WO2018070006A1 - エレベータ制御回路 - Google Patents

エレベータ制御回路 Download PDF

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Publication number
WO2018070006A1
WO2018070006A1 PCT/JP2016/080318 JP2016080318W WO2018070006A1 WO 2018070006 A1 WO2018070006 A1 WO 2018070006A1 JP 2016080318 W JP2016080318 W JP 2016080318W WO 2018070006 A1 WO2018070006 A1 WO 2018070006A1
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WO
WIPO (PCT)
Prior art keywords
door
relay
car
energized
zone
Prior art date
Application number
PCT/JP2016/080318
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
純子 岡
久保田　猛彦
Original Assignee
三菱電機株式会社
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 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to JP2018544633A priority Critical patent/JP6584686B2/ja
Priority to CN201680089887.3A priority patent/CN109789992B/zh
Priority to PCT/JP2016/080318 priority patent/WO2018070006A1/ja
Publication of WO2018070006A1 publication Critical patent/WO2018070006A1/ja

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    • 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
    • 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
    • B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions

Definitions

  • This invention relates to an elevator control circuit for detecting that a car has traveled with at least one of a car door and a landing door open.
  • an elevator system provided with a door-opening travel protection device that determines that the car has been opened abnormally and stops the car when the car door and the landing door are in an open state and the car leaves the door zone.
  • a car door switch that detects the open state of the door
  • a landing door switch that detects the open state of the landing door
  • an encoder that detects the speed and movement amount of the car
  • a car position sensor that detects the floor reference position of each floor
  • an elevator system including a safety controller that determines a door opening abnormality based on an abnormality determination threshold value of a car speed set with respect to a car position based on detection results of an encoder and a car position sensor. (For example, refer to Patent Document 1).
  • the elevator system described in Patent Document 1 uses a safety controller that performs advanced processing by software by combining information from a plurality of sensors and switches, so that the failure mode of the device becomes complicated. is there.
  • the present invention has been made to solve the above-described problems, and can reliably detect that the car has traveled with few failure modes and at least one of the car door and the landing door opened. It is an object to obtain an elevator control circuit that can be used.
  • An elevator control circuit is an elevator control circuit that detects that a car has traveled with at least one of a car door and a landing door open, and the car is located in an upper door zone including a landing position of the car.
  • a first door zone relay that is energized when the car is in the vehicle
  • a second door zone relay that is energized when the car is in the lower door zone including the landing position of the car
  • the first door zone relay and the second door
  • a third door zone relay that is energized when the zone relay is de-energized, a car door relay that is energized when the car door is closed, and a landing door that is all closed
  • a door closing relay having a landing door relay that is excited and a door check relay that is excited when the car door relay and the landing door relay are de-energized.
  • At least one of the first door zone relay and the second door zone relay is de-energized, or the third door zone relay is energized, and at least one of the car door relay and the landing door relay is de-energized.
  • a door open travel detection relay that is de-energized when the door check relay is energized, and at least one of the car door and the landing door when the door open travel detection relay is de-energized
  • a door-open travel detection circuit that detects that the car has traveled with the door open.
  • the door opening travel detection circuit is configured such that at least one of the first door zone relay and the second door zone relay of the door zone check circuit is de-energized, or the third door zone relay.
  • the door open travel detection relay is de-energized, it is detected that the car has traveled with at least one of the car door and the landing door open. Therefore, there are few failure modes, and it can be reliably detected that the car has traveled with at least one of the car door and the landing door open.
  • FIG. 3 is a relay circuit diagram showing a door open travel detection relay ON failure check circuit of the elevator control circuit according to the first embodiment of the present invention.
  • the door closing check circuit of the elevator control circuit according to Embodiment 1 of the present invention is a sequence diagram showing an operation when an ON failure occurs in the door opening / closing detection relay 41D.
  • the door closing check circuit of the elevator control circuit concerning Embodiment 1 of this invention is a sequence diagram which shows operation
  • the door closing check circuit of the elevator control circuit according to Embodiment 1 of the present invention it is a sequence diagram showing an operation when an OFF failure occurs in the door opening / closing detection relay 41G.
  • the door closing check circuit of the elevator control circuit according to Embodiment 1 of the present invention is a sequence diagram showing an operation when an OFF failure occurs in the door opening / closing detection relay 41D.
  • the door closing check circuit of the elevator control circuit concerning Embodiment 1 of this invention is a sequence diagram which shows operation
  • the door closing check circuit of the elevator control circuit which concerns on Embodiment 1 of this invention it is a sequence diagram which shows operation
  • the fact that the car has traveled with at least one of the car door and the landing door being open means that at least one of the car door and the landing door is open, and that the car is in an abnormal condition. Indicates that the car has left the landing position or that at least one of the car door and the landing door has been opened due to some abnormality while the car is running.
  • FIG. 1 is a functional block diagram schematically showing an elevator control circuit according to Embodiment 1 of the present invention.
  • an elevator control circuit 100 includes a door zone check circuit 10, a door close check circuit 20, a door open travel detection circuit 30, a door open travel detection relay ON failure check circuit 40, an elevator drive circuit 50, and a rope brake operation circuit 60. It has.
  • the door zone check circuit 10 detects whether the car includes the landing position of the car and is in a door zone where the car door and the landing door can be opened, whether the car is out of the door zone, or a component has failed. To do.
  • the door closing check circuit 20 detects whether the car door and the landing door are closed, or at least one of the car door and the landing door is open, or whether a component device has failed.
  • the door open travel detection circuit 30 detects whether the car has traveled with at least one of the car door and the landing door open based on the detection results in the door zone check circuit 10 and the door close check circuit 20. Further, when it is detected that the car has traveled with at least one of the car door and the landing door being open, the door-open travel detection circuit 30 operates the elevator rope brake to stop the car.
  • the door-opening travel detection circuit 30 detects that the car is outside the door zone or that a component device has failed by the door zone check circuit 10 and the door-close check circuit 20 detects the car door and the landing door. When it is detected that at least one of the doors is open or a component device has failed, it is detected that the car has traveled with at least one of the car door and the landing door open.
  • the rope brakes hold the main rope in an emergency and suppress the movement of the car.
  • the car door and the landing door are open, and the car is opened due to some abnormality.
  • the purpose is to prevent a passenger from being caught by operating a rope brake when the vehicle is away from the door zone.
  • the door open travel detection relay ON failure check circuit 40 is provided in the door open travel detection circuit 30 and detects door open travel that is de-energized when the car travels with at least one of the car door and the landing door open. It is detected whether the relay has an ON failure.
  • the elevator drive circuit 50 supplies electric power for driving the motor to the hoist motor and also supplies electric power for releasing the brake to the hoist brake when raising and lowering the car. Moreover, the elevator drive circuit 50 interrupts
  • the elevator drive circuit 50 detects whether or not a rope brake start relay, which will be described later, has failed, and does not supply power to the hoisting machine motor and the hoisting machine brake when an on-failure is detected.
  • the rope brake operation circuit 60 supplies electric power for brake release to the rope brake when the door-open travel detection relay is energized.
  • the rope brake operation circuit 60 cuts off the power supply to the rope brake when the door-open travel detection relay is de-energized.
  • the elevator control circuit 100 is composed of a hardware circuit mainly composed of relays and contacts. Hereinafter, a detailed configuration of each circuit of the elevator control circuit 100 will be described.
  • FIG. 2 is a relay circuit diagram showing a door zone check circuit of the elevator control circuit according to Embodiment 1 of the present invention.
  • the door zone check circuit 10 includes door zone sensors DZU, DZD, door zone detection relays DZA, DZB, DZC, a contact point DZAa, DZBa, DZCa of the door zone detection relay, and b contact points DZAb, DZBb of the door zone detection relay.
  • the door zone check circuit 10 includes door zone sensors DZU, DZD, door zone detection relays DZA, DZB, DZC, a contact point DZAa, DZBa, DZCa of the door zone detection relay, and b contact points DZAb, DZBb of the door zone detection relay.
  • the door zone sensor DZU is turned on when the car is inside the upper door zone including the landing position of the car, and is turned off when the car is outside the upper door zone.
  • the door zone sensor DZD is turned on when the car is in the lower door zone including the landing position of the car, and is turned off when the car is outside the lower door zone.
  • FIG. 3 is an explanatory view showing a door zone of the elevator control circuit according to Embodiment 1 of the present invention.
  • a plate corresponding to the upper door zone and a plate corresponding to the lower door zone are vertically shifted in a hoistway (not shown).
  • an overlapping portion between the upper door zone and the lower door zone is a door zone that can open the car door and the landing door.
  • FIG. 4 is a relay circuit diagram showing a door closing check circuit of the elevator control circuit according to Embodiment 1 of the present invention.
  • the door closing check circuit 20 includes a car door switch GS, a landing door switch DS-T, DS-N, DS-B, door open / close detection relays 41G and 41D, DCK, and a contact 41Ga of the door open / close detection relay. 41Da, DCKa, and door contact detection relay contacts 41Gb, 41Db.
  • the car door switch GS is turned on when the car door is closed and turned off when the car door is open.
  • the landing door switches DS-T, DS-N, and DS-B are turned on when the landing door is closed, and are turned off when the landing door is open.
  • FIG. 4 although three landing door switches are shown, this is schematically shown, and the landing door switches are installed on each floor. Further, the car door switch GS and the landing door switches DS-T, DS-N, and DS-B are switches with a forced opening mechanism, and it is not necessary to assume that an ON failure occurs.
  • FIG. 5 is a relay circuit diagram showing a door-open running detection circuit of the elevator control circuit according to Embodiment 1 of the present invention.
  • the door-open travel detection circuit 30 includes door-open travel detection relays GTS, GTSX, a-contact GTSA, GTSXa of the door-open travel detection relay, a-contact PFa of the rope brake start relay PF, a-contact DZAa of the door zone detection relay. , DZBa, door zone detection relay b contact DZCb, door open / close detection relay a contact 41Ga, 41Da, and door open / close detection relay b contact DCKb.
  • FIG. 6 is a relay circuit diagram showing a door-open running detection relay ON failure check circuit of the elevator control circuit according to Embodiment 1 of the present invention.
  • the door open travel detection relay ON failure check circuit 40 includes a rope brake start relay PF, an a contact PFa of the rope brake start relay PF, b contacts GTSb and GTSXb of the door open travel detection relay, and a transistor DPF. ing.
  • FIG. 7 is a relay circuit diagram showing the elevator drive circuit of the elevator control circuit according to Embodiment 1 of the present invention.
  • the elevator drive circuit 50 includes a hoisting machine motor drive contactor 5, a hoisting machine brake releasing contactor LB, an a contact 5a of the hoisting machine motor driving contactor 5, a b contact PFb of the rope brake starting relay PF, and a transistor D5. And a transistor DLB.
  • FIG. 8 is a relay circuit diagram showing a rope brake operating circuit of the elevator control circuit according to Embodiment 1 of the present invention.
  • the rope brake operation circuit 60 includes a rope brake release relay S and a-contacts GTSa and GTSXa of door open travel detection relays.
  • the door zone detection relay DZB (second door zone relay) in the second stage in the figure is excited, and the a contact DZBa is closed.
  • the b contacts DZAb and DZBb are opened, so that the door zone detection relay DZC is de-energized and the a contact DZCa is opened.
  • the door zone detection relay DZB is de-energized and the a contact DZBa is opened.
  • the door zone detection relay DZA is de-energized and the a-contact DZAa is opened.
  • the door zone detection relay DZC is excited and the a contact DZCa is closed. Thereafter, when the car rises and the door zone sensors DZU and DZD are turned on again, the door zone detection relays DZA and DZB are excited as described above, and the a contacts DZAa and DZBa are closed. Even when the car descends, the door zone check circuit 10 operates in the same manner.
  • the door zone detection relay a contacts DZAa and DZBa and the door zone detection relay b contact DZCb are all closed. It is in the state. Also, the car is usually in the door zone when the elevator is turned on.
  • the door opening / closing detection relay DCK door check relay
  • the door opening / closing detection relay 41G the car door relay
  • the a contact 41Ga is closed.
  • the door opening / closing detection relay 41D (a landing door relay) in the second stage in the figure is excited and the a contact 41Da is closed.
  • the b contacts 41Gb and 41Db are opened, so that the door open / close detection relay DCK is de-energized and the a contact DCKa is opened.
  • the door open / close detection relay 41D is de-energized and the a contact 41Da is opened.
  • the door open / close detection relay 41G is de-energized and the a contact 41Ga is opened.
  • the door opening / closing detection relay DCK is excited and the a contact DCKa is closed.
  • the door open / close detection relays 41G and 41D are excited as described above.
  • the a contacts 41Ga and 41Da are closed.
  • the rope brake start command is a command to turn on the transistor DPF only once for an arbitrarily preset time when the elevator is turned on. Therefore, once the rope brake start relay PF is excited, the transistor DPF is turned OFF, whereby the rope brake start relay PF is de-energized and the a-contact PFa is opened.
  • the b-contact PFb is opened, so that the hoisting machine motor drive contactor 5 is not excited and the hoisting machine motor is not driven. Further, when the hoisting machine motor drive contactor 5 is not excited, the contact a 5a is not closed, so that the hoisting machine brake releasing contactor LB is not excited and the hoisting machine brake is not released.
  • the door open travel detection relays GTS and GTSX are excited, and the a contacts GTSa and GTSXa are closed. Even after the rope brake start relay PF is de-energized, the door opening travel detection circuit 30 is held because the a contacts GTSa and GTSXa are closed.
  • At least one of the a contact DZAa, DZBa, and the b contact DZCb is opened when the car is out of the door zone or because the constituent device of the door zone check circuit 10 has failed. Further, at least one of the a-contact 41Ga, 41Da, and the b-contact DCKb is opened due to at least one of the car door and the landing door being open, or the door-closing check circuit 20 constituting device having failed.
  • the door closing check circuit 20 even when the car runs while the components of the door closing check circuit 20 are out of order and are out of the door zone, at least one of the a contact DZAa, DZBa, and the b contact DZCb is opened, and the a contact 41Ga, 41Da, Since at least one of the b-contact DCKb and the b-contact DCKb is opened, the door-open running detection relays GTS and GTSX are not excited. The failure state of the constituent devices of the door closing check circuit 20 will be described later.
  • the rope brake start command is a command to turn on the transistor DPF only once, so that the rope brake start relay PF shown in FIG. 6 is energized again as long as the elevator power supply continues. It will never be done. Therefore, the a contact PFa is not closed again, and the state where the a contacts GTSa and GTSXa are opened is maintained.
  • At least one of the a contacts DZAa, DZBa, and b contact DZCb shown in FIG. 5 is opened, and at least one of the a contacts 41Ga, 41Da, and b contact DCKb is opened, the a contacts GTSa, GTSXa are opened. If this happens, the rope brake release relay S is de-energized, the rope brake is activated, and the car is stopped.
  • FIG. 11 is a sequence diagram showing an operation when an ON failure occurs in the door zone sensor DZU in the door zone check circuit of the elevator control circuit according to the first embodiment of the present invention. 2 and 11, when an ON failure occurs in the door zone sensor DZU, the a contact DZAa remains closed and the a contact DZBa cannot be closed. That is, the a contact DZBa shown in FIG. 5 is opened.
  • FIG. 12 is a sequence diagram showing an operation when an ON failure occurs in the door zone sensor DZD in the door zone check circuit of the elevator control circuit according to the first embodiment of the present invention. 2 and 12, when an ON failure occurs in the door zone sensor DZD, the a contact DZAa remains closed and the a contact DZAa cannot be closed. That is, the a contact DZAa shown in FIG. 5 is opened.
  • FIG. 13 is a sequence diagram showing an operation when an ON failure occurs in the door zone detection relay DZA in the door zone check circuit of the elevator control circuit according to the first embodiment of the present invention. 2 and 13, when an ON failure occurs in the door zone detection relay DZA, the a contact DZAa remains closed and the a contact DZBa cannot be closed. That is, the a contact DZBa shown in FIG. 5 is opened.
  • FIG. 14 is a sequence diagram showing an operation when an ON failure occurs in the door zone detection relay DZB in the door zone check circuit of the elevator control circuit according to the first embodiment of the present invention. 2 and 14, when an ON failure occurs in the door zone detection relay DZB, the a contact DZBa remains closed and the a contact DZAa cannot be closed. That is, the a contact DZAa shown in FIG. 5 is opened.
  • FIG. 15 is a sequence diagram showing an operation when an ON failure occurs in the door zone detection relay DZC in the door zone check circuit of the elevator control circuit according to the first embodiment of the present invention. 2 and 15, when an ON failure occurs in the door zone detection relay DZC, the a contact DZCa cannot be opened. That is, the b contact DZCb shown in FIG. 5 is in an open state.
  • FIG. 16 is a sequence diagram showing an operation when an OFF failure occurs in the door zone sensor DZU in the door zone check circuit of the elevator control circuit according to the first embodiment of the present invention. 2 and 16, when an OFF failure occurs in the door zone sensor DZU, the a contacts DZAa and DZBa cannot be closed. That is, the a contacts DZAa and DZBa shown in FIG. 5 are opened.
  • FIG. 17 is a sequence diagram showing an operation when an OFF failure occurs in the door zone sensor DZD in the door zone check circuit of the elevator control circuit according to the first embodiment of the present invention. 2 and 17, when an OFF failure occurs in the door zone sensor DZD, the a contact DZBa cannot be closed. That is, the a contact DZBa shown in FIG. 5 is opened.
  • FIG. 18 is a sequence diagram showing an operation when an OFF failure occurs in the door zone detection relay DZA in the door zone check circuit of the elevator control circuit according to the first embodiment of the present invention. 2 and 18, when an OFF failure occurs in the door zone detection relay DZA, the a contacts DZAa and DZBa cannot be closed. That is, the a contacts DZAa and DZBa shown in FIG. 5 are opened.
  • FIG. 19 is a sequence diagram showing an operation when an OFF failure occurs in the door zone detection relay DZB in the door zone check circuit of the elevator control circuit according to the first embodiment of the present invention. 2 and 19, when an OFF failure occurs in the door zone detection relay DZB, the contact a DZBa cannot be closed. That is, the a contact DZBa shown in FIG. 5 is opened.
  • FIG. 20 is a sequence diagram showing an operation when an OFF failure occurs in the door zone detection relay DZC in the door zone check circuit of the elevator control circuit according to the first embodiment of the present invention. 2 and 20, when an OFF failure occurs in the door zone detection relay DZC, the a contacts DZAa and DZBa cannot be closed. That is, the a contacts DZAa and DZBa shown in FIG. 5 are opened.
  • the car door switch GS and the landing door switch DS are each a switch with a forced separation mechanism, and it is not necessary to assume that an ON failure occurs.
  • FIG. 21 is a sequence diagram showing an operation when an OFF failure occurs in the car door switch GS in the door closing check circuit of the elevator control circuit according to the first embodiment of the present invention. 4 and 21, when an OFF failure occurs in the car door switch GS, the a contacts 41Ga and 41Da are not closed. That is, the a contacts 41Ga and 41Da shown in FIG. 5 are opened.
  • FIG. 22 is a sequence diagram showing an operation when an OFF failure occurs in the landing door switch DS in the door closing check circuit of the elevator control circuit according to the first embodiment of the present invention. 4 and 22, when an OFF failure occurs in the landing door switch DS, the contact a 41Da cannot be closed. That is, the a contact 41Da shown in FIG. 5 is opened.
  • FIG. 23 is a sequence diagram showing an operation when an ON failure occurs in the door opening / closing detection relay 41G in the door closing check circuit of the elevator control circuit according to Embodiment 1 of the present invention. 4 and 23, when an ON failure occurs in the door open / close detection relay 41G, the a contact 41Ga remains closed and the a contact 41Da cannot be closed. That is, the a contact 41Da shown in FIG. 5 is opened.
  • FIG. 24 is a sequence diagram showing an operation when an ON failure occurs in the door opening / closing detection relay 41D in the door closing check circuit of the elevator control circuit according to Embodiment 1 of the present invention. 4 and 24, when an ON failure occurs in the door opening / closing detection relay 41D, the a contact 41Da remains closed and the a contact 41Ga cannot be closed. That is, the a contact 41Ga shown in FIG. 5 is opened.
  • FIG. 25 is a sequence diagram showing an operation when an ON failure occurs in the door opening / closing detection relay DCK in the door closing check circuit of the elevator control circuit according to the first embodiment of the present invention. 4 and 25, when an ON failure occurs in the door open / close detection relay DCK, the a contact DCKa cannot be opened. That is, the b contact DZKb shown in FIG. 5 is in an open state.
  • FIG. 26 is a sequence diagram showing an operation when an OFF failure occurs in the door opening / closing detection relay 41G in the door closing check circuit of the elevator control circuit according to Embodiment 1 of the present invention. 4 and 26, when an OFF failure occurs in the door opening / closing detection relay 41G, the a contacts 41Ga and 41Da are not closed. That is, the a contacts 41Ga and 41Da shown in FIG. 5 are opened.
  • FIG. 27 is a sequence diagram showing an operation when an OFF failure occurs in the door opening / closing detection relay 41D in the door closing check circuit of the elevator control circuit according to Embodiment 1 of the present invention. 4 and 27, when an OFF failure occurs in the door opening / closing detection relay 41D, the a contact 41Da is not closed. That is, the a contact 41Da shown in FIG. 5 is opened.
  • FIG. 28 is a sequence diagram showing an operation when an OFF failure occurs in the door opening / closing detection relay DCK in the door closing check circuit of the elevator control circuit according to Embodiment 1 of the present invention. 4 and 28, when an OFF failure occurs in the door opening / closing detection relay DCK, the a contacts 41Ga and 41Da are not closed. That is, the a contacts 41Ga and 41Da shown in FIG. 5 are opened.
  • the door-open travel detection circuit is configured such that at least one of the first door zone relay and the second door zone relay of the door zone check circuit is not excited, or the third door When the zone relay is energized and at least one of the car door relay and the landing door relay of the door closing check circuit is de-energized, or the door open travel detection relay that is de-energized when the door check relay is energized And when the door-open travel detection relay is de-energized, it detects that the car has traveled with at least one of the car door and the landing door open.
  • each of the door zone check circuit, the door closing check circuit, and the door opening traveling detection circuit with a relay circuit, the failure mode can be reduced as compared with a controller that performs processing by software. Therefore, there are few failure modes, and it can be reliably detected that the car has traveled in a state where at least one of the car door and the landing door is open.
  • the door opening / closing detection relay 41D is de-energized and the a contact 41Da is opened.
  • the b contacts 41Gb and 41Db are closed, the door open / close detection relay DCK is excited and the a contact DCKa is closed.
  • the door closing check circuit 20 shown in the first embodiment when the car is running, the landing door is opened due to some abnormality, and the door opening is detected and the rope brake is activated. Even if the rope brake start relay PF is energized after closing and confirming safety, the normal operation cannot be restored.
  • the operation when the landing door is opened and then closed in the door closing check circuit 20 will be described with reference to the sequence diagram of FIG. 30 together with FIG. 4 and 30, after the a contacts 41Ga and 41Da are closed, the landing door is opened, and when any of the landing door switches DS-T, DS-N, DS-B is turned off, the door open / close detection relay 41D Is de-energized and the a contact 41Da is opened.
  • FIG. 4 and FIG. 30 when the landing door is opened due to some abnormality while the car is running and the door brake is detected and the rope brake is activated, even if the landing door is subsequently closed, FIG.
  • the a-contacts 41Ga and 41Da of the door opening / closing detection relay shown and the b-contact DCKb of the door opening / closing detection relay do not all return to the closed state. It cannot be restored to normal operation.
  • the car door switch GS the landing door switches DS-T, DS-N, DS-B, the door open / close detection relays 41G, 41D, and the door open / close detection relay a
  • the car door switch GS the landing door switches DS-T, DS-N, DS-B, the door open / close detection relays 41G, 41D, and the door open / close detection relay a

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  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Maintenance And Inspection Apparatuses For Elevators (AREA)
  • Elevator Control (AREA)
PCT/JP2016/080318 2016-10-13 2016-10-13 エレベータ制御回路 WO2018070006A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2018544633A JP6584686B2 (ja) 2016-10-13 2016-10-13 エレベータ制御回路
CN201680089887.3A CN109789992B (zh) 2016-10-13 2016-10-13 电梯控制电路
PCT/JP2016/080318 WO2018070006A1 (ja) 2016-10-13 2016-10-13 エレベータ制御回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2016/080318 WO2018070006A1 (ja) 2016-10-13 2016-10-13 エレベータ制御回路

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CN (1) CN109789992B (zh)
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109502444A (zh) * 2019-01-03 2019-03-22 日立楼宇技术（广州）有限公司 一种电梯关门异常的检测系统、检测方法和电梯
WO2019224938A1 (ja) * 2018-05-23 2019-11-28 三菱電機株式会社 エレベーターのドアシステム
JP7361872B1 (ja) 2022-11-17 2023-10-16 三菱電機ビルソリューションズ株式会社 エレベータ遠隔点検システムおよびエレベータ遠隔点検方法
JP7361873B1 (ja) 2022-11-17 2023-10-16 三菱電機ビルソリューションズ株式会社 エレベータ遠隔点検システムおよびエレベータ遠隔点検方法
WO2024106044A1 (ja) * 2022-11-17 2024-05-23 三菱電機ビルソリューションズ株式会社 エレベータ遠隔点検システムおよびエレベータ遠隔点検方法

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JP7361872B1 (ja) 2022-11-17 2023-10-16 三菱電機ビルソリューションズ株式会社 エレベータ遠隔点検システムおよびエレベータ遠隔点検方法
JP7361873B1 (ja) 2022-11-17 2023-10-16 三菱電機ビルソリューションズ株式会社 エレベータ遠隔点検システムおよびエレベータ遠隔点検方法
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