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Redundant braking system

A braking system, redundant technology, applied in the direction of brakes, brake transmissions, vehicle components, etc., to achieve the effect of low cost and good performance

Active Publication Date: 2021-03-30
ZHEJIANG LIBANG HEXIN INTELLIGENT BRAKING SYST CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the versatile Electronic Stability Control (ESC) combined with an intelligent brake booster creates unnecessary cost overhead

Method used

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  • Redundant braking system
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Embodiment Construction

[0019] Such as figure 1 As shown, a redundant braking system includes an intelligent brake booster 100 and an anti-lock braking system 200, the anti-lock braking system 200 is connected to the intelligent brake booster 100 through hydraulic pipelines 501, 502, The anti-lock brake system 200 includes an anti-lock brake ECU 290, a first motor 210, a first left and right wheel 511,512, a second left and right wheel 521,522, and a third wheel separating the second left and right wheel 521,522 from the hydraulic pipeline 501,502. Normally open solenoid valves 271, 272, in order to provide the left wheel and the right wheel braking force, therefore set the left circuit acting on the left wheel and the right circuit acting on the right wheel.

[0020] Left circuit: the first left wheel 511 is directly connected to the first hydraulic pipeline 501 through the first normally open solenoid valve 221, the first left wheel 511 is connected to the accumulator 261 through the first normally...

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Abstract

The invention discloses a redundant braking system which comprises an intelligent braking booster and an anti-lock braking system, the anti-lock braking system is connected with the intelligent braking booster through a hydraulic pipeline, and the intelligent braking booster comprises a booster ECU. The system is characterized in that the anti-lock braking system comprises an anti-lock ECU, a first motor, a first left wheel, a first right wheel, a second left wheel, a second right wheel and a third normally-open electromagnetic valve separating the second left wheel and the second right wheelfrom the hydraulic pipeline, the first left wheel and the first right wheel are connected with the hydraulic pipeline through a first normally-open electromagnetic valve, the first left wheel and thefirst right wheel are connected with an energy accumulator through a first normally-closed electromagnetic valve, the second left wheel and the second right wheel are directly connected with a hydraulic pump through a second normally-open electromagnetic valve and connected with the energy accumulator through a second normally-closed electromagnetic valve, the hydraulic pump is connected with thefirst normally-closed electromagnetic valve, the second normally-closed electromagnetic valve and the energy accumulator, the hydraulic pump is driven by a first motor, the first motor is controlled by an anti-lock ECU, and the booster ECU is connected with the anti-lock ECU through a communication line.

Description

[0001] The invention relates to the field of vehicle braking, in particular to a redundant braking system. Background technique [0002] As vehicles become more electrified, so does the need to provide electric assistance to driver braking requests in order to maximize recovery of vehicle kinetic energy. [0003] The first intelligent controller in the braking system was the anti-lock braking system (ABS), which was then further optimized into the electronic stability control system (ESC), and then more and more functions were given to the system. Later, the original independent electronic parking brake system (EPB) was also integrated into the electronic stability control system (ESC) to reduce costs, but there was a compromise in terms of redundancy. At the same time, redundancy is once again achieved through the introduction of an independent intelligent brake booster. However, the versatile Electronic Stability Control (ESC) combined with an intelligent brake booster crea...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60T13/68B60T13/74B60T8/176
CPCB60T13/686B60T13/745B60T8/176
Inventor 巴洛赫·莱文特孙明海
Owner ZHEJIANG LIBANG HEXIN INTELLIGENT BRAKING SYST CO LTD