CN201196908Y - Coil bar - Google Patents
Coil bar Download PDFInfo
- Publication number
- CN201196908Y CN201196908Y CNU2008201109868U CN200820110986U CN201196908Y CN 201196908 Y CN201196908 Y CN 201196908Y CN U2008201109868 U CNU2008201109868 U CN U2008201109868U CN 200820110986 U CN200820110986 U CN 200820110986U CN 201196908 Y CN201196908 Y CN 201196908Y
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- CN
- China
- Prior art keywords
- coil
- stay
- coil stay
- gas
- utility
- 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
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- Insulating Of Coils (AREA)
Abstract
The utility model discloses a coil stay, which takes the structure of a strip the cross section of which is I-shaped, wherein the side face of the coil stay is matched with a coil cushion block, and the coil stay is made of E-level insulating materials. The coil stay is drawn into the shape of the strip at a time; and the length can be randomly cut, thereby the coil stay is simple and convenient to manufacture. The coil stay endures a temperature of more than 160 DEG C which is higher than the temperature endured by E-level insulating materials in a gas-insulated transformer, and has good safety; and the coil stay has the advantages of simple structure, convenient manufacture, low cost, high insulating strength and mechanical strength, smooth surface without burrs, and incapability of damaging wire insulation of a coil, and is suitable for a high-voltage product and particularly the gas-insulated transformer.
Description
One, technical field
The utility model belongs to transformer manufacture technology, relates to a kind of gas-insulated transformer coil stay.
Two, background technology
Coil stay is the skeleton of transformer coil, in order to guarantee transformer long-term safety reliability service, must satisfy the basic demand of aspects such as electrical strength, high-temperature capability, mechanical strength.The transformer coil stay of tradition insulating board material is the A class F insulating material F, and its structure and material all can not satisfy the requirement of gas-insulated transformer stay, and the cost height.
Three, summary of the invention
The utility model solves the above-mentioned problems in the prior art exactly, and a kind of coil stay that can satisfy the requirement of gas-insulated transformer stay is provided.
For addressing the above problem, technical solution of the present utility model is: a kind of coil stay, and it is that a cross section is I-shaped strip, and its side and coil cushion block are complementary, and it is made by resistant to elevated temperatures E class F insulating material F.
There is chamfering above-mentioned described end of the present utility model.
Above-mentioned described cross section of the present utility model also can be other shape that its side and coil cushion block are complementary.
Above-mentioned described E class F insulating material F of the present utility model is the high strength alkali-free glass fibre.
The utility model is a kind of coil stay of high-temperature insulation material, and it,, solidifies with mold heated behind the resin pickup as main material with resistant to elevated temperatures E class F insulating material F, and drawing goes out the coil stay of moulding, carries out length and other processing again.It once is drawn into strip, and length can be sheared arbitrarily, and is simple for production.Its heatproof is higher than the E class F insulating material F in the gas-insulated transformer more than 160 ℃, and fail safe is good; Simple in structure, easy to make, cost is low; Dielectric strength, mechanical strength height are applicable to the high voltage product, especially gas-insulated transformer; Smooth surface does not have burr, can not damage the coil wire insulation.
Four, description of drawings
Below in conjunction with accompanying drawing the utility model is described further:
Fig. 1 is a front view of the present utility model;
Fig. 2 is the AA cutaway view of Fig. 1.
Five, embodiment
As shown in Figure 1 and Figure 2, the utility model is that a cross section is I-shaped strip 1, and its side and coil cushion block are complementary, and there is chamfering 2 its end, and it is made by resistant to elevated temperatures high strength alkali-free glass fibre.The high strength alkali-free glass fibre is pulled out the back from axle soak fat through the unsaturated-resin case earlier, enter extruding hot briquetting in the mould again, drawing goes out the coil stay of moulding then, is cut into the length that needs, and carries out other processing again.I-shaped structure is convenient to the fixed coil cushion block, and end-beveling is convenient to mounting coil, can make mould as requested, makes various cross sectional shapes.
Claims (3)
1. coil stay, it is characterized in that: it is that a cross section is I-shaped strip, and its side and coil cushion block are complementary, and it is made by resistant to elevated temperatures E class F insulating material F.
2. coil stay according to claim 1 is characterized in that: there is chamfering (2) its end.
3. according to claim 1 or 2 described coil stays, it is characterized in that: described E class F insulating material F is the high strength alkali-free glass fibre.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201109868U CN201196908Y (en) | 2008-04-30 | 2008-04-30 | Coil bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201109868U CN201196908Y (en) | 2008-04-30 | 2008-04-30 | Coil bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201196908Y true CN201196908Y (en) | 2009-02-18 |
Family
ID=40416538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201109868U Expired - Fee Related CN201196908Y (en) | 2008-04-30 | 2008-04-30 | Coil bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201196908Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101620933B (en) * | 2009-06-12 | 2011-07-27 | 保定天威集团有限公司 | Transformer coil coiling mould capable of being finely adjusted |
| CN102290219A (en) * | 2011-05-05 | 2011-12-21 | 保定天威集团有限公司 | Coil gagger of dry-type transformer and manufacturing method thereof |
| CN102723181A (en) * | 2012-06-11 | 2012-10-10 | 常熟市常源变压器有限公司 | Low voltage coil for dry-type transformer |
-
2008
- 2008-04-30 CN CNU2008201109868U patent/CN201196908Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101620933B (en) * | 2009-06-12 | 2011-07-27 | 保定天威集团有限公司 | Transformer coil coiling mould capable of being finely adjusted |
| CN102290219A (en) * | 2011-05-05 | 2011-12-21 | 保定天威集团有限公司 | Coil gagger of dry-type transformer and manufacturing method thereof |
| CN102723181A (en) * | 2012-06-11 | 2012-10-10 | 常熟市常源变压器有限公司 | Low voltage coil for dry-type transformer |
| CN102723181B (en) * | 2012-06-11 | 2015-08-26 | 常熟市常源变压器有限公司 | A kind of low voltage coil for dry transformer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Hefei Print-Rite power wire Co., Ltd. Assignor: Baoding Tianwei Group Co., Ltd. Contract fulfillment period: 2009.7.20 to 2015.8.20 Contract record no.: 2009130000127 Denomination of utility model: Coil stay used on dry-type transformer Granted publication date: 20090218 License type: Exclusive license Record date: 20090818 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2009.7.20 TO 2015.8.20; CHANGE OF CONTRACT Name of requester: HEFEI TIANWEI POWER CABEL CO., LTD. Effective date: 20090818 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090218 Termination date: 20130430 |