Hydraulic unit for integrated automobile brake system
A technology of automobile brake system and hydraulic unit, applied in the direction of hydraulic brake transmission device, etc., can solve the problems of difficult industrialization, high processing precision, complex structure, etc., and achieve the effect of easy mass production, simple structure, and reduced quantity
Inactive Publication Date: 2012-11-28
ZHEJIANG ASIA PACIFIC MECHANICAL & ELECTRONICS
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Problems solved by technology
The former has complex structure, high processing precision and high cost; the latter puts forward higher requirements for the response time of the motor and the minimization of the moment of inertia of the transmission mechanism
Their common feature is that the process is complicated, the cost is high, and it is difficult to realize industrialization
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[0015] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0016] figure 1 It is a schematic diagram of the braking system principle of the hydraulic unit of the integrated automobile braking system. figure 2 It is a structural schematic diagram of the hydraulic unit of the integrated vehicle braking system. The hydraulic unit of the integrated automobile braking system includes a hydraulic valve block 100 and a brake master cylinder 102 installed on the hydraulic valve block 100, a motor 107, a first hydraulic pump 106, a second hydraulic pump 108, a first switch valve 104, the second switching valve 105, the first pressure increasing valve 110, the first pressure reducing valve 109, the second pressure increasing valve 112, the second pressure reducing valve 111, the third pressure increasing valve 114, the third pressure reducing valve 113, The fourth pressure increasing valve 116 , the fourth p...
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The invention discloses a hydraulic unit for an integrated automobile brake system. The hydraulic unit comprises a hydraulic valve block and further comprises a brake master cylinder, a motor, two hydraulic pumps, two switch valves, a second switch valve, four pressure-increasing valves, four pressure-relieving valves, an oil storage chamber and a pressure sensor which are mounted on the hydraulic valve block, wherein a brake master cylinder body is integrated with the hydraulic valve block; a piston of the brake master cylinder is arranged in the brake master cylinder body; the piston of the brake master cylinder is connected with a brake pedal through a push rod; the motor is mounted on the hydraulic valve block and is connected with the hydraulic pumps; and the oil storage chamber which is connected with the hydraulic valve block is connected with two oil inlets of the brake master cylinder body through oil channels on the hydraulic valve block and also is connected with the outlets of the pressure-relieving valves and the oil inlets of the hydraulic pumps. The hydraulic unit for the integrated automobile brake system has the advantages of simple and compact structure, low cost, energy conservation and environmental protection, wide application scope, powerful function, high speed in establishing braking hydraulic pressure, benefit to the reduction of braking distance, and capability of increasing the driving safety. The hydraulic unit for the integrated automobile brake system can be applied to a traditional vehicle as well as a new energy vehicle.
Description
technical field [0001] The invention relates to an automobile braking system, in particular to an integrated hydraulic unit of the automobile braking system. Background technique [0002] Automobile braking system is an extremely important part to ensure driving safety. The system has complex structure, many parts, high production cost and long design cycle. Especially in recent years, with the popularization and promotion of new energy vehicles, the use of traditional vacuum-assisted braking systems will inevitably require additional vacuum pumps and vacuum tanks, which makes the already complex braking system more complicated. increase, increase in size, and decrease in reliability. [0003] The integrated vehicle braking system changes the traditional serial vacuum booster master cylinder supercharging structure into a pump-controlled volume compensation master cylinder structure. The hydraulic unit of the system cancels the vacuum booster and part of the hydraulic pipel...
Claims
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IPC IPC(8): B60T11/16B60T11/18
Inventor 郭立书施正堂李茂洲陈越郑利水
Owner ZHEJIANG ASIA PACIFIC MECHANICAL & ELECTRONICS
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