CN2715308Y - Transparent mode dry type transformer - Google Patents
Transparent mode dry type transformer Download PDFInfo
- Publication number
- CN2715308Y CN2715308Y CN 200420032371 CN200420032371U CN2715308Y CN 2715308 Y CN2715308 Y CN 2715308Y CN 200420032371 CN200420032371 CN 200420032371 CN 200420032371 U CN200420032371 U CN 200420032371U CN 2715308 Y CN2715308 Y CN 2715308Y
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Abstract
The utility model relates to a transparent mode dry type transformer, comprising a transformer body, coils, a base, clamping pieces, an insulating cylinder and an iron core, a spacer block, conducting wires and a supporting bar on the insulating cylinder. The utility model is characterized in that the insulating cylinder is provided with transverse air flues. The transverse air flues are provided with a plural number and are uniformly distributed on the insulating cylinder. A frame composed of a supporter is arranged in the front of the transformer body; the supporter is fixed with an insulating beam. The frame is fixed through a supporting insulator. The insulating beam is provided with a plurality of lugs; the low voltage leads on the transformer lead out each exposed head on the coil through the insulating beam and the lugs; the insulating beam is provided with a plurality of notches with different length. The utility model aims to solve the problem brought by the over temperature rise because of the bad ventilation in the inside coil of the dry type transformer.
Description
One, technical field: the utility model relates to a kind of dry-type transformer.
Two, background technology: since nineteen nineties, China's modernization construction paces are very fast, and from putting out, aspects such as corrosion-resistant, free from environmental pollution and high reliability require also to improve constantly to high temperature resistant, the difficult combustion of dry-type transformer.The transformer of general design of past so temperature rise is too high, causes thermal breakdown because Inside coil draws badly easily, has also influenced useful life simultaneously.Particularly in the rectifier transformer that can realize 72 pulse waves, have only the stay of vertical ventilation, because coil is than higher, inner distance is narrower, and ventilatory effect is bad naturally, often has easily aging, the easy problem of puncture of insulating material.
Three, summary of the invention:
1, goal of the invention: the utility model provides a kind of pass-through type dry-type transformer, and its purpose is to solve dry-type transformer because Inside coil draws badly, makes the too high problem of bringing of temperature rise.
2, technical scheme: the utility model is achieved through the following technical solutions:
A kind of pass-through type dry-type transformer, it includes iron core, cushion block, lead, stay on transformer body, coil, base, folder, insulating cylinder and the insulating cylinder, it is characterized in that: be provided with transverse air channel on insulating cylinder.
Transverse air channel is provided with several, is evenly distributed on the insulating cylinder.
Before transformer body, be provided with a framework of forming by bracing frame, be fixed with isolation beam on the bracing frame; This framework is fixed by supporting insulator; Be provided with several lug plates on isolation beam, the low-voltage lead on the transformer is lifted one's head on the coil each and is drawn by isolation beam, lug plate; On isolation beam, be provided with several notches different in size.
Loop construction is the concentric type winding, and high-tension coil is enclosed within the inboard, and low-voltage coil is enclosed within the outside.
3, advantage and effect: implement by technique scheme, can solve the ventilating problem of transformer well.General design of past rectifier transformer need could be realized 72 pulse waves with 6 transformers in order to realize 72 pulse waves, by the enforcement of technical solutions of the utility model, can realize that with a rectifier transformer 72 pulse waves provide technical support.And reach of a tightly knit structure, dependable performance, volume is little, saves great deal of raw materials.This product adopts special pass-through type structure, produces transversal ventilation between high-low pressure, and product adopts the H class F insulation, the output of separate unit 72 pulse waves, and all insulation low pressure winding, overall volume is 1/3rd of many traditional products.In addition, on isolation beam, be provided with several notches different in size, can increase creepage distance.
Four, description of drawings:
Accompanying drawing 2 is the side-looking structural representation of accompanying drawing 1;
Accompanying drawing 3 is the plan structure schematic diagram of accompanying drawing 1;
Accompanying drawing 4 is the pass-through type structural representation of insulating cylinder;
Accompanying drawing 5 is for having the isolation beam structural representation of notch;
Accompanying drawing 6 is the structural representation of insulating cylinder cross section.
Five, embodiment: the utility model is to adopt following scheme implementation:
Transformer mainly contains following a few part and forms (shown in accompanying drawing 1,2,3):
1 iron core 7 is vitals of transformer, and it is the magnetic circuit of transformer, is again the skeleton of transformer.Therefore, iron core 7 plays a part very important in the structure of transformer.Mainly by core limb, iron grip, several parts such as folder, pad pin form.In order to reduce no-load loss, this product has adopted the import cold-reduced silicon sheet of high-quality, adopts atresia mitre structure, and center pillar unshakable in one's determination adopts the four-seam structure, and this structure can make core loss reduce.Iron core clamps and adopts bended plate type folder 13 to clamp, and the stem binding strap adopts 0.2 * 25 polyamine phenol imines glass fiber tape colligation (2～150), last lower pulling plate nonmagnetic steel plate 20Mn23Al material.
2 coiler parts, coiler part mainly are made up of several parts such as lead 9, stay 10, cushion block 8, insulating cylinder 11, end insulation.High-tension coil is enclosed within the outside of core limb, and low-voltage coil is enclosed within the outside of high-tension coil.High-tension coil adopts continous way, and low pressure adopts two cake formulas, and 12 * 3 two cakes of every post constitute 36 extend-triangles, and the low-pressure side phase shift realizes 72 maximum pulse waves of present separate unit output.Structurally,, in the middle of the cushion block 8 of low-voltage coil insulating cylinder 11, open transverse air channel 12, increase the transversal ventilation of high-tension coil, form unique pass-through type structure, as shown in Figure 2 in order to increase the gas permeability of high-tension coil.Winding is the circuit of transformer, and the loss of winding is the main thermal source of transformer, and the effect that the main insulation of winding must be born heat does not damage, and the winding insulation material adopts the H class F insulating material F.Glass fiber bag flat type copper wire SBEB/180 is adopted in the winding turns insulation, high pressure is a continuous winding, low pressure is two disc coils, and air flue adopts diphenyl ether mold pressing cushion block, and coil adopts the pass-through type structure, the fully automatic vacuum dipping, the pressurization infiltration, secondary drying solidifies, owing to adopt special advanced technologies, make product bear thermal shock, characteristics such as capability of overload is extremely strong.
3 device bodies insulate, and this part is made up of several parts such as briquetting, pressure nail, phase partition, faggings, and device adopts four briquettings on one's body down, clenches admittedly with pressing, and coil is compressed the short-circuit capacity of enhancing transformer.
4 lead portion are provided with a framework of being made up of bracing frame 2 before transformer body, be fixed with isolation beam 1 on the bracing frame 2.High-voltage connection is drawn with former line, with supporting insulator 6 anchor legs.Low-voltage lead connects to form 36 extend-triangles with the insulation of bare copper wire bag, forms 36 extensions with the insulation of bare copper wire bag again.It is two-layer that the low-voltage lead interior angle connect to divide, and the exterior angle connects one deck, and low-voltage lead is divided into three layers, forms 36 extend-triangles, and three layers of lead-in wire has and two-layerly clamp with insulation board, and the mopping processing has been carried out in the outside that goes between.High-voltage connection adopts normal Y connection connecting line construction.Low-voltage lead is that each is lifted one's head coil 3, draw by isolation beam, lug plate 14, isolation beam 1 (seeing shown in the accompanying drawing 3) adopts special otch technology, increase creepage distance, transformer body is fixed on the base 4, isolation beam 1 is fixed on the bracing frame 2, and bracing frame 2 links to each other with transformer folder 13 by insulator 5.Transformer body, isolation beam 1, bracing frame 2, base 4 constitute transformer unique appearance structure.
In accompanying drawing one, isolation beam 1: draw each power cell tap (seeing accompanying drawing two), bracing frame 2: the shelf of supports insulative beam; Coil 3: the circuit part of transformer; Base 4: the foundation of transformer; Supporting insulator 5: the insulating part of fixing support rack; Supporting insulator 6: the insulated support of high-voltage terminal copper bar; Unshakable in one's determination 7: the magnetic circuit part of transformer; Cushion block 8: air flue between the transformer cake; Lead 9: the conductor of forming coil; Stay 10: as vertical air flue of coil; Insulating cylinder 11: the skeleton of transformer coil; Transverse air channel 12: the transverse air channel between pass-through type structure high-voltage coil and low-voltage coil (seeing accompanying drawing 2); Folder 13: the holder of transformer core part.
Insulating cylinder 11 in the past twines low-voltage coil at inner ring, twines high-tension coil in the outer ring.The utility model (as shown in Figure 6) loop construction is the concentric type winding, and inner ring twines high-tension coil 15, and low-voltage coil 3 is twined in the outer ring, and high-tension coil 15 is wrapped on the High-Voltage Insulation tube 17, and transverse air channel 12 is provided with several, is evenly distributed on the insulating cylinder 11.This transformer high-voltage adopts the Y connection, continous way structure, low pressure adopt two cake structures, and 12 * 3 two cakes of every post constitute 36 extend-triangles, adopt unique low-pressure side phase shift, phase shifting angle is ± 2.5 °, ± 7.5 °, and ± 12.5 °, ± 17.5 °, ± 22.5 °, ± 27.5 °, use and in three-phase bridge rectifier circuit, can realize 72 pulse waves with a rectifier transformer.
Claims (4)
1, a kind of pass-through type dry-type transformer, it includes transformer body, coil (3), base (4), folder (13), insulating cylinder (11), and the iron core (7) on the insulating cylinder (11), cushion block (8), lead (9), stay (10), it is characterized in that: on insulating cylinder (11), be provided with transverse air channel (12).
2, pass-through type dry-type transformer according to claim 1 is characterized in that: transverse air channel (12) is provided with several, is evenly distributed on the insulating cylinder (11).
3, pass-through type dry-type transformer according to claim 1 is characterized in that: be provided with a framework of being made up of bracing frame (2) before transformer body, be fixed with isolation beam (1) on the bracing frame (2); This framework is fixing by supporting insulator (5); Be provided with several lug plates (14) on isolation beam (1), the low-voltage lead on the transformer is lifted one's head on the coil (3) each and is drawn by isolation beam (1), lug plate (14); On isolation beam (1), be provided with several notches different in size (16).
4, pass-through type dry-type transformer according to claim 1 is characterized in that: loop construction is the concentric type winding, and high-tension coil (17) is enclosed within the inboard, and low-voltage coil (3) is enclosed within the outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420032371 CN2715308Y (en) | 2004-06-29 | 2004-06-29 | Transparent mode dry type transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420032371 CN2715308Y (en) | 2004-06-29 | 2004-06-29 | Transparent mode dry type transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2715308Y true CN2715308Y (en) | 2005-08-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420032371 Expired - Lifetime CN2715308Y (en) | 2004-06-29 | 2004-06-29 | Transparent mode dry type transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2715308Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105976998A (en) * | 2016-07-19 | 2016-09-28 | 无锡希恩电气有限公司 | Large-power transformer structure |
| CN108933028A (en) * | 2018-08-31 | 2018-12-04 | 苏州翰为电气科技有限公司 | A kind of power equipment dual openings magnetic circuit iron core body clamping device |
-
2004
- 2004-06-29 CN CN 200420032371 patent/CN2715308Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105976998A (en) * | 2016-07-19 | 2016-09-28 | 无锡希恩电气有限公司 | Large-power transformer structure |
| CN108933028A (en) * | 2018-08-31 | 2018-12-04 | 苏州翰为电气科技有限公司 | A kind of power equipment dual openings magnetic circuit iron core body clamping device |
| CN108933028B (en) * | 2018-08-31 | 2023-08-11 | 国网重庆市电力公司市南供电分公司 | Double-opening magnetic circuit iron core body clamping device for power equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: Hunnan New District in Shenyang city of Fort Street Hunhe River, Liaoning province zip code: 110180 Patentee after: Shenyang Sealed Transformer Co., Ltd. Address before: Hunnan New District in Shenyang city of Fort Street Hunhe River, Liaoning province zip code: 110180 Patentee before: Shenyang Totally Enclosed Transformer Factory |
|
| C56 | Change in the name or address of the patentee |
Owner name: SHENYANG OMNISEAL TRANSFORMER CO., LTD. Free format text: FORMER NAME: SHENYANG FULL-SEALED TRANSFORMER PLANT |
|
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 110168 Liaoning province Shenyang Hunnan voyage Road No. 8 Patentee after: Shenyang Sealed Transformer Co., Ltd. Address before: Hunnan New District in Shenyang city in 110180 Fort Street Hunhe River in Liaoning Province Patentee before: Shenyang Sealed Transformer Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20140629 Granted publication date: 20050803 |