CN202282680U - Water cooling housing and inner water jacket for electric automobile motor - Google Patents
Water cooling housing and inner water jacket for electric automobile motor Download PDFInfo
- Publication number
- CN202282680U CN202282680U CN2011202966278U CN201120296627U CN202282680U CN 202282680 U CN202282680 U CN 202282680U CN 2011202966278 U CN2011202966278 U CN 2011202966278U CN 201120296627 U CN201120296627 U CN 201120296627U CN 202282680 U CN202282680 U CN 202282680U
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- China
- Prior art keywords
- inner water
- water jacket
- claw
- water sleeve
- dovetail grooves
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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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- Motor Or Generator Cooling System (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The utility model discloses a water cooling housing and an inner water jacket for an electric automobile motor, comprising an inner water jacket, an outer water jacket and a plurality of claws, wherein the upper end face of the inner water jacket is an annular plane, a plurality of dovetail grooves are formed along the annular plane, the wide opening of the plurality of dovetail grooves is located at the outer surface of the inner water jacket, the plurality of dovetail grooves are arranged according to a certain angle, the upper side of each claw is provided with a screw hole, the screw holes are used for fixing the claws on the outer water jacket, the lower side of each claw is gradually narrowed in width to form an inverted trapezoid matched with the dovetail grooves, the lower end face of the inner water jacket is a plane, the lower sides of the claws are respectively embedded into the dovetail grooves, and the claws are fixed on the outer water jacket through screwing. The utility model also discloses the inner water jacket.
Description
Technical field
The utility model relates to the motor cooling system of electric automobile, especially mixed power electric car, particularly a kind of water cooled housing of motor in electric automobile and inner water sleeve.
Background technology
Electric automobile will produce great amount of heat when especially the motor of mixed power electric car is worked under the bigger and complicated operating mode of load.If the untimely discharge of heat will impact motor properties.
If motor is positioned at the front deck of automobile, because front deck ambient temperature very high (generally above 100 ℃) also can make the temperature of motor rise thereupon.Some are integrated in the PHEV between engine and the gearbox with motor, and the temperature in the gearbox clutch housing is higher, and regional area possibly reach about 300 ℃ in some cases.
The heat of the generation of engine and gearbox can pass on the motor, causes that motor temperature further raises, and the operate as normal of motor is caused serious threat.Therefore the effective cooling system of one cover must be set on electric motor of automobile, the temperature of motor is remained in the reasonable range.
The present electric automobile especially motor of mixed power electric car receives the restriction of structural condition, adopts natural ventilation system or forced ventilation mode to cool off mostly, seldom adopts the mode of water-cooled, and cooling effect is not ideal enough.
Chinese patent ZL200820034844.8 discloses the motor in electric automobile water cooled housing; Like Fig. 1, Fig. 2, shown in Figure 3, the motor in electric automobile water cooled housing is made up of inner water sleeve 2, outer water jacket 1, water inlet pipe 9, outlet pipe 6, stator back-up ring 8, and inner water sleeve 2 all is the intermediate hollow cirque structure with outer water jacket 1; Inner water sleeve 2 is socketed in hollow in the outer water jacket 1; Inner water sleeve 2 is the flow channel of cooling fluid with the cavity 14 that outer water jacket 1 is encircled into, and the outer surface of inner water sleeve 2 has groove 15, and 14 form water channel in cavity; Groove 15 plays the effect of fin, increases with the contact area of cooling fluid to take away more heat.Inner water sleeve 2 is identical with the width of outer water jacket 1, and dowel hole 5 is positioned on the step surface of outer water jacket 1, and pin 11 passes through dowel hole 5 and connects inner water sleeves 2 and outer water jackets 1, is provided with sealing ring 13 between inner water sleeve 2 and the outer water jacket 1, realizes effectively sealing, prevents the cooling fluid leakage.Water inlet pipe 9 and outlet pipe 6 and outer water jacket 1 are through being threaded; And the cavity 14 that is encircled into inner water sleeve 2 and outer water jacket 1 communicates; Water inlet pipe 9 is positioned at the below of outer water jacket 1 centerline direction; Outlet pipe 6 is positioned at the top of outer water jacket 1 centerline direction, and cooling fluid gets into from the below, helps discharging the gas in the cavity.
One end of three stator cables 16 is connected with stator 7, and the other end is connected with cable joint 3 on being installed in water cooled housing.Outer water jacket 1 and stator back-up ring 8 are through being threaded, and restriction inner water sleeve 2 moves axially with stator 7.Inner water sleeve 2 inner surfaces are close to stator 7, and when machine operation, the heat of stator 7 passes to inner water sleeve 2, pass to the cooling fluid in the cavity 14 again, take away the heat of motor through circulating of cooling fluid.
One circle bolt hole 4 is arranged on the surperficial end face of outer water jacket 1, be used for installing motor, the installation site of motor is confirmed according to actual conditions, can between engine and gearbox, with bolt engine, motor and gearbox be fixed together.
Chinese patent ZL200820034844.8 discloses the motor in electric automobile water cooled housing; Be to limit inner water sleeve 2 through the fixing stator back-up ring 8 of water jacket outside 1 and spiral shell moving axially; Connect inner water sleeves 2 and outer water jacket 1 to limit inner water sleeve 2 mobile circumferentially through be embedded in pin 11 at dowel hole 5; Complex structure, materials are more.
The utility model content
The technical problem that the utility model will solve provides a kind of water cooled housing of motor in electric automobile, and is simple in structure, reliable, materials are less.
For solving the problems of the technologies described above, the water cooled housing of the motor in electric automobile of the utility model comprises inner water sleeve, outer water jacket, also comprises a plurality of claws;
Said inner water sleeve, its upper surface are planar annular, form a plurality of dovetail grooves along said planar annular, and the wide opening of said a plurality of dovetail grooves is positioned at the outer surface of inner water sleeve, and arrangement has a certain degree between said a plurality of dovetail grooves;
Said claw, its upside is provided with screw, and said screw is used for the claw spiral shell is fixed in said outer water jacket; Its downside is narrowed down by wide, for suitable trapezoidal of said dovetail groove; Its lower surface is the plane;
In said each dovetail groove, embed a claw downside respectively, and the claw spiral shell is fixed on the said outer water jacket.
There are two angles between dovetail groove can be in said a plurality of dovetail groove more than or equal to 70 °.
The number of said claw can equal the number of the dovetail groove on the upper surface of said inner water sleeve.
The number of said claw can be greater than the number of the dovetail groove on the upper surface of said inner water sleeve; Wherein a part of claw downside embeds respectively in a plurality of dovetail grooves on the upper surface of said inner water sleeve; And spiral shell is fixed on the outer water jacket; Other claw downside lower surface is pressed together on the upper surface between the dovetail groove of said inner water sleeve, and spiral shell is fixed on the outer water jacket.
Preferable, the number of said claw is 8, the number of the dovetail groove on the upper surface of said inner water sleeve is 3.
For solving the problems of the technologies described above; The invention also discloses a kind of inner water sleeve, its upper surface is a planar annular, forms a plurality of dovetail grooves along said planar annular; The wide opening of said a plurality of dovetail grooves is positioned at the outer surface of inner water sleeve, and arrangement has a certain degree between said a plurality of dovetail grooves.
Teach goodly, two angles between dovetail groove are arranged in said a plurality of dovetail grooves more than or equal to 70 °.
For solving the problems of the technologies described above, the invention also discloses a kind of claw, its upside is provided with screw; Its downside is narrowed down by wide, for trapezoidal; Its lower surface is the plane.
The water cooled housing of the motor in electric automobile of the utility model; Form a plurality of dovetail grooves in the upper surface of inner water sleeve; Utilize downside by wide be narrowed with said dovetail groove suitable fall trapezoidal claw; In the dovetail groove on the upper surface that the claw downside is embedded said inner water sleeve; The interference power snug fit of dovetail groove face on the downside two sides of claw and the upper surface of inner water sleeve because of producing, claw is fixed in outside on the water jacket after, make inner water sleeve on circumferential and axial same outside water jacket firmly be fixed together.The water cooled housing of the motor in electric automobile of the utility model, simple in structure, reliable, materials are less, are beneficial to suitability for industrialized production.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is done further explain.
Fig. 1 is an existing motor in electric automobile water cooled housing external structure sketch map;
Fig. 2 is the internal structure sketch map of an existing motor in electric automobile water cooled housing;
Fig. 3 is the partial enlarged drawing of the internal structure of an existing motor in electric automobile water cooled housing;
Fig. 4 is the upper surface sketch map of inner water sleeve of water cooled housing one execution mode of the motor in electric automobile of the utility model;
Fig. 5 is the sketch map of claw of water cooled housing one execution mode of the motor in electric automobile of the utility model;
Fig. 6 is the water cooled housing one embodiment sketch map of the motor in electric automobile of the utility model.
Embodiment
Water cooled housing one execution mode of the motor in electric automobile of the utility model, the motor in electric automobile water cooled housing comprises inner water sleeve, outer water jacket, water inlet pipe, outlet pipe, a plurality of claw.
Inner water sleeve and outer water jacket all are the intermediate hollow cirque structures, and inner water sleeve is socketed in hollow in the outer water jacket, and the cavity that inner water sleeve and outer water jacket are encircled into is as the flow channel of cooling fluid; The outer surface of inner water sleeve has groove, in cavity, forms water channel, is provided with sealing ring between inner water sleeve and the outer water jacket; Realize effectively sealing, prevent that cooling fluid from revealing, water inlet pipe and outlet pipe and outer water jacket are through being threaded; And the cavity that is encircled into inner water sleeve and outer water jacket communicates; Water inlet pipe is positioned at the below of outer water jacket centerline direction, and outlet pipe is positioned at the top of outer water jacket centerline direction, and cooling fluid gets into from the below.The inner water sleeve inner surface is used to be close to stator, and when machine operation, the heat of stator passes to inner water sleeve, passes to the cooling fluid in the cavity again, takes away the heat of motor through circulating of cooling fluid;
As shown in Figure 4; The upper surface of said inner water sleeve 2 is a planar annular; Form a plurality of dovetail grooves 21 (shown in the figure being three) along said planar annular, the wide opening of said a plurality of dovetail grooves 21 is positioned at the outer surface of inner water sleeve 2, and arrangement has a certain degree between said a plurality of dovetail grooves 21; Preferable, have two angles between dovetail groove in a plurality of dovetail grooves 21 at least more than or equal to 70 °;
As shown in Figure 5, said claw 30 upsides are provided with screw 31, and said screw 31 is used for claw 30 spiral shells are fixed in outer water jacket; The downside of said claw 1 is narrowed down by wide, for suitable trapezoidal of said dovetail groove, the lower surface of said claw 1 is the plane; The side of the dovetail groove on the downside 32 of said claw 1 and the upper surface of said inner water sleeve 2 fits; A plurality of claw 30 downsides embed respectively in a plurality of dovetail grooves 21 on the upper surface of said inner water sleeve 2; And a plurality of claw 30 spiral shells are fixed on the said outer water jacket; Dovetail groove face on the downside two sides 32 of claw 30 and the upper surface of inner water sleeve 2; Because of the interference power snug fit that produces, inner water sleeve 2 firmly is fixed together with outer water jacket on circumferential and axial, prevent to cause inner water sleeve mobile and axially at circumferencial direction because of vibrations.
The number of said claw can equal the number of the dovetail groove on the upper surface of said inner water sleeve.
One preferred embodiments; The number of said claw 30 is greater than the number of the dovetail groove on the upper surface of said inner water sleeve 2 21; Wherein a part of claw 30 downsides embed respectively in a plurality of dovetail grooves 21 on the upper surface of said inner water sleeve 2; And be fixed on the outer water jacket through screw 31 spiral shells, other claw 30 downside lower surfaces are pressed together on the upper surface between the dovetail groove 21 of said inner water sleeve 2, and the frictional force that relies on contact-making surface is at circumferential fixing inner water sleeve 2.This preferred embodiments; Be pressed together on through part claw 30 downside lower surfaces on the upper surface between the dovetail groove 21 of said inner water sleeve 2; And be fixed on the outer water jacket through screw 31 spiral shells; The frictional force that relies on contact-making surface is at circumferential fixing inner water sleeve 2, can reduce through dovetail groove 21 in the circumferential fixedly requirement of inner water sleeve 2, thereby can reduce the number of the dovetail groove 21 of moulding on the upper surface of inner water sleeve 2; And reduce the requirement to the precision of the dovetail groove 21 of moulding, thereby the processing technology that reduces said inner water sleeve 2 requires and processing cost.
One embodiment is as shown in Figure 6; The number of said claw 30 is eight; The number of the dovetail groove 21 on the upper surface of said inner water sleeve 2 is three, and wherein three claws, 30 downsides embed in three dovetail grooves 21 on the upper surface of said inner water sleeve 2, and is fixed on the outer water jacket through screw 31 spiral shells; Thereby by said oat tail groove structure make inner water sleeve 2 on circumferential and axial with outside water jacket be fixed together; Other five claws, 30 downside lower surfaces are pressed together on the upper surface between the dovetail groove 21 of said inner water sleeve 2, and are fixed on the outer water jacket through screw 31 spiral shells, and the frictional force that relies on contact-making surface is at circumferential further fixing inner water sleeve 2.
The water cooled housing of the motor in electric automobile of the utility model; Form a plurality of dovetail grooves in the upper surface of inner water sleeve; Utilize downside by wide be narrowed with said dovetail groove suitable fall trapezoidal claw; In the dovetail groove on the upper surface that the claw downside is embedded said inner water sleeve; The interference power snug fit of dovetail groove face on the downside two sides of claw and the upper surface of inner water sleeve because of producing, claw is fixed in outside on the water jacket after, make inner water sleeve on circumferential and axial same outside water jacket firmly be fixed together.The water cooled housing of the motor in electric automobile of the utility model, simple in structure, reliable, materials are less, are beneficial to suitability for industrialized production.
Claims (7)
1. the water cooled housing of a motor in electric automobile comprises inner water sleeve, outer water jacket, it is characterized in that, also comprises a plurality of claws;
Said inner water sleeve, its upper surface are planar annular, form a plurality of dovetail grooves along said planar annular, and the wide opening of said a plurality of dovetail grooves is positioned at the outer surface of inner water sleeve, and arrangement has a certain degree between said a plurality of dovetail grooves;
Said claw, its upside is provided with screw, and said screw is used for the claw spiral shell is fixed in said outer water jacket; Its downside is narrowed down by wide, for suitable trapezoidal of said dovetail groove; Its lower surface is the plane;
In said each dovetail groove, embed a claw downside respectively, and the claw spiral shell is fixed on the said outer water jacket.
2. the water cooled housing of motor in electric automobile according to claim 1 is characterized in that, two angles between dovetail groove is arranged more than or equal to 70 ° in said a plurality of dovetail grooves.
3. the water cooled housing of motor in electric automobile according to claim 1 is characterized in that, the number of said claw equals the number of the dovetail groove on the upper surface of said inner water sleeve.
4. the water cooled housing of motor in electric automobile according to claim 1; It is characterized in that; The number of said claw is greater than the number of the dovetail groove on the upper surface of said inner water sleeve, and wherein a part of claw downside embeds respectively in a plurality of dovetail grooves on the upper surface of said inner water sleeve, and spiral shell is fixed on the outer water jacket; Other claw downside lower surface is pressed together on the upper surface between the dovetail groove of said inner water sleeve, and spiral shell is fixed on the outer water jacket.
5. the water cooled housing of motor in electric automobile according to claim 4 is characterized in that, the number of said claw is 8, and the number of the dovetail groove on the upper surface of said inner water sleeve is 3.
6. an inner water sleeve is characterized in that, its upper surface is a planar annular, forms a plurality of dovetail grooves along said planar annular, and the wide opening of said a plurality of dovetail grooves is positioned at the outer surface of inner water sleeve, and arrangement has a certain degree between said a plurality of dovetail grooves.
7. inner water sleeve according to claim 6 is characterized in that, two angles between dovetail groove is arranged more than or equal to 70 ° in said a plurality of dovetail grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202966278U CN202282680U (en) | 2011-08-16 | 2011-08-16 | Water cooling housing and inner water jacket for electric automobile motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202966278U CN202282680U (en) | 2011-08-16 | 2011-08-16 | Water cooling housing and inner water jacket for electric automobile motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202282680U true CN202282680U (en) | 2012-06-20 |
Family
ID=46228831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202966278U Withdrawn - After Issue CN202282680U (en) | 2011-08-16 | 2011-08-16 | Water cooling housing and inner water jacket for electric automobile motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202282680U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102290908A (en) * | 2011-08-16 | 2011-12-21 | 联合汽车电子有限公司 | Water-cooling shell, inner jacket and jaw of electric vehicle motor |
| CN106533060A (en) * | 2015-09-14 | 2017-03-22 | 舍弗勒技术股份两合公司 | Cooling liquid sleeve and fixing device thereof and motor |
-
2011
- 2011-08-16 CN CN2011202966278U patent/CN202282680U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102290908A (en) * | 2011-08-16 | 2011-12-21 | 联合汽车电子有限公司 | Water-cooling shell, inner jacket and jaw of electric vehicle motor |
| CN102290908B (en) * | 2011-08-16 | 2013-05-15 | 联合汽车电子有限公司 | Water-cooling shell, inner jacket and jaw of electric vehicle motor |
| CN106533060A (en) * | 2015-09-14 | 2017-03-22 | 舍弗勒技术股份两合公司 | Cooling liquid sleeve and fixing device thereof and motor |
| CN106533060B (en) * | 2015-09-14 | 2020-10-30 | 舍弗勒技术股份两合公司 | Cooling liquid sleeve and fixing device thereof and motor |
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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 |
Granted publication date: 20120620 Effective date of abandoning: 20130515 |
|
| RGAV | Abandon patent right to avoid regrant |