WO2016194183A1 - 乗客コンベア - Google Patents

乗客コンベア Download PDF

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Publication number
WO2016194183A1
WO2016194183A1 PCT/JP2015/066084 JP2015066084W WO2016194183A1 WO 2016194183 A1 WO2016194183 A1 WO 2016194183A1 JP 2015066084 W JP2015066084 W JP 2015066084W WO 2016194183 A1 WO2016194183 A1 WO 2016194183A1
Authority
WO
WIPO (PCT)
Prior art keywords
light
inner layer
comb
passenger conveyor
breakage
Prior art date
Application number
PCT/JP2015/066084
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
酒井　大輔
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 CN201580080605.9A priority Critical patent/CN107614414B/zh
Priority to JP2017521434A priority patent/JP6351844B2/ja
Priority to PCT/JP2015/066084 priority patent/WO2016194183A1/ja
Publication of WO2016194183A1 publication Critical patent/WO2016194183A1/ja

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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
    • B66B29/02—Safety devices of escalators or moving walkways responsive to, or preventing, jamming by foreign objects
    • B66B29/06—Combplates

Definitions

  • the present invention relates to a passenger conveyor in which a comb having a plurality of comb teeth meshing with a cleat of a step is provided on a floor portion of an entrance / exit.
  • a plurality of combs are arranged and fixed on a comb plate.
  • a plurality of optical sensors are installed to face the weak portions of the corresponding comb. When one of the combs breaks at the fragile portion, the corresponding optical sensor is exposed to detect light incident from the outside, and comb breakage is detected (see, for example, Patent Document 1).
  • the optical sensor is arranged at the tip of the comb plate so that the light receiving surface of the optical sensor is covered with the weak part of the comb. When damaged, there is a problem that the damage cannot be detected.
  • the present invention has been made to solve the above-described problems, and an object of the present invention is to obtain a passenger conveyor that can detect comb breakage in a wider range.
  • the passenger conveyor according to the present invention is connected endlessly and has a plurality of steps each having a plurality of cleats, a plurality of comb teeth provided on the floor of the entrance and exit and meshing with the cleats.
  • the comb has a breakage detecting device that detects breakage of the comb and the comb teeth, and the comb is composed of a light-transmitting inner layer and a material that transmits light less easily than the inner layer, and covers the inner layer
  • the inner layer has a plurality of comb-teeth inner layer portions located in the comb teeth, and the breakage detection device detects the external light incident on the inner layer by losing the outer layer due to breakage of the comb teeth. It has a light detection part which detects.
  • the inner layer having light transmittance is covered with an outer layer made of a material that transmits light less easily than the inner layer, and the outside light incident on the inner layer is detected by the light detection unit. Comb breakage at can be detected.
  • FIG. 3 is a sectional view taken along line III-III in FIG. 2. It is sectional drawing which shows the state which the front-end
  • FIG. 4 is a cross-sectional view showing a state where a part of the upper side of the comb teeth in FIG. 3 is damaged.
  • FIG. 4 is a cross-sectional view showing a state in which a part of the outer layer of the comb teeth in FIG. 3 is damaged.
  • FIG. 1 is a plan view showing an entrance / exit of an escalator according to Embodiment 1 of the present invention.
  • a plurality of steps 1 connected in an endless manner are supported by a main frame (not shown) of the escalator.
  • a plurality of cleats 1a parallel to the traveling direction (left-right direction in FIG. 1) are provided on the upper surface of each step 1 (upper surface in the forward path).
  • a pair of balustrades 2 are provided on the main frames on both sides in the width direction of step 1 (vertical direction in FIG. 1).
  • the balustrade 2 is provided with a moving handrail 3 that moves in synchronization with step 1.
  • a floor board 4 is provided at the floor of the entrance.
  • a steel comb plate 5 is disposed along the width direction of step 1 at the boundary position between the floor plate 4 and step 1.
  • a plurality of combs 6 are attached to the comb plate 5.
  • the combs 6 are arranged side by side in the width direction of Step 1. Moreover, each comb 6 is being fixed to the comb board 5 using fasteners (not shown), such as several screws.
  • FIG. 2 is a cross-sectional view of the comb 6 of FIG. 1, and is a view of a cross-section parallel to or substantially parallel to the upper surface of the comb 6 as viewed from directly above.
  • FIG. 3 is a sectional view taken along line III-III in FIG.
  • the comb 6 has a rectangular flat comb body 6a fixed to the comb plate 5 and a plurality of comb teeth 6b that protrude in parallel from the comb body 6a and mesh with the cleat 1a.
  • the comb 6 has an inner layer 7 and an outer layer 8 that covers the inner layer 7.
  • the inner layer 7 is made of a light transmissive material, for example, a transparent resin.
  • the inner layer 7 has a main body inner layer portion 7a located in the comb main body 6a and a plurality of comb tooth inner layer portions 7b located in the comb teeth 6b. Each comb tooth inner layer portion 7b is connected to the main body inner layer portion 7a.
  • the outer layer 8 is made of a material that transmits light less than the inner layer 7, for example, a light-shielding resin, and covers the entire outer surface of the inner layer 7.
  • the inner layer 7 is provided with a light detection unit 9 that detects external light incident on the inner layer 7 by losing the outer layer 8 due to breakage of the comb teeth 6b.
  • the light detection unit 9 includes a plurality of light detection sensors 10 arranged for each comb inner layer portion 7b. Each photodetection sensor 10 is embedded in the root portion of the corresponding comb tooth 6b toward the comb tooth inner layer portion 7b.
  • signals from all the light detection sensors 10 of all the combs 6 are input to the arithmetic communication device 11 that is a monitoring unit.
  • the arithmetic communication device 11 detects the breakage of the comb teeth 6 b based on the signal from the light detection sensor 10. Further, when the breakage of the comb teeth 6b is detected, the arithmetic communication device 11 notifies the monitoring room to that effect.
  • the function of the arithmetic communication device 11 is realized by a computer, for example.
  • the breakage detection device 12 that detects breakage of the comb teeth 6 b includes a light detection unit 9 and an arithmetic communication device 11.
  • FIG. 4 is a cross-sectional view showing a state where the tips of the comb teeth 6b of FIG. 3 are broken
  • FIG. 5 is a cross-sectional view showing a state where the comb teeth 6b of FIG. 3 are broken from the root
  • FIG. FIG. 7 is a cross-sectional view showing a state in which a part of the outer layer 8 of the comb teeth 6b in FIG. 3 is damaged.
  • a part of the inner layer 7 is exposed to the outside. Then, external light enters the inner layer 7 from the exposed portion of the inner layer 7 as indicated by the arrows in each figure. The incident light is detected by the light detection sensor 10. Information on detection light in the light detection sensor 10 is collected in the arithmetic communication device 11. When the arithmetic communication device 11 determines from the collected information that the comb teeth 6b are damaged, the arithmetic communication device 11 notifies the monitoring room to that effect.
  • FIG. 8 is a graph showing a first example of a change in the amount of light incident on the light detection sensor 10 of FIG. 3, and shows an example in which the amount of light increases rapidly.
  • a light quantity change pattern is considered to be seen mainly when the comb teeth 6b are greatly damaged. In this case, for example, it can be determined that the comb teeth 6b are damaged by detecting that the increase rate of the amount of light incident on the light detection sensor 10 exceeds the threshold value.
  • FIG. 9 is a graph showing a second example of a change in the amount of light incident on the light detection sensor 10 in FIG. 3, and shows an example in which the amount of light gradually increases.
  • a light quantity change pattern is considered to be seen mainly when the outer layer 8 is gradually worn. In this case, for example, it can be determined that the comb teeth 6b are damaged by detecting that the light amount exceeds the threshold value (broken line in FIG. 9).
  • FIG. 10 is a graph showing a third example of a change in the amount of light incident on the light detection sensor 10 in FIG. 3, and shows an example in which the amount of light increases rapidly after increasing gently.
  • a light quantity change pattern is considered to be mainly seen when the outer layer 8 is gradually worn out and the outer layer 8 is peeled or damaged at a stroke when the wear has progressed to some extent.
  • the determination methods are shown in an independent form for convenience of explanation, but in actual operation, they may be monitored in a complex manner such as monitoring both the absolute value and the change rate of the light amount.
  • the breakage of the comb teeth 6b may be detected based on the presence or absence of light. That is, it may be determined that the light detection sensor 10 is normal if no light is detected, and if the light detection sensor 10 detects light, it may be determined that the comb teeth 6b are damaged.
  • FIG. 11 is a flowchart showing an example of the operation of the arithmetic communication device 11 of FIG.
  • the arithmetic communication device 11 first measures the amount of light incident on the light detection sensor 10 (step S1). Next, it is determined whether or not the increase rate of the light amount is equal to or greater than a threshold value stored in advance (step S2). If the increase rate of the light quantity does not reach the threshold value, the process returns to the measurement of the light quantity. If the increase rate of the light amount is equal to or greater than the threshold value, it is determined that the comb teeth 6b are damaged, and the monitoring room is notified (step S3).
  • the determination method shown in FIG. 11 is an example of the content described in FIG. 8, that is, “when it is determined that the comb teeth 6b are damaged when the increase rate of the amount of light incident on the light detection sensor 10 exceeds the threshold value”. Only. For this reason, when the determination method described in FIG. 9 or FIG. 10 is adopted, the content naturally changes. Further, depending on the situation, it may be possible to make a determination based on a plurality of conditions, and in this case, the content changes.
  • the inner layer 7 that allows light transmission is covered with an outer layer 8 made of a material that transmits light less easily than the inner layer 7, and external light incident on the inner layer 7 is detected by the light detection unit 9. Therefore, it is possible to detect all kinds of damage such as damage to the entire comb teeth 6b, damage to only the tips of the comb teeth 6b, damage to only the upper side of the comb teeth 6b, and damage to only the outer layer 8, and the comb in a wider range. 6 breakage can be detected.
  • each comb tooth 6b since the light detection sensor 10 is arranged for each comb tooth 6b, the breakage of each comb tooth 6b can be detected more reliably. Furthermore, if the light incident on each light detection sensor 10 is monitored, it can be detected which comb tooth 6b is damaged.
  • FIG. 12 is a sectional view of the comb 6 of the passenger conveyor according to the second embodiment of the present invention.
  • one light detection sensor 10 is used for each comb 6.
  • the light detection sensor 10 is disposed at the center in the width direction of the end of the comb body 6a opposite to the comb teeth 6b.
  • any breakage of the comb teeth 6b can be detected, and breakage of the comb 6 in a wider range can be detected. Further, the breakage of the comb body 6a can be detected, and the breakage of the comb 6 in a wider range can be detected. Furthermore, compared with the first embodiment, the number of the light detection sensors 10 can be greatly reduced, and the cost can be reduced.
  • one photodetection sensor 10 is provided in one comb 6, but two or more photodetection sensors 10 may be arranged in the comb body 6a at intervals.
  • FIG. 13 is a sectional view of a comb 6 of a passenger conveyor according to Embodiment 3 of the present invention.
  • one light detection sensor 10 is used for two or more combs 6.
  • the light detection sensor 10 is disposed outside the comb 6.
  • a photoderivative 13 is provided between the photodetection sensor 10 and the inner layer 7 of the two or more combs 6.
  • the optical derivative 13 for example, an optical fiber cable can be used.
  • any breakage of the comb teeth 6b can be detected, and breakage of the comb 6 in a wider range can be detected. Further, the breakage of the comb body 6a can be detected, and the breakage of the comb 6 in a wider range can be detected. Furthermore, compared with the second embodiment, the number of the light detection sensors 10 can be made smaller than the number of the combs 6, and the cost can be reduced. Furthermore, the freedom degree of the installation place of the photon detection part 9 can be improved.
  • one photodetection sensor 10 is used for two combs 6, but one photodetection sensor 10 may be used for three or more combs 6. Further, the combs 6 of Embodiments 1 to 3 may be used in appropriate combination. Furthermore, for example, the light detection sensor 10 according to the second embodiment may be disposed outside the comb 6, and the inner layer 7 and the light detection sensor 10 may be connected by the light derivative 13. Furthermore, in the first to third embodiments, the outer layer 8 is made of resin, but a light-shielding paint may be applied to the outer surface of the inner layer 7, for example. That is, you may comprise the outer layer 8 with a coating material. In this case, the worn portion can be easily repaired.
  • FIG. 14 is a cross-sectional view of a main part of a comb 6 of a passenger conveyor according to Embodiment 4 of the present invention.
  • the outer layer 8 of the fourth embodiment has a light-shielding film 14 attached to the outer surface of the inner layer 7 and a protective layer 15 that covers the outer surface of the film 14.
  • the protective layer 15 is made of resin or paint.
  • the film 14 which is an intermediate layer plays a role of light shielding
  • the light shielding property of the protective layer 15 is not limited.
  • Other configurations are the same as those in the first, second, or third embodiment.
  • the outer layer 8 may have a two-layer structure, and any breakage of the comb teeth 6b can be detected, and breakage of the comb 6 in a wider range can be detected. Further, since the coating 14 is covered with the protective layer 15, the coating 14 that plays a role of shielding light can be prevented from being worn, and breakage of the comb 6 can be detected with higher accuracy.
  • FIG. 15 is a cross-sectional view of an essential part of a comb 6 of a passenger conveyor according to Embodiment 5 of the present invention.
  • a reflective film 16 that reflects light is interposed between the inner layer 7 and the outer layer 8.
  • the reflective film 16 is a reflective surface that reflects light at least on the surface on the inner layer 7 side.
  • Other configurations are the same as those in the first, second, or third embodiment.
  • the reflection film 16 is disposed as an intermediate layer between the inner layer 7 and the outer layer 8, attenuation of light transmitted through the inner layer 7 can be suppressed, and the comb 6 is damaged. Can be detected with higher accuracy. If the surface of the reflective film 16 on the outer layer 8 side is also a reflective surface, it is possible to more reliably prevent external light from entering the inner layer 7 when the comb 6 is not damaged.
  • FIG. 16 is a cross-sectional view of an essential part of a comb 6 of a passenger conveyor according to Embodiment 6 of the present invention.
  • the inner layer 7 of the sixth embodiment is a space surrounded by the outer layer 8. That is, the inner layer 7 is constituted by a hollow portion (air layer).
  • Other configurations are the same as those in the first, second, or third embodiment.
  • any breakage of the comb teeth 6b can be detected, and breakage of the comb 6 in a wider range can be detected. Further, the material cost of the comb 6 can be reduced, and the weight of the comb 6 can be reduced.
  • the cross-sectional structures of the combs 6 described in Embodiments 4 to 6 can be used in appropriate combination.
  • combs 6 having different cross-sectional structures may be arranged in combination.
  • the reflective film 16 of the fifth embodiment may be formed on the inner surface of the outer layer 8 of the fourth or sixth embodiment.
  • the inner layer 7 of the fourth embodiment may be a space as shown in the sixth embodiment.
  • the coating 14 may be attached to the inner surface of the protective layer 15 made of resin.
  • the inner layer 7 may not be completely transparent as long as light can be transmitted, and may be formed of, for example, a translucent material.
  • the outer layer 8 may not completely block the light if the light detecting unit 9 can detect that the outer layer 8 has been lost.
  • the present invention can also be applied to a moving walkway.

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  • Escalators And Moving Walkways (AREA)
PCT/JP2015/066084 2015-06-03 2015-06-03 乗客コンベア WO2016194183A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201580080605.9A CN107614414B (zh) 2015-06-03 2015-06-03 乘客输送机
JP2017521434A JP6351844B2 (ja) 2015-06-03 2015-06-03 乗客コンベア
PCT/JP2015/066084 WO2016194183A1 (ja) 2015-06-03 2015-06-03 乗客コンベア

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2015/066084 WO2016194183A1 (ja) 2015-06-03 2015-06-03 乗客コンベア

Publications (1)

Publication Number Publication Date
WO2016194183A1 true WO2016194183A1 (ja) 2016-12-08

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PCT/JP2015/066084 WO2016194183A1 (ja) 2015-06-03 2015-06-03 乗客コンベア

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JP (1) JP6351844B2 (zh)
CN (1) CN107614414B (zh)
WO (1) WO2016194183A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10807809B1 (en) 2020-01-07 2020-10-20 Honda Motor Co., Ltd. End plate for conveyor belt

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2762048R1 (es) * 2018-11-19 2020-05-27 Open Mind Ventures S L U Sistema de extracción de materiales laminares cortados para máquinas de corte de materiales laminares flexibles
CN116917222B (zh) * 2021-02-16 2024-03-01 三菱电机楼宇解决方案株式会社 检查乘客输送机的多个梳齿与多个防滑条之间的位置关系的状态的检查装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63300092A (ja) * 1987-05-29 1988-12-07 株式会社東芝 エスカレ−タの安全装置
JPH11292451A (ja) * 1998-04-09 1999-10-26 Mitsubishi Electric Building Techno Service Co Ltd エスカレータ乗降口安全装置
JP2012188205A (ja) * 2011-03-09 2012-10-04 Mitsubishi Electric Building Techno Service Co Ltd 乗客コンベアのくし歯破損検出装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2385272A1 (en) * 2000-08-18 2002-02-21 Inventio Ag Method and apparatus for monitoring the teeth of a comb plate for a passenger conveyor
JP2007176681A (ja) * 2005-12-28 2007-07-12 Toshiba Elevator Co Ltd 乗客コンベアの乗降口照明装置
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
JP2010168127A (ja) * 2009-01-20 2010-08-05 Hitachi Ltd マンコンベア乗降部の安全装置
JP2013049562A (ja) * 2011-08-31 2013-03-14 Toshiba Elevator Co Ltd 乗客コンベアのコム及びこのコムを備える乗客コンベア
JP5795088B2 (ja) * 2014-01-09 2015-10-14 東芝エレベータ株式会社 乗客コンベア

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63300092A (ja) * 1987-05-29 1988-12-07 株式会社東芝 エスカレ−タの安全装置
JPH11292451A (ja) * 1998-04-09 1999-10-26 Mitsubishi Electric Building Techno Service Co Ltd エスカレータ乗降口安全装置
JP2012188205A (ja) * 2011-03-09 2012-10-04 Mitsubishi Electric Building Techno Service Co Ltd 乗客コンベアのくし歯破損検出装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10807809B1 (en) 2020-01-07 2020-10-20 Honda Motor Co., Ltd. End plate for conveyor belt

Also Published As

Publication number Publication date
JPWO2016194183A1 (ja) 2017-09-07
CN107614414B (zh) 2019-05-07
CN107614414A (zh) 2018-01-19
JP6351844B2 (ja) 2018-07-04

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