WO2005092769A1 - Système de contrôle d’élévateur - Google Patents

Système de contrôle d’élévateur Download PDF

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Publication number
WO2005092769A1
WO2005092769A1 PCT/JP2004/004256 JP2004004256W WO2005092769A1 WO 2005092769 A1 WO2005092769 A1 WO 2005092769A1 JP 2004004256 W JP2004004256 W JP 2004004256W WO 2005092769 A1 WO2005092769 A1 WO 2005092769A1
Authority
WO
WIPO (PCT)
Prior art keywords
car
abnormality
elevator
motor
unit
Prior art date
Application number
PCT/JP2004/004256
Other languages
English (en)
Japanese (ja)
Inventor
Yoshitaka Kariya
Masaya Sakai
Takaharu Ueda
Original Assignee
Mitsubishi Denki Kabushiki Kaisha
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 Mitsubishi Denki Kabushiki Kaisha filed Critical Mitsubishi Denki Kabushiki Kaisha
Priority to PCT/JP2004/004256 priority Critical patent/WO2005092769A1/fr
Priority to EP04723705A priority patent/EP1728752B1/fr
Priority to JP2006511366A priority patent/JP4896711B2/ja
Priority to CN200480041841.1A priority patent/CN1918061B/zh
Publication of WO2005092769A1 publication Critical patent/WO2005092769A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B1/00—Control systems of elevators in general
    • B66B1/24—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration
    • B66B1/28—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration electrical
    • B66B1/30—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration electrical effective on driving gear, e.g. acting on power electronics, on inverter or rectifier controlled motor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B1/00—Control systems of elevators in general
    • B66B1/24—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration
    • B66B1/28—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration electrical
    • B66B1/285—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration electrical with the use of a speed pattern generator
    • 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
    • B66B1/3476—Load weighing or car passenger counting devices

Definitions

  • the present invention relates to an elevator control device in which the maximum speed and acceleration of a car are made variable according to the car load.
  • the load is controlled according to the load in the car (hereinafter referred to as "car load").
  • the maximum speed and acceleration (including deceleration) of the car are changed within the driving range of the motor and the electric equipment that drives it. This will make use of the remaining power of the motor and improve the efficiency of car operation.
  • the present invention has been made to solve the above-described problems, and can prevent a secondary device from malfunctioning when the elevator is abnormal, and can improve reliability.
  • the purpose is to obtain a control device for the whole night.
  • the elevator control apparatus according to the present invention is configured to cause the car to travel at an increased maximum speed and acceleration when the difference between the weight of the car and the weight of the counterweight is smaller than when the difference is large.
  • a motor control unit that controls the operation of the motor unit that raises and lowers the car according to the load weight in the car, and an abnormality detection unit that detects abnormalities in the elevator. When an abnormality is detected by the abnormality detection unit, the operation mode of the motor control unit is switched from the normal mode to the abnormal mode.
  • FIG. 1 is a configuration diagram illustrating an elevator apparatus according to Embodiment 1 of the present invention
  • FIG. 2 is a block diagram illustrating a specific configuration example of an elevator controller of FIG. 1, and
  • FIG. 4 is a timing chart showing a car speed control method according to a third example of the abnormal mode according to the first embodiment.
  • FIG. 5 is a timing chart showing a car speed control method according to a third example of the abnormal mode according to Embodiment 1.
  • FIG. 6 is a configuration diagram illustrating an elevator apparatus according to Embodiment 2 of the present invention
  • FIG. 7 is an explanatory diagram illustrating a first example of an abnormality determination method by an abnormality determination unit in FIG. 6,
  • FIG. 9 is an explanatory diagram showing a second example of the abnormality determination method
  • FIG. 9 is a flowchart showing the operation of the elevator control device of FIG. 6 during car travel
  • FIG. 10 is a flowchart of the elevator control device of FIG. 6 is a flowchart showing an operation during a car stop.
  • FIG. 1 is a configuration diagram showing an elevator apparatus according to Embodiment 1 of the present invention.
  • a driving device (winding machine) 1 is installed above the hoistway.
  • Hoisting machine 1 has a motor section 2 and a drive sheave 3 rotated by the motor section 2.
  • the motor unit 2 is provided with a brake device (not shown) for braking the rotation of the drive sheave 3.
  • a rotatable deflector 4 is provided above the hoistway.
  • a plurality of (only one is shown in the figure) main ropes 5 are wound around the drive sheave 3 and the deflector wheel 4.
  • a basket 6 is suspended from one end of the main rope 5.
  • a counterweight 7 is installed at the other end of the main port 5.
  • the weight of the counterweight 7 is set to be balanced when the loaded weight of the car 6 is about half of the full load.
  • the operation of motor section 2 is powered and driven by inverter 8.
  • the load weight (car load) in the car 6 is detected by the car load detection unit 9.
  • the car load detecting unit 9 for example, a known weighing device can be used.
  • the elevator controller for controlling the inverter 8 has a motor controller 10 and an abnormality detector 11.
  • the detection signal from the car load detector 9 is sent to the motor controller 10.
  • the motor control unit 10 controls the driving of the motor unit 2 in accordance with the speed pattern generated by the speed pattern generation unit 12 and the speed pattern generation unit 12 that calculates the speed pattern of the car 6.
  • a speed control unit 13 for controlling the speed. Further, the speed control unit 13 has a means for executing a control program of the impeller 8.
  • the speed pattern generation unit 12 generates a speed pattern that reaches the destination floor in the shortest time according to the loaded weight in the car 6. Specifically, the speed pattern generation unit 12 calculates the difference between the weight of the car 6 and the weight of the counterweight 7 (the amount of unbalance) based on the information on the car load obtained from the car load detection unit 9. It has an unbalance amount calculation unit that calculates Further, when the unbalance amount is small, the speed pattern generation unit 12 sets the maximum speed and acceleration (decreased) within the allowable driving range of the motor unit 2 and the impeller 8 more than when the unbalance amount is large. (Including speed) is generated.
  • the maximum speed here is the maximum speed in one speed pattern, and is usually the speed when traveling at a constant speed.
  • the abnormality detecting unit 11 detects an abnormal state of the elevator by a signal from a sensor such as a temperature sensor or a car load detecting unit 9, for example.
  • the information is sent to at least one of the speed pattern generator 12 and the speed controller 13.
  • the operation mode of the motor control unit 10 changes from the normal mode to the abnormal mode. Can be switched to hour mode.
  • the control unit 10 stops the car 8 suddenly, for example.
  • the motor control unit 10 lowers the maximum speed of the car 6.
  • the motor control unit 10 sets the maximum speed and acceleration of the car 6 in the same manner as when the unbalance amount is large for the car 6 after the next run.
  • FIG. 2 is a block diagram showing a specific configuration example of the elevator control device of FIG.
  • the elevator control device is provided with an input / output unit 14, a CPU (processing unit) 15 and a storage unit 16, which serve as both a motor control unit 10 and an abnormality detection unit 11. ing.
  • a detection signal from a sensor and a car load detection unit 9 for detecting an abnormality in the elevator is input to the CPU 15 through the input / output unit 14.
  • a command signal to the inverter 8 is output from the input / output unit 14.
  • the storage unit 16 includes a ROM that stores a program and the like and a RAM that temporarily stores data used for calculation in the CPU 15.
  • the ROM of the storage unit 16 stores a program for generating a speed pattern, a program for determining whether or not there is an abnormality in the elevator, a program for switching operation modes according to the state of the elevator, In addition, information on the operation method for each operation mode is stored in advance.
  • the CPU 15 performs an arithmetic process at each arithmetic cycle based on the program stored in the storage unit 16.
  • FIG. 3 is a timing chart showing a car speed control method according to a first example of the abnormal mode in the first embodiment.
  • the speed pattern generator 8 When the maximum speed and acceleration of the car 6 are increased, if an abnormality is detected by the abnormality detection unit 11, the information is sent to the speed control unit 13 to stop the car 6 suddenly. A command signal is output from the speed controller 13 to the inverter 8. As a result, the supply of electric power to the motor section 2 is stopped, and the rotation of the drive sheave 3 is braked by the brake device of the motor section 2, and the car 6 is suddenly stopped.
  • FIG. 4 is a timing chart showing a car speed control method according to a second example of the abnormal mode in the first embodiment.
  • the second example when the maximum speed and acceleration of the car 6 are increased by the speed pattern generation unit 8 and the abnormality is detected by the abnormality detection unit 11, the information is transmitted to the speed pattern generation unit 12. Sent and the maximum speed of car 6 is reduced. Such reduction of the maximum speed is performed promptly so that the motor section 2 or the inverter section 8 does not fail, and smoothly so that the car 6 does not generate vibration.
  • FIG. 5 is a timing chart showing a car speed control method according to a third example of the abnormal mode in the first embodiment.
  • the third example when the maximum speed and acceleration of the car 6 are increased by the speed pattern generation unit 8 and an abnormality is detected by the abnormality detection unit 11, the information is sent to the speed pattern generation unit 12.
  • the maximum speed and acceleration of the car 6 will be limited to the same level as when the difference between the weight of the car 6 and the weight of the counterweight 7 is large.
  • the information is sent to the speed pattern generating unit 12 so that the vehicle can run with the maximum speed and acceleration increased again.
  • the maximum speed and the acceleration may not be able to be increased again until, for example, confirmation by a maintenance person or the like is completed.
  • the maintenance staff should operate the reset switch after confirming, so that the maximum speed and acceleration can be increased again according to the operation of the reset switch.
  • Embodiment 2 According to such an elevator control apparatus, it is possible to prevent a secondary device from malfunctioning when the elevator is abnormal, and to improve reliability.
  • FIG. 6 is a configuration diagram showing an elevator apparatus according to Embodiment 2 of the present invention.
  • the abnormality detecting section 11 is provided with an abnormality determining section 18 for determining an abnormal state of the elevator.
  • the abnormality judging section 18 judges an abnormal state based on signals from the car load detecting section 9, the speed control section 13 and the temperature detecting section 17, and outputs information on the abnormality to the speed pattern generating section 12 and the speed.
  • Send to control unit 13 Other configurations are the same as those in the first embodiment.
  • FIG. 7 is an explanatory diagram showing a first example of the abnormality determination method by the abnormality determination unit 18 of FIG.
  • the abnormality determination unit 18 calculates, for example, a difference ⁇ between the motor torque value 1 during traveling at a constant speed and the torque value r0 obtained from the output signal of the car load detection unit 9, and ⁇ is calculated in advance. It is determined that an abnormality has occurred when the difference is equal to or greater than the set threshold.
  • the motor torque value 1 during constant speed running may be directly measured by, for example, a torque meter, or a torque command value which is an internal signal of the speed control unit 13 may be used.
  • the above is the detection of an abnormality during traveling of the car 6, but the abnormality can be detected even while the car 6 is stopped. For example, even when the amount of change in the output signal of the car load detector 9 does not fall within a preset range and continues to change, it can be detected as an abnormality of the car load detector 9. When such an abnormality is detected, for example, the maximum speed and acceleration for the next run can be prevented from increasing.
  • FIG. 8 is an explanatory diagram showing a second example of the abnormality determination method by the abnormality determination unit 18 in FIG.
  • the abnormality determination unit 18 determines the degree of abnormality in the elevator every step. That is, when the motor temperature is below the preset abnormal level ⁇ , the maximum speed and acceleration are increased to enable the vehicle to run.
  • the maximum speed is reduced, for example, when the car 6 is traveling ((a) in the figure). Avoid increasing speed and acceleration. If the motor temperature drops below the abnormal level A ((b) in the figure), the maximum speed and acceleration are increased again. Be executable.
  • the abnormality level is divided into three stages and the response method is changed, but may be divided into two stages or four or more stages.
  • a portion having an abnormal level of A or more and B or less may be divided stepwise or continuously, and the upper limit value of both or both of the maximum speed and the acceleration may be limited.
  • the temperature of the evening was detected, but the same applies to the temperature of the evening.
  • the temperature of the regenerative resistor can be similarly considered.
  • the abnormality detection levels of the motor temperature, the inverter temperature and the regenerative resistance temperature may all be the same, but it is better to set them individually.
  • the temperature detector 17 may directly measure the temperature using a temperature detector (temperature sensor) such as a temperature sensor, or may use a motor current value or an internal signal of the speed controller 13 for example. May be calculated from the motor torque command value. Also, the temperature of the regenerative resistor may be directly measured using a temperature detector, or the regenerative electric energy may be calculated to estimate the temperature rise.
  • a temperature detector temperature sensor
  • a motor current value or an internal signal of the speed controller 13 May be calculated from the motor torque command value.
  • the temperature of the regenerative resistor may be directly measured using a temperature detector, or the regenerative electric energy may be calculated to estimate the temperature rise.
  • FIG. 9 is a flowchart showing the operation of the elevator control apparatus of FIG. 6 during the car traveling. Note that this decision algorithm is realized by a review as shown in Fig. 2.
  • step S 1 it is determined whether or not the temperature detected by the temperature detecting section 17 is below the abnormal level B (step S 1). Then, when the detected temperature exceeds the abnormal level B, the car 6 is suddenly stopped (step S 2).
  • step S3 If the detected temperature is below the abnormal level B, it is determined whether the detected temperature is above the abnormal level A (step S3). If the detected temperature is equal to or higher than the abnormal level A, it is determined whether the maximum speed and the acceleration have been increased (step S4). If the vehicle is traveling with the maximum speed and acceleration increased, lower the maximum speed (Step S If the detected temperature is below the abnormal level A, or if the vehicle is running without increasing the maximum speed and acceleration, keep the state as it is.
  • step S6 After checking the detected temperature, check if there is any abnormality in the car load detection. That is, it is determined whether or not the difference between the motor torque 1 at a constant speed and the torque value 0 obtained from the output signal of the car load detector is equal to or greater than a preset threshold 1 (step S6). ) o ⁇ If the key is 1 or more, the car load detector 9 is abnormal, the car 6 and the counterweight 7 have a running loss, or the drive unit 1 has a mechanical loss. (Step S7). If the number is less than 1, turn off the car load detection error signal (step S8). This car load detection abnormal signal is used to determine the abnormal state during stop described below.
  • FIG. 10 is a flowchart showing the operation of the elevator controller of FIG. 6 during the car stop. Of course, this judgment algorithm is also realized by the combination shown in FIG.
  • step S11 it is determined whether the temperature detected by the temperature detecting unit 17 is equal to or lower than the abnormal level B. Then, if the detected temperature exceeds the abnormal level B, the start of the operation is prohibited (step S12).
  • step S13 If the detected temperature is below the abnormal level B, it is determined whether the detected temperature is above the abnormal level A (step S13). Then, when the detected temperature is equal to or higher than the abnormal level A, the maximum speed and acceleration of the car 6 are set so as not to increase for the next run of the car 6 (step S14). That is, the maximum speed and acceleration of the car 6 are set to be the same as when the difference between the weight of the car 6 and the weight of the counterweight 7 is large.
  • step S15 If the detected temperature is lower than the abnormal level A, it is determined whether the car load detection abnormal signal is ON (step S15). If the car load detection abnormal signal is ON, the maximum speed and acceleration of the car 6 are set so as not to increase for the next and subsequent runs of the car 6 (step S14).
  • Step S If the car load detection abnormal signal is OFF, it is determined whether or not the amount of change ⁇ in the output signal of the car load detection unit 9 is larger than a preset threshold value 2 (Step S).
  • step S17 it is determined that the vehicle is in a normal state, and the vehicle can run at an increased maximum speed and acceleration (step S17).
  • the car load detecting unit 9 fails, the car 6 and the counterweight 7 increase in traveling loss abnormally, the drive unit 1 increases in mechanical loss, and the motor temperature changes. Even if a primary failure occurs, such as abnormal temperature rise of the inverter and the temperature of the inverter, the failure of the motor section 2 and the inverter 8 can be prevented from occurring secondarily, and a highly reliable and efficient elevator Evening can be provided.
  • the storage unit is a ROM and a RAM, but may be, for example, a hard disk device. Further, a storage medium such as a CD-ROM may be used as the ROM.

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  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Maintenance And Inspection Apparatuses For Elevators (AREA)
  • Elevator Control (AREA)

Abstract

Système de contrôle d’élévateur qui modifie la vitesse maximale et l’accélération de la cage en fonction du poids de la charge de la cage, et qui comprend une unité de contrôle moteur contrôlant le fonctionnement d'un moteur en fonction du poids de la charge de la cage et une unité de détection d’anomalie de l’élévateur. Lorsqu’une anomalie est détectée par l’unité de détection d’anomalie tandis que la cage fonctionne à vitesse maximale et en accélération croissante, le mode de fonctionnement de l'unité de contrôle moteur passe de normal à anormal.
PCT/JP2004/004256 2004-03-26 2004-03-26 Système de contrôle d’élévateur WO2005092769A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
PCT/JP2004/004256 WO2005092769A1 (fr) 2004-03-26 2004-03-26 Système de contrôle d’élévateur
EP04723705A EP1728752B1 (fr) 2004-03-26 2004-03-26 Systeme de controle de l'elevateur
JP2006511366A JP4896711B2 (ja) 2004-03-26 2004-03-26 エレベータ制御装置
CN200480041841.1A CN1918061B (zh) 2004-03-26 2004-03-26 电梯控制装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2004/004256 WO2005092769A1 (fr) 2004-03-26 2004-03-26 Système de contrôle d’élévateur

Publications (1)

Publication Number Publication Date
WO2005092769A1 true WO2005092769A1 (fr) 2005-10-06

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2004/004256 WO2005092769A1 (fr) 2004-03-26 2004-03-26 Système de contrôle d’élévateur

Country Status (4)

Country Link
EP (1) EP1728752B1 (fr)
JP (1) JP4896711B2 (fr)
CN (1) CN1918061B (fr)
WO (1) WO2005092769A1 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007197153A (ja) * 2006-01-26 2007-08-09 Mitsubishi Electric Corp エレベータの診断運転装置
JP2008056427A (ja) * 2006-08-31 2008-03-13 Toshiba Elevator Co Ltd エレベータ
JP2011042480A (ja) * 2009-08-24 2011-03-03 Mitsubishi Electric Corp エレベータ装置
WO2016091199A1 (fr) * 2014-12-11 2016-06-16 冯春魁 Procédé et système d'acquisition, de commande, et de surveillance de course et de charge d'un paramètre d'ascenseur
JP2016216145A (ja) * 2015-05-15 2016-12-22 三菱電機株式会社 エレベーター制御装置
JP2021004130A (ja) * 2019-06-27 2021-01-14 東芝エレベータ株式会社 昇降機監視方法、及び昇降機監視装置
JP2021139153A (ja) * 2020-03-04 2021-09-16 日本発條株式会社 駐車装置
JP7208425B1 (ja) 2022-02-09 2023-01-18 Dmg森精機株式会社 異常検出装置

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US7681697B2 (en) * 2005-08-25 2010-03-23 Mitsubishi Electric Corporation Elevator operation control device which controls the elevator based on a sensed temperature
CN101743187B (zh) * 2007-07-17 2012-11-28 因温特奥股份公司 具有电梯轿厢的电梯设备、用于使电梯轿厢在特殊运行中停运的制动装置以及用于使电梯轿厢在特殊运行中停运的方法
JP5196369B2 (ja) * 2008-03-05 2013-05-15 東芝エレベータ株式会社 エレベータのメンテナンスシステム
JP4588773B2 (ja) * 2008-03-13 2010-12-01 三菱電機株式会社 エレベータの異常検出装置
CN101683946B (zh) * 2008-09-27 2013-07-10 三菱电机大楼技术服务株式会社 电梯的诊断运转装置及诊断运转方法
EP2292546A1 (fr) * 2009-09-04 2011-03-09 Inventio AG Appareil et procédé pour détecter le blocage d'une cabine d'ascenseur le long de son parcours
CN102408050B (zh) * 2010-09-25 2015-05-06 倪建军 一种抗冲击载荷的施工升降机超载保护装置
CN103754718B (zh) * 2014-02-12 2016-03-09 大连奥远电子股份有限公司 电梯运行安全监测系统及其方法
JP6302363B2 (ja) * 2014-06-16 2018-03-28 株式会社日立製作所 エレベーター装置、及びエレベーター装置の制御装置
KR102333643B1 (ko) * 2017-06-27 2021-12-01 미쓰비시 덴키 빌딩 테크노 서비스 가부시키 가이샤 이상 검출 장치
JP7042184B2 (ja) * 2018-07-26 2022-03-25 株式会社日立ビルシステム エレベーター、エレベーター保守点検システムおよびエレベーター異常診断装置
CN117211735B (zh) * 2023-09-12 2024-04-19 大庆石油管理局有限公司 塔架式抽油机平衡重缓释装置

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JPH07330231A (ja) * 1994-06-09 1995-12-19 Hitachi Ltd エレベータの制御装置
JP2002003091A (ja) * 2000-06-22 2002-01-09 Toshiba Fa Syst Eng Corp エレベーター制御システム
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Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007197153A (ja) * 2006-01-26 2007-08-09 Mitsubishi Electric Corp エレベータの診断運転装置
JP2008056427A (ja) * 2006-08-31 2008-03-13 Toshiba Elevator Co Ltd エレベータ
JP2011042480A (ja) * 2009-08-24 2011-03-03 Mitsubishi Electric Corp エレベータ装置
WO2016091199A1 (fr) * 2014-12-11 2016-06-16 冯春魁 Procédé et système d'acquisition, de commande, et de surveillance de course et de charge d'un paramètre d'ascenseur
JP2016216145A (ja) * 2015-05-15 2016-12-22 三菱電機株式会社 エレベーター制御装置
JP2021004130A (ja) * 2019-06-27 2021-01-14 東芝エレベータ株式会社 昇降機監視方法、及び昇降機監視装置
JP2021139153A (ja) * 2020-03-04 2021-09-16 日本発條株式会社 駐車装置
JP7432394B2 (ja) 2020-03-04 2024-02-16 日本発條株式会社 駐車装置
JP7208425B1 (ja) 2022-02-09 2023-01-18 Dmg森精機株式会社 異常検出装置
WO2023153268A1 (fr) * 2022-02-09 2023-08-17 Dmg森精機株式会社 Dispositif de détection d'anomalie
JP2023116045A (ja) * 2022-02-09 2023-08-22 Dmg森精機株式会社 異常検出装置

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JPWO2005092769A1 (ja) 2008-02-14
EP1728752B1 (fr) 2011-06-01
EP1728752A4 (fr) 2009-11-11
JP4896711B2 (ja) 2012-03-14
CN1918061B (zh) 2011-07-20
EP1728752A1 (fr) 2006-12-06
CN1918061A (zh) 2007-02-21

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