WO2020255221A1 - Système de détection d'allongement pour chaîne de marches d'un trottoir roulant - Google Patents

Système de détection d'allongement pour chaîne de marches d'un trottoir roulant Download PDF

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Publication number
WO2020255221A1
WO2020255221A1 PCT/JP2019/023964 JP2019023964W WO2020255221A1 WO 2020255221 A1 WO2020255221 A1 WO 2020255221A1 JP 2019023964 W JP2019023964 W JP 2019023964W WO 2020255221 A1 WO2020255221 A1 WO 2020255221A1
Authority
WO
WIPO (PCT)
Prior art keywords
passenger conveyor
elongation
inclination
chain
detection unit
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/JP2019/023964
Other languages
English (en)
Japanese (ja)
Inventor
誠一 熊谷
志賀　諭
皆木　宗
拓弥 橋口
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Mitsubishi Electric Building Solutions Corp
Original Assignee
Mitsubishi Electric Corp
Mitsubishi Electric Building Techno Service Co Ltd
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 Mitsubishi Electric Corp, Mitsubishi Electric Building Techno Service Co Ltd filed Critical Mitsubishi Electric Corp
Priority to CN201980097501.7A priority Critical patent/CN114040884B/zh
Priority to KR1020217029062A priority patent/KR102522242B1/ko
Priority to JP2021528072A priority patent/JP7070800B6/ja
Priority to CN202311021626.6A priority patent/CN117023331A/zh
Priority to PCT/JP2019/023964 priority patent/WO2020255221A1/fr
Priority to TW108139219A priority patent/TWI795607B/zh
Publication of WO2020255221A1 publication Critical patent/WO2020255221A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B29/00—Safety devices of escalators or moving walkways
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B27/00—Indicating operating conditions of escalators or moving walkways

Definitions

  • the present invention relates to an extension detection system for a step chain of a passenger conveyor.
  • Patent Document 1 discloses a passenger conveyor monitoring device. According to the monitoring device, the elongation of the step chain can be detected.
  • An object of the present invention is to provide a step chain elongation detection system for a passenger conveyor that can easily detect the elongation of a step chain.
  • the extension detection system for the step chain of the passenger conveyor includes a tilt detection unit that detects the inclination of the step when a plurality of steps of the passenger conveyor are cyclically moving, and the inclination of the step detected by the inclination detection unit. Based on the above, the extension detection unit for detecting the elongation of the step chain connecting the plurality of steps is provided.
  • the elongation detection system detects the elongation of the step chain based on the inclination of the step. Therefore, the elongation of the step chain can be easily detected.
  • FIG. 5 is a front view of the passenger conveyor to which the extension detection system of the step chain of the passenger conveyor in Embodiment 1 is applied.
  • FIG. 5 is an enlarged perspective view of a step chain to which the extension detection system of the step chain of the passenger conveyor according to the first embodiment is applied.
  • FIG. 5 is an enlarged perspective view of a step chain to which the extension detection system of the step chain of the passenger conveyor according to the first embodiment is applied.
  • It is a block diagram of the extension detection system of the step chain of a passenger conveyor in Embodiment 1.
  • FIG. It is a flowchart for demonstrating the outline of the operation of the extension detection device which is a part of the extension detection system of the step chain of a passenger conveyor in Embodiment 1.
  • FIG. 5 is a hardware configuration diagram of an extension detection device that is a part of an extension detection system for a step chain of a passenger conveyor according to the first embodiment.
  • FIG. 1 is a front view of a passenger conveyor to which the extension detection system of the step chain of the passenger conveyor according to the first embodiment is applied.
  • the lower entrance / exit 1 is provided at the lower part of the passenger conveyor.
  • the upper entrance / exit 2 is provided at the upper part of the passenger conveyor.
  • the plurality of steps 3 are provided between the lower entrance / exit 1 and the upper entrance / exit 2.
  • the step chain 4 on the left side connects the left sides of the plurality of steps 3.
  • the step chain 4 on the right side connects the right sides of the plurality of steps 3.
  • the pair of step chains 4 circulate and move following the rotation of a sprocket (not shown).
  • the plurality of steps 3 circulate and move following the circular movement of the pair of step chains 4.
  • FIG. 2 is an enlarged perspective view of a step chain to which the extension detection system of the step chain of the passenger conveyor according to the first embodiment is applied.
  • the step chain 4 is connected by inserting the pin 4a into the bush 4b. For example, a large tension is applied at the position corresponding to the adjacent step 3. At this time, the pin 4a and the bush 4b are scraped due to wear. As a result, the distance between adjacent links increases. The extension of the distance between the links appears as the extension of the step chain 4.
  • FIG. 3 is an enlarged perspective view of a step chain to which the extension detection system of the step chain of the passenger conveyor according to the first embodiment is applied.
  • the distance between the adjacent step 3s is uniform in the width direction between the pair of skirt guards 5.
  • the distance on the left side of the adjacent step 3 is widened.
  • the distance on the right side of the adjacent step 3 is widened.
  • FIG. 4 is a configuration diagram of an extension detection system for the step chain of the passenger conveyor according to the first embodiment.
  • the stretch detection system includes a camera 6 and a stretch detection device 7.
  • the camera 6 is temporarily arranged near the lower entrance 1 so as to look down on step 3 from above the passenger conveyor.
  • the stretch detection device 7 includes a tilt detection unit 7a and a stretch detection unit 7b.
  • the tilt detection unit 7a detects the tilt of step 3 on the outward route side when a plurality of steps 3 are cyclically moving based on the image from the camera 6. At this time, the inclination detection unit 7a extracts the end portion of the cleat in step 3 as a straight line portion and then quantifies the deviation in step 3.
  • the elongation detection unit 7b detects the presence / absence or degree of extension of the step chain 4 (not shown in FIG. 4) based on the inclination of step 3 detected by the inclination detection unit.
  • FIG. 5 is a flowchart for explaining an outline of the operation of the stretch detection device which is a part of the stretch detection system of the step chain of the passenger conveyor in the first embodiment.
  • step S1 the elongation detection device 7 receives input of a plurality of images of step 3 from the camera 6 while the passenger conveyor is being lowered. After that, the elongation detection device 7 performs the operation of step S2. In step S2, the stretch detection device 7 extracts from the camera image an image frame in which the gap in the adjacent step 3 is taken before entering the step guide (not shown).
  • the elongation detection device 7 performs the operation of step S3.
  • step S3 the stretch detection device 7 extracts a portion of the adjacent step 3 in which the gap is captured from the image frame.
  • the operation of step S4 is performed.
  • step S4 the elongation detection device 7 detects the length of the gap in the adjacent step 3 from the number of pixels in the portion where the gap in the adjacent step 3 is reflected.
  • step S5 the elongation detection device 7 detects the difference between the left side and the right side of the gap in the adjacent step 3. As a result, the degree of parallelism of the adjacent step 3 is detected.
  • the elongation detection device 7 detects the elongation of the step chain 4 based on the inclination of the step 3. Therefore, the partial elongation of the step chain 4 can be easily detected without adding new equipment to the passenger conveyor.
  • the elongation detection device 7 detects the inclination of step 3 from the difference between the left side and the right side of the gap between the adjacent steps in step 3 based on the image of the camera 6. Therefore, it is possible to easily acquire the information necessary for detecting the elongation of the step chain 4.
  • the passenger conveyor may maintain normal operation. Therefore, the elongation of the step chain 4 can be easily detected without lowering the operation efficiency of the passenger conveyor.
  • the inclination of step 3 may be detected from the difference between the left side and the right side of the gap of the adjacent step of step 3. Also in this case, the information necessary for detecting the elongation of the step chain 4 can be easily acquired.
  • step 3 may be detected from the change of the cleat direction of step 3 for each step 3 based on the image of the camera 6. Also in this case, the information necessary for detecting the elongation of the step chain 4 can be easily acquired.
  • step 3 is detected from the change of the cleat direction of step 3 for each step 3 based on the measurement result of the vibration sensor fixed in the step 3 by aligning the axis with the direction of the cleat of step 3. You may. Also in this case, the information necessary for detecting the elongation of the step chain 4 can be easily acquired.
  • the inclination of the step 3 may be detected from the difference between the moving direction of the step 3 and the direction of the cleat of the step 3 based on the image of the camera 6. Also in this case, the inclination of the step 3 with respect to the truss rail can be easily acquired as the information necessary for detecting the elongation of the step chain 4.
  • the difference between the moving direction of the step 3 and the direction of the cleat in the step 3 indicates that the step 3 is performed. Tilt may be detected. Also in this case, the inclination of the step 3 with respect to the truss rail can be easily acquired as the information necessary for detecting the elongation of the step chain 4.
  • the inclination of step 3 may be detected based on the gap of the adjacent step 3 after exiting the step guide. Also in this case, the elongation of the step chain 4 can be easily detected.
  • step 3 may be detected on the side of the upper entrance / exit 2. Also in this case, the elongation of the step chain 4 can be easily detected.
  • the stretch detection system of the first embodiment may be applied to a moving walkway. Also in this case, the elongation of the step chain 4 can be easily detected.
  • FIG. 6 is a hardware configuration diagram of an extension detection device that is a part of the extension detection system for the step chain of the passenger conveyor according to the first embodiment.
  • Each function of the elongation detection device 7 can be realized by a processing circuit.
  • the processing circuit includes at least one processor 100a and at least one memory 100b.
  • the processing circuit comprises at least one dedicated hardware 200.
  • each function of the elongation detection device 7 is realized by software, firmware, or a combination of software and firmware. At least one of the software and firmware is written as a program. At least one of the software and firmware is stored in at least one memory 100b. At least one processor 100a realizes each function of the elongation detection device 7 by reading and executing a program stored in at least one memory 100b. At least one processor 100a is also referred to as a central processing unit, a processing unit, an arithmetic unit, a microprocessor, a microcomputer, and a DSP.
  • at least one memory 100b is a non-volatile or volatile semiconductor memory such as RAM, ROM, flash memory, EPROM, EEPROM, magnetic disk, flexible disk, optical disk, compact disk, mini disk, DVD or the like.
  • the processing circuit includes at least one dedicated hardware 200
  • the processing circuit is realized, for example, by a single circuit, a composite circuit, a programmed processor, a parallel programmed processor, an ASIC, an FPGA, or a combination thereof.
  • each function of the elongation detection device 7 is realized by a processing circuit.
  • each function of the elongation detection device 7 is collectively realized by a processing circuit.
  • a part may be realized by the dedicated hardware 200, and the other part may be realized by software or firmware.
  • the function of the tilt detection unit 7a is realized by a processing circuit as dedicated hardware 200, and the function other than the function of the tilt detection unit 7a is a program in which at least one processor 100a is stored in at least one memory 100b. It may be realized by reading and executing.
  • the processing circuit realizes each function of the elongation detection device 7 with the hardware 200, software, firmware, or a combination thereof.
  • the extension detection system for the step chain of the passenger conveyor according to the present invention can be used for the passenger conveyor system.

Landscapes

  • Escalators And Moving Walkways (AREA)

Abstract

La présente invention concerne un système de détection d'allongement pour une chaîne de marches d'un trottoir roulant, le système étant capable de détecter facilement l'allongement de la chaîne de marches. Le système de détection d'allongement pour une chaîne de marches d'un trottoir roulant est pourvu : d'une unité de détection d'inclinaison qui, lorsqu'une pluralité de marches du trottoir roulant se déplacent en circulation, détecte l'inclinaison des marches ; et d'une unité de détection d'allongement qui, sur la base de l'inclinaison des marches détectée par l'unité de détection d'inclinaison, détecte l'allongement de la chaîne de marches par laquelle la pluralité de marches sont liées.
PCT/JP2019/023964 2019-06-17 2019-06-17 Système de détection d'allongement pour chaîne de marches d'un trottoir roulant Ceased WO2020255221A1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
CN201980097501.7A CN114040884B (zh) 2019-06-17 2019-06-17 乘客输送机的梯级链伸长检测系统
KR1020217029062A KR102522242B1 (ko) 2019-06-17 2019-06-17 승객 컨베이어의 스텝체인의 늘어남 검지 시스템
JP2021528072A JP7070800B6 (ja) 2019-06-17 2019-06-17 乗客コンベアのステップチェーンの伸び検知システム
CN202311021626.6A CN117023331A (zh) 2019-06-17 2019-06-17 乘客输送机的梯级链伸长检测系统
PCT/JP2019/023964 WO2020255221A1 (fr) 2019-06-17 2019-06-17 Système de détection d'allongement pour chaîne de marches d'un trottoir roulant
TW108139219A TWI795607B (zh) 2019-06-17 2019-10-30 乘客輸送機之階梯鏈的伸長偵測系統

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2019/023964 WO2020255221A1 (fr) 2019-06-17 2019-06-17 Système de détection d'allongement pour chaîne de marches d'un trottoir roulant

Publications (1)

Publication Number Publication Date
WO2020255221A1 true WO2020255221A1 (fr) 2020-12-24

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PCT/JP2019/023964 Ceased WO2020255221A1 (fr) 2019-06-17 2019-06-17 Système de détection d'allongement pour chaîne de marches d'un trottoir roulant

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Country Link
JP (1) JP7070800B6 (fr)
KR (1) KR102522242B1 (fr)
CN (2) CN117023331A (fr)
TW (1) TWI795607B (fr)
WO (1) WO2020255221A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2022150191A (ja) * 2021-03-26 2022-10-07 パナソニックＩｐマネジメント株式会社 計測システムおよび計測ユニット

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4915391B1 (fr) * 1969-01-22 1974-04-15
JPS5520370U (fr) * 1978-07-26 1980-02-08
JPS62113122U (fr) * 1986-12-19 1987-07-18
JPH0222203B2 (fr) * 1983-07-08 1990-05-17 Tokyo Shibaura Electric Co
JP2000137790A (ja) * 1998-10-29 2000-05-16 Hitachi Ltd マンコンベアの画像監視方法および装置
JP2002087750A (ja) * 2000-09-07 2002-03-27 Hitachi Building Systems Co Ltd 乗客コンベアの踏板チェーン伸び検出装置
JP2006273549A (ja) * 2005-03-30 2006-10-12 Mitsubishi Electric Building Techno Service Co Ltd マンコンベアのステップチェーン伸び検出装置
JP4305342B2 (ja) * 2004-09-10 2009-07-29 株式会社日立製作所 乗客コンベア
JP2010149957A (ja) * 2008-12-24 2010-07-08 Mitsubishi Electric Building Techno Service Co Ltd エスカレータの踏段位置ずれ検出装置
JP2016016926A (ja) * 2014-07-08 2016-02-01 東芝エレベータ株式会社 乗客コンベアの間隙異常判定装置
US20180029839A1 (en) * 2016-07-29 2018-02-01 Otis Elevator Company Speed detection system of passenger conveyor and speed detection method thereof

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AR028928A1 (es) * 2000-07-31 2003-05-28 Dabur Res Foundation Analogos del peptido intestinal vasoactivo
JP4141649B2 (ja) * 2001-02-20 2008-08-27 三菱電機ビルテクノサービス株式会社 乗客コンベヤの踏段チェーンの伸び量測定装置
JP2004224560A (ja) 2003-01-27 2004-08-12 Hitachi Building Systems Co Ltd 乗客コンベアの監視装置
JP4915391B2 (ja) * 2008-05-19 2012-04-11 三菱電機ビルテクノサービス株式会社 乗客コンベヤの踏段チェーンの伸び量測定装置
WO2009150704A1 (fr) * 2008-06-09 2009-12-17 三菱電機株式会社 Dispositif de détection de perte de marche pour escalator
JP5075105B2 (ja) * 2008-12-24 2012-11-14 株式会社日立製作所 乗客コンベアの診断装置
CN104340835B (zh) * 2013-07-26 2016-12-07 上海三菱电梯有限公司 乘客输送设备的安全检测装置及其实现方法
JP5936655B2 (ja) * 2014-08-18 2016-06-22 三菱電機ビルテクノサービス株式会社 乗客コンベヤのチェーン片伸び検出装置
JP6525720B2 (ja) * 2015-05-13 2019-06-05 三菱電機ビルテクノサービス株式会社 チェーン伸び検出装置および乗客コンベア
JP2016216138A (ja) * 2015-05-14 2016-12-22 三菱電機株式会社 乗客コンベアの異常検出装置および乗客コンベアの異常検出方法
JP6545386B2 (ja) * 2016-07-28 2019-07-17 三菱電機株式会社 乗客コンベアの走行異常検出装置および乗客コンベアの走行異常検出方法
CN106629367B (zh) * 2016-12-05 2018-07-17 日立电梯（广州）自动扶梯有限公司 检测梯级链伸长的系统
JP6419912B1 (ja) * 2017-08-03 2018-11-07 東芝エレベータ株式会社 乗客コンベア
JP6522203B1 (ja) * 2018-05-16 2019-05-29 東芝エレベータ株式会社 乗客コンベアの異常検知システム

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4915391B1 (fr) * 1969-01-22 1974-04-15
JPS5520370U (fr) * 1978-07-26 1980-02-08
JPH0222203B2 (fr) * 1983-07-08 1990-05-17 Tokyo Shibaura Electric Co
JPS62113122U (fr) * 1986-12-19 1987-07-18
JP2000137790A (ja) * 1998-10-29 2000-05-16 Hitachi Ltd マンコンベアの画像監視方法および装置
JP2002087750A (ja) * 2000-09-07 2002-03-27 Hitachi Building Systems Co Ltd 乗客コンベアの踏板チェーン伸び検出装置
JP4305342B2 (ja) * 2004-09-10 2009-07-29 株式会社日立製作所 乗客コンベア
JP2006273549A (ja) * 2005-03-30 2006-10-12 Mitsubishi Electric Building Techno Service Co Ltd マンコンベアのステップチェーン伸び検出装置
JP2010149957A (ja) * 2008-12-24 2010-07-08 Mitsubishi Electric Building Techno Service Co Ltd エスカレータの踏段位置ずれ検出装置
JP2016016926A (ja) * 2014-07-08 2016-02-01 東芝エレベータ株式会社 乗客コンベアの間隙異常判定装置
US20180029839A1 (en) * 2016-07-29 2018-02-01 Otis Elevator Company Speed detection system of passenger conveyor and speed detection method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2022150191A (ja) * 2021-03-26 2022-10-07 パナソニックＩｐマネジメント株式会社 計測システムおよび計測ユニット
JP7710179B2 (ja) 2021-03-26 2025-07-18 パナソニックＩｐマネジメント株式会社 計測システムおよび計測ユニット

Also Published As

Publication number Publication date
CN117023331A (zh) 2023-11-10
CN114040884B (zh) 2023-11-24
JP7070800B2 (ja) 2022-05-18
JP7070800B6 (ja) 2022-06-10
CN114040884A (zh) 2022-02-11
KR20210124448A (ko) 2021-10-14
TW202100445A (zh) 2021-01-01
TWI795607B (zh) 2023-03-11
KR102522242B1 (ko) 2023-04-18
JPWO2020255221A1 (ja) 2021-11-25

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