WO2017092111A1 - Système de positionnement et de codage de cabine d'ascenseur et procédé de commande - Google Patents
Système de positionnement et de codage de cabine d'ascenseur et procédé de commande Download PDFInfo
- Publication number
- WO2017092111A1 WO2017092111A1 PCT/CN2015/099161 CN2015099161W WO2017092111A1 WO 2017092111 A1 WO2017092111 A1 WO 2017092111A1 CN 2015099161 W CN2015099161 W CN 2015099161W WO 2017092111 A1 WO2017092111 A1 WO 2017092111A1
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- WIPO (PCT)
- Prior art keywords
- car
- elevator
- controller
- cable
- control system
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/02—Cages, i.e. cars
Definitions
- the invention relates to the field of elevators, in particular to an elevator car code positioning system, and is particularly suitable for high-speed, super-high-speed and large-stroke elevators in underground ultra-deep mines and ground super-high buildings.
- the elevator control system has added the car positioning system, the running speed monitoring system, the leveling control system, the speed limit system, the anti-sliding protection system, the anti-shear protection system and the terminal limit protection system.
- the above additional systems are independent systems, and a series of sensors are required to be distributed in various parts of the elevator system.
- Each system needs to be provided with an independent acquisition module, and the collected signals are transmitted to the overall control of the elevator control cabinet.
- the module makes the elevator control system large and cumbersome, increases the construction cost of the elevator, and affects the operational reliability of the elevator.
- the traditional elevator level control is mostly controlled by the photoelectric switch installed at the target landing and the rotary encoder installed on the main shaft of the traction machine. This method can only achieve deceleration according to the speed principle.
- the traditional speed limit system includes a speed limiter, a safety gear, a speed limit rope and a tensioning device, in the high-rise high-speed elevator In the system, the speed limit rope is shaken, which may cause the safety clamp to malfunction.
- the traditional anti-rolling protection system and the anti-shear protection system mostly use photoelectric switches. The principle and the level control are similar.
- the object of the present invention is to provide an elevator car code positioning system and a control method for the problems existing in the prior art, which can realize car positioning, running speed monitoring, leveling control, cordless speed limit protection, and prevention. Slip Car protection, anti-shear protection and terminal limit protection.
- the elevator car code positioning system of the present invention comprises an elevator positioning system and a group control system connected to the hoistway total controller;
- the elevator positioning system comprises a single elevator control system in the elevator control cabinet, and is installed in the elevator a car control system in the car, a coded cable system connected to both the single elevator control system and the car control system via a communication cable;
- the single elevator control system includes an elevator total controller, and a wireless module I connected to the elevator main controller through a communication cable;
- the car control system includes a car controller installed in the elevator car, a display screen connected to the car controller via a communication cable, and a wireless module II.
- the car controller is connected to the car by the control cable.
- the electromagnets on the car are connected, and the connecting rod mechanism is connected to the electromagnet, and is connected to the safety pliers disposed on both sides of the car and close to the elevator rail through the connecting rod mechanism;
- the coded cable system includes a starter box at the top of the hoistway, a terminal box at the bottom of the hoistway, and an encoding cable connecting both the start end box and the terminal box.
- the start end box is provided with an address code receiver, and the car is located near the code cable.
- the group control system comprises a communication bus connecting the general controllers of the hoistways, a group control module and a call module connected to the communication bus, and a monitoring module is arranged on the group control module.
- the control method for the elevator car code positioning using the above device includes the following steps:
- the special frequency signal generated by the address code generator is transmitted to the code cable by the induction antenna box, and the signal is transmitted to the address code receiver at the top of the hoistway through the code cable, and the signal passes through the gray After the code mode cross-twisted the encoded cable, the coded address signal is formed, and the address code receiver decodes the received coded address signal, parses the address signal, and transmits the address to the elevator controller, and the elevator controller will The car coded address is transmitted back to the car control system via the wireless module I, received by the wireless module II and sent to the car controller;
- Elevator leveling control When the car approaches the destination landing, the elevator master controller decelerates according to the distance and the calculated speed according to the real-time position of the car collected by the coded cable system. The adjusted car position passes through the coded cable system. Position feedback, constantly adjust the speed of the traction machine, and control the car to accurately and smoothly stop at the destination landing;
- Elevator anti-rolling protection When the elevator traction machine stops, if the car has a rolling accident, the car controller is based on The coded cable system collects the position of the car and slips, and the car controller responds to make the safety gear act to stop the car;
- Elevator anti-shear protection When the car stops at the target landing and the car door is not completely closed, if the traction machine starts running, the elevator master controller and the car controller detect that the car position is beyond normal through the code cable system. At the docking position, the elevator master controller and the car controller respond to stop the traction machine and the safety gear to stop the car;
- Elevator group control system In the group control system, the elevator general controller of each hoistway transmits the car position signal and running status collected by the coded cable system to the group control module in real time through the communication bus; when the call module will call the call request It is transmitted to the group control module through the communication bus, and the group control module selects an optimal operation plan according to the current operation condition of each hoistway car, and transmits the call request to the elevator total controller of the corresponding hoistway to make corresponding.
- the system has precise positioning and strong anti-interference ability: the coding cable core wire used in this system is arranged in a cross-twisting manner by Gray code, eliminating electromagnetic interference, and the intersection of the coding cable core without overlapping at all times can be in the car running interval.
- the absolute address is detected continuously and accurately, and the detection accuracy is up to 5mm, which can fully meet the requirements of accurate positioning of the car, and overcome the cumulative error of the conventional car positioning using the rotary encoder and the systematic error caused by the mechanical gap of the traction system. In the long-running conditions of the system, the car positioning is more accurate;
- the system is simple and reliable, with rich functions and wide application range: the system uses the coding cable system to realize not only the positioning of the car, but also the operation speed monitoring and leveling control by the elevator control system according to the position signal collected by the coding and positioning system.
- the running speed monitoring is realized by the conversion of the car position change in unit time, which overcomes the accumulated error caused by the conventional encoder and the mechanical error caused by the mechanical gap of the traction system; the speed is reduced by the distance principle to realize the accurate car.
- Layer control overcoming the instantaneous braking acceleration generated by the traditional leveling control; monitoring the running speed of the elevator control system, controlling the safety mechanism on the car through wireless transmission signals, achieving cordless speed limit protection, overcoming the high-speed elevator speed limit rope Existing safety hazards; use the car code positioning signal and stop layer, open door signal, timely detection and response when rolling and shearing accidents occur, so that the safety gear moves, anti-sliding, anti-shear protection, overcoming the traditional system
- the extreme situation of the existing situation can not respond; use the leveling control signal of the terminal landing to realize the early deceleration when the car is topped or the bottom of the pier, slow down the braking acceleration, and overcome the damage caused by the high-speed instantaneous braking of the traditional system.
- the car code positioning system eliminates the need to arrange a series of sensor detection throughout the well, which simplifies the structure and control of the system and ensures its system is stable and reliable. It is complex in the twin-elevator control system and the multi-hoist elevator group-controlled elevator system. There are more significant advantages in the system. Apply the car code positioning system in the twin elevators to accurately detect two in the same hoistway in real time. The position of the car, when the system fails, the two cars have a collision trend, early warning and deceleration, to ensure that the two cars do not collide; in the multi-hoist elevator group control system, the car code positioning system is applied to achieve The positioning and motion detection of all the cars in each hoistway simplify the algorithm of the call system and facilitate the optimal elevator dispatch.
- FIG. 1 is a structural block diagram of an overall system of the present invention applied to a single elevator system
- FIG. 2 is a control block diagram of the overall system of the present invention.
- Figure 3 is a structural block diagram of the overall system of the present invention applied to a twin sub-elevator system
- FIG. 4 is a structural block diagram of an elevator group control system applied to a multi-hoistway of the overall system of the present invention.
- the elevator car code positioning system of the present invention is applied to a single elevator system and a twin elevator system, and is mainly composed of a single elevator control system 1, a car control system 2, and a coded cable system 3;
- the elevator group control system applied to the multi-hoistway is mainly composed of a single elevator control system 1, a car control system 2, a coded cable system 3, and a group control system 4.
- the single elevator control system 1 is located in the elevator control cabinet, the car control system 2 is located in the elevator car, and the coded cable system 3 is connected to both the single elevator control system 1 and the car control system 2 via a communication cable, and the group control system 4 It is connected to the main shaft elevator controller through the communication bus 4-1.
- the single elevator control system 1 comprises an elevator total controller 1-1, a wireless module I1-2 connected to the elevator main controller 1-1 via a communication cable, and the elevator total controller 1-1 is the elevator's overall control center. .
- the elevator master controller 1-1 controls the signal communication and control of the two traction machines and the two cars.
- the elevator master controller 1-1 includes all controls except the elevator system.
- the car control system 2 includes a car controller 2-3, a display screen 2-1 and a wireless module II2-2 connected to the car controller 2-3 via a communication cable, and the display screen 2-1 is used for The current operating state of the car is displayed, and the two wireless modules I, II1-2, 2-2 can directly communicate with each other wirelessly.
- the electromagnets 2-4 mounted on the car 2-7 are connected to the car controller 2-3 via control cables, and the safety pliers 2-6 are mounted on both sides of the car 2-7 and close to the elevator guide rails. 2-5 Connect the electromagnet 2-4 and the safety gear 2-6.
- the car controller 2-3 When the car controller 2-3 receives the instruction of the car brake issued by the elevator main controller 1-1 through the wireless module I1-2 through the wireless module II2-2, the car controller 2-3 passes the control line The cable operates the electromagnet 2-4, and the electromagnet 2-4 drives the safety gear 2-6 through the link mechanism 2-5 to stop the car 2-7.
- the coded cable system 3 includes a start end box 3-4 at the top of the hoistway, a terminal box 3-6 at the bottom of the hoistway, and an encoding cable 3-5 connecting the start end box 3-4 and the terminal box 3-6.
- the reference line is composed of an address line for obtaining a standard signal and an address line for detecting an address. Each pair of address lines is cross-twisted in a Gray code manner to ensure that there is no overlapping intersection of the encoded cable cores.
- An address code receiver 3-1 is provided at the beginning end box 3-4, and an address code generator 3-3 and an inductive antenna box 3-2 are disposed on the car near the coding cable 3-5;
- the group control system 4 includes a communication bus 4-1 connecting the general elevator controllers of the hoistway, a group control module 4-3 and a call module 4-4 connected to the communication bus 4-1, and the group control module 4-3.
- a monitoring module 4-2 is provided to display the car operating position and state in each of the hoistways.
- Each of the cars 2-7 needs to be provided with an address code generator 3-3.
- the twin elevators have two cars 2-7 in one well, as shown in Fig. 4, the multi-hoist group Control the elevator.
- the function of the sensing antenna box 3-2 is to transmit the signal of the special frequency generated by the address code generator 3-3 to the encoding cable by electromagnetic coupling.
- the elevator main controller 1-1 is an elevator main control system, which is composed of a PLC, a frequency converter, etc., and is mainly controlled by speed and safety.
- the car controller 2-3 is a sub-control system installed on the car 2-7, controlled by the elevator general controller 1-1, control information display, frequency generation of the address code generator 3-3, safety gear 2 - 6 electrical control and other subsystems specific control.
- the start box 3-4 and the terminal box 3-6 are junction boxes for the start and end ends of the coded cable.
- the elevator controller and the car controller described above are all controllers in the prior art elevators, and different elevator models are different.
- the method for controlling the positioning and positioning of an elevator car of the present invention comprises the following steps:
- the signal of the special frequency generated by the address code generator 3-3 is transmitted to the code cable 3-5 by the induction antenna box 3-2, and the signal is transmitted to the code cable 3-5 through the code cable 3-5
- the address code receiver 3-1 at the top of the hoistway forms a coded address signal through the coded cable 3-5 which is cross-twisted in a Gray code manner, and the address code receiver 3-1 performs address translation on the received coded address signal.
- the elevator total controller 1-1 and the car controller 2-3 calculate the real-time running speed of the car 2-7 according to the variation law of the collected car code address with time;
- Elevator leveling control When the car 2-7 approaches the destination landing, the elevator master controller 1-1 decelerates according to the distance principle according to the real-time position of the car 2-7 and the calculated speed collected by the coded cable system 3. The rear car 2-7 position passes the position feedback of the coded cable system 3, continuously adjusts the speed of the traction machine 1-3, and controls the car 2-7 to accurately and smoothly stop at the destination landing;
- Elevator anti-rolling protection When the elevator traction machine 1-3 stops, if the car 2-7 has a rolling accident, the car controller 2-3 takes place according to the coded cable system 3 to the car 2-7 position. Sliding, the car controller 2-3 responds to operate the safety gear 2-6 to stop the car 2-7;
- Elevator anti-shear protection When the car 2-7 stops at the target landing and the car door is not completely closed, if the traction machine 1-3 starts running, the elevator general controller 1-1 and the car controller 2 3 It is detected by the coded cable system 3 that the position of the car 2-7 is beyond the normal stop position, the elevator total controller 1-1 responds with the car controller 2-3, and the traction machine 1-3 is stopped, and the safety gear 2-6 Acting to stop the car 2-7;
- Elevator terminal limit protection When the car 2-7 is close to the top or bottom layer, if the elevator total controller 1-1 detects through the coded cable system 3 that the elevator running speed does not meet the normal stop requirement, the elevator total controller 1 1 response, decelerating the traction machine 1-3; when the car 2-7 exceeds the top or bottom stop, the elevator master controller 1-1 and the car controller 2-3 detect the car through the coded cable system 3 2-7 position exceeds the normal operation interval, the elevator total controller 1-1 and the car controller 2-3 respond, so that the traction machine 1-3 is stopped, the safety gear 2-6 is operated, and the car 2-7 is stopped;
- Elevator group control system In the group control system, the elevator total controller 1-1 of each hoistway transmits the car 2-7 position signal and the running status of the coded cable system 3 to the group control through the communication bus 4-1 in real time. Module 4-3; when the call module 4-4 transmits the call request to the group control module 4-3 via the communication bus 4-1, the group control module 4-3 selects an optimal operation plan according to the current operation of each hoistway car. The elevator request is transmitted to the elevator general controller 1-1 corresponding to the hoistway to make it correspond.
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- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Indicating And Signalling Devices For Elevators (AREA)
- Elevator Control (AREA)
Abstract
L'invention concerne un système de positionnement et de codage de cabine d'ascenseur et un procédé de commande. Le système de positionnement et de codage comprend un système (1) de commande d'ascenseur unique, un système (2) de commande de cabine, un système (3) de câble de codage et un système (4) de commande de groupe. Un boîtier (3-2) d'antenne de détection se situant sur la cabine transmet un signal, généré par un générateur d'adresse codée et présentant une fréquence spécifique, à un câble (3-5) de codage par l'intermédiaire d'un couplage électromagnétique. Le signal est transmis sur le câble (3-5) de codage, agencé et entrelacé selon un code de Gray pour produire un signal d'adresse codée. Un récepteur d'adresse codée est configuré pour recevoir le signal d'adresse codée et décoder celui-ci. Le système de positionnement utilise le système de câble de codage pour mettre en oeuvre diverses fonctions telles que le positionnement de la cabine, la surveillance de la vitesse de fonctionnement, la commande de mise à niveau, une protection à limite de vitesse sans câble, une protection antiglissement de cabine, une protection anticoupure et une protection par limitation de position terminale.
Priority Applications (1)
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CA2980636A CA2980636C (fr) | 2015-12-03 | 2015-12-28 | Systeme de positionnement et de codage de cabine d'ascenseur et procede de commande |
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CN201510875146.5A CN105384037B (zh) | 2015-12-03 | 2015-12-03 | 电梯轿厢编码定位***及控制方法 |
CN201510875146.5 | 2015-12-03 |
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WO2017092111A1 true WO2017092111A1 (fr) | 2017-06-08 |
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PCT/CN2015/099161 WO2017092111A1 (fr) | 2015-12-03 | 2015-12-28 | Système de positionnement et de codage de cabine d'ascenseur et procédé de commande |
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CN (1) | CN105384037B (fr) |
CA (1) | CA2980636C (fr) |
WO (1) | WO2017092111A1 (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN107857180A (zh) * | 2017-11-28 | 2018-03-30 | 广东省特种设备检测研究院珠海检测院 | 一种电梯轿厢意外移动保护功能的检测***及方法 |
CN109650206A (zh) * | 2019-01-24 | 2019-04-19 | 大连特种设备检验检测研究院有限公司 | 一种电梯负载安全制动试验装置 |
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CN111891861B (zh) * | 2020-07-15 | 2022-11-18 | 日立楼宇技术(广州)有限公司 | 基于编码电缆的电梯通信方法、装置、控制器和*** |
CN112141838A (zh) * | 2020-10-22 | 2020-12-29 | 长春盛昊电子有限公司 | 电梯井道信息安全装置 |
CN112660950A (zh) * | 2020-12-29 | 2021-04-16 | 日立电梯(中国)有限公司 | 电梯*** |
CN114516572B (zh) * | 2022-02-28 | 2024-07-12 | 安徽迅立达电梯有限公司 | 一种无底坑式电梯节能管理*** |
CN115520738B (zh) * | 2022-10-26 | 2023-05-12 | 湖南蓬源鸿达矿业有限公司 | 一种矿用升降机的智能控制*** |
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- 2015-12-03 CN CN201510875146.5A patent/CN105384037B/zh active Active
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- 2015-12-28 CA CA2980636A patent/CA2980636C/fr active Active
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CN107857180A (zh) * | 2017-11-28 | 2018-03-30 | 广东省特种设备检测研究院珠海检测院 | 一种电梯轿厢意外移动保护功能的检测***及方法 |
CN109650206A (zh) * | 2019-01-24 | 2019-04-19 | 大连特种设备检验检测研究院有限公司 | 一种电梯负载安全制动试验装置 |
CN109650206B (zh) * | 2019-01-24 | 2024-04-05 | 大连特种设备检验检测研究院有限公司 | 一种电梯负载安全制动试验装置 |
Also Published As
Publication number | Publication date |
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CA2980636C (fr) | 2019-12-31 |
CN105384037A (zh) | 2016-03-09 |
CA2980636A1 (fr) | 2017-06-08 |
CN105384037B (zh) | 2017-07-28 |
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