A vehicle braking system with kinetic energy recovery function and its control method

An automobile braking system and kinetic energy recovery technology, applied in the direction of brakes, braking components, vehicle components, etc., can solve the problems of obvious pulling force, untimely release of braking force, poor smoothness, etc., to improve smooth release and balance hydraulic pressure. Allocate, reduce the effect of local fluctuations

Active Publication Date: 2018-09-18
ZHONGSHAN POLYTECHNIC
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Problems solved by technology

Chinese invention patent CN 103273918B discloses a vehicle kinetic energy recovery system and method, which can realize the above functions. However, during the kinetic energy recovery process, due to the poor smoothness of the cooperation between the kinetic energy recovery system and the braking system, the entire system may be damaged during use. It is easy to cause the brake force to be not released in time or the pulling force during kinetic energy recovery is too obvious, which will affect the driving quality

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  • A vehicle braking system with kinetic energy recovery function and its control method
  • A vehicle braking system with kinetic energy recovery function and its control method
  • A vehicle braking system with kinetic energy recovery function and its control method

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Embodiment Construction

[0025] The features of the present invention and other related features will be further described in detail below in conjunction with the accompanying drawings through embodiments, so as to facilitate the understanding of those skilled in the art:

[0026] refer to Figure 1-6 As shown, an automobile brake system with kinetic energy recovery function includes a main hydraulic pipeline 1 and a return pipeline 2 connected end to end, the main hydraulic pipeline 1 is provided with a driving wheel 3, and the main hydraulic pipeline 1 is arranged in series There is a kinetic energy recovery mechanism 4, an adjustment mechanism 5 and a braking mechanism 45, and the kinetic energy recovery mechanism 4 and the braking mechanism 45 are also respectively connected to the return pipeline 2 through the first secondary hydraulic pipeline 6 and the second secondary hydraulic pipeline 7 to drive The wheel 3 is connected to the power shaft 10 through the first clutch mechanism 9; the kinetic ...

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Abstract

The invention discloses an automobile braking system with a kinetic energy recovery function and a control method of the system. A kinetic energy recovery mechanism, an adjusting mechanism and a braking mechanism are arranged on a main hydraulic pipeline in series, and the kinetic energy recovery mechanism and the braking mechanism are connected to a return pipeline through a first secondary hydraulic pipeline and a second secondary hydraulic pipeline respectively; when the braking mechanism generates a braking force signal exceeding a set threshold value, the kinetic energy recovery mechanism recovers kinetic energy, and a second impeller in the kinetic energy recovery mechanism is driven by a first drive motor to achieve reverse rotation with a first impeller, so that the phenomenon that the hydraulic pipeline pressure fluctuates too fast due to the fact that the kinetic energy recovery speed is too high is prevented. In addition, hydraulic distribution between the kinetic energy recovery mechanism and the braking mechanism can be effectively balanced; meanwhile, local hydraulic fluctuation in the whole hydraulic pipeline is reduced, and the steady releasing of the braking force is improved.

Description

[technical field] [0001] The invention relates to an automobile braking system with a kinetic energy recovery function and a control method thereof. [Background technique] [0002] New energy vehicles are a new type of transportation that is energy-saving and environmentally friendly. The braking of new energy vehicles during driving is a process that consumes a large amount of kinetic energy. Recycling the energy in this process can effectively improve the energy utilization efficiency of new energy vehicles. Chinese invention patent CN 103273918B discloses a vehicle kinetic energy recovery system and method, which can realize the above functions. However, during the kinetic energy recovery process, due to the poor smoothness of the cooperation between the kinetic energy recovery system and the braking system, the entire system may be damaged during use. It is likely that the braking force is not released in time or the pulling force during kinetic energy recovery is too ob...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60T1/10
CPCB60T1/10
Inventor 景玉军赵永强王青
Owner ZHONGSHAN POLYTECHNIC
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