CN109650196A - The rescue mode of elevator power failure - Google Patents
The rescue mode of elevator power failure Download PDFInfo
- Publication number
- CN109650196A CN109650196A CN201811174821.1A CN201811174821A CN109650196A CN 109650196 A CN109650196 A CN 109650196A CN 201811174821 A CN201811174821 A CN 201811174821A CN 109650196 A CN109650196 A CN 109650196A
- Authority
- CN
- China
- Prior art keywords
- elevator
- carriage
- car slipping
- circuit
- power supply
- 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.)
- Pending
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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
- B66B1/02—Control systems without regulation, i.e. without retroactive action
- B66B1/06—Control systems without regulation, i.e. without retroactive action electric
-
- 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
- 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
Abstract
The invention discloses a kind of rescue modes of elevator power failure, include the following steps: (1) when the improper power-off of elevator external power supply major loop RST terminal, control circuit starts Single-phase UPS, gives all other circuit and equipment in addition to main circuit of frequency converter to power by Single-phase UPS；(2) MCB master control borad sending is opened a sluice gate to instruct, and the load by the weight of the self weight and carriage of counterweight is poor, and elevator motor is allowed slowly to rotate, and makes the slow car slipping of carriage to nearest floor, then gives carriage door machine system power supply, and people is put in enabling；(3) during car slipping, if when car slipping speed is greater than the first predetermined speed, then MCB master control borad is instructed to elevator traction machine output band-type brake, by elevator traction machine carriage stop, car slipping is opened a sluice gate again after car slipping speed is less than the second predetermined speed, until carriage reaches level position.The present invention has the advantages that not needing the car slipping for keeping elevator actively controllable automatically of external staff's assistance in elevator power failure.
Description
Technical field
The present invention relates to elevator, more particularly, to it is a kind of do not need external staff's assistance keep elevator actively controllable automatically
The rescue mode of the elevator power failure of car slipping.
Background technique
Traditional elevator is mainly by MCB master control borad (microcontroller mainboard) come what is controlled, and MCB master control borad includes
Elevator logic control part, the speed monitoring of Frequency Drive Control part and motor encoder and feedback processing part.MCB master
Control plate is called together by the safety return circuit and loop of the door lock signal and hoistway switching signal etc. of monitoring elevator periphery to respond the outer of elevator
And it is interior call calling signal together, various signals according to the physical location of elevator, are converted into rate curve by MCB master control borad, pass through driving
Control loop output control signal controls transducer drive major loop, and output current signal drives synchronous motor or asynchronous machine,
Traction sheave rotation is driven to move up and down to drag carriage to destination floor.
Reply elevator external power supply major loop RST terminal the case where powering off suddenly, at present mainly using ARD power supply, UPS and
Battery three kinds of modes achieve the purpose that make lift car emergency operating；When elevator external power supply major loop RST terminal is unexpected
It is external directly to connect the end RST or driving above-mentioned three kinds of emergency power supplies on major loop be to main circuit of frequency converter and MCB when power-off
Master control borad power supply, is equivalent to from power frequency power switching to emergency power supply and works, major loop driving motor again, at a slow speed lift car
Level position is run to, people is put in enabling.The shortcomings that this coping style has: 1, at high cost, ARD power supply, UPS are required to pass through handle
Battery feed is converted into AC power source by DC-AC inverter circuit, then works to frequency converter or all-in-one machine main circuit power supply, institute
To need matched electric power storage stream and DC-AC inverter circuit to have bigger power；Battery mode is also that battery is connect to become
On the major loop (DC bus) of frequency device or all-in-one machine, it is also desirable to which battery has bigger power, and because is all forceful electric power
Switching, so contactor interlocking circuit is needed in peripheral motor circuit, it is costly and complicated.2, when main circuit of frequency converter or one
When the driver portion damage of body controller, the starting again of frequency converter or integrated controller to elevator cannot achieve,
Leveling movement can not be exactly carried out, to be unable to reach the purpose for rescuing people.3, in addition there are also artificial nondominant hand it is dynamic declutch mode or
Electric brake releasing mode needs carriage external staff outside elevator or computer room is rescued, and elevator cannot achieve to be asked without foreign aid automatically
It helps, achievees the purpose that put people in time, and when such mode is rescued, the current safe condition of elevator can not be detected, can not be learnt
The current position of carriage, can not Detection & Controling carriage practical rescue traffic direction and speed.
Summary of the invention
To solve the above problems, it is an object of that present invention to provide it is a kind of do not need external staff's assistance make elevator master automatically
Move the rescue mode of the elevator power failure of controllable car slipping.
The present invention realizes that a kind of rescue mode of elevator power failure includes the following steps: by following technical measures
(1) when the improper power-off of elevator external power supply major loop RST terminal, control circuit starts Single-phase UPS, by
Single-phase UPS gives all other circuit and equipment power supply in addition to main circuit of frequency converter；
(2) the elevator logic circuit of MCB master control borad practical floor position according to locating for carriage, monitors the safety of elevator
Circuit and door lock circuit, in the case where ensuring safety, sending is opened a sluice gate to instruct, by the load of the weight of the self weight and carriage of counterweight
Difference allows elevator motor slowly to rotate, and makes the slow car slipping of carriage to nearest floor, then gives carriage door machine system power supply, and enabling is put
People；
(3) during car slipping, MCB master control borad passes through the feedback speed of monitoring PG card, if be greater than in car slipping speed
When the first predetermined speed, then MCB master control borad is to elevator traction machine output band-type brake instruction, by elevator traction machine carriage system
Stop, open a sluice gate car slipping again after car slipping speed is less than the second predetermined speed, until carriage reach level position, ensure it is safe
In the case of open the door put people again.
Other circuits described in step (1) and equipment include MCB master control borad, encoder, feedback as a preferred method,
Card, PG card, door lock and safety return circuit, elevator traction machine, carriage, car top and outer calling board.
When elevator motor described in step (2) is synchronous motor as a preferred method, sending is opened a sluice gate to instruct, and passes through
Output envelope core operation, the load by the weight of the self weight and carriage of counterweight is poor, and synchronous motor is allowed slowly to rotate, and makes carriage slow
Car slipping to nearest floor, then give carriage door machine system power supply, people is put in enabling.
When elevator motor described in step (2) is asynchronous machine as a preferred method, directly issues and opens a sluice gate to instruct,
Load by the weight of the self weight and carriage of counterweight is poor and the self-lock force of worm reduction box, and asynchronous machine is allowed slowly to turn
It is dynamic, allow the slow car slipping of carriage to nearest floor, then give carriage door machine system power supply, people is put in enabling.
The present invention directly feeds MCB master control borad by ups power and passes through Single-phase UPS in the improper power-off of elevator
So that the automatic car slipping of elevator to leveling opening is put people, rather than drives the (main distinction with the prior art to driving major loop forceful electric power
Point), while giving other circuits and equipment power supply, the present invention in addition to main circuit of frequency converter not to need external people by ups power
The car slipping for keeping elevator actively controllable automatically that member assists.
Specific embodiment
Below with reference to embodiment, invention is further described in detail.
A kind of rescue mode of elevator power failure of the present embodiment, includes the following steps:
(1) when the improper power-off of elevator external power supply major loop RST terminal, MCB master control board starting Single-phase UPS,
All other circuit and the equipment power supply in addition to main circuit of frequency converter are given by Single-phase UPS；
(2) the elevator logic circuit of MCB master control borad practical floor position according to locating for carriage, monitors the safety of elevator
Circuit and door lock circuit, in the case where ensuring safety, sending is opened a sluice gate to instruct, by the load of the weight of the self weight and carriage of counterweight
Difference allows elevator motor slowly to rotate, and makes the slow car slipping of carriage to nearest floor, then gives carriage door machine system power supply, and enabling is put
People；
(3) during car slipping, MCB master control borad passes through the feedback speed of monitoring PG card, if be greater than in car slipping speed
When the first predetermined speed, then MCB master control borad is to elevator traction machine output band-type brake instruction, by elevator traction machine carriage system
Stop, open a sluice gate car slipping again after car slipping speed is less than the second predetermined speed, until carriage reach level position, ensure it is safe
In the case of open the door put people again.
This method is to directly feed MCB master control borad by ups power to pass through single-phase UPS electricity in the improper power-off of elevator
Source makes the automatic car slipping of elevator to leveling opening put people, rather than drives the (main region with the prior art to driving major loop forceful electric power
Other point), at the same by ups power in addition to main circuit of frequency converter other circuits and equipment power supply, when this method emergency operating
It assists without the personnel outside elevator and (can be configured as external staff's rescue or the rescue of carriage passenger operation).
In the embodiment of the rescue mode of an elevator power failure, in front specifically it is also possible that step on the basis of technical solution
Suddenly other circuits and equipment described in (1) include MCB master control borad, encoder, feedback card, PG card, door lock and safety return circuit, elevator
Traction machine, carriage, car top and outer calling board.
In the embodiment of the rescue mode of an elevator power failure, in front specifically it is also possible that step on the basis of technical solution
Suddenly elevator motor described in (2) be synchronous motor when, sending open a sluice gate to instruct, by output envelope core operation, by counterweight self weight with
The load of the weight of carriage is poor, and synchronous motor is allowed slowly to rotate, and allows the slow car slipping of carriage to nearest floor, then gives car door
People is put in machine system power supply, enabling.
In the embodiment of the rescue mode of an elevator power failure, in front specifically it is also possible that step on the basis of technical solution
Suddenly when elevator motor described in (2) is asynchronous machine, directly issues and open a sluice gate to instruct, by the self weight and carriage of counterweight weight it is negative
Poor and worm reduction box self-lock force is carried, asynchronous machine is allowed slowly to rotate, allows the slow car slipping of carriage to nearest building
Layer, then carriage door machine system power supply is given, people is put in enabling.
It is to be expounded to the rescue mode of elevator power failure of the present invention above, is used to help understand the present invention, but this hair
Bright embodiment is simultaneously not restricted to the described embodiments, any to change, modify, replace without departing from made under the principle of the invention
In generation, simplifies combination, should be equivalent substitute mode, is included in the interior of protection scope of the present invention.
Claims (4)
1. a kind of rescue mode of elevator power failure, it is characterised in that include the following steps:
(1) when the improper power-off of elevator external power supply major loop RST terminal, control circuit starts Single-phase UPS, by single-phase
Ups power gives all other circuit and equipment power supply in addition to main circuit of frequency converter；
(2) the elevator logic circuit of MCB master control borad practical floor position according to locating for carriage, monitors the safety return circuit of elevator
And door lock circuit, in the case where ensuring safety, sending is opened a sluice gate to instruct, and the load by the weight of the self weight and carriage of counterweight is poor,
It allows elevator motor slowly to rotate, makes the slow car slipping of carriage to nearest floor, then give carriage door machine system power supply, people is put in enabling；
(3) during car slipping, MCB master control borad is by monitoring the feedback speed of PG card, if being greater than first in car slipping speed
When predetermined speed, then MCB master control borad is to elevator traction machine output band-type brake instruction, by elevator traction machine carriage stop,
Car slipping is opened a sluice gate again after car slipping speed is less than the second predetermined speed, until carriage arrival level position, is ensuring safe feelings
It opens the door again under condition and puts people.
2. the rescue mode of elevator power failure according to claim 1, it is characterised in that: other circuits described in step (1)
With equipment include MCB master control borad, encoder, feedback card, PG card, door lock and safety return circuit, elevator traction machine, carriage, car top and
Outer calling board.
3. the rescue mode of elevator power failure according to claim 1, it is characterised in that: elevator motor described in step (2)
When for synchronous motor, sending is opened a sluice gate to instruct, and by output envelope core operation, the load by the weight of the self weight and carriage of counterweight is poor,
It allows synchronous motor slowly to rotate, allows the slow car slipping of carriage to nearest floor, then give carriage door machine system power supply, enabling is put
People.
4. the rescue mode of elevator power failure according to claim 1, it is characterised in that: elevator motor described in step (2)
It when for asynchronous machine, directly issues and opens a sluice gate to instruct, the load by the weight of the self weight and carriage of counterweight is poor and worm and gear slows down
The self-lock force of case, allows asynchronous machine slowly to rotate, and allows the slow car slipping of carriage to nearest floor, then supplies to carriage door mechanism system
People is put in electricity, enabling.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710943823 | 2017-10-11 | ||
| CN2017109438231 | 2017-10-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109650196A true CN109650196A (en) | 2019-04-19 |
Family
ID=66109974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811174821.1A Pending CN109650196A (en) | 2017-10-11 | 2018-10-09 | The rescue mode of elevator power failure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109650196A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111762653A (en) * | 2020-07-23 | 2020-10-13 | 巨人通力电梯有限公司 | Elevator power failure emergency rescue method and system |
| CN112591577A (en) * | 2020-12-18 | 2021-04-02 | 日立楼宇技术（广州）有限公司 | Rescue method for machine-room-less elevator and related equipment and system |
| CN112623901A (en) * | 2020-12-09 | 2021-04-09 | 日立电梯（中国）有限公司 | Elevator rescue method |
| CN113401761A (en) * | 2021-06-03 | 2021-09-17 | 日立楼宇技术（广州）有限公司 | Elevator power failure emergency control method and device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191106422A (en) * | 1911-03-14 | 1911-12-30 | Fred Randall | Improvements in Winding Apparatus for Mines, Lifts, and the like. |
| CN2044249U (en) * | 1988-11-21 | 1989-09-13 | 薛燊 | Emergency device for lift on temp. electricity cut-off |
| CN201890680U (en) * | 2010-10-20 | 2011-07-06 | 湖南富士电梯制造有限公司 | Elevator power failure emergency device |
| CN205419360U (en) * | 2016-02-17 | 2016-08-03 | 上海市特种设备监督检验技术研究院 | Elevator is system of saving oneself promptly |
| CN106829673A (en) * | 2017-04-07 | 2017-06-13 | 上海爱登堡电梯集团股份有限公司 | Machine-roomless lift with emergency rescue apparatus |
-
2018
- 2018-10-09 CN CN201811174821.1A patent/CN109650196A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191106422A (en) * | 1911-03-14 | 1911-12-30 | Fred Randall | Improvements in Winding Apparatus for Mines, Lifts, and the like. |
| CN2044249U (en) * | 1988-11-21 | 1989-09-13 | 薛燊 | Emergency device for lift on temp. electricity cut-off |
| CN201890680U (en) * | 2010-10-20 | 2011-07-06 | 湖南富士电梯制造有限公司 | Elevator power failure emergency device |
| CN205419360U (en) * | 2016-02-17 | 2016-08-03 | 上海市特种设备监督检验技术研究院 | Elevator is system of saving oneself promptly |
| CN106829673A (en) * | 2017-04-07 | 2017-06-13 | 上海爱登堡电梯集团股份有限公司 | Machine-roomless lift with emergency rescue apparatus |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111762653A (en) * | 2020-07-23 | 2020-10-13 | 巨人通力电梯有限公司 | Elevator power failure emergency rescue method and system |
| CN112623901A (en) * | 2020-12-09 | 2021-04-09 | 日立电梯（中国）有限公司 | Elevator rescue method |
| CN112591577A (en) * | 2020-12-18 | 2021-04-02 | 日立楼宇技术（广州）有限公司 | Rescue method for machine-room-less elevator and related equipment and system |
| CN112591577B (en) * | 2020-12-18 | 2022-07-26 | 日立楼宇技术（广州）有限公司 | Rescue method for machine-room-less elevator and related equipment and system |
| CN113401761A (en) * | 2021-06-03 | 2021-09-17 | 日立楼宇技术（广州）有限公司 | Elevator power failure emergency control method and device |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190419 |
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| RJ01 | Rejection of invention patent application after publication |