CN219979434U - Circuit breaker solid-sealed polar pole with isolating switch fixed contact - Google Patents
Circuit breaker solid-sealed polar pole with isolating switch fixed contact Download PDFInfo
- Publication number
- CN219979434U CN219979434U CN202321062476.9U CN202321062476U CN219979434U CN 219979434 U CN219979434 U CN 219979434U CN 202321062476 U CN202321062476 U CN 202321062476U CN 219979434 U CN219979434 U CN 219979434U
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- CN
- China
- Prior art keywords
- circuit breaker
- solid
- fixed contact
- sealed pole
- static contact
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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.)
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Links
- 230000003068 static effect Effects 0.000 claims description 29
- 239000007787 solid Substances 0.000 claims description 6
- 239000003822 epoxy resin Substances 0.000 claims description 5
- 229920000647 polyepoxide Polymers 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 230000014509 gene expression Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
Abstract
The utility model provides a circuit breaker solid-sealed pole with a disconnecting switch fixed contact, which comprises an insulating shell, a bus terminal, a vacuum arc-extinguishing chamber arranged in the insulating shell, and further comprises the disconnecting switch fixed contact extending out of the insulating shell, wherein the vacuum arc-extinguishing chamber comprises a fixed end and a movable end which are positioned at two ends of the vacuum arc-extinguishing chamber, the bus terminal is connected with the fixed end of the vacuum arc-extinguishing chamber, the movable end of the vacuum arc-extinguishing chamber is provided with a conducting rod, and the conducting rod is connected with the disconnecting switch fixed contact through a conducting belt to form a vacuum arc-extinguishing chamber main conductive loop; the fixed contact of the isolating switch is connected to the solid-sealed pole of the circuit breaker and is connected with the branch bus terminal and the vacuum arc-extinguishing chamber to form a main conductive loop of the solid-sealed pole, so that the solid-sealed pole is convenient to assemble with the isolating switch, and the safety and stability of the solid-sealed pole of the circuit breaker during use are improved.
Description
Technical Field
The utility model relates to the field of high-voltage ring network cabinets, in particular to a solid-sealed pole of a circuit breaker with a fixed contact of an isolating switch.
Background
The solid-sealed polar pole is one of main components in the high-voltage circuit breaker, and is an integral component formed by simultaneously embedding a vacuum arc-extinguishing chamber and related conductive parts of the circuit breaker into a shell, wherein an outer insulating shell is made of solid insulating materials of epoxy resin, and a static terminal connecting part and a movable terminal connecting terminal are arranged on the outer insulating shell.
For example, the patent of CN210668203U issued for bulletin number provides a solid-sealed pole, which comprises a housing, wherein an upper outgoing line, a lower outgoing line, a flexible connection line and a vacuum arc-extinguishing chamber are arranged in the housing, the lower outgoing line is connected with one end of the flexible connection line, the other end of the flexible connection line is connected with the upper outgoing line through the vacuum arc-extinguishing chamber, a wiring part is arranged on the upper outgoing line, the wiring part is arranged in a space vertical to the vacuum arc-extinguishing chamber, and the top end of the wiring part is an arc surface; the utility model has the characteristics of uniform electric field distribution, difficult discharge and the like in the electrifying process.
On the basis of the conventional solid-sealed pole, the solid-sealed pole with the isolating switch fixed contact is provided, so that the safety and stability of the solid-sealed pole of the circuit breaker during use are improved, and the solid-sealed pole and other components are also convenient to assemble.
Disclosure of Invention
The utility model aims to overcome the defects and the shortcomings in the prior art and provide a solid-sealed pole of a circuit breaker with a static contact of an isolating switch, which adopts the following technical scheme:
the utility model provides a circuit breaker seals utmost point post admittedly with isolator static contact, includes insulating housing, busbar terminal, sets up the vacuum interrupter in the casing, still including extending to the outside isolator static contact of casing, the vacuum interrupter is including the static end and the moving end that are located its both ends, busbar terminal is connected with the static end of vacuum interrupter, and the moving end of vacuum interrupter is provided with the conducting rod, the conducting rod pass through the conducting strip with the isolator static contact is connected, forms and seals utmost point post leading electric circuit admittedly.
Preferably, the static contact of the isolating switch is provided with a grading ring.
Preferably, the isolating switch static contact comprises a connecting part connected with the conductive belt, wherein the upper end surface of the connecting part is an arc surface, and the arc surface is attached to the outer surface of the vacuum arc-extinguishing chamber.
Preferably, the connecting part is provided with a first connecting hole, the lower end part of the conductive belt is provided with a second connecting hole, and the conductive belt is connected with the connecting part through a connecting piece penetrating through the first connecting hole and the second connecting hole.
Preferably, the isolating switch fixed contact is provided with a through hole at one end far away from the shell, the through hole is penetrated with a connecting rod, and the equalizing rings are arranged at two ends of the connecting rod so that the equalizing rings are positioned at two sides of the isolating switch fixed contact.
Preferably, at least one end of the connecting rod is provided with a limiting part, and the limiting part is positioned at the outer side of the equalizing ring so that the equalizing ring is limited between the limiting part and the isolating switch fixed contact.
Furthermore, the bus terminal, the vacuum arc-extinguishing chamber and the isolating switch fixed contact are fixedly sealed into a whole through epoxy resin.
The beneficial effects of the utility model are as follows: the static contact of the isolating switch is connected to the solid-sealed pole of the circuit breaker, and is matched with the branch bus terminal and the vacuum arc-extinguishing chamber to form a main conductive loop of the solid-sealed pole, so that the solid-sealed pole of the circuit breaker is convenient to assemble, and the safety and stability of the solid-sealed pole of the circuit breaker during use are improved.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are required in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that it is within the scope of the utility model to one skilled in the art to obtain other drawings from these drawings without inventive faculty.
FIG. 1 is a schematic view of the appearance of example 1;
FIG. 2 is a schematic cross-sectional view of the whole structure of embodiment 1;
FIG. 3 is a top view of example 1;
FIG. 4 is a rear view of example 1;
FIG. 5 is an exploded view of the whole structure of example 1;
FIG. 6 is an exploded view of a part of the structure of example 1;
in the figure, a 1-bus terminal, a 2-isolating switch fixed contact, a 3-vacuum arc-extinguishing chamber, a 31-static end, a 32-movable end, a 4-conductive belt, a 41-second connecting hole, a 5-equalizing ring, a 51-connecting rod, a 6-connecting part and a 61-first connecting hole.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings, for the purpose of making the objects, technical solutions and advantages of the present utility model more apparent.
It should be noted that, in the embodiments of the present utility model, all the expressions "first" and "second" are used to distinguish two entities with the same name but different entities or different parameters, and it is noted that the "first" and "second" are only used for convenience of expression, and should not be construed as limiting the embodiments of the present utility model, and the following embodiments are not described one by one.
The terms of direction and position in the present utility model, such as "up", "down", "front", "back", "left", "right", "inside", "outside", "top", "bottom", "side", etc., refer only to the direction or position of the drawing. Accordingly, directional and positional terms are used to illustrate and understand the utility model and are not intended to limit the scope of the utility model.
Example 1
As shown in fig. 1-6, a solid-sealed pole of a circuit breaker with a static contact of a disconnecting switch comprises an insulating shell, a bus terminal 1, a vacuum arc-extinguishing chamber 3 arranged in the shell, and further comprises a static contact 2 of the disconnecting switch extending out of the insulating shell, wherein the vacuum arc-extinguishing chamber 3 comprises a static end 31 and a movable end 32 positioned at two ends of the vacuum arc-extinguishing chamber, the bus terminal 1 is connected with the static end 31 of the vacuum arc-extinguishing chamber 3, the movable end 32 of the vacuum arc-extinguishing chamber 3 is provided with a conducting rod, and the conducting rod is connected with the static contact 2 of the disconnecting switch through a conducting strip 4 to form a main conductive loop of the solid-sealed pole.
The isolating switch static contact 2 is provided with an equalizing ring 5, which is specifically as follows: a through hole is formed in one end, far away from the shell, of the fixed contact 2 of the isolating switch, a connecting rod 51 is arranged in a penetrating mode through the through hole, and the equalizing rings 5 are arranged at two ends of the connecting rod 51, so that the equalizing rings 5 are located at two sides of the fixed contact 2 of the isolating switch; at least one end of the connecting rod 51 is provided with a limiting part, and the limiting part is positioned outside the equalizing ring 5 to limit the equalizing ring 5 between the limiting part and the isolating switch fixed contact 2.
The isolating switch fixed contact 2 comprises a connecting part 6 connected with the conductive belt 4, wherein the upper end surface of the connecting part 6 is an arc surface which is attached to the outer surface of the vacuum arc-extinguishing chamber 3.
The connecting part 6 is provided with a first connecting hole 61, the lower end part of the conductive belt 4 is provided with a second connecting hole 41, and the conductive belt 4 and the connecting part 6 are connected by a connecting piece penetrating through the first connecting hole 61 and the second connecting hole 41.
Furthermore, the bus terminal 1, the vacuum arc-extinguishing chamber 3 and the isolating switch fixed contact 2 are fixedly sealed into a whole through epoxy resin, specifically, the solid sealed into a whole through the epoxy resin 19 by adopting an APG process, so as to form the solid sealed pole of the circuit breaker.
The foregoing disclosure is illustrative of the present utility model and is not to be construed as limiting the scope of the utility model, which is defined by the appended claims.
Claims (7)
1. The utility model provides a circuit breaker seals utmost point post admittedly with isolator static contact, includes insulating housing, busbar terminal (1), sets up vacuum interrupter (3) in insulating housing, its characterized in that: still including extending to isolator static contact (2) outside the insulating housing, vacuum interrupter (3) are including being located static end (31) and the moving end (32) at its both ends, busbar terminal (1) are connected with static end (31) of vacuum interrupter (3), and moving end (32) of vacuum interrupter (3) are provided with the conducting rod, the conducting rod pass through conducting strip (4) with isolator static contact (2) are connected.
2. The solid-sealed pole of the circuit breaker with the disconnecting switch fixed contact according to claim 1, wherein the solid-sealed pole of the circuit breaker with the disconnecting switch fixed contact is characterized in that: and the disconnecting switch static contact (2) is provided with a grading ring (5).
3. The solid-sealed pole of the circuit breaker with the disconnecting switch fixed contact according to claim 1, wherein the solid-sealed pole of the circuit breaker with the disconnecting switch fixed contact is characterized in that: the isolating switch static contact (2) comprises a connecting part (6) connected with the conductive belt (4), wherein the upper end surface of the connecting part (6) is an arc surface which is attached to the outer surface of the vacuum arc-extinguishing chamber (3).
4. A circuit breaker solid state pole with a disconnector stationary contact as claimed in claim 3, characterized in that: the connecting part (6) is provided with a first connecting hole (61), the lower end part of the conductive belt (4) is provided with a second connecting hole (41), and the conductive belt (4) is connected with the connecting part (6) through a connecting piece penetrating through the first connecting hole (61) and the second connecting hole (41).
5. The solid-sealed pole of the circuit breaker with the disconnecting switch fixed contact according to claim 2, wherein the solid-sealed pole of the circuit breaker with the disconnecting switch fixed contact is characterized in that: the isolating switch static contact (2) is far away from one end of the insulating shell and is provided with a through hole, the through hole is penetrated with a connecting rod (51), and the equalizing rings (5) are arranged at two ends of the connecting rod (51) so that the equalizing rings (5) are positioned at two sides of the isolating switch static contact (2).
6. The solid sealed pole of the circuit breaker with the disconnecting switch static contact of claim 5, wherein the solid sealed pole of the circuit breaker with the disconnecting switch static contact is characterized in that: at least one end of the connecting rod (51) is provided with a limiting part, and the limiting part is positioned outside the equalizing ring (5) so that the equalizing ring (5) is limited between the limiting part and the isolating switch fixed contact (2).
7. A solid-sealed pole for circuit breaker with a static contact of isolating switch according to any one of claims 1-6, characterized in that: the bus terminal (1), the vacuum arc-extinguishing chamber (3) and the isolating switch static contact (2) are fixedly sealed into a whole through epoxy resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321062476.9U CN219979434U (en) | 2023-04-27 | 2023-04-27 | Circuit breaker solid-sealed polar pole with isolating switch fixed contact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321062476.9U CN219979434U (en) | 2023-04-27 | 2023-04-27 | Circuit breaker solid-sealed polar pole with isolating switch fixed contact |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219979434U true CN219979434U (en) | 2023-11-07 |
Family
ID=88581957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321062476.9U Active CN219979434U (en) | 2023-04-27 | 2023-04-27 | Circuit breaker solid-sealed polar pole with isolating switch fixed contact |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219979434U (en) |
-
2023
- 2023-04-27 CN CN202321062476.9U patent/CN219979434U/en active Active
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| GR01 | Patent grant |