A vehicle energy-feeding suspension and its control method
A suspension and accumulator technology, applied in the field of vehicle suspension research, can solve the problems of inability to guarantee vehicle dynamics, high manufacturing cost, and less energy recovered, so as to improve energy recovery efficiency and ensure reliability. the effect of reducing the loss of
Active Publication Date: 2018-08-10
JIANGSU UNIV
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Problems solved by technology
The manufacturing cost of the linear motor energy-feeding suspension is high, and the efficiency of the linear motor is very low compared with the rotary motor; the rack-and-pinion and ball screw type energy-feeding suspensions are low in cost, but the frequent positive and negative commutation of the rotary motor cannot be avoided , the recovered energy is less; the structure of the hydraulic electric energy-feeding suspension is reliable, and the cost is low. Good guarantee of the dynamic characteristics of the vehicle itself
Method used
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Embodiment approach
[0037] figure 1 Shown is an embodiment of the vehicle energy feeding suspension of the present invention. The vehicle energy feeding suspension includes a hydraulic mechanism, a transmission device, a rotating electric machine 18, and a power storage mechanism.
[0038] The hydraulic mechanism includes hydraulic cylinder a1, hydraulic cylinder b2, one-way valve a3, one-way valve b4, one-way valve c5, one-way valve d6, one-way valve e7, one-way valve f8, one-way valve g9, one-way valve Valve h10, accumulator a11, accumulator b12, accumulator c13, accumulator d14, motor a15, and motor b16.
[0039] The oil inlet and outlet of the one-way valve a3 are respectively connected to the oil inlet of the one-way valve c5 and the oil inlet of the one-way valve b4 through pipelines; the oil inlet and the oil outlet of the one-way valve d6 The oil ports are connected to the oil outlets of the one-way valve c5 and the one-way valve b4 through the pipeline; the oil inlet and the oil outlet of the...
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The invention belongs to the field of vehicle suspension research and relates to a vehicle energy-feeding suspension and a control method thereof. The suspension includes a hydraulic mechanism, a transmission device, a rotating electrical machine and an electric storage mechanism; the transmission device designed in the present invention simplifies the system structure , the power of the two motors of the hydraulic mechanism is integrated into the same output end, only one motor is used, and the cost is reduced. In the present invention, the upper and lower cavities of the two hydraulic cylinders are reversely interconnected by using the energy-feeding hydraulic pipeline, which can improve the steering stability without affecting the ride comfort of the vehicle, and recover the energy of the reciprocating flow of the oil to convert it into Electric energy for use by automotive electrical equipment. The invention not only improves the maneuverability of the automobile, but also recovers the vibration energy of the suspension, and has broad application prospects.
Description
Technical field [0001] The invention belongs to the field of vehicle suspension research, and specifically relates to a vehicle energy-feeding suspension and a control method thereof. Background technique [0002] Environmental pollution and energy crisis pose a severe challenge to the development of the automobile industry. How to improve the performance of the automobile while saving energy and reducing emissions has been the focus of research in the automobile industry in recent years. [0003] The vibration energy of the traditional suspension is usually dissipated in the form of heat energy through the damper, resulting in a great waste, and the energy-feeding suspension can recover this part, which is energy-saving and environmentally friendly. Common forms of energy feeding suspension are: linear motor type, rack and pinion type, ball screw type and hydraulic-electric type. Linear motor-type energy-feeding suspensions have high manufacturing costs, and the efficiency of lin...
Claims
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IPC IPC(8): B60G21/073F15B21/14
CPCF15B21/001F15B21/14B60G21/073B60G2204/8306B60G2204/8304B60G2400/82
Inventor 汪若尘丁彦姝丁仁凯孟祥鹏谢健陈龙
Owner JIANGSU UNIV