CN105411467B - Seat device - Google Patents

Seat device Download PDF

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Publication number
CN105411467B
CN105411467B CN201510471350.0A CN201510471350A CN105411467B CN 105411467 B CN105411467 B CN 105411467B CN 201510471350 A CN201510471350 A CN 201510471350A CN 105411467 B CN105411467 B CN 105411467B
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China
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toilet seat
temperature
control unit
seat
detecting element
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CN105411467A (en
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吉永朋子
大西宏尚
关谷清
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Panasonic Intellectual Property Management Co Ltd
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Panasonic Intellectual Property Management Co Ltd
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Priority claimed from JP2014182962A external-priority patent/JP6347048B2/en
Priority claimed from JP2015022833A external-priority patent/JP6467626B2/en
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Publication of CN105411467A publication Critical patent/CN105411467A/en
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Abstract

The present invention provides seat device, it includes: the toilet seat heater (450) that toilet seat (400) is heated；Detect the 1st temperature detecting element (401) of the temperature of toilet seat (400)；Control the main control unit (601) of the energization of toilet seat heater (450)；And prevent the 1st excessively rising of the excessive temperature rise of toilet seat (400) from preventing control unit (602).Main control unit (601) and the 1st excessively rising prevent control unit (602) from sharing the temperature detection information of the 1st temperature detecting element (401) to control the energization to toilet seat heater (450).The highly-safe seat device for preventing the excessive temperature rise of toilet seat (400) is provided as a result,.

Description

Seat device
Technical field
The present invention relates to the safety devices of the excessive temperature rise for the toilet seat for preventing seat device.
Background technique
In the past, the toilet seat of this seat device had heat generating body unit, thermistor and thermostat as basic structure.Hair Hot body unit is disposed in the back side in the face of taking a seat, and linear heating element is arranged to serpentine shape on aluminium foil.Thermistor is as temperature Degree detecting element functions, for detecting the temperature in face of taking a seat.Thermostat is the safety as the excessive temperature rise for preventing toilet seat Device and be arranged.
Specifically, heat generating body unit the user after taking a seat body dominant touch in thermal region, according to logical Linear heater is arranged in normal spacing sinuously.Also, it is provided in for thermal region for temperature controlled thermistor.
On the other hand, it near the outside portion at toilet seat rear, is formed with than threadiness has been arranged more to high-density for thermal region The close quarters portion of heater.The thermostat of restoration type is provided in close quarters portion as safety device.Also, accelerate permanent The temperature of the temperature-responsive speed of warm device, face of taking a seat when abnormal excessively rises before becoming dangerous state, and cutting is linear The power-on circuit of heater.Such as No. 4775275 bulletins of Japanese Patent Publication No. are disclosed for ensuring for excessively rising as a result, The seat device (hereinafter referred to as patent document 1) of the structure of safety.
Hereinafter, being illustrated using structure of the Figure 15 to the existing seat device recorded in patent document 1.
Figure 15 is the top view of the heat generating body unit of existing seat device.
As shown in figure 15, the heat generating body unit 1 of existing seat device in the substantially similar shape in face of taking a seat with toilet seat 2 It opens between aluminium foil 2, linear heating element 3 is equipped with serpentine shape.At this point, heat generating body unit 1 centered on both sides compared with Wide scope form with common spacing be equipped with linear heating element 3 for thermal region 4.On the other hand, after for thermal region 4 The outside portion of side, forms the close quarters portion 5 for being equipped with linear heating element 3 to high-density.
In addition, another example as another safety device, such as No. 5610922 bulletins of Japanese Patent Publication No. disclose following knot The heat supply seat device (hereinafter referred to as patent document 2) of structure.
There is the heat supply seat device of patent document 2 temperature, which excessively to rise sensor and temperature and excessively rise, prevents circuit from making For safety device.Temperature excessively rises sensor and is made of dedicated positive temperature coefficient thermis, for detecting the temperature of toilet seat It rises abnormal.Temperature, which excessively rises, prevents circuit to be configured to excessively rise the detection signal of sensor according to temperature, stops to fever The energization of body.Thus, it is ensured that the safety of heat supply seat device.
But the seat device of patent document 1 uses thermostat as the temperature detection for the excessive temperature rise for preventing toilet seat member Part.At this point, the thermal capacitance due to thermostat is bigger, in temperature of the rate of rise in temperature than the face of taking a seat of toilet seat of thermostat It rises slow.Therefore, it is necessary to form the close quarters portion 5 of linear heating element 3 in heat generating body unit 1, increase calorific value to improve perseverance The rate of rise in temperature of warm device.For the structure, under common use state, the surface temperature ratio in close quarters portion 5 Other are high for the surface temperature of thermal region 4.Therefore, if the body of user connects during using heat supply seat device The close quarters portion 5 for contacting linear heating element 3, may feel that discomfort sometimes.
In addition, it is different from the surface temperature of actual toilet seat by the temperature that close quarters portion 5 is detected, close to linear heating element 3 surface temperature.It therefore, is not sufficiently to enable as the structure of the surface temperature for detecting and preventing toilet seat excessively risen The satisfied structure of people.Therefore, from the aspect of the temperature detecting precision of safety device, room for improvement is still had.
In addition, the seat device of patent document 2 is to detect the knot that abnormal temperature rises using 1 positive temperature coefficient thermis Structure.Therefore, it when the heating for carrying out the energization of high capacity in the heater and steeply rising the temperature of toilet seat is heated and is heating When carrying out the energization of low capacity in device and the temperature of toilet seat being remained the heat preservation of steady temperature, the surface temperature and Zheng Te of toilet seat Property thermistor detection temperature temperature difference it is different.
That is, in the state of steeply rising the temperature of toilet seat, the surface temperature of toilet seat and the inspection of positive temperature coefficient thermis The temperature difference of testing temperature is larger.In contrast, when the temperature of toilet seat is remained steady temperature, the surface temperature of toilet seat with just The detection temperature of performance thermistor is roughly equal temperature.Therefore, the response speed detected in positive temperature coefficient thermis Difference is generated in degree.
That is, the detection accuracy of temperature generates difference according to the heated condition of heater.Especially when heating up heating, just The difference of the detection temperature of the temperature and positive temperature coefficient thermis of seat increases.Therefore, toilet seat becomes abnormal high temperature sometimes.That is, with Patent document 1 is same, from the aspect of the temperature detecting precision of safety device, still has room for improvement.
Summary of the invention
Seat device of the invention provides a kind of inspection in heating with temperature when any one when heat preservation Survey the seat device of all very excellent excessive rising preventing portion of precision.
That is, seat device of the invention includes: the main body on toilet seat is arranged in；It pivotally supports in a rotatable manner In the toilet seat of main body；The toilet seat heater for being built in toilet seat and toilet seat being heated；Detect the 1st temperature inspection of the temperature of toilet seat Survey element；Control the main control unit of the energization of toilet seat heater；It is made of from main control unit different circuits, prevents the mistake of toilet seat The 1st of degree heating, which excessively rises, prevents control unit；Detect the 3rd temperature detecting element of toilet seat temperature；And the 3rd excessively rise it is anti- Only control unit prevents the excessive temperature rise of toilet seat according to the detection information of the 3rd temperature detecting element.Also, main control unit and 1 excessively rises and prevents control unit from sharing the 1st temperature detecting element, and main control unit is according to the detection signal of the 1st temperature detecting element Toilet seat is controlled as defined temperature, the 1st excessively rises and prevent control unit from being carried out according to the detection signal of the 1st temperature detecting element Prevent the control excessively risen.1st temperature detecting element is made of the slow low-response temperature detecting element of response speed, the 3rd temperature Degree detecting element is made of the high response temperature detecting element of fast response time, the threshold value of the excessive temperature rise for determining toilet seat, 3rd, which is excessively risen, which prevents the threshold value of control unit to be set to rise more excessive than the 1st, prevents the threshold value of control unit high.
According to this structure, by toilet seat heater, the 1st temperature detection that is used for the fast response time of common power control Element excessively rises for the 1st prevents control unit.Thereby, it is possible to detect that abnormal temperature rises in the stage earlier, and upper The low stage cutting of temperature is risen to be powered.As a result, it is possible to improve the safety and reliability of seat device.
Moreover, common power control can be executed using 1 temperature detecting element and excessively rise the temperature of preventing portion Detection.Thereby, it is possible to realize the simplification of toilet seat structure and cost effective.As a result, it is possible to provide safety and can at low cost The seat device of safety device being improved by property, with high measurement accuracy.
Detailed description of the invention
Fig. 1 is the solid for showing the appearance for the state being set to the seat device in embodiment of the present invention on toilet seat Figure.
Fig. 2 is the perspective view for showing the appearance of the toilet seat in the embodiment.
Fig. 3 is the exploded perspective view of the toilet seat in the embodiment.
Fig. 4 is to be mounted with the state after toilet seat heater on the top toilet seat shell for show toilet seat in this embodiment Bottom view.
Fig. 5 is the bottom view of the toilet seat heater in the embodiment.
Fig. 6 is the bottom view for showing the details of part A shown in Fig. 4.
Fig. 7 is the cross-sectional view along 7-7 line shown in fig. 6.
Fig. 8 is the perspective view for showing the appearance of standing finish.
Fig. 9 A is the top view for showing the state for being normally mounted with standing finish.
Fig. 9 B is the top view for showing the state for being mounted with standing finish informally.
Figure 10 A is the cross-sectional view for showing the installation process of standing finish.
Figure 10 B is the cross-sectional view for being installed state for showing standing finish.
Figure 11 is the block diagram for showing the structure of control system of the seat device in the embodiment.
Figure 12 is the temperature change of the powered-on mode for showing the toilet seat heater in the embodiment and each section of toilet seat Curve graph.
Figure 13 is the curve graph for showing the temperature change of the excessive propradation generated in the embodiment in heating.
Figure 14 is the curve graph for showing the temperature change of the excessive propradation generated in the embodiment in heat preservation.
Figure 15 is the top view of the heat generating body unit of existing seat device.
Specific embodiment
Hereinafter, being explained with reference to embodiments of the present invention.It should be noted that the present invention is not by the embodiment party The restriction of formula.
(embodiment)
<1>structure of seat device
Hereinafter, being illustrated using structure of the Fig. 1 to the seat device in embodiment of the present invention.
Fig. 1 is the solid for showing the appearance for the state being set to the seat device in embodiment of the present invention on toilet seat Figure.In addition in the following description, as shown in Figure 1, the setting side of the main body of seat device is made as the setting side of rear, toilet seat For front, from rear towards front when right side as right, left side as left, the configuration of each component is said It is bright.
The seat device 100 of present embodiment is made of main body 200, toilet cover 300, toilet seat 400 and remote controler 500 etc..Separately Outside, main body 200, toilet cover 300, toilet seat 400 are integrally formed, and are set to the upper surface of toilet seat 110.
Toilet cover 300 and toilet seat 400 are pivotally supported in a manner of it can be opened and closed via electronic toilet seat toilet cover rotating mechanism And it is installed on main body 200.In addition, as shown in Figure 1, toilet cover 300 is in the state of opening toilet cover 300 to be located at seat device 100 The mode of rearmost part erect.On the other hand, in the case where being closed toilet cover 300, toilet cover 300 covers the upper surface of toilet seat 400 With a part of main body 200, inside is stashed.
Moreover, toilet seat 400 is built-in with toilet seat heater 450 (referring to Fig. 3).Toilet seat heater 450 is heated, so that just The face 411 of taking a seat of seat 400 is as comfortable temperature.
In addition, detection switch of taking a seat (not shown) is configured at the bearing portions of the rotation axis of bearing toilet seat 400, to being seated at The human body of toilet seat 400 is detected.Detection switch of taking a seat for example detects user and is seated at the change of weight caused by toilet seat 400 Change, is opened and closed switch.Thus detection user is just being landed in the situation on toilet seat 400.
In addition, as shown in Figure 1, the side of main body 200 has protruding portion 210.Protruding portion 210 has in upper surface by multiple The operation portion 211 that Operation switch 212 is constituted.
Remote controler 500 has multiple Operation switches 501 and human body detection sensor 502.Operation switch 501 carries out toilet seat dress Set the operation and setting of 100 each function.Human body detection sensor 502 detects the user for entering toilet.It is distant Control device 500 is provided in the place such as wall surface for being seated at the user of toilet seat 400 is operable to toilet.Also, it is distant The operation signal of control device 500 is for example wirelessly transmitted to main body 200.
Also, cleaning part (not shown), drying device (not shown), deodorization device are internally provided with (not in main body 200 Diagram), toilet seat toilet cover rotating mechanism (not shown) and control unit 600 (referring to Fig.1 1) etc..Cleaning part to user part into Row cleaning.The part after cleaning is dried in drying device.Deodorization device eliminates the foul smell in toilet seat 110.Toilet seat toilet cover Rotating mechanism rotates above-mentioned toilet cover 300 and toilet seat 400 in a manner of electronic.Each portion of the control seat device 100 of control unit 600 Point.
Specifically, cleaning part is made of cleaning solution supplying mechanism and spray nozzle device.Cleaning solution supplying mechanism is handed over using heat Parallel operation heats the cleaning solution supplied from running water tube, and the warm water after heating is supplied to spray nozzle device.Nozzle dress It sets towards the part of user and sprays the warm water being supplied to, to clean the part of user.
In addition, spray nozzle device is integrally assembled with washer jet, driving portion (not shown) and flow control valve (not shown) Deng.Washer jet has the nozzle for women of the huckle cleaning spray nozzle part for cleaning buttocks and the part for cleaning women Portion.Driving portion makes washer jet in the reception position that is accommodated in main body 200 and carries out cleaning action from main body is outstanding It is moved forward and backward between cleaning positions.Flow control valve is switched to defined washer jet to supply the heat from cleaning solution supplying mechanism The cleaning solution of exchanger supply.
In addition, the ejiction opening of drying device is configured at the front surface lower part of main body 200, the drying device is before ejiction opening Side has the drying air door of opening and closing freely.When not using drying device, dry air door closure, to prevent cleaning solution etc. from immersing To the inside of drying device.Also, dry air door is configured to be sprayed in driving (use) of drying device from drying device Wind pressure open.In addition, the detailed construction of drying device can be described below.
Control unit 600 in main body 200 is according to the Operation switch 212 of Operation switch 501, main body 200 from remote controler 500 With the signal of detection switch of taking a seat transmission (not shown), the movement of each section of seat device 100 is controlled.
Here, the seat device 100 of present embodiment is set are as follows: in the case where user is not present in toilet, is stopped Only to the energization of toilet seat heater 450 (referring to Fig. 3), or the face 411 of taking a seat of toilet seat 400 is made to be maintained at 20 DEG C or so low Temperature.Also, when user enters toilet, the signal from human body detection sensor 502 is received, to toilet seat heater 450 It is powered.At this point, toilet seat heater 450 is made of the heater of the very high output of 800W or so.As a result, from user Into toilet until being seated at toilet seat 400, in a period of 6 seconds to 10 seconds or so, toilet seat heater 450 is by toilet seat 400 Face 411 of taking a seat be heated to 40 DEG C or so of preference temperature.Also, after toilet seat 400 has reached preference temperature, toilet seat will be added The energization of hot device 450 is adjusted downward to the low wattage of such as 50W or so, and the face 411 of taking a seat of toilet seat 400 is maintained at preference temperature. Then, when being come out out of toilet as user, back to the state for stopping being powered to toilet seat heater 450 or make The face 411 of taking a seat of toilet seat 400 is maintained at the state of 20 DEG C or so of low temperature.The seat device 100 of present embodiment can as a result, Power consumption when substantially cutting down in toilet without user.
In addition, in the seat device 100 of present embodiment, wiper mechanism, drying device, deodorization device and toilet seat toilet cover Rotating mechanism is not constituent element necessary to seat device.Therefore, naturally it is also possible to be the structure for not having above-mentioned constituent element Seat device.
<2>structure of toilet seat
Hereinafter, being illustrated using structure of the Fig. 2 to Fig. 4 to the toilet seat of the seat device in present embodiment.
Fig. 2 is the perspective view for showing the appearance of the toilet seat in the embodiment.Fig. 3 is point of the toilet seat in the embodiment Solve perspective view.Fig. 4 is to be mounted with the shape after toilet seat heater on the top toilet seat shell for show toilet seat in this embodiment The bottom view of state.
Hereinafter, using the front side observed by the user after taking a seat as the front of toilet seat 400, by the use after taking a seat The rear side that person observes is illustrated as the rear portion of toilet seat 400.
Firstly, as shown in Figures 2 and 3, the toilet seat 400 of present embodiment is with top toilet seat shell 410, lower part toilet seat shell 420 and toilet seat heater 450 etc. are constituted for main composition part.Top toilet seat shell 410 is mainly by the metal materials shape such as aluminium At being depicted as having a substantially elliptical shape the ring-type of (comprising elliptical shape).Lower part toilet seat shell 420 is for example by ABS, PP (polypropylene) Equal synthetic resin are formed, and the ring-type (comprising elliptical shape) is depicted as having a substantially elliptical shape.Toilet seat heater 450 is shaped generally as Horseshoe-shape (including horseshoe-shape), is arranged to be pasted onto the back side of top toilet seat shell 410 (with lower part toilet seat shell 420 Opposite inner surface).
Specifically, top toilet seat shell 410 is to carry out punch process etc. by the aluminium sheet to thickness about 1mm to form Type.Also, being formed on the surface of aluminium sheet and the back side has insulating properties and heat resistance, such as polyester powder coated film.That is, logical The coated film using the polyester powder for being not likely to produce pin hole is crossed, the insulation performance relative to aluminium sheet is improved, improves reliability And safety.Top toilet seat shell 410 is constituted as a result,.
In addition, top toilet seat shell 410 includes the cricoid face 411 of taking a seat of generally elliptical shape (comprising elliptical shape)； And rear defence portion 412, it is continuously formed with the rear portion in the face of taking a seat 411, and erected upward from the face of taking a seat 411.At this point, Face 411 take a seat with the peripheral side inclined surface higher than inner circumferential side, inclined surface is formed by curved surface convex upward.
In addition, the rear defence portion 412 of top toilet seat shell 410 is connected with the face of taking a seat 411 by continuous concave curved surface, top For inclined surface.The upper limb 412a in rear defence portion 412 is arranged to close to horizontal big curve.The width in rear defence portion 412 Degree is the size roughly the same with the transverse width in the face of taking a seat 411 (comprising identical size).
In addition, the user that the limitation of rear defence portion 412 is seated at the face of taking a seat 411 moves towards the rear.Prevent as a result, using The contact of the body of person and main body 200, to inhibit to contact bring discomfort.
In addition, as shown in figure 3, the inner peripheral 415 of top toilet seat shell 410 and outer peripheral edge 416 are bent and shape towards interior side At.Also, as shown in figure 4, the top toilet seat shell 410 for bending setting inward inner peripheral 415 and outer peripheral edge 416 it is more A position is formed with the connecting hole 418 for being engaged to top toilet seat shell 410 and lower part toilet seat shell 420.
In addition, as shown in figure 4, toilet seat heater 450 is configured to cut off the substantially horseshoe-shape (packet of a part of front Containing horseshoe-shape).Toilet seat heater 450 is such as by with adhesive as main component acrylic resin, and be stuck fixation In in the substantially entire surface at the back side (inner surface side opposite with lower part toilet seat shell 420) of top toilet seat shell 410.
Also, it in the both sides surface of toilet seat heater 450 (surface side opposite with lower part toilet seat shell 420), is provided with For detecting the 1st thermistor 401, the 2nd thermistor 402 and the 3rd thermistor of the temperature in the face 411 of taking a seat of toilet seat 400 403.In addition, it is the 2nd temperature detection member that the 1st thermistor 401, which is the example of the 1st temperature detecting element, the 2nd thermistor 402, The example of part, the 3rd thermistor 403 are the examples of the 3rd temperature detecting element.
In addition, the peripheral part in top toilet seat shell 410 is connected with ground wire 473, to ensure the safety to electric leakage etc..This When, the 1st thermistor 401 and the 2nd thermistor 402 are by characteristic having the same and low sound that thermal time constant is about 5 seconds Temperature detecting element is answered to constitute, wherein thermal time constant defines response speed when being set to metal covering.On the other hand, the 3rd Thermistor 403 by thermal time constant is about 2 seconds, the high response temperature detecting element of fast response time is constituted.In addition, below The details of the mounting structure of above-mentioned each thermistor can be described.
Here, in the present embodiment, to have all the 1st temperature detecting element, the 2nd temperature detecting element and the 3rd temperature It is illustrated for the seat device of degree detecting element, but substantially can certainly be that only there is the 1st temperature detecting element Structure, the structure only with the 1st temperature detecting element and the 2nd temperature detecting element.Also, it can also be and examined with the 1st temperature Survey the structure of any one and the 3rd temperature detecting element in element and the 2nd temperature detecting element.Thereby, it is possible to utilize letter The structure of change obtains identical effect.
In addition, as shown in figure 3, lower part toilet seat shell 420 is made of main part 421 and arm 422, by for example using The molded product of the resin materials such as ABS, PP is formed.Main part 421 has roughly the same with top toilet seat shell 410 when looking down Shape (including same shape).Arm 422 is obliquely provided projectingly at the two sides rear of main part 421.
The inner peripheral 425 of toilet seat shell 420 and outer peripheral edge 426, connecting hole with top toilet seat shell 410 in lower part At 418 corresponding positions, integrally formed multiple engagement pawls 428 out.
Also, the card of the engagement pawl 428 by the connecting hole 418 and lower part toilet seat shell 420 of top toilet seat shell 410 Close, by top toilet seat shell 410 and lower part toilet seat shell 420 in conjunction with and it is integrated.At this point, in top toilet seat shell 410 under The inside of portion's toilet seat shell 420 forms cavity portion (not shown).In addition, top toilet seat shell 410 and lower part toilet seat shell 420 Engaging portion is for example constructed using sealing element of rubber system (not shown) etc. equipped with watertight.Water etc. is prevented to be immersed in main body 200 as a result, It is interior.
In addition, though the example that top toilet seat shell 410 is formed using aluminium sheet is illustrated above, however do not limit In this.For example, that molded product of the plates such as copper or stainless steel or magnesium alloy etc. also can be used is thermally conductive good for top toilet seat shell 410 Good metal material or resin material.
Although in addition, hereinbefore, as surface treatment, to form polyester powder on the aluminium sheet of top toilet seat shell 410 It is illustrated for the mode of the coated film at end, but not limited to this.For example, it is also possible to by other chemical treatments or make It is surface-treated with other coatings of the coating of acrylic compounds or polyurethanes etc., identical effect can be obtained.
<3>structure of toilet seat heater
Hereinafter, being illustrated using structure of the Fig. 5 to the toilet seat heater of the seat device in present embodiment.
Fig. 5 is the bottom view of the toilet seat heater in the embodiment.
As shown in figure 5, the toilet seat heater 450 of present embodiment is configured to cut off a part of front as described above Substantially horseshoe-shape (including horseshoe-shape).Toilet seat heater 450 is substantially in 2 be made of aluminium the aluminium as metal foil Linear heater 460 is arranged to serpentine shape between piece 451 and is constituted.
Portion of terminal 452, the starting point of linear heater 460 and terminal are provided at the rear right 451d of aluminium flake 451 The connection (not shown) of the starting ends in portion 452.The linear heater 460 extended from the starting ends of portion of terminal 452 exists first It mainly controls to match sinuously in the right area 451a of aluminium flake 451 shown in fig. 5 and be set near right front ends portion 451e.With being set to the right side Linear heater 460 near the 451e of front end is arranged to from right front ends portion 451e, mainly along the inner circumferential of aluminium flake 451, warp By the rear portion and left side of aluminium flake 451, near the left front end 451f for the left area 451b for reaching aluminium flake.Then, linear to add Hot device 460 is near left front end 451f, and main edge left and right is sinuously with after being set in the left area 451b of aluminium flake 451 On the left of portion near 451g.In turn, linear heater 460 is near rear left 451g, in the Background Region 451c of aluminium flake 451 Middle left and right is matched sinuously to be set near rear right 451d.Also, the end of linear heater 460 and the end of portion of terminal 452 Portion's connection.Linear heater 460 is disposed on aluminium flake 451 continuously to terminal part from the starting ends of portion of terminal 452 as a result,.
The right area 451a, left area 451b and Background Region 451c of linear heater 460 has been arranged at this point, wriggling Form the heating range 456 of taking a seat that comfortable heating effect can be obtained in the state that user is seated at toilet seat 400.It falls Seat heating range 456 is constituted are as follows: linear heater 460 is arranged with approximate spacing, it can in the state of after user takes a seat Obtain roughly the same warming.
In addition, as shown in figure 5, portion of terminal 452 is at least connect with two electrical leads 470,471, detection conducting wire 472.Electricity Power conducting wire 470,471 is supplied electric power to toilet seat heater 450.Detection conducting wire 472 detect linear heater 460 and aluminium flake 451 it Between electric leakage.That is, electrical lead 470 is connect with the starting ends of portion of terminal 452, the end of electrical lead 471 and portion of terminal 452 Portion's connection.On the other hand, detection conducting wire 472 is connect with aluminium flake 451.
Also, in the midway of electrical lead 471, it is connected with the temperature of one of excessive rising preventing portion for constituting toilet seat 400 Fuse 454.Temperature fuse 454 is arranged on the substantial middle of the Background Region 451c of toilet seat heater 450 (in including Centre) position at.In addition, can be described below to the detailed functions of temperature fuse 454.
The mounting structure of 4 > thermistor of <
Hereinafter, illustrating the installation of the thermistor of the seat device in embodiment of the present invention referring to Fig. 4, Fig. 6 to Figure 10 B Construction.
Fig. 4 is to be mounted with the state after toilet seat heater on the top toilet seat shell for show toilet seat in this embodiment Bottom view.Fig. 6 is the bottom view for showing the detailed installation situation of the 1st thermistor shown in the part A of Fig. 4.Fig. 7 is Along the cross-sectional view of 7-7 line shown in fig. 6.Fig. 8 is the perspective view for showing the appearance of standing finish.Fig. 9 A is to show normally to install The top view of the state of standing finish.Fig. 9 B is the top view for showing the state for being mounted with standing finish informally.Figure 10 A It is the cross-sectional view for showing the installation process of standing finish.Figure 10 B is the cross-sectional view for being installed state for showing standing finish.
Firstly, the 1st thermistor 401 and the 2nd thermistor 402 are set as being illustrated above using Fig. 4 At the substantially symmetrical position (including symmetrical position) of the side surfaces of the aluminium flake 451 of toilet seat heater 450, Wherein, which has been secured at the back side of top toilet seat shell 410.In addition, as described above, the 1st thermistor 401 and the 2nd thermistor 402 is made of low-response temperature detecting element.At this point, the 1st thermistor 401 and the 2nd thermistor Between 402 linear heaters 460 be arranged with being configured in substantially parallel (comprising parallel) shown in fig. 5, toilet seat heater 450 Space position at.As a result, the 1st thermistor 401 and the 2nd thermistor 402 be configured to not with linear 460 weight of heater It closes.As a result, heat that will not directly by the linear heater 460 of high temperature, can accurately detect the temperature in the face of taking a seat 411 Degree.
In addition, the 3rd thermistor 403 being made of high response temperature detecting element is in the front of the 1st thermistor 401, It is set to the surface of aluminium flake 451.At this point, 3rd thermistor 403 same as the 1st thermistor 401 and the 2nd thermistor 402 It is configured at the position in the space between linear heater 460 be arranged substantially in parallel, toilet seat heater 450.As a result, 3 thermistors 403 are configured to not be overlapped with linear heater 460.
Firstly, illustrating the mounting structure of thermistor referring to figure 6 and figure 7, in addition hereinafter, mainly to be examined by low-response temperature It is illustrated for 1st thermistor 401 that survey element is constituted, as the 1st temperature detecting element.
As shown in Figure 6 and Figure 7, at least temperature-sensitive portion 401a of the 1st thermistor 401 is on the single side of aluminium flake 451, to be applied It is covered with the mode that the bonding part 404 of adhesive covers, is pasted and fixed at defined position.Also, in bonding part 404 On, the thermal insulator 407 of polyethylene foamed is laminated in a manner of covering bonding part 404.
Also, standing finish 405 is configured in thermal insulator 407.
Also, standing finish 405 is fixed on to the outer peripheral edge 416 of top toilet seat shell 410 using screw 408.As a result, 1 thermistor 401 is fixed the pressing of accessory 405 across thermal insulator 407 and fixes.
In addition, the 2nd thermistor 402 also at symmetrical position, is mounted in the same manner as the 1st thermistor 401. In addition, about the 3rd thermistor 403, although the shape of standing finish is different, be also with the 1st thermistor 401 and the 2nd The identical structure of thermistor 402 is installed.
Here, illustrate standing finish 405 using Fig. 8.
As shown in figure 8, standing finish 405 is by flexible generally rectangular (comprising rectangle) of thickness 0.2mm Stainless steel plate both ends bending, and be shaped generally as the shape of U-shaped (comprising U-shaped).The bending part of one side forms It is fixed on the fixed part 405a of the outer peripheral edge 416 of top toilet seat shell 410.In the center of fixed part 405a, form for leading to Cross the screw fastening part 405b with through hole that screw 408 is fixed.Also, it at the both ends of fixed part 405a, is formed To cut out two retainers formed in a manner of standing, one of them is retainer 405c1, the other is retainer 405c2.
Then, using Fig. 9 A to Figure 10 B, the installation method of thermistor is described in detail.
As shown in Figure 9 A, a retainer 405c1 of standing finish 405 is abutted into top toilet seat shell 410 first Outer peripheral edge 416.Then, by the screw fastening part 405b of standing finish 405, top toilet seat shell is fixed to screw 408 410.Thereby, it is possible to arrive the setting of standing finish 405 at regular position.On the other hand, make standing finish 405 another In the case that retainer 405c2 has abutted to top toilet seat shell 410, as shown in Figure 9 B, the installation site of standing finish 405 compared with Deviate to big degree.As a result, it is possible to standing finish 405 is reliably configured to regular relative to top toilet seat shell 410 At position.
In addition, in the outer peripheral edge for the opposite side that the standing finish 405 of same shape is fixed to top toilet seat shell 410 In the case where 416, abut another retainer 405c2 of opposite side and the outer peripheral edge 416 of top toilet seat shell 410.As a result, Standing finish 405 can be installed at regular position.
That is, being able to use the standing finish 405 of 1 shape, thermistor is installed at two positions of different shapes.
In addition, being formed with engaging portion 405d on the bending part of another party of standing finish 405.Engaging portion 405d passes through card Surely the inner surface for arriving the inner peripheral 415 of top toilet seat shell 410, is fixed standing finish 405.In addition, about engaging portion End is formed as curved surface by making terminal part to back bending song by 405d.
Then, as shown in Figure 10 A, standing finish 405 is in the state of floating engaging portion 405d, with screw 408 to solid The screw fastening part 405b for determining portion 405a is fixed.Then, as shown in the arrow C of Figure 10 A, by court near engaging portion 405d It is pressed into the inner peripheral 415 of top toilet seat shell 410.As a result, as shown in Figure 10 B, the engaging portion 405d of standing finish 405 is by card Determine onto the inner surface of the inner peripheral 415 of top toilet seat shell 410.
As described above, the 1st thermistor 401 and the 2nd thermistor 402 are mounted to top just by standing finish 405 On seat shell body 410.
On the other hand, as shown in figure 4, having installed and used for the 3rd thermistor 403 is different from standing finish 405 another Dedicated standing finish 406.At this point, the structure of the dedicated standing finish 406 for installing the 3rd thermistor 403 is reducing admittedly On this point of determining the width dimensions of accessory 405 is different, and other parts are formed as identical shape.In addition, the width of standing finish 405 Degree size refers to the length between bending part.That is, the periphery of the top toilet seat shell 410 of the installed position of the 3rd thermistor 403 Distance of the edge 416 at the position at a distance from inner peripheral 415 than installing the 1st thermistor 401 is short.Therefore, dedicated standing finish 406 width is formed as smaller than the width of standing finish 405.
In addition, as shown in fig. 7, covering the 1st thermistor 401 temperature-sensitive portion 401a bonding part 404 directly contact every Warmware 407 and be pressed fixation.Therefore, using the heat insulating function of thermal insulator 407, the heat of toilet seat heater 450 is inhibited to be passed To standing finish 405.Thereby, it is possible to the temperature-sensitive portions that the heat by toilet seat heater 450 is efficiently transmitted to the 1st thermistor 401 401a.The delay that as a result, it is possible to prevent the temperature of the temperature-sensitive portion 401a of the 1st thermistor 401 from rising.
In addition, thermal insulator 407 is formed by above-mentioned soft material etc..Therefore, be able to suppress the abutting due to thermal insulator 407 and The damage of the aluminium flake 451 of caused, bonding part 404 and toilet seat heater 450.In addition, the 2nd thermistor 402 and the 3rd temperature-sensitive Although explanation is omitted in resistance 403, also there are function and effect same as described above.
That is, the seat device of present embodiment is by bonding part 404, thermal insulator 407, standing finish 405 and dedicated solid Determine accessory 406, the 1st thermistor 401, the 2nd thermistor 402 and the 3rd thermistor 403 are fixed to toilet seat heater 450 Surface.Even if as a result, for example in the case where the installation condition realized by bonding part 404 is insufficient, also can by every Warmware 407, standing finish 405 and dedicated standing finish 406, secure pressed fixes each thermistor for a long time.As a result, energy It is enough reliably prevented because caused by passing through malfunction and time, each thermistor falls off.
<5>structure of the control system of seat device
Hereinafter, the structure of the control system of the seat device in 1 pair of embodiment of the present invention is illustrated referring to Fig.1.
Figure 11 is the block diagram for showing the structure of control system of the seat device in the embodiment.
As shown in figure 11, the toilet seat 400 of the seat device 100 of present embodiment be internally provided with toilet seat heater 450, 1st thermistor 401 and the 2nd thermistor 402, the 3rd thermistor 403, temperature fuse 454 etc..Toilet seat heater 450 is right Toilet seat 400 is heated.As described above, the 1st thermistor 401 and the 2nd thermistor 402 are for example by low-response temperature detection member Part is constituted, and is detected to the temperature of toilet seat 400.Equally, as described above, the 3rd thermistor 403 is for example by height response temperature inspection It surveys element to constitute, the temperature of toilet seat 400 is detected.It is anti-that temperature fuse 454 constitutes the excessively rising of will be described below the 4th Stop, for preventing the excessive temperature rise of toilet seat 400.
In addition, main body 200 has control unit 600, heater-driven portion 610 and Dump portion 620 etc. in inside.
Control unit 600 include have microcomputer main control unit the 601, the 1st excessively rise preventing portion (the 1st excessively on Rising prevents control unit 602), the 2nd excessively rise preventing portion (the 2nd excessively rise prevent control unit 603), the 3rd excessively rise and prevent Portion's (the 3rd excessively rising prevents control unit 604) etc..Main control unit 601 is according to the operation portion from remote controler 500 and main body 200 The temperature detection signal of 211 operation signal and the 1st thermistor 401 controls toilet seat via heater-driven portion 610 and adds The powered-on capacity of hot device 450.Specifically, heater-driven portion 610 is constituted using three terminal bidirectional switch as main composition part, And according to the control signal of main control unit 601, toilet seat heater 450 is driven.
Control unit 602 is prevented to constitute in addition, the 1st excessive rising preventing portion is excessively risen by the 1st, according to as low-response temperature The temperature detection signal of the 1st thermistor 401 of detecting element is spent, carry out toilet seat 400 excessively rises the control prevented.2nd Excessively rise preventing portion prevents control unit 603 to constitute by the 2nd excessively rising, according to the 2nd as low-response temperature detecting element The temperature detection signal of thermistor 402 carries out the control that the excessive temperature rise of toilet seat 400 prevents.3rd excessively rise preventing portion by 3rd excessively rising prevents control unit 604 to constitute, according to the temperature of the 3rd thermistor 403 as high response temperature detecting element Signal is detected, the control that the excessive temperature rise of toilet seat 400 prevents is carried out.
Also, Dump portion 620 is constituted using relay as main composition part, anti-according to excessively rising from the 1st Only control unit the 602, the 2nd, which excessively rises, prevents control unit the 603, the 3rd from excessively rising the control signal for preventing control unit 604, cutting The power supply of seat device 100.
In addition, the seat device 100 of present embodiment is additionally provided with above-mentioned temperature also at the rear portion of toilet seat heater 450 Fuse 454 is spent, excessively rises preventing portion as the 4th.As a result, the 1st excessively rise preventing portion, the 2nd excessively rise preventing portion, 3rd excessive rise in preventing portion generates unfavorable condition, thus in the case where having risen to predetermined temperature or more, temperature fuse 454 fusing, thus energization of the cutting to toilet seat heater 450.
That is, the seat device 100 of present embodiment has the excessive rising preventing portion in 4 stages.
Hereinafter, to the specific 1st excessively rise preventing portion, the 2nd excessively rise preventing portion, the 3rd excessively rise preventing portion and 4th movement for excessively rising preventing portion is illustrated.
Firstly, main control unit 601 receives the temperature detection signal of the 1st thermistor 401.Then, by miniature computer Calculate the human testing of the operation signal and setting signal, remote controler 500 that send from remote controler 500 and the operation portion of main body 200 211 The data such as sensor 502 and the detection signal for detection switch of taking a seat of main body 200.Main control unit 601 is by toilet seat 400 as a result, Temperature control is predetermined temperature.At this point, the maximum temperature for the toilet seat 400 that main control unit 601 controls is set as such as 43 DEG C.
Here, the 1st excessively rising prevents the excessively rising of control unit the 602, the 2nd from preventing excessive rise of control unit the 603, the 3rd from preventing Only control unit 604 from the different circuits that main control unit 601 separates by constituting.Also, the 1st excessively rises and prevents control unit 602, the 2 excessively risings prevent the excessively rising of control unit the 603, the 3rd from control unit 604 being prevented to be made of respectively independent different circuits.According to The structure, main control unit the 601, the 1st, which excessively rises, prevents the excessively rising of control unit the 602, the 2nd from preventing control unit 603 and the 3rd excessively Rising prevents control unit to be configured to not influenced by other control functions respectively, individually functions the mistake for preventing toilet seat 400 Degree heating.
That is, the 1st excessively rising prevents control unit 602 from connecting with the 1st thermistor 401.Also, according to the 1st thermistor 401 temperature detection information, driving power cutting portion 620 are cut off the power.At this point, the 1st excessively rising prevents control unit 602 will Determine that the threshold value of excessive propradation sets for such as 45 DEG C.According to the setting, on the surface in the face 411 of taking a seat of toilet seat 400 At the time of temperature has risen to about 45 DEG C, cut off the power.
In addition, the 2nd excessively rising prevents control unit 603 from connecting with the 2nd thermistor 402.Also, according to the 2nd temperature-sensitive electricity The temperature detection information of resistance 402, driving power cutting portion 620 are cut off the power.At this point, the 2nd excessively rising prevents control unit 603 The threshold value for determining excessive propradation is set for such as 46 DEG C.Table according to the setting, in the face 411 of taking a seat of toilet seat 400 At the time of face temperature has risen to about 46 DEG C, cut off the power.
Control unit 602 is prevented in addition, the 2nd excessively being risen, the threshold value of control unit 603 being prevented to be set to rise more excessive than the 1st The high reason of threshold value be, it is contemplated that the temperature characterisitic deviation of the 1st thermistor 401 and the 2nd thermistor 402.
By using above structure, the temperature control function realized by the 1st thermistor 401 and main control unit 601, with And excessively rises the prevent control unit 602 from realizing the 1st by the 1st thermistor the 401 and the 1st and excessively rise the normal situation of preventing portion Under, such as the 1st, which is excessively risen, prevents control unit 602 and the 2nd excessively rising from preventing the threshold value of control unit 603 from setting in order to identical When temperature, due to the characteristic deviation of the 2nd thermistor 402, sometimes results in excessively to be risen by the 2nd thermistor the 402 and the 2nd and prevent The 2nd excessively rising preventing portion rising preventing portion excessively than the 1st that only control unit 603 is realized first works.Therefore, by the 2nd excessively on Rising, which prevents the threshold value of control unit 603 to be set to rise more excessive than the 1st, prevents the threshold value of control unit 602 high.Thereby, it is possible to prevent 2, which excessively rise preventing portion, excessively rises the case where preventing portion first works than the 1st.As a result, it is possible to prevent from unexpectedly cutting off to place In the malfunction of the energization of the seat device 100 of normal condition.
In addition, the 3rd excessively rising prevents control unit 604 from connecting with the 3rd thermistor 403.Also, according to the 3rd temperature-sensitive electricity The temperature detection information of resistance 403, driving power cutting portion 620 are cut off the power.At this point, the 3rd excessively rising prevents control unit 604 The threshold value for determining excessive propradation is set for such as 55 DEG C.According to the setting, in temperature-rise period sharply, due to The detection temperature of 3 thermistors 403 and the temperature in face of taking a seat generate difference, therefore the surface temperature in the face 411 of taking a seat of toilet seat 400 Degree is cut off the power at the time of having risen to about 55 DEG C.At the moment, the inspection of the 1st thermistor 401 and the 2nd thermistor 402 Testing temperature does not rise to 45 DEG C.Therefore, the 1st excessively rising preventing portion and the 2nd excessively rising preventing portion does not work.
According to above structure, such as even if generating exception in main control unit 601, without suitably carrying out toilet seat heater 450 Power control, thus toilet seat 400 constant temperature rise in the case where, also can by the 1st excessively rise prevent control unit 602 cut off the power.Thereby, it is possible to prevent toilet seat 400 from reaching 45 DEG C or more as given threshold.
Moreover, even if can also pass through the 2nd mistake in the case where the 1st excessively rising prevents control unit 602 from producing exception Degree, which rises, prevents control unit 603 from cutting off the power.Thereby, it is possible to prevent toilet seat 400 from reaching 46 DEG C or more as given threshold.
In addition, why be arranged the 1st thermistor the 401 and the 1st excessively rise prevent control unit 602, the 2nd thermistor and 2nd excessively rising prevents control unit 603, is to cope with the guarantor after the surface temperature in the face of taking a seat 411 has reached set temperature Wen Shi, because it is using that Figure 14 illustrates, rise than more gentle temperature caused by excessive propradation.Therefore, the 1st thermistor 401 and the 2nd thermistor 402 is made of low-response temperature detecting element.
On the other hand, the 3rd excessively rising of thermistor the 403 and the 3rd, which why is arranged, prevents control unit 604, is in order to anti- Excessive rising when only just having detected into steep temperature rise after the human body of toilet, toilet seat 400.That is, adding in toilet seat It in the state that hot device 450 is for example powered with 800W, is coped with, to prevent excessive rising when temperature rising sharply State.Therefore, the 3rd thermistor 403 is made of to cope with temperature rising sharply height response temperature detecting element.
That is, by the 3rd thermistor 403 detection toilet seat 400 of fireballing high response temperature detecting element in response Take a seat face 411 dramatic temperature rise.Thereby, it is possible to the surface temperature in the face 411 of taking a seat of toilet seat 400 rise to high temperature it Before, cutting is powered.As a result, it is possible to will test, delay is caused, temperature rising of sharply prevents trouble before it happens.
The powered-on mode and temperature change of 6 > toilet seat heater of <
Hereinafter, the powered-on mode and temperature change of the toilet seat heater in 2 pairs of embodiment of the present invention are said referring to Fig.1 It is bright.
Figure 12 is the temperature change of the powered-on mode for showing the toilet seat heater in the embodiment and each section of toilet seat Curve graph.In addition, Figure 12 shows powered-on mode when seat device 100 is controlled with normal state.
As shown in figure 12, the seat device 100 of present embodiment make drive toilet seat heater 450 powered-on mode for example by It is controlled according to this 3 patterns of change of 800W, 400W and 30W.
1st powered-on mode is following mode: human body detection sensor 502 detect disengaging toilet human body it Afterwards, main control unit 601 makes toilet seat 400 in a short time with temperature gradient heating sharply at once.In this case, according to main control The control signal in portion 601, heater-driven portion 610 are driven by electricity toilet seat heater 450 (below by the driving with about 800W's State is referred to as " 800W driving ").
2nd powered-on mode is following mode: being driven by above-mentioned 800W, the temperature of toilet seat 400 is rising to regulation Temperature after, to drive slightly gentle temperature gradient to rise than 800W.At this point, heater-driven portion 610 is switched to about The electric power of 400W drives toilet seat heater 450 (below by the driving condition be referred to as " 400W driving ").
3rd powered-on mode is following mode: in the case where the temperature of toilet seat 400 is remained constant, heater is driven Dynamic portion 610 is for example driven by electricity toilet seat heater 450 (driving condition is referred to as " low to be driven by electricity " below) with 30W.Separately Outside, low to be driven by electricity the power supply for being not limited to above-mentioned 30W, refer to using sufficiently low compared with 800W driving and 400W driving Electric power (such as electric power in the range of 15W~150W) drives toilet seat heater 450.
In addition, 800W driving, 400W driving and the low switching being driven by electricity are the control signals according to main control unit 601, Phase controlling is carried out to the energization in toilet seat heater 450 by heater-driven portion 610 and is carried out.
Here, the solid line shown in the upper section of Figure 12 indicates the surface temperature in the face 411 of taking a seat of toilet seat 400.Chain-dotted line indicates The surface temperature of the aluminium flake 451 of the toilet seat heater 450 of mounting portion as each thermistor.Dotted line indicates the 1st thermistor The detection temperature of 401 and the 2nd thermistor 402.Dotted line indicates the detection temperature of the 3rd thermistor 403.Also, under Figure 12 Solid line shown in section indicates the powered-on capacity of driving toilet seat heater 450.Also, above-mentioned each surface is shown with same time shaft The time change of temperature and powered-on capacity.
In addition, the seat device 100 of present embodiment is constituted are as follows: user can be in the range of such as 32 DEG C~38 DEG C Set the surface temperature (temperature is referred to as " set temperature " below) in the face 411 of taking a seat of toilet seat 400.
In addition, room temperatures are in 18 DEG C of situations below, when seat device 100 is in standby, by toilet seat 400 in winter etc. Take a seat face 411 surface temperature setting in order to maintain 18 DEG C (below by the temperature be referred to as " standby temperature ").
Therefore, it is first assumed that by standby temperature be set as 18 DEG C, user by set temperature set for 38 DEG C the case where.And And it will be described below under the above conditions, the temperature history of the toilet seat 400 of the driving based on toilet seat heater 450.
Firstly, the main control unit 601 of control unit 600 by human body detection sensor 502 detect user entrance to When machine, heater-driven portion 610 is driven, (about 15W) is driven by electricity using low and drives toilet seat heater 450.It as a result, will just The surface temperature control in the face 411 of taking a seat of seat 400 is to be fixed on 18 DEG C.At this point, the temperature about toilet seat 400 controls, according to work Temperature detection information for the 1st thermistor 401 of the 1st temperature detecting element is controlled.
Then, main control unit 601 at T1, keeps heater-driven portion 610 sharp at the time of the entrance for detecting user Toilet seat heater 450 is driven with 800W driving.Then, it is preset 1st heating during (such as 6 seconds (moment T1 to when Carve T2)), continue the 800W driving of toilet seat heater 450.800W driving substantially utilizes meter possessed by main control unit 601 Shi Gongneng is performed by time control.During implementing 800W driving, each section of toilet seat 400 is with most precipitous temperature Gradient is spent to rise.
Also, the surface temperature in the face 411 of taking a seat that the 800W driving of toilet seat heater 450 is performed until toilet seat 400 reaches To predetermined temperature (about 30 DEG C).In addition, predetermined temperature can not be the temperature for sufficiently having risen to set temperature, and can compare Its is low.As long as that is, will not feel ice-cold such uncomfortable minimum critical-temperature when user is seated at the face 411 of taking a seat (temperature is referred to as " creeping chill critical-temperature " below).Here, it is tested according to the testee that inventor is implemented, creeping chill Critical-temperature is about 29 DEG C.Therefore, in the present embodiment, creeping chill critical-temperature is set for 30 DEG C.
Then, at the time of 800W drives completion at T2, the surface temperature in the face 411 of taking a seat of toilet seat 400 rises to creeping chill More than critical-temperature about 30 DEG C.Therefore, at moment T2, user can be seated at toilet seat 400, without may feel that just Seat 400 is ice-cold.
At this point, during moment T1 to moment T2, as shown in figure 12, the surface temperature of the aluminium flake 451 of toilet seat heater 450 Degree rises to about 60 DEG C.In addition, the detection temperature of the 1st thermistor 401 and the 2nd thermistor 402 rises to about 24 DEG C. Also, the detection temperature of the 3rd thermistor 403 rises to about 40 DEG C.
Then, main control unit 601 at T2, starts the 400W driving of toilet seat heater 450 at the time of 800W, which drives, to be terminated. Also, T3 at the time of surface temperature of the main control unit 601 in the face 411 of taking a seat of toilet seat 400 reaches set temperature (such as 38 DEG C) Before, continue 400W driving.During this period, the surface temperature in the face 411 of taking a seat of toilet seat 400 is according to gentle when driving than 800W Temperature gradient rises.In addition, the 400W driving of toilet seat heater 450 is performed until the surface temperature in the face 411 of taking a seat of toilet seat 400 Degree reaches toilet seat set temperature (38 DEG C).
Then, at moment T3, when the detection temperature of the 1st thermistor 401 reaches set temperature (38 DEG C), stop 400W driving, is switched to next driving.
In general, generating is more than to set when steeply rising the surface temperature in face 411 of taking a seat of toilet seat 400 to set temperature Determine the overshoot of temperature.But in the present embodiment, the surface temperature in the face 411 of taking a seat of toilet seat 400 has reached lower than setting When creeping chill critical-temperature (30 DEG C) of temperature, terminate the 800W driving of toilet seat heater 450.Also, powered-on capacity is cut later It is changed to 400W driving, drives toilet seat heater 450.Thereby, it is possible to inhibit the surface temperature in the face 411 of taking a seat of toilet seat 400 from setting Determine temperature overshot.As a result, it is possible to prevent user from feeling when taking a seat, toilet seat 400 is hot.
Then, at the time of 400W, which drives, to be terminated at T3, the low electric power for starting toilet seat heater 450 drives main control unit 601 It is dynamic.Then, main control unit 601 control at: so that the surface temperature in the face 411 of taking a seat of toilet seat 400 is fixed on toilet seat set temperature (38℃).The state is the normal use state for the temperature of toilet seat 400.Therefore, user can be seated at toilet seat Use is carried out cosily in 400 face 411 of taking a seat.
Then, although being not shown in Figure 12, when terminating defecation in user, and being left from toilet seat 400, by taking a seat Switch detection user's disseats.Detecting that main control unit 601 is stopped after specified time limit (such as 1 minute) when disseating The only driving of toilet seat heater 450.The surface temperature in the face 411 of taking a seat of toilet seat 400 reduces as a result,.
In turn, at the time of the surface temperature of toilet seat 400 has reached 18 DEG C, main control unit 601 starts again at toilet seat heating The low of device 450 is driven by electricity.Then, main control unit 601 remains low and is driven by electricity, so that the surface temperature of toilet seat 400 is fixed on 18℃。
In addition, hereinbefore, for assuming that user is seated at the powered-on mode for the case where toilet seat 400 is used It is illustrated.
But in man's urine and cleaning etc., even if entering and leaving toilet, toilet seat 400 will not be used sometimes with taking a seat.
For example, erecting toilet seat 400 to carry out defecation in the case where man's urine.At this point, being set to toilet seat 400 The erected state of the toilet seat angle detection detection toilet seat 400 of rotation section.Also, it is receiving from toilet seat angle detection When detecting signal, main control unit 601 stops the heating driving of toilet seat heater 450.The control of main control unit 601 is at making as a result, The temperature of toilet seat 400 is restored to standby temperature.
In addition, the holding of toilet seat 400 was fallen state but in the case where do not take a seat when cleaning etc., main control unit 601 is from connecing T1 rises after specified time limit (such as 1 minute) at the time of having received human testing signal, stops to the logical of toilet seat heater 450 Electricity.Then, the control of main control unit 601 is at being restored to standby temperature.
As described above, even if in the case where chamber entrant is not seated at toilet seat 400, it also can be by the excessive liter of toilet seat 400 Temperature prevents trouble before it happens.
7 > of < excessively rises the control of preventing portion
Hereinafter, control of the 3 and Figure 14 to the excessive rising preventing portion of the toilet seat heater in embodiment of the present invention referring to Fig.1 System is illustrated.
Figure 13 is the curve graph for showing the temperature change of the excessive propradation generated in the embodiment in heating.
Figure 14 is the curve graph for showing the temperature change of the excessive propradation generated in the embodiment in heat preservation.
As shown in figure 13, in the case that failure has occurred in main control unit 601 when 800W drives, it have passed through defined energization Time (such as 6 seconds) afterwards at the time of T2 after, also continue 800W driving.At this point, even if the 1st thermistor 401 and the 2nd thermistor 402 detect creeping chill critical-temperature, since failure has occurred in main control unit 601, also do not stop to toilet seat heater 450 The energization of 800W driving.Therefore, the temperature of toilet seat 400 steeply rises, and rises to the set temperature (38 DEG C) of toilet seat 400 or more.
In this state, the detection constant temperature of the 3rd thermistor 403 rises.Also, rises in detection temperature, and reach At the time of having arrived 55 DEG C as the threshold value of the 3rd thermistor 403 at T4, the 3rd excessively rising prevents control unit 604 to be determined as Spend propradation.Then, the 3rd excessively rising prevents control unit 604 from directly driving Dump portion 620 shown in Figure 11 to cut off Power supply.In moment T4, as shown in figure 13, the surface temperature in the face 411 of taking a seat of toilet seat 400 is about 45 DEG C.Therefore, it can incite somebody to action User burnt equivalent damage the case where prevent trouble before it happens.
On the other hand, as shown in figure 14, when based on the heat preservation of the low toilet seat 400 being driven by electricity, main control unit 601 occurs In the case where failure, from T5 at the time of failure occurs, the detection temperature of the 1st thermistor 401 rises.Also, it is detecting Temperature rises, and T6 locates at the time of reached 45 DEG C as the threshold value of the 1st thermistor 401, and the 1st excessive rising prevents from controlling Portion 602 is determined as excessive propradation.Then, the 1st excessively rising prevents control unit 602 from directly driving Dump portion 620 It cuts off the power.In moment T6, the surface temperature in the face 411 of taking a seat of toilet seat 400 is 45 DEG C.Therefore, can by user by Burn equivalent damage the case where prevent trouble before it happens.
In addition, when heat preservation shown in Figure 14 based on the low toilet seat 400 being driven by electricity, such as in the 1st thermistor 401 Installation condition when generating abnormal, cannot suitably carry out temperature control.In this case, when the 2nd thermistor 402 detects conduct At 46 DEG C of threshold temperature, the 2nd excessively rises and prevents control unit 603 from directly driving Dump portion 620 to cut off the power.At this Moment, the surface temperature in the face 411 of taking a seat of toilet seat 400 are 46 DEG C.Therefore, user can be burnt equivalent damage the case where It prevents trouble before it happens.
In general, being considered as will receive the temperature of the somatic damage because caused by burning in direct skin contact metal covering As described below.
Specifically, being 10 minutes or more in the case where metal covering is 48 DEG C, in the case that metal covering is 51 DEG C being 1 point It is more than clock, metal covering be 55 DEG C in the case where be 10 seconds or more, in the case that metal covering is 65 DEG C be 1 second or more.Therefore, make In the seat device of the direct skin contact of user, it is believed that preferably under abnormality, surface temperature is also maintained at 48 DEG C or less.
Therefore, the toilet seat 400 in the seat device 100 of present embodiment also described above, passes through under abnormality Multiple excessive rising preventing portion, maintain 46 DEG C or less for the surface temperature of toilet seat 400.Therefore, even if the skin of user is straight Contact 46 DEG C of states toilet seat 400, still had until burning 10 minutes or more it is temporal have more than needed.That is, can It substantially ensures from user and feels the hot time to the movement for recess toilet seat 400.It can be abundant as a result, it is possible to constitute Inhibit user by the highly-safe seat device 100 burnt.
Also, the seat device 100 of present embodiment is also provided with other than above-mentioned excessive rising preventing portion as 4 excessively rise the temperature fuse 454 of preventing portion.454 main purpose of temperature fuse is to prevent the exception of seat device 100 The caused unfavorable condition for security of heating.Excessively rise the excessively rising preventing portion, the 3rd mistake of preventing portion, the 2nd the 1st as a result, Degree, which rises in preventing portion, generates unfavorable condition, to be set in the case where having risen to predetermined temperature or more for such as 72 DEG C temperature fuse 454 fuse, thus energization of the cutting to toilet seat heater 450.The different of seat device 100 is prevented as a result, The often caused safety hazard state of fever.
That is, the seat device 100 of present embodiment has the excessive rising preventing portion in 4 stages.
As described above, the temperature detecting element that the seat device 100 of present embodiment has following response speed different, As the excessive temperature detecting element for rising preventing portion, it may be assumed that 401 He of the 1st thermistor as low-response temperature detecting element 2nd thermistor 402, the 3rd thermistor 403 that temperature detecting element is responded as height.As a result, with different powered-on capacities In the powered-on mode for driving toilet seat heater 450, the excessive rising shape generated in each powered-on mode can be properly prevented State.As a result, it is possible to improve the safety and reliability of seat device 100.
In addition, the seat device 100 of present embodiment, which has excessively to rise based on the 1st thermistor the 401 and the 1st, to be prevented from controlling The 1st of portion 602 processed, which is excessively risen preventing portion and excessively risen based on the 2nd thermistor the 402 and the 2nd, prevents control unit 603 2nd excessively rises preventing portion.Also, excessively rises preventing portion the 1st and the 2nd excessive rise in preventing portion sets different threshold values Temperature.As a result, for the excessive propradation that is generated under keeping warm mode, though the 1st excessively rise preventing portion and the 2nd excessively on Unfavorable condition has occurred in any one risen in preventing portion, can also prevent using the normal preventing portion that excessively rises as spare Only excessively rise.
Also, the seat device 100 of present embodiment excessively rises the 2nd prevents the threshold value of control unit 603 to be set to compare 1st excessively rises the threshold value height for preventing control unit 602.Even if in the characteristic of the component parts such as thermistor, there are deviations as a result, Deng in the case where, it can also prevent the 2nd excessively to rise preventing portion rising preventing portion excessively than the 1st and first work.That is, can be prevented 1, which excessively rises preventing portion and the 2nd, excessively rises the pro-jobs sequence entanglement of preventing portion.Furthermore it is possible to prevent from unexpectedly cutting off Malfunction to the energization of the seat device 100 in normal condition.As a result, preventing the excessive rising of toilet seat heater 450 Generation excessive rising preventing portion reliability and stability improve.
In addition, common power control and excessively rising of the seat device 100 of present embodiment in toilet seat heater 450 Same thermistor is shared in the temperature detection both sides of preventing portion, carries out the control of toilet seat heater 450.Therefore, can it is low at It is local to increase the setting quantity for excessively rising preventing portion.Thereby, it is possible to further increase the safety of seat device 100 and reliable Property.
In addition, the seat device 100 of present embodiment is constituted using different circuits carries out the usual of toilet seat heater 450 Power control main control unit 601 and control excessively rise the excessive rising of preventing portion and prevent control unit, and for multiple heat Quick resistance is respectively set dedicated excessive rising and prevents control unit and constitute.Thereby, it is possible to further increase excessively to rise to prevent The safety and reliability in portion.
In addition, the seat device 100 of present embodiment is using the small thermistor of thermal capacitance as temperature detecting element.Cause This, does not need to be formed the close quarters portion that linear heating element has been arranged to high-density, which is previous using heat Necessary structure in the case where holding big thermostat as temperature detecting element.That is, can be arranged with common density Thermistor is set in the heat supply regional scope of linear heater.Thereby, it is possible to realize the simplification of toilet seat heater and low cost Change.Further, it is possible to inhibit due to caused by setting close quarters portion, a part in the face of taking a seat of toilet seat becomes the feelings of high temperature Condition.As a result, it is possible to take a seat, face is integrally heated to be comfortable temperature.
In addition, the seat device 100 of present embodiment excessively rises the excessively rising preventing portion, the 3rd of preventing portion, the 2nd the 1st Excessively rise in preventing portion and lead to the problem of, to keep temperature fuse 454 molten in the case where having risen to predetermined temperature or more It is disconnected, thus energization of the cutting to toilet seat heater 450.Thereby, it is possible to by safety caused by the abnormal heating of seat device 100 On precarious position prevent trouble before it happens.
In addition, in the present embodiment, being illustrated by taking the structure of lower component as an example by having: being examined by low-response temperature Survey the 1st thermistor 401, the 2nd thermistor 402 that element is constituted；Control them the 1st excessively rises preventing portion and the 2nd mistake Degree rises preventing portion；The 3rd thermistor 403 being made of high response temperature detecting element；And the 3rd thermistor 403 of control The 3rd excessively rise preventing portion, but not limited to this.For example, it can be only have the 1st thermistor 401, the 2nd temperature-sensitive electricity Resistance the 402 and the 1st excessively rises preventing portion (the 1st excessively rising prevents control unit 602) and the 2nd and excessively rises preventing portion (the 2nd mistake Degree rise prevent control unit 603) structure.In this case, even if the 1st excessively rises preventing portion and the 2nd excessive rising preventing portion In any one unfavorable condition has occurred, can also be prevented on excessively using the normal preventing portion that excessively rises as spare It rises.
In addition, in the present embodiment, being said using the example for having used thermistor as each temperature detecting element Bright, but not limited to this.For example, it is also possible to use other temperature detecting elements such as silver temperature detecting resistance body or thermocouple.In addition, In this case, it is preferable to use the detection accuracy height of temperature and the temperature detecting element of fast response time.It is identical thus, it is possible to obtain Effect.
In addition, in the present embodiment, to constitute the 1st temperature detecting element and the 2nd by low-response temperature detecting element The example of temperature detecting element is illustrated, and but not limited to this.For example, it is also possible in the same manner as the 3rd temperature detecting element 1st temperature detecting element and the 2nd temperature detecting element are constituted by height response temperature detecting element.Thereby, it is possible to accelerate control speed Degree, the temperature detected sharply rise and are controlled.
As discussed above, seat device of the invention includes: the main body on toilet seat is arranged in；Certainly with rotation Mode such as is pivotally supported at the toilet seat of main body；The toilet seat heater for being built in toilet seat and toilet seat being heated；Detection is just 1st temperature detecting element of the temperature of seat；Control the main control unit of the energization of toilet seat heater；And prevent the excessive liter of toilet seat The 1st of temperature, which excessively rises, prevents control unit.And it is possible to constitute are as follows: main control unit and the 1st excessively rising prevent control unit from sharing The temperature detection information of 1st temperature detecting element controls the energization to toilet seat heater.
According to this structure, the common power control and mistake of toilet seat heater can be executed using 1 temperature detecting element Degree rises the temperature detection of preventing portion.Thereby, it is possible to realize the simplification of the structure of toilet seat and cost effective.Also, with difference In the powered-on mode of big powered-on capacity driving toilet seat heater, it is reliably prevented from the mistake generated in each powered-on mode Spend propradation.The safety and reliability of seat device improves as a result,.
In addition, seat device of the invention also includes the 3rd temperature detecting element of the temperature of detection toilet seat；And according to The detection information of 3rd temperature detecting element, preventing the 3rd of the excessive temperature rise of toilet seat excessively to rise prevents control unit.The inspection of 1st temperature Survey element be made of the slow low-response temperature detecting element of response speed, the 3rd temperature detecting element by fast response time Gao Xiang Temperature detecting element is answered to constitute.Also, the threshold value for the excessive temperature rise for determining toilet seat, the 3rd can excessively be risen prevents from controlling The threshold value in portion processed, which is set to excessively rise than the 1st, prevents the threshold value of control unit high.
According to this structure, the 3rd excessively rising for excessively rising preventing portion as the 3rd prevents control unit according in power control Used in fast response time the temperature information that detects of the 3rd temperature detecting element, control toilet seat heater.Even if as a result, The surface temperature of toilet seat sharp rises, and can also rise the low stage in temperature, is immediately detected and cuts off and heats to toilet seat The energization of device.As a result, it is possible to further increase safety and reliability.
In addition it is also possible to be, seat device of the invention also include detect toilet seat temperature the 2nd temperature detecting element, Excessively rising with the 2nd of the excessive temperature rise for preventing toilet seat the prevents control unit, and the 2nd excessively rising prevents control unit from using the 2nd temperature The temperature detection information of detecting element controls the energization to toilet seat heater.Even if as a result, in the 1st temperature detecting element and the 1st Excessively rise in the case where preventing control unit from producing exception, also can excessively be risen using the 2nd temperature detecting element and the 2nd anti- Only control unit is as spare.As a result, the safety and reliability of seat device further increases.
In addition it is also possible to be, seat device of the invention is constituted using the slow low-response temperature detecting element of response speed 2nd temperature detecting element, the 2nd of the excessive temperature rise for determining toilet seat the, which is excessively risen, prevents the threshold value of control unit to be set as and the 1st Excessively rise the value for preventing the threshold value of control unit different.
According to this structure, can excessively be risen using the 1st with different threshold values prevent control unit and the 2nd excessive rise from preventing Only control unit is mutually done spare for generated excessive propradation.Further, it is possible to utilize the characteristic deviation of component parts Deng preventing the entanglement of pro-jobs sequence.As a result, it is possible to be more reliably prevented from the excessive temperature rise of toilet seat heater.
In addition, the heat supply of taking a seat of toilet seat heater can be arranged in the 1st temperature detecting element by seat device of the invention In range.
According to this structure, it does not need to be formed in toilet seat heater and linear heater is arranged to special shape and is formed Region, such as close quarters portion.Thereby, it is possible to simplify the structure of toilet seat heater.As a result, it is possible to realize toilet seat heater Simplification and cost effective.
In addition, seat device of the invention 1st temperature detecting element and the 2nd temperature detecting element can be arranged in toilet seat The substantially symmetrical of heater is taken a seat in heating range.
It according to this structure, also can be by wherein even if under the use state for being only seated at the exception such as unilateral side of toilet seat One temperature detecting element, the abnormal temperature for detecting toilet seat rise.Thereby, it is possible to the detection letters according to a temperature detecting element More accurately cutting is powered breath.As a result, can also ensure that the safety of seat device even if being directed to use different from usual And reliability.

Claims (5)

1. a kind of seat device, it includes:
Main body is arranged on toilet seat；
Toilet seat is pivotally supported at the main body in a rotatable manner；
Toilet seat heater is built in the toilet seat, heats to the toilet seat；
1st temperature detecting element detects the temperature of the toilet seat；
Main control unit controls the energization of the toilet seat heater；
1st excessively rising prevents control unit, is made of from the main control unit different circuits, prevents the excessive of the toilet seat Heating；
3rd temperature detecting element detects the temperature of the toilet seat；And
3rd excessively rising prevents control unit, according to the detection information of the 3rd temperature detecting element, prevents the toilet seat Excessive temperature rise,
The main control unit and the described 1st excessively rising prevent control unit from sharing the 1st temperature detecting element,
The main control unit controls the toilet seat for defined temperature according to the detection signal of the 1st temperature detecting element, Described 1st excessively rises and to prevent control unit from being prevented from excessively rising according to the detection signal of the 1st temperature detecting element Control,
1st temperature detecting element is made of the slow low-response temperature detecting element of response speed,
3rd temperature detecting element is made of the high response temperature detecting element of fast response time,
For determining the threshold value of the excessive temperature rise of the toilet seat, the described 3rd, which is excessively risen, prevents the threshold value of control unit to be set to Excessively rising than the described 1st prevents the threshold value of control unit high.
2. seat device according to claim 1, wherein
The seat device also includes: detecting the 2nd temperature detecting element of the temperature of the toilet seat；And prevent the toilet seat The 2nd of excessive temperature rise, which excessively rises, prevents control unit,
Described 2nd excessively rising prevents control unit using the temperature detection information of the 2nd temperature detecting element to control to institute State the energization of toilet seat heater.
3. seat device according to claim 2, wherein
2nd temperature detecting element is made of the slow low-response temperature detecting element of response speed,
Described 2nd excessive rise prevents the threshold value of the excessive temperature rise of the judgement toilet seat of control unit to be set to the 1st excessively Rise the value for preventing the threshold value of control unit different.
4. seat device according to claim 1, wherein
1st temperature detecting element is arranged on the taking a seat in heating range of the toilet seat heater.
5. seat device according to claim 2, wherein
1st temperature detecting element and the 2nd temperature detecting element are arranged on the substantially left and right of the toilet seat heater Symmetrically take a seat in heating range.
CN201510471350.0A 2014-09-09 2015-08-04 Seat device Active CN105411467B (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2014-182962 2014-09-09
JP2014182962A JP6347048B2 (en) 2014-09-09 2014-09-09 Toilet seat device
JP2015022833A JP6467626B2 (en) 2015-02-09 2015-02-09 Toilet seat device
JP2015-022833 2015-02-09

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CN105411467B true CN105411467B (en) 2019-09-27

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Publication number Priority date Publication date Assignee Title
CN116491847B (en) * 2023-05-12 2023-10-03 广东白珊瑚塑胶科技有限公司 Dual-control preheating type toilet seat heating system based on remote sensing and infrared sensing

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CN102429608A (en) * 2005-04-28 2012-05-02 松下电器产业株式会社 Heated toilet seat and toilet device having the same mounted thereon
CN201519104U (en) * 2009-09-24 2010-07-07 松下家电研究开发（杭州）有限公司 Seat device
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