CN205211657U - 72. 5kV outdoor high voltage SF6 circuit breaker - Google Patents
72. 5kV outdoor high voltage SF6 circuit breaker Download PDFInfo
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- CN205211657U CN205211657U CN201520888872.6U CN201520888872U CN205211657U CN 205211657 U CN205211657 U CN 205211657U CN 201520888872 U CN201520888872 U CN 201520888872U CN 205211657 U CN205211657 U CN 205211657U
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- crossbeam
- insulator
- connecting rod
- turning arm
- connecting lever
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Abstract
The utility model discloses a 72.5kV outdoor high voltage SF6 circuit breaker, including explosion chamber, insulator, support, mechanism's case, crossbeam, outer turning arm a, connecting rod, outer turning arm b, the insulator has threely, and the equidistance is vertical to be installed on the crossbeam, the explosion chamber has threely, the vertical installation in three insulator upper end respectively, outer turning arm a has one, and outer turning arm b has two, and the switch bottom three insulator is connected respectively, the crossbeam is installed on the support, mechanism's case is installed on the crossbeam, the output connecting rod and the outer turning arm an one end of mechanism's case are connected, the outer turning arm an other end passes through the connecting rod and is connected with two outer turning arm b. The utility model discloses a self energy arc extinguishing principle, the light -duty spring operating mechanism of adapted has the high ability of cut -offfing, little operating power, characteristics such as high reliability.
Description
Technical field
The utility model relates to a kind of high-voltage switch electric appliance, particularly relates to a kind of outdoor high-voltage alternating current circuit breaker.
Background technology
SF6 circuit breaker to refer to sulfur hexafluoride gas as arc extinguishing and dielectric, has to cut-off that capacity is large, insulation level advantages of higher, in high pressure and the extensive use of superhigh pressure field.When circuit breaker runs, three pole SF6 gases are interconnected by alternate tracheae, adopt pointer type density relay protect its gas pressure and monitor.This kind of outdoor high-voltage alternating-current sulfur hexafluoride circuit breaker is applicable to exchange in the electric power system of 50Hz, 72.5kV, is the control and protection equipment of electric power system, also can be used as network interconnecting circuit and uses.
Utility model content
The utility model aims to provide a kind of novel breaker, and using SF6 gas as insulation and arc-extinguishing medium, adopt self-energy quenching arc principle, adapted light spring operating mechanism, has high connecting-disconnecting function, little operating work, the features such as high reliability.
For achieving the above object, the technical solution adopted in the utility model is as follows:
A kind of 72.5kV outdoor high-voltage alternating current SF6 circuit breaker disclosed in the utility model, comprise arc control device, insulator, support, mechanism case, crossbeam, outer connecting lever a, connecting rod, outer connecting lever b, described insulator has three, equidistantly vertically be arranged on crossbeam, described arc control device have three, vertically be arranged on three insulator upper ends respectively, described outer connecting lever a has one, outer connecting lever b has two, be connected with the switch bottom three insulators respectively, described crossbeam is rack-mount, described mechanism case is arranged on crossbeam, the output connecting rod of described mechanism case is connected with outer connecting lever a one end, the described outer connecting lever a other end is connected with two outer connecting lever b by connecting rod.
Preferably, described mechanism case is built with CT30 spring operating mechanism, control unit, deciliter instruction, counting, heating and auxiliary equipment, and described output connecting rod is connected with CT30 spring operating mechanism.
Preferably, also comprise densitometer, described densitometer is arranged on crossbeam.
The utility model has following beneficial effect:
1., using SF6 gas as insulation and arc-extinguishing medium, adopt self-energy quenching arc principle, insulation system is simple;
2. adapted light spring operating mechanism, has high connecting-disconnecting function, little operating work, the features such as high reliability;
3. densitometer can monitor the density of SF6 gas, ensures arc quenching effect.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
In figure: outer connecting lever a, 8-connecting rod of 1-arc control device, 2-insulator, 3-densitometer, 4-support, 5-mechanism case, 6-crossbeam, 7-, the outer connecting lever b of 9-.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with accompanying drawing, the utility model is further elaborated.
As shown in Figure 1, the utility model comprises arc control device 1, insulator 2, densitometer 3, support 4, mechanism case 5, crossbeam 6, outer connecting lever a7, connecting rod 8, outer connecting lever b9, insulator 2 has three, equidistant vertically installation on the cross beam 6, arc control device 1 have three, vertically be arranged on three insulator 2 upper ends respectively, outer connecting lever a7 has one, outer connecting lever b9 has two, be connected with the switch bottom three insulators 2 respectively, crossbeam 6 is arranged on support 4, densitometer 3 is installed on the cross beam 6, mechanism case 5 is installed on the cross beam 6, mechanism case 5 is built with CT30 spring operating mechanism, control unit, deciliter instruction, counting, heating and auxiliary equipment, export connecting rod to be connected with CT30 spring operating mechanism, the output connecting rod of mechanism case 5 is connected with outer connecting lever a7 one end, the outer connecting lever a7 other end is connected with two outer connecting lever b9 by connecting rod 8.
Certainly; the utility model also can have other various embodiments; when not deviating from the utility model spirit and essence thereof; those of ordinary skill in the art can make various corresponding change and distortion according to the utility model, but these change accordingly and are out of shape the protection range that all should belong to the claim appended by the utility model.
Claims (3)
1. a 72.5kV outdoor high-voltage alternating current SF6 circuit breaker, it is characterized in that: comprise arc control device (1), insulator (2), support (4), mechanism case (5), crossbeam (6), outer connecting lever a (7), connecting rod (8), outer connecting lever b (9), described insulator (2) has three, equidistantly vertically be arranged on crossbeam (6), described arc control device (1) have three, vertically be arranged on three insulator (2) upper ends respectively, described outer connecting lever a (7) has one, outer connecting lever b (9) has two, be connected with the switch of three insulator (2) bottoms respectively, described crossbeam (6) is arranged on support (4), described mechanism case (5) is arranged on crossbeam (6), the output connecting rod of described mechanism case (5) is connected with outer connecting lever a (7) one end, described outer connecting lever a (7) other end is connected with two outer connecting lever b (9) by connecting rod (8).
2. a kind of 72.5kV outdoor high-voltage alternating current SF6 circuit breaker according to claim 1, it is characterized in that: described mechanism case (5) is built with CT30 spring operating mechanism, control unit, deciliter instruction, counting, heating and auxiliary equipment, and described output connecting rod is connected with CT30 spring operating mechanism.
3. a kind of 72.5kV outdoor high-voltage alternating current SF6 circuit breaker according to claim 1, it is characterized in that: also comprise densitometer (3), described densitometer (3) is arranged on crossbeam (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520888872.6U CN205211657U (en) | 2015-11-09 | 2015-11-09 | 72. 5kV outdoor high voltage SF6 circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520888872.6U CN205211657U (en) | 2015-11-09 | 2015-11-09 | 72. 5kV outdoor high voltage SF6 circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205211657U true CN205211657U (en) | 2016-05-04 |
Family
ID=55849356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520888872.6U Active CN205211657U (en) | 2015-11-09 | 2015-11-09 | 72. 5kV outdoor high voltage SF6 circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205211657U (en) |
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2015
- 2015-11-09 CN CN201520888872.6U patent/CN205211657U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |