CN216288165U - Outdoor vacuum circuit breaker - Google Patents
Outdoor vacuum circuit breaker Download PDFInfo
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- CN216288165U CN216288165U CN202123024016.0U CN202123024016U CN216288165U CN 216288165 U CN216288165 U CN 216288165U CN 202123024016 U CN202123024016 U CN 202123024016U CN 216288165 U CN216288165 U CN 216288165U
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- circuit breaker
- insulating
- vacuum circuit
- fixedly connected
- outdoor vacuum
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Abstract
The utility model discloses an outdoor vacuum circuit breaker which comprises a mechanism box and three groups of connecting ends, wherein the three groups of connecting ends are identical in structure, the three groups of connecting ends are arranged at the top of the mechanism box, a connecting plate is fixedly connected inside the mechanism box, the bottom of the connecting plate extends to the outer side of the bottom of the mechanism box, the bottom of the connecting plate is fixedly connected with a power transformation box body, and each connecting end comprises a wire inlet end, a first insulating barrel, a second insulating barrel, a wire outlet end, a current transformer and a lightning arrester. This kind of outdoor vacuum circuit breaker through the insulating bucket two of installing additional at the top of insulating bucket one, can increase the length of link, makes insulating bucket and inside hollow tube height increase, increases insulating distance, conveniently uses in high altitude area, reduces the influence that high altitude produced transmission line.
Description
Technical Field
The utility model relates to the technical field of circuit breakers, in particular to an outdoor vacuum circuit breaker.
Background
The vacuum circuit breaker is named because arc extinguishing media and insulating media of contact gaps after arc extinguishing are high vacuum; the arc extinguishing device has the advantages of small volume, light weight, suitability for frequent operation and no need of maintenance for arc extinguishing, and is relatively popularized in power distribution networks. The vacuum circuit breaker can be used for protecting and controlling electrical equipment in industrial and mining enterprises, power plants and transformer substations, is particularly suitable for use places requiring no oil, less maintenance and frequent operation, and can be arranged in a middle cabinet, a double-layer cabinet and a fixed cabinet to be used for controlling and protecting high-voltage electrical equipment.
The conventional vacuum circuit breaker has a small internal insulation distance, and the normal use effect is influenced in a high-altitude area. We have therefore made an improvement to this, and propose an outdoor vacuum circuit breaker.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the utility model provides the following technical scheme:
the utility model discloses an outdoor vacuum circuit breaker which comprises a mechanism box and three groups of connecting ends, wherein the three groups of connecting ends are identical in structure, the three groups of connecting ends are installed at the top of the mechanism box, a connecting plate is fixedly connected inside the mechanism box, the bottom of the connecting plate extends to the outer side of the bottom of the mechanism box, a power transformation box body is fixedly connected at the bottom of the connecting plate, and the connecting ends comprise a wire inlet end, a first insulating barrel, a second insulating barrel, a wire outlet end, a current transformer and a lightning arrester.
As a preferred technical scheme of the utility model, the bottom of the wire inlet end is connected with the top flange of the insulating barrel through a flange plate, and the bottom of the insulating barrel is connected with the top of the current transformer through a flange plate flange.
As a preferred technical scheme of the utility model, the bottom of the current transformer is connected with the top of the second insulating barrel through a flange plate flange, and the bottom of the second insulating barrel is connected with the top of the mechanism box through a flange plate flange.
As a preferred technical scheme of the present invention, the wire outlet end is disposed at one side of the current transformer, the other side of the current transformer is fixedly connected with a connection angle piece, one end of the connection angle piece is fixedly connected with the top of the lightning arrester through a bolt, and the bottom of the lightning arrester is fixedly connected with the bottom of the mechanism box through a bolt.
As a preferred technical scheme of the utility model, a plurality of vacuum tubes are arranged in the first insulating barrel and the second insulating barrel, and a linkage assembly for automatically cutting off and transmitting power is arranged in the mechanism box.
As a preferred technical scheme of the present invention, a transformer is disposed inside the transformer box, and the bottom of the connection board is fixedly connected to an output end of the top of the transformer.
As a preferred technical solution of the present invention, the first insulating barrel and the second insulating barrel are both in a porcelain bottle screw thread structure, and a sensor for detecting current is disposed inside the current transformer.
The utility model has the beneficial effects that:
1. according to the outdoor vacuum circuit breaker, the length of the connecting end can be increased by additionally arranging the second insulating barrel on the top of the first insulating barrel, so that the heights of the insulating barrel and the inner hollow pipe are increased, the insulating distance is increased, the outdoor vacuum circuit breaker can be conveniently used in a high-altitude area, and the influence of high altitude on a power transmission line is reduced;
2. according to the outdoor vacuum circuit breaker, the connecting plate can be directly extended into the transformer box body and connected with the transformer in the transformer box body, so that the convenience of the mounting structure is improved, the working efficiency is improved, the stability of the mounting structure is improved, and the service life is prolonged;
3. this kind of outdoor vacuum circuit breaker can protect this vacuum circuit breaker through the arrester that sets up, improves the security that this circuit breaker used.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:
fig. 1 is a schematic front view of an outdoor vacuum circuit breaker according to the present invention;
fig. 2 is a schematic side view of an outdoor vacuum circuit breaker of the present invention;
fig. 3 is an enlarged schematic view of a connection terminal of an outdoor vacuum circuit breaker according to the present invention.
In the figure: 1. a mechanism box; 2. a connecting end; 3. a connecting plate; 4. a transformer box body; 5. a wire inlet end; 6. a first insulating barrel; 7. a second insulating barrel; 8. a wire outlet end; 9. a current transformer; 10. a lightning arrester; 11. and connecting the corner pieces.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Example (b): as shown in fig. 1-3, the outdoor vacuum circuit breaker of the present invention comprises a mechanism box 1 and three groups of connection ends 2, wherein the three groups of connection ends 2 have the same structure, the three groups of connection ends 2 are installed on the top of the mechanism box 1, a connection plate 3 is fixedly connected inside the mechanism box 1, the bottom of the connection plate 3 extends to the outside of the bottom of the mechanism box 1, the bottom of the connection plate 3 is fixedly connected with a power transformation box body 4, and the connection ends 2 comprise a wire inlet end 5, a first insulation barrel 6, a second insulation barrel 7, a wire outlet end 8, a current transformer 9 and a lightning arrester 10.
Wherein, 5 bottoms of inlet wire end lead to the ring flange and the first 6 top flange joint of insulating bucket, flange joint is passed through with the 9 tops of current transformer in the first 6 bottoms of insulating bucket, the inlet wire of power transmission line is conveniently connected through inlet wire end 5 that sets up to and can protect the inside vacuum tube of insulating bucket 6 through the insulating bucket 6 that set up, pass through flange joint through the first 6 bottoms of insulating bucket and the 9 tops of current transformer, can increase mounting structure's stability, easy to assemble.
Wherein, flange joint is passed through with two 7 tops of insulating bucket in 9 bottoms of current transformer, and flange joint is passed through with 1 top of mechanism case in two 7 bottoms of insulating bucket, can protect the vacuum tube through two 7 insulating buckets that set up to and pass through flange joint through 9 bottoms of current transformer and two 7 tops of insulating bucket, conveniently install, improve mounting structure's stability.
Wherein, leading-out terminal 8 sets up in current transformer 9 one side, 9 opposite side fixedly connected with of current transformer connects fillet 11, connect 11 one end of fillet and arrester 10 top and pass through bolt fixed connection, and the arrester 10 bottom passes through bolt fixed connection with mechanism case 1 bottom, 8 make things convenient for the power transmission line to install through the leading-out terminal that sets up, and the signal of the convenient measuring current of current transformer 9 through setting up, auto-power-off and power transmission conveniently carry out, can protect this vacuum circuit breaker through the arrester 10 that sets up, the security that this circuit breaker used improves.
Wherein, insulating bucket 6 and insulating bucket two 7 are inside all to be provided with a plurality of vacuum tube, and mechanism case 1 is inside to be provided with the linkage subassembly that is used for automatic disconnected power transmission, through all being provided with a plurality of vacuum tube in insulating bucket 6 and insulating bucket two 7 are inside, can improve the circulation efficiency of the inside electric current of this circuit breaker, makes things convenient for circuit current's transport, through the inside linkage subassembly that is used for automatic disconnected power transmission that is provided with of mechanism case 1, makes things convenient for this vacuum circuit breaker to carry out auto-power-off and power transmission.
Wherein, the inside transformer that is provided with of transformer box 4, the output fixed connection at 3 bottoms of connecting plate and transformer top can play circuit connection's effect through the connecting plate 3 that sets up, and the convenience is inside directly introducing the electric current of transformer to link 2.
Wherein, insulating bucket 6 and insulating bucket two 7 all are vase screw thread column structure, and current transformer 9 is inside to be provided with the sensor that is used for measuring current, all can increase this vacuum circuit breaker's life through insulating bucket 6 and insulating bucket two 7 for vase screw thread column structure, and conveniently install, prevent to take place the corrosion of corrosion.
The working principle is as follows: when in use, the bottom of the wire inlet end 5 is connected with the top of the first insulating barrel 6 through a flange plate, the bottom of the first insulating barrel 6 is connected with the top of the current transformer 9 through a flange plate flange, the bottom of the current transformer 9 is connected with the top of the second insulating barrel 7 through a flange plate flange, the bottom of the second insulating barrel 7 is connected with the top of the mechanism box 1 through a flange plate flange, one end of the connecting angle piece 11 is fixedly connected with the top of the lightning arrester 10 through a bolt, the bottom of the lightning arrester 10 is fixedly connected with the bottom of the mechanism box 1 through a bolt, the second insulating barrel 7 additionally arranged on the top of the first insulating barrel 6 can increase the length of the connecting end 2, increase the height of the insulating barrel and the hollow pipe inside, increase the insulating distance, facilitate the use in a high-altitude area and reduce the influence of high altitude on a transmission line, finally, one end of the connecting plate 3 is arranged inside the mechanism box 1, and the other end is fixedly connected with the output end of the top of the transformer inside the transformer box body 4, and the communication of the power circuit is realized.
Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides an outdoor vacuum circuit breaker, includes mechanism case (1) and three link (2) of group, its characterized in that, three groups link (2) structure is the same, and three groups link (2) install in mechanism case (1) top, the inside fixedly connected with connecting plate (3) of mechanism case (1), connecting plate (3) bottom extends to the mechanism case (1) bottom outside, connecting plate (3) bottom fixedly connected with transformer box body (4), link (2) include inlet wire end (5), insulating bucket (6), insulating bucket two (7), leading-out terminal (8), current transformer (9) and arrester (10).
2. An outdoor vacuum circuit breaker according to claim 1, characterized in that the bottom of the incoming line terminal (5) is flanged to the top of the first insulating barrel (6), and the bottom of the first insulating barrel (6) is flanged to the top of the current transformer (9).
3. An outdoor vacuum circuit breaker according to claim 1, characterized in that the bottom of the current transformer (9) is connected with the top of the second insulating barrel (7) through a flange, and the bottom of the second insulating barrel (7) is connected with the top of the mechanism box (1) through a flange.
4. An outdoor vacuum circuit breaker according to claim 1, characterized in that the outlet terminal (8) is arranged at one side of the current transformer (9), the other side of the current transformer (9) is fixedly connected with a connection angle piece (11), one end of the connection angle piece (11) is fixedly connected with the top of the lightning arrester (10) through a bolt, and the bottom of the lightning arrester (10) is fixedly connected with the bottom of the mechanism box (1) through a bolt.
5. An outdoor vacuum circuit breaker according to claim 1, characterized in that a plurality of vacuum tubes are arranged inside the first insulating barrel (6) and the second insulating barrel (7), and a linkage assembly for automatically cutting off power transmission is arranged inside the mechanism box (1).
6. An outdoor vacuum circuit breaker according to claim 1, characterized in that a transformer is arranged inside the transformer tank (4), and the bottom of the connecting plate (3) is fixedly connected with the output end of the top of the transformer.
7. An outdoor vacuum circuit breaker according to claim 1, characterized in that the first insulating barrel (6) and the second insulating barrel (7) are both of porcelain bottle screw-thread structure, and the current transformer (9) is internally provided with a sensor for detecting current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123024016.0U CN216288165U (en) | 2021-12-02 | 2021-12-02 | Outdoor vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123024016.0U CN216288165U (en) | 2021-12-02 | 2021-12-02 | Outdoor vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216288165U true CN216288165U (en) | 2022-04-12 |
Family
ID=81043015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123024016.0U Active CN216288165U (en) | 2021-12-02 | 2021-12-02 | Outdoor vacuum circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216288165U (en) |
-
2021
- 2021-12-02 CN CN202123024016.0U patent/CN216288165U/en active Active
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