CN110482355A - A kind of door lock of elevator detection circuit and device - Google Patents
A kind of door lock of elevator detection circuit and device Download PDFInfo
- Publication number
- CN110482355A CN110482355A CN201910871502.4A CN201910871502A CN110482355A CN 110482355 A CN110482355 A CN 110482355A CN 201910871502 A CN201910871502 A CN 201910871502A CN 110482355 A CN110482355 A CN 110482355A
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- elevator
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- 238000001514 detection method Methods 0.000 title claims abstract description 80
- 238000004891 communication Methods 0.000 claims description 28
- 238000012545 processing Methods 0.000 claims description 28
- 238000000034 method Methods 0.000 claims description 15
- 230000005611 electricity Effects 0.000 claims description 6
- 230000005622 photoelectricity Effects 0.000 claims description 6
- 238000007689 inspection Methods 0.000 claims description 5
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 8
- 238000012423 maintenance Methods 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
Classifications
-
- 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
Abstract
The invention discloses a kind of door lock of elevator detection circuit and devices.Door lock of elevator detection circuit includes switch detector part, layer door open-closed detector part and processor；Switch detector part includes input terminal and output end, the input terminal of switch detector part is electrically connected with the switch in the door interlock switch circuit of hoistway door, the output end of switch detector part is electrically connected with processor, and switch detector part can be according to the switch conduction or the corresponding signal of shutdown output in door interlock switch circuit；Layer door open-closed detector part is electrically connected with processor, and layer door open-closed detector part can open or close output on-off model according to hoistway door.When hoistway door is opened, layer door open-closed detector part sends the signal that hall door is opened to processor, and if the switch in opening or closing of elevator door lock circuit is equivalent on state at this time, it then can determine whether out that opening or closing of elevator door lock circuit is shorted, and then staff is reminded to safeguard in time to elevator, avoid the generation of accident.
Description
Technical field
The present embodiments relate to elevator detection technique more particularly to a kind of door lock of elevator detection circuit and devices.
Background technique
With the development of the society, the application of elevator is also more more and more universal, however the following elevator safety accident is also got over
Come more.
In the prior art, when maintenance personal carries out Measuring error to elevator, it is often necessary to be made using means such as short circuits
Protective device temporarily fails, and is safeguarded for example, being shorted door interlock switch circuit；Maintenance personal is being shorted door interlock switch circuit to electricity
After ladder maintenance, forgets to remove shorting stub sometimes because of carelessness, be run under the condition of opening so as to cause elevator, easily
Shearing casualty accident occurs, and the prior art can not be detected to whether opening or closing of elevator door lock circuit is shorted.
Summary of the invention
The present invention provides a kind of door lock of elevator detection circuit and device, to realize whether short circuit carries out to opening or closing of elevator door lock
Detection.
In a first aspect, the embodiment of the invention provides a kind of door lock of elevator detection circuit, the door lock of elevator detection circuit
Including switch detector part, layer door open-closed detector part and processor；
The switch detector part includes input terminal and output end, the input terminal and hoistway door of the switch detector part
Door interlock switch circuit in switch electrical connection, the output end of the switch detector part is electrically connected with the processor, described
Switch detector part can be according to the switch conduction or the corresponding signal of shutdown output in door interlock switch circuit；
The layer door open-closed detector part is electrically connected with the processor, and the layer door open-closed detector part can be according to electricity
Terraced hall door opens or closes output on-off model.
Optionally, the switch detector part includes photoelectrical coupler；
Input terminal of the first input end of the photoelectrical coupler as the switch detector part, the photoelectrical coupler
The second input terminal be used for input reference voltage, at least one in the first output end and second output terminal of the photoelectrical coupler
A output end as the switch detector part.
It optionally, further include current-limiting resistance, the first input end of the photoelectrical coupler passes through the current-limiting resistance and electricity
Switch electrical connection in the door interlock switch circuit of terraced hall door.
Optionally, the layer door open-closed detector part uses photoelectric sensor.
Second aspect, the embodiment of the invention also provides a kind of door lock of elevator detection devices, including N number of such as first aspect to appoint
Door lock of elevator detection circuit described in one；N is the integer more than or equal to 2；
It is serially connected with N number of first switch in the door interlock switch circuit of hoistway door, the first end of first first switch and the
The electrical connection of one power supply line, the first end of the K+1 first switch are electrically connected with the second end of k-th first switch, n-th first
The second end of switch is electrically connected with second source line；1≤K≤N-1；
The input terminal of the switch detector part in the k-th door lock of elevator detection circuit and the k-th first
The second end of switch is electrically connected.
Optionally, further include alert process module, the processor in N number of door lock of elevator detection circuit with the report
Alert processing module communication connection.
Optionally, the alert process module includes reset unit, processing unit and alarm relay；
The input circuit of the alarm relay is electrically connected with the processing unit, the output loop of the alarm relay
For connecting warning device；
The reset unit is electrically connected with the processing unit.
Optionally, the warning device uses buzzer.
Optionally, the switch detector part includes photoelectrical coupler, and the door lock of elevator detection circuit further includes third
Power supply line；
Input terminal of the first input end of the photoelectrical coupler as the switch detector part, N number of elevator door
The second input terminal for locking the photoelectrical coupler of detection circuit is electrically connected with the third power supply line.
It optionally, further include the 4th power supply line and the 5th power supply line；Processor in N number of door lock of elevator detection circuit
And the processing unit includes power end, common end, the first communication ends and the second communication ends；
The power end of processor and the processing unit in N number of door lock of elevator detection circuit is electric with the described 4th
The electrical connection of source line；The common end of processor and the processing unit in N number of door lock of elevator detection circuit is with described
The electrical connection of five power supply lines；First communication ends of the processor in N number of door lock of elevator detection circuit with the processing unit
The first communication ends electrical connection；Second communication ends of the processor in N number of door lock of elevator detection circuit with the processing
Second communication ends of unit are electrically connected.
The present invention is detected by using the door lock of elevator for including switch detector part, layer door open-closed detector part and processor
Circuit, when hoistway door is opened, layer door open-closed detector part sends the signal that hall door is opened to processor, and if elevator at this time
Switch in door interlock switch circuit is equivalent on state, then can determine whether out that opening or closing of elevator door lock circuit is shorted, and then reminds
Staff in time safeguards elevator, avoids the generation of accident.
Detailed description of the invention
Fig. 1 is a kind of electrical block diagram of door lock of elevator detection circuit provided in an embodiment of the present invention；
Fig. 2 is the electrical block diagram of another door lock of elevator detection circuit provided in an embodiment of the present invention；
Fig. 3 is a kind of electrical block diagram of door lock of elevator detection device provided in an embodiment of the present invention；
Fig. 4 is the electrical block diagram of another door lock of elevator detection device provided in an embodiment of the present invention.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention rather than limiting the invention.It also should be noted that in order to just
Only the parts related to the present invention are shown in description, attached drawing rather than entire infrastructure.
Embodiment
With reference to Fig. 1, Fig. 1 is a kind of electrical block diagram of door lock of elevator detection circuit provided in an embodiment of the present invention,
Door lock of elevator detection circuit includes switch detector part 101, layer door open-closed detector part 102 and processor 103；
Switch detector part 101 includes input terminal and input terminal, the input terminal of switch detector part 101 and hoistway door
Switch 104 in door interlock switch circuit is electrically connected, and the output end of switch detector part 101 is electrically connected with processor 103, switch inspection
Corresponding signal can be exported according to 104 on and off of switch in door interlock switch circuit by surveying device 101；
Layer door open-closed detector part 102 is electrically connected with processor 103, and layer door open-closed detector part 102 can be according to elevator
Hall door opens or closes output on-off model.
Specifically, switch 104 may connect between the first power supply line 105 and the input terminal of switch detector part 101.Elevator
In operation, after carriage is parked in a certain layer, and the hall door of this layer is opened, the switch 104 in this layer of corresponding door interlock switch circuit
Disconnect, carriage can not move up and down again at this time, and maintenance personal maintenance when due to being shorted door interlock switch
Circuit, although thus at this time switch 104 when disconnect, due to the effect of shorting stub, carriage still can be moved up and down.When
When the hall door of elevator is opened, layer door open-closed detector part sends the signal that hoistway door has been opened, Simultaneous Switching to processor 103
Detection device 101 sends the signal whether switch 104 is connected to processor 103；Illustratively, when hoistway door is opened, by
It is closed in switch 104, if opening or closing of elevator door lock is not shorted, the input terminal of switch detector part 101 can be set without input signal
The output end of switch detector part 101 at this time is set without output, processor 103 can determine whether out elevator to operate normally at this time；And if
Hoistway door is opened, the signal that layer door open-closed detector part has been opened to the transmission hoistway door of processor 103, and elevator door at this time
Lock-switch is shorted, and can be equivalent to the conducting of switch 104 at this time, the input terminal of switch detector part 101 has input signal, settable
The output end of switch detector part 101 has output at this time, and processor 103 judges that opening or closing of elevator door lock is shorted, thus processor
103 executable relevant operations are to remind staff's elevator that there are security risks.
It is understood that the input terminal of switch detector part 101 and the signal of output end that the present embodiment is previously mentioned are patrolled
The relationship of collecting is a kind of example, and non-limiting, such as be may also set up when the input terminal of switch detector part 101 is without input,
Output end has output, and when its input terminal has input, output end is without output.
The technical solution of the present embodiment, by using including switch detector part, layer door open-closed detector part and processor
Door lock of elevator detection circuit, when hoistway door open when, layer door open-closed detector part to processor send hall door open letter
Number, and if the switch in opening or closing of elevator door lock circuit is equivalent on state at this time, can determine whether out opening or closing of elevator door lock circuit
It is shorted, and then staff is reminded to safeguard in time to elevator, avoid the generation of accident.
It optionally, is the circuit knot of another door lock of elevator detection circuit provided in an embodiment of the present invention with reference to Fig. 2, Fig. 2
Structure schematic diagram, switch detector part include photoelectrical coupler 1011, and the first input end A of photoelectrical coupler 1011 is as switch inspection
Surveying the input terminal of device, the second input terminal B of photoelectrical coupler 1011 is used for input reference voltage, and the of photoelectrical coupler 1011
Output end of at least one of the one output end C and second output terminal D as switch detector part.
Specifically, the anode of the light emitting diode in photoelectrical coupler 1011 can be used as photoelectrical coupler 1011 it is first defeated
Entering and holds A, the cathode of light emitting diode can be used as the second input terminal B of photoelectrical coupler 1011, and the second of photoelectrical coupler 1011
Input terminal B is used for input reference voltage；Illustratively, the second input terminal B of photoelectrical coupler 1011 is electrically connected third power supply
Line 106, third power supply line 106 are that photoelectrical coupler 1011 provides reference voltage, when switch 104 is connected or since hall door lock is opened
When pass circuit is shorted and switch 104 is made to be equivalent to conducting, the anode and cathode of light emitting diode respectively obtain the first power supply line
The electromotive force on electromotive force and third power supply line 106 on 105, to drive lumination of light emitting diode, and then makes photoelectric coupling
It is connected between the first output end C and second output terminal D of device 1011, processor 103 judges the output of the first output end C and second
End D between be connected, and if hall door is in an open state at this time, that is, show that the hall door lock-switch circuit of elevator is shorted；It needs to illustrate
, between the first output end C and second output terminal D at least one connection processor 103, can judge the first output end
Whether be connected between C and second output terminal D, illustratively, the present embodiment by the first output end C and second output terminal D with place
It manages device 103 to be electrically connected, from without peripheral circuit is arranged again.When switch 104 disconnects, since the anode of light emitting diode is without electricity
Signal is pressed, to cannot make to be connected between the first output end C of photoelectrical coupler 1011 and second output terminal D, processor at this time
103 can determine whether out 104 shutdown of switch, namely elevator normal operation at this time.
The technical solution of the present embodiment, by using the door lock of elevator detection circuit including photoelectrical coupler, by by light
Electric coupler as switch detector part, can simple and convenient detect whether the switch in hall door lock-switch circuit is connected, together
When photoelectrical coupler also have the function of isolation, prevent interference of the measure loop by elevator safety loop, greatly improve
The reliability of door lock of elevator detection circuit.
Optionally, with continued reference to Fig. 2, door lock of elevator detection circuit further includes current-limiting resistance 107, photoelectrical coupler 1011
First input end A is electrically connected by current-limiting resistance 107 with the switch 104 in the door interlock switch circuit of hoistway door.
It is understood that current-limiting resistance 107 is for preventing the electric current in photoelectrical coupler 1011 excessive and burning out wherein
Light emitting diode.
Optionally, with continued reference to Fig. 2, layer door open-closed detector part uses photoelectric sensor 1021.
Specifically, the output end of photoelectric sensor 1021 is electrically connected with processor 103, photoelectric sensor 1021 be may be configured as
When hoistway door is opened, the output loop conducting of photoelectric sensor 1021, so that processor 103 be made to judge elevator hall at this time
Door has been opened；It may be alternatively provided as when hoistway door is closed, the output loop conducting of photoelectric sensor 1021, to make processor
103 judge that hoistway door is turned off at this time.
Illustratively, with reference to Fig. 2, when hoistway door is opened, the output loop of photoelectric sensor 1021 is disconnected at this time, place
Reason device 103 judges that hoistway door has been opened at this time；If the output loop shutdown of photoelectrical coupler 1011 at this time, illustrates photoelectricity
The input circuit of coupler 1011 is also switched off, i.e., the switch in the switching circuitry of hoistway door is off-state, Ye Jibiao at this time
Bright elevator is in normal operating condition, and processor 103 can reenter the state for judging whether hoistway door is opened；And if photoelectricity
The output loop of coupler 1011 is connected, then illustrates that the input circuit of photoelectrical coupler 1011 is also switched on, i.e. hoistway door at this time
Switching circuitry in switch be equivalent on state due to being shorted, namely show that the switching circuitry of the hall door of elevator is short
It connects, the capable of emitting corresponding information of processor 103 is to remind staff.And if the hall door of elevator is in off state, photoelectricity at this time
The output loop of sensor 1021 is connected, and processor 103 judges that hoistway door is turned off at this time, can enter dormant state,
The state for judging whether the output loop of photoelectric sensor 1021 is connected can be reentered, no longer needs to judge photoelectrical coupler
Whether 1011 output loop is connected.
With reference to Fig. 3, Fig. 3 is a kind of electrical block diagram of door lock of elevator detection device provided in an embodiment of the present invention,
Door lock of elevator detection device includes N number of above-mentioned door lock of elevator detection circuit；N is the integer more than or equal to 2；
It is serially connected with N number of first switch 108 in opening or closing of elevator door lock circuit, the first end of first first switch 108 and the
The electrical connection of one power supply line 105, the first end of the K+1 first switch are electrically connected with the second end of k-th first switch, Ke Yili
Solution, the second end of n-th first switch are electrically connected with the second source line (not shown) in opening or closing of elevator door lock circuit；1
≤K≤N-1；
The input terminal of switch detector part in k-th door lock of elevator detection circuit and the second end of k-th first switch
Electrical connection.
Illustratively, N number of first switch 108 and three door lock of elevator detection circuits, i.e. the first elevator are shown in Fig. 3
Door lock detection circuit 201, the second door lock of elevator detection circuit 202 and N door lock of elevator detection circuit 203, N number of door lock of elevator inspection
Slowdown monitoring circuit matches setting with N first switch, and it is elevator first layer hall door that also even first first switch 108 is matched, then with
The door lock of elevator detection circuit of first first switch 108 electrical connection is set to elevator first layer, when a certain layer door lock of elevator is opened
When pass circuit is shorted, the switch in the door interlock switch circuit of corresponding hall door is equivalent on state, corresponding processor
It can judge that the door interlock switch circuit of this layer is shorted, to remind staff to carry out corresponding maintenance work, specifically
The process that door interlock switch circuit is shorted is judged as previously mentioned, details are not described herein.
The technical solution of the present embodiment, by using the door lock of elevator detection device including N number of door lock of elevator detection circuit,
Can the door interlock switch circuit to multi-level elevator whether be shorted and judge, expand the applicable model of door lock of elevator detection device
It encloses.
It optionally, is the circuit knot of another door lock of elevator detection device provided in an embodiment of the present invention with reference to Fig. 4, Fig. 4
Structure schematic diagram further includes alert process module 204, the processor in N number of door lock of elevator detection circuit with alert process module
204 communication connections.
Specifically, N number of door lock of elevator detection circuit is communicated to connect with alert process module 204, when a certain layer of elevator
When door interlock switch circuit is shorted, corresponding processor can send the number for carrying this layer of flag information to alert process module 204
According to make alert process module 204 know that the door interlock switch circuit of which layer of elevator is shorted, so that staff be made to carry out
Targetedly maintenance work.Alert process module 204 can also carry out all layers of setting door lock of elevator detection circuit real-time
Monitoring, improves the efficiency of elevator maintenance.
Optionally, with continued reference to Fig. 4, alert process module 204 includes reset unit 2042, processing unit 2041 and alarm
Relay 2043；
The input circuit of alarm relay 2043 is electrically connected with processing unit 2041, the output loop of alarm relay 2043
For connecting warning device；
Reset unit 2042 is electrically connected with processing unit 2043.
Specifically, reset unit 2041 is for resetting alert process module 204, when needing to export warning message
When, processing unit 2041 changes the state of output relay 2043, to export warning message.Illustratively, warning device is adopted
With buzzer, to carry out voice prompting to staff, it is to be understood that warning device can be also display screen etc..
Optionally, with continued reference to Fig. 4, switch detector part includes photoelectrical coupler, and door lock of elevator detection circuit includes the
Three power supply lines 106, input terminal of the first input end A of photoelectrical coupler as switch detector part, N number of door lock of elevator detection electricity
Second input terminal of the photoelectrical coupler on road is electrically connected with third power supply line 106.
It is understood that N number of door lock of elevator detection circuit shares third power supply line 106, to reduce door lock of elevator inspection
Survey the wiring difficulty of device.Wherein, the voltage value on the first power supply line 105 can be 110V, the voltage value on third power supply line 106
It can be 0V.
It optionally, further include the 4th power supply line 208 and the 5th power supply line 205 with continued reference to Fig. 4；N number of door lock of elevator detection
Processor and processing unit in circuit include power end VCC, common end COM, the first communication ends MOD+ and the second communication ends
MOD-；
The power end VCC of processor and processing unit in N number of door lock of elevator detection circuit is electric with the 4th power supply line 208
Connection；The common end COM of processor and processing unit in N number of door lock of elevator detection circuit with the 5th power supply line 205
Electrical connection；First communication ends MOD+ of the processor in N number of door lock of elevator detection circuit with the first communication ends of processing unit
Electrical connection；Second communication ends MOD- of the processor in N number of door lock of elevator detection circuit with the second communication ends of processing unit
Electrical connection.
Specifically, the first communication ends MOD+ of the processor in N number of door lock of elevator detection circuit can pass through the first communication
Line 207 is electrically connected with the first communication ends of processing unit；Second communication ends of the processor in N number of door lock of elevator detection circuit
MOD- can be electrically connected by the second communication line 206 with the second communication ends of processing unit, by the way that 207 He of the first communication line is arranged
Second communication line 206 can further decrease the wiring difficulty of door lock of elevator detection device, reduce cost.
Note that the above is only a better embodiment of the present invention and the applied technical principle.It will be appreciated by those skilled in the art that
The invention is not limited to the specific embodiments described herein, be able to carry out for a person skilled in the art it is various it is apparent variation,
It readjusts and substitutes without departing from protection scope of the present invention.Therefore, although being carried out by above embodiments to the present invention
It is described in further detail, but the present invention is not limited to the above embodiments only, without departing from the inventive concept, also
It may include more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.
Claims (10)
1. a kind of door lock of elevator detection circuit, which is characterized in that the door lock of elevator detection circuit includes switch detector part, layer
Door open-closed detector part and processor；
The switch detector part includes input terminal and output end, the input terminal of the switch detector part and the door of hoistway door
Switch electrical connection in lock-switch circuit, the output end of the switch detector part are electrically connected with the processor, the switch
Detecting device can be according to the switch conduction or the corresponding signal of shutdown output in door interlock switch circuit；
The layer door open-closed detector part is electrically connected with the processor, and the layer door open-closed detector part can be according to elevator hall
Door opens or closes output on-off model.
2. door lock of elevator detection circuit according to claim 1, which is characterized in that the switch detector part includes photoelectricity
Coupler；
Input terminal of the first input end of the photoelectrical coupler as the switch detector part, the of the photoelectrical coupler
Two input terminals are used for input reference voltage, and at least one of the first output end of the photoelectrical coupler and second output terminal are made
For the output end of the switch detector part.
3. door lock of elevator detection circuit according to claim 2, which is characterized in that it further include current-limiting resistance, the photoelectricity
The first input end of coupler is electrically connected by the current-limiting resistance with the switch in the door interlock switch circuit of hoistway door.
4. door lock of elevator detection circuit according to claim 1, which is characterized in that the layer door open-closed detector part uses
Photoelectric sensor.
5. a kind of door lock of elevator detection device, which is characterized in that including N number of elevator door according to any one of claims 1-4
Lock detection circuit；N is the integer more than or equal to 2；
N number of first switch, the first end of first first switch and the first electricity are serially connected in the door interlock switch circuit of hoistway door
The electrical connection of source line, the first end of the K+1 first switch are electrically connected with the second end of k-th first switch, n-th first switch
Second end be electrically connected with second source line；1≤K≤N-1；
The input terminal of the switch detector part in the k-th door lock of elevator detection circuit and the k-th first switch
Second end electrical connection.
6. door lock of elevator detection device according to claim 5, which is characterized in that it further include alert process module, N number of institute
The processor stated in door lock of elevator detection circuit is communicated to connect with the alert process module.
7. door lock of elevator detection device according to claim 6, which is characterized in that the alert process module includes resetting
Unit, processing unit and alarm relay；
The input circuit of the alarm relay is electrically connected with the processing unit, and the output loop of the alarm relay is used for
Connect warning device；
The reset unit is electrically connected with the processing unit.
8. door lock of elevator detection device according to claim 7, which is characterized in that the warning device uses buzzer.
9. door lock of elevator detection device according to claim 5, which is characterized in that the switch detector part includes photoelectricity
Coupler, the door lock of elevator detection circuit further include third power supply line；
Input terminal of the first input end of the photoelectrical coupler as the switch detector part, N number of door lock of elevator inspection
Second input terminal of the photoelectrical coupler of slowdown monitoring circuit is electrically connected with the third power supply line.
10. door lock of elevator detection device according to claim 7, which is characterized in that further include the 4th power supply line and the 5th
Power supply line；Processor and the processing unit in N number of door lock of elevator detection circuit include power end, common end,
One communication ends and the second communication ends；
The power end of processor and the processing unit in N number of door lock of elevator detection circuit with the 4th power supply line
Electrical connection；The common end of processor and the processing unit in N number of door lock of elevator detection circuit is electric with the described 5th
The electrical connection of source line；First communication ends of the processor in N number of door lock of elevator detection circuit with the processing unit
The electrical connection of one communication ends；Second communication ends of the processor in N number of door lock of elevator detection circuit with the processing unit
The second communication ends electrical connection.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910871502.4A CN110482355A (en) | 2019-09-16 | 2019-09-16 | A kind of door lock of elevator detection circuit and device |
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| CN201910871502.4A CN110482355A (en) | 2019-09-16 | 2019-09-16 | A kind of door lock of elevator detection circuit and device |
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Cited By (3)
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| CN111099473A (en) * | 2020-01-15 | 2020-05-05 | 苏州市职业大学 | Elevator fault detection system and door lock contact life monitoring device thereof |
| 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 |
| WO2023174078A1 (en) * | 2022-03-14 | 2023-09-21 | 菱王电梯有限公司 | Elevator power supply control device and elevator system |
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| 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 |
| CN208732408U (en) * | 2018-07-25 | 2019-04-12 | 杭州奥立达电梯有限公司 | Door lock of elevator intelligent monitor system |
| CN108946373A (en) * | 2018-09-29 | 2018-12-07 | 日立楼宇技术（广州）有限公司 | A kind of elevator safety control system, method and elevator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111099473A (en) * | 2020-01-15 | 2020-05-05 | 苏州市职业大学 | Elevator fault detection system and door lock contact life monitoring device thereof |
| WO2023174078A1 (en) * | 2022-03-14 | 2023-09-21 | 菱王电梯有限公司 | Elevator power supply control device and 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 |
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