CN101951069A - Cooling water channel structure for motor casing - Google Patents
Cooling water channel structure for motor casing Download PDFInfo
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- CN101951069A CN101951069A CN 201010277342 CN201010277342A CN101951069A CN 101951069 A CN101951069 A CN 101951069A CN 201010277342 CN201010277342 CN 201010277342 CN 201010277342 A CN201010277342 A CN 201010277342A CN 101951069 A CN101951069 A CN 101951069A
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- water channel
- cooling water
- channel structure
- electric machine
- machine casing
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Abstract
The invention relates to a cooling water channel structure for a motor casing, comprising an inner motor casing and an outer motor casing, wherein the outer motor casing is hermetically sleeved on the inner motor casing so as to form a cooling channel between the inner motor casing and the outer motor casing, the outer motor casing is provided with a cooling liquid inlet and a cooling liquid outlet, the cooling liquid inlet is communicated with the cooling liquid outlet through the cooling channel, and preferably, the cooling channel is provided with a plurality of reinforcing ribs so as to guide the flow direction of a cooling liquid; and the cooling water channel structure for the motor casing further comprises a first sealing ring, a second sealing ring, a stopping and limiting part, a cooling liquid source and a power source, wherein the first sealing ring and the second sealing ring are used for sealing the outer motor casing and the inner motor casing, and the stopping and limiting part is arranged on the inner motor casing and used for stopping and limiting the outer motor casing. The cooling water channel structure for the motor casing in the invention has the characteristics of skillful structural design as well as simple and novel structure, can rapidly radiate heat for a motor so as to solve the problem on motor heat radiation, improve motor performance and finally improve the efficiency and prolong the service life of the motor, and is suitable for large-scale popularization and application.
Description
Technical field
The present invention relates to the automobile construction technical field, particularly the motor cooling structure technical field of electric automobile specifically is a kind of electric machine casing cooling water channel structure.
Background technology
At present, in order to protect existent environment of people and to save non-renewable resources, the existing necessary energy consumption structure that changes is just can avoid energy crisis.What therefore new-energy automobile just showed under current situation is very important.
Electric motor of automobile is as the heart of new-energy automobile, its operating mode is subjected to the influence of composite factors such as road conditions, vehicle load, it is more complicated to make electric motor of automobile compare the operating mode of other motor, can produce a large amount of heats during its work, directly has influence on the useful life and the operational reliability of motor.The loss heat that can produce in the machine operation process: 1. the iron loss of stator module, copper loss are converted into thermal losses.2. parts mechanical loss such as bearing is converted into thermal losses.
Therefore, it is particularly important that the motor radiating structure shows in electric motor of automobile, if obstructed overcooling structure goes out the loss hot type, can cause motor stator component, rotor assembly temperature too high, thereby rotor magnetic steel demagnetization, stator line bag burn, and influence the normal operation of motor.So must make temperature stabilization in the scope that each parts of motor can bear by radiator structure.
So, a kind of electric machine casing cooling water channel structure need urgently be provided, it can effectively make motor radiating fast, thereby solves motor radiating, improves motor performance, finally improves electric efficiency and life-span.
Summary of the invention
The objective of the invention is to have overcome above-mentioned shortcoming of the prior art, a kind of electric machine casing cooling water channel structure is provided, this electric machine casing cooling water channel structural design is ingenious, novelty simple in structure, can effectively make motor radiating fast, thereby solve motor radiating, improve motor performance, the final raising electric efficiency and life-span is suitable for large-scale promotion application.
To achieve these goals, electric machine casing cooling water channel structure of the present invention has adopted following technical scheme:
This electric machine casing cooling water channel structure, be characterized in, comprise motor inner housing and motor housing body, thereby described motor housing body sealing shroud is connected on the described motor inner housing and forms the cooling duct between described motor inner housing and described motor housing body, described motor housing body is provided with cooling liquid inlet and cooling liquid outlet, and described cooling liquid inlet is communicated with described cooling liquid outlet by described cooling duct.
Preferably, be provided with plurality of strengthening ribs in the described cooling duct, thereby described reinforcement extends and extends against contact described motor inner housing or described reinforcement from described motor inner housing and against the flow direction of the described motor housing body guiding of contact cooling fluid from described motor housing body.
Preferably, be provided with plurality of strengthening ribs in the described cooling duct, thereby described reinforcement is respectively from described motor housing body with described motor inner housing extends and respectively against the flow direction of described motor inner housing and described motor housing body guiding cooling fluid.
More preferably, described reinforcement is crisscross arranged and makes described cooling duct become the waveform cooling duct.
Preferably, described electric machine casing cooling water channel structure also comprises first sealing ring and second sealing ring, all between described motor housing body and described motor inner housing and respectively against described motor housing body and described motor inner housing, described cooling duct is between described first sealing ring and described second sealing ring for described first sealing ring and described second sealing ring.
More preferably, described first sealing ring and described second sealing ring are the O RunddichtringO.
Preferably, described electric machine casing cooling water channel structure also comprises and stops limiting component, and the described limiting component that stops is arranged on the described motor inner housing and stops spacing described motor housing body.
More preferably, the described limiting component that stops is a back-up ring.
Preferably, described electric machine casing cooling water channel structure also comprises liquid coolant sources, the described cooling liquid inlet of described liquid coolant sources pipeline connection.
Preferably, described electric machine casing cooling water channel structure also comprises power source, the described cooling liquid inlet of described power source pipeline connection.
Beneficial effect of the present invention is specific as follows:
1, the present invention is by forming the cooling duct between motor inner housing and motor housing body, thereby heat transferred cooling liquid with generations such as stator module, bearings, design ingenious, novelty simple in structure, can effectively make motor radiating fast, thereby solve motor radiating, improve motor performance, the final raising electric efficiency and life-span is suitable for large-scale promotion application.
2, reinforcement of the present invention can extend separately from motor inner housing or motor housing body, also can extend from motor inner housing and motor housing body, when constituting the cooling duct, play the effect of strengthening case strength, design ingenious, novelty simple in structure, can effectively make motor radiating fast, thereby solve motor radiating, improve motor performance, the final raising electric efficiency and life-span is suitable for large-scale promotion application.
3, realize being tightly connected by first sealing ring and second sealing ring respectively in motor inner housing of the present invention and motor housing body two ends, and good seal performance effectively avoids cooling liquid to reveal, and design ingeniously, and novelty simple in structure is suitable for large-scale promotion application.
4, be provided with on the motor inner housing of the present invention and stop limiting component, thereby stop spacing motor housing body, prevent that the motor housing body from producing the position and moving, improve stability, design ingeniously, novelty simple in structure is suitable for large-scale promotion application.
Description of drawings
Fig. 1 is the perspective view of a specific embodiment of the present invention.
Fig. 2 is the perspective view of the motor housing body of specific embodiment shown in Figure 1.
Fig. 3 is the perspective view of the motor inner housing of specific embodiment shown in Figure 1.
Fig. 4 is the cross-sectional schematic of specific embodiment shown in Figure 1.
Fig. 5 is that the expansion schematic diagram is analysed and observe in the cooling duct of specific embodiment shown in Figure 1.
Embodiment
In order more to be expressly understood technology contents of the present invention, describe in detail especially exemplified by following examples.Wherein identical parts adopt identical Reference numeral.
See also shown in Fig. 1～5, electric machine casing cooling water channel structure of the present invention comprises motor inner housing 1 and motor housing body 2, thereby described motor housing body 2 sealing shrouds are connected on and form cooling duct 3 on the described motor inner housing 1 between described motor inner housing 1 and described motor housing bodies 2, described motor housing body 2 is provided with cooling liquid inlet 4 and cooling liquid outlet 5, and described cooling liquid inlet 4 is communicated with described cooling liquid outlet 5 by described cooling duct 3.Therefore, described cooling duct 3 is unidirectional cooling duct.
Described cooling duct 3 can have various suitable shapes, its shape can form by reinforcement 6 is set, preferably, thus described reinforcement 6 extends and extends against contact described motor inner housing 1 or described reinforcement from described motor inner housing 1 and against the flow direction of the described motor housing body 2 guiding cooling fluids of contact from described motor housing body 2.Perhaps also can be provided with like this: thus described reinforcement 6 is respectively from described motor housing body 2 with described motor inner housing 1 extends and respectively against the flow direction of described motor inner housing 1 and described motor housing body 2 guiding cooling fluids.See also Fig. 2, Fig. 3 and shown in Figure 5, in specific embodiments of the invention, reinforcement 6 extends from described motor housing body 2 and described motor inner housing 1 respectively, and interlaced setting, make described cooling duct 3 become the waveform cooling duct, and the reinforcement 6 of motor inner housing 1 with motor housing body 2 against the upper surface that contacts preferably with the 2 sealing applyings of motor housing body, similarly, the reinforcement 6 of motor housing body 1 with motor inner housing 1 against the lower surface that contacts preferably with the 1 sealing applying of motor inner housing.(complete here muscle 7 is arranged on the motor housing body 2 also to be provided with a full muscle 7 in the described cooling duct 3, as shown in Figure 2, obviously it also can be arranged on the motor inner housing 1, or a part is arranged on the motor inner housing 1, another part is arranged on the motor housing body 2, two parts and form full muscle 7 together) as the dividing plate between cooling liquid inlet 4 and the cooling liquid outlet 5, guarantee the directivity of cooling fluid stream, setting in conjunction with reinforcement 6, cooling fluid stream wave complications are advanced, make cooling fluid flow to end the outer surface of described motor inner housing 1 of flowing through possibly, thereby make the cooling effect maximization.
Described motor housing body 2 and described motor inner housing 1 can adopt any suitable hermetically-sealed construction.Preferably, described electric machine casing cooling water channel structure also comprises first sealing ring 8 and second sealing ring 9, all between described motor housing body 2 and described motor inner housing 1 and respectively against described motor housing body 2 and described motor inner housing 1, described cooling duct 3 is between described first sealing ring 8 and described second sealing ring 9 for described first sealing ring 8 and described second sealing ring 9.See also shown in Fig. 1～5, in specific embodiments of the invention, described first sealing ring 8 and described second sealing ring 9 are the O RunddichtringO.And described first sealing ring 8 is arranged in the groove (not marking) of described motor inner housing 1, and described second sealing ring 9 is arranged in the groove (not marking) of described motor housing body 2.Obviously, groove can all be arranged on the motor inner housing 1, also can all be arranged on the motor housing body 2, determines as required.
In order to increase stability of the present invention, preferably, described electric machine casing cooling water channel structure also comprises and stops limiting component 10, and the described limiting component 10 that stops is arranged on the described motor inner housing 1 and stops spacing described motor housing body 2.More preferably, the described limiting component 10 that stops is back-up rings.See also shown in Fig. 1～4, in specific embodiments of the invention, described motor inner housing 1 is cylindric, has the flange-type end, back-up ring is positioned at the circlip groove (not marking) of the other end, and described motor housing body 2 is cylindric, is socketed on the described motor inner housing 1, one end is against described motor inner housing 1, and the other end is spacing by back-up ring.
Preferably, described electric machine casing cooling water channel structure also comprises the liquid coolant sources (not shown), the described cooling liquid inlet 4 of described liquid coolant sources pipeline connection.Thereby for cooling provides cooling fluid.In specific embodiments of the invention, described liquid coolant sources is a cooling water.
Preferably, described electric machine casing cooling water channel structure also comprises the power source (not shown), the described cooling liquid inlet 4 of described power source pipeline connection.In specific embodiments of the invention, described power source is a water pump, and described cooling water is communicated with described cooling liquid inlet 4 by described water pump.
Assembling process of the present invention is as follows:
1. coat lubricating oil in the groove with described motor inner housing 1, and first sealing ring 8 is installed;
2. described motor housing body 2 is heated to uniform temperature (below the sealing ring bearing temperature), in its groove, coats lubricating oil, and second sealing ring 9 is installed;
3. the parts skin that the parts that assemble in inciting somebody to action 2. assemble in being fitted in 1., and be seated;
4. back-up ring is fit in the circlip groove of motor inner housing 1 and stops spacing motor housing body 2.
Thereby motor inner housing 1 and motor housing body 2 back that is assembled together constitutes the cooling duct 3 of a sealing, and it is communicated with cooling liquid inlet 4 and cooling liquid outlet 5, thereby constitutes unidirectional water route structure, makes cooling fluid one-way flow in the cooling duct 3 of sealing.Avoided forming water turbulence in the cooling duct 3, made the uniformity of temperature profile of motor and housing wall maintain below the rated temperature.
The performance of new-energy automobile is closely related with motor properties, and electric machine casing cooling water channel structure heat dispersion height of the present invention has improved the delivery efficiency of motor.Radiator structure improves by heat transfer efficiency.Its compact conformation is is conveniently installed and used.It is simple for structure, helps Mould Machining.And sealing is reliable, stable performance.
The present invention reaches best by improving motor radiating efficient with the electric motor of automobile performance, and guarantees motor delivery efficiency and life-span.Changed electric machine casing parts form, reduced the product difficulty of processing, thereby reduced processing cost and improved product percent of pass; The water route structure that has replaced present welding fabrication, thus the complexity of reduction housing technology improves the efficient that motor is produced.
To sum up, electric machine casing cooling water channel structural design of the present invention is ingenious, and novelty simple in structure can effectively make motor radiating fast, thereby solves motor radiating, improves motor performance, finally improves electric efficiency and life-span, is suitable for large-scale promotion application.
In this specification, the present invention is described with reference to its certain embodiments.But, still can make various modifications and conversion obviously and not deviate from the spirit and scope of the present invention.Therefore, specification and accompanying drawing are regarded in an illustrative, rather than a restrictive.
Claims (10)
1. electric machine casing cooling water channel structure, it is characterized in that, comprise motor inner housing and motor housing body, thereby described motor housing body sealing shroud is connected on the described motor inner housing and forms the cooling duct between described motor inner housing and described motor housing body, described motor housing body is provided with cooling liquid inlet and cooling liquid outlet, and described cooling liquid inlet is communicated with described cooling liquid outlet by described cooling duct.
2. electric machine casing cooling water channel structure according to claim 1, it is characterized in that, be provided with plurality of strengthening ribs in the described cooling duct, thereby described reinforcement extends and extends against contact described motor inner housing or described reinforcement from described motor inner housing and against the flow direction of the described motor housing body guiding of contact cooling fluid from described motor housing body.
3. electric machine casing cooling water channel structure according to claim 1, it is characterized in that, be provided with plurality of strengthening ribs in the described cooling duct, thereby described reinforcement is respectively from described motor housing body with described motor inner housing extends and respectively against the flow direction of described motor inner housing and described motor housing body guiding cooling fluid.
4. according to claim 2 or 3 described electric machine casing cooling water channel structures, it is characterized in that described reinforcement is crisscross arranged and makes described cooling duct become the waveform cooling duct.
5. electric machine casing cooling water channel structure according to claim 1, it is characterized in that, described electric machine casing cooling water channel structure also comprises first sealing ring and second sealing ring, all between described motor housing body and described motor inner housing and respectively against described motor housing body and described motor inner housing, described cooling duct is between described first sealing ring and described second sealing ring for described first sealing ring and described second sealing ring.
6. electric machine casing cooling water channel structure according to claim 5 is characterized in that, described first sealing ring and described second sealing ring are the O RunddichtringO.
7. electric machine casing cooling water channel structure according to claim 1, it is characterized in that, described electric machine casing cooling water channel structure also comprises and stops limiting component, and the described limiting component that stops is arranged on the described motor inner housing and stops spacing described motor housing body.
8. electric machine casing cooling water channel structure according to claim 7 is characterized in that, the described limiting component that stops is a back-up ring.
9. electric machine casing cooling water channel structure according to claim 1 is characterized in that, described electric machine casing cooling water channel structure also comprises liquid coolant sources, the described cooling liquid inlet of described liquid coolant sources pipeline connection.
10. electric machine casing cooling water channel structure according to claim 1 is characterized in that, described electric machine casing cooling water channel structure also comprises power source, the described cooling liquid inlet of described power source pipeline connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010277342 CN101951069A (en) | 2010-09-09 | 2010-09-09 | Cooling water channel structure for motor casing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010277342 CN101951069A (en) | 2010-09-09 | 2010-09-09 | Cooling water channel structure for motor casing |
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| CN101951069A true CN101951069A (en) | 2011-01-19 |
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| CN 201010277342 Pending CN101951069A (en) | 2010-09-09 | 2010-09-09 | Cooling water channel structure for motor casing |
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| WO2013041047A1 (en) * | 2011-09-23 | 2013-03-28 | 无锡开普机械有限公司 | Electric motor water cooling device |
| EP2546960A3 (en) * | 2011-07-12 | 2013-09-04 | Remy Technologies, LLC | Electric machine module cooling system and method |
| US20140015355A1 (en) * | 2012-07-12 | 2014-01-16 | Deere & Company | Electric Machine Cooling Arrangement And Method |
| CN103701264A (en) * | 2013-12-12 | 2014-04-02 | 大连天元电机股份有限公司 | Water channel cooling device of high-power doubly-fed wind driven generator |
| US20140125163A1 (en) * | 2012-11-08 | 2014-05-08 | Hyun Soo Yu | Motor |
| CN104218724A (en) * | 2013-05-29 | 2014-12-17 | 安徽省宏瑞泰达机械科技有限公司 | Electric motor housing with cooling pipeline |
| CN105703524A (en) * | 2014-11-24 | 2016-06-22 | 舍弗勒技术有限两合公司 | Motor vehicle in-wheel motor with liquid cooling system and motor vehicle |
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| CN106911210A (en) * | 2015-12-22 | 2017-06-30 | 大陆汽车投资（上海）有限公司 | The sealing structure that two parts coordinate |
| CN107078597A (en) * | 2014-10-23 | 2017-08-18 | 罗伯特·博世有限公司 | Fluid-cooled housing for motor |
| CN107276292A (en) * | 2017-07-07 | 2017-10-20 | 南京苏美达动力产品有限公司 | One kind is used for jetting machine water cooled machine pump unit |
| CN107612196A (en) * | 2017-10-30 | 2018-01-19 | 南京磁谷科技有限公司 | A kind of leakage-proof structure of motor casing water cooling runner |
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| EP2546960A3 (en) * | 2011-07-12 | 2013-09-04 | Remy Technologies, LLC | Electric machine module cooling system and method |
| WO2013041047A1 (en) * | 2011-09-23 | 2013-03-28 | 无锡开普机械有限公司 | Electric motor water cooling device |
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| CN109104032A (en) * | 2018-10-18 | 2018-12-28 | 濮阳市华南重工科技有限公司 | Motor and its cooling shell structure |
| WO2020088293A1 (en) * | 2018-10-31 | 2020-05-07 | 珠海格力电器股份有限公司 | Electric motor cooling assembly, electric motor and compressor |
| CN111200341A (en) * | 2018-11-20 | 2020-05-26 | 通用汽车环球科技运作有限责任公司 | Temperature control assembly for an electric machine |
| CN109890179A (en) * | 2019-03-15 | 2019-06-14 | 上海瑞晟汽车电气系统有限公司 | Liquid cooling concentrates radiating module |
| CN111953139A (en) * | 2019-05-16 | 2020-11-17 | 本田技研工业株式会社 | Rotating electrical machine |
| WO2021043506A1 (en) * | 2019-09-05 | 2021-03-11 | Robert Bosch Gmbh | Housing of an electric drive |
| WO2023019422A1 (en) * | 2021-08-17 | 2023-02-23 | 大福泵业有限公司 | Water-cooled motor structure for coaxial pump |
| CN115275450A (en) * | 2022-09-05 | 2022-11-01 | 楚能新能源股份有限公司 | Square aluminum shell battery |
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Application publication date: 20110119 |