CN203193420U - Three-phase motor stator winding configuration - Google Patents
Three-phase motor stator winding configuration Download PDFInfo
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- CN203193420U CN203193420U CN 201320098002 CN201320098002U CN203193420U CN 203193420 U CN203193420 U CN 203193420U CN 201320098002 CN201320098002 CN 201320098002 CN 201320098002 U CN201320098002 U CN 201320098002U CN 203193420 U CN203193420 U CN 203193420U
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Abstract
The utility model discloses a three-phase motor stator winding configuration. The three-phase motor stator winding configuration comprises three phase coils and multiple coil slots, wherein the three phase coils comprise a first phase coil, a second phase coil and a third phase coil, the first phase coil, the second phase coil and the third phase coil are sequentially arranged in the multiple coil slots from outside to inside, the three phase coils are respectively prepared by copper wires and aluminum wires, the copper wires and the aluminum wires in each phase coil are in series connection, the aluminum wires of two phase coils are connected with the copper wires of another phase coil, the copper wires and the aluminum wires of each phase coil are n units in the coil slots, the n is a natural number greater than 1, the copper wire units and the aluminum wire units of each phase coil are alternatively distributed in the multiple coil slots, and only two identical aluminum wires or copper wires of the three phase coils are in each coil slot. The three-phase motor stator winding configuration solves a problem of burning damage to a motor winding caused by concentrated one-position heating when heavy current passes through a three-phase motor.
Description
Technical field
The utility model relates to the stator winding configuration of three phase electric machine.
Background technology
Coil in the part motor winding only is made of copper, if but the coil in the motor winding only is made of copper, because the big proportion of copper cash, it is heavy that motor weight just becomes, therefore in order to reduce the weight of motor, a part of motor of present stage changes to the aluminum steel coil with a part of copper coil of motor winding, nowadays copper cash and aluminum steel deviation configuration in the motor winding of three phase electric machine, as Fig. 1, shown in Figure 2, a plurality of aluminum steels unit 9 and copper cash unit 10 are all arranged in each phase coil, aluminum steel unit 9 in each phase coil all is alternately distributed in the online ring recess 11 with copper cash unit 10, and the decentralized configuration that staggers of the aluminum steel unit 9 in the three-phase coil, cause a plurality of aluminum steels unit 9 in the three-phase coil overlapping in partial line ring recess 11, because aluminum steel is bigger than the resistance of copper cash in the three-phase coil, so the big aluminum steel of resistance is than the easy heating of copper cash, and the aluminum steel unit in the overlapping three-phase coil makes the aluminum steel temperature of motor winding rise obviously, in the time of the logical big electric current of three phase electric machine, exist the motor winding by the defective of scaling loss.
The utility model content
The purpose of this utility model is at above-mentioned the deficiencies in the prior art, provides a kind of and disposed by the stator winding of the three phase electric machine of scaling loss can prevent the motor winding temperature obviously rises under the situation of the logical big electric current of motor the time.
The technical solution of the utility model is achieved in that a kind of stator winding configuration of three phase electric machine, it comprises three-phase coil, a plurality of coil grooves, described three-phase coil comprises first phase coil, second phase coil, the third phase coil, described first phase coil, second phase coil, the third phase coil is successively set in a plurality of coil grooves from outside to inside, described three-phase coil constitutes by copper cash and aluminum steel, copper cash in each mutually described coil is connected with aluminum steel, wherein the aluminum steel in two phase coils is connected with copper cash in all the other phase coils, copper cash in each mutually described coil, unit in the online ring recess of aluminum steel is respectively arranged with n, wherein, n is〉1 natural number, copper cash unit in each phase coil, the aluminum steel units alternately is distributed in a plurality of coil grooves, and described three-phase coil only has the identical aluminum steel of two-phase or copper cash in each coil groove.
Preferably, the resistance of every mutually described coil all equates.
Preferably, in described first phase coil in n aluminum steel unit, second phase coil in n aluminum steel unit, the third phase coil n aluminum steel unit corresponding and overlapping successively respectively one by one, in described first phase coil in n aluminum steel unit, the third phase coil n aluminum steel unit be arranged in the two ends of second a phase coil n aluminum steel unit respectively.
Preferably, in described first phase coil in n aluminum steel unit, second phase coil in n aluminum steel unit, the third phase coil n aluminum steel unit overlapping successively with clockwise direction respectively.
Preferably, in described first phase coil in n aluminum steel unit, second phase coil in n aluminum steel unit, the third phase coil n aluminum steel unit overlapping successively with counterclockwise direction respectively.
Preferably, n aluminum steel unit in described first phase coil and the overlap length of n aluminum steel unit in second phase coil be respectively less than 1/2 of the n in second phase coil aluminum steel element length, and n aluminum steel unit in described second phase coil and n aluminum steel cells overlap length in the third phase coil are respectively less than 1/2 of the n in second phase coil aluminum steel element length.
The beneficial effects of the utility model are:
The weight of one, copper cash is big, and the weight of aluminum steel is little.A motor winding part changes to aluminum steel from copper cash, just can realize alleviating the weight of motor;
They are two years old, the configuration of traditional motor winding, motor winding aluminum steel temperature rises obviously, during the logical big electric current of three phase electric machine, the shortcoming that motor winding scaling loss is arranged, now the aluminum steel unit in the coil groove pretty good is arranged, i.e. n aluminum steel unit in first phase coil, n aluminum steel unit in second phase coil, n aluminum steel unit is corresponding and overlapping successively respectively one by one in the third phase coil, n aluminum steel unit in first phase coil, n aluminum steel unit is arranged in the two ends of second a phase coil n aluminum steel unit respectively in the third phase coil, make three-phase coil that the identical aluminum steel of two-phase or copper cash only be arranged in each coil groove, heat can disperse, when three phase electric machine leads to big electric current, cause the motor winding by the problem of scaling loss thereby solved because concentrating on a local heating.
Three, the aluminum steel of each phase and copper cash are all connected, and the resistance of the motor winding of three phase electric machine equates, electric current can be easy to heat radiation in three-phase dispersion train mistake swimmingly.
Description of drawings
The utility model is described in further detail below in conjunction with the embodiment in the accompanying drawing, but do not constitute any restriction of the present utility model.
Fig. 1 is the structural representation of the stator winding configuration three-phase coil of existing three phase electric machine;
Fig. 2 is the stator winding configuration three-phase coil of existing three phase electric machine, the structural representation of coil groove.
Fig. 3 is the winding diagram of three-phase coil during the stator winding of the utility model three phase electric machine disposes;
Fig. 4 is the structural representation of the stator winding configuration center line ring recess of the utility model three phase electric machine;
Fig. 5 is the structural representation of first phase coil among the embodiment one;
Fig. 6 is the structural representation of first phase coil among the embodiment one, second phase coil;
Fig. 7 is the structural representation of first phase coil among the embodiment one, second phase coil, third phase coil;
Fig. 8 is the structural representation of first phase coil among the embodiment one, second phase coil, third phase coil, coil groove;
Fig. 9 is the structural representation of first phase coil among the embodiment two, second phase coil, third phase coil;
Figure 10 is the structural representation of first phase coil among the embodiment two, second phase coil, third phase coil, coil groove;
Figure 11 is the structural representation of first phase coil among the embodiment three, second phase coil, third phase coil;
Figure 12 is the structural representation of first phase coil among the embodiment three, second phase coil, third phase coil, coil groove;
Embodiment
Below in conjunction with accompanying drawing preferred embodiment of the present utility model is described in detail, thereby so that advantage of the present utility model and feature can be easier to be it will be appreciated by those skilled in the art that protection range of the present utility model is made more explicit defining.
Consult Fig. 3 to shown in Figure 12, the stator winding configuration of three phase electric machine, it comprises a plurality of coil grooves 4, three-phase coil, three-phase coil comprises first phase coil 1, second phase coil 2, third phase coil 3, first phase coil 1, second phase coil 2, third phase coil 3 is successively set in a plurality of coil grooves 4 from outside to inside, three-phase coil constitutes by copper cash 5 and aluminum steel 6, copper cash 5 in each phase coil is connected with aluminum steel 6, wherein the aluminum steel 6 in two phase coils is connected with copper cash 5 in all the other phase coils, copper cash 5 in each phase coil, unit in the aluminum steel 6 online ring recess 4 is respectively arranged with n, wherein, n is〉1 natural number, copper cash unit 7 in each phase coil, aluminum steel unit 8 is alternately distributed in a plurality of coil grooves 4, three-phase coil only has two-phase identical aluminum steel 6 or copper cash 5 in each coil groove 4, aluminum steel unit 8 in the three-phase coil well turned up the soil be dispersed in the coil groove 4, making all has one mutually or the two-phase aluminum steel in each coil groove 4, do not exist the three-phase aluminum steel all to concentrate in the coil groove 4, heat can disperse, in the time of the logical big electric current of three phase electric machine, cause the motor winding by the problem of scaling loss thereby solved because concentrating on local a heating.
In addition, in order to make electric current to be easy to heat radiation in three-phase dispersion train mistake swimmingly, then the resistance of every phase coil all equates.
Embodiment one
Extremely shown in Figure 8 as Fig. 5, n is 2, then the unit in the copper cash 5 in each phase coil, the aluminum steel 6 online ring recess 4 is respectively arranged with two, in first phase coil 1 in two aluminum steel unit 8, second phase coil 2 in two aluminum steel unit 8, the third phase coil 3 two aluminum steel unit 8 corresponding and overlapping successively respectively one by one, in first phase coil in two aluminum steel unit 8, the third phase coil two aluminum steel unit 8 be arranged in the two ends of two aluminum steel unit 8 of second phase coil respectively.In the present embodiment, two aluminum steel unit 8 in first phase coil 1, two aluminum steel unit 8 in second phase coil 2, two aluminum steel unit 8 are overlapping successively with clockwise direction respectively in the third phase coil 3, two aluminum steel unit 8 in first phase coil 1 and the overlap length of two aluminum steel unit 8 in second phase coil 2 are respectively less than 1/2 of two aluminum steel unit 8 length in second phase coil 2, two aluminum steel unit 8 in second phase coil 2 and two aluminum steel unit 8 overlap lengths in the third phase coil 3 are respectively less than 1/2 of two aluminum steel unit 8 length in second phase coil 2, can make two aluminum steel unit 8 and two aluminum steel unit 8 in the third phase coil 3 in the phase coil 1 of winning lay respectively at the two ends of two aluminum steel unit 8 in second phase coil 2 like this, having guaranteed only has two-phase identical aluminum steel 6 or copper cash 5 in each coil groove 4.
Embodiment two
As Fig. 9, shown in Figure 10, with different among the embodiment one be, in first phase coil 1 in two aluminum steel unit 8, second phase coil 2 in two aluminum steel unit 8, the third phase coil 3 two aluminum steel unit 8 overlapping successively with counterclockwise direction respectively.
Embodiment three
As Figure 11, shown in Figure 12, different with embodiment one is that n is 3, the copper cash 5 in each phase coil then, unit in the aluminum steel 6 online ring recess 4 is respectively arranged with three, three aluminum steel unit 8 in first phase coil 1, three aluminum steel unit 8 in second phase coil 2, three aluminum steel unit 8 are corresponding and overlapping successively respectively one by one in the third phase coil 3, three aluminum steel unit 8 in first phase coil 1, three aluminum steel unit 8 are arranged in the two ends of 2 three aluminum steel unit 8 of second phase coil respectively in the third phase coil 3, three aluminum steel unit 8 in first phase coil 1 and the overlap length of three aluminum steel unit 8 in second phase coil 2 respectively less than three aluminum steel unit 8 overlap lengths in three the aluminum steel unit 8 in 1/2, the second phase coil 2 of three aluminum steel unit 8 length in second phase coil 2 and the third phase coil 3 respectively less than 1/2 of three aluminum steel unit 8 length in second phase coil 2.
Above execution mode only is explanation technical conceive of the present utility model and characteristics; its purpose is to allow the people that is familiar with this technology understand content of the present utility model and is implemented; can not limit protection range of the present utility model with this; all equivalences of doing according to the utility model spirit essence change or modify, and all should be encompassed in the protection range of the present utility model.
Claims (6)
1. the stator winding of three phase electric machine configuration, it comprises three-phase coil, a plurality of coil grooves, described three-phase coil comprises first phase coil, second phase coil, the third phase coil, described first phase coil, second phase coil, the third phase coil is successively set in a plurality of coil grooves from outside to inside, it is characterized in that: described three-phase coil constitutes by copper cash and aluminum steel, copper cash in each mutually described coil is connected with aluminum steel, wherein the aluminum steel in two phase coils is connected with copper cash in all the other phase coils, copper cash in each mutually described coil, unit in the online ring recess of aluminum steel is respectively arranged with n, wherein, n is〉1 natural number, copper cash unit in each phase coil, the aluminum steel units alternately is distributed in a plurality of coil grooves, and described three-phase coil only has the identical aluminum steel of two-phase or copper cash in each coil groove.
2. the stator winding of three phase electric machine according to claim 1 configuration is characterized in that: the resistance of every mutually described coil all equates.
3. the stator winding of three phase electric machine according to claim 1 and 2 configuration, it is characterized in that: in described first phase coil in n aluminum steel unit, second phase coil in n aluminum steel unit, the third phase coil n aluminum steel unit corresponding and overlapping successively respectively one by one, in described first phase coil in n aluminum steel unit, the third phase coil n aluminum steel unit be arranged in the two ends of second a phase coil n aluminum steel unit respectively.
4. the stator winding of three phase electric machine according to claim 3 configuration is characterized in that: in described first phase coil in n aluminum steel unit, second phase coil in n aluminum steel unit, the third phase coil n aluminum steel unit overlapping successively with clockwise direction respectively.
5. the stator winding of three phase electric machine according to claim 3 configuration is characterized in that: in described first phase coil in n aluminum steel unit, second phase coil in n aluminum steel unit, the third phase coil n aluminum steel unit overlapping successively with counterclockwise direction respectively.
6. the stator winding according to claim 4 or 5 described three phase electric machines disposes, it is characterized in that: n aluminum steel unit in described first phase coil and the overlap length of n aluminum steel unit in second phase coil be respectively less than 1/2 of the n in second phase coil aluminum steel element length, and n aluminum steel unit in described second phase coil and n aluminum steel cells overlap length in the third phase coil are respectively less than 1/2 of the n in second phase coil aluminum steel element length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320098002 CN203193420U (en) | 2013-03-04 | 2013-03-04 | Three-phase motor stator winding configuration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320098002 CN203193420U (en) | 2013-03-04 | 2013-03-04 | Three-phase motor stator winding configuration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203193420U true CN203193420U (en) | 2013-09-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320098002 Withdrawn - After Issue CN203193420U (en) | 2013-03-04 | 2013-03-04 | Three-phase motor stator winding configuration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203193420U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103208874A (en) * | 2013-03-04 | 2013-07-17 | 苏州爱知科技有限公司 | Stator winding configuration of three-phase electric motor |
| CN106416003A (en) * | 2014-01-22 | 2017-02-15 | 松下知识产权经营株式会社 | Three-phase motor |
-
2013
- 2013-03-04 CN CN 201320098002 patent/CN203193420U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103208874A (en) * | 2013-03-04 | 2013-07-17 | 苏州爱知科技有限公司 | Stator winding configuration of three-phase electric motor |
| CN106416003A (en) * | 2014-01-22 | 2017-02-15 | 松下知识产权经营株式会社 | Three-phase motor |
| CN106416003B (en) * | 2014-01-22 | 2019-01-29 | 松下知识产权经营株式会社 | Threephase motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130911 Effective date of abandoning: 20150429 |