CN110345424A - Downlight with radiator structure - Google Patents
Downlight with radiator structure Download PDFInfo
- Publication number
- CN110345424A CN110345424A CN201810282327.0A CN201810282327A CN110345424A CN 110345424 A CN110345424 A CN 110345424A CN 201810282327 A CN201810282327 A CN 201810282327A CN 110345424 A CN110345424 A CN 110345424A
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- CN
- China
- Prior art keywords
- downlight
- radiator
- illuminating part
- driving mechanism
- radiator structure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
- F21S8/02—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/502—Cooling arrangements characterised by the adaptation for cooling of specific components
- F21V29/503—Cooling arrangements characterised by the adaptation for cooling of specific components of light sources
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V29/83—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks the elements having apertures, ducts or channels, e.g. heat radiation holes
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The present invention is suitable for technical field of lighting fixtures, provide a kind of downlight with radiator structure, including illuminating part, drive the driving mechanism of illuminating part, radiator, the heat transfer for generating illuminating part to radiator substrate, be used to cover the upper cover of radiator one end and the lower cover of the other end, the heat release hole for carrying out radiating treatment to driving mechanism is offered on upper lid.Compared with prior art, by the way that illuminating part and driving mechanism to be arranged in radiator, the heat of illuminating part and driving mechanism generation can be distributed the present invention by radiator；By the way that substrate is arranged, the heat that illuminating part generates can also be transferred to radiator by the substrate, then be distributed by radiator, the good heat dissipation effect of illuminating part；By the way that heat release hole is arranged on upper lid, the heat that driving mechanism generates can also be distributed by the heat release hole, the good heat dissipation effect of driving mechanism.Therefore, the downlight is good to the heat dissipation effect of illuminating part and driving mechanism, the long service life of downlight.
Description
Technical field
It is more specifically to be related to a kind of downlight with radiator structure that the present invention, which is suitable for technical field of lighting fixtures,.
Background technique
High-power lamps and lanterns at work, can all generate a large amount of heat, and it is excessively high and make that this will cause the temperature in lamps and lanterns
It obtains the solder joint at lamp cap to melt, so as to cause illuminating part failure.Therefore, temperature when lamps and lanterns work is reduced, lamp can be effectively extended
The service life of tool.
Lamps and lanterns are generally made of devices such as illuminating part, the driving mechanism for controlling illuminating part, shells.Lamps and lanterns shine
In the process, illuminating part, which shines, can generate certain heat, since the ballast in driving mechanism plays certain limit to illuminating part
Stream acts on and can generate the high pressure of moment, therefore ballast can also generate certain heat, illuminating part and driving machine at work
The heat that both structures issue largely is assembled, for downlight, since its inner space is smaller, and each component installation collection
In, heat can largely be assembled in the shell, will cause serious influence to lamps and lanterns.
At present the heat dissipation of lamps and lanterns is often only limitted to radiate to the illuminating part of lamps and lanterns, passes through what is be arranged on illuminating part
Radiator, the heat that illuminating part is generated are discharged, to reduce temperature when lamps and lanterns work, improve the service life of lamps and lanterns.So
And in place of this design Shortcomings: radiator is only capable of playing the illuminating part of lamps and lanterns certain heat spreading function, and cannot be to drive
Motivation structure radiates, if the heat that ballast generates cannot be discharged in time, after largely assembling, can still generate to lamps and lanterns
Larger impact.Therefore, current heat radiation structure design is still poor to the heat dissipation effect of lamps and lanterns.
Summary of the invention
The purpose of the present invention is to provide a kind of downlights with radiator structure, to solve lamps and lanterns existing in the prior art
Heat dissipation effect difference problem.
To achieve the above object, the technical solution adopted by the present invention is that: a kind of downlight with radiator structure is provided, including
Illuminating part, the driving mechanism for driving the illuminating part, the radiator for heat dissipation, the heat for generating the illuminating part
Amount is transferred to the substrate of the radiator, the upper cover for covering described radiator one end and another for covering the radiator
The lower cover at end, offers the heat release hole for carrying out radiating treatment to the driving mechanism on the upper lid, the illuminating part and
The driving mechanism is set in the radiator, and the substrate is supported and fixed on one end of the radiator by the lower cover.
Further, the downlight with radiator structure further includes at the light for issuing to the illuminating part
The lens of reason and the support plate for being used to support the lens, the lens are set in the support plate, and the support plate is set to institute
It states between substrate and the lower cover.
Further, the downlight with radiator structure further includes the sealing ring for sealing described radiator one end,
The sealing ring is set between the support plate and the substrate.
Further, the driving mechanism includes actuator for driving the illuminating part luminous, is used for and external electrical
The input terminal and output end for being connected with the illuminating part of source connection, the input terminal and the output end respectively with it is described
Actuator is electrically connected.
Further, the through-hole for stretching out the substrate for the output end is offered on the substrate, it is described with scattered
The downlight of heat structure further includes in the through-hole for filling the seal rubber in gap between the output end and the through-hole.
Further, the downlight with radiator structure further includes the tabletting for fixing the input terminal, the pressure
Piece is set on the upper lid.
Further, the radiator includes cylindrical main body and the heat dissipation fin set on the body peripheral edge, institute
It states illuminating part and the driving mechanism is set in the main body.
Further, the main body is integrally formed with the heat dissipation fin.
Further, the downlight with radiator structure further includes being used to support the bracket of the driving mechanism and being set to
The buffering spacer of described bracket one end, the branch are set up in the main body.
Further, the main body is equipped with card slot, and the position that the card slot is corresponded on the bracket is equipped with buckle, institute
It states main body and the bracket is clamped.
The beneficial effect of downlight provided by the invention with radiator structure is: compared with prior art, the present invention is logical
It crosses and illuminating part and driving mechanism is arranged in radiator, the heat of illuminating part and driving mechanism generation can be dissipated by radiator
It sends out；By the way that substrate is arranged, the heat that illuminating part generates can also be transferred to radiator by the substrate, then be dissipated by radiator
It sends out, the good heat dissipation effect of illuminating part；By the way that heat release hole is arranged on upper lid, the heat that driving mechanism generates can also pass through
The heat release hole distributes, the good heat dissipation effect of driving mechanism.Therefore, heat dissipation effect of the lamps and lanterns to illuminating part and driving mechanism
It is good, the long service life of lamps and lanterns.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only of the invention some
Embodiment for those of ordinary skill in the art without any creative labor, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is the structural schematic diagram of the downlight provided in an embodiment of the present invention with radiator structure；
Fig. 2 is the top view of the downlight provided in an embodiment of the present invention with radiator structure；
Fig. 3 is the bottom view of the downlight provided in an embodiment of the present invention with radiator structure；
Fig. 4 is the cross-sectional view one in the direction A-A in Fig. 2；
Fig. 5 is the cross-sectional view two in the direction A-A in Fig. 2；
Fig. 6 is the structural schematic diagram of radiator.
Wherein, each attached drawing main mark in figure:
11- actuator；12- input terminal；13- output end；14- bracket；141- buckle；15- buffering spacer；
2- radiator；21- main body；211- card slot；22- heat dissipation fin；221- triangle fork；
3- substrate；31- seal rubber；
4- upper cover；40- heat release hole；41- blind hole；42- screw；
5- lower cover；6- lens；7- support plate；
8- sealing ring；The first gasket seal of 81-；The second gasket seal of 82-；
9- tabletting.
Specific embodiment
In order to which technical problems, technical solutions and advantages to be solved are more clearly understood, tie below
Accompanying drawings and embodiments are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only
To explain the present invention, it is not intended to limit the present invention.
It should be noted that it can be directly another when element is referred to as " being fixed on " or " being set to " another element
On one element or indirectly on another element.When an element is known as " being connected to " another element, it can
To be directly to another element or be indirectly connected on another element.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is two or more,
Unless otherwise specifically defined.
In the description of the present invention, it is to be understood that, term " center ", " length ", " width ", " thickness ", "upper",
The orientation or position of the instructions such as "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside"
Relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention and simplification of the description, without referring to
Show or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot manage
Solution is limitation of the present invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
The interaction relationship of connection or two elements inside two elements.It for the ordinary skill in the art, can be with
The concrete meaning of above-mentioned term in the present invention is understood as the case may be.
Also referring to Fig. 1 to Fig. 6, now the downlight provided by the invention with radiator structure is illustrated.The downlight
Driving mechanism (attached drawing does not mark) including illuminating part (attached drawing is not drawn into) and for driving the illuminating part luminous, the driving mechanism
With illuminating part electrical communication.The downlight further includes for the radiator 2 of heat dissipation, the heat transfer for issuing illuminating part to dissipating
The substrate 3 of hot device 2, the upper cover 4 for covering 2 one end of radiator and the lower cover 5 for covering 2 other end of radiator, illuminating part
It is arranged at driving mechanism in the accommodating cavity of radiator 2.The lower end of radiator 2 is arranged in substrate 3, and fixed by lower cover 5
On radiator 2, substrate 3 is tightly attached to the bottom of radiator 2, and illuminating part can be close to substrate 3.It is offered in upper cover 4 multiple
Heat release hole 40, the heat in accommodating cavity for accommodating illuminating part and driving mechanism can be distributed by multiple heat release holes 40.
Upper cover 4 and lower cover 5 are fixed by screws on radiator 2.
Preferably, the degree of protection of above-mentioned driving mechanism be IP (Ingress Protection, shell protection) 65 and with
On, which meets GB7000.1-2015 shockproof requirements.
Above-mentioned driving mechanism and illuminating part are all made of waterproof connector electric connection.
Above-mentioned illuminating part is LED light.The downlight has the following conditions:
1, downlight light distribution is 45 ° of ± 10 ° of light distributions, and uniform in light emission is without hot spot；
2, when the single illuminating part of power 100W hangs over 2.5m eminence, average illumination within the scope of the diameter 3m of underface >=
600lx；Average illumination >=300lx when the single illuminating part of power 50W hangs over 2.5m eminence, within the scope of the diameter 3m of underface；
3, the colour temperature requirement of downlight: cool white light 5000K-6000K, warm white 2700K-3500K；
4, light efficiency :≤80% of downlight.
Aforesaid substrate 3 is made of aluminum material；Above-mentioned radiator 2 uses aluminium 6063, and is made up of phase-change heat technology.
Substrate 3 and radiator 2 are each made of aluminum, good heat dissipation effect.In other embodiments, substrate 3 and radiator 2 can also be by other
Material is made, and does not limit uniquely herein.
Downlight provided by the invention is cylindrical shape, and structure design is skilful small.The mounting means of downlight have ceiling type, derrick type,
Embedded three kinds, mounting means diversification is applicable to different use environments.
The ceiling type of downlight is installed: be provided with the support frame of Z-shaped in the upper cover 4 of downlight, one end of support frame with it is upper
Fixation is bolted by M6X20SUS304 between lid 4, the other end of support frame passes through M6X20SUS304 bolt and external branch
Support object is connected and fixed, to realize the ceiling type installation of downlight.
Derrick type, the installation by adhering of downlight: being provided in the upper cover 4 of downlight and protrude into blind hole 41 therein for sunpender,
Internal screw thread is offered on the side wall of blind hole 41, the one end for protruding into the sunpender of blind hole 41 is provided with external screw thread, and sunpender can be with blind hole
It realizes and is threadedly coupled between 41.The periphery of blind hole 41 is provided with aperture, screw 42 is provided in the aperture, it can be tight by sunpender
Gu that improves sunpender and downlight is connected and fixed ability, thus realize downlight derrick type or Embedded installation.
Compared with prior art, the downlight provided by the invention with radiator structure passes through illuminating part and driving mechanism is equal
It is arranged in radiator 2, the heat of illuminating part and driving mechanism generation can be distributed by radiator 2；By the way that substrate is arranged
3, the heat that illuminating part generates can also be transferred to radiator 2 by the substrate 3, then be distributed by radiator 2, illuminating part
Good heat dissipation effect；By the way that heat release hole 40 is arranged in upper cover 4, the heat that driving mechanism generates can also be dissipated by the heat release hole 40
It sends out, the good heat dissipation effect of driving mechanism.Therefore, the downlight is good to the heat dissipation effect of illuminating part and driving mechanism, downlight
Long service life.
Further, referring to Figure 4 together and Fig. 5, one kind as the downlight provided by the invention with radiator structure
Specific embodiment, the downlight further include lens 6 for being handled the light that illuminating part issues and are used to support lens 6
Support plate 7, lens 6 be set to support plate 7 on, support plate 7 be set between substrate 3 and lower cover 5.The lens 6 are preferably by high temperature resistant
Optics PC (Polycarbonate, polycarbonate) material plastic molding is made.This structure, in order to ensure the light distribution specification of downlight,
It needs to be assembled together illuminating part and lens 6 to form the module of an entirety.It is arranged by the illuminating part of different capacity and is corresponded to
Lens 6, the illuminating effect of downlight can be increased.
When the light distribution angle of downlight is 47 °, the downlight of different capacity is mounted on to the height of 2.5m, measurement is located at downlight
Average illumination on the ground of underface within the scope of diameter 3m, obtaining following data, (this experiment uses the LED of CREE XTE HE
Optical analog is carried out to analyze to obtain):
1, when the power of LED is 100W, the average illumination of cool white (light leads to 9600lm) list lamp is 795lx, and (light is logical for warm white
8400lm) average illumination of single lamp is 696lx；
2, when the power of LED is 50W, the average illumination of cool white (light leads to 4800lm) list lamp is 398lx, and (light is logical for warm white
4200lm) average illumination of single lamp is 348lx.
It is sealed between above-mentioned support plate 7 and substrate 3 using flat seal mode, compression ratio 20%.In other embodiments
In, lens 6 can also be made of other materials；It can also be sealed using other way between support plate 7 and substrate 3, herein not
Make unique limit.
Further, referring to Figure 4 together and Fig. 5, one kind as the downlight provided by the invention with radiator structure
Specific embodiment, the downlight further include the sealing ring 8 for 2 one end of sealed heat-dissipating device, the sealing ring 8 be set to support plate 7 with
Between substrate 3.Specifically, the quantity of the sealing ring 8 is two, including the first gasket seal 81 and the second gasket seal 82, the
One gasket seal 81 and the second gasket seal 82 are in circular ring shape, and the radius of the first gasket seal 81 is greater than the second gasket seal
82 radius.This structure, can be by the gap filling between support plate 7 and substrate 3, so that luminous for accommodating by sealing ring 8
Sealing performance between part and the accommodating cavity and outside of driving mechanism improves, and can avoid external dust or fog enters the cavity
In, it produces serious influence to the illuminating part and driving mechanism that are in the condition of high temperature, therefore the safety in utilization of downlight can be improved,
Extend the service life of downlight.By the first gasket seal 81 of setting and the second gasket seal 82, play the role of double-layer seal,
Sealing effect is further increased, the sealing effect of downlight is good.
Further, referring to Figure 4 together and Fig. 5, one kind as the downlight provided by the invention with radiator structure
Specific embodiment, driving mechanism includes actuator 11 for driving illuminating part luminous, defeated for what is be connected to external power supply
Enter end 12 and the output end 13 for being connected with illuminating part, input terminal 12 and output end 13 are electrically connected with actuator 11 respectively.
This structure, by input terminal 12 and output end 13 by external power supply and driving mechanism electrical communication, illuminating part can be worked normally simultaneously
It shines.External power supply is electrically connected through input terminal 12 and driving mechanism, is provided with ground terminal in driving mechanism, and the one of the ground terminal
End is arranged on lower cover 5, is connected to by setting ground terminal with the earth, the overtension inputted by external power supply is avoided, to downlight
Large effect is caused, and then improves the safety in utilization of downlight, extends the service life of downlight.
Further, please refer to fig. 5, a kind of specific reality as the downlight provided by the invention with radiator structure
Mode is applied, the through-hole (attached drawing does not mark) for stretching out the substrate 3 for output end 13 is offered on substrate 3, which further includes
For filling the seal rubber 31 in gap between output end 13 and the through-hole in the through-hole.Specifically, the seal rubber 31
It is interference fitted with substrate 3.On the one hand this structure, seal rubber 31 can protect output end 13, prevent the conducting wire and base of output end 13
The phenomenon that fretting wear is generated between plate 3；On the other hand, the gap between output end 13 and through-hole is filled out by seal rubber 31
It fills, so that the sealing performance between the cylindrical cavity and outside of main body 21 improves, can avoid external dust or fog enters
In the cavity, produce serious influence to the illuminating part and driving mechanism that are in the condition of high temperature.Therefore the use of downlight can be improved
Safety improves the service life of downlight.In other embodiments, seal rubber 31 can also otherwise with substrate 3
Connection, does not limit uniquely herein.
Further, referring to Figure 2 together, as a kind of specific reality of the downlight provided by the invention with radiator structure
Mode is applied, which further includes the tabletting 9 for fixing input terminal 12, and tabletting 9 is set in upper cover 4.This structure passes through tabletting 9
The conducting wire of input terminal 12 can be fixed in upper cover 4, so that the conducting wire being located in main body 21 is completely embedded, it is not in coiling etc.
Phenomenon improves the reliability being electrically connected between each components；Meanwhile being also convenient for the electrical property between input terminal 12 and external power supply
Connection improves the shock resistance of downlight phenomena such as will not generating the offset of input terminal 12, slide.In other embodiments, it presses
Piece 9 also can be set at other positions, not limit uniquely herein.
Further, also referring to Fig. 1, Fig. 4, Fig. 5 and Fig. 6, as the lamp provided by the invention with radiator structure
A kind of specific embodiment of tool, radiator 2 include cylindrical main body 21 and the heat dissipation fin 22 set on 21 periphery of main body,
Illuminating part and driving mechanism are set in main body 21.This structure, main body 21 can contain illuminating part and driving mechanism, so that lamps and lanterns
Volume design is small, occupies little space；Main body 21 is arranged cylindrical, it is possible to increase the contact surface with illuminating part and driving mechanism
The heat that product, illuminating part and driving mechanism issue when working can more be transferred to main body 21, and pass through the heat dissipation in main body 21
Fin 22 distributes, the good heat dissipation effect of illuminating part and driving mechanism.In other embodiments, radiator 2 may be it
Its configuration, does not limit uniquely herein.
Preferably, above-mentioned heat dissipation fin 22 is composed of multiple triangles fork 221, the handle end of each triangle fork 221 and master
Body 21 connects, and reserves a distance between each triangle fork 221 and the outer wall of main body 21, can increase the space of heat diffusion, from master
The heat that body 21 gives off passes through these buffer areas, and sufficient diffusion can be obtained.The tip of each triangle fork 221 is arranged outward,
And setting is spaced between each triangle fork 221.Heat continues under the heat spreading function of each triangle fork 221 after buffer area distributes
Diffusion, therefore, the heat of illuminating part and driving mechanism inside main body 21 obtain enough diffusions, and the heat dissipation effect of the downlight is aobvious
It writes.
Above-mentioned upper cover 4 is provided with multiple heat release holes 40 and the sealing cover for covering 21 upper end opening of main body, and (attached drawing is not
Draw), the seal gasket (attached drawing is not drawn into) for filling gap is additionally provided between sealing cover and main body 21, so that main body
Sealing performance between 21 cylindrical cavity and outside improves, and can avoid external dust or fog enters in the cavity, right
Illuminating part and driving mechanism in the condition of high temperature produce serious influence.Therefore the safety in utilization of downlight can be improved, improve
The service life of downlight.Each heat release hole 40 is set at the position directly above of corresponding triangle fork 221.This structure, can avoid because
Upper cover 4 shelters from triangle fork 221, and the diffusion for making heat is not in time, and heat is caused to be transferred in main body 21 again.Main body 21
Heat through each triangle pitch 221 radiating treatments, can through be located at triangle fork 221 right above heat release hole 40 distribute into air, increase
The big contact area of heat and outside air, the delivery rate of heat is fast, the good heat dissipation effect of main body 21, so that downlight dissipates
Thermal effect is good, can extend the service life of downlight.
Further, a kind of specific embodiment as the downlight provided by the invention with radiator structure, main body 21
It is integrally formed with heat dissipation fin 22.This structure, integrally formed radiator 2 reduce production process, improve and manufacture
Efficiency reduces production cost.In other embodiments, can also connect otherwise between main body 21 and heat dissipation fin 22
It connects, does not limit uniquely herein.
Further, referring to Figure 4 together and Fig. 5, one kind as the downlight provided by the invention with radiator structure
Specific embodiment, the downlight further include the bracket 14 for being used to support driving mechanism and the buffering spacer set on 14 one end of bracket
15, bracket 14 is set in main body 21.This structure is fixed driving mechanism support by bracket 14, so that the peace of driving mechanism
Dress securely, and then improves the shock resistance of downlight；Since driving mechanism itself has certain self weight, by bracket 14
One end be arranged buffering spacer 15, bracket 14 and substrate 3 are separated, the buffer function to driving mechanism is on the one hand played；It is another
Aspect avoids the Long Term Contact of bracket 14 and substrate 3 and fretting wear occurs, and then improves the usability of bracket 14 and substrate 3
Energy.Bracket 14 and buffering spacer 15 can also partially absorb the heat generated when illuminating part and the work of actuator 11 simultaneously, play one
Fixed heat dissipation effect.
Above-mentioned bracket 14 includes the long end being bonded with the inner wall of main body 21 and the short end on buffering spacer 15, the long end
Arc angling is formed with the junction of short end, convenient for the installation of bracket 14, arc angling to actuator 11 and can also shine when leading to
Part plays a certain protective role, and avoids impacting actuator 11 and illuminating part because of wedge angle, while being also convenient for actuator 11
With the installation of illuminating part.
Further, please refer to fig. 5, a kind of specific reality as the downlight provided by the invention with radiator structure
Mode is applied, main body 21 is equipped with card slot 211, and the position that card slot 211 is corresponded on bracket 14 is equipped with buckle 141, main body 21 and branch
Frame 14 is clamped.This structure is fixed, so that the fix tightly between bracket 14 and main body 21 with card slot 211 by buckle 141
Gu being also convenient for the installation and removal of bracket 14 so that the shock resistance of downlight can be improved.In other embodiments, bracket 14
It can also be otherwise fixed in main body 21, not limit uniquely herein.
Actuator 11 is installed on the support 14, and the upper end of actuator 11 and the open end of main body 21 maintain an equal level, actuator 11
A distance is reserved between lower end and the short end of bracket 14.This structure may make actuator 11 by the space that this is reserved
The heat generated with illuminating part obtains certain buffering, which can store partial heat, and the partial heat is transmitted
It to radiator 2 and is discharged, the heat for avoiding actuator 11 and illuminating part from generating is excessive, and heat is discharged due to having little time, thus right
Actuator 11 and illuminating part impact.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. the downlight with radiator structure, it is characterised in that: driving mechanism including illuminating part, for driving the illuminating part,
For the radiator of heat dissipation, the heat transfer for generating the illuminating part to the radiator substrate, be used to cover institute
The upper cover of radiator one end and the lower cover for covering the radiator other end are stated, is offered on the upper lid for described
Driving mechanism carries out the heat release hole of radiating treatment, and the illuminating part and the driving mechanism are set in the radiator, described
The substrate is supported and fixed on one end of the radiator by lower cover.
2. as described in claim 1 with the downlight of radiator structure, it is characterised in that: the downlight with radiator structure is also
The lens that are handled including the light for being issued to the illuminating part and the support plate for being used to support the lens, it is described
Mirror is set in the support plate, and the support plate is set between the substrate and the lower cover.
3. as claimed in claim 2 with the downlight of radiator structure, it is characterised in that: the downlight with radiator structure is also
Including the sealing ring for sealing described radiator one end, the sealing ring is set between the support plate and the substrate.
4. as described in claim 1 with the downlight of radiator structure, it is characterised in that: the driving mechanism includes for driving
The illuminating part luminous actuator, the input terminal for being connected to external power supply and the output for being connected with the illuminating part
End, the input terminal and the output end are electrically connected with the actuator respectively.
5. as claimed in claim 4 with the downlight of radiator structure, it is characterised in that: offered on the substrate for for institute
The through-hole that output end stretches out the substrate is stated, the downlight with radiator structure further includes being set in the through-hole for filling institute
State the seal rubber in gap between output end and the through-hole.
6. as claimed in claim 4 with the downlight of radiator structure, it is characterised in that: the downlight with radiator structure is also
Including the tabletting for fixing the input terminal, the tabletting is set on the upper lid.
7. as described in claim 1 with the downlight of radiator structure, it is characterised in that: the radiator includes cylindrical
Main body and heat dissipation fin set on the body peripheral edge, the illuminating part and the driving mechanism are set in the main body.
8. as claimed in claim 7 with the downlight of radiator structure, it is characterised in that: the main body is with the heat dissipation fin
It is integrally formed.
9. as claimed in claim 7 with the downlight of radiator structure, it is characterised in that: the downlight with radiator structure is also
Buffering spacer including being used to support the bracket of the driving mechanism and set on described bracket one end, the branch are set up in the master
In body.
10. as claimed in claim 9 with the downlight of radiator structure, it is characterised in that: the main body is equipped with card slot, described
It is equipped with buckle corresponding to the position of the card slot on bracket, the main body and the bracket are clamped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810282327.0A CN110345424A (en) | 2018-04-02 | 2018-04-02 | Downlight with radiator structure |
Applications Claiming Priority (1)
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117628459A (en) * | 2024-01-04 | 2024-03-01 | 东莞市佰特照明科技有限公司 | LED projection lamp |
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Application publication date: 20191018 |