CN207069820U - A kind of direct-cooled motor for electric car - Google Patents
A kind of direct-cooled motor for electric car Download PDFInfo
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- CN207069820U CN207069820U CN201721112565.4U CN201721112565U CN207069820U CN 207069820 U CN207069820 U CN 207069820U CN 201721112565 U CN201721112565 U CN 201721112565U CN 207069820 U CN207069820 U CN 207069820U
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Abstract
The utility model discloses a kind of direct-cooled motor for electric car, including electric machine casing, drive end bearing bracket and rear end cap, the rotating shaft being arranged in electric machine casing, rotor assembly and stator module, water-cooled housing is provided with the lateral surface of electric machine casing, Water-cooling circulating loop is formed by being provided with water inlet tube interface, snakelike conduit and water outlet interface tube between electric machine casing and water-cooled housing；Wind cooling casting is provided with the lateral surface of electric machine casing rear end cap, by the air inlet on rear end cap, the air-cooled passage in air outlet and electric machine casing on drive end bearing bracket forms air-cooled circulation loop.Using the direct-cooled motor described in the utility model for electric car, pass through formed Water-cooling circulating loop and air-cooled circulation loop, ensure along the heat aggtegation near the dispersing uniformity and rear end cap of electrical axis direction region heat, it is ensured that the steady running of motor.Realization is comprehensively cooled down to motor, its good cooling results, has the characteristics of simple in construction, easy to use, practical.
Description
Technical field
The utility model relates to vehicle technology field, specifically a kind of direct-cooled motor for electric car.
Background technology
With the worsening shortages of resource, for the idea of energy-conserving and environment-protective not after deeply, conventional gasoline car can not adapt to society again
The development of meeting, electric car have its superior energy-conserving and environment-protective performance as a kind of novel energy car.Because electric car is in energy-conservation, ring
Outstanding advantage in terms of guarantor so that the research and extension of electric car turns into the focus of industry in recent years.Based on pure electric automobile
New-energy automobile be rapidly developed with its excellent environmental-protecting performance and high-energy utilization ratio, while electric car be it is existing most
One of most environmentally friendly transport facility of economy, meet green theory, motor, controller and battery are in new-energy automobile
Three big key technologies.
The application of motor is wider, particularly in recent years, as China promotes manufacturing industry transition and upgrade, in various intelligence
In manufacturing field, using motor as power and the automaticity more and more higher of the automation equipment of drive control is carried out.This
Under trend, the requirement of the equipment of every profession and trade to motor also more and more higher, for example, efficiency high, power density are big.The motor course of work
The reason for middle generation heat, includes bearing friction, coil resistance, iron core magnetic resistance etc., when motor temperature is too high, can cause motor
Operation is broken down, the service life of serious curtailment motor.Include self-cooled, air-cooled to the usual way of electric motor temperature reduction at present
And water-cooled.For motor in prolonged operation process, problem of temperature rise often governs the Effec-tive Function of motor, further also
The service life of motor can be reduced.Existing electric car water-cooled machine only sets water pump in the side of motor, and motor is carried out
Cooling, cooling effect is poor, and especially when motor operating time is longer, the opposite side heating of motor is serious, has a strong impact on motor
The normal operation of service life and electric automobile.
Utility model content
The technical problems to be solved in the utility model is for problem present in background technology, there is provided a kind of structure letter
It is single, easy to use, it can realize and motor is cooled down comprehensively, motor housing radiating can be taken into account, avoid electrical axis direction hot
Amount excessively collection neutralizes the heat aggregation near rear end cap, specifically a kind of direct-cooled motor for electric car.
In order to solve the above technical problems, technical scheme is used by the utility model：It is a kind of to be used for the direct-cooled of electric car
Motor, including electric machine casing, be arranged at the electric machine casing both ends drive end bearing bracket and rear end cap, be arranged in the electric machine casing
Rotating shaft, the rotor assembly and the stator module around the rotor assembly of the fixed rotating shaft, in the electric machine casing
Lateral surface is provided with water-cooled housing, sealing toroidal cavity is formed between the electric machine casing and water-cooled housing, in the sealing ring
Snakelike conduit is provided with shape cavity, the water inlet tube interface communicated with snakelike conduit is set respectively in the water-cooled housing and gone out
Waterpipe jointing, the water inlet tube interface, snakelike conduit and water outlet interface tube form Water-cooling circulating loop；After the electric machine casing
The lateral surface of end cap is provided with Wind cooling casting, is formed between the rear end cap and Wind cooling casting and accommodates inner chamber, in the receiving
Impeller is provided with chamber, the impeller is connected by rotating shaft of the connecting shaft with stretching out the rear end cap, in the connecting shaft both sides
Clamping disk is provided with, the impeller is installed between two clamping disks, air inlet is provided with end cap in the rear, in front end
Cover and be provided with air outlet, and air-cooled passage is provided with electric machine casing, the air inlet, air-cooled passage and air outlet are formed
Air-cooled circulation loop.
Further, the direct-cooled motor for electric car, wherein the both ends of the water-cooled housing and electric machine casing are close
Envelope is fixedly connected, and the snakelike conduit in sealing toroidal cavity is set in the shape of a spiral around the axis direction of the electric machine casing
Put, wherein water inlet tube interface and water outlet interface tube are located on the side of water-cooled housing rear and front end respectively.
Further, the direct-cooled motor for electric car, wherein the snakelike conduit is arranged to flat pipe structure,
The thickness of its tube wall is 1.0~2.0mm.To take into account the smoothness of current and radiating efficiency.
Further, the direct-cooled motor for electric car, wherein to be provided with several annular in shape equal for the air inlet
Even to be distributed on rear end cap, the air-cooled passage matches along the axially arranged of electric machine casing, the air outlet with air inlet, institute
State air inlet, air-cooled passage and air outlet and form several air-cooled circulation loops.
Further, the direct-cooled motor for electric car, wherein the diameter of the connecting shaft is less than the rotating shaft
Diameter.
Further, the direct-cooled motor for electric car, wherein the Wind cooling casting is set to be in round-like structure,
Wind cooling casting is provided with several ventilation mesh communicated with accommodating inner chamber.
Further, the direct-cooled motor for electric car, wherein also being set on the air inlet and the air outlet
There is screen pack.
Further, the direct-cooled motor for electric car, wherein the air-cooled passage is set along the axial direction of electric machine casing
Put, sound-absorbing material layer is laid with the inwall of the air-cooled passage.
Using the direct-cooled motor described in the utility model for electric car, because the lateral surface in electric machine casing is provided with water
SAPMAC method loop, by the external cooling water of water inlet tube interface, under snakelike conduit effect, cooling water can enter from water outlet interface tube
Reused after row recovery cooling, motor can be cooled down, ensure that along electricity using the cooling water flowed in snakelike conduit
Machine axis direction region heat it is uniform.In addition, air-cooled circulation is formed by the air-cooled passage being provided with electric machine casing
Loop, it in motor operation course, can be rotated by rotating shaft impeller, motor is cooled down so as to form air-cooled loop,
Avoid the heat aggregation near rear end cap.Pass through formed Water-cooling circulating loop and air-cooled circulation loop, ensure that along electricity
Heat aggtegation near the dispersing uniformity and rear end cap of machine axis direction region heat, ensures the steady running of motor.
Realization is comprehensively cooled down to motor, its good cooling results, has the characteristics of simple in construction, easy to use, practical.
Brief description of the drawings
The utility model is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 is structural representation of the present utility model.
Shown in figure：1- electric machine casings, 2- rotating shafts, 3- rotor assembly, 4- stator modules, 5- drive end bearing brackets, 6- air outlets, 7-
Water-cooled housing, 8- sealing toroidal cavity, 9- water inlet tube interfaces, 10- snakelike conduits, 11- water outlets interface tube, the air-cooled passages of 12-,
13- rear end caps, 14- Wind cooling castings, 15- accommodate inner chamber, 16- impellers, 17- connecting shafts, 18- clamping disks, 19- air inlets.
Embodiment
As shown in figure 1, a kind of direct-cooled motor for electric car described in the utility model, including electric machine casing 1, setting
Drive end bearing bracket 5 and rear end cap 13 in the both ends of electric machine casing 1, the rotating shaft 2 being arranged in the electric machine casing 1, it is fixed described in
The rotor assembly 3 of rotating shaft 2 and the stator module 4 around the rotor assembly 3, set in the lateral surface of the electric machine casing 1
There is water-cooled housing 7, sealing toroidal cavity 8 is formed between the electric machine casing 1 and water-cooled housing 7, in the sealing toroidal cavity 8
In be provided with snakelike conduit 10, the water inlet tube interface 9 that is communicated with snakelike conduit 10 is set respectively in the water-cooled housing 7 and gone out
Waterpipe jointing 11, the water inlet tube interface 9, snakelike conduit 10 and water outlet interface tube 11 form Water-cooling circulating loop；In the electricity
The lateral surface of the rear end cap 13 of casing body 1 is provided with Wind cooling casting 14, forms and accommodates between the rear end cap 13 and Wind cooling casting 14
Inner chamber 15, impeller 16 is provided with the receiving inner chamber 15, the impeller 16 is by connecting shaft 17 with stretching out the rear end cap
13 rotating shaft 2 connects, and is provided with clamping disk 18 in the both sides of connecting shaft 17, the impeller 16 is installed on two clamping disks 18
Between, air inlet 19 is provided with end cap 13 in the rear, air outlet 6 is provided with drive end bearing bracket 5, and in electric machine casing 1
It is provided with air-cooled passage 12, the air inlet 19, air-cooled passage 12 and air outlet 6 become a common practice SAPMAC method loop.
Further, the direct-cooled motor of the present invention for electric car, wherein the water-cooled housing 7 and electric machine casing 1
Both ends be sealedly and fixedly connected, positioned at sealing toroidal cavity 8 in snakelike conduit 9 around the electric machine casing 1 axis direction
Set in the shape of a spiral, wherein water inlet tube interface 9 and water outlet interface tube 11 are located on the rear and front end side of water-cooled housing 7 respectively.Its
Described in snakelike conduit 10 be arranged to flat pipe structure, the thickness of its tube wall is 1.0~2.0mm.Snakelike conduit 10 is set to
Squashed structure, it can so take into account the smoothness and radiating efficiency of current.Wherein described air inlet 19 is provided with several and is in
Ring-type is uniformly distributed on rear end cap 13, and the air-cooled passage 12 is along the axially arranged of electric machine casing 1, and the air outlet 6 is with entering
Air port 19 matches, and the air inlet 19, air-cooled passage 12 and air outlet 6 form several air-cooled circulation loops.
Further, the direct-cooled motor of the present invention for electric car, wherein the diameter of the connecting shaft 17 is less than institute
The diameter of rotating shaft 2 is stated, by connecting shaft 17 impeller 16 can be made to be rotated with the rotating shaft 2；The Wind cooling casting 14 is set to
Round-like structure, several ventilation mesh communicated with accommodating inner chamber 15 are provided with Wind cooling casting 14；In the air inlet 19
Screen pack is additionally provided with the air outlet 6, to avoid dust and other impurities from entering motor internal, so as to effectively reduce the event of motor
Barrier rate, extend the service life of motor；The air-cooled passage 12 is along the axially arranged of electric machine casing 1, in the air-cooled passage 12
Inwall in be laid with sound-absorbing material layer.The air entered in air-cooled passage 12 from air inlet 19 can be so reduced to flow over
Noise caused by journey, the work noise of motor is effectively reduced, improve the quality of working environment.
In actual application, using the direct-cooled motor described in the utility model for electric car, due in motor
The lateral surface of housing 1 is provided with water-cooled housing 7, is formed between electric machine casing 1 and water-cooled housing 7 in sealing toroidal cavity 8
Provided with snakelike conduit 10, the water inlet tube interface 9 communicated with snakelike conduit 10 and water outlet interface tube 11 are provided with water-cooled housing 7,
Water-cooling circulating loop is formed by water inlet tube interface 9, snakelike conduit 10 and water outlet interface tube 11, it is external by water inlet tube interface 9
Cooling water, under the effect of snakelike conduit 10, cooling water can be from water outlet interface tube 11 by repeating utilization, profit after reclaiming cooling
Motor can be cooled down with the cooling water flowed in snakelike conduit 10.Further, since in the rear end cap 13 of electric machine casing 1
Lateral surface is provided with Wind cooling casting 14, is formed between the rear end cap 13 and Wind cooling casting 14 and accommodates inner chamber 15, in the receiving
Impeller 16 is provided with inner chamber 15, the impeller 16 is connected by rotating shaft 2 of the connecting shaft 17 with stretching out the rear end cap 13, in institute
State the both sides of connecting shaft 17 and be equipped with clamping disk 18, the impeller 16 is installed between two clamping disks 18, in the rear end cap 13
Air inlet 19 is provided with, air outlet 6 is provided with drive end bearing bracket 5, and air-cooled passage 12, the air intake are provided with electric machine casing 1
Mouth 19, air-cooled passage 12 and air outlet 6 form air-cooled circulation loop.In motor operation course, pass through the impeller 16 of rotating shaft 2
Rotation, is cooled down so as to form air-cooled loop to motor.
Using the direct-cooled motor described in the utility model for electric car, due to being provided with the lateral surface of electric machine casing 1
Water-cooling circulating loop, by 9 external cooling water of water inlet tube interface, under the effect of snakelike conduit 10, cooling water can be from outlet pipe
Reused after the recovery cooling of interface 11, motor can be cooled down, protected using the cooling water flowed in snakelike conduit 10
Demonstrate,prove along the uniform of electrical axis direction region heat.In addition, pass through 12 shapes of air-cooled passage being provided with electric machine casing 1
Become a common practice SAPMAC method loop, in motor operation course, can be rotated by the impeller 16 of rotating shaft 2, so as to form air-cooled loop pair
Motor is cooled down, and avoids the heat aggregation near rear end cap.Pass through formed Water-cooling circulating loop and air-cooled be recycled back to
Road, it ensure that along the heat aggtegation near the dispersing uniformity and rear end cap of electrical axis direction region heat, ensure electricity
The steady running of machine.Realization is comprehensively cooled down to motor, its good cooling results, has simple in construction, easy to use, practicality
The characteristics of property is strong.
The scope of protection of the utility model is not limited only to the technical scheme disclosed in embodiment, the foregoing is only
Better embodiment of the present utility model, the utility model is not intended to limit, it is every to be made according to the technical solution of the utility model
Any trickle amendment, equivalent substitution and improvement, should be included within the protection domain of technical solutions of the utility model.
Claims (8)
1. a kind of direct-cooled motor for electric car, including electric machine casing (1), be arranged at the electric machine casing (1) both ends before
End cap (5) and rear end cap (13), the rotating shaft (2) being arranged in the electric machine casing (1), the rotor set of the fixed rotating shaft (2)
Part (3) and the stator module (4) around the rotor assembly (3), it is characterised in that：In the outside of the electric machine casing (1)
Face is provided with water-cooled housing (7), sealing toroidal cavity (8) is formed between the electric machine casing (1) and water-cooled housing (7), in institute
State in sealing toroidal cavity (8) and be provided with snakelike conduit (10), set respectively in the water-cooled housing (7) and snakelike conduit
(10) water inlet tube interface (9) and water outlet interface tube (11) communicated, the water inlet tube interface (9), snakelike conduit (10) and water outlet
Interface tube (11) forms Water-cooling circulating loop；The lateral surface of the electric machine casing (1) rear end cap (13) is provided with Wind cooling casting
(14), formed between the rear end cap (13) and Wind cooling casting (14) and accommodate inner chamber (15), set in receiving inner chamber (15)
Impeller (16) is equipped with, the impeller (16) is connected by rotating shaft (2) of the connecting shaft (17) with stretching out the rear end cap (13), in institute
State connecting shaft (17) both sides and be provided with clamping disk (18), the impeller (16) is installed between two clamping disks (18), in institute
State and air inlet (19) is provided with rear end cap (13), air outlet (6) is provided with drive end bearing bracket (5), and in electric machine casing (1)
Air-cooled passage (12) is provided with, the air inlet (19), air-cooled passage (12) and air outlet (6) form air-cooled circulation loop.
A kind of 2. direct-cooled motor for electric car according to claim 1, it is characterised in that：The water-cooled housing (7)
It is sealedly and fixedly connected with the both ends of electric machine casing (1), the snakelike conduit (10) in sealing toroidal cavity (8) is around the electricity
The axis direction of casing body (1) is set in the shape of a spiral, and wherein water inlet tube interface (9) and water outlet interface tube (11) is located at water cooling respectively
On housing (7) rear and front end side.
A kind of 3. direct-cooled motor for electric car according to claim 2, it is characterised in that：The snakelike conduit (10)
Flat pipe structure is arranged to, the thickness of its tube wall is 1.0~2.0mm, to take into account the smoothness of current and radiating efficiency.
A kind of 4. direct-cooled motor for electric car according to claim 1, it is characterised in that：The air inlet (19) sets
It is equipped with several to be annularly uniformly distributed on rear end cap (13), axial direction of the air-cooled passage (12) along electric machine casing (1) is set
Put, the air outlet (6) matches with air inlet (19), the air inlet (19), air-cooled passage (12) and air outlet (6) formation
Several air-cooled circulation loops.
A kind of 5. direct-cooled motor for electric car according to claim 1, it is characterised in that：The connecting shaft (17)
Diameter is less than the diameter of the rotating shaft (2).
A kind of 6. direct-cooled motor for electric car according to claim 1, it is characterised in that：The Wind cooling casting (14)
It is in round-like structure to be set to, and several ventilation mesh communicated with accommodating inner chamber (15) are provided with Wind cooling casting (14).
A kind of 7. direct-cooled motor for electric car according to claim 1, it is characterised in that：In the air inlet (19)
Screen pack is additionally provided with the air outlet (6).
A kind of 8. direct-cooled motor for electric car according to claim 1, it is characterised in that：The air-cooled passage (12)
Along the axially arranged of electric machine casing (1), sound-absorbing material layer is laid with the inwall of the air-cooled passage (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721112565.4U CN207069820U (en) | 2017-09-01 | 2017-09-01 | A kind of direct-cooled motor for electric car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721112565.4U CN207069820U (en) | 2017-09-01 | 2017-09-01 | A kind of direct-cooled motor for electric car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207069820U true CN207069820U (en) | 2018-03-02 |
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ID=61514550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721112565.4U Active CN207069820U (en) | 2017-09-01 | 2017-09-01 | A kind of direct-cooled motor for electric car |
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| CN (1) | CN207069820U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107359743A (en) * | 2017-09-01 | 2017-11-17 | 贵州苏佳乐电动车有限公司 | A kind of direct-cooled motor for electric car |
| CN113266533A (en) * | 2021-06-02 | 2021-08-17 | 安徽三联学院 | Aerogenerator gear box with heat radiation structure |
-
2017
- 2017-09-01 CN CN201721112565.4U patent/CN207069820U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107359743A (en) * | 2017-09-01 | 2017-11-17 | 贵州苏佳乐电动车有限公司 | A kind of direct-cooled motor for electric car |
| CN113266533A (en) * | 2021-06-02 | 2021-08-17 | 安徽三联学院 | Aerogenerator gear box with heat radiation structure |
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