CN203218080U - Low-voltage coil of oil-immersed transformer - Google Patents
Low-voltage coil of oil-immersed transformer Download PDFInfo
- Publication number
- CN203218080U CN203218080U CN 201320180091 CN201320180091U CN203218080U CN 203218080 U CN203218080 U CN 203218080U CN 201320180091 CN201320180091 CN 201320180091 CN 201320180091 U CN201320180091 U CN 201320180091U CN 203218080 U CN203218080 U CN 203218080U
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- coil
- low
- oil
- voltage
- coil body
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Abstract
The utility model provides a low-voltage coil of an oil-immersed transformer. The low-voltage coil comprises a coil body wound by copper foil. End insulation is formed on the end portion of the coil body, and layer insulation is formed on the side portion of the coil body. A telescopic coil outgoing head is led out of the coil body. Due to the fact that the length of the outgoing head of the low-voltage coil of the oil-immersed transformer is adjusted, the low-voltage coil is convenient to operate and connect and free of welding pollution, and reduces consumption of raw materials.
Description
Technical field
The utility model relates to the power transmission and transformation technical field, particularly a kind of oil-filled transformer low-voltage coil.
Background technology
In oil-filled transformer, the winding protruding head length of low voltage winding in transformers is fixed, and this winding protruding head is by with the leftover of bolt of cloth and tighten with lock tightly, and this winding protruding head is drawn the back and introduced low-tension bushing again after by the copper bar welding and be connected in low-voltage lead.This Welding Structure is owing to need carry out operation inconvenience in the smaller transformer of space; The spark that produces during welding is splashed on the Transformer Winding easily, influences its operate as normal, and in addition, producing a large amount of harmful substances during welding also has bigger pollution to environment.
The utility model content
The purpose of this utility model is to propose a kind of handled easily to connect, reduced raw materials consumption and and do not have an oil-filled transformer low-voltage coil that welding is polluted.
For achieving the above object, the utility model proposes a kind of oil-filled transformer low-voltage coil, comprise the coil body of Copper Foil coiled, the end of described coil body is provided with the end insulation, the sidepiece of described coil body is provided with layer insulation, leads to telescopic winding protruding head on the described coil body.
Further, in above-mentioned oil-filled transformer low-voltage coil, described winding protruding head comprises that the coil head end of the cable that is respectively applied to connect two low-voltage leads is lifted one's head and coil end is lifted one's head.
Further, in above-mentioned oil-filled transformer low-voltage coil, described coil body is the double-layered cylinder formula.
Further, in above-mentioned oil-filled transformer low-voltage coil, the outside of described coil body is by tightening the band wrapping.
The utility model oil-filled transformer low-voltage coil is because lifting one's head adjustable length, and handled easily connects, and has reduced raw materials consumption and and does not have welding and pollute.
Description of drawings
Fig. 1 is the structural representation of the utility model oil-filled transformer low-voltage coil one embodiment.
Fig. 2 is another structural representation of Fig. 1 mesolow coil.
Embodiment
Describe preferred embodiment of the present utility model in detail below in conjunction with accompanying drawing.
See also Fig. 1 and Fig. 2, the utility model oil-filled transformer low-voltage coil comprises that the coil body 1 of Copper Foil coiled, the end of described coil body 1 are provided with end insulation 2, the sidepiece of described coil body 1 is provided with layer insulation 3, leads to telescopic winding protruding head 12 on the described coil body 1.
Wherein, described winding protruding head 12 is the former lead of coil body, the variable-length of described winding protruding head 12, and it can be drawn from low-tension bushing according to the position of low-tension bushing (not shown), and is electrically connected on the cable (not shown) of transformer low voltage lead-in wire.
Described winding protruding head 12 comprise the coil head end lift one's head 122 and coil end lift one's head 124, it is connected to the cable of two low-voltage leads.
Described coil body 1 is the double-layered cylinder formula, and the outside of described coil body 1 is by tightening the wrapping of band (not shown).
Than prior art, the winding protruding head variable-length of the utility model oil-filled transformer low-voltage coil can adjust flexibly according to the position of low-tension bushing, and winding protruding head directly is electrically connected on low-voltage lead, need not to descend again the copper bar welding, reduced raw materials consumption and welding pollution.
The utility model oil-filled transformer low-voltage coil is because lifting one's head adjustable length, and handled easily connects, and has reduced raw materials consumption and and does not have welding and pollute.
Here description of the present utility model and application is illustrative, is not to want with scope restriction of the present utility model in the above-described embodiments.Here the distortion of disclosed embodiment and change is possible, and the various parts of the replacement of embodiment and equivalence are known for those those of ordinary skill in the art.Those skilled in the art are noted that under the situation that does not break away from spirit of the present utility model or substantive characteristics, and the utility model can be with other form, structure, layout, ratio, and realize with other assembly, material and parts.Under the situation that does not break away from the utility model scope and spirit, can carry out other distortion and change to disclosed embodiment here.
Claims (4)
1. an oil-filled transformer low-voltage coil is characterized in that, comprises the coil body of Copper Foil coiled, and the end of described coil body is provided with the end insulation, and the sidepiece of described coil body is provided with layer insulation, leads to telescopic winding protruding head on the described coil body.
2. oil-filled transformer low-voltage coil according to claim 1 is characterized in that, described winding protruding head comprises that the coil head end of the cable that is respectively applied to connect two low-voltage leads is lifted one's head and coil end is lifted one's head.
3. oil-filled transformer low-voltage coil according to claim 1 is characterized in that, described coil body is the double-layered cylinder formula.
4. oil-filled transformer low-voltage coil according to claim 1 is characterized in that, the outside of described coil body is by tightening the band wrapping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320180091 CN203218080U (en) | 2013-04-11 | 2013-04-11 | Low-voltage coil of oil-immersed transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320180091 CN203218080U (en) | 2013-04-11 | 2013-04-11 | Low-voltage coil of oil-immersed transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203218080U true CN203218080U (en) | 2013-09-25 |
Family
ID=49207593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320180091 Expired - Fee Related CN203218080U (en) | 2013-04-11 | 2013-04-11 | Low-voltage coil of oil-immersed transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203218080U (en) |
-
2013
- 2013-04-11 CN CN 201320180091 patent/CN203218080U/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 | ||
| 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: 20130925 Termination date: 20170411 |