Extended-range motor
A technology of extended program and motor body, applied in the direction of electrical components, electromechanical devices, electric components, etc., can solve problems such as motor overheating, safety accidents, motor damage, etc., and achieve the effect of avoiding overheating of the shell and improving heat exchange efficiency
Active Publication Date: 2022-04-05
YONGKANG HONGYUN AUTOELECTRIC CO LTD
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Problems solved by technology
[0004] The range extender generator can better transfer heat through the interference fit between the stator and the generator casing, and then quickly dissipate heat through the heat sink on the outer surface of the generator casing, but when the motor is overloaded or the power supply is unbalanced Sometimes it will lead to the instantaneous overheating of the motor, but the large amount of instantaneous heat cannot be discharged in time only through the heat sink, and the remaining heat will accumulate in the motor, causing damage to the motor, and in severe cases, it will cause a safety accident
Method used
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[0035] A kind of range-extended motor, refer to Figure 1 to Figure 4, including a housing 1, a motor body 2 disposed in the housing 1, and a heat dissipation structure disposed between the housing 1 and the motor body 2, the rapid heat dissipation of the motor body 2 is realized through the heat dissipation structure, and the motor body 2 is protected. The heat dissipation structure Including the cooling channel 3 formed hollow in the ring wall of the housing 1 for the circulation of the cooling medium, the housing 1 is respectively provided with an inlet 4 and an outlet 5 for the cooling medium to enter and exit the cooling channel 3, and the motor body 2 will work by itself The heat generated at the time is transferred to the housing 1, and the cooling medium enters and exits the cooling channel 3 to exchange heat with the housing 1. The cooling medium heats up while the housing 1 cools down. After cooling, the housing 1 exchanges heat with the motor body 2, realizing the mo...
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The invention relates to the technical field of motors, and discloses a range-extended motor, which comprises a shell, a motor body arranged in the shell and a heat dissipation structure arranged between the shell and the motor body, the cooling flow channel is formed in the annular wall of the shell in a hollow mode and allows a cooling medium to circulate, and the inlet and the outlet are formed in the shell and allow the cooling medium to enter and exit from the cooling flow channel. The pressure automatic adjusting structure is arranged at the outlet, and is used for controlling the pressure in the cooling flow channel to be increased when the temperature of the cooling medium is increased or controlling the pressure in the cooling flow channel to be reduced when the temperature of the cooling medium is reduced; the cooling structure is arranged between the cooling flow channel and the motor body and is used for reducing the temperature of the motor body; the on-off of the cooling structure is controlled by the increase or decrease of the pressure in the cooling flow channel, and the extended-range motor can quickly discharge a large amount of heat instantaneously generated by the motor while realizing continuous heat dissipation, thereby prolonging the service life of the motor and improving the use safety.
Description
technical field [0001] The invention relates to the technical field of motors, in particular to a range-extended motor. Background technique [0002] With the increasingly stringent environmental protection measures around the world, new energy vehicles have become a focus of vehicle research and development due to their energy-saving and low-emission characteristics, and have begun to be commercialized. In new energy vehicles, the battery is expensive and the cruising range is short. However, when the range-extended motor is running, it will generate a lot of heat. If the heat dissipation is not timely, it will affect the performance and service life of the motor. Therefore, the heat dissipation performance is good. Extended range motor. [0003] The Chinese patent with the application number CN201210113742.6 discloses a generator casing structure for an electric vehicle range extender, including a generator casing arranged in a ring shape, a stator installed inside the ge...
Claims
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IPC IPC(8): H02K5/20H02K9/19
CPCY02T10/64
Inventor 何万青汪寻张人峰向奕然
Owner YONGKANG HONGYUN AUTOELECTRIC CO LTD