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Hybrid dual-loop brake system with various working modes, and brake method

A brake system and working mode technology, applied in the direction of brake control system, brake safety system, brake system interaction, etc., can solve the problem that the brake system no longer meets the braking needs of smart cars and new energy vehicles , to achieve the effect of high utilization rate of ground attachment, good stability and high reliability

Inactive Publication Date: 2019-08-02
南京经纬达汽车科技有限公司
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Therefore, the existing braking system is no longer suitable for the braking needs of smart cars and new energy vehicles, and a new braking system must be proposed to meet their requirements

Method used

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  • Hybrid dual-loop brake system with various working modes, and brake method
  • Hybrid dual-loop brake system with various working modes, and brake method
  • Hybrid dual-loop brake system with various working modes, and brake method

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Embodiment Construction

[0038] The present invention will be further described below in conjunction with accompanying drawing.

[0039] refer to Figure 1 to Figure 5 , the present invention has a hybrid dual-circuit braking system with multiple working modes, including a brake pedal 1, a support pin 2, a brake light switch 3, a human cylinder 4, a first electric cylinder 5, a power supply 6, and a brake controller 7 , the second electric cylinder 8, the pedal stroke sensor 9, the left front brake 10, the right front brake 11, the right rear brake 12, the left rear brake 13, and signal wires, power wires and brake pipelines; wherein each brake contains at least a wheel cylinder;

[0040] The manual braking circuit includes a manual cylinder 4 connected with the brake pedal 1, the drain hole 416 of the manual cylinder 4 is connected with the oil inlet 808 of the second electric cylinder 8 through a brake pipeline, and the second electric cylinder 8 is electrically connected to the brake controller 7...

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Abstract

The invention relates to a hybrid dual-loop brake system with various working modes, and a brake method. The hybrid dual-loop brake system comprises a manual brake loop and a brake-by-wire loop; the manual brake loop comprises a manual cylinder connected with a brake pedal, the manual cylinder is connected with a second electric cylinder through a brake pipeline, and the second electric cylinder is electrically connected with a brake controller and connected with a first brake set through a brake pipeline; and the brake-by-wire loop comprises a first electric cylinder connected with a second brake set, the brake controller connected with the first electric cylinder is connected with a pedal travel sensor, and the pedal travel sensor is connected with the manual cylinder. The hybrid dual-loop brake system and the brake method have the advantages that brake response is quick, the brake pedal sensing and brake direction stability is good, and the ground adhesion utilization rate is high;the system is simple in structure and low in cost; and the reliability is high, and the failure protection capacity is high.

Description

technical field [0001] The invention belongs to the technical field of automobile brake systems, in particular, it is a hybrid dual-circuit brake system with multiple working modes including a manual brake circuit and a wire-controlled brake circuit. Background technique [0002] According to the division of the International Society of Automotive Engineers, intelligent driving vehicles are divided into five levels, namely, driver assistance (level 1), partial automation (level 2), conditional automation (level 3), high automation (level 4) and full automation (level 4). Level 5). As far as braking systems are concerned, all levels of intelligent driving require the car to have autonomous braking, which applies the brakes to all or some of the wheels without the driver engaging the brake controls. At present, the devices that can implement autonomous braking mainly include electro-hydraulic braking (EHB), electro-mechanical braking (EMB), hydraulic control unit of electroni...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60T13/58B60T13/74B60T17/22
CPCB60T13/58B60T13/745B60T17/22B60T2260/02B60T2270/402B60T2270/404
Inventor 邓伟文丁能根张凯
Owner 南京经纬达汽车科技有限公司
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