Dual-rotor new energy automobile motor with composite transmission

Abstract

The invention relates to the technical field of motors, and discloses a dual-rotor new energy automobile motor with composite transmission. The dual-rotor new energy automobile motor comprises a casing. According to the dual-rotor new energy automobile motor with composite transmission, annular plates are movably connected in two sides of the casing, each annular plate is provided with through holes, an oil spraying pipe is fixedly mounted at one end of the inner side of the annular plate at the same time, the oil spraying pipe is provided with a nozzle at the inner side, the outer side of theannular plate is movably sleeved with an oil inlet through an inner groove, cooling oil is injected through the oil inlet, the oil enters the oil spraying pipe when the through hole formed in the annular plate rotates to coincide with the port of the oil inlet, the rotation of the oil spraying pipe enables the oil to be uniformly scattered into the motor, and the cooling oil is directly contactedwith a heating body for heat conduction. Meanwhile, the oil can be used for lubrication, so that the heat generation of the motor is indirectly reduced. In addition, the casing is internally providedwith a cooling tank which cooperates with the oil spraying pipe, so that the temperature of the motor is well reduced, and the service life of the motor is prolonged.

Description

technical field [0001] The invention relates to the technical field of motors, in particular to a dual-rotor new energy vehicle motor with compound transmission. Background technique [0002] With the continuous development of new energy vehicles, the requirements for motors are getting higher and higher. The mainstream motors of existing new energy vehicles mainly include DC motors, asynchronous motors, and permanent magnet motors. With the continuous updating of technologies, A dual-rotor motor is emerging in the field of new energy vehicles. The traditional motor has only one rotor and one stator, so there is only one mechanical port, but the dual-rotor motor has two mechanical shafts, which can realize the independent transmission of energy from the two mechanical shafts. Among them, the outer winding of the stator and the cup-shaped rotor in the middle constitutes the outer motor, which is an asynchronous motor, while the inner winding of the cup-shaped rotor acts as th...

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Problems solved by technology

[0003] Due to the high heat generation of the motor when it is working, and this double-rotor motor has two inner and outer rotors, and this motor has a compact structure and a small volume, so the heat generated in the motor is more difficult to dissipate, while the existing The heat dissipation of the motor is mostly fan cooling, but the fan cooling will not only increase the overall weight of the motor, but also due to the structure of the dual-rotor motor, it is difficult for the fan to extract the heat from it, so it is difficult to guarantee the heat dissipation efficiency of the motor. One heat dissipation method uses water cooling to dissipate heat, but due to the high insulation of the motor, water cooling can easily cause water leakage into the motor and cause a short circuit of the motor, thereby damaging the motor. At the same time, the heat of the inner rotor of the existing motor mainly passes through the air. The heat conduction dissipates to the outside, conducts to the stator through the outer rotor, and then dissipates the heat to the air through the shell. This heat dissipation method is extremely inefficient, making the working temperature of the motor always high, thus affecting the life of the motor.

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