CN100595123C - Elevator device - Google Patents
Elevator device Download PDFInfo
- Publication number
- CN100595123C CN100595123C CN200580015399A CN200580015399A CN100595123C CN 100595123 C CN100595123 C CN 100595123C CN 200580015399 A CN200580015399 A CN 200580015399A CN 200580015399 A CN200580015399 A CN 200580015399A CN 100595123 C CN100595123 C CN 100595123C
- Authority
- CN
- China
- Prior art keywords
- elsec
- controller
- electronic security
- elevator
- car
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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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
-
- 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
- B66B3/00—Applications of devices for indicating or signalling operating conditions of elevators
-
- 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
- B66B5/0006—Monitoring devices or performance analysers
- B66B5/0018—Devices monitoring the operating condition of the elevator system
- B66B5/0031—Devices monitoring the operating condition of the elevator system for safety reasons
Abstract
Disclosed is an elevator apparatus, wherein a sensor generates a detection signal for detecting a condition of the elevator. An electronic safety controller detects an abnormality of the elevator based on the detection signal from the sensor and outputs a command signal for placing the elevator in a safe condition. Transmission of at least a part of the detection signal from the sensor and of thecommand signal from the electronic safety controller is performed by radio communication.
Description
Technical field
The present invention relates to a kind of lift appliance, it uses according to the unusual electronic security(ELSEC) controller that detects elevator from the detection signal of sensor.
Background technology
In the safety system of existing elevator, on the bus node that is arranged at hoistway, machine room and car, be connected with sensor etc., information from sensor etc. sends to safety governor (for example, with reference to patent documentation 1) by bus node and communication network bus.
Patent documentation 1: the special table of Japanese patent gazette 2002-538061 number
In aforesaid existing lift appliance, must in hoistway, carry out the wiring of a large amount of communication cables, quite bother when mounted.In addition, must guarantee the space that is used to connect up in hoistway, this makes the hoistway area become big.
Summary of the invention
The present invention proposes in order to address the above problem, and its purpose is to provide a kind of lift appliance, and it can reduce the trouble when installing, and can dwindle hoistway space.
Lift appliance of the present invention comprises: a plurality of sensors, its generation are used to detect the status detection signal of elevator; The elevator control part is imported in this elevator control part from the detection signal of sensor, and this elevator control part is controlled the running of car according to the detection signal of being imported; And electronic security(ELSEC) controller, detection signal from sensor is imported in this electronic security(ELSEC) controller, this electronic security(ELSEC) controller detects the unusual of elevator according to the detection signal of being imported, and output be used to make elevator to transfer to the command signal of safe condition, the transmission of at least a portion signal in detection signal and the command signal is undertaken by radio communication.
Description of drawings
Fig. 1 is the constructional drawing of the lift appliance in the expression embodiments of the present invention 1.
Fig. 2 is the diagram of curves of the figure of the mistake speed set in the ETS circuit part of velocity limiter in the presentation graphs 1 and electronic security(ELSEC) controller.
Fig. 3 is the block scheme of apparatus structure of the main portion of the electronic security(ELSEC) controller in the presentation graphs 1.
Fig. 4 is the instruction diagram of the manner of execution of the calculation process carried out of the microprocessor in the presentation graphs 3.
Fig. 5 is the schematic configuration diagram of the lift appliance of expression embodiments of the present invention 2.
The specific embodiment
Below, with reference to accompanying drawing preferred implementation of the present invention is described.
Fig. 1 is the constructional drawing of the lift appliance of expression embodiments of the present invention 1.In the drawings, in hoistway 1, be provided with a pair of car guide rail (not shown) and a pair of counterweight guide rail (not shown).Car 3 is guiding lifting in hoistway 1 by car guide rail.Counterweight 4 lifting in hoistway 1 by the counterweight rail guidance.
In the bottom of car 3 emergency braking device 5 is installed, this emergency braking device 5 promptly stops car 3 by engaging with car guide rail.Emergency braking device 5 has a pair of brake component, and this a pair of brake component moves by power operation, thereby is compressed against on the car guide rail.
Bottom in hoistway 1 is provided with actuating device (towing machine) 7, and actuating device 7 makes car 3 and counterweight 4 liftings by main rope 6.Actuating device 7 has: drive rope sheave 8; Make the motor part 9 that drives rope sheave 8 rotations; The detent 10 that the rotation that drives rope sheave 8 is braked; And motor encoder 11, it produces and the cooresponding detection signal of rotation that drives rope sheave 8.
For example use electro-magnetic braking device as detent 10.In electro-magnetic braking device, the elastic force by retarding spring is pressed against brake shoe on the brake surface, and the rotation that drives rope sheave 8 is braked, and by making brake shoe leave brake surface to the electromagnet excitation, thereby brake off.
When the relay circuit of vital circuit portion is off state, be cut off to the energising of the motor part of actuating device 7, and also be cut off to the energising of the electromagnet of detent 10, make that driving rope sheave 8 is braked.
Be provided with velocity limiter (mechanical type velocity limiter) 14 on the top of hoistway 1.In velocity limiter 14, be provided with: governor sheave, cross switch for over speed detection, wire holder and as the velocity limiter coder 15 of sensor etc.On governor sheave, be wound with overspeed governor 16.The both ends of overspeed governor 16 are connected with the operating mechanism of emergency braking device 5.The bottom of overspeed governor 16 is wound on the tension wheel 17 that is disposed at hoistway 1 bottom.
When car 3 liftings, overspeed governor 16 circulations, governor sheave is to rotate with the cooresponding rotative speed of the moving velocity of car 3.Mechanically the moving velocity of car 3 having been reached speed in velocity limiter 14 detects.As detected mistake speed, be set with than high first the crossing speed (OS speed) and cross fast second than first and cross speed (Trip (tripping operation) speed) of command speed.
When the moving velocity of car 3 reached the first mistake speed, the switch for over speed detection of crossing of velocity limiter 14 was operated.When having served as switch for over speed detection and being operated, the relay circuit of the vital circuit portion of elevator control part 12 becomes off state.When the moving velocity of car 3 reaches the second mistake speed, control overspeed governor 16 by the wire holder of velocity limiter 14, thereby make overspeed governor 16 stop circulation.When the circulation of overspeed governor 16 stopped, emergency braking device 5 carried out braking maneuver.
From first and second detection signals of velocity limiter coder 15, be imported in the ETS circuit part of the terminating layer forced reduction apparatus (ETS device) of being located at electronic security(ELSEC) controller 21.The unusual of elevator detects according to the detection signal from velocity limiter coder 15 in ETS circuit part, and output is used to make elevator to transfer to the command signal of safe condition.Specifically, ETS circuit part obtains the moving velocity and the position of car 3 according to the signal from velocity limiter coder 15 independently of each other with elevator control part 12, and monitors whether near the moving velocity of car 3 terminating layer has reached ETS and monitored speed.
In addition, ETS circuit part will convert digital signal to from the signal of velocity limiter coder 15, and the line number of going forward side by side word arithmetic is handled, and ETS circuit part judges thus whether the moving velocity of car 3 has reached ETS and monitored speed.When the moving velocity that is judged as car 3 by ETS circuit part had reached ETS and monitored speed, the relay circuit of vital circuit portion became off state.
In addition, ETS circuit part can detect unusual and velocity limiter coder 15 unusual of ETS circuit part self.Under the unusual situation that detects ETS circuit part self or velocity limiter coder 15, to the nearest layer of operation control section output stop instruction signal, this nearest layer stop instruction signal is to be used to make elevator to transfer to the command signal of safe condition from ETS circuit part.In addition, can carry out two way communication between ETS circuit part and the operation control section.
Desired location in hoistway 1 is provided with the first reference position sensor 23 and the second reference position sensor 24, and the described first and second reference position sensors 23,24 are used to detect the reference position that car 3 is positioned at hoistway 1.As reference position sensor 23,24, can use upper and lower terminating layer switch.Detection signal from reference position sensor 23,24 is imported in the ETS circuit part of electronic security(ELSEC) controller 21.In ETS circuit part,, revise the location information of the car of in ETS circuit part, obtaining 3 according to detection signal from reference position sensor 23,24.
Between the lower surface of the bottom surface of hoistway 1 and car 3 and counterweight 4, be provided with car buffer 27 and counterweight buffer 28.Herein, car buffer 27 and counterweight buffer 28 are arranged on the bottom in the hoistway 1.Car buffer 27 be configured in car 3 under, the impact when colliding with the bottom of hoistway 1 to relax car 3.Counterweight buffer 28 be configured in counterweight 4 under, the impact when colliding with the bottom of hoistway 1 to relax counterweight 4.As these energy dispersers 27,28, for example can adopt hydraulic type energy disperser or bumper.
Be provided with a pair of car hanging wheel 41a, 41b in the bottom of car 3.Be provided with counterweight hanging wheel 42 on the top of counterweight 4.Dispose cage side diversion sheave 43a, 43b on the top of hoistway 1 and to heavy side diversion sheave 44.Main rope 6 has top bonded assembly first end 6a and the second end 6b by lanyard portion and hoistway 1.
In addition, main rope 6 from first end 6a side be wound on car hanging wheel 41a, 41b, cage side diversion sheave 43a, 43b, driving rope sheave 8 successively, on heavy side diversion sheave 44 and the counterweight hanging wheel 42.That is, in this example, car 3 and counterweight 4 are suspended in the hoistway 1 with 2: 1 baudriers.
Here, in motor encoder 11, elevator control part 12, velocity limiter coder 15, electronic security(ELSEC) controller 21 and reference position sensor 23,24, be respectively arranged with Department of Communication Force (antenna part), described Department of Communication Force is used for carrying out the transmission of signal by radio communication (for example, WLAN communication).Dotted arrow among Fig. 1 is represented radio communication.
Specifically, the detection signal of motor encoder 11 sends in the elevator control part 12 by radio communication.The transmission of the information between electronic security(ELSEC) controller 21 and the elevator control part 12 is undertaken by radio communication.In addition, the nearest layer halt instruction from electronic security(ELSEC) controller 21 to elevator control part 12 transmits by radio communication.But the urgent halt instruction of the vital circuit portion from electronic security(ELSEC) controller 21 to elevator control part 12 transmits (solid arrow among Fig. 1) by communication cable.In addition, though do not illustrate, the urgent halt instruction from velocity limiter 14 to vital circuit portion also transmits by communication cable.From the detection signal of velocity limiter coder 15 with from the detection signal of reference position sensor 23,24, send in the electronic security(ELSEC) controller 21 by radio communication.
In addition, in this example, a signal uses a plurality of different carrier frequencies to transmit, that is, by multichannel communication multiple telecommunication reliability is improved.
In addition, for example in the pattern of electronic security(ELSEC) controller 21, comprise the normal operation pattern, safeguard various modes such as operation mode and emergency operation pattern.And the pattern information of electronic security(ELSEC) controller 21 is sent in the elevator control part 12 by radio communication.
Fig. 2 is the diagram of curves that is illustrated in the figure of the mistake speed of setting in the ETS circuit part of velocity limiter 14 among Fig. 1 and electronic security(ELSEC) controller 21.In the drawings, when car 3 drives to from the lower terminal end layer under the situation of upper terminal layer with normal speed (command speed), the speed pattern of car 3 is normal speed figure VO.In velocity limiter 14, be set with the first and second mistake speed pattern V1, V2 by mechanically carrying out the position adjustment.In ETS circuit part, be set with ETS and monitored speed pattern VE.
ETS monitored that speed pattern VE is set at and was higher than normal speed figure VO.In addition, ETS monitored that speed pattern VE sets for respect to normal speed figure VO and separated in whole lifting travel about equally at interval.That is, ETS monitored that speed pattern VE changed according to car position.More particularly, ETS monitored that speed pattern VE set near interlayer constant, but set near terminating layer along with reducing continuously and smoothly near the terminal (top and bottom) of hoistway 1.Like this, ETS circuit part 22 is not only near terminating layer, and (constant speed among the normal speed figure VO travel interval) also monitors the moving velocity of car 3 near interlayer, but also can not monitor near interlayer.
First crosses speed pattern V1 is set at and is higher than ETS and monitored speed pattern VE.In addition, the second mistake speed pattern V2 is set at and is higher than the first mistake speed pattern V1.In addition, all constant on the first and second mistake speed pattern V1, the whole height of V2 in hoistway 1.
Fig. 3 is the block scheme of apparatus structure of the main portion of the electronic security(ELSEC) controller 21 in the presentation graphs 1.Electronic security(ELSEC) controller 21 comprises: first microprocessor 31, and it carries out the unusual calculation process that is used to detect elevator according to first security procedure; With second microprocessor 32, it carries out the unusual calculation process that is used to detect elevator according to second security procedure.
First security procedure and second security procedure are the programs with identical content.First and second microprocessors 31,32 can communicate mutually by bus between treater and dual port RAM 33.In addition, first and second microprocessors 31,32 can be confirmed the viability of first and second microprocessors 31,32 self by mutual comparison operation result.That is, make first and second microprocessors 31,32 carry out same processing, and result is communicated and compare, confirm the viability of microprocessor 31,32 thus via dual port RAM 33 etc.
In addition, microprocessor 31,32 by calculation process can also detected electrons safety governor 21 except that microprocessor 31,32 self unusual unusually.
Fig. 4 is the instruction diagram of the manner of execution of the calculation process carried out of the microprocessor 31,32 in the presentation graphs 3. Microprocessor 31,32 according to the program that is stored among the ROM, is carried out calculation process with based on the predetermined execution cycle (for example 50msec) from the signal of fixed cycle timer repeatedly.Comprise in the program of in one-period, carrying out: security procedure, it is used to detect the unusual of elevator; The failure exception scrutiny program, it is used for the fault of detected electrons safety governor 21 self and various sensors and unusual.In addition, the failure exception scrutiny program also can only just be carried out when satisfying predetermined conditions.
In the failure exception scrutiny program, for example carry out the unusual detection of the stack area of the unusual detection of clock, RAM, abnormality detection, the abnormality detection of relay tip and the abnormality detection of power line voltage etc. of calculation process order.
In such lift appliance, electronic security(ELSEC) controller 21 can the detected electrons safety governor 21 self unusual, under the unusual situation that detects electronic security(ELSEC) controller 21 self, electronic security(ELSEC) controller 21 is also exported and is used to make elevator to transfer to the command signal of safe condition, therefore, both can improve the abnormality detection speed of elevator and, can improve the reliability of safety system again with simpler structure to abnormity processing speed.
In addition, electronic security(ELSEC) controller 21 also can detect the unusual of various sensors, is detecting under the unusual situation of sensor, because electronic security(ELSEC) controller 21 is also exported and is used to make elevator to transfer to the command signal of safe condition, therefore, the reliability of safety system is improved.
In addition, because electronic security(ELSEC) controller 21 comprises first and second microprocessors 31,32, first and second microprocessors 31,32 can be confirmed the viability of first and second microprocessors 31,32 self by mutual comparison operation result, therefore, the reliability of safety system is improved.
And, in this lift appliance, be used to detect elevator state, from the detection signal of sensor (being velocity limiter coder 15 and reference position sensor 23,24 herein), and be used for making elevator transfer to safe condition, from the transmission of at least a portion signal of the command signal of electronic security(ELSEC) controller 21, undertaken by radio communication.Therefore, will mass communication cable intricately not be configured in the hoistway, can reduce the trouble when installing, and can dwindle the space of hoistway.In the electronic security(ELSEC) supervisory system particularly a lot of in the signal number that is transmitted and kind, that bang path is also very complicated, the wireless penetration that the signal relevant with electronic security(ELSEC) controller 21 transmits is very effective.
In addition, in this lift appliance,, also undertaken by radio communication from the detection signal and the transmission of the signal between elevator control part 12 and the electronic security(ELSEC) controller 21 of motor encoder 11.Thereby, can further reduce the trouble when installing, and can further dwindle the space of hoistway.
And, because electronic security(ELSEC) controller 21 is used to make car 3 in the transmission of layer command signal that stops recently by radio communication, be used to make the transmission of the command signal that car 3 promptly stops by wire communication, it is hereby ensured higher reliability.
And, in above-mentioned example, only a lift appliance is described, but also can manage signal by common electronic security(ELSEC) controller from the sensor of inside-plant many lift appliances, in the case, undertaken by radio communication by the transmission that makes detection signal and command signal, can obtain the effect identical with above-mentioned example.
In addition, in above-mentioned example,, show velocity limiter coder 15 and reference position sensor 23,24, but sensor is not limited in this as the sensor that detection signal is sent to electronic security(ELSEC) controller 21.For example, also can make the radio communication that is transmitted as from the detection signal of various sensors such as temperature sensor, speed sensor, acceleration pick-up, vibration sensor.
And, do not need to make all wireless penetrations of transmission from the detection signal of all the sensors, also can only select a part of sensor to carry out wireless penetration.
In addition, do not need to make all wireless penetrations of transmission, on the contrary, can make the transmission wireless penetration of all command signals that comprise urgent halt instruction from all command signals of electronic security(ELSEC) controller.
Embodiment 2
Next, Fig. 5 is the schematic configuration diagram of the lift appliance of expression embodiments of the present invention 2.In hoistway 1, be provided with the first and second car 3a, 3b.The first and second car 3a, 3b be configuration overlappingly up and down, and can distinguish lifting in common hoistway 1 independently.That is, this lift appliance is an one-shaft multi-car formula elevator.So the first car 3a is by first actuating device (not shown) lifting, the second car 3b is by second actuating device (not shown) lifting.In addition, omit the diagram of the main rope etc. of the suspention first and second car 3a, 3b.
On the first and second car 3a, 3b, be respectively arranged with Department of Communication Force (antenna part), described Department of Communication Force be used for by radio communication carry out and elevator control part 12 (Fig. 1) between the transmission of signal (calling logging request signal, calling login acknowledgment signal etc.).Other structure is identical with embodiment 1.
In such lift appliance, because being not only the signal relevant with electronic security(ELSEC) controller 21 (Fig. 1) transmits, and the transmission of the signal between car 3a, 3b and the elevator control part 12 is also all undertaken by radio communication, therefore, the trouble when installing can be reduced, and the space of hoistway can be dwindled.That is, in existing one-shaft multi-car formula elevator, must be connected to 2 communication cables on 2 cars and make their mutually noninterferes, thereby the unusual difficulty of layout, the space of hoistway also becomes greatly, but as if according to embodiment 2, then can dwindle the space of hoistway.
In addition, in embodiment 2, show one-shaft multi-car formula elevator, but in the lift appliance of embodiment 1, also can Department of Communication Force be set at car 3, the signal that is undertaken between car 3 and the elevator control part 12 by radio communication transmits.
In addition, in above-mentioned example, urgent halt instruction from the electronic security(ELSEC) controller is imported in the vital circuit portion of elevator control part, but also can partly turn up the soil the vital circuit portion that the electronic security(ELSEC) controller is used is set with the vital circuit of elevator control part, make urgent halt instruction, be input in the vital circuit portion that the electronic security(ELSEC) controller uses from the electronic security(ELSEC) controller.
Claims (8)
1. a lift appliance is characterized in that, described lift appliance comprises:
A plurality of sensors, its generation are used to detect the status detection signal of elevator;
The elevator control part is imported in this elevator control part from the detection signal of described sensor, and this elevator control part is controlled the running of car according to the detection signal of being imported; And
The electronic security(ELSEC) controller, detection signal from described sensor is imported in this electronic security(ELSEC) controller, this electronic security(ELSEC) controller detects the unusual of elevator according to the detection signal of being imported, and output is used to make elevator to transfer to the command signal of safe condition
The transmission of at least a portion signal in described detection signal and the described command signal is undertaken by radio communication.
2. lift appliance as claimed in claim 1 is characterized in that,
In described sensor, described electronic security(ELSEC) controller and described elevator control part, be respectively equipped with the Department of Communication Force that is used for being undertaken mutual signal transmission by radio communication.
3. lift appliance as claimed in claim 1 is characterized in that,
Described electronic security(ELSEC) controller is used to make the transmission of the command signal that described car stops at layer recently by radio communication, is used to make the transmission of the command signal that described car promptly stops by wire communication.
4. lift appliance as claimed in claim 1 is characterized in that,
Described electronic security(ELSEC) controller can detect the unusual of described electronic security(ELSEC) controller self, under the unusual situation that detects described electronic security(ELSEC) controller self, described electronic security(ELSEC) controller is also exported and is used to make elevator to transfer to the command signal of safe condition.
5. lift appliance as claimed in claim 1 is characterized in that,
Described electronic security(ELSEC) controller can detect the unusual of described sensor, is detecting under the unusual situation of described sensor, and described electronic security(ELSEC) controller is also exported and is used to make elevator to transfer to the command signal of safe condition.
6. lift appliance as claimed in claim 1 is characterized in that,
Described electronic security(ELSEC) controller comprises: first microprocessor, and it carries out the unusual calculation process that is used to detect elevator according to first security procedure; With second microprocessor, it carries out the unusual calculation process that is used to detect elevator according to second security procedure,
Described first and second microprocessors can intercom mutually by bus between treater, and by mutual comparison operation result, can confirm the viability of described first and second microprocessors self.
7. lift appliance as claimed in claim 1 is characterized in that,
Signal between described car and the described elevator control part transmits and is also undertaken by radio communication.
8. lift appliance as claimed in claim 1 is characterized in that,
Described elevator control part and described electronic security(ELSEC) controller are obtained the moving velocity of described car respectively independently of one another according to the detection signal of being imported.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/JP2005/006289 WO2006106574A1 (en) | 2005-03-31 | 2005-03-31 | Elevator apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1953925A CN1953925A (en) | 2007-04-25 |
| CN100595123C true CN100595123C (en) | 2010-03-24 |
Family
ID=37073142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200580015399A Expired - Fee Related CN100595123C (en) | 2005-03-31 | 2005-03-31 | Elevator device |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP1864934B1 (en) |
| JP (1) | JPWO2006106574A1 (en) |
| KR (1) | KR100874304B1 (en) |
| CN (1) | CN100595123C (en) |
| WO (1) | WO2006106574A1 (en) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007028709B4 (en) * | 2007-06-21 | 2017-03-09 | Pepperl + Fuchs Gmbh | Data transmission device and method for transmitting data |
| EP2022742B1 (en) * | 2007-08-07 | 2014-06-25 | ThyssenKrupp Elevator AG | Lift system |
| ES2689423T3 (en) * | 2009-03-16 | 2018-11-14 | Otis Elevator Company | Over-acceleration and over-speed detection and processing system |
| EP2408701B1 (en) * | 2009-03-16 | 2018-05-30 | Otis Elevator Company | Elevator over-acceleration and over-speed protection system |
| DE112010002756B4 (en) | 2009-06-29 | 2019-02-07 | Mitsubishi Electric Corporation | winder |
| JP5816102B2 (en) * | 2012-01-12 | 2015-11-18 | 株式会社日立製作所 | Electronic safety elevator |
| JP2017039576A (en) * | 2015-08-19 | 2017-02-23 | 株式会社東芝 | Safety device and elevator system |
| EP3246281B1 (en) * | 2016-05-20 | 2021-04-21 | KONE Corporation | Elevator communication arrangement |
| JP6420430B1 (en) * | 2017-08-18 | 2018-11-07 | 東芝エレベータ株式会社 | Elevator safety device and elevator safety system |
| CN108275523A (en) * | 2017-12-12 | 2018-07-13 | 无锡创联科技有限公司 | It is a kind of it is vertical ladder prevent and safety monitoring system |
| JP6824465B2 (en) * | 2018-02-26 | 2021-02-03 | 三菱電機株式会社 | Elevator safety controller |
| JP7132025B2 (en) * | 2018-08-10 | 2022-09-06 | 株式会社日立製作所 | Judgment system and method |
| JP6601587B1 (en) * | 2019-07-26 | 2019-11-06 | フジテック株式会社 | Elevator encoder diagnostic system and diagnostic method |
| EP3892582A1 (en) * | 2020-04-07 | 2021-10-13 | KONE Corporation | Safety system, elevator, and method for upgrading a safety system of an elevator |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6460586A (en) * | 1987-08-26 | 1989-03-07 | Mitsubishi Electric Corp | Controller for elevator |
| JPH06227766A (en) * | 1993-02-01 | 1994-08-16 | Hitachi Ltd | Signal transmission system for elevator |
| JPH07206299A (en) * | 1994-01-13 | 1995-08-08 | Hitachi Ltd | Safety signal transmitting system for elevator |
| US5708416A (en) * | 1995-04-28 | 1998-01-13 | Otis Elevator Company | Wireless detection or control arrangement for escalator or moving walk |
| US6173814B1 (en) * | 1999-03-04 | 2001-01-16 | Otis Elevator Company | Electronic safety system for elevators having a dual redundant safety bus |
| US6467585B1 (en) * | 2001-07-05 | 2002-10-22 | Otis Elevator Company | Wireless safety chain for elevator system |
| JP4204299B2 (en) * | 2002-10-18 | 2009-01-07 | 東芝エレベータ株式会社 | Elevator control device |
-
2005
- 2005-03-31 CN CN200580015399A patent/CN100595123C/en not_active Expired - Fee Related
- 2005-03-31 EP EP05727351.8A patent/EP1864934B1/en not_active Expired - Fee Related
- 2005-03-31 KR KR1020067026537A patent/KR100874304B1/en active IP Right Grant
- 2005-03-31 WO PCT/JP2005/006289 patent/WO2006106574A1/en not_active Application Discontinuation
- 2005-03-31 JP JP2007512378A patent/JPWO2006106574A1/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| WO2006106574A1 (en) | 2006-10-12 |
| KR100874304B1 (en) | 2008-12-18 |
| KR20070088314A (en) | 2007-08-29 |
| JPWO2006106574A1 (en) | 2008-09-11 |
| EP1864934B1 (en) | 2019-10-23 |
| EP1864934A4 (en) | 2012-11-07 |
| EP1864934A1 (en) | 2007-12-12 |
| CN1953925A (en) | 2007-04-25 |
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