CN207426621U - A kind of large-current high-voltage converts connecting box - Google Patents
A kind of large-current high-voltage converts connecting box Download PDFInfo
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- CN207426621U CN207426621U CN201721384512.8U CN201721384512U CN207426621U CN 207426621 U CN207426621 U CN 207426621U CN 201721384512 U CN201721384512 U CN 201721384512U CN 207426621 U CN207426621 U CN 207426621U
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Abstract
The utility model is related to work transmission line field more particularly to a kind of large-current high-voltage conversion connecting box, the difference is that：It includes metal enclosed shell, the shell upper end is equipped with gas-insulated closing transmission of electricity three interfaces of bus bar side, lower end is equipped with three interfaces of gas-filling cabinet side, enclosure is equipped with to connect the switching copper bar of gas-insulated closing transmission of electricity three interfaces of bus bar side and three interfaces of gas-filling cabinet side, case surface is equipped with charge valve, and described metal enclosed envelope filled have insulating gas.A kind of large-current high-voltage conversion connecting box of the utility model solves different territory of use, the connectivity problem that the gas-insulated closing of different voltages grade is transmitted electricity between busbar and high-pressure inflating cabinet.
Description
Technical field
The utility model is related to work transmission line field more particularly to a kind of large-current high-voltage conversion connecting boxs.
Background technology
Gas-insulated closing transmission of electricity busbar uses totally enclosed type mounting structure, can completely cut off the influence of external environment completely,
The problems such as dodging and be struck by lightning there is no pollution flashover, ice, suitable for each installation environments such as outdoor, shallow ridges and tunnels.
At present, because between gas-insulated closes transmission of electricity busbar three-phase phase spacing it is different according to practical engineering project, it is often big
In existing gas-filling cabinet outgoing line side phase spacing, transmit electricity needs a convertible phase spacing portion between bus equipment and low-pressure side gas-filling cabinet
Part makes former transmission of electricity bus equipment and gas-filling cabinet size not change and can connect.In addition alpine region air pressure is small, atmospheric density
It is low, humidity is big, the dielectric strength of electrical equipment reduces, defeated in order to solve the closing of the gas-insulated of different regions different voltages grade
Connectivity problem between goddess of lightning's line and high-pressure inflating cabinet invents this product.
The content of the invention
The purpose of the utility model is to overcome the shortcomings that the prior art, provide a kind of big electricity suitable for each voltage class
Flow high pressure conversion connecting box, solve different territory of use's different voltages grades gas-insulated closing transmission of electricity busbar with it is high-pressure aerated
Connectivity problem between cabinet.
For solution more than technical problem, the technical solution of the utility model is：A kind of large-current high-voltage converts connecting box,
The difference is that：It includes metal enclosed shell, and the shell upper end is equipped with gas-insulated closing transmission of electricity bus bar side three and connects
Mouthful, lower end is equipped with three interfaces of gas-filling cabinet side, and enclosure is equipped with to connect the gas-insulated closing transmission of electricity bus bar side three
The switching copper bar of interfaces and three interfaces of gas-filling cabinet side, case surface are equipped with charge valve, in the metal enclosed shell
It is insulation gas filled.
By above technical scheme, the insulating gas is 0.1MPa SF6 gases.
By above technical scheme, gas-insulated closing transmission of electricity three interfaces of bus bar side connect with the gas-filling cabinet side three
Mouth is both designed as plug-in.
By above technical scheme, insulating sleeve is equipped with outside gas-insulated closing transmission of electricity three interfaces of bus bar side.
By above technical scheme, gas-insulated closing transmission of electricity three interfaces of bus bar side are equally spaced, the gas-filling cabinet
Three interfaces of side are equally spaced.
By above technical scheme, the gas-insulated closing three interfaces spacing of transmission of electricity bus bar side is more than gas-filling cabinet side three-phase
Interface spacing.
By above technical scheme, the gas-insulated closing transmission of electricity bus bar side a diameter of 120 ~ 130mm of three interfaces respectively connects
Mouth spacing is 350 ~ 500mm.
By above technical scheme, a diameter of 120 ~ 130mm of three interfaces of gas-filling cabinet side, each interface spacing for 200 ~
300mm。
By above technical scheme, the metal enclosed shell use stainless steel, length be 1350 ~ 1500mm, width 300
~ 350mm is highly 800 ~ 900mm.
The prior art is compared, the beneficial features of the utility model are：The large-current high-voltage converts connecting box, solves big electricity
The connectivity problem that gas body insulation and obturation is transmitted electricity between busbar and high-pressure inflating cabinet, is applicable to various types of gas-filling cabinets；This
Product fills 0.1MPa SF6 gases, and electrical insulation properties are completely secured, and overcomes electrical equipment caused by the reasons such as low pressure
The problem of dielectric strength is low can use in Different Altitude Regions；In-site installation is convenient, and non-maintaining.
Description of the drawings
Fig. 1 is the utility model embodiment internal structure schematic diagram；
Fig. 2 is the utility model embodiment main structure diagram；
Fig. 3 is the utility model embodiment overlooking the structure diagram；
Fig. 4 is the utility model embodiment present invention looks up structural representation；
Wherein：The metal enclosed shells of 1-, three interfaces of 2- gas-insulateds closing transmission of electricity bus bar side, 3- gas-filling cabinets side three connect
Mouth, 4- switchings copper bar, 5- charge valves, 6-0.1MPaSF6Insulating gas.
Specific embodiment
The utility model is described in further detail below by specific embodiment combination attached drawing.
It please refers to Fig.1 to Fig. 4, a kind of large-current high-voltage conversion connecting box of the utility model, including metal enclosed shell
1, the shell upper end is equipped with gas-insulated closing transmission of electricity three interfaces 2 of bus bar side, and lower end is equipped with three interfaces 3 of gas-filling cabinet side,
Enclosure is equipped with to connect three interfaces 2 of gas-insulated closing transmission of electricity bus bar side and three interfaces of gas-filling cabinet side
3 switching copper bar 4, case surface are equipped with charge valve 5, and described metal enclosed envelope filled have insulating gas.
Specifically, the insulating gas is 0.1MPa SF6 gases 6.
Specifically, gas-insulated closing transmission of electricity three interfaces 2 of bus bar side are all provided with three interfaces 3 of gas-filling cabinet side
It is calculated as plug-in.
Specifically, three interfaces of the gas-insulated closing transmission of electricity bus bar side, 2 outside is equipped with insulating sleeve.
Specifically, gas-insulated closing transmission of electricity three interfaces 2 of bus bar side are equally spaced, the gas-filling cabinet side three connects
Mouth 3 is equally spaced.
Specifically, three interfaces of the gas-insulated closing transmission of electricity bus bar side, 2 spacing is more than between three interfaces 3 of gas-filling cabinet side
Away from.
Preferably, three interfaces of the gas-insulated closing transmission of electricity bus bar side, 2 a diameter of 120 ~ 130mm, each interface spacing
For 350 ~ 500mm.
Preferably, three interfaces of gas-filling cabinet side, 3 a diameter of 120 ~ 130mm, each interface spacing are 200 ~ 300mm.
Preferably, the metal enclosed shell 1 uses 304 stainless steels, and length is 1350 ~ 1500mm, width for 300 ~
350mm is highly 800 ~ 900mm.
A kind of large-current high-voltage conversion connecting box of the utility model is by metal enclosed shell, three interfaces of bus bar side of transmitting electricity,
Switching copper bar in case, three interfaces of gas-filling cabinet side, four part composition composition, inside fills 0.1MPa SF6Insulating gas.It designs at both ends
For plug-in, one end is used to be connected with transmission of electricity busbar, and one end is used to be connected with gas-filling cabinet.Gas-insulated closing transmission of electricity bus bar side three
Interfaces spacing is according to phase line space design different in practical engineering project.Three interfaces spacing of gas-filling cabinet side is according to existing inflation
Cabinet outgoing line side phase line space design.It is easy installation and reliable, inside fill SF6Insulating gas can meet electric insulation requirement.
The utility model overcomes that high altitude localities air pressure is small, atmospheric density is low, humidity is big, the dielectric strength of electrical equipment
The problems such as reduction, meets electric insulation requirement.The gas-insulated solved in different territory of use, different voltages grade is closed defeated
Connectivity problem between goddess of lightning's line and high-pressure inflating cabinet.
The above content is combine specific embodiment further detailed description of the utility model, it is impossible to assert
The specific implementation of the utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field
For, without departing from the concept of the premise utility, several simple deduction or replace can also be made, should all be considered as category
In the scope of protection of the utility model.
Claims (9)
1. a kind of large-current high-voltage converts connecting box, it is characterised in that：It includes metal enclosed shell, and the shell upper end is equipped with
Gas-insulated closing transmission of electricity three interfaces of bus bar side, lower end are equipped with three interfaces of gas-filling cabinet side, and enclosure is equipped with to connect
The switching copper bar of gas-insulated closing transmission of electricity three interfaces of bus bar side and three interfaces of gas-filling cabinet side, case surface are set
There is a charge valve, described metal enclosed envelope filled have insulating gas.
2. large-current high-voltage according to claim 1 converts connecting box, it is characterised in that：The insulating gas is 0.1MPa
SF6Gas.
3. large-current high-voltage according to claim 1 converts connecting box, it is characterised in that：The gas-insulated closing transmission of electricity
Three interfaces of bus bar side are both designed as plug-in with three interfaces of gas-filling cabinet side.
4. large-current high-voltage according to claim 3 converts connecting box, it is characterised in that：The gas-insulated closing transmission of electricity
Insulating sleeve is equipped with outside three interfaces of bus bar side.
5. large-current high-voltage according to claim 1 converts connecting box, it is characterised in that：The gas-insulated closing transmission of electricity
Three interfaces of bus bar side are equally spaced, and three interfaces of gas-filling cabinet side are equally spaced.
6. large-current high-voltage according to claim 5 converts connecting box, it is characterised in that：The gas-insulated closing transmission of electricity
Three interfaces spacing of bus bar side is more than three interfaces spacing of gas-filling cabinet side.
7. large-current high-voltage according to claim 1 converts connecting box, it is characterised in that：The gas-insulated closing transmission of electricity
A diameter of 120 ~ the 130mm of three interfaces of bus bar side, each interface spacing are 350 ~ 500mm.
8. large-current high-voltage according to claim 1 converts connecting box, it is characterised in that：Three interfaces of gas-filling cabinet side
A diameter of 120 ~ 130mm, each interface spacing are 200 ~ 300mm.
9. the large-current high-voltage conversion connecting box according to claim 1 to 8 any claim, it is characterised in that：It is described
Metal enclosed shell uses stainless steel, and length is 1350 ~ 1500mm, and width is 300 ~ 350mm, is highly 800 ~ 900mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721384512.8U CN207426621U (en) | 2017-10-25 | 2017-10-25 | A kind of large-current high-voltage converts connecting box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721384512.8U CN207426621U (en) | 2017-10-25 | 2017-10-25 | A kind of large-current high-voltage converts connecting box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207426621U true CN207426621U (en) | 2018-05-29 |
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ID=62308701
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721384512.8U Active CN207426621U (en) | 2017-10-25 | 2017-10-25 | A kind of large-current high-voltage converts connecting box |
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| Country | Link |
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| CN (1) | CN207426621U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107611894A (en) * | 2017-10-25 | 2018-01-19 | 湖北省电力装备有限公司 | A kind of large-current high-voltage changes connecting box |
-
2017
- 2017-10-25 CN CN201721384512.8U patent/CN207426621U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107611894A (en) * | 2017-10-25 | 2018-01-19 | 湖北省电力装备有限公司 | A kind of large-current high-voltage changes connecting box |
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