Traffic safety system
A driving safety and vehicle load technology, which is applied in the field of driving safety systems, can solve problems such as low system integration, high maintenance costs, and poor reliability, and achieve the effect of high system safety factor and improved vehicle safety
Active Publication Date: 2016-03-02
HUNAN CSR TIMES ELECTRIC VEHICLE
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Problems solved by technology
[0002] The water pumps, air compressors and oil pumps of existing new energy buses are driven by the electrical system and serve as power sources for system cooling, vehicle braking and power steering respectively. When the power is cut off, the steering parts (steering pump) and brake parts (air compressor) will fail, and at this time, the vehicle has a great driving safety risk
At the same time, due to the need for energy saving of the air compressor, the operating rate of the air compressor is low, and a large amount of condensed water accumulates, resulting in problems such as high maintenance costs, poor reliability, and oil emulsification.
[0003] At the same time, due to the differences in working characteristics and working areas of water pumps, air compressors and oil pumps, the three convert DC high-voltage power into three-phase AC and DC low-voltage power required by the load through one DC / DC and two DC / AC respectively. That is, water pumps, oil pumps, and air compressors are driven by independent motors, resulting in scattered components, many failure points, low system integration, high cost, and high energy consumption
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[0024] The present invention will be further described in detail in conjunction with the accompanying drawings and specific embodiments.
[0025] Such as figure 1 As shown, the driving safety system of this embodiment includes a hydraulic motor 1, a power pump 2 and a driving component 3, the hydraulic motor 1 is used to drive the vehicle load 4, the hydraulic energy input by the hydraulic motor 1 is converted into mechanical energy to drive the load, and its cost is low , solve the problems of small motor torque, low electrical protection, and narrow speed range; In this embodiment, the power pump 2 can output a constant flow according to the design flow rate of the hydraulic motor 1. The power pump 2 includes a main pump 21 and an auxiliary pump 22. The driving part 3 includes a main pump driver 31 and an auxiliary pump driver 32. The main pump The driving part 31 is connected with the main pump 21, the main pump driving part 31 controls the output flow of the main pump 21 ...
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The invention provides a traffic safety system. The traffic safety system comprises a hydraulic motor used for driving a vehicle load, a power pump used for outputting constant flow according to a designed flow of the hydraulic motor and a driving assembly used for driving the power pump. The power pump comprises a main pimp and an auxiliary pump. The driving assembly comprises a main pump driving part and an auxiliary pump driving part. The main pump driving part controls the output flow of the main pump according to the vehicle speed. The auxiliary pump driving part controls the supplementary output flow of the auxiliary pump according to the output flow of the main pump. The traffic safety system has the advantages that the safety, stability and reliability of the system are improved.
Description
technical field [0001] The invention relates to the field of driving safety, in particular to a driving safety system. Background technique [0002] The water pumps, air compressors and oil pumps of existing new energy buses are driven by the electrical system and serve as power sources for system cooling, vehicle braking and power steering respectively. When the power is cut off, the steering components (steering pump) and brake components (air compressor) will fail. At this time, the vehicle has a great driving safety risk. At the same time, due to the energy-saving needs of the air compressor, the operating rate of the air compressor is low, and more condensed water accumulates, resulting in high maintenance costs, poor reliability, and oil emulsification. [0003] At the same time, due to the differences in working characteristics and working areas of water pumps, air compressors and oil pumps, the three convert DC high-voltage power into three-phase AC and DC low-volta...
Claims
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Patent Timeline
Login to View More IPC IPC(8): F04B17/00F04B23/04F04B35/02F04B49/06B62D5/06
CPCB62D5/064F04B17/00F04B23/04F04B35/008F04B49/002F04B49/06
Inventor 何亮刘凌蒋时军汪伟唐广笛彭再武吕永宾
Owner HUNAN CSR TIMES ELECTRIC VEHICLE