CN106829656B - Elevator operation control method - Google Patents
Elevator operation control method Download PDFInfo
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- CN106829656B CN106829656B CN201710125145.8A CN201710125145A CN106829656B CN 106829656 B CN106829656 B CN 106829656B CN 201710125145 A CN201710125145 A CN 201710125145A CN 106829656 B CN106829656 B CN 106829656B
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- 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
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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
- B66B5/0006—Monitoring devices or performance analysers
- B66B5/0018—Devices monitoring the operating condition of the elevator system
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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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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Elevator Control (AREA)
Abstract
The present invention relates to a kind of elevator operation control methods, including：Elevator is obtained in advance under from zero load to fully loaded different load-carryings, zero-speed running current when zero-speed running current when uplink starts, downlink start is suitable for the uplink maximum acceleration value of each floor and is suitable for the downlink maximum acceleration value of each floor, and preserves；When elevator is run, zero-speed is run after opening band-type brake, obtains current zero-speed running current；According to elevator traffic direction and current zero-speed running current, equidirectional immediate zero-speed running current is obtained from the data of preservation, and corresponding maximum acceleration value is obtained according to the immediate zero-speed running current；According to the corresponding maximum acceleration value and the elevator destination to be reached, rate curve is planned and according to rate curve control elevator operation.Above-mentioned elevator operation control method can take into account running quality and efficiency.
Description
Technical field
The present invention relates to elevator control technology fields, more particularly to a kind of elevator operation control method.
Background technology
For a determining elevator, what configuration was to determine, such as elevator payload ratings, normal speed, traction machine work(
Rate and torque etc..However the parameters such as elevator acceleration and deceleration speed can then be adjusted.If acceleration and deceleration speed is set too big, elevator
There may be output torques to be less than required loading moment+acceleration and deceleration process torque during acceleration and deceleration for control system.If
There is such case, control system actual speed can not track elevator given speed, influence elevator normal operation, if setting
Too small, elevator operating efficiency is low.
Invention content
Based on this, it is necessary to provide a kind of elevator operation control method that can set suitable acceleration.
A kind of elevator operation control method, including：
Elevator is obtained in advance under from zero load to fully loaded different load-carryings, and zero-speed running current when uplink starts, downlink are opened
Zero-speed running current when the beginning is suitable for the uplink maximum acceleration value of each floor and is suitable for the downlink of each floor
Maximum acceleration value, and preserve；
When elevator is run, zero-speed is run after opening band-type brake, obtains current zero-speed running current；
According to elevator traffic direction and current zero-speed running current, obtained from the data of preservation equidirectional immediate
Zero-speed running current, and corresponding maximum acceleration value is obtained according to the immediate zero-speed running current；
According to the corresponding maximum acceleration value and the elevator destination to be reached, rate curve is planned and according to institute
State rate curve control elevator operation.
Further include in one of the embodiments,：During elevator is run according to the rate curve, detect in real time
Torque current whether reach frequency converter permission maximum output torque electric current, if so, execute adjustment process, otherwise continue according to
The rate curve of planning is run；
The adjustment process includes：
Acceleration A old when detecting that torque current reaches the maximum output torque electric current of frequency converter permission is gradually subtracted
As low as 0；
The acceleration A old is reduced into setting and is worth to new acceleration A new, and according to the new acceleration A new
Again rate curve is planned；
Acceleration is gradually increased to new acceleration A new from 0, and is run according to the rate curve planned again.
If being detected in real time during being run according to the rate curve planned again in one of the embodiments,
Torque current reaches the maximum output torque electric current of frequency converter permission, carries out the adjustment process again.
It is described in one of the embodiments, to be followed successively by the 5% of payload ratings respectively from zero load to fully loaded different load-carryings
N times, wherein N be 1~20 integer.
The step for the uplink maximum acceleration value for being suitable for each floor under setting load-carrying is obtained in one of the embodiments,
Suddenly include：
Elevator is placed in the flat bed of the floor of any non-top layer, after elevator meets service condition, opens band-type brake zero-speed fortune
Row；
Initial acceleration is provided, as currently running acceleration；
Normal speed is accelerated to according to currently running acceleration uplink；
During elevator accelerates to normal speed from zero-speed, detect motor torque current whether reach frequency converter permit
Perhaps torque capacity electric current, if so, currently running acceleration is subtracted after setting amplitude as the maximum under live load
Acceleration value；Otherwise, the floor of any non-top layer will be returned to after Elevator landing, and by currently running acceleration to set
After amplitude increase, the step of repeating above-mentioned acceleration, detection and judge.
Further include in one of the embodiments,：All obtained under different floors under a live load most greatly
Velocity amplitude, and using minimum value therein as the uplink maximum acceleration value for being suitable for each floor.
The step for the downlink maximum acceleration value for being suitable for each floor under setting load-carrying is obtained in one of the embodiments,
Suddenly include：
Elevator is placed in the flat bed of the floor of any non-bottom, after elevator meets service condition, opens band-type brake zero-speed fortune
Row；
Initial acceleration is provided, as currently running acceleration；
Normal speed is accelerated to according to currently running acceleration downlink；
During elevator accelerates to normal speed from zero-speed, detect motor torque current whether reach frequency converter permit
Perhaps torque capacity electric current, if so, currently running acceleration is subtracted after setting amplitude as the maximum under live load
Acceleration value；Otherwise, the floor of any non-bottom will be returned to after Elevator landing, and by currently running acceleration to set
After amplitude increase, the step of repeating above-mentioned acceleration, detection and judge.
Further include in one of the embodiments,：All obtained under different floors under a live load most greatly
Velocity amplitude, and using minimum value therein as the downlink maximum acceleration value for being suitable for each floor.
The initial acceleration is 0.1m/s in one of the embodiments,2, the amplitude that sets is 0.05m/s2。
The uplink maximum acceleration value and downlink maximum acceleration value are respectively less than elevator system in one of the embodiments,
The KB limit of system setting.
Above-mentioned elevator operation control method is run by the zero-speed when the advance uplink obtained under different load-carryings starts
Zero-speed running current when electric current, downlink start is suitable for the uplink maximum acceleration value of each floor and is suitable for each
The downlink maximum acceleration value of floor judges immediate load-carrying according to zero-speed running current, then obtains in actual motion
The maximum acceleration value that can be used.Elevator acceleration will not be made to be arranged excessive, also can effectively take into account operational efficiency.
Description of the drawings
Fig. 1 is the elevator operation control method flow chart of an embodiment；
Fig. 2 is each stage schematic diagram for adjusting acceleration in the process of running.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Fig. 1 is the elevator operation control method flow chart of an embodiment.This approach includes the following steps S110~S140.
Step S110：Elevator is obtained in advance under from zero load to fully loaded different load-carryings, zero-speed operation electricity when uplink starts
Zero-speed running current when starting of stream, downlink is suitable for the uplink maximum acceleration value of each floor and is suitable for each building
The downlink maximum acceleration value of layer, and preserve.
Step S120：When elevator is run, zero-speed is run after opening band-type brake, obtains current zero-speed running current.
Step S130：According to elevator traffic direction and current zero-speed running current, obtained from the data of preservation equidirectional
Upper immediate zero-speed running current, and corresponding maximum acceleration value is obtained according to the immediate zero-speed running current.
Step S140：According to the corresponding maximum acceleration value and the elevator destination to be reached, planning speed is bent
Line is simultaneously run according to rate curve control elevator.
Above-mentioned elevator operation control method is run by the zero-speed when the advance uplink obtained under different load-carryings starts
Zero-speed running current when electric current, downlink start is suitable for the uplink maximum acceleration value of each floor and is suitable for each
The downlink maximum acceleration value of floor judges immediate load-carrying according to zero-speed running current, then obtains in actual motion
The maximum acceleration value that can be used.Elevator acceleration will not be made to be arranged excessive, also can effectively take into account operational efficiency.
In one embodiment, in the data under obtaining different load-carryings, the load-carrying of setting can be followed successively by specified load
The integer that N times of the 5% of weight, wherein N are 1~20.In other embodiments, more multi-group data or less group can also be obtained
Data.
In one embodiment, the uplink maximum for being suitable for each floor under the acquisition setting load-carrying in step S110 accelerates
The step of angle value may include：
Elevator is placed in the flat bed of the floor of any non-top layer, after elevator meets service condition, opens band-type brake zero-speed fortune
Row.
Initial acceleration is provided, as currently running acceleration.
Normal speed is accelerated to according to currently running acceleration uplink.
During elevator accelerates to normal speed from zero-speed, detect motor torque current whether reach frequency converter permit
Perhaps torque capacity electric current, if so, currently running acceleration is subtracted after setting amplitude as the maximum under live load
Acceleration value；Otherwise, the floor of any non-top layer will be returned to after Elevator landing, and by currently running acceleration to set
After amplitude increase, the step of repeating above-mentioned acceleration, detection and judge.
Above-mentioned steps S110 can also include：The peak acceleration under a live load is all obtained under different floors
Value, and using minimum value therein as the uplink maximum acceleration value for being suitable for each floor.
According to above-mentioned processing mode, the specific processing procedure under a kind of elevator cars with full load state presented below.
After elevator carries out coefficient of balance, counterweight is positioned in lift car, elevator is made to be in full load condition.
Elevator is in normal condition, elevator reaches lowest floor level position.After elevator meets service condition, elevator control
Internal system processed provides zero-speed operation order, opens band-type brake and operation contactor.Elevator runs for zero-speed at this time, acquisition output electricity
Stream, and be recorded in array IUp [20], then system provides an initial acceleration A1=0.1m/s2, elevator controlling system
System accelerates to the normal speed of elevator according to this acceleration.Whether detection output torque electric current Iqr reaches frequency converter during this period
(value is set by controller parameter, generally electric life controller rated current by maximum allowable output torque electric current IqMax
1.8 times -2.0 times), if within the time period, the torque current Iqr detected does not reach maximum allowable output torque electricity
IqMax is flowed, then elevator flat bed nearby, the bottom is reached automatically again after flat bed.
Acceleration A 1 is increased into 0.05m/s2It repeats the above steps, if the Iqr detected is more than or equal to IqMax, on
Detection is stated to complete.Illustrate that above-mentioned acceleration has reached or more than electric life controller maximum output torque at this time.To so it work as
Preceding A1-0.05m/s2The peak acceleration Amax of permission as record, will be in parameter storage to array AmaxUp [20]；Such as
The Iqr that fruit detects be less than IqMax, illustrate at this time there are no torque capacity is reached, then at this time on the basis of A1 according to
0.05m/s2It is cumulative, repeat previous step.
After detecting [20] maximum data AmaxUp, it is contemplated that different floor steel wire ropes and the difference to heavy chain.Elevator
It is according to the Iqr that the verification of above-mentioned acceleration detects from lowest floor, the second layer, the secondary high-rise respectively starting point of third layer ... successively
It is no to reach IqMax.If detecting that Iqr does not reach IqMax in operational process again, control system can terminate this
Test, if detecting that Iqr reaches IqMax in operational process again, control system can be by this acceleration A maxUP
[20] 0.05 is subtracted automatically, is retested until meeting condition.Above-mentioned test can be by control system close beta program certainly
Dynamic test, is not necessarily to manual operation.
Thus obtain zero-speed torque current IUp [20] and uplink maximum acceleration value under fully loaded uplink state
AmaxUp[20]。
After completing above-mentioned steps, according to above method, readjusting car counterweight makes its weight be the 19/ of payload ratings
20 (i.e. 95%), while obtaining uplink zero-speed torque current IUp [19] and AmaxUp [19] in 19/20 load condition.Together
Sample, adjusting separately car counterweight makes its weight be 18/20,17/20,16/20,15/20 ... ..1/20 of payload ratings, 0/20
(zero load) obtains corresponding zero-speed ascending torque electric current IUp [18], IUp [17], IUp [16], IUp [15] ... IUp [1], IUp
[0] and allow peak acceleration AmaxUp [18], AmaxUp [17], AmaxUp [6], AmaxUp [15] ... AmaxUp
[1]、AmaxUp[0]。
In one embodiment, the downlink maximum for being suitable for each floor under the acquisition setting load-carrying in step S110 accelerates
The step of angle value may include：
Elevator is placed in the flat bed of the floor of any non-bottom, after elevator meets service condition, opens band-type brake zero-speed fortune
Row；
Initial acceleration is provided, as currently running acceleration；
Normal speed is accelerated to according to currently running acceleration downlink；
During elevator accelerates to normal speed from zero-speed, detect motor torque current whether reach frequency converter permit
Perhaps torque capacity electric current, if so, currently running acceleration is subtracted after setting amplitude as the maximum under live load
Acceleration value；Otherwise, the floor of any non-bottom will be returned to after Elevator landing, and by currently running acceleration to set
After amplitude increase, the step of repeating above-mentioned acceleration, detection and judge.
Above-mentioned steps S110 can also include：The peak acceleration under a live load is all obtained under different floors
Value, and using minimum value therein as the downlink maximum acceleration value for being suitable for each floor.
According to above-mentioned processing mode, the specific processing procedure under a kind of elevator cars with full load state presented below.
After elevator carries out coefficient of balance, counterweight is positioned in lift car, elevator is made to be in full load condition.
Elevator is in normal condition, elevator runs to top, after elevator meets service condition, in elevator control system
Portion provides zero-speed operation order, opens band-type brake and operation contactor, and control system provides zero-speed operation, acquires output current, and
It is recorded in array IDn [20], then system provides an initial acceleration A1=0.1m/s2.Control system is according to this
Acceleration, downlink accelerate to normal speed, within this time, judge to detect whether output torque electric current Iqr reaches frequency converter
Maximum allowable output torque electric current IqMax, if within the time period, the Iqr detected does not reach IqMax, then elevator
Flat bed nearby reaches top after flat bed automatically again.Acceleration A 1 is increased into 0.05m/s2It repeats the above steps, if detection
The Iqr arrived is more than or equal to IqMax, then above-mentioned detection is completed.Illustrate that above-mentioned acceleration has reached or more than elevator control at this time
Device maximum output torque processed.So by current acceleration A1-0.05m/s2The peak acceleration Amax of permission as record, will
In parameter storage to array AmaxDn [20]；If the Iqr detected is less than IqMax, illustrate that there are no reach maximum at this time
Torque, then it is cumulative according to 0.05m/s on the basis of A1 at this time, repeat previous step.
After detecting [20] maximum data AmaxDn, it is contemplated that different floor steel wire ropes and the difference to heavy chain.Elevator
Successively from uppermost storey, the 3rd layer of secondary high level ..., the 2nd layer be respectively starting point according to the Iqr that detects of above-mentioned acceleration verification whether
Reach IqMax.If detecting that Iqr does not reach IqMax in operational process again, control system can terminate this time to survey
Examination, if detecting that Iqr reaches IqMax in operational process again, control system can be by this acceleration A maxDn [20]
Automatically 0.05 is subtracted, retested until meeting condition.Above-mentioned test is all that control system close beta program is tested automatically, nothing
Need manual operation.
After completing above-mentioned steps, according to above method, readjusting car counterweight makes its weight be the 19/ of payload ratings
20, while obtaining downlink zero-speed torque current IDn [19] and AmaxDn [19] in 19/20 load condition.Likewise, point
Not Tiao Zheng car counterweight make its weight be 18/20,17/20,16/20,15/20 ... ..1/20 of payload ratings, 0/20 (zero load)
And obtain corresponding zero-speed descending torque electric current IDn [18], IDn [17], IDn [16], IDn [15] ... IDn [1], IDn [0]
And peak acceleration AmaxDn [18], AmaxDn [17], AmaxDn [6], the AmaxDn15 allowed] ... AmaxDn [1],
AmaxDn[0]。
In one embodiment, the maximum acceleration value is less than the KB limit of elevator device setting.
In elevator running system, generally there are one maximum limitation ALimit for acceleration maximum value, when by calculated above
Acceleration A maxUp [K], the AmaxDn [K] gone out, (20>=K>=0) above-mentioned, if AmaxUp [K] is more than or equal to ALimit
AmaxUp [K] is substituted by ALimit automatically.If AmaxDn [K] is more than or equal to ALimit, above-mentioned AmaxDn [K] quilt automatically
ALimit is substituted.
Zero-speed torque current IUp [K], AmaxUp [K], IDn [K], the AmaxDn [K] of above-mentioned record can be with tables of data
Form is respectively stored in inside elevator control system storage chip.When elevator is run, can directly read.
It is specific as follows to step S120~S130：
In elevator actual moving process, after elevator control system opens band-type brake, zero-speed operation is maintained first, detection is at this time
Output torque electric current I simultaneously obtains elevator traffic direction.If ascending for elevator, torque current I first with storage in the chip
The zero-speed torque current array IUp [K] in portion, which tables look-up, to be compared, and selects one group of AmaxUp [K] value closest to I [K] as reference,
Immediate with AmaxUp [K] while less than AmaxUp [K] acceleration value, which is found, by internal sort is used as this operation
Initial acceleration；If elevator downlink torque current I first with the zero-speed torque current array IDn that is stored in chip interior
[K], which tables look-up, to be compared, and selects one group of AmaxDn [K] value closest to I [K] as reference, by internal sort find with
The initial acceleration that acceleration value immediate while less than AmaxDn [K] AMaxDn [K] is run as this.By above-mentioned
The acceleration of lookup be meet the rapidity accelerated simultaneously can when control system torque and have certain surplus.
Further, after step s 140, can also include：In the process that elevator is run according to the rate curve
In, the maximum output torque electric current whether torque current reaches frequency converter permission is detected in real time, if so, executing following adjusted
Otherwise journey continues to run according to the rate curve of planning.
The adjustment process includes：
Acceleration A old when detecting that torque current reaches the maximum output torque electric current of frequency converter permission is gradually subtracted
As low as 0；
The acceleration A old is reduced into setting and is worth to new acceleration A new, and according to the new acceleration A new
Again rate curve is planned；
Acceleration is gradually increased to new acceleration A new from 0, and is run according to the rate curve planned again.
If during being run according to the rate curve planned again, the torque current that detects in real time, which reaches frequency converter, to be permitted
Perhaps maximum output torque electric current, is adjusted again.
Elevator carries out rate curve control according to the acceleration that searches above, in operational process, while detecting in real time defeated
Go out whether torque current Iqr reaches the maximum allowable output torque electric current IqMax of frequency converter, if Iqr does not reach frequency converter
Maximum allowable torque current IqMax, then elevator is according to this acceleration normal operation.Otherwise it handles by the following method：
As shown in Figure 2：Elevator detects that output torque electric current Iqr is more than the output torque electric current that frequency converter allows in t1 points
IqMax, elevator control system plan new operation curve, first, in accordance with transient process 1 shown in Fig. 2, are slowed down with anxious faster
Acceleration is gradually decreased to 0 by degree, when acceleration reduces to 0, plans elevator operation curve again and to update inner curve each
Inflection point speed.New operation curve operation acceleration initial value Anew, Anew initial value is that original acceleration A old subtracts 0.1.Into
When transient 2, elevator accelerates to Anew with faster anxious acceleration, into transient process 3.The motor detected in real time later turns
Square electric current Iqr does not reach the maximum allowable output torque electric current IqMax of frequency converter, then elevator is according to the song planned again
Line accelerates to given speed operation by transient process 3 and transient process 4.If detecting that motor torque electric current Iqr is still reached to
The output torque electric current IqMax maximum allowable to frequency converter, then, it needs to re-execute above-mentioned steps, turn until meeting motor
Square electric current Iqr does not reach the maximum allowable output torque electric current IqMax of frequency converter.
By upper surface treatment, by the peak acceleration that offline mode preserves out uplink, downlink different loads allow, in electricity
In terraced normal course of operation, sampling is compared with off-line data by zero-speed operation, chooses an optimal accelerating curve,
Ensure that elevator being capable of normal operation.
In view of deviation may occur for actual loading, once control system detects that output torque reaches in accelerator
Amplitude limit value, elevator control system carry out curvature correction automatically, it is ensured that elevator operation curve, which can take over seamlessly, ensures elevator operation
Comfort can ensure elevator high-efficiency operation simultaneously.
Each technical characteristic of embodiment described above can be combined arbitrarily, to keep 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, it is all considered to be the range of this specification record.
Several embodiments of the invention above described embodiment only expresses, the description thereof 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 coming 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
Range.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of elevator operation control method, including：
Elevator is obtained in advance under from zero load to fully loaded different load-carryings, when zero-speed running current when uplink starts, downlink start
Zero-speed running current, be suitable for the uplink maximum acceleration value of each floor and be suitable for each floor downlink it is maximum
Acceleration value, and preserve；
When elevator is run, zero-speed is run after opening band-type brake, obtains current zero-speed running current；
According to elevator traffic direction and current zero-speed running current, equidirectional immediate zero-speed is obtained from the data of preservation
Running current, and corresponding maximum acceleration value is obtained according to the immediate zero-speed running current；
According to the corresponding maximum acceleration value and the elevator destination to be reached, rate curve is planned and according to the speed
Line traffic control of writing music elevator is run.
2. elevator operation control method according to claim 1, which is characterized in that further include：In elevator according to the speed
During spending curve motion, the maximum output torque electric current whether torque current reaches frequency converter permission is detected in real time, if so,
Adjustment process is then executed, otherwise continues to run according to the rate curve of planning；
The adjustment process includes：
By detect torque current reach frequency converter permission maximum output torque electric current when acceleration A old gradually reduce to
0；
The acceleration A old is reduced into setting and is worth to new acceleration A new, and again according to the new acceleration A new
Plan rate curve；
Acceleration is gradually increased to new acceleration A new from 0, and is run according to the rate curve planned again.
3. elevator operation control method according to claim 2, which is characterized in that if bent according to the speed planned again
During line is run, the torque current detected in real time reaches the maximum output torque electric current of frequency converter permission, carries out institute again
State adjustment process.
4. elevator operation control method according to claim 1, which is characterized in that described to be carried from zero load to fully loaded difference
It is followed successively by N times of the 5% of payload ratings respectively again, the integer that wherein N is 1~20.
5. elevator operation control method according to claim 1, which is characterized in that be suitable under acquisition setting load-carrying each
The step of uplink maximum acceleration value of floor includes：
Elevator is placed in the flat bed of the floor of any non-top layer, after elevator meets service condition, opens the operation of band-type brake zero-speed；
Initial acceleration is provided, as currently running acceleration；
Normal speed is accelerated to according to currently running acceleration uplink；
During elevator accelerates to normal speed from zero-speed, whether the torque current for detecting motor reaches frequency converter permission
Torque capacity electric current accelerates after setting amplitude if so, currently running acceleration is subtracted as the maximum under live load
Angle value；Otherwise, the floor of any non-top layer will be returned to after Elevator landing, and by currently running acceleration to set amplitude
After increase, the step of repeating above-mentioned acceleration, detection and judge.
6. elevator operation control method according to claim 5, which is characterized in that further include：Under different floors all
The maximum acceleration value under a live load is obtained, and minimum value therein is maximum as the uplink for being suitable for each floor
Acceleration value.
7. elevator operation control method according to claim 1, which is characterized in that be suitable under acquisition setting load-carrying each
The step of downlink maximum acceleration value of floor includes：
Elevator is placed in the flat bed of the floor of any non-bottom, after elevator meets service condition, opens the operation of band-type brake zero-speed；
Initial acceleration is provided, as currently running acceleration；
Normal speed is accelerated to according to currently running acceleration downlink；
During elevator accelerates to normal speed from zero-speed, whether the torque current for detecting motor reaches frequency converter permission
Torque capacity electric current accelerates after setting amplitude if so, currently running acceleration is subtracted as the maximum under live load
Angle value；Otherwise, the floor of any non-bottom will be returned to after Elevator landing, and by currently running acceleration to set amplitude
After increase, the step of repeating above-mentioned acceleration, detection and judge.
8. elevator operation control method according to claim 7, which is characterized in that further include：Under different floors all
The maximum acceleration value under a live load is obtained, and minimum value therein is maximum as the downlink for being suitable for each floor
Acceleration value.
9. according to claim 5~8 any one of them elevator operation control method, which is characterized in that the initial acceleration
For 0.1m/s2, the amplitude that sets is 0.05m/s2。
10. according to claim 5~8 any one of them elevator operation control method, which is characterized in that the uplink is most greatly
Velocity amplitude and downlink maximum acceleration value are respectively less than the KB limit of elevator device setting.
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| JPH07215614A (en) * | 1994-02-03 | 1995-08-15 | Hitachi Ltd | Monitor and control device of elevator |
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| KR20130142252A (en) * | 2012-06-19 | 2013-12-30 | 조상윤 | Elevator system |
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| CN106829656A (en) | 2017-06-13 |
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