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Commercial vehicle air pressure electronic parking brake module

An electronic parking brake and commercial vehicle technology, applied in the direction of brakes, brake transmissions, vehicle components, etc., can solve the problems that the switch solenoid valve cannot maintain the current state, reduce system reliability, and suddenly brake the vehicle, etc., to achieve Improve brake response speed, improve vehicle safety, and reduce manufacturing costs

Pending Publication Date: 2020-12-25
武汉辅安科技有限公司
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0005] (2) Multiple solenoid valves are used for distributed arrangement to achieve multiple functions, and the pipeline arrangement is complicated and reduces the reliability of the system
[0006] (3) When the solenoid valve is powered off, the general switch solenoid valve cannot maintain the current state, which will cause the vehicle to brake suddenly, posing a safety hazard
[0007] (4) When the solenoid valve leaks, it may cause the pressure of the parking brake chamber to accumulate and cause the car to slide, which poses a safety hazard and reduces the reliability of the system

Method used

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  • Commercial vehicle air pressure electronic parking brake module
  • Commercial vehicle air pressure electronic parking brake module
  • Commercial vehicle air pressure electronic parking brake module

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Embodiment Construction

[0028] The invention proposes a pneumatic electronic parking brake module for commercial vehicles, which mainly includes a controller, a housing, a relay valve, a two-position two-way solenoid valve, a two-position two-way air control valve, a two-position three-way solenoid valve, a second A driving electromagnetic coil and a second driving electromagnetic coil. In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments.

[0029] figure 1 Shown in is a pneumatic electronic parking system for a commercial vehicle. The system includes a compressed air tank 10 that provides a compressed air source. The input port 2a of the control valve 2 is connected to the input port 4a of the relay valve 4; the two-position two-way solenoid valve 1 is a two-position two...

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Abstract

The invention relates to the technical field of commercial vehicle brake, and discloses a commercial vehicle air pressure electronic parking brake module. The commercial vehicle air pressure electronic parking brake module comprises a controller 50, a shell 56, a relay valve 4, a two-position two-way electromagnetic valve 1, a two-position two-way pneumatic control valve 2, a two-position three-way electromagnetic valve 3, a first driving electromagnetic coil 90 and a second driving electromagnetic coil 91. The whole module adopts integrated design. Compared with a traditional parking brake system, the module has the advantages that connection between a pneumatic pipeline and an electrical circuit is reduced, the module has the advantages of being high in integration degree, small in installation space and high in reliability, meanwhile, follow-up overhaul is facilitated through integrated installation, and the maintenance cost can be reduced.

Description

technical field [0001] The invention relates to the technical field of commercial vehicle braking, in particular to a commercial vehicle pneumatic electronic parking brake module. Background technique [0002] With the development of automotive electronics technology, the application of electronic parking in passenger cars has become increasingly mature, but the application of electronic parking in commercial vehicles is still in its infancy, especially the pneumatic electronic parking applied to the pneumatic braking system system (EPB). Compared with the traditional parking system, the electronic parking system has the advantages of convenient installation and simple operation, and with appropriate control technology, it can also realize hill start assistance, dynamic braking, and anti-slip that cannot be achieved by traditional manual parking brakes. Slope and other functions have broad application prospects. [0003] At present, the actuators of the pneumatic electroni...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60T13/26B60T13/68
CPCB60T13/26B60T13/268B60T13/683
Inventor 杨凡程毅
Owner 武汉辅安科技有限公司
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