WO2020245942A1 - Dispositif de sûreté pour transporteur de passagers - Google Patents

Dispositif de sûreté pour transporteur de passagers Download PDF

Info

Publication number
WO2020245942A1
WO2020245942A1 PCT/JP2019/022351 JP2019022351W WO2020245942A1 WO 2020245942 A1 WO2020245942 A1 WO 2020245942A1 JP 2019022351 W JP2019022351 W JP 2019022351W WO 2020245942 A1 WO2020245942 A1 WO 2020245942A1
Authority
WO
WIPO (PCT)
Prior art keywords
falling
moving
passenger conveyor
control device
moving passage
Prior art date
Application number
PCT/JP2019/022351
Other languages
English (en)
Japanese (ja)
Inventor
純平 端
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 PCT/JP2019/022351 priority Critical patent/WO2020245942A1/fr
Publication of WO2020245942A1 publication Critical patent/WO2020245942A1/fr

Links

Images

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
    • B66B31/00—Accessories for escalators, or moving walkways, e.g. for sterilising or cleaning

Definitions

  • the present invention relates to a safety device for a passenger conveyor.
  • Japanese Patent Application Laid-Open No. 2008-100814 describes an escalator monitoring device that acquires an image captured by a camera and monitors the escalator.
  • the camera of this monitoring device is installed so that a part or all of the escalator is included in the imaging area, and continuously photographs the escalator in operation.
  • the images captured by the camera are sequentially transmitted to the monitoring device.
  • the monitoring device detects the movement of the object on the step of the escalator by analyzing the received image. Further, in this monitoring device, when an abnormal movement such as a fall is detected from the movement of the detected object, the escalator is stopped and a warning sound or a warning message is displayed to give a warning.
  • Japanese Real Kaihei No. 5-81174 describes an escalator in which a plurality of photoelectric devices are installed in a parapet. More specifically, two photoelectric devices are arranged in the vertical direction of the balustrade, and a plurality of photoelectric devices are arranged in the longitudinal direction.
  • this escalator by installing two light emitting devices in the vertical direction of the balustrade, a fall on the step of the passenger is detected, and when the fall is detected, the passenger conveyor is stopped.
  • the movement of a person is monitored, and when a person's fall is detected, measures such as stopping the escalator are taken.
  • measures such as stopping the escalator are taken.
  • the fall movement of a moving object is monitored, but it is not distinguished whether the moving object is an object or a person, and there is no description about the fall of the object. ..
  • a measure is taken to immediately stop the escalator.
  • the present invention has been made to solve the above-mentioned problems, and is an improved passenger conveyor capable of detecting a fall of a falling object on a moving passage of a passenger conveyor and stopping the fall more reliably.
  • the purpose is to provide a safety device for.
  • the passenger conveyor safety device of the present invention includes a detection device, a regulation member, and a control device.
  • the detection device detects an object on the moving passage of the passenger conveyor.
  • the restricting member is displaced between the storage position and the restricting position to stop the falling of the object on the moving aisle when in the restricting position.
  • the control device is communicably connected to each of the detection device and the regulation member. Further, the control device is configured to detect a falling object falling on the moving passage based on the output of the detecting device, and when the falling object is detected, the regulating member is displaced to the regulated position.
  • the regulating member when a falling object is detected on the moving passage of the passenger conveyor, the regulating member is activated, so that the falling portion can be suppressed from falling.
  • FIG. It is a figure which shows typically the whole structure of the safety device of the passenger conveyor which concerns on Embodiment 1.
  • FIG. It is a figure which shows typically the regulation member of the passenger conveyor which concerns on Embodiment 1.
  • FIG. It is a block diagram which shows the function of the control device of the safety device of the passenger conveyor which concerns on Embodiment 1.
  • FIG. It is a figure for demonstrating the detection of the falling object based on the output of the sensor 2 of Embodiment 1.
  • FIG. It is a flowchart which shows the control which the control device of Embodiment 1 executes. It is a figure which shows typically the state which the falling object is stopped by the regulation member of Embodiment 1.
  • FIG. 1 is a diagram schematically showing an overall configuration of a passenger conveyor according to a first embodiment.
  • the passenger conveyor of FIG. 1 is an escalator 1.
  • FIG. 1 schematically shows a cross section of the escalator 1 along the moving direction.
  • the passenger conveyor safety device described in the first embodiment is not limited to the escalator 1, and can be similarly applied to other passenger conveyors such as moving walkways.
  • the escalator 1 is provided across different floors of the building.
  • the escalator 1 is a transport device that carries a user on a step 13 that moves between an upper entrance / exit 11 provided on the upper floor side and a lower entrance / exit 12 provided on the lower floor side.
  • the upper entrance / exit 11 and the lower entrance / exit 12 are connected by a moving passage through which a plurality of steps 13 move.
  • a pair of skirts 15 and a railing 14 provided with a moving handrail are arranged on both sides of the moving passage.
  • the passenger conveyor safety device of the present embodiment includes a plurality of sensors 2, a camera 3, a regulating member 4, and a control device 5.
  • the sensors 2 are arranged at a plurality of different positions in the vertical direction and a plurality of different positions in the longitudinal direction on the surface of the balustrade 14 or the skirt 15 of the escalator 1 on the moving passage side.
  • the sensor 2 is a transmissive or reflective photoelectric sensor having a light emitting unit and a light receiving unit.
  • the sensor 2 senses the presence or absence of an object based on the state of light transmission or shading from the light emitting unit.
  • Each sensor 2 is installed so that its detection area is parallel to the tread surface of step 13 and perpendicular to the moving direction from the installation position of the sensor 2.
  • the sensors 2 are arranged in three rows of x, y, and z in parallel with the moving direction of the escalator 1.
  • Each of the x, y, and z columns has the same height from the tread surface in step 13.
  • the number of vertical sensors 2 installed (that is, the number of rows) is not limited to 3, but at least two rows are required to distinguish and detect objects on the moving passage for adults, children, and luggage of passengers. , More preferably the sensors are arranged in three rows.
  • the number of sensors 2 installed in the longitudinal direction is not particularly limited. In the example of FIG. 1, the sensors 2 are installed at the same intervals as the width of each step 13 in the moving direction.
  • the camera 3 is installed above the moving passage of the escalator 1.
  • the camera 3 is arranged so that the entire or a part of the moving passage is accommodated in the imaging region.
  • the camera 3 does not include the entire moving passage in the imaging area, it is desirable that the camera 3 is installed so that at least the portion including the end on the upper floor side is included in the imaging area.
  • the camera 3 starts imaging when it receives a signal for starting operation of the escalator 1, and captures images at regular intervals.
  • the captured image data is transmitted to the control device 5 described later.
  • the regulation member 4 is installed on the escalator 1.
  • FIG. 2 shows the configuration of the regulating member 4.
  • a plurality of regulating members 4 are installed on each of the pair of skirts 15 on both sides of the moving passage of the escalator 1 at substantially equal intervals from the upper floor side to the lower floor side.
  • the regulating member 4 is a plate-shaped member for receiving a falling object and stopping the falling object. Therefore, the regulating member 4 is made of a material having both strength and lightness. As a result, both the strength to receive the slipping luggage and the lightness to prevent the passengers from being injured even if the passengers accidentally collide are ensured.
  • the regulation member 4 has a plate-shaped portion 41 and a fixing portion 42.
  • the regulation surface 40 surrounded by a pair of long sides parallel to the moving direction and a pair of short sides perpendicular to the long sides abuts on the side surface of the skirt 15. It is arranged like this.
  • the regulation surface 40 is fixed at a position perpendicular to the moving direction with the pair of long sides parallel to the tread surface of the step 13.
  • the plate-shaped portion 41 is supported by being fixed by a fixing portion 42 so that one side of the pair of short sides of the regulation surface 40 on the lower floor side can rotate 90 degrees.
  • the plate-shaped portion 41 is displaced between the above-mentioned storage position and the regulation position.
  • the plate-shaped portion 41 cannot rotate more than 90 degrees.
  • an actuator is connected to the regulation member 4.
  • the actuator is connected to a control device 5 described later, and a plate-shaped portion 41 of the regulation member 4 is displaced from the storage position to the regulation position by a control signal from the control device 5.
  • the regulation member 4 includes a limit switch 43 installed on the skirt 15.
  • the regulation surface 40 of the plate-shaped portion 41 is in contact with the limit switch 43 under normal conditions.
  • the limit switch 43 detects an operation abnormality of the regulation member 4 when there is no contact with the regulation surface 40.
  • Lighting 44 is installed on the inside of the regulation member 4 of the skirt 15.
  • the illumination 44 is turned on automatically or by a control signal when the regulation member 4 is displaced to the regulation position.
  • a buzzer or the like for notifying the operation notice of the regulating member 4 may be installed around the regulating member 4.
  • a display screen or the like may be installed around the regulating member 4 to display an operation notice when the regulating member 4 is displaced to the regulated position.
  • FIG. 3 is a block diagram illustrating the function of the control device 5.
  • the control device 5 is connected to the plurality of sensors 2, the camera 3, the limit switch 43, and the like described above, and acquires necessary information from these sensors and the like. Further, the control device 5 is connected to the drive device 6 for moving the step 13 of the escalator 1 and the actuator of the regulation member 4, and by transmitting these control signals, the drive of the escalator and the operation of the regulation member are controlled. ..
  • the memory of the control device 5 stores data on the floor height of the escalator 1 and the presence / absence of the fall prevention function, and based on these data, the number of sensors 2 and the number of installation of the regulating member 4 are determined. It is automatically calculated and recorded as a parameter.
  • the control device 5 detects the presence or absence of an object on step 13 based on the output of the sensor 2 which is a detection device and the image transmitted from the camera 3, monitors the movement of the object, and drops the load (hereinafter, “falling”). Also called "object”) is detected.
  • the sensors 2 correspond to each step 13 and are arranged in three rows of x, y, and z having different heights, and each of them is a horizontal object in a plane perpendicular to the moving direction. Sensing the presence or absence.
  • the detection / non-detection information of the object acquired by each sensor 2 is transmitted to the control device 5. That is, each sensor 2 can confirm the presence / absence of an object at three points having different heights on each step 13. For example, if an object is detected in all rows of x, y, and z, the object is presumed to be an adult. If an object is detected in y and z and no object is detected in column x, the object is presumed to be a child. If an object is detected in the z column and no object is detected in the x and y columns, the object is presumed to be a baggage.
  • the detection results of the x, y, and z columns in which the object is detected change in synchronization with the movement of the escalator, it is determined to be in the normal state. More specifically, for example, in FIG. 4, in the case of movement from the lower floor to the upper floor side, after only the sensor 2z_n in the nth z-th row detects an object, n in synchronization with the movement of the escalator. When the + 1st sensor 2z_n + 1 in the same row detects an object and the nth sensor 2z_n no longer detects an object, it is determined to be in a normal state.
  • the detection / non-detection switching speed of the z-row sensor 2 that is, the movement speed of the luggage is not synchronized with the movement of the escalator, it is expected to be in an abnormal state.
  • the nth sensor 2z_n in the z row is detected, the n-1st sensor 2z in the z row is switched to detection, and the switching speed is equal to or higher than the threshold value H, the control device 5 , Judge that the luggage has slipped off.
  • the threshold value H is a value that is larger than the moving speed of step 13 and is near the lower limit of the speed range assumed for sliding down, is determined in advance by experiments, simulations, or the like, and is stored in the control device 5.
  • control device 5 compares the images transmitted from the camera 3 in the order of the imaging cycle, detects the region where the image is changing, and sets the region where the moving object (subject) is captured as the moving region. To detect. Since the specific processing for detecting an object and a moving region from a plurality of images acquired continuously is well known, detailed description thereof will be omitted.
  • the control device 5 calculates the speed and direction of the moving body by dividing the moving amount of the moving body detected by the image analysis by the image shooting cycle. The control device 5 can also detect the fall of a falling object.
  • the control device 5 determines that the falling object has fallen. to decide.
  • the control executed by the control device 5 includes a control for stopping the falling object by the regulating member 4 when the falling object is detected. This will be described below.
  • FIG. 5 is a flowchart for explaining a control routine executed by the control device. The routine of FIG. 5 is repeatedly executed at regular control intervals.
  • step S1 the state of the escalator 1 is first confirmed in step S1, and as a result of the confirmation, if the escalator 1 is not in operation, the current routine ends as it is. On the other hand, if the escalator 1 is in operation, the process proceeds to step S2.
  • step S2 the presence or absence of a falling object is confirmed on step 13. That is, it is determined whether or not there is a load falling at a moving speed equal to or higher than the threshold value H on step 13.
  • the method of detecting the luggage moving on step 13 and the moving speed is as described above.
  • a process defined by another control such as stopping the escalator 1 is executed. Will be done. Detailed description of the processing in this case will be omitted.
  • step S2 If it is determined in step S2 that there is no baggage moving at a speed equal to or higher than the threshold value H, this process ends as it is. On the other hand, if it is determined in step S2 that there is a load moving at a speed equal to or higher than the threshold value H, the process proceeds to step S3.
  • step S3 it is determined that an abnormality has been detected, and the escalator 1 is stopped.
  • the control device 5 transmits a control signal to the drive device 6 to stop the movement of the step 13 and the moving handrail.
  • step S4 the arrival time at the i-th regulatory member 4 is calculated from the detection position of the fallen object detected in step S2, counting from the lower floor side.
  • step S5 the arrival time calculated in step S4 is compared with the operating time of the regulating member 4.
  • the operating time is the time required for the regulation member 4 to be displaced from the storage position to the regulation position, and is measured or calculated in advance and recorded in the control device 5.
  • step S5 When it is determined in the process of step S5 that the arrival time at the i-th regulatory member is shorter than the operating time, that is, it is expected that the falling object will reach the regulatory member 4 before the regulatory member 4 operates. If so, the process proceeds to step S6. In step S6, 1 is added to the counter i. After that, the process returns to step S4, and the arrival time of the falling object to the regulation member 4 on the i-th lower floor side after incrementing from the falling object detection position is calculated. The processes of steps S4 to S6 are repeatedly executed while shifting the calculation target to the regulation member 4 on the lower floor side one by one until the arrival time is determined to be larger than the operation time.
  • step S5 If it is determined as a result of the process of step S5 that the arrival time is longer than the operation time, the process proceeds to S7, and it is confirmed whether or not there is an object at the position where the current i-th regulatory member 4 is located. This process is determined based on the output of the sensor 2 or the image of the camera 3 in which the operating range of the i-th regulating member 4 is included in the detection area.
  • step S7 If it is determined by the process of step S7 that there is an object in the operating range of the regulating member 4, the process proceeds to step S8, i is incremented, and then the process of step S7 is executed again. That is, it is determined whether or not there is an object in the next operating range of the regulating member 4. As a result, the presence or absence of an object in the operating range of the regulating member 4 is confirmed while shifting the confirmation target to the lower floor side until the regulating member 4 in which the object does not exist in the operating range is found.
  • step S7 If it is determined by the process of step S7 that there is no object in the operating range of the i-th regulating member 4, the process proceeds to step S9, and the control device 5 is the i-th regulating member on the lower floor side from the drop detection position. A control signal for operating 4 is transmitted to displace the regulating member 4 to the regulated position. As a result, as shown in FIG. 6, the falling object 7 is stopped by the regulation member 4 displaced to the regulation position. At the same time as this process, for example, a process of notifying the operation of the regulation member 4 by turning on the lighting 44 or voice guidance may be performed. After that, this process ends. Here, if the i-th regulating member 4 does not exist, the regulating member 4 is not operated.
  • the process of the present embodiment by installing the sensors 2 in a plurality of rows, it is possible to detect a falling object after distinguishing between a person and a luggage. Further, the regulation member 4 to be operated according to the falling speed of the falling object is selected, and the selected regulation member 4 is operated. As a result, the falling object can be reliably stopped.
  • the operation of the regulation member 4 is notified by the illumination 44 or voice. This makes it possible to avoid the risk of the regulating member 4 colliding with the passenger.
  • the passenger conveyor is the escalator 1
  • the present invention is not limited to this, and the passenger conveyor may be any one that moves passengers from the entrance to the exit by a moving passage, for example. , It may be a moving walkway, etc.
  • the photoelectric sensor is used as the sensor 2
  • the present invention is not limited to this, and another sensor may be used as long as it can detect a person or an object in step 13.
  • the placement and number of sensors installed is determined based on the detection area of the sensor used.
  • the present invention is not limited to this, and a falling object and its falling speed may be detected by using only one of the camera 3 and the sensor 2.
  • the detection device may be composed of only one of the sensor 2 and the camera 3.
  • the configuration of the regulating member 4 is not limited to the configuration described in the present embodiment, and the regulating member 4 can be stored in a storage position that does not hinder the movement of an object under normal conditions, and is displaced to the regulated position at the regulated position. Anything that can catch falling objects will do.
  • the installation position of the regulation member 4 is not limited to the case where it is installed on each of the pair of skirts 15, and it may be installed at an appropriate position according to the configuration and operation of the regulation member 4. Therefore, for example, the regulating member 4 may be installed on only one of the pair of skirts 15, and the regulating member 4 may be installed on each or one of the pair of balustrades 14.

Landscapes

  • Escalators And Moving Walkways (AREA)

Abstract

La présente invention concerne un dispositif de sûreté destiné à un transporteur (1) de passagers et comportant des détecteurs (2, 3), un élément (4) d'arrêt, et un moyen (5) de commande. Les détecteurs (2, 3) détectent des objets au-dessus d'un trajet de déplacement du transporteur (1) de passagers. L'élément (4) d'arrêt translate entre une position rétractée et une position d'arrêt, et, lorsqu'il est dans la position d'arrêt, bloque la chute d'objets situés au-dessus du trajet de déplacement. Le moyen (5) de commande est relié d'une manière permettant la communication à chacun des détecteurs (2, 3) et à l'élément (4) d'arrêt. De plus, le moyen (5) de commande est configuré pour détecter, sur la base de la sortie des détecteurs, des objets tombant sur le trajet de déplacement, et faire passer l'élément (4) d'arrêt à la position d'arrêt lorsqu'un objet tombant est détecté.
PCT/JP2019/022351 2019-06-05 2019-06-05 Dispositif de sûreté pour transporteur de passagers WO2020245942A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP2019/022351 WO2020245942A1 (fr) 2019-06-05 2019-06-05 Dispositif de sûreté pour transporteur de passagers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2019/022351 WO2020245942A1 (fr) 2019-06-05 2019-06-05 Dispositif de sûreté pour transporteur de passagers

Publications (1)

Publication Number Publication Date
WO2020245942A1 true WO2020245942A1 (fr) 2020-12-10

Family

ID=73651987

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2019/022351 WO2020245942A1 (fr) 2019-06-05 2019-06-05 Dispositif de sûreté pour transporteur de passagers

Country Status (1)

Country Link
WO (1) WO2020245942A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04354791A (ja) * 1991-05-30 1992-12-09 Toshiba Corp マンコンベアの安全装置
US20160272467A1 (en) * 2014-02-16 2016-09-22 Amir Hussein GHADAMOSSOLTANI Intelligent Escalator Emergency Stop System (IE2S2)
JP2019018948A (ja) * 2017-07-13 2019-02-07 有限会社ビッグ・モデル エスカレータ用安全装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04354791A (ja) * 1991-05-30 1992-12-09 Toshiba Corp マンコンベアの安全装置
US20160272467A1 (en) * 2014-02-16 2016-09-22 Amir Hussein GHADAMOSSOLTANI Intelligent Escalator Emergency Stop System (IE2S2)
JP2019018948A (ja) * 2017-07-13 2019-02-07 有限会社ビッグ・モデル エスカレータ用安全装置

Similar Documents

Publication Publication Date Title
JP5089304B2 (ja) エスカレーターの安全装置
CN108698802B (zh) 用于控制运输设备、即自动扶梯或自动人行步道的方法
JP5917327B2 (ja) エスカレータ監視システム
SG188040A1 (en) Controller for elevator
KR101622825B1 (ko) 무게감지센서 및 변속수단을 구비한 에스컬레이터의 안전운행시스템
JP6066774B2 (ja) 乗客コンベア
US20110094832A1 (en) Elevator Safety Systems
WO2020245942A1 (fr) Dispositif de sûreté pour transporteur de passagers
JP6479941B1 (ja) 乗客コンベアの異常検知システム
JP7136164B2 (ja) 乗客コンベア
JP2016016926A (ja) 乗客コンベアの間隙異常判定装置
CN110713101B (zh) 乘客传送设备及乘客传送设备的控制方法
JP6410412B2 (ja) 物体有無判定装置、エレベーター安全装置、エレベーター及び物体有無判定方法
US11339030B2 (en) Risk-detection system for a passenger moving installation
CN109896406B (zh) 乘客输送机的远程检查
CN111433148B (zh) 运转控制系统以及乘客输送装置
CN110719885B (zh) 乘客输送带用梯级链的监视系统
JP6173191B2 (ja) 車両停止位置検出装置
CN215592313U (zh) 用于乘客运输装置的间距指示系统和乘客运输装置
JP5963251B2 (ja) 状況判定装置及び状況判定プログラム
JP2002068656A (ja) 乗客コンベア
CN114132821B (zh) 载人输送机的长条物监视系统
JP6937718B2 (ja) 乗客コンベヤの踏段欄干隙間挟まれ検出装置
EP1508547A1 (fr) Unite de fonctionnement automatique de transporteur de personne
JP2013193867A (ja) エレベータの火災時運転システム

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 19931873

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 19931873

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: JP