CN105800413B - Elevator failure diagnosis device and method - Google Patents
Elevator failure diagnosis device and method Download PDFInfo
- Publication number
- CN105800413B CN105800413B CN201610348000.XA CN201610348000A CN105800413B CN 105800413 B CN105800413 B CN 105800413B CN 201610348000 A CN201610348000 A CN 201610348000A CN 105800413 B CN105800413 B CN 105800413B
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- elevator
- loop
- detection unit
- lift
- resistance value
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Classifications
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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
- B66B5/0006—Monitoring devices or performance analysers
- B66B5/0018—Devices monitoring the operating condition of the elevator system
- B66B5/0025—Devices monitoring the operating condition of the elevator system for maintenance or repair
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B3/00—Applications of devices for indicating or signalling operating conditions of elevators
-
- 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
- B66B5/0006—Monitoring devices or performance analysers
- B66B5/0018—Devices monitoring the operating condition of the elevator system
- B66B5/0031—Devices monitoring the operating condition of the elevator system for safety reasons
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- Maintenance And Inspection Apparatuses For Elevators (AREA)
- Indicating And Signalling Devices For Elevators (AREA)
Abstract
The present invention relates to a kind of elevator failure diagnosis device and method.The elevator failure diagnosis device includes lift loop detection unit and master controller, and the lift loop detection unit is used for the resistance value for measuring lift loop.The master controller is connected to the lift loop detection unit, the failure situation for judging lift loop according to the resistance value of lift loop.The invention also discloses a kind of Elevator Fault Diagnosis method.
Description
Technical field
The invention belongs to elevator observation and control technology field, relate more specifically to a kind of elevator failure diagnosis device and method.
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.
To ensure that elevator can safely be run, many safety components are housed on elevator.Only each safety component exists
In the case of normal, elevator could be run, and otherwise elevator is out of service immediately.So-called safety return circuit, is exactly in each safety of elevator
Part is equipped with a safety switch, and all safety switches are connected, and controls a safety relay.Only all safety opens
Close all in the case of connection, safety relay adhesive, elevator could obtain electric operation.General elevator safety loop is protected including phase sequence
Protect touching for the devices such as relay, limiter of speed, safety tongs, emergency stop push button, emergency exit switch, pit switch, limit switch
Point and relay.Wherein a certain device action elevator safety loop relay electric-loss, elevator just can not be travelled, even being just expert at
The elevator sailed also therefore Brake stop.
And to ensure that elevator must could be run after the closing of whole doors, an electricity is equipped with every fan hall door and gate
Gas interlocking switch.I.e. whole door electric interlock switches only are must be turned in the case where being all turned in loop of the door lock, control
The door lock relay of screen can adhesive, elevator could run.Door lock assembly is that consumption is very big in elevator, safety coefficient very high peace
Total event.Floor layer door can be unlocked only where car, and remainder layer door does not allow to be unlocked.
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.And it is this kind of newer
The loop detector structure of the elevator of model is complex, and the device of the simple and effective detection lift loop of neither one
Or method, this also to integrate lift running safety with reference to other elevator operating index using lift loop safety index
There is larger difficulty in judgement.
A kind of situation is that, when elevator safety loop is shorted, if elevator is still in express running status, elevator is by pole
Easily cause danger.For example when safety return circuit breaks down, maintainer's short circuit because of need of work sometimes in maintenance process
Safety return circuit, when maintenance terminates, must first take down door lock shorting stub, elevator can be returned to express state.If in dimension
When repairing, without opening inspection switch in advance with regard to short circuit safety return circuit；Or after maintenance terminates, forget to take down safe shorting stub；Or
In the case of in the presence of other artificial short circuit safety return circuits, then elevator can be caused in short circuit safety return circuit, also run with fast vehicle speed,
This is breakneck.Or when loop of the door lock breaks down, general maintenance way is being ensured under inspecting state, in control
System screen separates short circuit hall door lock and car door lock, separates hall door part or gate partial fault；Ensure under inspecting state, short circuit
Hall door lock loop, elevator is run with inspection speed.When maintenance terminates, door lock shorting stub must be first taken down, can be extensive by elevator
Express state is arrived again.If in maintenance, without opening inspection switch in advance with regard to short circuit loop of the door lock；Or after maintenance terminates,
Forget to take down door lock shorting stub；Or in the case of there are other artificial short circuit loop of the door lock, then can cause elevator in short circuit door lock
Loop, is also run, this is breakneck with fast vehicle speed.
The invention provides a kind of elevator failure diagnosis device and a kind of Elevator Fault Diagnosis method.
According to an aspect of the present invention there is provided a kind of elevator failure diagnosis device, the elevator failure diagnosis device includes
Lift loop detection unit and master controller, the lift loop detection unit are arranged to serial or parallel connection in elevator to be detected
In loop, the resistance value for measuring lift loop.The master controller is connected to the lift loop detection unit, for according to electricity
The resistance value in terraced loop judges the failure situation of lift loop.
According to another aspect of the present invention there is provided a kind of Elevator Fault Diagnosis method, include the electricity of measurement lift loop
The step of resistance and the step of the failure situation of lift loop is judged according to the resistance value of lift loop.
The diagnostic device and method can be easy to positioning and solution of the attendant to elevator faults；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.
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 can include lift loop detection unit and master controller 108, should
Lift loop detection unit is used for the resistance value for measuring lift loop.The master controller may be coupled to the lift loop detection
Unit, the failure situation for judging lift loop according to the resistance value of lift loop.The lift loop detection unit can be by
Serial or parallel connection is set in lift loop to be detected.In one embodiment, the device can include display unit
110, master controller 108 can will will determine that result is sent to display unit.Display unit 110 is displayed for the main control
The judged result that device 108 is sent.Master controller 108 can be arranged on the internal or external of lift car, can also be arranged on electricity
In terraced clipping room, it can also be located at remotely relative to elevator, for example, be arranged in the Control Room of elevator.
In one embodiment, as needed, memory cell 109, alarm unit 111 etc. can also be set in Control Room.
Master controller 108 can send alarm signal, with by reporting when judged result is beyond operation predetermined threshold value to alarm unit 111
Alert unit 111 notifies the Operation and Maintenance personnel of elevator.Memory cell 109 can store the judgement knot of master controller 108 with the time
Really, to provide the long-time statistical data on elevator ride quality.In addition, in one embodiment, master controller 108 passes through nothing
The mode of line communication is connected with the alarm unit 111 on remote server, display unit 110, memory cell 109, so as to
Enough it is easy to positioning and solution of the attendant to elevator faults；And the elevator brake and/or power part of elevator monitoring can be analyzed
Abrasion and the lubrication circumstances of part and the generation for predicting failure, propose maintenance warning, so that the significant trouble of elevator is prevented in not
So.
In one embodiment, the lift loop resistance detection unit of the device can include elevator door lock loop detection list
Member.Master controller may be coupled to the elevator door lock loop detection unit, can be used for entering the resistance value of elevator door lock loop
Row processing, and then judge the failure situation of lift loop.For example when loop resistance value is infinitely great, then circuit switching is damaged, sedan-chair
Railway carriage or compartment can not be run, and point out maintenance staff to be repaired；Or when resistance value is excessive (but not being open circuit conditions), such as circuit switching is ground
Damage, dust is excessive etc., and reason causes, point out maintenance staff to be maintained, prevent failure.The loop of the door lock detection unit can
To be arranged to be connected in loop of the door lock, it can also be connected in parallel in loop of the door lock.In one example, rise for greater safety
See, elevator door lock loop detection unit 102 is connected in loop of the door lock, without selecting parallel way, prevent measuring unit certainly
Body damages caused short circuit.The elevator door lock loop detection unit could be arranged to set by what own power source was powered
Using with elevator identical power supply.
In one embodiment, the device can also include the vertical speed of service detection unit of car, the master controller
The resistance value according to elevator door lock loop and the vertical speed of service of the lift car are can be also used for, whether elevator is judged
Belong to safe operation state.Here the vertical speed of service detection unit of car can be arranged on car or be done jointly with car
On the elevator components of vertical movement.It can such as detect in car, car outer wall, do dragging of moving vertically jointly with car and draw
At the positions such as system, elevator electrical apparatus control system, elevator guidance system, can be assumed that in the rate results of these position measurements is
The vertical speed of service of elevator.In one example, can connect a resistance detection unit, Ke Yiyong in elevator door lock loop
In the resistance value of measurement loop of the door lock.When with door lock shorting stub short circuit loop of the door lock it is a certain or several switch when, due to short circuit
The resistance of line and circuit switching is inconsistent so that resistance detection unit output result is different.For example, the resistance of door interlock switch is
R0, the resistance of shorting stub is R1, then threshold value a R, R can be set1≤R≤R0, when the result of loop of the door lock resistance detection unit
During less than R, it can determine whether there is a situation where short circuit in loop of the door lock；Now need to judge that elevator is in normal maintenance, here may be used
With by judge elevator whether be in idling rating, and then judge elevator whether be in safe operation state.In one example,
Can by the vertical speed of service detection unit of car, detection current car vertical direction the speed of service, when car fortune
Scanning frequency degree is beyond maintenance speed, during (maintenance speed is typically very low speed, shows that elevator is in service mode) here,
Master controller 108 sends alarm signal to alarm unit 111, notifies that alarm unit 111 is alarmed, and points out maintenance personal and multiplies
Visitor.
In one embodiment, the lift loop resistance detection unit of the device can include elevator safety loop detection list
Member.Master controller may be coupled to the elevator safety loop detection unit, can be used for entering the resistance value of elevator safety loop
Row processing, and then judge the failure situation of lift loop.For example when loop resistance value is infinitely great, then circuit switching is damaged, sedan-chair
Railway carriage or compartment can not be run, and point out maintenance staff to be repaired；Or when resistance value is excessive (but not being open circuit conditions), such as circuit switching is ground
Damage, dust is excessive etc., and reason causes, point out maintenance staff to be maintained, prevent failure.The safety return circuit detection unit can
To be arranged to be connected in safety return circuit, it can also be connected in parallel in safety return circuit.In one example, rise for greater safety
See, elevator safety loop detection unit 103 is connected in safety return circuit, without selecting parallel way, prevent measuring unit certainly
Body damages caused short circuit.The elevator safety loop detection unit could be arranged to set by what own power source was powered
Using with elevator identical power supply.
In one embodiment, the device can also include the vertical speed of service detection unit of car, the master controller
The resistance value according to elevator safety loop and the vertical speed of service of the lift car are can be also used for, whether elevator is judged
Belong to safe operation state.Here the vertical speed of service detection unit of car can be arranged on car or be done jointly with car
On the elevator components of vertical movement.It can such as detect in car, car outer wall, do dragging of moving vertically jointly with car and draw
At the positions such as system, elevator electrical apparatus control system, elevator guidance system, can be assumed that in the rate results of these position measurements is
The vertical speed of service of elevator.In one example, can connect a resistance detection unit, Ke Yiyong in elevator safety loop
In the resistance value of measurement safety return circuit.When with safe shorting stub short circuit safety return circuit it is a certain or several switch when, due to short circuit
The resistance of line and circuit switching is inconsistent so that resistance detection unit output result is different.For example, the resistance of safety switch is
R0 *, the resistance of shorting stub is R1 *, then a threshold value R can be set*, R1 *≤R*≤R0 *, when the knot of safety return circuit resistance detection unit
Fruit is less than R*When, it can determine whether there is a situation where short circuit in safety return circuit；Now need to judge that elevator is in normal maintenance, here
Can be by judging whether elevator is in idling rating, and then judge whether elevator is in safe operation state.In an example
In, can be by the vertical speed of service detection unit of car, detection current car works as car in the speed of service of vertical direction
The speed of service is beyond maintenance speed, (maintenance speed is typically a very low speed, shows that elevator is in service mode) here
When, master controller 108 sends alarm signal to alarm unit 111, notifies that alarm unit 111 is alarmed, points out maintenance personal
And passenger.
In one embodiment, the device can include band-type brake operation detection unit, can be used for detection band-type brake and move
The vibration signal of work.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
The acceleration of the open/close lock action of left and right band-type brake can be detected.Master controller 108 can be acted from the open/close lock of left and right band-type brake
Vibration signal extract left and right band-type brake open/close lock action initial time t0L、t0R、With stop timing 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.The band-type brake action delay time is
To the delay time that band-type brake is opened after motor torque, the effect of elevator internal contracting brake is when lift car is in static and motor
The electromechanical assembly for preventing elevator from moving again under power failure state.In some control forms, it can check elevator when motor is powered off.
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 runs detection unit
101 by extracting the initial time t that the open/close lock of left and right band-type brake is acted0L、t0R、With stop timing 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, whether band-type brake action deposits
Anticipation is carried out to whether elevator needs to safeguard in time in time delay, and for result above, the security and elevator dimension of elevator is improved
That protects is ageing.
In one embodiment, the acceleration a that the open/close lock detected according to acceleration vibrating sensor is acted1, it is known that
The useful frictional force that band-type brake embraces pulley is Fc=μ Fb=μm a1, wherein μ is the friction system of the grooving traction steel-cable of traction sheave
Number, FbFor band-type brake pressure, m is the quality of band-type brake.And according to lift dragging machine structure, open a sluice gate suffered i.e. useful frictional force of making a concerted effort=
Coefficient of friction * (brake force-spring force-resistance), the suffered i.e. useful frictional force=coefficient of friction * that makes a concerted effort that closes a floodgate (spring force-
Resistance).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 two
When person is not worn and torn, μ is believed that holding is constant；Therefore FcChange can be converted into acceleration a1Change.
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
Energy spectral 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 example, in the judgement for halted state of still being braked in running status to elevator, elevator switching
Detection unit can also run the acceleration vibrating sensor in detection unit to be judged using band-type brake.
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, and the vertical speed of service of lift car can be with
It is interpreted as the speed of service up and down of lift car.Detection unit is vertically run in railway carriage or compartment can be arranged on inside and outside car and can also be arranged on
Done jointly on the elevator components moved vertically with car, such as can be arranged on interior car, car outer wall, do vertical jointly with car
Dragging for directly moving is drawn at the positions such as system, elevator electrical apparatus control system, elevator guidance system, in the acceleration of these position measurements
As a result it can be assumed that it is the vertical speed of service of car.Security maintenance threshold value and early warning threshold can be set to the vertical run signal of car
Value, if during safeguarding, such as the vertical speed of service of car exceeds security maintenance threshold value, then proposes alarm, master controller 108 can
To send alarm signal to alarm unit 111；If elevator is during normal operation, the vertical speed of service of car exceeds early warning threshold
Value, excessive velocities or excessively slow then propose alarm, and such as master controller 108 sends alarm signal to alarm unit 111, reminds dimension
Guarantor person need to be safeguarded.
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 step s201 and step s202：In step s201, the resistance value of lift loop is measured.In step s202
In, the failure situation of lift loop is judged according to the resistance value of lift loop.In one example, step s202 can also include
It will determine that result is sent to display unit and shown.Pass through above-mentioned steps, it can be determined that the failure situation of lift loop, and pin
The maintenance for carrying out elevator timely to result above, improves the security of elevator, prevents trouble before it happens.
In one embodiment, the lift loop resistance value step of this method detection can include detection elevator door lock loop
Resistance value.The resistance value of elevator door lock loop can be handled, and then judge the failure situation of elevator door lock loop.Example
Such as when loop resistance value is infinitely great, then circuit switching is damaged, and car can not be run, and points out maintenance staff to be repaired；Or work as
Resistance value is excessive (but not being open circuit conditions), and the reason such as wearing and tearing circuit switching, dust is excessive causes, and points out maintenance staff to enter
Row maintenance, prevents failure.Can be by resistance detection unit by being connected on door lock time when detecting the resistance of loop of the door lock
Mode in road is measured to loop of the door lock resistance, and the mode that can also be connected in parallel in loop of the door lock is entered to loop of the door lock resistance
Row measurement.In one example, for the sake of for greater safety, used when being detected to loop of the door lock resistance value and be connected on door lock
Mode in loop, without selecting parallel way, prevents measuring unit itself short-circuit caused by damaging.
In one embodiment, this method can also include the vertical speed of service of measurement car, and according to door lock of elevator
The vertical speed of service of the resistance value in loop and the lift car, judges whether elevator belongs to safe operation state.Here
Car the vertical speed of service can be car or with car do jointly on the elevator components moved vertically vertical operation speed
Degree.It can such as detect in car, car outer wall, do dragging of moving vertically jointly with car and draw system, elevator electrical equipment control
The vertical speed of service at the positions such as system, elevator guidance system, can be assumed that it is electricity in the rate results of these position measurements
The terraced vertical speed of service.In one example, resistance detection unit can be passed through series connection when detecting the resistance of loop of the door lock
Mode in loop of the door lock is measured to loop of the door lock resistance.When a certain or some with door lock shorting stub short circuit loop of the door lock
During individual switch, because the resistance of shorting stub and circuit switching is inconsistent so that resistance detection unit output result is different.Example
Such as, the resistance of door interlock switch is R0, the resistance of shorting stub is R1, then threshold value a R, R can be set1≤R≤R0, when door lock is returned
When the result of road resistance detection unit is less than R, it can determine whether there is a situation where short circuit in loop of the door lock；Now need to judge at elevator
, here can be by judging whether elevator is in idling rating in normal maintenance, and then judge elevator whether in safety fortune
Row state.In one example, can be by the vertical speed of service detection unit of car, detection current car is in vertical direction
The speed of service, when cage operation speed is beyond maintenance speed, here (maintenance speed is typically very low speed, is shown
Elevator is in service mode) when, result can be shown and be alarmed, point out maintenance personal and passenger.
In one embodiment, the lift loop resistance value step of this method detection can include detection elevator safety loop
Resistance value.The resistance value of elevator safety loop can be handled, and then judge the failure situation of elevator safety loop.Example
Such as when loop resistance value is infinitely great, then circuit switching is damaged, and car can not be run, and points out maintenance staff to be repaired；Or work as
Resistance value is excessive (but not being open circuit conditions), and the reason such as wearing and tearing circuit switching, dust is excessive causes, and points out maintenance staff to enter
Row maintenance, prevents failure.Can be by resistance detection unit by being connected on safety time when detecting the resistance of safety return circuit
Mode in road is measured to safety return circuit resistance, and the mode that can also be connected in parallel in safety return circuit is entered to safety return circuit resistance
Row measurement.In one example, for the sake of for greater safety, used when being detected to safety return circuit resistance value and be connected on safety
Mode in loop, without selecting parallel way, prevents measuring unit itself short-circuit caused by damaging.
In one embodiment, this method can also include the vertical speed of service of measurement car, and according to elevator safety
The vertical speed of service of the resistance value in loop and the lift car, judges whether elevator belongs to safe operation state.Here
Car the vertical speed of service can be car or with car do jointly on the elevator components moved vertically vertical operation speed
Degree.It can such as detect in car, car outer wall, do dragging of moving vertically jointly with car and draw system, elevator electrical equipment control
The vertical speed of service at the positions such as system, elevator guidance system, can be assumed that it is electricity in the rate results of these position measurements
The terraced vertical speed of service.In one example, resistance detection unit can be passed through series connection when detecting the resistance of safety return circuit
Mode in safety return circuit is measured to safety return circuit resistance.When a certain or some with safe shorting stub short circuit safety return circuit
During individual switch, because the resistance of shorting stub and circuit switching is inconsistent so that resistance detection unit output result is different.Example
Such as, the resistance of safety switch is R0 *, the resistance of shorting stub is R1 *, then a threshold value R can be set*, R1 *≤R*≤R0 *, work as safety
The result of loop resistance detection unit is less than R*When, it can determine whether there is a situation where short circuit in safety return circuit；Now need to judge electricity
Whether ladder is in normal maintenance, here can be by judging whether elevator is in idling rating, and then judge elevator in peace
Full running status.In one example, can be by the vertical speed of service detection unit of car, detection current car is vertical
The speed of service in direction, speed is repaired when cage operation speed exceeds, here (maintenance speed is typically a very low speed,
Show that elevator is in service mode) when, result can be shown and be alarmed, point out maintenance personal and passenger.
In one embodiment, the vibration signal of measurement band-type brake action, the volume of elevator abnormal sound and frequency, level are shaken respectively
The result of dynamic signal and floor flat bed signal, and by the result and or result after being computed be compared with predetermined threshold value,
Alarm signal is sent when signal exceeds threshold value to be alarmed, and can carry out remote monitoring, the implementation to all kinds of situations of elevator
Elevator Fault Diagnosis method in example is capable of position and the problem of quick diagnosis elevator faults, is easy to attendant efficiently to solve to ask
The safety of topic and protection passenger-in-elevator and equipment；Also, provided alert to not breaking down, reduce the generation of elevator accident.
It will be understood by those skilled in the art that master controller 108 here can use software, hardware and/or firmware
Mode is realized.For example, in one embodiment, master controller 108 can in message processing device by programmed instruction come
Realize, these programmed instruction can be stored in the nonvolatile memory of the message processing device, and by the information
The one or more processors of processing equipment make the message processing device realize corresponding functional device when performing.These programs refer to
Order, which can be contained in, to be existed in forms such as source code, object code, intermediate codes and can be performed with compiling or interpretive mode
Executable file or APP in.In another embodiment, master controller 108 can be realized by hard-wired circuit, work(therein
Energy device can be circuit that is separate and connecting, 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 (18)
1. a kind of elevator failure diagnosis device, including：
Lift loop detection unit, the lift loop detection unit is used for the resistance value for measuring lift loop；And
Master controller, is connected to the lift loop detection unit, is used for：
When the resistance value of the lift loop is more than the first preset value, judge that the switch in the lift loop can not be used；
When the resistance value of the lift loop is more than or equal to the second preset value and is less than first preset value, judge described
There is abrasion condition in the switch in lift loop.
2. elevator failure diagnosis device according to claim 1, wherein, the lift loop resistance detection unit is set
It is serial or parallel connection in lift loop to be detected.
3. elevator failure diagnosis device according to claim 1, wherein, the lift loop resistance detection unit includes electricity
Terraced loop of the door lock detection unit, the elevator door lock loop detection unit is used for the resistance value for measuring loop of the door lock.
4. elevator failure diagnosis device according to claim 1, wherein, the lift loop resistance detection unit includes electricity
Terraced safety return circuit detection unit, the elevator safety loop detection unit is used for the resistance value for measuring safety return circuit.
5. elevator failure diagnosis device according to claim 2, wherein, the lift loop detection unit is arranged to string
It is associated in lift loop to be detected.
6. elevator failure diagnosis device according to claim 1, in addition to the vertical speed of service detection unit of car, described
The vertical speed of service detection unit of car is used for the vertical speed of service for gathering lift car.
7. elevator failure diagnosis device according to claim 1, wherein, the master controller is additionally operable to according to lift loop
Resistance value and the lift car the vertical speed of service, judge whether elevator belongs to safe operation state.
At least one of 8. elevator failure diagnosis device according to claim 1, in addition to following：
Band-type brake runs detection unit, the vibration signal for detecting band-type brake action；
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.
9. elevator failure diagnosis device according to claim 1, in addition to alarm unit, for when judged result is beyond fortune
During row predetermined threshold value, the master controller sends alarm signal to alarm unit.
10. elevator failure diagnosis device according to claim 1, in addition to display unit, the display unit are used to show
Show the judged result of the master controller output.
11. a kind of Elevator Fault Diagnosis method, including：
Measure the resistance value of lift loop；And
When the resistance value of the lift loop is more than the first preset value, judge that the switch in the lift loop can not be used；
When the resistance value of the lift loop is more than or equal to the second preset value and is less than first preset value, judge described
There is abrasion condition in the switch in lift loop.
12. Elevator Fault Diagnosis method according to claim 11, wherein, the step of the resistance value of the measurement lift loop
It is rapid to include the resistance value of measurement elevator door lock loop.
13. Elevator Fault Diagnosis method according to claim 11, wherein, the step of the resistance value of the measurement lift loop
It is rapid to include the resistance value of measurement elevator safety loop.
14. Elevator Fault Diagnosis method according to claim 11, wherein, the step of the resistance value of the measurement lift loop
It is rapid to include measuring the resistance value of lift loop by the way of detection unit is connected in lift loop.
15. Elevator Fault Diagnosis method according to claim 11, includes the vertical speed of service of collection lift car.
16. Elevator Fault Diagnosis method according to claim 11, in addition to the resistance value according to lift loop and institute
The vertical speed of service of lift car is stated, judges whether elevator belongs to safe operation state.
17. Elevator Fault Diagnosis method according to claim 11, in addition to the vibration signal, the elevator that are acted to band-type brake are different
Resonant amount is detected with least one in frequency, horizontal vibration signal and floor flat bed signal.
18. the Elevator Fault Diagnosis method according to any one in claim 11~17, in addition to following at least one
Operation：When judged result is beyond operation predetermined threshold value, alarmed；The judged result is shown.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620297215 | 2016-04-11 | ||
| CN2016202972159 | 2016-04-11 |
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| CN105800413A CN105800413A (en) | 2016-07-27 |
| CN105800413B true CN105800413B (en) | 2017-10-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610348214.7A Active CN105819295B (en) | 2016-04-11 | 2016-05-23 | Elevator failure diagnosis device, method and controller |
| CN201610348000.XA Ceased CN105800413B (en) | 2016-04-11 | 2016-05-23 | Elevator failure diagnosis device and method |
| CN201620478289.2U Ceased CN205772586U (en) | 2016-04-11 | 2016-05-23 | Elevator failure diagnosis device and the controller for Elevator Fault Diagnosis |
| CN201620478559.XU Withdrawn - After Issue CN205906840U (en) | 2016-04-11 | 2016-05-23 | Elevator failure diagnosis device |
| CN201620478017.2U Withdrawn - After Issue CN205802701U (en) | 2016-04-11 | 2016-05-23 | Elevator failure diagnosis device and the controller for Elevator Fault Diagnosis |
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| CN201620478289.2U Ceased CN205772586U (en) | 2016-04-11 | 2016-05-23 | Elevator failure diagnosis device and the controller for Elevator Fault Diagnosis |
| CN201620478559.XU Withdrawn - After Issue CN205906840U (en) | 2016-04-11 | 2016-05-23 | Elevator failure diagnosis device |
| CN201620478017.2U Withdrawn - After Issue CN205802701U (en) | 2016-04-11 | 2016-05-23 | Elevator failure diagnosis device and the controller for Elevator Fault Diagnosis |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109733968A (en) * | 2019-01-16 | 2019-05-10 | 西人马（厦门）科技有限公司 | Elevator operation monitoring method, device and equipment |
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| CN105819295B (en) * | 2016-04-11 | 2017-10-03 | 北京感瞰科技有限公司 | Elevator failure diagnosis device, method and controller |
| CN105692383B (en) * | 2016-04-11 | 2017-10-13 | 北京感瞰科技有限公司 | Elevator failure diagnosis device, method and controller |
| US11634301B2 (en) | 2017-06-05 | 2023-04-25 | Otis Elevator Company | System and method for detection of a malfunction in an elevator |
| CN107445004B (en) * | 2017-08-04 | 2023-05-16 | 北京感瞰科技有限公司 | Elevator door fault diagnosis device and method |
| CN207792401U (en) * | 2017-10-17 | 2018-08-31 | 陕西小溪机电科技有限公司 | A kind of two-shipper drag device |
| EP3599203B1 (en) | 2018-07-27 | 2022-06-15 | Otis Elevator Company | Elevator safety system |
| CN109039210A (en) * | 2018-08-16 | 2018-12-18 | 乔思淼 | A kind of rate controlling elevator of safe operation |
| EP3650388A1 (en) * | 2018-11-06 | 2020-05-13 | KONE Corporation | A method and a system for detecting a malfunction of an elevator system |
| CN109726736A (en) * | 2018-11-27 | 2019-05-07 | 西人马(西安)测控科技有限公司 | The method and system of training elevator internal contracting brake fault diagnosis model, band-type brake fault diagnosis |
| CN109580224A (en) * | 2018-12-28 | 2019-04-05 | 北京中科东韧科技有限责任公司 | Rolling bearing fault method of real-time |
| CN109896383B (en) * | 2019-01-18 | 2020-07-07 | 西人马帝言(北京)科技有限公司 | Elevator fault diagnosis method, device, equipment and computer storage medium |
| CN109704163B (en) * | 2019-01-18 | 2020-05-12 | 西人马帝言(北京)科技有限公司 | Elevator running state monitoring method and device |
| WO2020261500A1 (en) * | 2019-06-27 | 2020-12-30 | 三菱電機ビルテクノサービス株式会社 | Inspection device and inspection method |
| CN110182663A (en) * | 2019-07-03 | 2019-08-30 | 广州广日电梯工业有限公司 | The pre- diagnostic method of elevator guide shoe and pre- diagnostic system |
| CN110342363B (en) * | 2019-07-15 | 2020-09-22 | 王思存 | Method and device for testing safety performance of elevator, terminal equipment and storage medium |
| CN110451385B (en) * | 2019-08-18 | 2020-12-29 | 浙江梅轮电梯股份有限公司 | Wireless network-based elevator anti-falling Fourier transform monitoring method |
| CN114502494B (en) * | 2019-09-27 | 2023-01-10 | 三菱电机楼宇解决方案株式会社 | Elevator device and abnormality detection method |
| CN111003624B (en) * | 2019-11-07 | 2022-05-24 | 云南省特种设备安全检测研究院 | Fault diagnosis method for guide shoe of elevator |
| CN110963384B (en) * | 2019-12-20 | 2021-04-06 | 猫岐智能科技（上海）有限公司 | Elevator real-time early warning system and method based on Internet of things |
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-
2016
- 2016-05-23 CN CN201610348214.7A patent/CN105819295B/en active Active
- 2016-05-23 CN CN201610348000.XA patent/CN105800413B/en not_active Ceased
- 2016-05-23 CN CN201620478289.2U patent/CN205772586U/en not_active Ceased
- 2016-05-23 CN CN201620478559.XU patent/CN205906840U/en not_active Withdrawn - After Issue
- 2016-05-23 CN CN201620478017.2U patent/CN205802701U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109733968A (en) * | 2019-01-16 | 2019-05-10 | 西人马（厦门）科技有限公司 | Elevator operation monitoring method, device and equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105819295A (en) | 2016-08-03 |
| CN105819295B (en) | 2017-10-03 |
| CN205772586U (en) | 2016-12-07 |
| CN205802701U (en) | 2016-12-14 |
| CN105800413A (en) | 2016-07-27 |
| CN205906840U (en) | 2017-01-25 |
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