CN205123538U - Electric motor car permanent magnetism has brush motor - Google Patents
Electric motor car permanent magnetism has brush motor Download PDFInfo
- Publication number
- CN205123538U CN205123538U CN201520898315.2U CN201520898315U CN205123538U CN 205123538 U CN205123538 U CN 205123538U CN 201520898315 U CN201520898315 U CN 201520898315U CN 205123538 U CN205123538 U CN 205123538U
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- CN
- China
- Prior art keywords
- brush
- motor
- rotor
- motor shaft
- permanent magnetism
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- Withdrawn - After Issue
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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 an electric vehicle driving motor. An electric motor car permanent magnetism has brush motor, includes that shell body, matching set up at the end cover at shell body both ends, pass through motor shaft, permanent magnetism tile and the brush of bearing setting between two end covers, outer shells inner wall on be the circumference and evenly be covered with and be provided with polylith permanent magnetism tile, with motor shaft that permanent magnetism tile corresponds on be provided with rotor core, the last rotor coil that is equipped with of rotor core, the motor shaft on still the cover be equipped with three conducting ring, the rotor coil stretches out there is the three phase current line and corresponds with three conducting ring respectively to be connected, three conducting ring correspond to slide respectively to touch and has connect first brush, second brush and third brush, three brush is connected with three motor dynamic lines respectively. The utility model discloses a set up the permanent magnetism tile on the motor shell inner wall, effectively utilized the permanent magnet to compare the characteristic that thickness is thin with former stator coil, in the space with having increased the rotor under isopyknic circumstances, make the rotor diameter can strengthen and then promote the output torque of rotor.
Description
Technical field
The utility model relates to a kind of drive motors of electric motor car, concrete a kind of electric motor car permanent magnet brush motor.
Background technology
Current, along with the fast development of national economy, the concept that electric automobile environmental protection, energy-saving and emission-reduction and low-carbon (LC) are consumed has become the main flow of social development, the demand that people purchase electric automobile increases severely day by day, the drive motors of electric automobile is the core component of electric automobile, and the quality of drive motors, outputting torsion, efficiency, useful life are the piths judging electric automobile quality, performance.In the prior art, the drive motors of electric automobile is roughly divided into: AC induction motor, permanent magnetic brushless, permagnetic synchronous motor and brush direct current motor.Wherein, AC induction motor has the large advantage of outputting torsion, and shortcoming is that efficiency is low, only has about 80% under normal circumstances.Brushless, permanently, permagnetic synchronous motor rely on rotor and arrange permanent magnet, the natural magnetic energy that permanent magnet produces, and effectively can save power consumption, make the efficiency of motor obtain certain lifting, but deficiency is that outputting torsion is less than normal compared with AC induction motor.Brush direct current motor has the large advantage of outputting torsion equally, but its electric efficiency efficiency roughly the same with alternating current asynchronous is on the low side, and the interval trough of epitrochanterian electrode converter makes wear of brush very fast, and useful life is on the low side.Therefore, how to design a kind of long service life, efficiency is high, outputting torsion is large driving motor for electric automobile is industry striving direction.
Utility model content
The purpose of this utility model is the characteristic for the various drive motors of existing industry, the ingenious advantage utilizing various motor, evades the deficiency that various motor exists, provides a kind of electric motor car permanent magnet brush motor that a kind of efficiency is high, outputting torsion is larger.
For achieving the above object, the technical scheme taked is:
A kind of electric motor car permanent magnet brush motor, comprise shell body, coupling is arranged on the end cap at shell body two ends, the motor shaft between two end caps is arranged on by bearing, permanent magnetic tile and brush, described shell body inwall is circumferentially evenly covered with and is provided with polylith permanent magnetic tile, the described motor shaft corresponding with permanent magnetic tile is provided with rotor core, rotor core is provided with rotor coil, described motor shaft is also arranged with three conducting rings, rotor coil is extended with three-phase power line and correspondingly with three conducting rings respectively connects, three described conducting rings respectively corresponding slip have touched the first brush, second brush and third brush, three brushes are connected to three motor line of forces.
Insulating washer is provided with between described conducting ring and motor shaft.
In the three-phase power line that described rotor coil stretches out, first-phase power line connects with inside the conducting ring of corresponding first brush; Second-phase power line through the insulating washer of corresponding first brush and motor shaft, and connects with inside the conducting ring of corresponding second brush; Third phase power line is each passed through the insulating washer of corresponding first brush and between the insulating washer of corresponding second brush and motor shaft, and connects with inside the conducting ring of corresponding third brush.
Described permanent magnetic tile is Nd-Fe-B permanent magnet, samarium cobalt permanent magnet iron or ferrite permanent-magnet iron.
Adopt technique scheme, acquired beneficial effect is:
1. the utility model by arranging permanent magnetic tile on motor housing body inwall, effectively make use of the permanent magnet characteristic that thickness is thin compared with original subcoil, increase the space of rotor when equal volume, rotor diameter is strengthened and then improves the output torque of rotor.
2. the utility model motor housing body inwall arranges permanent magnetic tile, effectively make use of nature magnetic energy, there is the feature that magneto efficiency is higher.
3. the utility model motor housing body inwall arranges permanent magnetic tile, the heat also with permanent magnetic tile holds vaporific advantage, improves the useful life of permanent magnetic tile, avoids the shortcoming of the too high easy loss of excitation of permanent magnetic tile temperature.
4. the utility model is by strengthening rotor core diameter, realizes the object of the power that can increase coil windings and then add motor on rotor.The utilization of this technology will provide one for electric automobile: dynamic property is stronger, efficiency is high, the larger more energy-conservation drive motors of outputting torsion.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Sequence number in figure: 1 be shell body, 2 be end cap, 3 be third brush, 7 be motor shaft, 8 be conducting ring, 9 be insulating washer, 10 be bearing, 11 be rotor core, 12 be rotor coil for permanent magnetic tile, 4 to be the first brush, 5 be the second brush, 6.
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated.
See Fig. 1, a kind of electric motor car permanent magnet brush of the utility model motor, comprise shell body 1, coupling is arranged on the end cap 2 at shell body 1 two ends, the motor shaft 7 between two end caps 2 is arranged on by bearing 10, permanent magnetic tile 3 and brush, described shell body 1 inwall is circumferentially evenly covered with and is provided with polylith permanent magnetic tile 3, the described motor shaft 7 corresponding with permanent magnetic tile 3 is provided with rotor core 11, rotor core 11 is provided with rotor coil 12, described motor shaft 7 is also arranged with three conducting rings 8, rotor coil 12 is extended with three-phase power line and correspondingly with three conducting rings 8 respectively connects, three described conducting rings 8 respectively corresponding slip have touched the first brush 4, second brush 5 and third brush 6, three brushes are connected to three motor line of forces.
Insulating washer 9 is provided with between described conducting ring 8 and motor shaft 7.
In the three-phase power line that described rotor coil 12 stretches out, first-phase power line connects with inside the conducting ring 8 of corresponding first brush 4; Second-phase power line through the insulating washer 9 of corresponding first brush 4 and motor shaft 7, and connects with inside the conducting ring 8 of corresponding second brush 5; Third phase power line is each passed through the insulating washer 9 of corresponding first brush 4 and between the insulating washer 9 of corresponding second brush 5 and motor shaft 7, and connects with inside the conducting ring 8 of corresponding third brush 6.Described permanent magnetic tile 3 is Nd-Fe-B permanent magnet, samarium cobalt permanent magnet iron or ferrite permanent-magnet iron.
During work: the drive motor controller of electric motor car is converted into three-phase electrical source of power two-phase DC power supply, three-phase electrical source of power is connected electric energy with third brush 6 respectively by the first brush 4, second brush 5 by the corresponding three-phase circuit of three conducting rings 8 with the rotor coil 12 on motor shaft 7, the electric energy effect of three-phase circuit produces magnetic energy and forms with the circumferentially uniform permanent magnetic tile 3 be arranged on shell body 1 inwall the rotor turns that reaction force makes permanent magnet brush motor on rotor core 11, and then produces rotative power.
The utility model is effectively resolved the technology of existing motor, effectively utilizes the advantage of various motor, reconfigures the novel drive motors of creation.This permanent magnet brush motor takes into full account that the installing space of automobile is limited, by arranging permanent magnetic tile 3 on motor housing body 1 inwall, especially rare earth magnetic shoe is utilized, its usual thickness only has 4-6mm, effectively make use of the magnetic shoe characteristic that thickness is thin compared with original subcoil, increase the space of rotor when equivalent motor external diameter, increase rotor diameter, the increasing of rotor diameter and then improve the output torque of rotor.After rotor strengthens, rotor can increase coil windings and then add the power output of motor.
By above technological innovation in conjunction with the permanent magnetic tile that motor housing body inwall is arranged, effectively utilize nature magnetic energy, decrease the power consumption that electricity consumption produces magnetic energy, this New-type electric machine not only has the higher feature of permanent magnetic brushless efficiency, but also has the effect larger than AC induction motor output torque.
The brush of this electric motor car permanent magnet brush motor, conducting ring and brush fixture are industry universal technology, and the fixing means in the utility model no longer describes.
Claims (4)
1. an electric motor car permanent magnet brush motor, comprise shell body, coupling is arranged on the end cap at shell body two ends, the motor shaft between two end caps is arranged on by bearing, permanent magnetic tile and brush, it is characterized in that: described shell body inwall is circumferentially evenly covered with and is provided with polylith permanent magnetic tile, the described motor shaft corresponding with permanent magnetic tile is provided with rotor core, rotor core is provided with rotor coil, described motor shaft is also arranged with three conducting rings, rotor coil is extended with three-phase power line and correspondingly with three conducting rings respectively connects, three described conducting rings respectively corresponding slip have touched the first brush, second brush and third brush, three brushes are connected to three motor line of forces.
2. electric motor car permanent magnet brush motor according to claim 1, is characterized in that: be provided with insulating washer between described conducting ring and motor shaft.
3. electric motor car permanent magnet brush motor according to claim 1, is characterized in that: in the three-phase power line that described rotor coil stretches out, first-phase power line connects with inside the conducting ring of corresponding first brush; Second-phase power line through the insulating washer of corresponding first brush and motor shaft, and connects with inside the conducting ring of corresponding second brush; Third phase power line is each passed through the insulating washer of corresponding first brush and between the insulating washer of corresponding second brush and motor shaft, and connects with inside the conducting ring of corresponding third brush.
4. electric motor car permanent magnet brush motor according to claim 1, is characterized in that: described permanent magnetic tile is Nd-Fe-B permanent magnet, samarium cobalt permanent magnet iron or ferrite permanent-magnet iron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520898315.2U CN205123538U (en) | 2015-11-12 | 2015-11-12 | Electric motor car permanent magnetism has brush motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520898315.2U CN205123538U (en) | 2015-11-12 | 2015-11-12 | Electric motor car permanent magnetism has brush motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205123538U true CN205123538U (en) | 2016-03-30 |
Family
ID=55579110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520898315.2U Withdrawn - After Issue CN205123538U (en) | 2015-11-12 | 2015-11-12 | Electric motor car permanent magnetism has brush motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205123538U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105262307A (en) * | 2015-11-12 | 2016-01-20 | 韩群山 | Electric-vehicle permanent magnet brush motor |
| CN107764919A (en) * | 2017-08-30 | 2018-03-06 | 北京中兴嘉乘仪器有限公司 | A kind of Full automatic head-space sample injector mechanism and control method |
-
2015
- 2015-11-12 CN CN201520898315.2U patent/CN205123538U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105262307A (en) * | 2015-11-12 | 2016-01-20 | 韩群山 | Electric-vehicle permanent magnet brush motor |
| CN105262307B (en) * | 2015-11-12 | 2017-12-08 | 韩群山 | Electric car permanent magnet brush motor |
| CN107764919A (en) * | 2017-08-30 | 2018-03-06 | 北京中兴嘉乘仪器有限公司 | A kind of Full automatic head-space sample injector mechanism and control method |
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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 | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160330 Effective date of abandoning: 20171208 |