WO2004076326A1 - エレベーター用調速器 - Google Patents
エレベーター用調速器 Download PDFInfo
- Publication number
- WO2004076326A1 WO2004076326A1 PCT/JP2003/002051 JP0302051W WO2004076326A1 WO 2004076326 A1 WO2004076326 A1 WO 2004076326A1 JP 0302051 W JP0302051 W JP 0302051W WO 2004076326 A1 WO2004076326 A1 WO 2004076326A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- speed
- car
- microcomputer
- detector
- calculator
- 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
- B66B5/04—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed
- B66B5/06—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed electrical
Definitions
- the present invention relates to a governor for an elevator, and more particularly to an electronic governor using a microprocessor.
- governors for the elevators can be broadly classified into disc type and flyball type. Details of these structures are described, for example, in the “Commentary on Building Standard Law and Technical Standards for Enforcement Order Elevator” published by Japan Elevator Association (1994 edition).
- the disc type and the flyball type both say that the movement of the car is converted into a rotational motion, and the pendulum provided on the cage operates according to the speed by centrifugal force, thereby reducing the speed.
- the overspeed switch is opened upon detection, and then the safety gear is actuated in addition to the governor rope.
- the operation of opening the overspeed switch is referred to as a switch operation
- the operation of restraining the governor rope and operating the emergency stop device is referred to as a catch operation.
- Japanese Patent Application Laid-Open No. 2001-122549 describes that by providing a means for inducing electric energy in accordance with the speed of a car and an actuary operating by the electric energy, Means for detecting overspeed and performing a catch operation are described.
- An object of the present invention is to solve the above problems and to obtain a governor that can prevent malfunctions with high accuracy without sacrificing safety.
- a speed governor for an elevator in which the speed of the car is detected based on a detector that detects a physical quantity that changes as the car moves up and down in the elevator, and a signal output from the detector.
- a first speed calculating unit that calculates a first speed calculating unit; and a first speed determining unit that determines whether the speed of the car calculated by the first speed calculating unit exceeds a preset first speed level.
- a computer having a microphone port, wherein the car is stopped when the first speed determination unit determines that the speed of the car exceeds the first speed level.
- the elevator governor includes a detector that detects a physical quantity that changes as the car moves up and down during the elevator, and a signal output from the detector.
- a first speed calculating unit for calculating a speed, a first speed determining unit for determining whether or not the speed of the car calculated by the first speed calculating unit exceeds a preset first speed level;
- a first microcomputer having a second speed determining unit for determining whether or not the speed of the car calculated by the speed calculating unit exceeds a second speed level higher than the first speed level. If the first speed judging section judges that the speed of the car has exceeded the first speed level, the car is wound up. The power supply to the car is stopped, and when the second speed determining unit determines that the speed of the car has exceeded the second speed level, the emergency stop of the car is operated.
- the elevator governor includes a detector that detects a physical quantity that changes as the car moves up and down during the elevator, and a signal output from the detector.
- a first speed calculating unit for calculating the speed of the car, and a first speed determining unit for determining whether the speed of the car calculated by the first speed calculating unit exceeds a first speed level set in advance.
- a first monitoring device for monitoring the operation state of the first microcomputer, wherein the speed of the car exceeds the first speed level.
- the elevator controller for an elevator in the present invention includes a detector for detecting a physical quantity that changes as the elevator moves up and down in the elevator, and a signal output from the detector.
- a first speed calculating unit that calculates a speed
- a first speed determining unit that determines whether the speed of the car calculated by the first speed calculating unit has exceeded a preset first speed level.
- a second speed calculator for calculating the speed of the car based on the microcomputer and a signal output from the detector, and the speed of the car calculated by the second speed calculator.
- a second microcomputer having a second speed determination unit for determining whether or not the speed exceeds a preset first speed level, wherein the speed of the car exceeds the first speed level.
- a first monitoring device for monitoring the operation state of the first microcomputer a second monitoring device for monitoring the operation state of the second microcomputer, and a speed determination by the first microcomputer. The above-mentioned car is stopped when the first monitoring device determines that the vehicle is in an impossible state, or when the second monitoring device determines that the speed of the second microcomputer is impossible to determine. Things.
- the elevator governor includes a detector that detects a physical quantity that changes as the car moves up and down during the elevator, and a signal output from the detector.
- a first microcomputer having a first speed calculator for calculating a speed
- a second microcomputer having a second speed calculator for calculating the speed of the car based on a signal output from the detector.
- a microcomputer wherein the first microcomputer calculates a difference between the speed of the car calculated by the first speed calculator and the speed of the car calculated by the second speed calculator. It has a first deviation judging unit for judging whether or not the deviation exceeds a preset value, and stops the car based on a judgment result of the first deviation judging unit.
- the second microcomputer is configured to set a deviation between the car speed calculated by the first speed calculating unit and the car speed calculated by the second speed calculating unit to a predetermined value.
- a second deviation judging unit for judging whether or not the car has exceeded the limit, and stopping the car based on a judgment result of the second deviation judging unit.
- the micro-computer has a battery for supplying power to the detector and the micro-computer when a power outage occurs.
- the car is stopped by cutting off the power supply to the hoist of the car.
- the car is stopped by operating the emergency stop of the car. It is something to make.
- the detector is an encoder or an acceleration sensor.
- FIG. 1 is a block diagram of an elevator having a governor according to the first embodiment.
- FIG. 2 is a diagram showing a drive circuit for the emergency stop operation for emergency stop operation.
- FIG. 3 is a diagram showing a drive circuit such as a main conductor MC27 of the motor drive circuit.
- FIG. 4 is a schematic diagram of a motor drive circuit.
- FIG. 5 is a conceptual diagram showing the configuration of the encoder 8.
- FIG. 6 is a diagram showing an internal configuration of the first microcomputer 9 and the second microcomputer 10.
- FIG. 7 is a diagram showing an internal configuration of a first microcomputer 9 and a second microcomputer 10 of the second embodiment.
- FIG. 8 is a configuration diagram when an acceleration sensor 53 is used as a detector.
- the car 1 is connected to one end of the main rope 4, and the counterweight 3 is connected to the other end of the main rope 4.
- the main rope 4 is partially wound around the drive sheave of the hoisting machine 2, and the car 1 and the car 1 are rotated by the rotation of the drive sheave.
- the counterweight 3 moves up and down the hoistway.
- the upper pulley 5 is arranged in the machine room provided in the upper part of the hoistway or on the hoistway.
- a lower pulley 6 is disposed in the lower part of the hoistway, and an endless rope 7 is stretched over the upper pulley 5 and the lower pulley 6. Since the weight is suspended from the lower pulley 6, the rope 7 is tensioned. Also, since one portion of the rope 7 is connected to the car 1, the upper platform 5 and the lower boogie 6 rotate as the car 1 moves up and down.
- An encoder 8 having two outputs is attached to the upper pulley 5, and the encoder 8 detects the rotation of the upper pulley 15 and outputs a pulse signal. Since the upper pulley 5 rotates as the car 1 moves up and down, the encoder 8 is a detector that detects a physical quantity that changes as the car 1 moves up and down (the output signal from the encoder 8 indicates the speed of the car 1 A signal that changes in response to
- the processing section 100 of the governor includes a first microcomputer 9, a second microcomputer 10, a first microcomputer monitoring device 11, a second microcomputer monitoring device 12, and an AND circuit. 13 and 15 are provided.
- a first output signal of the encoder 8 is input to a first microcomputer 9, and the first microcomputer 9 calculates the speed of the car 1 from the first output signal.
- the second output signal of the encoder 8 is input to the second microphone port computer 10, and the second microcomputer 10 calculates the speed of the car 1 from the second output signal.
- the first microcomputer monitoring device 11 monitors the operation state of the first microcomputer 9, and the second microcomputer monitoring device 12 monitors the operation state of the second microcomputer 10.
- the AND circuit 13 receives the output signal from the first microcomputer 9 and the output signal from the first microcomputer monitoring device 11, and if either output signal is L0, the relay circuit 13 A 1 1 7 is cut off.
- AND The circuit 15 receives the output signal from the first microcomputer 9 and the output signal from the second microcomputer monitoring device 12, and if either output signal is L0, the relay: B Block 1 1 9
- Relay A 218 receives the output signal from second microcomputer 10 and is shut off when this output signal is L 0.
- the relay B 220 receives the output signal from the second microcomputer 10 and is shut off when this output signal is L 0.
- Car 1 is equipped with an emergency stop, which has an emergency stop of 40.
- Emergency stop is activated by the operation of Factory Night 40.
- the power supply 200 normally supplies current from the three-phase AC current source 29 to each part in the processing unit 100, the encoder 8 and the emergency stop 40, and in the event of a power failure, the battery 21 A current is supplied from 0 to each of the above parts.
- the battery 210 is normally charged in advance.
- Fig. 2 shows the drive circuit of the emergency stop 40, which is normally open contact 24 of relay B 119, normally open contact 25 of relay B 220, and the like. It has coil B26 of the factory 40 ⁇ The coil B26 is normally supplied with power, and the emergency stop does not work because the power of the module 40 is excited by this power supply. In the event of an abnormality, the power supply to the actuator 40 is cut off and the excitation of the actuator 40 is cut off, and the emergency stop operates.
- Fig. 3 is a diagram showing a drive circuit such as the main conductor MC27 of the motor drive circuit.
- the drive circuit consists of a normally open contact 21 of relay A117 and a relay A218 of relay A218. Normally open contact 2 2, Contact 2 of other safety device of the erepeta, Main connector MC 27 of motor drive circuit, Main contact drive circuit 28-Contact for driving brake of hoisting machine 2 Evening BK 36, and blur —It has a contact drive circuit 37 for key drive.
- FIG. 4 is a schematic diagram of a motor drive circuit.
- the motor drive circuit is connected to a three-phase AC power supply 29, and contacts 30 of the main contact MC 27, and an inverter 3 for driving the motor 3 2 attached to the hoisting machine 2. With one.
- FIG. 5 is a conceptual diagram showing the internal configuration of the encoder 8.
- the encoder 8 has a disk 35 provided with unevenness in the form of a gear, and a magnetic sensor 3 which detects the unevenness of the disk 35 and outputs a pulse signal. It has 3 and 3 4.
- the disk 35 is provided on the upper pulley 5, and the rotation of the upper pulley 5 causes the disk 35 to also rotate.
- the magnetic sensors 33 and 34 detect the unevenness of the disk 35 and output a pulse signal.
- the output signal from the magnetic sensor 33 is input to the first microphone port computer 9 as a first output signal.
- the output signal from the magnetic sensor 34 is input to the second microcomputer 10 as a second output signal.
- FIG. 6 is a diagram showing an internal configuration of the first microcomputer 9 and the second microcomputer 10.
- the first microcomputer 9 includes a first speed calculation unit 41, a first speed determination unit 42, and a second speed determination unit 43.
- the first output signal from the encoder 8 is input to the first speed calculator 41.
- the output signal from the first speed calculation unit 41 is input to the first speed determination unit 42 and the second speed determination unit 43.
- a second speed calculation unit 44, a third speed determination unit 45, and a fourth speed determination unit 46 are provided inside the second microphone computer 10.
- the encoder 8 attached to the upper pulley 5 outputs a signal corresponding to the speed of the car 1. That is, the magnetic sensors 33 and 34 of the encoder 8 detect the irregularities of the disk 35 and output a pulse signal.
- the first output signal output from the magnetic sensor 33 is input to the first micro computer 9, and the second output signal output from the magnetic sensor 34 is input to the second microcomputer 10. Is input to
- the first speed calculator 41 of the first microcomputer 9 calculates the speed of the car 1 by counting the pulses of the first output signal, and determines the signal indicating the detected speed of the car 1 as the first speed. Output to the section 42 and the second speed determination section 43.
- the first speed judging section 42 judges whether the speed of the car 1 has exceeded a predetermined first abnormal speed level, and if the speed of the car 1 has exceeded the first abnormal speed level. Outputs the signal of L 0 to the AND circuit 13.
- the relay A 1 17 is cut off.
- the normally open contact 21 of the relay A 17 is cut off, and the main connector MC 27 And the power supply to the brake drive contact BK 36 is cut off.
- the first speed judging unit 42 always outputs a HI signal to the AND circuit 13 so that it stops suddenly overnight. Not done.
- the second speed judging unit 43 of the first microcomputer 9 receives a signal indicating the speed of the car 1 from the first speed calculating unit 41, and sets the speed of the car 1 to a predetermined second abnormal speed level. Is determined. Note that the second abnormal speed level is set to a value higher than the first abnormal speed level. You. When the speed of the car 1 exceeds the second abnormal speed level, the second speed determination unit 43 outputs a signal of L0 to the AND circuit 15. When the L0 signal is input to AND peak 15, relay B119 is cut off. As a result, the normally open contact 24 of the relay Bl 19 is cut off, and the power supply to the coil B 26 of the actuator 40 is cut off. As a result, the excitation of the actuator 40 is cut off, and the emergency stop is activated. As a result, the elevator stops suddenly.
- the second speed judging section 43 When the speed of the car 1 does not exceed the second abnormal speed level, the second speed judging section 43 always outputs the HI signal to the AND circuit 15, so that the emergency stop does not operate.
- the second microcomputer 10 also receives the second output signal from the encoder 8 and operates in the same manner as the first microcomputer 10. That is, when the speed of the car 1 exceeds the first abnormal speed level, the third speed judging section 45 outputs a signal of L0 to the relay A218.
- the signal L0 is input to the relay A2 18, the normally open contact 2 2 of the relay A2 18 is cut off, and the relay to the main connector MC 27 and the brake drive connector BK 36 Power supply is cut off.
- the power supply to the impeller 31 is cut off, the power supply to the hoisting machine 2 is cut off, and the elevator stops. Also, since the power supply to the brake contactor BK36 is cut off, the brakes are activated and the elevator stops suddenly.
- the fourth speed judging section 46 When the speed of the car 1 exceeds the second abnormal speed level, the fourth speed judging section 46 outputs an LO signal to the relay B 220.
- the L0 signal When the L0 signal is input to the relay B220, the normally open contact 25 of the relay B220 is cut off, and the power supply to the coil B26 of the actuator 40 is cut off. As a result, the excitation of the actuator 40 is cut off, and the emergency stop is activated. As a result, Elebe overnight stops suddenly. If the first microcomputer 9 runs out of control and falls into a state where the speed cannot be determined, the first microcomputer monitoring device 11 outputs an LO signal. Since the L0 signal is input to the AND circuit 13, the relay A117 is shut off, and the elevator stops suddenly as described above.
- the second microcomputer monitoring device 12 If the second microcomputer 10 runs out of control and the speed cannot be determined, the second microcomputer monitoring device 12 outputs a LO signal. since the 0 signal is input, the relay B 1 1 9 is interrupted, the emergency stop is activated as described above, elevator Isseki suddenly stopped to c Jer base Isseki for governor in this embodiment Has the following effects. Since the first speed determination unit 42 of the first microcomputer 9 determines whether the speed of the car 1 has exceeded the first abnormal speed level, the operation may vary. Less, and malfunction can be prevented.
- the first microphone computer 9 determines whether the speed of the car 1 has exceeded the first abnormal speed level and whether the speed of the car 1 has exceeded the second abnormal speed level. Because it is performed, it is possible to perform a two-stage elevator stop operation.
- first microcomputer monitoring device 11 for monitoring the operation state of the first microcomputer 9, and when the first microcomputer 9 is in a state where the speed cannot be determined, the first microcomputer monitoring device 11 If it is determined that the car 1 is stopped, the safety of the governor can be improved.
- the first and second microcomputers 9 and 10 are provided, and the first speed judging section 42 of the first microcomputer 9 sets the speed of the car 1 to the first abnormal speed level. If it is determined to have exceeded, or the second microphone Since the car 1 is stopped when the third speed determination unit 45 of the mouth computer 10 determines, the reliability of the governor can be improved. Further, since the second microcomputer monitoring device 12 for monitoring the operation state of the second microcomputer 10 is provided, the safety of the governor can be further improved.
- Embodiment 2 In addition to the structure of Embodiment 1, the structure shown in FIG. 7 can be added to the first microcomputer 9 and the second microcomputer 10 ⁇ By this structure, In the second embodiment, the detection speeds calculated by the first microcomputer 9 and the second microcomputer 10 are compared, and if there is a discrepancy between the two detection speeds, it is determined that there is an abnormality. Turn off relays 17 or 19.
- the first microcomputer 9 has a first comparing section 47, a first deviation determining section 48, and a second deviation determining section 49.
- the output signal of the first deviation judging section 48 is output to the AND circuit 13, and the output signal of the second deviation judging section 49 is output to the AND circuit 15.
- the second microcomputer 10 includes a second comparing section 50, a third deviation determining section 51, and a fourth deviation determining section 52.
- the output signal of the third deviation determiner 51 is output to the relay B 220 and the output signal of the fourth deviation determiner 52 is output to the relay A 18.
- the output signal from the first speed calculator 41 and the output signal from the second speed calculator 44 are input to the first comparator 47.
- the output signal from the first speed calculator 41 and the output signal from the second speed calculator 44 are signals indicating the detected speed of the car 1.
- the first comparing section 47 compares the speed of the car 1 calculated by the first speed calculating section 41 with the speed of the car 1 calculated by the second speed calculating section 44, and obtains the absolute value of the speed deviation. Is output.
- the first deviation judging section 48 outputs a signal of L0 to the AND circuit 13.
- the relay A 17 is cut off, and as a result, the power supply to the main contact MC 27 and the brake drive contactor BK 36 is cut off. .
- the power supply to the inverter 31 is cut off, the power supply to the hoisting machine 2 is cut off, and the elevator stops. Also, the power supply to the brake driving contactor BK36 is cut off, the brakes are activated, and the elevator stops suddenly in the evening.
- the second deviation determination unit 49 When the absolute value of the speed deviation is larger than the second deviation amount set in advance, the second deviation determination unit 49 outputs a LO signal to the AND circuit 15. This second deviation amount is a value larger than the first deviation amount.
- the relay Bl19 When the L ⁇ signal is input to the AND circuit 15, the relay Bl19 is cut off and the emergency stop operates. As a result, Elebe overnight stops suddenly.
- the second comparator 50 operates in the same manner as the first comparator 47, and outputs the absolute value of the speed deviation.
- the third deviation judging section 51 outputs an L0 signal to the relay A218.
- the normally open contact 22 of the relay A218 is cut off, and the power supply to the main contact MC27 and the brake driving contact BK36 is cut off.
- the power supply to the inverter 31 is cut off, the power supply to the winding machine 2 is cut off, and the elevator is stopped.
- the brakes are activated and suddenly stop at night.
- the fourth deviation determination unit 52 When the absolute value of the speed deviation is larger than the second deviation amount, the fourth deviation determination unit 52 outputs a LO signal to the relay A 220. As a result, the emergency stop is activated.
- the first to fourth deviation judgment sections 48, 49, 51, and 52 output HI signals. Therefore, the elevator is operated as usual.
- the governor for an elevator of this embodiment has the following effects.
- the first microcomputer 9 receives the output signal from the second speed calculator 44 and calculates the speed of the car 1 calculated by the first speed calculator 41 and the speed of the car 1 by the second speed calculator 44. Since the first deviation determination unit 48 that determines whether the deviation from the speed of the car 1 exceeds the first deviation amount is provided, the reliability of the governor can be improved.
- the first microcomputer 9 has a second deviation judging section 49, and the speed of the car 1 calculated by the first speed calculating section 41 and the car 1 calculated by the second speed calculating section 44.
- the elevator can be stopped in two stages to determine whether the deviation from the speed exceeds the second deviation amount. Since the second microcomputer 10 also has the third deviation judging unit 51 and the fourth deviation judging unit 52, even when the first microcomputer 9 stops operating, Elevator can stop overnight.
- the first microcomputer 9 and the second microcomputer 9 The program of the microcomputer 10 may not be rewritten, and may be written to a device such as a ROM. As a result, it is possible to prevent the program from being rewritten for some reason and leading to unsafe operation.
- the encoder 8 is used to detect the speed of the car 1.
- the speed may be calculated by an acceleration sensor.
- An acceleration sensor 53 is attached to the ceiling of the car 1, and each of the first speed calculator 41 and the second speed calculator 44 has an acceleration signal calculator 54 and an integrator 55.
- the acceleration sensor 53 detects the acceleration of the car 1 and outputs a signal corresponding to the acceleration of the car 1.
- the acceleration sensor 53 is a detector that detects a physical quantity in which the acceleration of the car 1 changes as the car 1 moves up and down.
- the other configuration is the same as that of the above-described embodiment, and the description is omitted.
- the acceleration signal calculator 54 obtains an output signal from the acceleration sensor 53 and calculates acceleration.
- the integrator 55 integrates the acceleration calculated by the acceleration signal calculator 54 and outputs the speed of the car 1. Subsequent processing is the same as in the above embodiment.
- the governor of the present invention can improve accuracy without sacrificing safety. Industrial applicability
- the present invention is applied to an elevator as an electronic governor.
Landscapes
- Maintenance And Inspection Apparatuses For Elevators (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03707048.9A EP1621507B1 (en) | 2003-02-25 | 2003-02-25 | Governor for elevator |
JP2004566482A JP4412175B2 (ja) | 2003-02-25 | 2003-02-25 | エレベーター用調速器 |
PCT/JP2003/002051 WO2004076326A1 (ja) | 2003-02-25 | 2003-02-25 | エレベーター用調速器 |
CNA038257483A CN1720189A (zh) | 2003-02-25 | 2003-02-25 | 电梯用调速器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2003/002051 WO2004076326A1 (ja) | 2003-02-25 | 2003-02-25 | エレベーター用調速器 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004076326A1 true WO2004076326A1 (ja) | 2004-09-10 |
Family
ID=32923066
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2003/002051 WO2004076326A1 (ja) | 2003-02-25 | 2003-02-25 | エレベーター用調速器 |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1621507B1 (ja) |
JP (1) | JP4412175B2 (ja) |
CN (1) | CN1720189A (ja) |
WO (1) | WO2004076326A1 (ja) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1864936A1 (en) * | 2005-03-30 | 2007-12-12 | Mitsubishi Denki Kabushiki Kaisha | Elevator apparatus |
JP2008143614A (ja) * | 2006-12-06 | 2008-06-26 | Mitsubishi Electric Corp | エレベータの制御装置 |
CN101891092A (zh) * | 2009-05-19 | 2010-11-24 | 株式会社日立制作所 | 电梯设备 |
WO2011048664A1 (ja) * | 2009-10-20 | 2011-04-28 | 三菱電機株式会社 | エレベータの安全装置 |
EP2527281A2 (en) | 2011-05-25 | 2012-11-28 | Hitachi Ltd. | Elevator |
JP2012250828A (ja) * | 2011-06-06 | 2012-12-20 | Hitachi Ltd | エレベーター用制動装置及びエレベーター |
US10071881B2 (en) | 2013-12-12 | 2018-09-11 | Otis Elevator Company | Safety system for use in a drive system |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI122183B (fi) | 2010-03-15 | 2011-09-30 | Kone Corp | Menetelmä ja laite hissin sähkökäytön käyntiinajamiseksi |
JP5624845B2 (ja) * | 2010-10-14 | 2014-11-12 | 株式会社日立製作所 | 電子安全エレベータ |
FI122425B (fi) * | 2010-11-18 | 2012-01-31 | Kone Corp | Sähkönsyötön varmennuspiiri, hissijärjestelmä sekä menetelmä |
JP6220613B2 (ja) * | 2013-09-19 | 2017-10-25 | 株式会社日立製作所 | エレベータの制御システム |
CN104516366A (zh) * | 2013-09-27 | 2015-04-15 | 方正宽带网络服务股份有限公司 | 直流电机驱动的升降柱自检测平衡方法、系统及装置 |
JP6636411B2 (ja) * | 2016-11-18 | 2020-01-29 | 株式会社日立製作所 | エレベーター制御装置及びエレベーター制御方法 |
CN107572332A (zh) * | 2017-09-15 | 2018-01-12 | 广西建工集团建筑机械制造有限责任公司 | 一种施工升降机状态反馈控制系统 |
JP6601587B1 (ja) | 2019-07-26 | 2019-11-06 | フジテック株式会社 | エレベーターのエンコーダー診断システム及び診断方法 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0773180A1 (de) | 1995-11-08 | 1997-05-14 | Inventio Ag | Verfahren und Vorrichtung zur erhöhten Sicherheit bei Aufzügen |
JP2000327240A (ja) * | 1999-05-19 | 2000-11-28 | Toshiba Corp | エレベータ制御装置 |
JP2001122549A (ja) * | 1999-10-25 | 2001-05-08 | Hitachi Ltd | エレベーターのガバナ |
JP2002533281A (ja) * | 1998-12-23 | 2002-10-08 | オーチス エレベータ カンパニー | 電子式エレベータ安全システム |
JP2003104648A (ja) * | 2001-09-28 | 2003-04-09 | Mitsubishi Electric Corp | エレベータ装置 |
JP2003327369A (ja) * | 2002-05-14 | 2003-11-19 | Mitsubishi Electric Corp | エレベータ装置 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH663778A5 (de) * | 1982-11-19 | 1988-01-15 | Inventio Ag | Sollwertgeber fuer eine antriebsregelungseinrichtung. |
JP3532349B2 (ja) * | 1996-06-11 | 2004-05-31 | 三菱電機株式会社 | エレベータの安全装置 |
US6170614B1 (en) * | 1998-12-29 | 2001-01-09 | Otis Elevator Company | Electronic overspeed governor for elevators |
-
2003
- 2003-02-25 CN CNA038257483A patent/CN1720189A/zh active Pending
- 2003-02-25 WO PCT/JP2003/002051 patent/WO2004076326A1/ja active Application Filing
- 2003-02-25 JP JP2004566482A patent/JP4412175B2/ja not_active Expired - Fee Related
- 2003-02-25 EP EP03707048.9A patent/EP1621507B1/en not_active Expired - Fee Related
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0773180A1 (de) | 1995-11-08 | 1997-05-14 | Inventio Ag | Verfahren und Vorrichtung zur erhöhten Sicherheit bei Aufzügen |
JPH09165156A (ja) * | 1995-11-08 | 1997-06-24 | Inventio Ag | エレベータの安全性を向上させる方法および装置 |
JP2002533281A (ja) * | 1998-12-23 | 2002-10-08 | オーチス エレベータ カンパニー | 電子式エレベータ安全システム |
JP2000327240A (ja) * | 1999-05-19 | 2000-11-28 | Toshiba Corp | エレベータ制御装置 |
JP2001122549A (ja) * | 1999-10-25 | 2001-05-08 | Hitachi Ltd | エレベーターのガバナ |
JP2003104648A (ja) * | 2001-09-28 | 2003-04-09 | Mitsubishi Electric Corp | エレベータ装置 |
JP2003327369A (ja) * | 2002-05-14 | 2003-11-19 | Mitsubishi Electric Corp | エレベータ装置 |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1864936A1 (en) * | 2005-03-30 | 2007-12-12 | Mitsubishi Denki Kabushiki Kaisha | Elevator apparatus |
EP1864936A4 (en) * | 2005-03-30 | 2012-07-11 | Mitsubishi Electric Corp | LIFT DEVICE |
JP2008143614A (ja) * | 2006-12-06 | 2008-06-26 | Mitsubishi Electric Corp | エレベータの制御装置 |
CN101891092A (zh) * | 2009-05-19 | 2010-11-24 | 株式会社日立制作所 | 电梯设备 |
WO2011048664A1 (ja) * | 2009-10-20 | 2011-04-28 | 三菱電機株式会社 | エレベータの安全装置 |
JPWO2011048664A1 (ja) * | 2009-10-20 | 2013-03-07 | 三菱電機株式会社 | エレベータの安全装置 |
EP2527281A2 (en) | 2011-05-25 | 2012-11-28 | Hitachi Ltd. | Elevator |
JP2012250828A (ja) * | 2011-06-06 | 2012-12-20 | Hitachi Ltd | エレベーター用制動装置及びエレベーター |
US10071881B2 (en) | 2013-12-12 | 2018-09-11 | Otis Elevator Company | Safety system for use in a drive system |
Also Published As
Publication number | Publication date |
---|---|
CN1720189A (zh) | 2006-01-11 |
JPWO2004076326A1 (ja) | 2006-06-01 |
EP1621507A1 (en) | 2006-02-01 |
EP1621507B1 (en) | 2017-08-16 |
JP4412175B2 (ja) | 2010-02-10 |
EP1621507A4 (en) | 2011-07-06 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR101014917B1 (ko) | 엘리베이터 장치 | |
WO2004076326A1 (ja) | エレベーター用調速器 | |
US9708157B2 (en) | Controlling speed of an elevator using a speed reducing switch and governor | |
JP4907097B2 (ja) | エレベータ装置 | |
EP1584597A1 (en) | Elevator control system | |
JP2009154988A (ja) | エレベータの戸開走行防止システム | |
US20200024105A1 (en) | Elevator | |
JPWO2006103768A1 (ja) | エレベータ装置 | |
JP4896711B2 (ja) | エレベータ制御装置 | |
KR101244998B1 (ko) | 엘리베이터 장치 | |
KR20090057087A (ko) | 엘리베이터 장치 | |
JP5523455B2 (ja) | エレベータ装置 | |
JP5111502B2 (ja) | エレベータ装置 | |
JP5026078B2 (ja) | エレベータ装置 | |
JP5456836B2 (ja) | エレベータの制御装置 | |
JP6754715B2 (ja) | エレベーターのカウンターウェイトクリアランス診断装置 | |
WO2004031064A1 (ja) | エレベーターシステム | |
JP2005008371A (ja) | エレベータシステム | |
KR100785179B1 (ko) | 엘리베이터용 조속기 | |
JP2003182945A (ja) | エレベータの制動力測定装置および測定方法 | |
JP4901446B2 (ja) | エレベータ制御システム | |
KR100891234B1 (ko) | 엘리베이터 장치 | |
JPH0733222B2 (ja) | エレベータの制御装置 | |
KR20080110689A (ko) | 엘리베이터 장치 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WWE | Wipo information: entry into national phase |
Ref document number: 2004566482 Country of ref document: JP |
|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): CN JP KR |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): AT BE CH CY DE DK ES FI FR GB GR HU IE IT LU MC NL PT SE SI TR |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
REEP | Request for entry into the european phase |
Ref document number: 2003707048 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2003707048 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 20038257483 Country of ref document: CN |
|
WWE | Wipo information: entry into national phase |
Ref document number: 1020057015784 Country of ref document: KR |
|
WWP | Wipo information: published in national office |
Ref document number: 1020057015784 Country of ref document: KR |
|
WWP | Wipo information: published in national office |
Ref document number: 2003707048 Country of ref document: EP |