CN113860109A - Elevator remote rescue method and remote rescue system - Google Patents
Elevator remote rescue method and remote rescue system Download PDFInfo
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- CN113860109A CN113860109A CN202111210386.5A CN202111210386A CN113860109A CN 113860109 A CN113860109 A CN 113860109A CN 202111210386 A CN202111210386 A CN 202111210386A CN 113860109 A CN113860109 A CN 113860109A
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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
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
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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
- B66B5/0087—Devices facilitating maintenance, repair or inspection tasks
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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
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/027—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions to permit passengers to leave an elevator car in case of failure, e.g. moving the car to a reference floor or unlocking the door
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B50/00—Energy efficient technologies in elevators, escalators and moving walkways, e.g. energy saving or recuperation technologies
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- Maintenance And Inspection Apparatuses For Elevators (AREA)
- Indicating And Signalling Devices For Elevators (AREA)
Abstract
The invention discloses an elevator remote rescue method and an elevator remote rescue system. If the elevator needs to be rescued, the elevator remote rescue platform sends out a rescue instruction or transmits the rescue instruction to the maintenance terminal, the rescue instruction is sent out after confirmation, the rescue instruction is transmitted to the monitoring device through the communication network, and the monitoring device judges whether to start the emergency power supply or not according to the rescue instruction and sends out the rescue instruction to the elevator control device. And the elevator control device implements a corresponding rescue scheme according to the rescue instruction, and controls the car to safely move under the condition of judging the safety of the elevator. In the whole operation process, the elevator Internet of things system feeds the real-time state of the elevator back to the elevator remote rescue platform, and the elevator remote rescue platform or the maintenance terminal judges whether to implement further rescue according to the feedback information.
Description
Technical Field
The invention relates to an elevator control technology, in particular to an elevator remote rescue method and a remote rescue system.
Background
With the development of society, elevators have become essential vertical transportation means for people to go out daily. In order to realize safe riding of the elevator, countries and many areas put higher and higher requirements on rescue after people are trapped by the elevator. Generally, elevator maintenance service regulations require that the time for maintenance personnel to arrive at the site is not more than 30 minutes for elevator emergency rescue, and some areas even require that the trapped personnel must be rescued within 30 minutes, which is a great challenge for elevator maintenance units.
In order to solve the problem, some elevator companies provide own schemes, maintain stations are reasonably arranged, and maintenance personnel are efficiently allocated by using the internet of things technology. The elevator company also provides a remote rescue scheme, but the scheme is not connected with an elevator remote alarm system and an elevator Internet of things system. The trapped people are required to participate, rescue cannot be actively implemented, the implementation process is unscientific, whole-process monitoring and communication cannot be achieved, and safety and humanization are not enough.
Disclosure of Invention
One of the technical problems to be solved by the invention is to provide an elevator remote rescue method aiming at the problems that the existing elevator rescue scheme needs trapped people to participate, the rescue cannot be actively implemented and the rescue implementation process is not scientific, so that the feasibility and the safety of the elevator remote rescue can be integrally realized, and the elevator remote rescue method is greatly convenient for a maintenance unit.
The second technical problem to be solved by the invention is to provide an elevator remote rescue system for realizing the elevator remote rescue method.
In order to achieve the purpose, the invention discloses an elevator remote rescue method, which comprises the following steps: when the elevator normally operates, the monitoring device and the elevator control device transmit elevator real-time operation data to the elevator alarm signal analysis and rescue task assignment device and the maintenance terminal through the communication network; when the lift car is trapped, the lift alarm device is triggered and sends out a person-related report message to be transmitted to the lift alarm signal collection device and the maintenance terminal through the communication network, or the monitoring device monitors that a person is in the lift car and the lift stops at a non-door area, sends out the person-related report message to be transmitted to the lift alarm signal collection device and the maintenance terminal through the communication network; the elevator alarm signal collecting device sends the collected elevator alarm signals to the elevator alarm signal analyzing and rescuing task dispatching device; the elevator alarm signal analysis and rescue task dispatching device judges whether rescue is needed according to the elevator alarm signal; if the rescue is needed, the elevator alarm signal analysis and rescue task assignment device is used for making a rescue instruction according to the elevator alarm signal and sending the rescue instruction to the monitoring device or pushing the rescue instruction to the maintenance terminal, a rescue organization confirms the rescue instruction on the maintenance terminal, if the rescue instruction is a remote rescue instruction, the rescue instruction is sent to the monitoring device, and if the rescue instruction is not the remote rescue instruction, the maintenance terminal arrives at the site through rescue personnel for rescue; when the rescue instruction is a remote rescue instruction, the monitoring device controls the emergency power supply or/and the elevator control device to implement remote rescue according to the remote rescue instruction; the elevator control device implements a corresponding rescue scheme according to the remote rescue instruction; in the whole remote rescue process, the monitoring device and the elevator control device feed back the real-time state of the elevator to the elevator alarm signal analysis and rescue task assignment device and the maintenance terminal, and the elevator alarm signal analysis and rescue task assignment device and the maintenance terminal judge whether to implement further rescue according to the real-time state feedback information of the elevator.
In a preferred embodiment of the invention, when the elevator alarm signal analysis and rescue task assigning device judges that the current power supply is abnormal, the elevator alarm signal analysis and rescue task assigning device makes a rescue command according to the elevator alarm signal and contains information for starting an emergency power supply;
when the elevator alarm signal analysis and rescue task assignment device judges that the current fault is a fault which can be remotely cleared, the elevator alarm signal analysis and rescue task assignment device makes a rescue command containing information for remotely clearing the fault according to the elevator alarm signal;
when the elevator alarm signal analysis and rescue task allocation device judges that the current fault is a shaft safety switch action and rescue can be implemented through emergency electric operation, a rescue instruction is pushed to the maintenance terminal, and the maintenance terminal manually judges whether to implement remote rescue;
when the elevator alarm signal analysis and rescue task assignment device judges that the current fault can be rescued through maintenance operation, a rescue instruction is pushed to the maintenance terminal, and the maintenance terminal manually judges whether to implement remote rescue;
when the elevator alarm signal analysis and rescue task allocation device judges that power is off and the emergency power supply is only used for releasing the brake of the main machine, or the current fault is judged that the control device cannot control the elevator main machine, the rescue command contains information of remote brake release.
In a preferred embodiment of the invention, the elevator control device controls the safe movement of the elevator car under the condition of judging the safety of the elevator according to the remote rescue instruction; when the rescue information in the remote rescue instruction is four rescue schemes of automatically recovering to operate to a door area after remotely clearing faults, remotely starting an emergency power supply to operate to the door area, remotely emergently electrically operating to the door area and remotely overhauling to operate to the door area, an original control system of the elevator control device can control the elevator to operate at a set speed, and the operation speed of the lift car is controllable; when the scheme of remotely releasing the brake to release passengers is adopted, the lift car is moved mainly according to the unbalance of the lift car and the lift counterweight; if not, the speed of the car is not controllable due to the unbalance. At the moment, the elevator control device controls the opening and closing of the main machine brake and/or the three-phase star sealer of the elevator main machine according to the speed of the elevator car: when the moving speed of the lift car is less than a threshold value 1, the elevator control device controls a main machine brake and/or a main machine three-phase star closure to be opened, and the moving speed of the lift car is increased; when the moving speed of the car exceeds the threshold value 2, the elevator control device controls the three-phase star closure of the main machine brake and/or the main machine to reduce the moving speed of the car. Through the control, the moving speed of the lift car is ensured to be in a certain range, and the safety of passengers is protected;
when the scheme of releasing passengers by remotely releasing the brake is adopted, if the unbalance amount of the lift car and the lift counterweight is small under the condition that the brake and the star closure are opened, the speed of the lift car is zero or very small, at the moment, the state of the lift car is transmitted to the lift alarm signal analysis and rescue task assignment device and the maintenance terminal through the communication network, and a rescue organization or maintenance personnel judges whether the lift car is further rescued.
In a preferred embodiment of the invention, said further rescue refers to the implementation of a different rescue scheme, a live rescue or other rescue method.
In a preferred embodiment of the invention, the elevator control controls the closing of the door and the opening of the door to release the passenger when the car is detected to be in the door zone position. In the whole rescue process, the rescue organization can keep audio and video connection with passengers in the car through the elevator remote alarm system, the elevator Internet of things system or the maintenance terminal, rescue is implemented under the condition that the safety of the passengers in the car is ensured, and the passengers in the car are pacified.
The invention discloses an elevator remote rescue system for realizing the elevator remote rescue method, which comprises the following steps:
the elevator remote rescue platform is provided with an elevator alarm signal analysis and rescue task assignment device, the elevator alarm signal analysis and rescue task assignment device can analyze the received elevator alarm signal, judge whether rescue is needed or not and select which rescue mode according to the analysis result, and implement autonomous rescue or assign a rescue task to the outside according to the selected rescue mode;
the elevator alarm signal collecting device is used for collecting elevator alarm signals and sending the collected elevator alarm signals to the elevator alarm signal analyzing and rescue task dispatching device;
the elevator alarm device is connected with the elevator alarm signal collecting device through a communication network, and when an alarm is needed, the elevator alarm device is triggered and sends out the alarm information of a person to the elevator alarm signal collecting device;
the monitoring device is connected with the elevator alarm signal collecting device through a communication network, is in signal connection with the elevator control device and monitors whether people exist in the elevator car; the elevator control device is in control connection with the elevator main machine and the main machine brake so as to control the running state of the elevator main machine and the braking and opening state of the main machine brake.
In a preferred embodiment of the invention, the elevator monitoring system further comprises a maintenance terminal, and the maintenance terminal is connected with the elevator control device, the elevator alarm signal analysis and rescue task dispatching device, the elevator alarm device and the monitoring device through a communication network to realize data transmission.
In a preferred embodiment of the invention, the elevator alarm signal collecting device is arranged in or integrated in the elevator remote rescue platform.
In a preferred embodiment of the invention, the monitoring device is integrated in the elevator control.
In a preferred embodiment of the invention, the elevator alarm device comprises a car alarm device, a transmitter and a communicator; when the elevator alarm device is triggered, the transmitting device transmits corresponding person-closing information to the elevator alarm signal collecting device.
In a preferred embodiment of the present invention, the communication network is an elevator remote alarm network or an elevator internet of things network, and the two networks can be separately arranged or share one communication network.
In a preferred embodiment of the present invention, the monitoring device is connected to the emergency power supply, and the emergency power supply can select whether to allocate power or not and allocate power according to actual conditions.
Due to the adoption of the technical scheme, the invention integrally realizes the feasibility and the safety of the elevator remote rescue and greatly facilitates the maintenance unit.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the present invention are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an elevator remote rescue system of the invention.
Detailed Description
The technical solutions in the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, the elevator remote rescue system shown in the figure comprises an elevator remote rescue platform 100, which can be an elevator enterprise platform or an elevator industry platform.
The elevator remote rescue platform 100 is provided with an elevator alarm signal analysis and rescue task assignment device 101 which can analyze the received elevator alarm signal, judge whether rescue is needed or not and select which rescue mode according to the analysis result, and implement autonomous rescue or assign a rescue task to the outside according to the selected rescue mode.
The elevator alarm system further comprises an elevator alarm signal collecting device 102 and an elevator alarm device, wherein the elevator alarm signal collecting device 102 is used for collecting elevator alarm signals and sending the collected elevator alarm signals to the elevator alarm signal analyzing and rescue task dispatching device 101. The elevator alarm signal collecting device 102 is disposed in the elevator remote rescue platform 100 or integrated in the elevator remote rescue platform 100.
The elevator alarm device comprises a machine room alarm device 201, a car alarm device 202, a transmitting device and a communication device. The machine room alarm device 201, the car alarm device 202, the transmitter and the communicator can be directly connected with the elevator alarm signal collecting device 102 through the communication network 103, so that the information transmission and communication functions are realized. When the elevator alarm device is triggered, the transmitter sends corresponding close information to the elevator alarm signal collector 102.
The elevator alarm monitoring system further comprises a monitoring device 104, the monitoring device 104 is connected with the elevator alarm signal collecting device 102 through a communication network 103, and the monitoring device 104 is further connected with an elevator control device 301 in a signal mode and used for monitoring whether people exist in the elevator car or not.
The monitoring device 104 can be integrated in the elevator control 301. In addition, the monitoring device 104 can also be part of an elevator warning device.
The communication network 103 is an elevator remote alarm network or an elevator internet of things network, and the elevator remote alarm network or the elevator internet of things network can be separately arranged or can share one communication network, so that the elevator alarm device, the elevator alarm signal collecting device 102 and the communication network 103 can form an elevator remote alarm system; the monitoring device 104, the communication network 103 and the elevator alarm signal collecting device 102 can also form an elevator internet of things system, namely, components of the elevator remote alarm system and the elevator internet of things system can be shared or integrated together.
The elevator maintenance terminal 500 is used for maintenance of the elevator, and the maintenance terminal 500 is connected with the elevator control device 301, the elevator alarm signal analysis and rescue task assignment device 101, the elevator alarm device and the monitoring device 104 through the communication network 103 to realize data transmission. That is, the elevator remote alarm system, the elevator internet of things system, the maintenance terminal 500 and the elevator control device 301 are connected through the communication network 103.
The elevator control device 301 controls the rotation of the elevator machine 401 and the opening and closing of the machine brake 402. The elevator machine 401 rotates to drive the car 404 to move in the hoistway. The elevator machine 401 is attached with a machine brake 402, and the opening and closing, i.e., opening and closing, thereof is controlled by the elevator control device 301. The emergency power supply 302 is used for emergency power supply during power failure, and whether or not to be configured is selected according to actual needs.
The monitoring device 104 is in control connection with the emergency power supply 302, and the emergency power supply 302 can select whether to be matched and the matched power according to actual conditions.
The invention discloses an elevator remote rescue method based on the elevator remote rescue system, which comprises the following steps: when the elevator normally operates, the monitoring device 104 and the elevator control device 301 transmit the real-time operation data of the elevator to the elevator alarm signal analyzing and rescuing task assigning device 101 and the maintenance terminal 500 through the communication network 103, namely, the elevator internet of things system.
When the car 404 is trapped, the elevator alarm device, namely the elevator remote alarm system, is triggered and sends out the information of the people being called and is transmitted to the elevator alarm signal collecting device 102 and the maintenance terminal 500 through the communication network 103, or the monitoring device 104 monitors that people are in the car 404 and the elevator stops at a non-door zone and sends out the information of the people being called and is transmitted to the elevator alarm signal collecting device 102 and the maintenance terminal 500 through the communication network 103; the elevator alarm signal collecting device 102 sends the collected elevator alarm signal to the elevator alarm signal analyzing and rescuing task assigning device 101; the elevator alarm signal analyzing and rescue task assigning device 101 judges whether rescue is needed according to the elevator alarm signal.
If the rescue is needed, the elevator alarm signal analysis and rescue task assignment device 101 makes a rescue instruction according to the elevator alarm signal and sends the rescue instruction to the monitoring device 104 or pushes the rescue instruction to the maintenance terminal 500, the rescue organization confirms the rescue instruction on the maintenance terminal 500, if the rescue instruction is a remote rescue instruction, the rescue instruction is sent to the monitoring device 104, and if the rescue instruction is not the remote rescue instruction, the maintenance terminal 500 arrives at the site through rescuers for rescue.
The elevator alarm signal analysis and rescue task assignment device 101 makes a rescue instruction according to elevator real-time state information and person-related report information, and specifically comprises the following steps:
when the elevator alarm signal analysis and rescue task assignment device 101 judges that the current power supply is abnormal, the elevator alarm signal analysis and rescue task assignment device 101 makes a rescue command containing information for starting the emergency power supply 302 according to the elevator alarm signal;
when the elevator alarm signal analysis and rescue task assignment device 101 judges that the current fault is a fault which can be remotely cleared, the elevator alarm signal analysis and rescue task assignment device 101 makes information containing the remote clearing fault in a rescue instruction according to the elevator alarm signal;
when the elevator alarm signal analysis and rescue task assignment device 101 judges that the current fault is a shaft safety switch action and rescue can be implemented through emergency electric operation, a rescue instruction is pushed to the maintenance terminal 500, and the maintenance terminal 500 manually judges whether to implement remote rescue;
when the elevator alarm signal analysis and rescue task assignment device 101 judges that the current fault can be rescued through maintenance operation, a rescue instruction is pushed to the maintenance terminal 500, and the maintenance terminal 500 manually judges whether to implement remote rescue;
when the elevator alarm signal analysis and rescue task dispatching device 101 judges that power is off and the emergency power supply 302 is only used for releasing the main machine brake 402, or judges that the current fault is that the control device cannot control the elevator main machine, the rescue command contains information of remote brake release.
When the rescue instruction is a remote rescue instruction, the monitoring device 104 controls the emergency power supply 302 or/and the elevator control device 301 to carry out remote rescue according to the remote rescue instruction; the elevator control device 301 implements a corresponding rescue plan according to the remote rescue instruction, as follows:
the elevator control device 301 controls the car 404 to safely move under the condition of judging the safety of the elevator according to the remote rescue instruction; when the rescue information in the remote rescue instruction is three rescue schemes of automatically recovering to operate to a door area after remotely clearing the fault, remotely starting the emergency power supply 302 to operate to the door area and remotely emergency electrically operating to the door area, the original control system of the elevator control device 301 controls the elevator to operate at a set speed, and the operation speed of the car 404 is controllable; when the scheme of remotely releasing the passengers is adopted, the car 404 is moved mainly according to the unbalance of the car 404 and the elevator counterweight 405; if not, the speed of the car 404 is not controllable because the amount of imbalance is not constant. At this time, the elevator control device 301 controls the opening and closing of the main machine brake 403 and/or the three-phase star of the elevator main machine 401 according to the speed of the car 404: when the moving speed of the car 404 is less than the threshold value 1, the elevator control device 301 controls the three-phase star-closing opening of the main machine brake 403 and (or) the main machine 401, and the moving speed of the car 404 is increased; when the moving speed of the car 404 exceeds the threshold 2, the elevator control device 301 controls the three-phase star closure of the main machine brake 403 and/or the main machine 401, and reduces the moving speed of the car 404. By such control, the moving speed of the car 404 is ensured within a certain range, and the safety of passengers is protected.
When the scheme of remotely releasing the brake to release the passengers is adopted, if the unbalance amount of the car 404 and the elevator counterweight 405 is small under the condition that the brake and the star is opened, the speed of the car 404 is zero or very small, at the moment, the elevator state is transmitted to the elevator alarm signal analysis and rescue task assignment device 101 and the maintenance terminal 500 through the communication network 103, and a rescue organization or a maintenance worker judges whether to further rescue. In the whole remote rescue process, the monitoring device 104 and the elevator control device 301 feed back the real-time state of the elevator to the elevator alarm signal analyzing and rescuing task assigning device 101 and the maintenance terminal 500, and the elevator alarm signal analyzing and rescuing task assigning device 101 and the maintenance terminal 500 judge whether to implement further rescue according to the real-time state feedback information of the elevator.
The further rescue is implemented by different rescue schemes, on-site rescue or other rescue methods. When the car 404 is detected to be in the door zone position, the elevator control device 301 controls to close the door and open the door to release the passenger. In the whole rescue process, the rescue organization can keep audio and video connection with passengers in the car 404 through an elevator remote alarm system, an elevator internet of things system or a maintenance terminal 500, rescue is implemented under the condition that the safety of the passengers in the car is ensured, and the passengers in the car 404 are pacified.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (12)
1. An elevator remote rescue method is characterized in that: when the elevator normally operates, the monitoring device and the elevator control device transmit elevator real-time operation data to the elevator alarm signal analysis and rescue task assignment device and the maintenance terminal through the communication network; when the lift car is trapped, the lift alarm device is triggered and sends out a person-related report message to be transmitted to the lift alarm signal collection device and the maintenance terminal through the communication network, or the monitoring device monitors that a person is in the lift car and the lift stops at a non-door area, sends out the person-related report message to be transmitted to the lift alarm signal collection device and the maintenance terminal through the communication network; the elevator alarm signal collecting device sends the collected elevator alarm signals to the elevator alarm signal analyzing and rescuing task dispatching device; the elevator alarm signal analysis and rescue task dispatching device judges whether rescue is needed according to the elevator alarm signal; if the rescue is needed, the elevator alarm signal analysis and rescue task assignment device is used for making a rescue instruction according to the elevator alarm signal and sending the rescue instruction to the monitoring device or pushing the rescue instruction to the maintenance terminal, a rescue organization confirms the rescue instruction on the maintenance terminal, if the rescue instruction is a remote rescue instruction, the rescue instruction is sent to the monitoring device, and if the rescue instruction is not the remote rescue instruction, the maintenance terminal arrives at the site through rescue personnel for rescue; when the rescue instruction is a remote rescue instruction, the monitoring device controls the emergency power supply or/and the elevator control device to implement remote rescue according to the remote rescue instruction; the elevator control device implements a corresponding rescue scheme according to the remote rescue instruction; in the whole remote rescue process, the monitoring device and the elevator control device feed back the real-time state of the elevator to the elevator alarm signal analysis and rescue task assignment device and the maintenance terminal, and the elevator alarm signal analysis and rescue task assignment device and the maintenance terminal judge whether to implement further rescue according to the real-time state feedback information of the elevator.
2. The elevator remote rescue method as claimed in claim 1, characterized in that: when the elevator alarm signal analysis and rescue task assignment device judges that the current power supply is abnormal, the elevator alarm signal analysis and rescue task assignment device makes a rescue command containing information for starting an emergency power supply according to an elevator alarm signal;
when the elevator alarm signal analysis and rescue task assignment device judges that the current fault is a fault which can be remotely cleared, the elevator alarm signal analysis and rescue task assignment device makes a rescue command containing information for remotely clearing the fault according to the elevator alarm signal;
when the elevator alarm signal analysis and rescue task allocation device judges that the current fault is a shaft safety switch action and rescue can be implemented through emergency electric operation, a rescue instruction is pushed to the maintenance terminal, and the maintenance terminal manually judges whether to implement remote rescue;
when the elevator alarm signal analysis and rescue task assignment device judges that the current fault can be rescued through maintenance operation, a rescue instruction is pushed to the maintenance terminal, and the maintenance terminal manually judges whether to implement remote rescue;
when the elevator alarm signal analysis and rescue task allocation device judges that power is off and the emergency power supply is only used for releasing the brake of the main machine, or the current fault is judged that the control device cannot control the elevator main machine, the rescue command contains information of remote brake release.
3. The elevator remote rescue method as claimed in claim 1 or 2, characterized in that: the elevator control device controls the car to safely move under the condition of judging the safety of the elevator according to the remote rescue instruction; when the rescue information in the remote rescue instruction is four rescue schemes of automatically recovering to operate to a door area after remotely clearing faults, remotely starting an emergency power supply to operate to the door area, remotely emergently electrically operating to the door area and remotely overhauling to operate to the door area, an original control system of the elevator control device can control the elevator to operate at a set speed, and the operation speed of the lift car is controllable; when the scheme of remotely releasing the brake to release passengers is adopted, the lift car is moved mainly according to the unbalance of the lift car and the lift counterweight; if not, the speed of the car is not controllable due to the unbalance. At the moment, the elevator control device controls the opening and closing of the main machine brake and/or the three-phase star sealer of the elevator main machine according to the speed of the elevator car: when the moving speed of the lift car is less than a threshold value 1, the elevator control device controls a main machine brake and/or a main machine three-phase star closure to be opened, and the moving speed of the lift car is increased; when the moving speed of the car exceeds the threshold value 2, the elevator control device controls the three-phase star closure of the main machine brake and/or the main machine to reduce the moving speed of the car. Through the control, the moving speed of the lift car is ensured to be in a certain range, and the safety of passengers is protected;
when the scheme of releasing passengers by remotely releasing the brake is adopted, if the unbalance amount of the lift car and the lift counterweight is small under the condition that the brake and the star closure are opened, the speed of the lift car is zero or very small, at the moment, the state of the lift car is transmitted to the lift alarm signal analysis and rescue task assignment device and the maintenance terminal through the communication network, and a rescue organization or maintenance personnel judges whether the lift car is further rescued.
4. An elevator remote rescue method as claimed in claim 3, characterized in that: the further rescue refers to implementing different rescue schemes, on-site rescue or other rescue methods.
5. The elevator remote rescue method as claimed in claim 4, characterized in that: when the car is detected to be in the door area position, the elevator control device controls to be switched on, and the door is opened to release passengers. In the whole rescue process, the rescue organization can keep audio and video connection with passengers in the car through the elevator remote alarm system, the elevator Internet of things system or the maintenance terminal, rescue is implemented under the condition that the safety of the passengers in the car is ensured, and the passengers in the car are pacified.
6. An elevator remote rescue system for realizing the elevator remote rescue method of any one of claims 1 to 5, characterized by comprising:
the elevator remote rescue platform is provided with an elevator alarm signal analysis and rescue task assignment device, the elevator alarm signal analysis and rescue task assignment device can analyze the received elevator alarm signal, judge whether rescue is needed or not and select which rescue mode according to the analysis result, and implement autonomous rescue or assign a rescue task to the outside according to the selected rescue mode;
the elevator alarm signal collecting device is used for collecting elevator alarm signals and sending the collected elevator alarm signals to the elevator alarm signal analyzing and rescue task dispatching device;
the elevator alarm device is connected with the elevator alarm signal collecting device through a communication network, and when an alarm is needed, the elevator alarm device is triggered and sends out the alarm information of a person to the elevator alarm signal collecting device;
the monitoring device is connected with the elevator alarm signal collecting device through a communication network, is in signal connection with the elevator control device and monitors whether people exist in the elevator car; the elevator control device is in control connection with the elevator main machine and the main machine brake so as to control the running state of the elevator main machine and the braking and opening state of the main machine brake.
7. The elevator remote rescue system of claim 6, further comprising a maintenance terminal connected to the elevator control device, the elevator alarm signal analyzing and rescue task assigning device, the elevator alarm device, and the monitoring device via a communication network for data transmission.
8. Elevator remote rescue system according to claim 7, characterized in that the elevator alarm signal collection device is arranged in the elevator remote rescue platform or integrated in the elevator remote rescue platform.
9. Elevator remote rescue system according to claim 8, characterized in that the monitoring device is integrated in the elevator control.
10. The elevator remote rescue system of claim 9, wherein the elevator warning device comprises a car warning device, a transmitter device and a communicator device; when the elevator alarm device is triggered, the transmitting device transmits corresponding person-closing information to the elevator alarm signal collecting device.
11. An elevator remote rescue system as defined in claim 10, wherein the communication network is an elevator remote alarm network or an elevator internet of things network, which can be separately provided or share one communication network.
12. An elevator remote rescue system as defined in claim 11, further comprising an emergency power supply, wherein the monitoring device is in control connection with the emergency power supply, and the emergency power supply can select whether to be matched and the matched power according to actual conditions.
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| CN202111210386.5A CN113860109B (en) | 2021-10-18 | 2021-10-18 | Elevator remote rescue method and remote rescue system |
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| CN202111210386.5A CN113860109B (en) | 2021-10-18 | 2021-10-18 | Elevator remote rescue method and remote rescue system |
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| CN110775764A (en) * | 2019-11-06 | 2020-02-11 | 辽宁时拓检测服务有限公司 | Elevator remote rescue device and rescue method |
| CN111762652A (en) * | 2020-07-14 | 2020-10-13 | 快意电梯股份有限公司 | Elevator trapping message notification device and method based on Internet of things system |
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| JP2014172707A (en) * | 2013-03-08 | 2014-09-22 | Hitachi Building Systems Co Ltd | Remote monitoring system for elevator |
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| CN108821051A (en) * | 2018-06-25 | 2018-11-16 | 中联重科股份有限公司 | The long-range rescue mode of elevator passenger and system |
| CN110589653A (en) * | 2019-09-20 | 2019-12-20 | 广东亚太西奥电梯有限公司 | Intelligent escaping elevator, independent escaping device thereof and intelligent elevator escaping method |
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