A distributed electronic hydraulic braking system

A hydraulic braking and distributed technology, applied in the direction of brakes, brake transmissions, vehicle components, etc., can solve the problems of insufficient active pressure build-up, complex structure of the braking system, and inaccurate pressure adjustment, etc., to achieve full pedal force Decoupling, low failure probability, and improved braking quality

Active Publication Date: 2019-01-22
JILIN UNIV
View PDF13 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] In order to solve the problems of complex structure, large vibration and noise, active pressure build-up not fast enough and pressure regulation not accurate enough in the existing braking system, the present invention proposes a distributed electronic hydraulic braking system, which cancels the brake master cylinder, vacuum booster It can realize rapid active pressure build-up, precise pressure adjustment, full decoupling of pedal force, low vibration and noise, and failure protection. function of

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • A distributed electronic hydraulic braking system
  • A distributed electronic hydraulic braking system
  • A distributed electronic hydraulic braking system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0038] refer to figure 1 A distributed electronic hydraulic braking system according to the present invention is composed of four wheel brake actuators 25, a driver's pedal feeling simulation mechanism 26, an electronic control unit 27 and a spare small battery 28. The respective hydraulic cylinder blocks 4 of the four wheel brake actuators 25 communicate with the brake wheel cylinders of the corresponding automobile wheels through brake hoses, and the respective electromagnetic parts of the four wheel brake actuators 25 communicate with the electronic control unit The current output terminal of 27 is connected, the power supply input terminal of the electronic control unit 27 is connected with the automobile power supply output terminal, the standby power supply input terminal of the electronic control unit 27 is connected with the spare small battery 28, and the driver's pedal feeling simulation mechanism 26 is used for measuring The displacement sensor 24 is connected with ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The invention discloses a distributed electronic hydraulic braking system, comprising four wheel braking actuators, a driver's pedal feeling simulation mechanism, an electronic control unit and a backup miniature battery; the electronic control unit outputs current to electromagnetic portions of the wheel braking actuators, the current passes through coils wound on electromagnet sleeves in the electromagnetic portions to generate magnetic force such that moving electromagnets in the electromagnetic portions drive hydraulic cylinder pistons in hydraulic portions to axially move, and movement of the hydraulic cylinder pistons drives a braking fluid in hydraulic cylinder blocks to flow between the hydraulic cylinder blocks and corresponding wheel braking cylinders so as to brake corresponding wheels. The various parts in an existing automobile brake system, such as a brake master cylinder, a vacuum booster, an oil cup, major part of pipelines, electromagnetic valves, motors, accumulators and oil pumps are omitted; the problem that an existing braking system is complex in structure, high in vibrational noise, low in active pressure buildup speed, and poor in pressure regulation precision is solved.

Description

technical field [0001] The invention belongs to the technical field of automobile braking systems, and relates to a distributed electronic hydraulic braking system. More precisely, the invention relates to an electronic hydraulic braking system with four sets of independent wheel braking actuators. Background technique [0002] The distributed electro-hydraulic brake system is a distributed wet brake-by-wire system. The distributed feature makes it less likely that all wheel brake actuators will fail at the same time. At present, the most widely used brake system is the vacuum booster system. Due to its simple structure and stable performance, it has dominated the brake system industry for many years. With the development of new energy vehicles and smart vehicles, new requirements are put forward for the automotive braking system: reduce and cancel the dependence on engine vacuum; be able to achieve low-noise active conventional braking; realize the driver's braking feeling...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
Patent Type & Authority Patents(China)
IPC IPC(8): B60T13/68
CPCB60T13/686
Inventor 雍文亮管欣卢萍萍丁明慧
Owner JILIN UNIV
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap