Start method for vehicle carried alcohol sensor automatic control automobile and its controller

A technology of alcohol sensor and control device, which is applied to the safety devices of the power plant control mechanism, tractors, motor vehicles, etc., which can solve the problems of personal life and property loss, high missed detection rate, and impact on traffic, etc., to save manpower, Full-featured and ingenious effects

Inactive Publication Date: 2005-03-02
刘保权 +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] As we all know, in order to prevent drinking or drunk drivers from driving on the road, the method adopted is to set up some inspectors at irregular times and points on the driving road, stop the driving cars, randomly select some passing drivers as the tested objects, and manually Detect the alcohol concentration in t...

Method used

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  • Start method for vehicle carried alcohol sensor automatic control automobile and its controller
  • Start method for vehicle carried alcohol sensor automatic control automobile and its controller

Examples

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Embodiment Construction

[0022] Alcohol sensor (called probe usually) MQ is placed in the car among the present invention, and it can convert the alcohol concentration in the driver's exhalation into electric signal, in figure 1 The output signal of the middle alcohol sensor MQ passes through the potentiometer R at point P 7 , resistance R 3 It is sent to the ADCO port of the microprocessor IC. When it is normal, the potential of point P of the non-alcoholic signal is 1, and the PDS of the microprocessor IC (T 1 ) terminal outputs a low potential, the switching transistor Q3 is in the cut-off state, no current passes through the relay J coil, and the normally closed contact of its contact K is connected in series to the automobile ignition coil power supply circuit, and the automobile can be started normally. When the driver's alcohol content exceeds a certain standard, after the alcohol sensor MQ is converted into an electrical signal, the potential of point P decreases. After this pulse signal is s...

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PUM

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Abstract

The present invention belongs to the field of automatic control technology for starting automobile. Alcohol sensor is set inside automobile and connected to the control circuit, so that before drunk driving, the automatic control circuit will send acoustic and optical alarm signal while the automatic starting winding being power broken to make the automobile unable to be started. The present invention can avoid the road accident caused by drunk driving.

Description

technical field [0001] The invention relates to the technical field of automatic control, in particular to the technical field of automatic control that can automatically open a car. Background technique [0002] As we all know, in order to prevent drinking or drunk drivers from driving on the road, the method adopted is to set up some inspectors at irregular times and points on the driving road, stop the driving cars, randomly select some passing drivers as the tested objects, and manually Detect the alcohol concentration in the mouth, release the non-drinker, and stop the drinking. Its obvious shortcomings are: 1. It is cumbersome and sometimes affects the traffic. 2. The missed detection rate is too high. Still on the road as usual. Thereby, the report that causes a large amount of traffic accidents is not uncommon, causes huge loss to personal life and property. Contents of the invention [0003] The object of the present invention is to provide a new method and a co...

Claims

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Application Information

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IPC IPC(8): B60K28/06
Inventor 罗新江文法河刘保权
Owner 刘保权
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