WO2025123793A1 - Procédé et appareil de commande d'ascenseur, dispositif de commande d'ascenseur, système de sécurité d'ascenseur et ascenseur - Google Patents

Procédé et appareil de commande d'ascenseur, dispositif de commande d'ascenseur, système de sécurité d'ascenseur et ascenseur Download PDF

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Publication number
WO2025123793A1
WO2025123793A1 PCT/CN2024/115750 CN2024115750W WO2025123793A1 WO 2025123793 A1 WO2025123793 A1 WO 2025123793A1 CN 2024115750 W CN2024115750 W CN 2024115750W WO 2025123793 A1 WO2025123793 A1 WO 2025123793A1
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WIPO (PCT)
Prior art keywords
floor
safety
elevator
target
car position
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Application number
PCT/CN2024/115750
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English (en)
Chinese (zh)
Inventor
潘敏杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GD Midea Heating and Ventilating Equipment Co Ltd
Winone Elevator Co Ltd
Original Assignee
GD Midea Heating and Ventilating Equipment Co Ltd
Winone Elevator Co Ltd
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Application filed by GD Midea Heating and Ventilating Equipment Co Ltd, Winone Elevator Co Ltd filed Critical GD Midea Heating and Ventilating Equipment Co Ltd
Publication of WO2025123793A1 publication Critical patent/WO2025123793A1/fr
Anticipated expiration legal-status Critical
Pending legal-status Critical Current

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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
    • 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

Definitions

  • the present disclosure relates to the technical field of elevators, and in particular to an elevator control method, an elevator control device, an elevator controller, a computer-readable storage medium, a computer program, a computer program product, an elevator safety system, and an elevator.
  • the state of the hall door of each floor is monitored through the elevator safety link, and when the hall door is not closed normally, the elevator is controlled to stop running urgently to ensure the safety of passengers.
  • the triggering of the elevator emergency stop action will cause passengers to be trapped in the elevator car for a long time until the arrival of rescue personnel, which reduces the passengers' riding experience.
  • the present disclosure aims to solve at least one of the technical problems in the related art to a certain extent.
  • the first purpose of the present disclosure is to propose an elevator control method, which performs rescue operations in combination with the car position, the target floor and the safe area when a fault floor occurs and the car position is in a safe area, so as to complete the passenger rescue in time under the premise of ensuring safety, avoid the situation where passengers are trapped in the elevator car for a long time, and improve the passenger riding experience.
  • a second object of the present disclosure is to provide a computer-readable storage medium.
  • the third objective of the present disclosure is to provide an elevator controller.
  • a fourth objective of the present disclosure is to provide a computer-readable storage medium.
  • a fifth object of the present disclosure is to provide a computer program.
  • a sixth object of the present disclosure is to provide a computer program product.
  • a seventh objective of the present disclosure is to provide an elevator safety system.
  • the fault floor is first determined, and the safety zone is determined according to the fault floor. domain, and when the car position is in the safe area, the target stop floor is determined according to the car position, the target floor and the safe area, so as to perform the rescue operation according to the target stop floor, wherein the target floor is the floor selected by the user. Therefore, when a fault floor occurs and the car position is in the safe area, the method performs the rescue operation in combination with the car position, the target floor and the safe area, and can complete the passenger rescue in time under the premise of ensuring safety, avoid the situation where passengers are trapped in the elevator car for a long time, and improve the passenger riding experience.
  • the elevator control method according to the above embodiment of the present disclosure may also have the following additional technical features:
  • each floor is provided with a hall door lock
  • determining the faulty floor includes: obtaining the position of the hall door lock where the fault occurs; and determining the faulty floor according to the position of the hall door lock.
  • the target stopping floor is determined based on the car position, the target floor and the safety area, including: when the target floor is within the safety area, the target stopping floor is determined based on the positional relationship between the car position and the target floor; when the target floor is outside the safety area, the target stopping floor is determined based on the car position and the safety area.
  • the target stopping floor is determined based on the positional relationship between the car position and the target floor, including: when the car position and the target floor are on the same side of the fault floor, the target floor is used as the target stopping floor; when the car position and the target floor are on both sides of the fault floor, the target stopping floor is determined according to the car position and the safety area.
  • the elevator control method also includes: when the car position is outside the safety area, controlling the elevator to stop urgently, and determining the target stopping floor according to the car position and the safety area, so as to perform rescue operations after the elevator stops urgently according to the target stopping floor.
  • the target stopping floor is determined according to the car position and the safety area, including: determining the limit position of the safety area according to the car position and the safety area, and taking the floor closest to the limit position of the safety area and within the safety area as the target stopping floor, and excluding faulty floors between the car position and the target stopping floor.
  • determining a safe area according to a faulty floor includes: obtaining the running speed and braking capacity of the elevator; determining a target safe distance according to the running speed and braking capacity; and determining a safe area based on the target safe distance and the faulty floor.
  • determining a target safety distance according to a running speed and a braking capability includes: determining a distance adjustment parameter according to the running speed and the braking capability; and adjusting a preset safety distance based on the distance adjustment parameter to obtain a target safety distance.
  • determining a safe area according to a faulty floor includes: determining the safe area based on the faulty floor and a preset safety distance.
  • the elevator control method further includes: adjusting a preset service floor interval of the elevator according to the safety area.
  • the second aspect embodiment of the present disclosure proposes an elevator control device, which includes: a first determination module, used to determine the fault floor, and determine the safe area according to the fault floor; a second determination module, used to determine the target stop floor according to the car position, the target floor and the safe area when the car position is within the safe area, so as to perform a rescue operation according to the target stop floor, wherein the target floor is a floor selected by the user.
  • the faulty floor is determined by the first determining module, and the faulty floor is determined according to the first determining module.
  • the first layer determines the safety area
  • the second determination module determines the target stop floor according to the car position, the target floor and the safety area when the car position is in the safety area, so as to perform the rescue operation according to the target stop floor, wherein the target floor is the floor selected by the user.
  • the device when a fault floor occurs and the car position is in the safety area, the device performs the rescue operation in combination with the car position, the target floor and the safety area, and can complete the passenger rescue in time under the premise of ensuring safety, avoid the situation where passengers are trapped in the elevator car for a long time, and improve the passenger riding experience.
  • the third aspect of the present disclosure proposes an elevator controller, including a memory, a processor, and an elevator control program stored in the memory and executable on the processor.
  • an elevator control method is implemented.
  • the above elevator control method is implemented. Based on the above elevator control method, passenger rescue can be completed in time under the premise of ensuring safety, avoiding the situation where passengers are trapped in the elevator car for a long time, thereby improving the passengers' riding experience.
  • the fourth aspect of the present disclosure proposes a computer-readable storage medium on which an elevator control program is stored.
  • the elevator control program is executed by a processor, the above-mentioned elevator control method is implemented.
  • the above-mentioned elevator control method is implemented when the processor executes the elevator control program. Based on the above-mentioned elevator control method, passenger rescue can be completed in time under the premise of ensuring safety, avoiding the situation where passengers are trapped in the elevator car for a long time, thereby improving the passenger's riding experience.
  • the fifth aspect of the present disclosure proposes a computer program, which includes instructions.
  • the instructions are executed by a signal processing device, the information processing device executes the above-mentioned elevator control method.
  • the elevator control method Based on the above-mentioned elevator control method, passenger rescue can be completed in a timely manner under the premise of ensuring safety, thereby avoiding the situation where passengers are trapped in the elevator car for a long time, and improving the passenger riding experience.
  • the sixth aspect of the present disclosure proposes a computer program product, including a computer program/instruction, which implements the above-mentioned elevator control method when executed by a processor. Based on the above-mentioned elevator control method, passenger rescue can be completed in a timely manner under the premise of ensuring safety, thereby avoiding the situation where passengers are trapped in the elevator car for a long time, and improving the passenger riding experience.
  • the seventh aspect embodiment of the present disclosure proposes an elevator safety system, which includes: a safety circuit, which includes a plurality of electrical safety switches; a safety device, which is used to detect the working status of the electrical safety switches and generate corresponding status detection signals; a car position detection device, which is used to detect the position of the elevator car; an elevator controller, which is connected to the safety device and the car position detection device, and is used to determine the fault floor according to the status detection signal, and determine the safe area according to the fault floor, and when the car position is within the safe area, determine the target stopping floor according to the car position, the target floor and the safe area, so as to perform rescue operations based on the target stopping floor, wherein the target floor is a floor selected by the user.
  • a safety circuit which includes a plurality of electrical safety switches
  • a safety device which is used to detect the working status of the electrical safety switches and generate corresponding status detection signals
  • a car position detection device which is used to detect the position of the elevator car
  • an elevator controller which is connected to the safety device
  • the safety circuit includes several electrical safety switches, the working state of the electrical safety switches is detected by the safety device, and a corresponding state detection signal is generated, the position of the elevator car is detected by the car position detection device, the elevator controller determines the fault floor according to the state detection signal, and determines the safe area according to the fault floor, and when the car position is in the safe area, determines the target stop floor according to the car position, the target floor and the safe area, so as to perform a rescue operation based on the target stop floor, wherein the target floor is the floor selected by the user.
  • the elevator safety system performs rescue operations based on the car position, target floor and safe area. It can complete passenger rescue in a timely manner while ensuring safety, avoid passengers being trapped in the elevator car for a long time, and improve the passenger riding experience.
  • an eighth aspect of the present disclosure provides an elevator, comprising the above elevator safety system.
  • passenger rescue can be completed in a timely manner under the premise of ensuring safety, avoiding the situation where passengers are trapped in the elevator car for a long time, and improving the passengers' riding experience.
  • FIG1 is a flow chart of an elevator control method according to an embodiment of the present disclosure
  • FIG2 is a circuit diagram 1 of an elevator safety system according to a specific embodiment of the present disclosure.
  • FIG3 is a flow chart of an elevator control method according to a specific embodiment of the present disclosure.
  • FIG4 is a block diagram of an elevator control device according to an embodiment of the present disclosure.
  • FIG5 is a block diagram of an elevator controller according to an embodiment of the present disclosure.
  • FIG6 is a block diagram of an elevator safety system according to an embodiment of the present disclosure.
  • FIG8 is a circuit diagram 3 of an elevator safety system according to a specific embodiment of the present disclosure.
  • FIG9 is a state detection circuit diagram according to a specific embodiment of the present disclosure.
  • FIG. 10 is a block diagram of an elevator according to an embodiment of the present disclosure.
  • FIG. 1 is a flow chart of an elevator control method according to an embodiment of the present disclosure.
  • the elevator control method of the embodiment of the present disclosure may include:
  • the fault floor is used to define the floor that cannot meet the normal operation requirements of the elevator, for example, the hall door cannot be opened normally. Open, closed floors, etc.
  • detection units are arranged on each floor, and the corresponding floor is determined to have a fault according to the feedback signal of the detection unit, thereby determining the faulty floor.
  • the detection unit can be a sensor, a camera, a contact switch, etc., which is not limited here.
  • the safety area and non-safe area are divided based on the fault floor.
  • the safety factor of the elevator operation is high, and the elevator can be controlled to continue to run, so that the car can be controlled to stop at the corresponding floor, and the car door and the hall door of the corresponding floor can be controlled to open, so that users can evacuate the car as soon as possible.
  • the non-safe area it is considered that there will be a greater safety hazard if the elevator continues to run, and the elevator is controlled to stop running urgently.
  • the car is controlled to stop at the nearest floor according to the actual running direction of the elevator. For example, if the elevator is running upward, the car can be controlled to run to the 3rd floor and stop, and then the car door and the hall door on the 3rd floor are controlled to open, so that the user can leave in time.
  • the target stopping floor is determined based on the car position, the target floor and the safe area.
  • the target stopping floor is the stopping floor for rescue operations.
  • the target stopping floor is ensured to be in a safe area to improve rescue safety.
  • the target stopping floor can be made as close to the target floor as possible to reduce the distance users need to climb to reach the target floor after leaving the car.
  • each floor is provided with a hall door lock
  • determining the faulty floor includes: obtaining the position of the hall door lock where the fault occurs; and determining the faulty floor according to the position of the hall door lock.
  • the faulty floor is determined according to the status of the hall door locks corresponding to each floor.
  • a corresponding hall door lock (K_1, K_2...K_n-1, K_n) is provided on each floor to monitor the state of the hall door on the corresponding floor, wherein when the hall door on the corresponding floor is closed, the hall door lock is in a closed state; when the hall door is opened, the hall door lock is in a disconnected state.
  • the state of the hall door lock is monitored by a hall door device 61, wherein the number of hall door safety devices 61 can be configured according to the number of floors.
  • a hall door safety device 61 is configured for every six floors, and the state of the hall door locks on six floors is monitored by one hall door safety device 61.
  • one end of the hall door lock K_1 on the first floor, the hall door lock K_2 on the second floor, the hall door lock K_3 on the third floor, the hall door lock K_4 on the fourth floor, the hall door lock K_5 on the fifth floor and the hall door lock K_6 on the sixth floor are all connected to the PWR pin of the hall door safety device 61, and the PWR pin is used for power supply.
  • the other end is respectively connected to the In6, In5, In4, In3, In2, and In1 pins of the hall door safety device 61.
  • the hall door safety device 61 can determine the hall door lock status of each floor according to the receiving level of each pin.
  • the In1 pin when the In1 pin is at a high level, it is determined that the hall door lock K_6 on the sixth floor is in a closed state. If it is determined based on the elevator control that the hall door of the sixth floor is open at that time, it is considered that the hall door lock K_6 is faulty. If it is determined based on the elevator control that the hall door of the sixth floor is not open, it is considered that the hall door lock K_6 is not faulty.
  • the In1 pin is at a high level, it is determined that the hall door lock K_6 on the sixth floor is in an open state. If it is determined based on the elevator control that the hall door of the sixth floor is open at that time, it is considered that the hall door lock K_6 is not faulty.
  • determining a safe area according to a faulty floor includes: obtaining the running speed and braking capacity of the elevator; determining a target safe distance according to the running speed and braking capacity; and determining a safe area based on the target safe distance and the faulty floor.
  • this embodiment dynamically adjusts the safe area based on the braking capacity and running speed of the elevator.
  • the elevator safety system periodically monitors the braking capacity of the elevator through the braking detection unit, where the braking capacity can be determined by parameters such as braking distance and braking force.
  • the braking capacity can be directly called from the elevator safety system, and the running speed of the elevator is determined based on the speed sensor. It can be understood that at the same running speed, the stronger the braking capacity, the shorter the required braking distance; the weaker the braking capacity, the longer the required braking distance. At the same braking capacity, the faster the running speed, the longer the required braking distance; the slower the running speed, the shorter the required braking distance.
  • the actual braking distance is determined based on the braking capacity and running speed
  • the target safety distance is determined based on the actual braking distance.
  • the safety area is further determined in combination with the location of the fault floor. For example, assuming that the actual braking distance is 1m, the target safety distance can be determined to be 1.5m. Assuming that the height of the fault floor is 10m, the safety area is below 8.5m and above 11.5m.
  • determining a target safety distance according to the running speed and the braking capability includes: determining a distance adjustment parameter according to the running speed and the braking capability; and adjusting a preset safety distance based on the distance adjustment parameter to obtain a target safety distance.
  • a preset safety distance may also be saved in advance, and a distance adjustment parameter may be determined according to the running speed and braking capacity determined in real time.
  • the distance adjustment parameter may be a proportional coefficient or a distance value.
  • a relationship table between the running speed, braking capacity and the distance adjustment parameter may be established in advance based on an experiment, and the distance adjustment parameter may be obtained by looking up the table based on the determined running speed and braking capacity during the control process, and then the preset safety distance may be adjusted by the distance adjustment parameter, and the adjusted preset safety distance may be used as the target safety distance.
  • the method automatically corrects the elevator's target safety distance based on the elevator's running speed and braking capacity, improves controllability and ensures riding safety.
  • determining the safe area according to the faulty floor includes: determining the safe area based on the faulty floor and a preset safe distance. That is, determining the safe area at a fixed preset safe distance during the elevator control process.
  • the target stopping floor is determined based on the car position, the target floor and the safety area, including: when the target floor is within the safety area, the target stopping floor is determined based on the positional relationship between the car position and the target floor; when the target floor is outside the safety area, the target stopping floor is determined based on the car position and the safety area.
  • the target stop floor is determined according to the car position and the target floor to perform elevator rescue control. If the car position is in the safe area, and the target floor selected by the user is outside the safe area, i.e., in the non-safe area, the target stop floor is determined according to the car position and the safe area to ensure the safety of the rescue operation.
  • the target stopping floor is determined based on the positional relationship between the car position and the target floor, including: when the car position and the target floor are on the same side of the fault floor, the target floor is used as the target stopping floor; when the car position and the target floor are on both sides of the fault floor, the target stopping floor is determined according to the car position and the safety area.
  • the elevator service floors are 1-20 floors
  • the fault floor is 10th floor
  • the safe areas are 1-8 floors and 12-20 floors.
  • the 6th floor is directly used as the target floor, that is, the elevator is controlled to run to the 6th floor and then the car door and the 6th floor hall door are controlled to open, so that the user can leave the elevator car in time.
  • This embodiment not only completes the rescue operation for the user, but also meets the travel needs of the user.
  • the target stop floor is determined based on the car position and the safety area, for example, the target stop floor is determined to be the 3rd floor. Under the premise of controlling the elevator to maintain the current running direction, the target stop floor is placed in the safety area to ensure riding safety.
  • the elevator control method also includes: when the car position is outside the safety area, controlling the elevator to stop urgently, and determining the target stopping floor according to the car position and the safety area, so as to perform rescue operations after the elevator stops urgently according to the target stopping floor.
  • the elevator service floors are 1-20 floors
  • the fault floor is 10th floor
  • the safe areas are 1-8 floors and 12-20 floors.
  • the elevator car may stop at the faulty floor 10, or even pass through the faulty floor, which poses a great safety risk. Therefore, when it is determined that the current car position is outside the safe area, the elevator is controlled to stop urgently, and rescue operations are performed after the elevator stops urgently.
  • the target stopping floor is determined based on the car position and the safety area, including: determining the limit position of the safety area based on the car position and the safety area, and taking the floor closest to the limit position of the safety area and within the safety area as the target stopping floor, and excluding faulty floors between the car position and the target stopping floor.
  • the elevator service floors are 1-20 floors
  • the fault floor is 10th floor
  • the safe areas are 1-8 floors and 12-20 floors.
  • the 8th floor is the target stop floor. If the current car position is on the 2nd floor and the target floor is the 15th floor, the 8th floor is the target stop floor. If the current car position is on the 9th floor, the 8th floor is the target stop floor after the elevator is controlled to stop suddenly. If the current car position is on the 10th floor, the distance between the car position and the two safety areas is equal. In this case, it can be determined based on the direction of the elevator before the emergency stop. For example, if the elevator is running upward before the emergency stop control, select 12 as the target stop floor. Mark the parking floor.
  • the elevator control method further includes: adjusting a preset service floor interval of the elevator according to the safety area.
  • the preset service floor range of the elevator is 1-20 floors
  • the preset service floor range of the elevator can be adjusted to 1-8 floors, so that the elevator can operate normally within the safe area.
  • the elevator control method may include the following steps:
  • step S302 determine whether there is a hall door lock failure. If so, execute step S303; if not, execute step S301.
  • step S309 determine whether the car is in a safe area. If yes, execute step S310; if not, execute step S316.
  • step S310 determine whether the target floor is in the safe area. If yes, execute step S311; if not, execute step S312.
  • step S311 determine whether the car position and the target floor are on the same side of the fault floor. If yes, execute step S312; if not, execute step S314.
  • step S315 the floor closest to the limit position of the safety area and in the safety area is taken as the target stop floor, and the floor between the car position and the target stop floor does not include the fault floor. Execute step S313.
  • the pit or machine room can also be used as the faulty floor to determine the safe area for rescue operation. For example, if the car is located on the 10th floor and the car buffer switch in the pit fails, the nearest level rescue can be performed in combination with the elevator's running direction and car position to prevent people from being trapped by the elevator's emergency stop failure. At the same time, the elevator's running speed can be reduced according to the actual situation, and the elevator can be parked at the target parking floor at a relatively low speed to ensure the safety of the elevator operation.
  • the faulty floor is first determined, and the safe area is determined according to the faulty floor, and when the car position is in the safe area, the target stop floor is determined according to the car position, the target floor and the safe area, so as to perform the rescue operation according to the target stop floor, wherein the target floor is the floor selected by the user. Therefore, when a faulty floor occurs and the car position is in the safe area, the method performs the rescue operation in combination with the car position, the target floor and the safe area, and can complete the passenger rescue in time under the premise of ensuring safety, avoid the situation where passengers are trapped in the elevator car for a long time, and improve the passenger riding experience.
  • the present disclosure also proposes an elevator control device.
  • the elevator control device may include: a first determination module 10 and a second determination module 20 .
  • the first determination module 10 is used to determine the fault floor and determine the safe area according to the fault floor.
  • the second determination module 20 is used to determine the target stop floor according to the car position, the target floor and the safe area when the car position is within the safe area, so as to perform a rescue operation according to the target stop floor, wherein the target floor is a floor selected by the user.
  • each floor is provided with a hall door lock
  • the first determination module 10 determines the faulty floor, specifically for: obtaining the position of the hall door lock where the fault occurs; and determining the faulty floor according to the hall door lock position.
  • the second determination module 20 determines the target stop floor according to the car position, the target floor and the safety area, and is specifically used for: when the target floor is within the safety area, determining the target stop floor based on the positional relationship between the car position and the target floor; when the target floor is outside the safety area, determining the target stop floor according to the car position and the safety area.
  • the second determination module 20 determines the target stop floor based on the positional relationship between the car position and the target floor, and is specifically used for: when the car position and the target floor are on the same side of the fault floor, the target floor is used as the target stop floor; when the car position and the target floor are on both sides of the fault floor, the target stop floor is determined according to the car position and the safety area.
  • the second determination module 20 is also used to: control the elevator to stop suddenly when the car position is outside the safety area, and determine the target stopping floor according to the car position and the safety area, so as to perform rescue operations after the elevator stops suddenly according to the target stopping floor.
  • the second determination module 20 determines the target stop floor according to the car position and the safety area, and is specifically used to: determine the limit position of the safety area according to the car position and the safety area, and take the floor closest to the limit position of the safety area and within the safety area as the target stop floor, and the floor between the car position and the target stop floor does not include faulty floors.
  • the first determination module 10 determines the safe area according to the fault floor, and is specifically used to: obtain the running speed and braking capacity of the elevator; determine the target safe distance according to the running speed and braking capacity; determine the safe area based on the target safe distance and the fault floor.
  • the first determination module 10 determines the target safety distance according to the running speed and the braking capacity, and is specifically used to: determine the distance adjustment parameter according to the running speed and the braking capacity; adjust the preset safety distance based on the distance adjustment parameter to obtain the target safety distance.
  • the first determination module 10 determines the safety area according to the fault floor, and is specifically used to determine the safety area based on the fault floor and a preset safety distance.
  • the first determination module 10 is further used to: adjust the preset service floor interval of the elevator according to the safety area.
  • the faulty floor is determined by the first determining module, and the faulty floor is determined according to the first determining module.
  • the first layer determines the safety area
  • the second determination module determines the target stop floor according to the car position, the target floor and the safety area when the car position is in the safety area, so as to perform the rescue operation according to the target stop floor, wherein the target floor is the floor selected by the user.
  • the device when a fault floor occurs and the car position is in the safety area, the device performs the rescue operation in combination with the car position, the target floor and the safety area, and can complete the passenger rescue in time under the premise of ensuring safety, avoid the situation where passengers are trapped in the elevator car for a long time, and improve the passenger riding experience.
  • the present disclosure also proposes an elevator controller.
  • the elevator controller 100 of the embodiment of the present disclosure includes a memory 110, a processor 120, and an elevator control program stored in the memory 110 and executable on the processor 120.
  • the processor 120 executes the elevator control program, the elevator control method is implemented.
  • the above elevator control method is implemented. Based on the above elevator control method, passenger rescue can be completed in time under the premise of ensuring safety, avoiding the situation where passengers are trapped in the elevator car for a long time, thereby improving the passengers' riding experience.
  • the present disclosure also proposes a computer-readable storage medium.
  • the computer-readable storage medium of the embodiment of the present disclosure stores an elevator control program, and the elevator control program implements the above-mentioned elevator control method when executed by a processor.
  • the above-mentioned elevator control method is implemented when the processor executes the elevator control program. Based on the above-mentioned elevator control method, passenger rescue can be completed in time under the premise of ensuring safety, avoiding the situation where passengers are trapped in the elevator car for a long time, thereby improving the passenger's riding experience.
  • a computer program of an embodiment of the present disclosure includes instructions.
  • the signal processing device is caused to execute the above-mentioned elevator control method.
  • passenger rescue can be completed in time under the premise of ensuring safety, avoiding the situation where passengers are trapped in the elevator car for a long time, thereby improving the passenger's riding experience.
  • a computer program product of an embodiment of the present disclosure includes a computer program/instruction, which implements the above-mentioned elevator control method when executed by a processor. Based on the above-mentioned elevator control method, passenger rescue can be completed in a timely manner under the premise of ensuring safety, avoiding the situation where passengers are trapped in the elevator car for a long time, and improving the passenger's riding experience.
  • the present disclosure also proposes an elevator safety system.
  • the elevator safety system of the embodiment of the present disclosure includes: a safety circuit 50 , a safety device 60 , a car position detection device 70 and the above-mentioned elevator controller 80 .
  • the safety circuit 50 includes a plurality of electrical safety switches 51.
  • the safety device 60 is used to detect the working state of the electrical safety switch 51 and generate a corresponding state detection signal.
  • the car position detection device 70 is used to detect the car position of the elevator.
  • the elevator controller 80 is connected to the safety device 60 and the car position detection device 70.
  • the elevator controller 80 is used to determine the fault floor according to the state detection signal, determine the safety area according to the fault floor, and determine the target stop floor according to the car position, the target floor and the safety area when the car position is within the safety area, so as to perform a rescue operation based on the target stop floor, wherein the target floor is a floor selected by the user.
  • a plurality of electrical safety switches 51 are arranged in the elevator safety system.
  • the elevator safety system is based on the status of the electrical safety switches. State detection can realize the safety monitoring and control of the elevator.
  • all electrical safety switches in the elevator are connected in series to form a safety circuit to control the power supply of the elevator drive main unit and the power supply of the brake. Since the electrical safety switches are placed in the machine room, hoistway, hall door, car top, and pit, the line of the entire elevator safety circuit is very long. Taking the elevator lifting height of 100 meters as an example, the line of the safety circuit will reach 1000 meters or even longer.
  • the power supply voltage of the safety circuit is usually AC 220Vac or 110Vac generated by a transformer.
  • the long safety circuit will bring problems such as circuit interference, circuit voltage drop, circuit diameter, and excessive circuit resistance caused by aging of door lock contacts.
  • the aging of the elevator product will also make the safety circuit unstable, further reducing the safety performance of the elevator.
  • the safety device 60 includes a hall door safety device 61, a pit safety device 62, a car top safety device 63 and a machine room safety device 64.
  • the number of hall door safety devices 61 can be configured according to the number of floors on which the elevator operates. For example, when the service floor of the elevator is 20 floors, 4 hall door safety devices 61 can be set. Each hall door safety device 61 is responsible for detecting the hall door locks of five floors.
  • the electrical safety switch 51 is connected to the hall door safety device 61, the pit safety device 62, the car top safety device 63, and the machine room safety device 64 according to the installation position of the electrical safety switch 51, and each electrical safety switch 51 is connected to the corresponding safety device 60 through the I/O mode to monitor the switch status.
  • the hall door safety device 61, the pit safety device 62, and the car top safety device 63 send the monitored state of the electrical safety switch 51 to the machine room safety device 64 through the bus (such as CAN/485 and other safety buses), so that the state of the electrical safety switch 51 of the entire elevator is summarized to the machine room safety device 64.
  • the machine room safety device 64 combines the operation instruction of the elevator controller 80 to connect the safety relays K1 and K2 through the pin Control to control the power supply of the elevator drive host and the power supply of the brake. Therefore, this embodiment simplifies the complexity of the physical connection of the safety loop 50, shortens the path of the safety loop 50, and simultaneously reduces the impedance problem of the overlong line and the impedance fluctuation problem caused by the grid voltage fluctuation on the loop impedance.
  • each safety device 60 is provided with a state detection circuit and a control module for detecting the switch state of the electrical safety switch 51.
  • multiple detection units can be arranged in each state detection circuit, and the state of an electrical safety switch 51 is detected by multiple detection units and detection feedback signals are output respectively.
  • the control module in the corresponding safety device 60 determines the current state of the electrical safety switch 51 according to the multiple detection feedback signals to improve the detection accuracy. For example, when multiple detection feedback signals of the same electrical safety switch 51 are the same, the current state of the electrical safety switch 51 can be determined according to the detection feedback signal; when multiple detection feedback signals of the same electrical safety switch 51 are different, the electrical safety switch 51 is directly considered to be faulty, or a detection fault signal can be fed back.
  • the state detection circuit of the hall door lock K_1 is shown in FIG9 , the PWR pin of the hall door safety device 61 is used to provide the power supply VCC, one end of the hall door lock K_1 is connected to the power supply VCC through the PWR pin, and the other end is connected to the In6 pin to access the state detection circuit.
  • the state detection circuit includes two detection units, each detection unit circuit is the same, and each detection unit circuit is composed of a resistor R1, a resistor R2, a voltage regulator diode D1, a comparator A1 and an isolation optocoupler U1, wherein the output end of the isolation optocoupler U1 is used to output a detection feedback signal.
  • This embodiment uses a voltage comparison circuit to monitor the state of the hall door lock K_1.
  • the VCC voltage is divided by the hall door lock K_1 and the resistor R1, and the first divided voltage is output to the positive input terminal of the comparator A1.
  • the comparator A1 Based on the resistor R2 and the Zener diode D1 outputting the voltage Vref to the negative input terminal of the comparator A2, when the voltage at the positive input terminal of the comparator A1 is greater than the voltage at the negative input terminal of the comparator A2, the comparator A1 outputs a high level to drive the isolation optocoupler U1 to operate, and the isolation optocoupler U1 outputs a high level detection feedback signal.
  • each electrical component in FIG9 can be selected according to the actual situation to ensure that when the hall door lock K_1 is closed, the comparator A1 outputs a high level to drive the isolation optocoupler U1 to operate and output a high-level detection feedback signal. At this time, only when the hall door lock K_1 is disconnected, the comparator A1 will output a low level, and the detection feedback signal is a low level to determine that the hall door lock K_1 is in the disconnected state.
  • This circuit greatly reduces the requirements of the elevator safety system for the hall door lock contacts, improves the adaptability of the elevator electronic control system to the environment, and avoids the state detection error caused by the excessive contact resistance of the hall door lock in the related technology.
  • the control module of the hall door safety device 61 determines the current state of the hall door lock K_1 according to the two received detection feedback signals. For example, when the detection feedback signals of the two detection units are both high, the hall door lock K_1 is considered to be in a closed state; when the detection feedback signals of the two detection units are both low, the hall door lock K_1 is considered to be in an open state; when the detection feedback signals of the two detection units are one high and one low, since the current state of the hall door lock K_1 cannot be determined, the hall door lock K_1 is directly considered to be faulty, or a detection fault signal can be fed back.
  • FIG9 can also be used for status monitoring of other electrical safety switches 51.
  • the electrical safety switches 51 of the pit safety device 62, the car top safety device 63, and the machine room safety device 64 can refer to the arrangement of the hall door locks, that is, one-to-one monitoring as shown in Figures 7 and 8, that is, the status of each electrical safety switch 51 is detected through the In pin; the electrical safety switches can also be grouped according to whether they are bypassed by the emergency electric switch. As shown in Figure 2, the electrical safety switches that can be bypassed by emergency electric switches are connected in series, and the electrical safety switches that cannot be bypassed by emergency electric switches are connected in series. The PWR pin and In pin of the corresponding safety device are respectively connected to the two ends of the series branch to detect the status of the electrical safety switch.
  • each safety module 60 monitors the state of the corresponding electrical safety switch 51, and transmits the state of each electrical safety switch 51 to the machine room safety device 64 through the safety bus.
  • the machine room safety device 64 obtains the working state of all electrical safety switches 51, and determines that the state of the safety circuit 50 is normal when all electrical safety switches 51 are in the closed state, and transmits the state of the safety circuit 50 to the elevator controller 80 through communication.
  • the elevator controller 80 initiates a start instruction to the machine room safety module 64, and the machine room safety module 64 closes the output safety relays K1 and K2.
  • the safety relays K1 and K2 are used as control main contactors to control the traction machine power supply and the brake power supply.
  • the disconnection state of the electrical safety switch 51 is immediately transmitted to the machine room safety device 64 through the safety bus, and the machine room safety device 64 immediately disconnects the power supply of the output safety relay, so as to achieve safe cutting off of the traction machine power supply and the brake power supply safety control, and meet the safety design requirements of the elevator standard.
  • the elevator safety system can also operate the floor door bypass device connected to the machine room safety device 64, the car door bypass device The bypass device bypasses the corresponding hall door lock and the car door lock of the elevator car.
  • the maintenance personnel can bypass the problematic hall door lock in a targeted manner when operating the hall door lock bypass device. At this time, other intact hall door locks are still in the monitored state. If they are suddenly disconnected during operation, the elevator can be stopped safely.
  • the maintenance personnel can also bypass the problematic car door lock in a targeted manner when operating the car door lock bypass.
  • the electrical safety switch 51 can be bypassed in a targeted manner.
  • the tested electrical safety switch 51 can be bypassed in a targeted manner, so that other electrical safety switches 51 are still in the monitoring state, thereby improving the operational safety.
  • the car position detection device 70 uses an absolute value safety shaft position sensor to monitor the car position in real time, thereby improving the monitoring accuracy.
  • the elevator safety system acts on the elevator group control system, and the elevator safety system can exclude the faulty hall door lock from the service floor of the corresponding staircase based on the destination floor selection system 90, so that the elevator can continue to serve customers.
  • the system includes elevator A and elevator B. Assuming that the hall door lock of the 29th floor of elevator A fails, the 29th floor is excluded from the service floor range of elevator A.
  • the safety circuit includes several electrical safety switches, the working state of the electrical safety switches is detected by the safety device, and a corresponding state detection signal is generated, the position of the elevator car is detected by the car position detection device, and the elevator controller can determine the fault floor according to the state detection signal, and determine the safe area according to the fault floor, and when the car position is in the safe area, determine the target stop floor according to the car position, the target floor and the safe area, so as to perform a rescue operation based on the target stop floor, wherein the target floor is a floor selected by the user.
  • the elevator safety system performs a rescue operation in combination with the car position, the target floor and the safe area, and can complete the passenger rescue in time under the premise of ensuring safety, avoid the situation where passengers are trapped in the elevator car for a long time, and improve the passenger riding experience.
  • the elevator safety system can also report the fault to the operation and maintenance center synchronously to shorten the response time of maintenance.
  • the present disclosure also proposes an elevator.
  • the elevator 200 includes the elevator safety system 210 described above.
  • passenger rescue can be completed in a timely manner under the premise of ensuring safety, avoiding the situation where passengers are trapped in the elevator car for a long time, and improving the passengers' riding experience.
  • Computer-readable media include the following: an electrical connection portion with one or more wirings (electronic devices), a portable computer disk box (magnetic device), a random access memory (RAM), a read-only memory (ROM), an erasable and programmable read-only memory (EPROM or flash memory), an optical fiber.
  • devices and portable compact disc read-only memories (CDROMs).
  • the computer-readable medium may even be paper or other suitable medium on which the program is printed, since the program may be obtained electronically, for example, by optically scanning the paper or other medium, followed by editing, interpreting or, if necessary, processing in another suitable manner, and then stored in a computer memory.
  • first and second are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features.
  • a feature defined as “first” or “second” may explicitly or implicitly include at least one of the features.
  • “plurality” means at least two, such as two, three, etc., unless otherwise clearly and specifically defined.
  • the terms “installed”, “connected”, “connected”, “fixed” and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined.
  • installed can be a fixed connection, a detachable connection, or an integral connection
  • it can be a mechanical connection or an electrical connection
  • it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined.
  • the specific meanings of the above terms in the present disclosure can be understood according to specific circumstances.

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  • Maintenance And Inspection Apparatuses For Elevators (AREA)

Abstract

Procédé et appareil de commande d'ascenseur, dispositif de commande d'ascenseur, système de sécurité d'ascenseur et ascenseur. Le procédé consiste : à déterminer un étage défectueux, et à déterminer une zone de sécurité en fonction de l'étage défectueux; et lorsque la position d'une cabine se trouve à l'intérieur de la zone de sécurité, à déterminer un étage d'arrêt cible en fonction de la position de la cabine, d'un étage cible et de la zone de sécurité, de façon à exécuter une opération de sauvetage en fonction de l'étage d'arrêt cible, l'étage cible étant un étage sélectionné par un utilisateur.
PCT/CN2024/115750 2023-12-15 2024-08-30 Procédé et appareil de commande d'ascenseur, dispositif de commande d'ascenseur, système de sécurité d'ascenseur et ascenseur Pending WO2025123793A1 (fr)

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Publication number Priority date Publication date Assignee Title
CN117735358A (zh) * 2023-12-15 2024-03-22 菱王电梯有限公司 电梯控制方法、装置、电梯控制器、电梯安全系统及电梯
CN118387723B (zh) * 2024-06-28 2024-09-27 菱王电梯有限公司 一种电梯困人救援处理方法、装置、系统及存储介质

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JPH05170388A (ja) * 1991-12-20 1993-07-09 Kayaba Ind Co Ltd エレベータの制御装置
CN102009888A (zh) * 2009-09-07 2011-04-13 东芝电梯株式会社 电梯救援运转系统
CN102822079A (zh) * 2010-04-05 2012-12-12 三菱电机株式会社 电梯的控制装置
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CN110234590B (zh) * 2017-04-12 2021-10-22 深圳市海浦蒙特科技有限公司 电梯控制系统和方法
CN117735358A (zh) * 2023-12-15 2024-03-22 菱王电梯有限公司 电梯控制方法、装置、电梯控制器、电梯安全系统及电梯

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Publication number Priority date Publication date Assignee Title
JPH05170388A (ja) * 1991-12-20 1993-07-09 Kayaba Ind Co Ltd エレベータの制御装置
CN102009888A (zh) * 2009-09-07 2011-04-13 东芝电梯株式会社 电梯救援运转系统
CN102822079A (zh) * 2010-04-05 2012-12-12 三菱电机株式会社 电梯的控制装置
JP2014040320A (ja) * 2012-08-24 2014-03-06 Hitachi Ltd エレベーターの安全装置及びこれを用いた運転方法
CN110234590B (zh) * 2017-04-12 2021-10-22 深圳市海浦蒙特科技有限公司 电梯控制系统和方法
CN117735358A (zh) * 2023-12-15 2024-03-22 菱王电梯有限公司 电梯控制方法、装置、电梯控制器、电梯安全系统及电梯

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