Center tyre inflation/deflation system with tyre protecting function

A protection function, inflation and deflation technology, applied in the field of vehicles, can solve the problems of high cost, inconvenient wide-scale promotion, and complexity, and achieve the effect of low cost and enhanced cross-country passability

Inactive Publication Date: 2010-01-20
CHINA NORTH VEHICLE RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The latter adopts the single-chip microcomputer control mode. Although it makes up for the shortcomings of the manual system, due to the complexity of the hardware system and the ad

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  • Center tyre inflation/deflation system with tyre protecting function

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Embodiment Construction

[0011] The tire central inflation and deflation system with tire protection function provided by the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0012] Such as figure 1 As shown, a tire central inflation and deflation system with tire protection function, which includes an air source P, a two-position normally closed switch solenoid valve K1, a two-position normally closed switch solenoid valve K2, a low pressure on and a high pressure off type pressure switch YL1, low pressure disconnect high pressure closed pressure switch YL2, release delay relay JS1 and JS2, first air circuit 3, second air circuit 4, third air circuit 5, open manual switch valve 1, tire 2, power switch S1, switch S2. The air source P communicates with the air inlet hole of the two-position normally closed switch solenoid valve K1, and the air outlet hole of the two-position normally closed switch solenoid valve K1 communicate...

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Abstract

The invention belongs to the filed of vehicles, and in particular discloses a center tyre inflation/deflation system with tyre protecting function. An air source is communicated with an air inlet of a solenoid valve; an air outlet of the solenoid valve is communicated with a second air channel which is communicated with a tyre through a first air channel; the second air channel is provided with a low-pressure connection and high-pressure disconnection pressure switch and a low-pressure disconnection and high-pressure connection pressure switch which are connected in parallel; a third air channel communicated with the second air channel is arranged between the two pressure switches, and is communicated with an air inlet of another solenoid valve; the solenoid valve and the high-pressure disconnection pressure switch are all connected with a delay relay which is connected with the inflation gear of the switch; and the another solenoid valve and the high-pressure connection pressure switch are all connected with another delay relay which is connected with a deflation gear of the switch. The system avoids the participation of a singlechip, can conveniently inflate/deflate tyres of the whole vehicle, and has the tyre protecting function.

Description

technical field [0001] The invention belongs to the field of vehicles, and in particular relates to a tire central inflation and deflation system with tire protection function for off-road vehicles. Background technique [0002] The road surface of off-road vehicles is also relatively complicated, and often needs to be driven on muddy and soft roads. According to the theory of vehicle ground mechanics, under the condition of certain ground friction coefficient and other conditions, the larger the ground contact area of ​​the tire, the greater the ground traction force obtained by the vehicle. Also bigger. Therefore, by adjusting the tire pressure and changing the tire contact area, it can play a role in changing the traction of the vehicle. Therefore, the passing performance of the vehicle is enhanced to varying degrees with the degree of reduction in tire pressure. [0003] As far as tires are concerned, on hard roads, if the air pressure of the tires is too low, the defo...

Claims

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Application Information

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IPC IPC(8): B60C23/00
Inventor 张宏超尹君胜徐晓曦王璐
Owner CHINA NORTH VEHICLE RES INST
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