CN2824273Y - Double coil permanent magnetic mechanism driver for vacuum circuit breaker - Google Patents
Double coil permanent magnetic mechanism driver for vacuum circuit breaker Download PDFInfo
- Publication number
- CN2824273Y CN2824273Y CN 200520076283 CN200520076283U CN2824273Y CN 2824273 Y CN2824273 Y CN 2824273Y CN 200520076283 CN200520076283 CN 200520076283 CN 200520076283 U CN200520076283 U CN 200520076283U CN 2824273 Y CN2824273 Y CN 2824273Y
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- mechanism driver
- coil
- permanent magnetic
- magnetic mechanism
- vacuum circuit
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Abstract
The utility model relates to a double coil permanent magnetic mechanism driver for a vacuum circuit breaker, which has the technical scheme that the double coil permanent magnetic mechanism driver comprises a microprocessor, a photoelectric coupler and a bridge type driving loop, wherein the signal output end of the microprocessor is connected with the signal input end of the bridge type driving loop through the photoelectric coupler. The utility model is characterized in that the bridge type driving loop is composed of a coil, an insulated gate bipolar transistor, a capacitor and a power supply module, wherein the coil and a high power transistor are connected in series to form two symmetrical half bridges, and are together connected with a branch circuit formed by the parallel connection of the capacitor and the power supply module so as to form a bridge type loop. The utility model has the advantages that discharging time is short, discharging current is small, and accurate time control can be realized; the double coil permanent magnetic mechanism driver has the functions of primary output current limitation, secondary output short circuit protection and wide power supply input; systematic programming function can be realized, automatic opening protection function for power off is provided, and the safety of the product is high; the double coil permanent magnetic mechanism driver has the characteristics of wide adaptability, AD/DC dual purpose, simple whole structure, compact structure and low cost.
Description
Technical field
The utility model relates to the vacuum high-pressure circuit breaker, more particularly relates to a kind of vacuum circuit-breaker twin coil permanent magnet mechanism driver.
Background technology
Existing vacuum high-pressure breaker permanent-magnet mechanism mainly contains unicoil and two kinds of structures of twin coil.In electric power system, require the drive unit AC and DC of circuit breaker general, to adapt to complicated field condition.In twin coil permanent magnet mechanism driver in the past, adopt bridge type return to carry out branch, close a floodgate and control, but bridge type return needs four IGBT, its drive circuit more complicated, and cost is higher, and charge circuit adopts resistance current-limiting charge mode mostly, and charging current is very big.The general cement resistor of big resistance that adopts comes current limliting, but this resistance is subjected to heavy current impact for a long time, and is very fragile, thereby circuit breaks down easily.
Summary of the invention
The purpose of this utility model is at above-mentioned the deficiencies in the prior art, design a kind of discharge time short, discharging current is little, constant voltage charge, have a power cut-off automatic brake separating defencive function vacuum circuit-breaker with twin coil permanent magnet mechanism driver.Its technical scheme is as follows:
Comprise that microprocessor, photoelectrical coupler, bridge-type drive the loop, the signal output part of microprocessor connects the signal input part that bridge-type drives the loop by photoelectrical coupler, it is characterized in that described bridge-type drives the loop and is made up of coil, igbt, electric capacity and power module, described coil and high power transistor are connected in series the half-bridge of two symmetries that constitute and are connected by electric capacity and power module and connect the branch road that constitutes jointly and form a bridge type return.
The coil that constitutes described two symmetrical half bridges is respectively switching winding and closing coil.
Described power module is the alterating and direct current source module.
Described power module is the ac-dc dual power supply module.
Described electric capacity is electrochemical capacitor.
The beneficial effects of the utility model are: 1) igbt is adopted in the on/off switch loop, and the charging interval is short, and operating current is little, can realize precise time control; 2) adopt master control chip CPLD, can be implemented in system's programing function; 3) adopt power module constant current charge mode, have output current limiting, secondary output short circuit protection and wide power input function one time; 4) wide adaptability can realize that AC and DC is dual-purpose; 5) be provided with power cut-off automatic brake separating defencive function, improved security of products; 6) the driver overall structure is simple, compact, and cost is low.
Description of drawings
Fig. 1 is the structural representation of the utility model one embodiment
Embodiment
Below in conjunction with drawings and Examples the utility model is described further.
Contrast Fig. 1, the signal two output interface I/O of CPU connect the input of two photoelectrical couplers respectively, the output of two photoelectrical coupler U1, U2 connects the gate pole of igbt T1, T2 respectively, the drain electrode of T1, T2 connects switching winding L1 and closing coil L2 respectively, form the brachium pontis of two symmetrical half bridges, they are connected respectively with by capacitor C, power module E and the branch road that connects, form bridge type return.Constitute sub-gate circuit of forming by igbt T1, switching winding L1, capacitor C and power module E 1 and the closing circuit of forming by igbt T2, closing coil L2, capacitor C and power module E 2 simultaneously.
In the present embodiment, CPU adopts CPLD type main control chip, and photoelectrical coupler U1, U2 adopt the TLP521 type, and igbt T1, T2 adopt IGBT type pipe, and capacitor C adopts 82000 μ F/100V electrochemical capacitors, and power module E is a 100W alterating and direct current source module.
The input of CPU is after receiving the divide-shut brake instruction, the command information that receives is handled, judge circuit breaker position earlier, send separating brake or switching signal then, couple a signal to the gate pole of igbt T1 or T2 through the I/O of CPU output port by photoelectrical coupler U1, U2.When the gate pole of T1 is coupled in separating brake instruction, the T1 conducting, the sub-gate circuit conducting realizes separating brake and charges to electric capacity.In like manner, when combined floodgate refers to be coupled to the gate pole of T2, the T2 conducting, the closing circuit conducting realizes closing a floodgate and charging to electric capacity.Behind power cut-off, control circuit can carry out the circuit breaker automatic brake separating with the electric energy input of energy storage capacitor, reaches the function of protection back reserve line.
Power module E can export 5V, 12V, 100V voltage, and wherein 5V voltage provides the power supply to CPU, and 12V provides the power supply to photoelectrical coupler U1, U2, and 100V supplies with the capacitor C charging.
Claims (4)
1, vacuum circuit-breaker twin coil permanent magnet mechanism driver, comprise that microprocessor, photoelectrical coupler, bridge-type drive the loop, the signal output part of microprocessor connects the signal input part that bridge-type drives the loop by photoelectrical coupler, it is characterized in that described bridge-type drives the loop and is made up of coil, igbt, electric capacity and power module, described coil and high power transistor are connected in series the half-bridge of two symmetries that constitute and are connected by electric capacity and power module and connect the branch road that constitutes jointly and form a bridge type return.
2, vacuum circuit-breaker according to claim 1 is characterized in that with twin coil permanent magnet mechanism driver the coil that constitutes described two symmetrical half bridges is respectively switching winding and closing coil.
3, vacuum circuit-breaker according to claim 1 is characterized in that with twin coil permanent magnet mechanism driver described power module is the ac-dc dual power supply module.
4, vacuum circuit-breaker according to claim 1 is characterized in that with twin coil permanent magnet mechanism driver described electric capacity is electrochemical capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520076283 CN2824273Y (en) | 2005-10-13 | 2005-10-13 | Double coil permanent magnetic mechanism driver for vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520076283 CN2824273Y (en) | 2005-10-13 | 2005-10-13 | Double coil permanent magnetic mechanism driver for vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2824273Y true CN2824273Y (en) | 2006-10-04 |
Family
ID=37033393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520076283 Expired - Fee Related CN2824273Y (en) | 2005-10-13 | 2005-10-13 | Double coil permanent magnetic mechanism driver for vacuum circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2824273Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101707167A (en) * | 2009-09-30 | 2010-05-12 | 湖北盛佳电器设备有限公司 | Circuit breaker with temperature detection function |
| CN102915878A (en) * | 2012-10-31 | 2013-02-06 | 北京科锐配电自动化股份有限公司 | Bi-stable permanent-magnetic switch driving circuit |
| CN109164281A (en) * | 2018-09-29 | 2019-01-08 | 国网安徽省电力有限公司电力科学研究院 | High-voltage switch gear control device for power transmission and transformation Start-up and Adjustment |
-
2005
- 2005-10-13 CN CN 200520076283 patent/CN2824273Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101707167A (en) * | 2009-09-30 | 2010-05-12 | 湖北盛佳电器设备有限公司 | Circuit breaker with temperature detection function |
| CN101707167B (en) * | 2009-09-30 | 2013-03-27 | 湖北盛佳电器设备有限公司 | Circuit breaker with temperature detection function |
| CN102915878A (en) * | 2012-10-31 | 2013-02-06 | 北京科锐配电自动化股份有限公司 | Bi-stable permanent-magnetic switch driving circuit |
| CN102915878B (en) * | 2012-10-31 | 2015-10-21 | 北京科锐配电自动化股份有限公司 | bistable permanent magnetic switch driving circuit |
| CN109164281A (en) * | 2018-09-29 | 2019-01-08 | 国网安徽省电力有限公司电力科学研究院 | High-voltage switch gear control device for power transmission and transformation Start-up and Adjustment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20061004 Termination date: 20091113 |