CN205652947U - Elevator failure diagnosis device and be used for elevator failure diagnosis's controller - Google Patents

Elevator failure diagnosis device and be used for elevator failure diagnosis's controller Download PDF

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Publication number
CN205652947U
CN205652947U CN201620297191.7U CN201620297191U CN205652947U CN 205652947 U CN205652947 U CN 205652947U CN 201620297191 U CN201620297191 U CN 201620297191U CN 205652947 U CN205652947 U CN 205652947U
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China
Prior art keywords
elevator
band
type brake
action
failure diagnosis
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CN201620297191.7U
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Chinese (zh)
Inventor
邓立保
聂泳忠
林梅英
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Beijing Kan Technology Co. Ltd.
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Westerners Ma (xiamen) Technology Co Ltd
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Abstract

The utility model relates to an elevator failure diagnosis device and be used for elevator failure diagnosis's controller. Elevator failure diagnosis device includes: band -type brake brake operation detecting element, band -type brake brake operation detecting element is used for detecting the vibration signal of band -type brake action, and main control unit, be connected to band -type brake brake operation detecting element for vibration signal to the band -type brake action is handled, thereby judges band -type brake brake ride quality, and send the judged result for display element. According to the utility model discloses, can carry out remote diagnosis to the elevator trouble effectively safely. The utility model also discloses a controller for elevator failure diagnosis.

Description

Elevator failure diagnosis device and the controller for Elevator Fault Diagnosis
Technical field
This utility model belongs to elevator observation and control technology field, relates more specifically to a kind of Elevator Fault Diagnosis Device and the controller for Elevator Fault Diagnosis.
Background technology
At present, the Chinese country having become elevator recoverable amount maximum in the world, and elevator safety problem Become increasingly conspicuous.Adding up according to State General Administration for Quality Supervision, from 2003 so far, the security incident of elevator is always Rank first to third in eight big class special equipments.According to statistics, many factors causing elevator safety hidden danger In, workmanship accounts for 16%, installs and accounts for 24%, and maintenance and use problem are up to 60%.Present Overhauling elevator system, needs after failure, maintainer to scene carries out breakdown judge solution Certainly.And owing to elevator faults is various and region limits, can not quickly and efficiently find and solution is asked Topic.
Summary of the invention
The elevator of newer type number may be provided with sensor when dispatching from the factory, and these sensors can detect electricity Parameter in ladder running, and export the Operation and Maintenance personnel judgement for elevator of the detected parameter Whether elevator exists fault.But, the parameter detected and the mode exporting these parameters etc. and electricity The structure of ladder, principle etc. are relevant, and different elevator manufacturers elevator model not even together may use not Same parameter.And, substantial amounts of old-fashioned elevator cannot provide such parameter the most at all.This makes The running status of supervision elevator and judge that after having an accident cause of accident etc. is the most inconvenient.
This utility model provides a kind of elevator failure diagnosis device and controller.
According to one side of the present utility model, it is provided that a kind of elevator failure diagnosis device, this elevator event The barrier diagnostic equipment includes that band-type brake runs detector unit, and described band-type brake runs detector unit and is used for The vibration signal of detection band-type brake action;And master controller, it is connected to described band-type brake and runs detection Unit, for processing the vibration signal of band-type brake action, thus judges that band-type brake runs matter Amount, and will determine that result is sent to display unit.
According to a kind of embodiment, the vibration signal of described band-type brake action includes that the open/close lock of left and right band-type brake moves Make vibration signal.
According to a kind of embodiment, band-type brake runs the acceleration that detector unit includes being arranged on band-type brake Sensor, for detecting the acceleration of the open/close lock action of left and right band-type brake.
According to a kind of embodiment, master controller is for the open/close lock action vibration signal according to left and right band-type brake Obtain initial time and the stop timing of left and right band-type brake open/close lock action, and/or obtain switching-off action letter Number pulsewidth.
According to a kind of embodiment, master controller is for obtaining by the acceleration of described open/close lock action Energy spectral density.
According to a kind of embodiment, it is single that elevator failure diagnosis device can also include that car vertically runs detection Unit, described car vertically runs detector unit for gathering the vertical speed of service of lift car.
According to a kind of embodiment, master controller can be also used for the open/close lock action according to left and right band-type brake Acceleration signal and the vertical running speed signal of described lift car, it is judged that the traction sheave of elevator Coefficient of friction between grooving and traction steel-cable.
According to a kind of embodiment, elevator failure diagnosis device can also include that elevator door lock loop detection is single Unit, described elevator door lock loop detector unit is arranged to serial or parallel connection in loop of the door lock, is used for Measure the resistance value of loop of the door lock.
According to a kind of embodiment, elevator door lock loop detector unit can be configured so that being connected on door lock returns Lu Zhong, for measuring the resistance value of loop of the door lock.
According to a kind of embodiment, elevator failure diagnosis device can also include that elevator safety loop detection is single Unit, described elevator safety loop detector unit is arranged to serial or parallel connection in safety return circuit, is used for Measure the resistance value of safety return circuit.
According to a kind of embodiment, elevator safety loop detector unit is arranged to be connected on safety return circuit In, for measuring the resistance value of safety return circuit.
According to a kind of embodiment, elevator failure diagnosis device can also include following at least one: rock Detector unit, for gathering the horizontal vibration signal of lift car;Elevator abnormal sound detector unit, is used for Gather the audio signal that elevator run duration produces;Floor flat bed detector unit, is used for measuring elevator car Railway carriage or compartment flat bed result.
According to a kind of embodiment, elevator failure diagnosis device can also include alarm unit, for when sentencing When disconnected result is beyond running quality threshold value, master controller sends alarm signal to alarm unit.
According to a kind of embodiment, display unit is positioned at remotely relative to elevator.
According to another aspect of the present utility model, it is provided that a kind of control for Elevator Fault Diagnosis Device, including receiving device, for receiving the vibration signal of the band-type brake action embracing elevator;Processing means, It is connected to described reception device, for the vibration signal of band-type brake action is processed;Judgment means, It is connected to described processing means, for judging whether elevator exists fault according to the result of described process.
According to a kind of embodiment, the vibration signal of band-type brake action includes that the open/close lock action of left and right band-type brake is shaken Dynamic signal, described processing means is about the open/close lock action vibration signal according to left and right band-type brake obtains The initial time of band-type brake open/close lock action and stop timing, and/or obtain the arteries and veins of switching-off action signal Wide.
According to a kind of embodiment, the vibration signal of band-type brake action includes the open/close lock action of left and right band-type brake Acceleration, described processing means is for obtaining energy by described acceleration is carried out Fourier transformation Spectrum density.
According to a kind of embodiment, receive device and can be also used for receiving the vertical speed of service of lift car Signal.
According to a kind of embodiment, processing means can be also used for according to described acceleration and described vertically Running speed signal, it is thus achieved that the coefficient of friction between grooving and the traction steel-cable of the traction sheave of elevator.
This diagnostic system and method can be easy to attendant to the location of elevator faults and solution;And The each several part real-time status of elevator monitoring can be analyzed and predict the generation of fault, propose maintenance warning, from And the significant trouble of elevator is prevented trouble before it happens.
Accompanying drawing explanation
By being more clearly understood from feature and advantage of the present utility model with reference to accompanying drawing, accompanying drawing is to show Meaning property and should not be construed as this utility model is carried out any restriction, in the accompanying drawings:
Fig. 1 illustrates the block diagram of an embodiment according to elevator failure diagnosis device of the present utility model;
Fig. 2 illustrates bowing of an embodiment according to band-type brake of the present utility model operation detector unit Depending on schematic diagram;
Fig. 3 illustrates an embodiment according to the controller for Elevator Fault Diagnosis of the present utility model Structural representation.
Detailed description of the invention
Feature and the exemplary embodiment of of the present utility model various aspects are described more fully below.Under In the detailed description in face, it is proposed that many details, in order to provide comprehensive reason of the present utility model Solve.But, it will be apparent to those skilled in the art that this utility model can be not required to Implement in the case of wanting some details in these details.Description to embodiment below is only In order to be better understood from of the present utility model by illustrating that example of the present utility model provides.This reality It is never limited to any concrete configuration set forth below and method with novel, but without departing from this practicality Cover any amendment of element, parts and algorithm on the premise of novel spirit, replace and improve. In the the accompanying drawings and the following description, it is shown without known structure and technology, in order to avoid this practicality Novel cause unnecessary fuzzy.
Below in conjunction with the accompanying drawings, the elevator failure diagnosis device according to this utility model embodiment is described in detail And controller.
Fig. 1 illustrates the block diagram of an embodiment according to elevator failure diagnosis device of the present utility model. As it is shown in figure 1, this elevator failure diagnosis device includes that band-type brake runs detector unit 101 and master control Device 108 processed.Band-type brake runs detector unit 101 for detecting the vibration signal of band-type brake action.Main Controller 108 is connected to band-type brake and runs detector unit 101, for believing the vibration of band-type brake action Number process, thus judge band-type brake running quality, and it is single to will determine that result is sent to display Unit 110.Display unit 110 is for showing the judged result that described master controller 108 is sent.Master control Device 108 processed can be located at lift car interiorly or exteriorly, it is also possible to is located in elevator clipping room, also Can be positioned at remotely relative to elevator, such as, be arranged in the Control Room of elevator.
In one embodiment, display unit 110 can be positioned at remotely relative to elevator.Such as, aobvious Show that unit 110 can be arranged in the Control Room of elevator.As required, Control Room can also be arranged Memory element 109, alarm unit 111 etc..Master controller 108 exceeds running quality in judged result During threshold value, alarm signal can be sent to alarm unit 111, to be notified elevator by alarm unit 111 Operation and Maintenance personnel.Memory element 109 can store the judgement knot of master controller 108 in time Really, to provide the long-time statistical data about elevator ride quality.Additionally, in one embodiment, Master controller 108 by the way of radio communication with remote server on alarm unit 111, display Unit 110, memory element 109 are connected such that it is able to be easy to attendant and determine elevator faults Position and solution;And the band-type brake that can analyze elevator monitoring runs part real-time status and predicts fault Generation, propose maintenance warning, thus the significant trouble of elevator prevented trouble before it happens.
Fig. 2 illustrates that band-type brake runs the schematic top plan view of an embodiment of detector unit.Band-type brake is stopped Car runs the vibrating sensor 1015 that detector unit 101 can include being arranged on elevator internal contracting brake.Vibration Sensor 1015 can be arranged on band-type brake lock arm 1012, such as, can be arranged on elevator internal contracting brake lock arm The upside of 1012.Vibrating sensor 1015 can also be arranged on brake shoe 1013 or the brake rubber block 1014 of band-type brake At position.
In one embodiment, the vibration signal of band-type brake action includes that the open/close lock action of left and right band-type brake is shaken Dynamic signal.Acceleration transducer can detect the acceleration of the open/close lock action of left and right band-type brake.Main control Device 108 can extract the open/close of left and right band-type brake from the vibration signal of the open/close lock action of left and right band-type brake The initial time t of lock action0L、t0RWith stop timing t1L、t1RAll right Calculate the pulsewidth Δ t of open/close lock actuating signalL、ΔtR(such as by Δ tL=t1L- t0LDeng).Master controller 108 can determine whether whether left and right band-type brake open/close lock action exists time delay.Band-type brake moves Being to the delay time opening band-type brake after motor torque as delay time, the effect of elevator internal contracting brake is to work as Lift car is in static and motor and is under power failure state the electromechanical device preventing elevator from moving again.? In some control form, it can check elevator when motor power-off.Its control mode is usually electric Time band-type brake unclamp, during dead electricity, band-type brake is held tightly.Lead to as it has been described above, band-type brake runs detector unit 101 Cross the initial time t of the open/close lock action extracting left and right band-type brake0L、t0RAnd the stop timing t1L、t1RThus effectively judge that the action of the open/close lock action of the left and right band-type brake of elevator is It is no that unanimously whether band-type brake action exists time delay, and for result above in time to elevator the need of dimension Protect and carry out anticipation, improve the safety of elevator and the ageing of elevator repair and maintenance.
In one embodiment, the open/close lock action detected according to acceleration vibrating sensor 1015 Acceleration a, it is known that the useful frictional force of pulley embraced by band-type brake is F=μ FN=μm a, wherein μ It is the coefficient of friction of the grooving traction steel-cable of traction sheave, FNFor band-type brake pressure, m is quality.And root According to lift dragging machine structure, open a sluice gate suffered i.e. useful frictional force=coefficient of friction * (brake force-bullet of making a concerted effort Spring force-resistance), suffered i.e. useful frictional force=coefficient of friction * (spring force-resistance of making a concerted effort of closing a floodgate Power).Because quality m keeps constant in above formula, coefficientoffrictionμ and steel wire rope and the surface of traction sheave Material has relation, and when the two does not occurs abrasion, μ is it is believed that keep constant;Therefore the change of F can It is converted into the change of acceleration a.
If acceleration transducer output acceleration signal is fT(t), fTT the Fourier transformation of () is FT(ω), according to Parseval's theorem, fTThe energy of (t)Wherein, G (f)=| FT(ω)|2It is referred to as energy spectral density.
F T ( ω ) = ∫ - ∞ + ∞ 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, it is thus achieved that energy Spectrum density.
Pulsewidth, energy spectral density according to left and right open/close lock are the most normal, it can be determined that band-type brake pressure The most normal, obtain band-type brake running quality.And can according to result above in time to elevator whether Need maintenance to carry out anticipation, improve the security performance of elevator.
In one embodiment, elevator failure diagnosis device also includes that car vertically runs detector unit 106, described car vertically runs detector unit 106 for gathering the vertical speed of service of lift car. Security maintenance threshold value and threshold value of warning can be set run signal vertical to car, if during Wei Huing, sedan-chair The vertical speed of service in railway carriage or compartment exceeds security maintenance threshold value, then propose alarm, and such as master controller 108 can To send alarm signal to alarm unit 111;If elevator properly functioning period, the vertical operation of car Speed exceed threshold value of warning, excessive velocities or the slowest, then propose alarm, such as master controller 108 to Alarm unit 111 sends alarm signal, reminds repair and maintenance personnel to safeguard.
In one embodiment, master controller is according to the acceleration of the open/close lock action of described left and right band-type brake Degree signal and the vertical running speed signal of lift car, it is judged that the grooving of traction sheave and traction steel wire Coefficient of friction between rope.This judgement such as can be carried out in real time.Owing to draging during motor rotation Frictional force between grooving and the traction steel-cable of running wheel, drives steel wire rope to make car relative with to recast Motion, car runs up and down along guide rail in hoistway.This frictional force F=μm a, wherein a is above-mentioned The signal of the sensor output on band-type brake, band-type brake runs detector unit can monitor the change of a in real time Changing, m is that quality keeps constant.When elevator running uses, steel wire rope and traction sheave can produce abrasion, Need to safeguard in time.The vertical speed of service of elevator is closely bound up with frictional force F, when band-type brake is normal Time, acceleration signal a is normal, then the abnormal conditions of the vertical speed of service of car can be by rubbing Coefficient μ determines.When steel wire rope and traction sheave surface abrasion cause μ value to become big, then the vertical fortune of car Line speed can be slack-off;On the contrary, if μ value diminishes, then the vertical speed of service of car can accelerate.Cause This, by monitoring the anti-size releasing μ value of the vertical speed of service of car in real time, thus can obtain steel Cord and traction sheave surface abrasion situation.In one embodiment, the vertical speed of service of car is set Put threshold value of warning.In the range of threshold value of warning, it is judged that coefficient of friction is normal, steel wire rope and traction sheave table The non-heavy wear in face;Exceeding threshold value, then send early warning, master controller 108 is to alarm unit 111 Going out alarm signal, notice alarm unit 111 is reported to the police.Repair and maintenance personnel are to steel wire rope and traction in prompting Wheel carries out maintaining, keeping in repair.The vertical speed of service of associating band-type brake acceleration and car, can comprehensive descision Band-type brake pressure, steel wire rope and traction sheave surface abrasion situation, the end that prevents from squatting, rush to summit, slip the shapes such as car Condition.
In one embodiment, elevator failure diagnosis device also includes elevator door lock loop detector unit 102, described elevator door lock loop detector unit 102 is arranged to serial or parallel connection at loop of the door lock In, for measuring the resistance value of loop of the door lock.Door lock in cage operation can be returned in the host controller The resistance value on road arranges threshold value of warning and secure threshold, and door lock of elevator is returned by described master controller 108 The result of road detector unit 102 detection compares with described threshold value of warning and secure threshold, and will Result is sent to storage and display unit 109,110, when loop resistance value exceedes threshold value of warning, sends out Going out early warning signal, the reasons such as prompting circuit switching may wear and tear, dust is too much, repair and maintenance personnel need to be carried out Maintenance, when loop resistance value infinity, then circuit switching damages, and car cannot run, repair and maintenance people Member need to keep in repair;When loop resistance value belongs to secure threshold, in conjunction with cage operation speed, work as sedan-chair When the railway carriage or compartment speed of service is beyond maintenance speed, (maintenance speed is typically a lowest speed, shows at elevator At service mode), master controller 108 sends alarm signal to alarm unit 111, and notice is reported to the police single Unit 111 reports to the police, prompting maintainer and passenger.In one embodiment, rise for greater safety Seeing, elevator door lock loop detector unit 102 is connected in loop of the door lock, and does not select parallel connection side Formula, prevents measurement module self from damaging the short circuit caused.
In one embodiment, elevator failure diagnosis device also includes elevator safety loop detector unit 103, described elevator safety loop detector unit 103 is arranged to serial or parallel connection at safety return circuit In, for measuring the resistance value of safety return circuit.Can be to safety return circuit in cage operation in master controller Resistance value threshold value of warning and secure threshold are set, described master controller 108 is to elevator safety loop The result of detector unit 103 detection compares with described threshold value of warning and secure threshold, it is possible to Send result to storage and display unit 109,110, when loop resistance value exceedes threshold value of warning, Sending early warning signal, the reasons such as prompting circuit switching may wear and tear, dust is too much, repair and maintenance personnel need to enter Row maintenance, when loop resistance value infinity, then circuit switching damages, and car cannot run, repair and maintenance Personnel need to keep in repair;When loop resistance value belongs to secure threshold, in conjunction with cage operation speed, when When cage operation speed is beyond maintenance speed, master controller 108 sends alarm signal to alarm unit 111 Number, notice alarm unit 111 is reported to the police, prompting maintainer and passenger.Additionally, according to one Embodiment, described elevator failure diagnosis device can include being positioned at long-range terminal relative to elevator, This terminal can include described storage, display unit and alarm unit, such that it is able to the peace to elevator Full loop carries out long-range monitoring.In one embodiment, elevator safety loop detector unit 103 is gone here and there Be associated in safety return circuit, and do not select parallel way, prevent measurement module self damage cause short Road.
In one embodiment, elevator failure diagnosis device also includes elevator abnormal sound detector unit 104, Described elevator abnormal sound detector unit 104 is for gathering the audio signal that elevator run duration produces, described Elevator abnormal sound detector unit such as can be arranged on the outside of car.In one embodiment, described Elevator abnormal sound detector unit can be arranged on inside the top outside car and/or elevator hoistways.
In one embodiment, audio signal is separated and extracts by master controller 108, rejects nothing With the interference of audio signal.Audio signal is the regular sound wave with voice, music and audio Frequency, amplitude of variation result carrier.According to the feature of sound wave, audio result can be categorized as rule sound Frequency and irregular sound.Wherein rule audio frequency can be divided into again voice, music and audio.Rule audio frequency It is a kind of continuously varying analog signal, can represent with a continuous print curve, referred to as sound wave.Sound Three key elements of sound are tone, loudness of a sound and tone color.Sound wave or sine wave have three important parameters: frequently Rate ω 0, amplitude A n and phase place ψ n, this most just determines the feature of audio signal.Can be according to sound Frequently the useless audio frequency of the audio signal detected rejected by the characteristic use of signal existing audio frequency separation equipment The sound that such as wind and people cause;Further, the sound sound intensity is calculated in real time.When the sound intensity exceedes setting threshold Value, provides alert;And voice data is preserved, diagnose and analyzes, check that elevator components is No abrasion and foreign body obstruction etc. are abnormal.And in time elevator is carried out the need of maintenance for result above Anticipation, prevents trouble before it happens.
In one embodiment, what elevator failure diagnosis device also included lift car rocks detector unit 105, the detector unit 105 of rocking of described lift car is believed for the horizontal vibration gathering lift car Number.In one embodiment, lift car is rocked detector unit 105 and detects by master controller 108 The empirical value of result and setting compare, and send result to storage and display unit 109,110, when horizontal vibration signal is beyond threshold range, illustrate to lead boots abrasion, guide rail out of plumb Abnormal etc. horizontal jitter relevant device.Leading boots is the portion that can slide between cage guide and car Part, such as nylon block, car can be fixed on guide rail by it, and car may only be moved up and down. Lead boots top and can also have lubricating cup, reduce the frictional force of shoe guide and guide rail.Lead boots abrasion and can cause elevator Horizontal jitter, the use safety of serious threat elevator, repair and maintenance personnel need to safeguard.Master controller 108 send alarm signal to alarm unit 111, and notice alarm unit 111 is reported to the police.
In one embodiment, elevator failure diagnosis device also includes floor flat bed detector unit 108, Described floor flat bed detector unit 108 such as measures elevator car by elevator leveling switch and tacho-pulse Railway carriage or compartment flat bed result.In one embodiment, master controller 108 is to elevator floor flat bed detector unit The result of 108 detections compares with the empirical value of setting, and master controller 108 is to alarm unit 111 send alarm signal, and notice alarm unit 111 is reported to the police.
Elevator failure diagnosis device according to the various embodiment of the application can quick diagnosis elevator faults Position and problem, it is simple to attendant efficiently solves problem and protection passenger-in-elevator and the safety of equipment;And And, provide alert to not breaking down, reduce the generation of elevator accident.Electricity according to various embodiments Ladder trouble-shooter can be suitable for for the elevator of different vendor, different model, and can add Install on old-fashioned elevator, thus allow supervision department or third party preferably to supervise the running status of elevator With determine accident responsibility.
Fig. 3 shows according to a kind of embodiment, for the example of the controller 300 of Elevator Fault Diagnosis Property structure.Controller 300 can be as the master controller 108 in Fig. 1.As it is shown on figure 3, control Device 300 can include receiving device 310, processing means 320 and judgment means 330.Receive device 310 for receiving the vibration signal of the band-type brake action of elevator.Processing means 320 is connected to receive device 310, for the vibration signal of band-type brake action is processed.Judgment means 330 is connected to process dress Put 320, for judging whether elevator exists fault according to the result of described process.As explained above with figure Described in 1, receive the vibration signal of band-type brake action that device 310 receives can include the opening of left and right band-type brake/ Feed motion vibration signal, processing means 320 can vibrate letter according to the open/close lock action of left and right band-type brake Number obtain the initial time of left and right band-type brake open/close lock action and stop timing, and/or obtain switching-off action The pulsewidth of signal.Altematively or additionally, the vibration letter of the band-type brake action that device 310 receives is received Number can also include the acceleration of the open/close lock action of left and right band-type brake, processing means 320 can be by right Described acceleration carries out Fourier transformation to obtain energy spectral density.Receive device 310 can also receive The vertical running speed signal of lift car.Processing means 320 can be according to the open/close lock of left and right band-type brake The acceleration of action and described vertical running speed signal, it is thus achieved that the grooving of the traction sheave of elevator with drag Draw the coefficient of friction between steel wire rope.Judgment means 330 can be obtained according to processing means 320 The one or more threshold values preset in result and controller 300, the band-type brake understanding elevator runs The situations such as quality, coefficient of friction between the grooving of traction sheave and traction steel-cable, to judge that elevator is No there is fault.Judged result can be to be such as sent to long-range supervision in the way of wired or wireless Terminal, for the purpose showing, store or reporting to the police.
It will be understood by those skilled in the art that controller 300 can use software, hardware and/or firmware Mode realize.Such as, in one embodiment, controller 300 can be at messaging device In realized by programmed instruction, these programmed instruction can be stored in the non-of this messaging device In volatile memory, and make when being performed by one or more processors of this messaging device This messaging device realizes receiving device, processing means and judgment means accordingly.These programs refer to Order can be contained in and exists with the form such as source code, object code, intermediate code and can be to compile Interpretive mode perform executable file or APP in.In another kind of embodiment, controller 300 Can be realized by hard-wired circuit, reception device therein, processing means and judgment means can be those This circuit that is discrete and that connect, it is also possible to integrate.
It should be noted that, in the claims, word " comprises " or " including " is not precluded from existing not Arrange element in the claims or assembly.It is positioned at the article " " or " before element or assembly Individual " also it is not precluded from there is multiple such element or the situation of assembly.
Furthermore, it should also be noted that the language used in this specification is primarily to readable and teaching Purpose and select rather than select to explain or limit theme of the present utility model. Therefore, in the case of without departing from the scope of the appended claims and spirit, for the art Those of ordinary skill for many modifications and changes will be apparent from.About of the present utility model Scope, the description done in description is all illustrative and not restrictive, of the present utility model Scope is defined by the appended claims.

Claims (19)

1. an elevator failure diagnosis device, including:
Band-type brake runs detector unit, and described band-type brake runs detector unit for detecting the vibration signal of band-type brake action;And
Master controller, is connected to described band-type brake and runs detector unit, for processing the vibration signal of band-type brake action, thus judges band-type brake running quality, and will determine that result is sent to display unit.
Elevator failure diagnosis device the most according to claim 1, wherein, the vibration signal of described band-type brake action includes the open/close lock action vibration signal of left and right band-type brake.
Elevator failure diagnosis device the most according to claim 2, wherein, described band-type brake runs the acceleration transducer that detector unit includes being arranged on band-type brake, for detecting the acceleration of the open/close lock action of left and right band-type brake.
Elevator failure diagnosis device the most according to claim 2, wherein, described master controller obtains initial time and the stop timing of left and right band-type brake open/close lock action for the open/close lock action vibration signal according to left and right band-type brake, and/or obtains the pulsewidth of switching-off action signal.
Elevator failure diagnosis device the most according to claim 3, wherein, described master controller is for obtaining energy spectral density by the acceleration of described open/close lock action.
Elevator failure diagnosis device the most according to claim 1, wherein, also includes that car vertically runs detector unit, and described car vertically runs detector unit for gathering the vertical speed of service of lift car.
Elevator failure diagnosis device the most according to claim 6, wherein, described master controller is additionally operable to acceleration signal and the vertical running speed signal of described lift car of the open/close lock action according to left and right band-type brake, it is judged that the coefficient of friction between grooving and the traction steel-cable of the traction sheave of elevator.
Elevator failure diagnosis device the most according to claim 1, wherein, also includes that elevator door lock loop detector unit, described elevator door lock loop detector unit are arranged to serial or parallel connection in loop of the door lock, for measuring the resistance value of loop of the door lock.
Elevator failure diagnosis device the most according to claim 8, wherein, described elevator door lock loop detector unit is arranged to be connected in loop of the door lock, for measuring the resistance value of loop of the door lock.
Elevator failure diagnosis device the most according to claim 1, wherein, also includes that elevator safety loop detector unit, described elevator safety loop detector unit are arranged to serial or parallel connection in safety return circuit, for measuring the resistance value of safety return circuit.
11. elevator failure diagnosis devices according to claim 10, wherein, described elevator safety loop detector unit is arranged to be connected in safety return circuit, for measuring the resistance value of safety return circuit.
12. elevator failure diagnosis devices according to claim 1, also include following at least one:
Rock detector unit, for gathering the horizontal vibration signal of lift car;
Elevator abnormal sound detector unit, for gathering the audio signal that elevator run duration produces;And
Floor flat bed detector unit, is used for measuring elevator cabin flat level result.
13. elevator failure diagnosis devices according to claim 1, also include alarm unit, and for when judged result is beyond running quality threshold value, master controller sends alarm signal to alarm unit.
14. elevator failure diagnosis devices according to claim 1, wherein, described display unit is positioned at remotely relative to elevator.
15. 1 kinds of controllers for Elevator Fault Diagnosis, including:
Receive device, for receiving the vibration signal of the band-type brake action embracing elevator;
Processing means, is connected to described reception device, for processing the vibration signal of band-type brake action;
Judgment means, is connected to described processing means, for judging whether elevator exists fault according to the result of described process.
16. controllers for Elevator Fault Diagnosis according to claim 15, wherein, the vibration signal of band-type brake action includes the open/close lock action vibration signal of left and right band-type brake, described processing means obtains initial time and the stop timing of left and right band-type brake open/close lock action for the open/close lock action vibration signal according to left and right band-type brake, and/or obtains the pulsewidth of switching-off action signal.
17. controllers for Elevator Fault Diagnosis according to claim 15, wherein, the vibration signal of band-type brake action includes the acceleration of the open/close lock action of left and right band-type brake, and described processing means is for obtaining energy spectral density by described acceleration is carried out Fourier transformation.
18. controllers for Elevator Fault Diagnosis according to claim 17, wherein, described reception device is additionally operable to receive the vertical running speed signal of lift car.
19. controllers for Elevator Fault Diagnosis according to claim 18, wherein, described processing means is additionally operable to according to described acceleration and described vertical running speed signal, it is thus achieved that the coefficient of friction between grooving and the traction steel-cable of the traction sheave of elevator.
CN201620297191.7U 2016-04-11 2016-04-11 Elevator failure diagnosis device and be used for elevator failure diagnosis's controller Withdrawn - After Issue CN205652947U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105692383A (en) * 2016-04-11 2016-06-22 西人马(厦门)科技有限公司 Elevator fault diagnosis device and method and controller
CN106315335A (en) * 2016-10-26 2017-01-11 日立电梯(中国)有限公司 Automatic resetting device of speed limiter
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

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105692383A (en) * 2016-04-11 2016-06-22 西人马(厦门)科技有限公司 Elevator fault diagnosis device and 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
CN106315335A (en) * 2016-10-26 2017-01-11 日立电梯(中国)有限公司 Automatic resetting device of speed limiter
CN106315335B (en) * 2016-10-26 2019-09-13 日立电梯(中国)有限公司 A kind of limiter of speed automatic reset device
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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