Oil-cooled self-heating actuator motor

Abstract

The utility model relates to the technical field of vehicle-mounted motors. An oil-cooled self-heating actuator motor comprises an actuator motor composed of a motor shell, a stator and a rotor, one end of the motor shell is provided with a controller and a connector, the motor shell is provided with an oil inlet and an oil outlet, and the whole actuator motor is of an oil-cooled type; a spiral resistance wire is arranged on the inner wall of the motor shell, and a PCBA used for controlling heating of the spiral resistance wire is arranged in the controller. The oil-cooled self-heating actuator motor provided by the utility model has good cooling effect, can heat oil in the actuator motor according to ambient temperature, avoids the failure of the actuator motor caused by low temperature and high viscosity of the oil, and ensures the working efficiency and service life of the actuator motor. The technical problems that in the prior art, an existing actuator motor is single in structure, the viscosity of oil in the actuator motor is large under the extremely low temperature environment, the working efficiency of the actuator motor is affected, and higher use requirements cannot be met are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to vehicle-mounted motor technical field especially relates to an oil cooling type self -heating type actuator motor. BACKGROUND

[0002] With the development of economy, people's living standard gradually improves, and the car has become one of the public's preferred means of transportation. The automobile industry develops rapidly, and with the development of automobile performance towards more safe, more reliable, more stable, environmental protection and energy saving direction, in order to ensure the stable operation of automobile power assembly, it is necessary to equip perfect actuator, therefore, various actuators with motors are widely used in automobile power assembly, including hydraulic actuator, gear shifting actuator, brake booster and the like.

[0003] At present, a large number of actuators need motors to drive, especially clutch actuator and gear shifting actuator, which need motors to work stably and respond quickly in various harsh environments, therefore, in extreme environment, the stability of the motor determines the stability of the actuator.

[0004] The current actuator motor structure is relatively single, in some low temperature environment, the oil viscosity in the actuator motor cavity is large, which will cause the motor rotation to be blocked, so that the response time is long, and even invalid, which affects the working stability of the actuator motor, therefore, it is necessary to improve. UTILITY MODEL CONTENTS

[0005] The utility model provides a kind of oil cooling type self -heating type actuator motor with good cooling effect, oil in actuator motor can be heated according to ambient temperature, avoid actuator motor failure due to low temperature, large oil viscosity, ensure the working efficiency and working life of actuator motor;The technical problem that the current actuator motor structure is single in prior art, the oil viscosity in actuator motor is large in extremely low temperature environment, which affects the working efficiency of actuator motor, cannot meet higher use demand is solved.

[0006] The above technical problems of the utility model are solved by the following technical scheme: an oil cooling type self -heating type actuator motor, including the actuator motor composed of motor shell, stator and rotor, the controller and connector are equipped at one end of motor shell, oil inlet and oil outlet are formed in motor shell, and the whole actuator motor is oil cooling type;The inner wall of motor shell is provided with helical resistance wire, and the PCBA for controlling the heating of helical resistance wire is arranged in controller.When opening door or detecting vehicle start, PCBA detects temperature environment, if temperature is too low, immediately turn on circuit, controller heats resistance wire, and then heats oil in actuator motor cavity, reduces oil viscosity, drives smoothly, and closes heating when temperature reaches appropriate working temperature.

[0007] As preferred, the PCBA of the actuator motor is provided with a temperature sensor.

[0008] As preferred, the electric resistance wire is connected with the controller.

[0009] As preferred, the motor shell is a metal shell integrally machined and formed.

[0010] As preferred, the oil inlet and the oil outlet are arranged at the pair of fittings.

[0011] Therefore, the oil-cooled self-heating type actuator motor has the following advantages: the heat dissipation efficiency of the water pump itself and the internal structure can be effectively increased, the working efficiency and the working life of the water pump are ensured, and the sealing property, the strength and the heat dissipation property of the water pump are all good. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 is a perspective structural schematic view of the oil-cooled self-heating type actuator motor.

[0013] Figure 2 is Figure 1 a bottom view structural schematic view of the oil-cooled self-heating type actuator motor.

[0014] Figure 3 is Figure 1 a front view structural schematic view of the oil-cooled self-heating type actuator motor.

[0015] Figure 4 is Figure 1 an assembly structural schematic view of the electric resistance wire in the oil-cooled self-heating type actuator motor.

[0016] Figure 5 is Figure 1 a perspective structural schematic view of the motor shell in the oil-cooled self-heating type actuator motor.

[0017] In the figure, the executor motor 1, the motor shell 2, the oil inlet 3, the oil outlet 4, the resistance wire 5. DETAILED DESCRIPTION

[0018] The technical scheme of the utility model will be further specifically explained below by taking examples and in combination with the drawings.

[0019] Embodiment:

[0020] As Figure 1 and 2 As shown in 1, 2, 3, 4 and 5, an oil-cooled self-heating type executor motor comprises a motor shell 2, an executor motor 1 composed of a stator and a rotor, and the motor shell 2 is a metal shell integrally machined and formed.

[0021] A controller and a connector are mounted at the top end of the motor shell 2, and an oil inlet 3 and an oil outlet 4 are formed at the bottom end of the motor shell 2, and the oil inlet 3 and the oil outlet 4 are formed at the opposite parts.

[0022] A spiral resistance wire 5 is mounted on the inner wall of the motor shell 2, and the resistance wire 5 is connected with the controller; a PCBA for controlling the heating of the spiral resistance wire 5 is mounted in the controller, and a temperature sensor is mounted at the PCBA of the executor motor 1.

[0023] The oil inlet 3 and the oil outlet 4 of the executor motor 1 in the utility model are connected with the oil circuit of the opposite parts, and no additional oil channel is needed, so that the structure is compact and the heat dissipation efficiency is good; the whole executor motor 1 is oil-cooled, and the motor will not overheat in a high-temperature working environment, and the working efficiency and service life of the motor are effectively improved.

[0024] When the door is opened or the vehicle is started, the PCBA detects the temperature environment, and if the temperature is too low, the circuit is immediately turned on, the controller heats the resistance wire 5, and then the oil in the cavity of the executor motor 1 is heated, so that the viscosity of the oil is reduced, the driving is smooth, and when the temperature reaches the appropriate working temperature, the heating is turned off.

[0025] The specific embodiments described in the present document are only examples of the concept of the present application. Those skilled in the art of the present application can make various modifications or supplements to the described specific embodiments or replace them with similar ways, without deviating from the spirit of the present application or exceeding the scope defined by the appended claims.

Claims

1. An oil-cooled self-heating type actuator motor, characterized by: Including the executor motor composed of motor shell, stator and rotor, the motor shell is provided with controller and connector at one end, the oil inlet and oil outlet are arranged on the motor shell, and the whole executor motor is oil-cooled; The inner wall of the motor shell is provided with spiral resistance wire, and the controller is provided with PCBA for controlling the heating of the spiral resistance wire.

2. An oil-cooled self-heating actuator motor according to claim 1, characterized in that: The PCBA of the executor motor is provided with a temperature sensor.

3. An oil-cooled self-heating actuator motor according to claim 1, characterized in that: The resistance wire is connected with the controller.

4. An oil-cooled self-heating actuator motor according to claim 1, characterized in that: The motor shell is an integral metal shell machined and formed.

5. An oil-cooled self-heating actuator motor according to claim 1, characterized in that: The oil inlet and oil outlet are arranged at the opposite fittings.

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