WO2014136200A1 - Dispositif d'ascenseur et procédé pour détecter une position de cabine d'ascenseur - Google Patents

Dispositif d'ascenseur et procédé pour détecter une position de cabine d'ascenseur Download PDF

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Publication number
WO2014136200A1
WO2014136200A1 PCT/JP2013/055937 JP2013055937W WO2014136200A1 WO 2014136200 A1 WO2014136200 A1 WO 2014136200A1 JP 2013055937 W JP2013055937 W JP 2013055937W WO 2014136200 A1 WO2014136200 A1 WO 2014136200A1
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WO
WIPO (PCT)
Prior art keywords
car
tag
reader
information
photoelectric sensor
Prior art date
Application number
PCT/JP2013/055937
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English (en)
Japanese (ja)
Inventor
白附　晶英
敬太 望月
甚 井上
鹿井　正博
雅洋 石川
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/JP2013/055937 priority Critical patent/WO2014136200A1/fr
Publication of WO2014136200A1 publication Critical patent/WO2014136200A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B1/00—Control systems of elevators in general
    • B66B1/34—Details, e.g. call counting devices, data transmission from car to control system, devices giving information to the control system
    • B66B1/3492—Position or motion detectors or driving means for the detector

Definitions

  • the present invention relates to an elevator apparatus in which an ID tag such as an RFID tag is provided in a hoistway, and an ID reader for reading information on the ID tag is provided in a car, and a car position detecting method thereof.
  • a plurality of limit switches are arranged at intervals from each other near the terminal floor of the hoistway.
  • the car is provided with an operation member for operating the limit switch. All limit switches are electrically connected to the control device (see, for example, Patent Document 1).
  • the present invention has been made to solve the above problems, and an elevator apparatus capable of more reliably and accurately detecting the position of a car while using a combination of an ID tag and an ID reader, and An object is to obtain a car position detection method.
  • An elevator apparatus includes a car that is raised and lowered in a hoistway, an ID tag provided in the hoistway, an ID reader that reads information on the ID tag, and a photoelectric sensor that detects the ID tag. And a control unit that detects a position of the car based on a position detection unit provided in the car and information from the ID reader and information from the photoelectric sensor.
  • the car position detecting method of the elevator apparatus detects the ID tag by a photoelectric sensor provided in the car and passes the ID reader provided in the car when the car passes the ID tag. The information of the ID tag is read, and the position of the car is detected based on the information from the photoelectric sensor and the information from the ID reader.
  • the ID tag is detected by the photoelectric sensor and the information of the ID tag is read by the ID reader. Therefore, the position of the car is determined using the combination of the ID tag and the ID reader. It is possible to detect more reliably and more accurately.
  • FIG. 1 is a schematic configuration diagram showing an elevator apparatus according to Embodiment 1 of the present invention. It is a perspective view which shows the ID tag and position detection part of FIG. It is a timing chart which shows the electric power feeding time to the ID tag when the position detection part of FIG. 2 passes an ID tag, the time when the information of an ID tag is output, and the time when the light from a light projection part is interrupted
  • FIG. 5 passes through the ID tag, a time for outputting information on the ID tag, and a time for blocking light from the light projecting unit.
  • 6 is a flowchart illustrating a failure monitoring operation by the control device according to the second embodiment.
  • 10 is a flowchart illustrating a modification example of the failure monitoring operation performed by the control device according to the second embodiment. It is a perspective view which shows the ID tag and position detection part by Embodiment 3 of this invention.
  • FIG. 1 is a schematic configuration diagram showing an elevator apparatus according to Embodiment 1 of the present invention.
  • a hoisting machine 2 is installed in the upper part of the hoistway 1.
  • the hoisting machine 2 includes a drive sheave 3, a hoisting machine motor (not shown) that rotates the driving sheave 3, and a hoisting machine brake (not shown) that brakes the rotation of the driving sheave 3. Yes.
  • the suspension 4 is wound around the drive sheave 3.
  • a car 5 is connected to the first end of the suspension 4.
  • a counterweight 6 is connected to the second end of the suspension 4. The car 5 and the counterweight 6 are suspended by the suspension body 4 and are raised and lowered in the hoistway 1 by the hoisting machine 2.
  • a pair of car guide rails 7 (only one is shown in the figure) for guiding the raising and lowering of the car 5 and a pair of counterweight guide rails (not shown) for guiding the raising and lowering of the counterweight 6. ) And are installed.
  • a plurality of flat plate-like ID tags 8a to 8e are fixed to the car guide rail 7 at intervals in the vertical direction.
  • a position detector 9 is mounted on the top of the car 5. When the position detection unit 9 is positioned at the same height as the ID tags 8a to 8e, the position detection unit 9 faces the ID tags 8a to 8e with an interval.
  • the signal from the position detector 9 is input to the control device 10.
  • the control device 10 detects the position of the car 5 based on information from the position detection unit 9.
  • the control device 10 is, for example, an operation control device that controls the operation of the car 5, or a safety monitoring device that monitors the presence or absence of an abnormality in the elevator device.
  • examples of the safety monitoring device include a terminal floor forced reduction device.
  • a governor 11 that detects overspeed traveling of the car 5 is installed on the upper part of the hoistway 1.
  • the governor 11 has a governor sheave 12.
  • a governor rope 13 is wound around the governor sheave 12.
  • the governor rope 13 is connected to an emergency stop operating lever (not shown) provided on the car 5.
  • the control device 10 can obtain the absolute position information of the car 5 in the hoistway 1 based on the signal from the position detector 9. Moreover, the control apparatus 10 is based on the signal from the hoisting machine encoder provided in the hoisting machine motor, or the speed governor encoder provided in the speed governor 11, and the relative information of the car 5 and the relative speed of the car 5. Position information can be obtained.
  • FIG. 2 is a perspective view showing the ID tags 8a to 8e and the position detector 9 of FIG.
  • the position detection unit 9 includes an attachment member 21 having a U-shape when viewed from directly above, and an ID reader 22 and a photoelectric sensor 23 fixed to the attachment member 21.
  • the attachment member 21 is formed with a tag passage groove through which the ID tags 8a to 8e pass when the car 5 travels.
  • the ID tags 8a to 8e store information corresponding to their installation positions.
  • the ID tag is provided with an antenna coil (not shown) that generates an electromotive force by a magnetic field from the ID reader 22.
  • the ID reader 22 reads information of the ID tags 8a to 8e when passing through the ID tags 8a to 8e.
  • the photoelectric sensor 23 includes a light projecting unit 23a and a light receiver 23b.
  • the light projecting portion 23a faces the tag passage groove and is fixed to the mounting member 21.
  • the light receiver 23b is fixed to the mounting member 21 so as to face the light projecting portion 23a with the tag passage groove interposed therebetween, and receives light from the light projecting portion 23a.
  • the photoelectric sensor 23 detects the edges of the ID tags 8a to 8e (the upper edge when the car 5 is lowered and the lower edge when the car 5 is raised) by blocking the light from the light projecting portion 23a by the ID tags 8a to 8e. To do.
  • FIG. 3 shows a time for supplying power to the ID tags 8a to 8e when the position detector 9 of FIG. 2 passes the ID tags 8a to 8e, a time for outputting information of the ID tags 8a to 8e (tag output time), and It is a timing chart which shows the time (light-shielding time) when the light from the light projection part 23a is interrupted
  • the control device 10 determines that the car 5 has reached the edge position of the ID tags 8a to 8e at the moment when the light shielding by the ID tags 8a to 8e is started. Further, the control device 10 determines which ID tags 8a to 8e are detected based on the ID information read by the ID reader 22. As described above, the control device 10 detects the position of the car 5 based on the combination of the information from the photoelectric sensor 23 and the information from the ID reader 22.
  • control device 10 detects a failure of the ID reader 22 or the photoelectric sensor 23 based on the consistency between the information from the ID reader 22 and the information from the photoelectric sensor 23.
  • the control device 10 estimates the time required for the position detection unit 9 to pass through each of the ID tags 8a to 8e according to the speed of the car 5, and from the photoelectric sensor 23 within the estimated passing time. When only this information is detected, it is determined that a failure of the ID reader 22 or the photoelectric sensor 23 has occurred.
  • FIG. 4 is a flowchart showing a failure monitoring operation by the control device 10 of FIG.
  • the control device 10 monitors whether or not light shielding is detected by the photoelectric sensor 23 (step S1). When shading is detected, the time required to pass each ID tag 8a to 8e is estimated according to the speed of the car 5 at that time, and the estimated time is set as the set time. Then, it waits for the set time to elapse from the start of light shielding (step S2).
  • Step S3 it is confirmed whether or not the ID information is actually read by the ID reader 22 (step S3). If reading has been performed, the process ends. In addition, when there is no tag output within the set time despite the detection of light shielding, a failure of the ID reader 22 or the photoelectric sensor 23 (a reading function failure of the ID reader 22 or a false detection by the photoelectric sensor 23) has occurred. (Step S4), a failure detection signal is output to the outside, and the elevator apparatus is shifted to a safe state.
  • the control device 10 repeatedly executes the operation of FIG. 4 and monitors whether the ID reader 22 or the photoelectric sensor 23 has failed.
  • the ID tags 8a to 8e are detected by the photoelectric sensor 23 and the information of the ID tags 8a to 8e is read by the ID reader 22, so that a combination of the ID tags 8a to 8e and the ID reader 22 is used.
  • the position of the car 5 can be detected more reliably and more accurately.
  • the car 5 since the presence or absence of the ID tags 8a to 8e is detected by the photoelectric sensor 23, the car 5 reaches the ID tags 8a to 8e even if the dimensions of the ID tags 8a to 8e in the traveling direction of the car 5 are increased. Timing can be accurately detected. Moreover, by enlarging the dimensions of the ID tags 8a to 8e in the traveling direction of the car 5, even when the car 5 travels at a high speed, sufficient charging time is ensured for the ID tags 8a to 8e to start. And the position of the car 5 can be detected more reliably.
  • the wiring in the hoistway 1 can be reduced, the wiring cost can be reduced, and the installation time can be shortened.
  • the ID reader 22 reads the information of the ID tags 8a to 8e in a non-contact manner, and the photoelectric sensor 23 detects the edges of the ID tags 8a to 8e in a non-contact manner. There is no need to increase the noise, and the generation of impact sound can be prevented.
  • control device 10 monitors whether the ID reader 22 or the photoelectric sensor 23 is out of order, the reliability can be improved.
  • FIG. 5 is a perspective view showing ID tags 8a to 8e and a position detection unit 9 according to Embodiment 2 of the present invention.
  • each of the ID tags 8a to 8e has an antenna coil portion 25 and a light shielding portion 26 as a detected portion adjacent to the antenna coil portion 25.
  • the antenna coil unit 25 is provided with an antenna coil 25 a that generates an electromotive force by a magnetic field from the ID reader 22.
  • the dimension (vertical dimension) of the light shielding part 26 in the up-and-down direction of the car 5 is shorter than the dimension of the antenna coil part 25 in the same direction. Further, the light shielding part 26 is arranged in the middle in the vertical direction of the antenna coil part 25.
  • FIG. 6 shows a time for supplying power to the ID tags 8a to 8e when the position detector 9 of FIG. 5 passes the ID tags 8a to 8e, a time for outputting information of the ID tags 8a to 8e (tag output time), and It is a timing chart which shows the time (light-shielding time) when the light from the light projection part 23a is interrupted
  • the light shielding part 26 is shorter than the antenna coil part 25, the light shielding time is also shortened. Further, light shielding is started after the information of the ID tags 8a to 8e is read. That is, the light shielding start timing (edge detection timing) is delayed from the tag output timing.
  • FIG. 7 is a flowchart showing a failure monitoring operation by the control device 10 of the second embodiment.
  • the control device 10 confirms whether or not ID information is read (tag output) by the ID reader 22 (step S5).
  • the time required to pass each ID tag 8a to 8e is estimated according to the speed of the car 5 at that time, and the estimated time is set as the set time. Then, it waits for the set time to elapse from the tag output (step S6).
  • Step S7 it is monitored whether or not the light shielding is detected by the photoelectric sensor 23 (step S7). If shading is detected, the process ends. In addition, when the light output is not detected within the set time even though the tag output is detected, the ID reader 22 or the photoelectric sensor 23 has failed (detection function failure of the photoelectric sensor 23 or erroneous detection by the ID reader 22). (Step S8), a failure detection signal is output to the outside, and the elevator apparatus is shifted to a safe state.
  • the control device 10 repeatedly executes the operation of FIG. 7 and monitors whether the ID reader 22 or the photoelectric sensor 23 has failed. Other configurations and operations are the same as those in the first embodiment.
  • the photoelectric tags 23 detect the ID tags 8a to 8e, and the ID reader 22 reads the information of the ID tags 8a to 8e, so that the same effect as in the first embodiment can be obtained.
  • the control device 10 can determine the position of the car 5 at the edge detection timing, and can smoothly execute processing such as control or speed monitoring.
  • FIG. 8 is a flowchart showing a modification of the failure monitoring operation by the control device 10 according to the second embodiment.
  • step S9 it is also confirmed whether or not light shielding is detected. Even when the light output is detected even though the tag output is not detected, it is determined that a failure has occurred in the ID reader 22 or the photoelectric sensor 23 (step S8).
  • both light shielding and tag output may be confirmed first. In this case, it is determined that a failure has occurred even when the tag output is detected even though the light shielding is not detected.
  • FIG. 9 is a perspective view showing ID tags 8a to 8e and a position detection unit 9 according to Embodiment 3 of the present invention.
  • Each ID tag 8a to 8e is provided with a reflecting portion 31 as a detected portion.
  • the position detection unit 9 includes a flat mounting member 32, and an ID reader 22 and a photoelectric sensor 33 that are fixed to the mounting member 32.
  • the photoelectric sensor 33 receives the light emitted from the light projecting unit 33a and reflected by the reflecting unit 31.
  • the light projecting unit 33a is fixed to the mounting member 21 and the light projecting unit 33a is fixed to the mounting member 21 along with the light projecting unit 23a. It is comprised from the part 33b.
  • the position detector 9 passes through the ID tags 8a to 8e, the light from the light projector 23a is reflected by the reflector 31.
  • the photoelectric sensor 33 detects the edge of the reflecting part 31 (the upper edge when the car 5 is lowered and the lower edge when the car 5 is raised) when the light from the light projecting part 33 a is blocked by the reflecting part 31.
  • the dimension (vertical dimension) of the reflecting portion 31 in the vertical direction of the car 5 is shorter than the dimension (vertical dimension) of the antenna coil in the same direction.
  • the reflecting portion 31 is arranged in the middle in the vertical direction of the ID tags 8a to 8e. Other configurations and operations are the same as those in the second embodiment.
  • the photoelectric sensor 33 detects the ID tags 8a to 8e, and the ID reader 22 reads the information of the ID tags 8a to 8e. Therefore, the same effect as in the second embodiment can be obtained.
  • the number of ID tags 8a to 8e installed in the hoistway 1 is not particularly limited.
  • the attachment positions of the ID tags 8a to 8e are not limited to the car guide rail 7, and may be attached to, for example, a landing door device.
  • the layout of the entire elevator apparatus is not limited to FIG.
  • the present invention can be applied to an elevator apparatus of 2: 1 roping system, an elevator apparatus in which the hoisting machine 2 is installed at the lower part of the hoistway, and the like.
  • the present invention also relates to an elevator apparatus having a machine room, a machine room-less elevator, a linear motor elevator, a hydraulic elevator, a double deck elevator, and a one-shaft multi-car type elevator in which a plurality of cars are arranged in a common hoistway. It can be applied to all types of elevator devices.

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  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Indicating And Signalling Devices For Elevators (AREA)

Abstract

L'invention porte sur un dispositif d'ascenseur, dans lequel une cabine (5) monte et descend dans une gaine d'ascenseur (1). Des étiquettes d'identification (8a à 8e) sont disposées à l'intérieur de la gaine d'ascenseur (1). Un détecteur de position (9) est disposé dans la cabine (5). Le détecteur de position (9) a un lecteur d'identification (22) et un capteur photoélectrique (23). Le lecteur d'identification (22) lit des informations sur les étiquettes d'identification (8a à 8e). Le capteur photoélectrique (23) détecte les étiquettes d'identification (8a à 8e). Un dispositif de commande (10) détecte la position de la cabine (5) sur la base d'informations provenant du lecteur d'identification (22) et d'informations provenant du capteur photoélectrique (23).
PCT/JP2013/055937 2013-03-05 2013-03-05 Dispositif d'ascenseur et procédé pour détecter une position de cabine d'ascenseur WO2014136200A1 (fr)

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Application Number Priority Date Filing Date Title
PCT/JP2013/055937 WO2014136200A1 (fr) 2013-03-05 2013-03-05 Dispositif d'ascenseur et procédé pour détecter une position de cabine d'ascenseur

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Application Number Priority Date Filing Date Title
PCT/JP2013/055937 WO2014136200A1 (fr) 2013-03-05 2013-03-05 Dispositif d'ascenseur et procédé pour détecter une position de cabine d'ascenseur

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016060618A (ja) * 2014-09-19 2016-04-25 株式会社日立ビルシステム テールコードレスエレベータ用信号伝送装置
EP3150535A1 (fr) * 2015-09-30 2017-04-05 Inventio AG Agencement de détecteur de position rfid pour un ascenseur
CN107226402A (zh) * 2017-07-10 2017-10-03 中山市图睿信息科技有限公司 一种电梯传感装置及电梯
AT520725B1 (de) * 2018-05-29 2019-07-15 Weigl Liftsysteme Gmbh Positions- und Bewegungszustandssensor für Aufzugsanlagen
CN115279680A (zh) * 2020-03-27 2022-11-01 三菱电机株式会社 电梯位置检测装置和使用了该装置的电梯控制系统

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09110323A (ja) * 1995-10-20 1997-04-28 Lg Ind Syst Co Ltd エレベータ位置検出器の故障判断方法
JP2006298570A (ja) * 2005-04-20 2006-11-02 Hitachi Plant Technologies Ltd 管理対象物の通過監視システム
JP2007008638A (ja) * 2005-06-29 2007-01-18 Mitsubishi Electric Corp エレベータのかご位置検出装置
JP2007521208A (ja) * 2003-10-31 2007-08-02 オーチス　エレベータ　カンパニー 無線周波数ｉｄおよび低解像度ｃｃｄセンサを用いた位置決めシステム
JP2011102163A (ja) * 2009-11-10 2011-05-26 Hitachi Ltd エレベーターシステム及びエレベーターシステムの制御方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09110323A (ja) * 1995-10-20 1997-04-28 Lg Ind Syst Co Ltd エレベータ位置検出器の故障判断方法
JP2007521208A (ja) * 2003-10-31 2007-08-02 オーチス　エレベータ　カンパニー 無線周波数ｉｄおよび低解像度ｃｃｄセンサを用いた位置決めシステム
JP2006298570A (ja) * 2005-04-20 2006-11-02 Hitachi Plant Technologies Ltd 管理対象物の通過監視システム
JP2007008638A (ja) * 2005-06-29 2007-01-18 Mitsubishi Electric Corp エレベータのかご位置検出装置
JP2011102163A (ja) * 2009-11-10 2011-05-26 Hitachi Ltd エレベーターシステム及びエレベーターシステムの制御方法

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016060618A (ja) * 2014-09-19 2016-04-25 株式会社日立ビルシステム テールコードレスエレベータ用信号伝送装置
EP3150535A1 (fr) * 2015-09-30 2017-04-05 Inventio AG Agencement de détecteur de position rfid pour un ascenseur
CN107226402A (zh) * 2017-07-10 2017-10-03 中山市图睿信息科技有限公司 一种电梯传感装置及电梯
CN107226402B (zh) * 2017-07-10 2023-03-31 中山市图睿信息科技有限公司 一种电梯传感装置及电梯
AT520725B1 (de) * 2018-05-29 2019-07-15 Weigl Liftsysteme Gmbh Positions- und Bewegungszustandssensor für Aufzugsanlagen
AT520725A4 (de) * 2018-05-29 2019-07-15 Weigl Liftsysteme Gmbh Positions- und Bewegungszustandssensor für Aufzugsanlagen
CN115279680A (zh) * 2020-03-27 2022-11-01 三菱电机株式会社 电梯位置检测装置和使用了该装置的电梯控制系统
CN115279680B (zh) * 2020-03-27 2023-11-28 三菱电机株式会社 电梯位置检测装置和使用了该装置的电梯控制系统

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