CN202889063U - Hybrid excitation driving motor used for electric automobile - Google Patents
Hybrid excitation driving motor used for electric automobile Download PDFInfo
- Publication number
- CN202889063U CN202889063U CN2012203699118U CN201220369911U CN202889063U CN 202889063 U CN202889063 U CN 202889063U CN 2012203699118 U CN2012203699118 U CN 2012203699118U CN 201220369911 U CN201220369911 U CN 201220369911U CN 202889063 U CN202889063 U CN 202889063U
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- magnetic conductor
- drive motors
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- electric vehicle
- electric automobile
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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Abstract
The utility model relates to a hybrid excitation driving motor used for an electric automobile. The hybrid excitation driving motor used for the electric automobile includes a stator, a rotor, an end cap, a magnetizing bridge, a rotary transformer and a controller. The stator includes a water-cooling housing, a stator iron core and a stator winding. The rotor includes a rotary shaft, magnetizers, a steel magnet, a liner and a bearing. The housing is inside provided with a plurality of water-cooling channels. Two side parts of the housing are provided with returning grooves communicated with the water-cooling channels. The magnetizers include an N-electrode magnetizer and an S-electrode magnetizer. The steel magnet is installed between the N-electrode magnetizer and the S-electrode magnetizer. One end of the steel magnet is fixed on the housing while the other end is arranged in a cavity formed between the N-electrode magnetizer and the S-electrode magnetizer. And gaps are arranged between the steel magnet and the two magnetizers. The utility model develops the novel hybrid excitation driving motor used for the electric automobile. The hybrid excitation driving motor used for the electric automobile has characteristics of high efficiency and large torque, and also has a function of adjusting an air-gap field smoothly and is wide in flux-weakening speed-adjusting range. The hybrid excitation driving motor used for the electric automobile is ideal for the electric automobile.
Description
Technical field
The utility model relates to
A kind of used for electric vehicle composite excitation drive motors
Background technology
At present, because the global energy especially is becoming tight petroleum resources day, world car big country has all strengthened particularly research and development and the industrialization of electric automobile of new-energy automobile.But because achieving no breakthrough property of the research and development progress of electrokinetic cell and drive motors causes the industrialization process of electric automobile slower.Mainly contain at present two kinds of magneto and asynchronous machines in the drive motors field, but because the weak magnetic scope of magneto is little, the output-constant operation district is narrow, asynchronous machine efficient is low, mechanical property is soft, both all can not finely satisfy the characteristics that driving motor for electric automobile requirement low speed torque is large, high speed constant power district is wide, efficient is high, and all there is the bad defective of heat dispersion in above-mentioned both versions, affect the useful life of excitation drive motors.
The utility model content
The utility model has been designed and developed a kind of new type composite excitation drive motors for the deficiency of above drive motors.Efficient, the high pulling torque of the existing magneto of this drive motors have again the level and smooth adjustable function of air-gap field, and weak-magnetic speed-regulating range is broad, is the desirable drive motors of electric automobile.
The technical solution adopted in the utility model is for this reason: the utility model comprises stator, rotor, end cap, magnetic conduction bridge, resolver and controller; Stator comprises water cooling unit shell, stator core, stator winding; Rotor comprises rotating shaft, magnetic conductor, magnet steel, lining, bearing;
Be provided with some water-cooling channels in the described casing, the casing both sides are provided with the turning slot that is communicated with each cold water channel;
Described magnetic conductor comprises N utmost point magnetic conductor and S utmost point magnetic conductor, and magnet steel is contained between N utmost point magnetic conductor and the S utmost point magnetic conductor, and magnet steel one end is fixed on the casing, and the other end and keeps the gap with two magnetic conductors within the cavity that N utmost point magnetic conductor and S utmost point magnetic conductor form.
Described each water-cooling channel parallel longitudinal is arranged between casing inner wall, the outer wall, and the casing both sides are provided with the turning slot that is communicated with adjacent cold water channel.
Described casing is provided with flange and the end cap with its connection, and flange and end cap correspondence position are provided with the turning slot corresponding with water-cooling channel.
Described end cap and casing junction are smeared fluid sealant and are filled sealing ring.
Described motor stator winding adopts the loose mush winding of fractional-slot.
Described stator core adopts skewed slot to laminate.
Described bearing is contact bearing back-to-back.
The protection of multichannel PTC thermometric is set in the mixed excitation electric machine winding.
The utility model has the advantages that: 1) the utility model is provided with some cold water channels, and cold water can circulate in motor by turning slot, and its heat dispersion greatly improves, and has prolonged the useful life of motor; 2) the utility model is arranged on N utmost point magnetic conductor and S utmost point magnetic conductor with magnet steel, compact conformation, and the motor of this kind version has efficiently, high pulling torque, has again the level and smooth adjustable function of air-gap field, and weak-magnetic speed-regulating range is broad; 3) the utility model cooperates the contact position to smear fluid sealant and fill sealing ring at two flanges or end cap with casing, guarantees that liquid seals fully in enclosure interior; 4) the utility model motor stator winding is that the loose mush winding of fractional-slot and iron core adopt skewed slot to laminate.One can weaken the high order harmonic component electromotive force that magnetic pole and magnetic field non-sine distributions produces, and improves the waveform of electromotive force; Its two can effectively weaken magneto Cogging Torque and and harmonic torque; Its three pulsating amplitude that has reduced to change because of air-gap permeance the every utmost point magnetic flux cause has reduced the pulsation loss of magnetic pole surfaces; Its mush winding that scatters adopts the enamel insulated round copper wire coiling to form, and is convenient to roll off the production line; 5) the utility model bearing is contact bearing back-to-back, has the advantage of high speed high reliability.Compared better rigidity with single-row bearing, can bear tilting moment, bearing is Nonseparation, is specially adapted to the application scenario that high rigidity requires, and can bear larger radial load is main radial and axial joint load and moment load; 6) rotating shaft of the utility model mixed excitation electric machine is the high strength non-magnet_conductible material, has good resistance to chemical attack and electrochemical corrosion performance, and heat-resisting, high temperature resistant.Guarantee that it can not magnetized by magnet steel on the one hand, guarantee simultaneously in the high speed rotating process, can not be out of shape; 7) resolver of this mixed excitation electric machine of the utility model revolves change for the Japanese river of rubbing more.The river of rubbing is revolved and become to be adopted brushless reluctance type design more, and is easy to maintenance, uses reliably, and the life-span is long, to mechanical and the electrical equipment noise is insensitive.And the ability with adverse environment resistant; 8) be provided with the protection of multichannel PTC thermometric in the utility model winding, temperature measurement accuracy is high, can measure variations in temperature among a small circle, and error is little, can effectively protect motor.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2,3 is water-cooling structure figure of the present utility model.
Fig. 4,5 is, the structural representation of the utility model magnetic conductor.
1 is that end cap, 2 is that stator core, 3 is that stator winding, 4 is that magnetic conductor, 5 is that lining, 6 is that bearing, 7 is that rotating shaft, 8 is that flange, 9 is that casing, 10 is that water-cooling channel, 11 is that electric connector, 12 is that magnet steel, 13 is that turning slot, 14 is that N utmost point magnetic conductor, 15 is S utmost point magnetic conductor among the figure.
Embodiment
The utility model comprises stator, rotor, end cap 1, magnetic conductor 4, resolver and controller, and stator comprises water cooling unit shell 9, stator core 2, stator winding 3; Rotor comprises rotating shaft 7, magnetic conductor 4, magnet steel 12, lining 5, bearing 6.See accompanying drawing 1.
The described water-cooling type casing 9 of this mixed excitation electric machine adopts axially circuitous water channel; Cooling water enters from water inlet, circulation was discharged from delivery port after one week, film-cooled heat is large, cooling effect is good, casing 9 intensity, and two ends also can utilize independent sealing flange 8 and casing 9 to form whole by end cap 1 sealing, on flange 8 or the end cap 1 backwater channel is arranged all, punching and connecting tube on the casing 9, pipeline is connected with extraneous liquid, connects water pump in the middle of pipeline, liquid-circulating is flowed, play hydronic effect.Cooperate the contact position to smear fluid sealant with casing 9 and fill sealing ring at two flanges 8 or end cap 1, guarantee that liquid seals fully in enclosure interior.See accompanying drawing 2, Fig. 3.
This mixed excitation electric machine stator winding 3 adopts skewed slots to laminate for the loose mush winding of fractional-slot and stator core 2.
The magnetic conductor 4 of this mixed excitation electric machine comprises N utmost point magnetic conductor 14 and S utmost point magnetic conductor 15, and magnet steel 12 is contained between N utmost point magnetic conductor 14 and the S utmost point magnetic conductor 15, and magnetic conductor 4 has formed the tangential magnetic field structure jointly with magnet steel 12, sees accompanying drawing 4.Magnet steel 12 1 ends are fixed on the end cap 1, and the other end and keeps the gap with two magnetic conductors within the cavity that N utmost point magnetic conductor 14 and S utmost point magnetic conductor 15 forms.
The bearing 6 of this mixed excitation electric machine is contact bearing back-to-back, has the advantage of high speed high reliability.Compared better rigidity with single-row bearing, can bear tilting moment, bearing 6 is Nonseparation, is specially adapted to the application scenario that high rigidity requires, and can bear larger radial load is main radial and axial joint load and moment load.
The rotating shaft 7 of this mixed excitation electric machine is the high strength non-magnet_conductible material, has good resistance to chemical attack and electrochemical corrosion performance, and heat-resisting, high temperature resistant.Guarantee that it can not magnetized by magnet steel on the one hand, guarantee simultaneously in the high speed rotating process, can not be out of shape.
The lining 5 of this mixed excitation electric machine is non-magnet_conductible material, has guaranteed that it can not magnetized by magnet steel.
The resolver of this mixed excitation electric machine revolves change for the Japanese river of rubbing more.The river of rubbing is revolved and become to be adopted brushless reluctance type design more, and is easy to maintenance, uses reliably, and the life-span is long, to mechanical and the electrical equipment noise is insensitive.And the ability with adverse environment resistant.
Be provided with the protection of multichannel PTC thermometric in the winding 3 of this mixed excitation electric machine, temperature measurement accuracy is high, can measure variations in temperature among a small circle, and error is little, can effectively protect motor.
Claims (1)
1.
A kind of used for electric vehicle composite excitation drive motors is characterized in that,Comprise stator, rotor, end cap, magnetic conduction bridge, resolver and controller; Stator comprises water cooling unit shell, stator core, stator winding; Rotor comprises rotating shaft, magnetic conductor, magnet steel, lining, bearing;
Be provided with some water-cooling channels in the described casing, the casing both sides are provided with the turning slot that is communicated with each cold water channel;
Described magnetic conductor comprises N utmost point magnetic conductor and S utmost point magnetic conductor, and magnet steel is contained between N utmost point magnetic conductor and the S utmost point magnetic conductor, and magnet steel one end is fixed on the casing, and the other end and keeps the gap with two magnetic conductors within the cavity that N utmost point magnetic conductor and S utmost point magnetic conductor form.
2, a kind of used for electric vehicle composite excitation drive motors according to claim 1 is characterized in that, described each water-cooling channel parallel longitudinal is arranged between casing inner wall, the outer wall, and the casing both sides are provided with the turning slot that is communicated with adjacent cold water channel.
3, a kind of used for electric vehicle composite excitation drive motors according to claim 1 is characterized in that described casing is provided with flange and the end cap with its connection, and flange and end cap correspondence position are provided with the turning slot corresponding with water-cooling channel.
4, a kind of used for electric vehicle composite excitation drive motors according to claim 3 is characterized in that described end cap and casing junction are smeared fluid sealant and filled sealing ring.
5, a kind of used for electric vehicle composite excitation drive motors according to claim 1 is characterized in that, described motor stator winding adopts the loose mush winding of fractional-slot.
6, a kind of used for electric vehicle composite excitation drive motors according to claim 1 is characterized in that, described stator core adopts skewed slot to laminate.
7, a kind of used for electric vehicle composite excitation drive motors according to claim 1 is characterized in that, described bearing is contact bearing back-to-back.
8, a kind of used for electric vehicle composite excitation drive motors according to claim 1 is characterized in that, the protection of multichannel PTC thermometric is set in the mixed excitation electric machine winding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203699118U CN202889063U (en) | 2012-07-30 | 2012-07-30 | Hybrid excitation driving motor used for electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203699118U CN202889063U (en) | 2012-07-30 | 2012-07-30 | Hybrid excitation driving motor used for electric automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202889063U true CN202889063U (en) | 2013-04-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012203699118U Expired - Fee Related CN202889063U (en) | 2012-07-30 | 2012-07-30 | Hybrid excitation driving motor used for electric automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202889063U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103595212A (en) * | 2013-10-17 | 2014-02-19 | 泰豪科技股份有限公司 | Mixed magnetic power frequency power generator |
-
2012
- 2012-07-30 CN CN2012203699118U patent/CN202889063U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103595212A (en) * | 2013-10-17 | 2014-02-19 | 泰豪科技股份有限公司 | Mixed magnetic power frequency power generator |
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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: Jiangsu Yingtai Motor Co., Ltd. Assignor: Yingtai Group Co.,Ltd. Contract record no.: 2014320000247 Denomination of utility model: Hybrid-excitation driving motor for electric car Granted publication date: 20130417 License type: Exclusive License Record date: 20140325 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130417 Termination date: 20180730 |