CN203573898U - Rapid vacuum circuit breaker - Google Patents
Rapid vacuum circuit breaker Download PDFInfo
- Publication number
- CN203573898U CN203573898U CN201320747019.3U CN201320747019U CN203573898U CN 203573898 U CN203573898 U CN 203573898U CN 201320747019 U CN201320747019 U CN 201320747019U CN 203573898 U CN203573898 U CN 203573898U
- Authority
- CN
- China
- Prior art keywords
- storage capacitor
- switching
- circuit breaker
- binding post
- closing coil
- Prior art date
- 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.)
- Expired - Fee Related
Links
- 239000003990 capacitor Substances 0.000 claims abstract description 34
- 239000012212 insulator Substances 0.000 claims abstract description 9
- 238000004804 winding Methods 0.000 claims description 22
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 239000000696 magnetic material Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000035699 permeability Effects 0.000 claims description 3
- 238000004146 energy storage Methods 0.000 abstract 2
- 238000005516 engineering process Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 230000008033 biological extinction Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 230000004043 responsiveness Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Images
Abstract
The utility model relates to a rapid vacuum circuit breaker. The rapid vacuum circuit breaker is characterized in that the bottom end of a moving conducting rod is connected with one end of an insulator (2), the other end of the insulator (2) is connected with one side of an switching-off coil (3) via a connecting rod, the other side of the switching-off coil (3) is connected with one side of a switching-on coil (5) via the connecting rod, the other side of the switching-on coil (5) is connected with a disc spring via the connecting rod, the connecting rod between the switching-off coil (3) and the switching-on coil (5) is also provided with an eddy current disc (4), a second wiring terminal of the switching-off coil (3) and a second wiring terminal of the switching-on coil (5) are respectively connected with two output terminals of a switching control switch (K), and the rapid vacuum circuit breaker also comprises a first energy storage capacitor (C1) and a second energy storage capacitor (C2). By employing the rapid vacuum circuit breaker, the switching-on time can be about 12 ms, and the switching-off time can be controlled within 5 ms.
Description
Technical field
The utility model relates to a kind of Fast Speed Vacuum Circuit Breaker.
Background technology
Utilize series capacitance to offset the method that circuit induction reactance solves line end quality of voltage problem, as far back as the eighties of last century sixties, domesticly just have an application.Along with the maturation of control gap and power electronic technology, the series compensation device for high pressure, superhigh pressure also puts into operation in recent years.During normal operation, in circuit, only have operating current to flow through, the voltage at series capacitance apparatus two ends is close to 1/10 left and right of line work voltage.But this does not also mean that and allows to select series capacitor according to 1/10 of line work voltage, this is because the voltage at series capacitor two ends will exceed tens times of even decades of times, overvoltage when this just requires series capacitor device must consider to tolerate short-circuit impact and the test of overcurrent when normal after circuit is short-circuited.
Therefore, the rated voltage of conventional series capacitance apparatus will be selected higher, need to also will configure observing and controlling and by-pass switch by many capacitor connection in series-parallel, so that can be as early as possible by the bypass of series capacitance apparatus when circuit is short-circuited fault simultaneously.But slower due to high pressure, ultra-high pressure switch responsiveness, add the recognition time of short trouble, wait until could be by series capacitance apparatus short circuit after at least 100ms after short trouble occurs.This just require to take control gap, power electronic element and zinc oxide arrester etc. auxiliary protection means.Therefore, that conventional series capacitance apparatus inevitably exists is bulky, involve great expense, the problem of technical sophistication, poor reliability, this also just conventional series capacitance apparatus be difficult to the reason of applying at high pressure, supergrid.
For making series capacitance apparatus simplified structure, reduce cost, just must reduce significantly the disengaging time of series capacitance apparatus after short trouble, so just need Fast Speed Vacuum Circuit Breaker.
Utility model content
The purpose of this utility model is to provide a kind of quick action, the life-span is long, reliability is high Fast Speed Vacuum Circuit Breaker.
A kind of Fast Speed Vacuum Circuit Breaker, comprise vacuum interrupter, at the indoor moving contact that is provided with of this vacuum extinction, this moving contact is connected with moving conductive rod and the end of this moving conductive rod to stretch out vacuum extinction outdoor, its special feature is: the end of described moving conductive rod is connected with one end of insulator, and the other end of this insulator is connected with a side of switching winding by connecting rod, the opposite side of this switching winding is connected with a side of closing coil by connecting rod, the opposite side of this closing coil is connected with a dishful of spring by connecting rod, and eddy-current disc is also installed on the connecting rod between aforesaid switching winding and closing coil, wherein the second binding post of switching winding and the second binding post of closing coil are connected with two outputs of switching controls switch respectively, the first storage capacitor and the second storage capacitor that also comprise series connection, one end of this first storage capacitor is connected with the first binding post of switching winding, and one end of this second storage capacitor is connected with the first binding post of closing coil, the mid point of this first storage capacitor and the second storage capacitor is connected with the input of aforementioned switching controls switch, and the mid point of this first storage capacitor and the second storage capacitor connects the first binding post of closing coil after connecting with a charge power supply, between the first binding post of switching winding and the first binding post of closing coil, be shorted together in addition.
Wherein moving contact and conducting rod adopt copper material, and eddy-current disc adopts permeability magnetic material.
Wherein charge power supply adopts DC power supply.
Wherein dish spring adopts state dish spring device.
The utility model provides a kind of Fast Speed Vacuum Circuit Breaker, can shorten significantly the disengaging time of series capacitance apparatus after short trouble after use, thereby for the novel series voltage compensation arrangement of 110kV high pressure simplified structure, reduce cost and created condition.Adopt Fast Speed Vacuum Circuit Breaker of the present utility model as the execution unit that exits series capacitance apparatus, exempted the safeguard measures such as power electronic element complicated in conventional series compensation device, control gap, thereby greatly improved operational reliability.Through probationary certificate, adopt after Fast Speed Vacuum Circuit Breaker of the present utility model, closing time can be accomplished 12ms left and right, opening time can be controlled in 5ms.Because this Fast Speed Vacuum Circuit Breaker has been cancelled conventional transmission mechanism, not only quick action, and life-span is long, reliability is high.After utilizing Fast Speed Vacuum Circuit Breaker as short circuit, exit fast the execution unit of series capacitance apparatus, quick recognition technology in conjunction with short trouble, just can be short-circuited the 3ms of fault with the interior generation that identifies fast short trouble at circuit, in 15ms left and right, series capacitance apparatus be exited fast.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present utility model.
Embodiment
As shown in Figure 1, the utility model is a kind of Fast Speed Vacuum Circuit Breaker, comprise vacuum interrupter 1, in this vacuum interrupter 1, moving contact is installed, this moving contact is connected with moving conductive rod and the end of this moving conductive rod stretches out outside vacuum interrupter 1, the end of described moving conductive rod is connected with one end of insulator 2, and the other end of this insulator 2 is connected with a side of switching winding 3 by connecting rod, the opposite side of this switching winding 3 is connected with a side of closing coil 5 by connecting rod, the opposite side of this closing coil 5 is connected with dish spring by connecting rod, and on the connecting rod between aforesaid switching winding 3 and closing coil 5, eddy-current disc 4 is also installed.
As shown in Figure 1, wherein the second binding post of switching winding 3 and the second binding post of closing coil 5 are connected with two outputs of switching controls K switch respectively that (what be connected with control switch K is all defined as the second binding post, and other two are defined as the first binding post), the the first storage capacitor C1 and the second storage capacitor C2 that also comprise series connection, one end of this first storage capacitor C1 is connected with the first binding post of switching winding 3, and one end of this second storage capacitor C2 is connected with the first binding post of closing coil 5, the mid point of this first storage capacitor C1 and the second storage capacitor C2 is connected with the input of aforementioned switching controls K switch, and the mid point of this first storage capacitor C1 and the second storage capacitor C2 connects the first binding post of closing coil 5 after connecting with a charge power supply, between the first binding post of switching winding 3 and the first binding post of closing coil 5, be shorted together in addition.
Wherein moving contact and conducting rod adopt copper material, and eddy-current disc 4 adopts permeability magnetic material, for example steel matter.Charge power supply adopts DC power supply, for example storage battery.And dish spring (butterfly spring) adopts state dish spring device 6.
Below in conjunction with accompanying drawing, the utility model is carried out to further detailed saying:
The utility model is a kind of Fast Speed Vacuum Circuit Breaker based on the exploitation of high-speed eddy Driving technique, mainly vacuum interrupter 1, insulator 2, switching winding 3, eddy-current disc 4, closing coil 5, state dish spring device 6, control switch K, the first storage capacitor C1, the second storage capacitor C2 and charge power supply etc., consists of.
As shown in Figure 2, when control switch K invests below, the first storage capacitor C1 is to closing coil 5 electric discharges, and the pulse current of electric discharge produces pulsed magnetic field when flowing through closing coil 5, and the magnetic flux that this pulsed magnetic field produces produces eddy current while passing eddy-current disc 4 in eddy-current disc 4.The magnetic direction producing due to the eddy current in eddy-current disc 4 is contrary with the magnetic direction producing in closing coil 5, is subject to the effect eddy-current disc 4 of closing coil 5 magnetic field repulsive forces just to drive the moving contact of vacuum interrupter 1 to move upward, and completes feed motion.
Otherwise when control switch K invests top, the second storage capacitor C2 is to switching winding 3 electric discharges, the pulse current of electric discharge produces pulsed magnetic field in switching winding 3, and the magnetic flux that this pulsed magnetic field produces produces eddy current while passing eddy-current disc 4 in eddy-current disc 4.The magnetic direction producing due to the eddy current in eddy-current disc 4 is contrary with the magnetic direction that discharging current produces in switching winding 3, is subject to the effect eddy-current disc 4 of closing coil 5 magnetic field repulsive forces just to drive the moving contact in vacuum interrupter 1 to move downward, and completes feed motion.
The utility model is a kind of Fast Speed Vacuum Circuit Breaker based on high-speed eddy Driving technique, and through probationary certificate, closing time can be accomplished 12ms left and right, and opening time can be controlled in 5ms.Because this Fast Speed Vacuum Circuit Breaker has been cancelled conventional transmission mechanism, not only quick action, and life-span is long, reliability is high.After utilizing Fast Speed Vacuum Circuit Breaker as short circuit, exit fast the execution unit of series capacitance apparatus, quick recognition technology in conjunction with short trouble, just can be short-circuited the 3ms of fault with the interior generation that identifies fast short trouble at circuit, in 15ms left and right, series capacitance apparatus be exited fast.
Claims (4)
1. a Fast Speed Vacuum Circuit Breaker, comprise vacuum interrupter (1), in this vacuum interrupter (1), moving contact is installed, this moving contact is connected with moving conductive rod and the end of this moving conductive rod stretches out outside vacuum interrupter (1), it is characterized in that: the end of described moving conductive rod is connected with the one end of insulator (2), and the other end of this insulator (2) is connected with a side of switching winding (3) by connecting rod, the opposite side of this switching winding (3) is connected with a side of closing coil (5) by connecting rod, the opposite side of this closing coil (5) is connected with a dishful of spring by connecting rod, and eddy-current disc (4) is also installed on the connecting rod between aforesaid switching winding (3) and closing coil (5), wherein the second binding post of switching winding (3) is connected with two outputs of switching controls switch (K) respectively with the second binding post of closing coil (5), the first storage capacitor (C1) and the second storage capacitor (C2) that also comprise series connection, one end of this first storage capacitor (C1) is connected with the first binding post of switching winding (3), and one end of this second storage capacitor (C2) is connected with the first binding post of closing coil (5), the mid point of this first storage capacitor (C1) and the second storage capacitor (C2) is connected with the input of aforementioned switching controls switch (K), and the mid point of this first storage capacitor (C1) and the second storage capacitor (C2) connects the first binding post of closing coil (5) after connecting with a charge power supply, between the first binding post of switching winding (3) and the first binding post of closing coil (5), be shorted together in addition.
2. Fast Speed Vacuum Circuit Breaker as claimed in claim 1, it is characterized in that: wherein moving contact and conducting rod adopt copper material, and eddy-current disc (4) adopts permeability magnetic material.
3. Fast Speed Vacuum Circuit Breaker as claimed in claim 1 or 2, is characterized in that: wherein charge power supply adopts DC power supply.
4. Fast Speed Vacuum Circuit Breaker as claimed in claim 1 or 2, is characterized in that: wherein dish spring adopts state dish spring device (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320747019.3U CN203573898U (en) | 2013-11-22 | 2013-11-22 | Rapid vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320747019.3U CN203573898U (en) | 2013-11-22 | 2013-11-22 | Rapid vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203573898U true CN203573898U (en) | 2014-04-30 |
Family
ID=50541613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320747019.3U Expired - Fee Related CN203573898U (en) | 2013-11-22 | 2013-11-22 | Rapid vacuum circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203573898U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103681090A (en) * | 2013-11-22 | 2014-03-26 | 国家电网公司 | Quick vacuum circuit breaker |
| CN104393577A (en) * | 2014-11-12 | 2015-03-04 | 南京南瑞继保电气有限公司 | Fast arc extinguisher, arc protection system and control method |
| EP2947676A1 (en) * | 2014-05-13 | 2015-11-25 | LSIS Co., Ltd. | Fast switch |
| CN106024500A (en) * | 2016-06-24 | 2016-10-12 | 安徽布雷克电气技术有限公司 | Adaptive smart synchronous high-speed switching device |
| CN110349799A (en) * | 2018-08-09 | 2019-10-18 | 安徽合凯电气科技股份有限公司 | A kind of vacuum switch and associated mechanisms, system and application |
| CN111029190A (en) * | 2019-11-28 | 2020-04-17 | 贵州电网有限责任公司 | Fast switching switch device, system and fast switching method |
-
2013
- 2013-11-22 CN CN201320747019.3U patent/CN203573898U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103681090A (en) * | 2013-11-22 | 2014-03-26 | 国家电网公司 | Quick vacuum circuit breaker |
| EP2947676A1 (en) * | 2014-05-13 | 2015-11-25 | LSIS Co., Ltd. | Fast switch |
| CN105098745A (en) * | 2014-05-13 | 2015-11-25 | Ls产电株式会社 | Fast switch |
| CN105098745B (en) * | 2014-05-13 | 2018-08-03 | Ls产电株式会社 | High-speed switch |
| CN104393577A (en) * | 2014-11-12 | 2015-03-04 | 南京南瑞继保电气有限公司 | Fast arc extinguisher, arc protection system and control method |
| CN106024500A (en) * | 2016-06-24 | 2016-10-12 | 安徽布雷克电气技术有限公司 | Adaptive smart synchronous high-speed switching device |
| CN106024500B (en) * | 2016-06-24 | 2018-07-06 | 安徽合凯电气科技股份有限公司 | Self-adapting intelligent synchronous high-speed switching device |
| CN110349799A (en) * | 2018-08-09 | 2019-10-18 | 安徽合凯电气科技股份有限公司 | A kind of vacuum switch and associated mechanisms, system and application |
| CN110349799B (en) * | 2018-08-09 | 2022-01-14 | 安徽合凯电气科技股份有限公司 | Vacuum switch and related mechanism, system and application |
| CN111029190A (en) * | 2019-11-28 | 2020-04-17 | 贵州电网有限责任公司 | Fast switching switch device, system and fast switching method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140430 Termination date: 20151122 |
|
| EXPY | Termination of patent right or utility model |