CN104444682A - Method for detecting and predicating elevator landing door lock fault - Google Patents
Method for detecting and predicating elevator landing door lock fault Download PDFInfo
- Publication number
- CN104444682A CN104444682A CN201410632967.1A CN201410632967A CN104444682A CN 104444682 A CN104444682 A CN 104444682A CN 201410632967 A CN201410632967 A CN 201410632967A CN 104444682 A CN104444682 A CN 104444682A
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- door lock
- resistance value
- layer door
- lock contact
- resistance
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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
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- Elevator Control (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
- Indicating And Signalling Devices For Elevators (AREA)
Abstract
The invention discloses a method for detecting and predicating an elevator landing door lock fault. The method includes the steps that a resistance detection module used for detecting the resistance value of a landing door lock contact is integrated on a control board of a calling landing device of each landing, the resistance detection module of each floor detects the resistance value of the landing door lock contact of the floor and transmits the detected resistance value of the landing door lock contact to an elevator control system through the corresponding calling landing device of the landing and an original communication system of the elevator control system, the elevator control system monitors the resistance value of the landing door lock contact of each floor in real time, and when the resistance value of the landing door lock contact of each floor deviates from a normal value, a corresponding fault judgment is made. The method has the advantages that the problem that some faults need to be traced for a long time so as to be found out is solved, labor cost is saved, and repair efficiency is improved.
Description
Technical field
The present invention relates to elevator faults method of inspection technical field, particularly relate to a kind of method detecting and predict elevator landing door lock fault.
Background technology
Elevator bring various simultaneously easily, also lie dormant a lot of hidden danger, elevator faults is of a great variety, and in use, latch failure is an important fault to current elevator, closely bound up with the safe operation of elevator, but the contact of layer door lock is substantially all by hand inspection at present, is difficult to the fault finding in advance to be about to there will be, waits and occur latch failure, because the contact of layer door lock is all cascaded, often door lock carries out investigation and can compare and waste time and energy from level to level.
For this reason, the patent No. is a kind of elevator faults door lock system for rapidly identifying disclosed in the Chinese patent of 201220356852.0, the car door lock switch and the door lock contactless switch that comprise each layer of elevator form series loop, respectively by power supply signal gathering line link address submodule on each car door lock switch in described series loop, each address submodule is connected to the total module in address by 485 module transfer.This system utilizes address submodule to judge that the door lock of which layer breaks down, and improves the efficiency of maintenance.But the cost that every one deck increases address submodule and the total module in address is higher, and this system only can detect the door lock broken down, and can not predict latch failure.
Again such as, the patent No. is a kind of elevator exceptional fault acquisition analysis system disclosed in the Chinese patent of 201220356851.6, it is characterized in that: each signal control point in elevator control cabinet connects collection circuit, be connected respectively to data handler, by network sending module and Control Room client's side link after data processor processes, gather the voltage and current signal of each signal control point in elevator control cabinet, judge whether et out of order by the break-make of signal.This system judges whether et out of order by the break-make of the voltage and current signal of each signal control point, and this system can not predict latch failure.
For this reason, applicant carried out useful exploration and trial, have found can detection layers door lock fault, and can the method for prediction interval door lock fault, and technical scheme described below produces under this background.
Summary of the invention
Technical matters to be solved by this invention: a kind of method detecting and predict elevator landing door lock fault is provided for existing technical deficiency, the method is by detecting the resistance value of each floor layer door lock contact, real-time detection failure, and the trend door lock contact fault of resistance value to each floor layer door lock.
Technical matters solved by the invention can realize by the following technical solutions:
A kind of method detecting and predict elevator landing door lock fault, the control desk of each landing call device is integrated with one for the resistance detection module of the resistance value of detection layers door lock contact, each resistance detection module detects the resistance value of the layer door lock contact of respective floor and the resistance value of the layer door lock contact detected is passed to apparatus for controlling elevator by landing call device and apparatus for controlling elevator communication system originally, apparatus for controlling elevator monitors the resistance value of the layer door lock contact of each floor in real time, when the resistance value of layer door lock contact departs from normal value, make corresponding breakdown judge.
In a preferred embodiment of the invention, each resistance detection module is AD conversion module, connect with reference resistance in layer door lock contact, pressure drop on layer door lock contact is as the input of AD conversion module, the benchmark of AD conversion module is received in pressure drop on reference resistance, and AD conversion module measures a layer resistance value for door lock contact according to the pressure drop on layer door lock contact and the pressure drop on reference resistance.
In a preferred embodiment of the invention, each landing call device has independently No. ID, and can the calling signal of the resistance value of layer door lock contact measured of the resistance detection module in the landing call device of independent backtransmission current floor and this current floor to apparatus for controlling elevator, apparatus for controlling elevator monitors the resistance value of the layer door lock contact of this current floor in real time, when the resistance value of the layer door lock contact of this current floor departs from normal value, corresponding breakdown judge is made to the landing call device of this current floor.
In a preferred embodiment of the invention, logical block is configured with in apparatus for controlling elevator, resistance value when the layer door lock contact that this logical block gathers each floor is passed back each time, by the variation tendency of the resistance value of the layer door lock contact of each floor, doping may the layer door lock of et out of order.
In a preferred embodiment of the invention, described logical block is also provided with a layer threshold range for the normal resistance values of door lock contact, when the resistance value of layer door lock contact exceeds the threshold range of this normal resistance values, apparatus for controlling elevator sends door lock early warning.
In a preferred embodiment of the invention, whether apparatus for controlling elevator detects by every one deck door lock layer door lock loop in series and every one deck door lock contact is consistent state, when layer door lock loop is normal, when layer door lock contact is abnormal or layer door lock loop is abnormal, when layer door lock contact is normal, apparatus for controlling elevator can detect corresponding fault.
Owing to have employed technical scheme as above, beneficial effect of the present invention is: the feature all being installed stop hall buttons by each floor of elevator, each landing call device is integrated with a resistance detection module, detect the resistance value of the layer door lock contact of current floor independently, the resistance value data of the layer door lock contact of current floor are added in the communication signal of each landing call device passback, apparatus for controlling elevator is sent to by internal communication bus, apparatus for controlling elevator is by judging the resistance value size of every one deck door lock contact, determine the mode of operation of layer door lock, avoid the problem that some fault needs long-term follow-up just can find out, save human cost, also improve maintenance efficiency.Simultaneously by judging the variation tendency of resistance value of every one deck door lock, by the logical block that it is built-in, look-ahead goes out may layer door lock in bad order, reaches the object of significantly reduction door lock of elevator rate of breakdown thus.
Detailed description of the invention
The technological means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, setting forth the present invention further.
The method of a kind of detection of the present invention and prediction elevator landing door lock fault is based upon on the basis of apparatus for controlling elevator originally and each floor landing call device, wherein, apparatus for controlling elevator passes through RS-485 interface or other communication modes and each floor landing call device and communicates to connect, calling signal is passed to apparatus for controlling elevator by the landing call device of each floor, apparatus for controlling elevator then can feedback response information, in display information to corresponding landing call device.
On each landing call device, integrated one for the resistance detection module of the resistance value of detection layers door lock contact, this resistance detection module is AD conversion module, layer door lock contact is assumed to be resistance R, resistance R connects with reference resistance R0, pressure drop on resistance R is as the input of AD conversion module, the benchmark of AD conversion module is received in pressure drop on reference resistance R0, AD conversion module measures the resistance value of resistance R according to the pressure drop in the pressure drop on resistance R and reference resistance R0, is a layer resistance value for door lock contact.The resistance value of layer door lock contact that resistance detection module is measured by landing call device and the calling signal of current floor are back in apparatus for controlling elevator, the resistance value of layer door lock contact that the resistance detection module that the landing call device that apparatus for controlling elevator monitors each floor in real time transmits is measured and the calling signal of current floor, when the resistance value of layer door lock contact departs from normal value, make corresponding breakdown judge.
Each landing call device has independently No. ID, and apparatus for controlling elevator can be returned by independent backtransmission communication signal, this communication signal comprises the resistance value of layer door lock contact and the calling signal of this current floor that the resistance detection module in the landing call device of current floor measures, apparatus for controlling elevator monitors the resistance value of the layer door lock contact of this current floor in real time, when the resistance value of the layer door lock contact of this current floor departs from normal value, corresponding breakdown judge is made to the landing call device of this current floor.
Logical block is configured with in apparatus for controlling elevator, resistance value when the layer door lock contact that this logical block gathers each floor is passed back each time, by the variation tendency of the resistance value of the layer door lock contact of each floor, doping may the layer door lock of et out of order.In addition, logical block is also provided with a layer threshold range for the normal resistance values of door lock contact, when the resistance value of layer door lock contact exceeds the threshold range of this normal resistance values, apparatus for controlling elevator sends door lock early warning, be convenient for people to observe, the layer door lock that may break down can be changed in advance.
Whether apparatus for controlling elevator detects by every one deck door lock layer door lock loop in series and every one deck door lock contact is consistent state, when layer door lock loop is normal, when layer door lock contact is abnormal or layer door lock loop is abnormal, when layer door lock contact is normal, apparatus for controlling elevator can detect corresponding fault.
More than show and describe groundwork of the present invention and principal character and advantage of the present invention.The technical personnel of the industry should be understood; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification sheets just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (6)
1. the method detecting and predict elevator landing door lock fault, it is characterized in that, the control desk of each landing call device is integrated with one for the resistance detection module of the resistance value of detection layers door lock contact, each resistance detection module detects the resistance value of the layer door lock contact of respective floor and the resistance value of the layer door lock contact detected is passed to apparatus for controlling elevator by landing call device and apparatus for controlling elevator communication system originally, apparatus for controlling elevator monitors the resistance value of the layer door lock contact of each floor in real time, when the resistance value of layer door lock contact departs from normal value, make corresponding breakdown judge.
2. the method detecting and predict elevator landing door lock fault as claimed in claim 1, it is characterized in that, each resistance detection module is AD conversion module, connect with reference resistance in layer door lock contact, pressure drop on layer door lock contact is as the input of AD conversion module, the benchmark of AD conversion module is received in pressure drop on reference resistance, and AD conversion module measures a layer resistance value for door lock contact according to the pressure drop on layer door lock contact and the pressure drop on reference resistance.
3. the method detecting and predict elevator landing door lock fault as claimed in claim 1, it is characterized in that, each landing call device has independently No. ID, and can the calling signal of the resistance value of layer door lock contact measured of the resistance detection module in the landing call device of independent backtransmission current floor and this current floor to apparatus for controlling elevator, apparatus for controlling elevator monitors the resistance value of the layer door lock contact of this current floor in real time, when the resistance value of the layer door lock contact of this current floor departs from normal value, corresponding breakdown judge is made to the landing call device of this current floor.
4. detect and predict the method for elevator landing door lock fault as claimed any one in claims 1 to 3, it is characterized in that, logical block is configured with in apparatus for controlling elevator, resistance value when the layer door lock contact that this logical block gathers each floor is passed back each time, by the variation tendency of the resistance value of the layer door lock contact of each floor, doping may the layer door lock of et out of order.
5. the method detecting and predict elevator landing door lock fault as claimed in claim 4, it is characterized in that, described logical block is also provided with a layer threshold range for the normal resistance values of door lock contact, when the resistance value of layer door lock contact exceeds the threshold range of this normal resistance values, apparatus for controlling elevator sends door lock early warning.
6. the method detecting and predict elevator landing door lock fault as claimed in claim 4, it is characterized in that, whether apparatus for controlling elevator detects by every one deck door lock layer door lock loop in series and every one deck door lock contact is consistent state, when layer door lock loop is normal, when layer door lock contact is abnormal or layer door lock loop is abnormal, when layer door lock contact is normal, apparatus for controlling elevator can detect corresponding fault.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410632967.1A CN104444682B (en) | 2014-11-11 | 2014-11-11 | Method for detecting and predicating elevator landing door lock fault |
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| CN201410632967.1A CN104444682B (en) | 2014-11-11 | 2014-11-11 | Method for detecting and predicating elevator landing door lock fault |
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| CN104444682A true CN104444682A (en) | 2015-03-25 |
| CN104444682B CN104444682B (en) | 2017-04-19 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105174000A (en) * | 2015-06-11 | 2015-12-23 | 西子奥的斯电梯有限公司 | Elevator control system capable of preventing arc discharge of door lock contacts |
| CN105217395A (en) * | 2015-10-19 | 2016-01-06 | 广州日滨科技发展有限公司 | Elevator hall's door lock automatic checkout equipment, system and method |
| CN105800412A (en) * | 2016-05-19 | 2016-07-27 | 江苏通用电梯有限公司 | Elevator fault recognition control circuit and working method thereof |
| CN106586755A (en) * | 2017-02-06 | 2017-04-26 | 上海峰景移动科技有限公司 | Detection device and method for contact of elevator door lock in elevator safety circuit |
| CN108285070A (en) * | 2017-12-28 | 2018-07-17 | 上海市特种设备监督检验技术研究院 | A kind of dumb waiter layer door locking method of inspection |
| CN111137773A (en) * | 2018-11-06 | 2020-05-12 | 通力股份公司 | Method and system for detecting failure of elevator system |
| CN115196458A (en) * | 2022-07-20 | 2022-10-18 | 哈尔滨迪康电梯制造有限公司 | Elevator door lock fault detection system and method |
| CN116311627A (en) * | 2023-05-18 | 2023-06-23 | 合肥智辉空间科技有限责任公司 | Electronic door lock fault identification method and system based on indirect detection method |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105174000A (en) * | 2015-06-11 | 2015-12-23 | 西子奥的斯电梯有限公司 | Elevator control system capable of preventing arc discharge of door lock contacts |
| CN105217395A (en) * | 2015-10-19 | 2016-01-06 | 广州日滨科技发展有限公司 | Elevator hall's door lock automatic checkout equipment, system and method |
| CN105800412A (en) * | 2016-05-19 | 2016-07-27 | 江苏通用电梯有限公司 | Elevator fault recognition control circuit and working method thereof |
| CN105800412B (en) * | 2016-05-19 | 2017-12-29 | 江苏通用电梯有限公司 | A kind of elevator faults recognition control circuit and its method of work |
| CN106586755A (en) * | 2017-02-06 | 2017-04-26 | 上海峰景移动科技有限公司 | Detection device and method for contact of elevator door lock in elevator safety circuit |
| CN108285070A (en) * | 2017-12-28 | 2018-07-17 | 上海市特种设备监督检验技术研究院 | A kind of dumb waiter layer door locking method of inspection |
| CN111137773A (en) * | 2018-11-06 | 2020-05-12 | 通力股份公司 | Method and system for detecting failure of elevator system |
| CN111137773B (en) * | 2018-11-06 | 2024-04-09 | 通力股份公司 | Method and system for detecting faults in an elevator system |
| CN115196458A (en) * | 2022-07-20 | 2022-10-18 | 哈尔滨迪康电梯制造有限公司 | Elevator door lock fault detection system and method |
| CN115196458B (en) * | 2022-07-20 | 2024-04-09 | 哈尔滨迪康电梯制造有限公司 | Elevator door lock fault detection system and method |
| CN116311627A (en) * | 2023-05-18 | 2023-06-23 | 合肥智辉空间科技有限责任公司 | Electronic door lock fault identification method and system based on indirect detection method |
| CN116311627B (en) * | 2023-05-18 | 2023-08-01 | 合肥智辉空间科技有限责任公司 | Electronic door lock fault identification method and system based on indirect detection method |
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| CN104444682B (en) | 2017-04-19 |
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