WO2007055020A1 - エレベータ装置 - Google Patents
エレベータ装置 Download PDFInfo
- Publication number
- WO2007055020A1 WO2007055020A1 PCT/JP2005/020824 JP2005020824W WO2007055020A1 WO 2007055020 A1 WO2007055020 A1 WO 2007055020A1 JP 2005020824 W JP2005020824 W JP 2005020824W WO 2007055020 A1 WO2007055020 A1 WO 2007055020A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- scale
- force
- car
- elevator
- inspection
- 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
- B66B1/34—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
- B66B1/3484—Load weighing or car passenger counting devices using load cells
-
- 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
-
- 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
- B66B5/14—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions in case of excessive loads
Definitions
- the present invention relates to an elevator apparatus having a scale device that generates a signal corresponding to a load loaded in a car.
- an acceleration sensor is attached to a car, and then an inspector gets on the car to vibrate the force car. Then, by checking the output of the acceleration sensor when the overload signal is output from the scale device, it is determined whether there is an abnormality in the scale device (for example, see Patent Document 1).
- Patent Document 1 Japanese Patent Laid-Open No. 9 272669
- the present invention has been made to solve the above-described problems, and an object of the present invention is to provide an elevator apparatus that can improve the inspection efficiency of the weighing apparatus.
- An elevator apparatus generates a signal for a car, a signal corresponding to the loaded load in the cage, and a command for causing the cage to perform a test operation.
- a scale inspection unit for detecting an abnormality of the scale device based on the output signal is also provided.
- FIG. 1 is a configuration diagram showing an elevator apparatus according to Embodiment 1 of the present invention.
- FIG. 2 is a block diagram showing a configuration of the elevator control device of FIG. 1.
- FIG. 3 is a graph showing an example of a time change of a car position and a force speed during a test operation by the balance inspection unit of FIG.
- FIG. 4 A graph showing an example of the time change of the car acceleration during the test operation by the balance inspection unit of FIG.
- FIG. 1 is a configuration diagram showing an elevator apparatus according to Embodiment 1 of the present invention.
- a pair of force guide rails (not shown) and a pair of counterweight guide rails (not shown) are installed in the hoistway 1.
- the force 3 is moved up and down in the hoistway 1 by being guided by the force guide rail.
- the counterweight 4 is moved up and down in the hoistway 1 by being guided by the counterweight guide rail.
- an emergency stop device 5 is mounted for engaging the force guide rail and stopping the car 3 in an emergency.
- the emergency stop device 5 has a pair of braking pieces that are operated by a mechanical operation and pressed against the car guide rail.
- a driving device (lifting machine) 7 that raises and lowers the force 3 and the counterweight 4 via the main rope 6 is installed.
- the drive device 7 includes a drive sheave 8, a motor unit 9 that rotates the drive sheave 8, a brake unit 10 that brakes the rotation of the drive sheave 8, and a motor encoder 11 that generates a detection signal according to the rotation of the drive sheave 8. And then.
- an electromagnetic brake device is used as the brake unit 10.
- the brake shoe is pressed against the braking surface by the spring force of the braking spring to brake the rotation of the drive sheave 8, and the brake magnet is separated from the braking surface force by exciting the electromagnetic magnet. And braking is released.
- a pair of car suspension wheels 12a and 12b is provided at the lower part of the car 3.
- a counterweight suspension vehicle 13 is provided on the upper part of the counterweight 4.
- car-side return wheels 14 a and 14 b and a counterweight-side return wheel 15 are arranged in the upper part of the hoistway 1.
- first and second rope stops 16a and 16b are fixed to the upper part of the hoistway 1.
- the main rope 6 has first and second end portions 6a and 6b connected to the rope stops 16a and 16b.
- the main rope 6 has the first end 6a side force in the order of the car suspension wheels 12a, 12b, the force side return wheels 14a, 14b, the driving sheave 8, the counterweight side return wheel 15, and the fishing Wrapped around the suspension suspension car 13 It is. That is, in this example, the force 3 and the counterweight 4 are suspended in the hoistway 1 by the 2: 1 roving method.
- the first leash stop portion 16a is provided with a scale device 17 that generates a signal corresponding to the loaded load in the cage 3. Between the first end 6a and the clasp 16a, there is provided a shirtle spring that is expanded and contracted by a change in the load in the force cage 3, and the scale device 17 is adapted to expand or contract the shirtle spring. A signal is output according to the displacement of the end 6a.
- a speed governor 18 is installed at the upper part of the hoistway 1.
- the governor 18 is provided with a governor sheave, an overspeed detection switch, a rope catch, and the like.
- a governor rope 19 is wound around the governor sheave. Both ends of the governor rope 19 are connected to the operation mechanism of the emergency stop device 5.
- the lower end of the governor rope 19 is wound around a tension wheel 20 arranged at the lower part of the hoistway 1.
- the speed governor rope 19 When the force 3 is raised and lowered, the speed governor rope 19 is circulated, and the speed governor sheave is rotated at a rotational speed corresponding to the traveling speed of the force 3.
- the governor 18 mechanically detects that the traveling speed of the car 3 has reached an overspeed. As the overspeed to be detected, a first overspeed higher than the rated speed and a second overspeed higher than the first overspeed are set.
- the overspeed detection switch of the governor 18 When the traveling speed of the force 3 reaches the first overspeed, the overspeed detection switch of the governor 18 is operated. When the overspeed detection switch is operated, the supply of electric power to the motor unit 9 is cut off, and the rotation of the drive sheave 8 is braked by the brake unit 10, so that the force 3 is emergency stopped. When the traveling speed of the force 3 reaches the second overspeed, the governor rope 19 is gripped by the rope catch of the governor 18, and the circulation of the governor rope 19 is stopped. When the circulation of the governor port 19 is stopped, the emergency stop device 5 is operated to perform a braking operation.
- a car buffer 21 and a counterweight buffer 22 are installed in the lower part of the hoistway 1.
- the car shock absorber 21 is disposed immediately below the force 3 and reduces the impact when the force 3 collides with the bottom of the hoistway 1.
- the counterweight buffer 22 is disposed directly below the counterweight 4, and reduces the impact when the counterweight 4 collides with the bottom of the hoistway 1.
- the operation of the elevator apparatus is controlled by the elevator control apparatus 23.
- the elevator control device 23 includes an operation control unit 24 that controls the operation of the drive device 7 and a scale inspection unit 25 that detects an abnormality in the scale device 17.
- Weighing inspection unit 25 is used to test force 3 A command is generated, and an abnormality of the weighing device 17 is detected based on a signal output from the weighing device 17 by a test operation.
- FIG. 2 is a block diagram showing a configuration of the elevator control device 23 of FIG.
- the elevator control device 23 includes a CPU (arithmetic processing unit) 26, a memory (ROM, RAM, etc.) 27, an input unit 28 to which an external signal including a scale device signal is input, and an output unit 29 that outputs a signal to the outside. It is comprised by the computer which has. That is, the functions of the operation control unit 24 and the scale inspection unit 25 are realized by a computer.
- the memory 27 stores a program for realizing the functions of the operation control unit 24 and the balance inspection unit 25.
- CPU26 performs the arithmetic processing regarding the function of the operation control part 24 and the balance test
- the scale inspection unit 25 compares the output waveform stored in the memory 27 or its feature value with the output waveform of the signal output from the scale device 17 by the test operation or its feature value. If the difference between the two is within a predetermined range, it is determined that the scale device 17 is normal, and if the difference exceeds the predetermined range, the scale device 17 is determined to be abnormal. An error in the scale device 17 When detected, an error signal is output from the scale inspection unit 25, and notification to the elevator control room and suspension of operation of the elevator apparatus are performed.
- Fig. 3 is a graph showing an example of the time change of the car position and the car speed during the test operation by the scale inspection unit 25 of Fig. 1
- Fig. 4 is the test operation by the scale inspection unit 25 of Fig. 1. It is a graph which shows an example of the time change of the car acceleration.
- the force 3 behaves as shown in Fig. 3.
- the scale device 17 if the scale device 17 is normal, the scale device 17 outputs a signal as shown in FIG. From this signal, the car weight estimated by the balance device signal value during acceleration due to unbalance and the vibration frequency of the scale device signal after sudden stop is compared with the data at the initial setting.
- the inspection of the scale device 17 is automatically performed at a preset timing or cycle. That is, the control mode of the elevator control device 23 includes an automatic inspection mode in which the weighing device 17 is automatically inspected.
- the inspection of the weighing device 17 may be started by receiving an inspection command signal from an external device such as a remote management panel.
- the balance inspection unit 25 generates a command for causing the force 3 to perform a test operation, and based on a signal output from the scale device 17 by the test operation. Since the abnormality of the scale device 17 is automatically detected, the inspection efficiency of the scale device 17 can be improved.
- the balance inspection unit 25 performs a test operation using the unbalance acceleration of the basket 3, the car 3 can be easily tested without being manually operated.
- the balance inspection unit 25 generates vibration in the car 3 as a test operation of the force 3, and based on the weight of the force 3, the time waveform force of the signal from the balance device 17 is also estimated. Since the abnormality is detected, the presence or absence of abnormality of the weighing device 17 can be confirmed by a slight test operation, and the weighing device 17 can be inspected in a short time.
- the balance inspection unit 25 detects the abnormality of the scale device 17 by comparing the data acquired from the scale device 17 by the test operation of the force 3 with the data stored at the time of initial setting. Inspections can be performed easily without manual data entry.
- the test operation of the car 3 is not limited to the above example. For example, when a passenger is in the car 3 and shifts to the automatic inspection mode in a state, the car is normally run in a preset section and the signal force from the weighing device during acceleration and deceleration is estimated. You can compare the weight of the data with the data saved at the time of initialization.
- the scale device and the arithmetic circuit for processing the signal from the scale device may be configured in a double system, and the present invention can be applied.
- the reference data stored at the time of initial setting may be updated by performing the same inspection as at the time of initial setting during work such as a periodic inspection performed by human intervention.
- a periodic inspection performed by human intervention it is possible to prevent erroneous detection of an abnormality in the weighing apparatus due to secular changes such as the extension of the main rope 6.
- the detection method of the scale device is not particularly limited as long as the output changes continuously with respect to the change in the load in the force.
- the installation location of the scale device is not particularly limited.
- the scale device may be provided in a lower part of the car, a drive device, a return wheel, or the like. If the elevator device is of a type in which the end of the main rope is connected to the force cage, a scale device may be provided at the connection portion of the main rope to the car.
Landscapes
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006529378A JP5026078B2 (ja) | 2005-11-14 | 2005-11-14 | エレベータ装置 |
PCT/JP2005/020824 WO2007055020A1 (ja) | 2005-11-14 | 2005-11-14 | エレベータ装置 |
EP05806280.3A EP1958911B1 (en) | 2005-11-14 | 2005-11-14 | Elevator device |
CNB2005800405539A CN100562478C (zh) | 2005-11-14 | 2005-11-14 | 电梯装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2005/020824 WO2007055020A1 (ja) | 2005-11-14 | 2005-11-14 | エレベータ装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2007055020A1 true WO2007055020A1 (ja) | 2007-05-18 |
Family
ID=38023032
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/020824 WO2007055020A1 (ja) | 2005-11-14 | 2005-11-14 | エレベータ装置 |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1958911B1 (ja) |
JP (1) | JP5026078B2 (ja) |
CN (1) | CN100562478C (ja) |
WO (1) | WO2007055020A1 (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015040251A1 (es) * | 2013-09-23 | 2015-03-26 | Dinacell Electrónica, S.L. | Método y disposición para calibrar el sistema de control de carga de un ascensor |
WO2017178495A1 (en) * | 2016-04-11 | 2017-10-19 | Inventio Ag | Method for monitoring the ride quality of an elevator system |
EP3529188A4 (en) * | 2016-10-20 | 2020-09-30 | KONE Corporation | LIFT SYSTEM AND PROCEDURE FOR MONITORING MALFUNCTION |
CN106829664B (zh) * | 2017-01-17 | 2019-02-15 | 江苏建筑职业技术学院 | 基于吊桶运行安全综合防护系统的吊桶运动参数监测方法 |
CN106829675B (zh) * | 2017-01-17 | 2019-02-15 | 江苏建筑职业技术学院 | 基于吊桶运行安全综合防护系统的吊桶松绳故障检测方法 |
CN109693982B (zh) * | 2017-10-24 | 2023-02-03 | 上海三菱电梯有限公司 | 电梯称量装置异常判断方法 |
CN108423506A (zh) * | 2018-03-09 | 2018-08-21 | 日立电梯(中国)有限公司 | 电梯称重装置检测方法及系统 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06115846A (ja) * | 1992-10-12 | 1994-04-26 | Mitsubishi Electric Corp | エレベータの異常検出装置 |
JPH0812206A (ja) * | 1994-07-01 | 1996-01-16 | Mitsubishi Electric Corp | エレベーターの制御装置 |
JPH092752A (ja) * | 1995-06-20 | 1997-01-07 | Hitachi Building Syst Eng & Service Co Ltd | エレベータの診断装置 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09272669A (ja) * | 1996-04-02 | 1997-10-21 | Hitachi Building Syst Co Ltd | エレベータ秤装置の検査方法及び検査装置 |
-
2005
- 2005-11-14 EP EP05806280.3A patent/EP1958911B1/en not_active Not-in-force
- 2005-11-14 WO PCT/JP2005/020824 patent/WO2007055020A1/ja active Application Filing
- 2005-11-14 JP JP2006529378A patent/JP5026078B2/ja not_active Expired - Fee Related
- 2005-11-14 CN CNB2005800405539A patent/CN100562478C/zh not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06115846A (ja) * | 1992-10-12 | 1994-04-26 | Mitsubishi Electric Corp | エレベータの異常検出装置 |
JPH0812206A (ja) * | 1994-07-01 | 1996-01-16 | Mitsubishi Electric Corp | エレベーターの制御装置 |
JPH092752A (ja) * | 1995-06-20 | 1997-01-07 | Hitachi Building Syst Eng & Service Co Ltd | エレベータの診断装置 |
Non-Patent Citations (1)
Title |
---|
See also references of EP1958911A4 * |
Also Published As
Publication number | Publication date |
---|---|
EP1958911A4 (en) | 2012-03-07 |
CN101065314A (zh) | 2007-10-31 |
EP1958911B1 (en) | 2014-01-08 |
CN100562478C (zh) | 2009-11-25 |
JPWO2007055020A1 (ja) | 2009-04-30 |
JP5026078B2 (ja) | 2012-09-12 |
EP1958911A1 (en) | 2008-08-20 |
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