WO2007046129A1 - エレベータ装置 - Google Patents
エレベータ装置 Download PDFInfo
- Publication number
- WO2007046129A1 WO2007046129A1 PCT/JP2005/019044 JP2005019044W WO2007046129A1 WO 2007046129 A1 WO2007046129 A1 WO 2007046129A1 JP 2005019044 W JP2005019044 W JP 2005019044W WO 2007046129 A1 WO2007046129 A1 WO 2007046129A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- brake
- car
- stop command
- control unit
- force
- Prior art date
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
- B66B1/32—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration electrical effective on braking devices, e.g. acting on electrically controlled brakes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
Definitions
- the present invention relates to an elevator apparatus having first and second brake devices for braking the running of a car.
- a plurality of brake devices for emergency stop of a force are provided in a lifting machine. If an emergency stop signal is issued during a coasting operation, the current position force of the force Force emergency stop torque TS and force force required to stop the force at the remaining distance to the final floor in the driving direction The static holding torque TL required for holding in a static state is calculated. The larger one of TS and TL is selected as the required braking torque T, and the car is emergency-stopped by generating this required braking torque T with the minimum number of brake devices (see, for example, Patent Document 1). ).
- Patent Document 1 Japanese Patent Laid-Open No. 2001-278572
- the present invention has been made to solve the above-described problem, and an elevator apparatus capable of preventing an excessive deceleration when a sudden stop command is generated with a simple configuration.
- the purpose is to obtain.
- An elevator apparatus includes a car, first and second brake devices that brake traveling of a force, and a brake control unit that controls operations of the first and second brake devices.
- the brake control unit first causes the first brake device to perform a braking operation, and when the force deceleration after a predetermined time elapses is below a predetermined value,
- FIG. 1 is a configuration diagram showing an elevator apparatus according to Embodiment 1 of the present invention.
- FIG. 2 is a circuit diagram showing control circuits of the first and second brake devices of FIG. 1.
- FIG. 3 is a flowchart showing the operation of the brake control unit of FIG.
- FIG. 4 A timing chart showing the relationship between the car speed, car acceleration, first contact state, and second contact state when a sudden stop command is issued during the regenerative operation of the elevator system shown in Fig. 1. .
- FIG. 5 Timing chart showing the relationship between force speed, car acceleration, first contact status, and second contact status when a sudden stop command is generated during the coasting operation of the elevator system of Fig. 1 It is.
- FIG. 6 is a timing chart showing the relationship among the car speed, the car acceleration, the state of the first contact, and the state of the second contact when the emergency stop command of the elevator apparatus of FIG. 1 is generated.
- FIG. 1 is a configuration diagram showing an elevator apparatus according to Embodiment 1 of the present invention.
- the car 1 and the counterweight 2 are suspended in the hoistway by the main rope 3 and are raised and lowered in the hoistway by the driving force of the lifting machine 4.
- the hoisting machine 4 includes a drive sheave 5 around which the main rope 3 is wound, a motor 6 that rotates the drive sheave 5, and a braking means 7 that brakes the rotation of the drive sheave 5.
- the braking means 7 includes a brake wheel 8 that is rotated integrally with the drive sheave 5, and first and second brake devices 9 and 10 that brake the rotation of the brake wheel 8.
- the first brake device 9 includes a first brake shoe 11 that contacts and separates from the brake wheel 8, a first brake spring (not shown) that presses the first brake shoe 11 against the brake wheel 8, A first brake release coil 12 is provided for releasing the first brake shoe 11 from the brake wheel 8 against the brake spring 1.
- the second brake device 10 includes a second brake shoe 13 that contacts and separates from the brake wheel 8, A second brake spring (not shown) that presses the second brake shoe 13 against the brake wheel 8 and a second brake spring 13 that separates the second brake shoe 13 from the brake wheel 8 against the second brake spring.
- the brake release coil 14 is provided.
- the motor 6 is provided with a speed detector 15 that generates a signal corresponding to the rotational speed of the rotating shaft, that is, the rotational speed of the drive sheave 5.
- a speed detector 15 that generates a signal corresponding to the rotational speed of the rotating shaft, that is, the rotational speed of the drive sheave 5.
- an encoder is used as the speed detector 15.
- the control panel 16 is provided with a power converter 17 such as an inverter that supplies power to the motor 6 and an elevator controller 18.
- the elevator control device 18 includes an operation control unit 19 and a brake control unit 20.
- the operation control unit 19 controls the power conversion device 17 and the brake control unit 20 according to the signal from the speed detector 15.
- the brake control unit 20 controls the first and second brake devices 9 and 10 according to a command from the operation control unit 19 and a signal from the speed detector 15.
- the brake control unit 20 causes the first and second brake devices 9 and 10 to perform a braking operation so that the stationary force 1 is kept stationary. Hold.
- the brake devices 9 and 10 first brake the first brake device 9 to decelerate the car 1 after a predetermined time (negative acceleration).
- the second brake device 10 is braked when the absolute value of is less than or equal to a predetermined value.
- the brake control unit 20 immediately causes both the first and second brake devices 9 and 10 to perform a braking operation.
- the sudden stop command and the emergency stop command are issued by a safety monitoring device or the like that monitors the safety of the elevator device, and input to the brake control unit 20.
- the sudden stop command is issued, for example, when a failure of the speed detector 15, a failure of the power conversion device 17, or an excessive speed of the car 1 is detected. That is, the sudden stop command is issued when the control of the force brake devices 9 and 10 which are not controllable by the motor 6 is possible. Therefore, when a sudden stop command is issued, the power supply to the motor 6 is quickly cut off.
- the emergency stop command is issued, for example, when the force 1 reaches the end of the hoistway.
- the elevator controller 18 includes an arithmetic processing unit (CPU), a storage unit (ROM, RAM, and hardware). And a computer having a signal input / output unit.
- the functions of the operation control unit 19 and the brake control unit 20 are realized by a computer. That is, a program for realizing the functions of the operation control unit 19 and the brake control unit 20 is stored in the storage unit of the computer.
- FIG. 2 is a circuit diagram showing a control circuit of the first and second brake devices 9 and 10 of FIG.
- the first and second brake release coils 12 and 14 are connected to the power source 21 in parallel with each other.
- a first contact 22 is connected in series to the first brake release coil 12. By closing the first contact 22, electric power is supplied to the first brake release coil 12 and the first brake device 9 is released. By opening the first contact 22, the power supply to the first brake release coil 12 is cut off, and the first brake device 9 performs a braking operation.
- a second contact 23 is connected to the second brake release coil 14 in series. By closing the second contact 23, electric power is supplied to the second brake release coil 14, and the second brake device 10 is released. By opening the second contact 23, the power supply to the second brake release coil 14 is cut off, and the second brake device 10 performs a braking operation.
- a first diode 24 and a first electric resistance 25 are connected in parallel to the first brake release coil 12.
- the circuit composed of the first diode 24 and the first electric resistor 25 protects the brake control unit 20 from the counter electromotive force generated in the first brake release coil 12 when the first contact 22 is opened.
- a second diode 26 and a second electric resistor 27 are connected in parallel to the second brake release coil 14.
- the circuit composed of the second diode 26 and the second electric resistor 27 protects the brake control unit 20 from the counter electromotive force generated in the second brake release coil 14 when the second contact 23 is opened.
- FIG. 3 is a flowchart showing the operation of the brake control unit 20 of FIG.
- the brake control unit 20 repeatedly executes the operation shown in FIG. 3 at a predetermined cycle.
- the brake controller 20 determines whether the car 1 is stopped (step S1), whether the emergency stop command is issued (step S2), and whether an emergency stop command is issued (step S1). Monitor S3). If car 1 is stopped, the counter value is set to 0 (step S4). When an emergency stop command is issued, a command to turn off the first and second contacts 22 and 23 is output (step S5). If the force 1 is running and neither an emergency stop command nor a sudden stop command has been issued, the current process is terminated. That is, the car 1 continues to run.
- Step S6 When the force 1 is running, the emergency stop command is not issued, and the emergency stop command is issued, the command to turn off the first contact 22 is output (step S6), and the counter value Add 1 to (Step S7). After this, it is determined whether the force has reached the preset value tl, that is, whether a predetermined time has elapsed by outputting a command to turn off the first contact 22 in response to the sudden stop command. (Step S8). And the counter value reaches the set value tl! If not (cnt ⁇ tl), the process is terminated.
- step S9 it is determined whether or not the acceleration of the car 1 is greater than or equal to a threshold value a L (step S9). In other words, it is determined whether the deceleration of the car 1 is less than a predetermined value.
- the acceleration of the force 1 can be obtained by subjecting the speed obtained from the signal from the speed detector 15 to differential processing or high-noise filtering.
- the process is terminated. That is, the first contact 22 is opened, and the second contact 23 is kept closed and monitoring is continued. If the acceleration of the car 1 is greater than or equal to the threshold ⁇ L, that is, if the deceleration of the car 1 is less than or equal to a predetermined value, a command to turn off the second contact 23 is output (step S10).
- FIG. 4 shows the relationship between the car speed, the car acceleration, the state of the first contact 22 and the state of the second contact 23 when a sudden stop command is generated during the regenerative operation of the elevator apparatus of FIG. It is a timing chart.
- the speed is shown with car 1 traveling in the positive direction.
- the gravitational acceleration is increased in the direction, such as when the car 1 is lifted with no load or when the car 1 is fully lowered. Work.
- FIG. 5 shows the relationship between the car speed, the car acceleration, the state of the first contact 22, and the state of the second contact 23 when a sudden stop command is issued during the coasting operation of the elevator apparatus of FIG. It is a timing chart shown. While the elevator system is running, gravity acceleration works in a direction that makes it easier to stop the car 1, such as when the car 1 is descending with no load or when the car 1 is full. , Te, ru
- the cab operation is an operation in a direction in which the car 1 can be easily stopped
- the acceleration of the car 1 is monitored, and the car 1 is decelerated mainly only by the braking force of the first brake device 9.
- the deceleration of the car 1 can be prevented from becoming excessive, and the discomfort given to the passengers in the car 1 can be reduced.
- the braking force by the second brake device 10 is applied when the vehicle is sufficiently decelerated, when the car 1 stops completely, the first and second brake devices 9 and 10 make the car 1 more reliable. Can be stationary. That is, according to the elevator apparatus of the first embodiment, it is possible to prevent the deceleration when the sudden stop command is generated from becoming excessive with a simple configuration.
- FIG. 6 is a timing chart showing the relationship between the car speed, the car calorie speed, the state of the first contact 22 and the state of the second contact 23 when the emergency stop command of the elevator apparatus of FIG. 1 is generated. Is. When an emergency stop command is generated at time tl, the first and second contacts 22, 23 are simultaneously and immediately opened. As a result, the braking force by the first and second braking devices 9 and 10 is simultaneously generated, and the car 1 is quickly stopped.
- the first and second brake devices 9, 10 are braked simultaneously, thereby providing a shock absorber (The car 1 can be stopped with an impact smaller than the impact generated when it collides with (not shown).
- the acceleration of the car 1 is obtained from the output of the speed detector 15 provided in the lifting machine 4.
- the speed detection provided in another position such as a governor or a force Find the acceleration of the force from the output of the instrument.
- the brake control unit 20 is provided as a part of the function of the elevator control device 18.
- the brake control unit 20 may be provided in another device such as a safety monitoring device that monitors the safety of the elevator device.
- the brake control unit should be configured as a device independent of the elevator control device and safety monitoring device.
- the function of the brake control unit can also be realized by an electric circuit that processes analog signals.
- the first and second brake devices 9 and 10 are provided in the hoisting machine 4, but they may be provided in other positions. That is, the first and second brake devices may be, for example, a car brake mounted on a car or a rope brake that grips the main rope to brake the car! / ⁇ Furthermore, the first brake device And the second brake device may be arranged at different locations. Furthermore, in the above example, a brake device having three or more forces using two brake devices 9 and 10 may be used. In this case, brake devices are divided into first and second groups. The same control as in the first embodiment may be performed.
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Elevator Control (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN200580037176.3A CN101056813B (zh) | 2005-10-17 | 2005-10-17 | 电梯装置 |
PCT/JP2005/019044 WO2007046129A1 (ja) | 2005-10-17 | 2005-10-17 | エレベータ装置 |
JP2006529380A JP4980058B2 (ja) | 2005-10-17 | 2005-10-17 | エレベータ装置 |
EP05793494.5A EP1939125B1 (en) | 2005-10-17 | 2005-10-17 | Elevator device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2005/019044 WO2007046129A1 (ja) | 2005-10-17 | 2005-10-17 | エレベータ装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2007046129A1 true WO2007046129A1 (ja) | 2007-04-26 |
Family
ID=37962232
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/019044 WO2007046129A1 (ja) | 2005-10-17 | 2005-10-17 | エレベータ装置 |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1939125B1 (ja) |
JP (1) | JP4980058B2 (ja) |
CN (1) | CN101056813B (ja) |
WO (1) | WO2007046129A1 (ja) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009215047A (ja) * | 2008-03-12 | 2009-09-24 | Toshiba Elevator Co Ltd | エレベータの制御装置 |
WO2009146717A1 (en) * | 2008-06-03 | 2009-12-10 | Otis Elevator Company | Single brakeshoe test (electrica) for elevators |
JP2010105795A (ja) * | 2008-10-31 | 2010-05-13 | Hitachi Ltd | エレベーター |
JP2015521144A (ja) * | 2012-05-31 | 2015-07-27 | コネ コーポレイションKone Corporation | ブレーキコントローラ、エレベータシステム、および周波数変換器を使用して駆動されるエレベータ巻上機の緊急停止を行う方法 |
US9637349B2 (en) | 2010-11-04 | 2017-05-02 | Otis Elevator Company | Elevator brake including coaxially aligned first and second brake members |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9120644B2 (en) | 2010-05-21 | 2015-09-01 | Otis Elevator Company | Braking device |
JP2012020825A (ja) * | 2010-07-13 | 2012-02-02 | Toshiba Elevator Co Ltd | エレベータのブレーキ制御装置 |
JP5909505B2 (ja) * | 2011-02-04 | 2016-04-26 | オーチス エレベータ カンパニーOtis Elevator Company | ブレーキ装置の制動の順序付け |
US10934131B2 (en) | 2015-02-05 | 2021-03-02 | Otis Elevator Company | Ropeless elevator control system |
US10207896B2 (en) | 2017-01-30 | 2019-02-19 | Otis Elevator Company | Elevator machine brake control |
US11046552B2 (en) * | 2018-03-27 | 2021-06-29 | Otis Elevator Company | Method and system of reducing false actuation of safety brakes in elevator system |
US11078045B2 (en) | 2018-05-15 | 2021-08-03 | Otis Elevator Company | Electronic safety actuator for lifting a safety wedge of an elevator |
DE102018214251B3 (de) * | 2018-08-23 | 2020-01-09 | Thyssenkrupp Ag | Aufzugsanlage |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59190769U (ja) * | 1983-06-06 | 1984-12-18 | 三菱電機株式会社 | エレベ−タの非常停止装置 |
JPH03243576A (ja) * | 1990-02-21 | 1991-10-30 | Mitsubishi Electric Corp | エレベータのブレーキ装置 |
JP2001278572A (ja) * | 2000-03-29 | 2001-10-10 | Mitsubishi Electric Corp | エレベータの非常停止装置 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59190769A (ja) * | 1983-04-14 | 1984-10-29 | Oki Electric Ind Co Ltd | 電話交換装置の内線発呼方式 |
DE9210608U1 (de) * | 1992-08-08 | 1992-10-15 | C. Haushahn GmbH & Co, 7000 Stuttgart | Aufzugsfangvorrichtung |
JPH07157211A (ja) * | 1993-12-03 | 1995-06-20 | Mitsubishi Electric Corp | エレベーターのブレーキ装置 |
JPH07206288A (ja) * | 1994-01-14 | 1995-08-08 | Toshiba Corp | エレベーター |
FI109684B (fi) | 1998-03-23 | 2002-09-30 | Kone Corp | Menetelmä vetopyörähissin jarruttamiseksi ja vetopyörähissi |
JP4566337B2 (ja) * | 2000-06-02 | 2010-10-20 | 三菱電機株式会社 | エレベータ用非常止め装置 |
FI119877B (fi) | 2005-08-19 | 2009-04-30 | Kone Corp | Hissin turvajärjestely |
-
2005
- 2005-10-17 EP EP05793494.5A patent/EP1939125B1/en active Active
- 2005-10-17 JP JP2006529380A patent/JP4980058B2/ja not_active Expired - Fee Related
- 2005-10-17 WO PCT/JP2005/019044 patent/WO2007046129A1/ja active Application Filing
- 2005-10-17 CN CN200580037176.3A patent/CN101056813B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59190769U (ja) * | 1983-06-06 | 1984-12-18 | 三菱電機株式会社 | エレベ−タの非常停止装置 |
JPH03243576A (ja) * | 1990-02-21 | 1991-10-30 | Mitsubishi Electric Corp | エレベータのブレーキ装置 |
JP2001278572A (ja) * | 2000-03-29 | 2001-10-10 | Mitsubishi Electric Corp | エレベータの非常停止装置 |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009215047A (ja) * | 2008-03-12 | 2009-09-24 | Toshiba Elevator Co Ltd | エレベータの制御装置 |
WO2009146717A1 (en) * | 2008-06-03 | 2009-12-10 | Otis Elevator Company | Single brakeshoe test (electrica) for elevators |
JP2011524316A (ja) * | 2008-06-03 | 2011-09-01 | オーチス エレベータ カンパニー | エレベータの(電気的)個別ブレーキシュー検査 |
US8746413B2 (en) | 2008-06-03 | 2014-06-10 | Otis Elevator Company | Single brakeshoe test (electrical) for elevators |
JP2010105795A (ja) * | 2008-10-31 | 2010-05-13 | Hitachi Ltd | エレベーター |
US9637349B2 (en) | 2010-11-04 | 2017-05-02 | Otis Elevator Company | Elevator brake including coaxially aligned first and second brake members |
JP2015521144A (ja) * | 2012-05-31 | 2015-07-27 | コネ コーポレイションKone Corporation | ブレーキコントローラ、エレベータシステム、および周波数変換器を使用して駆動されるエレベータ巻上機の緊急停止を行う方法 |
JP2017214223A (ja) * | 2012-05-31 | 2017-12-07 | コネ コーポレイションKone Corporation | ブレーキコントローラおよびエレベータシステム |
Also Published As
Publication number | Publication date |
---|---|
CN101056813B (zh) | 2011-08-17 |
JPWO2007046129A1 (ja) | 2009-04-23 |
EP1939125B1 (en) | 2015-03-11 |
CN101056813A (zh) | 2007-10-17 |
EP1939125A1 (en) | 2008-07-02 |
EP1939125A4 (en) | 2012-09-05 |
JP4980058B2 (ja) | 2012-07-18 |
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