Hydraulic energy storage redundant safety brake system for unmanned vehicles
An unmanned vehicle, hydraulic energy storage technology, applied in vehicle components, brake transmission devices, brake components, etc., can solve problems such as safety accidents, limited life, and failure of the main brake mechanism.
Active Publication Date: 2022-01-11
南京世博电控技术有限公司
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Problems solved by technology
Due to the limited life of the brake mechanism and other reasons, the main brake mechanism may fail in the unmanned mode if the main brake mechanism is always in working condition. The failure of the vehicle to brake effectively will cause a safety accident.
Method used
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Embodiment
[0052] Embodiment: The present invention provides a hydraulic energy storage redundant safety braking system for an unmanned vehicle, as attached Figure 1-7 As shown, it includes an executive oil circuit 2 connected to the brake actuator 1 on the vehicle, the brake actuator 1 and the executive oil circuit 2 are conventional designs, and the system also includes an oil pot 3, a brake system 4 (which can be electric control brake pump, vacuum booster brake system or pure manual hydraulic brake system without booster), overflow valve 5, accumulator 6 and two-position three-way reversing valve 7, the brake system 4 One end is connected to the oil pot 3 through a pipeline, the other end of the brake system 4 is connected to the overflow valve 5 through a pipeline, and the outlet end of the overflow valve 5 is connected to the accumulator 6 through a pipeline. The A port of the directional valve 7 is connected with the executive oil circuit 2, the two-position three-way reversing v...
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The invention discloses a hydraulic energy storage redundant safety braking system for an unmanned vehicle and a control method thereof. , an accumulator and a two-position three-way reversing valve, one end of the brake system is connected to the oil pot through a pipeline, the other end of the brake system is connected to the overflow valve through a pipeline, and the outlet end of the overflow valve is connected to the oil tank through a pipeline. The accumulator is connected, the A port of the two-position three-way reversing valve is connected with the executive oil circuit, the two-position three-way reversing valve is connected with the brake system through a pipeline, and the T port of the two-position three-way reversing valve Connected to the accumulator through pipelines. The invention can store and accumulate braking energy in the accumulator when the electronically controlled brake is normal, and when the electronically controlled brake fails or stops and the power is cut off, the energy accumulator is used to release the pressure to drive the brake actuator to operate, so that the vehicle can brake effectively, thereby Avoid safety accidents.
Description
technical field [0001] The invention relates to the technical field of motor vehicle braking systems, in particular to an unmanned vehicle hydraulic energy storage redundant safety braking system and a control method thereof. Background technique [0002] Unmanned driving technology is popular all over the world, and many large IT technology companies have invested huge financial resources and manpower in research and development of unmanned driving technology. However, for a vehicle, no matter how mature and intelligent the unmanned driving IT technology is, it is just an algorithm software. Without effective function execution hardware, the vehicle still cannot guarantee the safe realization of unmanned driving. [0003] The power source of the brake mechanism of the manually driven vehicle is the foot pressure, and vacuum booster or other booster systems are used. With the help of the booster system, it is very easy to step on the brakes. Even when the auxiliary brake fa...
Claims
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IPC IPC(8): B60T1/10B60T13/16B60T8/88
CPCB60T1/10B60T13/16B60T8/88
Inventor 阮浩冯磊
Owner 南京世博电控技术有限公司