CN202888988U - Harmonic-reduction structure applied to generator - Google Patents
Harmonic-reduction structure applied to generator Download PDFInfo
- Publication number
- CN202888988U CN202888988U CN 201220500055 CN201220500055U CN202888988U CN 202888988 U CN202888988 U CN 202888988U CN 201220500055 CN201220500055 CN 201220500055 CN 201220500055 U CN201220500055 U CN 201220500055U CN 202888988 U CN202888988 U CN 202888988U
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- Prior art keywords
- generator
- stator
- wire casing
- stator punching
- harmonic
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Abstract
The utility model discloses a harmonic-reduction structure applied to a generator, which comprises a stator base and more than two mutually and axially overlapped stator punching sheets on the stator base. Each stator punching sheet is provided with more than one trunking and trunkings at the corresponding positions of adjacent stator punching sheets are communicated with each other. A long slot is formed by the communicated trunkings. One end of the long slot is deflected along the radial tangential direction of the stator base, relative to the other end of the long slot. According to the technical scheme of the utility model, since the long slot is deflected the harmonic current, the current induced by a coil is less likely to cause harmonics. Therefore, the generation of over-voltage and over-current is decreased, while the phenomenon of harmonic loss is less likely to happen. The working efficiency of the generator is improved. Meanwhile, the burn-in of an insulating layer is relieved and the service life of the generator is prolonged.
Description
Technical field
The utility model relates to generator.
Background technology
Existing generator mainly comprises stator and rotor, and wherein, stator comprises stator seat, stator punching and coil, is fixed on the stator seat after stator punching is overlapping, has wire casing at stator punching, and described coil holding is in wire casing; Described rotor is installed on the stator seat by bearing.In generator when work, produce harmonic wave easily, and harmonic wave in most of the cases exists harm, and its harm mainly contains: a, cause series resonance and parallel resonance, amplify harmonic wave, the overvoltage of cause danger or overcurrent.B, produce harmonic loss, make send out, power transformation and the efficiency of power-driven equipment reduces.C, acceleration insulation of electrical installation wear out, and make its easy puncture, thereby shorten their useful life.D, make equipment (such as motor, relaying protection, automatics, measuring instrument, power electronic device, computer system, precision instrument etc.) running undesired or can not proper operation.E, interference communications system, the transmission quality of reduction signal destroys the correct transmission of signal, even defective communication equipment.
Based on above-mentioned harm, for generator, should reduce the generation of harmonic wave as far as possible.
Summary of the invention
The purpose of this utility model provides the minimizing harmonic structure of a kind of use in generator, utilizes structure of the present utility model, can reduce the generation of overvoltage, overcurrent, improves the operating efficiency of generator, improves the useful life of generator.
For achieving the above object, a kind of minimizing harmonic structure that uses in generator comprises stator seat, at stator seat the in axial direction overlapping stator punching more than two is installed, stator punching is provided with more than one wire casing, and the wire casing of adjacent stators punching opposite position communicates; The wire casing that communicates forms elongated slot, an end of elongated slot with respect to the other end along stator seat tangential direction deflection radially.The technical solution of the utility model because the elongated slot deflection arranges, is not easy to produce harmonic wave behind the coil generation current, therefore, can reduce the generation of overvoltage, overcurrent; Be not easy to occur the phenomenon of harmonic loss, improved the operating efficiency of generator; Insulating barrier is not easy to wear out, and has improved the useful life of generator.
As specializing, an end of elongated slot is the 0.5-4 degree with respect to the angle excursion of the other end.
As improvement, a side of stator punching is provided with positioning convex, and the opposite side of stator punching is provided with detent.In generator, need to stator punching be installed at stator seat inwall circumference, and stator punching is non-circular laminated structure, therefore, need to inlay assembly to stator punching, in edge assembly process, then realize the location by cooperatively interacting of positioning convex and detent, thereby made things convenient for the installation of stator punching, also improved the precision that stator punching is installed.
As improvement, wire casing has an opening, is equipped with coil in the wire casing, at the opening part of wire casing the magnetic groove is installed and carves, the magnetic groove carve and the wire casing wall between the insulation glue-line is arranged.By the insulation glue-line is set, can improve insulation property, improve the generator purpose in useful life thereby reach.
Description of drawings
Fig. 1 is the structural representation of generator.
Fig. 2 is the structure chart that the stator punching edge is pieced together.
Fig. 3 is the structural representation of stator punching after overlapping.
Fig. 4 is the structural representation after wire casing, coil and magnetic groove are carved assembling.
Fig. 5 is the structure chart of stator punching.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is further elaborated.
As shown in Figure 1, generator comprises stator and rotor.Stator comprises stator seat 11, stator punching 12 and stator coil 13; Rotor comprises rotating shaft 21, rotor core 22 and rotor coil 23.Described rotor core 22 is installed in the rotating shaft 21, and rotor coil 23 is wound on the rotor core 22, and the two ends of rotating shaft 21 are installed on the stator seat 11 by bearing.
As shown in Figure 5, a side of stator punching 12 is provided with positioning convex 121, and the opposite side of stator punching is provided with detent 122; Stator punching 12 is provided with more than one wire casing 3, and wire casing 3 has an opening 31.
As shown in Figures 2 and 3, stator punching 12 more than two is overlapped on the stator seat axis direction, in a circumferential direction, assembly is inlayed in mutual location by positioning convex 121 and detent 122, and by between stator seat 11 and a certain stator punching 12, alignment pin being set, to realize the location to stator punching.
As shown in Figure 3, on the stator seat axis direction, the wire casing 3 of adjacent stators punching opposite position communicates, and the wire casing that communicates forms elongated slot 4, an end of elongated slot 4 with respect to the other end along stator seat tangential direction deflection radially, the preferred 0.5-4 degree of the angle of deflection.
As shown in Figure 4, the coil holding is equipped with the magnetic groove at the opening part of wire casing and carves 5 in elongated slot, the magnetic groove carve 5 and the wire casing wall between the insulation glue-line is arranged, to improve insulation property.
In the present embodiment, because elongated slot 4 deflection settings are not easy to produce harmonic wave behind rotor coil 13 generation currents, therefore, can reduce the generation of overvoltage, overcurrent; Be not easy to occur the phenomenon of harmonic loss, improved the operating efficiency of generator; Insulating barrier is not easy to wear out, and has improved the useful life of generator.
Claims (4)
1. the minimizing harmonic structure of a use in generator, comprise stator seat, at stator seat the in axial direction overlapping stator punching more than two is installed, stator punching is provided with more than one wire casing, and the wire casing of adjacent stators punching opposite position communicates; It is characterized in that: the wire casing that communicates forms elongated slot, an end of elongated slot with respect to the other end along stator seat tangential direction deflection radially.
2. the minimizing harmonic structure of use according to claim 1 in generator, it is characterized in that: an end of elongated slot is the 0.5-4 degree with respect to the angle excursion of the other end.
3. the minimizing harmonic structure of use according to claim 1 and 2 in generator, it is characterized in that: a side of stator punching is provided with positioning convex, and the opposite side of stator punching is provided with detent.
4. the minimizing harmonic structure of use according to claim 1 and 2 in generator, it is characterized in that: wire casing has an opening, is equipped with coil in the wire casing, at the opening part of wire casing the magnetic groove is installed and carves, the magnetic groove carve and the wire casing wall between the insulation glue-line is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220500055 CN202888988U (en) | 2012-09-28 | 2012-09-28 | Harmonic-reduction structure applied to generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220500055 CN202888988U (en) | 2012-09-28 | 2012-09-28 | Harmonic-reduction structure applied to generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202888988U true CN202888988U (en) | 2013-04-17 |
Family
ID=48080378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220500055 Expired - Lifetime CN202888988U (en) | 2012-09-28 | 2012-09-28 | Harmonic-reduction structure applied to generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202888988U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103580315A (en) * | 2013-11-14 | 2014-02-12 | 无锡星诺电气有限公司 | Stator core winding of high-voltage generator |
-
2012
- 2012-09-28 CN CN 201220500055 patent/CN202888988U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103580315A (en) * | 2013-11-14 | 2014-02-12 | 无锡星诺电气有限公司 | Stator core winding of high-voltage generator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150911 Address after: 529500 Guangdong Province, Yangjiang city Jiangcheng District Baisha Street Chashan Road 325 (Yangjiang toll station near) Patentee after: INGEBORG (YANGJIANG) ELECTRIC CO.,LTD. Address before: 510460 Guangdong city of Guangzhou Province Ya Yao Zhen Ya Yuan Nan Lu, Huadu District Patentee before: GUANGZHOU ENGGA GENERATORS Co.,Ltd. |
|
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 529500 Guangdong Province, Yangjiang city Jiangcheng District Baisha Street Chashan Road 325 (Yangjiang toll station near) Patentee after: ENGGA (YANGJIANG) ELECTRIC CO.,LTD. Address before: 529500 Guangdong Province, Yangjiang city Jiangcheng District Baisha Street Chashan Road 325 (Yangjiang toll station near) Patentee before: INGEBORG (YANGJIANG) ELECTRIC CO.,LTD. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20130417 |
|
| CX01 | Expiry of patent term |