CN201868972U - Pole coil grounded insulating structure of salient-pole synchronizing generator - Google Patents
Pole coil grounded insulating structure of salient-pole synchronizing generator Download PDFInfo
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- CN201868972U CN201868972U CN2010206529641U CN201020652964U CN201868972U CN 201868972 U CN201868972 U CN 201868972U CN 2010206529641 U CN2010206529641 U CN 2010206529641U CN 201020652964 U CN201020652964 U CN 201020652964U CN 201868972 U CN201868972 U CN 201868972U
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- pole
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Abstract
The utility model discloses a pole coil grounded insulating structure of a salient-pole synchronizing generator, which comprises magnetic pole iron core, an adjusting base plate, a first supporting plate, a pole coil, a second supporting plate, a jam-pack base plate and a pole body insulator, wherein the pole coil is sheathed on the magnetic pole iron core; the second supporting plate and the first supporting plate are respectively arranged at two ends of the pole coil in a supporting way; the adjusting base plate is arranged under the first supporting plate; the jam-pack base plate and the pole body insulator are arranged between the pole coil and the magnetic pole iron core in sequence from inside to outside; the first supporting plate, the pole coil, the second supporting plate and the pole body insulator are fixed into a whole; both the first supporting plate and the second supporting plate are diamond supporting plates; and the radial width of the supporting plates is larger than that of the pole coil. According to the utility model, the supporting plate, the pole coil and the pole body insulator are fixed into a whole, the sizes of the edges of the supporting plates are larger than that of the edge of the pole coil, creepage distance is increased due to the diamond supporting plates, and the insulating reliability of the pole coil is improved.
Description
[technical field]
The utility model relates to a kind of salient-pole synchronous generator field, particularly a kind of salient-pole synchronous generator pole coil insulation against ground structure.
[background technology]
Traditional salient-pole synchronous generator pole coil insulation against ground structure, collar cheek and multilayer flexible micanite and alkyd varnished glass cloth are wrapped on the pole core about adopting, make pole coil and pole core form insulation, as Fig. 1, it comprises: pole core 1 ', adjust backing plate 2 ', first supporting plate 3 ', pole coil 4 ', second supporting plate 5 ', jam-pack backing plate 6 ', pole(cell) insulation 7 ', described pole coil 4 ' is arranged between first supporting plate 3 ' and second supporting plate 5 ', described first supporting plate 3 ' supports the inner of being located at described adjustment backing plate 2 ', described pole(cell) insulation 7 ', jam-pack backing plate 6 ', pole coil 4 ' is enclosed within on the described pole core 1 ' from inside to outside successively.In this insulation system, described pole coil 4 ', first supporting plate 3 ', second supporting plate 5 ', pole(cell) insulation 7 ' isolate, there is fit-up gap δ, and the surface creepage distance of described first supporting plate 3 ', second supporting plate 5 ' is not enough, in motor operation course, dust and moisture can immerse from gap delta, dust also can be accumulated in the surface of described first supporting plate 3 ', second supporting plate 5 ', causes pole coil 4 ' insulation against ground resistance to descend, even causes grounding phenomenon.In the high speed unit, also exist described pole(cell) insulation 7 ' to get rid of outside under centrifugal action and cause pole coil 4 ' shorted to earth, cause the burn-down of electric motor accident.Therefore, from the wrapped combination forming pole(cell) insulation that develops into, effect is all undesirable.
[utility model content]
The technical problems to be solved in the utility model is to provide a kind of salient-pole synchronous generator pole coil insulation against ground structure, and it can improve the reliability of insulation greatly.
The utility model is achieved in that a kind of salient-pole synchronous generator pole coil insulation against ground structure, it comprises: pole core, adjust backing plate, first supporting plate, pole coil, second supporting plate, the jam-pack backing plate, pole(cell) insulation, described pole coil is enclosed within on the described pole core, the two ends of described pole coil are lined with second supporting plate respectively, first supporting plate, be provided with described adjustment backing plate below described first supporting plate, be provided with described jam-pack backing plate between described pole coil and the pole core from inside to outside successively, pole(cell) insulation, described first supporting plate, pole coil, second supporting plate, pole(cell) insulation is cured as one.
Further, described first supporting plate, second supporting plate all are made as the rhombus supporting plate of outer rim diamondwise, and the radial width of described supporting plate is all greater than the radial width of described pole coil.
Advantage of the present utility model is:
The utility model with described first supporting plate, pole coil, second supporting plate, pole(cell) insulation according to integral die technology, press curing is an one on hydraulic press, very close to each other between assurance supporting plate, pole coil, the pole(cell) insulation, make the performance of pole coil insulation against ground, proof voltage improve.
2. described first supporting plate of the utility model, the second supporting plate physical dimension are set to the physical dimension greater than described pole coil, and diamondwise shape, increase creepage distance, made the outer rim creepage distance of described pole coil increase more than three times, improved the reliability of pole coil insulation.
[description of drawings]
In conjunction with the embodiments the utility model is further described with reference to the accompanying drawings.
Fig. 1 is the structural representation of traditional salient-pole synchronous generator pole coil insulation against ground structure.
Fig. 2 is the structural representation of the utility model one embodiment.
[embodiment]
See also shown in Figure 2ly, embodiment of the present utility model is described in detail.
As Fig. 2, the utility model one embodiment, it comprises: pole core 1, adjust backing plate 2, first supporting plate 3, pole coil 4, second supporting plate 5, jam-pack backing plate 6, pole(cell) insulation 7, described pole coil 4 is enclosed within on the described pole core 1, the two ends of described pole coil 4 are lined with first supporting plate 3 respectively, second supporting plate 5, the outer end of described first supporting plate 3 is provided with described adjustment backing plate 2, be provided with described jam-pack backing plate 6 between described pole coil 4 and the pole core 1 from inside to outside successively, pole(cell) insulation 7, described first supporting plate 3, pole coil 4, second supporting plate 5, pole(cell) insulation 7 is cured as one.Described first supporting plate 3, second supporting plate 5 are the rhombus supporting plate of outer rim diamondwise, and the radial width of described two supporting plates is all greater than the radial width of described pole coil 4.
The utility model with described first supporting plate 3, pole coil 4, second supporting plate 5, pole(cell) insulation 7 according to integral die technology, press curing is an one on hydraulic press, very close to each other between assurance supporting plate, pole coil 4, the pole(cell) insulation 7, make the performance of pole coil 4 insulation against ground, proof voltage improve.Described first supporting plate 3, second supporting plate, 5 physical dimensions are set to the physical dimension of radial width greater than described pole coil 4, and diamondwise shape, increase creepage distance, made the outer rim creepage distance of described pole coil 4 increase more than three times, improved the reliability of pole coil 4 insulation.
The above, it only is the utility model preferred embodiment, so can not limit the scope that the utility model is implemented according to this, i.e. the equivalence of doing according to the utility model claim and description changes and modifies, and all should still belong in the scope that the utility model contains.
Claims (2)
1. salient-pole synchronous generator pole coil insulation against ground structure, it comprises: pole core, adjust backing plate, first supporting plate, pole coil, second supporting plate, the jam-pack backing plate, pole(cell) insulation, described pole coil is enclosed within on the described pole core, the two ends of described pole coil are lined with second supporting plate respectively, first supporting plate, be provided with described adjustment backing plate below described first supporting plate, it is characterized in that: be provided with described jam-pack backing plate between described pole coil and the pole core from inside to outside successively, pole(cell) insulation, described first supporting plate, pole coil, second supporting plate, pole(cell) insulation is cured as one.
2. a kind of salient-pole synchronous generator pole coil insulation against ground structure according to claim 1, it is characterized in that: described first supporting plate, second supporting plate all are made as the rhombus supporting plate of outer rim diamondwise, and the radial width of described supporting plate is all greater than the radial width of described pole coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206529641U CN201868972U (en) | 2010-12-10 | 2010-12-10 | Pole coil grounded insulating structure of salient-pole synchronizing generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206529641U CN201868972U (en) | 2010-12-10 | 2010-12-10 | Pole coil grounded insulating structure of salient-pole synchronizing generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201868972U true CN201868972U (en) | 2011-06-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206529641U Expired - Fee Related CN201868972U (en) | 2010-12-10 | 2010-12-10 | Pole coil grounded insulating structure of salient-pole synchronizing generator |
Country Status (1)
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| CN (1) | CN201868972U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102403853A (en) * | 2011-11-15 | 2012-04-04 | 中电电机股份有限公司 | Rotor pole structure of synchronous alternating current motor |
| CN103001364A (en) * | 2012-11-15 | 2013-03-27 | 中电电机股份有限公司 | Main pole coil layered structure for separately-excited direct-current motor |
| CN103248142A (en) * | 2013-05-13 | 2013-08-14 | 湘潭电机股份有限公司 | A stator winding and iron core of DC motor and manufacturing method thereof |
| CN108465966A (en) * | 2018-04-11 | 2018-08-31 | 哈尔滨电机厂有限责任公司 | A kind of magnetic pole shell feed plate welding process for protecting method |
| CN110474459A (en) * | 2019-08-08 | 2019-11-19 | 中国长江动力集团有限公司 | A kind of generator amature of electric generator rotor coil and its composition |
| CN113872355A (en) * | 2021-09-30 | 2021-12-31 | 重庆赛力盟电机有限责任公司 | Salient pole rotor and manufacturing method thereof |
| CN113937933A (en) * | 2021-10-15 | 2022-01-14 | 恩施清江大龙潭水电开发有限公司 | Rotor magnetic pole insulation structure and method for improving rotor magnetic pole insulation |
-
2010
- 2010-12-10 CN CN2010206529641U patent/CN201868972U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102403853A (en) * | 2011-11-15 | 2012-04-04 | 中电电机股份有限公司 | Rotor pole structure of synchronous alternating current motor |
| CN103001364A (en) * | 2012-11-15 | 2013-03-27 | 中电电机股份有限公司 | Main pole coil layered structure for separately-excited direct-current motor |
| CN103248142A (en) * | 2013-05-13 | 2013-08-14 | 湘潭电机股份有限公司 | A stator winding and iron core of DC motor and manufacturing method thereof |
| CN108465966A (en) * | 2018-04-11 | 2018-08-31 | 哈尔滨电机厂有限责任公司 | A kind of magnetic pole shell feed plate welding process for protecting method |
| CN110474459A (en) * | 2019-08-08 | 2019-11-19 | 中国长江动力集团有限公司 | A kind of generator amature of electric generator rotor coil and its composition |
| CN113872355A (en) * | 2021-09-30 | 2021-12-31 | 重庆赛力盟电机有限责任公司 | Salient pole rotor and manufacturing method thereof |
| CN113872355B (en) * | 2021-09-30 | 2023-01-20 | 重庆赛力盟电机有限责任公司 | Salient pole rotor and manufacturing method thereof |
| CN113937933A (en) * | 2021-10-15 | 2022-01-14 | 恩施清江大龙潭水电开发有限公司 | Rotor magnetic pole insulation structure and method for improving rotor magnetic pole insulation |
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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 |
Granted publication date: 20110615 Termination date: 20141210 |
|
| EXPY | Termination of patent right or utility model |