CN202712037U - Tank type high voltage vacuum circuit breaker with three-phase common structure - Google Patents
Tank type high voltage vacuum circuit breaker with three-phase common structure Download PDFInfo
- Publication number
- CN202712037U CN202712037U CN2012202186622U CN201220218662U CN202712037U CN 202712037 U CN202712037 U CN 202712037U CN 2012202186622 U CN2012202186622 U CN 2012202186622U CN 201220218662 U CN201220218662 U CN 201220218662U CN 202712037 U CN202712037 U CN 202712037U
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- CN
- China
- Prior art keywords
- circuit breaker
- type high
- vacuum circuit
- high voltage
- pressure
- 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
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- 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
- H01H33/02—Details
- H01H33/022—Details particular to three-phase circuit breakers
- H01H2033/024—Details particular to three-phase circuit breakers with a triangular setup of circuit breakers
Abstract
The utility model provides a tank type high voltage vacuum circuit breaker with a three-phase common structure to overcome the problems that the existing tank type high voltage vacuum circuit breaker which uses dry air or nitrogen as an insulation medium is only applicable to a three-phase independent situation, has assembly difficulty and covers a large area. The tank type high voltage vacuum circuit breaker with the three-phase common structure is characterized in that three pairs of wire outlets are arranged at the upper part of a tank body; three vacuum interrupters are arranged in the tank body; all low-pressure gas compartments are filled with dry air or nitrogen with 0 to 0.1MPa gauge pressure; and all high-pressure gas compartments are filled with dry air or nitrogen with 0.15 to 0.6MPa gauge pressure. The tank type high voltage vacuum circuit breaker with the three-phase common structure has the advantages that dry air or nitrogen is used as the insulation medium; the vacuum interrupters are used for breaking and the three-phase common structure is used; the structure is compact; the volume is small; the tank type high voltage vacuum circuit breaker is safe and protects the environment; and compared with a tank type high voltage vacuum circuit breaker which uses a three-phase independent separation structure and requires three tank bodies, the production material and manufacturing cost of the tank body are saved, the installation space is saved, and the difficulty of field installation is reduced.
Description
Technical field
The utility model belongs to high voltage electrical apparatus technical field, particularly in the high-voltage system with a kind of tank type high-pressure vacuum circuit breaker with three-phase combined type structure of dry air or nitrogen gas insulating.
Background technology
Existing primary cut-out product adopts sulphur hexafluoride to cut-off medium as electric insulation and circuit more, and a large amount of uses of sulphur hexafluoride can produce pollution to environment.For these reasons, the circuit that cut-offs that adopts vacuum to cut-off technology has obtained application in the high voltage field gradually.In the prior art, be a kind of outdoor high-voltage vacuum breaker of 03133431.8 Patent Application Publication such as application number, it does not use sulfur hexafluoride gas to do insulation gas, but the technical scheme that it is taked is to be filled with a kind of fluid silicone rubber dielectric in the arc control device outside, forms solid-state silicon rubber insulation body after the cooling, this silicon rubber insulation body is enclosed in admittedly with arc control device, complex manufacturing technology especially when arc control device break down, can't be changed separately arc control device.A kind of high-pressure vacuum breaker that Nippon AE Pava Co., Ltd. produces; it does not use sulfur hexafluoride gas to do insulation gas yet; but; the technical scheme that it is taked is that vacuum interrupter is directly installed in the insulating gas of high pressure; vacuum interrupter directly is in the high-pressure gas; therefore the vacuum interrupter pressure-bearing is very high; so just increased the manufacture difficulty of vacuum interrupter; in order to solve the above-mentioned problem of stating; the application number that the applicant proposes a kind of tank type high-pressure vacuum circuit breaker that has been 201110327141.0 Patent Application Publication; vacuum interrupter and operation insulating bar are installed in the low pressure gas compartment of sealing; vacuum interrupter is operated in the gas of dry air that gauge pressure is 0～0.1MPa or the such low-pressure of nitrogen; thereby vacuum interrupter and bellows have effectively been protected; and the gauge pressure that is filled with in the high-pressure gas compartment is 0.15～0.6MPa dry air or nitrogen; hyperbar has guaranteed again the insulation property of circuit breaker; so just not needing to re-use sulfur hexafluoride gas does insulation gas; also reduced simultaneously the manufacture difficulty of vacuum interrupter; and; having solved with dry air or nitrogen as dielectric simultaneously, solved the removable technical problem of vacuum interrupter.But said structure is only applicable to independently situation of three-phase, and need to connect respectively, and assembly difficulty is larger, and in actual use, floor space is also larger.
Summary of the invention
Technical problem to be solved in the utility model is, overcomes the deficiencies in the prior art part, and a kind of tank type high-pressure vacuum circuit breaker with three-phase combined type structure with dry air or nitrogen gas insulating is provided.
The technical solution adopted in the utility model comprises tank body, be provided with 3 pairs of line outlets on tank body top, 3 vacuum interrupters are installed in tank body, at 3 outdoor large insulating cylinders of making of epoxy resin that all are equipped with of vacuum extinction, two ends, 3 large insulating cylinder left and right sides are separately installed with left bucking electrode and right bucking electrode, the left end of each left bucking electrode is installed little insulating cylinder, the operation insulating bar is installed in little insulating cylinder, cavity between described vacuum interrupter and the large insulating cylinder and little insulating cylinder are connected with cavity between the operation insulating bar and form the low-pressure gas compartment of sealing, and the cavity between 3 large insulating cylinders and 3 little insulating cylinders and the tank body forms the gases at high pressure compartment that seals.
Be filled with dry air or nitrogen that gauge pressure is 0～0.1MPa in described low-pressure gas compartment, being filled with gauge pressure in described gases at high pressure compartment is 0.15～0.6MPa dry air or nitrogen.
Compared with prior art, the beneficial effects of the utility model are, 3 vacuum interrupters are A, B, C three-phase absolute construction, every phase all is installed in the low-pressure gas compartment, again the three-phase low-voltage gas cells is packed in 1 tank body, be filled with hyperbar in the tank body, realize employing dry air or nitrogen as dielectric, adopted vacuum interrupter to cut-off and the three-phase combined type structure, thereby compact conformation, safety and environmental protection, and volume is little, for the tank type high-pressure vacuum circuit breaker that adopts three-phase independent separate body structure needs 3 tank bodies, and making material and the manufacturing cost of having saved tank body, also save installing space, reduced field erected difficulty.
Description of drawings
Fig. 1 is structural representation of the present utility model,
Fig. 2 is the A-A cutaway view of Fig. 1,
Fig. 3 is use state scheme of installation of the present utility model.
Among the figure:
1. operation insulating bar, 2. tank body,
3. left bucking electrode, 4. large insulating cylinder,
5. vacuum interrupter, 6. right bucking electrode,
7. post insulator, 8. pressure relief device,
9. connection bus, 10. gases at high pressure compartment,
11. the low-pressure gas compartment, 12. little insulating cylinders
13. outlet casing tube, 14. current transformers,
15. operating mechanism, 16. supports.
Embodiment
Provide embodiment of the present utility model below in conjunction with accompanying drawing.
As depicted in figs. 1 and 2, the utility model comprises 1 cast-in-block circle tube tank body 2, be provided with 3 pairs of line outlets on tank body 2 tops, at tank body 2 interior even distributing installations triangular in shape 3 vacuum interrupters 5 are arranged, 3 vacuum interrupters are A, B, C three-phase absolute construction, the large insulating cylinder 4 of making of epoxy resin all is housed outside 3 vacuum interrupters 5, two ends, 3 large insulating cylinder 4 left and right sides are separately installed with left bucking electrode 3 and right bucking electrode 6, the left end of each left bucking electrode 3 is installed little insulating cylinder 12, operation insulating bar 1 is installed in little insulating cylinder 12, cavity between described vacuum interrupter 5 and the large insulating cylinder 4 and little insulating cylinder 12 are connected with cavity between the operation insulating bar 1 and form the low-pressure gas compartment 11 that seals, cavity between 3 large insulating cylinders 4 and 3 little insulating cylinders 12 and the tank body 2 forms the gases at high pressure compartment 10 of sealing, 3 vacuum interrupter 5 left ends are mounted on the operation insulating bar 1 in the little insulating cylinder 12, right-hand member is fixed on the post insulator 7, be connected with respectively connection bus 9 at left bucking electrode 3 and right bucking electrode 6 outer upper end, pressure relief device 8 is installed on tank body 2 right sides.
Be filled with dry air or nitrogen that gauge pressure is 0～0.1MPa in described low-pressure gas compartment 11, being filled with gauge pressure in described gases at high pressure compartment 10 is 0.15～0.6MPa dry air or nitrogen.
As shown in Figure 3, during use, tank body 2 of the present utility model is installed on the support 16 with the accumbency form, and the left end of tank body 2 is connected with operating mechanism 15 by operation insulating bar 1
,Current transformer 14 respectively is installed about the top of tank body 2, the upper end of current transformer 14 is connected with outlet casing tube 13, during breaker closing, the moving contact that operating mechanism 15 drives 3 vacuum interrupters 5 simultaneously moves right, the dynamic/static contact contact realizes closing a floodgate, and electric current is flowed into by the outlet casing tube 13 in left side, and the connection bus 9 through the left side flow to left bucking electrode 3, flow to right bucking electrode 6 through vacuum interrupter 5 again, the connection bus 9 through the right side flow to right side outlet casing tube 13; During separating brake, the moving contact that operating mechanism 15 drives vacuum interrupter 5 is to left movement, and the dynamic/static contact contact separation realizes separating brake.
Claims (2)
1. tank type high-pressure vacuum circuit breaker with three-phase combined type structure, comprise tank body (2), it is characterized in that, be provided with 3 pairs of line outlets on tank body (2) top, 3 vacuum interrupters (5) are installed in tank body (2), the large insulating cylinder (4) of making of epoxy resin all is housed outside 3 vacuum interrupters (5), 3 large insulating cylinders (4) two ends, the left and right sides are separately installed with left bucking electrode (3) and right bucking electrode (6), the left end of each left bucking electrode (3) is installed little insulating cylinder (12), operation insulating bar (1) is installed in little insulating cylinder (12), cavity between described vacuum interrupter (5) and the large insulating cylinder (4) and little insulating cylinder (12) are connected with cavity between the operation insulating bar (1) and form the low-pressure gas compartment (11) of sealing, the gases at high pressure compartment (10) that the cavity formation between 3 large insulating cylinders (4) and 3 little insulating cylinders (12) and the tank body (2) seals.
2. described a kind of tank type high-pressure vacuum circuit breaker with three-phase combined type structure according to claim 1, it is characterized in that, be filled with dry air or nitrogen that gauge pressure is 0～0.1MPa in described low-pressure gas compartment (11), being filled with gauge pressure in described gases at high pressure compartment (10) is 0.15～0.6MPa dry air or nitrogen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202186622U CN202712037U (en) | 2012-05-16 | 2012-05-16 | Tank type high voltage vacuum circuit breaker with three-phase common structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202186622U CN202712037U (en) | 2012-05-16 | 2012-05-16 | Tank type high voltage vacuum circuit breaker with three-phase common structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202712037U true CN202712037U (en) | 2013-01-30 |
Family
ID=47592315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012202186622U Expired - Fee Related CN202712037U (en) | 2012-05-16 | 2012-05-16 | Tank type high voltage vacuum circuit breaker with three-phase common structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202712037U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106469627A (en) * | 2015-08-19 | 2017-03-01 | 厦门华电开关有限公司 | Can phase selection operation switching device |
| CN113745020A (en) * | 2021-09-26 | 2021-12-03 | 苏州兰姆达电气有限公司 | C-GIS miniaturized high-voltage vacuum circuit breaker |
| CN113745042A (en) * | 2021-09-07 | 2021-12-03 | 南京南瑞继保电气有限公司 | Multi-fracture tank type high-voltage quick circuit breaker |
-
2012
- 2012-05-16 CN CN2012202186622U patent/CN202712037U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106469627A (en) * | 2015-08-19 | 2017-03-01 | 厦门华电开关有限公司 | Can phase selection operation switching device |
| CN106469627B (en) * | 2015-08-19 | 2020-01-10 | 厦门华电开关有限公司 | Switch device capable of selecting phase operation |
| CN113745042A (en) * | 2021-09-07 | 2021-12-03 | 南京南瑞继保电气有限公司 | Multi-fracture tank type high-voltage quick circuit breaker |
| CN113745020A (en) * | 2021-09-26 | 2021-12-03 | 苏州兰姆达电气有限公司 | C-GIS miniaturized high-voltage vacuum circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Tank type high voltage vacuum circuit breaker with three-phase common structure Effective date of registration: 20171227 Granted publication date: 20130130 Pledgee: Shengjing bank Limited by Share Ltd in Shenyang city Shenhe branch Pledgor: Shenyang HuaDe High-tech Electric Co., Ltd. Registration number: 2017210000027 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20200609 Granted publication date: 20130130 Pledgee: Shengjing bank Limited by Share Ltd. in Shenyang city Shenhe branch Pledgor: SHENYANG HUADE HIGH TECHNOLOGY ELECTRIC Co.,Ltd. Registration number: 2017210000027 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130130 Termination date: 20210516 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |