CN216751385U - Air-cooled heat abstractor is used to electric automobile motor - Google Patents
Air-cooled heat abstractor is used to electric automobile motor Download PDFInfo
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- CN216751385U CN216751385U CN202123237201.8U CN202123237201U CN216751385U CN 216751385 U CN216751385 U CN 216751385U CN 202123237201 U CN202123237201 U CN 202123237201U CN 216751385 U CN216751385 U CN 216751385U
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- 229910000976 Electrical steel Inorganic materials 0.000 claims abstract description 69
- 238000009434 installation Methods 0.000 claims abstract description 9
- 230000017525 heat dissipation Effects 0.000 claims abstract description 5
- 229910000831 Steel Inorganic materials 0.000 description 23
- 239000010959 steel Substances 0.000 description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Abstract
The utility model discloses a name is an air-cooled heat abstractor for electric automobile motor. Belongs to the technical field of motors for electric automobiles. The motor mainly solves the problem that a vertically-installed motor of an electric automobile is not provided with a heat dissipation device for directly dissipating heat generated in the motor. It is mainly characterized in that: the motor comprises a motor upper end cover for vertically mounting a motor, a motor lower end cover, stator silicon steel and rotor silicon steel; an air outlet and an air inlet are respectively arranged on the upper end cover and the lower end cover of the motor; and a gap is arranged between the stator silicon steel and the rotor silicon steel, and the gap forms an air duct. The utility model has the characteristics of simple structure, direct heat effluvium and the radiating effect good with the inside stator of motor and rotor part production, the electric automobile motor of the vertical installation of mainly used.
Description
Technical Field
The utility model belongs to the technical field of the motor for the electric automobile, concretely relates to air-cooled heat abstractor for electric automobile direct current motor of vertical installation.
Background
At present, the electric automobile uses a plurality of types of motors, including an alternating current motor and a direct current motor, wherein the two types of motors include a permanent magnet motor, a reluctance motor, an air-cooled motor, a water-cooled oil-cooled motor and the like, some motors adopt an inverter device, the use is complex, the installation is inconvenient, some motors have high noise and high energy consumption, the driving range of the electric automobile cannot be increased, and the use requirement of the electric automobile cannot be met. Therefore, people research a low-voltage torque-adjustable high-efficiency special motor for an electric automobile, the motor is vertically installed on a front axle of the electric automobile, and if heat generated inside the special motor for the electric automobile, particularly heat generated by a stator and a rotor part, cannot be dissipated timely, the further improvement of the driving range of the electric automobile is inevitably influenced.
Disclosure of Invention
The utility model aims at providing an air-cooled heat abstractor for electric automobile motor that can take away the inside heat of motor automatically at the vehicle in the driving process to above-mentioned weak point.
The technical solution of the utility model is that: the utility model provides an air-cooled heat abstractor for electric automobile motor, includes motor upper end cover, motor lower extreme cover, stator silicon steel and the rotor silicon steel of vertical installation motor, its characterized in that: the upper end cover of the motor and the lower end cover of the motor are respectively provided with an air outlet and an air inlet; and a gap is arranged between the stator silicon steel and the rotor silicon steel, and the gap forms an air duct.
The technical solution of the utility model in the silicon steel sheet outer wall of rotor silicon steel be equipped with the axial wind groove.
The technical solution of the utility model in the air intake be along the round air intake that the circumference set up, and just right with the clearance between stator silicon steel and the rotor silicon steel.
The technical solution of the utility model in the air outlet be along the round air outlet of circumference setting, and just right with the clearance between stator silicon steel and the rotor silicon steel.
The air inlet in the technical proposal of the utility model is a circle of air inlet arranged along the circumference and is just opposite to the clearance between the stator silicon steel and the rotor silicon steel; the air outlet is a circle of air outlet arranged along the circumference and is just opposite to the gap between the stator silicon steel and the rotor silicon steel.
The utility model discloses owing to be equipped with the air outlet on the motor upper end cover of vertical installation motor, be equipped with the air intake respectively under the motor of vertical installation motor under the motor end cover, be equipped with the clearance between stator silicon steel and rotor silicon steel, therefore form the wind channel between the air intake of motor lower end cover, clearance between stator silicon steel and the rotor silicon steel and the air outlet of motor upper end cover, be equipped with the axial air duct with rotor silicon steel's silicon steel sheet outer wall, constitute air-cooled heat abstractor. In the running process of a vehicle, a motor rotor rotates to naturally form natural circulation wind from bottom to top, the natural circulation wind takes away heat generated inside the motor, and the inside of the motor is cooled in a circulating mode continuously.
The utility model discloses electric automobile motor of vertical installation of mainly used.
Drawings
Fig. 1 is a schematic structural diagram of the electric vehicle motor of the present invention.
Reference numerals: 1. the magnetic steel gearbox comprises a coil outgoing line head, 2 water outlets, 3 an outer cylinder water tank, 4 coils, 5 magnetic steel, 6 stator silicon steel, 7 rotor silicon steel, 8 a motor lower end cover, 9 a rotor lower flange plate, 10 a rotor spline shaft head, 11 a gearbox positioning sleeve, 12 a spline shaft head limiting sleeve, 13 a rotor inner cylinder, 14 a magnetic steel stainless steel pressure plate, 15 an outer cylinder, 16 a water inlet, 17 a rotor upper flange plate, 18 an air inlet, 19 an air outlet, 20 a closed cavity, 21 a rotor fastening bolt, 22 a bearing, 23 a first Hall adjusting plate, a second Hall magnetic steel plate, 24 Hall magnetic steel plates and 25 a motor upper end cover.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1, the utility model relates to an air-cooled heat abstractor for electric automobile motor is used for an embodiment of the adjustable high-efficient electric automobile special motor of low-voltage moment of torsion, including the motor upper end cover 25, the motor lower end cover 8, stator silicon steel 6 and the rotor silicon steel 7 of vertical installation motor. An air inlet 18 is arranged on the lower end cover 8 of the motor, and the air inlet 18 is a circle of air inlet arranged along the circumference and is opposite to the gap between the stator silicon steel 6 and the rotor silicon steel 7. An air outlet 19 is arranged on the upper end cover 25 of the motor, and the air outlet 19 is a circle of air outlets arranged along the circumference and is opposite to the gap between the stator silicon steel 6 and the rotor silicon steel 7. A gap is provided between the stator silicon steel 6 and the rotor silicon steel 7, which gap forms an air duct. And an axial air groove is formed in the outer wall of the silicon steel sheet of the rotor silicon steel 7. The air-cooled heat dissipation device for the electric automobile motor is characterized in that the air-cooled heat dissipation device comprises an air-cooled heat dissipation device for the electric automobile motor, natural circulating air from bottom to top is naturally formed by the rotation of the motor and the vehicle in the driving process, an axial air groove is formed in the outer wall of a rotor silicon steel sheet, and the rotor rotates to drive the air to circularly cool so as to take away the heat in the motor.
An embodiment of a low-voltage torque-adjustable high-efficiency special motor for an electric automobile comprises an outer cylinder 15, an upper end cover 25, a lower end cover 8, a bearing 22, a rotor shaft, a coil 4, a coil framework, magnetic steel 5, stator silicon steel 6, rotor silicon steel 7 and the like. The rotor shaft comprises a rotor inner cylinder 13, a rotor upper flange 17 and a rotor lower flange 9 which are connected to the upper end and the lower end of the rotor inner cylinder, and the rotor upper flange 17 and the rotor lower flange 9 are respectively arranged on an upper end cover 25 and a lower end cover 8 through bearings 22. The lower flange plate 9 of the rotor is provided with a gearbox locating sleeve 11, the upper flange plate 17 of the rotor is provided with a Hall adjusting plate, the outer side of the inner cylinder 13 is provided with two rows of rotor silicon steel 7 and magnetic steel 5 in parallel, and the inner side of the outer cylinder 15 is correspondingly provided with two rows of stator silicon steel 6 and two or more rows of coils 4 in parallel. The motor is designed by adopting dual-rotor silicon steel 7, dual-stator silicon steel 6 and dual or multi-coil 4, two sets of rotor magnetic steel silicon steel sheets are designed on the rotor inner cylinder 13, and the magnetic steel 5 is semi-arc magnetic steel and is inserted into a silicon steel groove designed by the rotor. One, two or more groups of coils 4 are embedded in each groove of two sets of coil silicon steel sheets corresponding to the motor magnetic steel 5, and the coils 4 are used for adjusting the torque of the motor according to different turns and different connection methods and are matched with an automatic torque adjuster of an electric automobile motor. Three, six, nine or more wire ends are output from the stator coil wire ends 1 matched with each set of magnetic steel 5 of the motor, the aim of adjusting the motor torque is changed in a multi-stage mode through an automatic motor torque adjuster of the electric automobile in different wiring modes, and the torque adjustment can be automatically converted and adjusted by adopting 30 yards, 60 yards, 90 yards and 120 yards of the automobile speed.
The double-layer design of the motor outer barrel 15 forms an outer barrel water tank 3, a water inlet 16 is formed in the lower end of the outer wall of the outer barrel 15, a water outlet 2 is formed in the upper end of the outer wall, and heat generated by the electrified stator silicon steel 6 silicon steel sheet of the motor coil 4 can be taken away through circulation of water. The inner cylinder 13 of the motor rotor is hollow, the rotor upper flange 17 and the rotor lower flange 9 are fixed by sealing rotor fastening bolts 21, and a proper amount of cooling liquid or cooling water can be added into a closed cavity 20 of the hollow part to take away heat generated by the operation of the rotor magnetic steel 5. The motor adopts three different cooling methods, so that the motor is ensured not to generate heat during operation, and the efficiency of the motor is improved.
The rotor lower flange plate 9 is provided with a rotor spline shaft head 10, and a gearbox positioning sleeve 11 is sleeved on the rotor spline shaft head 10. The outer end of the rotor spline shaft head 10 is provided with a spline shaft head limiting sleeve 12, so that the inner sleeve and the outer sleeve of the motor bearing 22 rotate on the same plane, and the service life of the bearing 22 is ensured. The lower plane of the lower end cover 8 of the motor is fixedly connected with the shell of the gearbox through a gearbox positioning sleeve 11 and fastened by fastening bolts. Two sets of position hall of first hall adjustment dish, second hall adjustment dish 23 that are adjustable are equipped with on the upper end cover 25 upper plane of motor, distribute on same circumference simultaneously, the hall of first hall adjustment dish and second hall adjustment dish 23 occupies 60 degrees spaces respectively, remaining space is used for adjusting the position of first hall adjustment dish, second hall adjustment dish 23 hall, two sets of hall, 180 degrees correspond on same plane, use with supporting the position of adjusting hall with hall magnet steel 24 on the rotor spindle nose. Each set of rotor magnetic steel 5 is embedded in the rotor silicon steel 7 groove, two magnetic steel stainless steel pressure plates 14 are respectively supported at two ends and are fastened and fixed by a rotor upper flange 17, a rotor lower flange 9 and a rotor fastening bolt 21. The shaft head end of the flange plate 17 on the motor rotor is provided with a Hall magnetic steel disk 24 corresponding to a Hall device, and the number of the pole pairs of Hall magnetic steel of the Hall magnetic steel disk 24 is the same as that of the 5 pole pairs of the motor rotor magnetic steel.
The embodiment of the special motor for the low-voltage torque-adjustable high-efficiency electric automobile is supported by a rotor shaft upper bearing 22, a stator outer cylinder 15, an upper end cover 25 and a lower end cover 8 to form a motor whole, the motor adopts magnetic steel 5 with different slot numbers of stator silicon steel 6 and different pole numbers of a rotor to determine different voltage grades of the motor from below 72v, and the design of the low-voltage motor is realized. The embodiment of the special low-voltage torque-adjustable high-efficiency motor for the electric automobile is provided with a first Hall adjusting disc and a second Hall adjusting disc 23, and the special low-voltage torque-adjustable high-efficiency motor is used for adjusting the forward and reverse rotation of the motor, so that the forward and reverse rotation efficiency of the motor is optimal. The motor is designed into two sets of stator silicon steel 6 and rotor silicon steel 7 of the same model, two sets of coils are designed in a stator silicon steel 6 groove, an electric automobile motor torque automatic regulator and a motor speed regulation device are matched for use according to 9 coil ends, the efficiency is as high as 92-96%, a silicon steel sheet is stamped by a die, a magnetic steel 5 is an arc magnetic steel and can be inserted into a rotor silicon steel groove in an embedded mode, and rectangular wave crests are smoother, more stable and free of clutter. The motor has the advantages of adjustable torque under rated voltage, small through current, low noise and energy conservation. The embodiment of the special motor for the low-voltage torque-adjustable high-efficiency electric automobile is matched with a speed regulating device, so that the one-time charging driving range of the electric automobile can reach more than 800 and 1000 kilometers, and the energy consumption per hundred kilometers of ton is not higher than 5 KWh.
Claims (5)
1. The utility model provides an air-cooled heat abstractor for electric automobile motor, includes motor upper end cover (25), motor bottom end cover (8), stator silicon steel (6) and rotor silicon steel (7) of vertical installation motor, its characterized in that: an air outlet (19) and an air inlet (18) are respectively arranged on the upper end cover (25) and the lower end cover (8) of the motor; and a gap is arranged between the stator silicon steel (6) and the rotor silicon steel (7), and the gap forms an air duct.
2. The air-cooled heat dissipation device for the electric vehicle motor according to claim 1, characterized in that: and the outer wall of the silicon steel sheet of the rotor silicon steel (7) is provided with an axial air groove.
3. The air-cooled heat dissipating device for the electric vehicle motor according to claim 1 or 2, characterized in that: the air inlet (18) is a circle of air inlet arranged along the circumference and is opposite to the gap between the stator silicon steel (6) and the rotor silicon steel (7).
4. The air-cooled heat dissipating device for the electric vehicle motor according to claim 1 or 2, characterized in that: the air outlet (19) is a circle of air outlet arranged along the circumference and is just opposite to the gap between the stator silicon steel (6) and the rotor silicon steel (7).
5. The air-cooled heat dissipating device for the electric vehicle motor according to claim 1 or 2, characterized in that: the air inlet (18) is a circle of air inlet arranged along the circumference and is opposite to the gap between the stator silicon steel (6) and the rotor silicon steel (7); the air outlet (19) is a circle of air outlet arranged along the circumference and is just opposite to the gap between the stator silicon steel (6) and the rotor silicon steel (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123237201.8U CN216751385U (en) | 2021-12-22 | 2021-12-22 | Air-cooled heat abstractor is used to electric automobile motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123237201.8U CN216751385U (en) | 2021-12-22 | 2021-12-22 | Air-cooled heat abstractor is used to electric automobile motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216751385U true CN216751385U (en) | 2022-06-14 |
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ID=81936339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123237201.8U Active CN216751385U (en) | 2021-12-22 | 2021-12-22 | Air-cooled heat abstractor is used to electric automobile motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216751385U (en) |
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2021
- 2021-12-22 CN CN202123237201.8U patent/CN216751385U/en active Active
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Effective date of registration: 20240218 Address after: 510th Baoneng Automobile Building, No. 128 Liyuan Road, Sunxi Community, Sungang Street, Luohu District, Shenzhen City, Guangdong Province, 518000 Patentee after: Shenzhen Kanghu new energy transportation development Co.,Ltd. Country or region after: China Address before: 430010 room 1103, Tianyuan business building, No. 357, Fazhan Avenue, Jiang'an District, Wuhan City, Hubei Province Patentee before: Yunying new energy technology (Hubei) Co.,Ltd. Country or region before: China |