CN2476872Y - Outdoor high-voltage vacuum circuit breaker - Google Patents
Outdoor high-voltage vacuum circuit breaker Download PDFInfo
- Publication number
- CN2476872Y CN2476872Y CN 00252968 CN00252968U CN2476872Y CN 2476872 Y CN2476872 Y CN 2476872Y CN 00252968 CN00252968 CN 00252968 CN 00252968 U CN00252968 U CN 00252968U CN 2476872 Y CN2476872 Y CN 2476872Y
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- China
- Prior art keywords
- control device
- outdoor high
- arc control
- voltage vacuum
- vacuum 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.)
- Expired - Lifetime
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Abstract
The utility model discloses an outdoor high voltage vacuum breaker. A transmission mechanism which is connected with an insulating pulling rod of arc extinguish chamber are arranged in case of the breaker. Current mutual inductor is connected with a lower guide plate while an upper conducting plate is arranged on upper part of the arc extinguish chamber. The upper conducting plate is connected with the arc extinguish chamber. The insulating pulling rod in the lower part of the arc extinguish chamber is connected with the lower end of the arc extinguish after passing through the lower conducting plate. A guide plate is arranged at the bottom of the insulating pulling rod. An air bag is arrange moveably at the bottom end of the guide plate and is fixed on the insulating pulling rod and the box body. The utility model has high quality and reliable stability, which needs not maintenance.
Description
The utility model relates to a kind of outdoor high-voltage vacuum breaker, especially a kind of outdoor high-voltage vacuum breaker with reliable stability, environment-friendly type, freedom from repairs characteristics.
Outdoor circuit breaker is to begin in the sixties to produce in China, at that time based on heavy wool and phase structure, develops into few oily three-phase combined type structure to the seventies; The eighties begins to occur with SF
6Gas is the 40.5KV level breaker of insulation; The nineties begins exploitation and produces vacuum circuit-breaker, when its inner dielectric still with oil or SF
6Be main, its objective is, be subjected to Temperature Influence and produce condensation, cause insulation fault in order to prevent that product from using out of doors; The circuit breaker of China 40.5KV mainly contains following several at present:
One. oily formula circuit breaker, its version is the three-phase combined type structure, the operating mechanism of adapted is based on electromagnetic mechanism, its products characteristics is: volume is big, the mechanism performance instability, switch to cut-off capacity little, do not satisfy modern industry and agricultural development needs, insulation level is low, and accident is frequent, maintenance load is big, brings very big economic waste to power pack.Because be to be insulation and arc control device medium with oil, oily leakage has also caused environmental pollution.
Two. with oil or SF
6Be the vacuum circuit-breaker of dielectric, its product characteristics is: with the vacuum switch tube arc extinguishing, with oil or SF
6Be external insulation, threephase current transformer is contained in the inside of circuit breaker, owing to adopted vacuum switch tube, it is bigger that it cut-offs capacity, satisfied the requirement of the modern life and industry, added body and can adorn threephase current transformer, for the construction of transformer station provides convenience, expand the scope of application of product, but owing to adopted oil or SF
6Be external insulation, product structure design more complicated, cost height have brought difficulty for the assembling of product, and the reliability of properties of product is affected; And the volume of this product is bigger, is unfavorable for the construction requirements of the miniaturization transformer station of popularization at present; It is same because oil and SF are arranged
6Leakage problem, the maintenance and the environment of equipment all brought unfavorable factor; In addition, this product cost height, instrument transformer easily punctures during use, and accident is more, and it is big with maintenance load to do over again, and the interruption duration that brings is also long.
The purpose of this utility model provides a kind of environment-friendly type outdoor high-voltage vacuum breaker, and it has the quality height, stability is reliable and the characteristics of freedom from repairs.
The purpose of this utility model is achieved in that a kind of outdoor high-voltage vacuum breaker, comprise the arc control device assembling, casing, the transmission mechanism summation current transformer, box house is provided with the transmission mechanism that links to each other with arc control device assembling insulated tension pole, current transformer links to each other with lower conducting plate, be provided with conductive plate on arc control device assembling top, last conductive plate links to each other with arc control device, insulated tension pole in the arc control device assembling bottom passes lower conducting plate and links to each other with the lower end of arc control device, the bottom of insulated tension pole is provided with guide plate, be provided with mobilizable airbag in the guide plate bottom, airbag is fixed on insulated tension pole and the casing.
The insulated leg of arc control device assembling adopts two insulators of ceramic making, is provided with vacuum interrupter in last insulator inside, is provided with insulated tension pole in following insulator inside, and lower conducting plate is between last insulator and following insulator.
The upper end of conductive plate and flange is provided with several buffer spring assemblings in the arc control device assembling.
Buffer spring assembling comprises several buffer springs, screw rod and spring cup, is provided with a groove on last conductive plate, is provided with spring cup and buffering spring in it, and screw rod passes spring cup and buffering spring, upward conductive plate and flange are connected and fixed.
Side in the casing outside is provided with support and supports angle steel, is fixed with current transformer on it, and current transformer adopts resin cast to form, and its outside is provided with umbrella skirt construction.
Transmission mechanism is a spring energy agency.
In buffer spring assembling be provided with rainhat above the last conductive plate.
Lower conducting plate is provided with conductive clip and is flexible coupling.
Vacuum interrupter is selected the ceramic-vacuum tube of outdoor type large distance structure for use.
The pillar insulated porcelain sleeve selects for use the outdoor type large distance that the pottery of umbrella skirt construction is arranged.
The utility model has guaranteed the circulation of air of vacuum extinction outdoor insulation owing to adopted the airbag respiration apparatus; Owing to adopt the external insulation medium of air, solved utilization oil or SF as arc control device
6Leaking the harm that brings and produce, is a kind of environmental protection electric equipment; Because current transformer adopts resin cast to form, its outside is provided with umbrella skirt construction, can outdoor installation, reduce the volume of arc control device assembling; Owing to adopt the buffer spring assembling, absorbed the excess energy when closing a floodgate, reduced the impulsive force of the dynamic and static contact of vacuum switch, reduced spring; Because vacuum interrupter and pillar insulated porcelain sleeve all are the potteries with outdoor type large distance band umbrella skirt construction, it is better to make its antipollution and anti-freezing reveal performance; Owing to adopt stainless steel to make the shell of product, prevented to use the difficulty of getting rusty out of doors, play the purpose of beautifying the environment, need not antirust maintenance; Because the structure of product is taked the blocking structure, can be divided into arc control device unit, box unit, three parts of gear unit, organic assembling by three parts, the quality and the efficient of assembling have been improved, in addition, main components and parts interchangeability is strong, flexible and changeablely can adapt to the different user and the market demand, reduced the economic waste in a way that brings owing to the main element particular design, for the batch process of enterprise product provides convenience.The utility model has solved for a long time that product moves all technical barriers that brought out of doors, moves for product out of doors reliable quality assurance is provided, and has solved the frequent economic loss brought of taking place of former mechanism accident simultaneously again.The utility model structural design is rationally distributed, and good looking appearance, volume are little, only are 1/2 of like product, because volume is less, the land used scope of having dwindled transformer station meets the requirement of the miniaturization transformer substation construction on duty that present country promoting.
Below in conjunction with concrete structure and the operation principle of accompanying drawing detailed description according to the outdoor high-voltage vacuum breaker that the utility model proposes.
Fig. 1 is a front view of the present utility model;
Fig. 2 is the side-looking partial sectional view of Fig. 1;
Fig. 3 is the cutaway view of the utility model arc control device assembling;
Fig. 4 is the schematic diagram of the utility model buffer spring assembling;
Fig. 5 is the schematic diagram of the utility model airbag assembling.
As shown in Figure 1, 2, outdoor high-voltage vacuum breaker of the present utility model comprises arc control device assembling 1, casing 2, cover plate 3, transmission mechanism 4, connects row 5, current transformer 6, support 7 and supports angle steel 8.Casing 2 is the rectangle housing, its outside top is provided with three arc control device assemblings 1 of protruding casing, the inside of casing 2 is provided with arc control device and assembles the transmission mechanism 4 that 1 insulated tension pole 118 links to each other, and the front/rear end of casing 2 is provided with dismountable cover plate 3, to make things convenient for Installation and Debugging and maintenance.
Be provided with support 7 and support angle steel 8 in a side of casing 2, be fixed with current transformer 6 on it, current transformer 6 adopts resin cast to form, and its outside is provided with umbrella skirt construction, can outdoor installation, can reduce the volume of arc control device assembling like this.In addition, current transformer 6 joins by the lower conducting plate 113 that connects row 5 and arc control device assembling 1.
Transmission mechanism 4 adopts the spring energy agency of dependable performance, and the product overall structure is simplified, and general purpose accessory is many, action accuracy rate height, and the reliability of power supply is effectively guaranteed, and spring energy agency is prior art (being outsourcing piece), does not repeat them here.
As shown in Figure 3, the utility model arc control device assembling 1 mainly comprises conductive plate 15, buffer spring assembling 17, insulator 19, arc control device 110, lower conducting plate 113, insulated tension pole 118 and guide plate 119.
The insulated leg of arc control device assembling 1 is two insulators 19 that adopt ceramic making, and it not only plays a supportive role but also shield.Vacuum interrupter 110 is equipped with in insulator 19 inside that are positioned at the top, be provided with conductive plate 15 on the top of arc control device 110, last conductive plate 15 links to each other with flange 16, it is fixing that bolt 11, packing ring 12 and bullet pad 13 can be passed through in the top of last conductive plate 15 and arc control device 110, between last conductive plate 15 and insulator 19, be provided with rubber blanket 14, be with flange 16 outside insulator 19 tops, flange is by locking spring 18 axial restraints.
Be provided with buffer spring assembling 17 in the outer end of last conductive plate 15 and flange 16; in buffer spring assembling 17 be provided with rainhat 123 above the last conductive plate 15; it can prevent effectively that rainwater from entering insulating base inside from the top, has also played the effect of protection buffer spring simultaneously.
Be provided with lower conducting plate 113 between the upper and lower insulator 19, lower conducting plate 113 links to each other with current transformer 6.In the present embodiment, upper and lower insulator 19 is connected with nut 125 by bolt 124 with lower conducting plate 113, and lower conducting plate 113 is provided with conductive clip 114 and is flexible coupling 115, also is connected with nut 112 by bolt 111.
Being positioned at down, the insulated tension pole 118 of insulator 19 links to each other with the lower end of bullet pad 117 with arc control device 110 by bolt 126, nut 116.The bottom of insulated tension pole 118 is provided with guide plate 119, and as shown in Figure 5, guide plate 119 is connected by adapter sleeve 10 with insulator 19 bottoms, and guide plate 119 can be connected and fixed with bolt 120, packing ring 121 and bullet pad 122 with adapter sleeve 10.
Below guide plate 119 bottoms of insulator 19 be provided with mobilizable airbag 9, as shown in Figure 5, airbag 9 is fixed on insulated tension pole 118 and the casing 2, utilize that switch closes, moving up and down of separating brake drives the motion of airbag 9, make air flows in the insulator 19 of arc control device 110, fast cooling can prevent that again moisture from entering in the insulator 19 of arc control device 110 from the bottom simultaneously, and reduces insulation property.
In addition, buffer spring assembling 17, as shown in Figure 4, comprise 8 buffer springs 175, screw rod 171, plain washer 172, bullet pad 173, spring cup 174 and nut 176, last conductive plate 15 is provided with several grooves, be provided with spring cup 174 and buffering spring 175 in it, screw rod 171 passes spring cup 174 and buffering spring 175, goes up conductive plate 115 and flange 16, and fixing by nut 176.During work because the impulsive force during breaker closing promotes to go up conductive plate moves upward, make the buffer spring compression, absorbed the excess energy when closing a floodgate, reduced the impulsive force of the dynamic and static contact of vacuum switch, reduced spring, therefore, the fixedly effect of vacuum interrupter 110 had both been played in buffer spring assembling 17, played the effect that bounce appears in the control circuit breaker simultaneously when closing a floodgate again.
Pillar insulated porcelain sleeve 19 selects for use the outdoor type large distance that the pottery of umbrella skirt construction is arranged, and it is good that performance is revealed in antipollution and anti-freezing.
Claims (10)
1. outdoor high-voltage vacuum breaker, comprise arc control device assembling, casing, transmission mechanism summation current transformer, box house is provided with the transmission mechanism that links to each other with arc control device assembling insulated tension pole, it is characterized in that: current transformer links to each other with lower conducting plate, be provided with conductive plate on arc control device assembling top, last conductive plate links to each other with arc control device, insulated tension pole in the arc control device assembling bottom passes lower conducting plate and links to each other with the lower end of arc control device, the bottom of insulated tension pole is provided with guide plate, be provided with mobilizable airbag in the guide plate bottom, airbag is fixed on insulated tension pole and the casing.
2. outdoor high-voltage vacuum breaker as claimed in claim 1, it is characterized in that: the insulated leg of arc control device assembling adopts two insulators of ceramic making, be provided with vacuum interrupter in last insulator inside, be provided with insulated tension pole in following insulator inside, lower conducting plate is between last insulator and following insulator.
3. outdoor high-voltage vacuum breaker as claimed in claim 1 or 2 is characterized in that: the upper end of conductive plate and flange is provided with several buffer spring assemblings in the arc control device assembling.
4. outdoor high-voltage vacuum breaker as claimed in claim 3, it is characterized in that: the buffer spring assembling comprises several buffer springs, screw rod and spring cup, on last conductive plate, be provided with a groove, be provided with spring cup and buffering spring in it, screw rod passes spring cup and buffering spring, go up conductive plate and flange is connected and fixed.
5. outdoor high-voltage vacuum breaker as claimed in claim 1 is characterized in that: the side in the casing outside is provided with support and supports angle steel, is fixed with current transformer on it, and current transformer adopts resin cast to form, and its outside is provided with umbrella skirt construction.
6. outdoor high-voltage vacuum breaker as claimed in claim 1 is characterized in that: transmission mechanism is a spring energy agency.
7. outdoor high-voltage vacuum breaker as claimed in claim 1 is characterized in that: in buffer spring assembling be provided with rainhat above the last conductive plate.
8. outdoor high-voltage vacuum breaker as claimed in claim 1 is characterized in that: lower conducting plate is provided with conductive clip and is flexible coupling.
9. outdoor high-voltage vacuum breaker as claimed in claim 1 is characterized in that: vacuum interrupter is selected the ceramic-vacuum tube of outdoor type large distance structure for use.
10, outdoor high-voltage vacuum breaker as claimed in claim 1 is characterized in that: the pillar insulated porcelain sleeve selects for use the outdoor type large distance that the pottery of umbrella skirt construction is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00252968 CN2476872Y (en) | 2000-11-16 | 2000-11-16 | Outdoor high-voltage vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00252968 CN2476872Y (en) | 2000-11-16 | 2000-11-16 | Outdoor high-voltage vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2476872Y true CN2476872Y (en) | 2002-02-13 |
Family
ID=33610514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00252968 Expired - Lifetime CN2476872Y (en) | 2000-11-16 | 2000-11-16 | Outdoor high-voltage vacuum circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2476872Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102184796A (en) * | 2011-05-13 | 2011-09-14 | 浙江华高电气有限公司 | Composite post insulator with vacuum arc extinguish chamber for high-voltage device |
| CN102237227A (en) * | 2010-04-21 | 2011-11-09 | Abb股份公司 | Power distribution device with a double interruption |
| CN102737902A (en) * | 2011-04-06 | 2012-10-17 | 中国北车集团大同电力机车有限责任公司 | Vacuum circuit breaker and electric locomotive |
| CN104201043A (en) * | 2014-09-23 | 2014-12-10 | 麦克奥迪（厦门）电气股份有限公司 | Intelligent switch with serially-connected double break points |
| CN105513874A (en) * | 2015-12-07 | 2016-04-20 | 中国电力科学研究院 | Isolation circuit breaker integrated with voltage transformer |
| CN108010823A (en) * | 2017-12-29 | 2018-05-08 | 西安中熔电气股份有限公司 | A kind of fuse of high response speed |
-
2000
- 2000-11-16 CN CN 00252968 patent/CN2476872Y/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102237227A (en) * | 2010-04-21 | 2011-11-09 | Abb股份公司 | Power distribution device with a double interruption |
| CN102237227B (en) * | 2010-04-21 | 2016-02-17 | Abb股份公司 | There is the controller switching equipment of double-break |
| CN102737902A (en) * | 2011-04-06 | 2012-10-17 | 中国北车集团大同电力机车有限责任公司 | Vacuum circuit breaker and electric locomotive |
| CN102737902B (en) * | 2011-04-06 | 2014-10-22 | 中国北车集团大同电力机车有限责任公司 | Vacuum circuit breaker and electric locomotive |
| CN102184796A (en) * | 2011-05-13 | 2011-09-14 | 浙江华高电气有限公司 | Composite post insulator with vacuum arc extinguish chamber for high-voltage device |
| CN104201043A (en) * | 2014-09-23 | 2014-12-10 | 麦克奥迪（厦门）电气股份有限公司 | Intelligent switch with serially-connected double break points |
| CN105513874A (en) * | 2015-12-07 | 2016-04-20 | 中国电力科学研究院 | Isolation circuit breaker integrated with voltage transformer |
| CN108010823A (en) * | 2017-12-29 | 2018-05-08 | 西安中熔电气股份有限公司 | A kind of fuse of high response speed |
| CN108010823B (en) * | 2017-12-29 | 2023-11-21 | 西安中熔电气股份有限公司 | Fuse with high response speed |
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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 | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20101116 Granted publication date: 20020213 |