CN207993760U - Vacuum switch and breaker - Google Patents
Vacuum switch and breaker Download PDFInfo
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- CN207993760U CN207993760U CN201721416121.XU CN201721416121U CN207993760U CN 207993760 U CN207993760 U CN 207993760U CN 201721416121 U CN201721416121 U CN 201721416121U CN 207993760 U CN207993760 U CN 207993760U
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- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
本实用新型涉及真空开关及断路器，真空开关包括两个以上的固封极柱和中间导电件，所述固封极柱上设有出线端导电件和进线端导电件，每个固封极柱的出线端导电件与其相邻的固封极柱的进线端导电件通过中间导电件依次串联。通过若干个固封极柱的串联连接，使原来的真空断口由原来的一个增加到若干个，断口距离也为原来的若干倍，这样开断过程中的重燃现象就会大幅度降低甚至消除，因此过电压现象也会随之消失，提高了投切电容器组的使用寿命。
The utility model relates to a vacuum switch and a circuit breaker. The vacuum switch includes more than two solid-sealed poles and intermediate conductive parts. The solid-sealed poles are provided with outgoing-line conductive parts and incoming-line conductive parts. Each solid-sealed The conductors at the outlet end of the pole post and the conductors at the inlet end of the adjacent solid-sealed poles are serially connected in series through the intermediate conductors. Through the series connection of several solid-sealed poles, the original vacuum fracture is increased from the original one to several, and the fracture distance is also several times the original, so that the re-ignition phenomenon during the breaking process will be greatly reduced or even eliminated. , so the overvoltage phenomenon will also disappear, improving the service life of the switching capacitor bank.
Description
Technical field
The utility model is related to vacuum switch and breakers.
Background technology
In recent years, vacuum circuit breaker is long with its service life, can frequently cut-off, oil-free, the advantages that safeguarding less, in power train
It is used widely in system, therefore, intermediate voltage electric power system is used for switching capacitance when carrying out reactive-load compensation, frequently with vacuum switch
Device group.In the related technology, vacuum switch will produce the switching overvoltage of various complexity during switched capacitor group, and show
Only there are one poles per phase for the vacuum switch of some switched capacitor groups, true since its structure or technique are incomplete
It is susceptible to phenomenon of restriking in empty arc-chutes, will produce high overvoltage, brings serious harm, limitation to resolve to power equipment
The application of road device in this respect.
Utility model content
The purpose of this utility model is to provide a kind of vacuum switches, are restriked now with solving to be susceptible in vacuum interrupter
As and lead to the problem of high overvoltage；Purpose, which also resides in, provides a kind of breaker with the vacuum switch.
To achieve the above object, the first technical solution of the utility model vacuum switch is：Vacuum switch includes two
Above pole and intermediate conduct piece, the pole is equipped with leading-out terminal conduct piece and end of incoming cables conduct piece, each
The end of incoming cables conduct piece of the leading-out terminal conduct piece pole adjacent thereto of pole is sequentially connected in series by intermediate conduct piece.
Second of technical solution of the utility model vacuum switch be：In the first technology of the utility model vacuum switch
On the basis of scheme, the pole further includes arc-chutes, and the end of incoming cables conduct piece is connected with the moved end of the arc-chutes,
The leading-out terminal conduct piece is connected with the arc-chutes static side.
The third technical solution of the utility model vacuum switch is：In second of technology of the utility model vacuum switch
On the basis of scheme, the pole is two.
4th kind of technical solution of the utility model vacuum switch be：In the third technology of the utility model vacuum switch
On the basis of scheme, the model of first pole and the second pole is identical.
5th kind of technical solution of the utility model vacuum switch be：The utility model vacuum switch the third or
On the basis of four kinds of technical solutions, the vacuum switch further includes operating mechanism, and described two poles pass through operating mechanism
Drive synchronization action.
6th kind of technical solution of the utility model vacuum switch be：In the 5th kind of technology of the utility model vacuum switch
On the basis of scheme, the operating mechanism is two, and two operating mechanisms are corresponded with two poles respectively
Connection.
7th kind of technical solution of the utility model vacuum switch be：In the 6th kind of technology of the utility model vacuum switch
On the basis of scheme, described two poles are arranged in parallel.
8th kind of technical solution of the utility model vacuum switch be：In the 7th kind of technology of the utility model vacuum switch
On the basis of scheme, the vacuum switch further includes fixed plate, and described two poles are in the homonymy of fixed plate, the operation
Mechanism is in the other side of fixed plate.
9th kind of technical solution of the utility model vacuum switch be：In the first technology of the utility model vacuum switch
On the basis of scheme, the intermediate conduct piece is copper bar.
To achieve the above object, the first technical solution of the utility model breaker is：Breaker includes vacuum switch,
The vacuum switch includes more than two poles and intermediate conduct piece, and the pole is equipped with leading-out terminal conduct piece
Pass through with the end of incoming cables conduct piece of end of incoming cables conduct piece, the leading-out terminal conduct piece pole adjacent thereto of each pole
Intermediate conduct piece is sequentially connected in series.
Second of technical solution of the utility model breaker be：In the first technical solution of the utility model breaker
On the basis of, the pole further includes arc-chutes, and the end of incoming cables conduct piece is connected with the moved end of the arc-chutes, described
Leading-out terminal conduct piece is connected with the arc-chutes static side.
The third technical solution of the utility model breaker is：In second of technical solution of the utility model breaker
On the basis of, the pole is two.
4th kind of technical solution of the utility model breaker be：In the third technical solution of the utility model breaker
On the basis of, the model of first pole and the second pole is identical.
5th kind of technical solution of the utility model breaker be：In the third or the 4th kind of the utility model breaker
On the basis of technical solution, the vacuum switch further includes operating mechanism, and described two poles are driven by operating mechanism
Synchronization action.
6th kind of technical solution of the utility model breaker be：In the 5th kind of technical solution of the utility model breaker
On the basis of, the operating mechanism is two, and two operating mechanisms connect one to one with two poles respectively.
7th kind of technical solution of the utility model breaker be：In the 6th kind of technical solution of the utility model breaker
On the basis of, described two poles are arranged in parallel.
8th kind of technical solution of the utility model breaker be：In the 7th kind of technical solution of the utility model breaker
On the basis of, the vacuum switch further includes fixed plate, and described two poles are in the homonymy of fixed plate, the operating mechanism
In the other side of fixed plate.
9th kind of technical solution of the utility model breaker be：In the first technical solution of the utility model breaker
On the basis of, the intermediate conduct piece is copper bar.
The utility model has the beneficial effects that：Compared with prior art, being connected in series with by several poles, makes
Vacuum fracture originally increases to several by original one, and fracture distance is also original several times, such interrupting process
In phenomenon of restriking just will be greatly reduced and even be eliminated, therefore overvoltage phenomenon can also disappear therewith, improve switching capacitance
The service life of device group, and the pole being in series all is existing pole, need not remanufacture new sealing
Pole has saved cost.
Further, the first pole and the second pole shape and structure are identical with size, are conducive to two sealings
The pressure of arc-chutes in pole keeps the voltage born on two arc-chutes more balanced, to higher pressure-resistant water
It is flat.
Further, two poles are all connect with operating mechanism, and the operating mechanism drives two insulated tension poles dynamic
Make and keep strokes, ensure that the arc-chutes in two poles have higher resistance to voltage levels, switching capacitance can be born
The impact of switching overvoltage after device group.
Further, intermediate conduct piece is copper bar, and good conductivity is conducive to the indoor voltage of arc extinguishing in two poles
It is balanced.
Description of the drawings
Fig. 1 is the structural schematic diagram of the embodiment one of the vacuum switch of the utility model；
Fig. 2 is the structural schematic diagram of the embodiment two of the vacuum switch of the utility model；
Fig. 3 is the structural schematic diagram of the embodiment three of the vacuum switch of the utility model.
In figure：The first poles of 1-；The second poles of 2-；The first operating mechanisms of 3-；The first operating mechanisms of 4-；5- into
Line end conduct piece；6- arc-chutes；The ends of incoming cables 7- conduct piece；Conduct piece among 8-；9- capacitances；10 insulated tension poles；11- third sealings
Pole；12- third operating mechanisms.
Specific implementation mode
The embodiment of the utility model is described further below in conjunction with the accompanying drawings.
The specific embodiment one of the vacuum switch of the utility model, as shown in Figure 1, vacuum switch, including the first sealing pole
Column 1, the second pole 2, the first operating mechanism 3, second operation machine structure 4 and intermediate conduct piece 8, the first pole 1
The end of incoming cables of leading-out terminal and the second pole 2 is connected by intermediate conduct piece 8, and intermediate conduct piece 8 is copper bar, copper bar electric conductivity
It is good, be conducive to the indoor electric voltage equalization of arc extinguishing in two poles.
Further include in above-mentioned each pole：Arc-chutes 6, end of incoming cables conduct piece 5, leading-out terminal conduct piece 7 and arc extinguishing
The capacitance 9 and insulated tension pole 10 of room parallel connection, the moved end of above-mentioned arc-chutes 6 are connected with end of incoming cables conduct piece 5, arc-chutes 6
Static side is connected with leading-out terminal conduct piece 7, and 10 one end of insulated tension pole is connected with movable end of arc extinguishing chamber and end of incoming cables conduct piece 5, separately
One end is connected with operating mechanism, and mechanism drives the moved end of arc-chutes 6 to act by insulated tension pole 10, to reach breaking arc
Purpose.
The structure size and performance parameter of first pole 1 and the second pole 2 described above are all identical, have
Conducive to the pressure of the arc-chutes 6 in two poles, keep the voltage born on two arc-chutes 6 more balanced, to have
There are higher resistance to voltage levels, and the second pole 2 is placed in the underface of the first pole 1 and is placed in parallel, and is conducive to grasp
The synchronization action for making mechanism 3 and operating mechanism 4 is also convenient for the connection of copper bar.
The structure size and mechanical performance of operating mechanism 3 and operating mechanism 4 described above are also just the same, two operation machines
Structure drives insulated tension pole 10 to realize synchronization action by interlock, ensure that the arc-chutes in two poles have higher
Resistance to voltage levels, the impact of the switching overvoltage after switched capacitor group can be born.
Above-mentioned vacuum switch uses two duplicate concatenated structure types of pole, makes vacuum fracture by original
It is two that one come, which increases, and it is original 2 times that the distance of fracture, which also increases, and the arc-chutes 6 in pole is made to have higher
Resistance to voltage levels, the vacuum switch of such the utility model can bear rushing for the switching overvoltage after switched capacitor group
It hits.In usual 35kV electric system the probability of restriking of a vacuum fracture is generally 3% or so, then theoretically the utility model
The probability of restriking of vacuum switch can be reduced to 0.05%, and reliability greatly improves, therefore can increase substantially medium voltage electricity system
The safety of system Electric capacity compensation device and system.
The embodiment two of the vacuum switch of the utility model：As shown in Fig. 2, with embodiment one the difference is that, institute
It is one to state operating mechanism.
The embodiment three of the vacuum switch of the utility model：As shown in figure 3, with embodiment one the difference is that, institute
It is three to state pole.
The example IV of the vacuum switch of the utility model：With embodiment one the difference is that, first sealing
The model of pole and the second pole is different.
The embodiment five of the vacuum switch of the utility model：With embodiment one the difference is that, first sealing
Pole and the not parallel setting of the second pole.
The vacuum switch of the utility model is connected by two duplicate poles, realizes vacuum fracture by one
A increase is two, while it is original twice so that the fracture distance in vacuum switch is increased, and drives insulation to draw in operating mechanism
In the action process of bar cut-off, phenomenon of restriking is greatly lowered, and has achieved the purpose that safe arc extinguishing, increases making for arc-chutes
Use the service life.
The specific embodiment of the breaker of the utility model, the breaker include vacuum switch, the vacuum switch with it is upper
The structure for stating the vacuum switch of any one in the specific embodiment one to specific embodiment five of vacuum switch is identical, not goes to live in the household of one's in-laws on getting married
It states.
Claims (18)
1. vacuum switch, it is characterised in that：Including more than two poles and intermediate conduct piece, set on the pole
Have a leading-out terminal conduct piece and end of incoming cables conduct piece, the leading-out terminal conduct piece pole adjacent thereto of each pole into
Line end conduct piece is sequentially connected in series by intermediate conduct piece.
2. vacuum switch according to claim 1, it is characterised in that：The pole further includes arc-chutes, it is described into
Line end conduct piece is connected with the moved end of the arc-chutes, and the leading-out terminal conduct piece is connected with the arc-chutes static side.
3. vacuum switch according to claim 2, it is characterised in that：The pole is two.
4. vacuum switch according to claim 3, it is characterised in that：The model of described two poles is identical.
5. vacuum switch according to claim 3 or 4, it is characterised in that：The vacuum switch further includes operating mechanism, institute
It states two poles and synchronization action is driven by operating mechanism.
6. vacuum switch according to claim 5, it is characterised in that：The operating mechanism is two, two operating mechanisms
It connects one to one respectively with two poles.
7. vacuum switch according to claim 6, it is characterised in that：Described two poles are arranged in parallel.
8. vacuum switch according to claim 7, it is characterised in that：The vacuum switch further includes fixed plate, and described two
A pole is in the homonymy of fixed plate, and the operating mechanism is in the other side of fixed plate.
9. vacuum switch according to claim 1, it is characterised in that：The intermediate conduct piece is copper bar.
10. breaker includes the vacuum switch for switched capacitor group, it is characterised in that：The vacuum switch includes two
Above pole and intermediate conduct piece, the pole is equipped with leading-out terminal conduct piece and end of incoming cables conduct piece, each
The end of incoming cables conduct piece of the leading-out terminal conduct piece pole adjacent thereto of pole is sequentially connected in series by intermediate conduct piece.
11. breaker according to claim 10, it is characterised in that：The pole further includes arc-chutes, it is described into
Line end conduct piece is connected with the moved end of the arc-chutes, and the leading-out terminal conduct piece is connected with the arc-chutes static side.
12. breaker according to claim 11, it is characterised in that：The pole is two.
13. breaker according to claim 12, it is characterised in that：The model of described two poles is identical.
14. breaker according to claim 12 or 13, it is characterised in that：The vacuum switch further includes operating mechanism,
Described two poles drive synchronization action by operating mechanism.
15. breaker according to claim 14, it is characterised in that：The operating mechanism is two, two operating mechanisms
It connects one to one respectively with two poles.
16. breaker according to claim 15, it is characterised in that：Described two poles are arranged in parallel.
17. breaker according to claim 16, it is characterised in that：The vacuum switch further includes fixed plate, and described two
A pole is in the homonymy of fixed plate, and the operating mechanism is in the other side of fixed plate.
18. breaker according to claim 10, it is characterised in that：The intermediate conduct piece is copper bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721416121.XU CN207993760U (en) | 2017-10-30 | 2017-10-30 | Vacuum switch and breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721416121.XU CN207993760U (en) | 2017-10-30 | 2017-10-30 | Vacuum switch and breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207993760U true CN207993760U (en) | 2018-10-19 |
Family
ID=63803451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721416121.XU Active CN207993760U (en) | 2017-10-30 | 2017-10-30 | Vacuum switch and breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207993760U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107749367A (en) * | 2017-10-30 | 2018-03-02 | 许继集团有限公司 | A kind of vacuum switch and breaker |
-
2017
- 2017-10-30 CN CN201721416121.XU patent/CN207993760U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107749367A (en) * | 2017-10-30 | 2018-03-02 | 许继集团有限公司 | A kind of vacuum switch and breaker |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 1298 Xuchang City, Henan province 461000 XJ Avenue Patentee after: XJ Group Corp. Patentee after: Xuji delischer Electric Co.,Ltd. Patentee after: STATE GRID CORPORATION OF CHINA Address before: No. 1298 Xuchang City, Henan province 461000 XJ Avenue Patentee before: XJ Group Corp. Patentee before: XUCHANG XUJI DRIESCHER WEGBERG ELECTRIC Co.,Ltd. Patentee before: State Grid Corporation of China |