WO2016013080A1 - Dispositif de porte d'ascenseur - Google Patents

Dispositif de porte d'ascenseur Download PDF

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Publication number
WO2016013080A1
WO2016013080A1 PCT/JP2014/069560 JP2014069560W WO2016013080A1 WO 2016013080 A1 WO2016013080 A1 WO 2016013080A1 JP 2014069560 W JP2014069560 W JP 2014069560W WO 2016013080 A1 WO2016013080 A1 WO 2016013080A1
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WO
WIPO (PCT)
Prior art keywords
door
light
doors
elevator
light receiving
Prior art date
Application number
PCT/JP2014/069560
Other languages
English (en)
Japanese (ja)
Inventor
山田　一博
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/JP2014/069560 priority Critical patent/WO2016013080A1/fr
Priority to JP2016535584A priority patent/JP6195021B2/ja
Priority to CN201480080315.XA priority patent/CN106660754B/zh
Publication of WO2016013080A1 publication Critical patent/WO2016013080A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
    • B66B13/24—Safety devices in passenger lifts, not otherwise provided for, for preventing trapping of passengers
    • B66B13/26—Safety devices in passenger lifts, not otherwise provided for, for preventing trapping of passengers between closing doors

Definitions

  • This invention relates to an elevator door device.
  • a projector and a light receiver are provided on both sides of an elevator entrance, and an obstacle is detected when light from the light projector to the light receiver is blocked (for example, Patent Document 1 and Patent Document 2).
  • the obstacle is in the form of a thin string such as a pet lead.
  • part of the light from the light projecting device is blocked by the obstacle, but the light that has passed through the side of the obstacle may be diffused and reach the light receiving device. In such a case, a thin string-like obstacle cannot be detected with high accuracy.
  • This invention was made in order to solve such a subject, and can detect a string-like obstacle sandwiched between doors that open and close an elevator door more accurately and more reliably than before. An elevator door device is obtained.
  • a pair of double-open doors for opening and closing the entrance of the elevator, a light projecting means provided on one of the pair of doors for irradiating light, and the other of the pair of doors
  • a light receiving means for receiving light from the light projecting means; a door end member provided at an end of the door of the pair of doors; and a light receiving state of the light receiving means.
  • detecting means for detecting the presence of an obstacle between the pair of doors, and the door end member includes a guide groove provided across a landing side and a car side of the door, A through hole provided at the bottom of the guide groove for narrowing the light from the light projecting means, and the light receiving means is provided so as to receive the light irradiated from the light projecting means and passed through the through hole.
  • the detection means When said light receiving means in a state where the doorway is fully closed by the door is not receiving light from said light projecting means, and configured to detect the presence of a string-like said obstacle.
  • a single-open door that opens and closes the entrance of the elevator
  • a door-post column that is arranged in contact with the door-contact side of the door when the door is fully closed by the door, and provided in the door
  • a light projecting means for irradiating light a light receiving means for receiving light from the light projecting means
  • a door end member provided at an end of the door in the door.
  • the light passing through the through hole is set to be able to receive light.
  • the detecting means detects the presence of the string-like obstacle when the light receiving means is not receiving light from the light projecting means with the doorway being fully closed by the door.
  • FIG. 1 to 6 relate to Embodiment 1 of the present invention
  • FIG. 1 is a front view of an elevator door device
  • FIG. 2 is a block diagram showing a functional configuration of the elevator door device
  • FIG. FIG. 4 is a diagram schematically showing the main part of an elevator door device
  • FIG. 4 is an enlarged view of the main part of a door end member provided in the elevator door device
  • FIG. 5 is a diagram showing a string-like obstacle by the elevator door device.
  • FIG. 6 is a flowchart for explaining an operation when the door device of the elevator detects a string-like obstacle.
  • a door 10 is provided in the elevator car.
  • the door 10 is for opening and closing an entrance provided in front of the car.
  • the door 10 is provided with a pair of left and right. That is, here, the door 10 that opens and closes the doorway of the elevator is a double-open type.
  • Door hangers 21 are respectively attached to the upper ends of the pair of doors 10.
  • a door roller 22 is attached to the upper portion of the door hanger 21.
  • a door rail 24 is attached to the beam 23.
  • the door rail 24 is disposed along the opening / closing direction of the door 10, that is, substantially horizontally.
  • the door roller 22 is engaged so that rolling is possible. In this manner, each door 10 is suspended by the door rail 24 via the door hanger 21 and the door roller 22.
  • the door roller 22 is guided by the door rail 24 and rolls, so that the left and right doors 10 can open and close the entrance / exit.
  • the opening / closing operation of the door 10 is driven by a door driving device provided in the door opening / closing mechanism 20.
  • the door drive device is provided at a position above the door rail 24 in the girder 23.
  • the door drive device includes a motor 25, a drive pulley 26, a driven pulley 27, and a belt 28.
  • the motor 25 is disposed at a position in the girder 23 that is closer to one side in the opening / closing direction of the door 10.
  • a driving pulley 26 is fixed to the rotating shaft of the motor 25.
  • a driven pulley 27 is attached to a position in the girder 23 that is closer to the other side of the door 10 in the opening and closing direction.
  • An endless belt 28 is wound around the drive pulley 26 and the driven pulley 27. On the inner side of the belt 28, irregularities are provided at equal intervals to form teeth.
  • the drive pulley 26 and the driven pulley 27 are provided with irregularities that match the teeth.
  • the door drive device is constituted by a winding transmission mechanism formed in this way.
  • a connecting member 29 is attached to the upper end of the door hanger 21 of each door 10.
  • the connecting member 29 provided on one of the left and right doors 10 is locked to one of the upper and lower belts 28.
  • the connecting member 29 provided on the other door 10 is locked to the other of the upper and lower belts 28.
  • Rotational drive in both the forward and reverse directions of the motor 25 of the door drive device is converted into a circular movement of the belt 28 in both directions.
  • the upper side and the lower side of the belt 28 move in opposite directions.
  • the pair of left and right doors 10 also move in the left and right opposite directions via the connecting member 29, and the doorway is opened and closed.
  • the girders 23 are provided with stoppers (not shown) that restrict the movement of the door 10 beyond the fully open position and the fully closed position.
  • the stopper abuts against the end of the door hanger 21 when the door 10 is in a fully open position and a fully closed position, and suppresses further movement of the door 10.
  • a light projecting device 41 is attached to one of the left and right doors 10.
  • a light receiving device 42 is attached to the other door 10 of the pair of left and right.
  • the light projecting device 41 is a light projecting unit that emits light in the direction of the light receiving device 42.
  • the light receiving device 42 is a light receiving means that is provided on the other of the pair of doors and receives light from the light projecting device 41 that is a light projecting means.
  • Rotational driving of the motor 25 of the door driving device is controlled by the door control device 30.
  • the door control device 30 controls the opening / closing operation of the door 10 by controlling the rotational drive of the motor 25.
  • the door control device 30 includes a motor control unit 31, a door full / close determination unit 32, a door shader detection unit 33, and an input / output port 34.
  • the motor control unit 31 controls the operation of the motor 25.
  • the door full-close determining unit 32 determines whether or not the door 10 is in a position where the door 10 is fully closed (hereinafter simply referred to as “full-closed position”). Judging.
  • the door fully closed detection device 50 outputs a detection signal when the door 10 is in the fully closed position, and does not output a detection signal when the door 10 is not in the fully closed position.
  • the door full-closed detection device 50 includes, for example, a micro switch provided in the beam 23 or an optical switch.
  • the door fully closed determination unit 32 determines that the door 10 is in the fully closed position if a detection signal is output from the door fully closed detection device 50.
  • the door-to-door light-blocking object detection unit 33 is detection means for detecting the presence of an obstacle between the pair of left and right doors 10 based on the light receiving state of the light receiving device 42 that is a light receiving means.
  • the light receiving device 42 outputs a signal according to the light receiving state of the light from the light projecting device 41.
  • the light receiving state of the light from the light projecting device 41 means whether the light from the light projecting device 41 is received or whether the light from the light projecting device 41 is not received.
  • the door-to-door light-blocking object detection unit 33 determines that there is no light-blocking object, that is, an obstacle between the pair of left and right doors 10. On the other hand, if the light receiving device 42 does not receive light, there is a light blocking object that blocks light from the light projecting device 41 between the light projecting device 41 and the light receiving device 42, that is, between the pair of left and right doors 10. I think that. Therefore, in this case, the door-to-door light blocking object detection unit 33 detects the presence of a light blocking object, that is, an obstacle between the pair of left and right doors 10.
  • the input / output port 34 is an interface that mediates exchange of signals (information) between each part of the door control device 30 and the elevator control device 60.
  • the elevator control device 60 is for controlling the overall operation of the elevator including the operation of the car.
  • the elevator control device 60 outputs a door opening command signal to the door control device 30.
  • the output door opening command signal is input to the door control device 30 via the input / output port 34.
  • the motor control unit 31 controls the operation of the motor 25 based on the command signal from the elevator control device 60, the determination result of the door full-close determination unit 32, and the detection result of the door-to-door light shielding unit detection unit 33. For example, if a door opening command signal from the elevator control device 60 is input, the motor control unit 31 controls the operation of the motor 25 so as to open the door 10.
  • the door full-close determining unit 32 determines that the door 10 is not in the fully-closed position, and the door-to-door light blocking object detecting unit
  • the motor control unit 31 interrupts the closing of the door 10 and controls the operation of the motor 25 so that the door 10 is reversed and opened.
  • the door-to-door light-blocking object detection unit 33 serving as a detecting means is based on the determination result of the door full-close determination unit 32 and the detection result of the door-light-blocking object detection unit 33, and the presence of a string-like obstacle between the pair of left and right doors Can be detected.
  • a configuration for detecting the presence of the string-like obstacle will be described with reference to FIGS. 3 to 5.
  • a door end member is attached to one door 10 to which the light projecting device 41 is attached.
  • the door end member is provided at an end of the door 10 on the door stop side.
  • the door end member includes a light shielding member 43 and a transparent member 44.
  • the light shielding member 43 is adjacent to the light projecting device 41 side of the transparent member 44.
  • the transparent member 44 is adjacent to the light receiving device 42 side of the light shielding member 43. Therefore, the transparent member 44 is disposed at the end of the door 10 closest to the door stop.
  • the light blocking member 43 is made of a material having a property of blocking light from the light projecting device 41.
  • the transparent member 44 is made of a material having a property of allowing light from the light projecting device to pass through.
  • the door end member provided with the light shielding member 43 and the transparent member 44 is provided with a light restricting pinhole 45 and a light shielding object guiding groove 46.
  • the light guide guide groove 46 is a guide groove provided across the landing side and the car side of the door 10.
  • the light limiting pinhole 45 is a through hole for narrowing the light from the light projecting device 41.
  • the light limiting pinhole 45 is formed at the bottom of the light blocking object guiding groove 46.
  • the diameter is set to be equal to or smaller than the width of the string-like obstacle to be detected.
  • variety of a light shielding object which becomes difficult to detect a thin string-like light shielding object can be interrupted
  • the light limiting pinhole 45 can limit the light from the light projecting device 41 to the minimum necessary for detecting the string-like obstacle.
  • the light limiting pinhole 45 and the light guide guide groove 46 are arranged at positions facing the front surface of the light projecting device 41.
  • the light limiting pinhole 45 and the light blocking object guiding groove 46 are disposed on the extension line of the light projecting device 41 in the light irradiation direction.
  • the light emitted from the light projecting device 41 only the light passing through the light restricting pinhole 45 is irradiated in the direction of the other door 10 through the inside of the light shielding object guiding groove 46.
  • light other than the light passing through the light limiting pinhole 45 is shielded by the light shielding member 43.
  • the light emitted from the light projecting device 41 is narrowed down by the light limiting pinhole 45.
  • the light receiving device 42 is disposed on an extension of a line connecting the light projecting device 41 and the light limiting pinhole 45. Therefore, the light receiving device 42 can receive the light irradiated from the light projecting device and passed through the light limiting pinhole 45.
  • the light guide guide groove 46 is formed in the transparent member 44. Further, at least a part of the light limiting pinhole 45 is formed in the light shielding member 43. A through hole is also formed at the bottom of the light guide guide groove 46 in the transparent member 44. The through hole and the through hole of the light blocking member 43 are connected to form a continuous light limiting pin hole 45. Is done.
  • FIG. 4 is a view of the door end member of the door 10 provided with the light projecting device 41 from the light receiving device 42 side.
  • the light guide guide groove 46 described above is formed on the end face of the door end transparent member 44 on the door end side.
  • the light guide guide groove 46 is provided from the car side of the door 10 to the landing side along the thickness direction of the door 10.
  • the light limiting pinhole 45 is disposed at the center of the door 10 in the thickness direction at the bottom of the light guide guide groove 46.
  • the width in the vertical direction of the light guide guide groove 46 is narrowest at the center in the thickness direction of the door 10 where the light limiting pinhole 45 is disposed.
  • the width in the vertical direction of the shade guiding groove 46 is formed so as to gradually increase toward the landing side and the car side.
  • FIG. 3 and FIG. Think with reference. 5 shows the door end member of the door 10 provided with the light projecting device 41 from the light receiving device 42 side as in FIG.
  • the door 10 is not in the fully closed position, and that the string-like light blocking object is in the position indicated by the light blocking object 70 (A) in FIGS.
  • the light emitted from the light projecting device 41 through the light restricting pinhole 45 is not blocked by the light blocking object 70 at the position (A).
  • the light receiving device 42 receives light from the light projecting device 41. Therefore, if the light receiving device 42 receives light, the door-to-door light-blocking object detection unit 33 determines that there is no light-blocking object, that is, an obstacle, between the pair of left and right doors 10.
  • the string-like light blocking object 70 When the string-like light blocking object 70 is in the state shown in FIG. 3 and FIG. 5B, the light from the light projecting device 41 narrowed by the light limiting pinhole 45 is blocked by the light blocking object 70. . Therefore, the light receiving device 42 does not receive the light from the light projecting device 41. In such a case, the door-to-door light-blocking object detector 33 not only detects the presence of an obstacle between the doors 10 but also specifies that the obstacles existing between the doors 10 are string-like. To detect.
  • the inter-door light-shielding object detection unit 33 serving as a detection unit is configured such that the door 10 is in the fully closed position, that is, the doorway is fully closed by the door 10, and the light receiving device 42 is light from the light projecting device 41. Is detected, the presence of a string-like obstacle between the pair of left and right doors 10 is detected.
  • the string-like light blocking object 70 is formed in such a manner that the width in the vertical direction of the light blocking object guiding groove 46 gradually increases toward the landing side and the car side. As shown in FIG. 3, even if the vehicle is inclined obliquely from the car side to the landing side, the light shielding object 70 is surely placed in front of the light limiting pinhole 45 by the light shielding object guiding groove 46. Can be guided.
  • the width of the light shielding object guiding groove 46 in the vertical direction is gradually increased toward the landing side and the car side so that the string-shaped light shielding object 70 is fitted in the light shielding object guiding groove 46. Even if the car is further raised or lowered, the light blocking object 70 can continue to block the light limiting pinhole 45 for a longer time. Therefore, it is also possible to more reliably detect the string-like light blocking object 70.
  • a plurality of sets of the light projecting device 41 and the light receiving device 42 may be provided across the vertical direction of the door 10.
  • a plurality of light limiting pinholes 45 and light shielding object guiding grooves 46 may be provided according to the number of sets of the light projecting device 41 and the light receiving device 42.
  • the number of the light limiting pinholes 45 and the light blocking object guiding grooves 46 should not exceed the number of pairs of the light projecting device 41 and the light receiving device 42.
  • the light projecting device 41 and the light receiving device 42 with the light restricting pinhole 45 and the light blocking object guiding groove 46 are arranged at least at the center and the lowermost end of the door 10, respectively.
  • the position is often below the user's chest Conceivable. It is also unlikely that the side of the string-like obstacle that the user has is higher than the position that the user has.
  • the car is raised and lowered by arranging the light projecting device 41 and the light receiving device 42 with the light restricting pinhole 45 and the light guide guide groove 46 at the center and the lowest end in the vertical direction, respectively. In both cases, it is considered that the light shield 70 can be detected by guiding the string-shaped light shield 70 to the light guide guiding groove 46.
  • a string-like obstacle detection signal is output from the door control device 30 to the elevator control device 60.
  • the elevator control device 60 urgently stops the car if the car is running. Next, the elevator control device 60 travels so as to return the car to the original floor that was stopped immediately before. Then, the car is stopped on the original floor that was stopped immediately before, and the door 10 is opened.
  • the string-shaped light blocking body 70 blocks the light from the light projecting device 41, and the light receiving device 42 stops receiving the light from the light projecting device 41. Since the door 10 is prevented from closing, it is possible to avoid a situation in which the string-like light blocking object 70 is sandwiched between the doors 10.
  • step S ⁇ b> 1 the door full / close determination unit 32 determines whether or not the door 10 is in the fully closed position based on a detection signal from the door full / close detection device 50. If the door 10 is in the fully closed position, the process proceeds to step S2.
  • step S ⁇ b> 2 the door-to-door light-blocking object detection unit 33 confirms whether or not the light-blocking object between the doors 10 is detected based on the light receiving state of the light receiving device 42. When the light shielding object between the doors 10 is not detected, the process returns to step S1. On the other hand, when the light shielding object between the doors 10 is detected, the door 10 is in the door closing position and the light shielding object between the doors 10 is detected. 33 detects the presence of a string-like light shield between the doors 10. In this case, the process proceeds to step S3.
  • step S3 the elevator control device 60 returns the car to the original floor where it was stopped immediately before.
  • step S4 when the car stops at the original floor, the elevator control device 60 opens the door 10.
  • step S4 the operation related to the detection of a series of string-like obstacles ends, and the normal operation control is resumed.
  • the door 10 is not limited to the double opening type, but may be a single opening type.
  • a door-holding pillar is provided that is disposed in contact with the door-stop side of the door 10 when the door 10 is fully closed by the door 10.
  • the light projecting device 41 and the door end member are provided on the door 10, and the light receiving device 42 is provided on the door stop column.
  • a door end member (a light shielding member 43 and a transparent member 44) is provided at an end of the door 10 to which the light projecting device 41 is attached.
  • the member there is a light guide guiding groove 46 provided on the landing side and the car side of the door 10, and a through hole provided in the bottom of the light guide guiding groove 46 for narrowing light from the light projecting device 41.
  • a certain light limiting pinhole 45 is formed.
  • the light receiving device 42 is provided so as to be able to receive the light irradiated from the light projecting device 41 and passed through the light limiting pinhole 45, and the door-to-door light blocking object detection unit 33 is in a state where the doorway is fully closed by the door 10.
  • the light receiving device 42 does not receive the light from the light projecting device 41, the presence of a string-like obstacle is detected.
  • the light from the light projecting device 41 is restricted by the light restricting pinhole 45 so that the light diffused from the side of the thin string-like obstacle is not generated. Further, by providing the light blocking object guiding groove 46 at the position of the light restricting pinhole 45, the thin string-like obstacle between the doors 10 is surely arranged in front of the light restricting pinhole 45 to project light. The light from the device 41 is shielded.
  • the present invention can be used for an elevator door device provided with a light projecting device and a light receiving device for detecting obstacles on both sides of an elevator doorway.

Landscapes

  • Elevator Door Apparatuses (AREA)

Abstract

L'invention porte sur un dispositif de porte d'ascenseur qui peut détecter avec précision et de façon fiable un obstacle du type cordon pris dans les portes qui ouvrent et ferment l'entrée. Le dispositif de porte d'ascenseur comporte : une paire de doubles portes qui ouvrent et ferment l'entrée de l'ascenseur ; un moyen émetteur de lumière, qui émet de la lumière et qui est disposé sur l'une de la paire de portes ; un moyen récepteur de lumière, qui reçoit la lumière venant du moyen émetteur de lumière et qui est disposé sur l'autre de la paire de porte ; un élément d'extrémité de base, qui est disposé sur une partie d'extrémité du côté d'arrêt de porte de l'une de la paire de portes ; un moyen de détection pour détecter la présence d'un obstacle entre la paire de portes sur la base de l'état de réception de la lumière du moyen de réception de lumière. Sur l'élément d'extrémité de porte est formée une rainure de guidage s'étendant du côté du palier de porte jusqu'au côté cabine d'ascenseur et un trou traversant qui focalise la lumière du moyen émetteur de lumière et qui est disposé en bas de la rainure de guidage. Le moyen de réception de lumière est disposé de façon à pouvoir recevoir la lumière qui a été émise par le moyen émetteur de lumière et qui traverse le trou traversant. Le moyen de détection détecte la présence d'obstacles du type cordon si le moyen de réception de lumière ne reçoit pas de lumière du moyen émetteur de lumière quand l'entrée est complètement fermée par les portes.
PCT/JP2014/069560 2014-07-24 2014-07-24 Dispositif de porte d'ascenseur WO2016013080A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
PCT/JP2014/069560 WO2016013080A1 (fr) 2014-07-24 2014-07-24 Dispositif de porte d'ascenseur
JP2016535584A JP6195021B2 (ja) 2014-07-24 2014-07-24 エレベーターのドア装置
CN201480080315.XA CN106660754B (zh) 2014-07-24 2014-07-24 电梯门装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2014/069560 WO2016013080A1 (fr) 2014-07-24 2014-07-24 Dispositif de porte d'ascenseur

Publications (1)

Publication Number Publication Date
WO2016013080A1 true WO2016013080A1 (fr) 2016-01-28

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Application Number Title Priority Date Filing Date
PCT/JP2014/069560 WO2016013080A1 (fr) 2014-07-24 2014-07-24 Dispositif de porte d'ascenseur

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JP (1) JP6195021B2 (fr)
CN (1) CN106660754B (fr)
WO (1) WO2016013080A1 (fr)

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WO2021240596A1 (fr) * 2020-05-25 2021-12-02 三菱電機株式会社 Dispositif de sécurité de porte d'ascenseur

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RU180581U1 (ru) * 2017-07-21 2018-06-19 Публичное акционерное общество "Татнефть" имени В.Д. Шашина" Учебный тренажер
CN109704180A (zh) * 2019-02-25 2019-05-03 朱爱民 一种两点式绳带夹断防骤停电梯
CN110723616B (zh) * 2019-09-20 2021-07-06 日立楼宇技术（广州）有限公司 电梯门夹异物的检测方法、装置和计算机设备

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JP2014040292A (ja) * 2012-08-21 2014-03-06 Mitsubishi Electric Corp エレベータの安全装置及び安全装置を備えたエレベータのかご

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JP2008297120A (ja) * 2007-06-04 2008-12-11 Mitsubishi Electric Corp エレベータの戸閉安全装置
JP5238363B2 (ja) * 2008-06-03 2013-07-17 日本オーチス・エレベータ株式会社 エレベータの安全装置
CN203199857U (zh) * 2012-11-08 2013-09-18 华升富士达电梯有限公司 用于电梯的电梯门安全设备

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Publication number Priority date Publication date Assignee Title
JP2005200144A (ja) * 2004-01-14 2005-07-28 Mitsubishi Electric Corp エレベータ装置
JP2008169009A (ja) * 2007-01-12 2008-07-24 Mitsubishi Electric Building Techno Service Co Ltd エレベータ装置及びエレベータシステム
JP2014040292A (ja) * 2012-08-21 2014-03-06 Mitsubishi Electric Corp エレベータの安全装置及び安全装置を備えたエレベータのかご

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021240596A1 (fr) * 2020-05-25 2021-12-02 三菱電機株式会社 Dispositif de sécurité de porte d'ascenseur
JP6992933B1 (ja) * 2020-05-25 2022-01-13 三菱電機株式会社 エレベータードアの安全装置

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JPWO2016013080A1 (ja) 2017-04-27
JP6195021B2 (ja) 2017-09-13
CN106660754B (zh) 2018-12-28
CN106660754A (zh) 2017-05-10

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