Elevator control method and related equipment

Abstract

The embodiment of the invention discloses an elevator control method and related equipment, and belongs to the technical field of elevators. The method comprises the steps that after an elevator door of the elevator is closed, whether the elevator meets the safety state corresponding to elevator starting or not is detected, if the elevator is in the safety state, a door lock loop is controlled to be in a door lock short-circuit state, and a driving switch of a driving loop of the elevator is turned on after the door lock loop is in the door lock short-circuit state; wherein the elevator enters a running state after the driving switch is switched on; based on the duration of the door lock loop in the door lock short-circuit state and / or based on the running state of the elevator, determining a time node for relieving the door lock short-circuit state of the door lock loop, and relieving the door lock short-circuit state of the door lock loop at the time node; therefore, the problem that the system misjudges that the door lock loop is disconnected due to voltage drop caused by closing of the driving switch of the driving loop is solved.

Description

Technical Field

[0001] This application relates to the field of elevator technology, and in particular to an elevator control method and related equipment. Background Technology

[0002] When the elevator is in operation, the door lock must first be closed, and then the elevator is driven to run by the drive circuit. Specifically, when the system detects that the door lock circuit is connected (that is, after the door lock is closed), the running contactor and the brake contactor in the drive circuit will engage, thereby causing the drive circuit to drive the elevator to run.

[0003] In the above process, the elevator circuit can be divided into a door lock circuit and a drive circuit. Both are powered by the same power supply. During operation, the power supply voltage of both the door lock circuit and the drive circuit needs to meet a certain rated voltage value (such as 110V). When the elevator serves higher floors, the wiring length of the door lock circuit will increase significantly, and the corresponding line impedance will increase. After the power supply supplies power to the door lock circuit, its voltage value will drop due to the influence of line impedance and other factors. When the power supply that has already dropped supplies power to the drive circuit, the drive switches (running contactor and holding brake contactor) in the drive circuit will generate a large inrush current at the moment of engagement. The current generated at this moment will cause the power supply voltage to drop even more significantly. If the voltage drops to a specific threshold set by the system, the system will mistakenly judge that the elevator door lock circuit is in an open state (i.e., judge that the elevator door is not closed), causing the elevator to stop running and resulting in people being trapped. Summary of the Invention

[0004] This application provides an elevator control method and related equipment for controlling elevators.

[0005] In a first aspect, embodiments of this application provide an elevator control method, including:

[0006] After the elevator doors close, check whether the elevator meets the safety requirements for starting the elevator.

[0007] If the elevator is in the safe state, the door lock circuit is controlled to be in the door lock short-circuit state, and after the door lock circuit is in the door lock short-circuit state, the drive switch of the elevator drive circuit is turned on, wherein the elevator enters the running state after the drive switch is turned on.

[0008] Based on the duration of the door lock circuit being in the door lock short-circuit state, determine the time node for the door lock circuit to release the door lock short-circuit state, and release the door lock circuit from the door lock short-circuit state at the time node; and / or, based on the operating state of the elevator, determine the time node for the door lock circuit to release the door lock short-circuit state, and release the door lock circuit from the door lock short-circuit state at the time node.

[0009] Furthermore, the detection of whether the elevator meets the safety conditions corresponding to elevator startup includes:

[0010] Based on one or more of the following: elevator door zone status, elevator speed, door lock short-circuit status, elevator re-leveling status, and early door opening status, detect whether the elevator is in the safe state corresponding to elevator startup.

[0011] Furthermore, based on the duration of the door lock circuit being in the door lock short-circuit state, the time point at which the door lock circuit releases the door lock short-circuit state is determined, including:

[0012] If the duration is greater than the duration threshold, then the time node corresponding to the current duration being greater than the duration threshold is determined as the time node when the door lock short-circuit state of the door lock circuit is released.

[0013] Furthermore, determining the time point at which the door lock short-circuit state of the door lock circuit is released based on the elevator's operating state includes:

[0014] Monitor whether the elevator is in normal operating condition.

[0015] If the elevator is in normal operation, the time point at which the door lock short circuit state of the door lock circuit is released is determined based on the speed of the elevator car or the height of the elevator car.

[0016] If the elevator is in an abnormal operating state, then the time point corresponding to the current abnormal operating state is determined to be the time point when the door lock short-circuit state of the door lock circuit is released.

[0017] Furthermore, monitoring whether the elevator is in normal operating condition includes:

[0018] The system monitors whether the elevator is in normal operating condition based on one or more of the following: elevator door status, elevator circuit status, and elevator shutdown status.

[0019] Furthermore, determining the time point at which the door lock short-circuit state of the door lock circuit is released based on the speed of the elevator car or the height of the elevator car includes:

[0020] The time point at which the elevator car's speed exceeds a speed threshold or the time point at which the difference between the elevator car's height and its initial height exceeds a height difference threshold is determined as the time point at which the door lock circuit's short-circuit state is released.

[0021] Furthermore, prior to the step of checking whether the elevator is in a safe operating state, the following steps are also included:

[0022] The elevator performs a self-test based on its parameters and operating records to determine whether it can perform a door lock short-circuit operation.

[0023] Secondly, embodiments of this application also provide an elevator control system, including:

[0024] The detection unit is used to detect whether the elevator is in a safe state for starting the elevator;

[0025] The control unit is used to short-circuit the door lock circuit of the elevator to put the door lock circuit in a short-circuit state, and after the door lock is short-circuited, to turn on the drive switch of the elevator drive circuit to release the door lock circuit from the short-circuit state.

[0026] A monitoring unit is used to monitor the operating status of the elevator;

[0027] The determining unit is used to determine the time point at which the door lock short-circuit state of the door lock circuit is released based on the operating state.

[0028] Thirdly, embodiments of this application also provide an elevator control device, including:

[0029] Central processing unit, memory, input / output interfaces, wired or wireless network interfaces, and power supply;

[0030] The memory is either a short-term storage memory or a persistent storage memory;

[0031] The central processing unit is configured to communicate with the memory and execute instructions in the memory to perform the elevator control method.

[0032] Fourthly, embodiments of this application also provide a computer-readable storage medium, the computer-readable storage medium including instructions that, when executed on a computer, cause the computer to perform the elevator control method.

[0033] As can be seen from the above technical solutions, the embodiments of this application have the following advantages:

[0034] This application embodiment detects the safety status of the elevator. After determining that the elevator is in a safe state, the elevator door lock circuit is short-circuited. After the door lock is short-circuited, the drive switch of the elevator drive circuit is turned on. Since the door lock circuit is short-circuited, the system will lock the elevator door lock status to the short-circuited state. At this time, the door lock circuit disconnection signal caused by the voltage drop generated by the drive switch being turned on will be invalidated. Furthermore, this application can ensure that the door lock short-circuit state is released after the fluctuation of the voltage drop caused by the drive switch being turned on ends by monitoring the elevator's working status. This ensures that the door lock short-circuit is performed under the condition of safe elevator operation, thereby safely and stably solving the problem of the system misjudging the circuit disconnection, and thus avoiding the phenomenon of elevator entrapment. Attached Figure Description

[0035] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments recorded in this application. For those skilled in the art, other drawings can be obtained based on these drawings.

[0036] Figure 1 This is a flowchart of an elevator control method disclosed in an embodiment of this application;

[0037] Figure 2 This is a schematic diagram of the structure of an elevator control device disclosed in an embodiment of this application. Detailed Implementation

[0038] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present application, and not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present application.

[0039] In the description of the embodiments of this application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the embodiments of this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of this application.

[0040] In the description of the embodiments of this application, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in the embodiments of this application based on the specific circumstances.

[0041] When the elevator is in operation, the door lock must first be closed, and then the elevator is driven to run through the drive circuit. Specifically, when the system detects that the door lock circuit is conducting (that is, after the door lock is closed), the running contactor and the brake contactor in the drive circuit will engage, thereby causing the drive circuit to drive the elevator to run.

[0042] In the above process, the elevator circuit can include a door lock circuit, a drive circuit, and a power supply circuit. The door lock circuit can also include a car door lock circuit and a hall door lock circuit. Closing the elevator door is equivalent to connecting the car door lock circuit and the hall door lock circuit. The door lock circuit and the drive circuit are powered by the power supply circuit. During operation, the power supply voltage of the door lock circuit and the drive circuit needs to meet a certain rated voltage value (such as 110V). When the elevator serves higher floors, the wiring length of the door lock circuit will increase significantly, and the corresponding line impedance will increase. After the power supply provides power to the door lock circuit, its voltage value will drop due to the influence of line impedance and other factors. In addition, different door lock circuits... The contact impedance is affected by factors such as the wear and cleanliness of the door lock contacts and the installation process, which can further increase the impedance of the circuit and cause the voltage value to drop further. When the voltage drops to a certain threshold, the drive circuit is powered again. Because the drive switches (running contactor and brake contactor) in the drive circuit generate a large inrush current at the moment of engagement, this inrush current causes a further significant instantaneous voltage drop. If the voltage drops to a specific threshold set by the system, the system will mistakenly determine that the elevator door lock circuit is open (i.e., the elevator door is not closed), causing the elevator to stop and resulting in people being trapped. Therefore, this application provides an elevator control method and related equipment.

[0043] The embodiments of this application involve elevator door lock shorting. Door lock shorting is a specific means of elevator safety control. Door lock shorting refers to the temporary establishment of a parallel low-impedance path at both ends of the door lock safety circuit through controlled electrical means, so that the elevator control system does not rely on the actual on / off state of the physical door lock contacts to determine the door lock status. In the prior art, door lock shorting is often used for elevator safety maintenance.

[0044] like Figure 1As shown in the figure, this application provides an elevator control method, the method comprising the following steps:

[0045] 101. After the elevator doors close, check whether the elevator meets the safety requirements for starting.

[0046] After passengers board the elevator, the elevator doors will automatically close. After the elevator doors close, it is necessary to check whether the current elevator meets the safety requirements for starting the elevator. Only after ensuring that the elevator is in a safe state will the elevator begin to move up or down.

[0047] 102. If the elevator is in a safe state, the control door lock circuit is in the door lock short-circuit state, and after the door lock circuit is in the door lock short-circuit state, the drive switch of the elevator drive circuit is turned on, and the elevator enters the running state after the drive switch is turned on.

[0048] After confirming that the elevator is in a safe state, the elevator door lock circuit is short-circuited, putting the door lock circuit in a short-circuited state. The door lock short-circuit connects the elevator door lock through another path, meaning the elevator door lock circuit is connected through this path. At this time, the system does not determine whether the door lock circuit is connected (i.e., whether the elevator door is closed) based on the actual elevator door status. After the elevator door lock is short-circuited, the system assumes that the elevator door is closed. After the door lock is short-circuited, the drive switch of the elevator drive circuit is turned on (i.e., the drive circuit's running contactor and brake contactor are engaged). After the drive switch is turned on, the elevator enters the running state.

[0049] By following the above steps, the elevator can be confirmed to be in a safe state before the door lock is short-circuited, thereby eliminating potential safety hazards and avoiding the problem of the system misjudging that the elevator is not faulty when the door lock is short-circuited during elevator system malfunctions. It also ensures that the drive circuit's running contactor and brake contactor are engaged only after the door lock is short-circuited.

[0050] 103. Based on the duration of the door lock circuit being in the door lock short-circuit state, determine the time node for the door lock circuit to be released from the door lock short-circuit state, and release the door lock circuit from the door lock short-circuit state at the time node; and / or, based on the elevator's operating state, determine the time node for the door lock circuit to be released from the door lock short-circuit state, and release the door lock circuit from the door lock short-circuit state at the time node.

[0051] A large inrush current is generated when the operating contactor and the brake contactor in the drive circuit are engaged, causing voltage fluctuations in the power supply circuit. During the contactor engagement, the door lock circuit is in a short-circuited state. After the contactor in the drive circuit is engaged, the elevator is driven to run. After a certain period of time or after the elevator has run to a certain extent, the voltage drop caused by the contactor engagement will gradually disappear. Therefore, the duration of the door lock circuit being in the short-circuited state or the elevator's running status can be used to determine whether the voltage drop caused by the contactor engagement has ended. Once the elevator's voltage drop has ended, the short-circuited state can be terminated.

[0052] The above methods ensure that after the operating contactor and brake contactor of the drive circuit are engaged, the voltage drop will affect the entire voltage fluctuation process. During this process, the elevator door lock circuit will be in a short-circuited state, meaning the system defaults to the elevator door lock being closed. Even if the voltage drops to a specific threshold of the system during this voltage fluctuation process, causing the system to mistakenly judge the door lock circuit as open and generate a corresponding misjudgment signal, this misjudgment signal will become invalid because the door lock circuit is in a short-circuited state (i.e., the system defaults to the door lock circuit being in a short-circuited state and is not affected by this signal).

[0053] In existing technologies, upgrading power supply equipment to increase the supply voltage or optimizing the circuit is mainly done to ensure that the voltage drop after the contactor engages remains above a specific threshold preset by the system, thus preventing the system from misjudging that the elevator door lock circuit is open due to excessively low voltage. However, the method described in this application creates a safe time window by short-circuiting the elevator door lock circuit while ensuring the elevator is in a safe state. During this time window, the operating contactor and the brake contactor of the drive circuit are engaged, rendering the system misjudgment caused by the voltage drop during contactor engagement invalid. This eliminates the impact of misjudgment caused by voltage drop during contactor engagement. This method is convenient, easy to implement, and highly applicable. It solves the problem of system misjudgment through relevant controls and does not involve upgrading power supply equipment or optimizing the circuit, thus not significantly increasing the system cost.

[0054] Specifically, before performing elevator control, the elevator typically needs to undergo a self-check. The processor (or controller) first determines whether the elevator meets the prerequisites for implementing the control method in this embodiment based on a preset elevator function parameter system: such as whether it is equipped with a dedicated hardware detection board and related control programs. The determination process can be achieved by retrieving the elevator's production configuration parameters and subsequent modification records. If the determination result is that the prerequisites for implementing the control method are not met, the self-check process is immediately exited, and a system log of the unmet prerequisites is recorded. If the determination result is that the prerequisites for implementing the control method are met, the processor (or controller) automatically completes the initialization preparation to proceed with the subsequent elevator control method.

[0055] In this embodiment, the elevator doors include a hall door and a car door. When the elevator starts, after the elevator doors close (i.e., the door closing signal is valid), it is checked whether the elevator meets the safety state corresponding to elevator start-up. Specifically, this can be confirmed by the elevator door zone signal, elevator speed, door opening state, elevator re-leveling state, and door lock short-circuit state. Specifically, the elevator door zone signal indicates whether the elevator has stopped at a preset leveling position. When the elevator stops at the preset leveling position, the leveling switch installed in the car or guide rail is activated, and the door zone signal is valid. When the elevator leaves the leveling position, the leveling switch resets and fails, and the door zone signal becomes invalid. The door zone signal must be valid under safe conditions. The elevator speed refers to a fixed time window T0 during the initial stage of elevator start-up. During this time period, the elevator drive system... Maintaining zero-speed operation aims to balance the weight difference between the car and the counterweight by pre-outputting a stable torque. This prevents unexpected speed fluctuations caused by weight imbalance during elevator startup, ensuring a smooth and safe start-up process. In a safe state, the elevator speed is zero. "Lifting the door open" refers to the elevator control system issuing a door-opening command in advance when the elevator stops at a target floor. This occurs after the elevator has decelerated and approaches the floor leveling area, provided specific conditions are met, such as the distance between the elevator and the target floor being less than a preset value and the speed dropping below a safety threshold. This shortens passenger waiting time and improves overall elevator operating efficiency. In a safe state, the elevator does not enter (or trigger) the pre-opening state. "Elevator re-leveling" refers to the slight height difference between the car and the landing sill caused by changes in car weight due to passenger entry / exit or cargo loading / unloading after the elevator stops at a floor and completes initial door opening. At this point, the elevator control system will drive the car to make fine adjustments and corrections based on the door zone switch signals and position sensor data to ensure that the car sill and the landing sill remain horizontally aligned, avoiding obstruction or safety hazards to passengers or goods entering or exiting. In a safe state, there is no height difference between the car sill and the landing sill, and no correction is required. Door lock short-circuiting refers to temporarily establishing a parallel low-impedance path across the door lock safety circuit using controlled electrical means. This allows the elevator control system to temporarily determine the door lock status without relying on the actual on / off state of the physical door lock contacts. In a safe state, it must be ensured that the elevator has not entered the door lock short-circuiting state. When all of the above requirements are met, or one or more of the above requirements meet the corresponding safe state conditions for elevator startup based on actual needs, the elevator can be determined to be in a safe state.

[0056] Through the above judgment process, by taking into account various safety factors of the elevator, we can accurately ensure that the elevator is in the safety state required for elevator start-up, thereby starting the elevator's lifting and lowering operation.

[0057] Specifically, in this embodiment, the elevator circuit includes: a door lock circuit (which can be considered as the door lock circuit being active when the elevator door is closed), a drive circuit, and a power supply circuit. When the elevator is in a safe state, the elevator is controlled to perform a door lock short-circuit operation so that the elevator door lock is in a door lock short-circuit state. After the door lock is short-circuited, the drive switch of the drive circuit is turned on (that is, the running contactor and the brake contactor of the drive circuit are engaged) and the duration T of the door lock short-circuit is recorded at the same time. If the duration of the door lock short-circuit exceeds a preset duration threshold T', the door lock short-circuit state can be forcibly exited. The preset duration threshold can be set based on the elevator's operating characteristics to ensure that the voltage drop range generated when the running contactor and the brake contactor of the drive circuit are engaged is within the time domain range corresponding to the duration threshold.

[0058] Furthermore, in this embodiment, when the duration T of the door lock short circuit does not exceed the duration threshold T' (i.e., when it is within the duration threshold T'), the system can monitor the elevator's operating status and determine whether to exit the door lock short circuit state based on the elevator's operating status. Specifically, if the elevator's operating status is detected to be in an abnormal operating state, the elevator's door lock short circuit state will be immediately released. For example, if the elevator's door closing signal is invalid (i.e., the door is not fully closed or the door closing is abnormal), or the elevator door zone signal is invalid (i.e., the elevator deviates from the leveling position), or the elevator circuit malfunctions (i.e., the door lock circuit is abnormal, the circuit's safety protection device is triggered, the drive circuit malfunctions, etc.), or the elevator stops (i.e., the system receives a stop command or an emergency stop signal), the elevator's door lock short circuit state will be immediately released to avoid the system misjudging the elevator as being in a safe state when the elevator malfunctions due to the elevator door lock short circuit.

[0059] If the elevator's operating status is monitored and it is in normal operation, the decision to release the elevator door lock short-circuit can be made by checking the elevator car's speed or the height difference between the current and initial heights. When the elevator car's speed exceeds a speed threshold, it indicates the elevator has reached a certain point, the drive circuit is functioning normally, and the voltage drop caused by the running contactor and brake contactor has disappeared; at this point, the door lock short-circuit can be released. Similarly, when the height difference between the current and initial heights exceeds a height difference threshold, it also indicates the elevator has reached a certain point, the drive circuit is functioning normally, and the voltage drop caused by the running contactor and brake contactor has disappeared; at this point, the door lock short-circuit can be released. If the condition for releasing the door lock short-circuit by monitoring the elevator's operating status is not triggered within a duration threshold T', the door lock short-circuit can be forcibly released once the duration T exceeds the duration threshold T'. After releasing the door lock short-circuit, the elevator can operate according to normal logic.

[0060] In the above method, the time point for releasing the door lock short circuit can be determined based on the duration of the door lock short circuit and the elevator operating status. This ensures that when the operating contactor and the brake contactor of the drive circuit engage and cause a voltage drop, the elevator door lock is in the door lock short circuit state. It also ensures that when the elevator door lock is in the door lock short circuit state, the elevator is in a safe operating state and will not cause any related safety hazards due to the door lock short circuit.

[0061] Furthermore, it is understood that in the control steps of releasing the door lock short circuit, the door lock short circuit state can also be released based on actual needs, either by relying solely on the duration of the door lock short circuit or solely by relying solely on the elevator's operating state. The above solutions are all embodiments of this application.

[0062] This application also provides an elevator control system, including:

[0063] The detection unit is used to detect whether the elevator is in a safe state for starting the elevator;

[0064] The control unit is used to short-circuit the elevator door lock circuit to put the door lock circuit in a short-circuit state, and after the door lock is short-circuited, to turn on the drive switch of the elevator drive circuit to release the door lock circuit from the short-circuit state.

[0065] The monitoring unit is used to monitor the elevator's operating status.

[0066] The determining unit is used to determine the time point at which the door lock short-circuit state of the door lock circuit is released based on the operating status.

[0067] See Figure 2 This application also provides an elevator control device 200, comprising:

[0068] Central processing unit 201, power supply 202, wired or wireless network interface 203, input / output interface 204, and memory 205;

[0069] Power supply 202 is used to provide power to elevator control device 200, and memory 205 is either short-term storage memory or persistent storage memory;

[0070] The central processing unit 201 can be connected to the door lock circuit and the drive circuit in the elevator through the input / output interface 204. The central processing unit 201 also communicates with the memory 205, thereby performing relevant control on the door lock circuit and drive circuit of the elevator according to the instructions in the memory, so as to realize the elevator control method described above.

[0071] This application also provides a computer-readable storage medium including instructions that, when executed on a computer, cause the computer to perform the elevator control method described above.

[0072] Those skilled in the art will clearly understand that, for the sake of convenience and brevity, the specific working processes of the systems, devices, and units described above can be referred to the corresponding processes in the foregoing method embodiments, and will not be repeated here.

[0073] In the several embodiments provided in this application, it should be understood that the disclosed systems, apparatuses, and methods can be implemented in other ways. For example, the apparatus embodiments described above are merely illustrative; for instance, the division of units is only a logical functional division, and in actual implementation, there may be other division methods. For example, multiple units or components may be combined or integrated into another system, or some features may be ignored or not executed. Furthermore, the coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection between apparatuses or units through some interfaces, and may be electrical, mechanical, or other forms.

[0074] The units described as separate components may or may not be physically separate. The components shown as units may or may not be physical units; that is, they may be located in one place or distributed across multiple network units. Some or all of the units can be selected to achieve the purpose of this embodiment according to actual needs.

[0075] Furthermore, the functional units in the various embodiments of this application can be integrated into one processing unit, or each unit can exist physically separately, or two or more units can be integrated into one unit. The integrated unit can be implemented in hardware or as a software functional unit.

[0076] If the integrated unit is implemented as a software functional unit and sold or used as an independent product, it can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of this application, in essence, or the part that contributes to the prior art, or all or part of the technical solution, can be embodied in the form of a software product. This computer software product is stored in a storage medium and includes several instructions to cause a computer device (which may be a personal computer, server, or network device, etc.) to execute all or part of the steps of the methods described in the various embodiments of this application. The aforementioned storage medium includes various media capable of storing program code, such as USB flash drives, portable hard drives, read-only memory (ROM), random access memory (RAM), magnetic disks, or optical disks.

Claims

1. An elevator control method, characterized in that, include: After the elevator doors close, check whether the elevator meets the safety requirements for starting the elevator. If the elevator is in the safe state, the door lock circuit is controlled to be in the door lock short-circuit state, and after the door lock circuit is in the door lock short-circuit state, the drive switch of the elevator drive circuit is turned on, wherein the elevator enters the running state after the drive switch is turned on. Based on the duration of the door lock circuit being in the door lock short-circuit state, determine the time node for the door lock circuit to release the door lock short-circuit state, and release the door lock circuit from the door lock short-circuit state at the time node; and / or, based on the operating state of the elevator, determine the time node for the door lock circuit to release the door lock short-circuit state, and release the door lock circuit from the door lock short-circuit state at the time node.

2. The elevator control method according to claim 1, characterized in that, The detection of whether the elevator meets the safety conditions corresponding to elevator startup includes: Based on one or more of the following: elevator door zone status, elevator speed, door lock short-circuit status, elevator re-leveling status, and early door opening status, detect whether the elevator is in the safe state corresponding to elevator startup.

3. The elevator control method according to claim 1, characterized in that, Based on the duration of the door lock circuit being in the door lock short-circuit state, the time point at which the door lock circuit releases the door lock short-circuit state is determined, including: If the duration is greater than the duration threshold, then the time node corresponding to the current duration being greater than the duration threshold is determined as the time node when the door lock short-circuit state of the door lock circuit is released.

4. The elevator control method according to claim 1, characterized in that, The determination of the time point at which the door lock short-circuit state of the door lock circuit is released based on the elevator's operating state includes: Monitor whether the elevator is in normal operating condition. If the elevator is in normal operation, the time point at which the door lock short circuit state of the door lock circuit is released is determined based on the speed of the elevator car or the height of the elevator car. If the elevator is in an abnormal operating state, then the time point corresponding to the current abnormal operating state is determined to be the time point when the door lock short-circuit state of the door lock circuit is released.

5. The elevator control method according to claim 4, characterized in that, Monitoring whether the elevator is in normal operating condition includes: The system monitors whether the elevator is in normal operating condition based on one or more of the following: elevator door status, elevator circuit status, and elevator shutdown status.

6. The elevator control method according to claim 4, characterized in that, The time point at which the door lock short-circuit state of the door lock circuit is released, determined based on the speed of the elevator car or the height of the elevator car, includes: The time point at which the elevator car's speed exceeds a speed threshold or the time point at which the difference between the elevator car's height and its initial height exceeds a height difference threshold is determined as the time point at which the door lock circuit's short-circuit state is released.

7. The elevator control method according to claim 1, characterized in that, Before the step of checking whether the elevator is in a safe operating condition, the following steps are also included: The elevator performs a self-test based on its parameters and operating records to determine whether it can perform a door lock short-circuit operation.

8. An elevator control system, characterized in that, include: The detection unit is used to detect whether the elevator is in a safe state for starting the elevator; The control unit is used to short-circuit the door lock circuit of the elevator to put the door lock circuit in a short-circuit state, and after the door lock is short-circuited, to turn on the drive switch of the elevator drive circuit to release the door lock circuit from the short-circuit state. A monitoring unit is used to monitor the operating status of the elevator; The determining unit is used to determine the time point at which the door lock short-circuit state of the door lock circuit is released based on the operating state.

9. An elevator control device, characterized in that, include: Central processing unit, memory, input / output interfaces, wired or wireless network interfaces, and power supply; The memory is either a short-term storage memory or a persistent storage memory; The central processing unit is configured to communicate with the memory and execute instructions in the memory to perform the elevator control method according to any one of claims 1 to 7.

10. A computer-readable storage medium, characterized in that, The computer-readable storage medium includes instructions that, when executed on a computer, cause the computer to perform the elevator control method as described in any one of claims 1 to 7.

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