CN211555775U - High-voltage vacuum demarcation circuit breaker with good sealing performance - Google Patents
High-voltage vacuum demarcation circuit breaker with good sealing performance Download PDFInfo
- Publication number
- CN211555775U CN211555775U CN202020374115.8U CN202020374115U CN211555775U CN 211555775 U CN211555775 U CN 211555775U CN 202020374115 U CN202020374115 U CN 202020374115U CN 211555775 U CN211555775 U CN 211555775U
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- CN
- China
- Prior art keywords
- circuit breaker
- switching
- sealing performance
- box body
- voltage vacuum
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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.)
- Expired - Fee Related
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- 238000007789 sealing Methods 0.000 title claims abstract description 42
- 238000012423 maintenance Methods 0.000 claims abstract description 6
- 238000004146 energy storage Methods 0.000 claims abstract description 5
- 230000001681 protective effect Effects 0.000 claims description 9
- 239000003822 epoxy resin Substances 0.000 claims description 2
- 229920000647 polyepoxide Polymers 0.000 claims description 2
- 238000009434 installation Methods 0.000 description 12
- 241000256626 Pterygota <winged insects> Species 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000003245 working effect Effects 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a high-pressure vacuum boundary breaker with good sealing performance, which comprises a box body, wherein a maintenance opening is arranged in the middle of one side of the box body, the top of the maintenance opening is hinged with a sealing cover, one end of the outer side of the sealing cover is provided with a switching-off operating handle, the other end of the outer side of the sealing cover is fixed with a switching-off signboard, an energy storage operating handle is arranged between the switching-off signboard and the switching-off operating handle, and the middle of the top of the box body is fixed with an integrated board. The problem that the sealing performance of the circuit breaker is poor due to the fact that too many installing ports are formed is prevented, and the working performance stability of the circuit breaker is guaranteed.
Description
Technical Field
The utility model relates to a boundary breaker, in particular to high-pressure vacuum boundary breaker that sealing performance is good belongs to power equipment technical field.
Background
The vacuum circuit breaker is named because the arc extinguishing medium and the insulating medium of the contact gap after arc extinguishing are high vacuum, 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 is an indoor power distribution device in a 3 kV-10 kV and 50Hz three-phase alternating current system, 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 structure of current boundary circuit breaker utmost point post is split type, and split type utmost point post is installed more troublesome, and moreover and quick-witted case between the installation sealing performance lower for the circuit breaker easily receives the influence of rainwater, winged insect and damages. Therefore, the high-voltage vacuum demarcation circuit breaker with good sealing performance is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high pressure vacuum boundary circuit breaker that sealing performance is good to the structure of solving the traditional boundary circuit breaker utmost point post that proposes among the above-mentioned background art is split type, and split type utmost point post installation is more troublesome, and lower with the installation sealing performance between the quick-witted case moreover, makes the circuit breaker easily receive rainwater, winged insect influence and the problem of damage.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high pressure vacuum boundary circuit breaker that sealing performance is good, the power distribution box comprises a box body, the access hole has been seted up in the middle of box one side, the access hole top articulates there is sealed lid, divide closing operation handle is installed to sealed lid outside one end, sealed lid outside other end is fixed with the divide-shut signboard, be provided with energy storage operation handle between divide-shut signboard and the divide-shut operation handle, be fixed with the integrated circuit board in the middle of the box top, horizontal interval has the location head in the middle of the integrated circuit board, the vertical mounting hole of seting up with the inside switch-on of box in location head center, the vertical utmost point post that is fixed with in mounting hole top, electric connection has current transformer in the middle of the utmost point post outside, the peripheral lag tube that corresponds with utmost point post that is fixed.
As a preferred technical scheme of the utility model, the positioning head outside middle ring is equipped with the external screw thread portion that corresponds with the internal thread portion.
As an optimized technical scheme of the utility model, the peripheral laminating of sealed lid has the rubber seal strip who links to each other with access hole port inner wall.
As a preferred technical scheme of the utility model, mounting hole inner wall both ends symmetry is provided with the sealing washer fixed with utmost point post bottom.
As an optimal technical scheme of the utility model, location head, integrated board and box are integrated into one piece structure.
As an optimal technical scheme of the utility model, the protective casing is the epoxy material.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a high pressure vacuum boundary circuit breaker that sealing performance is good, it is simple and easy swift to have the installation comparison, and good with the installation sealing performance between the quick-witted case for the circuit breaker can not receive the rainwater, the advantage that the winged insect influences, in specific use, compare with traditional boundary circuit breaker, the utility model discloses a carry out the integral type design between location head and integrated circuit board and the box, the outstanding integrated circuit board in location head top, after utmost point post installation finishes, fix the protective sleeve in utmost point post periphery, under the cooperation of external thread portion and internal thread portion, make the protective sleeve dismouting simple and easy, and the connecting port department joint sealing washer of utmost point post and mounting hole prevents that too much installation port from causing the relatively poor problem of circuit breaker leakproofness, ensures that circuit breaker working property is stable.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the positioning head of the present invention;
in the figure: 1. a box body; 2. a switching-on/off operation handle; 3. an integrated board; 4. an energy storage operating handle; 5. a sealing cover; 6. dividing and combining the signboard; 7. an access hole; 8. a pole column; 9. a current transformer; 10. a protective sleeve; 11. positioning the head; 12. a rubber seal strip; 13. a seal ring; 14. mounting holes; 15. an external threaded portion; 16. an internal threaded portion.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the utility model provides a high-pressure vacuum boundary circuit breaker with good sealing performance, which comprises a box body 1, wherein an access hole 7 is arranged in the middle of one side of the box body 1, a sealing cover 5 is hinged on the top of the access hole 7, a switching-off operating handle 2 is arranged at one end of the outer side of the sealing cover 5, a switching-off signboard 6 is fixed at the other end of the outer side of the sealing cover 5, an energy storage operating handle 4 is arranged between the switching-off signboard 6 and the switching-off operating handle 2, an integrated board 3 is fixed in the middle of the top of the box body 1, a positioning head 11 is transversely arranged in the middle of the integrated board 3 at intervals, a mounting hole 14 communicated with the inner part of the box body 1 is vertically arranged in the center of the positioning head 11, a pole 8 is vertically fixed above the mounting hole 14, a current transformer 9 is electrically connected in the middle of the, an internal thread part 16 is arranged on the inner wall of the middle of the bottom end of the protective sleeve 10.
Preferably, the outer thread part 15 corresponding to the inner thread part 16 is arranged on the middle ring of the outer side of the positioning head 11, so that the protection sleeve 10 and the positioning head 11 can be conveniently detached, and the pole 8 can be protected from water and dust.
Preferably, the periphery of the sealing cover 5 is attached with a rubber sealing strip 12 connected with the inner wall of the port of the access hole 7, so that the circuit breaker is convenient to repair and maintain, and the waterproof sealing performance of the access hole 7 is ensured.
Preferably, 14 inner wall both ends of mounting hole are symmetrically provided with utmost point post 8 bottom fixed sealing washer 13, avoid utmost point post 8 to leave the gap with the connection port department of mounting hole 14.
Preferably, locating head 11, integrated board 3 and box 1 are the integrated into one piece structure, avoid having a plurality of installation interfaces between split type utmost point post 8 and the box 1, improve the whole leakproofness of circuit breaker.
Preferably, the protective sleeve 10 is made of epoxy resin, has good sealing performance and excellent insulating performance, and plays a role in efficiently protecting the polar column 8.
When specifically using, the utility model relates to a high pressure vacuum boundary circuit breaker that sealing performance is good, it is simple and easy swift to have the installation comparison, and with the installation sealing performance between the quick-witted case good, make the circuit breaker can not receive the rainwater, the advantage of winged insect influence, through carrying out the integral type design between head 11 and integrated circuit board 3 and the box 1 with fixing, the outstanding integrated circuit board 3 in head 11 top of location, after utmost point post 8 installation finishes, fix protection sleeve 10 in utmost point post 8 periphery, under the cooperation of external screw thread portion 15 and internal thread portion 16, make protection sleeve 10 dismouting simple and easy, and utmost point post 8 and mounting hole 14's link mouth department joint sealing washer 13, prevent too much installation port from causing the relatively poor problem of circuit breaker leakproofness, ensure circuit breaker working property stable, exempt from to receive external environment and disturb, excellent in use effect, be worth extensively promoting.
In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The high-voltage vacuum demarcation circuit breaker with good sealing performance comprises a box body (1) and is characterized in that a maintenance opening (7) is formed in the middle of one side of the box body (1), a sealing cover (5) is hinged to the top of the maintenance opening (7), a switching-off and switching-on operating handle (2) is installed at one end of the outer side of the sealing cover (5), a switching-off and switching-on signboard (6) is fixed to the other end of the outer side of the sealing cover (5), an energy storage operating handle (4) is arranged between the switching-off and switching-on operating handle (2) and the switching-on and switching-on signboard (6), an integrated board (3) is fixed in the middle of the top of the box body (1), positioning heads (11) are transversely arranged in the middle of the integrated board (3) at intervals, a mounting hole (14) which is communicated with the inside of the box body, the electric connection has current transformer (9) in the middle of utmost point post (8) outside, location head (11) periphery is fixed with protective sleeve (10) that correspond with utmost point post (8), internal thread portion (16) have been seted up to the inner wall in the middle of protective sleeve (10) bottom.
2. The high-voltage vacuum demarcation circuit breaker with good sealing performance according to claim 1, characterized in that: the middle ring of the outer side of the positioning head (11) is provided with an external thread part (15) corresponding to the internal thread part (16).
3. The high-voltage vacuum demarcation circuit breaker with good sealing performance according to claim 1, characterized in that: and a rubber sealing strip (12) connected with the inner wall of the port of the access hole (7) is attached to the periphery of the sealing cover (5).
4. The high-voltage vacuum demarcation circuit breaker with good sealing performance according to claim 1, characterized in that: and sealing rings (13) fixed with the bottoms of the poles (8) are symmetrically arranged at two ends of the inner wall of the mounting hole (14).
5. The high-voltage vacuum demarcation circuit breaker with good sealing performance according to claim 1, characterized in that: the positioning head (11), the integrated board (3) and the box body (1) are of an integrally formed structure.
6. The high-voltage vacuum demarcation circuit breaker with good sealing performance according to claim 1, characterized in that: the protective sleeve (10) is made of epoxy resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020374115.8U CN211555775U (en) | 2020-03-23 | 2020-03-23 | High-voltage vacuum demarcation circuit breaker with good sealing performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020374115.8U CN211555775U (en) | 2020-03-23 | 2020-03-23 | High-voltage vacuum demarcation circuit breaker with good sealing performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211555775U true CN211555775U (en) | 2020-09-22 |
Family
ID=72495543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020374115.8U Expired - Fee Related CN211555775U (en) | 2020-03-23 | 2020-03-23 | High-voltage vacuum demarcation circuit breaker with good sealing performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211555775U (en) |
-
2020
- 2020-03-23 CN CN202020374115.8U patent/CN211555775U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200922 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |