CN-122008911-A - Driven wheel power recovery system and car

Abstract

The invention provides a driven wheel power recovery system and an automobile, wherein the driven wheel power recovery system comprises a hub shaft, a hub is rotationally connected to the hub shaft, a magnet assembly comprises a first magnetic pole and a second magnetic pole which are fixedly connected and are spaced, the first magnetic pole and the second magnetic pole are opposite to each other on one side with opposite polarities, an inductance coil assembly is arranged between the first magnetic pole and the second magnetic pole at intervals, the inductance coil assembly is rotationally connected to the hub shaft, the hub, the first magnetic pole, the second magnetic pole and the inductance coil assembly take the hub shaft as a rotation axis, a variable speed transmission assembly is provided with a transmission output end and a transmission input end, the transmission input end is connected to the hub, the rotation speed output by the transmission output end is different from the rotation speed input by the transmission input end, the first magnetic pole is fixedly connected to the hub, the transmission output end is connected to the inductance coil assembly, or the inductance coil assembly is fixedly connected to the hub, and the transmission output end is connected to the first magnetic pole. The driven wheel power recovery system generates induced current and realizes kinetic energy recovery.

Inventors

• DU JUNHUA
• XIAO MIN
• DENG WEIMIN
• WANG WEI
• HUANG HONGYAN
• LV GUOJUN
• ZHONG YANGUANG
• ZHANG QIAN
• NIE ZHAOGANG
• Xiong Limai
• Qin Xiongwu
• ZHOU SHIBIN
• Pan Shunhai

Assignees

• 中盾(广东)经济技术合作有限公司

Dates

Publication Date

20260512

Application Date

20260313

Claims (10)

1. 1. A driven wheel power recovery system, comprising: A hub axle; A hub rotatably connected to the hub axle; The magnet assembly comprises a first magnetic pole and a second magnetic pole which are fixedly connected, the first magnetic pole and the second magnetic pole are arranged at intervals along the axial direction of the hub shaft, and the first magnetic pole and the second magnetic pole are opposite at one side with opposite polarities; The inductance coil component is arranged between the first magnetic pole and the second magnetic pole, is respectively arranged at intervals with the first magnetic pole and the second magnetic pole, is rotationally connected to the hub shaft, and takes the hub shaft as a rotation axis; The variable speed transmission assembly is provided with a transmission output end and a transmission input end, the transmission input end is connected with the hub, and the rotation speed output by the transmission output end is different from the rotation speed input by the transmission input end; The first magnetic pole is fixedly connected with the hub, the transmission output end is connected with the inductance coil component, or The inductance coil component is fixedly connected to the hub, and the transmission output end is connected to the first magnetic pole.
2. 2. The driven wheel power recovery system of claim 1, wherein the direction of rotation of the output of the drive output is opposite to the direction of rotation of the input of the drive input.
3. 3. The driven wheel power recovery system of claim 2, wherein the rotational speed output by the drive output is greater than the rotational speed input by the drive input.
4. 4. The driven wheel power recovery system of claim 3, wherein the drive input comprises a ring gear, the drive output comprises a sun gear, and the variable speed drive assembly further comprises: the planetary gear bracket is fixedly connected with the hub shaft; the planetary gear is rotatably connected with the planetary gear support, and the gear ring is in driving connection with the sun gear through the planetary gear.
5. 5. The driven wheel power recovery system according to any one of claims 1-4, further comprising a flexible coupling; the first magnetic pole is fixedly connected with the hub, the transmission output end is connected with the inductance coil component through the flexible coupling, or The inductance coil assembly is fixedly connected to the hub, and the transmission output end is connected to the first magnetic pole through the flexible coupling.
6. 6. The driven wheel power recovery system according to any one of claims 1-4, further comprising a current delivery assembly including: The conductive connector is electrically connected with the inductance coil assembly; And one end of the power transmission line is connected with the conductive connector, and the other end of the power transmission line extends to the outside of the hub.
7. 7. The driven wheel power recovery system of claim 6, wherein the first magnetic pole is fixedly connected to the hub and the drive output is connected to the inductor assembly; the conductive contact includes: the slip ring inner ring is fixedly connected to the hub shaft and is electrically connected with the power transmission line; the slip ring outer ring is fixedly connected to the inductance coil assembly and is electrically connected with the inductance coil; And the inner ring of the slip ring is electrically connected with the outer ring of the slip ring through the contact brush.
8. 8. The driven wheel power recovery system according to claim 6, wherein the hub axle is provided with a harness passage that communicates between the inside and the outside of the hub, and the power transmission line is provided through the harness passage to communicate between the inside and the outside of the hub.
9. 9. The driven wheel power recovery system of claim 1, further comprising a temperature sensor fixedly coupled to the hub axle.
10. 10. An automobile comprising a driven wheel power recovery system as defined in any one of claims 1 to 9.

Description

Driven wheel power recovery system and car Technical Field The invention belongs to the technical field of automobiles, and particularly relates to a driven wheel power recovery system and an automobile. Background The endurance mileage of the existing electric automobile is limited to a large extent by the battery capacity, and the main means is to increase the battery pack in order to improve the endurance, but this results in an increase in the weight, cost and charging time of the automobile. In the braking and sliding process, the kinetic energy of the vehicle is converted into heat energy loss in a friction mode, so that the cruising time of the electric car is further reduced. To solve this problem, a power system having an energy recovery function has been proposed. The system is characterized in that an inductance coil is fixedly connected with a hub shaft of a driven wheel, and a permanent magnet rotating along with the hub is arranged in the hub, so that when the driven wheel rotates, the inductance coil cuts a magnetic induction line of the permanent magnet to generate electricity, and the effect of recovering kinetic energy is generated. However, in the energy recovery system in which the inductance coil is fixed on the hub shaft, only the magnet assembly rotates in the power generation process, the relative speed of the inductance coil for cutting the magnetic induction line of the permanent magnet is low, and the problems of insufficient power generation of the generator, unstable power generation at low speed, discontinuous power recovery and the like exist. Disclosure of Invention Therefore, the technical problem to be solved by the invention is to provide a driven wheel power recovery system for recovering the kinetic energy of the driven wheel so as to prolong the endurance mileage of the automobile. In the aspect 1, the driven wheel power recovery system includes: A hub axle; A hub rotatably connected to the hub axle; The magnet assembly comprises a first magnetic pole and a second magnetic pole which are fixedly connected, the first magnetic pole and the second magnetic pole are arranged at intervals along the axial direction of the hub shaft, and the first magnetic pole and the second magnetic pole are opposite at one side with opposite polarities; The inductance coil component is arranged between the first magnetic pole and the second magnetic pole, is respectively arranged at intervals with the first magnetic pole and the second magnetic pole, is rotationally connected to the hub shaft, and takes the hub shaft as a rotation axis; The variable speed transmission assembly is provided with a transmission output end and a transmission input end, the transmission input end is connected with the hub, and the rotation speed output by the transmission output end is different from the rotation speed input by the transmission input end; The first magnetic pole is fixedly connected with the hub, the transmission output end is connected with the inductance coil component, or The inductance coil component is fixedly connected to the hub, and the transmission output end is connected to the first magnetic pole. In the case of the scheme 2 based on the scheme 1, the rotation direction of the transmission output is opposite to the rotation direction of the transmission input. In the case of the variant 3 according to the variant 2, the rotational speed output by the transmission output is greater than the rotational speed input by the transmission input. In aspect 4 based on aspect 3, the transmission input includes a ring gear, the transmission output includes a sun gear, and the variable speed transmission assembly further includes: the planetary gear bracket is fixedly connected with the hub shaft; the planetary gear is rotatably connected with the planetary gear support, and the gear ring is in driving connection with the sun gear through the planetary gear. In the aspect 5 based on any one of the aspects 1 to 4, characterized in that the driven wheel power recovery system further includes a flexible coupling; the first magnetic pole is fixedly connected with the hub, the transmission output end is connected with the inductance coil assembly through the flexible coupling, or the inductance coil assembly is fixedly connected with the hub, and the transmission output end is connected with the first magnetic pole through the flexible coupling. In the aspect 6 based on any one of the aspects 1 to 4, the driven wheel power recovery system further includes a current delivery assembly including: The conductive connector is electrically connected with the inductance coil assembly; And one end of the power transmission line is connected with the conductive connector, and the other end of the power transmission line extends to the outside of the hub. In the aspect 7 based on the aspect 6, the first magnetic pole is fixedly connected to the hub, and the transmission output end is connected to the inductance