CN105752788B - Elevator emergency operation direction determination process and elevator emergency motion control method - Google Patents
Elevator emergency operation direction determination process and elevator emergency motion control method Download PDFInfo
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- CN105752788B CN105752788B CN201610182374.9A CN201610182374A CN105752788B CN 105752788 B CN105752788 B CN 105752788B CN 201610182374 A CN201610182374 A CN 201610182374A CN 105752788 B CN105752788 B CN 105752788B
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- elevator
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- 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
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- Maintenance And Inspection Apparatuses For Elevators (AREA)
- Elevator Control (AREA)
Abstract
The present invention relates to a kind of elevator emergency operation direction determination process, for judging the traffic direction of elevator when apparatus for controlling elevator uses emergency power supply, include the following steps：When enabling emergency power supply, elevator maintains zero-speed operation；Open band-type brake；Ring of regulating the speed is fed back, and elevator is made to be in controllable car rolling state；By detecting the rolling direction of elevator, traffic direction is obtained.The invention further relates to a kind of elevator emergency motion control methods.The above method makes elevator in controllable car rolling state to obtain traffic direction, need not obtain the weight relationships between lift car and counterweight by additional weighing device, algorithm is simple and convenient by controlling the loop feedback of elevator.
Description
Technical field
It, should more particularly to a kind of elevator emergency direction of motion determination methods and elevator the present invention relates to elevator technology field
Anxious motion control method.
Background technology
Elevator releases to guarantee to be stuck in passenger in the elevator of non-leveling zone when having a power failure, generally requires outer match somebody with somebody
UPS powers, and ups power capacity is generally chosen smaller, therefore, to assure that (i.e. lift car weight is big for the direction operation to elevator weight
When counterweight weight, moved to lift car direction, Elevator weight sensor weight moves when heavy to counterweight direction) so that elevator is in
Generator operation state.It absorbs energy at least from UPS at this time.
Equipped with elevator simulation amount weighing device inside earlier elevator control systems, elevator can be detected by weighing device
Weight, and then realize the functions such as elevator overload protection, the compensation of elevator staring torque, elevator weight judgement, however now with control
The continuous progress of technology processed, elevator is weighed without analog quantity can obtain preferable startup effect.Apparatus for controlling elevator at present
It is general to be only fully loaded with digital quantity weighing device with elevator overload, other load-carryings can not be detected, therefore are detected by traditional analog quantity
The method of elevator weight is unworkable.
The content of the invention
Based on this, it is necessary to provide it is a kind of be not required additional weighing device can judge under emergency rating elevator transport
The method of line direction.
In addition, also provide a kind of elevator emergency motion control method.
A kind of elevator emergency operation direction determination process, for judging elevator when apparatus for controlling elevator is using emergency power supply
Traffic direction, include the following steps：
When enabling emergency power supply, elevator maintains zero-speed operation；
Open band-type brake；
Ring of regulating the speed is fed back, and elevator is made to be in controllable car rolling state；
By detecting the rolling direction of elevator, traffic direction is obtained.
In one of the embodiments, further include：
If rolling direction can not be detected, when detecting zero-speed, judge that the torque inside control system goes out force direction；
The negative direction of force direction is gone out as traffic direction using the torque.
In one of the embodiments, further include：
When detecting zero-speed, judge that the torque inside control system goes out force direction；
If detect rolling direction and torque go out force direction on the contrary, if torque gone out into the negative direction of force direction as operation side
To；
If it is consistent to detect that rolling direction and torque go out force direction, close that band-type brake detects rolling direction again and torque goes out
Force direction.
In one of the embodiments, the step of ring of regulating the speed feeds back, elevator is made to be in controllable car rolling state has
Body includes：
Loop parameter velocity loop proportional integration is set to the preset value less than normal value；
Cancel automated torque backoff algorithm.
In one of the embodiments, the preset value is the 1/4 of normal value.
In one of the embodiments, the step of detection elevator rolling direction specifically includes：
When detecting encoder pulse variation more than 2 pulses, elevator rolling direction is recorded.
A kind of elevator emergency motion control method, for controlling operation side of the elevator according to acquisition when using emergency power supply
To operation, which is characterized in that include the following steps：
The direction of motion of elevator is obtained according to above-mentioned elevator emergency direction of motion determination methods；
Into normal emergent motor pattern；
After elevator speed is stablized, if judge elevator actual motion direction whether with output torque direction on the contrary,
It is then to continue to run with, it is otherwise out of service；
Close band-type brake.
Above-mentioned elevator emergency operation direction determination process and elevator emergency motion control method, by the speed for controlling elevator
Ring is fed back, and is made elevator in controllable car rolling state to obtain traffic direction, need not be obtained electricity by additional weighing device
Weight relationships between terraced car and counterweight, algorithm are simple and convenient.
Description of the drawings
Fig. 1 is lift car schematic diagram in an intermediate position；
Relations of the Fig. 2 between lift car and counterweight；
Fig. 3 is the elevator emergency operation direction determination process flow chart of an embodiment；
Fig. 4 is the particular flow sheet of the step S103 in Fig. 3.
Specific embodiment
It is further described below in conjunction with drawings and examples.
Elevator in the process of running, may meet with situation about powering off suddenly.It needs to enable emergency power supply at this time.Emergent
Before power supply is formally devoted oneself to work, lift car is it is possible that resting on a certain intermediate floor position namely being not in flat bed.Such as
Shown in Fig. 1, lift car 200 is between the i-th floor 101 and i+1 floor 102.When this happens, lift car
Passenger in 200 can not come in and go out safely, it is necessary to by 200 safe operation of lift car to a certain floor flat bed namely run to i-th
Floor 101 or i+1 floor 102.
With reference to figure 2, lift car 200 and counterweight 300 are connected to the both ends of traction machine 400, and counterweight 300 can be with supplemental lift
Car 200 lifts.According to the quantity of passenger in lift car 200, the total weight of lift car 200 is likely larger than, is equal to or small
In the weight of counterweight 300.For so lift car 200 when rising or falling, the traction provided required for traction machine 400 is not yet
Equally.
It, be in the case where consuming minimum energy by lift car when enabling emergency power supply in the case of unexpected power-off
200 flat beds.At this time, it may be necessary to judge the relation between the total weight W1 of lift car 200 and the weight W2 of counterweight 300.
As W1 ＞ W2, can select lift car 200 running to the i-th floor 101, consumed energy is minimum at this time.
As W1 ＜ W2, can select lift car 200 running to i+1 floor 102, consumed energy is minimum at this time.
Therefore, during this, it is important to judge weight relationships, determine operation method.Following embodiment provides a kind of
Elevator emergency operation direction determination process, solves the above problems.As shown in figure 3, a kind of elevator emergency operation direction determination process,
Include the following steps：
Step S101：When enabling emergency power supply, elevator maintains zero-speed operation.Zero-speed operation can keep elevator relatively quiet
Only so that lift car still can maintain original position when band-type brake is opened.
Step S102：Open band-type brake.In system cut-off, band-type brake can be automatically closed and block lift car, avoid car slipping.
After step S101 forms zero-speed operating status, band-type brake can be opened, so as to run.
Step S103：Ring of regulating the speed is fed back, and elevator is made to be in controllable car rolling state.The zero-speed operation of elevator accelerates, is even
Speed runs slowly, and is all that acquisition is constantly adjusted by loop feedback.This step makes elevator by adjusting loop feedback
In it is a kind of be similar to lose traction and only allow lift car 200 and the mutual weight relationships of counterweight 300 determine
The state of traffic direction -- controllable car rolling state.In this way, in 200 car slipping of lift car, it can be determined that go out feasible operation side
To.
Step S104：By detecting the rolling direction of elevator, traffic direction is obtained.If rolling direction can not be detected, hold
Row step S105, otherwise, the rolling direction that can be directly detected perform step S106 as traffic direction or further.
Step S105：When detecting zero-speed, judge that the torque inside control system goes out force direction.It is contributed with the torque
The negative direction in direction is traffic direction.
Step S106：When detecting zero-speed, judge that the torque inside control system goes out force direction.And further perform step
Rapid S107：Judge whether the rolling direction that detects and torque go out force direction consistent, if unanimously, performing step S109, otherwise
Perform step S100.
Step S108：Torque is gone out into the negative direction of force direction as traffic direction.
Step S109：Close band-type brake.Above-mentioned steps S101~S109 is re-executed afterwards.
Above-mentioned steps S101~S104 if step S104 can directly detect rolling direction, has been able to determine fortune
Line direction directly can control elevator cab movement according to the traffic direction.
Above-mentioned steps S101~S105 is in the case where step S104 can not detect rolling direction, further uses
The method of another step S105 determines operation method.It, can be directly according to the fortune after determining traffic direction according to step S105
Line direction controls elevator cab movement.
Above-mentioned steps S101~S108 is in the case where step S104 can detect rolling direction, further uses
The method of another step S105 determines operation method, to verify traffic direction that former approach obtains.Only when two operations
When direction is consistent, just elevator cab movement is controlled according to the traffic direction.It can so ensure the accuracy of detection.
In above-mentioned processing procedure, by controlling the loop feedback of elevator, make elevator in controllable car rolling state to obtain
Traffic direction further goes out force direction by the internal torque of detection, to obtain traffic direction.It all need not be by additional
Weighing device obtain the weight relationships between lift car 200 and counterweight 300, algorithm is simple and convenient.
Above-mentioned steps S103：Ring of regulating the speed is fed back, and the step of elevator is made to be in controllable car rolling state specifically includes：
Step S131：Loop parameter velocity loop proportional integration is set to the preset value less than normal value.Like this, zero-speed
Operating status is broken, and lift car is intended to car slipping.In the present embodiment, which can be set to the 1/4 of normal value.With
Reach a preferable controllable state.
Step S132：Cancel automated torque backoff algorithm.Automated torque backoff algorithm is the routine side for preventing elevator car slipping
Method.Cancel the algorithm, elevator can be promoted to enter car rolling state.
The step of detection elevator rolling direction in above-mentioned steps S104, specifically includes：It is super in detection encoder pulse variation
When crossing 2 pulses, elevator rolling direction is recorded.Encoder pulse is the encoder pulse of the motor of traction machine 400, the fortune of motor
Turn that elevator rolling direction can be embodied.The time of 2 pulses is to control elevator car slipping in minimum distance.
The determination methods for the direction of motion that above-described embodiment provides can obtain the traffic direction of elevator.Based on this method,
A kind of elevator emergency motion control method can also be provided.
This method is that the movement side of elevator is obtained according to the above-mentioned elevator emergency direction of motion determination methods first
To.Subsequently into normal emergent motor pattern.
After elevator speed is stablized, if judge elevator actual motion direction whether with output torque direction on the contrary,
It is then to continue to run with, it is otherwise out of service and close band-type brake.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope that this specification is recorded all is considered to be.
Embodiment described above only expresses the several embodiments of the present invention, and description is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that come for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (6)
1. a kind of elevator emergency operation direction determination process, for judging elevator when apparatus for controlling elevator uses emergency power supply
Traffic direction includes the following steps：
When enabling emergency power supply, elevator maintains zero-speed operation；
Open band-type brake；
Ring of regulating the speed is fed back, and elevator is made to be in controllable car rolling state；
By detecting the rolling direction of elevator, traffic direction is obtained；
Wherein, when detecting zero-speed, judge that the torque inside control system goes out force direction；
If detect rolling direction and torque go out force direction on the contrary, if torque gone out into the negative direction of force direction as traffic direction；
If it is consistent to detect that rolling direction and torque go out force direction, closes band-type brake and detect rolling direction and torque output side again
To.
2. elevator emergency operation direction determination process according to claim 1, which is characterized in that further include：
If rolling direction can not be detected, when detecting zero-speed, judge that the torque inside control system goes out force direction；
The negative direction of force direction is gone out as traffic direction using the torque.
3. according to claim 1~2 any one of them elevator emergency operation direction determination process, which is characterized in that the tune
Whole loop feedback, the step of elevator is made to be in controllable car rolling state, specifically include：
Loop parameter velocity loop proportional integration is set to the preset value less than normal value；
Cancel automated torque backoff algorithm.
4. elevator emergency operation direction determination process according to claim 3, which is characterized in that the preset value is normal
The 1/4 of value.
5. elevator emergency operation direction determination process according to claim 1, which is characterized in that the detection elevator car slipping
The step of direction, specifically includes：
When detecting encoder pulse variation more than 2 pulses, elevator rolling direction is recorded.
6. a kind of elevator emergency motion control method, for controlling traffic direction of the elevator according to acquisition when using emergency power supply
Operation, which is characterized in that include the following steps：
The direction of motion of elevator is obtained according to Claims 1 to 5 any one of them elevator emergency direction of motion determination methods；
Into normal emergent motor pattern；
After elevator speed is stablized, judge elevator actual motion direction whether with output torque direction on the contrary, if so,
It continues to run with, it is otherwise out of service；
Close band-type brake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610182374.9A CN105752788B (en) | 2016-03-28 | 2016-03-28 | Elevator emergency operation direction determination process and elevator emergency motion control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610182374.9A CN105752788B (en) | 2016-03-28 | 2016-03-28 | Elevator emergency operation direction determination process and elevator emergency motion control method |
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| CN105752788A CN105752788A (en) | 2016-07-13 |
| CN105752788B true CN105752788B (en) | 2018-06-01 |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110697521B (en) * | 2019-10-17 | 2022-04-19 | 深圳市海浦蒙特科技有限公司 | Elevator emergency operation control method and device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1213249A1 (en) * | 2000-12-07 | 2002-06-12 | Inventio Ag | Braking device for an elevator |
| CN101780906A (en) * | 2010-01-30 | 2010-07-21 | 宁波宏大电梯有限公司 | Self-adaptive control method of elevator emergency operation |
| CN102398815A (en) * | 2011-09-30 | 2012-04-04 | 快意电梯有限公司 | Elevator power failure emergency flat layer operation direction detecting device and method |
| CN104176569A (en) * | 2014-09-09 | 2014-12-03 | 西继迅达（许昌）电梯有限公司 | Elevator power failure flat layer rescuing device and method |
-
2016
- 2016-03-28 CN CN201610182374.9A patent/CN105752788B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1213249A1 (en) * | 2000-12-07 | 2002-06-12 | Inventio Ag | Braking device for an elevator |
| CN101780906A (en) * | 2010-01-30 | 2010-07-21 | 宁波宏大电梯有限公司 | Self-adaptive control method of elevator emergency operation |
| CN102398815A (en) * | 2011-09-30 | 2012-04-04 | 快意电梯有限公司 | Elevator power failure emergency flat layer operation direction detecting device and method |
| CN104176569A (en) * | 2014-09-09 | 2014-12-03 | 西继迅达（许昌）电梯有限公司 | Elevator power failure flat layer rescuing device and method |
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| CN105752788A (en) | 2016-07-13 |
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