WO2022224453A1 - エレベーターシステム - Google Patents
エレベーターシステム Download PDFInfo
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- WO2022224453A1 WO2022224453A1 PCT/JP2021/016500 JP2021016500W WO2022224453A1 WO 2022224453 A1 WO2022224453 A1 WO 2022224453A1 JP 2021016500 W JP2021016500 W JP 2021016500W WO 2022224453 A1 WO2022224453 A1 WO 2022224453A1
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- signal
- acceleration
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- 230000001133 acceleration Effects 0.000 claims abstract description 57
- 238000012806 monitoring device Methods 0.000 claims description 26
- 238000004891 communication Methods 0.000 claims description 21
- 230000004044 response Effects 0.000 claims description 5
- 238000003745 diagnosis Methods 0.000 abstract description 6
- 230000005856 abnormality Effects 0.000 description 16
- 230000006870 function Effects 0.000 description 15
- 230000015654 memory Effects 0.000 description 12
- 238000012545 processing Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 7
- 238000001514 detection method Methods 0.000 description 6
- 238000012790 confirmation Methods 0.000 description 5
- 230000008520 organization Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
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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
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/021—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions the abnormal operating conditions being independent of the system
- B66B5/022—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions the abnormal operating conditions being independent of the system where the abnormal operating condition is caused by a natural event, e.g. earthquake
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- 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
- B66B1/3446—Data transmission or communication within the control system
-
- 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
- B66B5/0006—Monitoring devices or performance analysers
- B66B5/0018—Devices monitoring the operating condition of the elevator system
-
- 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 disclosure relates to an elevator system.
- Patent Document 1 describes an elevator system.
- the system described in US Pat. No. 6,200,004 comprises a seismic sensor. If the maximum acceleration output by the seismic detector is below the general reference value, diagnostic operation is performed. Even if the maximum acceleration output by the seismic detector exceeds the general standard value, if the numerical value based on the acceleration satisfies the individual standard, diagnostic operation is performed.
- the present disclosure was made to solve the problems described above. SUMMARY OF THE INVENTION It is an object of the present disclosure to provide an elevator system that is capable of diagnostic operation even when an acceleration greater than a specific reference value is detected and that is easy to deploy.
- An elevator system is provided in a building in which a car moving in a hoistway and a hoistway is formed, outputs a first signal when acceleration greater than a first reference value is detected, and is greater than a second reference value.
- a seismic sensor that outputs a second signal when a large acceleration is detected, an acceleration sensor that detects acceleration, and when the first signal is output without outputting the second signal from the seismic sensor, diagnostic operation after an earthquake a first determination means for determining whether or not the acceleration detected by the acceleration sensor is equal to or less than the determination reference value when the second signal is output from the earthquake detector; and an area where the building exists and a second determination means for determining whether or not the seismic intensity indicated by the seismic intensity information acquired by the acquiring means is equal to or less than the standard seismic intensity.
- the second reference value is greater than the first reference value.
- the criterion value is greater than the second criterion value.
- the first determination means determines that the acceleration detected by the acceleration sensor is equal to or less than the determination reference value, and the second determination means determines that the seismic intensity indicated by the seismic intensity information acquired by the acquisition means is equal to or less than the standard seismic intensity.
- diagnostic operation can be performed even when acceleration greater than a specific reference value is detected. Also, the system is easy to deploy.
- FIG. 1 is a diagram showing an example of an elevator system according to Embodiment 1.
- FIG. 2 is a diagram for explaining functions of the elevator system.
- the elevator system comprises an elevator device 1 installed in a specific building.
- a hoistway 2 is formed in the building.
- the elevator device 1 has a car 3 and a counterweight 4 .
- the car 3 moves up and down the hoistway 2 .
- a counterweight 4 moves up and down the hoistway 2 .
- Car 3 and counterweight 4 are suspended in hoistway 2 by ropes 5 .
- FIG. 1 shows a 2:1 roping elevator system 1 as a preferred example.
- the hoisting machine 6 and the control device 7 are provided at the top of the hoistway 2 .
- the hoist 6 and the control device 7 may be provided in the pit of the hoistway 2 . If there is a machine room above the hoistway 2, the hoist 6 and the control device 7 may be provided in the machine room.
- the monitoring device 8 is connected to the control device 7. In the example shown in FIG. 1 , the monitoring device 8 is provided at the top of the hoistway 2 . The monitoring device 8 may be provided in the pit of the hoistway 2 or in the machine room. Monitoring device 8 communicates with external devices via network 9 .
- the server 10 is included in the external device. As an example, the server 10 is provided at a remote information center that manages the elevator system 1 .
- FIG. 1 shows an example in which a seismic sensor 11 is provided in a pit of a hoistway 2 .
- a seismic sensor 11 is connected to the monitoring device 8 .
- the seismic sensor 11 may be connected to the controller 7 .
- the earthquake sensor 11 detects the acceleration of the building.
- the seismic sensor 11 outputs a signal s1 to the monitoring device 8 when it detects an acceleration greater than a specific first reference value.
- the first reference value is preset.
- the seismic sensor 11 outputs a signal s2 to the monitoring device 8 when it detects an acceleration greater than a specific second reference value.
- the second reference value is greater than the first reference value.
- the second reference value is preset.
- the seismic sensor 11 may output a signal sp to the monitoring device 8 when it detects acceleration greater than a specific P-wave reference value.
- the P-wave reference value is less than the first reference value.
- a P-wave reference value is preset. For example, when an acceleration greater than a first reference value and less than a second reference value occurs in a building, the seismic sensor 11 outputs signals sp and s1.
- the control device 7 includes an operation control section 21 and an abnormality detection section 22 .
- the operation control unit 21 controls normal operation and diagnostic operation.
- the normal operation is an operation for causing the car 3 to sequentially respond to registered calls. Diagnostic runs are conducted as needed after an earthquake.
- Diagnosis operation is an operation for performing a diagnosis necessary for restoring the elevator apparatus 1 to normal operation after an earthquake occurs.
- the monitoring device 8 includes an acceleration sensor 30, an earthquake determination section 31, and a communication section 32.
- the acceleration sensor 30 detects acceleration.
- the elevator device 1 communicates with the server 10 through the communication unit 32 of the monitoring device 8 .
- the server 10 includes a storage unit 40 , a first determination unit 41 , a second determination unit 42 , an acquisition unit 43 and a communication unit 44 .
- FIGS. 3 to 5 are flowcharts showing an operation example of the elevator device 1.
- FIG. 3 and 4 show a series of operations.
- the operation control unit 21 performs normal operation (S101).
- car 3 sequentially responds to registered calls.
- the earthquake determination unit 31 determines whether an earthquake has occurred. For example, the earthquake determination unit 31 determines whether or not the signal sp has been received from the earthquake sensor 11 (S102). If the seismic sensor 11 has not detected an acceleration greater than the P-wave reference value, the seismic sensor 11 does not output the signal sp. In such a case, it is determined as No in S102. If determined as No in S102, the operation control unit 21 performs normal operation.
- the seismic sensor 11 When the seismic sensor 11 detects acceleration greater than the P-wave reference value, the seismic sensor 11 outputs a signal sp. As a result, a determination of Yes is made in S102. When it is determined as Yes in S102, the earthquake determination unit 31 determines whether or not the signal s1 has been received from the earthquake sensor 11 (S103).
- the seismic sensor 11 When the seismic sensor 11 detects acceleration greater than the P-wave reference value and less than the first reference value, the seismic sensor 11 outputs only the signal sp. In such a case, it is determined as No in S103. When determined as No in S103, the operation control unit 21 stops the car 3 for a certain period of time (S104). After the predetermined time has passed, the seismic sensor 11 is automatically reset (S105). When the seismic sensor 11 is reset in S105, the operation control unit 21 resumes normal operation.
- the seismic sensor 11 When the seismic sensor 11 detects acceleration greater than the first reference value, the seismic sensor 11 outputs signals sp and s1. As a result, a determination of Yes is made in S103. When determined as Yes in S103, the earthquake determination unit 31 determines whether or not the signal s2 has been received from the earthquake sensor 11 (S106).
- the seismic sensor 11 When the seismic sensor 11 detects acceleration greater than the first reference value and less than the second reference value, the seismic sensor 11 outputs only the signal sp and the signal s1. No signal s2 is output from the seismic sensor 11 . In such a case, it is determined as No in S106. If determined as No in S106, the operation control unit 21 performs diagnostic operation (S107). As an example, the diagnosis operation is automatically started when a certain condition is met after the control operation for rescuing the passengers in the car 3 is completed.
- diagnostic operation various data necessary for diagnosis are acquired. Also, in diagnostic operation, it is determined whether or not an abnormality has been detected (S108).
- the anomaly detector 22 detects an anomaly based on the acquired data.
- the operation control unit 21 suspends operation (S109). In such a case, the return to normal operation is not performed unless the confirmation work by a professional engineer is completed.
- the elevator device 1 When the diagnostic operation ends without the abnormality detection unit 22 detecting an abnormality (No in S108), the elevator device 1 is temporarily restored (S110).
- the operation control unit 21 operates to sequentially respond to the registered calls by the car 3 . Therefore, when the elevator device is temporarily restored, the passengers can get on the car 3 and go to the destination floor.
- a specific display indicating that the restoration is temporary is performed at the hall 12 . Passengers can know that the restoration is not complete by looking at the display. After that, when the confirmation work by a professional engineer is finished, the elevator device 1 is fully restored. That is, normal operation is resumed.
- the seismic sensor 11 detects acceleration greater than the second reference value
- the seismic sensor 11 outputs signals sp, s1, and s2.
- a determination of Yes is made in S106. If determined as Yes in S106, the communication unit 32 transmits an earthquake occurrence signal to the server 10 (S111).
- the earthquake occurrence signal includes information on acceleration detected by the acceleration sensor 30 .
- FIG. 5 is a flowchart showing an operation example of the server 10.
- the server 10 determines whether or not an earthquake occurrence signal has been received (S201).
- S201 an earthquake occurrence signal
- the communication unit 44 of the server 10 receives the earthquake occurrence signal transmitted from the monitoring device 8 in S111, it is determined as Yes in S201. That is, when the signal s2 is output from the seismic sensor 11, it is determined as Yes in S201.
- the earthquake occurrence signal includes information on the acceleration detected by the acceleration sensor 30 when the earthquake occurred.
- the first determination unit 41 determines whether or not the acceleration detected by the acceleration sensor 30 is equal to or less than the determination reference value (S202).
- the criterion value is greater than the second criterion value.
- a criterion value is set in advance. If the acceleration detected by the acceleration sensor 30 is equal to or less than the determination reference value, the first determination unit 41 determines Yes in S202.
- the criterion value is preferably a value within the range of 240 Gal to 520 Gal.
- the criterion value is a value included in the upper 50% range from 240Gal to 520Gal, that is, the range from 380Gal to 520Gal. More preferably, the criterion value is within the upper 25% range from 240 Gal to 520 Gal, that is, within the range from 450 Gal to 520 Gal.
- the acquisition unit 43 acquires the seismic intensity information of the area where the building is located (S203).
- the seismic intensity information is information indicating the strength of shaking (seismic intensity) caused by an earthquake. In Japan, seismic intensity is expressed in 10 levels from seismic intensity 0 to seismic intensity 7.
- the acquiring unit 43 acquires seismic intensity information of the area from an external organization such as the Meteorological Agency.
- the second determination unit 42 determines whether the seismic intensity indicated by the seismic intensity information acquired by the acquisition unit 43 in S203 is equal to or less than a specific standard seismic intensity (S204).
- the standard seismic intensity is set in advance. When the criterion value is a value within the range of 240 Gal to 520 Gal, the standard seismic intensity is preferably seismic intensity 5 upper. If the seismic intensity indicated by the seismic intensity information acquired by the acquisition unit 43 is equal to or less than the standard seismic intensity, the second determination unit 42 determines Yes in S204.
- the determination of S202 may be performed prior to the determination of S204.
- the communication unit 44 transmits a start permission signal to the monitoring device 8 in response to the earthquake occurrence signal received in S201 (S205).
- the first determination unit 41 determines No in S202. If the seismic intensity indicated by the seismic intensity information acquired by the acquisition unit 43 is greater than the standard seismic intensity, the second determination unit 42 determines No in S204. When at least one of S202 and S204 is determined as No, the communication unit 44 transmits a start disapproval signal to the monitoring device 8 as a response to the earthquake occurrence signal received in S201 (S206).
- the monitoring device 8 when the earthquake occurrence signal is transmitted from the communication unit 32 in S111, it is determined whether or not a start permission signal has been received from the server 10 as a response (S112). If the monitoring device 8 has not received a start permission signal from the server 10 (No in S112), it is determined whether or not a start disapproval signal has been received from the server 10 in response to the earthquake occurrence signal (S113). ).
- the communication unit 32 When the communication unit 32 receives the start permission signal transmitted from the server 10 in S205, it is determined as Yes in S112. That is, when both S202 and S204 are determined to be Yes, S112 is determined to be Yes. If determined as Yes in S112, the operation control unit 21 starts diagnostic operation (S114).
- the processing shown in S115 to S117 after the diagnostic operation is started in S114 is the same as the processing shown in S108 to S110 after the diagnostic operation is started in S107. That is, in diagnostic operation, it is determined whether or not an abnormality has been detected (S115). When the abnormality detection unit 22 detects an abnormality (Yes in S115), the operation control unit 21 suspends operation (S116). In such a case, the return to normal operation is not performed unless the confirmation work by a professional engineer is completed.
- the elevator device 1 When the diagnostic operation ends without the abnormality detection unit 22 detecting an abnormality (No in S115), the elevator device 1 is temporarily restored (S117). In the temporary restoration, the operation control unit 21 operates to sequentially respond to the registered calls by the car 3 . Further, in the temporary restoration, a specific display indicating the temporary restoration is performed at the hall 12 . After that, when the confirmation work by a professional engineer is finished, the elevator device 1 is fully restored. That is, normal operation is resumed.
- the communication unit 32 receives the start disapproval signal transmitted from the server 10 in S206, it is determined as Yes in S113. That is, when at least one of S202 or S204 is determined as No, S113 is determined as Yes. If determined as Yes in S113, the operation control unit 21 suspends operation (S116). Therefore, if it is determined as Yes in S113, the operation control unit 21 does not start diagnostic operation. In such a case, the return to normal operation is not performed unless the confirmation work by a professional engineer is completed.
- diagnostic operation can be performed even when the seismic sensor 11 detects acceleration greater than the second reference value. Further, when the signal s2 is output from the seismic sensor 11, the diagnostic operation is started when both S202 and S204 are determined to be Yes. It is not necessary to individually set the conditions for starting diagnostic operation for each elevator device, and the present system can be easily developed.
- the operation control unit 21 may perform a diagnostic operation that differs from the content of the diagnostic operation performed in S107. For example, when the diagnostic operation is performed in S114, the operation control unit 21 first moves the car 3 at the first speed. If the car 3 is moved at the first speed and no abnormality is detected, then the operation control unit 21 moves the car 3 at the second speed. The second speed is greater than the first speed.
- the operation control unit 21 When the car 3 is moved at the second speed and no abnormality is detected, the operation control unit 21 finally moves the car 3 at the third speed.
- the third speed is greater than the second speed. If the car 3 is moved at the third speed and no abnormality is detected, a determination of No is made in S115. That is, in the diagnostic operation performed in S114, the operation control unit 21 moves the car 3 at three stages of speed.
- the operation control unit 21 first moves the car 3 at the second speed. If the car 3 is moved at the second speed and no abnormality is detected, then the operation control unit 21 moves the car 3 at the third speed. If the car 3 is moved at the third speed and no abnormality is detected, the determination in S108 is No. That is, the operation control unit 21 may move the car 3 at two stages of speed in the diagnostic operation performed in S107.
- FIG. 6 is a flowchart showing another operation example of the server 10.
- FIG. The operation flow shown in FIG. 6 corresponds to the operation flow shown in FIG. 5 with the processing shown in S207 added.
- the storage unit 40 of the server 10 stores information on a plurality of elevator devices with which a specific option contract has been signed.
- the server 10 determines whether the elevator apparatus 1 having the communication unit 32 that transmitted the earthquake occurrence signal is stored in the storage unit 40 as an elevator apparatus to which the option contract is concluded. is determined (S207). In the example shown in FIG. 6, the start permission signal is not sent to the monitoring device 8 unless the elevator device 1 is stored in the storage unit 40 as an elevator device to which the option contract is concluded (No in S207). At S ⁇ b>206 , a start disapproval signal is transmitted to the monitoring device 8 . If all of S207, S202, and S204 are determined to be Yes, a start permission signal is transmitted in S205.
- each unit indicated by reference numerals 40 to 44 indicates the functions of the server 10.
- FIG. 7 is a diagram showing an example of hardware resources of the server 10.
- the server 10 includes a processing circuit 50 including a processor 51 and a memory 52 as hardware resources.
- the server 10 implements the functions of the units indicated by reference numerals 41 to 44 by causing the processor 51 to execute programs stored in the memory 52 .
- the functions of the storage unit 40 are implemented by the memory 52 .
- a semiconductor memory or the like can be used as the memory 52 .
- FIG. 8 is a diagram showing another example of hardware resources of the server 10.
- the server 10 comprises processing circuitry 50 including a processor 51 , memory 52 and dedicated hardware 53 .
- FIG. 8 shows an example in which some of the functions of the server 10 are implemented by dedicated hardware 53. As shown in FIG. All of the functions of the server 10 may be realized by dedicated hardware 53 .
- Dedicated hardware 53 can be a single circuit, multiple circuits, programmed processors, parallel programmed processors, ASICs, FPGAs, or combinations thereof.
- the hardware resources of the monitoring device 8 are the same as the examples shown in FIG. 7 or FIG.
- the monitoring device 8 includes, as hardware resources, a processing circuit including a processor and a memory.
- the monitoring device 8 realizes the functions of the units indicated by reference numerals 31 and 32 by executing the programs stored in the memory by the processor.
- the monitoring device 8 may comprise, as hardware resources, a processing circuit including a processor, memory, and dedicated hardware. A part or all of the functions of the monitoring device 8 may be implemented by dedicated hardware.
- the hardware resources of the control device 7 are the same as the examples shown in FIG. 7 or FIG.
- the control device 7 has a processing circuit including a processor and a memory as hardware resources.
- the control device 7 realizes the functions of the respective units indicated by reference numerals 21 and 22 by executing the programs stored in the memory by the processor.
- the controller 7 may comprise processing circuits including processors, memories, and dedicated hardware as hardware resources. A part or all of the functions of the control device 7 may be implemented by dedicated hardware.
- a part or all of the functions of the server 10 may be provided in the elevator device 1.
- the monitoring device 8 may have some of the functions that the server 10 has.
- the elevator system according to the present disclosure can be applied to a system that performs diagnostic operation after an earthquake.
Abstract
Description
図1は、実施の形態1におけるエレベーターシステムの例を示す図である。図2は、エレベーターシステムが有する機能を説明するための図である。
Claims (7)
- 昇降路を移動するかごと、
前記昇降路が形成された建物内に設けられ、第1基準値より大きい加速度を検出すると第1信号を出力し、第2基準値より大きい加速度を検出すると第2信号を出力する地震感知器と、
加速度を検出する加速度センサと、
前記地震感知器から前記第2信号が出力されずに前記第1信号が出力されると、地震後の診断運転を行う運転制御手段と、
前記地震感知器から前記第2信号が出力されると、前記加速度センサが検出した加速度が判定基準値以下であるか否かを判定する第1判定手段と、
前記建物が存在する地域の震度情報を取得する取得手段と、
前記取得手段が取得した震度情報が示す震度が基準震度以下であるか否かを判定する第2判定手段と、
を備え、
前記第2基準値は前記第1基準値より大きく、
前記判定基準値は前記第2基準値より大きく、
前記運転制御手段は、前記加速度センサが検出した加速度が前記判定基準値以下であることを前記第1判定手段が判定し且つ前記取得手段が取得した震度情報が示す震度が前記基準震度以下であることを前記第2判定手段が判定すると、地震後の診断運転を開始するエレベーターシステム。 - 前記第1判定手段、前記取得手段、及び前記第2判定手段を備えたサーバと、
前記サーバと通信するための第1通信手段と、
を更に備え、
前記第1通信手段は、前記地震感知器から前記第2信号が出力されると、前記加速度センサが検出した加速度の情報を含む地震発生信号を前記サーバに送信し、
前記サーバは、第2通信手段を更に備え、
前記第2通信手段は、前記加速度センサが検出した加速度が前記判定基準値以下であることを前記第1判定手段が判定し且つ前記取得手段が取得した震度情報が示す震度が前記基準震度以下であることを前記第2判定手段が判定すると、前記地震発生信号の応答として開始許可信号を送信し、
前記運転制御手段は、前記第1通信手段が前記開始許可信号を受信すると、地震後の診断運転を開始する請求項1に記載のエレベーターシステム。 - 前記サーバは、記憶部を更に備え、
前記記憶部に、特定のオプション契約が結ばれているエレベーター装置の情報が記憶され、
前記第2通信手段は、前記地震発生信号を送信した前記第1通信手段を有するエレベーター装置が、前記オプション契約が結ばれているエレベーター装置として前記記憶部に記憶されていなければ、前記開始許可信号を送信しない請求項2に記載のエレベーターシステム。 - 前記かごを駆動するための巻上機と、
前記運転制御手段を備えた制御装置と、
前記加速度センサ及び前記第1通信手段を備えた監視装置と、
を更に備え、
前記巻上機、前記制御装置、及び前記監視装置は、前記昇降路の頂部に設けられ、
前記地震感知器は、前記昇降路のピットに設けられた請求項2又は請求項3に記載のエレベーターシステム。 - 前記運転制御手段は、
前記地震感知器から前記第2信号が出力された場合に行う診断運転では、第1速度、前記第1速度より大きい第2速度、及び前記第2速度より大きい第3速度で前記かごを移動させ、
前記地震感知器から前記第2信号が出力されずに前記第1信号が出力された場合に行う診断運転では、前記第2速度及び前記第3速度で前記かごを移動させる請求項1から請求項4の何れか一項に記載のエレベーターシステム。 - 前記判定基準値は、380Galから520Galの範囲に含まれる値である請求項1から請求項5の何れか一項に記載のエレベーターシステム。
- 前記判定基準値は、450Galから520Galの範囲に含まれる値である請求項1から請求項5の何れか一項に記載のエレベーターシステム。
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JP2023516014A JP7435910B2 (ja) | 2021-04-23 | 2021-04-23 | エレベーターシステム |
PCT/JP2021/016500 WO2022224453A1 (ja) | 2021-04-23 | 2021-04-23 | エレベーターシステム |
KR1020237039210A KR20230170754A (ko) | 2021-04-23 | 2021-04-23 | 엘리베이터 시스템 |
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WO2018134891A1 (ja) * | 2017-01-17 | 2018-07-26 | 三菱電機ビルテクノサービス株式会社 | エレベーターの自動復旧システム |
JP2019043696A (ja) * | 2017-08-30 | 2019-03-22 | フジテック株式会社 | エレベータ運転制御システム |
WO2019106707A1 (ja) * | 2017-11-28 | 2019-06-06 | 三菱電機ビルテクノサービス株式会社 | エレベーターシステム |
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- 2021-04-23 KR KR1020237039210A patent/KR20230170754A/ko unknown
- 2021-04-23 CN CN202180097356.XA patent/CN117177931A/zh active Pending
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Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2009220994A (ja) * | 2008-03-18 | 2009-10-01 | Mitsubishi Electric Corp | エレベータの地震復旧装置及び地震復旧運転の制御方法 |
JP2011121736A (ja) * | 2009-12-11 | 2011-06-23 | Hitachi Ltd | エレベータ制御装置 |
WO2018134891A1 (ja) * | 2017-01-17 | 2018-07-26 | 三菱電機ビルテクノサービス株式会社 | エレベーターの自動復旧システム |
JP2019043696A (ja) * | 2017-08-30 | 2019-03-22 | フジテック株式会社 | エレベータ運転制御システム |
WO2019106707A1 (ja) * | 2017-11-28 | 2019-06-06 | 三菱電機ビルテクノサービス株式会社 | エレベーターシステム |
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KR20230170754A (ko) | 2023-12-19 |
CN117177931A (zh) | 2023-12-05 |
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