CN107833784A - A kind of control mechanism of vacuum circuit breaker control circuit - Google Patents
A kind of control mechanism of vacuum circuit breaker control circuit Download PDFInfo
- Publication number
- CN107833784A CN107833784A CN201711082857.2A CN201711082857A CN107833784A CN 107833784 A CN107833784 A CN 107833784A CN 201711082857 A CN201711082857 A CN 201711082857A CN 107833784 A CN107833784 A CN 107833784A
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- CN
- China
- Prior art keywords
- module
- circuit
- control
- controlled motor
- circuit breaker
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/666—Operating arrangements
Landscapes
- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Abstract
A kind of control circuit of control mechanism of vacuum circuit breaker of offer of the present invention, including power supply module, rectification module, capacitor bank, power inverting module, voltage acquisition module, isolated drive circuit module, current detection module, control unit, communication module, sensor assembly, level switch module, controlled motor module and host computer, can be provided for the action of control mechanism of vacuum circuit breaker at a high speed, stably, the high control of accuracy.
Description
Technical field
The invention belongs to circuit breaker control circuit field, more particularly to a kind of vacuum circuit breaker permanent magnet motor operating mechanism
Control circuit.
Background technology
Vacuum circuit breaker is most important control and protection equipment in power system, plays control operating circuit and cuts off short
The effect of road current protection system.Operating mechanism is the important mechanism for controlling vacuum circuit breaker to carry out separating brake and closing operation, very
The action of empty breaker is controlled by operating mechanism, only operating mechanism and vacuum circuit breaker no-float, could significantly
Degree adds the reliability and controllability of vacuum circuit breaker.At present more commonly used operating mechanism mainly have electromagnetic operating mechanism,
Spring operating mechanism, pneumatic operating mechanism and hydraulic actuating mechanism etc..Permanent magnet motor controller is permanent magnet motor operating mechanism
Core, its performance directly affect the exclusion effect of failure and the reliably working of breaker, and in actual applications, permanent magnetism
Electric operating mechanism can be influenceed by factors such as thunder and lightning, high-tension line, temperature, humidity, therefore, set a kind of control electricity
Road, the operating mechanism of vacuum circuit breaker is had the advantages that speed is fast, flexible movements are convenient and reliability is high has important show
Sincere justice.
The content of the invention
A kind of control circuit of control mechanism of vacuum circuit breaker of offer of the present invention, including power supply module, rectification module, electricity
Container group, power inverting module, voltage acquisition module, isolated drive circuit module, current detection module, control unit, communication
Module, sensor assembly, level switch module, controlled motor module and host computer.
Capacitor bank includes four groups of electrochemical capacitors being connected in parallel, and there is charge circuit capacitor bank is charged, also
Capacitor bank is discharged with discharge loop, the power supply module is connected with the rectification module, and the rectification module connects
The charge circuit is connected to, the power inverting module is connected to the isolated drive circuit module, described control unit and institute
State isolated drive circuit module and be connected and control it, control unit is connected to communication module, power inverting module respectively and
Controlled motor module and motor module are connected, and sensor assembly is connected to controlled motor module with monitoring collection controlled motor mould
The relevant parameter of block, current detection module detect the current parameters of controlled motor module, and transfer data to control unit, electricity
The voltage parameter in acquisition module measuring circuit is pressed, and transfers data to control unit, controlled motor module and vacuum circuit breaker
Device operating mechanism is connected, and realizes the folding of vacuum circuit breaker, and control unit is communicated by communication module and host computer.
Control circuit in the present invention obtains the parameter of controlled motor module in real time using sensor assembly, and data are passed
Control unit is given, control unit analyzes and processes to data, realizes the real-time control to controlled motor unit rotor；Have
Isolation protective circuit, the hi-lo circuit short circuit between power circuit and control circuit can be prevented, control and drive signal are led to
Cross isolator to be isolated, it is therefore prevented that mutual interference, realize the signal transmission between different voltages.
The control circuit of the present invention is also equipped with communication function, can coordinate breaker compositing area network, by monitoring
The heart host computer interface control breaker divide-shut brake, while in monitoring network breaker operation conditions.
Brief description of the drawings
The control circuit connection figure of Fig. 1 control mechanism of vacuum circuit breaker.
Specific embodiment
Fig. 1 is the circuit connection diagram of the control circuit of the control mechanism of vacuum circuit breaker of the present invention, and the control circuit has
The three-phase full wave rectifier circuit being made up of VD1-VD6, power supply module supply alternating current to it, rectified acquisition DC voltage, and the
One resistance R1 and capacitor bank form charge circuit, realize the charging to capacitor bank, second resistance R2 and switch S1 and electric capacity
Device group forms discharge loop, realizes the electric discharge to capacitor bank, sets voltage acquisition unit in circuit, in real-time observation circuit
Voltage signal, real-time monitoring circuit state, ensure circuit normally run；Six IGBT switching tubes and each switching tube
Voltage-regulator diode in parallel forms three phase full bridge power inversion circuit between collector and emitter, and the grid of six switching tubes is equal
Isolated drive circuit module is connected to, so as to which isolated drive circuit is realized to its adjustment control, different frequencies can be exported
Rate, the square wave voltage signal of amplitude, so as to which regulation motor rotates.
The integrated IGBT drive circuit chip M57959L of isolated drive circuit module selection, the chip by photoelectric coupling circuit,
Interface circuit, short-circuit detecting circuit, reset circuit, gate turn-off and several parts of driving stage are formed, real using photoelectric coupling method
The electrical isolation for now inputting and exporting.
Sensor assembly selection is Hall sensor, and Hall sensor is connected and installed in operating mechanism controlled motor,
The positional information of monitoring rotor in real time, when motor rotates, motor corner can change therewith, the parameter of Hall sensor collection
Change therewith, the data collected obtain by passing to control unit, control unit after level conversion unit according to real-time
Signal be adjusted, by isolated drive circuit, the adjustment control to power inverting module is realized, also with current detecting
Module, current detection module includes temperature sensor, monitors the temperature of IGBT switching tubes in real time by temperature sensor, and transmits
To control unit, ensure the normal operation of control circuit.
Embedded scm may be selected in control unit, and Serial Communication Mode may be selected in communication module, in addition, also having upper
Machine module, operating personnel can realize the separating brake to live vacuum circuit breaker, the operation closed a floodgate in host computer, while can be by upper
Machine monitors the operation conditions of vacuum circuit breaker in real time.
The present invention monitors the real-time parameter in motor operation and circuit by sensor in real time, by control unit to prison
The data measured are analyzed and processed, and are adjusted in real time, so as to ensure that vacuum circuit breaker permanent-magnet operating mechanism action
It is reliable and stable, effectively increase the service life of vacuum circuit breaker.
Only illustrate technical scheme rather than its limitations with reference to above-described embodiment.The ordinary skill people of art
Member it is to be understood that those skilled in the art can modify or equivalent substitution to the embodiment of the present invention, but
These modifications or change are being applied within pending claims.
Claims (4)
- A kind of 1. control mechanism of vacuum circuit breaker control circuit, it is characterised in that：Including power supply module, rectification module, capacitor Group, power inverting module, voltage acquisition module, isolated drive circuit module, current detection module, control unit, communication module, Sensor assembly, level switch module, controlled motor module and host computer；Capacitor bank includes four groups of electrolysis being connected in parallel Electric capacity, there is charge circuit capacitor bank is charged, also capacitor bank is discharged with discharge loop, the power supply Module is connected with the rectification module, and the rectification module is connected to the charge circuit, and the power inverting module is connected to The isolated drive circuit module, described control unit is connected with the isolated drive circuit module to be controlled it, control Unit is connected to communication module, and power inverting module is connected with controlled motor module and motor module respectively, sensor assembly Controlled motor module is connected to the relevant parameter of monitoring collection controlled motor module, current detection module detection controlled motor mould Current parameters of block, and transfer data to control unit, the voltage parameter in voltage acquisition module measuring circuit, and by data Control unit is transferred to, controlled motor module is connected with control mechanism of vacuum circuit breaker, realizes the folding of vacuum circuit breaker, control Unit is communicated by communication module and host computer.
- 2. control mechanism of vacuum circuit breaker control circuit as claimed in claim 1, it is characterised in that：Power inverting mould therein Block is three phase full bridge power inversion circuit, and the circuit includes six IGBT switching tubes V1-V6, six diode VD7-VD12, Each diode is parallel between the collector and emitter of a corresponding switching tube, and each phase input is connected to isolation and driven Dynamic circuit module, output end are connected to controlled motor module, and the DC voltage inversion after rectification is supplied for three-phase square wave voltage Controlled motor winding should be given.
- 3. control mechanism of vacuum circuit breaker control circuit as claimed in claim 1, it is characterised in that：Isolation drive electricity therein Road module is integrated IGBT drive circuit chip.
- 4. control mechanism of vacuum circuit breaker control circuit as claimed in claim 1, it is characterised in that：Described sensor assembly Including Hall sensor, Hall sensor is connected with motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711082857.2A CN107833784A (en) | 2017-11-07 | 2017-11-07 | A kind of control mechanism of vacuum circuit breaker control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711082857.2A CN107833784A (en) | 2017-11-07 | 2017-11-07 | A kind of control mechanism of vacuum circuit breaker control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107833784A true CN107833784A (en) | 2018-03-23 |
Family
ID=61654666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711082857.2A Pending CN107833784A (en) | 2017-11-07 | 2017-11-07 | A kind of control mechanism of vacuum circuit breaker control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107833784A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110993451A (en) * | 2019-12-20 | 2020-04-10 | 南京亚派科技股份有限公司 | Intelligent circuit breaker |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1902894A2 (en) * | 2006-09-21 | 2008-03-26 | Alstom Transport S.A. | Railway vehicle equipped with contactors, method of controlling and using these contactors |
| CN201185405Y (en) * | 2008-04-17 | 2009-01-21 | 沈阳工业大学 | Digital servo control apparatus of electric machine operation mechanism for high-voltage circuit-breaker |
| CN201444248U (en) * | 2009-03-31 | 2010-04-28 | 沈阳工业大学 | High-pressure switch equipment motor actuating mechanism universal servo control platform device |
| CN204332856U (en) * | 2014-11-24 | 2015-05-13 | 国家电网公司 | A kind of high-voltage breaker permanent magnet electric operating mechanism driving governor |
-
2017
- 2017-11-07 CN CN201711082857.2A patent/CN107833784A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1902894A2 (en) * | 2006-09-21 | 2008-03-26 | Alstom Transport S.A. | Railway vehicle equipped with contactors, method of controlling and using these contactors |
| CN201185405Y (en) * | 2008-04-17 | 2009-01-21 | 沈阳工业大学 | Digital servo control apparatus of electric machine operation mechanism for high-voltage circuit-breaker |
| CN201444248U (en) * | 2009-03-31 | 2010-04-28 | 沈阳工业大学 | High-pressure switch equipment motor actuating mechanism universal servo control platform device |
| CN204332856U (en) * | 2014-11-24 | 2015-05-13 | 国家电网公司 | A kind of high-voltage breaker permanent magnet electric operating mechanism driving governor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110993451A (en) * | 2019-12-20 | 2020-04-10 | 南京亚派科技股份有限公司 | Intelligent circuit breaker |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180323 |