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Alcohol detection method and device thereof

A technology of alcohol detection and alcohol, which is applied in the field of alcohol detection, can solve the problems of low test efficiency and large time interval, and achieve the effect of improving test efficiency

Active Publication Date: 2014-02-12
HENAN HANWEI ELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In view of this, the embodiment of the present application provides an alcohol detection method and device to solve the problem of low test efficiency due to the large time interval between two adjacent tests during alcohol detection in the prior art

Method used

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  • Alcohol detection method and device thereof
  • Alcohol detection method and device thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0049] figure 1 It is a flowchart of an alcohol detection method disclosed in Embodiment 1 of the present application.

[0050] Such as figure 1 As shown, the steps of the alcohol detection method disclosed in this embodiment are as follows:

[0051] Step S11 , controlling the gas exhaled by the subject to pass through one of the multiple gas paths.

[0052] The alcohol detection method provided in Embodiment 1 is used to detect the alcohol content in gas, and the characteristic is that firstly, a plurality of gas passages are arranged in the detection device to which the method is applied. When the person to be tested is performing the test, the gas exhaled by the person to be tested should be controlled to pass through one of the multiple gas paths. The method for controlling the gas exhaled by the person to be tested to pass through one of the multiple gas pathways can be to select one of the multiple gas pathways as the pathway, and close the other gas pathways; when th...

Embodiment 2

[0059] figure 2 It is a flow chart of a method for controlling the gas exhaled by a subject to pass through one of the multiple gas passages disclosed in Embodiment 2 of the present application.

[0060] Such as figure 2 As shown, the steps of the method for controlling the gas exhaled by the subject to be tested to pass through one of the multiple gas passages are as follows:

[0061] Step S111, selecting one of the multiple gas passages as a passage, and closing the other gas passages;

[0062] In this step, one of the multiple gas passages is selected as the gas passage, and one of them refers to the time when the measured gas in the gas passage is in a zero-setting state (that is, the gas exhaled by the previous tester in the gas passage has been emptied) One gas passage; and closing the other gas passages is to make only one gas passage open at the same time, so that the gas exhaled by the tester only passes through one of the multiple gas passages and is already in t...

Embodiment 3

[0067] image 3 It is a flowchart of an alcohol detection method disclosed in Embodiment 3 of the present application.

[0068] On the basis of Embodiment 1, the embodiment of the present application further includes:

[0069] Step S14, amplifying the detection signal.

[0070] The detection signal obtained in Step S12 of Embodiment 1 may be relatively weak, thereby affecting the result of judging whether the alcohol content in the detection signal exceeds the standard. Therefore, this embodiment adds step S14 on the basis of Embodiment 1 to amplify the detection signal. Avoid the inaccurate result of judging whether the alcohol content in the detection signal exceeds the standard in step S13 caused by the weak detection signal.

[0071] Step S15, performing analog-to-digital conversion on the detection signal.

[0072] Because step S13 judges whether the alcohol content exceeds the standard, it is mainly judged by digital signals, and the detection signal obtained in step ...

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Abstract

The invention discloses an alcohol detection method and a device thereof, which are used for detecting the alcohol content in the gas and characterized in that a plurality of gas trunks is arranged in the detection device applied in the method. The detection method comprises the following steps: controlling the gas breathed out by a tested person to go through one of the gas trunks; detecting the alcohol content in the gas trunk, which the gas breathed out by the tested person goes through, obtaining a detection signal; and judging whether the alcohol content represented by the detection signal exceeds the standard or not. Compared to the prior art, in the alcohol detection method provided by the invention, through controlling the on / off of several gas trunks, gases breathed out by two tested persons, who are tested in different time periods, enter different gas trucks, then the gases can be individually detected; while in the prior art, after each test is finished, a time interval needs to be saved to wait for that the tested gas in the trunk returns to zero, namely returns to the normal state; so the test efficiency is improved.

Description

technical field [0001] The present application relates to the technical field of alcohol detection, in particular to an alcohol detection method and device. Background technique [0002] At this stage, the traffic police usually use the breath alcohol content detector as a detection tool in the action against drunk driving. play an important role. [0003] The breath alcohol content detector mainly collects and detects the alcohol content contained in the breath exhaled by the subject through the gas channel, and then sends the test results to the processor module for judgment, and finally displays the judgment results by the corresponding display module , for those whose alcohol content exceeds the standard, the alarm module can also output an alarm to remind the tester. [0004] Through research on the prior art, the inventor found that: the existing alcohol content detection method is usually provided with a gas passage, after each test is completed, and before the next...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N33/98
CPCG01N33/48
Inventor 李志刚金鑫高峰郑建利刘柯
Owner HENAN HANWEI ELECTRONICS