CN105152065B - Realize the system and method for elevator machine brake precision controlling - Google Patents
Realize the system and method for elevator machine brake precision controlling Download PDFInfo
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- CN105152065B CN105152065B CN201510571743.9A CN201510571743A CN105152065B CN 105152065 B CN105152065 B CN 105152065B CN 201510571743 A CN201510571743 A CN 201510571743A CN 105152065 B CN105152065 B CN 105152065B
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Abstract
The invention discloses a kind of system and method for realizing elevator machine brake precision controlling, the system includes host computer, and the host computer includes automatic voltage regulator current status detection module, inverter current state detection module, encoder pulse number state detection module, automatic voltage regulator control module, encoder pulse number monitoring modular, frequency converter outputs state detection module and automatic voltage regulator and stops control module；Methods described realizes the control to frequency converter, automatic voltage regulator, traction machine, brake and encoder by host computer.Present system and method have that cost is low, reliability is high, it is easy to operate, simple in construction the characteristics of, and can be directly on the traction machine for completing whole machine installation, on existing working condition, improve the control accuracy of brake, precision processing is carried out to brake without specially designing other tooling devices, it is easily installed and debugs, in the production that can be widely applied to brake.
Description
Technical field
The present invention relates to a kind of system and method for realizing brake precision controlling, especially one kind realizes elevator traction machine
The system and method for brake precision controlling, belongs to elevator brake security fields.
Background technology
In modern society, elevator has become riding instrument indispensable in people's life, its security run
Car slipping phenomenon relatively conventional in the concern of people, elevator accident is increasingly subject to, substantially because the forfeiture of brake braking force
It is caused.As the important safety component of elevator, the service life of brake directly affects the operation safety of elevator.
Common brake structural has two kinds of block formula and drum-type, and their operation principle is with draging by bilateral brake shoe
Draw the contact of mechanism driving wheel surface, produce friction catch to reach the effect of stop elevator.Because there is certain mistake in production technology
Difference, the surface of brake block may be uneven, when the traction machine braked wheel of brake shoe stop high-speed rotation, huge kinetic energy
Can be converted into heat energy, the protuberance of brake shoe can during the friction stop repeated, earliest because high temperature produces oxide, that is,
There is sintering phenomenon.Brake force at sintering will be substantially reduced so that the effective brake area of brake shoe is reduced, the stress of braking surface
It is uneven, and then the decline of brake braking force is led, reduce its service life.
The content of the invention
The invention aims to solve the defect of above-mentioned prior art there is provided one kind to realize that elevator traction machine is braked
The system of device precision controlling, the system has that cost is low, reliability is high, it is easy to operate, simple in construction the characteristics of, and can be straight
It is connected on the traction machine for completing whole machine installation, realizes the control to brake precision.
Another object of the present invention is to provide a kind of method for realizing elevator machine brake precision controlling.
The purpose of the present invention can be reached by adopting the following technical scheme that：
The system for realizing elevator machine brake precision controlling, the system includes host computer, and the host computer is with compiling
Code device is connected, and is connected by automatic voltage regulator with brake, and is connected by frequency converter with traction machine；The host computer bag
Include：
Automatic voltage regulator current status detection module, in the system incipient stage, detecting the electric current of automatic voltage regulator
Whether without output, if so, then judging that brake is in band-type brake state, if it is not, then sending fault cues；
Inverter current state detection module, for when brake is in band-type brake state, detecting the electric current of frequency converter to be
It is no without output, if so, judge traction machine be in off working state, if it is not, then sending fault cues；
Encoder pulse number state detection module, for when traction machine is in off working state, detecting the arteries and veins of encoder
Whether unchanged number is rushed, if so, control frequency converter constant current output, makes traction machine by constant low-speed running, if it is not, then sending failure
Prompting；
Automatic voltage regulator control module, for when traction machine is in locked rotor condition, control automatic voltage regulator to press setting value
Pressure regulation, makes brake declutch；
Encoder pulse number monitoring modular, the change for monitoring encoder pulse number is set when encoder pulse number reaches
During definite value, control automatic voltage regulator keeps constant pressure, brake block is entered mill lock state, i.e. brake shoe and is ground with traction machine
Close；
Frequency converter outputs state detection module, for when brake mill lock reaches setting time, whether detection frequency converter
Stop output, if so, judging that traction machine stops operating, if it is not, then sending fault cues；
Automatic voltage regulator stops control module, for when traction machine stops operating, controlling automatic voltage regulator to stop output,
Brake is set to fall lock.
As a kind of embodiment, the brake is block brake or drum brake.
As a kind of embodiment, the encoder is incremental encoder.
Another object of the present invention can be reached by adopting the following technical scheme that：
The method for realizing elevator machine brake precision controlling, methods described is realized to frequency converter, certainly by host computer
The control of pressure regulator, traction machine, brake and encoder is moved, including：
Whether the host computer detects the electric current of automatic voltage regulator without output, if so, then judging in the system incipient stage
Brake is in band-type brake state, if it is not, then sending fault cues；
When brake is in band-type brake state, whether the electric current of the upper computer detection frequency converter is without output, if so, judging
Traction machine is in off working state, if it is not, then sending fault cues；
When traction machine is in off working state, whether the umber of pulse of the upper computer detection encoder is unchanged, if so,
Frequency converter constant current output is controlled, makes traction machine by constant low-speed running, if it is not, then sending fault cues；
When traction machine is in locked rotor condition, the PC control automatic voltage regulator presses setting value pressure regulation, makes brake
Declutch；
The host computer monitors the change of encoder pulse number, when encoder pulse number reaches setting value, and control is automatic
Pressure regulator keeps constant pressure, brake block is entered mill lock state, i.e. brake shoe and carries out break-in with traction machine；
When brake mill lock reaches setting time, whether the upper computer detection frequency converter stops output；
The PC control automatic voltage regulator stops output, brake is fallen lock.
As a kind of embodiment, the encoder uses incremental encoder, and the encoder pulse number reaches setting
Setting value in value is calculated using following formula：
X=y*r*0.8
Wherein, x is setting value, and y is the increment that encoder turns around, and r is the rotating speed of traction machine.
The present invention has following beneficial effect relative to prior art：
1st, present system and method are when traction machine is in running order, if the pulse after the change of encoder pulse number
Number reaches setting value, and frequency converter output torque is constant, you can illustrate that brake is in the critical condition for dragging lock, brake shoe
With the traction sheave of traction machine can fully break-in, the protuberance on brake block surface is scabbled in the friction of low speed low temperature,
Effectively prevent the protuberance on brake shoe surface from sintering caused brake force and declining or the uneven phenomenon of local pressure, so as to realize production
When brake precision control, improve brake service life.
2nd, present system and method be able to need to be set to the parameter of each traction machine, limit the rotation speed of traction machine
Degree, it is ensured that during brake drag lock, the traction sheave of brake shoe and traction machine carries out mill lock in the state of reasonable low speed, it is to avoid brake
The loss of brake force.
3rd, present system and method have that cost is low, reliability is high, it is easy to operate, simple in construction the characteristics of, Er Qieke
Directly on the traction machine for completing whole machine installation, on existing working condition, to improve the control accuracy of brake, without
Specially design other tooling devices and precision processing is carried out to brake, it is easy to install and debug, can be widely applied to brake
In production.
Brief description of the drawings
Fig. 1 is the system construction drawing for realizing elevator machine brake precision controlling of the embodiment of the present invention 1.
Fig. 2 is the host computer structured flowchart of the embodiment of the present invention 1.
Fig. 3 is the method flow diagram for realizing elevator machine brake precision controlling of the embodiment of the present invention 2.
Wherein, 1- host computers, 2- frequency converters, 3- automatic voltage regulators, 4- traction machines, 5- brakes, 6- encoders.
Embodiment
Embodiment 1：
With reference to embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited
In this.
As shown in figure 1, the system for realizing elevator machine brake precision controlling of the present embodiment includes host computer 1, institute
Host computer 1 is stated with encoder 6 to be connected, and be connected with brake 5 by automatic voltage regulator 3 (automatic voltage regulator 3 and brake 5
Terminal box connects), and be connected by frequency converter 2 with traction machine 4 (frequency converter 2 connects with the terminal box of traction machine 4), so that real
Now to the control of frequency converter 2, automatic voltage regulator 3, traction machine 4, brake 5 and encoder 6；Wherein, the brake is block formula
Brake or drum brake, the encoder are incremental encoder, and the brake and traction machine are in having completed whole
The state that machine is installed and debugging is completed.
As shown in Fig. 2 the host computer 1 can set Program Appliance program, it includes the inspection of automatic voltage regulator current status
Survey module 101, inverter current state detection module 102, encoder pulse number state detection module 103, automatic voltage regulator control
Molding block 104, encoder pulse number monitoring modular 105, frequency converter outputs state detection module 106 and automatic voltage regulator stop
Control module 107, the concrete function of modules is as follows：
The automatic voltage regulator current status detection module 101, in the system incipient stage, detecting automatic voltage regulator
Electric current whether without output, if so, then judge brake be in band-type brake state, if it is not, then sending fault cues；
The inverter current state detection module 102, for when brake is in band-type brake state, detecting frequency converter
Whether electric current is without output, if so, judging that traction machine is in off working state, if it is not, then sending fault cues；
The encoder pulse number state detection module 103, for when traction machine is in off working state, detection to be encoded
Whether the umber of pulse of device is unchanged, if so, control frequency converter constant current output, makes traction machine by constant low-speed running, if it is not, then sending out
It is out of order prompting；
The automatic voltage regulator control module 104, for when traction machine is in locked rotor condition, control automatic voltage regulator to be pressed
Setting value pressure regulation, makes brake declutch；
The encoder pulse number monitoring modular 105, the change for monitoring encoder pulse number, when encoder pulse number
When reaching setting value, control automatic voltage regulator keeps constant pressure, brake block is entered mill lock state, i.e. brake shoe and enters with traction machine
Row break-in；
Frequency converter outputs state detection module 106, for when brake mill lock reaches setting time, detection frequency converter to be
It is no to stop output, if so, judging that traction machine stops operating, if it is not, then sending fault cues；
Automatic voltage regulator stops control module 107, for when traction machine stops operating, control automatic voltage regulator to stop defeated
Go out, brake is fallen lock.
Embodiment 2：
In the present embodiment, brake and traction machine are in having completed the state of whole machine installation and debugging completion.
As shown in figure 3, present embodiments providing a kind of method for realizing elevator machine brake precision controlling, this method
Applied to host computer, comprise the following steps：
S1, in the system incipient stage, detect automatic voltage regulator electric current whether without output, if so, then judging brake
In band-type brake state, into step S2, if it is not, then sending fault cues, and terminate the operation of this secondary program；
Whether S2, the electric current of detection frequency converter are without output, if so, judging that traction machine is in off working state, into step
S3, if it is not, then sending fault cues, and terminates the operation of this secondary program；
S3, detect whether the umber of pulse of encoder is unchanged, if so, into step S4, if it is not, fault cues are then sent,
And terminate the operation of this secondary program；
S4, control frequency converter constant current output, make traction machine be operated by constant low speed r, the upper limit of output current of frequency converter is
Maximum current when traction machine is operated by constant low speed r, now because brake does not declutch, traction machine is in stall shape
State, into step S5；
S5, control automatic voltage regulator press setting value pressure regulation, make brake coil obtain it is electric slowly declutch, into step S6；
S6, the change for monitoring encoder pulse number, if encoder pulse number reaches setting value, illustrate that brake is in and drag
The critical condition of lock, starts to drag lock, into step S7；Otherwise, return to step S5；Wherein, because encoder encodes for incremental
Device, the setting value can be calculated using following formula：
X=y*r*0.8
Wherein, x is setting value, and y is the increment that encoder turns around, and r is the rotating speed of traction machine.
S7, control automatic voltage regulator keep constant pressure, brake block is entered mill lock state, i.e. brake shoe and are carried out with traction machine
Break-in, in the present embodiment, the traction sheave of traction machine carry out break-in with the rotating speed for approaching 0.8r with brake shoe；
If S8, brake mill lock reach setting time, into step S9；Otherwise, return to step S7；
Whether S9, detection frequency converter stop output, if so, then judge that traction machine stops operating, into step S10, if it is not,
Fault cues are then sent, and terminate the operation of this secondary program；
S10, control automatic voltage regulator stop output, brake is fallen lock, terminate the operation of this secondary program；
In above-mentioned steps, brake shoe and the detailed description that traction machine carries out break-in are as follows：
After Frequency Converter Control traction machine presses constant low-speed running, control of the band-type brake coil originally embraced in automatic voltage regulator
Slowly declutched under system, the umber of pulse after encoder pulse number changes reaches setting value, and frequency converter output torque is constant
(explanation brake is in the critical condition for dragging lock, starts to drag lock), it is believed that the traction sheave of brake shoe and traction machine is in contact condition,
The mill lock of low speed (close to 0.8r) is now carried out, the protuberance on brake block surface can be made to be cut in the friction of low speed low temperature
It is flat, it is therefore prevented that the generation of sintering phenomenon, so as to realize the control of brake precision during production, improve the service life of brake.
Can one of ordinary skill in the art will appreciate that realizing that all or part of step in the various embodiments described above method is
To instruct the hardware of correlation to complete by program, corresponding program can be stored in a computer read/write memory medium
In, described storage medium, such as ROM/RAM, disk or CD.
In summary, present system and method have that cost is low, reliability is high, it is easy to operate, simple in construction the characteristics of,
And on existing working condition, brake precision can be improved directly on the traction machine for completing whole machine installation, without
Specially design other tooling devices and precision processing is carried out to brake, it is easy to install and debug, can be widely applied to brake
In production.
It is described above, it is only patent preferred embodiment of the present invention, but the protection domain of patent of the present invention is not limited to
This, any one skilled in the art is in the scope disclosed in patent of the present invention, according to the skill of patent of the present invention
Art scheme and its inventive concept are subject to equivalent substitution or change, belong to the protection domain of patent of the present invention.
Claims (5)
1. realize the system of elevator machine brake precision controlling, it is characterised in that：The system include host computer, it is described on
Position machine is connected with encoder, and is connected by automatic voltage regulator with brake, and is connected by frequency converter with traction machine；It is described
Host computer includes：
Automatic voltage regulator current status detection module, in the system incipient stage, detect automatic voltage regulator electric current whether
Without output, if so, then judging that brake is in band-type brake state, if it is not, then sending fault cues；
Inverter current state detection module, for when brake be in band-type brake state when, detect frequency converter electric current whether without
Output, if so, judging that traction machine is in off working state, if it is not, then sending fault cues；
Encoder pulse number state detection module, for when traction machine is in off working state, detecting the umber of pulse of encoder
It is whether unchanged, if so, control frequency converter constant current output, makes traction machine by constant low-speed running, is carried if it is not, then sending failure
Show；
Automatic voltage regulator control module, for when traction machine is in locked rotor condition, controlling automatic voltage regulator to press setting value pressure regulation,
Brake is set to declutch；
Encoder pulse number monitoring modular, the change for monitoring encoder pulse number, when encoder pulse number reaches setting value
When, control automatic voltage regulator keeps constant pressure, brake block is entered mill lock state, i.e. brake shoe and carries out break-in with traction machine；
Frequency converter outputs state detection module, for when brake mill lock reaches setting time, whether detection frequency converter to stop
Output, if so, judging that traction machine stops operating, if it is not, then sending fault cues；
Automatic voltage regulator stops control module, for when traction machine stops operating, control automatic voltage regulator to stop output, makes system
Dynamic device falls lock.
2. the system according to claim 1 for realizing elevator machine brake precision controlling, it is characterised in that：The system
Dynamic device is block brake or drum brake.
3. the system according to claim 1 for realizing elevator machine brake precision controlling, it is characterised in that：It is described to compile
Code device is incremental encoder.
4. realize the method for elevator machine brake precision controlling, it is characterised in that：Methods described is applied in host computer, institute
State host computer with encoder to be connected, and be connected by automatic voltage regulator with brake, and be connected by frequency converter with traction machine,
Methods described includes：
Whether the host computer detects the electric current of automatic voltage regulator without output in the system incipient stage, if so, then judging braking
Device is in band-type brake state, if it is not, then sending fault cues；
When brake is in band-type brake state, whether the electric current of the upper computer detection frequency converter is without output, if so, judging traction
Machine is in off working state, if it is not, then sending fault cues；
When traction machine is in off working state, whether the umber of pulse of the upper computer detection encoder is unchanged, if so, control
Frequency converter constant current output, makes traction machine by constant low-speed running, if it is not, then sending fault cues；
When traction machine is in locked rotor condition, the PC control automatic voltage regulator presses setting value pressure regulation, brake is declutched；
The host computer monitors the change of encoder pulse number, when encoder pulse number reaches setting value, controls automatic Regulation
Device keeps constant pressure, brake block is entered mill lock state, i.e. brake shoe and carries out break-in with traction machine；
When brake mill lock reaches setting time, whether the upper computer detection frequency converter stops output, if so, judging traction
Machine stops operating, if it is not, then sending fault cues；
When traction machine stops operating, the PC control automatic voltage regulator stops output, brake is fallen lock.
5. the method according to claim 4 for realizing elevator machine brake precision controlling, it is characterised in that：It is described to compile
Code device uses incremental encoder, and the encoder pulse number reaches that the setting value in setting value is calculated using following formula：
X=y*r*0.8
Wherein, x is setting value, and y is the increment that encoder turns around, and r is the rotating speed of traction machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510571743.9A CN105152065B (en) | 2015-09-08 | 2015-09-08 | Realize the system and method for elevator machine brake precision controlling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510571743.9A CN105152065B (en) | 2015-09-08 | 2015-09-08 | Realize the system and method for elevator machine brake precision controlling |
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| Publication Number | Publication Date |
|---|---|
| CN105152065A CN105152065A (en) | 2015-12-16 |
| CN105152065B true CN105152065B (en) | 2017-08-25 |
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|---|---|---|---|
| CN201510571743.9A Active CN105152065B (en) | 2015-09-08 | 2015-09-08 | Realize the system and method for elevator machine brake precision controlling |
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| CN109422148B (en) * | 2017-09-04 | 2021-10-22 | 株式会社安川电机 | Elevator system and running-in operation control method of elevator brake device |
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| EP1915311A2 (en) * | 2005-08-19 | 2008-04-30 | Kone Corporation | Elevator system |
| CN201129386Y (en) * | 2007-12-04 | 2008-10-08 | 吴国新 | Hoister brake-shoe performance synthesis detector |
| CN104401834A (en) * | 2014-11-21 | 2015-03-11 | 申龙电梯股份有限公司 | Detection device and method for brake force of elevator traction machine |
| CN204251115U (en) * | 2014-11-21 | 2015-04-08 | 申龙电梯股份有限公司 | Elevator traction machine band-type brake force checking device |
| CN204324627U (en) * | 2014-10-20 | 2015-05-13 | 上海新时达电气股份有限公司 | A kind of elevator internal contracting brake performance detecting system |
| CN204416828U (en) * | 2015-02-05 | 2015-06-24 | 宁波申菱电梯配件有限公司 | A kind of drum-type towing machine band-type brake monitoring device |
-
2015
- 2015-09-08 CN CN201510571743.9A patent/CN105152065B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1915311A2 (en) * | 2005-08-19 | 2008-04-30 | Kone Corporation | Elevator system |
| CN201129386Y (en) * | 2007-12-04 | 2008-10-08 | 吴国新 | Hoister brake-shoe performance synthesis detector |
| CN204324627U (en) * | 2014-10-20 | 2015-05-13 | 上海新时达电气股份有限公司 | A kind of elevator internal contracting brake performance detecting system |
| CN104401834A (en) * | 2014-11-21 | 2015-03-11 | 申龙电梯股份有限公司 | Detection device and method for brake force of elevator traction machine |
| CN204251115U (en) * | 2014-11-21 | 2015-04-08 | 申龙电梯股份有限公司 | Elevator traction machine band-type brake force checking device |
| CN204416828U (en) * | 2015-02-05 | 2015-06-24 | 宁波申菱电梯配件有限公司 | A kind of drum-type towing machine band-type brake monitoring device |
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| CN105152065A (en) | 2015-12-16 |
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