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WO2018220782A1 - Dispositif ascenseur - Google Patents

Dispositif ascenseur Download PDF

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Publication number
WO2018220782A1
WO2018220782A1 PCT/JP2017/020424 JP2017020424W WO2018220782A1 WO 2018220782 A1 WO2018220782 A1 WO 2018220782A1 JP 2017020424 W JP2017020424 W JP 2017020424W WO 2018220782 A1 WO2018220782 A1 WO 2018220782A1
Authority
WO
WIPO (PCT)
Prior art keywords
elevator
data
distance
car
distance sensor
Prior art date
Application number
PCT/JP2017/020424
Other languages
English (en)
Japanese (ja)
Inventor
将太郎 森
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 CN201780090924.7A priority Critical patent/CN110678409B/zh
Priority to JP2019521632A priority patent/JP6704519B2/ja
Priority to PCT/JP2017/020424 priority patent/WO2018220782A1/fr
Publication of WO2018220782A1 publication Critical patent/WO2018220782A1/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
    • B66B13/02—Door or gate operation
    • B66B13/14—Control systems or devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B3/00—Applications of devices for indicating or signalling operating conditions of elevators

Definitions

  • the present invention relates to an elevator apparatus, and more particularly to an elevator apparatus capable of detecting the shape of an object such as a person or an object getting on and off a car.
  • Some conventional elevator devices calculate the occupancy rate of an object such as a person or an object with respect to the elevator car floor area, and cancel the landing call when the occupancy rate in the car exceeds a predetermined value. For example, in the invention described in Patent Document 1, an object passing through an elevator doorway is detected as a linear image, and the floor projection area of the object is calculated based on this, thereby calculating the occupation ratio in the car. Yes.
  • Patent Document 1 since a fixed value set in advance is used as the width of the object, the shape of the object cannot be calculated with high accuracy. Therefore, there is a problem that the floor occupation area of the object cannot be accurately calculated, and the occupation ratio in the car becomes inaccurate.
  • the present invention has been made to solve such a problem, and an object of the present invention is to provide an elevator apparatus that can detect the shape of an object that gets on and off the car with low cost and high accuracy.
  • an elevator apparatus is provided with a first distance sensor group that is provided at either the left or right of an elevator entrance and acquires first distance data to an object that enters and exits a car.
  • a second distance sensor group for obtaining second distance data to an object that is provided on either the left or right side of the elevator entrance and exits the car, and the first distance data, the second distance data, and Based on the distance in the width direction of the first and second distance sensor groups, a width calculation unit that calculates the width data of the object, first detection start time data of the object by the first distance sensor group, A moving speed calculating unit for calculating moving speed data of the object based on the second detection start time data of the object by the distance sensor group and the distance in the depth direction of the first and second distance sensor groups; Speed data In addition, the first detection start time data and the first detection end time data of the object by the first distance sensor group, or the second detection start time data and the second detection of the object by the second distance sensor group.
  • a depth calculation unit that calculates the
  • the elevator apparatus can detect the shape of an object that gets on and off the car with low cost and high accuracy.
  • FIGS. 1A to 1C show the configuration of the entrance / exit of the elevator apparatus according to the embodiment of the present invention.
  • the first distance sensor group 11 is provided on either the left or right wall surface of the elevator entrance 40.
  • a second distance sensor group 12 is provided on the left or right wall surface of the elevator door 40.
  • the first distance sensor group 11 includes one or a plurality of reflective distance sensors 11n having an optical axis parallel to the width direction of the elevator entrance 40 (the direction indicated by the arrow W in the drawing). Each reflective distance sensor 11n can detect a distance X 1n from itself to the object (person or object) 50, respectively.
  • the second distance sensor group 12 includes one or more reflective distance sensors 12n having an optical axis parallel to the width direction of the elevator entrance 40. Each reflective distance sensor 12n can detect the distance X 2n from itself to the object 50, respectively.
  • the first distance sensor group 11 and the second distance sensor group 12 are provided apart by a predetermined distance W in the width direction of the elevator entrance 40.
  • the first distance sensor group 11 and the second distance sensor group 12 are provided apart from each other by a predetermined distance D in the depth direction of the elevator doorway 40 (the direction indicated by the arrow D in the drawing). .
  • the moving direction of the object 50 can be determined. For example, when the object 50 is first detected by the first distance sensor group 11 and then detected by the second distance sensor group 12, the object 50 is moving in the direction of getting into the car. On the other hand, when the object 50 is first detected by the second distance sensor group 12 and then detected by the first distance sensor group 11, the object 50 moves in the direction of getting out of the car.
  • FIG. 2 is a block diagram showing the configuration of the elevator apparatus according to the embodiment of the present invention.
  • the elevator device includes a boarding / alighting detection device 10, a control device 20, and a weighing device 30.
  • the boarding / alighting detection device 10 detects an object 50 that gets on and off the elevator car.
  • the control device 20 controls the operation of the elevator based on the detection result of the getting on / off detection device 10.
  • the scale device 30 detects the weight of an object that has entered the elevator car.
  • the elevator boarding / alighting detection device 10 includes a first distance sensor group 11, a second distance sensor group 12, a shape calculation unit 13 that calculates a three-dimensional shape of an object 50 that gets on and off the car, and a calculated three-dimensional shape. And an information reading unit 14 for reading information.
  • the shape calculation unit 13 includes a width calculation unit 131 that calculates the width data Wn of the object 50, a movement speed calculation unit 132 that calculates the movement speed data Vn of the object 50, and a depth calculation unit that calculates the depth data Dn of the object 50. 133 and a three-dimensional shape calculation unit 134 that calculates the three-dimensional shape Sh of the object 50.
  • the width calculation unit 131 includes a first distance X 1n to the object 50 detected by the first distance sensor group 11 and a second distance X 2n to the object 50 detected by the second distance sensor group 12. Then, the width data Wn of the object 50 is calculated according to the following expression from the predetermined distance W in the width direction between the first distance sensor group 11 and the second distance sensor group 12.
  • the moving speed calculation unit 132 has a first predetermined detection time TS 1n of the object 50 detected by the first distance sensor group 11 and a first detection time TS 2n of the object 50 detected by the second distance sensor group 12.
  • the moving speed data Vn of the object 50 is calculated from the distance D in the depth direction between the distance sensor group 11 and the second distance sensor group 12 according to the following equation.
  • the depth calculation unit 133 is based on the movement speed data Vn of the object 50 calculated by the movement speed calculation unit 132 and the detection start time TS 1n and detection end time TE 1n of the object 50 by the first distance sensor group 11.
  • the depth data Dn of the object 50 is calculated according to the following formula.
  • the depth calculation unit 133 uses the moving speed data Vn of the object 50 calculated by the moving speed calculation unit 132, the detection start time TS 2n of the object 50 by the second distance sensor group 12, and the detection end time TE. Based on 2n , the depth data Dn of the object 50 is calculated according to the following equation.
  • the solid shape calculation unit 134 calculates the three-dimensional shape Sh of the object 50 from the width data Wn of the object 50 calculated by the width calculation unit 131 and the depth data Dn of the object 50 calculated by the depth calculation unit 133.
  • FIGS. 3A and 3B show an example of the three-dimensional shape Sh of the object 50 calculated by the three-dimensional shape calculation unit 134.
  • the information reading unit 14 includes a floor projection area calculation unit 141, an occupation rate calculation unit 142, and a height detection unit 143.
  • the floor projection area calculation unit 141 calculates the floor projection area of the object 50 from the three-dimensional shape Sh of the object 50 calculated by the three-dimensional shape calculation unit 134.
  • FIG. 3C shows an example of the floor projected area of the object 50 calculated by the floor projected area calculating unit 141.
  • the occupancy rate calculation unit 142 calculates the occupancy rate in the elevator car based on the floor projection area of the object 50 calculated by the floor projection area calculation unit 141 and the floor area of the elevator car determined in advance. To do. Specifically, the occupancy rate calculation unit 142 adds the floor projected area when the object 50 gets into the car, and subtracts the floor projected area when the object 50 gets out of the car. The occupancy rate is calculated.
  • the height detection unit 143 calculates the height of the object 50 from the three-dimensional shape Sh of the object 50 calculated by the three-dimensional shape calculation unit 134.
  • the control device 20 controls the operation of the elevator based on the occupation ratio in the car calculated by the occupation ratio calculation unit 142 and the weight in the car detected by the scale device 30. Specifically, the control device 20 cancels the landing call when the occupation ratio in the car is a predetermined value or more, or when the weight in the car is more than the rated load. Thereby, when the car is full or more than the rated load, the operation of the elevator can be made efficient.
  • control device 20 opens the door of the elevator when the height of the object 50 calculated by the height detection unit 143 is equal to or less than a predetermined value and the operation in the car is not performed for a predetermined time. Thereby, it is possible to prevent a short child or animal from being trapped in the cage.
  • the control device 20 makes the opening / closing speed of the elevator door slower than normal. Thereby, it is possible to prevent an elderly person who is moving slowly or a person who is carrying a heavy object from being caught in the door. Note that the opening / closing time of the door may be changed more finely according to the actual moving speed of the object 50.
  • control device 20 stops or reverses the opening / closing operation of the elevator door during a period in which at least one sensor included in the first and second distance sensor groups 11 and 12 is detecting the object 50.
  • the 1st, 2nd distance sensor groups 11 and 12 can be utilized also as a safety device of a door.
  • the elevator apparatus includes the first distance sensor group 11 that acquires the first distance data X 1n to the object 50 and the second distance data to the object 50.
  • a second distance sensor group 12 that acquires X 2n , a width calculation unit 131 that calculates width data Wn of the object 50, a movement speed calculation unit 132 that calculates movement speed data Vn of the object 50, and the depth of the object 50
  • a depth calculation unit 133 that calculates data Dn and a three-dimensional shape calculation unit 134 that calculates a three-dimensional shape Sh of the object 50 are provided.
  • the shape of the object getting on and off the car can be calculated with low cost and high accuracy.
  • the first and second distance sensor groups 11 and 12 are reflective distance sensors, but an optical scanning distance sensor or an ultrasonic distance sensor may be used.

Landscapes

  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Indicating And Signalling Devices For Elevators (AREA)
  • Elevator Door Apparatuses (AREA)
  • Elevator Control (AREA)

Abstract

L'invention concerne un dispositif ascenseur, lequel dispositif comprend : un premier groupe de capteurs de distance pour acquérir des premières données de distance représentant une première distance par rapport à un objet ; un second groupe de capteurs de distance pour acquérir des secondes données de distance représentant une seconde distance par rapport à l'objet ; une unité de calcul de largeur pour calculer des données de largeur représentant la largeur de l'objet ; une unité de calcul de vitesse de déplacement pour calculer des données de vitesse de déplacement représentant la vitesse de déplacement de l'objet ; une unité de calcul de profondeur pour calculer des données de profondeur représentant la profondeur de l'objet ; et une unité de calcul de forme en trois dimensions pour calculer la forme en trois dimensions de l'objet.
PCT/JP2017/020424 2017-06-01 2017-06-01 Dispositif ascenseur WO2018220782A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201780090924.7A CN110678409B (zh) 2017-06-01 2017-06-01 电梯装置
JP2019521632A JP6704519B2 (ja) 2017-06-01 2017-06-01 エレベータ装置
PCT/JP2017/020424 WO2018220782A1 (fr) 2017-06-01 2017-06-01 Dispositif ascenseur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2017/020424 WO2018220782A1 (fr) 2017-06-01 2017-06-01 Dispositif ascenseur

Publications (1)

Publication Number Publication Date
WO2018220782A1 true WO2018220782A1 (fr) 2018-12-06

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Application Number Title Priority Date Filing Date
PCT/JP2017/020424 WO2018220782A1 (fr) 2017-06-01 2017-06-01 Dispositif ascenseur

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JP (1) JP6704519B2 (fr)
CN (1) CN110678409B (fr)
WO (1) WO2018220782A1 (fr)

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* Cited by examiner, † Cited by third party
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CN113135484A (zh) * 2020-01-20 2021-07-20 原相科技股份有限公司 防夹装置、空间计算装置以及悬浮控制装置
CN112623893B (zh) * 2020-12-03 2023-04-14 深圳市普渡科技有限公司 一种电梯楼层确定方法、装置、计算机设备及存储介质
CN113003340B (zh) * 2021-02-22 2022-12-16 上海三菱电梯有限公司 电梯识别方法、装置与电梯

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JPH1079012A (ja) * 1996-09-04 1998-03-24 Matsushita Electric Ind Co Ltd 通過人数検知装置
JP2011203227A (ja) * 2010-03-26 2011-10-13 Panasonic Electric Works Co Ltd 通過者検出装置、通過者検出方法
JP2012017197A (ja) * 2010-07-09 2012-01-26 Mitsubishi Electric Building Techno Service Co Ltd エレベータ
JP2014109464A (ja) * 2012-11-30 2014-06-12 Toshiba Corp 物体測定装置、及び物体測定方法
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JP2015202934A (ja) * 2014-04-14 2015-11-16 三菱電機ビルテクノサービス株式会社 エレベータ制御装置
JP2016222353A (ja) * 2015-05-27 2016-12-28 株式会社日立製作所 画像認識機能を備えたエレベータ

Also Published As

Publication number Publication date
JPWO2018220782A1 (ja) 2019-11-07
JP6704519B2 (ja) 2020-06-03
CN110678409B (zh) 2021-03-23
CN110678409A (zh) 2020-01-10

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