CN105692383B - Elevator failure diagnosis device, method and controller - Google Patents
Elevator failure diagnosis device, method and controller Download PDFInfo
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- CN105692383B CN105692383B CN201610222288.6A CN201610222288A CN105692383B CN 105692383 B CN105692383 B CN 105692383B CN 201610222288 A CN201610222288 A CN 201610222288A CN 105692383 B CN105692383 B CN 105692383B
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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 present invention relates to a kind of elevator failure diagnosis device, method and controller.Elevator failure diagnosis device includes：Band-type brake runs detection unit, and the band-type brake operation detection unit is used for the vibration signal for detecting band-type brake action；And master controller, the band-type brake operation detection unit is connected to, for handling the vibration signal that band-type brake is acted, so as to judge band-type brake running quality, and will determine that result is sent to display unit.In accordance with the invention it is possible to safely and effectively carry out remote diagnosis to elevator faults.The invention also discloses a kind of Elevator Fault Diagnosis method and a kind of 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 turned into the maximum country of elevator recoverable amount in the world, and elevator safety problem becomes increasingly conspicuous.According to
State General Administration for Quality Supervision counts, from 2003 so far, the security incident of the elevator rank first to third in eight major class special equipments always.According to
In statistics, many factors for causing elevator safety hidden danger, workmanship accounts for 16%, and installation accounts for 24%, and maintains and use problem
Up to 60%.Present overhauling elevator system to scene, it is necessary to after failure, breakdown judge solution be carried out by maintainer
Certainly.And because elevator faults are various and territory restriction, quickly and efficiently can not find and solve the problems, such as.
The content of the invention
The elevator of newer type number may be provided with sensor when dispatching from the factory, and these sensors can detect running process of elevator
In parameter, and export detected parameter so that the Operation and Maintenance personnel of elevator judge elevator with the presence or absence of failure.But, institute
The parameter of detection and export that mode of these parameters etc. is relevant with structure, the principle of elevator etc., different elevator manufacturers are even
Different elevator models may use different parameters.Moreover, substantial amounts of old-fashioned elevator even can not provide such ginseng at all
Number.This to supervise the running status of elevator and judges that cause of accident etc. is very inconvenient after generation accident.
The invention provides a kind of elevator failure diagnosis device, method and controller.
According to an aspect of the present invention there is provided a kind of elevator failure diagnosis device, the elevator failure diagnosis device includes
Band-type brake runs detection unit, and the band-type brake operation detection unit is used for the vibration signal for detecting band-type brake action；And
Master controller, is connected to the band-type brake operation detection unit, for handling the vibration signal that band-type brake is acted, so that
Judge band-type brake running quality, and will determine that result is sent to display unit.
According to another aspect of the present invention there is provided a kind of Elevator Fault Diagnosis method, including detect shaking for band-type brake action
Dynamic signal；The vibration signal that band-type brake is acted is handled, so as to judge band-type brake running quality；And to described judgement
As a result shown.
According to another aspect of the present invention there is provided a kind of controller for Elevator Fault Diagnosis, including reception device,
The vibration signal of the band-type brake action of elevator is embraced for receiving；Processing unit, is connected to the reception device, for being acted to band-type brake
Vibration signal handled；Judgment means, are connected to the processing unit, for judging elevator according to the result of the processing
With the presence or absence of failure.
The diagnostic system can be easy to positioning and solution of the attendant to elevator faults with method；And elevator can be analyzed
The each several part real-time status of monitoring and the generation for predicting failure, propose maintenance warning, thus by the significant trouble of elevator prevent in
Possible trouble.
Brief description of the drawings
The features and advantages of the present invention can be more clearly understood from by reference to accompanying drawing, accompanying drawing is schematical without that should manage
Solve to carry out any limitation to the present invention, in the accompanying drawings：
Fig. 1 shows the block diagram of one embodiment of the elevator failure diagnosis device according to the present invention；
Fig. 2 shows the flow chart of one embodiment of the Elevator Fault Diagnosis method according to the present invention；
Fig. 3 shows the schematic top plan view of one embodiment of the band-type brake operation detection unit according to the present invention；
Fig. 4 shows the structural representation of one embodiment of the controller for Elevator Fault Diagnosis according to the present invention.
Embodiment
The feature and exemplary embodiment of various aspects of the invention is described more fully below.In following detailed description
In, it is proposed that many details, to provide complete understanding of the present invention.But, to those skilled in the art
It will be apparent that the present invention can be implemented in the case of some details in not needing these details.Below to implementing
The description of example is used for the purpose of by showing that the example of the present invention is better understood to provide to the present invention.The present invention is never limited
In any concrete configuration set forth below and method, but cover under the premise of without departing from the spirit of the present invention element,
Any modification, replacement and the improvement of part and algorithm.In the the accompanying drawings and the following description, known structure and skill is not shown
Art, to avoid causing the present invention unnecessary obscure.
Below in conjunction with the accompanying drawings, elevator failure diagnosis device, method and control according to embodiments of the present invention is described in detail
Device.
Fig. 1 shows the block diagram of one embodiment of the elevator failure diagnosis device according to the present invention.
As shown in figure 1, the elevator failure diagnosis device, which includes band-type brake, runs detection unit 101 and master controller 108.
Band-type brake operation detection unit 101 is used for the vibration signal for detecting band-type brake action.Master controller 108 is connected to band-type brake fortune
Row detection unit 101, for handling the vibration signal that band-type brake is acted, so that judge band-type brake running quality, and
It will determine that result is sent to display unit 110.Display unit 110 is used to show the judged result that the master controller 108 is sent.
Master controller 108 can be located at the internal or external of lift car, can also be located in elevator clipping room, can also be relative to electricity
Ladder is located at remotely, for example, be arranged in the Control Room of elevator.
In one embodiment, display unit 110 can be located at long-range relative to elevator.For example, display unit 110 can be with
It is arranged in the Control Room of elevator.As needed, memory cell 109, alarm unit 111 etc. can also be set in Control Room.It is main
Controller 108 can send alarm signal, with by alarming when judged result exceeds running quality threshold value to alarm unit 111
Unit 111 notifies the Operation and Maintenance personnel of elevator.Memory cell 109 can store the judged result of master controller 108 with the time,
To provide the long-time statistical data on elevator ride quality.In addition, in one embodiment, master controller 108 is by wireless
The mode of communication is connected with the alarm unit 111 on remote server, display unit 110, memory cell 109, so as to
It is easy to positioning and solution of the attendant to elevator faults；And the real-time shape in band-type brake operation part of elevator monitoring can be analyzed
State and the generation for predicting failure, propose maintenance warning, so that the significant trouble of elevator be prevented trouble before it happens.
Fig. 3 shows the schematic top plan view of one embodiment of band-type brake operation detection unit.Band-type brake operation detection
Unit 101 can include the vibrating sensor 1015 being arranged on elevator internal contracting brake.Vibrating sensor 1015 can be arranged on band-type brake
On lock arm 1012, for example, it can be arranged on the upside of elevator internal contracting brake lock arm 1012.Vibrating sensor 1015, which can also be arranged on, to be embraced
The brake shoe 1013 of lock or the grade of brake rubber block 1014 position.
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.Plus
Velocity sensor can detect the acceleration of the open/close lock action of left and right band-type brake.Master controller 108 can be from left and right band-type brake
The vibration signal of open/close lock action extracts the initial time t of the open/close lock action of left and right band-type brake0L、t0R、With stop
Only moment t1L、t1R、The pulsewidth Δ t of open/close lock actuating signal can also be calculatedL、ΔtR、(for example
Pass through Δ tL=t1L-t0LDeng).Master controller 108 can determine whether that left and right band-type brake open/close lock action whether there is time delay.Band-type brake is acted
Delay time is that the effect of elevator internal contracting brake is when lift car is in static to the delay time that band-type brake is opened after motor torque
And motor is in the electromechanical assembly for preventing that elevator from moving again under power failure state.In some control forms, it can be in motor power-off
When check elevator.Its control mode be usually it is electric when band-type brake unclamp, during dead electricity band-type brake hold tightly.As described above, band-type brake
Operation detection unit 101 is by extracting the initial time t that the open/close lock of left and right band-type brake is acted0L、t0R、And stopping
Moment t1L、t1R、So as to which whether the action of the open/close lock action for the left and right band-type brake for effectively judging elevator is consistent, band-type brake
Action whether there is time delay, and carry out anticipation to whether elevator needs to safeguard in time for result above, improve the safety of elevator
Property and elevator maintenance it is ageing.
In one embodiment, the acceleration a that the open/close lock detected according to acceleration vibrating sensor 1015 is acted,
Understand that the useful frictional force that band-type brake embraces pulley is F=μ FN=μm a, wherein μ are the frictions of the grooving traction steel-cable of traction sheave
Coefficient, FNFor band-type brake pressure, m is quality.And according to lift dragging machine structure, open a sluice gate suffered i.e. useful frictional force=friction of making a concerted effort
Coefficient * (brake force-spring force-resistance), close a floodgate suffered i.e. useful frictional force=coefficient of friction * (spring forces-resistance of making a concerted effort
Power).Because quality m keeps constant in above formula, the Facing material of friction coefficient μ and steel wire rope and traction sheave has relation, when the two
When not wearing and tearing, μ is believed that holding is constant；Therefore F change can be converted into acceleration a change.
If acceleration transducer output acceleration signal is fT(t), fT(t) Fourier transformation is FT(ω), according to handkerchief plug
Wa Er theorems, fT(t) energyWherein, G (f)=| FT(ω)2Referred to as can
Measure spectrum density.
Therefore,
Therefore it to institute's measuring acceleration value, can be quadratured for example, by Fourier transformation mode, obtain energy spectral density.
It is 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
To band-type brake running quality.And anticipation can be carried out to whether elevator needs to safeguard according to result above in time, improve elevator
Security performance.
In one embodiment, elevator failure diagnosis device also vertically runs detection unit 106, the car including car
Vertical operation detection unit 106 is used for the vertical speed of service for gathering lift car.The vertical run signal of car can be set
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 proposes police
Report, for example master controller 108 can send alarm signal to alarm unit 111；If elevator is during normal operation, car it is vertical
The speed of service exceeds threshold value of warning, and excessive velocities or excessively slow then propose alarm, and such as master controller 108 is sent out to alarm unit 111
Go out alarm signal, remind maintenance staff to be safeguarded.
In one embodiment, master controller is acted according to the open/close lock of the left and right band-type brake acceleration signal and
The vertical running speed signal of lift car, judges the coefficient of friction between the grooving of traction sheave and traction steel-cable.It is this to sentence
It is disconnected for example to carry out in real time.Due to the frictional force between the grooving and traction steel-cable of traction sheave, band during motor rotation
Dynamic steel wire rope makes car be performed relative motion with counterweight, and car is run in hoistway along above and below guide rail.F=μm of a of the frictional force, wherein
A is the signal of the sensor output on above-mentioned band-type brake, and band-type brake operation detection unit can monitor a change in real time, and m is matter
Amount keeps constant.Elevator running is in use, steel wire rope can produce abrasion, it is necessary to safeguard in time with traction sheave.The vertical fortune of elevator
Scanning frequency degree and frictional force F are closely bound up, when band-type brake is normal, and acceleration signal a is normal, the then vertical speed of service of car
Abnormal conditions can be determined by friction coefficient μ.When steel wire rope and traction sheave surface abrasion cause μ values to become big, then car is vertical
The speed of service can be slack-off；On the contrary, if μ values diminish, the vertical speed of service of car can accelerate.Therefore, can be by monitoring in real time
The vertical speed of service of car is counter to release the size of μ values, so as to obtain steel wire rope and traction sheave surface abrasion situation.In a reality
Apply in example, the vertical speed of service to car sets threshold value of warning.In the range of threshold value of warning, judge that coefficient of friction is normal, steel
Cord and the non-heavy wear of traction wheel surface；More than threshold value, then early warning is sent, master controller 108 sends report to alarm unit 111
Alert signal, notifies that alarm unit 111 is alarmed.Prompting maintenance staff are maintained steel wire rope and traction sheave, repaired.Joint
The band-type brake acceleration speed of service vertical with car, can comprehensive descision band-type brake pressure, steel wire rope and traction sheave surface abrasion situation,
Prevent crouching bottom, rush to summit, the situation such as car slipping.
In one embodiment, elevator failure diagnosis device also includes elevator door lock loop detection unit 102, the elevator
Loop of the door lock detection unit 102 is arranged to serial or parallel connection in loop of the door lock, the resistance value for measuring loop of the door lock.
Threshold value of warning and secure threshold, described main control can be set to the resistance value of loop of the door lock in cage operation in master controller
The result that device 108 is detected to elevator door lock loop detection unit 102 is compared with described threshold value of warning and secure threshold, and
Storage and display unit 109,110 are sent result to, when loop resistance value exceedes threshold value of warning, pre-warning signal is sent, carries
Show circuit switching and may wear and tear, the reason such as dust is excessive, maintenance staff need to be maintained, when loop resistance value is infinitely great, then
Circuit switching is damaged, and car can not be run, and maintenance staff need to be repaired；When loop resistance value belongs to secure threshold, with reference to
Cage operation speed, when cage operation speed, beyond maintenance speed, (maintenance speed is typically a very low speed, is shown at elevator
In service mode) when, master controller 108 sends alarm signal to alarm unit 111, notifies that alarm unit 111 is alarmed, carries
Show maintenance personal and passenger.In one embodiment, for the sake of for greater safety, elevator door lock loop detection unit 102 is connected
In loop of the door lock, without selecting parallel way, prevent measurement module itself short-circuit caused by damaging.
In one embodiment, elevator failure diagnosis device also includes elevator safety loop detection unit 103, the elevator
Safety return circuit detection unit 103 is arranged to serial or parallel connection in safety return circuit, the resistance value for measuring safety return circuit.It is main
Threshold value of warning and secure threshold, described master controller can be set to the resistance value of safety return circuit in cage operation in controller
The result that 108 pairs of elevator safety loop detection units 103 are detected is compared with described threshold value of warning and secure threshold, and can
To send result to storage and display unit 109,110, when loop resistance value exceedes threshold value of warning, pre-warning signal is sent,
The reason such as prompting circuit switching may wear and tear, dust is excessive, maintenance staff need to be maintained, when loop resistance value is infinitely great,
Then circuit switching is damaged, and car can not be run, and maintenance staff need to be repaired；When loop resistance value belongs to secure threshold, knot
Cage operation speed is closed, when cage operation speed is beyond maintenance speed, master controller 108 sends alarm to alarm unit 111
Signal, notifies that alarm unit 111 is alarmed, points out maintenance personal and passenger.In addition, according to a kind of embodiment, described electricity
Terraced trouble-shooter can include being located at long-range terminal relative to elevator, and the terminal can include the storage, show single
Member and alarm unit, so as to carry out long-range monitoring to the safety return circuit of elevator.In one embodiment, elevator safety
Loop detection unit 103 is connected in safety return circuit, without selecting parallel way, prevents measurement module itself short caused by damaging
Road.
In one embodiment, elevator failure diagnosis device also includes elevator abnormal sound detection unit 104, the elevator abnormal sound
Detection unit 104 is used to gather the audio signal produced during elevator operation, and the elevator abnormal sound detection unit can for example be set
Put in 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, master controller 108 is separated and extracted to audio signal, rejects useless audio signal
Interference.Audio signal is the frequency of the regular sound wave with voice, music and audio, changes in amplitude result carrier.According to
The feature of sound wave, can be categorized as audio result regular audio and irregular sound.Wherein regular audio can be divided into again voice,
Music and audio.Regular audio is a kind of continuously varying analog signal, can be represented with a continuous curve, referred to as sound
Ripple.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
With phase ψ n, this also just determines the feature of audio signal.It can be separated according to the existing audio of characteristic use of audio signal
Equipment rejects sound caused by useless the audio such as wind and people of the audio signal detected；Also, the sound sound intensity is calculated in real time.
When the sound intensity exceedes given threshold, provide alert；And voice data is preserved, diagnosed and analyzed, checks that elevator components are
No abrasion and foreign matter obstruction etc. are abnormal.And anticipation is carried out to whether elevator needs to safeguard in time for result above, prevent in not
So.
In one embodiment, elevator failure diagnosis device also rocks detection unit 105, the electricity including lift car
The detection unit 105 of rocking of terraced car is used to gather the horizontal vibration signal of lift car.In one embodiment, master controller
The result for rocking the detection of detection unit 105 of 108 pairs of lift cars is compared with the empirical value set, and result is sent
To storage and display unit 109,110, when horizontal vibration signal exceeds threshold range, illustrate to lead boots abrasion, guide rail out of plumb
It is abnormal etc. horizontal jitter relevant device.It is the part that can be slided between cage guide and car to lead boots, such as nylon block, it
Car can be fixed on guide rail, car may only be moved up and down.Lubricating cup can also be had by leading boots top, reduce shoe guide with leading
The frictional force of rail.The horizontal jitter of elevator can be caused by leading boots abrasion, serious to threaten using for elevator safe, and maintenance staff need to carry out
Safeguard.Master controller 108 sends alarm signal to alarm unit 111, notifies that alarm unit 111 is alarmed.
In one embodiment, elevator failure diagnosis device also includes floor flat bed detection unit 108, the floor flat bed
Detection unit 108 for example measures elevator cabin flat level result by elevator leveling switch and tacho-pulse.In one embodiment,
The result that master controller 108 is detected to elevator floor flat bed detection unit 108 is compared with the empirical value set, main control
Device 108 sends alarm signal to alarm unit 111, notifies that alarm unit 111 is alarmed.
The position of quick diagnosis elevator faults is capable of according to the elevator failure diagnosis device of the various embodiments of the application and asked
Topic, is easy to attendant efficiently to solve the safety of problem and protection passenger-in-elevator and equipment；Also, proposed to not breaking down pre-
It is alert, reduce the generation of elevator accident.According to the elevator failure diagnosis devices of various embodiments for different vendor, different model
Elevator can be applicable, and can be attached on old-fashioned elevator, so as to allow supervision department or third party preferably to supervise electricity
The running status and determination accident responsibility of ladder.
Fig. 2 shows the flow chart of one embodiment of the Elevator Fault Diagnosis method according to the present invention.According to the embodiment
Method can include：In step s201, the vibration signal of detection band-type brake action；In step s202, the detection band-type brake is received
The vibration signal of action, is handled the vibration signal that band-type brake is acted, so as to judge band-type brake running quality；In step
S203, shows judged result.By above-mentioned steps, the action of the open/close lock action of the left and right band-type brake of elevator can be effectively judged
Whether consistent, band-type brake action whether there is time delay, and carry out the maintenance of elevator in time for result above, improve the safety of elevator
Property and elevator maintenance it is ageing.
According to a kind of embodiment, in step s202, can be detected by acceleration vibrating sensor the opening of left and right band-type brake/
The acceleration of feed motion.Now, the initial time t acted by the open/close lock extracted0L、t0R、During with stopping
Carve t1L、t1R、Calculate the pulsewidth Δ t of switching-off action signalL、ΔtR、Acceleration vibrating sensor
It is output as the acceleration a of open/close lock action, it is known that the useful frictional force that band-type brake embraces pulley is F=μ FN=μm a, FNFor band-type brake
Pressure.And according to lift dragging machine structure, open a sluice gate suffered i.e. useful frictional force=coefficient of friction * (brake force-spring bullet of making a concerted effort
Power-resistance), 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 matter
Amount, keeps constant, μ is the coefficient of friction of the grooving traction steel-cable of traction sheave, is had with the Facing material of steel wire rope and traction sheave
Relation, when the two does not wear and tear, μ is believed that holding is constant；Therefore F change can be converted into acceleration a change, to institute
Measuring acceleration value, which is done Fourier transformation and quadratured, can obtain energy spectral density.It is according to the pulsewidth of left and right open/close lock, energy spectral density
It is no normal, have the advantages that testing result is directly perceived, precision is high, it can be determined that whether band-type brake pressure is normal, obtains band-type brake fortune
Row quality.And anticipation is carried out to whether elevator needs to safeguard in time for result above, improve the security performance of elevator.
In one embodiment, the acceleration signal and lift car acted according to the open/close lock of the left and right band-type brake
In real time up and down running speed signal judge traction sheave grooving traction steel-cable real-time coefficient of friction, can comprehensive descision band-type brake
Pressure, steel wire rope and traction sheave surface abrasion situation, prevent crouching bottom, rush to summit, the situation such as car slipping.
In one embodiment, elevator door lock loop resistance value, elevator safety loop resistance value, elevator abnormal sound are measured respectively
Volume and frequency, horizontal vibration signal, the speed of service and the result of floor flat bed signal, and will up and down in real time of lift car
The result and or master controller calculate after result be compared with predetermined threshold value, when signal beyond threshold value when send alarm
Signal is alarmed, and can all kinds of situations of elevator be carried out with the Elevator Fault Diagnosis method energy in remote monitoring, the embodiment
The position of enough quick diagnosis elevator faults and problem, are easy to attendant efficiently to solve the peace of problem and protection passenger-in-elevator and equipment
Entirely；Also, provided alert to not breaking down, reduce the generation of elevator accident.
Fig. 4 shown according to a kind of embodiment, the example arrangement for the controller 400 of Elevator Fault Diagnosis.Control
Device 400 can be used as the master controller 108 in Fig. 1.As shown in figure 4, controller 400 can include reception device 410, processing dress
Put 420 and judgment means 430.Reception device 410 is used for the vibration signal for the band-type brake action for receiving elevator.Processing unit 420 connects
Reception device 410 is connected to, for handling the vibration signal that band-type brake is acted.Judgment means 430 are connected to processing unit
420, for judging that elevator whether there is failure according to the result of the processing.
It can include left and right band-type brake as explained above with the vibration signal for the band-type brake action that described in Fig. 1, reception device 410 is received
Open/close lock action vibration signal, processing unit 420 can act vibration signal according to the open/close lock of left and right band-type brake and obtain left
The initial time of right band-type brake open/close lock action and stop timing, and/or obtain the pulsewidth of switching-off action signal.Alternatively or
Additionally, what the open/close lock that the vibration signal for the band-type brake action that reception device 410 is received can also include left and right band-type brake was acted adds
Speed, processing unit 420 can obtain energy spectral density by carrying out Fourier transformation to the acceleration.Reception device
410 can also receive the vertical running speed signal of lift car.Processing unit 420 can be according to the open/close lock of left and right band-type brake
The acceleration of action and the vertical running speed signal, between the grooving and traction steel-cable that obtain the traction sheave of elevator
Coefficient of friction.In result and controller 400 that judgment means 430 can be obtained according to processing unit 420 default one or
Multiple threshold values, to understand the coefficient of friction between band-type brake running quality, the grooving of traction sheave and the traction steel-cable of elevator
Etc. situation, to judge that elevator whether there is failure.Judged result for example can be sent to remotely by wired or wireless mode
Monitoring terminal, for the purpose for showing, storing or alarm.
It will be understood by those skilled in the art that controller 400 can use the mode of software, hardware and/or firmware to come real
It is existing.For example, in one embodiment, controller 400 can be realized by programmed instruction in message processing device, these journeys
Sequence instruction can be stored in the nonvolatile memory of the message processing device, and by the one of the message processing device
The message processing device is set to realize corresponding reception device, processing unit and judgment means during individual or multiple computing devices.This
A little programmed instruction can be contained in be existed and can be to compile or explain in forms such as source code, object code, intermediate codes
In executable file or APP that mode is performed.In another embodiment, controller 400 can be realized by hard-wired circuit, its
In reception device, processing unit and judgment means can be it is separate and connect circuit, can also integrate.
It should be noted that in the claims, word "comprising" or " comprising " are not precluded from existing not listed in the claims
Element or component.Article "a" or "an" before element or component is also not precluded from the presence of multiple such elements
Or the situation of component.
Furthermore, it should also be noted that the language used in this specification primarily to readable and teaching purpose and select
Select, rather than selected to explain or limit subject of the present invention.Therefore, without departing from appended claims
In the case of scope and spirit, many modifications and changes are all apparent for those skilled in the art
's.On the scope of the present invention, it is all illustrative and not restrictive, the scope of the present invention to be described done in specification
It is defined by the appended claims.
Claims (23)
1. a kind of elevator failure diagnosis device, including：
Band-type brake runs detection unit, and the band-type brake operation detection unit is used to detect that the open/close lock of left and right band-type brake to be moved
The acceleration of work；And
Master controller, is connected to the band-type brake operation detection unit, for the open/close lock action to the left and right band-type brake
Acceleration is handled, so as to judge 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 master controller is used for according to left and right band-type brake
Open/close lock action vibration signal obtains initial time and the stop timing of the action of left and right band-type brake open/close lock, and/or is opened a sluice gate
The pulsewidth of actuating signal.
3. elevator failure diagnosis device according to claim 1, wherein, the master controller be used for by it is described open/
The acceleration of feed motion obtains energy spectral density.
4. elevator failure diagnosis device according to claim 1, wherein, in addition to car vertically runs detection unit, institute
State car and vertically run the vertical speed of service that detection unit is used to gather lift car.
5. elevator failure diagnosis device according to claim 4, wherein, described master controller is additionally operable to be embraced according to left and right
The acceleration signal and the vertical running speed signal of the lift car of the open/close lock action of lock, judge the traction of elevator
Coefficient of friction between the grooving and traction steel-cable of wheel.
6. according to the elevator failure diagnosis device in claim 1, wherein, in addition to elevator door lock loop detection unit, it is described
Elevator door lock loop detection unit is arranged to serial or parallel connection in loop of the door lock, the resistance value for measuring loop of the door lock.
7. according to the elevator failure diagnosis device in claim 6, wherein, the elevator door lock loop detection unit is arranged to
It is connected in loop of the door lock, the resistance value for measuring loop of the door lock.
8. according to the elevator failure diagnosis device in claim 1, wherein, in addition to elevator safety loop detection unit, it is described
Elevator safety loop detection unit is arranged to serial or parallel connection in safety return circuit, the resistance value for measuring safety return circuit.
9. according to the elevator failure diagnosis device in claim 8, wherein, the elevator safety loop detection unit is arranged to
It is connected in safety return circuit, the resistance value for measuring safety return circuit.
At least one of 10. elevator failure diagnosis device according to claim 1, in addition to following：
Detection unit is rocked, the horizontal vibration signal for gathering lift car；
Elevator abnormal sound detection unit, for the audio signal produced during gathering elevator operation；And
Floor flat bed detection unit, for measuring elevator cabin flat level result.
11. elevator failure diagnosis device according to claim 1, in addition to alarm unit, for exceeding when judged result
During running quality threshold value, master controller sends alarm signal to alarm unit.
12. elevator failure diagnosis device according to claim 1, wherein, the display unit is located at remote relative to elevator
Journey.
13. a kind of Elevator Fault Diagnosis method, including：
Detect the acceleration of the open/close lock action of left and right band-type brake；
The acceleration of the open/close lock action of the left and right band-type brake is handled, so as to judge band-type brake running quality；And
Described judged result is shown.
14. Elevator Fault Diagnosis method according to claim 13, wherein, the vibration signal that band-type brake is acted is handled
The step of including according to the open/close lock vibration signal of left and right band-type brake obtain left and right band-type brake open/close lock act initial time and stop
The only moment, and/or obtain the pulsewidth of switching-off action signal.
15. Elevator Fault Diagnosis method according to claim 13, wherein, the vibration signal that band-type brake is acted is handled
The step of including being quadratured acquisition energy spectral density by doing Fourier transformation to the acceleration that described open/close lock is acted.
16. Elevator Fault Diagnosis method according to claim 15, in addition to：
Gather the vertical speed of service of lift car；And
The acceleration signal and the vertical running speed signal of lift car acted according to the open/close lock of the left and right band-type brake,
Judge the coefficient of friction between the grooving of traction sheave and traction steel-cable.
17. Elevator Fault Diagnosis method according to claim 16, wherein, in addition to elevator door lock loop resistance value,
At least one of in elevator safety loop resistance value, elevator abnormal sound volume and frequency, horizontal vibration signal and floor flat bed signal
Detected.
18. the Elevator Fault Diagnosis method according to any one in claim 13~17, in addition to：When judged result is super
When going out running quality threshold value, alarmed.
19. a kind of controller for Elevator Fault Diagnosis, including：
Reception device, the acceleration of the open/close lock action for receiving the left and right band-type brake for embracing elevator；
Processing unit, is connected to the reception device, and the acceleration for the open/close lock action to left and right band-type brake is handled；
Judgment means, are connected to the processing unit, for judging that elevator whether there is failure according to the result of the processing.
20. the controller according to claim 19 for Elevator Fault Diagnosis, wherein, the vibration signal bag of band-type brake action
The open/close lock action vibration signal of left and right band-type brake is included, the processing unit, which is used to act according to the open/close lock of left and right band-type brake, to be vibrated
Signal obtains initial time and the stop timing of the action of left and right band-type brake open/close lock, and/or obtains the pulsewidth of switching-off action signal.
21. the controller according to claim 19 for Elevator Fault Diagnosis, wherein, the vibration signal bag of band-type brake action
The acceleration of the open/close lock action of left and right band-type brake is included, the processing unit is used for by carrying out Fourier's change to the acceleration
Bring acquisition energy spectral density.
22. the controller according to claim 21 for Elevator Fault Diagnosis, wherein, the reception device is additionally operable to connect
Receive the vertical running speed signal of lift car.
23. the controller according to claim 22 for Elevator Fault Diagnosis, wherein, the processing unit is additionally operable to root
According to the acceleration and the vertical running speed signal, between the grooving and traction steel-cable that obtain the traction sheave of elevator
Coefficient of friction.
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| CN105719358A (en) * | 2016-02-04 | 2016-06-29 | 黄正义 | Black box for mobile equipment |
| JP6610809B2 (en) * | 2016-12-26 | 2019-11-27 | 三菱電機ビルテクノサービス株式会社 | Elevator control system |
| CN108483167B (en) * | 2018-05-22 | 2024-02-06 | 苏州江南嘉捷电梯有限公司 | Elevator single-arm band-type brake testing device and method |
| CN108910639B (en) * | 2018-07-24 | 2020-10-23 | 日立楼宇技术（广州）有限公司 | Elevator brake information processing method, system, equipment and readable storage medium |
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| CN109733972B (en) * | 2018-12-13 | 2020-08-07 | 北京市特种设备检测中心 | Early warning method for elevator brake performance fault |
| CN109896382B (en) * | 2019-01-18 | 2020-05-19 | 西人马帝言(北京)科技有限公司 | Elevator fault diagnosis method, device, equipment and medium |
| CN109748170B (en) * | 2019-01-18 | 2020-05-26 | 西人马帝言(北京)科技有限公司 | Elevator fault warning method, device, equipment and medium |
| CN110683438A (en) * | 2019-10-15 | 2020-01-14 | 迅达（中国）电梯有限公司 | Elevator abnormal state reporting system |
| CN111453637B (en) * | 2020-03-31 | 2021-12-21 | 苏州汇川技术有限公司 | Elevator brake control method, system, equipment and computer readable storage medium |
| CN112149289A (en) * | 2020-09-11 | 2020-12-29 | 西人马联合测控（泉州）科技有限公司 | Elevator brake fault determination method, device, equipment and storage medium |
| CN114483838B (en) * | 2020-10-26 | 2023-07-28 | 上海三菱电梯有限公司 | Brake band-type brake gap detection system and method |
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