CN202205921U - Electric connection structure and distribution cabinet unit with same - Google Patents
Electric connection structure and distribution cabinet unit with same Download PDFInfo
- Publication number
- CN202205921U CN202205921U CN 201120315233 CN201120315233U CN202205921U CN 202205921 U CN202205921 U CN 202205921U CN 201120315233 CN201120315233 CN 201120315233 CN 201120315233 U CN201120315233 U CN 201120315233U CN 202205921 U CN202205921 U CN 202205921U
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- insulator
- contact rod
- connection structure
- electric connection
- insulator body
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Abstract
The utility model relates to an electric connection structure. The structure comprises a first insulator and a second insulator, wherein the first insulator comprises a first insulator body and a first conducting bar, a first cavity is formed inside the first insulator body, and the first conducting bar is accommodated in the first cavity; the second insulator comprises a second insulator body and a second conducting bar, the second insulator body is provided with a closed end and an opening end opposite to the closed end, a second cavity is formed inside the second insulator body, the second conducting bar passes through the closed end, one end of the second conducting bar is accommodated in the second insulator body, and the other end of the second conducting bar is exposed outside the second insulator body; and the first insulator is accommodated in the second cavity, so that the first conducting bar is supported against the second conducting bar. The first conducting bar and the second conducting bar are abutted against one another, so that the inside part of the first insulator is connected with the inside part of the second insulator, and the electric connection structure can replace a cable to connect each component of a transformer substation. The utility model also provides a distribution cabinet unit with the electric connection structure.
Description
[technical field]
The present invention relates to electrical equipment technical field, particularly relate to a kind of electric connection structure and contain the distribution group of this electric connection structure.
[background technology]
The HV Terminal of conventional oil-filled transformer all is a porcelain vase formula insulator, and is installed in the top of transformer.In box-type substation, when linking, porcelain vase formula insulator and high-voltage board use cable usually.If also use cable connection when connecting, and with " T " shape insulated electro cable end with the gas-filled type switch cubicle.
Cable connects and to have following problem: 1, cable need be at two ends certain apart from internal fixation; 2 and cable certain bending radius requirement is arranged, must guarantee certain metric space, cause the distance between high-voltage board and the transformer bigger, influence the requirement of box-type substation developing direction trend toward miniaturization; 3, the manufacturing process requirement of cable end is higher, and insulation and ground connection all want reliable.Do the flashover of frequent appearance electricity well, problem such as leak and burn.
[summary of the invention]
Based on this, be necessary to provide a kind of electric connection structure that cable connects that need not.
Further, a kind of distribution group that contains above-mentioned electric connection structure is provided.
A kind of electric connection structure; Comprise first insulator and second insulator; Said first insulator comprises first insulator body and first contact rod, and the said first insulator body inside offers first cavity, and said first contact rod is contained in said first cavity;
Said second insulator comprises second insulator body and second contact rod; Said second insulator body has a blind end and reaches and said blind end opposing open end, and the said second insulator body inside offers second cavity; Said second contact rod wears said blind end, and an end is contained in said second insulator body, and the other end is exposed to outside said second insulator body;
Said second cavity is accommodated said first insulator and said first contact rod and said second contact rod is connected.
Preferably, the end of said first contact rod is provided with first through hole and is contained in the conductive clip in said first through hole.
Preferably, the bottom of said first through hole offers thread groove, and the bottom of said conductive clip is equipped with screw element, and said screw element matches with said thread groove and fixing said conductive clip.
Preferably, said conductive clip comprises egative film and from the periphery of the egative film a plurality of corrugated shell fragment that bending is extended towards said egative film the same side, the end clamping mutually of said shell fragment and said second contact rod.
Preferably, said first insulator also comprises first ring flange that is arranged at away from an end of said first contact rod.
Preferably, said second insulator also comprises second ring flange on the end face that is arranged at said blind end.
Preferably, said second ring flange is provided with a plurality of annular shirt rims of unequal-interval.
Preferably, the outer wall of said first insulator body is provided with equally spaced a plurality of first annular shirt rim, and the inwall of said second insulator body is provided with equally spaced a plurality of second annular shirt rim.
Preferably, the middle part of said second contact rod is provided with the stop part of annular, and said blind end offers the through hole that supplies said first contact rod to wear, and the inwall of said through hole offers the annular slot of accommodating said stop part.
A kind of distribution group comprises:
First power distribution cabinet,
Second power distribution cabinet; And
Above-mentioned electric connection structure; First insulator of this electrical connection mechanism is fixed on said first power distribution cabinet; Said second insulator is fixed on said second power distribution cabinet, and said first contact rod and said second contact rod connect and conduct said first distribution and second power distribution cabinet.
Above-mentioned electric connection structure is through being provided with first insulator and second insulator; And first contact rod and second contact rod are set respectively in the inside of first insulator and second insulator; First insulator is contained in the second insulator inside connects win contact rod and second contact rod; Thereby realize the inside conducting of first insulator and second insulator, make the alternative cable of above-mentioned electric connection structure connect each assembly of transformer station.
[description of drawings]
Fig. 1 is the structural representation of the electric connection structure of an execution mode;
Fig. 2 is the decomposing schematic representation of first insulator among Fig. 1;
Fig. 3 A is the front view of conductive clip among Fig. 2;
Fig. 3 B is the right view of conductive clip among Fig. 2;
Fig. 4 is the decomposing schematic representation of second insulator among Fig. 1;
Fig. 5 is the scheme of installation of electric connection structure shown in Figure 1;
Fig. 6 is the structural representation of the distribution group of an execution mode.
[embodiment]
Connect the problem that exists in order to solve each assembly cable of transformer station, proposed a kind of electric connection structure that cable connects that need not.
See also Fig. 1 to Fig. 4, the electric connection structure 100 of an execution mode comprises first insulator 20 and second insulator 40.Second insulator, 40 parts are accommodated first insulator 20.
First insulator body, 21 inside offer first cavity, 212, the first cavitys 212 and accommodate first contact rod 22.
In order to satisfy creepage requirement, offer equally spaced a plurality of first annular shirt rim 214 on the outer wall of first insulator body 21 than distance.The height of first annular shirt rim 214 equates.
In the present embodiment, the composition material of first insulator body 21 is mainly epoxy resin and silicon dioxide.Epoxy resin has excellent electric insulation property, makes the insulating properties of the insulator body 21 of winning preferable.In other embodiments, also can adopt the good material of other electrical insulating properties, like polytetrafluoroethylene etc.
In the present embodiment, conductive clip 226 adopts copper to become.In order to reduce the insulation resistance of conductive clip 226, silver-plated in its surface.
Further, first insulator 20 also comprises first ring flange 23.First ring flange 23 is arranged at the end of first insulator body 21 away from first contact rod 22.First ring flange 23 is used for first insulator 20 is fixed to transformer station's assembly (figure does not show).Be appreciated that first ring flange 23 can adopt the installation securing member to be mounted on inflation cashier's office in a shop, like other metal inserts such as bolts.
In the present embodiment, the composition material of second insulator body 41 also is mainly epoxy resin and silicon dioxide.
Same in order to satisfy creepage requirement than distance, offer equally spaced a plurality of second annular shirt rim 418 on the inwall of second insulator body 41.The height of second annular shirt rim 418 equates.
Further, second insulator 40 also comprises second ring flange 43.Second ring flange 43 is arranged on the end face of blind end 412, is used for second insulator 40 is fixed to transformer device (figure does not show).
Creepage than distance in order further to improve, second ring flange 43 is provided with a plurality of annular shirt rims 432 of unequal-interval.
In the present embodiment, second contact rod 42 also is the red copper contact rod.
, first insulator 20 is contained in second cavity 416 of second insulator 40 during electric connection structure 100 in assembling, win contact rod 22 and second contact rod 42 are connected.When first contact rod, 22 second contact rods 42 connected, the shell fragment 2264 of conductive clip 226 and second contact rod 42 clamping mutually reduced the contact resistance between them to guarantee the tight fit of first contact rod 22 and second contact rod 42, guarantee its being electrically connected property.First annular shirt rim 214 and second annular shirt rim 418 cooperatively interact, and be creepage than distance to improve, and improves the fail safe of electric connection structure 100.
See also Fig. 5, connect high-pressure aerated cabinet high-pressure side and step-up side with electric connection structure 100.Through first ring flange 23 first insulator 20 is fixed on the transformer high-voltage insulator mounting panel; And will second insulator 40 be fixed on the high-pressure aerated cabinet insulator mounting panel through second ring flange 43; Thereby realize the electrical connection of the high pressure major loop of high-pressure aerated cabinet and transformer, thereby cancelled the cable connection.
Further, a kind of distribution group that comprises above-mentioned electrical connection mechanism is provided.
See also Fig. 6, the distribution group cabinet 200 of an execution mode comprises first power distribution cabinet 50, second power distribution cabinet 60 and electric connection structure 100.Electric connection structure 100 connects first power distribution cabinet 50 and second power distribution cabinet 60 respectively.Specifically in the present embodiment, first power distribution cabinet 50 is high-pressure aerated cabinet; Second power distribution cabinet 60 is the transformer high-voltage cabinet.
Above-mentioned distribution group 200 connects through adopting electrical connection mechanism 100, need not to adopt cable to connect, and helps the development of box-type substation miniaturization.
The above embodiment has only expressed several kinds of execution modes of the utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model design, can also make some distortion and improvement, these all belong to the protection range of the utility model.Therefore, the protection range of the utility model patent should be as the criterion with accompanying claims.
Claims (10)
1. an electric connection structure comprises first insulator and second insulator, it is characterized in that,
Said first insulator comprises first insulator body and first contact rod, and the said first insulator body inside offers first cavity, and said first contact rod is contained in said first cavity;
Said second insulator comprises second insulator body and second contact rod; Said second insulator body has a blind end and reaches and said blind end opposing open end, and the said second insulator body inside offers second cavity; Said second contact rod wears said blind end, and an end is contained in said second insulator body, and the other end is exposed to outside said second insulator body;
Said second cavity is accommodated said first insulator and said first contact rod and said second contact rod is connected.
2. electric connection structure according to claim 1 is characterized in that, the end of said first contact rod is provided with first through hole and is contained in the conductive clip in said first through hole.
3. electric connection structure according to claim 2 is characterized in that the bottom of said first through hole offers thread groove, and the bottom of said conductive clip is equipped with screw element, and said screw element matches with said thread groove and fixing said conductive clip.
4. electric connection structure according to claim 2 is characterized in that, said conductive clip comprises egative film and from the periphery of the egative film a plurality of corrugated shell fragment that bending is extended towards said egative film the same side, the end clamping mutually of said shell fragment and said second contact rod.
5. electric connection structure according to claim 1 is characterized in that, said first insulator also comprises first ring flange that is arranged at away from an end of said first contact rod.
6. electric connection structure according to claim 5 is characterized in that, said second insulator also comprises second ring flange on the end face that is arranged at said blind end.
7. electric connection structure according to claim 6 is characterized in that, said second ring flange is provided with a plurality of annular shirt rims of unequal-interval.
8. electric connection structure according to claim 1 is characterized in that, the outer wall of said first insulator body is provided with equally spaced a plurality of first annular shirt rim, and the inwall of said second insulator body is provided with equally spaced a plurality of second annular shirt rim.
9. electric connection structure according to claim 1; It is characterized in that; The middle part of said second contact rod is provided with the stop part of annular, and said blind end offers the through hole that supplies said first contact rod to wear, and the inwall of said through hole offers the annular slot of accommodating said stop part.
10. distribution group is characterized in that comprising:
First power distribution cabinet,
Second power distribution cabinet; And
Like each described electric connection structure of claim 1～9; Said first insulator is fixed on said first power distribution cabinet; Said second insulator is fixed on said second power distribution cabinet, and said first contact rod and said second contact rod connect and conduct said first distribution and second power distribution cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120315233 CN202205921U (en) | 2011-08-24 | 2011-08-24 | Electric connection structure and distribution cabinet unit with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120315233 CN202205921U (en) | 2011-08-24 | 2011-08-24 | Electric connection structure and distribution cabinet unit with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202205921U true CN202205921U (en) | 2012-04-25 |
Family
ID=45970021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120315233 Expired - Fee Related CN202205921U (en) | 2011-08-24 | 2011-08-24 | Electric connection structure and distribution cabinet unit with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202205921U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107785131A (en) * | 2017-11-24 | 2018-03-09 | 珠海市可利电气有限公司 | A kind of micro-pressure seal box 12kV insulated sleeve components |
-
2011
- 2011-08-24 CN CN 201120315233 patent/CN202205921U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107785131A (en) * | 2017-11-24 | 2018-03-09 | 珠海市可利电气有限公司 | A kind of micro-pressure seal box 12kV insulated sleeve components |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120425 Termination date: 20180824 |