CN205906840U - Elevator failure diagnosis device - Google Patents

Elevator failure diagnosis device Download PDF

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Publication number
CN205906840U
CN205906840U CN201620478559.XU CN201620478559U CN205906840U CN 205906840 U CN205906840 U CN 205906840U CN 201620478559 U CN201620478559 U CN 201620478559U CN 205906840 U CN205906840 U CN 205906840U
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CN
China
Prior art keywords
elevator
detector unit
loop
lift
failure diagnosis
Prior art date
Application number
CN201620478559.XU
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Chinese (zh)
Inventor
邓立保
聂泳忠
林梅英
Original Assignee
北京感瞰科技有限公司
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Priority to CN201620297215 priority Critical
Priority to CN2016202972159 priority
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/02Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/0006Monitoring devices or performance analysers
    • B66B5/0018Devices monitoring the operating condition of the elevator system
    • B66B5/0025Devices monitoring the operating condition of the elevator system for maintenance or repair
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B3/00Applications of devices for indicating or signalling operating conditions of elevators
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/0006Monitoring devices or performance analysers
    • B66B5/0018Devices monitoring the operating condition of the elevator system
    • B66B5/0031Devices monitoring the operating condition of the elevator system for safety reasons

Abstract

The utility model relates to an elevator failure diagnosis device. This elevator failure diagnosis device includes elevator return circuit detecting element and main control unit, and this elevator return circuit detecting element is used for measuring the resistance value in elevator return circuit. This main control unit is connected to this elevator return circuit detecting element for the trouble condition in elevator return circuit is judged according to the resistance value in elevator return circuit.

Description

Elevator failure diagnosis device
Technical field
This utility model belongs to elevator observation and control technology field, relates more specifically to a kind of elevator failure diagnosis device.
Background technology
At present, China has become 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 rank first to third in eight big class special equipments always of elevator.According to Statistics, in many factors leading to elevator safety hidden danger, workmanship accounts for 16%, installs and accounts for 24%, and maintains and use problem Up to 60%.Present overhauling elevator system, needs after failure, to carry out breakdown judge solution by maintainer to scene Certainly.And because elevator faults are various and regional limitation, can not quickly and efficiently find and solve problem.
Can safely run for guarantee elevator, equipped with many safety components on elevator.Only each safety component exists In the case of normal, elevator could run, and otherwise elevator is out of service immediately.So-called safety return circuit is it is simply that in each safety of elevator Part is equipped with a safety switch, the series connection of all of safety switch, controls a safety relay.Only all safety opens Close all in the case of connecting, safety relay adhesive, elevator could obtain electric operation.General elevator safety loop includes phase sequence to be protected Protect touching of 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 cannot travel, even being just expert at The elevator sailed also therefore Brake stop.
And could must run after whole doors are closed for guarantee elevator, every fan hall door and gate are equipped with an electricity Gas interlocking switch.Only must be turned on i.e. all door electric interlocks in loop of the door lock to switch in the case of being all turned on, control The door lock relay of screen can adhesive, elevator could run.Door lock assembly is that in elevator, consumption is very big, the very high peace of safety coefficient Total event.Only car place floor layer door can be unlocked, and remainder layer door does not allow to be unlocked.
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 for the Operation and Maintenance personnel of elevator judge elevator whether there is fault.But, institute The parameter of detection and export that the structure of mode of these parameters etc. and elevator, principle etc. are relevant, different elevator manufacturers is even Different elevator models may be using different parameters.And, substantial amounts of old-fashioned elevator even cannot provide such ginseng at all Number.This makes to supervise the running status of elevator and judges that after having an accident cause of accident etc. is very inconvenient.And it is this kind of newer The loop detector structure of the elevator of model is complex, and the device of neither one simple and effective detection lift loop Or method, this also makes to carry out synthesis with reference to other elevator operating index to lift running safety using lift loop safety index Judge there is larger difficulty.
A kind of situation is 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 job demand 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, do not open 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 there are other artificial short circuit safety return circuits, then elevator can be led 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 to guarantee under inspecting state, in control System screen separately short circuit hall door lock and car door lock, separates hall door part or gate partial fault;Guarantee under inspecting state, short circuit Hall door lock loop, runs elevator with inspection speed.When maintenance terminates, must first take down door lock shorting stub, can be extensive by elevator Arrive express state again.If in maintenance, not 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 lead to elevator in short circuit door lock Loop, is also run with fast vehicle speed, this is breakneck.
This utility model provides a kind of elevator failure diagnosis device.
According to one side of the present utility model, there is provided a kind of elevator failure diagnosis device, this elevator failure diagnosis device Including lift loop detector unit and master controller, this lift loop detector unit is arranged to serial or parallel connection to be detected In lift loop, for measuring the resistance value of lift loop.This master controller is connected to this lift loop detector unit, for root Judge the failure condition of lift loop according to the resistance value of lift loop.
According to one side of the present utility model, this lift loop resistance detection unit is arranged to serial or parallel connection to be checked In the lift loop surveyed.
According to one side of the present utility model, it is single that this lift loop resistance detection unit includes elevator door lock loop detection Unit, described elevator door lock loop detector unit is used for measuring the resistance value of loop of the door lock.
According to one side of the present utility model, it is single that this lift loop resistance detection unit includes elevator safety loop detection Unit, this elevator safety loop detector unit is used for measuring the resistance value of safety return circuit.
According to one side of the present utility model, this lift loop detector unit is arranged to be connected on elevator to be detected returns Lu Zhong.
According to one side of the present utility model, this device also includes car vertical speed of service detector unit, and this car hangs down Straight speed of service detector unit is used for gathering the vertical speed of service of lift car.
According to one side of the present utility model, this master controller is additionally operable to resistance value and this elevator according to lift loop The vertical speed of service of car, judges whether elevator belongs to safe operation state.
According to one side of the present utility model, this device also includes at least one detector unit following: band-type brake runs Detector unit, for detecting the vibration signal of band-type brake action;Rock detector unit, the horizontal vibration for gathering lift car is believed Number;Elevator abnormal sound detector unit, for gathering the audio signal of elevator run duration generation;And floor flat bed detector unit, For measuring elevator cabin flat level result.
According to one side of the present utility model, this device also includes alarm unit, for running in advance when judged result exceeds If during threshold value, this master controller sends alarm signal to alarm unit.
According to one side of the present utility model, this device also includes display unit, and this display unit is used for showing described master The judged result of controller output
This diagnostic equipment can be easy to attendant to the positioning of elevator faults and solution;And elevator monitoring can be analyzed Each several part real-time status and predict the generation of fault, propose maintenance warning, thus the significant trouble of elevator is prevented trouble before it happens.
Brief description
Feature and advantage of the present utility model can be more clearly understood from by reference to accompanying drawing, accompanying drawing be schematic and not It is interpreted as carrying out any restriction to this utility model, in the accompanying drawings:
Fig. 1 illustrates the block diagram of an embodiment according to elevator failure diagnosis device of the present utility model.
Specific embodiment
Feature and the exemplary embodiment of of the present utility model various aspects are described more fully below.Retouch in detail in following It is proposed that many details in stating, to provide to comprehensive understanding of the present utility model.But, for people in the art It will be apparent that this utility model can be implemented in the case of some details in not needing these details for member. Below the description of embodiment is used for the purpose of providing to of the present utility model more preferable by illustrating example of the present utility model Understanding.This utility model is never limited to any concrete configuration set forth below and method, but new without departing from this practicality Any modification, replacement and the improvement of element, part and algorithm is covered on the premise of the spirit of type.In accompanying drawing and explained below In, it is shown without known structure and technology, to avoid this utility model is caused with unnecessary obscuring.
Below in conjunction with the accompanying drawings, describe the elevator failure diagnosis device according to this utility model embodiment in detail.
Fig. 1 illustrates the block diagram of an embodiment according to elevator failure diagnosis device of the present utility model.
As shown in figure 1, this elevator failure diagnosis device can include lift loop detector unit and master controller 108, should Lift loop detector unit is used for measuring the resistance value of lift loop.This master controller may be coupled to described lift loop detection Unit, for judging the failure condition of lift loop according to the resistance value of lift loop.This lift loop detector unit can be by It is set to serial or parallel connection in lift loop to be detected.In one embodiment, this device can include display unit 110, master controller 108 just judged result can be sent to display unit.Display unit 110 is displayed for this main control The judged result that device 108 is sent.Master controller 108 can be arranged on the internal or external of lift car it is also possible to be arranged on electricity In terraced clipping room, can also be located at respect to elevator long-range, for example, be arranged in the Control Room of elevator.
In one embodiment, as needed, memory element 109, alarm unit 111 etc. can also be set in Control Room. Master controller 108, when judged result exceeds and runs predetermined threshold value, can send alarm signal to alarm unit 111, with by reporting Alert unit 111 notifies the Operation and Maintenance personnel of elevator.Memory element 109 can store the judgement knot of master controller 108 in time Really, to provide the long-time statistical data with regard to elevator ride quality.Additionally, in one embodiment, master controller 108 passes through no The mode of line communication is connected with the alarm unit 111 on remote server, display unit 110, memory element 109, so as to Enough it is easy to attendant to the positioning of elevator faults and solution;And elevator brake and/or the power part of elevator monitoring can be analyzed The abrasion of part and lubrication circumstances and predict the generation of fault, maintenance warning is proposed, thus the significant trouble of elevator is prevented in not So.
In one embodiment, the lift loop resistance detection unit of this device can include elevator door lock loop detection list Unit.Master controller may be coupled to this elevator door lock loop detector unit, can be used for the resistance value of elevator door lock loop is entered Row is processed, and then judges the failure condition of lift loop.For example when loop resistance value is infinitely great, then circuit switching damages, sedan-chair Railway carriage or compartment cannot be run, and points out repair and maintenance personnel to be keeped in repair;Or work as resistance value excessive (but not being open circuit conditions), such as circuit switching mill Damage, dust is excessive etc., and reason leads to, point out repair and maintenance personnel to be maintained, prevent fault.This loop of the door lock detector unit can To be arranged to be connected in loop of the door lock it is also possible to be connected in parallel in loop of the door lock.In one example, rise for greater safety See, elevator door lock loop detector unit 102 is connected in loop of the door lock, and does not select parallel way, prevent measuring unit certainly The short circuit that body damage causes.What this elevator door lock loop detector unit was disposed through that own power source powers can also be arranged Using with elevator identical power supply.
In one embodiment, this device can also include the vertical speed of service detector unit of car, this master controller Can be also used for resistance value according to elevator door lock loop and the vertical speed of service of described lift car, whether judge elevator Belong to safe operation state.The vertical speed of service detector unit of car here can be arranged on car or jointly do with car On the elevator components of vertical movement.Such as can detect in car, car outer wall and car jointly do dragging of moving vertically 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 in elevator door lock loop a resistance detection unit, Ke Yiyong Resistance value in measurement loop of the door lock.When with door lock shorting stub short circuit loop of the door lock a certain or several switch when, due to short circuit Line is inconsistent with the resistance of circuit switching 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 r, r can be set1≤r≤r0, when the result of loop of the door lock resistance detection unit During less than r, can determine whether the situation that there is short circuit in loop of the door lock;Now need to judge that elevator is in normal maintenance, here may be used With by judging whether elevator is in idling rating, and then judge whether elevator is in safe operation state.In one example, The vertical speed of service detector unit of car can be passed through, detect the speed of service in vertical direction for the current car, when car fortune Scanning frequency degree exceeds maintenance speed, during (a maintenance speed typically very low speed, show that elevator is in service mode) here, Master controller 108 sends alarm signal to alarm unit 111, notifies alarm unit 111 to be reported to the police, points out maintainer and take advantage of Visitor.
In one embodiment, the lift loop resistance detection unit of this device can include elevator safety loop detection list Unit.Master controller may be coupled to this elevator safety loop detector unit, can be used for the resistance value of elevator safety loop is entered Row is processed, and then judges the failure condition of lift loop.For example when loop resistance value is infinitely great, then circuit switching damages, sedan-chair Railway carriage or compartment cannot be run, and points out repair and maintenance personnel to be keeped in repair;Or work as resistance value excessive (but not being open circuit conditions), such as circuit switching mill Damage, dust is excessive etc., and reason leads to, point out repair and maintenance personnel to be maintained, prevent fault.This safety return circuit detector unit can To be arranged to be connected in safety return circuit it is also possible to be connected in parallel in safety return circuit.In one example, rise for greater safety See, elevator safety loop detector unit 103 is connected in safety return circuit, and does not select parallel way, prevent measuring unit certainly The short circuit that body damage causes.What this elevator safety loop detector unit was disposed through that own power source powers can also be arranged Using with elevator identical power supply.
In one embodiment, this device can also include the vertical speed of service detector unit of car, this master controller Can be also used for resistance value according to elevator safety loop and the vertical speed of service of described lift car, whether judge elevator Belong to safe operation state.The vertical speed of service detector unit of car here can be arranged on car or jointly do with car On the elevator components of vertical movement.Such as can detect in car, car outer wall and car jointly do dragging of moving vertically 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 in elevator safety loop a resistance detection unit, Ke Yiyong Resistance value in measurement safety return circuit.When with safe shorting stub short circuit safety return circuit a certain or several switch when, due to short circuit Line is inconsistent with the resistance of circuit switching 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 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, can determine whether the situation that there is short circuit in safety return circuit;Now need to judge that elevator is in normal maintenance, here By judging whether elevator is in idling rating, and then can judge whether elevator is in safe operation state.In an example In, the vertical speed of service detector unit of car can be passed through, detection current car, in the speed of service of vertical direction, works as sedan-chair The railway carriage or compartment speed of service exceeds maintenance speed, here (a maintenance speed typically very low speed, shows that elevator is in maintenance shape State) when, master controller 108 sends alarm signal to alarm unit 111, notifies alarm unit 111 to be reported to the police, points out maintenance people Member and passenger.
In one embodiment, this device can include band-type brake operation detector unit, can be used for detecting that band-type brake moves The vibration signal made.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 from the open/close lock action of left and right band-type brake Vibration signal extract left and right band-type brake open/close lock action initial time t0l、t0rWith stop timing t1l、 t1rThe 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 It is that the effect of elevator internal contracting brake is when lift car is at static and motor to the delay time opening band-type brake after motor torque The electromechanical device that elevator moves again is prevented under power failure state.In some control forms, it can check electricity in motor power-off Ladder.Its control mode be usually electric when band-type brake unclamp, during dead electricity band-type brake hold tightly.As described above, band-type brake runs detection Unit 101 is by extracting the initial time t of the open/close lock action of left and right band-type brake0l、t0rWith stop timing t1l、 t1rThus whether unanimously effectively judging the action of the open/close lock action of the left and right band-type brake of elevator, band-type brake action is No have time delay, and carries out anticipation to elevator the need of maintenance in time for result above, improves safety and the electricity of elevator Terraced repair and maintenance ageing.
In one embodiment, the acceleration a of the open/close lock action being detected according to acceleration vibrating sensor1It is known that The useful frictional force that pulley embraced by band-type brake 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 make a concerted effort i.e. useful frictional force= Coefficient of friction * (brake force-spring force-resistance), close a floodgate suffered make a concerted effort i.e. useful frictional force=coefficient of friction * (spring force- Resistance).Because quality m keeps constant in above formula, coefficientoffrictionμ has relation, when two with the Facing material of steel wire rope and traction sheave When person does not occur abrasion, μ is believed that holding is constant;Therefore fcChange can be converted into acceleration a1Change.
If acceleration transducer output acceleration signal is ft(t), ftT the Fourier transformation of () is ft(ω), according to handkerchief plug Wa Er theorem, ftThe energy of (t)Wherein, g (f)=| ft(ω)|2Referred to as Energy spectral density.
f t ( ω ) = &integral; - ∞ + ∞ f t ( t ) e - i w t d t
Therefore,
Therefore to institute's measuring acceleration value, can be quadratured by such as Fourier transformation mode, obtain energy spectral density.
According to the pulsewidth of left and right open/close lock, whether energy spectral density is normal 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 elevator the need of maintenance in time according to result above, improve elevator Security performance.In one example, elevator is in running status still brake halted state judgement in, elevator switching The acceleration vibrating sensor that detector unit can also be run using band-type brake in detector unit is judged.
In one embodiment, elevator failure diagnosis device also includes car and vertically runs detector unit 106, described car Vertical detector unit 106 of running is used for gathering the vertical speed of service of lift car, and the vertical speed of service of lift car is permissible It is interpreted as the speed of service up and down of lift car.Railway carriage or compartment is vertically run detector unit and can be arranged on and can also be arranged on inside and outside car Jointly do on the elevator components moving vertically with car, such as can be arranged in car, car outer wall and car jointly do vertical Straight dragging of motion is drawn at the positions such as system, elevator electrical apparatus control system, elevator guidance system, in the acceleration of these position measurements It is the vertical speed of service of car that result can be assumed that.Security maintenance threshold value and early warning threshold can be set vertical run signal to car Value, if during safeguarding, the vertical speed of service of car exceeds security maintenance threshold value, then propose alarm, for example master controller 108 can To send alarm signal to alarm unit 111;If elevator during normal operation, the vertical speed of service of car exceeds early warning threshold Value, excessive velocities or excessively slow, then alarm is proposed, 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 detector unit 104, described elevator abnormal sound Detector unit 104 is used for gathering the audio signal of elevator run duration generation, and described elevator abnormal sound detector unit for example can set Put the outside in car.In one embodiment, described elevator abnormal sound detector unit can be arranged on the top outside car And/or inside elevator hoistways.
In one embodiment, master controller 108 is separated to audio signal and is extracted, and rejects useless audio signal Interference.Audio signal is the frequency of the regular sound wave with voice, music and audio, amplitude of variation result carrier.According to The feature of sound wave, can be categorized as regular audio frequency and irregular sound audio result.Wherein regular audio frequency can be divided into again voice, Music and audio.Regular audio frequency 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 an With phase place ψ n, this also just determines the feature of audio signal.Can be separated according to the existing audio frequency of the characteristic use of audio signal The sound that useless the audio frequency such as wind and people of the audio signal that equipment rejecting detects causes;And, the real-time calculating sound sound intensity. When the sound intensity exceedes given threshold, provide alert;And voice data is preserved, diagnosed and is analyzed, checked that elevator components are No abrasion and foreign body obstruction etc. are abnormal.And in time the need of maintenance, anticipation is carried out to elevator for result above, prevent in not So.
In one embodiment, what elevator failure diagnosis device also included lift car rocks detector unit 105, described electricity The detector unit 105 of rocking of terraced car is used for gathering the horizontal vibration signal of lift car.In one embodiment, master controller The result rocking detector unit 105 detection of 108 pairs of lift cars is compared with the empirical value setting, 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 Abnormal etc. horizontal jitter relevant device.Lead the part that can slide that boots are between cage guide and car, such as nylon block, it Car can be fixed on guide rail, car may only be moved up and down.Leading boots top can also have lubricating cup, reduce shoe guide and lead The frictional force of rail.Lead the horizontal jitter that boots abrasion can lead to elevator, the serious use safety threatening elevator, repair and maintenance personnel need to be carried out Safeguard.Master controller 108 sends alarm signal to alarm unit 111, notifies alarm unit 111 to be reported to the police.
In one embodiment, elevator failure diagnosis device also includes floor flat bed detector unit 108, described floor flat bed Detector unit 108 for example passes through elevator leveling switch and tacho-pulse measures elevator cabin flat level result.In one embodiment, The result that master controller 108 detects to elevator floor flat bed detector unit 108 is compared with the empirical value setting, main control Device 108 sends alarm signal to alarm unit 111, notifies alarm unit 111 to be reported to the police.
Elevator failure diagnosis device according to the various embodiment of the application is capable of the position of quick diagnosis elevator faults and is asked Topic, is easy to the efficient solve problem of attendant and the safety of protection passenger-in-elevator and equipment;And, propose pre- to not breaking down Alert, reduce the generation of elevator accident.Elevator failure diagnosis device according to various embodiments is for different vendor, different model Elevator can be suitable for, and can be attached on old-fashioned elevator, thus allowing supervision department or third party preferably to supervise electricity The running status of ladder and determination accident responsibility.
It will be understood by those skilled in the art that master controller 108 here can be using software, hardware and/or firmware Mode is realizing.For example, in one embodiment, master controller 108 can in messaging device by programmed instruction Lai Realize, these programmed instruction can be stored in the nonvolatile memory of this messaging device, and by this information This messaging device is made to realize corresponding functional device during the one or more processors execution of processing equipment.These programs refer to Order can be contained in be existed with forms such as source code, object code, intermediate codes and can be executed with compiling or interpretive mode Executable file or app in.In another kind of embodiment, master controller 108 can be realized by hard-wired circuit, work(therein Can device can be circuit that is separate and connecting it is also possible to integrate.
It should be noted that in the claims, it is not precluded from word "comprising" or " inclusion " existing not listed in the claims Element or assembly.Article "a" or "an" before element or assembly is also not precluded from there are multiple such elements Or the situation of assembly.
Furthermore, it should also be noted that used in this specification language primarily to the purpose of readable and teaching and select Select, rather than select to explain or limit theme of the present utility model.Therefore, without departing from claims In the case of the scope and spirit of book, for those skilled in the art many modifications and changes be all aobvious and It is clear to.With regard to scope of the present utility model, describing done in description is all illustrative and not restrictive, this reality It is defined by the appended claims with new scope.

Claims (10)

1. a kind of elevator failure diagnosis device, is characterized in that, comprising:
Lift loop detector unit, described lift loop detector unit is used for measuring the resistance value of lift loop;And
Master controller, is connected to described lift loop detector unit, judges lift loop for the resistance value according to lift loop Failure condition.
2. elevator failure diagnosis device according to claim 1, is characterized in that, wherein, described lift loop detector unit It is arranged to serial or parallel connection in lift loop to be detected.
3. elevator failure diagnosis device according to claim 1, is characterized in that, wherein, described lift loop detector unit Including elevator door lock loop detector unit, described elevator door lock loop detector unit is used for measuring the resistance value of loop of the door lock.
4. elevator failure diagnosis device according to claim 1, is characterized in that, wherein, described lift loop detector unit Including elevator safety loop detector unit, described elevator safety loop detector unit is used for measuring the resistance value of safety return circuit.
5. elevator failure diagnosis device according to claim 2, is characterized in that, wherein, described lift loop detector unit It is arranged to be connected in lift loop to be detected.
6. elevator failure diagnosis device according to claim 1, is characterized in that, also includes the detection of the car vertical speed of service Unit, the vertical speed of service detector unit of described car is used for gathering the vertical speed of service of lift car.
7. elevator failure diagnosis device according to claim 1, is characterized in that, wherein, described master controller is additionally operable to root According to the resistance value of lift loop and the vertical speed of service of described lift car, judge whether elevator belongs to safe operation shape State.
8. elevator failure diagnosis device according to claim 1, is characterized in that, also include following at least one:
Band-type brake runs detector unit, for detecting the vibration signal of band-type brake action;
Rock detector unit, for gathering the horizontal vibration signal of lift car;
Elevator abnormal sound detector unit, for gathering the audio signal of elevator run duration generation;And
Floor flat bed detector unit, for measuring elevator cabin flat level result.
9. elevator failure diagnosis device according to claim 1, is characterized in that, also includes alarm unit, for when judgement When result exceeds operation predetermined threshold value, described master controller sends alarm signal to alarm unit.
10. elevator failure diagnosis device according to claim 1, is characterized in that, also includes display unit, described display list Unit is for showing the judged result of described master controller output.
CN201620478559.XU 2016-04-11 2016-05-23 Elevator failure diagnosis device CN205906840U (en)

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CN201620297215 2016-04-11
CN2016202972159 2016-04-11

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CN201620478289.2U CN205772586U (en) 2016-04-11 2016-05-23 Elevator failure diagnosis device and the controller for Elevator Fault Diagnosis
CN201620478017.2U CN205802701U (en) 2016-04-11 2016-05-23 Elevator failure diagnosis device and the controller for Elevator Fault Diagnosis
CN201610348214.7A CN105819295B (en) 2016-04-11 2016-05-23 Elevator failure diagnosis device, method and controller
CN201610348000.XA CN105800413B (en) 2016-04-11 2016-05-23 Elevator failure diagnosis device and method
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CN201620478017.2U CN205802701U (en) 2016-04-11 2016-05-23 Elevator failure diagnosis device and the controller for Elevator Fault Diagnosis
CN201610348214.7A CN105819295B (en) 2016-04-11 2016-05-23 Elevator failure diagnosis device, method and controller
CN201610348000.XA CN105800413B (en) 2016-04-11 2016-05-23 Elevator failure diagnosis device and method

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