CN201506250U - Hybrid electric vehicle power composite box motor cooling system - Google Patents
Hybrid electric vehicle power composite box motor cooling system Download PDFInfo
- Publication number
- CN201506250U CN201506250U CN2009202089175U CN200920208917U CN201506250U CN 201506250 U CN201506250 U CN 201506250U CN 2009202089175 U CN2009202089175 U CN 2009202089175U CN 200920208917 U CN200920208917 U CN 200920208917U CN 201506250 U CN201506250 U CN 201506250U
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- cooling
- motor
- rotor
- hole
- oil
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- Motor Or Generator Cooling System (AREA)
- Hybrid Electric Vehicles (AREA)
Abstract
The utility model discloses a hybrid electric vehicle power composite box motor cooling system, which comprises a motor outer shell, a stator, a rotator and a transmission shaft. The motor outer shell consists of a main shell and a front shell and a back shell, which are arranged at the two ends of the main shell. The joints of the main shell and the front shell and the back shell are respectively provided with a stator cooling oil channel. The outer side face an the inner side face of the motor outer shell are respectively provided with an oil inlet hole and an oil spraying hole, which are communicated with the stator cooling oil channel. The center of the transmission shaft is provided with a cooling oil hole which is communicated with a radial through hole radially arranged on the transmission shaft. A rotor cooling oil channel penetrating the two side faces of a radial plate is arranged in the radial plate of the frame of the rotor and is communicated with the radial through hole on the transmission shaft. The utility model can cool the stator and the rotor of a motor directly and improve the cooling effect. The motor outer shell with the combined structure reduces the manufacture cost and can meet the cooling requirement of a hybrid composite box on the motor.
Description
Technical field
The utility model relates to a kind of motor cooling system, relates to the synthetic case motor cooling system of a kind of hybrid vehicle power particularly.
Background technology
Hybrid vehicle is as a kind of emerging energy-efficient, environment-friendly automobiles, and its technology and market are in a kind of flourish stage.Because the motor accuracy requirement height of hybrid vehicle, cal val is big, therefore, the quality of its cooling system is directly connected to motor properties and service life, at present, that the motor cooling system generally can be divided into is air-cooled, water-cooled and oil cooling, and wherein air cooled effect is the poorest, can't satisfy of the requirement of the motor of hybrid vehicle, thereby seldom adopt cooling; Water-cooling project is because cooling performance is better, simple in structure and adopted in a large number, but exists the part easy-to-rust, causes problem such as fault easily; And the oil cooling scheme adopts and the essentially identical structure of water-cooling project, can overcome the deficiency of water-cooling project, but because of the heat conductivity of oil coolant than water difference, so its cooling performance is not as water-cooled.Synthetic case dynamo oil (water) the cooling system structure of common a kind of hybrid power as shown in Figure 1, it is by the stator c that oil coolant (water) road b comes cooling motor is set in motor housing a, this cooling system is indirect method of cooling owing to what adopt, the heat of motor stator c need be taken away heat by oil coolant (water) by the conduction of motor housing a again, so the heat conductivity of motor housing a directly has influence on the cooling performance of motor stator c; In addition, though motor stator c is the main pyrotoxin of motor, the rotor d of high-speed operation has higher requirement to ambient temperature, and existing cooling system can't cool off rotor d, has therefore influenced the cooling performance and the service life of motor; Further, because oil coolant (water) the road b of existing cooling system is arranged on the position that is positioned at the motor stator c outside in the motor housing a, so the wall thickness of motor housing a is increased, thereby the power that increases limited space synthesizes the layout difficulty of case and the weight of whole motor, makes above-mentioned cooling system be difficult to adapt to the requirement of the synthetic case of hybrid power to the motor cooling; On the other hand, the motor housing a that is provided with oil coolant (water) road b must adopt the foundry technique manufacturing, thereby reduces its production efficiency, has increased manufacturing cost.
A kind of notification number is change-speed box and the motor coupler built-in motor cooling mechanism of CN 201252450Y, is made up of coupler housing, water jacket, motor cover, stop pin, seal ring, is cast with water channel above the water jacket, is sleeved on the outer end of motor stator.Above-mentioned cooling mechanism also is to adopt the indirect type of cooling, has the problem that rotor can't cool off, the motor housing size is big and production efficiency is low equally.
The utility model content
The motor cooling system that the purpose of this utility model is to overcome the synthetic case of existing hybrid power can't cool off rotor, the deficiency of cooling performance difference, provide a kind of can be to the synthetic case motor cooling system of hybrid vehicle power of motor stator and rotor direct quenching, good cooling results.
To achieve these goals, the utility model is by the following technical solutions: a kind of hybrid vehicle power synthesizes case motor cooling system, comprise motor housing, stator, rotor and transmission shaft, described motor housing inside is provided with the stator cooling oil duct of annular, is respectively equipped with fuel feed hole and the oil spit hole that communicates with the stator cooling oil duct on the lateral surface of motor housing and medial surface; Described center transmission shaft is provided with the cooling oilhole, and is communicated with the radial direction through hole that radially is arranged on the transmission shaft; Be provided with the rotor cooling oil duct that penetrates the disc two sides in the disc of rotor skeleton, the radial direction through hole on described rotor cooling oil duct and the transmission shaft is connected.In order to improve the cooling performance of motor, the utility model changes the indirect cooling to motor stator in the prior art into direct quenching, by fuel feed hole and the oil spit hole that communicates with the stator cooling oil duct is set respectively on the lateral surface of motor housing and medial surface, thereby the oil coolant of stator cooling oil duct can be directly sprayed on the motor stator by oil spit hole, the heat that motor stator the is produced oil that can be cooled is taken away rapidly, has improved cooling performance greatly; In addition, oil coolant can be by cooling oilhole, the radial direction through hole on the transmission shaft, and the centnifugal force that utilizes the transmission shaft high speed revolution to be produced enters the rotor cooling oil duct rotor is cooled off, because described rotor cooling oil duct penetrates the disc two sides of rotor skeleton, therefore, oil coolant can fully cool off whole rotor, thereby significantly improves the cooling performance of whole motor, prolong the service life of motor, fully satisfied of the requirement of the synthetic case of hybrid power the motor cooling.
As preferably, described motor housing is made up of main casing and front case and the rear housing of being located at the main casing two ends, and described stator cooling oil duct is located at the junction of main casing and front case and rear housing respectively.Because the stator cooling oil duct is separately positioned on the junction of main casing and front case and rear housing, thereby can significantly reduce the wall thickness dimension of main casing, has both alleviated the weight of motor, help the spatial destribution of the synthetic case of hybrid power again; And motor housing adopts the sectional construction of being made up of main casing, front case and rear housing, helps motor housing and adopts the aluminium alloy compression casting moulding, and then can improve its production efficiency, reduces manufacturing cost.
As preferably, described rotor cooling oil duct comprises oil-through hole and axial penetration disc and the oil outlet that is communicated with oil-through hole in the disc of radially being located at the rotor skeleton, the wheel hub inboard of described rotor skeleton is provided with the annular oil groove that communicates with oil-through hole, thereby the radial direction through hole of being convenient to transmission shaft is connected with the rotor cooling oil duct; Described oil outlet is positioned on the disc of rotor skeleton near armature loop one side, thereby helps rotor is carried out fast cooling fully.
In sum, the utlity model has following beneficial effect: (1) is by adopting the spray mode to cool off to motor stator, and rotor is fully cooled off by cooling oilhole on the transmission shaft and the rotor cooling oil duct on the rotor skeleton, effectively improved the cooling performance of motor, satisfied of the cooling requirement of the synthetic case of hybrid power motor.(2) motor housing adopts sectional construction, can enhance productivity, and reduces manufacturing cost.
Description of drawings
Fig. 1 is a kind of motor cooling system structure scheme drawing of the synthetic case of hybrid vehicle power of prior art;
Fig. 2 is a structural representation of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is further described.
In the embodiment shown in Figure 2, a kind of hybrid vehicle power of the present utility model synthesizes case motor cooling system, comprise motor housing 1, stator 2, rotor 3 and transmission shaft 4, described motor housing 1 is formed by connecting by main casing 11 and front case 12 and the rear housing 13 usefulness bolt of being located at main casing 11 two ends, because motor housing 1 adopts the split unitized construction, therefore can adopt the aluminium alloy compression casting moulding, thereby greatly improved production efficiency, main casing 11 two ends are provided with the step that diameter increases, and with the front case 12 at main casing 11 two ends, rear housing 13 is connected to form the stator cooling oil duct 7 of annular, in addition, the fuel feed hole 5 that communicates with stator cooling oil duct 7 is set on the lateral surface of main casing 11 both sides steps, fuel feed hole 5 is connected with system cools oil circuit (not shown), branches such as medial surface circumferencial direction at front case 12 and rear housing 13 are provided with four oils spit hole 6 that communicate with stator cooling oil duct 7, and described oil spit hole 6 is aimed at stator 2; For the rotor 3 to motor cools off, described transmission shaft 4 centers are offered and system cools oil circuit (not shown) bonded assembly cooling oilhole 41, and in disc 31 positions that cooperate corresponding skeleton on the section with the wheel hub 32 of rotor skeleton radially five equilibrium four radial direction through hole 42 are set, and wheel hub 32 medial surfaces of rotor skeleton are provided with annular oil groove 33 at correspondence position, and disc 31 inner radial of rotor skeleton four oil-through holes 9 that are communicated with annular oil groove 33 are set, the oil outlet 10 of four disc 31 that communicate with oil-through hole 9 and run through axially is set near the position of armature loop 34 on the side of disc 31 further.
The utility model is when work, and on the one hand, oil coolant enters the stator cooling oil duct 7 of annular through the fuel feed hole 5 on the main casing 11, sprays with cooling stator 2 from the oil spit hole 6 of aiming at stator 2 then; On the other hand, in the annular oil groove 33 that the cooling oilhole 41 and the radial direction through hole 42 of oil coolant by transmission shaft 4 enters the rotor skeleton, and make oil coolant enter oil-through hole 9 in the disc 31 by means of the centnifugal force that rotor 3 high speed rotating are produced, finally the oil outlet 10 from disc 31 both sides flows out, so that rotor 3 is cooled off fully.The utility model is owing to can directly cool off simultaneously the stator 2 and the rotor 3 of motor, so its good cooling results, can fully satisfy the cooling requirement of the synthetic case of hybrid power to motor.
Claims (4)
1. a hybrid vehicle power synthesizes case motor cooling system, comprise motor housing (1), stator (2), rotor (3) and transmission shaft (4), it is characterized in that, described motor housing (1) inside is provided with the stator cooling oil duct (7) of annular, is respectively equipped with fuel feed hole (5) and the oil spit hole (6) that communicates with stator cooling oil duct (7) on the lateral surface of motor housing (1) and medial surface; Described transmission shaft (4) center is provided with cooling oilhole (41), and is communicated with radial direction through hole (42) on radially being arranged on transmission shaft (4); Be provided with the rotor cooling oil duct (8) that penetrates disc (31) two sides in the disc (31) of rotor skeleton, the radial direction through hole (42) on described rotor cooling oil duct (8) and the transmission shaft (4) is connected.
2. hybrid vehicle power according to claim 1 synthesizes case motor cooling system, it is characterized in that, described motor housing (1) is made up of main casing (11) and front case (12) and the rear housing (13) of being located at main casing (11) two ends, and described stator cooling oil duct (7) is located at the junction of main casing (11) and front case (12) and rear housing (13) respectively.
3. hybrid vehicle power according to claim 1 and 2 synthesizes case motor cooling system, it is characterized in that, described rotor cooling oil duct (8) comprises oil-through hole (9) and axial penetration disc (31) and the oil outlet (10) that is communicated with oil-through hole (9) in the disc (31) of radially being located at the rotor skeleton, and the wheel hub of described rotor skeleton (32) inboard is provided with the annular oil groove (33) that communicates with oil-through hole (9).
4. hybrid vehicle power according to claim 3 synthesizes case motor cooling system, it is characterized in that, described oil outlet (10) is positioned at the disc (31) of rotor skeleton and goes up near armature loop (34) one sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202089175U CN201506250U (en) | 2009-09-15 | 2009-09-15 | Hybrid electric vehicle power composite box motor cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202089175U CN201506250U (en) | 2009-09-15 | 2009-09-15 | Hybrid electric vehicle power composite box motor cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201506250U true CN201506250U (en) | 2010-06-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202089175U Expired - Lifetime CN201506250U (en) | 2009-09-15 | 2009-09-15 | Hybrid electric vehicle power composite box motor cooling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201506250U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112292279A (en) * | 2018-06-15 | 2021-01-29 | 舍弗勒技术股份两合公司 | Drive unit for a drive train of an electrically drivable motor vehicle, and drive assembly |
-
2009
- 2009-09-15 CN CN2009202089175U patent/CN201506250U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112292279A (en) * | 2018-06-15 | 2021-01-29 | 舍弗勒技术股份两合公司 | Drive unit for a drive train of an electrically drivable motor vehicle, and drive assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Free format text: FORMER OWNER: SHANGHAI HUAPU GUORUN AUTO CO., LTD. Effective date: 20150713 Owner name: CORUN HYBRID TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: SHANGHAI MAPLE AUTOMOBILE CO., LTD. Effective date: 20150713 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150713 Address after: 410205 348, 102 west slope, Tongzi hi tech Development Zone, Hunan, Changsha 101 Patentee after: Ke Liyuan Technology of Hybrid Electric Vehicle Co., Ltd Address before: 201501 Shanghai city Jinshan District Fengjing Industrial Park Shanghai Maple Automobile Co. Patentee before: Shanghai Maple Automobile Co., Ltd. Patentee before: Shanghai Huapu Guorun Auto Co., Ltd. |
|
| CP02 | Change in the address of a patent holder |
Address after: 528000 room 601-604, building A, block, building 131, Jihua West Road, Chancheng District, Guangdong, Foshan Patentee after: Ke Liyuan Technology of Hybrid Electric Vehicle Co., Ltd Address before: 410205 348, 102 west slope, Tongzi hi tech Development Zone, Hunan, Changsha 101 Patentee before: Ke Liyuan Technology of Hybrid Electric Vehicle Co., Ltd |
|
| CP02 | Change in the address of a patent holder | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Wuxi Ming Heng Hybrid Power Technology Co., Ltd. Assignor: Ke Liyuan Technology of Hybrid Electric Vehicle Co., Ltd Contract record no.: 2018530000001 Denomination of utility model: Hybrid electric vehicle power composite box motor cooling system Granted publication date: 20100616 License type: Common License Record date: 20180103 |
|
| EE01 | Entry into force of recordation of patent licensing contract | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100616 |
|
| CX01 | Expiry of patent term |