CN-121974214-A - Elevator system, control method and device thereof and computer storage medium

Abstract

An elevator system comprises a hoistway, one or more elevator cabs and a supporting structure, wherein the supporting structure comprises a telescopic device arranged at the bottom of the elevator cabs and supporting pieces arranged at different heights on the inner wall of the hoistway, when the elevator cabs reach a flat landing position, the stretching parts of the telescopic device at the bottom of the elevator cabs can stretch out towards the direction of a well wall, and the stretching parts stretching to the supporting positions can be supported on the supporting pieces at corresponding positions. The elevator car loading method and the elevator car loading device can maintain the stable state of the elevator car in the heavy object loading process, and improve the running reliability of an elevator system.

Inventors

• Cheng Jiehao

Assignees

• 菱王电梯有限公司

Dates

Publication Date

20260505

Application Date

20260209

Claims (17)

1. 1. An elevator control method is applied to an elevator system, and is characterized in that the elevator system comprises a hoistway, one or more elevator cabs and a supporting structure, wherein the supporting structure comprises a telescopic device arranged at the bottom of the elevator cabs and supporting pieces arranged at different heights on the inner wall of the hoistway, when the elevator cabs reach a flat layer position, the stretching part of the telescopic device at the bottom of the elevator cabs can stretch out towards the direction of the hoistway, and the stretching part stretching out to the supporting position can be supported on the supporting pieces at the corresponding positions; In response to receiving a weight loading outbound call request, operating a target elevator car for responding to the weight loading outbound call request to a first target floor corresponding to the weight loading outbound call request; Controlling extension of the expansion device at the bottom of the target elevator car in case the target elevator car has been operated to the first target floor; And controlling the opening of the door of the target elevator car to load the weight under the condition that the extension part is determined to be extended to the supporting position.
2. 2. The method of claim 1, wherein the elevator system further comprises a first limit detection device disposed on the support member, the first limit detection device configured to output a first detection signal when contacted, the telescoping device configured such that in a fully extended state an end of the extension portion remote from the telescoping device body contacts the first limit detection device, the extension portion having been extended to the support position determined by receiving the first detection signal output by the first limit detection device.
3. 3. The method of claim 2, wherein the elevator system further comprises a ranging device mounted on a side of the elevator car floor toward the bottom end of the hoistway, the ranging device configured to measure a distance between the bottom of the elevator car and the bottom end of the hoistway, and wherein prior to controlling extension of the telescoping device of the target elevator car bottom, further comprises: acquiring the distance measured by the distance measuring device, and judging whether the stopping position of the target elevator car is at a flat layer position corresponding to the first target floor according to the measured distance; Performing an operation of controlling extension of an extension of a telescopic device at the bottom of the target elevator car in response to a level position corresponding to the first target floor; and responding to the flat layer position which is not corresponding to the first target floor, and carrying out flat layer position deviation reminding in a first preset reminding mode.
4. 4. The method of claim 1, wherein the weight-loaded outbound call request includes a call floor and a call direction, the destination elevator car being determined by: Acquiring the current running mode of each elevator car; determining at least one elevator car with a current running mode being a non-heavy object loading mode, and selecting one elevator car from the determined at least one elevator car as the target elevator car according to a call floor, a call direction and the running condition of the determined at least one elevator car corresponding to the heavy object loading outbound call request; after controlling the opening of the car door of the target elevator car for loading the weight, the method further comprises: the current operating mode of the target elevator car is set to be a heavy load mode.
5. 5. The method of claim 1, wherein the weight-on-load outbound request is triggered by detecting corresponding call information, wherein the corresponding call information is preset call information for initiating the weight-on-load outbound request; or the elevator system further comprises weight loading buttons arranged at each floor, and the weight loading outbound call request is triggered when the weight loading buttons and the call direction buttons at any floor are pressed together.
6. 6. The method of claim 3, wherein during the travel of the destination elevator car to the first destination floor, the method further comprises determining whether there is an inward call request for the destination elevator car for which the requested floor is the first destination floor; acquiring the distance measured by the distance measuring device, and judging whether the stop position of the target elevator car is positioned before the flat layer position corresponding to the floor according to the measured distance, wherein the method further comprises the following steps: Controlling the opening of a car door of the target elevator car to get off a transportation object in the target elevator car in response to an inward call request that the target elevator car has a request floor as the first target floor; And reminding to prohibit loading of the weight in a second preset reminding mode, controlling the car door of the target elevator car to be closed after the transportation object in the target elevator car finishes getting off at the first target floor, executing the step of obtaining the distance measured by the distance measuring device, and judging whether the stop position of the target elevator car is at the flat layer position corresponding to the floor according to the measured distance.
7. 7. The method of claim 6, wherein prior to controlling the opening of the doors of the destination elevator car to lower a transport object in the destination elevator car, the method further comprises: Acquiring a current running mode of the target elevator car; In response to the current operating mode of the target elevator car being a non-weight loading mode, the step of controlling the opening of the doors of the target elevator car to lower a transport object in the target elevator car is performed.
8. 8. The method of claim 6, wherein the controlling the doors of the destination elevator car to open to allow a transport object in the destination elevator car to descend, the method further comprises: Acquiring a current running mode of the target elevator car; Responding to the current running mode of the target elevator car to be a heavy loading mode, acquiring the distance measured by the distance measuring device, and judging whether the stopping position of the target elevator car is at a flat layer position corresponding to the first target floor according to the measured distance; Controlling the extension of the expansion device at the bottom of the target elevator car in response to the flat floor position corresponding to the first target floor; In response to receiving a first detection signal output by the first limit detection device, performing a step of controlling the opening of a door of the target elevator car to lower a transport object in the target elevator car; The elevator system further comprises a second limit detection device, wherein the second limit detection device is arranged on the car bottom plate and is used for outputting a second detection signal when being contacted, the telescopic device is further arranged in a fully contracted state, one end, far away from the telescopic device body, of the extension part is contacted with the second limit detection device, and the elevator system further comprises the following components before the car door of the target elevator car is controlled to be closed: Controlling the expansion device of the target elevator car to shrink; And in response to receiving a second detection signal output by the second limit detection device, executing the step of controlling the door of the target elevator car to be closed.
9. 9. The method of claim 1, wherein the elevator system further comprises a second limit detection device mounted to the car floor and configured to output a second detection signal when contacted, the telescoping device further configured such that in a fully contracted state an end of the extension away from the telescoping device body contacts the second limit detection device; The method further comprises the steps of: Controlling a telescopic device of the target elevator car to shrink under the condition that the target elevator car finishes loading the heavy object on the first target floor; and controlling the door of the target elevator car to be closed in response to receiving a second detection signal output by the second limit detection device.
10. 10. The method according to claim 9, wherein the method further comprises: after the heavy object loading is finished, an internal call request aiming at the target elevator car is received, and the target elevator car is controlled to run to a second target floor corresponding to the internal call request; Controlling extension of the expansion device at the bottom of the target elevator car in case the target elevator car has been operated to the second target floor; And in response to receiving a first detection signal output by the first limit detection device, controlling the opening of a car door of the target elevator car so as to enable the weight in the target elevator car to descend at the second target floor.
11. 11. The method according to claim 10, wherein the method further comprises: and prohibiting the target elevator car from responding to other outbound call requests during the process of the target elevator car running to the second target floor.
12. 12. The method according to claim 10, wherein the method further comprises: After the target elevator car finishes the falling of the weight from the second target floor, controlling a telescopic device of the target elevator car to shrink; And responding to the second detection signal output by the second limit detection device, controlling the car door of the target elevator car to be closed, and setting the current mode of the target elevator to be a non-heavy load loading mode.
13. 13. A supporting structure is characterized by comprising a telescopic device arranged at the bottom of an elevator car and supporting pieces arranged at different heights on the inner wall of a well, wherein when the elevator car reaches a flat layer position, the extending part of the telescopic device at the bottom of the elevator car can extend towards the well wall, and the extending part extending to the supporting position can be supported on the supporting pieces at the corresponding positions.
14. 14. A control device is characterized by comprising a controller and a position detection device; the position detection device is arranged to detect whether the elevator car reaches a flat floor position; The controller is configured to operate a destination elevator car for responding to a weight load outbound request to a first destination floor corresponding to the weight load outbound request in response to receiving the weight load outbound request, control extension of a telescoping device at the bottom of the destination elevator car if the destination elevator car has operated to the first destination floor, and control opening of a door of the destination elevator car for weight loading if it is determined that the extension has extended to a support position.
15. 15. An elevator control device for use in an elevator system, the control device comprising a memory and a processor, the memory configured to hold an executable program; the processor is configured to read and execute the executable program to perform the elevator control method of any of claims 1-12.
16. 16. An elevator system comprising a hoistway, an elevator car, the support structure of claim 13, and the control device of claim 14.
17. 17. A computer storage medium, characterized in that a computer program is stored, wherein the computer program, when being executed by a processor, implements the elevator control method according to any one of claims 1-12.

Description

Elevator system, control method and device thereof and computer storage medium Technical Field The present disclosure relates to elevator control technology, and more particularly, to an elevator system, a control method and apparatus thereof, and a computer storage medium. Background Elevators are widely used in residential, commercial and industrial settings as an indispensable vertical transport equipment in modern buildings. In the actual use process, the elevator is not only used for transporting personnel, but also is often used for transporting heavy objects such as furniture, equipment, building materials and the like. However, in the loading process of the heavy objects, if the load exceeds the rated bearing capacity or is unevenly distributed, the sinking phenomenon of the car is easily caused. The sinking of the car not only can possibly cause mechanical faults such as guide rail deformation, overload of a traction system, misoperation of safety tongs and the like, but also can cause deviation of layer door alignment and car door alignment, and reduced leveling precision, and even cause safety accidents such as elevator trapping when serious. Disclosure of Invention The embodiment of the application provides an elevator system, a control method and a control device thereof and a computer storage medium, which can prevent a lift car from sinking when a heavy object is loaded, thereby improving the reliability of the elevator system. The elevator control method provided by the embodiment of the disclosure comprises a hoistway, one or more elevator cabs and a supporting structure, wherein the supporting structure comprises a telescopic device arranged at the bottom of the elevator cabs and supporting pieces arranged at different heights on the inner wall of the hoistway, when the elevator cabs reach a flat layer position, the stretching part of the telescopic device at the bottom of the elevator cabs can stretch out towards the direction of the well wall, and the stretching part stretching out to the supporting position can be supported on the supporting pieces at the corresponding positions; In response to receiving a weight loading outbound call request, operating a target elevator car for responding to the weight loading outbound call request to a first target floor corresponding to the weight loading outbound call request; Controlling extension of the expansion device at the bottom of the target elevator car in case the target elevator car has been operated to the first target floor; And controlling the opening of the door of the target elevator car to load the weight under the condition that the extension part is determined to be extended to the supporting position. In some exemplary embodiments, the elevator system further comprises a first limit detection device disposed on the support, the first limit detection device configured to output a first detection signal when contacted, the telescoping device configured such that in a fully extended state an end of the extension away from the telescoping device body contacts the first limit detection device, the extension having been extended to the support position determined by receiving the first detection signal output by the first limit detection device. In some exemplary embodiments, the elevator system further comprises a ranging device mounted on a side of the elevator car floor toward the bottom end of the hoistway, configured to measure a distance between the elevator car bottom and the bottom end of the hoistway, and prior to controlling extension of the telescoping device of the target elevator car bottom, further comprising: acquiring the distance measured by the distance measuring device, and judging whether the stopping position of the target elevator car is at a flat layer position corresponding to the first target floor according to the measured distance; Performing an operation of controlling extension of an extension of a telescopic device at the bottom of the target elevator car in response to a level position corresponding to the first target floor; and responding to the flat layer position which is not corresponding to the first target floor, and carrying out flat layer position deviation reminding in a first preset reminding mode. In some example embodiments, the weight-loaded outbound call request includes a call floor and a call direction, the destination elevator car being determined by: Acquiring the current running mode of each elevator car; determining at least one elevator car with a current running mode being a non-heavy object loading mode, and selecting one elevator car from the determined at least one elevator car as the target elevator car according to a call floor, a call direction and the running condition of the determined at least one elevator car corresponding to the heavy object loading outbound call request; after controlling the opening of the car door of the target elevator car for loading the weight, the