CN207717772U - Alcohol content of exhalation gas detection device based on double alcohol sensors and double sampled gas circuit - Google Patents
Alcohol content of exhalation gas detection device based on double alcohol sensors and double sampled gas circuit Download PDFInfo
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- CN207717772U CN207717772U CN201721876848.6U CN201721876848U CN207717772U CN 207717772 U CN207717772 U CN 207717772U CN 201721876848 U CN201721876848 U CN 201721876848U CN 207717772 U CN207717772 U CN 207717772U
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Abstract
The utility model provides a kind of alcohol content of exhalation gas detection device based on double alcohol sensors and double sampled gas circuit, including shell, the hull outside is provided with button, LCD display, air inlet and gas outlet, the case inside is provided with setting air blowing gas circuit, evidence obtaining alcohol detection submodule, fast row's alcohol detection submodule, microcontroller and power circuit, the both ends of air blowing gas circuit and is separately connected air inlet and gas outlet；Button is used for microcontroller input detection instruction, and the fast alcohol gas information acquisition for arranging alcohol detection submodule for acquiring in air blowing gas circuit arranges alcohol electric signal and is sent to microcontroller soon；Evidence obtaining alcohol detection submodule is used to acquire the alcohol gas acquisition evidence obtaining alcohol electric signal in air blowing gas circuit and is sent to microcontroller；Microcontroller obtains alcoholicity of exhaled gas according to fast row's alcohol electric signal or evidence obtaining alcohol electric signal and is shown by LCD display according to the fast row's alcohol detection submodule of detection instruction control or evidence obtaining alcohol detection submodule work.
Description
Technical field
The utility model is related to a kind of alcohol content of exhalation gas detection devices, specifically, relate to a kind of based on double alcohol
The alcohol content of exhalation gas detection device of sensor and double sampled gas circuit.
Background technology
At present traffic police alcohol detecting device be divided into two major classes：One major class is the alcohol detecting device of evidence obtaining, this
Device advantage is that result precision is higher, the disadvantage is that often sampling is once required for replacing blowpipe, cost is higher, and in order to ensure
Accuracy, the sampling time of blowing is longer, and the interpretation of result time is also grown, and causes detection efficiency low, in night peak period, because
Drunk driving detection efficiency is low, first, detection is fewer in number in the unit interval, second is that being likely to result in traffic congestion.Another major class is quickly to arrange
Alcohol content tester is looked into, this device advantage is need not to replace blowpipe, and testing cost is relatively low, is in addition that detection is rapid, detection efficiency
It is higher, it is suitble to traffic police to look into drunk driving during traffic peak, it is smaller to traffic impact；The disadvantage is that quickly investigation class accuracy is relatively low.
There is an urgent need to a kind of alcohol detecting devices for the advantages of capable of being provided simultaneously with both alcohol detecting devices by people.
In order to solve the above problems, people are seeking always a kind of ideal technical solution.
Invention content
The purpose of this utility model be in view of the deficiencies of the prior art, to provide it is a kind of based on double alcohol sensors and
The alcohol content of exhalation gas detection device of double sampled gas circuit.
To achieve the goals above, technical solution used by the utility model is：One kind based on double alcohol sensors and
The alcohol content of exhalation gas detection device of double sampled gas circuit, including shell, the hull outside be provided with button, LCD display, into
Gas port and gas outlet, the case inside are provided with setting air blowing gas circuit, evidence obtaining alcohol detection submodule, fast row's alcohol detection
The both ends of module, microcontroller and power circuit, the air blowing gas circuit are separately connected the air inlet and the gas outlet；It is described to press
Key is used to input detection instruction to the microcontroller, and fast row's alcohol detection submodule is for acquiring in the air blowing gas circuit
Alcohol gas information acquisition arranges alcohol electric signal and is sent to microcontroller soon；The evidence obtaining alcohol detection submodule is described for acquiring
Alcohol gas in air blowing gas circuit obtains evidence obtaining alcohol electric signal and is sent to microcontroller；The microcontroller is according to detection instruction control
Fast row's alcohol detection submodule or evidence obtaining alcohol detection submodule work, and according to fast row's alcohol electric signal
Or the evidence obtaining alcohol electric signal obtains alcoholicity of exhaled gas and is shown by the LCD display.
Based on above-mentioned, the air blowing gas circuit includes L-type blowpipe and the partition board that is arranged in L-type blowpipe, wherein the partition board
On be provided with separation through-hole；Above the L-type blowpipe partition board the first thieff hatch, the second thieff hatch, the L-type are provided on tube wall
It is provided with third thieff hatch on tube wall below blowpipe partition board, wherein second thieff hatch connects fast row's alcohol detection submodule
Block, second thieff hatch and the third thieff hatch are separately connected the evidence obtaining gaseous alcohol detection sub-module.
Based on above-mentioned, fast row's alcohol detection submodule includes fast row's alcohol sensor, fast row's alcohol collecting unit, institute
State the fast discharge stomata of fast row's alcohol sensor signal processing circuit and setting on the housing, fast row's alcohol acquisition
Unit is evacuated by second thieff hatch to fast row's alcohol sensor according to the control instruction of the microcontroller；It is described fast
It arranges alcohol sensor and connects fast row's alcohol sensor signal processing circuit, fast row's wine is generated for detecting alcohol gas concentration
Smart electric signal is sent to microcontroller；Fast row's alcohol collecting unit is also connected with the fast discharge stomata, described fast for being discharged
Arrange the alcohol gas in alcohol sensor.
Based on above-mentioned, the evidence obtaining alcohol detection submodule include blow gas pressure detection circuit, evidence obtaining alcohol collecting unit,
Evidence obtaining alcohol sensor, the evidence obtaining venthole of evidence obtaining alcohol sensor signal processing circuit and setting on the housing, institute
It states blow gas pressure detection circuit the gas pressure in the air blowing gas circuit is acquired by second thieff hatch and be sent to the list
Piece machine；The evidence obtaining alcohol collecting unit is connect with the microcontroller, passes through described according to the control instruction of the microcontroller
Three thieff hatch extract alcohol gas into the evidence obtaining alcohol sensor, and the evidence obtaining alcohol sensor connects the evidence obtaining alcohol
Sensor signal processing circuit is sent to microcontroller for detecting alcohol gas concentration and generating evidence obtaining alcohol electric signal；It is described
Evidence obtaining alcohol collecting unit is also connected with the evidence obtaining venthole, for the alcohol gas in the evidence obtaining alcohol sensor to be discharged.
Based on above-mentioned, the alcohol content of exhalation gas detection device further includes sound light alarming circuit, the sound light alarming circuit
The microcontroller is connected, for sending out sound-light alarm when the alcoholicity of exhaled gas is more than default alcohol threshold value.
Based on above-mentioned, position positioning circuit is additionally provided in the shell, the position positioning circuit is described for positioning
The real-time position information of alcohol content of exhalation gas detection device is sent to the microcontroller.
Based on above-mentioned, GPRS network data transmission system, the GPRS network data transmission are additionally provided in the shell
The real-time position information for the alcoholicity of exhaled gas and the alcohol content of exhalation gas detection device that system is used to measure uploads
To server.
The utility model has substantive features and progress compared with the prior art, and specifically, the utility model is based on double
The design of alcohol sensor and double sampled gas circuit so that the alcohol content of exhalation gas detection device both may be implemented quickly to investigate wine
Essence detection can also realize the higher evidence obtaining detection of precise requirements.Other two sets of detection patterns can switch, and facilitate traffic police's root
Different test patterns is used according to different situation selections, improves alcohol detection efficiency.
Description of the drawings
Fig. 1 is the principles of the present invention block diagram.
Fig. 2 is the front view of the utility model shell.
Fig. 3 is the structure left view schematic diagram of the utility model air blowing gas circuit.
In figure, 1. air inlets；2. the first thieff hatch；3. the second thieff hatch；4. partition board；5. third thieff hatch；6. venthole；
7. discharge stomata soon；8. venthole of collecting evidence；9.LCD display screens；10. button.
Specific implementation mode
Below by specific implementation mode, the technical solution of the utility model is described in further detail.
As depicted in figs. 1 and 2, a kind of to be filled based on double alcohol sensors and the detection of the alcohol content of exhalation gas of double sampled gas circuit
It sets, including shell, the hull outside is provided with button 10, LCD display 9, air inlet 1 and gas outlet 6, the case inside
It is provided with setting air blowing gas circuit, evidence obtaining alcohol detection submodule, fast row's alcohol detection submodule, microcontroller, power circuit harmony
Optical alarm circuit, the power circuit are used for the evidence obtaining alcohol detection submodule, fast row's alcohol detection submodule, institute
State button 10, the LCD display 9, the microcontroller and sound light alarming circuit power supply, the both ends point of the air blowing gas circuit
The air inlet 1 and the gas outlet 6 are not connected；The button 10 is used to input detection instruction to the microcontroller, described fast
Alcohol gas information acquisition of row's alcohol detection submodule for acquiring in the air blowing gas circuit is arranged alcohol electric signal and is sent to soon
The microcontroller；The evidence obtaining alcohol detection submodule is used to acquire the alcohol gas in the air blowing gas circuit and obtains evidence obtaining alcohol
Electric signal is sent to the microcontroller；The microcontroller is instructed according to detection controls fast row's alcohol detection submodule or described
Alcohol detection submodule of collecting evidence works, and is breathed out according to fast row's alcohol electric signal or the evidence obtaining alcohol electric signal
Gaseous alcohol content is simultaneously shown by the LCD display 9；The sound light alarming circuit connects the microcontroller, is used for
Sound-light alarm is sent out when the alcoholicity of exhaled gas is more than default alcohol threshold value.
Specifically, as shown in figure 3, the air blowing gas circuit includes L-type blowpipe and the partition board 4 that is arranged in L-type blowpipe,
In, separation through-hole is provided on the partition board 4；It is provided with the first thieff hatch 2, second on the 4 top tube wall of L-type blowpipe partition board
Thieff hatch 3 is provided with third thieff hatch 5 on the 4 lower section tube wall of L-type blowpipe partition board, wherein second thieff hatch 3 connects institute
Fast row's alcohol detection submodule is stated, second thieff hatch 3 and the third thieff hatch 5 are separately connected the evidence obtaining gaseous alcohol
Detection sub-module.
Specifically, fast row's alcohol detection submodule includes fast row's alcohol sensor, arranges alcohol collecting unit soon, is described
The fast discharge stomata 7 of fast row's alcohol sensor signal processing circuit and setting on the housing, fast row's alcohol acquisition
Unit is evacuated by second thieff hatch 3 to fast row's alcohol sensor according to the control instruction of the microcontroller；It is described
Fast row's alcohol sensor connects fast row's alcohol sensor signal processing circuit, and fast row is generated for detecting alcohol gas concentration
Alcohol electric signal is sent to microcontroller；Fast row's alcohol collecting unit is also connected with the fast discharge stomata 7, described for being discharged
Alcohol gas in fast row's alcohol sensor.
Preferably, fast row's alcohol collecting unit includes air pump active extract system and air pump driving circuit, passes through gas
Pump is quick, actively extracts more exhaled gas, is suitable for the application scenario of quickly investigation alcohol content of exhalation gas detection, and is not required to
Blowpipe is wanted, cost has been greatly saved.
Specifically, the evidence obtaining alcohol detection submodule includes blow gas pressure detection circuit, evidence obtaining alcohol collecting unit, takes
Alcohol sensor, the evidence obtaining venthole 8 of evidence obtaining alcohol sensor signal processing circuit and setting on the housing are demonstrate,proved, it is described
Blow gas pressure detection circuit acquires the gas pressure in the air blowing gas circuit by second thieff hatch 3 and is sent to the monolithic
Machine；The evidence obtaining alcohol collecting unit is connect with the microcontroller, passes through the third according to the control instruction of the microcontroller
Thieff hatch 5 extracts alcohol gas into the evidence obtaining alcohol sensor, and the evidence obtaining alcohol sensor connects the evidence obtaining alcohol
Sensor signal processing circuit is sent to microcontroller for detecting alcohol gas concentration and generating evidence obtaining alcohol electric signal；It is described
Evidence obtaining alcohol collecting unit is also connected with the evidence obtaining venthole 8, for the alcohol gas in the evidence obtaining alcohol sensor to be discharged.
In practical applications, only when the blow gas pressure detection circuit detects that gas pressure and duration reach special
When periodically long, the microcontroller can just control the evidence obtaining alcohol collecting unit work, be taken out into the evidence obtaining alcohol sensor
Take quantitative alcohol gas.
Preferably, the evidence obtaining alcohol collecting unit is electromagnet+airbag gas sampling system, samples same volume every time
Exhaled gas.
To ensure that measurement accuracy, the evidence obtaining alcohol detection submodule need to completely cut off air, that is, need to combine mounted on institute
The blowpipe for stating air inlet 1 carries out sampling alcohol gas sampling.
Wherein, it should be noted that fast row's alcohol sensor and the evidence obtaining alcohol sensor can be same
The alcohol sensor of type can also be different types of alcohol sensor.
Fast row's alcohol detection submodule and the evidence obtaining alcohol detection submodule can be used separately, can also be together
It uses, i.e., is first quickly investigated with fast row's alcohol detection submodule, after finding the driver for the suspicion of drinking, then using evidence obtaining
Alcohol detection submodule carries out alcohol detection, to judge that specific alcohol concentration, judgement are drinking drive or drink-driving.
Preferably, position positioning circuit and GPRS network data transmission system, the position are additionally provided in the shell
Positioning circuit is used to position the real-time position information of the alcohol content of exhalation gas detection device, is sent to the microcontroller；It is described
Alcoholicity of exhaled gas and the alcohol content of exhalation gas detection device of the GPRS network data transmission system for that will measure
Real-time position information is uploaded onto the server.
Design of the utility model based on double alcohol sensors and double sampled gas circuit so that the alcohol content of exhalation gas detection
Device both may be implemented quickly to investigate alcohol detection, can also realize the higher evidence obtaining detection of precise requirements.Other two sets of inspections
Survey pattern can switch, and facilitate traffic police to use different test patterns according to different situation selections, improve alcohol detection effect
Rate.
Finally it should be noted that:Above example is only to illustrate the technical solution of the utility model rather than limits it
System；Although the utility model is described in detail with reference to preferred embodiment, those of ordinary skill in the art should
Understand：It can still modify to specific embodiment of the present utility model or some technical characteristics are equally replaced
It changes；Without departing from the spirit of technical solutions of the utility model, should all cover in the claimed technical solution of the utility model
In range.
Claims (7)
1. a kind of alcohol content of exhalation gas detection device based on double alcohol sensors and double sampled gas circuit, it is characterised in that：Including
Shell, the hull outside are provided with button, LCD display, air inlet and gas outlet, and the case inside is provided with setting and blows
Gas gas circuit, evidence obtaining alcohol detection submodule, fast row's alcohol detection submodule, microcontroller and power circuit, the air blowing gas circuit
Both ends are separately connected the air inlet and the gas outlet；The button is used to input detection instruction to the microcontroller, described
Fast row's alcohol detection submodule is used to acquire the alcohol gas information acquisition in the air blowing gas circuit and arranges the transmission of alcohol electric signal soon
To the microcontroller；The evidence obtaining alcohol detection submodule is used to acquire the alcohol gas in the air blowing gas circuit and obtains evidence obtaining wine
Smart electric signal is sent to microcontroller；The microcontroller controls fast row's alcohol detection submodule according to detection instruction or described takes
The work of alcohol detection submodule is demonstrate,proved, and expiratory air is obtained according to fast row's alcohol electric signal or the evidence obtaining alcohol electric signal
Body alcohol content, and shown by the LCD display.
2. the alcohol content of exhalation gas detection device according to claim 1 based on double alcohol sensors and double sampled gas circuit,
It is characterized in that：The air blowing gas circuit includes L-type blowpipe and the partition board that is arranged in L-type blowpipe, wherein is arranged on the partition board
There is separation through-hole；Be provided with the first thieff hatch, the second thieff hatch above the L-type blowpipe partition board on tube wall, the L-type blowpipe every
It is provided with third thieff hatch on tube wall below plate, wherein second thieff hatch connects fast row's alcohol detection submodule, institute
It states the second thieff hatch and the third thieff hatch is separately connected the evidence obtaining gaseous alcohol detection sub-module.
3. the alcohol content of exhalation gas detection device according to claim 2 based on double alcohol sensors and double sampled gas circuit,
It is characterized in that：Fast row's alcohol detection submodule includes fast row's alcohol sensor, fast row's alcohol collecting unit, the fast row
The fast discharge stomata of alcohol sensor signal processing circuit and setting on the housing, fast row's alcohol collecting unit root
It is evacuated to fast row's alcohol sensor by second thieff hatch according to the control instruction of the microcontroller；Fast row's alcohol
Sensor connects fast row's alcohol sensor signal processing circuit, and fast row's alcohol telecommunications is generated for detecting alcohol gas concentration
Number it is sent to microcontroller；Fast row's alcohol collecting unit is also connected with the fast discharge stomata, for fast row's alcohol to be discharged
Alcohol gas in sensor.
4. the alcohol content of exhalation gas detection device according to claim 2 based on double alcohol sensors and double sampled gas circuit,
It is characterized in that：The evidence obtaining alcohol detection submodule includes blow gas pressure detection circuit, evidence obtaining alcohol collecting unit, evidence obtaining wine
Smart sensor, the evidence obtaining venthole of evidence obtaining alcohol sensor signal processing circuit and setting on the housing, the air blowing
Pressure detection circuit acquires the gas pressure in the air blowing gas circuit by second thieff hatch and is sent to the microcontroller；Institute
It states evidence obtaining alcohol collecting unit to connect with the microcontroller, the third thieff hatch is passed through according to the control instruction of the microcontroller
Alcohol gas is extracted into the evidence obtaining alcohol sensor, the evidence obtaining alcohol sensor connects the evidence obtaining alcohol sensor letter
Number processing circuit is sent to microcontroller for detecting alcohol gas concentration and generating evidence obtaining alcohol electric signal；The evidence obtaining alcohol
Collecting unit is also connected with the evidence obtaining venthole, for the alcohol gas in the evidence obtaining alcohol sensor to be discharged.
5. being examined based on double alcohol sensors and the alcohol content of exhalation gas of double sampled gas circuit according to claim 1-4 any one of them
Survey device, it is characterised in that：The alcohol content of exhalation gas detection device further includes sound light alarming circuit, the sound light alarming circuit
The microcontroller is connected, for sending out sound-light alarm when the alcoholicity of exhaled gas is more than default alcohol threshold value.
6. the alcohol content of exhalation gas detection device according to claim 5 based on double alcohol sensors and double sampled gas circuit,
It is characterized in that：Position positioning circuit is additionally provided in the shell, the position positioning circuit is for positioning the expiratory air
The real-time position information of body alcohol detecting device is sent to the microcontroller.
7. the alcohol content of exhalation gas detection device according to claim 6 based on double alcohol sensors and double sampled gas circuit,
It is characterized in that：GPRS network data transmission system is additionally provided in the shell, the GPRS network data transmission system is used
In the real-time position information of the alcoholicity of exhaled gas measured and the alcohol content of exhalation gas detection device is uploaded to service
Device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721876848.6U CN207717772U (en) | 2017-12-28 | 2017-12-28 | Alcohol content of exhalation gas detection device based on double alcohol sensors and double sampled gas circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721876848.6U CN207717772U (en) | 2017-12-28 | 2017-12-28 | Alcohol content of exhalation gas detection device based on double alcohol sensors and double sampled gas circuit |
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| Publication Number | Publication Date |
|---|---|
| CN207717772U true CN207717772U (en) | 2018-08-10 |
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| CN201721876848.6U Active CN207717772U (en) | 2017-12-28 | 2017-12-28 | Alcohol content of exhalation gas detection device based on double alcohol sensors and double sampled gas circuit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107991473A (en) * | 2017-12-28 | 2018-05-04 | 汉威科技集团股份有限公司 | Alcohol content of exhalation gas detection device based on double alcohol sensors and double sampled gas circuit |
| WO2022246775A1 (en) * | 2021-05-24 | 2022-12-01 | 无锡职业技术学院 | Portable blowing type alcohol concentration measuring device and measuring method |
-
2017
- 2017-12-28 CN CN201721876848.6U patent/CN207717772U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107991473A (en) * | 2017-12-28 | 2018-05-04 | 汉威科技集团股份有限公司 | Alcohol content of exhalation gas detection device based on double alcohol sensors and double sampled gas circuit |
| CN107991473B (en) * | 2017-12-28 | 2024-06-04 | 汉威科技集团股份有限公司 | Expired air alcohol detection device based on double alcohol sensor and double sampling gas circuit |
| WO2022246775A1 (en) * | 2021-05-24 | 2022-12-01 | 无锡职业技术学院 | Portable blowing type alcohol concentration measuring device and measuring method |
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