CN1139644A - Elevator equipment - Google Patents
Elevator equipment Download PDFInfo
- Publication number
- CN1139644A CN1139644A CN96107127A CN96107127A CN1139644A CN 1139644 A CN1139644 A CN 1139644A CN 96107127 A CN96107127 A CN 96107127A CN 96107127 A CN96107127 A CN 96107127A CN 1139644 A CN1139644 A CN 1139644A
- Authority
- CN
- China
- Prior art keywords
- elevator
- signal
- monitoring device
- buffer circuits
- photodiode
- 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.)
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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
-
- 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
-
- 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
- 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
- B66B1/3415—Control system configuration and the data transmission or communication within the control system
-
- 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
- B66B1/3415—Control system configuration and the data transmission or communication within the control system
- B66B1/3423—Control system configuration, i.e. lay-out
-
- 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
- B66B1/3415—Control system configuration and the data transmission or communication within the control system
- B66B1/3446—Data transmission or communication within the control system
-
- 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
- B66B1/3415—Control system configuration and the data transmission or communication within the control system
- B66B1/3446—Data transmission or communication within the control system
- B66B1/3453—Procedure or protocol for the data transmission or communication
Landscapes
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Computer Networks & Wireless Communication (AREA)
- Indicating And Signalling Devices For Elevators (AREA)
- Maintenance And Inspection Apparatuses For Elevators (AREA)
- Optical Communication System (AREA)
Abstract
Disclosed is an elevator which comprises an elevator controller(10), an elevator monitor(20), a buffer and a passage device(40) which is used to send and receive signals between the elevator controller(10) and the elevator monitor according to a serial multiplex transmission arrangement arranged near or inside the elevator monitor(20). The invention reduces the signal transmission and receiving among the devices and reduces the electrical wires that are needed to transmit and receive signals among the devices. The signal voltages of the devices can be set freely by insulating the signals transmitted and received by a photocoupler. In this way, the design freedom of the elevator can be greater.
Description
The present invention relates to lift facility, relate in particular to the elevator monitoring device that is used to monitor elevator by computed elevator control gear control elevator.
Generally, be used for controlling the machine room that elevator control device is positioned at a building top layer, the monitoring device that is used for monitoring the elevator state is positioned at the control room of an architecture bottom layer.The elevator state of monitoring comprises these projects, such as the accidental stall of elevator, calls out by the Internet, and the short circuit of control setup, and definite request of suitably carrying out monitoring device etc.Elevator control gear sends the signal (below be called the elevator status signal) of indicating elevator serviceability to monitoring device, and is presented on the read out instrument such as display lamp.
In addition, just in case earthquake or power failure take place, monitoring device just sends control signals such as alerting signal or halt signal to elevator control device, to carry out predetermined operation control.
Signal number between control setup and the monitoring device is relevant with floor number, elevator number, monitoring project and option, in recent years, has tended to increase signal number.Because along with increasing of signal, so the also corresponding increase of the number of required electric wire is the wiring that such increase leads to errors and cost is increased.In addition, increase, connect binding post and need more space corresponding to wiring.
Therefore,, in the patent of JPA63-262350 and JPA1-247382, disclosed a kind of imagination, promptly used the serial multiplex communication between elevator control gear and monitoring device, to transmit signal in order to reduce the number of electric wire between control setup and the monitoring device.Promptly, by each elevator control gear and monitoring device are provided with communicator, in this signalization bus between the two, transmission/received signal is converted to serial signal, and increase and the identifying code signal of transfer address sign indicating number one class by signal bus, thereby only usefulness signal wire (SW) seldom can transmit monitor signal and control signal.
Yet, in the correlation technique that above-mentioned signal transmits, do not consider no-voltage signals such as relay contact signal are used as the signal that transmits between elevator control gear and monitoring device.
Therefore, because elevator control gear often has different system configuration and different design cycle and makers with monitoring device, preferably arbitrarily and dividually be set in the voltage level of transmission/received signal between each control setup and the monitoring device.
In order to realize this performance, by using relay, use these activation signals of electric wire transmission/reception then, thereby the signal that transmits between control setup and monitoring device is converted to the no-voltage activation signal at each device place.Yet, under situation, run into the problem that wiring increases as mentioned above according to the data communication system of above-mentioned activation signal.
The number that the objective of the invention is arbitrarily to determine the voltage of signals of transmission/reception between elevator control gear and monitoring device and reduce electric wire.
To achieve these goals, the present invention includes first buffer circuits, be used to store the status signal of elevator; And the monitoring device of elevator, be used for showing the state of elevator according to the elevator status signal that is stored in this first buffer circuits, its feature is that communicator (transmitting/received signal by the serial multiplex between elevator control gear and monitoring device) is located on or near monitoring device, be provided with second buffer circuits that is used to store the status signal that is sent to this communicator, second buffer circuits is connected by chromacoder (signal that is used for electric insulating transmission/reception) with first buffer circuits.
In the present invention, realize following effect, to reach aforesaid purpose.
That is, carry out the serial multichannel communication multiple telecommunication by communication circuit and transmit/receive the signal that transmits between elevator control gear and the monitoring device, to reduce the required wiring of transmission/received signal.
Particularly, can arbitrarily be set in the voltage of signals level of transmission/reception between elevator control gear and the monitoring device by chromacoder (being used for electric insulating by the voltage signal of communication circuit in transmission/reception between elevator control gear and the monitoring device), the insulation interfaces such as combination by photoelectrical coupler or relief relay and contact thereof can provide insulation here.As a result, even the design cycle of elevator control gear and monitoring device or maker are different, owing to can arbitrarily dispose this system, so can obtain bigger degree of freedom during design.
With reference now to accompanying drawing, example is described embodiments of the invention.
Fig. 1 is the layout circle of the one embodiment of the invention of the monitoring device of elevator and elevator control gear.
Fig. 2 is the configuration schematic diagram of an embodiment of input/ output interface 24 and 44 and one groups of photoelectrical couplers 46 and 48.
Fig. 3 is the diagram of circuit of an embodiment, and the I/O order of operation according to the transmission signal of communication adapter 40 is shown.
Fig. 4 illustrates the scheme drawing of the whole lift facility of the present invention.
Fig. 1 illustrates the scheme drawing corresponding to the one embodiment of the invention of the monitoring device of elevator and elevator control gear, and Fig. 4 illustrates the whole scheme drawing of a lift facility of the present invention.As shown in Figure 1, elevator control gear 10 system bus 15 that comprises microcomputer 11, memory device 12, input/output interface 13, communication port 14 and be used between said elements transmitting signal.As shown in Figure 4, elevator control gear is arranged in the machine room of building top layer.Input/output interface 13 transmits or receives the control signal between the external device (ED) (relevant with elevator control, as be used for making the bont that lift car moves and be used to detect the switch etc. of the position of these cars).Interface comprises the change-over circuit that is used for signal voltage level and is used for the relay circuit of changeover contact signal.As shown in Figure 4, communication port 14 is linked the communication port of Room terminating set 1 (being located in the elevator hall corresponding to institute's control elevator), car terminating set 3 (being located in the car 2), elevator control gear 4 (being used for the another one elevator) and group control device 5 (by the order wire 8 of signal bus formation).
In addition, by the microcomputer 11 that is stored in the elevator control program operation elevator control gear 10 in the memory device 12, for example, communicate by letter with car terminating set 3 with Room terminating set 1 by communication port 14, and as shown in Figure 4, send instruction according to signal to bont 7 and come mobile car 2, and make car be parked in the floor 9 of specifying select switch 8 selections from switch 6 (being located in the Room).Operation thus, microcomputer 11 transmits and received signal between the external device (ED) around the elevator control gear 4 of bont 7, Room terminating set 1, car terminating set 3, another elevator and the group control device 5, in addition, it also regulates the moving up and down of car, time-out, Kai Heguan.
On the other hand, monitoring device 20 comprise microcomputer 21, memory device 22, input/output interface 23 and 24, be used between said elements transmitting signal system bus 25, continue power unit 30, communication adapter 40 and one group of photoelectrical coupler 46 and 48.As shown in Figure 4, monitoring device 20 generally is arranged in the control room of architecture bottom layer.By the Monitoring and Controlling procedure operation microcomputer 21 that is stored in the memory device 22.For example, microcomputer 21 is read independent generator drive signal (operating conditions and different alarms such as earthquake and/or fire alarm by the independent generator of input/output interface 23 are shown) from the outside, and goes up the state of output elevator at read out instrument 26 (such as display lamp etc.) by input/output interface 23.
Continue power supply 30 and comprise rectifier 32, it carries out rectification to the alternating current that ac current source 31 provides; Power supply 34 is used for converting required vdc to and providing power supply to other load by the direct current (DC) that battery 33 is provided; And the recharging device 35 of floating.
Communication adapter 40 comprises microcomputer 41, memory device 42, communication port 43, input/output interface 44 and the system bus that transmits signal between said elements.These input/output interfaces 44 and above-mentioned input/output interface 24 link together by one group of photoelectrical coupler 46 and 48.This photoelectrical coupler group 46 and 48 is chromacoders, is used for the signal that electric insulating transmits between input/output interface 44 and input/output interface 24, and it comprises the insulation interface that is used to isolate the signal voltage between two interfaces 24 and 44.
Communication control between elevator control gear 10 and the monitoring device 20 is then described.The required all functions of network service known to the communication port 14 of elevator control gear 10 and the communication port 43 of communication adapter 40 have generally separately.Microcomputer 11 is according to the communication control program control communication port 14 that is stored in the memory device 12.So, can between the communication port of the device of linking order wire 18, transmit and received signal.For example, the microcomputer 11 of elevator control gear 10 is read the elevator status signal that is sent by order wire 18 from Room terminating set and car terminating set by communication port 14, and as required these signals is deposited in the memory device 12.Then, microcomputer 11 is read the elevator status signal corresponding to predetermined monitoring project from memory device 12, required information is added in the heading message and other communication control of address by control communication port 14, produce the serial multiplex signal of required signal transformat, and give order wire 18 these signal outputs.
The communication port 43 of communication adapter 40 also have communication port 14 and with the above identical functions, and shown in the diagram of circuit of Fig. 3, behind initialization operation (101), communication port 43 reads out in the heading message (102) of the serial multi-path signal that sends on the order wire 18 according to the instruction of microcomputer 41.Then, the heading message of serial multi-path signal to input is deciphered (103), if think that signal is fit to,, then read these signals and carry out they are converted to the input operation (104) of parallel duplex signal if promptly these signals suitably are addressed to monitoring device 20.Then, the data division of elevator status signal is deposited in the buffer circuits (105) of input/output interface 44.Determine memory of data allocation of space in the buffer circuits according to each elevator status signal.
In addition, seismic sensor, fire detector and independent generator are input to earthquake alarm signal, fire alarm signal and independent generator drive signal respectively predetermined bit position in the buffer circuits of input/output interface 23 of monitoring device 20.Microcomputer 21 is periodically visited the buffer circuits of input/output interface 23, and determines whether to have imported these signals.Then, if determine to have had alerting signal, then this alerting signal is input in the buffer circuits of input/output interface 24.The alerting signal (will further describe later on) that is input to input/output interface 24 is imported into input/output interface 44 by photoelectrical coupler group 48.The communication port 43 of communication adapter 40 outputs to order wire 18 (Fig. 3,106) to the alerting signal in the buffer circuits that is stored in input/output interface 44 according to the instruction of microcomputer 41.Promptly, microcomputer 41 control communication port 44, and the serial multiplex signal (will be output to order wire 18) of generation prearranged signal transformat, wherein these signals comprise the signal and the independent generator drive signal such as heading message, earthquake alarm of address, or other essential control information.Communication adapter 40 is carried out lost motion operation, returns step 102 carried out signal (sending to the outside) transmission in the step 106 of Fig. 3 after, thereby repeats aforesaid operations again.
Fig. 2 illustrates input/ output interface 24 and 44 and the specific embodiment of photoelectrical coupler group 46 and 48.As shown in the figure, input/output interface 24 comprises buffer circuits 27A and 27B and a plurality of transistor T.Similarly, input/output interface 44 comprises buffer circuits 47A and 47B and a plurality of transistor T.The elevator status signal that sends to communication port 43 from elevator control gear 10 by order wire 18 is deposited in bit position predetermined the buffer circuits 47A.Each output of buffer circuits 47A is input to the control end (grid) of each transistor T.Each transistor T plays the effect of on-off element, according to main terminal is switched on or switched off between to (source, drain electrode).Then, so connect transistor T, thereby controlled turn-on and disconnection are corresponding to the electric current of the photodiode PD of each status signal setting.Phototransistor PT links photodiode PD by light.A terminal in a pair of main electric terminal of phototransistor PT is linked power Vcc A by resistance R 2, another terminal ground connection.Voltage on the contact between resistance R 2 and the phototransistor PT is input to the bit position of buffer circuits 27A as status signal.That is, the voltage signal that is input to buffer circuits 47A is transferred to buffer circuits 27A by photoelectrical coupler 46 as voltage signal.Because the insulation of the 46 pairs of voltage signals of photoelectrical coupler group, so the transmission of voltage signal or receive in fact with the transmission of no-voltage contact point signal or receive identical between buffer circuits 47A and the buffer circuits 24A.Read the status signal that is stored in the buffer circuits 27A bit position by microcomputer 21, and it is outputed to read out instrument 26 by input/output interface 23.So, shown the state of elevator.
On the other hand, as shown in Figure 2, by the operation of microcomputer 21, be sent to predetermined bit position the alerting signal such as earthquake of elevator control gear 10 and the buffer circuits 27B that the independent generator operation signal is imported into input/output interface 24 from monitoring device 20.The voltage signal of preparing input buffer circuit 27B is input to buffer circuits 47B by photoelectrical coupler group 48 in identical as mentioned above mode.Because 46 pairs of signal voltage insulation of coupler group transmit in fact identical with the no-voltage contact point signal that transmits and receive with the voltage signal that receives between buffer circuits 27B and 47B.
Therefore, above the present invention is by being provided with communication adapter 40 (can pass through signals such as order wire 18 transmission and receiving condition signal) and elevator control gear 10 to monitoring device 20, and transmit and received signal according to the imagination of between elevator control gear 10 and monitoring device 20, making the serial multichannel communication multiple telecommunication by communication adapter 40, thereby can satisfy the basic demand that reduces number of wires.
Particularly, (as the voltage signal of the power Vcc B of communication adapter 40) is used the insulation interface insulation of photoelectrical coupler group 46 because the status signal that receives from adapter 40, and be converted into the voltage signal of the power Vcc A of monitoring device 20, so can arbitrarily be set at required level to the voltage of signals level that transmits and receive according to elevator control gear 10 or detecting device 20; This signal is imported into the input/output interface 24 of monitoring device 20 then.On the other hand, because (voltage signals of VccA type) such as alerting signals that be sent to elevator control gear 10 from monitoring device 20 is used the insulation interface insulation of photoelectrical coupler group 48, and be converted into the voltage-type voltage signal of communication adapter 40, so can optionally set the voltage of signals level that transmits and receive according to elevator control gear 10 or monitoring device 20; This signal is input to elevator control gear 10 by input/output interface 44 and communication port 14 then.Therefore, because the separately design and elevator control gear and monitoring device by the system of merchant's manufacturing of different manufacturing of cycle that can be different, so bigger degree of freedom is arranged aspect system design.
As shown in Figure 1, communication adapter 40 can be attached or be broken away from monitoring device 20, or can separate placement with monitoring device 20.
In addition, available relief relay replaces the photodiode PD of photoelectrical coupler group 46 and 48, and the contact of this relief relay can be used for driving phototransistor PT.
In addition, provided an example, wherein the control action of 10 pairs of communication port 14 of elevator control gear is distributed to microprocessor 11, and it can carry out general control to elevator, if but the communication control service load further increases, the microprocessor that another is exclusively used in communication is set preferably then.
As mentioned above, according to the present invention, because the order wire of the signal that transmits between elevator control gear and monitoring device and receive by bus system transmitted and received by the serial multichannel communication multiple telecommunication, so satisfied for the requirement that reduces number of wires.
Particularly, because use the voltage signal insulation of insulation interface between elevator control gear and monitoring device, transmitting and receive of photoelectrical coupler or relief relay, so can optionally set the voltage of signals level that transmits and receive by elevator control gear and monitoring device by order wire.As a result, because the separately elevator control gear and the monitoring device of design and the system that makes by different makers of cycle that can be different, so in system design, had bigger degree of freedom.
Claims (9)
1. an elevator monitoring device (20) shows according to the elevator status signal that is stored in first buffer circuits (27A) that is used for store electricity scalariform attitude signal to it is characterized in that the state of elevator:
By the serial multiplex between elevator control gear (10) and elevator monitoring device (20), transmit and the communicator of received signal near or be arranged in elevator monitoring device (20),
Be provided with second buffer circuits (47A) that is used for the status signal that the storing communication device receives, and
Be provided with the status signal that is used for being stored in second buffer circuits and convert the electric insulating signal to, and the chromacoder (46) of these signal outputs to first buffer circuits.
2. elevator monitoring device as claimed in claim 1 is characterized in that chromacoder (46) is a photoelectrical coupler or relief relay at least.
3. elevator monitoring device as claimed in claim 1, it is characterized in that chromacoder (46) is to comprise by the photodiode of first power drives with by light linking photodiode and the photoelectrical coupler of the phototransistor that driven by second source, thereby switch on and off photodiode by the status signal that is stored in second buffer circuits.
4. an elevator monitoring device (20) is used for the state according to the elevator status signal demonstration elevator of importing from elevator control gear (10), comprising:
First microcomputer (21),
First memory (22),
First input/output interface (24),
The 3rd input/output interface (23),
Be used to connect first bus system (25) of said elements, and
Link the read out instrument (26) of the 3rd input/output interface, it is characterized in that:
By the serial multiplex between elevator control gear (10) and elevator monitoring device (20), transmit and the communicator (40) of received signal near or be arranged in elevator monitoring device (20),
Communicator comprises second microcomputer (41), second memory (42), communication port (43), second input/output interface (44) and second system bus (45), bus (45) connects the said elements of communicator, and read in the elevator status signal that transmits from elevator control gear by order wire (18) by communication port, and these signals are sent to first input/output interface by second input/output interface, and
Be provided with transfer device (46), be used for electric insulating and transmit the signal that is sent to first input/output interface from second input/output interface.
5. elevator monitoring device as claimed in claim 4, it is characterized in that chromacoder (46) is made of photoelectrical coupler, this coupler has by the photodiode of first power drives and the phototransistor being linked photodiode and driven by second source by light, switches on and off photodiode by the status signal from the output of second input/output interface.
6. a lift facility comprises first energy disperser (27A) that is used for store electricity scalariform attitude signal and is used for the elevator monitoring device (20) that basis is stored in the elevator status signal demonstration elevator state of first buffer circuits (27A), it is characterized in that:
By the serial multiplex between elevator control gear (10) and elevator monitoring device (20), transmit and the communicator (40) of received signal near or be arranged in elevator monitoring device (20), in lift facility, be provided with second buffer circuits (47A) that is used to store the status signal that is sent to communicator, and chromacoder (46), be used for that a status signal that is stored in second buffer circuits converted to the electric insulating signal and these signal outputs to first buffer circuits.
7. lift facility as claimed in claim 6, it is characterized in that chromacoder (46) is made of photoelectrical coupler, this coupler has by the photodiode of first power drives with by light to be linked photodiode and by the phototransistor that second source drives, switches on and off photodiode by the status signal from be stored in second buffer circuits.
8. lift facility, comprise the elevator control gear (10) that is used to control elevator and be used to monitor the elevator monitoring device (20) of elevator state, wherein the elevator monitoring device comprises first buffer circuits (27A and 27B) that is used to be stored in the signal that transmits between elevator control gear and the elevator monitoring device and receive, show the elevator state according to the elevator status signal that is stored in first buffer circuits (27A), and the signal that is sent to elevator control gear is deposited in first buffer circuits (27B), it is characterized in that:
By the serial multiplex between elevator control gear (10) and elevator monitoring device (20), transmit and the communicator (40) of received signal near or be arranged in elevator monitoring device (20),
Second buffer circuits (47A and 47B), be used to store the signal that these transmit and receive from communicator, first chromacoder (46), be used for these signals that are stored in second buffer circuits (47A) are converted to the electric insulating signal, and they are outputed to first buffer circuits (27A), second transfer device (48), be used for a signal that is stored in first buffer circuits (27B) is converted to the electric insulating signal, and these signal outputs to second buffer circuits (47B).
9. lift facility as claimed in claim 8,
It is characterized in that first chromacoder (46) is made of first photoelectrical coupler, this coupler has by first photodiode of first power drives and first phototransistor being linked first photodiode and driven by second source by light, switch on and off first photodiode by the signal that is stored in second buffer circuits, and
It is characterized in that secondary signal transfer device (46) is made of second photoelectrical coupler, this coupler has second photodiode that driven by second source and is linked second photodiode and by second phototransistor of first power drives, switched on and off second photodiode by the signal that is stored in second buffer circuits by light.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7154247A JPH092749A (en) | 1995-06-21 | 1995-06-21 | Elevator monitoring device |
| JP154247/95 | 1995-06-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1139644A true CN1139644A (en) | 1997-01-08 |
| CN1084286C CN1084286C (en) | 2002-05-08 |
Family
ID=15580055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN96107127A Expired - Fee Related CN1084286C (en) | 1995-06-21 | 1996-06-21 | Elevator equipment |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPH092749A (en) |
| KR (1) | KR970001189A (en) |
| CN (1) | CN1084286C (en) |
| GB (1) | GB2302602B (en) |
| HK (1) | HK1004984A1 (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6590986B1 (en) * | 1999-11-12 | 2003-07-08 | Siemens Hearing Instruments, Inc. | Patient-isolating programming interface for programming hearing aids |
| GB2364991B (en) * | 2000-05-05 | 2004-05-26 | Read Holdings Ltd | Lift control system |
| WO2002098778A1 (en) * | 2001-06-04 | 2002-12-12 | Read Holdings Limited | Communication means for lift control system |
| FR2830135B1 (en) * | 2001-09-25 | 2004-08-20 | Otis Elevator Co | ELECTRONIC DEVICE FOR PROTECTING THE SERIAL COMMUNICATION LINE OF AN ELEVATOR INSTALLATION |
| JP4581637B2 (en) * | 2004-11-11 | 2010-11-17 | 株式会社日立製作所 | Split device group elevator |
| CN105293222A (en) * | 2015-11-24 | 2016-02-03 | 重庆伊士顿电梯有限责任公司 | Elevator car top box control device and elevator control system |
| CN105967016B (en) * | 2016-06-24 | 2018-09-11 | 广州广日电梯工业有限公司 | A kind of monitoring device of band-type brake detection switch |
| WO2019073606A1 (en) * | 2017-10-13 | 2019-04-18 | 三菱電機株式会社 | Elevator renewal method |
| WO2019224928A1 (en) * | 2018-05-22 | 2019-11-28 | ジャパンエレベーターサービスホールディングス株式会社 | Device for assisting in remote monitoring of elevator |
| CN110861989A (en) * | 2019-11-14 | 2020-03-06 | 宁波宏大电梯有限公司 | Elevator audible and visual alarm control switching circuit |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS624179A (en) * | 1985-06-28 | 1987-01-10 | 株式会社東芝 | Group controller for elevator |
| JPH02138081A (en) * | 1988-11-19 | 1990-05-28 | Hitachi Ltd | Elevator system |
-
1995
- 1995-06-21 JP JP7154247A patent/JPH092749A/en active Pending
-
1996
- 1996-06-10 GB GB9612049A patent/GB2302602B/en not_active Expired - Fee Related
- 1996-06-20 KR KR1019960022706A patent/KR970001189A/en not_active Application Discontinuation
- 1996-06-21 CN CN96107127A patent/CN1084286C/en not_active Expired - Fee Related
-
1998
- 1998-05-13 HK HK98104112A patent/HK1004984A1/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| HK1004984A1 (en) | 1998-12-18 |
| GB2302602A (en) | 1997-01-22 |
| GB9612049D0 (en) | 1996-08-14 |
| CN1084286C (en) | 2002-05-08 |
| GB2302602B (en) | 1999-03-10 |
| JPH092749A (en) | 1997-01-07 |
| KR970001189A (en) | 1997-01-21 |
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