CN220934735U - Novel all-insulation connection contact box - Google Patents
Novel all-insulation connection contact box Download PDFInfo
- Publication number
- CN220934735U CN220934735U CN202322343010.2U CN202322343010U CN220934735U CN 220934735 U CN220934735 U CN 220934735U CN 202322343010 U CN202322343010 U CN 202322343010U CN 220934735 U CN220934735 U CN 220934735U
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- Prior art keywords
- contact box
- contact
- box main
- novel
- main body
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- 238000009413 insulation Methods 0.000 title claims abstract description 17
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 7
- 229910052802 copper Inorganic materials 0.000 claims abstract description 7
- 239000010949 copper Substances 0.000 claims abstract description 7
- 239000004020 conductor Substances 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims abstract description 5
- 238000005266 casting Methods 0.000 claims description 4
- 230000016507 interphase Effects 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000005192 partition Methods 0.000 abstract description 5
- 230000007797 corrosion Effects 0.000 abstract description 4
- 238000005260 corrosion Methods 0.000 abstract description 4
- 230000003647 oxidation Effects 0.000 abstract description 4
- 238000007254 oxidation reaction Methods 0.000 abstract description 4
- 230000003068 static effect Effects 0.000 abstract description 2
- 230000007547 defect Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification 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
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of power equipment, in particular to a novel all-insulation connection contact box which comprises a contact box main body, wherein a copper conductor is connected inside the contact box main body, a contact box sleeve is arranged at the top of the contact box main body, and an upper branch bus is connected with the end part of the contact box sleeve. Through the novel contact box adopting the design of the plug sleeve with the cable, the upper branch bus adopts the design of the all-insulated tubular bus and the all-insulated European cable plug, and replaces the use of the traditional heat-shrinkable sleeve and interphase insulating partition; the lower branch bus directly adopts a combined structure of an European cable plug and a cable outlet, thereby realizing the full insulation design; the contact arm and the contact box of the circuit breaker adopt plug-in type sealing design, when the circuit breaker is in a working position, the internal environment and the outside of the contact box are isolated to reach the IP67 protection level, the problem of oxidation corrosion of the moving contact and the static contact is solved, and the safety operation of equipment and the safety of operation and maintenance personnel are further ensured.
Description
Technical Field
The utility model relates to the technical field of power equipment, in particular to a novel all-insulation connection contact box.
Background
The handcart type switch cabinet is in a 10kV switch cabinet form which is most widely used in the current power grid, and the circuit breaker can be independently pulled out for maintenance and overhaul, so that the handcart type switch cabinet is safe and reliable, and convenient in operation and maintenance and popular with vast users; however, because the switch cabinet is air-insulated and is greatly influenced by environmental influences, moisture and corrosive gas have great influence on the safe operation of the switch cabinet, the problem of realizing full insulation of the handcart switch cabinet is solved, the switch cabinet also has wide market application prospect, and a plurality of contact boxes are generally adopted to connect all chambers in the switch cabinet for convenient operation and use.
In the prior art, the contact boxes are all of air insulation design, the copper exhaust wires are connected with the main bus, and the heat-shrinkable sleeve and the insulating partition plate are additionally arranged to strengthen insulation, so that the defects are overcome;
1. The ageing period of the heat-shrinkable sleeve is relatively short, and the heat-shrinkable sleeve gradually loses insulation performance after long-time operation;
2. The interphase SMC partition board has certain water absorbability, can reduce insulation performance after long-time operation, and is gradually polarized under the action of an electric field, so that the interphase SMC partition board cannot perform insulation, but reduces effective air insulation distance between interphase, and has serious accident potential;
3. The movable contact and the fixed contact are exposed in the air, so that oxidation corrosion of the contact joint surface can be caused in humid and corrosive gas environments, the contact resistance is increased, the heating is serious, and the safe operation of equipment and the safety of operation and maintenance personnel are seriously influenced.
Disclosure of utility model
The utility model aims to solve the defects in the prior art, and provides a novel all-insulation connection contact box.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The utility model provides a novel all-insulated connection contact box, includes the contact box main part, the internally connected of contact box main part has the copper conductor, the top of contact box main part is provided with the contact box sleeve pipe, the telescopic end connection of contact box has branch busbar, the bottom of contact box main part is connected with cable plug sleeve pipe, cable plug sheathed tube top and the inside intercommunication of contact box main part, cable plug sheathed tube end connection has branch busbar down.
Preferably, an outer insulating casting layer is laid on the outer surface of the contact box main body.
Preferably, the upper branch bus adopts a fully-insulated tubular bus and a fully-insulated European cable plug structure.
Preferably, the lower branch bus adopts an European cable plug and cable outlet combined structure.
Preferably, one end of the contact box main body is connected with a breaker contact arm, and the breaker contact arm and the contact box main body all adopt plug-in type sealing design structures.
The beneficial effects of the utility model are as follows:
Through the novel contact box adopting the design of the plug sleeve with the cable, the upper branch bus adopts the design of the all-insulated tubular bus and the all-insulated European cable plug, and replaces the use of the traditional heat-shrinkable sleeve and interphase insulating partition; the lower branch bus directly adopts a combined structure of an European cable plug and a cable outlet, thereby realizing the full insulation design; the contact arm and the contact box of the circuit breaker adopt plug-in type sealing design, when the circuit breaker is in a working position, the internal environment and the outside of the contact box are isolated to reach the IP67 protection level, the problem of oxidation corrosion of the moving contact and the static contact is solved, and the safety operation of equipment and the safety of operation and maintenance personnel are further ensured.
Drawings
Fig. 1 is a schematic general structural diagram of a novel all-insulated connection contact box according to the present utility model.
In the figure:
1. A contact box body; 2. a copper conductor; 3. a contact box sleeve; 4. a cable plug sleeve; 5. and an outer insulating casting layer.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
What is not described in detail in this specification is prior art known to those skilled in the art.
Standard parts used in the utility model can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of all parts adopt conventional means such as mature bolts, rivets and welding in the prior art, the machinery, the parts and the equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection modes in the prior art, so that the details are not described.
Examples:
Referring to fig. 1, a novel all-insulated connection contact box comprises a contact box main body 1, wherein a copper conductor 2 is connected to the inside of the contact box main body 1, a contact box sleeve 3 is arranged at the top of the contact box main body 1, an upper branch bus is connected to the end of the contact box sleeve 3, a cable plug sleeve 4 is connected to the bottom of the contact box main body 1, the top of the cable plug sleeve 4 is communicated with the inside of the contact box main body 1, and a lower branch bus is connected to the end of the cable plug sleeve 4.
An outer insulating casting layer 5 is laid on the outer surface of the contact box main body 1.
The upper branch bus adopts a fully-insulated tubular bus and a fully-insulated European cable plug structure.
The lower branch bus adopts an European-style cable plug and cable outlet combined structure.
One end of the contact box main body 1 is connected with a breaker contact arm, and the breaker contact arm and the contact box main body 1 are of plug-in type sealing design structures.
In this embodiment, through the circuit breaker installation fixed in with contact box main part 1 and handcart-type cubical switchboard together, drive circuit breaker and the work of contact box main part 1 when handcart-type cubical switchboard is operated, copper conductor 2 in the contact box main part 1 is responsible for bearing rated current and short-circuit current this moment, cable plug sleeve 4 is responsible for connecting novel insulating tubular busbar, contact box sleeve 3 is responsible for connecting circuit breaker contact part and forms full sealed effect with the contact arm of circuit breaker, go up branch busbar through contact box sleeve 3 end connection and adopt full insulating tubular busbar and full insulating European cable plug structure, thereby replace traditional heat shrinkage bush and alternate insulation baffle's use, lower branch busbar through cable plug sleeve 4 connection adopts European cable plug and cable outgoing line's integrated configuration, thereby also realized the full insulation design of contact box main part 1, it has realized through contact box main part 1 and the contact arm of breaker and has adopted plug seal design in the time of operating position that the circuit breaker has realized the protection corrosion grade of IP67 of the inside environment and outside isolation, the oxidation problem has been solved.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (5)
1. The utility model provides a novel all-insulated connection contact box, includes contact box main part (1), its characterized in that, the internally connected of contact box main part (1) has copper conductor (2), the top of contact box main part (1) is provided with contact box sleeve pipe (3), the end connection of contact box sleeve pipe (3) has branch busbar, the bottom of contact box main part (1) is connected with cable plug sleeve pipe (4), the inside intercommunication of the top of cable plug sleeve pipe (4) and contact box main part (1), the end connection of cable plug sleeve pipe (4) has branch busbar down.
2. The novel all-insulated connection contact box according to claim 1, wherein an outer insulation casting layer (5) is laid on the outer surface of the contact box main body (1).
3. The novel all-insulated connection contact box according to claim 1, wherein the upper branch bus adopts an all-insulated tubular bus and all-insulated European-style cable plug structure.
4. The novel all-insulated connection contact box according to claim 1, wherein the lower branch bus adopts an European-style cable plug and cable outlet combined structure.
5. The novel all-insulated connection contact box according to claim 1, wherein one end of the contact box main body (1) is connected with a circuit breaker contact arm, and the circuit breaker contact arm and the contact box main body (1) are of plug-in type sealing design structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322343010.2U CN220934735U (en) | 2023-08-30 | 2023-08-30 | Novel all-insulation connection contact box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322343010.2U CN220934735U (en) | 2023-08-30 | 2023-08-30 | Novel all-insulation connection contact box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220934735U true CN220934735U (en) | 2024-05-10 |
Family
ID=90967556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322343010.2U Active CN220934735U (en) | 2023-08-30 | 2023-08-30 | Novel all-insulation connection contact box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220934735U (en) |
-
2023
- 2023-08-30 CN CN202322343010.2U patent/CN220934735U/en active Active
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