CN206313696U - A kind of general motor control device based on double-closed-loop control - Google Patents
A kind of general motor control device based on double-closed-loop control Download PDFInfo
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- CN206313696U CN206313696U CN201621383793.0U CN201621383793U CN206313696U CN 206313696 U CN206313696 U CN 206313696U CN 201621383793 U CN201621383793 U CN 201621383793U CN 206313696 U CN206313696 U CN 206313696U
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 28
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 28
- 239000010703 silicon Substances 0.000 claims abstract description 28
- 238000004134 energy conservation Methods 0.000 claims abstract description 15
- 230000008878 coupling Effects 0.000 claims description 17
- 238000010168 coupling process Methods 0.000 claims description 17
- 238000005859 coupling reaction Methods 0.000 claims description 17
- 238000002955 isolation Methods 0.000 claims description 17
- 230000003287 optical effect Effects 0.000 claims description 15
- 230000005611 electricity Effects 0.000 claims description 6
- 230000001360 synchronised effect Effects 0.000 claims description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005242 forging Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008450 motivation Effects 0.000 description 1
- 230000001095 motoneuron effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Control Of Ac Motors In General (AREA)
Abstract
The utility model discloses a kind of general motor control device based on double-closed-loop control, including energy-conservation and not energy-saving hand switch, three-phase ac contactor, ammeter, voltmeter, asynchronous motor, threephase current transformer, silicon controlled component, blower fan, motor core control panel, panel control circuit, three phase mains；The present apparatus selects electric current and power factor as controling parameter, builds double-closed-loop control structure, introduces fuzzy self-turning PID control algorithm, dynamic adjustment input voltage, realize to the non-linear quick tracking of bearing power with match, so as to reduce reactive power, reach the purpose of energy-conservation.
Description
Technical field
The utility model is related to a kind of soft starter for motor based on double-closed-loop control, energy-conservation and integrated protection to be controlled in one
Comprehensive intelligent control device, to realize electrical machine energy-saving control have very important significance.
Background technology
Asynchronous motor is the most widely used power set of industrial circle, is also main power consumption person.Become carrying
Capable motor（Rolling mill that such as metallurgical, forging, machining, oil field field use, friction press, forging hammer, blower fan, cut
The equipment such as trigger, oil-field oil pumper）, because its efficiency and power factor are relatively low, there is very big waste of energy.Traditional frequency conversion,
The power-saving technology such as reactive-load compensation and fixed pressure regulation cannot solve the tracking control problem of variable load, therefore in order to improve asynchronous machine
Operating efficiency, the utility model present apparatus, the utility model has a functions such as variable load energy-conservation, soft start and integrated protection.
The utility model selects electric current and power factor as controling parameter, builds double-closed-loop control structure, introduces fuzzy
Self-regulated PID control algorithm, dynamic adjustment input voltage, realize to the non-linear quick tracking of bearing power with match so that
Reactive power is reduced, the purpose of energy-conservation is reached.
Utility model content
Technical problem to be solved in the utility model is, how using electric current and power factor double-closed-loop control technology,
It is quick to suppress during for variable load by fuzzy self-turning PID control algorithm using power factor combination electric current as controling parameter
Current fluctuation, realizes the stability contorting of current value, while being born with the contrast conting motor of measured value using the setting value of electric current
The size of load, realizes the identification of motor load and from motion tracking, by controlling the angle of flow of IGCT, dynamic adjustment motor
Operating voltage, realize bearing power Rapid matching, reach the purpose of energy-conservation.
In order to solve the above technical problems, the utility model provides a kind of general motor control based on double-closed-loop control
Device, including energy-conservation and not energy-saving hand switch, three-phase ac contactor, ammeter, voltmeter, asynchronous motor, three-phase electricity
Current transformer, silicon controlled component, blower fan, motor core control panel, panel control circuit, three phase mains；The output of three phase mains
End is connected with silicon controlled component power input；Silicon controlled component power output end is connected with the power end of asynchronous motor, and
Threephase current transformer is serially connected in respectively in silicon controlled component connected wiring corresponding with asynchronous motor；Threephase current transformer
Output end be connected with the current sensor corresponding terminal of motor core control panel, and by the output of a wherein phase current mutual inductor
End is connected with ammeter input again；The input of voltmeter is connected with the phase power end of motor one；Three-phase ac contactor it is defeated
Go out the control end of end and silicon controlled component control end respectively with motor core control panel to be connected；The power end of three-phase ac contactor
It is connected with silicon controlled component power input again after with energy-conservation and energy-saving hand switch is not connected in series；Panel control circuit it is defeated
Enter end to be connected with motor core control panel control interface；The input of blower fan is connected with silicon controlled component power output end.
Preferably, motor core control panel include synchronous signal acquisition circuit, input optical coupling isolation circuit, output optocoupler every
From circuit, master microprocessor circuit, support microprocessor circuit, controllable silicon drive circuit, power-factor angle Acquisition Circuit, electric current
Acquisition Circuit, watchdog circuit, long-range starting or stopping control circuit, failure output circuit, normally run output circuit；Synchronizing signal is adopted
Collector, input optical coupling isolation circuit, power-factor angle Acquisition Circuit, current collection circuit, the output end point of watchdog circuit
Corresponding I/O mouthfuls of other master microprocessor circuit is connected；The output end of long-range starting or stopping control circuit and input optical coupling isolation circuit
Input is connected；The corresponding I/ of the input difference master microprocessor circuit of controllable silicon drive circuit and output optical coupling isolation circuit
O mouthfuls of connection；The input of the output end difference failure output circuit and normal operation output circuit that export optical coupling isolation circuit connects
Connect；Support microprocessor circuit I/O mouthfuls of I/O mouthfuls of connection corresponding with master microprocessor circuit.
Preferably, panel control circuit includes key circuit, digital pipe display circuit, shift register, interface circuit；Press
The output end of key circuit is connected with shift register I/O mouthfuls；The input of digital pipe display circuit is with shift register I/O mouthfuls even
Connect；Interface circuit is connected with the Enable Pin of shift register.
Good effect of the present utility model is：（1）As a result of electric current and power factor double-closed-loop control, and mating die
Paste self-setting PID arithmetic, makes motor rapidly carry out bearing power tracking, and the response time for recognizing stabilization output from power is small
In 100ms, the energy saving requirement of the field variable load motors such as metallurgical, forging, machining can be met, make of the present utility model being applicable
Scope is wider；（2）Due to making output power of motor and bearing power accurate match using variable load tracking technique, motor effect is improve
Rate, power saving rate is up to 15-50%；（3）Compared with measured value using current setting value, calculate the size of motor load, realize electricity
The automatic identification of motivation load, makes the utility model be applied to the Energy Saving Control of 1-315KW asynchronous machines.（4）The utility model
The functions such as variable load step-down energy-conservation, soft start, electromotor integrated protection are integrated with, cost performance is high.
Brief description of the drawings
Fig. 1 is the general motor control device principle assumption diagram based on double-closed-loop control of embodiment 1；
Fig. 2 is the motor core control panel principle assumption diagram of embodiment 1；
Fig. 3 is the panel control circuit principle assumption diagram of embodiment 1.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of the utility model protection.
Fig. 1 is referred to, the utility model provides a kind of technical scheme：General motor control dress based on double-closed-loop control
Put, including energy-conservation and not energy-saving hand switch 1, three-phase ac contactor 2, ammeter 3, voltmeter 4, asynchronous motor 5, three-phase
Current transformer 6, silicon controlled component 7, blower fan 8, motor core control panel 9, panel control circuit 10, three phase mains 11；Three-phase
The output end of power supply 11 is connected with the power input of silicon controlled component 7；The power output end of silicon controlled component 7 and asynchronous motor 5
Power end connection, and threephase current transformer 6 is serially connected in silicon controlled component 7 is corresponding with asynchronous motor 5 to be connected respectively
On line；The output end of threephase current transformer 6 is connected with the current sensor corresponding terminal of motor core control panel 9, and by its
In the output end of a phase current mutual inductor 6 be connected with the input of ammeter 3 again；The input of voltmeter 4 and asynchronous motor 5 one
Phase power end is connected；The output end and the control end of silicon controlled component 7 of three-phase ac contactor 2 respectively with motor core control panel 9
Control end connection；The power end of three-phase ac contactor 2 after with energy-conservation and not, energy-saving hand switch 1 is connected in series again with it is controllable
The power input of silicon component 7 is connected；The input of panel control circuit 10 is connected with the control interface of motor core control panel 9；Wind
The input of machine 8 is connected with the power output end of silicon controlled component 7.
As shown in Figure 2, motor core control panel 9 include synchronous signal acquisition circuit 9a, input optical coupling isolation circuit 9b,
Output optical coupling isolation circuit 9c, master microprocessor circuit 9d, support microprocessor circuit 9e, controllable silicon drive circuit 9f, power
Factor angle Acquisition Circuit 9g, current collection circuit 9h, watchdog circuit 9i, long-range starting or stopping control circuit 9j, failure output circuit
9k, normal operation output circuit 9l；Synchronous signal acquisition circuit 9a, input optical coupling isolation circuit 9b, power-factor angle collection electricity
Road 9c, current collection circuit 9h, the corresponding I/O mouthfuls of connection of output end difference master microprocessor circuit 9d of watchdog circuit 9i；
The output end of long-range starting or stopping control circuit is connected with the input of input optical coupling isolation circuit 9b；Controllable silicon drive circuit 9f and defeated
Go out the corresponding I/O mouthfuls of connection of input difference master microprocessor circuit 9d of optical coupling isolation circuit 9c；Output optical coupling isolation circuit
The input connection of the output end difference failure output circuit 9k of 9c and normal operation output circuit 9l；Support microprocessor circuit
9e I/O mouthfuls of I/O mouthfuls of connection corresponding with master microprocessor circuit 9d.
As shown in Figure 3, panel control circuit 10 includes key circuit 10a, digital pipe display circuit 10b, shift LD
Device 10c, interface circuit 10d；The output end of key circuit 10a is connected for I/O mouthfuls with shift register 10c；Digital pipe display circuit
The input of 10b is connected for I/O mouthfuls with shift register 10c；Interface circuit 10d is connected with the Enable Pin of shift register 10c.
Using electric current and power factor double-closed-loop control technology, using power factor combination electric current as controling parameter, pass through
Fuzzy self-turning PID control algorithm, during for variable load, quickly suppresses current fluctuation, the stability contorting of current value is realized, using electricity
The setting value of stream and the size of the contrast conting motor load of measured value, realize the identification of motor load and from motion tracking,
By controlling the angle of flow of IGCT, the operating voltage of dynamic adjustment motor realizes bearing power Rapid matching, reaches energy-conservation
Purpose.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out various changes in the case where principle of the present utility model and spirit is not departed from, repaiies
Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (3)
1. a kind of general motor control device based on double-closed-loop control, it is characterised in that：It is manual including energy-conservation and non-energy-conservation
Switch, three-phase ac contactor, ammeter, voltmeter, asynchronous motor, threephase current transformer, silicon controlled component, blower fan,
Motor core control panel, panel control circuit, three phase mains；The output end of three phase mains connects with silicon controlled component power input
Connect；Silicon controlled component power output end is connected with the power end of asynchronous motor, and threephase current transformer is serially connected in respectively
Silicon controlled component is corresponding with asynchronous motor to be connected in wiring；The output end of threephase current transformer and motor core control panel
Current sensor corresponding terminal is connected, and the output end of a wherein phase current mutual inductor is connected with ammeter input again；Electricity
The input of table is pressed to be connected with the phase power end of motor one；Output end and silicon controlled component the control end difference of three-phase ac contactor
Control end with motor core control panel is connected；The power end of three-phase ac contactor with energy-conservation and not, connect by energy-saving hand switch
It is connected with silicon controlled component power input again after connection；The input of panel control circuit connects with the control of motor core control panel
Mouth connection；The input of blower fan is connected with silicon controlled component power output end.
2. a kind of general motor control device based on double-closed-loop control according to claim 1, it is characterised in that：Institute
Stating motor core control panel includes synchronous signal acquisition circuit, input optical coupling isolation circuit, output optical coupling isolation circuit, the micro- place of master
Reason device circuit, support microprocessor circuit, controllable silicon drive circuit, power-factor angle Acquisition Circuit, current collection circuit, guard the gate
Dog circuit, long-range starting or stopping control circuit, failure output circuit, normally run output circuit；Synchronous signal acquisition circuit, input light
Coupling isolation circuit, power-factor angle Acquisition Circuit, current collection circuit, the output end difference master microprocessor electricity of watchdog circuit
The corresponding I/O mouthfuls of connection in road；The output end of long-range starting or stopping control circuit is connected with the input of input optical coupling isolation circuit；It is controllable
The corresponding I/O mouthfuls of connection of the input difference master microprocessor circuit of silicon drive circuit and output optical coupling isolation circuit；Output light
The input connection of the output end difference failure output circuit of coupling isolation circuit and normal operation output circuit；Support microprocessor
Circuit I/O mouthfuls of I/O mouthfuls of connection corresponding with master microprocessor circuit.
3. a kind of general motor control device based on double-closed-loop control according to claim 1, it is characterised in that：Institute
Stating panel control circuit includes key circuit, digital pipe display circuit, shift register, interface circuit；The output of key circuit
End is connected with shift register I/O mouthfuls；The input of digital pipe display circuit is connected with shift register I/O mouthfuls；Interface circuit
It is connected with the Enable Pin of shift register.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621383793.0U CN206313696U (en) | 2016-12-16 | 2016-12-16 | A kind of general motor control device based on double-closed-loop control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621383793.0U CN206313696U (en) | 2016-12-16 | 2016-12-16 | A kind of general motor control device based on double-closed-loop control |
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| Publication Number | Publication Date |
|---|---|
| CN206313696U true CN206313696U (en) | 2017-07-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621383793.0U Expired - Fee Related CN206313696U (en) | 2016-12-16 | 2016-12-16 | A kind of general motor control device based on double-closed-loop control |
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| CN (1) | CN206313696U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107154768A (en) * | 2016-03-04 | 2017-09-12 | 南通威尔电机有限公司 | General motor control device based on double-closed-loop control |
-
2016
- 2016-12-16 CN CN201621383793.0U patent/CN206313696U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107154768A (en) * | 2016-03-04 | 2017-09-12 | 南通威尔电机有限公司 | General motor control device based on double-closed-loop control |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170707 |
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| CF01 | Termination of patent right due to non-payment of annual fee |