CN219393258U - Circuit breaker, air chamber and looped netowrk cabinet - Google Patents
Circuit breaker, air chamber and looped netowrk cabinet Download PDFInfo
- Publication number
- CN219393258U CN219393258U CN202223422761.5U CN202223422761U CN219393258U CN 219393258 U CN219393258 U CN 219393258U CN 202223422761 U CN202223422761 U CN 202223422761U CN 219393258 U CN219393258 U CN 219393258U
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- circuit breaker
- connecting portion
- busbar
- vacuum arc
- insulating pull
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Abstract
The utility model discloses a circuit breaker, an air chamber and a ring main unit, wherein the circuit breaker comprises: a housing; the three vacuum arc-extinguishing chambers are sequentially arranged in the shell along the horizontal direction, a busbar is arranged on the vacuum arc-extinguishing chambers, one end of the busbar is downwards arranged and connected with the vacuum arc-extinguishing chambers, and the other end of the busbar is upwards arranged and used for being connected with the isolating switch; three insulating pull rods are sequentially arranged in the shell along the horizontal direction, one end of each insulating pull rod is connected with the vacuum arc extinguishing chamber, and the other end of each insulating pull rod is connected with the transmission mechanism. So set up, with three vacuum interrupter level arrangement, and insulating pull rod level arrangement for electrified high-voltage part and circuit breaker's mechanical part, drive mechanism part are separated by insulating pull rod promptly, improve the security, and the female row of connection on the vacuum interrupter of level arrangement's the while simple structure is upper and lower formula and distributes, and the structure of three female row is unanimous, sets up succinctly, and can reduce the size of looped netowrk cabinet.
Description
Technical Field
The utility model relates to the technical field of ring main units, in particular to a circuit breaker, an air chamber and a ring main unit.
Background
A circuit breaker refers to a switching device capable of closing, carrying and opening a current under normal circuit conditions and closing, carrying and opening a current under abnormal circuit conditions within a prescribed time.
In the existing circuit breaker structure, the electrified high-voltage part is relatively close to the mechanical part of the circuit breaker, meanwhile, the arrangement structure of the circuit breaker structure leads to complex busbar structure, further, the processing procedure is increased, and the size of the ring main unit shell is increased.
Disclosure of Invention
The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the circuit breaker, so that the safety between the electrified high-voltage part and the mechanical part of the circuit breaker is improved, and the busbar arrangement is concise.
The utility model also provides a gas chamber with the circuit breaker.
The utility model further provides a ring main unit with the air chamber.
A circuit breaker according to an embodiment of the first aspect of the present utility model includes:
a housing;
the three vacuum arc-extinguishing chambers are sequentially arranged in the shell along the horizontal direction, a busbar is arranged on the vacuum arc-extinguishing chambers, one end of the busbar is downwards arranged and connected with the vacuum arc-extinguishing chambers, and the other end of the busbar is upwards arranged and used for being connected with the isolating switch;
three insulating pull rods are sequentially arranged in the shell along the horizontal direction, one end of each insulating pull rod is connected with the vacuum arc extinguishing chamber, and the other end of each insulating pull rod is connected with the transmission mechanism.
A circuit breaker according to the first aspect of the embodiment of the utility model has at least the following advantages: the three vacuum arc-extinguishing chambers are horizontally arranged, the insulating pull rod is horizontally arranged, the mechanical parts of the electrified high-voltage part and the circuit breaker, namely the transmission mechanism part, are separated by the insulating pull rod, the safety is improved, meanwhile, the busbar connected to the horizontally arranged vacuum arc-extinguishing chambers is simple in structure and distributed up and down, the three busbar is consistent in structure, the arrangement is concise, and the size of the ring main unit can be reduced.
According to some embodiments of the utility model, the busbar comprises a first connecting portion, a second connecting portion and a third connecting portion, the second connecting portion is horizontally arranged and is consistent with the direction of the vacuum arc-extinguishing chamber, the first connecting portion and the third connecting portion are respectively arranged at two ends of the second connecting portion and are respectively arranged on the upper surface and the lower surface of the second connecting portion, the first connecting portion is used for connecting the isolating switch, and the third connecting portion is connected with the vacuum arc-extinguishing chamber.
According to some embodiments of the utility model, the housing is an epoxy part.
According to some embodiments of the utility model, a partition plate is arranged between every two adjacent vacuum arc-extinguishing chambers, and the partition plate is an epoxy resin product.
According to some embodiments of the utility model, the transmission mechanism comprises a driving member, a linkage shaft and three transmission members, wherein the three transmission members are all arranged on the linkage shaft and are respectively connected with the insulating pull rod, and the driving member is used for driving the linkage shaft to displace, so that the three transmission members are driven to displace the insulating pull rod.
A gas cell according to an embodiment of the second aspect of the utility model has a circuit breaker as described above.
An embodiment according to the third aspect of the utility model is a ring main unit having an air chamber as described above.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
fig. 1 is a schematic structural diagram of a circuit breaker according to an embodiment of the present utility model.
A housing 100, a partition 110;
the vacuum interrupter 200, the busbar 210, the first connection portion 211, the second connection portion 212, the third connection portion 213;
an insulating tie rod 300;
the driving mechanism 400, the driving member 410, the linkage shaft 420 and the driving member 430.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
Referring to fig. 1, a circuit breaker according to an embodiment of a first aspect of the present utility model includes a housing 100; three vacuum arc-extinguishing chambers 200 are sequentially arranged in the shell 100 along the horizontal direction, a busbar 210 is arranged on the vacuum arc-extinguishing chambers 200, one end of the busbar 210 is downwards arranged and connected with the vacuum arc-extinguishing chambers 200, and the other end is upwards arranged and used for being connected with an isolating switch; three insulating pull rods 300 are sequentially arranged in the shell 100 along the horizontal direction, one end of each insulating pull rod 300 is connected with the vacuum arc extinguishing chamber 200, and the other end is connected with the transmission mechanism 400.
A circuit breaker according to the first aspect of the embodiment of the utility model has at least the following advantages: the three vacuum arc-extinguishing chambers 200 are horizontally arranged, and the insulating pull rod 300 is horizontally arranged, so that the charged high-voltage part and the mechanical part of the circuit breaker, namely the transmission mechanism 400 part, are separated by the insulating pull rod 300, the safety is improved, meanwhile, the busbar 210 connected to the horizontally arranged vacuum arc-extinguishing chambers 200 is simple in structure and distributed up and down, the three busbar 210 is consistent in structure, the arrangement is concise, and the size of the ring main unit can be reduced.
According to some embodiments of the present utility model, referring to fig. 1, a busbar 210 includes a first connection portion 211, a second connection portion 212 and a third connection portion 213, the second connection portion 212 is horizontally arranged and is consistent with the orientation of the vacuum interrupter 200, the first connection portion 211 and the third connection portion 213 are respectively disposed at two ends of the second connection portion 212 and are respectively disposed on the upper and lower surfaces of the second connection portion 212, the first connection portion 211 is used for connecting a disconnecting switch, the third connection portion 213 is connected with the vacuum interrupter 200, the busbar 210 in this embodiment has a simple structure, a simple processing technology, and three busbars 210 have a consistent structure, and compared with the busbar 210 in a circuit breaker in a vertical arrangement, the busbar 210 in this embodiment has internal stress problems caused by complex structure or complex processing procedures.
According to some embodiments of the present utility model, the case 100 is an epoxy resin member, and the epoxy resin is an insulating material, so that the vacuum interrupter 200 can be well insulated.
According to some embodiments of the present utility model, referring to fig. 1, a barrier 110 is provided between each two adjacent vacuum interrupters 200, the barrier 110 is an epoxy resin member, and the adjacent vacuum interrupters 200 are insulated from each other by the barrier 110 made of epoxy resin.
According to some embodiments of the present utility model, referring to fig. 1, the transmission mechanism 400 includes a driving member 410, a linkage shaft 420 and three transmission members 430, wherein the three transmission members 430 are all disposed on the linkage shaft 420 and are respectively connected with the insulation pull rod 300, the driving member 410 is used for driving the linkage shaft 420 to displace, so as to drive the three transmission members 430 to displace, and the linkage shaft 420 drives the three transmission members 430 to simultaneously move, so that the three insulation pull rods 300 are simultaneously operated, and independent operation of three switches is not required, so that the operation is simple and convenient.
A gas cell according to an embodiment of the second aspect of the utility model has a circuit breaker as above.
An embodiment of the third aspect of the utility model is a ring main unit having an air chamber as described above.
The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.
Claims (7)
1. A circuit breaker, comprising:
a housing;
the three vacuum arc-extinguishing chambers are sequentially arranged in the shell along the horizontal direction, a busbar is arranged on the vacuum arc-extinguishing chambers, one end of the busbar is downwards arranged and connected with the vacuum arc-extinguishing chambers, and the other end of the busbar is upwards arranged and used for being connected with the isolating switch;
three insulating pull rods are sequentially arranged in the shell along the horizontal direction, one end of each insulating pull rod is connected with the vacuum arc extinguishing chamber, and the other end of each insulating pull rod is connected with the transmission mechanism.
2. The circuit breaker according to claim 1, wherein the busbar comprises a first connecting portion, a second connecting portion and a third connecting portion, the second connecting portion is horizontally arranged and is consistent with the direction of the vacuum interrupter, the first connecting portion and the third connecting portion are respectively arranged at two ends of the second connecting portion and are respectively arranged on the upper surface and the lower surface of the second connecting portion, the first connecting portion is used for connecting the isolating switch, and the third connecting portion is connected with the vacuum interrupter.
3. The circuit breaker of claim 1, wherein the housing is an epoxy resin molding.
4. A circuit breaker according to claim 2, wherein a spacer is provided between each two adjacent vacuum interrupters, the spacer being an epoxy resin member.
5. A circuit breaker according to any one of claims 1 to 4 wherein the transmission mechanism comprises a drive member, a linkage shaft and three transmission members, the three transmission members being disposed on the linkage shaft and respectively connected to the insulating tie rods, the drive member being adapted to drive the linkage shaft to displace and thereby drive the three transmission members to displace the insulating tie rods.
6. A gas cell having a circuit breaker according to any one of claims 1 to 5.
7. A ring main unit having the air chamber of claim 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223422761.5U CN219393258U (en) | 2022-12-16 | 2022-12-16 | Circuit breaker, air chamber and looped netowrk cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223422761.5U CN219393258U (en) | 2022-12-16 | 2022-12-16 | Circuit breaker, air chamber and looped netowrk cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219393258U true CN219393258U (en) | 2023-07-21 |
Family
ID=87166829
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223422761.5U Active CN219393258U (en) | 2022-12-16 | 2022-12-16 | Circuit breaker, air chamber and looped netowrk cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219393258U (en) |
-
2022
- 2022-12-16 CN CN202223422761.5U patent/CN219393258U/en active Active
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