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Commercial vehicle intelligent parking EPB valve system, EPB valve assembly and intelligent parking control method

A control method and technology for commercial vehicles, which is applied in the direction of control valves and air release valves, brakes, brake components, etc., can solve the problems of inconvenient control, inability to match the intelligent parking system, and many parts, so as to save manpower and material resources Cost, small footprint, low cost effect

Pending Publication Date: 2020-02-21
ZHEJIANG VIE SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] Aiming at the shortcomings of the electronic parking valve system in the prior art, such as many parts, inconvenient control, and inability to match the intelligent parking system, the present invention provides a commercial vehicle intelligent parking EPB valve system, an EPB valve assembly, and an intelligent parking system. Control Method

Method used

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  • Commercial vehicle intelligent parking EPB valve system, EPB valve assembly and intelligent parking control method
  • Commercial vehicle intelligent parking EPB valve system, EPB valve assembly and intelligent parking control method
  • Commercial vehicle intelligent parking EPB valve system, EPB valve assembly and intelligent parking control method

Examples

Experimental program
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Effect test

Embodiment 1

[0034] Such as figure 1 with figure 2 As shown, the commercial vehicle intelligent parking EPB valve system includes an electronic control unit 1, a normally closed first solenoid valve 2 and a second solenoid valve 3, and a normally open third solenoid valve 4, and also includes a pneumatic control valve 5, The relay valve 6 and the two-way one-way valve 7, the EPB valve also includes an air inlet 8 for air source pressure to enter, and the air inlet 8 is provided with a one-way valve 9; the electronic control unit 1 is used to receive signals to the epb Each solenoid valve of the valve is controlled to realize the corresponding function.

[0035] The air inlet 8 is connected to the air source air storage tank, and the air path of the air inlet 8 includes three paths, one path is directly connected to the relay valve 6 valve cavity; one path is connected to the first solenoid valve 2, and the other path is connected to the pneumatic control valve 5;

[0036] The first sol...

Embodiment 2

[0048] Different from Embodiment 1, the first solenoid valve 2 and the second solenoid valve 3 in this embodiment are two-position three-way solenoid valves.

Embodiment 3

[0050] A spare air port 22 for connecting a trailer parking brake module is also included. The spare air port 22 is used when the commercial vehicle still has a trailer, and the trailer portion of the air port can also be used to realize the electronic parking brake.

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Abstract

The invention relates to the field of intelligent parking of commercial vehicles, and discloses a commercial vehicle intelligent parking EPB valve system, an EPB valve assembly and an intelligent parking control method. The system is characterized in that one path of an air inlet is directly connected to a relay valve cavity, one path of the air inlet is connected to a first electromagnetic valve,and another path of the air inlet is connected to a pneumatic control valve; an air inlet air path of the first electromagnetic valve is connected to the air inlet, one path of an air outlet air pathis connected to a control cavity of the pneumatic control valve, and other path of the air outlet air path is connected to a double-way check valve; the control cavity of the pneumatic control valveis connected to the first electromagnetic valve and a second electromagnetic valve; an air outlet air path of a third electromagnetic valve comprises an air path connected to the double-way check valve; an air outlet air path of the second electromagnetic valve is connected to an exhaust port; and the double-way check valve is connected to an upper cavity of a relay valve and is used for connecting an air outlet of the parking vehicle to the relay valve and connecting the exhaust port to the relay valve. The valve system has the advantages of fewer parts, convenient control, no harm to the electromagnetic valves and the like.

Description

technical field [0001] The invention relates to the field of commercial vehicle electronic parking, in particular to a commercial vehicle intelligent parking EPB valve system, an EPB valve assembly, and a control method for intelligent parking. Background technique [0002] US Patent US9434366B1 relates to an electronic parking device for heavy vehicles, including commercial vehicles. The electronic parking device of the heavy-duty vehicle has an EPB valve and an air pressure pipeline, and the air pressure pipeline connects the exhaust port of the EPB valve with a spring brake system, so that the air pressure of the EPB valve can be applied to the spring brake system , to keep the vehicle's parking brake in the released position. The device also has a normally open solenoid valve with an air inlet connected to the pneumatic pipeline. The solenoid valve is operable to relieve air pressure in the air pressure line, thereby causing the spring braking system to apply spring br...

Claims

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Application Information

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IPC IPC(8): B60T13/68B60T15/18
CPCB60T13/683B60T15/18
Inventor 陈钢强金杰傅直全朱奇章
Owner ZHEJIANG VIE SCI & TECH
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