CN205029476U - Motor end cover, motor and electric motor car - Google Patents
Motor end cover, motor and electric motor car Download PDFInfo
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- CN205029476U CN205029476U CN201520805027.8U CN201520805027U CN205029476U CN 205029476 U CN205029476 U CN 205029476U CN 201520805027 U CN201520805027 U CN 201520805027U CN 205029476 U CN205029476 U CN 205029476U
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- end cap
- motor
- electric motor
- end cover
- cap body
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Abstract
The utility model discloses an electric machine the end cover, use the motor of this motor end cover and use the electric motor car of this motor, this motor end cover includes end cover body (1) and is located bearing room (2) at end cover body middle part, the distribution has a plurality of heat dissipation bosss (3) on following circumference and radial direction on this end cover body surface respectively, the area of contact of end cover body surface with the air has been increased effectively, the heat exchange area of end cover body surface with the air has been increased promptly, make the surface of end cover body more abundant with the heat exchange of outside cold air, the heat -sinking capability of motor end cover has been improved, make the whole temperature rise of motor reduce, improve bearing room cooling environment simultaneously, so as to guarantees the whole reliability of operation of motor.
Description
Technical field
The utility model relates to electric machine assembly field, particularly, relates to a kind of electric motor end cap, uses the motor of electric motor end cap and use the electric motor car of this motor.
Background technology
Along with electric automobile development with reach its maturity, the requirement of electric automobile to drive motors is also more and more higher.At present, permagnetic synchronous motor is with the advantage of its high efficiency and high-energy-density, become the first-selection of driving motor for electric automobile, and high-energy-density just means higher heating and more severe operational environment, and for the process that motor radiating problem is done on end cap, the method of radiating ribs is mainly added at external face, this kind of method is the thermal radiation utilizing electric motor end cap outer surface and surrounding air, reduce the temperature of electric motor end cap, reduce motor internal temperature and bearing chamber temperature with this.The surface area that the method for heat-radiation heat-dissipating requires end cap to contact with air is as far as possible large, adopt the structure of radiating ribs, the quantity of muscle and size can be subject to again the restriction in car load space, often can not provide enough large surface area, so radiating effect is limited, a kind of electric motor end cap that can improve heat dispersion is therefore provided to have positive effect.
Utility model content
The purpose of this utility model is to provide a kind of electric motor end cap, the good heat dissipation effect of this electric motor end cap.
To achieve these goals, the utility model provides a kind of electric motor end cap, comprises end cap body and is positioned at the bearing chamber in the middle part of described end cap body, described end cap body outer surface circumferentially and is in the radial direction distributed with multiple heat radiation boss respectively.
Preferably, radiating ribs is provided with between radially adjacent described heat radiation boss.
Preferably, described heat radiation boss height is outwardly not more than cross-sectional width.
Preferably, the inner surface of described end cap body is circumferentially arranged at intervals with multiple to projecting inward heat absorption muscle, this heat absorption muscle radially extends.
Preferably, described heat radiation boss is uniformly distributed around described bearing chamber.
Preferably, the outer surface of described end cap body is circumferentially arranged at intervals with outwardly multiple reinforcements, and this reinforcement radially extends.
Preferably, described heat radiation boss is uniformly distributed in the circumference and in the radial direction of described end cap body.
The utility model also provides a kind of motor, comprises electric motor end cap as above.
The utility model reoffers a kind of electric motor car, and the axis of described motor is installed along the Width of electric motor car.
Pass through technique scheme, by at the circumference of electric motor end cap body outer surface and multiple heat radiation boss that distributes respectively in the radial direction, therefore traditional radiating ribs is compared, multiple heat radiation boss effectively increase the contact area of end cap body outer surface and air, namely the heat exchange area of end cap body surface and air is added, make the heat exchange of the outer surface of end cap body and cool exterior air more abundant, improve the heat-sinking capability of electric motor end cap, whole motor temperature rise is reduced, improve the cooler environment of bearing chamber simultaneously, thus the operational reliability of whole motor can be ensured.
Other feature and advantage of the present utility model are described in detail in embodiment part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to provide further understanding of the present utility model, and forms a part for specification, is used from explanation the utility model, but does not form restriction of the present utility model with embodiment one below.In the accompanying drawings:
Fig. 1 is the electric motor end cap cutaway view that the utility model provides.
Fig. 2 is the electric motor end cap vertical view that the utility model provides.
Description of reference numerals
1 end cap body 2 bearing chamber
3 heat radiation boss 4 reinforcements
5 radiating ribs 6 are absorbed heat muscle
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail.Should be understood that, embodiment described herein, only for instruction and explanation of the utility model, is not limited to the utility model.
In the utility model, when not doing contrary explanation, the noun of locality of use is if " inside and outside " is normally in the corresponding component profile of accompanying drawing and outer.
As depicted in figs. 1 and 2, the utility model provides a kind of electric motor end cap, uses the motor of this electric motor end cap and uses the electric motor car of this motor, motor is arranged on the bottom of automobile usually, preferably, the axis of motor is installed along the Width of electric motor car, with in convenient electric motor car driving process, the air flow direction bottom of car of fore-and-aft direction flowing can make motor and automobile external cold air sufficient heat exchange, and can electric motor end cap be passed, the cooling effect of the electric motor end cap that the utility model is provided improves greatly, thus ensures whole motor reliability.
As depicted in figs. 1 and 2, the bearing chamber 2 that the electric motor end cap that the utility model provides comprises end cap body 1 and is positioned in the middle part of end cap body 1, motor shaft is installed in the middle of bearing chamber 2, wherein, electric motor end cap in the utility model can be the end cap of any one end in the two ends of motor, in order to realize the purpose of this utility model, the circumference of the outer surface of end cap body 1 and be distributed with multiple heat radiation boss 3 in the radial direction, namely the boss 3 that dispels the heat is distributed on the outer surface of whole end cap body 1, the size of usual heat radiation boss 3 and quantity can be mated according to the internal diameter of electric motor end cap and external diameter, the interval of heat radiation boss 3 is moderate, better radiating effect is reached with this.And the boss 3 that dispels the heat is compared to traditional radiating ribs structure and other air radiator structures, effectively increase the contact area of end cap body 1 outer surface and air, namely the heat exchange area of end cap body 1 outer surface and air is added, make the heat exchange of the outer surface of end cap body 1 and cool exterior air more abundant, improve the heat-sinking capability of electric motor end cap, and then whole motor temperature rise can be made to reduce, improve the operational reliability of motor.
It should be noted that, the mode that can realize technical solutions of the utility model has multiple, such as to dispel the heat the shape of boss 3, structure and concrete distribution mode etc., the utility model for convenience of description, in this introduction preferred implementation wherein, this preferred implementation, only for illustration of the utility model, is not limited to the utility model.
Further, as shown in Figure 2, in the preferred implementation provided of the present utility model, radially adjacent heat radiation boss 3 is uniformly distributed round the circumference of bearing chamber 2 simultaneously, be uniformly distributed and contact area can be made to maximize, thus more effectively can dispel the heat for bearing chamber 2.In addition, radiating ribs 5 is also provided with between radially adjacent heat radiation boss 3, the use auxiliary heat dissipation boss 3 of radiating ribs 5 adds the outer surface of end cap body 1 and the contact area of air greatly, namely in the process of running car, when the air mass flow on motor surface and flow velocity increase, effectively can increase the heat exchange of electric motor end cap and extraneous air, thus utilize cold air to cool motor, there is better cooling effect, and substantially increased the heat-sinking capability of electric motor end cap.Wherein only heat radiation boss 3 in radial directions arranges radiating ribs 5 and both can increase area of dissipation, when vehicle travels, air-flow can not be hindered to pass radially through the surface of end cap, ensure that radiating effect again.
Particularly, in order to improve the structural strength of heat radiation boss 3, in the preferred implementation that the utility model provides, heat radiation boss 3 height outwardly should be not more than its cross-sectional width, and the boss 3 that namely dispels the heat does not exceed its development length in end cap body 1 outer surface radial direction to the development length in short transverse, large with the contact area of end face, also just larger pressure can be born, the structural strength of heat radiation boss 3 self also strengthens greatly, not fragile, long service life.
As shown in Figure 1, the inner surface of end cap body 1 is circumferentially arranged at intervals with multiple to projecting inward heat absorption muscle 6, this heat absorption muscle 6 radially extends, heat absorption muscle 6 can increase the inner surface of end cap body 1 and the contact area of motor internal air, make the heat exchange of electric motor end cap and motor internal air more abundant, the air of cooling motor inside is carried out by the electric motor end cap of relative low temperature, by the iron core of air-cooled motor interior exposed in the middle of air and winding, reduce the temperature of motor internal with this.
In the preferred implementation that the utility model provides, the outer surface of end cap body 1 is circumferentially arranged at intervals with outwardly multiple reinforcements 4, this reinforcement 4 radially extends, and reinforcement 4 can improve the mechanical strength of electric motor end cap, thus can ensure the reliability of whole motor.
To sum up, by multiple heat radiation boss 3 that circumferentially and in the radial direction distributes respectively on end cap body 1 outer surface of motor, effectively increase the outer surface of end cap body 1 and the contact area of air, namely the outer surface of end cap body 1 and the heat exchange area of air is added, make the heat exchange of the outer surface of end cap body 1 and cool exterior air more abundant, improve the heat-sinking capability of electric motor end cap, thus whole motor temperature rise is reduced, improve the cooler environment of bearing simultaneously, effectively improve the operational reliability of motor.In addition for heat radiation boss 3 between increase radiating ribs 5 and arrange in end cap body 1 inside heat absorption muscle 6 design concept ingenious, structure is simple, booster action and radiating effect can be better played to electric motor end cap, to reach object motor radiating being improved to its service behaviour, therefore, the electric motor end cap that the utility model provides has higher practicality and promotional value.
Below preferred implementation of the present utility model is described by reference to the accompanying drawings in detail; but; the utility model is not limited to the detail in above-mentioned execution mode; within the scope of technical conceive of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection range of the present utility model.
It should be noted that in addition, each the concrete technical characteristic described in above-mentioned embodiment, in reconcilable situation, can be combined by any suitable mode.In order to avoid unnecessary repetition, the utility model illustrates no longer separately to various possible compound mode.
In addition, also can carry out combination in any between various different execution mode of the present utility model, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.
Claims (9)
1. an electric motor end cap, comprise end cap body (1) and be positioned at the bearing chamber (2) in the middle part of described end cap body (1), it is characterized in that, described end cap body (1) outer surface circumferentially and is in the radial direction distributed with multiple heat radiation boss (3) respectively.
2. electric motor end cap according to claim 1, is characterized in that, is provided with radiating ribs (5) between radially adjacent described heat radiation boss (3).
3. electric motor end cap according to claim 1, is characterized in that, described heat radiation boss (3) height is outwardly not more than cross-sectional width.
4. electric motor end cap according to claim 1, it is characterized in that, the inner surface of described end cap body (1) is circumferentially arranged at intervals with multiple to projecting inward heat absorption muscle (6), this heat absorption muscle (6) radially extends.
5. electric motor end cap according to claim 1, described heat radiation boss (3) is uniformly distributed around described bearing chamber (2).
6. electric motor end cap according to claim 1, the outer surface of described end cap body (1) is circumferentially arranged at intervals with outwardly multiple reinforcements (4), and this reinforcement (4) radially extends.
7. electric motor end cap according to claim 1, described heat radiation boss (3) is uniformly distributed in the circumference and in the radial direction of described end cap body (1).
8. a motor, is characterized in that, this motor comprises according to the electric motor end cap in claim 1-7 described in any one.
9. an electric motor car, is characterized in that, this electric motor car comprises motor according to claim 8, and the axis of described motor is installed along the Width of electric motor car.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520805027.8U CN205029476U (en) | 2015-10-16 | 2015-10-16 | Motor end cover, motor and electric motor car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520805027.8U CN205029476U (en) | 2015-10-16 | 2015-10-16 | Motor end cover, motor and electric motor car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205029476U true CN205029476U (en) | 2016-02-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520805027.8U Active CN205029476U (en) | 2015-10-16 | 2015-10-16 | Motor end cover, motor and electric motor car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205029476U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107612189A (en) * | 2017-09-21 | 2018-01-19 | 珠海凯邦电机制造有限公司 | End-cap assembly and motor |
| CN109149840A (en) * | 2018-10-25 | 2019-01-04 | 珠海英搏尔电气股份有限公司 | A kind of automobile drive motor and its casing |
-
2015
- 2015-10-16 CN CN201520805027.8U patent/CN205029476U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107612189A (en) * | 2017-09-21 | 2018-01-19 | 珠海凯邦电机制造有限公司 | End-cap assembly and motor |
| CN107612189B (en) * | 2017-09-21 | 2024-04-02 | 珠海凯邦电机制造有限公司 | End cover assembly and motor |
| CN109149840A (en) * | 2018-10-25 | 2019-01-04 | 珠海英搏尔电气股份有限公司 | A kind of automobile drive motor and its casing |
| CN109149840B (en) * | 2018-10-25 | 2024-02-27 | 珠海英搏尔电气股份有限公司 | Driving motor for vehicle and shell thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 102206, Beijing, Shahe, Changping District Town, Sha Yang Road, Lao Wan Village North Patentee after: Beiqi Futian Automobile Co., Ltd. Address before: 102206 Changping District City, Shahe, Sha Yang Road, Beijing Patentee before: Beiqi Futian Automobile Co., Ltd. |
|
| CP02 | Change in the address of a patent holder |