WO2021090623A1 - エレベーター制御装置、エレベーター制御方法及びエレベーターシステム - Google Patents

エレベーター制御装置、エレベーター制御方法及びエレベーターシステム Download PDF

Info

Publication number
WO2021090623A1
WO2021090623A1 PCT/JP2020/037740 JP2020037740W WO2021090623A1 WO 2021090623 A1 WO2021090623 A1 WO 2021090623A1 JP 2020037740 W JP2020037740 W JP 2020037740W WO 2021090623 A1 WO2021090623 A1 WO 2021090623A1
Authority
WO
WIPO (PCT)
Prior art keywords
pit
mode
car
maintenance
unit
Prior art date
Application number
PCT/JP2020/037740
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
隆行 番場
松本　恵治
寛典 金田
靖大 比氣
勇来 齊藤
Original Assignee
株式会社日立製作所
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 株式会社日立製作所 filed Critical 株式会社日立製作所
Priority to CN202080072289.1A priority Critical patent/CN114555505B/zh
Priority to JP2021554848A priority patent/JP7308967B2/ja
Publication of WO2021090623A1 publication Critical patent/WO2021090623A1/ja

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/0043—Devices enhancing safety during maintenance
    • B66B5/005—Safety of maintenance personnel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B1/00—Control systems of elevators in general
    • B66B1/02—Control systems without regulation, i.e. without retroactive action
    • B66B1/06—Control systems without regulation, i.e. without retroactive action electric
    • B66B1/14—Control systems without regulation, i.e. without retroactive action electric with devices, e.g. push-buttons, for indirect control of movements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B1/00—Control systems of elevators in general
    • B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
    • B66B1/3415—Control system configuration and the data transmission or communication within the control system
    • B66B1/3423—Control system configuration, i.e. lay-out
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
    • B66B5/0087—Devices facilitating maintenance, repair or inspection tasks

Definitions

  • the present invention relates to an elevator control device, an elevator control method, and an elevator system.
  • Patent Document 1 states, "When the operation mode is switched to the inspection operation mode by the operation mode switching means provided at a predetermined location among a plurality of locations, the operation mode switching provided at another location is performed.
  • the technology described as "preventing the switching of the operation mode by means and the switching of the rated speed by the speed switching means provided in another place" was disclosed.
  • the pit is a space provided below the bottom floor (for example, the first floor) of the building. For this reason, when a maintenance worker on the floor or in the car is raising or lowering the car while there is a maintenance person in the pit, the state in the pit or the position of the car in the hoistway Because the car cannot be stopped at a position where the safety of the maintenance staff can be ensured, an accident has occurred in which the car and the balance weight come into contact with the maintenance staff. In addition, if the range of movement of the car is restricted in order to ensure the safety of the maintenance personnel in the pit, the stop position of the car may not be at a height that is easy for the maintenance personnel in the pit to work. .. If the operation of the car is restricted so as to ensure the safety of the maintenance staff in the pit in this way, the work of the maintenance staff becomes inconvenient and the work efficiency is lowered.
  • the present invention has been made in view of such a situation, and an object of the present invention is to improve work efficiency while ensuring the safety of maintenance personnel in the pit.
  • the elevator control device is a state in which the car is operated in the maintenance operation mode in which the moving speed of the car moving on the hoistway is controlled to be lower than the moving speed in the normal operation mode in the maintenance and inspection of the elevator. Then, when the in-pit operation reception section that accepts the in-pit operation performed by the maintenance staff who entered the pit at the bottom of the hoistway and the in-pit operation reception section notify that there is a maintenance staff in the pit, the elevator The operation mode is changed from the maintenance operation mode to the first restricted mode that restricts the movement of the car to a predetermined floor, or the second restricted mode that restricts the driving operation of the car performed from a place other than the pit. It includes a mode changing unit and an operation control unit that controls the operation of the car according to the first limiting mode or the second limiting mode changed by the operation mode changing unit.
  • the operation mode of the elevator is changed from the maintenance operation mode to the first restricted mode or the second restricted mode, so that the elevator is in the pit. It is possible to improve work efficiency while ensuring the safety of maintenance personnel in the area. Issues, configurations and effects other than those described above will be clarified by the following description of the embodiments.
  • FIG. 1 is an overall configuration diagram of the elevator 1.
  • the elevator 1 includes a car 2 capable of ascending and descending the inside of the hoistway 10.
  • the hoistway 10 is provided with pits formed by digging further from the first floor (lowermost floor) of the building, in addition to each floor having the lowest floor as the first floor and the top floor as the nth floor.
  • This elevator 1 includes a car 2, a car device 3, a tail code 4, a pulley 5, a rope 6, a hoisting machine 7, and a balance weight 8. Inside the hoistway 10, a wire mesh 11 and an elevator control device 12 for protecting a switchboard and the like (not shown) are provided.
  • the tail code 4 communicates between the car 2 and the hoistway 10 where the car 2 moves up and down.
  • the tail cord 4 is generally a cord in which a plurality of multi-core cables such as control lines and power lines and a steel cord or the like which is a reinforcing material for supporting the weight of the tail cord 4 are coated with an insulating material.
  • the tail cord 4 has a substantially rectangular cross section to prevent twisting, and has a length considering the movement range of the car 2 and is bent so as to always have a curved portion.
  • the car 2 includes a door 2a, a passenger detection sensor 2b, an operation panel 2c, and a switch box 2d.
  • the door 2a and the landing door (not shown) are opened. While the car 2 is moving, the door 2a and the landing door are closed.
  • a passenger detection sensor 2b that detects passengers getting on and off is installed on the door 2a. When the passenger passes through the open door 2a, the passenger detection sensor 2b detects that the passenger is getting on and off the car 2 and sends the detection result to the elevator control device 12 through the tail code 4.
  • the switch box 2d provided in the car 2 is opened by the maintenance staff 32, and the maintenance staff 32 maintains the operation mode of the elevator 1 from the normal operation mode through the switch box 2d. Change to operation mode.
  • the car 2 is controlled so that the car 2 does not move even if the passenger presses the call button on each floor. Then, in the maintenance operation mode, the moving speed of the car 2 moving on the hoistway 10 is controlled to be lower than the moving speed in the normal operation mode.
  • the car device 3 is attached to the bottom surface of the car 2 and one end of the tail cord 4 is connected.
  • the car device 3 outputs information on opening / closing the door 2a, information on the number of passengers or the weight of passengers in the car 2, and the like to the elevator control device 12 through the tail code 4.
  • the other end of the tail cord 4 is connected to the elevator control device 12 installed in the hoistway.
  • the control signal, electric power, and the like for controlling the operation of the car 2 are sent from the elevator control device 12 to the car 2 via the tail code 4.
  • information such as the destination floor instructed by the passengers who got into the car 2 and the current floor where the car 2 is located is sent from the car 2 to the elevator control device 12 via the tail code 4.
  • Two sets of pulleys 5 are provided on the ceiling of the hoistway 10.
  • a car 2 is attached to one end of the rope 6 via a pulley 5, and a counterweight 8 is attached to the other end of the rope 6 via a hoist 7.
  • the counterweight 8 is used to balance the car 2 connected to the rope 6.
  • a wire mesh 11 is installed on one wall surface in the hoistway 10 where the elevator control device 12 is installed. Between the wire mesh 11 and the wall surface of the hoistway 10, various devices (not shown) are installed in addition to the elevator control device 12 to which the other end of the tail cord 4 is connected.
  • the wire mesh 11 is used to prevent the tail code 4 swinging in the frontage direction from coming into contact with the equipment or the like installed in the hoistway 10 as the car 2 moves up and down.
  • a wireless communication device 15 is provided on the wall surface of each hall from the 1st floor to the nth floor.
  • the maintenance terminals 31 and 33 used by the maintenance personnel 30 and 32 can communicate with the elevator control device 12 through the wireless communication device 15.
  • the operation status of the elevator 1 output from the elevator control device 12 is displayed on the maintenance terminals 31 and 33.
  • the maintenance terminal 33 used on each floor (for example, the first floor) other than the pit can control the car 2 to be moved to an arbitrary floor or stopped in the middle of the floor. Further, the maintenance results are output from the maintenance terminals 31 and 33 to the elevator control device 12.
  • a communication connection portion to which a cable extended from the maintenance terminals 31 and 32 can be connected may be provided on the wall surface of the hall on each floor.
  • the maintenance terminals 31 and 32 may not be provided with the wireless communication device 15 by being configured to be able to communicate with the elevator control device 12 through the communication connection unit.
  • the hoisting machine 7 is installed on the floor surface in the pit, and the operation panel 20 in the pit (an example of the operation unit in the pit) is installed on the wall surface.
  • the operation panel 20 in the pit can be operated only by the maintenance staff 30 in the pit, and the car 2 is operated through the operation panel 20 in the pit.
  • the operation information of the operation performed through the operation panel 20 in the pit is output to the elevator control device 12.
  • the elevator control device 12 determines that there is a maintenance person in the pit based on the operation information received from the operation panel 20 in the pit, the elevator control device 12 changes the operation mode of the elevator 1 and changes the operation mode of the elevator 1 to each floor other than the pit (for example, the first floor). ) Is controlled so that the maintenance worker 32 cannot operate the car 2.
  • the maintenance worker 30 in the pit operates the operation panel 20 in the pit to drive the car 2, and operates the maintenance terminal 31, and the car device 3 provided under the floor of the car 2 and the like. , Carry out maintenance work to inspect the hoisting machine 7 installed on the pit floor.
  • the hoisting machine 7 winds up the rope 6 under the control of the elevator control device 12, and raises and lowers the car 2 to the destination floor instructed by the passenger while adjusting the moving speed of the car 2.
  • the hoisting machine 7 winds up the rope 6 and the car 2 moves under the control of the maintenance staff 32 on the floor.
  • a first restricted mode and a second restricted mode are prepared for the maintenance staff 30 in the pit to instruct the operation of the car 2.
  • the operation of moving the car 2 to a predetermined floor for example, the top floor and the bottom floor
  • the maintenance worker 30 can move the car 2 to the top floor and the bottom floor by operating the operation panel 20 in the pit.
  • the car 2 can be lowered to a height within the reach of the maintenance person 30 by the operation of the maintenance person 30 in the pit, and the car device 3 can be inspected.
  • the maintenance operation mode according to the present embodiment is changed to the first restricted mode or the second restricted mode described with reference to FIG. 5 described later.
  • Both the first restricted mode and the second restricted mode are examples of maintenance operation modes applied for the maintenance worker 30 in the pit to safely instruct the car 2 to move up and down. The detailed contents of the first restricted mode and the second restricted mode will be described later.
  • FIG. 2 is an external view showing a configuration example of the operation panel 20 in the pit.
  • the operation panel 20 in the pit includes a person detection sensor 21, a mode changeover switch 22, and an elevating / lowering instruction switch 23.
  • the human detection sensor 21 is a device that operates automatically and does not require the operation of the maintenance staff 30.
  • the mode changeover switch 22 and the elevating / lowering instruction switch 23 are both operated by the maintenance staff 30 in the pit.
  • the human detection sensor 21 When the person detection sensor 21 detects the maintenance worker 30 in the pit, it outputs the detection information to the operation reception unit 41 in the pit (see FIG. 3 described later) of the elevator control device 12.
  • the human detection sensor 21 includes a pyroelectric infrared sensor that detects heat rays emitted by a person and outputs a signal, a transmissive photoelectric sensor that detects the presence or absence of a person by combining an infrared light emitting element and this infrared receiving element, and a reflection type. It may be composed of a photoelectric sensor, an ultrasonic sensor that detects the presence or absence of a person by using an infrared ray, or the like. Further, as the person detection sensor 21, a camera capable of photographing the inside of the pit may be used.
  • the person detection sensor 21 may be attached to a location away from the operation panel 20 in the pit. Further, by attaching a plurality of person detection sensors 21 to each wall in the pit, the blind spot may be eliminated and the maintenance worker 30 in the pit may be reliably detected.
  • the mode changeover switch 22 makes it possible to switch the operation mode of the elevator 1 to either a maintenance operation mode or an in-pit maintenance operation mode.
  • the maintenance operation mode in the pit may be rephrased as the second restricted mode.
  • the mode changeover switch 22 By turning the mode changeover switch 22 to the OFF position, the operation mode is switched to the maintenance operation mode.
  • the elevating / lowering instruction switch 23 is a switch for the maintenance staff 30 in the pit to perform an operation of raising or lowering the car 2 in the second restriction mode.
  • the ascending / descending speed of the car 2 that moves by operating the elevating / lowering instruction switch 23 is set to be lower than the speed in the maintenance operation mode for safety. Then, when the maintenance worker 30 presses the button of the upward arrow of the ascending / descending instruction switch 23, an ascending signal is output to the elevator control device 12. Therefore, the maintenance worker 30 in the pit can operate the car 2 by operating the operation panel 20 in the pit.
  • FIG. 3 is a block diagram showing an example of the internal configuration of the elevator control device 12.
  • the elevator control device 12 includes an in-pit operation reception unit 41, an operation mode change unit 42, and an operation control unit 43.
  • the operation reception unit 41 in the pit receives the operation in the pit performed by the maintenance staff 30 who entered the pit at the lower part of the hoistway 10 while the car is being operated in the maintenance operation mode.
  • the operation in the pit is performed through the operation panel 20 in the pit.
  • the maintenance worker 30 By pressing the elevating / lowering instruction switch 23 of the operation panel 20 in the pit, the maintenance worker 30 gradually lowers the car 2 while looking at the bottom surface of the car 2 from inside the pit, and the car is at a height that is easy to maintain. 2 can be stopped.
  • the information received by the operation reception unit 41 in the pit includes the detection information output from the human detection sensor 21 (see FIG. 2).
  • the operation reception unit 41 in the pit receives the detection information, the operation reception unit 41 notifies the operation mode change unit 42 that the maintenance staff 30 is in the pit.
  • the operation mode change unit 42 changes to either the normal operation mode or the maintenance operation mode set in the switch box 2d. Then, when the operation mode changing unit 42 is in the maintenance operation mode and the pit operation reception unit 41 notifies that the maintenance worker 30 is in the pit, the operation mode changing unit 42 changes the operation mode of the elevator 1 to the maintenance operation. Change from mode to first restricted mode or second restricted mode. Therefore, the operation mode change unit 42 changes the operation mode from the maintenance operation mode to the first restriction mode when the operation reception unit 41 in the pit receives the detection information from the person detection sensor 21 (see FIG. 2). .. However, if the detection information is not input from the person detection sensor 21, the operation mode change unit 42 determines that there is no maintenance worker 30 in the pit and does not change the maintenance operation mode.
  • the operation mode change unit 42 is an operation in which the operation reception unit 41 in the pit releases the operation restricted by the first restriction mode made on the operation panel 20 in the pit while the maintenance operation mode is changed to the first restriction mode.
  • the mode is changed from the first restriction mode to the second restriction mode.
  • the operation mode changing unit 42 detects an operation in which the operation receiving unit 41 in the pit limits the operation by the first limiting mode performed on the operation panel 20 in the pit (for example, an OFF operation of the mode changeover switch 22).
  • the operation mode is changed from the second restricted mode to the first restricted mode.
  • the operation mode change unit 42 changes from the first restriction mode to the maintenance operation mode.
  • the operation control unit 43 controls the operation of the car 2 according to the operation mode (normal operation mode, maintenance operation mode, first restricted mode or second restricted mode) changed by the operation mode changing unit 42.
  • the maintenance operation mode control signals from the maintenance terminals 31 and 33 are input to the operation control unit 43. Therefore, the operation of the car 2 is controlled by the maintenance staff 30 operating the maintenance terminal 31 or the maintenance staff 32 operating the maintenance terminal 33.
  • the operation control unit 43 controls the operation of the car 2 according to the first restriction mode or the second restriction mode changed from the maintenance operation mode by the operation mode change unit 42. Specifically, when the operation mode is the first restriction mode, the operation control unit 43 restricts the operation of moving the car 2 to the top floor and the operation of moving the car 2 to the bottom floor. Further, the operation control unit 43 makes it possible to move the car 2 to the top floor and the bottom floor by operating the operation panel 20 in the pit in the second restriction mode. Then, the operation control unit 43 lowers or raises the car 2 in accordance with the operation of the operation panel 20 in the pit. The operation control unit 43 controls the speed at which the car 2 is lowered or raised in the second limiting mode to be even lower than the moving speed controlled in the maintenance operation mode.
  • FIG. 4 is a block diagram showing a hardware configuration example of the computer 50.
  • the computer 50 is an example of hardware used as a computer that can operate as an elevator control device 12.
  • the computer 50 includes a CPU (Central Processing Unit) 51, a ROM (Read Only Memory) 52, and a RAM (Random Access Memory) 53, which are connected to the bus 54, respectively. Further, the computer 50 includes a non-volatile storage 55 and a network interface 56.
  • CPU Central Processing Unit
  • ROM Read Only Memory
  • RAM Random Access Memory
  • the CPU 51 reads the program code of the software that realizes each function according to the present embodiment from the ROM 52, loads it into the RAM 53, and executes it. Variables and parameters generated during the arithmetic processing of the CPU 51 are temporarily written in the RAM 53, and these variables and parameters are appropriately read by the CPU 51.
  • an MPU Micro Processing Unit
  • Each function of the in-pit operation reception unit 41, the operation mode change unit 42, and the operation control unit 43 of the elevator control device 12 shown in FIG. 3 is realized by software executed by the CPU 51.
  • non-volatile storage 55 for example, HDD (Hard Disk Drive), SSD (Solid State Drive), flexible disk, optical disk, magneto-optical disk, CD-ROM, CD-R, magnetic tape, non-volatile memory and the like are used. Be done.
  • OS Operating System
  • a program for operating the computer 50 is recorded.
  • the ROM 52 and the non-volatile storage 55 permanently record programs, data, and the like necessary for the CPU 51 to operate, and are a computer-readable non-transient recording medium that stores the programs executed by the computer 50. It is used as an example.
  • operation information, failure information, and the like of the elevator 1 are recorded together with the occurrence time of each information, and can be read by the maintenance terminals 31 and 33.
  • the network interface 56 for example, a NIC (Network Interface Card) or the like is used, and various data can be transmitted and received between the devices via a LAN (Local Area Network) connected to the terminals of the NIC, a dedicated line, or the like. It is possible. Further, the network interface 56 can transmit the operation information of the elevator 1, the failure information, and the like to the monitoring center that monitors the operation of the plurality of elevators 1. When the monitoring center receives the failure information, it takes measures to direct maintenance personnel 30 and 32 to the elevator 1 provided with the elevator control device 12 that has transmitted the failure information.
  • a NIC Network Interface Card
  • LAN Local Area Network
  • FIG. 5 is a flowchart showing an example of control in maintenance and inspection of the elevator 1.
  • the elevator control device 20 realizes an elevator control method in which the functional blocks shown in FIG. 3 cooperate with each other by executing a program by a computer 50 (computer).
  • the operation reception unit 41 in the pit determines whether or not the person detection sensor 21 has detected that the maintenance worker 30 is in the pit (S1). If the detection information is not output from the person detection sensor 21, the person detection sensor 21 has not detected the maintenance worker 30 in the pit (NO in S1), so that the operation control unit 43 can be set by setting the switch box 2d.
  • the elevator 1 is operated in the normal operation mode or the maintenance operation mode (S2).
  • the operation reception unit 41 in the pit notifies the operation mode change unit 42 that the maintenance worker 30 is in the pit.
  • the operation mode changing unit 42 changes the operation mode to the first restriction mode (S3).
  • the moving speed of the car 2 is limited to a speed lower than the normal speed.
  • the operation control unit 43 restricts the operation of moving the car 2 to the top floor and the operation of moving the car 2 to the bottom floor according to the first restriction mode (S4).
  • the car 2 does not move to the top floor, so the balance weight 8 does not descend to the pit. Also, since the car 2 does not move to the lowest floor, the car 2 does not descend to the pit. In either case, it is possible to prevent the car 2 or the counterweight 8 from descending to an unintended height by the maintenance worker 30 in the pit.
  • the operation reception unit 41 in the pit determines whether or not the descent operation restriction has been lifted in the pit (S5).
  • the release of the descent operation restriction in the pit indicates that the mode changeover switch 22 of the in-pit operation panel 20 shown in FIG. 2 has been switched from "OFF" to "in-pit maintenance operation mode". It is determined whether or not the signal is input to the operation reception unit 41 in the pit. If the descent operation restriction is not released in the pit (NO in S5), the process proceeds to step S11.
  • the operation mode changing unit 42 If the descent operation restriction is released in the pit (YES in S5), the operation mode changing unit 42 is notified by the operation reception unit 41 in the pit that the descent operation restriction has been released. Therefore, the operation mode changing unit 42 changes the operation mode to the second limiting mode (S6). In the second restricted mode, the car operation from other than the pit is invalidated. Therefore, for example, a maintenance worker 32 on the first floor or a maintenance worker in the car 2 cannot operate the car 2 even if the car 2 is moved or the door 2a is opened.
  • the operation control unit 43 makes it possible to drive the car 2 downward only by operating in the pit according to the second restriction mode (S7).
  • the maintenance worker 30 in the pit pushes the downward arrow button of the elevating / lowering instruction switch 23 of the operation panel 20 in the pit shown in FIG. 2, and lowers the car 2 to an arbitrary height.
  • the in-pit operation receiving unit 41 receives the descending signal output from the ascending / descending instruction switch 23, the in-pit operation receiving unit 41 turns on the descending flag only while the descending signal is output to the operation control unit 43.
  • the operation control unit 43 gradually moves the car 2 downward while the lowering flag is turned on.
  • the maintenance worker 30 releases the down arrow button of the up / down instruction switch 23 the down signal is turned off. Therefore, the operation control unit 43 stops the movement of the car 2.
  • the maintenance worker 30 can inspect the car device 3.
  • the second restriction mode it is possible to drive the car 2 upward only by operating in the pit in order to correct the excessive movement of the car 2.
  • the maintenance worker 30 in the pit pushes the upward arrow button of the elevating / lowering instruction switch 23 of the operation panel 20 in the pit to raise the car 2 to an arbitrary height.
  • the operation reception unit 41 in the pit receives the ascending signal output from the elevating instruction switch 23, the ascending flag is turned on only while the ascending signal is output to the operation control unit 43.
  • the operation control unit 43 gradually moves the car 2 upward while the ascending flag is turned on.
  • the maintenance worker 30 releases his / her hand from the up arrow button of the elevating / lowering instruction switch 23 the ascending signal is turned off. Therefore, the operation control unit 43 stops the movement of the car 2.
  • the operation reception unit 41 in the pit determines whether or not to return the release of the descent operation restriction in the pit (S8). Returning the release of the descent operation restriction in the pit indicates that the mode changeover switch 22 of the operation panel 20 in the pit shown in FIG. 2 has been switched from the "maintenance operation mode in the pit" to "OFF". It is determined whether or not the signal is input to the operation reception unit 41 in the pit. When the operation reception unit 41 in the pit does not determine that the release of the descent operation restriction is to be returned in the pit (NO in S8), the operation reception unit 41 continuously monitors the determination in step S8 whether to return the release of the descent operation restriction. To do.
  • the operation control unit 43 restricts the operation of the car 2 to the lowest floor (YES in S8). S9).
  • the operation mode changing unit 42 changes the operation mode to the first limiting mode.
  • the operation control unit 43 controls the car 2 so that it can be moved only to the floors above the first floor. Therefore, since the car 2 does not descend to the pit, the maintenance worker 30 can safely exit the pit.
  • the operation control unit 43 enables the car operation from other than the pit (S10).
  • the operation mode change unit 42 changes the operation mode from the first restriction mode to the maintenance operation mode. Therefore, for example, a maintenance worker 32 on the first floor or a maintenance worker in the car 2 can move the car 2 and open / close the door 2a.
  • the operation control unit 43 determines whether or not there is a maintenance person in the pit (S11). For example, when the operation reception unit 41 in the pit receives that the operation has been performed through the operation panel 20 in the pit, the operation control unit 43 can determine that there is a maintenance person in the pit. When the operation control unit 43 determines that there is a maintenance person in the pit (YES in S11), the operation control unit 43 returns to step S5 and continues to determine whether or not the descent operation restriction has been released in the pit.
  • the process returns to step S1 and whether or not the person detection sensor 21 has detected that the maintenance worker 30 is in the pit. Continue to judge.
  • the operation of the car 2 is restricted when the maintenance staff 30 is in the pit.
  • the operation is restricted so that the car 2 does not move to the top floor and the bottom floor, so that the car 2 and the balance weight 8 are lowered to a height unintended by the maintenance staff 30. Driving is avoided.
  • the car operation from outside the pit is invalid.
  • the maintenance staff 30 through the operation panel 20 in the pit is effective. Therefore, the maintenance worker 30 can lower the car 2 to a safe height and inspect the car device 3.
  • the operation mode of the elevator is changed from the maintenance operation mode to the first restricted mode or the second restricted mode, so that the safety of the maintenance staff in the pit is improved. Work efficiency can be improved while ensuring.
  • the elevator operation mode is changed from the maintenance operation mode to the first restriction mode through the operation of the operation panel 20 in the pit, and then the car 2 can be operated in the second restriction mode. It became.
  • a communication connection unit connected to the elevator control device 12 may be provided in the pit.
  • the maintenance worker 30 in the pit is instructed to change the operation mode from the maintenance operation mode to the first restriction mode through the maintenance terminal 31 by connecting the maintenance terminal 31 to the communication connection unit provided in the pit. After that, the car 2 may be able to be operated in the second restricted mode.
  • the operation mode changing unit 42 when the operation mode is the first limiting mode or the second limiting mode, the operation receiving unit 41 in the pit does not receive the detection information from the person detection sensor 21 for a predetermined time or longer. In this case, the operation mode is changed from the first restricted mode or the second restricted mode to the maintenance operation mode. By changing to the maintenance operation mode, the maintenance person 32 on the floor can operate the car 2.
  • the operation control unit 43 notifies the maintenance terminals 31 and 32 that the mode changeover switch 22 has forgotten to be returned. An alarm may be issued.
  • the present invention is not limited to the above-described embodiment, and it goes without saying that various other application examples and modifications can be taken as long as the gist of the present invention described in the claims is not deviated.
  • the above-described embodiment describes the structure of the elevator in detail and concretely in order to explain the present invention in an easy-to-understand manner, and is not necessarily limited to the one including all the described configurations.
  • the control lines and information lines indicate those that are considered necessary for explanation, and do not necessarily indicate all the control lines and information lines in the product. In practice, it can be considered that almost all configurations are interconnected.
  • Elevator 1 ... Elevator, 3 ... Car drive device, 7 ... Hoisting machine, 10 ... Hoistway, 12 ... Elevator control device, 20 ... Pit operation panel, 21 ... Person detection sensor, 22 ... Mode changeover switch, 23 ... Lifting instruction Switch, 31 ... Maintenance terminal, 41 ... Pit operation reception unit, 42 ... Operation mode change unit, 43 ... Operation control unit

Landscapes

  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Maintenance And Inspection Apparatuses For Elevators (AREA)
  • Elevator Control (AREA)
PCT/JP2020/037740 2019-11-05 2020-10-05 エレベーター制御装置、エレベーター制御方法及びエレベーターシステム WO2021090623A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202080072289.1A CN114555505B (zh) 2019-11-05 2020-10-05 电梯控制装置、电梯控制方法以及电梯***
JP2021554848A JP7308967B2 (ja) 2019-11-05 2020-10-05 エレベーター制御装置、エレベーター制御方法及びエレベーターシステム

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019200511 2019-11-05
JP2019-200511 2019-11-05

Publications (1)

Publication Number Publication Date
WO2021090623A1 true WO2021090623A1 (ja) 2021-05-14

Family

ID=75849878

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2020/037740 WO2021090623A1 (ja) 2019-11-05 2020-10-05 エレベーター制御装置、エレベーター制御方法及びエレベーターシステム

Country Status (3)

Country Link
JP (1) JP7308967B2 (zh)
CN (1) CN114555505B (zh)
WO (1) WO2021090623A1 (zh)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11162662A (ja) * 1997-11-27 1999-06-18 Mitsubishi Electric Building Techno Service Co Ltd エレベータのピット内作業灯装置
JP2006044844A (ja) * 2004-08-02 2006-02-16 Mitsubishi Electric Building Techno Service Co Ltd エレベーターの運転制御装置
JP2009511383A (ja) * 2005-10-05 2009-03-19 オーチス エレベータ カンパニー 昇降路立入り検知に応答するエレベータ装置の制御
JP2012041116A (ja) * 2010-08-17 2012-03-01 Toshiba Elevator Co Ltd エレベータの点検システム
JP3176548U (ja) * 2011-12-21 2012-06-28 オーチス エレベータ カンパニー エレベータの安全装置
JP2013216425A (ja) * 2012-04-06 2013-10-24 Toshiba Elevator Co Ltd エレベータ制御システム
JP2013216411A (ja) * 2012-04-06 2013-10-24 Hitachi Ltd 運転切替システム付きエレベータ
JP2013220895A (ja) * 2012-04-17 2013-10-28 Toshiba Elevator Co Ltd エレベータの運転制御システム
JP2019085220A (ja) * 2017-11-06 2019-06-06 株式会社日立ビルシステム エレベーター
JP2019131334A (ja) * 2018-01-30 2019-08-08 東芝エレベータ株式会社 エレベータの点検システム

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11162662A (ja) * 1997-11-27 1999-06-18 Mitsubishi Electric Building Techno Service Co Ltd エレベータのピット内作業灯装置
JP2006044844A (ja) * 2004-08-02 2006-02-16 Mitsubishi Electric Building Techno Service Co Ltd エレベーターの運転制御装置
JP2009511383A (ja) * 2005-10-05 2009-03-19 オーチス エレベータ カンパニー 昇降路立入り検知に応答するエレベータ装置の制御
JP2012041116A (ja) * 2010-08-17 2012-03-01 Toshiba Elevator Co Ltd エレベータの点検システム
JP3176548U (ja) * 2011-12-21 2012-06-28 オーチス エレベータ カンパニー エレベータの安全装置
JP2013216425A (ja) * 2012-04-06 2013-10-24 Toshiba Elevator Co Ltd エレベータ制御システム
JP2013216411A (ja) * 2012-04-06 2013-10-24 Hitachi Ltd 運転切替システム付きエレベータ
JP2013220895A (ja) * 2012-04-17 2013-10-28 Toshiba Elevator Co Ltd エレベータの運転制御システム
JP2019085220A (ja) * 2017-11-06 2019-06-06 株式会社日立ビルシステム エレベーター
JP2019131334A (ja) * 2018-01-30 2019-08-08 東芝エレベータ株式会社 エレベータの点検システム

Also Published As

Publication number Publication date
JPWO2021090623A1 (zh) 2021-05-14
CN114555505B (zh) 2023-08-01
JP7308967B2 (ja) 2023-07-14
CN114555505A (zh) 2022-05-27

Similar Documents

Publication Publication Date Title
JPWO2008062500A1 (ja) エレベータ装置
EP1867594B1 (en) Elevator system and operation control method thereof
JP2006199404A (ja) エレベータの終端安全装置
JP7360569B2 (ja) エレベーター制御システム及びエレベーター制御方法
JP2006044844A (ja) エレベーターの運転制御装置
JP6313492B1 (ja) エレベータ保守作業支援システム
JP7257934B2 (ja) エレベーター制御装置、エレベーターシステム、及びエレベーター制御方法
JP7138773B2 (ja) エレベーターシステム
WO2021090623A1 (ja) エレベーター制御装置、エレベーター制御方法及びエレベーターシステム
CN211056432U (zh) 一种家用电梯
KR102512225B1 (ko) 엘리베이터의 이용자 갇힘을 회피시키는 감시 장치
JP3412401B2 (ja) エレベーターの非常時運転装置
JP6776457B2 (ja) エレベーター制御装置、エレベーター、およびエレベーター制御方法
EP3587324A1 (en) Elevator system
WO2011104816A1 (ja) エレベータの制御装置
JP7147900B1 (ja) エレベータ
JP4939698B2 (ja) エレベータのロープ伸び検出装置および安全運転方法
JP3152001B2 (ja) エレベーター装置
JP2018008760A (ja) エレベーター
JP7369668B2 (ja) エレベータ制御装置、および、エレベータ制御方法
JP2000318948A (ja) エレベーター装置
KR100645666B1 (ko) 엘리베이터 장치
JP6537539B2 (ja) エレベーターの制御装置および制御方法
JP6251368B1 (ja) エレベータ保守作業支援システム
JP2001002340A (ja) エレベータのブレーキ解放装置

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 20885357

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2021554848

Country of ref document: JP

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 20885357

Country of ref document: EP

Kind code of ref document: A1