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Alcohol gas concentration laser telemetering device

A technology of gas concentration and ethanol, which is applied in measuring devices, color/spectral characteristic measurement, material analysis through optical means, etc., can solve the problem of inability to detect gas alcohol content at a long distance, so as to improve the efficiency of law enforcement and relieve the burden of police and civilians. relationship, and the effect of reducing the use of police force

Inactive Publication Date: 2011-01-05
ANHUI UNION SAFE TECH
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AI Technical Summary

Problems solved by technology

[0004] Aiming at the above-mentioned problem that the prior art cannot detect the alcohol content of the gas at a long distance, the object of the present invention is to provide a laser telemetry device for ethanol gas concentration, which can remotely pre-detect the alcohol content of the air in the vehicle by using the principle of spectrum

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  • Alcohol gas concentration laser telemetering device
  • Alcohol gas concentration laser telemetering device
  • Alcohol gas concentration laser telemetering device

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Embodiment Construction

[0018] Such as figure 1 , 2 , 3, the present invention is made up of laser control and emission system 1 and signal receiving, analysis and display system 2 two parts; Laser control and emission system 1 comprises modulation signal generator 11, laser controller 12, diode laser 13 and laser emission device 14. The modulation signal generator 11 is composed of a signal generator 111 and an additive adder 112 ; the signal generator 111 transmits a sine wave and a sawtooth wave to the additive adder 112 . The laser controller 12 is composed of a diode laser current controller 121 and a laser temperature PID controller 122, the output ends of both are connected with the input end of the diode laser 13, and the output end of the diode laser 13 is connected with the input of the laser emitting device 14. The output terminal of the diode laser 13 is connected to the input terminal of the adder 112. The sine wave and the sawtooth wave are injected into the diode laser 13 after bein...

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Abstract

The invention discloses an alcohol gas concentration laser telemetering device comprising a laser device control and emission system and a signal receiving, analysis and display system, wherein the laser device control and emission system comprises a modulating signal generator which is connected with a laser controller, a diode laser device and a laser emission device in sequence; the signal receiving, analysis and display system comprises a phase lock amplifier, a data acquisition and analysis device, a system display and alarm device and a laser receiving device, wherein the phase lock amplifier is respectively connected with the modulating signal generator, the laser emission device, the data acquisition and analysis device and the laser receiving device; and the output end of the data acquisition and analysis device is connected with the input end of the system display and alarm device. The invention can remotely carry out predetection on alcohol content in the air in a vehicle, thereby improving the pertinence and the accuracy of drunk driving checking, improving the enforcement work efficiency and reducing the police strength application.

Description

technical field [0001] The invention relates to an ethanol gas detection device, in particular to a laser remote measurement device for ethanol gas concentration. Background technique [0002] Driving a motor vehicle under the influence of alcohol is a socially harmful behavior that disregards the personal safety of oneself and others. Tragedy caused by drunk driving occurs every day. The public security traffic management department has also invested a lot of police force in key time periods and locations to investigate this and drunk driving behavior. Driving can only be checked by casting a net, which is not only inefficient, but also affects the normal traffic order. [0003] The traditional alcohol concentration detection instrument - "breath alcohol detector" adopts the principle of electrochemistry, which can accurately detect the alcohol content of the gas. The principle is that when an oxide with N-type conductivity is exposed to the atmosphere, it will reduce the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/39G01N21/01
Inventor 胡辉唐岩
Owner ANHUI UNION SAFE TECH
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