用于车辆的驱动装置及车辆

Abstract

本公开提供了用于车辆的驱动装置及车辆。该驱动装置包括壳体，其由结合在一起的上部壳体和下部壳体构成，并分别限定上部腔室和下部腔室。电机和变速箱容纳于下部腔室中并传动连接。逆变器和控制器容纳于上部腔室中，逆变器与电机电连接，控制器与逆变器信号连接。高压电连接器和低压电连接器均设置在上部壳体上，高压电连接器与逆变器电连接，低压电连接器与控制器电连接和信号连接。本公开通过将电力电子器件与机械传动部件在壳体内上下分离布置，并将电气接口集中于上部壳体，有效降低了热干扰和油雾污染，提升了电磁兼容性，并简化了整车线束装配。

Claims

1. A drive device for a vehicle, characterized by comprising: include: A housing (100) comprising an upper housing (110) and a lower housing (120) joined together, the upper housing (110) defining an upper chamber internally, and the lower housing (120) defining a lower chamber internally; A motor (800) and a gearbox (720) are housed in the lower chamber, the gearbox (720) being drive-connected to the motor (800); An inverter (400) and a controller (500) are housed in the upper chamber, the inverter (400) being electrically connected to the motor (800) and the controller (500) being signal-connected to the inverter (400); as well as A high-voltage connector (210) and a low-voltage connector (220) are disposed on the upper housing (110). The high-voltage connector (210) is electrically connected to the inverter (400) and adapted to interface with the high-voltage wiring harness of the vehicle. The low-voltage connector (220) is electrically and signal connected to the controller (500) and adapted to interface with the low-voltage wiring harness of the vehicle.

2. The drive apparatus according to claim 1, characterized by The high-voltage connector (210) is a multi-pin connector and includes a high-voltage positive pin and a high-voltage negative pin, and the low-voltage connector (220) is a multi-pin connector and includes a low-voltage positive pin, a low-voltage negative pin and a signal pin.

3. Drive arrangement according to claim 1 or 2, characterized in that Also includes: A coolant inlet port (230) is provided on the upper housing (110), the coolant inlet port (230) being adapted to connect to the coolant supply line of the vehicle's cooling system; A coolant drain port (240) is provided on the lower housing (120), the coolant drain port (240) being adapted to connect with the coolant return line of the vehicle's cooling system; as well as A coolant line is arranged within the housing (100) and connected to the coolant inlet port (230) and the coolant outlet port (240), the coolant line being configured to deliver coolant through the inverter (400) and the controller (500) for liquid cooling of the inverter (400) and the controller (500).

4. The drive apparatus according to claim 3, characterized by It also includes hydraulic oil lines arranged in the lower chamber, the hydraulic oil lines being configured to deliver hydraulic oil through the motor (800) and the gearbox (720) for oil cooling and lubrication of the motor (800) and the gearbox (720).

5. The drive apparatus according to claim 4, characterized by It also includes a heat exchanger (250) mounted on the lower housing (120), the heat exchanger (250) internally defining a coolant side and a hydraulic oil side isolated from each other, the coolant side being connected to the coolant line and the hydraulic oil side being connected to the hydraulic oil line, so as to allow the coolant and hydraulic oil to exchange heat inside the heat exchanger (250).

6. The drive apparatus according to claim 5, characterized by The outlet on the coolant side of the heat exchanger (250) constitutes the coolant discharge port (240); and / or, the lower housing (120) is provided with a plurality of mounting positions suitable for mounting the heat exchanger (250).

7. The drive apparatus according to claim 1 or 2, characterized by The top and at least one of the multiple side surfaces of the upper housing (110) are provided with a plurality of first fixing joints (111), wherein each first fixing joint (111) is adapted to fix at least one of the high-voltage wiring harness, low-voltage wiring harness, coolant supply line and coolant return line of the vehicle; and / or, at least one of the multiple side surfaces of the lower housing (120) is provided with a plurality of second fixing joints (121), wherein each second fixing joint (121) is adapted to fix at least one of the high-voltage wiring harness, low-voltage wiring harness, coolant supply line and coolant return line of the vehicle.

8. The drive apparatus according to claim 1 or 2, characterized by The upper housing (110) is configured to have a stiffness greater than that of the lower housing (120); and / or, the upper housing (110) is provided with an upper suspension joint (112) and a positioning joint (113), and the lower housing (120) is provided with a lower suspension joint (123), the upper suspension joint (112) and the lower suspension joint (123) being adapted to engage with a mounting bracket of the vehicle to secure the drive unit to the mounting bracket, and the positioning joint (113) being configured to position the drive unit during the securing of the drive unit.

9. The drive apparatus according to claim 1 or 2, characterized by Also includes: A power input port (610) suitable for connection with the internal combustion engine drive of the vehicle. A power output port (620) suitable for connection with the wheel drive of the vehicle. A first clutch (910) is configured to drively connect and drively decouple the power input port (610) from the motor (800). as well as A second clutch (920) is configured to drively connect and drive-decouple the power output port (620) from the motor (800).

10. The drive apparatus according to claim 9, characterized by The first clutch (910) is a wet clutch, the second clutch (920) is an electromagnetic clutch, and the drive unit also includes a first oil pump (310) and a second oil pump (320) mounted on the lower housing (120). The first oil pump (310) is configured to drive hydraulic oil to cool and lubricate the motor (800), the gearbox (720) and the first clutch (910), and the second oil pump (320) is configured to provide the engagement oil pressure of the first clutch (910).

11. The drive apparatus according to claim 9, characterized by It also includes a differential (710) housed in the lower chamber, the gearbox (720) including an input gear (721) meshing with the shaft gear of the motor (800) and an output gear (723) meshing with the housing gear of the differential (710), a first clutch (910) being arranged between the power input port (610) and the input gear (721), a second clutch (920) being arranged between the input gear (721) and the output gear (723), and the power output port (620) being formed by the output end of the differential (710).

12. The drive apparatus according to claim 1 or 2, characterized by Both the high-voltage connector (210) and the low-voltage connector (220) are mounted on the side surface of the upper housing (110) that is intended to face the front or rear of the vehicle.

13. The drive apparatus according to claim 12, characterized by The upper housing (110) has a plurality of mounting positions suitable for mounting the high voltage connector (210) and / or a plurality of mounting positions suitable for mounting the low voltage connector (220) on the side surface intended to face the front or rear of the vehicle.

14. A vehicle characterized by comprising: include: The drive device according to any one of claims 1-13; The battery pack (21) is electrically connected to the high-voltage electrical connector (210) of the drive unit via a high-voltage wiring harness; as well as An internal combustion engine (24), said internal combustion engine (24) being adapted to be drive-connected to and drive-decoupled from the motor (800) of the drive unit, The motor (800) has a generator mode that converts mechanical energy from the internal combustion engine (24) into electrical energy supplied to the battery pack (21) and an electric motor mode that converts electrical energy from the battery pack (21) into mechanical energy supplied to the wheels of the vehicle.

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