CN105712144A - Detection device for hoistway door lock and car door lock of elevator - Google Patents
Detection device for hoistway door lock and car door lock of elevator Download PDFInfo
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- CN105712144A CN105712144A CN201610194506.XA CN201610194506A CN105712144A CN 105712144 A CN105712144 A CN 105712144A CN 201610194506 A CN201610194506 A CN 201610194506A CN 105712144 A CN105712144 A CN 105712144A
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- 238000001514 detection method Methods 0.000 title claims abstract description 32
- 230000009471 action Effects 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 12
- 238000004891 communication Methods 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 101150048279 KMS1 gene Proteins 0.000 description 1
- 101150104867 KMS2 gene Proteins 0.000 description 1
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- 238000010586 diagram Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
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- 238000011897 real-time detection Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/0006—Monitoring devices or performance analysers
- B66B5/0018—Devices monitoring the operating condition of the elevator system
- B66B5/0025—Devices monitoring the operating condition of the elevator system for maintenance or repair
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
- B66B13/02—Door or gate operation
- B66B13/14—Control systems or devices
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Elevator Door Apparatuses (AREA)
Abstract
The invention discloses a detection device for a hoistway door lock and a car door lock of an elevator. The detection device comprises a control module and a detection module which are connected with each other, wherein the detection module is connected to an operating circuit of the elevator, comprises a first collection terminal connected with a safety circuit of the elevator, a second collection terminal connected with a hoistway door lock circuit, and a third collection terminal connected with a car door lock circuit, and transmits signals connected by the three collection terminals to the control module; and the control module judges the operating states of the hoistway door lock and the car door lock of the elevator. Due to the detection module, the safety circuit, the hoistway door lock circuit and the car door lock circuit of the elevator can detected in real time respectively, so that the performances of the hoistway door lock and the car door lock of the elevator can detected in real time, short circuit fault of a hoistway door and a car door can be detected timely, potential safety risks can be avoided effectively, the elevator can be used safely, and maintenance personnel can maintain the elevator conveniently.
Description
Technical field
The present invention relates to elevator technology field, especially a kind of elevator hall car door lock detecting device.
Background technology
At present, when properly functioning, can there is the situation that hall door lock or car door lock are shorted for various reasons in elevator.Uncertainty due to the generation that hall door lock or car door lock are shorted so that the appearance that hall door lock or car door lock are shorted cannot be estimated or judge.Can cause a series of security incident during generation, and owing to cannot accurately differentiate the concrete condition that hall door lock or car door lock are shorted, bring very big inconvenience in the maintainer repair and maintenance process to the later stage of elevator.Simultaneously because loop of the door lock is converted by auxiliary reclay, the reliability of whole circuit can reduce.
Summary of the invention
In view of this, the invention aims to overcome the defect of prior art, it is provided that a kind of hall door lock that can improve elevator and car door lock job security and the elevator hall's car door lock detecting device facilitating elevator maintenance to maintain.
For reaching above-mentioned purpose, the present invention provides a kind of elevator hall car door lock detecting device, it includes interconnective control module and detection module, described detection module accesses in the operating circuit of elevator, described operating circuit includes elevator safety circuit, Room car door lock circuit and advance door opening module, described elevator safety circuit is connected with advance door opening module, described Room car door lock circuit includes the car door lock circuit and the hall door lock circuit that are sequentially connected in series, described car door lock circuit is connected with one end of elevator safety circuit and advance door opening module respectively, described hall door lock circuit is connected with the other end of advance door opening module, described detection module has three signals collecting terminals, the first collection terminal that three described signals collecting terminals are respectively connected with elevator safety circuit, second be connected with hall door lock circuit gathers terminal and the 3rd collection terminal being connected with car door lock circuit, described first gathers terminal can gather the short circuit signal of elevator safety circuit, described second gathers terminal can gather the short circuit signal of hall door lock circuit, described 3rd gathers terminal can gather the short circuit signal of car door lock circuit, the signal that three signals collecting terminals collect is transferred to control module by described detection module, described control module judges the duty of elevator hall's door lock and car door lock according to the signal that detection module gathers.
Concrete, described hall door lock circuit includes n hall door lock, n >=1, n is the number of floor levels of elevator, the hall door one_to_one corresponding of n hall door lock and elevator, described elevator hall car door lock detecting device also includes and controls the snap shot acquisition module that module is connected, and described snap shot acquisition module accesses the duty detecting each hall door lock in hall door lock circuit, described snap shot acquisition module includes n acquisition module, and n acquisition module connects one to one successively with n hall door lock.
Preferably, described snap shot acquisition module is connected with controlling module by communication signal circuit.
Preferably, described detection module and snap shot acquisition module carry out signals collecting each through the AC-powered of 110V.
Concrete, described control module can judge elevator hall's car door lock state according to the signal that detection module gathers, it is under normal operating conditions at elevator hall's door lock and car door lock, when elevator parking floor, described advance door opening module action carries out lock of sealing up a door, it is high level that first collection terminal collects elevator safety circuit, and it is high level that the second collection terminal collects hall door lock circuit, and it is low level that the 3rd collection terminal collects car door lock circuit；When gate opens the door and puts in place, advance door opening module discharges, and it is high level that the first collection terminal collects elevator safety circuit, and it is low level that the second collection terminal collects hall door lock circuit, and it is low level that the 3rd collection terminal collects car door lock circuit；
It is shorted and car door lock is under normal operating conditions at elevator hall's door lock, when elevator parking floor, described advance door opening module action carries out lock of sealing up a door, it is high level that first collection terminal collects elevator safety circuit, it is high level that second collection terminal collects hall door lock circuit, and it is high level that the 3rd collection terminal collects car door lock circuit；When gate opens the door and puts in place, advance door opening module discharges, and it is high level that the first collection terminal collects elevator safety circuit, and it is low level that the second collection terminal collects hall door lock circuit, and it is low level that the 3rd collection terminal collects car door lock circuit；
Elevator cage door lock be shorted and hall door lock be under normal operating conditions, when elevator parking floor, described advance door opening module action carries out lock of sealing up a door, it is high level that first collection terminal collects elevator safety circuit, it is high level that second collection terminal collects hall door lock circuit, and it is high level that the 3rd collection terminal collects car door lock circuit；When gate opens the door and puts in place, advance door opening module discharges, and it is high level that the first collection terminal collects elevator safety circuit, and it is low level that the second collection terminal collects hall door lock circuit, and it is high level that the 3rd collection terminal collects car door lock circuit；
When elevator cage door lock and hall door are locked and are all shorted, when elevator parking floor, described advance door opening module action carries out lock of sealing up a door, it is high level that first collection terminal collects elevator safety circuit, it is high level that second collection terminal collects hall door lock circuit, and it is high level that the 3rd collection terminal collects car door lock circuit；When gate opens the door and puts in place, advance door opening module discharges, and it is high level that the first collection terminal collects elevator safety circuit, and it is high level that the second collection terminal collects hall door lock circuit, and it is high level that the 3rd collection terminal collects car door lock circuit.
Further, when controlling module and judging have hall door lock to be shorted according to the collection signal of detection module, the state of the hall door opened/closed of each layer elevator that described control module can collect according to snap shot acquisition module, it is judged that determine the position of the hall door lock being shorted.
Compared to prior art, elevator hall of the present invention car door lock detecting device has the advantage that
Elevator safety circuit, hall door lock circuit and car door lock circuit can be detected respectively in real time by detection module, and judge the hall door lock of elevator and the duty of car door lock by controlling module, realize the hall door lock of elevator and the real-time detection of car door lock working condition, Room gate short circuit fault can be detected in time, effectively prevent the appearance of potential safety hazard, it is ensured that the safety that elevator uses.Maintainer can lock the short circuit situation with car door lock according to the hall door that elevator hall's car door lock detecting device detects, elevator is accurately keeped in repair, the maintenance of convenient for maintaining personnel.
Accompanying drawing explanation
Fig. 1 is the operating circuit schematic diagram of a kind of elevator hall of present invention car door lock detecting device；
Wherein, 1, module is controlled；2, detection module；3, snap shot acquisition module；4, acquisition module；10, elevator safety circuit；20, Room gate circuit；21, first terminal is gathered；22, second terminal is gathered；23, the 3rd terminal is gathered；30, advance door opening module；40, car door lock circuit；50, hall door lock circuit；100, operating circuit.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.
Please as it is shown in figure 1, a kind of elevator hall of the present invention car door lock detecting device includes interconnective control module 1, detection module 2 and snap shot acquisition module 3.Described detection module 2 accesses in the operating circuit 100 of elevator, and described operating circuit 100 includes elevator safety circuit 10, Room car door lock circuit 20 and advance door opening module 30.Described elevator safety circuit 10 is connected with advance door opening module 30, and described Room car door lock circuit 20 includes the car door lock circuit 40 and the hall door lock circuit 50 that are sequentially connected in series.Described car door lock circuit 40 is connected with one end of elevator safety circuit 10 and advance door opening module 30 respectively, and described hall door lock circuit 50 is connected with the other end of advance door opening module 30.Described detection module 2 has three signals collecting terminals, three described signals collecting terminals be respectively connected with elevator safety circuit 10 first gather terminal 21 is connected with hall door lock circuit 50 second gather terminal 22 and be connected with car door lock circuit 40 the 3rd collection terminal 23, described first gathers terminal 21 can gather the short circuit signal of elevator safety circuit 10, described second gathers terminal 22 can gather the short circuit signal of hall door lock circuit 50, and the described 3rd gathers terminal 23 can gather the short circuit signal of car door lock circuit 40.The signal that three signals collecting terminals are collected by described detection module 2 carries out isolation processing, operation amplifier, and feedback transmission to controlling module 1.Described control module 1 judges the duty of elevator hall's door lock and car door lock according to the signal that detection module 2 gathers.
Described hall door lock circuit 50 includes n hall door lock, n >=1, and n is the number of floor levels of elevator, the hall door one_to_one corresponding of n hall door lock and elevator.N hall door lock is followed successively by the first hall door lock KMS1, the second hall door lock KMS2 ... the n-th hall door lock KMSn.Described snap shot acquisition module 3 accesses the duty detecting each hall door lock in hall door lock circuit 50, described snap shot acquisition module 3 includes 4, n acquisition modules 4 of n acquisition module and is followed successively by the first acquisition module Add:1, the second acquisition module Add:2 ... N acquisition module Add:N.N acquisition module 4 connects one to one successively with n hall door lock.Described snap shot acquisition module 3 is connected with controlling module 1 by communication signal circuit.Described detection module 2 and snap shot acquisition module 3 carry out signals collecting each through the AC-powered of 110V.
Described control module 1 can judge elevator hall's car door lock state according to the signal that detection module 2 gathers, it is under normal operating conditions at elevator hall's door lock and car door lock, when elevator parking floor, the action of described advance door opening module 30 carries out lock of sealing up a door, first gathers terminal 21 collects elevator safety circuit 10 for high level, second collection terminal 22 collects hall door lock circuit 50 for high level, and the 3rd gathers terminal 23 collects car door lock circuit 40 for low level；When gate opens the door and puts in place, advance door opening module 30 discharges, first gathers terminal 21 collects elevator safety circuit 10 for high level, and second gathers terminal 21 collects hall door lock circuit 50 for low level, and the 3rd gathers terminal 23 collects car door lock circuit 40 for low level；
It is shorted and car door lock is under normal operating conditions at elevator hall's door lock, when elevator parking floor, the action of described advance door opening module 30 carries out lock of sealing up a door, first gathers terminal 21 collects elevator safety circuit 10 for high level, second collection terminal 22 collects hall door lock circuit 50 for high level, and the 3rd gathers terminal 23 collects car door lock circuit 40 for high level；When gate opens the door and puts in place, advance door opening module 30 discharges, first gathers terminal 21 collects elevator safety circuit 10 for high level, and second gathers terminal 22 collects hall door lock circuit 50 for low level, and the 3rd gathers terminal 23 collects car door lock circuit 40 for low level；
Elevator cage door lock be shorted and hall door lock be under normal operating conditions, when elevator parking floor, the action of described advance door opening module 30 carries out lock of sealing up a door, first gathers terminal 21 collects elevator safety circuit 10 for high level, second collection terminal 22 collects hall door lock circuit 50 for high level, and the 3rd gathers terminal 23 collects car door lock circuit 40 for high level；When gate opens the door and puts in place, advance door opening module 30 discharges, first gathers terminal 21 collects elevator safety circuit 10 for high level, and second gathers terminal 22 collects hall door lock circuit 50 for low level, and it is high level that the 3rd collection terminal 23 collects car door lock circuit 40；
When elevator cage door lock and hall door are locked and are all shorted, when elevator parking floor, the action of described advance door opening module 30 carries out lock of sealing up a door, first gathers terminal 21 collects elevator safety circuit 10 for high level, second collection terminal 22 collects hall door lock circuit 50 for high level, and the 3rd gathers terminal 23 collects car door lock circuit 40 for high level；When gate opens the door and puts in place, advance door opening module 30 discharges, first gathers terminal 21 collects elevator safety circuit 10 for high level, and the second collection terminal 22 collects hall door lock circuit 50 for high level, and it is high level that the 3rd collection terminal 23 collects car door lock circuit 40.
When controlling module 1 and judging to have hall door lock to be shorted according to the collection signal of detection module 2, the state of the hall door opened/closed of each layer elevator that described control module 1 can collect according to snap shot acquisition module 3, it is judged that determine the position of the hall door lock being shorted.
When there is car door lock or hall door lock short circuit, control module 1 controls elevator and forbids running, and reports door lock short circuit fault, prevents Room car door lock short circuit potential safety hazard in time efficiently.Simultaneously snap shot sampling module 3 gathers the hall door lock status of each floor, carries out communication dock via conversion processing and with controlling module 1, real-time judge every layer hall door closed condition.When having hall door fault or short circuit, it is possible to the floor that directly judgement is specifically broken down, inquiry failure code and failure logging, efficient quick complete trouble unit reparation, it is very big convenient to provide for the maintenance of elevator later stage.
Above-described embodiment is only for illustrating technology design and the feature of the present invention; its object is to allow person skilled in the art will appreciate that present disclosure and to implement according to this; can not limit the scope of the invention with this; all equivalences made according to spirit of the invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (6)
1. elevator hall's car door lock detecting device, it is characterized in that: include interconnective control module (1) and detection module (2), described detection module (2) accesses in the operating circuit (100) of elevator, described operating circuit (100) includes elevator safety circuit (10), Room car door lock circuit (20) and advance door opening module (30), described elevator safety circuit (10) is connected with advance door opening module (30), described Room car door lock circuit (20) includes the car door lock circuit (40) and the hall door lock circuit (50) that are sequentially connected in series, described car door lock circuit (40) is connected with one end of elevator safety circuit (10) and advance door opening module (30) respectively, described hall door lock circuit (50) is connected with the other end of advance door opening module (30), described detection module (2) has three signals collecting terminals, the first collection terminal (21) that three described signals collecting terminals are respectively connected with elevator safety circuit (10), second be connected with hall door lock circuit (50) gathers terminal (22) and the 3rd collection terminal (23) being connected with car door lock circuit (40), described first gathers terminal (21) can gather the short circuit signal of elevator safety circuit (10), described second gathers terminal (22) can gather the short circuit signal of hall door lock circuit (50), described 3rd gathers terminal (23) can gather the short circuit signal of car door lock circuit (40), the signal that three signals collecting terminals collect is transferred to control module (1) by described detection module (2), described control module (1) judges the duty of elevator hall's door lock and car door lock according to the signal that detection module (2) gathers.
2. a kind of elevator hall according to claim 1 car door lock detecting device, it is characterized in that: described hall door lock circuit (50) includes n hall door lock, n >=1, n is the number of floor levels of elevator, the hall door one_to_one corresponding of n hall door lock and elevator, described elevator hall car door lock detecting device also includes and controls the snap shot acquisition module (3) that module (1) is connected, described snap shot acquisition module (3) accesses the duty detecting each hall door lock in hall door lock circuit (50), described snap shot acquisition module (3) includes n acquisition module (4), n acquisition module (4) connects one to one successively with n hall door lock.
3. a kind of elevator hall according to claim 2 car door lock detecting device, it is characterised in that: described snap shot acquisition module (3) is connected with controlling module (1) by communication signal circuit.
4. a kind of elevator hall according to claim 2 car door lock detecting device, it is characterised in that: described detection module (2) and snap shot acquisition module (3) carry out signals collecting each through the AC-powered of 110V.
5. a kind of elevator hall according to claim 2 car door lock detecting device, it is characterized in that: described control module (1) can judge elevator hall's car door lock state according to the signal that detection module (2) gather, it is under normal operating conditions at elevator hall's door lock and car door lock, when elevator parking floor, the action of described advance door opening module (30) carries out lock of sealing up a door, it is high level that first collection terminal (21) collects elevator safety circuit (10), it is high level that second collection terminal (22) collects hall door lock circuit (50), it is low level that 3rd collection terminal (23) collects car door lock circuit (40)；When gate opens the door and puts in place, advance door opening module (30) discharges, it is high level that first collection terminal (21) collects elevator safety circuit (10), it is low level that second collection terminal (21) collects hall door lock circuit (50), and it is low level that the 3rd collection terminal (23) collects car door lock circuit (40)；
It is shorted and car door lock is under normal operating conditions at elevator hall's door lock, when elevator parking floor, the action of described advance door opening module (30) carries out lock of sealing up a door, it is high level that first collection terminal (21) collects elevator safety circuit (10), it is high level that second collection terminal (22) collects hall door lock circuit (50), and it is high level that the 3rd collection terminal (23) collects car door lock circuit (40)；When gate opens the door and puts in place, advance door opening module (30) discharges, it is high level that first collection terminal (21) collects elevator safety circuit (10), it is low level that second collection terminal (22) collects hall door lock circuit (50), and it is low level that the 3rd collection terminal (23) collects car door lock circuit (40)；
Elevator cage door lock be shorted and hall door lock be under normal operating conditions, when elevator parking floor, the action of described advance door opening module (30) carries out lock of sealing up a door, it is high level that first collection terminal (21) collects elevator safety circuit (10), it is high level that second collection terminal (22) collects hall door lock circuit (50), and it is high level that the 3rd collection terminal (23) collects car door lock circuit (40)；When gate opens the door and puts in place, advance door opening module (30) discharges, it is high level that first collection terminal (21) collects elevator safety circuit (10), it is low level that second collection terminal (22) collects hall door lock circuit (50), and it is high level that the 3rd collection terminal (23) collects car door lock circuit (40)；
When elevator cage door lock and hall door are locked and are all shorted, when elevator parking floor, the action of described advance door opening module (30) carries out lock of sealing up a door, it is high level that first collection terminal (21) collects elevator safety circuit (10), it is high level that second collection terminal (22) collects hall door lock circuit (50), and it is high level that the 3rd collection terminal (23) collects car door lock circuit (40)；When gate opens the door and puts in place, advance door opening module (30) discharges, it is high level that first collection terminal (21) collects elevator safety circuit (10), it is high level that second collection terminal (22) collects hall door lock circuit (50), and it is high level that the 3rd collection terminal (23) collects car door lock circuit (40).
6. a kind of elevator hall according to claim 5 car door lock detecting device, it is characterized in that: when controlling module (1) and judging have hall door lock to be shorted according to the collection signal of detection module (2), the state of the hall door opened/closed of each layer elevator that described control module (1) can collect according to snap shot acquisition module (3), it is judged that determine the position of the hall door lock being shorted.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610194506.XA CN105712144B (en) | 2016-03-31 | 2016-03-31 | A kind of elevator hall's car door lock detection means |
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| CN201610194506.XA CN105712144B (en) | 2016-03-31 | 2016-03-31 | A kind of elevator hall's car door lock detection means |
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| CN105712144B CN105712144B (en) | 2018-02-09 |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106744112A (en) * | 2016-12-27 | 2017-05-31 | 快意电梯股份有限公司 | The detection circuit and detection method of elevator door lock loop short circuit |
| CN106829670A (en) * | 2017-02-28 | 2017-06-13 | 深圳市海浦蒙特科技有限公司 | Door lock of elevator detection method and system |
| CN106927328A (en) * | 2017-04-25 | 2017-07-07 | 宁波宏大电梯有限公司 | A kind of anti-short circuit detection of elevator belt loop of the door lock and control device and correlation method |
| CN107055239A (en) * | 2017-02-28 | 2017-08-18 | 深圳市海浦蒙特科技有限公司 | Door lock of elevator detection method and system |
| CN107265226A (en) * | 2017-07-13 | 2017-10-20 | 上海辰竹仪表有限公司 | Circuit safety detection means applied to explosion-proof lift door lock |
| CN108328446A (en) * | 2018-04-02 | 2018-07-27 | 江苏省特种设备安全监督检验研究院 | Elevator door loop detector |
| CN109081215A (en) * | 2018-11-06 | 2018-12-25 | 广州绰立科技有限公司 | Door lock of elevator is shorted detection method and system |
| CN109335908A (en) * | 2018-11-15 | 2019-02-15 | 广东省特种设备检测研究院珠海检测院 | A kind of elevator landing door lock is shorted detection and localization method |
| CN109353923A (en) * | 2018-11-15 | 2019-02-19 | 广东省特种设备检测研究院珠海检测院 | A kind of elevator landing door lock is shorted detection and positioning device |
| CN110723627A (en) * | 2019-09-30 | 2020-01-24 | 苏州汇川技术有限公司 | Elevator safe operation method, system, equipment, storage medium and electronic device |
| CN112125081A (en) * | 2020-08-14 | 2020-12-25 | 汕头大学 | Automatic detection method and system for elevator landing door |
| CN113460823A (en) * | 2020-03-31 | 2021-10-01 | 苏州汇川技术有限公司 | Door lock short-circuit fault diagnosis system, method, equipment and storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106927328A (en) * | 2017-04-25 | 2017-07-07 | 宁波宏大电梯有限公司 | A kind of anti-short circuit detection of elevator belt loop of the door lock and control device and correlation method |
| CN107265226A (en) * | 2017-07-13 | 2017-10-20 | 上海辰竹仪表有限公司 | Circuit safety detection means applied to explosion-proof lift door lock |
| CN107265226B (en) * | 2017-07-13 | 2022-10-11 | 上海辰竹仪表有限公司 | Circuit safety detection device applied to explosion-proof elevator door lock |
| CN108328446A (en) * | 2018-04-02 | 2018-07-27 | 江苏省特种设备安全监督检验研究院 | Elevator door loop detector |
| CN109081215A (en) * | 2018-11-06 | 2018-12-25 | 广州绰立科技有限公司 | Door lock of elevator is shorted detection method and system |
| CN109081215B (en) * | 2018-11-06 | 2019-11-19 | 广州绰立科技有限公司 | Door lock of elevator is shorted detection method and system |
| CN109335908A (en) * | 2018-11-15 | 2019-02-15 | 广东省特种设备检测研究院珠海检测院 | A kind of elevator landing door lock is shorted detection and localization method |
| CN109353923A (en) * | 2018-11-15 | 2019-02-19 | 广东省特种设备检测研究院珠海检测院 | A kind of elevator landing door lock is shorted detection and positioning device |
| CN110723627A (en) * | 2019-09-30 | 2020-01-24 | 苏州汇川技术有限公司 | Elevator safe operation method, system, equipment, storage medium and electronic device |
| CN113460823A (en) * | 2020-03-31 | 2021-10-01 | 苏州汇川技术有限公司 | Door lock short-circuit fault diagnosis system, method, equipment and storage medium |
| CN113460823B (en) * | 2020-03-31 | 2022-12-27 | 苏州汇川技术有限公司 | Door lock short-circuit fault diagnosis system, method, equipment and storage medium |
| CN112125081A (en) * | 2020-08-14 | 2020-12-25 | 汕头大学 | Automatic detection method and system for elevator landing door |
| CN112125081B (en) * | 2020-08-14 | 2022-04-26 | 汕头大学 | Automatic detection method and system for elevator landing door |
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