CN204857429U - Feed -through current transformer - Google Patents
Feed -through current transformer Download PDFInfo
- Publication number
- CN204857429U CN204857429U CN201520463121.XU CN201520463121U CN204857429U CN 204857429 U CN204857429 U CN 204857429U CN 201520463121 U CN201520463121 U CN 201520463121U CN 204857429 U CN204857429 U CN 204857429U
- Authority
- CN
- China
- Prior art keywords
- binding post
- main body
- current transformer
- straight
- cover
- Prior art date
- 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
Links
Abstract
The utility model relates to a feed -through current transformer, comprising a main body, be equipped with the cable mounting hole that is used for passing the primary line in the main part, be equipped with binding post and mounting nut in the main part, binding post with mounting nut is in mounting means in the main part is in the pouring iron core and secondary winding's in -process is together poured into a mould in the main part, show its outer end the surface of main part, the top of main part is equipped with bellied binding post platform, follow on binding post's top the upper surface of binding post platform exposes, install with the binding post cover at wherein binding post cover at the top of main part, the binding post cover is the cover of the rectangle including top surface and four sides, is in through the fastening of terminal cover fastening screw the top of main part. The utility model discloses simple structure, the preparation is convenient, is favorable to subtracting low production costs, improves production efficiency.
Description
Technical field
The utility model relates to a kind of straight-through current transformer.
Background technology
Along with the development of China's economic is more and more faster, the requirement of user to power supply reliability is more and more higher.So the reliability how improving power supply becomes the matter of utmost importance of supplying power allocation, along with distribution automation popularizing in China, the primary equipments such as outdoor ring main unit are used widely in distribution.Current transformer with matching have also been obtained extensive use, and many kinds have also appearred in the current transformer for outdoor ring main unit design.
Existing current transformer mainly comprises housing and by the iron core of poured with epoxy resin in housing and secondary winding, binding post pedestal is arranged on for the binding post of secondary winding to external connection, adopt screw by the housing of fastening for binding post pedestal instrument transformer, and the fastening base of mutual inductor of the base through screws of housing, with bolt, base of mutual inductor is fixedly mounted on the mounting panel of use occasion during use, realizes the installation of instrument transformer thus.The defect mainly complex structure of this instrument transformer, preparation trouble, binding post and base of mutual inductor all need and current transformer body sections fit, are unfavorable for reducing costs, enhance productivity.
Utility model content
The purpose of this utility model is to provide a kind of straight-through current transformer, and this instrument transformer structure is simple, easy to prepare, is conducive to lowering production cost, enhances productivity.
The technical scheme that the utility model adopts: a kind of straight-through current transformer, comprise main body, described main body is provided with for the cable installing hole through primary line, be provided with annular core in described main body and be wound on the secondary winding on annular core, described iron core and secondary winding are cast in the housing of described main body by insulating material, described main body is provided with binding post and mounting nuts, described binding post and described mounting nuts mounting means are on the body together pour into a mould on the body in the process of pouring into a mould described iron core and secondary winding, and the surface of described main body is showed in outer end.
The beneficial effects of the utility model: due to binding post and mounting nuts are cast directly in main body, do not need to arrange binding post pedestal and base of mutual inductor, also eliminate relevant packaging technology simultaneously, thereby simplify unitary construction, decrease technical process, be conducive to reducing the cost, enhance productivity, simultaneously, because binding post and mounting nuts cast directly in main body, namely to be embedded and in the mould material bondd after hardening by the mode of cast, be conducive to ensureing bonding strength in main body of binding post and mounting nuts and reliability, contribute to improving the quality of products.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model in main apparent direction;
Fig. 2 is the partial structurtes schematic diagram of the utility model on side-looking direction;
Fig. 3 is that the utility model is tiltedly looking up the structural representation on direction.
Embodiment
See Fig. 1-3, the utility model provides a kind of straight-through current transformer, comprise main body 10, described main body is provided with for the cable installing hole 60 through primary line, be provided with annular core in described main body and be wound on the secondary winding on annular core, described iron core and secondary winding are cast in the housing of described main body by insulating material, described main body is provided with binding post 20 and mounting nuts 51, described binding post and described mounting nuts mounting means are on the body together pour into a mould on the body in the process of pouring into a mould described iron core and secondary winding, and the surface of described main body is showed in the outer end of described binding post and described mounting nuts.During use, main body is fastened on corresponding mounting panel by being cast in mounting nuts and corresponding screw of installing in main body by cable, by cable through the cable installing hole in main body, the terminals of corresponding signal line to be connected on binding post and to be fastened by connection bolt 25, the induced signal in secondary winding can be obtained.
Preferably, described housing fire proofing is made, to adapt to the flame-retardancy requirements under corresponding use occasion.
Preferably, the insulating material of described cast is epoxy resin, the cast of this insulating material and insulation characterisitic good, be conducive to improving the quality of products.
Preferably, described iron core forms by silicon steel sheet is stacked.
Preferably, described housing one end is in the axial direction uncovered, and the body surfaces of described housing opening end is formed by poured into a mould insulating material.
Preferably, the connection wire between described secondary winding and described binding post is arranged in the insulating material of cast.
The top 11 of described main body is the connecting portion for wiring, and because binding post extends in main body, for avoiding secondary winding in main body and iron core, the top of described main body is protruding upward.
Preferably, described binding post is vertical, and the top of described main body is provided with protruding coupling terminal block, and the top of described binding post is exposed from the upper surface of described coupling terminal block, installs to facilitate and improves insulation property.
Preferably, the quantity of described binding post is multiple, described coupling terminal block is arranged the strip bulge between adjacent line terminals, to realize the isolation between adjacent line terminals, easy to use.
Preferably, described mounting nuts is vertical, and its outer end is exposed from the bottom surface of described main body.
Preferably, the top of described main body is provided with the binding post cover 40 covered on by binding post wherein.
Preferably, described binding post cover is the rectangular cover comprising end face and four sides
Preferably, described binding post cover is fastened on the top of described main body by terminal cover holding screw 45, and the top pouring of described main body has the terminal cover clamp nut for spinning with described terminal cover holding screw.
Preferably, one, two, three of described binding post cover or four sides are provided with can through the through hole of corresponding wiring or breach for the moon gate 42(through corresponding wiring, and top edge is preferably curved), to meet actual needs, convenient working.
Preferably, described terminal cover holding screw is lead sealing bolt, and be provided with for the cross through hole 48 through lead sealing line, the top of described binding post cover is provided with lead sealing ring 46.After installation and wiring, lead sealing line can be passed the hole of cross through hole on described terminal cover holding screw and described lead sealing ring, and be cemented on lead sealing beans, realize lead sealing thus.
Preferably, described cross through hole is positioned at the head of terminal cover holding screw.
Preferably, described cross through hole is the rectangular opening (the upper and lower sidewall of rectangular opening is horizontal plane) of preferred horizontal, can avoid or alleviate thus because arranging the impact of cross through hole on terminal cover holding screw intensity.
Each preferred and optional technological means disclosed in the utility model, unless otherwise indicated and one preferably or alternatives means be outside the further restriction of another technological means, all can combination in any, form some different technical schemes.
Claims (10)
1. a straight-through current transformer, comprise main body, described main body is provided with for the cable installing hole through primary line, be provided with annular core in described main body and be wound on the secondary winding on annular core, described iron core and secondary winding are cast in the housing of described main body by insulating material, described main body is provided with binding post and mounting nuts, it is characterized in that described binding post and described mounting nuts mounting means are on the body together pour into a mould on the body in the process of pouring into a mould described iron core and secondary winding, and the surface of described main body is showed in the outer end of described binding post and described mounting nuts.
2. straight-through current transformer as claimed in claim 1, it is characterized in that described housing fire proofing is made, the insulating material of described cast is epoxy resin, and described iron core forms by silicon steel sheet is stacked.
3. straight-through current transformer as claimed in claim 2, it is characterized in that described housing one end is in the axial direction uncovered, the body surfaces of described housing opening end is formed by poured into a mould insulating material.
4. straight-through current transformer as claimed in claim 3, is characterized in that the connection wire between described secondary winding and described binding post is arranged in the insulating material of cast.
5. straight-through current transformer as claimed in claim 4, it is characterized in that described mounting nuts is vertical, its outer end is exposed from the bottom surface of described main body.
6. the straight-through current transformer as described in claim 1,2,3,4 or 5, it is characterized in that described binding post is vertical, the top of described main body is provided with protruding coupling terminal block, and the top of described binding post is exposed from the upper surface of described coupling terminal block.
7. straight-through current transformer as claimed in claim 6, is characterized in that the quantity of described binding post is multiple, described coupling terminal block is arranged the strip bulge between adjacent line terminals.
8. straight-through current transformer as claimed in claim 7, it is characterized in that the top of described main body is provided with the binding post cover covered on by binding post wherein, described binding post cover is the rectangular cover comprising end face and four sides, be fastened on the top of described main body by terminal cover holding screw, the top pouring of described main body has the terminal cover clamp nut for spinning with described terminal cover holding screw.
9. straight-through current transformer as claimed in claim 8, is characterized in that one of described binding post cover, two, three or four sides are provided with for the moon gate through corresponding wiring.
10. straight-through current transformer as claimed in claim 9, is characterized in that described terminal cover holding screw is lead sealing bolt, and be provided with for the cross through hole through lead sealing line, the top of described binding post cover is provided with lead sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520463121.XU CN204857429U (en) | 2015-07-01 | 2015-07-01 | Feed -through current transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520463121.XU CN204857429U (en) | 2015-07-01 | 2015-07-01 | Feed -through current transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204857429U true CN204857429U (en) | 2015-12-09 |
Family
ID=54747956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520463121.XU Expired - Fee Related CN204857429U (en) | 2015-07-01 | 2015-07-01 | Feed -through current transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204857429U (en) |
-
2015
- 2015-07-01 CN CN201520463121.XU patent/CN204857429U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Straight-through current transformer capable of conveniently taking voltage Effective date of registration: 20161128 Granted publication date: 20151209 Pledgee: Zhongguancun Beijing technology financing Company limited by guarantee Pledgor: BEIJING HYLITON POWER TECHNOLOGY Co.,Ltd. Registration number: 2016990001026 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180511 Address after: 065300 No. 3 Industrial Road, Chao Bai He industrial area, Dachang, Langfang, Hebei Patentee after: HENGYUAN LITONG ELECTRIC FACTORY CO.,LTD. Address before: 100094 room 619, block B, new materials and business building, 7 Fung Hui Road, Haidian District, Beijing. Patentee before: BEIJING HYLITON POWER TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20190419 Granted publication date: 20151209 Pledgee: Zhongguancun Beijing technology financing Company limited by guarantee Pledgor: BEIJING HYLITON POWER TECHNOLOGY Co.,Ltd. Registration number: 2016990001026 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151209 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |