CN207175127U - A kind of elevator faults self-rescue system - Google Patents
A kind of elevator faults self-rescue system Download PDFInfo
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- CN207175127U CN207175127U CN201721200125.4U CN201721200125U CN207175127U CN 207175127 U CN207175127 U CN 207175127U CN 201721200125 U CN201721200125 U CN 201721200125U CN 207175127 U CN207175127 U CN 207175127U
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Abstract
Elevator self-rescue system field is the utility model is related to, espespecially a kind of elevator faults self-rescue system.The utility model elevator faults self-rescue system left in elevator normal driving process leveling zone break down it is oppressive after, passenger can carry out emergency self-saving function according to the voice message of the Audio Players in elevator inside car, it can realize that outer net power outage, lift loop failure or inspecting state are detected in the case of three kinds, ensure the passenger in lift car under secure conditions so that elevator runs to stranded floor leveling zone, automatically open up elevator door and release stranded passenger and out of service, wait maintenance mans to repair and fix a breakdown.In addition, the present apparatus is simple to operate, efficiency high, to expend the time short, the passenger inside stranded elevator can be fast and safely released, is eliminated because of the feared state of mind of the stranded passengers of long-time, and avoid rescue personnel from causing unnecessary damage to elevator in rescue operations.
Description
Technical field
Elevator self-rescue system field is the utility model is related to, espespecially a kind of elevator faults self-rescue system.
Background technology
Elevator, lifted or refer to power drive, transported using the casing of rigid guideway operation or along fixed circuit
Capable step, lifted or it is parallel transport people, the electromechanical equipment of goods.With the fast development of modern industry, elevator
Using increasing, but incident problem also becomes increasingly conspicuous.Such as：Elevator safety gear skids, elevator drops at high speeds
Or fallen in uphill process, the elevator safety accident triggered therefrom increasingly increases.Wherein, elevator is in normal course of operation
In there is stopping terraced reason and mainly have four aspects, first, safety return circuit failure, i.e. pit expansion tightening wheel switch, car buffer are opened
These switches such as pass, counterweight buffer switch, high-low limit switch, governor switch, up overspeed switch, safety gear switch miss
Action can all cause during loose contact to stop ladder oppressive；Second, control power failure, i.e. fuse loose contact or broken, whole
Stream bridge burns；Third, floor door interlock switch loose contact；Fourth, elevator control gear crashes, elevator personnel are generally taken due to electricity
Terraced failure and be closed in lift car, life safety belt is come greatly dangerous.
The method of rescue elevator trapped personnel of the prior art is typically to be succoured using foreign aid, i.e., trapped personnel is by sedan-chair
Emergency relief button is dialed customer service hot line and sent an SOS, and waits professional rescue personnel to reach the spot and is rescued, this
The situation that method will not send an SOS there is trapped personnel or rescue personnel can not reach the spot rapidly, and this side
Method is not only needed to expend substantial amounts of human and material resources and financial resources, and efficiency is low, expends time length, and the life of trapped personnel is pacified
There is great hidden danger entirely, while unnecessary damage may be caused in rescue operations to elevator.
The content of the invention
Cause under secure conditions to solve the above problems, the utility model provides a kind of passenger ensured in car
Elevator runs to stranded floor leveling zone, automatically opens up elevator door and releases stranded passenger, elevator out of service after door-opened elevator
Failure self-rescue system.
To achieve the above object, the technical solution adopted in the utility model is：A kind of elevator faults self-rescue system, including drag
Drawing mechanical, electrical terraced control device, traction machine brake gear, elevator controlling power supply, door-closing in-place detection switch, enabling, detection is opened in place
Close, detection switch, the elevator control gear, traction machine brake gear output end are connected leveling zone with traction machine in place, electricity
Ladder control power supply is connected with elevator control gear input, in addition to electronic control panel, control transformer, door lock break-make are detected and opened
Pass, inspecting state detection switch, safety return circuit detection switch, jerk detection switch, button of saving oneself, Audio Players and button
Lamp, the control transformer, door-closing in-place detection switch, detection switch, door lock break-make detection switch, leveling zone arrive in place for enabling
Position detection switch, safety return circuit detection switch, jerk detection switch, button of saving oneself are connected with electronic control panel input respectively,
The elevator control gear is connected by operation detecting switch with electronic control panel input, the inspecting state detection switch,
Audio Players and Push-button lamp are connected with electronic control panel output end, and the elevator control gear is connected by powering off output relay
Outer network source is connect, the button of saving oneself, Audio Players are arranged in lift car, and the Push-button lamp is arranged on button of saving oneself
Surface, the control transformer inputs connect outer network source, and output end is connected with outer net power cut detection device, and the outer net stops
Electric detection means input is connected with the battery that declutches, and the accumulator output end that declutches is connected with electronic control panel input.
Specifically, by leveling zone, detection switch is connected the electronic control panel output end with the contactor that declutches in place, institute
The contactor that declutches is stated to be connected with traction machine brake gear input.
Specifically, in addition to envelope star contactor, enabling relay, troubleshooting relay, output relay is run up,
The envelope star contactor, enabling relay, troubleshooting relay, power off output relay, run up output relay point
Be not connected with electronic control panel output end, the inspecting state detection switch and run up output relay respectively with elevator control
Device connection processed.
Specifically, in addition to safety tongs motion detection relay, blowout detection relay, the safety tongs act
Detection relay, blowout detection relay are connected with electronic control panel input respectively.
The beneficial effects of the utility model are：The utility model elevator faults self-rescue system is in elevator normal driving process
In leave leveling zone break down it is oppressive after, passenger can be according to the voice of the Audio Players in elevator inside car
Prompting carries out emergency self-saving function, can realize that outer net power outage, lift loop failure or inspecting state detect three kinds of situations
Under, ensure the passenger in lift car under secure conditions so that elevator runs to stranded floor leveling zone, automatically open up
The stranded passenger of elevator door releasing is simultaneously out of service, waits maintenance mans to repair and fix a breakdown.In addition, the present apparatus it is simple to operate,
Efficiency high, consuming time are short, can fast and safely release the passenger inside stranded elevator, eliminate because the stranded passengers' of long-time
The feared state of mind, and avoid rescue personnel from causing unnecessary damage to elevator in rescue operations.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Drawing reference numeral explanation：1. traction machine；2. elevator control gear；3. traction machine brake gear；4. elevator controlling is electric
Source；5. door-closing in-place detection switch；6. detection switch in place of opening the door；7. leveling zone detection switch in place；8. electronic control panel；9.
Control transformer；10. door lock break-make detection switch；11. inspecting state detection switch；12. safety return circuit detection switch；It is 13. anxious
Stop detection switch；14. button of saving oneself；15. Audio Players；16. operation detecting switch；17. power off output relay；Outside 18.
Network source；19. outer net power cut detection device；20. declutch battery；21. declutch contactor；22. envelope star contactor；23. open the door
Relay；24. troubleshooting relay；25. run up output relay；26. safety tongs motion detection relay；27. protect
Dangerous silk blows detection relay.
Embodiment
Refer to shown in Fig. 1, the utility model is on a kind of elevator faults self-rescue system, including traction machine 1, elevator controlling
Device 2, traction machine brake gear 3, elevator controlling power supply 4, door-closing in-place detection switch 5, open the door detection switch 6, flat bed in place
Detection switch 7, the elevator control gear 2, the output end of traction machine brake gear 3 are connected with traction machine 1 in place in area, elevator control
Power supply 4 processed is connected with the input of elevator control gear 2, in addition to electronic control panel 8, control transformer 9, door lock break-make are detected and opened
10, inspecting state detection switch 11, safety return circuit detection switch 12, jerk detection switch 13, button 14 of saving oneself, sound is closed to play
Device 15 and Push-button lamp, the control transformer 9, door-closing in-place detection switch 5, open the door detection switch 6, the detection of door lock break-make in place
Switch 10, leveling zone in place detection switch 7, safety return circuit detection switch 12, jerk detection switch 13, save oneself button 14 respectively with
The input of electronic control panel 8 connects, and the elevator control gear 2 passes through operation detecting switch 16 and the input of electronic control panel 8
Connection, the inspecting state detection switch 11, Audio Players 15 and Push-button lamp are connected with the output end of electronic control panel 8, described
Elevator control gear 2 connects outer network source 18 by powering off output relay 17, and the button 14 of saving oneself, Audio Players 15 are equal
It is arranged in car, the Push-button lamp is arranged on the surface of button 14 of saving oneself, and control transformer 9 input connects outer network source
18, output end is connected with outer net power cut detection device 19, and the input of outer net power cut detection device 19 is connected with electric power storage of declutching
Pond 20, the output end of battery 20 that declutches are connected with the input of electronic control panel 8.
Specifically, by leveling zone, detection switch 7 connects the output end of electronic control panel 8 with the contactor 21 that declutches in place
Connect, the contactor 21 that declutches is connected with the input of traction machine brake gear 3.
Specifically, in addition to envelope star contactor 22, enabling relay 23, troubleshooting relay 24, output is run up
Relay 25, the envelope star contactor 22, enabling relay 23, troubleshooting relay 24, power-off output relay 17, upwards
Operation output relay 25 be connected respectively with the output end of electronic control panel 8, the inspecting state detection switch 11 with run up
Output relay 25 is connected with elevator control gear 2 respectively.
Specifically, in addition to safety tongs motion detection relay 26, blowout detect relay 27, the safety tongs
Motion detection relay 26, blowout detection relay 27 are connected with the input of electronic control panel 8 respectively.
Specifically, the safety return circuit detection switch 12 includes limit inferior switchs, limit inferior switch, pit buffer, risen
Bearing up pulley and governor switch, the jerk detection switch 13 are anxious including jerk, car roof jerk, computer room in pit jerk, car
Stop.
This specific embodiment includes the application method of three kinds of above-mentioned elevator faults self-rescue systems.Application method one is elevator event
Hinder backward band-type brake coil power supply is provided and unclamp band-type brake mode to carry out coaster as follows to leveling zone, implementation step：
1）When operation detecting switch 7, the OR gate of safety return circuit detection switch 12 lock break-make detection switch 10 have signal to be input to
After electronic control panel 8, when door-closing in-place detection switch 5 has signal to be input to electronic control panel 8, the logic of electronic control panel 8
Control command power-off output relay 17 cuts off elevator controlling power supply 4 so that elevator control gear 2 has a power failure；
2）For outer network source 18 by controlling transformer 9 to be powered to electronic control panel 8, door-closing in-place detection switch 5 has signal
While being input to electronic control panel 8, Audio Players 15 are saved oneself button 14 by voice message passenger operation；
3）When electronic control panel 8 receives the signal for button 14 of saving oneself, electronic control panel 8 controls the contactor 21 that declutches to connect
Logical traction machine brake gear 3, control transformer 9 provide power supply to band-type brake coil simultaneously, and traction machine brake gear 3 opens band-type brake,
Traction machine 1 controls elevator to slide into flat bed region；
4）Detection switch 7 detects that elevator reaches leveling zone to leveling zone in place, and now electronic control panel 8 controls contact of declutching
Device 21 disconnects so that traction machine brake gear 3 powers off, the brake of band-type brake dead electricity, and traction machine 1 is out of service；
5）The output signal of electronic control panel 8 control enabling relay 23 opens elevator door, when detection switch 6 in place of opening the door
After detecting that elevator door is opened completely, elevator door is out of service.
Wherein, application method two be after outer network source 18 has a power failure by declutch battery 20 or the inverter transformation that declutches it is backward
It is as follows to leveling zone, implementation step that band-type brake coil offer power supply release band-type brake mode carries out coaster：
1）When outer net power cut detection device 19 detects that outer network source 18 has a power failure, the battery 20 that declutches is to electronic control panel
8 and band-type brake power supply；
2）Door-closing in-place detection switch 5 have signal be input to electronic control panel 8 when, Audio Players 15 are carried by voice
Show that passenger operation is saved oneself button；
3）When electronic control panel 8 receives the signal for button 14 of saving oneself, electronic control panel 8 controls the contactor 21 that declutches to connect
Logical traction machine brake is 3 systems, and the battery 20 that declutches provides power supply to band-type brake coil simultaneously, and traction machine brake gear 3 opens band-type brake,
Traction machine 1 controls elevator to slide into flat bed region；
4）Detection switch 7 detects that elevator reaches leveling zone to leveling zone in place, and now electronic control panel 8 controls contact of declutching
Device 21 disconnects so that traction machine brake gear 3 powers off, the brake of band-type brake dead electricity, and traction machine 1 is out of service；
5）The output signal of electronic control panel 8 control enabling relay 23 opens elevator door, when detection switch 6 in place of opening the door
After detecting that elevator door is opened completely, elevator door is out of service.
Wherein, application method three is to make elevator by inputting maintenance signal to elevator control gear 2 with slow after elevator faults
The speed of car reaches flat bed region, and implementation step is as follows：
1）When safety tongs motion detection relay 26 has signal to be input to electronic control panel 8, until door-closing in-place detection is opened
When closing 5 has the signal to be input to electronic control panel 8, electronic control panel 8 controls Audio Players 15 to pass through voice message passenger operation
Save oneself button 14；
2）When electronic control panel 8 receives the signal for button 14 of saving oneself, at the input signal of electronic control panel 8 control failure
Manage relay 24 and cause safety tongs shredding short circuit；
3）Inspecting state detection switch 11 is controlled simultaneously and runs up output relay 25 outputs signals to elevator respectively
Control device 2, elevator control gear 2 send the signal run up to traction machine 1；
4）When traction machine 1 controls elevator to run to flat bed region, detection switch 7 detects that elevator arrival is flat to leveling zone in place
Behind floor area, electronic control panel 8 disconnects troubleshooting relay 24 and runs up output relay 25, and traction machine 1 is out of service；
5）The output signal of electronic control panel 8 control enabling relay 23 opens elevator door, when detection switch 6 in place of opening the door
After detecting that elevator door is opened completely, elevator door is out of service.
Compared with prior art, above-mentioned three kinds of mode elevators are to leave leveling zone in normal driving process and break down to be stranded
After people, passenger carries out emergency self-saving function according to the voice message of the Audio Players 15 in elevator inside car, should
Passenger inside function guarantee car after elevator is made in the case of being perfectly safe with slow running to leveling zone, put by automatic door opening
Go out stranded passenger, stop the maintenance mans such as all operations after door-opened elevator to repair and fix a breakdown.The present apparatus is simple to operate, efficiency
Height, consuming time are short, can fast and safely release the passenger inside stranded elevator, eliminate because of the fear of the stranded passengers of long-time
Psychology, and avoid rescue personnel from causing unnecessary damage to elevator in rescue operations.
This specific embodiment disclose a kind of elevator faults it is oppressive after saved oneself by three kinds of methods to realize.Wherein, first
Kind of method is to provide to open band-type brake power supply and reach flat bed region by coaster mode to traction machine brake gear 3, then individually to
Door machine, which provides enabling signal, makes an opening, trapped personnel is released, suitable for layer door interlock switch, car door lock switch, elevator control
Device fuse, governor switch, expansion tightening wheel switch, buffer switch, limit inferior switchs, limit inferior switch and phase sequence processed
Failure caused by switch contact problem.
Second method is to input maintenance signal to elevator control gear 2 and run up signal, and elevator is by examining at a slow speed
Upward running method reaches flat bed region, and then individually providing enabling signal to door machine makes an opening, releases trapped personnel, is applicable
In failure caused by safety gear switch contact problems.
The third method is to the He of electronic control panel 8 after outer network source 18 has a power failure by declutch battery 20 or inverter
The band-type brake coil of traction machine brake gear 3 provides power supply, opens band-type brake power supply and reaches flat bed region by coaster mode, then
Individually providing enabling signal to door machine makes an opening, releases trapped personnel, causes suitable for the outer power-off switch problem of network source 18
Failure.
Wherein, in this specific embodiment, the effect of the inspecting state detection switch 11 is when elevator is in running
In input detection when leaving leveling zone action, the switching signal obtains in elevator operation contactor normally closed contact；Safety tongs acts
The effect of detection relay 26 is to provide maintenance conversion and to up to elevator control gear 2 after the reception signal of electronic control panel 8
The signal sailed, when elevator reaches flat bed region, then individually providing enabling signal to door machine makes an opening；Safety return circuit detection is opened
The effect for closing 12 is when limit inferior switchs, limit inferior switch, pit buffer switch, expansion tightening wheel switch, governor switch, up
When overspeed switch any one acts, the signal that declutches is inputted to electronic control panel 8；The effect of door-closing in-place detection switch 5 is elevator
Whether detection door is closed mode when being parked among floor, and the switching signal is that independent switch is arranged on the position that shuts up the door carefully
On；The effect for the detection switch 6 in place of opening the door is when elevator opens the door in leveling zone, and whether switch detection door is out to use up
State, the switching signal are present apparatus independent switches, are mounted in and hold successfully on a position；The effect of jerk detection switch 13 is to work as
Elevator when jerk, car top jerk, computer room scram action, will artificially be prohibited in pit jerk, car after the reception signal of electronic control panel 8
Only other all signal outputs of electronic control panel 8；The effect of button 14 of saving oneself is, it is necessary to people when elevator is parked in non-leveling zone
Inputted for operation, declutch signal or maintenance and upward signal are provided to band-type brake after the reception signal of electronic control panel 8.
Wherein, the effect of leveling zone detection switch 7 in place be when the car of elevator is parked in leveling opening region, should
Switch input signal provides the signal of enabling relay 23, opens elevator door to electronic control panel 8, electronic control panel 8；Door lock break-make
The effect of detection switch 10 be when elevator in normal operation because gate interlock disconnect caused by it is out of service when, to electronic control panel 8
Input signal, the reception signal of electronic control panel 8 contactor 21 that declutches backward provide signal and power supply；Blowout detects relay
The effect of device 27 is when the fuse of elevator control gear 2 is surprisingly burnt up, to the input signal of electronic control panel 8, electronics control
The reception signal of making sheet 8 contactor 21 that declutches backward provides signal and power supply；The effect of control transformer 9 is when elevator faults are backward
Electronic control panel 8 and the contactor 21 that declutches are powered；The effect of battery 20 of declutching is when elevator outer network source in the process of running
When 18 power down mode, powered to electronic control panel 8 and the contactor 21 that declutches.
Wherein, the effect of contactor 21 of declutching is when the band-type brake of elevator faults backward traction machine brake gear out of service carries
For opening band-type brake power supply, make elevator coaster to flat bed region after opening band-type brake；The effect for sealing star contactor 22 is to work as elevator traction
Elevator envelope star function is released while the band-type brake of machine brake gear 3 is opened 1-2 seconds and then resetted；The effect of enabling relay 23
It is to provide enabling signal to door opening machine for elevator after elevator reaches flat bed region, opens elevator door；Troubleshooting relay 24
Effect be when electronic control panel 8 receive the signal of safety tongs motion detection relay 26 input when, troubleshooting relay
Device 24 exports short circuit emergency loop and door lock, overhauling elevator speed is driven to leveling zone；Power off the effect of output relay 17
Be when electronic control panel 8 receive the arbitrary signal input of signal OR gate lock break-make detection switch 10 of operation detecting switch 16 when
Wait, power-off output relay 17 cuts off elevator controlling power supply 4.
Wherein, inspecting state detection switch 11 has two kinds of functions, and the first function is when elevator control gear 2 is in maintenance
All output signals of action cut-out electronic control panel 8 during state；Second of function is moved when electronic control panel 8 receives safety tongs
When making the signal input of detection relay 26, inspecting state detection switch 11 outputs signal to elevator control gear turn 2 and changes maintenance
Signal.The effect for running up output relay 25 is to provide to run up letter to electronic control panel 8 when overhauling elevator is run
Number.
In addition, in this specific embodiment, electronic control panel 8 must receive the input letter of door-closing in-place detection switch 5
After number, the contactor 21 that declutches, envelope star contactor 22, enabling relay 23, troubleshooting relay 24, power-off output relay
17th, inspecting state detection switch 11 or run up output relay 25 and can have ready conditions action.
Embodiment of above is only that preferred embodiment of the present utility model is described, not to the utility model
Scope be defined, on the premise of the utility model design spirit is not departed from, this area ordinary skill technical staff to this
The various modifications and improvement that the technical scheme of utility model is made, the guarantor that claims of the present utility model determine all should be fallen into
In the range of shield.
Claims (4)
1. a kind of elevator faults self-rescue system, including traction machine, elevator control gear, traction machine brake gear, elevator controlling electricity
Source, door-closing in-place detection switch, detection switch, leveling zone detection switch in place in place of opening the door, the elevator control gear, traction
Machine brake gear output end is connected with traction machine, and elevator controlling power supply is connected with elevator control gear input, and its feature exists
In：Also include electronic control panel, control transformer, door lock break-make detection switch, inspecting state detection switch, safety return circuit detection
Switch, jerk detection switch, button of saving oneself, Audio Players and Push-button lamp, the control transformer, door-closing in-place detection are opened
Close, detection switch, door lock break-make detection switch, leveling zone detection switch, safety return circuit detection switch, jerk in place in place of opening the door
Detection switch, button of saving oneself are connected with electronic control panel input respectively, and the elevator control gear passes through operation detecting switch
It is connected with electronic control panel input, inspecting state detection switch, Audio Players and the Push-button lamp and electronic control panel are defeated
Go out end connection, the elevator control gear connects outer network source by powering off output relay, and the button of saving oneself, sound play
Device is arranged in lift car, and the Push-button lamp is arranged on button Face of saving oneself, and the control transformer inputs connection is outer
Network source, output end are connected with outer net power cut detection device, and the outer net power cut detection device input is connected with electric power storage of declutching
Pond, the accumulator output end that declutches are connected with electronic control panel input.
A kind of 2. elevator faults self-rescue system according to claim 1, it is characterised in that：The electronic control panel output end
By leveling zone, detection switch is connected with the contactor that declutches in place, and the contactor that declutches connects with traction machine brake gear input
Connect.
A kind of 3. elevator faults self-rescue system according to claim 1, it is characterised in that：Also include envelope star contactor, open
Door relay, troubleshooting relay, run up output relay, the envelope star contactor, enabling relay, troubleshooting
Relay, output relay is powered off, output relay is run up and is connected respectively with electronic control panel output end, the maintenance shape
State detection switch and run up output relay and be connected respectively with elevator control gear.
A kind of 4. elevator faults self-rescue system according to claim 1, it is characterised in that：Also include safety tongs motion detection
Relay, blowout detection relay, the safety tongs motion detection relay, blowout detection relay difference
It is connected with electronic control panel input.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721200125.4U CN207175127U (en) | 2017-09-19 | 2017-09-19 | A kind of elevator faults self-rescue system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721200125.4U CN207175127U (en) | 2017-09-19 | 2017-09-19 | A kind of elevator faults self-rescue system |
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| Publication Number | Publication Date |
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| CN207175127U true CN207175127U (en) | 2018-04-03 |
Family
ID=61746681
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| CN201721200125.4U Active CN207175127U (en) | 2017-09-19 | 2017-09-19 | A kind of elevator faults self-rescue system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107416633A (en) * | 2017-09-19 | 2017-12-01 | 何根巨 | A kind of elevator faults self-rescue system and its application method |
| CN108689269A (en) * | 2018-06-05 | 2018-10-23 | 日立楼宇技术（广州）有限公司 | Elevator debugging method, equipment, system, computer equipment and storage medium |
| CN113753707A (en) * | 2021-10-26 | 2021-12-07 | 杭州赛翔科技有限公司 | Villa elevator fault self-rescue system |
| CN115352976A (en) * | 2022-08-22 | 2022-11-18 | 法立奥电梯(广东)有限公司 | Elevator fault detection and analysis method |
-
2017
- 2017-09-19 CN CN201721200125.4U patent/CN207175127U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107416633A (en) * | 2017-09-19 | 2017-12-01 | 何根巨 | A kind of elevator faults self-rescue system and its application method |
| CN107416633B (en) * | 2017-09-19 | 2023-04-07 | 何根巨 | Elevator fault self-rescue system and using method thereof |
| CN108689269A (en) * | 2018-06-05 | 2018-10-23 | 日立楼宇技术（广州）有限公司 | Elevator debugging method, equipment, system, computer equipment and storage medium |
| CN113753707A (en) * | 2021-10-26 | 2021-12-07 | 杭州赛翔科技有限公司 | Villa elevator fault self-rescue system |
| CN115352976A (en) * | 2022-08-22 | 2022-11-18 | 法立奥电梯(广东)有限公司 | Elevator fault detection and analysis method |
| CN115352976B (en) * | 2022-08-22 | 2023-10-13 | 法立奥电梯(广东)有限公司 | Elevator fault detection and analysis method |
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Effective date of registration: 20230922 Address after: Floor 1, Building C2, No. 33, Xiabai Industrial Avenue, Luocun, Shishan Town, Nanhai District, Foshan City, Guangdong Province, 528000 Patentee after: Xizi General Elevator (Guangdong) Co.,Ltd. Address before: room_6b_ , _block_17_ , _xingheting_ , _weilan_xinghu_ , _dongcheng_district_ , _dongguan_city_ , _guangdong_province_523000_ Patentee before: He Genju |