JP2011225333A - Moving handrail defect detector of passenger conveyer - Google Patents

Moving handrail defect detector of passenger conveyer Download PDF

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Publication number
JP2011225333A
JP2011225333A JP2010096955A JP2010096955A JP2011225333A JP 2011225333 A JP2011225333 A JP 2011225333A JP 2010096955 A JP2010096955 A JP 2010096955A JP 2010096955 A JP2010096955 A JP 2010096955A JP 2011225333 A JP2011225333 A JP 2011225333A
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moving handrail
state detection
state
moving
detection means
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JP2010096955A
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JP4982585B2 (en
Inventor
Daisuke Asai
Norimi Kodaira
Tomoji Onishi
Shohei Sakai
友治 大西
法美 小平
大輔 浅井
昌平 酒井
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Hitachi Building Systems Co Ltd
株式会社日立ビルシステム
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Abstract

Provided is a moving handrail flaw detector for a passenger conveyor that can reduce measurement errors of the position or speed of each part of the moving handrail even when the surface of the moving handrail has deteriorated over time.
A moving handrail has a state detecting means including a radiation detector for detecting a state of a steel cord embedded in a moving handrail and a light receiving unit. The moving handrail is attached to the state detecting means. Included in the personal computer 5, a roller 6 d that contacts the moving handrail 2, and rotates with the movement or relative movement of the moving handrail 2, a wireless optical mouse 6 a that is attached to the state detection means and detects the rotational displacement amount of the roller 6 d, A configuration provided with collation means for collating the state detection result of the state detection means with the state detection result of the wireless optical mouse 6a and performing a process of continuously joining the state detection results of the light receiving units 3 selected by this collation It is.
[Selection] Figure 2

Description

  The present invention relates to a moving handrail flaw detector for a passenger conveyor used for diagnosing internal deterioration of a moving handrail provided in a passenger conveyor such as an escalator or a moving walkway.

  In general, a passenger conveyor is provided with a step of moving with passengers and a moving handrail moving in synchronization with this step, and a steel cord serving as a tensile body is embedded in the moving handrail. The steel cord in the moving handrail may be damaged over time and may cause a problem of popping out on the surface of the moving handrail. For this reason, the status of the steel cord is regularly diagnosed.

  As this diagnostic method, there is conventionally known a method of irradiating a moving handrail with X-rays to acquire a translucent image inside the moving handrail and diagnosing a damaged state of the steel cord based on the acquired image (patent) Reference 1).

  By the way, in the above-described diagnosis method, it is impossible to determine which part of the moving handrail is damaged unless the position or speed information of each part of the moving handrail is compared with the above-described image.

  Conventionally, as a method for obtaining speed information of a moving handrail, an apparatus has been proposed that detects the orthogonal coordinates or polar coordinates of the moving handrail using optical means, and simultaneously detects the moving speed and the speed fluctuation based on the amount of movement. (See Patent Document 2).

JP 2005-126175 A JP 2004-361328 A

  In the prior art disclosed in Patent Document 2 described above, an optical mouse position sensor is brought into contact with a moving handrail and the amount of movement of the moving handrail is detected as a coordinate. However, in this method, a measurement error is caused by the state of the surface of the moving handrail. There is a problem that appears. In particular, when the surface of the moving handrail is cracked or missing due to aging, the measurement error of the optical mouse position sensor becomes large. Therefore, it is difficult to accurately detect the position or speed of each part of the moving handrail.

  The present invention has been made from the above-described prior art, and its purpose is to reduce the measurement error of the position or speed of each part of the moving handrail even when the surface of the moving handrail has deteriorated over time. An object of the present invention is to provide a movable handrail flaw detector for a passenger conveyor.

  To achieve the above object, the present invention provides a moving handrail flaw detector for a passenger conveyor having a state detecting means for detecting a state of a steel cord embedded in a moving handrail, attached to the state detecting means, A roller disposed so as to abut on the moving handrail and rotating in accordance with the movement or relative movement of the moving handrail; an optical detecting means attached to the state detecting means; and detecting a rotational displacement amount of the roller; Collating means for collating the state detection result by the state detecting means with the state detection result by the optical detecting means, and performing a process of continuously joining the state detection results by the state detecting means selected by the collation; It is characterized by having.

  In the present invention configured as described above, the roller and the optical detection unit are both attached to the state detection unit, and the roller and the optical detection unit are integrated with the movement or relative movement of the state detection unit with respect to the moving handrail. , And the detection of the rotational displacement amount of the roller by the optical detection means accompanying the rotation of the roller on the moving handrail, the influence of the above-mentioned aging deterioration of the surface of the moving handrail is suppressed, and the moving handrail is suppressed. The measurement error of the position or speed of each part can be reduced.

  In the present invention, the optical detection means comprises an optical mouse mounted on a mouse base. The auxiliary roller for preventing the mouse base from contacting the moving handrail. It is characterized by providing. The present invention configured as described above can prevent the handrail from being damaged by the contact of the mouse base.

  The present invention is a roller attached to a state detecting means for detecting the state of a steel cord embedded in a moving handrail, arranged so as to abut on the moving handrail, and rotating with movement or relative movement of the moving handrail. And the optical detection means attached to the state detection means for detecting the rotational displacement amount of the roller, the state detection result by the state detection means and the state detection result by the optical detection means are collated and selected by this collation Collating means for performing a process of continuously joining the state detection results of the state detecting means, and the optical detecting means detects the position or speed of each part of the moving handrail through the rotation of the roller on the moving handrail. It is. Therefore, the influence of aging of the surface of the moving handrail is suppressed by the rotation of the roller, and the measurement error of the position or speed of each part of the moving handrail can be reduced. As a result, even if the surface of the moving handrail has deteriorated over time, the position or speed of each part of the moving handrail can be accurately detected, and the damaged portion of the steel cord embedded in the moving handrail can be detected by the state detecting means. It can be detected with higher accuracy than in the past.

It is a side view which shows one Embodiment of the moving handrail flaw detector of the passenger conveyor which concerns on this invention. It is a side view which shows the optical mouse for distance measurement with which this embodiment is equipped. It is a figure which shows the processing content of the collation means contained in the personal computer with which this embodiment is equipped.

  DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of a moving handrail flaw detector for passenger conveyors according to the present invention will be described based on the drawings.

  FIG. 1 is a side view showing an embodiment of a moving handrail flaw detector for a passenger conveyor according to the present invention.

The moving handrail flaw detector according to this embodiment is, for example, an X-ray flaw detector, and a radiation generator 1 that is an X-ray generation source and a light receiving unit that receives X-ray transmitted light emitted from the radiation generator 1 3
And. The radiation generator 1 and the light receiving unit 3 are arranged integrally with each other so as to sandwich the moving handrail 2 of the passenger conveyor, and constitute state detecting means for detecting the state of the steel cord embedded in the moving handrail 2 is doing.

  Inside the light receiving unit 3, fluorescent paper, that is, a scintillator 3a, a reflection plate 3b that reflects a transmission image of the scintillator 3a, and a camera 3c that captures an image from the reflection plate 3b are arranged.

  In addition, the present embodiment includes a video capture 4 that converts an image captured by the camera 3c into digital, and a personal computer 5 that stores the image converted by the video capture 4.

  Furthermore, in the present embodiment, a later-described roller 6d that is attached to, for example, the light receiving unit 3 constituting the state detection unit, contacts the moving handrail 2 and rotates with the movement or relative movement of the moving handrail 2, and the light receiving unit 3 The optical detection means for detecting the rotational displacement amount of the roller 6d, for example, the wireless optical mouse 6a described later, and the state detection result of the light receiving unit 3 and the state detection of the wireless optical mouse 6a are included in the personal computer 5 described later. A collating unit that collates the results and performs a process of continuously joining the state detection results of the light receiving units 3 selected by the collation. The roller 6 d and the wireless optical mouse 6 a are included in the distance measuring optical mouse 6 attached to the light receiving unit 3.

  FIG. 2 is a side view showing the optical mouse for distance measurement provided in this embodiment.

  As shown in FIG. 2, the distance measuring optical mouse 6 is bonded to the light receiving unit 3 with the mouse base 6b to which the roller 6d described above is attached, the wireless optical mouse 6a mounted on the mouse base 6b, and the light receiving unit 3. And a link 6f having one end rotatably connected to the magnet 6f and the other end rotatably connected to the mouse base 6b. The distance measuring optical mouse 6 is provided at each of both ends of the mouse base 6b, and the mouse base 2 is in contact with the moving handrail 2 while the roller 6d is placed on the moving handrail 2. An auxiliary roller 6c for preventing and a fixed cover 6e for restricting the wireless optical mouse 6a from protruding upward are provided. The roller 6d is made of, for example, metal, and has a rough finishing process for securing a frictional force with the moving handrail 2 on the surface. The distance between the roller 6d and the mouse base 6b is set as small as possible.

  When detecting the state of the steel cord inside the moving handrail 2, for example, the state detecting means including the radiation generator 1 and the light receiving unit 3 is moved with respect to the stationary moving handrail 2. By irradiating the moving handrail 2 with X-rays from the radiation generator 1, an image inside the moving handrail 2 is obtained via the scintillator 3a, the reflector 3b, the camera 3c, and the video capture 4 of the light receiving unit 3. The image is stored as a transparent image of the personal computer 5.

  Further, the roller 6d rotates on the moving handrail 2 following the movement of the state detecting means described above, and at the same time, the wireless optical mouse 6a moves. Thereby, the moving distance of the optical mouse 6 for distance measurement, that is, the moving distance of the state detecting means including the radiation generator 1 and the light receiving unit 3 is measured, and this moving distance is transmitted from the wireless optical mouse 6 to the personal computer 5. 5 is stored as movement distance data.

  FIG. 3 is a diagram showing the processing contents of the collating means included in the personal computer provided in this embodiment.

  In FIG. 3, 7 is a moving image in the moving handrail 2, 7a to 7f are still images formed by converting the moving image, 8 is a moving distance data group of the wireless optical mouse 6a, and 8a to 8f. 8f is divided data obtained by dividing the moving distance data group 8 for each record, 9 is a panoramic image, and the panoramic image 9 is obtained by collating the still images 7a to 7f and the moving distance data groups 8a to 8f. is there.

  The transparent moving image 7 in the moving handrail 2 is divided into still images 7a to 7f one by one as described above, and time from the start of recording is given to these still images 7a to 7f. The time given in this way is shown as 0 s (seconds) to 0.5 s (seconds) in the lower stage of each of the still images 7a to 7f in FIG. Similarly, the moving distance data group 8 detected by the wireless optical mouse 6a is given time from the start of recording for each of the divided data 8a to 8f divided into one record. The time given in this way is shown as 0 s (seconds) to 0.5 s (seconds) in the lower part of the divided data 8a to 8f in FIG. In the movement distance data groups 8a to 8f, the relative movement distance of 1 to 3 mm between each part of the moving handrail 2 and the wireless optical mouse 6a is shown.

  The panorama image 9 is created by taking out and arranging the still images 7a to 7f corresponding to the divided data 8a to 8f. That is, 8b, 8e, and 8f of the moving distance data groups 8a to 8f indicate that the moving handrail 2 has not moved from the previous time, so that the still image 7b recorded at that time is recorded. 7e and 7f are deleted. A continuous panoramic image 9 is created by joining the remaining still images 7a, 7c, and 7d.

  When an operator tries to detect the state of the steel cord embedded in the moving handrail 2 by manually moving the state detecting means including the radiation generator 1 and the light receiving unit 3, the moving speed is set as follows. It cannot be kept constant. Accordingly, when the captured moving images are pasted one by one, they are duplicated and the state of the steel cord in the moving handrail 2 cannot be displayed correctly. However, in the present embodiment, an X-ray transmission image is taken with the movement of the distance measuring optical mouse 6 attached to the state detecting means, and a panoramic image 9 is created as shown in FIG. Even when the operator moves the state detection means at an irregular speed and performs the work, the entire state of the steel cord in the moving handrail 2 can be easily grasped.

  Note that the movement distance error when creating the panorama image 9 is limited so that the operator moves a predetermined distance, and the movement distance output by the wireless optical mouse 6a is calculated backward by this predetermined distance. By performing the correction, the error can be reduced and the measurement accuracy can be increased.

  According to this embodiment configured as described above, both the roller 6d and the wireless optical mouse 6a are attached to the state detecting means including the radiation generator 1 and the light receiving unit 3 via the link 6f or the like, and the roller 6a The wireless optical mouse 6a displaces integrally with the movement of the state detecting means relative to the moving handrail 2, and the rotational displacement of the roller 6a by the wireless optical mouse 6a as the roller 6d rotates on the moving handrail 2. By detecting the amount and setting the distance between the mouse base 6b and the roller 6d to be extremely small, the influence of the aging deterioration of the surface of the moving handrail 2 can be suppressed, and the measurement error of the position of each part of the moving handrail 2 can be reduced. The position of each part of the movable handrail 2 can be accurately detected. Therefore, even when the surface of the moving handrail 2 has deteriorated over time, the damaged portion of the steel cord embedded in the moving handrail 2 can be detected with high accuracy by the state detecting means. In the above description, the position of each part of the moving handrail 2 is measured. However, the speed of each part of the moving handrail 2 may be measured.

  Further, in the present embodiment, the fixed cover 6e restricts the wireless optical mouse 6a from projecting upward, and the surface of the roller 6d made of metal is rough-finished. Since it is possible to rotate the mouse 6a in close contact with the mouse 6a, it is possible to finely set a recognition pattern when the movement distance is detected by the wireless optical mouse 6a, and to improve the output accuracy of the movement distance.

  Further, since the auxiliary rollers 6c are provided at both ends of the mouse base 6b, it is possible to prevent the moving handrail 2 from being damaged by the contact of the mouse base 6b, and to realize a highly reliable moving handrail flaw detector.

  In addition, since the wireless optical mouse 6a that is small and can be obtained at low cost is provided, it is possible to reduce the manufacturing cost and downsize the moving handrail flaw detector.

  Further, since the panorama image 9 can be created by the verification means included in the personal computer 5 as shown in FIG. 3, the steel cord deterioration state can be more easily determined, and the deteriorated steel cord can be replaced at an appropriate time.

  In the above-described embodiment, the magnet 6g provided at the end of the link 6f is bonded to the light receiving unit 3, but it may be bonded to the radiation generator 1 instead.

  In the above description, when detecting the state of the steel cord inside the moving handrail 2, the state detecting means composed of the radiation generator 1 and the light receiving unit 3 is moved. Detection may be performed by moving the moving handrail 2 in a stationary state.

  Moreover, although the said embodiment was comprised by X flaw detector, it can also be comprised by a magnetic flaw detector etc.

DESCRIPTION OF SYMBOLS 1 Radiation generator 2 Moving handrail 3 Light receiver 5 Personal computer 6 Optical mouse for distance measurement 6a Wireless optical mouse (optical detection means)
6b Mouse base 6c Auxiliary roller 6d Roller 6f Link 7 Transparent moving image 7a-7f Still image 8 Moving distance data group 8a-8f Division data 9 Panoramic image

Claims (2)

  1. In the moving handrail flaw detector of the passenger conveyor having a state detecting means for detecting the state of the steel cord embedded in the moving handrail,
    A roller attached to the state detection means and arranged so as to contact the moving handrail, and rotating with the movement or relative movement of the moving handrail, and a rotational displacement amount of the roller attached to the state detection means Optical detection means for detecting the state detection result, the state detection result by the state detection means and the state detection result by the optical detection means are collated, and the state detection results of the state detection means selected by this collation are continuously A moving handrail flaw detector for a passenger conveyor, comprising: a collating means for performing a process of joining to the passenger conveyor.
  2. The moving handrail flaw detector for a passenger conveyor according to claim 1,
    The optical detection means comprises an optical mouse mounted on a mouse base,
    A moving handrail flaw detector for a passenger conveyor, wherein the mouse base is provided with an auxiliary roller for preventing the mouse base from contacting the moving handrail.
JP2010096955A 2010-04-20 2010-04-20 Passenger conveyor handrail flaw detector Active JP4982585B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2010096955A JP4982585B2 (en) 2010-04-20 2010-04-20 Passenger conveyor handrail flaw detector

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Application Number Priority Date Filing Date Title
JP2010096955A JP4982585B2 (en) 2010-04-20 2010-04-20 Passenger conveyor handrail flaw detector
CN 201110100526 CN102234060B (en) 2010-04-20 2011-04-19 Mobile armrest flaw detection device of passenger conveyer
HK12103247A HK1162440A1 (en) 2010-04-20 2012-04-02 A moving handrail defect detector of passenger conveyer

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JP2011225333A true JP2011225333A (en) 2011-11-10
JP4982585B2 JP4982585B2 (en) 2012-07-25

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014012577A (en) * 2012-07-04 2014-01-23 Hitachi Building Systems Co Ltd Moving handrail flaw detection device for passenger conveyor
JP2014152001A (en) * 2013-02-07 2014-08-25 Hitachi Building Systems Co Ltd Flaw detection device for moving handrail of passenger conveyor

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5566419B2 (en) * 2012-05-09 2014-08-06 株式会社日立ビルシステム Moving handrail deterioration diagnosis device and deterioration diagnosis method
JP6307012B2 (en) * 2014-11-05 2018-04-04 株式会社日立ビルシステム Mobile handrail deterioration diagnosis device

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JPH09328281A (en) * 1996-06-11 1997-12-22 Hitachi Elevator Eng Co Ltd Passenger conveyer handrail belt speed detector
JPH11331833A (en) * 1998-05-15 1999-11-30 Hitachi Ltd Wide visual field monitoring camera system
JP2000219472A (en) * 1999-01-28 2000-08-08 Hitachi Building Systems Co Ltd Passenger conveyor handrail damage detecting device
JP2001019338A (en) * 1999-07-09 2001-01-23 Hitachi Ltd Man conveyor monitoring control device
JP2003104676A (en) * 2001-09-28 2003-04-09 Toshiba Elevator Co Ltd Handrail belt speed detector
JP2004361328A (en) * 2003-06-06 2004-12-24 Hitachi Building Systems Co Ltd Diagnostic method and device for operation of moving object
JP2005126175A (en) * 2003-10-22 2005-05-19 Hitachi Building Systems Co Ltd Diagnosing device for escalator handrail
JP2006298537A (en) * 2005-04-19 2006-11-02 Mitsubishi Electric Building Techno Service Co Ltd Moving handrail speed detecting roller device for passenger conveyor
JP2009254860A (en) * 2001-07-25 2009-11-05 Gendex Corp Real-time digital x-ray imaging apparatus
JP2010034739A (en) * 2008-07-28 2010-02-12 Fujitsu Ltd Panoramic photography device and method, and camera unit loaded with panoramic photography device

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JP5156438B2 (en) * 2008-03-06 2013-03-06 三菱電機ビルテクノサービス株式会社 Escalator system

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Publication number Priority date Publication date Assignee Title
JPH09328281A (en) * 1996-06-11 1997-12-22 Hitachi Elevator Eng Co Ltd Passenger conveyer handrail belt speed detector
JPH11331833A (en) * 1998-05-15 1999-11-30 Hitachi Ltd Wide visual field monitoring camera system
JP2000219472A (en) * 1999-01-28 2000-08-08 Hitachi Building Systems Co Ltd Passenger conveyor handrail damage detecting device
JP2001019338A (en) * 1999-07-09 2001-01-23 Hitachi Ltd Man conveyor monitoring control device
JP2009254860A (en) * 2001-07-25 2009-11-05 Gendex Corp Real-time digital x-ray imaging apparatus
JP2003104676A (en) * 2001-09-28 2003-04-09 Toshiba Elevator Co Ltd Handrail belt speed detector
JP2004361328A (en) * 2003-06-06 2004-12-24 Hitachi Building Systems Co Ltd Diagnostic method and device for operation of moving object
JP2005126175A (en) * 2003-10-22 2005-05-19 Hitachi Building Systems Co Ltd Diagnosing device for escalator handrail
JP2006298537A (en) * 2005-04-19 2006-11-02 Mitsubishi Electric Building Techno Service Co Ltd Moving handrail speed detecting roller device for passenger conveyor
JP2010034739A (en) * 2008-07-28 2010-02-12 Fujitsu Ltd Panoramic photography device and method, and camera unit loaded with panoramic photography device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014012577A (en) * 2012-07-04 2014-01-23 Hitachi Building Systems Co Ltd Moving handrail flaw detection device for passenger conveyor
JP2014152001A (en) * 2013-02-07 2014-08-25 Hitachi Building Systems Co Ltd Flaw detection device for moving handrail of passenger conveyor

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CN102234060B (en) 2013-12-25
HK1162440A1 (en) 2014-07-04
CN102234060A (en) 2011-11-09
JP4982585B2 (en) 2012-07-25

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