CN205092731U - Driving motor and have its vehicle - Google Patents
Driving motor and have its vehicle Download PDFInfo
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- CN205092731U CN205092731U CN201520794963.3U CN201520794963U CN205092731U CN 205092731 U CN205092731 U CN 205092731U CN 201520794963 U CN201520794963 U CN 201520794963U CN 205092731 U CN205092731 U CN 205092731U
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Abstract
The utility model provides a driving motor and have its vehicle, this driving motor include rotor core and encircle the stator core that rotor core set up, and driving motor is still including the gas circulation passageway and the gas drive piece of setting in the gas circulation passageway that pass rotor core and stator core, and gas drive piece driving gas is at gas circulation passageway circulation flow. The utility model provides a driving motor has solved the relatively poor problem of heat -sinking capability of the motor among the prior art.
Description
Technical field
The utility model relates to vehicular field, in particular to a kind of drive motors and the vehicle with it.
Background technology
Along with electric automobile development with reach its maturity, the requirement of electric automobile to drive motors is also more and more higher.At present, permagnetic synchronous motor, with the advantage of its high efficiency and high-energy-density, becomes the first-selection of driving motor for electric automobile.Because automobile drive electric motor often needs to provide very high power and torque density, so it is serious to cause that the motor feels hot.
At present, most driving motor for electric automobile adopts stator casing water-cooling structure, utilizes the heat transfer of iron core to cool to the stator of motor; Also there is part motor to adopt forced air cooling structure, utilize the convection current of air to cool motor.
Driving motor for electric automobile common demands has high power density and high torque density, and it is serious that this can cause that the motor feels hot, and in order to increase the heat-sinking capability of motor, the method that prior art adopts mainly contains following several:
(1) casing water-cooling structure:
Adopt this kind of structure, stator casing is divided into internal layer and skin, is provided with water route between ectonexine, and water route is divided into two kinds usually, and one is S type water route, and one is circulating type water route.Adopt this kind of type of cooling, because stator and casing fit tightly, so fine to stator radiating effect.
But owing to there is air gap before stators and rotators, the air now in air gap is equivalent to a thermal insulation layer, and the heat in rotor can only be conducted towards periphery by thermal-radiating mode, causes heat in rotor likely to gather.And as the magnet steel of magneto core material, be contained in just on rotor, along with the rising of temperature of rotor, the performance of magnet steel can decline, and when temperature exceedes certain limit, magnet steel just can lose efficacy, thus causes whole motor damage.
(2) forced air cooling structure:
Adopt this kind of type of cooling, motor must adopt open type, and namely motor internal and outside motor will have the circulation of air, makes the degree of protection of motor greatly reduce like this, all can not meet the demands under a lot of occasion.In addition, adopt air cooling way, the heat radiation of electric machine iron core is carry out heat exchange by thermal radiation and ambient air completely, and radiating efficiency is limited, can limiting motor rated operation point and maximum functional point.
Utility model content
Main purpose of the present utility model is the vehicle providing a kind of drive motors and have it, with the problem that the heat-sinking capability solving motor of the prior art is poor.
To achieve these goals, according to an aspect of the present utility model, provide a kind of drive motors, comprise the stator core of rotor core and the setting of surrounding rotor iron core, drive motors also comprises gas circulation channel through rotor core and stator core and the gas-powered part that is arranged in gas circulation channel, and gas-powered part driving gas circulates in gas circulation channel.
Further, gas circulation channel comprises the first ventilation hole be opened on rotor core and the second ventilation hole be opened on stator core, the first end along its axial direction of the through rotor core of the first ventilation hole and the second end, the first end along its axial direction of the through stator core of the second ventilation hole and the second end.
Further, rotor core comprises the first rotor portion and the second rotor portions that arrange along its axially spaced-apart, stator core comprises the first stator department and the second stator department that arrange along its axially spaced-apart, and gas circulation channel also comprises the first communication gap between the first rotor portion and the second rotor portions and the second communication gap between the first stator department and the second stator department; Wherein, the first communication gap is interconnected with the second communication gap and is communicated with the first ventilation hole and the second ventilation hole.
Further, gas-powered part is arranged in the first communication gap and/or the second communication gap, and the gas flow in the first ventilation hole is entered in the second ventilation hole after the first communication gap and the second communication gap.
Further, gas-powered part is arranged in the first communication gap, gas-powered part comprises the multiple wind-guiding dividing plates connecting the first rotor portion and the second rotor portions, and multiple wind-guiding dividing plate is arranged at intervals along the circumference of rotor core, forms wind-guiding gap between two adjacent wind-guiding dividing plates.
Further, wind-guiding dividing plate extends along the radial direction of rotor core.
Further, drive motors also comprises air baffle ring, and air baffle ring is arranged on the edge, periphery of the second communication gap.
Further, drive motors also comprises front end housing and the rear end cap of casing and shutoff casing, and rotor core and stator core are all arranged in casing; Gas circulation channel also comprises and is formed in casing, front end housing, the first gas held chamber between rotor core and stator core, and is formed in casing, rear end cap, the second gas held chamber between rotor core and stator core.
Further, drive motors also comprises the casing holding rotor core and stator core, is provided with cooling water path in the shell wall of casing.
According to another aspect of the present utility model, provide a kind of vehicle, comprise drive motors, drive motors is above-mentioned drive motors.
The stator core that drive motors in the utility model comprises rotor core and arranges around this rotor core, because drive motors comprises the gas circulation channel through rotor core and stator core, and be provided with gas-powered part in this gas circulation channel, like this, gas-powered part just can flow by the gas in driving gas circulation canal in gas circulation channel, gas flows through rotor core and stator core in gas circulation channel, and then can cool rotor core and stator core to degree significantly under the effect of air-flow, improve the heat-sinking capability of motor.
Drive motors structure in the utility model is simple, easy to operate, improve the cooling effect to rotor core and stator core, solve the problem that the heat-sinking capability of motor of the prior art is poor, reduce the temperature rise of motor significantly, thus improve the rated operation point of motor, improve the steady operation efficiency of motor, ensure that the reliability service of motor.
Accompanying drawing explanation
The Figure of description forming a application's part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 shows the structural representation of the embodiment according to drive motors of the present utility model;
Fig. 2 shows the structural representation of the rotor core in Fig. 1;
Fig. 3 shows the structural representation of the stator core in Fig. 1;
Fig. 4 shows the structural representation that wind-guiding dividing plate in Fig. 1 and the first rotor end plate and the second rotor end plates are connected; And
Fig. 5 shows the structural representation that wind-guiding dividing plate in Fig. 4 and the first rotor end plate are connected.
Wherein, above-mentioned accompanying drawing comprises the following drawings mark:
10, rotor core; 11, the first ventilation hole; 12, the first rotor portion; 13, the second rotor portions; 14, the first communication gap; 15, the first rotor end plate; 16, the second rotor end plates; 20, stator core; 21, the second ventilation hole; 22, the first stator department; 23, the second stator department; 24, the second communication gap; 25, the first stator end plate; 26, the second stator end plate; 30, wind-guiding dividing plate; 31, wind-guiding gap; 40, air baffle ring; 50, casing; 51, cooling water path; 60, front end housing; 70, rear end cap; 81, the first gas held chamber; 82, the second gas held chamber; 90, rotating shaft.
Embodiment
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the utility model in detail in conjunction with the embodiments.
Present embodiments provide a kind of drive motors, please refer to Fig. 1 to Fig. 5, this drive motors comprises the stator core 20 of rotor core 10 and surrounding rotor iron core 10 setting, drive motors also comprises through the gas circulation channel on rotor core 10 and stator core 20 and the gas-powered part that is arranged in gas circulation channel, and gas-powered part driving gas circulates in gas circulation channel.
The stator core 20 that drive motors in the present embodiment comprises rotor core 10 and arranges around this rotor core 10, because drive motors comprises the gas circulation channel through rotor core 10 and stator core 20, and be provided with gas-powered part in this gas circulation channel, like this, gas-powered part just can flow by the gas in driving gas circulation canal in gas circulation channel, gas flows through rotor core 10 and stator core 20 in gas circulation channel, and then can cool rotor core 10 and stator core 20 to degree significantly under the effect of air-flow, improve the heat-sinking capability of motor.
Drive motors structure in the present embodiment is simple, easy to operate, improve the cooling effect to rotor core 10 and stator core 20, solve the problem that the heat-sinking capability of motor of the prior art is poor, reduce the temperature rise of motor significantly, thus improve the rated operation point of motor, improve the steady operation efficiency of motor, ensure that the reliability service of motor.
In the present embodiment, as shown in Figure 1 to Figure 3, gas circulation channel comprises the first ventilation hole 11 be opened on rotor core 10 and the second ventilation hole 21 be opened on stator core 20, the first end along its axial direction of the through rotor core 10 of the first ventilation hole 11 and the second end, the first end along its axial direction of the through stator core 20 of the second ventilation hole 21 and the second end.
Due to rotor core 10 and stator core 20 being provided with ventilation hole, like this, just the gas circulation channel through rotor core 10 and stator core 20 can be formed in drive motors, gas flows through rotor core 10 and stator core 20 in gas circulation channel, and then can cool rotor core 10 and stator core 20 largely, improve the heat-sinking capability of motor.
In addition, due to the first end along its axial direction and second end of the through rotor core 10 of the first ventilation hole 11, the first end along its axial direction of the through stator core 20 of the second ventilation hole 21 and the second end, like this, gas circulation channel can be made to run through rotor core 10 and stator core 20 largely, and then can cool rotor core 10 and stator core 20 largely.
Preferably, the first ventilation hole 11 extends along the axis of rotor core 10, and the second ventilation hole 21 extends along the axis of stator core 20.Like this, the cooling to rotor core 10 and stator core 20 is conducive to.
In the present embodiment, rotor core 10 comprises the first rotor portion 12 and the second rotor portions 13 that arrange along its axially spaced-apart, stator core 20 comprises the first stator department 22 and the second stator department 23 arranged along its axially spaced-apart, and gas circulation channel also comprises the first communication gap 14 between the first rotor portion 12 and the second rotor portions 13 and the second communication gap 24 between the first stator department 22 and the second stator department 23; Wherein, the first communication gap 14 is interconnected with the second communication gap 24 and is communicated with the first ventilation hole 11 and the second ventilation hole 21.
The present embodiment comprises the first rotor portion 12 and the second rotor portions 13 by making rotor core 10, stator core 20 is made to comprise the first stator department 22 and the second stator department 23, rotor core 10 and stator core 20 can be made to be divided into two sections, and then form the first communication gap 14 and the second communication gap 24, gas is flow through from this first communication gap 14 and the second communication gap 24, cooling effect can be improved further.
In the present embodiment, gas-powered part is arranged in the first communication gap 14 and/or the second communication gap 24, and the gas flow in the first ventilation hole 11 is entered in the second ventilation hole 21 after the first communication gap 14 and the second communication gap 24.Like this, the flowing of gas in gas circulation channel can be ensured, improve the cooling effect to rotor core 10 and stator core 20 largely.
In the present embodiment, as shown in Figure 4 and Figure 5, gas-powered part is arranged in the first communication gap 14, gas-powered part comprises the multiple wind-guiding dividing plates 30 connecting the first rotor portion 12 and the second rotor portions 13, multiple wind-guiding dividing plate 30 is arranged at intervals along the circumference of rotor core 10, forms wind-guiding gap 31 between two adjacent wind-guiding dividing plates 30.
Rotor core 10 in the present embodiment is mounted in the rotating shaft 90 of this drive motors, namely the first rotor portion 12 and the second rotor portions 13 are rotated with rotating shaft 90, because one end of wind-guiding dividing plate 30 is connected with the first rotor portion 12, the other end of wind-guiding dividing plate 30 is connected with the second rotor portions 13, so wind-guiding dividing plate 30 can rotate with rotor core 10, and then drive the air current flow in the first communication gap 14, play the effect of air-breathing, ensure the airflow circulating flowing in gas circulation channel.
In the present embodiment, wind-guiding dividing plate 30 extends along the radial direction of rotor core 10.Like this, be conducive to improving the driving to air-flow.
In the present embodiment, rotor core 10 also comprises the first rotor end plate 15 and the second rotor end plates 16, the first rotor end plate 15 is arranged on the end near the second rotor portions 13 in the first rotor portion 12, and the second rotor end plates 16 is arranged on the end in the close the first rotor portion 12 of the second rotor portions 13; Wherein, one end of wind-guiding dividing plate 30 is connected with the first rotor end plate 15, and the other end of wind-guiding dividing plate 30 is connected with the second rotor end plates 16.
Motor is when High Rotation Speed, wind-guiding dividing plate 30 can be subject to very large centrifugal force, throw away to prevent wind-guiding dividing plate 30, wind-guiding dividing plate 30 needs do a projection, the relevant position of the first rotor end plate 15 and the second rotor end plates 16 all needs to do a groove, projection on wind-guiding dividing plate 30 being inserted in the groove of corresponding rotor end plates, and then weld, just can ensureing that motor wind-guiding dividing plate 30 when telling operation is not thrown out of.
In the present embodiment, the end face of the end face of the one end near the second rotor portions 13 in the first rotor portion 12 and one end near the second stator department 23 of the first stator department 22 is positioned at same plane, and the end face of the end face of the one end in the close the first rotor portion 12 of the second rotor portions 13 and one end near the first stator department 22 of the second stator department 23 is positioned at same plane.Like this, the air-flow in the first communication gap 14 can be farthest made to flow in the second communication gap 24.
In the present embodiment, drive motors also comprises air baffle ring 40, and air baffle ring 40 is arranged on the edge, periphery of the second communication gap 24.The present embodiment, can the edge, periphery of shutoff second communication gap 24 by arranging air baffle ring 40, and then in gap between the casing 50 preventing gas from flowing to stator core 20 and drive motors.
In the present embodiment, stator core 20 also comprises the first stator end plate 25 and the second stator end plate 26, first stator end plate 25 is arranged on the end near the second stator department 23 of the first stator department 22, and the second stator end plate 26 is arranged on one end near the first stator department 22 of the second stator department 23; Wherein, one end of air baffle ring 40 is connected with the first stator end plate 25, and the other end of air baffle ring 40 is connected with the second stator end plate 26.Like this, the sealing of air baffle ring 40 to the second communication gap 24 can be ensured.
In the present embodiment, drive motors also comprises front end housing 60 and the rear end cap 70 of casing 50 and shutoff casing 50, and rotor core 10 and stator core 20 are all arranged in casing 50; Gas circulation channel also comprises and is formed in casing 50, front end housing 60, the first gas held chamber 81 between rotor core 10 and stator core 20, and is formed in casing 50, rear end cap 70, the second gas held chamber 82 between rotor core 10 and stator core 20.
The operation principle of the drive motors in the present embodiment is: wind-guiding dividing plate 30 rotates under the drive of rotor core 10, produce getter action, gas in first gas held chamber 81 and the second gas held chamber 82 is flow to the first communication gap 14 through the first ventilation hole 11, behind the wind-guiding gap 31 between this wind-guiding dividing plate 30, enter in the second communication gap 24, after the second communication gap 24, flow to the first gas held chamber 81 and the second gas held chamber 82 through the second communication gap 24 again, and then realize whole gas circulation.
In the present embodiment, utilize gas circulation channel to form the pattern of Air flow circulation, this Air flow cycles through and mainly cools the rotor of motor and the winding of stator end.After motor is started working, rotor starts to rotate, between two-stage rotor iron core, the rotor dividing plate (wind-guiding dividing plate 30) of (between the first rotor portion 12 and the second rotor portions 13) is now equivalent to the effect of a fan, and the rotating speed of automobile drive electric motor is all higher, rated speed is generally at about 4000rpm, and peak speed can reach 12000rpm.
Therefore, rotated can be produced very large negative pressure in the first communication gap 14 by rotor dividing plate, by the first ventilation hole 11, air in first gas held chamber 81 and the second gas held chamber 82 is drawn in the first communication gap 14 continually, through the fan formed by dividing plate, flow into the second communication gap 24, then get back to the first gas held chamber 81 and the second gas held chamber 82 forms air circulation loop through the second ventilation hole 21.
The air of circulation is when flowing through the inner surface of the internal face of each ventilation hole, the inner surface of casing 50 and forward and backward end cap, carry out heat exchange respectively cooled with the inwall of each ventilation hole, the inwall of casing, the inwall of end cap, ensure Cryogenic air endlessly to circulate at motor internal, and then realize the cooling to the stators and rotators of motor.
In the present embodiment, the internal face of front end housing 60 and the internal face of rear end cap 70 are provided with heat absorption muscle, the outside wall surface of front end housing 60 and the outside wall surface of rear end cap 70 are provided with radiating ribs.
The inner surface of the forward and backward end cap of the drive motors in the present embodiment is provided with heat absorption muscle, for strengthening the heat exchange of inner air and end cap, inner air heat is passed to end cap; The outer surface of the forward and backward end cap of motor is provided with radiating ribs, for end cap temperature and extraneous air are carried out heat exchange, the temperature on end cap is left.
In the present embodiment, drive motors also comprises the casing 50 holding rotor core 10 and stator core 20, is provided with cooling water path 51 in the shell wall of casing 50.The present embodiment, by arranging cooling water path 51, can strengthen the cooling effect to drive motors.
Water-cooling circulating is mainly cooled the stator core of motor and stator core inner straight portion winding by heat transfer.Stator core outer surface and casing inner surface need tightly be fitted, and before iron core proceeds to casing, are coated with one deck heat-conducting silicone grease to strengthen heat transfer at stator core outer surface.
After the water flowing of water route, heat is passed to stator core by the straight line portion winding in stator core, and heat is passed to casing by outer surface by stator core, and the liquid of casing directly and in water channel carries out heat exchange, and in water channel, liquid and outer tank form loop and cool.By this cyclic process, can realize cooling the winding of straightway in motor stator portion and stator core.
The utility model additionally provides a kind of vehicle, comprises drive motors, and drive motors is above-mentioned drive motors.
Drive motors in the application is a kind of driving motor for electric automobile adopting air water cooling but structure, and design principle is ripe, and manufacturing process is simple, can improve the heat radiation of motor internal well.
Different with rotor punching from the stator punching of conventional driving motor for electric automobile, drive motors in the present embodiment adopts on the stator yoke of the magneto of air water cooling structure and rotor yoke to be needed to open air holes, and the air circulated to enable motor internal forms loop.Whole motor internal in the present embodiment has two cool cycles: Water-cooling circulating and Air flow circulation.
The application is by changing the cooling structure of motor internal, design two cooling circuits, the stator core of motor, stator winding and rotor core are cooled simultaneously, greatly improve cooling effect, thus significantly reduce electric machine temperature rise, improve the rated operation point of motor, improve the steady operation efficiency of motor, improve the energy density of motor, improve the operational reliability of motor.
As can be seen from the above description, the utility model the above embodiments achieve following technique effect:
Drive motors structure in the present embodiment is simple, easy to operate, improve the cooling effect to rotor core 10 and stator core 20, solve the problem that the heat-sinking capability of motor of the prior art is poor, reduce the temperature rise of motor significantly, thus improve the rated operation point of motor, improve the steady operation efficiency of motor, ensure that the reliability service of motor.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (10)
1. a drive motors, the stator core (20) comprising rotor core (10) and arrange around described rotor core (10), it is characterized in that, described drive motors also comprises gas circulation channel through described rotor core (10) and described stator core (20) and the gas-powered part that is arranged in described gas circulation channel, and described gas-powered part driving gas circulates in described gas circulation channel.
2. drive motors according to claim 1, it is characterized in that, described gas circulation channel comprises the first ventilation hole (11) be opened on described rotor core (10) and the second ventilation hole (21) be opened on described stator core (20), the first end along its axial direction of the through described rotor core (10) of described first ventilation hole (11) and the second end, the first end along its axial direction of the through described stator core (20) of described second ventilation hole (21) and the second end.
3. drive motors according to claim 2, it is characterized in that, described rotor core (10) comprises the first rotor portion (12) and the second rotor portions (13) that arrange along its axially spaced-apart, described stator core (20) comprises the first stator department (22) and the second stator department (23) that arrange along its axially spaced-apart, described gas circulation channel also comprises the first communication gap (14) be positioned between described the first rotor portion (12) and described second rotor portions (13) and the second communication gap (24) be positioned between described first stator department (22) and described second stator department (23), wherein, described first communication gap (14) is interconnected with described second communication gap (24) and is communicated with described first ventilation hole (11) and described second ventilation hole (21).
4. drive motors according to claim 3, it is characterized in that, described gas-powered part is arranged in described first communication gap (14) and/or described second communication gap (24), and the gas flow in described first ventilation hole (11) is entered in described second ventilation hole (21) after described first communication gap (14) and described second communication gap (24).
5. drive motors according to claim 3, it is characterized in that, gas-powered part is arranged in described first communication gap (14), described gas-powered part comprises the multiple wind-guiding dividing plates (30) connecting described the first rotor portion (12) and described second rotor portions (13), described multiple wind-guiding dividing plate (30) is arranged at intervals along the circumference of described rotor core (10), forms wind-guiding gap (31) between adjacent two described wind-guiding dividing plates (30).
6. drive motors according to claim 5, is characterized in that, described wind-guiding dividing plate (30) extends along the radial direction of described rotor core (10).
7. drive motors according to claim 3, is characterized in that, described drive motors also comprises air baffle ring (40), and described air baffle ring (40) is arranged on the edge, periphery of described second communication gap (24).
8. drive motors according to claim 1, it is characterized in that, described drive motors also comprises front end housing (60) and the rear end cap (70) of casing (50) described in casing (50) and shutoff, and described rotor core (10) and described stator core (20) are all arranged in described casing (50); Described gas circulation channel also comprises and is formed in described casing (50), described front end housing (60), the first gas held chamber (81) between described rotor core (10) and described stator core (20), and is formed in described casing (50), described rear end cap (70), the second gas held chamber (82) between described rotor core (10) and described stator core (20).
9. drive motors according to claim 1, it is characterized in that, described drive motors also comprises the casing (50) holding described rotor core (10) and described stator core (20), is provided with cooling water path (51) in the shell wall of described casing (50).
10. a vehicle, comprises drive motors, it is characterized in that, the drive motors of described drive motors according to any one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520794963.3U CN205092731U (en) | 2015-10-14 | 2015-10-14 | Driving motor and have its vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520794963.3U CN205092731U (en) | 2015-10-14 | 2015-10-14 | Driving motor and have its vehicle |
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| CN205092731U true CN205092731U (en) | 2016-03-16 |
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| CN201520794963.3U Active CN205092731U (en) | 2015-10-14 | 2015-10-14 | Driving motor and have its vehicle |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108429403A (en) * | 2018-05-21 | 2018-08-21 | 广东上水能源科技有限公司 | A kind of motor based on coolant liquid is from driving cooling structure |
| CN108711964A (en) * | 2018-06-13 | 2018-10-26 | 哈尔滨理工大学 | A kind of permanent magnet motor with built-in multistage fan formula two-way self-loopa ventilation cooling system |
| CN109698572A (en) * | 2017-10-20 | 2019-04-30 | 比亚迪股份有限公司 | Driving motor and vehicle with it |
| CN112564340A (en) * | 2020-12-01 | 2021-03-26 | 湖南崇德科技股份有限公司 | Air-water cooling high-speed motor structure with middle ventilation |
| CN114665684A (en) * | 2022-05-24 | 2022-06-24 | 佛山登奇机电技术有限公司 | Direct-drive permanent magnet motor |
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2015
- 2015-10-14 CN CN201520794963.3U patent/CN205092731U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109698572A (en) * | 2017-10-20 | 2019-04-30 | 比亚迪股份有限公司 | Driving motor and vehicle with it |
| CN108429403A (en) * | 2018-05-21 | 2018-08-21 | 广东上水能源科技有限公司 | A kind of motor based on coolant liquid is from driving cooling structure |
| CN108429403B (en) * | 2018-05-21 | 2024-05-28 | 广州亿智环保科技有限公司 | Motor self-driven cooling structure based on cooling liquid |
| CN108711964A (en) * | 2018-06-13 | 2018-10-26 | 哈尔滨理工大学 | A kind of permanent magnet motor with built-in multistage fan formula two-way self-loopa ventilation cooling system |
| CN108711964B (en) * | 2018-06-13 | 2020-02-14 | 哈尔滨理工大学 | Permanent magnet motor with built-in multistage fan type double-path self-circulation ventilation cooling system |
| CN112564340A (en) * | 2020-12-01 | 2021-03-26 | 湖南崇德科技股份有限公司 | Air-water cooling high-speed motor structure with middle ventilation |
| CN114665684A (en) * | 2022-05-24 | 2022-06-24 | 佛山登奇机电技术有限公司 | Direct-drive permanent magnet motor |
| CN114665684B (en) * | 2022-05-24 | 2022-08-12 | 佛山登奇机电技术有限公司 | Direct-drive permanent magnet motor |
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