Oil cooling driving motor and automobile

A technology for driving motors and oil cooling, which is applied in the directions of electromechanical devices, electrical components, and electric components, etc., can solve the problem of unbalanced heat dissipation of motors, and achieve the effect of improving temperature field distribution, improving output capacity, and uniform temperature field distribution.

Active Publication Date: 2021-11-12
SAIC MOTOR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to solve the problem of unbalanced heat dissipation of motors in the prior art

Method used

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  • Oil cooling driving motor and automobile
  • Oil cooling driving motor and automobile
  • Oil cooling driving motor and automobile

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0054] The present invention provides an oil-cooled drive motor, such as figure 1 As shown, it includes a housing 100, a stator core 200, a stator winding coil 300, and a rotor core 400 arranged sequentially from outside to inside, and a gap is formed between the inner wall surface of the stator winding coil 300 and the outer wall surface of the rotor core 400, And the two ends of the stator core 200 are respectively close to the two ends of the stator winding coil 300 , the two ends of the rotor core 400 are respectively close to the two ends of the stator winding coil 300 , and the oil-cooled drive motor also includes an oil cooling system 500 .

[0055] The oil-cooled drive motor also includes at least one stator separator 210 and at least one rotor separator 310; at least one stator separator 210 divides the stator core 200 into at least two sections of the stator core 200 along the axial direction of the stator core 200, and A stator separator 210 is fixed between any two...

Embodiment 2

[0083] The present invention also provides an automobile, including the oil-cooled drive motor provided in Embodiment 1.

[0084] By adopting the above solution, the temperature field distribution of the motor used in the automobile is more uniform, thereby improving the output capability of the motor.

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Abstract

The invention provides an oil cooling driving motor and an automobile, the oil cooling driving motor comprises a shell, a stator core, a stator winding coil and a rotor core which are sequentially arranged from outside to inside, and the oil cooling driving motor further comprises an oil cooling system, at least one stator partition plate and at least one rotor partition plate; the stator partition plate divides the stator core into at least two sections along the axial direction and forms a stator cooling gap; the rotor partition plates divide the rotor core into at least two sections along the axial direction, and the rotor partition plates and the stator partition plates are arranged in one-to-one correspondence; the oil cooling system comprises an oil inlet, a cooling oil cavity, a cooling loop, a motor cavity and an oil outlet; the cooling loop comprises an end cooling loop and a middle cooling loop which are used for cooling the two ends of the stator winding coil, the two ends of the stator iron core and the two ends of the rotor iron core respectively and cooling the middle of the stator winding coil and the middle of the stator iron core respectively. According to the motor provided by the invention, the temperature field distribution of the driving motor is improved, so that the output capability of the motor is improved.

Description

technical field [0001] The invention relates to the field of motor manufacturing, in particular to an oil-cooled drive motor and an automobile including the oil-cooled drive motor. Background technique [0002] The driving motor used in new energy vehicles has high power density and high torque density performance requirements. How to strengthen the cooling and heat dissipation of the motor to improve the output capacity of the motor is an important research field. At present, the cooling of vehicle drive motors is developing from water cooling of the motor housing to oil spray cooling inside the motor, especially for high-power and high-speed drive motors, oil cooling is generally used. [0003] Existing oil injection cooling motors are usually only cooled by oil injection at the ends of the stator winding coils and the outer surface of the stator core (or an equivalent fixed casing). In this cooling method, the end winding of the motor directly contacts the cooling medium...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K9/19H02K5/20H02K1/20H02K1/32
CPCH02K9/19H02K5/20H02K1/20H02K1/32Y02T10/64
Inventor 闵远亮何伟黄少锐王健
Owner SAIC MOTOR
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