CN201717757U - High-efficiency asynchronous motor - Google Patents
High-efficiency asynchronous motor Download PDFInfo
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- CN201717757U CN201717757U CN 201020233923 CN201020233923U CN201717757U CN 201717757 U CN201717757 U CN 201717757U CN 201020233923 CN201020233923 CN 201020233923 CN 201020233923 U CN201020233923 U CN 201020233923U CN 201717757 U CN201717757 U CN 201717757U
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- asynchronous motor
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Abstract
A high-efficiency asynchronous motor comprises a stator and a rotor. The stator includes a stator iron core and a stator winding, the stator winding comprises a main winding and an auxiliary winding, or the stator winding includes a first phase winding, a second phase winding and a third phase winding, and a lead in the main winding or the auxiliary winding simultaneously includes a copper lead and an aluminum lead, or a lead of at least one of the first phase winding, the second phase winding and the third phase winding simultaneously includes a copper lead and an aluminum lead. The wire gauge differences of the copper leads and the aluminum leads are smaller than or equal to 0.2mm, the ratio range of the length to the diameter of the stator iron core ranges from 0.54 to 0.85, and a copper lead in an assembling groove on the stator iron core is arranged on the outer side or the inner side of an aluminum lead. The high-efficiency asynchronous motor is applicable to motors on compressors of refrigerating equipment such as refrigerators, air conditioners and the like, and has the advantages of simple and reasonable structure, flexible operation, low manufacturing cost and wide applicable range.
Description
Technical field
The utility model relates to a kind of motor, particularly a kind of efficient asynchronous motor.
Background technology
Common asynchronous motor, see accompanying drawing 1-accompanying drawing 2, comprise stator 20 and rotor 30, wherein, Fig. 1 is the winding distribution map of monopole asynchronous motor, and Fig. 2 is the winding distribution map of threephase asynchronous, the stator winding of monopole asynchronous motor comprises main winding 1 and auxiliary winding 2, the stator winding of threephase asynchronous comprises the first phase winding W, the second phase winding U and third phase winding V, and wherein, the lead in every phase winding all adopts full copper conductor, full aluminum conductor or the copper-clad aluminum conductor system of twining to form.Because the copper valency on present large raw material market rises steadily and causes adopting the motor production cost of full copper conductor coiling can not to be in any more; And,,, cause adopting the motor efficiency of full aluminum conductor coiling to meet the need of market because the resistivity of aluminium is big by 60% than the resistivity of copper along with the continuous lifting of air-conditioning efficiency grade; In addition, because the processing technology complexity of copper-clad aluminum conductor, the processing cost height causes copper-clad aluminum conductor can't satisfy the market competition needs, and this copper-clad aluminum conductor conflicts with the theme of environmental protection especially mutually in the later stage separation difficulty.
The utility model content
The purpose of this utility model aims to provide a kind of simple and reasonable, flexible operation, cost of manufacture efficient asynchronous motor low, applied widely, to overcome weak point of the prior art.
A kind of efficient asynchronous motor by this purpose design comprises stator and rotor, and stator comprises stator core and stator winding; This stator winding comprises two-phase winding: main winding and auxiliary winding, and perhaps, stator winding comprises three phase windings: first phase winding, second phase winding and third phase winding is characterized in that the lead in main winding or the auxiliary winding comprises copper conductor and aluminum conductor simultaneously; Perhaps, the lead of at least one in first phase winding, second phase winding and the third phase winding comprises copper conductor and aluminum conductor simultaneously.
The wire gauge of described copper conductor and aluminum conductor is poor≤0.2mm.
The length of described stator core and the ratio range of diameter are 0.54～0.85.
Copper conductor in the assembling groove on the described stator core is arranged on the outside or the inboard of aluminum conductor.
Copper conductor in the assembling groove on the described stator core and aluminum conductor mix or are arranged alternately.
Copper conductor in the assembling groove on the described stator core is positioned at a side of aluminum conductor.
Aluminum conductor in the assembling groove on the described stator core is positioned at the both sides of copper conductor.
Copper conductor in the assembling groove on the described stator core is positioned at the both sides of aluminum conductor.
The lead of the utility model by at least one winding in the stator winding is set to copper conductor and aluminum conductor exists simultaneously, with copper conductor and aluminum conductor back coiling simultaneously side by side, perhaps will copper conductor and aluminum conductor before and after separately coiling.Since the price of aluminium than the price advantage of copper obviously and weight lighter, and because the resistivity of copper is 0.0175 Ω .mm^2/m, the resistivity of aluminium is 0.028 Ω .mm^2/m, thereby as long as satisfy the total resistance value of the copper adopted and aluminium is identical can to realize that then motor efficiency remains unchanged, the employing aluminum conductor instead of copper lead slightly thick than copper conductor then can meet the demands, and can also suitably improve copper factor under the prerequisite that satisfies identical manufacturing process; So substitute by the winding that adopts aluminum conductor and copper conductor to mix to original full copper conductor winding, can guarantee under the identical prerequisite of motor efficiency, to reduce production costs greatly.
The utility model goes for the motor on the compressor in refrigeration equipment such as refrigerator, air-conditioning, and it has simple and reasonable, flexible operation, cost of manufacture is low and advantage of wide range of application.
Description of drawings
Fig. 1 is the winding distribution map of monopole asynchronous motor of the prior art.
Fig. 2 is the winding distribution map of threephase asynchronous of the prior art.
Fig. 3 is the sectional structure schematic diagram of the asynchronous motor among the utility model one embodiment.
Fig. 4 is the broken section structural representation of first embodiment of an assembling groove on the stator core in the asynchronous motor.
Fig. 5 is the broken section structural representation of second embodiment of an assembling groove on the stator core in the asynchronous motor.
Fig. 6 is the broken section structural representation of the 3rd embodiment of an assembling groove on the stator core in the asynchronous motor.
Fig. 7 is the broken section structural representation of the 4th embodiment of an assembling groove on the stator core in the asynchronous motor.
Among the figure: 1 is main winding, and 2 is auxiliary winding, and 3 is stator core, and 4 is stator winding, and 5 is copper conductor, and 6 is aluminum conductor, and 10 is assembling groove, and 20 is stator, and 30 is rotor.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described.
Referring to Fig. 3-Fig. 7, this efficient asynchronous motor comprises stator and rotor, and stator comprises stator core 3 and stator winding 4; This stator winding 4 comprises two-phase winding: main winding and auxiliary winding, perhaps, stator winding 4 comprises three phase windings: first phase winding, second phase winding and third phase winding.Lead in main winding or the auxiliary winding comprises copper conductor 5 and aluminum conductor 6 simultaneously; Perhaps, the lead of at least one in first phase winding, second phase winding and the third phase winding comprises copper conductor 5 and aluminum conductor 6 simultaneously.Wherein, the wire gauge of copper conductor 5 and aluminum conductor 6 poor≤0.2mm.
The ratio range of the length L of stator core 3 and diameter D is 0.54～0.85.In this ratio range,, not only can reduce production costs greatly, and can not reduce the performance index of motor again by the part copper lead being implemented substituting of cheap aluminum conductor.
Above content is described from the winding aspect, yet for stator core, winding will pass the one or more assembling grooves 10 on this stator core 3, next from the assembling groove aspect content of the present utility model will be described.
When a winding only passed an assembling groove 10, copper conductor 5 in the assembling groove 10 on the stator core 3 and aluminum conductor 6 can be by following settings: copper conductor 5 in the assembling groove 10 on the stator core 3 and aluminum conductor 6 mix and are provided with, and see Fig. 4; Copper conductor 5 in the assembling groove 10 on the stator core 3 is arranged on the outside or the inboard of aluminum conductor 6, sees Fig. 5; Copper conductor 5 in the assembling groove 10 on the stator core 3 is positioned at a side of aluminum conductor 6, sees Fig. 6; Aluminum conductor 6 in the assembling groove 10 on the stator core 3 is positioned at the both sides of copper conductor 5, sees Fig. 7; Copper conductor in the assembling groove on the stator core is positioned at the both sides of aluminum conductor.As for copper conductor and aluminum conductor when the coiling, both coilings simultaneously, also can before and after separately coiling.
When a winding passes assembling groove 10 more than two, both all copper conductors can be arranged in the assembling groove 10, all aluminum conductors are arranged in another assembling groove 10 then; Also copper conductor and aluminum conductor can be distributed copper conductor and aluminum conductor by aforesaid scheme when a winding only passes an assembling groove 10, and then remaining copper conductor or aluminum conductor all is arranged in another assembling groove.
Below only be that a winding in the stator winding is introduced, both can have adopted the simultaneous structure of copper conductor and aluminum conductor, also can adopt the structure of full copper conductor or full aluminum conductor as for the remaining winding in this stator winding.
After the utility model adopts above-mentioned technical scheme, compare with the motor of full copper conductor coiling, can be in the cost of manufacture that guarantees to reduce greatly under the constant prerequisite of motor efficiency motor, and compare with the motor of full aluminum conductor coiling, can guarantee that then the overall dimensions of motor and weight do not have significant change.
Claims (8)
1. an efficient asynchronous motor comprises stator (20) and rotor (30), and stator (20) comprises stator core (3) and stator winding (4); This stator winding (4) comprises two-phase winding: main winding (1) and auxiliary winding (2), perhaps, stator winding (4) comprises three phase windings: first phase winding (W), second phase winding (U) and third phase winding (V) is characterized in that the lead in main winding (1) or the auxiliary winding (2) comprises copper conductor (5) and aluminum conductor (6) simultaneously; Perhaps, the lead of at least one in first phase winding (W), second phase winding (U) and the third phase winding (V) comprises copper conductor (5) and aluminum conductor (6) simultaneously.
2. efficient asynchronous motor according to claim 1 is characterized in that the wire gauge of described copper conductor (5) and aluminum conductor (6) is poor≤0.2mm.
3. efficient asynchronous motor according to claim 2 is characterized in that the length (L) of described stator core (3) and the ratio range of diameter (D) are 0.54～0.85.
4. according to the described efficient asynchronous motor of the arbitrary claim of claim 1 to 3, it is characterized in that the copper conductor (5) in the assembling groove (10) on the described stator core (3) is arranged on the outside or the inboard of aluminum conductor (6).
5. according to the described efficient asynchronous motor of the arbitrary claim of claim 1 to 3, it is characterized in that copper conductor (5) in the assembling groove (10) on the described stator core (3) and aluminum conductor (6) mix or be arranged alternately.
6. according to the described efficient asynchronous motor of the arbitrary claim of claim 1 to 3, it is characterized in that the copper conductor (5) in the assembling groove (10) on the described stator core (3) is positioned at a side of aluminum conductor (6).
7. according to the described efficient asynchronous motor of the arbitrary claim of claim 1 to 3, it is characterized in that the aluminum conductor (6) in the assembling groove (10) on the described stator core (3) is positioned at the both sides of copper conductor (5).
8. according to the described efficient asynchronous motor of the arbitrary claim of claim 1 to 3, it is characterized in that the copper conductor (5) in the assembling groove (10) on the described stator core (3) is positioned at the both sides of aluminum conductor (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020233923 CN201717757U (en) | 2010-06-12 | 2010-06-12 | High-efficiency asynchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020233923 CN201717757U (en) | 2010-06-12 | 2010-06-12 | High-efficiency asynchronous motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201717757U true CN201717757U (en) | 2011-01-19 |
Family
ID=43463764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020233923 Expired - Lifetime CN201717757U (en) | 2010-06-12 | 2010-06-12 | High-efficiency asynchronous motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201717757U (en) |
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 |
| CN106063082A (en) * | 2014-03-12 | 2016-10-26 | 法雷奥电机设备公司 | Rotatable electrical machine |
| US11187165B2 (en) * | 2018-01-11 | 2021-11-30 | Mtu Friedrichshafen Gmbh | Method for the open-loop and closed-loop control of an internal combustion engine with a generator and asynchronous machine, open-loop and closed-loop control unit, and internal combustion engine |
-
2010
- 2010-06-12 CN CN 201020233923 patent/CN201717757U/en not_active Expired - Lifetime
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 |
| CN106063082A (en) * | 2014-03-12 | 2016-10-26 | 法雷奥电机设备公司 | Rotatable electrical machine |
| US11187165B2 (en) * | 2018-01-11 | 2021-11-30 | Mtu Friedrichshafen Gmbh | Method for the open-loop and closed-loop control of an internal combustion engine with a generator and asynchronous machine, open-loop and closed-loop control unit, and internal combustion engine |
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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: Anhui Meizhi Precision Manufacturing Co., Ltd. Assignor: Guangdong Meizhi Compressor Ltd. Contract record no.: 2012440000061 Denomination of utility model: Novel high-efficiency asynchronous motor Granted publication date: 20110119 License type: Exclusive License Record date: 20120227 |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110119 |