CN105692383A - Elevator fault diagnosis device and method and controller - Google Patents
Elevator fault diagnosis device and method and controller Download PDFInfo
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- CN105692383A CN105692383A CN201610222288.6A CN201610222288A CN105692383A CN 105692383 A CN105692383 A CN 105692383A CN 201610222288 A CN201610222288 A CN 201610222288A CN 105692383 A CN105692383 A CN 105692383A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
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Abstract
The invention relates to an elevator fault diagnosis device and a method and a controller. The elevator fault diagnosis device comprises a brake operation detecting unit for detecting a vibrating signal of a brake action, and a main controller connected to the brake operation detecting unit for processing the vibrating signal of the brake action to judge the brake operation quality and sending a judging result to a display unit. According to the elevator fault diagnosis device, the remote diagnosis can be safely and effectively performed for elevator faults. The invention further discloses an elevator fault diagnosis method and a controller for elevator fault diagnosis.
Description
Technical field
The invention belongs to elevator observation and control technology field, relate more specifically to a kind of elevator failure diagnosis device, method and controller。
Background technology
At present, China has become the country that elevator recoverable amount is maximum in the world, and elevator safety problem becomes increasingly conspicuous。Adding up according to State General Administration for Quality Supervision, from 2003 so far, the security incident of elevator is rank first to third in eight big class special equipments always。According to statistics, in many factors causing elevator safety hidden danger, workmanship accounts for 16%, installs and accounts for 24%, and maintenance and the problem of use are up to 60%。Present overhauling elevator system, it is necessary to after failure, is carried out breakdown judge solution by maintainer to scene。And owing to elevator faults is various and region restriction, can not quickly and efficiently find and solution problem。
Summary of the invention
The elevator of newer type number is likely to when dispatching from the factory be provided with sensor, and these sensors can detect the parameter in running process of elevator, and exports the parameter that detects and judge whether elevator exists fault for the Operation and Maintenance personnel of elevator。But, the parameter detected and the mode exporting these parameters etc. are relevant with the structure of elevator, principle etc., and different elevator manufacturers elevator model not even together is likely to adopt different parameters。And, substantial amounts of old-fashioned elevator cannot provide such parameter even at all。This makes the running status of supervision elevator and judges that after having an accident cause of accident etc. is very inconvenient。
The invention provides a kind of elevator failure diagnosis device, method and controller。
According to an aspect of the present invention, it is provided that a kind of elevator failure diagnosis device, this elevator failure diagnosis device includes band-type brake and runs detection unit, and described band-type brake runs detection unit for detecting the vibration signal of band-type brake action；And master controller, being connected to described band-type brake and run detection unit, for the vibration signal of band-type brake action is processed, thus judging band-type brake running quality, and will determine that result is sent to display unit。
According to a further aspect in the invention, it is provided that a kind of Elevator Fault Diagnosis method, including the vibration signal of detection band-type brake action；The vibration signal of band-type brake action is processed, thus judging band-type brake running quality；And described judged result is displayed。
According to a further aspect in the invention, it is provided that a kind of controller for Elevator Fault Diagnosis, including receiving device, for receiving the vibration signal of the band-type brake action embracing elevator；Process device, be connected to described reception device, for the vibration signal of band-type brake action is processed；Judgment means, is connected to described process device, judges whether elevator exists fault for the result according to described process。
This diagnostic system and method can be easy to attendant to the location of elevator faults and solution；And each several part real-time status of elevator monitoring can be analyzed and predict the generation of fault, it is proposed to maintenance warning, thus the significant trouble of elevator is prevented trouble before it happens。
Accompanying drawing explanation
Being more clearly understood from the features and advantages of the present invention by reference accompanying drawing, accompanying drawing is schematic and should not be construed as and the present invention is carried out any restriction, in the accompanying drawings:
Fig. 1 illustrates the block diagram of an embodiment of the elevator failure diagnosis device according to the present invention；
Fig. 2 illustrates the flow chart of an embodiment of the Elevator Fault Diagnosis method according to the present invention；
Fig. 3 illustrates that the band-type brake according to the present invention runs the schematic top plan view of an embodiment of detection unit；
Fig. 4 illustrates the structural representation of an embodiment of the controller for Elevator Fault Diagnosis according to the present invention。
Detailed description of the invention
Feature and the exemplary embodiment of various aspects of the invention are described more fully below。In the following detailed description, it is proposed that many details, in order to complete understanding of the present invention is provided。But, it will be apparent to those skilled in the art that the present invention can implement when some details in not needing these details。Below the description of embodiment is only used to by illustrating that the example of the present invention provides being better understood from the present invention。The present invention is never limited to any concrete configuration set forth below and method, but covers any amendment, replacement and the improvement of element, parts and algorithm under the premise of without departing from the spirit of the present invention。In the the accompanying drawings and the following description, it does not have known structure and technology are shown, in order to avoid the present invention causes unnecessary obscuring。
Below in conjunction with accompanying drawing, elevator failure diagnosis device according to embodiments of the present invention, method and controller are described in detail。
Fig. 1 illustrates the block diagram of an embodiment of the elevator failure diagnosis device according to the present invention。
As it is shown in figure 1, this elevator failure diagnosis device includes band-type brake runs detection unit 101 and master controller 108。Band-type brake runs detection unit 101 for detecting the vibration signal of band-type brake action。Master controller 108 is connected to band-type brake and runs detection unit 101, for the vibration signal of band-type brake action is processed, thus judging band-type brake running quality, and will determine that result is sent to display unit 110。Display unit 110 is for showing the judged result that described master controller 108 is sent。Master controller 108 can be located at lift car interiorly or exteriorly, it is also possible to is located in elevator clipping room, it is also possible to be positioned at remotely relative to elevator, for instance be arranged in the Control Room of elevator。
In one embodiment, display unit 110 can be positioned at remotely relative to elevator。Such as, display unit 110 can be arranged in the Control Room of elevator。As required, Control Room can also arrange memory element 109, alarm unit 111 etc.。Master controller 108 is when judged result is beyond running quality threshold value, it is possible to send alarm signal to alarm unit 111, to be notified the Operation and Maintenance personnel of elevator by alarm unit 111。Memory element 109 can store the judged result of master controller 108 in time, to provide the long-time statistical data about elevator ride quality。Additionally, in one embodiment, master controller 108 is connected with the alarm unit 111 on remote server, display unit 110, memory element 109 by the mode of radio communication such that it is able to be easy to attendant to the location of elevator faults and solution；And the band-type brake that can analyze elevator monitoring runs part real-time status and predicts the generation of fault, it is proposed to maintenance warning, thus the significant trouble of elevator is prevented trouble before it happens。
Fig. 3 illustrates that band-type brake runs the schematic top plan view of an embodiment of detection unit。Band-type brake runs the vibrating sensor 1015 that detection unit 101 can include being arranged on elevator internal contracting brake。Vibrating sensor 1015 can be arranged on band-type brake lock arm 1012, for instance can be arranged on the upside of elevator internal contracting brake lock arm 1012。Vibrating sensor 1015 can also be arranged on the positions such as brake shoe 1013 or the brake rubber block 1014 of band-type brake。
In one embodiment, the vibration signal of band-type brake action includes the open/close lock action vibration signal of left and right band-type brake。Acceleration transducer can detect the acceleration of the open/close lock action of left and right band-type brake。Master controller 108 can extract the initial time t of the open/close lock action of left and right band-type brake from the vibration signal of the open/close lock action of left and right band-type brake0L、t0R、With stop timing t1L、t1R、The pulsewidth Δ t of open/close lock actuating signal can also be calculatedL、ΔtR、(such as by Δ tL=t1L-t0LDeng)。Master controller 108 can determine whether whether left and right band-type brake open/close lock action exists time delay。The band-type brake action delay time is to the delay time opening band-type brake after motor torque, and the effect of elevator internal contracting brake is when lift car is in the electromechanical device that static and motor is under power failure state to prevent elevator from moving again。In some control form, it can check elevator when motor power-off。When its control mode is usually electric, band-type brake unclamps, and during dead electricity, band-type brake is held tightly。As it has been described above, band-type brake runs detection unit 101 by extracting the initial time t of the open/close lock action of left and right band-type brake0L、t0R、With stop timing t1L、t1R、Thus effectively judging that whether the action of the open/close lock action of the left and right band-type brake of elevator is consistent, whether band-type brake action exists time delay, and in time the need of maintenance, elevator is carried out anticipation for result above, improves the safety of elevator and the ageing of elevator repair and maintenance。
In one embodiment, the acceleration a of the open/close lock action detected according to acceleration vibrating sensor 1015, it is known that the useful frictional force of pulley embraced by band-type brake is F=μ FN=μm a, wherein μ is the coefficient of friction of the grooving traction steel-cable of traction sheave, FNFor band-type brake pressure, m is quality。And according to lift dragging machine structure, open a sluice gate the suffered i.e. useful frictional force=coefficient of friction * (brake force-spring force-resistance) that makes a concerted effort, close a floodgate the suffered i.e. useful frictional force=coefficient of friction * (spring force-resistance) that makes a concerted effort。Because quality m remains unchanged in above formula, the Facing material of coefficientoffrictionμ and steel wire rope and traction sheave has relation, and when the two does not occur to wear and tear, μ is it is believed that remain unchanged；Therefore the change of F can be converted into the change of acceleration a。
If acceleration transducer output acceleration signal is fT(t), fTT the Fourier transformation of () is FT(ω), according to Parseval's theorem, fTThe energy of (t)Wherein, G (f)=| FT(ω)2It is called energy spectral density。
Therefore,
Therefore to institute's measuring acceleration value, can be quadratured by such as Fourier transformation mode, it is thus achieved that energy spectral density。
Whether normal according to the pulsewidth of left and right open/close lock, energy spectral density, it can be determined that whether band-type brake pressure is normal, obtains band-type brake running quality。And in time elevator can be carried out anticipation the need of maintenance according to result above, improve the security performance of elevator。
In one embodiment, elevator failure diagnosis device also includes car and vertically runs detection unit 106, and described car vertically runs detection unit 106 for gathering the vertical speed of service of lift car。The vertical run signal of car can being arranged security maintenance threshold value and threshold value of warning, if during safeguarding, the vertical speed of service of car exceeds security maintenance threshold value, then propose alarm, for instance master controller 108 can send alarm signal to alarm unit 111；If elevator properly functioning period, the vertical speed of service of car exceeds threshold value of warning, excessive velocities or excessively slow, then propose alarm, for instance master controller 108 sends alarm signal to alarm unit 111, reminds repair and maintenance personnel to safeguard。
In one embodiment, the vertical running speed signal of the master controller acceleration signal according to the open/close lock action of described left and right band-type brake and lift car, it is judged that the coefficient of friction between grooving and the traction steel-cable of traction sheave。This judgement such as can carry out in real time。Due to the frictional force between the grooving of traction sheave and traction steel-cable during motor rotation, driving steel wire rope to make car with to recast relative motion, car runs up and down along guide rail in hoistway。This frictional force F=μm of a, wherein a is the signal of the sensor output on above-mentioned band-type brake, and band-type brake runs detection unit can monitor the change of a in real time, and m is that quality remains unchanged。When elevator running uses, steel wire rope and traction sheave can produce abrasion, it is necessary to safeguard in time。The vertical speed of service of elevator is closely bound up with frictional force F, and when band-type brake is normal, acceleration signal a is normal, then the abnormal conditions of the vertical speed of service of car can be determined by coefficientoffrictionμ。When steel wire rope and traction sheave surface abrasion cause that μ value becomes big, then the vertical speed of service of car can be slack-off；On the contrary, if μ value diminishes, then the vertical speed of service of car can accelerate。Therefore, can pass through to monitor in real time the anti-size releasing μ value of the vertical speed of service of car, thus obtaining steel wire rope and traction sheave surface abrasion situation。In one embodiment, the vertical speed of service of car is arranged threshold value of warning。Within the scope of threshold value of warning, it is judged that coefficient of friction is normal, steel wire rope and the non-heavy wear in traction sheave surface；Exceeding threshold value, then send early warning, master controller 108 sends alarm signal to alarm unit 111, and notice alarm unit 111 is reported to the police。Prompting repair and maintenance personnel maintain steel wire rope and traction sheave, keep in repair。The vertical speed of service of associating band-type brake acceleration and car, can comprehensive descision band-type brake pressure, steel wire rope and traction sheave surface abrasion situation, it is prevented that the end of squatting, rushes to summit, slip the situations such as car。
In one embodiment, elevator failure diagnosis device also includes elevator door lock loop detection unit 102, and described elevator door lock loop detection unit 102 is set to serial or parallel connection in loop of the door lock, for measuring the resistance value of loop of the door lock。The resistance value of loop of the door lock in cage operation can be arranged threshold value of warning and secure threshold in the host controller, elevator door lock loop is detected the result of unit 102 detection and compares with described threshold value of warning and secure threshold by described master controller 108, and send result to storage and display unit 109, 110, when loop resistance value exceedes threshold value of warning, send early warning signal, prompting circuit switching is likely to abrasion, the reasons such as dust is too much, repair and maintenance personnel need to maintain, when loop resistance value infinity, then circuit switching damages, car cannot run, repair and maintenance personnel need to keep in repair；When loop resistance value belongs to secure threshold, in conjunction with cage operation speed, when cage operation speed, beyond maintenance speed, (maintenance speed is a very low speed usually, show that elevator is in service mode) time, master controller 108 sends alarm signal to alarm unit 111, notice alarm unit 111 is reported to the police, and points out maintainer and passenger。In one embodiment, for the purpose of for greater safety, elevator door lock loop detection unit 102 is connected in loop of the door lock, and does not select parallel way, it is prevented that measurement module self damages the short circuit caused。
In one embodiment, elevator failure diagnosis device also includes elevator safety loop detection unit 103, and described elevator safety loop detection unit 103 is set to serial or parallel connection in safety return circuit, for measuring the resistance value of safety return circuit。The resistance value of safety return circuit in cage operation can be arranged threshold value of warning and secure threshold by master controller, elevator safety loop is detected the result of unit 103 detection and compares with described threshold value of warning and secure threshold by described master controller 108, and storage and display unit 109 can be sent result to, 110, when loop resistance value exceedes threshold value of warning, send early warning signal, prompting circuit switching is likely to abrasion, the reasons such as dust is too much, repair and maintenance personnel need to maintain, when loop resistance value infinity, then circuit switching damages, car cannot run, repair and maintenance personnel need to keep in repair；When loop resistance value belongs to secure threshold, in conjunction with cage operation speed, when cage operation speed is beyond maintenance speed, master controller 108 sends alarm signal to alarm unit 111, and notice alarm unit 111 is reported to the police, and points out maintainer and passenger。Additionally, according to a kind of embodiment, described elevator failure diagnosis device can include being positioned at long-range terminal relative to elevator, and this terminal can include described storage, display unit and alarm unit, such that it is able to the safety return circuit of elevator is carried out long-range monitoring。In one embodiment, elevator safety loop detection unit 103 is connected in safety return circuit, and does not select parallel way, it is prevented that measurement module self damages the short circuit caused。
In one embodiment, elevator failure diagnosis device also includes elevator abnormal sound detection unit 104, and described elevator abnormal sound detection unit 104 is for gathering the audio signal that elevator run duration produces, and described elevator abnormal sound detection unit such as can be arranged on the outside of car。In one embodiment, described elevator abnormal sound detection unit can be arranged on the top outside car and/or inside elevator hoistways。
In one embodiment, audio signal is easily separated and extracts by master controller 108, rejects the interference of useless audio signal。Audio signal is with the frequency of regular sound wave of voice, music and audio, amplitude of variation result carrier。Feature according to sound wave, can be categorized as audio result rule audio frequency and irregular sound。Wherein rule audio frequency can be divided into again voice, music and audio。Rule audio frequency is a kind of continuously varying analog signal, can represent with a continuous print curve, be called sound wave。Three key elements of sound are tone, loudness of a sound and tone color。Sound wave or sine wave have three important parameters: frequencies omega 0, amplitude A n and phase place ψ n, and this also just determines the feature of audio signal。The sound that useless the audio frequency such as wind and people of the audio signal detected cause can be rejected according to the characteristic use of audio signal existing audio frequency separation equipment；Further, the sound sound intensity is calculated in real time。When the sound intensity exceedes setting threshold value, it is proposed to early warning；And voice data is preserved, diagnose and analyzes, check whether elevator components weares and teares abnormal with foreign body obstruction etc.。And in time elevator is carried out anticipation the need of maintenance for result above, prevent trouble before it happens。
In one embodiment, elevator failure diagnosis device also includes rocking of lift car and detects unit 105, and rocking of described lift car detects unit 105 for gathering the horizontal vibration signal of lift car。In one embodiment, the empirical value of the result and setting of rocking detection unit 105 detection of lift car is compared by master controller 108, and send result to storage and display unit 109,110, when horizontal vibration signal is beyond threshold range, illustrate to lead the horizontal jitter relevant devices such as boots abrasion, guide rail out of plumb abnormal。Leading boots is the parts that can slide between cage guide and car, for instance nylon block, and car can be fixed on guide rail by it, and car may only be moved up and down。Lead boots top and can also have lubricating cup, reduce the frictional force of shoe guide and guide rail。Leading boots abrasion and can cause the horizontal jitter of elevator, the use safety of serious threat elevator, repair and maintenance personnel need to safeguard。Master controller 108 sends alarm signal to alarm unit 111, and notice alarm unit 111 is reported to the police。
In one embodiment, elevator failure diagnosis device also includes floor flat bed detection unit 108, and described floor flat bed detection unit 108 such as measures elevator cabin flat level result by elevator leveling switch and tacho-pulse。In one embodiment, the empirical value of result and setting that elevator floor flat bed is detected unit 108 detection by master controller 108 compares, and master controller 108 sends alarm signal to alarm unit 111, and notice alarm unit 111 is reported to the police。
Elevator failure diagnosis device according to the various embodiment of the application can the position of quick diagnosis elevator faults and problem, it is simple to attendant efficiently solves problem and the safety of protection passenger-in-elevator and equipment；Further, provide alert to not breaking down, reduce the generation of elevator accident。Elevator failure diagnosis device according to various embodiments can be suitable for for the elevator of different vendor, different model, and can be attached on old-fashioned elevator, thus allowing supervision department or third party supervise the running status of elevator better and determine accident responsibility。
Fig. 2 illustrates the flow chart of an embodiment of the Elevator Fault Diagnosis method according to the present invention。Method according to this embodiment may include that in step s201, the vibration signal of detection band-type brake action；In step s202, receive the vibration signal of described detection band-type brake action, the vibration signal of band-type brake action is processed, thus judging band-type brake running quality；In step s203, show judged result。Passing through above-mentioned steps, it is possible to effectively judge that whether the action of the open/close lock action of the left and right band-type brake of elevator is consistent, whether band-type brake action exists time delay, and carries out the maintenance of elevator in time for result above, the safety of raising elevator and elevator repair and maintenance ageing。
According to a kind of embodiment, in step s202, it is possible to detected the acceleration of the open/close lock action of left and right band-type brake by acceleration vibrating sensor。Now, the initial time t of the open/close lock action by extracting0L、t0R、With stop timing t1L、t1R、Calculate the pulsewidth Δ t of switching-off action signalL、ΔtR、Acceleration vibrating sensor is output as the acceleration a of open/close lock action, it is known that the useful frictional force of pulley embraced by band-type brake is F=μ FN=μm a, FNFor band-type brake pressure。And according to lift dragging machine structure, open a sluice gate the suffered i.e. useful frictional force=coefficient of friction * (brake force-spring force-resistance) that makes a concerted effort, close a floodgate the suffered i.e. useful frictional force=coefficient of friction * (spring force-resistance) that makes a concerted effort；Because F=μm of a, m are quality, remaining unchanged, μ is the coefficient of friction of the grooving traction steel-cable of traction sheave, has relation with the Facing material of steel wire rope and traction sheave, and when the two does not occur to wear and tear, μ is it is believed that remain unchanged；Therefore the change of F can be converted into the change of acceleration a, institute's measuring acceleration value is done Fourier transformation and quadratures and can obtain energy spectral density。Whether normal according to the pulsewidth of left and right open/close lock, energy spectral density, have that testing result is directly perceived, precision advantages of higher, it can be determined that whether band-type brake pressure is normal, obtains band-type brake running quality。And in time elevator is carried out anticipation the need of maintenance for result above, improve the security performance of elevator。
In one embodiment, the acceleration signal of the open/close lock action according to described left and right band-type brake and the upper and lower in real time running speed signal of lift car judge the real-time coefficient of friction of the grooving traction steel-cable of traction sheave, can comprehensive descision band-type brake pressure, steel wire rope and traction sheave surface abrasion situation, it is prevented that the end of squatting, rush to summit, slip the situations such as car。
In one embodiment, measure elevator door lock loop resistance value respectively, elevator safety loop resistance value, the volume of elevator abnormal sound and frequency, horizontal vibration signal, the upper and lower in real time speed of service of lift car and the result of floor flat bed signal, and by described result and or master controller calculate after result and predetermined threshold value compare, send alarm signal when signal is beyond threshold value to report to the police, all kinds of situations of elevator remotely can be monitored, Elevator Fault Diagnosis method in this embodiment can the position of quick diagnosis elevator faults and problem, it is easy to attendant and efficiently solves problem and the safety of protection passenger-in-elevator and equipment；Further, provide alert to not breaking down, reduce the generation of elevator accident。
Fig. 4 illustrates according to a kind of embodiment, for the example arrangement of the controller 400 of Elevator Fault Diagnosis。Controller 400 can as the master controller 108 in Fig. 1。As shown in Figure 4, controller 400 can include receiving device 410, processing device 420 and judgment means 430。Receive device 410 for receiving the vibration signal of the band-type brake action of elevator。Process device 420 and be connected to reception device 410, for the vibration signal of band-type brake action is processed。Judgment means 430 is connected to process device 420, judges whether elevator exists fault for the result according to described process。
Described in Fig. 1, the vibration signal receiving the band-type brake action that device 410 receives can include the open/close lock action vibration signal of left and right band-type brake, process device 420 and can obtain initial time and the stop timing of left and right band-type brake open/close lock action according to the open/close lock action vibration signal of left and right band-type brake, and/or obtain the pulsewidth of switching-off action signal。Altematively or additionally, receive the acceleration that the vibration signal of band-type brake action that device 410 receives can also include the open/close lock action of left and right band-type brake, process device 420 and can obtain energy spectral density by described acceleration is carried out Fourier transformation。Receive device 410 and can also receive the vertical running speed signal of lift car。Processing device 420 can according to the acceleration of the open/close lock action of left and right band-type brake and described vertical running speed signal, it is thus achieved that the coefficient of friction between grooving and the traction steel-cable of the traction sheave of elevator。Judgment means 430 can according to the one or more threshold values preset in the result that process device 420 obtains and controller 400, understand the situations such as coefficient of friction between grooving and the traction steel-cable of the band-type brake running quality of elevator, traction sheave, to judge whether elevator exists fault。Judged result such as can be sent to long-range monitoring terminal by wired or wireless mode, for the purpose showing, store or reporting to the police。
It will be understood by those skilled in the art that controller 400 can use the mode of software, hardware and/or firmware to realize。Such as, in one embodiment, controller 400 can be realized by programmed instruction in messaging device, these programmed instruction can be stored in the nonvolatile memory of this messaging device, and make this messaging device realize receiving device accordingly, processing device and judgment means when being performed by one or more processors of this messaging device。These programmed instruction can be contained in be existed with the form such as source code, object code, intermediate code and can with in the executable file of compiling or interpretive mode execution or APP。In another kind of embodiment, controller 400 can be realized by hard-wired circuit, and reception device therein, process device and judgment means can be circuit that is separate and that connect, it is also possible to integrate。
It should be noted that, in the claims, word " comprising " or " including " are not precluded from there is the element not arranged in the claims or assembly。Article "a" or "an" before being positioned at element or assembly is also not precluded from the situation that there is multiple such element or assembly。
Furthermore, it should also be noted that the language used in this specification is primarily to purpose that is readable and that instruct and selects, rather than select to explain or limit the theme of the present invention。Therefore, when not necessarily departing from the scope of the appended claims and spirit, many modifications and changes will be apparent from for those skilled in the art。About the scope of the present invention, the description done in description is all illustrative and not restrictive, and it is intended that the scope of the present invention be defined by the claims appended hereto。
Claims (27)
1. an elevator failure diagnosis device, including:
Band-type brake runs detection unit, and described band-type brake runs detection unit for detecting the vibration signal of band-type brake action；And
Master controller, being connected to described band-type brake and runs detection unit, for the vibration signal of band-type brake action is processed, thus judging band-type brake running quality, and will determine that result is sent to display unit。
2. elevator failure diagnosis device according to claim 1, wherein, the vibration signal of described band-type brake action includes the open/close lock action vibration signal of left and right band-type brake。
3. elevator failure diagnosis device according to claim 2, wherein, described band-type brake runs the acceleration transducer that detection unit includes being arranged on band-type brake, for detecting the acceleration of the open/close lock action of left and right band-type brake。
4. elevator failure diagnosis device according to claim 2, wherein, described master controller obtains initial time and the stop timing of left and right band-type brake open/close lock action for the open/close lock action vibration signal according to left and right band-type brake, and/or obtains the pulsewidth of switching-off action signal。
5. elevator failure diagnosis device according to claim 3, wherein, described master controller is for obtaining energy spectral density by the acceleration of described open/close lock action。
6. elevator failure diagnosis device according to claim 1, wherein, also includes car and vertically runs detection unit, and described car vertically runs detection unit for gathering the vertical speed of service of lift car。
7. elevator failure diagnosis device according to claim 6, wherein, described master controller is additionally operable to the acceleration signal of the open/close lock action according to left and right band-type brake and the vertical running speed signal of described lift car, it is judged that the coefficient of friction between grooving and the traction steel-cable of the traction sheave of elevator。
8. according to the elevator failure diagnosis device in claim 1, wherein, also including elevator door lock loop detection unit, described elevator door lock loop detection unit is set to serial or parallel connection in loop of the door lock, for measuring the resistance value of loop of the door lock。
9. according to Claim 8 in elevator failure diagnosis device, wherein, described elevator door lock loop detection unit is set to be connected in loop of the door lock, for measuring the resistance value of loop of the door lock。
10. according to the elevator failure diagnosis device in claim 1, wherein, also including elevator safety loop detection unit, described elevator safety loop detection unit is set to serial or parallel connection in safety return circuit, for measuring the resistance value of safety return circuit。
11. according to the elevator failure diagnosis device in claim 10, wherein, described elevator safety loop detection unit is set to be connected in safety return circuit, for measuring the resistance value of safety return circuit。
12. elevator failure diagnosis device according to claim 1, also include following at least one:
Rock detection unit, for gathering the horizontal vibration signal of lift car；
Elevator abnormal sound detection unit, for gathering the audio signal that elevator run duration produces；And
Floor flat bed detection unit, is used for measuring elevator cabin flat level result。
13. elevator failure diagnosis device according to claim 1, also including alarm unit, for when judged result is beyond running quality threshold value, master controller sends alarm signal to alarm unit。
14. elevator failure diagnosis device according to claim 1, wherein, described display unit is positioned at remotely relative to elevator。
15. an Elevator Fault Diagnosis method, including:
The vibration signal of detection band-type brake action；
The vibration signal of band-type brake action is processed, thus judging band-type brake running quality；And
Described judged result is displayed。
16. Elevator Fault Diagnosis method according to claim 15, wherein, the vibration signal of described band-type brake action includes the open/close lock action vibration signal of left and right band-type brake。
17. Elevator Fault Diagnosis method according to claim 16, wherein, the step of the vibration signal of detection band-type brake action includes the acceleration of the open/close lock action of detection left and right band-type brake。
18. Elevator Fault Diagnosis method according to claim 16, wherein, the step that the vibration signal of band-type brake action is processed includes the open/close lock vibration signal according to left and right band-type brake and obtains initial time and the stop timing of left and right band-type brake open/close lock action, and/or obtains the pulsewidth of switching-off action signal。
19. Elevator Fault Diagnosis method according to claim 17, wherein, the step that the vibration signal of band-type brake action is processed includes quadraturing acquisition energy spectral density by the acceleration of described open/close lock action does Fourier transformation。
20. Elevator Fault Diagnosis method according to claim 17, also include:
Gather the vertical speed of service of lift car；And
The acceleration signal of the open/close lock action according to described left and right band-type brake and the vertical running speed signal of lift car, it is judged that the coefficient of friction between grooving and the traction steel-cable of traction sheave。
21. Elevator Fault Diagnosis method according to claim 15, wherein, also include elevator door lock loop resistance value, elevator safety loop resistance value, elevator abnormal sound volume are detected with at least one in frequency, horizontal vibration signal and floor flat bed signal。
22. the Elevator Fault Diagnosis method according to any one in claim 15～21, also include: when judged result is beyond running quality threshold value, report to the police。
23. for a controller for Elevator Fault Diagnosis, including:
Receive device, for receiving the vibration signal of the band-type brake action embracing elevator；
Process device, be connected to described reception device, for the vibration signal of band-type brake action is processed；
Judgment means, is connected to described process device, judges whether elevator exists fault for the result according to described process。
24. the controller for Elevator Fault Diagnosis according to claim 23, wherein, the vibration signal of band-type brake action includes the open/close lock action vibration signal of left and right band-type brake, described process device obtains initial time and the stop timing of left and right band-type brake open/close lock action for the open/close lock action vibration signal according to left and right band-type brake, and/or obtains the pulsewidth of switching-off action signal。
25. the controller for Elevator Fault Diagnosis according to claim 23, wherein, the vibration signal of band-type brake action includes the acceleration of the open/close lock action of left and right band-type brake, and described process device is for obtaining energy spectral density by described acceleration is carried out Fourier transformation。
26. the controller for Elevator Fault Diagnosis according to claim 25, wherein, described reception device is additionally operable to receive the vertical running speed signal of lift car。
27. the controller for Elevator Fault Diagnosis according to claim 26, wherein, described process device is additionally operable to according to described acceleration and described vertical running speed signal, it is thus achieved that the coefficient of friction between grooving and the traction steel-cable of the traction sheave of elevator。
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| CN105719358A (en) * | 2016-02-04 | 2016-06-29 | 黄正义 | Black box for mobile equipment |
| CN108483167A (en) * | 2018-05-22 | 2018-09-04 | 苏州江南嘉捷电梯有限公司 | A kind of elevator single armed band-type brake test device and method |
| CN108910639A (en) * | 2018-07-24 | 2018-11-30 | 日立楼宇技术（广州）有限公司 | Elevator internal contracting brake information processing method, system, equipment and readable storage medium storing program for executing |
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