WO2019205582A1 - Module d'ouverture de porte d'avance et système de commande d'ascenseur - Google Patents

Module d'ouverture de porte d'avance et système de commande d'ascenseur Download PDF

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Publication number
WO2019205582A1
WO2019205582A1 PCT/CN2018/115064 CN2018115064W WO2019205582A1 WO 2019205582 A1 WO2019205582 A1 WO 2019205582A1 CN 2018115064 W CN2018115064 W CN 2018115064W WO 2019205582 A1 WO2019205582 A1 WO 2019205582A1
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WO
WIPO (PCT)
Prior art keywords
signal
door
early
door opening
opening module
Prior art date
Application number
PCT/CN2018/115064
Other languages
English (en)
Chinese (zh)
Inventor
余福斌
Original Assignee
苏州汇川技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 苏州汇川技术有限公司 filed Critical 苏州汇川技术有限公司
Publication of WO2019205582A1 publication Critical patent/WO2019205582A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
    • B66B13/30—Constructional features of doors or gates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
    • B66B13/02—Door or gate operation
    • B66B13/14—Control systems or devices
    • B66B13/143—Control systems or devices electrical

Definitions

  • the present invention relates to the field of elevators, and more particularly to an early door opening module and an elevator control system.
  • FIG. 1 shows an implementation of an existing early door opening module.
  • the early door opening scheme in Fig. 1 is a pure mechanical switch structure, and the function of opening the door ahead is realized by interlocking safety relays. This solution has the problem of low reliability.
  • the scheme of Fig. 1 has the problem that the cost of the safety relay is high and the control timing is complicated.
  • the technical problem to be solved by the present invention is to provide an early door opening module and an elevator control system in view of the above-mentioned low reliability defects of the prior art.
  • the technical solution adopted by the present invention to solve the technical problem is: constructing an early door opening module for an elevator system, the early door opening module comprising a plurality of control channels and a door closing path, the door closing path and the safety circuit
  • the door locks are connected in parallel, and each of the control channels is configured to output a door lock shorting signal when the elevator speed is within a preset range and the door area signal is valid, and the door closing path outputs the door lock shorting signal when all the control channels output the door lock Shorten the door lock to open the door in advance.
  • the door closing path includes a plurality of controllable switches connected in series, and the control ends of the plurality of controllable switches are respectively connected to the plurality of control channels in a one-to-one correspondence
  • Each of the controllable switches is configured to switch from an off state to an on state when receiving a door lock shorting signal output by the corresponding control channel.
  • controllable switch includes a relay.
  • each of the control channels includes a programmable controller.
  • the door zone signal includes an upper leveling signal and a lower leveling signal; each of the programmable controllers receives an effective upper level within a preset time interval. Layer signal and effective Outputting a valid feedback signal to the control board when the lower level signal is received; the control board outputs a gate signal to each of the programmable signals when receiving an effective feedback signal of all programmable controllers and determining that the elevator speed is within a preset range a programmable controller; each of the programmable controllers outputs a door lock shorting signal when receiving the door closing signal.
  • the input of each of the programmable controllers includes an upper leveling signal input end, a lower leveling layer signal input end, and a door closing signal input end, all of the programmable control
  • the upper level signal input end of the device is connected in common
  • the lower level signal input end is connected in common
  • the gate signal input end is connected in common.
  • the method further includes:
  • a first isolation module is simultaneously connected to all of the upper level signal input ends of the programmable controller, the first isolation module is configured to externally connect an upper leveling sensor mounted on the car door and receive the The upper leveling signal output by the upper level sensor is sent to the programmable controller;
  • a second isolation module is simultaneously connected to all of the lower level signal input ends of the programmable controller, and the second isolation module is configured to externally connect the lower leveling sensor mounted on the car door and receive the lower leveling layer a lower level signal output by the sensor and sent to the programmable controller;
  • a third isolation module is connected to the gate signal input end of the programmable controller at the same time, and is connected to the control board, and the third isolation module is configured to receive the door issued by the control board. Signals are sent to the programmable controller.
  • all of the programmable controllers communicate with each other using a serial peripheral interface SPI bus, and any of the programmable controllers are connected through a fourth isolation module.
  • the control board is configured to upload an effective feedback signal to the control board when both the upper leveling signal and the lower leveling signal are valid.
  • a power module for supplying power to the entire early door opening module is further included.
  • the present invention also discloses an elevator control system including a control panel, a door zone signal sensor, and an advance door opening module as described above.
  • the pre-opening module and the elevator control system embodying the present invention have the following beneficial effects:
  • the early door opening module can maintain the elevator to continue running by shorting the door lock in the safety circuit, thereby realizing the door opening in advance, thereby enabling the elevator system to open the door efficiently.
  • a plurality of control channels are used to simultaneously control the opening of the door at the same time, and any one of the control channels cannot open the door, thereby realizing mutual verification and improving the reliability of the entire system;
  • the control channel of the present invention Includes programmable controller, simple timing and simple circuit.
  • FIG. 1 is a schematic structural view of an early door opening module in the prior art
  • FIG. 2 is a schematic structural diagram of an early door opening module according to Embodiment 1 of the present invention.
  • FIG. 3 is a schematic structural diagram of an early door opening module according to Embodiment 2 of the present invention.
  • constituent elements are not limited by these terms. The purpose of using these terms is simply to distinguish one component from another.
  • the first constituent element may be named as the second constituent element without departing from the scope of the invention, and similarly, the second constituent element may also be named as the first constituent element.
  • the general idea of the present invention is: constructing an early door opening module for an elevator system, comprising a plurality of control channels and a door closing path, the door closing path being parallel with the door locks in the safety circuit, each of the control channels
  • the utility model is configured to output a door lock shorting signal when the elevator speed is within a preset range and the door area signal is valid, and the door closing path shorts the door lock when all the control channels output the door lock shorting signal to realize opening the door in advance
  • the early door opening module in this embodiment includes a plurality of control channels and a door closing path, and the thick solid line portion indicates a door closing path, and the door closing path is connected in parallel with the door lock in the safety circuit.
  • the control channel is configured to output a door lock shorting signal when the elevator speed is within a preset range and the door area signal is valid, and the door closing path shorts the door lock when all the control channels output the door lock shorting signal Realize the door opening in advance.
  • the gate region signal can be detected by the gate region signal sensor, and the gate region signal includes an upper leveling signal and a lower leveling signal. Whether the elevator speed meets the requirements is judged by the control panel.
  • a programmable controller is included in each of the control channels.
  • each of the programmable controllers outputs a valid feedback signal to the control board when receiving a valid upper leveling signal and a valid lower leveling signal within a preset time interval; the control board receives the The effective feedback signal of all programmable controllers and determining that the elevator speed is within a preset range (the preset range is generally a lower speed range, such as may be less than 0.3 m/s), outputting a gate signal to each of the described Programmable controller; each of the programmable controllers receives the The door lock shorting signal is output when the door closing signal is described.
  • the input of each of the programmable controllers includes an upper leveling signal input end, a lower leveling layer signal input end, and a gate signal input end, and all of the programmable controller upper level signal input ends are connected And receiving the upper leveling signal, the lower leveling signal input end is connected and receiving the lower leveling signal, the sealing signal input end is connected in common and receiving the sealing signal, so that all the inputs of the programmable controller are completely consistent.
  • the gated path includes a plurality of controllable switches connected in series, and the control ends of the plurality of controllable switches are respectively connected to the plurality of programmable controllers in one-to-one correspondence, and each of the controllable switches is used When the door lock shorting signal of the corresponding programmable controller output is received, it is switched from the off state to the on state. Since the plurality of controllable switches are connected in series, the gate path is only turned on when all of the controllable switches are turned on, thereby achieving system reliability.
  • the STO Safe Torque Off
  • SBC Safe Brake Control
  • ST0 and SBC are connected in series in the safety loop.
  • all safety switches in the safety circuit must be connected. Therefore, the ST0 and SBC can obtain power through the safety circuit, but if any safety switch in the safety circuit is broken, On, the power supply of the IjSTO and SBC will be disconnected and the elevator will not run.
  • the door lock is a kind of safety switch of the safety circuit.
  • the dotted arrow in Fig. 2 indicates the part of the safety circuit except the door lock.
  • the power supply of ST0 and SBC will be disconnected.
  • the door lock switch that controls the door lock is opened, so that the power supply of the door lock is disconnected, so that the door lock is in the open state in the safety circuit, and the door lock is broken, causing the safety circuit to be disconnected, thereby causing ST0 and SBC.
  • the power supply is disconnected, eventually causing the elevator to stop running.
  • this embodiment adds a door closing path in parallel with the door lock, that is, as shown by the thick solid line in Fig.
  • the path will short the door lock when the elevator speed falls within the preset range, so When the door lock is opened, the safety circuit can be turned on by the path, so that the elevator can continue to operate without stopping due to the opening of the door lock switch, thereby achieving the door opening in advance.
  • the programmable controller is specifically a microcontroller MCU.
  • MCU microcontroller
  • the MCU is not limited to two, and can be customized according to requirements. set up.
  • the controllable switch adopts relays Relay 1 and Relay 2. MCU through control relay Whether the coil is powered or not, controls the opening and closing of the relay, and the MCU also monitors the status of the relay.
  • the door area signal sensor includes an upper leveling sensor and a lower leveling sensor.
  • the upper leveling signal FL1 and the lower leveling signal FL2 are respectively collected by an upper leveling sensor and a lower leveling sensor mounted on the car.
  • the gate signal Y, the upper leveling signal FL1, and the lower leveling signal FL2 are level signals, and both are active high.
  • the early opening module in this embodiment further includes:
  • the first isolation module is simultaneously connected to the upper leveling signal input end of the plurality of MCUs, and is configured to externally connect the upper leveling sensor mounted on the car door and receive the upper leveling signal FL1 of the upper leveling sensor output And sending the upper leveling signal FL1 to the plurality of MCUs;
  • the second isolation module is simultaneously connected to the lower leveling signal input end of the plurality of MCUs, and is configured to externally connect the lower leveling sensor mounted on the car door and receive the lower leveling signal FL2 output by the lower leveling sensor, and lower the leveling signal Layer signal FL2 is sent to multiple MCUs;
  • the third isolation module is connected to the gate signal input end of the plurality of MCUs at the same time, and is connected to the control board for receiving the gate signal Y sent by the control board and sent to the plurality of MCUs.
  • the first isolation module, the second isolation module, and the third isolation module may adopt an optocoupler isolator. 10 ports of the MCU selected by the upper level signal input end, the lower leveling signal input end, and the closing signal input end of the M CU.
  • the SPI Serial Peripheral Interface
  • the control board uploads a feedback signal to the control board when the door lock is shorted.
  • the embodiment further includes a power module for supplying power to the entire early door opening module.
  • the entire pre-opening module further includes a reset circuit and an electrically erasable programmable read only memory (EEPROM), reset ports of all MCUs. All are connected to the reset circuit, and the IIC interface of any one of the MCUs is connected to the EEPROM.
  • EEPROM electrically erasable programmable read only memory
  • the working process of this embodiment is as follows: Referring to FIG. 3-4, after the system is powered on, when MCU1 and MCU2 detect that the upper leveling signal 1 (FL1) is valid, and the lower leveling signal 2 (FL2) is detected. When valid, the feedback signal is valid to the control board. The control board detects the valid feedback signal and determines that the elevator speed is at the preset. In the range, the output gate signal Y is supplied to the MCU1, MCU2, MCU1, and MCU2 to the coils of the relays Rela yl and Relay2, and the related contacts of Relay 1 and Relay 2 act to turn on the gate path, thereby shorting the door lock, STO and The SBC runs to achieve the effect of opening the door in advance. When the upper leveling signal 1 (FL1) is invalid or the lower leveling signal 2 (FL2) is invalid, the feedback signal is invalid and the gate signal is not output.
  • Embodiment 3 discloses an elevator control system including a control panel, a door zone signal sensor, and the early door opening module described above.
  • the door zone signal sensor includes an upper leveling sensor and a lower leveling sensor.
  • For the opening of the module in advance refer to the first embodiment or the second embodiment, and details are not described herein again.
  • the early opening door module and the elevator control system embodying the present invention have the following beneficial effects:
  • the present invention advances in the case where the speed of the elevator is lower than the preset low speed during the running stop and the door area signal is valid.
  • the door opening module can maintain the elevator to continue running by shorting the door lock in the safety circuit, realizing the door opening in advance, so that the door opening efficiency of the elevator system is maximized, and the plurality of control channels are used in the invention to simultaneously control the door opening in advance, and any control channel has problems.
  • the door can not be opened, so the mutual verification is realized, and the reliability of the whole system is improved.
  • the control channel of the invention includes a programmable controller, and the timing is simple and the circuit is simple.

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  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Elevator Door Apparatuses (AREA)

Abstract

L'invention concerne un module d'ouverture de porte d'avance et un système de commande d'ascenseur. Le module d'ouverture de porte d'avance comprend de multiples canaux de commande et un trajet d'étanchéité de porte, le trajet d'étanchéité de porte étant relié en parallèle à un verrou de porte dans une boucle de sécurité ; chacun des canaux de commande étant utilisé pour émettre un signal de court-circuit de verrouillage de porte lorsqu'une vitesse d'ascenseur se trouve dans une plage prédéfinie et qu'un signal de zone de porte est valide ; et le trajet d'étanchéité de porte court-circuitant le verrou de porte lorsque tous les canaux de commande délivrent en sortie le signal de court-circuit de verrouillage de porte, de façon à obtenir une ouverture de porte d'avance, de manière à ce que l'efficacité d'ouverture de porte d'un système d'ascenseur soit la plus élevée, et qu'une vérification mutuelle soit obtenue, et que la fiabilité de l'ensemble du système soit améliorée. Étant donné qu'un canal de commande comprend un dispositif de commande programmable, la séquence de synchronisation est simple, et le circuit est simple.
PCT/CN2018/115064 2018-04-26 2018-11-12 Module d'ouverture de porte d'avance et système de commande d'ascenseur WO2019205582A1 (fr)

Applications Claiming Priority (2)

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CN201810384924.4 2018-04-26
CN201810384924.4A CN108423528A (zh) 2018-04-26 2018-04-26 一种提前开门模块以及电梯控制系统

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112357713A (zh) * 2020-11-27 2021-02-12 杭州电子科技大学 一种多功能电梯安全保护系统及方法

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108423528A (zh) * 2018-04-26 2018-08-21 苏州汇川技术有限公司 一种提前开门模块以及电梯控制系统
CN110745673B (zh) * 2019-09-30 2022-04-29 苏州汇川技术有限公司 电梯安全运行方法、系统、设备、介质及安全功能装置
CN110723627A (zh) * 2019-09-30 2020-01-24 苏州汇川技术有限公司 电梯安全运行方法、系统、设备、存储介质及电子装置

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CN206692161U (zh) * 2016-12-05 2017-12-01 西继迅达（许昌）电梯有限公司 一种电梯系统和电梯控制板
CN206720513U (zh) * 2017-03-03 2017-12-08 北京索德电气工业有限公司 多功能电梯轿厢意外移动保护系统
CN108423528A (zh) * 2018-04-26 2018-08-21 苏州汇川技术有限公司 一种提前开门模块以及电梯控制系统
CN208150758U (zh) * 2018-04-26 2018-11-27 苏州汇川技术有限公司 一种提前开门模块以及电梯控制系统

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CN206692161U (zh) * 2016-12-05 2017-12-01 西继迅达（许昌）电梯有限公司 一种电梯系统和电梯控制板
CN206720513U (zh) * 2017-03-03 2017-12-08 北京索德电气工业有限公司 多功能电梯轿厢意外移动保护系统
CN108423528A (zh) * 2018-04-26 2018-08-21 苏州汇川技术有限公司 一种提前开门模块以及电梯控制系统
CN208150758U (zh) * 2018-04-26 2018-11-27 苏州汇川技术有限公司 一种提前开门模块以及电梯控制系统

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Publication number Priority date Publication date Assignee Title
CN112357713A (zh) * 2020-11-27 2021-02-12 杭州电子科技大学 一种多功能电梯安全保护系统及方法

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