WO2005082765A1 - エレベータ安全装置及びその動作試験方法 - Google Patents
エレベータ安全装置及びその動作試験方法 Download PDFInfo
- Publication number
- WO2005082765A1 WO2005082765A1 PCT/JP2004/002250 JP2004002250W WO2005082765A1 WO 2005082765 A1 WO2005082765 A1 WO 2005082765A1 JP 2004002250 W JP2004002250 W JP 2004002250W WO 2005082765 A1 WO2005082765 A1 WO 2005082765A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- safety
- main contact
- relay
- safety relay
- contact
- Prior art date
Links
Classifications
-
- 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
-
- 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
- B66B5/0087—Devices facilitating maintenance, repair or inspection tasks
- B66B5/0093—Testing of safety devices
Definitions
- the present invention relates to an elevator safety device for stopping a car by braking a brake device when the elevator is abnormal, and a method of testing the operation of the safety device.
- the present invention has been made in order to solve the above-described problems, and has an eleventh safety device capable of detecting an abnormality of a contact and improving reliability, and an operation test method thereof. The purpose is to obtain.
- the elevator safety device includes: a safety circuit including a safety relay main contact for performing a braking operation of a braking device for braking the car; and a direction in which the braking device performs a braking operation when the car stops during normal operation. It has a detection circuit that generates a safety relay command signal for operating the safety relay main contact, and detects whether the safety relay main contact has operated according to the safety relay command signal.
- the operation test method of the elevator safety device includes a stop detection step of detecting that the car has stopped during normal operation, and a safety relay mainly in a direction in which the braking device performs a braking operation when the car stops.
- Safety relay command for operating contacts A test command step for generating a signal; and an abnormality detecting step for detecting whether the safety relay main contact has been operated in response to the safety relay command signal.
- FIG. 1 is a circuit configuration diagram showing an elevator safety device according to an embodiment of the present invention
- FIG. 2 is a flowchart for explaining an operation test method of the safety relay main contact in FIG. BEST MODE FOR CARRYING OUT THE INVENTION
- FIG. 1 is a circuit configuration diagram showing an example of an electronic safety device (electronic safety device) according to an embodiment of the present invention.
- the safety device has a safety circuit 1 for stopping the running of a car (not shown) in the event of an abnormality in the elevator, and a detection circuit 2 for detecting an abnormality in the elevator.
- the detection circuit 2 is electrically connected to an elevator control device 3 for controlling the operation of the elevator and various sensors 4.
- the various sensors 4 include, for example, a speed sensor (for example, an encoder) that detects the traveling speed of the car, and a position sensor that detects the position of the car.
- a speed sensor for example, an encoder
- a position sensor that detects the position of the car.
- the car and the counterweight (not shown) are moved up and down in the hoistway by the driving force of the hoist (not shown).
- the hoist is controlled by an elevator controller 3.
- the hoist has a drive sheave around which a main rope for suspending a car and a counterweight is wound, a hoisting machine for rotating the drive sheave, and a braking device for braking the rotation of the drive sheave. are provided.
- the safety circuit 1 is connected to the brake power contact coil 5 for supplying power to the brake device, the motor power contact coil 6 for supplying power to the hoisting machine, and the contact coils 5 and 6. And a bypass relay main contact 8. Connected in parallel with the safety relay main contact 7.
- Brake power contact coil 5, motor power contact coil 6, and safety coil Ray main contacts 7 are connected in series with each other to the power supply.
- the safety relay main contact 7 is closed during normal operation.
- the safety relay main contact 7 is opened in the event of an emergency, such as when the traveling speed of the car exceeds a preset speed.
- the bypass relay main contact 8 is open during normal operation.
- the detection circuit 2 is provided with a safety relay coil 9 that operates the main contact 7 of the detection circuit, a safety relay coil 10 that operates the main contact 8 of the bypass relay, and a main relay contact 7 that operates the safety relay 7. It has a safety relay monitor contact 12 that opens and closes automatically in conjunction with it, and a bypass relay monitor contact 13 that opens and closes mechanically in conjunction with the bypass relay main contact 8.
- the safety relay coil 11, the bypass relay coil 12, the safety relay monitor contact 12, and the bypass relay monitor contact 13 are connected in parallel to the detection circuit body 9.
- the safety relay main contact 7 and the safety relay monitor contact 12 are mechanically connected by a link mechanism (not shown). Therefore, when one of the contacts 7 and 12 becomes inoperable due to welding or the like, the other becomes inoperable.
- bypass relay main contact 8 and the bypass relay monitor contact 13 are mechanically connected by a link mechanism (not shown). Therefore, if one of the contacts 8, 13 becomes inoperable due to welding or the like, the other also becomes inoperable.
- the detection circuit 9 consists of a processing section 14, a storage section 15, an input / output section 16, a safety relay monitor, an evening contact receiver circuit 17, a bypass relay monitor contact receiver circuit 18, a safety relay driver circuit 19, And a bypass relay driver circuit 20.
- the processing unit 14 for example, CPU is used.
- the storage unit 15, for example, RAM,: OM and a hard disk device are used.
- the storage unit 15 stores, for example, data for judging abnormalities of the elevator, a program for performing an operation test of the safety relay main contact 7, and the like.
- the processing unit 14 transmits and receives signals to and from the elevator control device 3 and various sensors 4 via the input / output unit 16.
- the safety relay monitor contact receiver circuit 17 is connected in series with the safety relay monitor contact 12 and detects the open / closed state of the safety relay monitor contact 12.
- Bypass relay The monitor contact receiver circuit 18 is connected in series to the bypass relay monitor contact 13 and detects the open / close state of the bypass relay monitor contact 13.
- the safety relay driver circuit 19 is connected in series with the safety relay coil 10 and switches between excitation and non-excitation of the safety relay coil 10.
- the bypass relay driver circuit 20 is connected in series to the bypass relay coil 11 and switches between excitation and non-excitation of the bypass relay coil 11.
- Switching between excitation and non-excitation of the safety relay coil 10 is performed by outputting a safety relay command signal from the processing unit 14 to the safety relay driver circuit 19.
- the switching between excitation and non-excitation of the no-pass relay coil 11 is performed by outputting a bypass command signal from the processing unit 14 to the bypass relay driver circuit 20.
- the receiver circuits 17 and 18 and the driver circuits 19 and 20 are connected to the processing unit 14 in parallel with each other.
- a voltage of, for example, 48 volts is applied to the safety circuit 1 and the detection circuit 2.
- the detection circuit 9 monitors the presence or absence of an abnormality of the elevator based on information from the various sensors 4.
- the safety relay driver circuit 19 stops driving the safety relay coil 10.
- the safety relay main contact 7 is opened, and the power to the con- nector coils 5, 6 is cut off.
- the rotation of the drive sheave is braked by the brake device, the power supply to the hoisting machine motor is cut off, and the car is emergency stopped.
- FIG. 2 is a flowchart for explaining an operation test method of the safety relay main contact 7 of FIG.
- the processing unit 14 monitors whether the traveling speed of the car has become 0 based on information from the various sensors 4 (stop detection step S 1).
- stop detection step S 1 When the car speed reaches 0 and the car is in the safe state, the bypass relay driver 20 excites the bypass relay coil 11 and then waits for a preset time, here 100 ms (step S 2). And the bypass relay monitor contact 1
- Step S3 is closed by the bypass relay monitor contact receiver circuit 18.
- bypass relay monitor contacts 13 are not closed, it means that the bypass relay main contact 8 is not closed, and the processing unit 14 determines that the bypass relay 1 has failed and the detection circuit 9 An abnormality detection signal is output to evening controller 3 (step S4).
- the processing unit 14 determines that the safety relay has failed and the detection circuit An abnormality detection signal is output from the main body 9 to the elevator controller 3 (step S4).
- Step S7 When it is confirmed that the safety relay monitor contact 12 has been opened normally, the safety relay coil 10 is de-energized, and then waits for a preset time, here 100 ms. (Step S7). Then, it is confirmed by the safety relay monitor contact receiver circuit 17 whether the safety relay monitor contact 12 has been closed (step S8).
- the processing unit 14 determines that the safety relay has failed, and the detection circuit body 9 outputs an abnormality detection signal to the elevator controller 3 (step S4). ).
- bypass relay coil 11 is de-energized, and then waits for a preset time, here 100 ms (step S 9). Then, it is confirmed by the bypass relay monitor contact receiver circuit 18 whether or not the bypass relay monitor contact 13 has been opened (step S10).
- step S4 If the bypass relay monitor contact 13 is not open, the processing unit 14 determines that the bypass relay has failed, and the detection circuit body 9 detects an abnormality in the elevator controller 3. An output signal is output (step S4).
- the system waits until the traveling speed of the car exceeds a preset value (step S11). Next, the traveling speed is monitored until the car stops (step S1). Then, each time the car stops, the above-described operation test is performed, and the soundness of the safety circuit 1 is confirmed.
- the operation test of the safety relay main contact 7 is performed using the timing at which the car stops during normal operation, so that safety can be maintained without impeding normal operation. An abnormality in the relay main contact 7 can be detected, and reliability can be improved.
- the operation of the safety relay main contact 7 can be checked with sufficient frequency, and the reliability can be further improved.
- the bypass relay main contact 8 is closed, so that the power supply to the safety circuit 1 can be prevented from being interrupted during the operation test. An operation test can be performed while the safety circuit 1 is maintained.
- the braking device performs the braking operation when the safety relay main contact 7 is opened is shown. Conversely, the braking device can perform the braking operation when the safety relay main contact is closed. In this case also, the operation test of the safety relay main contact can be performed.
- the safety relay main contact for operating the brake device provided on the hoisting machine was shown.
- a rope brake that holds the main rope to brake the car, a car or a counterbalance The present invention is also applicable to a safety relay main contact for operating an emergency stop device mounted on a weight.
- the operation test is performed every time the car stops
- the timing of the operation test is not limited to this.
- a counter for counting the number of car stops may be provided in the detection circuit main body, and an operation test may be performed for each preset number of stops.
- a timer may be provided in the detection circuit main body, and the operation test may be performed when the car first stops after a preset time has elapsed.
- the operation test may be performed only when the normal operation of the elevator is started (at startup).
- the operation test may be performed only when the vehicle stops at a preset floor.
Landscapes
- Maintenance And Inspection Apparatuses For Elevators (AREA)
- Elevator Control (AREA)
Abstract
Description
Claims
Priority Applications (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/574,602 US7575102B2 (en) | 2004-02-26 | 2004-02-26 | Safety device of elevator and its operation testing method |
DE602004032182T DE602004032182D1 (de) | 2004-02-26 | 2004-02-26 | Sicherheitsvorrichtung für aufzug |
CNB2004800052547A CN100455501C (zh) | 2004-02-26 | 2004-02-26 | 电梯安全装置 |
ES04714884T ES2362731T3 (es) | 2004-02-26 | 2004-02-26 | Dispositivo de seguridad de ascensor. |
PT04714884T PT1719729E (pt) | 2004-02-26 | 2004-02-26 | Dispositivo de segurança de elevador |
PCT/JP2004/002250 WO2005082765A1 (ja) | 2004-02-26 | 2004-02-26 | エレベータ安全装置及びその動作試験方法 |
CA002541521A CA2541521C (en) | 2004-02-26 | 2004-02-26 | Elevator safety device and method of testing an operation thereof |
BRPI0415943-8A BRPI0415943B1 (pt) | 2004-02-26 | 2004-02-26 | Dispositivo de segurança de elevador |
JP2006519067A JP4566992B2 (ja) | 2004-02-26 | 2004-02-26 | エレベータ安全装置 |
EP04714884A EP1719729B1 (en) | 2004-02-26 | 2004-02-26 | Safety device of elevator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2004/002250 WO2005082765A1 (ja) | 2004-02-26 | 2004-02-26 | エレベータ安全装置及びその動作試験方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005082765A1 true WO2005082765A1 (ja) | 2005-09-09 |
Family
ID=34897913
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/002250 WO2005082765A1 (ja) | 2004-02-26 | 2004-02-26 | エレベータ安全装置及びその動作試験方法 |
Country Status (10)
Country | Link |
---|---|
US (1) | US7575102B2 (ja) |
EP (1) | EP1719729B1 (ja) |
JP (1) | JP4566992B2 (ja) |
CN (1) | CN100455501C (ja) |
BR (1) | BRPI0415943B1 (ja) |
CA (1) | CA2541521C (ja) |
DE (1) | DE602004032182D1 (ja) |
ES (1) | ES2362731T3 (ja) |
PT (1) | PT1719729E (ja) |
WO (1) | WO2005082765A1 (ja) |
Cited By (7)
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WO2009157085A1 (ja) | 2008-06-27 | 2009-12-30 | 三菱電機株式会社 | エレベータ装置及びその運転方法 |
WO2010100802A1 (ja) * | 2009-03-04 | 2010-09-10 | 三菱電機株式会社 | エレベータ装置及びその検査方法 |
JP2011063419A (ja) * | 2009-09-18 | 2011-03-31 | Toshiba Elevator Co Ltd | エレベータの安全制御装置 |
JP2011168392A (ja) * | 2010-02-22 | 2011-09-01 | Mitsubishi Electric Corp | エレベータ制御装置 |
JP2013142038A (ja) * | 2012-01-12 | 2013-07-22 | Hitachi Ltd | 電子安全エレベータ |
WO2015079976A1 (ja) * | 2013-11-28 | 2015-06-04 | 株式会社日立製作所 | エレベータの安全システム |
TWI607949B (zh) * | 2014-10-01 | 2017-12-11 | 利愛電氣股份有限公司 | 電梯主機制動系統的測試方法 |
Families Citing this family (25)
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FI119807B (fi) * | 2007-11-30 | 2009-03-31 | Kone Corp | Hissin valmiustila |
CN102438929B (zh) * | 2009-06-10 | 2014-04-23 | 三菱电机株式会社 | 电梯装置 |
CN102596780B (zh) * | 2009-10-26 | 2014-08-06 | 因温特奥股份公司 | 电梯设备中的安全电路 |
FI122473B (fi) | 2010-12-14 | 2012-02-15 | Kone Corp | Liitäntäyksikkö, kuljetusjärjestelmä sekä menetelmä |
US8794389B2 (en) | 2011-06-30 | 2014-08-05 | Tyco Fire & Security Gmbh | Interface between fire panel and elevator controller |
WO2013052051A1 (en) * | 2011-10-06 | 2013-04-11 | Otis Elevator Company | Elevator brake control |
EP2956396B1 (de) * | 2013-02-12 | 2017-03-29 | Inventio AG | Batteriegestützte sicherheitskreis-überwachungsanlage |
WO2014126562A1 (en) * | 2013-02-14 | 2014-08-21 | Otis Elevator Company | Elevator safety circuit |
CN103231957B (zh) * | 2013-05-10 | 2015-12-09 | 恒达富士电梯有限公司 | 一种电梯制动系统防粘联方法及装置 |
JP6072929B2 (ja) * | 2013-09-27 | 2017-02-01 | 三菱電機株式会社 | エレベータの制御装置 |
EP3061212B1 (de) * | 2013-10-23 | 2018-07-11 | Inventio AG | Verfahren und vorrichtung zur inbetriebnahme einer aufzugsanlage |
TR201807531T4 (tr) * | 2013-12-09 | 2018-06-21 | Inventio Ag | Bir asansör sistemi için emniyet devresi. |
WO2015090809A1 (de) * | 2013-12-18 | 2015-06-25 | Inventio Ag | Sicherheitssystem für eine aufzugsanlage |
CN104192656A (zh) * | 2014-08-27 | 2014-12-10 | 刘瑞 | 一种用于电梯接触器互锁的控制电路 |
WO2016096269A1 (de) * | 2014-12-17 | 2016-06-23 | Inventio Ag | Sicherheitsschaltung für eine aufzugsanlage |
EP3271278B1 (en) * | 2015-03-20 | 2020-10-07 | Otis Elevator Company | Elevator testing arrangement |
CN107428498B (zh) * | 2015-04-01 | 2022-01-14 | 通力股份公司 | 制动控制设备和控制电梯制动器的方法 |
CN104891377B (zh) * | 2015-05-19 | 2018-09-25 | 上海德圣米高电梯有限公司 | 双曳引机制动器的同步控制系统 |
DE102015211488A1 (de) * | 2015-06-22 | 2016-12-22 | Thyssenkrupp Ag | Sicherheitseinrichtung einer Aufzugsanlage |
CN105197713A (zh) * | 2015-10-10 | 2015-12-30 | 贵州天义电梯成套设备有限公司 | 一种电梯轿厢意外移动保护系统及其保护方法 |
CN108351619B (zh) | 2015-11-09 | 2021-10-26 | 奥的斯电梯公司 | 自诊断电路 |
EP3184477B1 (en) * | 2015-12-22 | 2019-07-24 | KONE Corporation | A method and an arrangement for maintenance operation of an elevator |
IL247342A (en) * | 2016-08-18 | 2017-10-31 | Yoram Madar | Detection and control of an arrest prevented an elevator |
EP3505479B1 (en) * | 2017-12-29 | 2024-02-28 | KONE Corporation | A safety circuit board for a passenger transport installation |
CN110407053B (zh) * | 2019-07-26 | 2020-11-10 | 上海三菱电梯有限公司 | 电梯控制检测电路 |
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US5407028A (en) | 1993-04-28 | 1995-04-18 | Otis Elevator Company | Tested and redundant elevator emergency terminal stopping capability |
JP2001106446A (ja) | 1999-10-08 | 2001-04-17 | Inventio Ag | エレベータ設備用の安全回路 |
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EP0903314B1 (de) * | 1997-09-22 | 2003-02-26 | Inventio Ag | Ueberwachungseinrichtung für eine Antriebssteuerung für Aufzüge |
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2004
- 2004-02-26 ES ES04714884T patent/ES2362731T3/es not_active Expired - Lifetime
- 2004-02-26 EP EP04714884A patent/EP1719729B1/en not_active Expired - Lifetime
- 2004-02-26 DE DE602004032182T patent/DE602004032182D1/de not_active Expired - Lifetime
- 2004-02-26 PT PT04714884T patent/PT1719729E/pt unknown
- 2004-02-26 BR BRPI0415943-8A patent/BRPI0415943B1/pt not_active IP Right Cessation
- 2004-02-26 CA CA002541521A patent/CA2541521C/en not_active Expired - Fee Related
- 2004-02-26 WO PCT/JP2004/002250 patent/WO2005082765A1/ja active Application Filing
- 2004-02-26 CN CNB2004800052547A patent/CN100455501C/zh not_active Expired - Fee Related
- 2004-02-26 JP JP2006519067A patent/JP4566992B2/ja not_active Expired - Fee Related
- 2004-02-26 US US10/574,602 patent/US7575102B2/en active Active
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JPS55135078A (en) * | 1979-04-06 | 1980-10-21 | Hitachi Ltd | Method of diagnosing trouble of elevator controller |
US5407028A (en) | 1993-04-28 | 1995-04-18 | Otis Elevator Company | Tested and redundant elevator emergency terminal stopping capability |
JP2001106446A (ja) | 1999-10-08 | 2001-04-17 | Inventio Ag | エレベータ設備用の安全回路 |
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Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009157085A1 (ja) | 2008-06-27 | 2009-12-30 | 三菱電機株式会社 | エレベータ装置及びその運転方法 |
KR101218022B1 (ko) * | 2008-06-27 | 2013-01-02 | 미쓰비시덴키 가부시키가이샤 | 엘리베이터 장치 및 그 운전 방법 |
US8430212B2 (en) | 2008-06-27 | 2013-04-30 | Mitsubishi Electric Corporation | Safety control device for an elevator apparatus and operating method thereof |
WO2010100802A1 (ja) * | 2009-03-04 | 2010-09-10 | 三菱電機株式会社 | エレベータ装置及びその検査方法 |
JP5312571B2 (ja) * | 2009-03-04 | 2013-10-09 | 三菱電機株式会社 | エレベータ装置 |
US8807285B2 (en) | 2009-03-04 | 2014-08-19 | Mitsubishi Electric Corporation | Elevator device and method of inspecting same |
JP2011063419A (ja) * | 2009-09-18 | 2011-03-31 | Toshiba Elevator Co Ltd | エレベータの安全制御装置 |
JP2011168392A (ja) * | 2010-02-22 | 2011-09-01 | Mitsubishi Electric Corp | エレベータ制御装置 |
JP2013142038A (ja) * | 2012-01-12 | 2013-07-22 | Hitachi Ltd | 電子安全エレベータ |
WO2015079976A1 (ja) * | 2013-11-28 | 2015-06-04 | 株式会社日立製作所 | エレベータの安全システム |
JPWO2015079976A1 (ja) * | 2013-11-28 | 2017-03-16 | 株式会社日立製作所 | エレベータの安全システム |
TWI607949B (zh) * | 2014-10-01 | 2017-12-11 | 利愛電氣股份有限公司 | 電梯主機制動系統的測試方法 |
Also Published As
Publication number | Publication date |
---|---|
CA2541521C (en) | 2009-08-11 |
ES2362731T3 (es) | 2011-07-12 |
DE602004032182D1 (de) | 2011-05-19 |
EP1719729A4 (en) | 2009-11-18 |
CN1753825A (zh) | 2006-03-29 |
JP4566992B2 (ja) | 2010-10-20 |
CN100455501C (zh) | 2009-01-28 |
PT1719729E (pt) | 2011-06-29 |
EP1719729B1 (en) | 2011-04-06 |
US7575102B2 (en) | 2009-08-18 |
US20070007087A1 (en) | 2007-01-11 |
CA2541521A1 (en) | 2005-09-09 |
EP1719729A1 (en) | 2006-11-08 |
JPWO2005082765A1 (ja) | 2007-08-30 |
BRPI0415943B1 (pt) | 2014-04-22 |
BRPI0415943A (pt) | 2007-01-02 |
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