CN201716286U - Device for testing alcohol content in exhaled gas - Google Patents
Device for testing alcohol content in exhaled gas Download PDFInfo
- Publication number
- CN201716286U CN201716286U CN2010201946893U CN201020194689U CN201716286U CN 201716286 U CN201716286 U CN 201716286U CN 2010201946893 U CN2010201946893 U CN 2010201946893U CN 201020194689 U CN201020194689 U CN 201020194689U CN 201716286 U CN201716286 U CN 201716286U
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- China
- Prior art keywords
- fuel cell
- gas
- inlet end
- cell module
- flexible pipe
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- Expired - Fee Related
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- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 title claims abstract description 25
- 238000012360 testing method Methods 0.000 title abstract description 9
- 239000000446 fuel Substances 0.000 claims abstract description 52
- 238000009434 installation Methods 0.000 claims abstract description 10
- 230000000740 bleeding effect Effects 0.000 claims description 6
- 238000005259 measurement Methods 0.000 claims description 6
- 238000007790 scraping Methods 0.000 claims description 4
- 230000007797 corrosion Effects 0.000 claims description 2
- 238000005260 corrosion Methods 0.000 claims description 2
- 229920001296 polysiloxane Polymers 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 12
- 238000006243 chemical reaction Methods 0.000 abstract description 7
- 238000009833 condensation Methods 0.000 abstract description 7
- 238000001514 detection method Methods 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000005494 condensation Effects 0.000 abstract description 2
- 239000012535 impurity Substances 0.000 abstract description 2
- 230000007246 mechanism Effects 0.000 abstract description 2
- 210000004027 cell Anatomy 0.000 abstract 4
- 238000007664 blowing Methods 0.000 abstract 2
- 210000003850 cellular structure Anatomy 0.000 abstract 2
- 238000005086 pumping Methods 0.000 abstract 2
- 238000013461 design Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000002184 metal Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000036647 reaction Effects 0.000 description 2
- 238000004078 waterproofing Methods 0.000 description 2
- 125000002015 acyclic group Chemical group 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000002925 chemical effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000012353 t test Methods 0.000 description 1
Landscapes
- Fuel Cell (AREA)
- Investigating Or Analysing Biological Materials (AREA)
Abstract
The utility model discloses a device for testing the alcohol content in exhaled gas, which has anti-condensation function and can ensure the detection precision and prolong the service life of a fuel cell. The device comprises a blowing tube, a fuel cell component and a gas pressure sensor; the device further comprises a circulating pump for gas pumping, the pump comprises the gas inlet end and the gas outlet end, and the gas inlet end is connected with a gas outlet hole of the fuel cell component through a hose; and the gas outlet end is communicated the external part of an alcohol detection device through a gas pipeline. The scheme can firstly lead the gas pumping amount to be very precise and greatly improve the precision of alcohol detection, secondly lead gas to be sampled in the blowing tube to enter into a reaction chamber of the fuel cell via a gas inlet mouth, directly exhaust the gas in the original reaction chamber to the outside of a machine through the circulating pump, avoid leaving the residues of water vapor and other impurities in the sampled gas in the reaction chamber of the fuel cell, and thoroughly solve the condensation problem of the fuel cell; in addition, the mechanism further has the advantages of small and compact structure, reasonable layout and convenient installation.
Description
Technical field
The utility model relates to a kind of alcoholicity of exhaled gas detecting instrument.
Background technology
As far back as 1830s, people have just found the effectiveness of fuel cell, and set about studying its application in some industry.1972, fuel cell began to measure as the sensor of alcohol content tester the alcohol content of breath.Last century middle nineteen seventies, the alcohol content tester of feulcell prototype is formally sold on market as measurement instrument.Originally Shang Shi type can only show measurement by, not by or the sound prompting of giving a warning, and numerical analysis for up to several minutes, also can not follow-on test, per hour also can only measure about five or six times.Alcohol content tester the market of going through for three more than ten years eliminate with temper after, in research and development, obtained significant progress, every performance has all had and has significantly improved.But still there are many technological difficulties in alcohol content tester, and for the manufacturer of each alcohol content tester, the solution of these problems all has very important effect.For example the performance under the low temperature below 0 ℃ is to allow numerous research staff stubborn problem the most, and another technical barrier that is troubling the sector for a long time is a fuel cell water inlet problem.Anatomize, the fuel cell water inlet mainly is following three kinds of reasons: the first, and the aqueous water that blows out in mouthful is extracted into the fuel cell in blowpipe by pump.Second, fuel cell is in the low temperature environment below 10 ℃, the gas that is blown in the alcohol content tester just might produce the dewfall phenomenon because of condensation, thereby this is to have steam to separate out because the saturation degree of temperature reduction water vapour also reduces the gas that causes entering fuel cell.The 3rd, chemical reaction takes place in fuel cell alcohol also can produce water.If the steam that these machineries, physics or chemical effect forms can not in time volatilize or decompose, the interior moisture content of fuel cell will be cumulative, thereby have a strong impact on its reactivity worth, causes the measurement result distortion, even cause the situation that can't test.
The principle of steam volatilization when utilizing heating, added well heater in present stage a lot of alcohol content testers, make fuel cell and gas circuit can both keep temperature constant state, and the influence that prevents temperature fluctuation add that also temperature sensors of high precision regulates test value under the different temperature difference in the temperature compensation mode.This method is feasible, but one needs bigger dimensional space to lay well heater, its two well heater needs a large amount of electric energy to keep constant temperature, in its three heating process in the environment temperature different temperature fields temperature conditions of each point also variant, be temperature sensor can not all be monitored out really fuel cell under all scenario temperature, even also there is temperature contrast in the fuel battery inside each point.
By analysis the reason that steam can not in time volatilize away in the fuel cell be because present stage alcohol content tester extraction sector all be to adopt elastomeric pump or metal pump, thereby utilize electromagnet to drive axle gun generation vacuum formation negative pressure and reach the purpose of bleeding, this air-exhaust method, the body of bleeding all is enclosed in the fuel cell gas circuit afterwards, the steam that forms in the fuel cell also can only lead to tiny air admission hole slowly discharges, just be difficult to discharge when humidity is big when a large amount of steam or in the air, caused the inefficacy of fuel cell.
The utility model content
At the problems referred to above, the utility model aims to provide a kind of that have an anti-condensation water function and can guarantee accuracy of detection, prolong the fuel cell alcoholicity of exhaled gas proving installation in serviceable life.
For realizing this technical purpose, scheme of the present utility model is: a kind of alcoholicity of exhaled gas proving installation comprises blowpipe, fuel cell module, baroceptor; Described fuel cell module is provided with air admission hole, venthole and pressure port; Blowpipe is connected in the air admission hole of fuel cell module by flexible pipe, and baroceptor is connected in the pressure port of fuel cell module by flexible pipe; Described device also comprises the ebullator of the usefulness of bleeding, and this pump is equipped with inlet end and outlet side, and inlet end is connected with the venthole of fuel cell module by flexible pipe; The outlet side is communicated to the alcohol detecting device outside by gas piping.
For guaranteeing the alcohol screen test precision, scraping blade pump or volume pump that described ebullator is stability of flow, accurate measurement, load noise is low.
For further strengthening anti-condensation water effect, the flexible pipe that described ebullator inlet end connects the fuel cell venthole is corrosion-resistant silicone tube.
As further improvement, described ebullator inlet end connects and is serially connected with a two-way valve that can pilot piping opens and closes on the flexible pipe of fuel cell venthole.
This programme adopts ebullator to bleed, and its beneficial effect is: at first rate of air sucked in required is very accurate, has improved the precision of alcohol detection greatly; Secondly the sample gas for the treatment of in the blowpipe is entered in the fuel cell reaction cabin by admission piece, gas in the former reaction cabin is directly by outside the ebullator discharge machine, that is to say that gas is that flow rather than airtight in gas circuit, therefore the impurity such as steam in the sample gas can not residue in the fuel cell reaction cabin, have thoroughly solved fuel cell and have coagulated water problems; This mechanism also has compact, rationally distributed, easy for installation in addition.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further details.
As shown in Figure 1, the alcoholicity of exhaled gas proving installation that the utility model relates to includes fuel cell module 5, fuel cell module 5 is used for taking place the electrochemical reaction of alcohol, according to the corresponding micro-current of how many generations of alcohol amount, the degree of accuracy that therefore is extracted into 5 li gas sample volumes of fuel cell module is very crucial.
Fuel cell module has an air admission hole 4, is connected with admission piece 2 with air admission hole 4 by flexible pipe 3, is communicated with blowpipe 1 with admission piece 2, and these three elements have constituted the air inlet gas circuit of fuel cell when bleeding.The air inlet gas circuit should be unobstructed, has waterproofing design.Air inlet gas circuit material therefor adopts the little proprietary material of thermal capacity, can not use metal especially, avoids the dewfall phenomenon to produce so to greatest extent.Structural waterproofing design and employing avoid the proprietary material of dewfall to embody the principle that fuel cell module water inlet problem is prevented in advance.
The baroceptor 7 that links to each other with the pressure port 6 of fuel cell module 5, the variation of monitoring blow gas pressure, (corresponding to the gas of certain flow) aspiration pump is blown after the blow gas pressure that meets the requirements reaches the fixed time.
The venthole 8 of fuel cell module 5 is connected with the inlet end of ebullator 10, and between is serially connected with a specific function two-way valve 9 sometimes, can pilot piping opens and closes the straight-through instrument outside of tracheae of running in, ebullator 10 outlet sides.These key elements constitute the exhaust gas circuit of fuel cell when bleeding.The exhaust gas circuit should be able to satisfy the principle of rapid exhaust, and steam is discharged to the instrument outside in the gas circuit, does not gather, and has increased the reliability and the serviceable life of fuel cell module 5.
Ebullator 10 adopts scraping blade pump or other volume pump that meets the demands, because scraping blade pump etc. has characteristics such as stability of flow, accurate measurement, load noise be low, the consistance of sample volume has effectively guaranteed to bleed, and then guaranteed the precision of alcohol screen test, this is one of advantage of the present utility model, high precision.Foregoing waterproof construction is avoided the dewfall material, designs such as steam passing away, adopt anti-with control the method for working along both lines, make that steam produces less in the fuel cell, easily discharge, this is two of an advantage of the present utility model, anti-condensation water.
Core of the present utility model replaces acyclic pumps such as traditional elastomeric pump, metal pump for adopting ebullator as aspiration pump, and gas is realized flowing but not is airtight.In the fuel cell type alcohol detector of top grade, use this utility model, can promote the measuring accuracy and the reliability of alcohol content tester greatly, make designed alcohol detection instrument can be used as qualified even outstanding police and use with the law enforcement instrument.Current control drunk driving situation is very severe, police on duty turns out for work at every turn all will check big driver severely, under objective realities such as test speed, more testing time, more accurate test result, longer serviceable life, higher reliability require faster, the alcohol content tester of the anti-condensation water of high precision is answered luck and is given birth to, and becomes a kind of highly reliable design proposal that satisfies existing situation.
The above; it only is preferred embodiment of the present utility model; not in order to restriction the utility model, every foundation technical spirit of the present utility model to any trickle modification that above embodiment did, be equal to and replace and improve, all should be included within the protection domain of technical solutions of the utility model.
Claims (4)
1. an alcoholicity of exhaled gas proving installation comprises blowpipe, fuel cell module, baroceptor; Described fuel cell module is provided with air admission hole, venthole and pressure port; Blowpipe is connected in the air admission hole of fuel cell module by flexible pipe, and baroceptor is connected in the pressure port of fuel cell module by flexible pipe; It is characterized in that: described device also comprises the ebullator of the usefulness of bleeding, and this pump is equipped with inlet end and outlet side, and inlet end is connected with the venthole of fuel cell module by flexible pipe; The outlet side is communicated to the alcohol detecting device outside by gas piping.
2. proving installation according to claim 1 is characterized in that: scraping blade pump or volume pump that described ebullator is stability of flow, accurate measurement, load noise is low.
3. proving installation according to claim 2 is characterized in that: the flexible pipe that described ebullator inlet end connects the fuel cell venthole is corrosion-resistant silicone tube.
4. according to each described proving installation in the claim 1 to 3, it is characterized in that: described ebullator inlet end connects and is serially connected with a two-way valve that can pilot piping opens and closes on the flexible pipe of fuel cell venthole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201946893U CN201716286U (en) | 2010-05-12 | 2010-05-12 | Device for testing alcohol content in exhaled gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201946893U CN201716286U (en) | 2010-05-12 | 2010-05-12 | Device for testing alcohol content in exhaled gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201716286U true CN201716286U (en) | 2011-01-19 |
Family
ID=43462291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201946893U Expired - Fee Related CN201716286U (en) | 2010-05-12 | 2010-05-12 | Device for testing alcohol content in exhaled gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201716286U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103630589A (en) * | 2013-12-18 | 2014-03-12 | 陈新 | Alcohol test device |
| CN104020280A (en) * | 2014-06-19 | 2014-09-03 | 南京机电职业技术学院 | Alcohol tester |
| CN110763851A (en) * | 2019-10-30 | 2020-02-07 | 汉威科技集团股份有限公司 | Airway zero-resetting type alcohol tester and detection method thereof |
| CN116660509A (en) * | 2023-06-01 | 2023-08-29 | 青岛瑞谱乐医疗科技有限公司 | Exhaled gas detection method |
-
2010
- 2010-05-12 CN CN2010201946893U patent/CN201716286U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103630589A (en) * | 2013-12-18 | 2014-03-12 | 陈新 | Alcohol test device |
| CN104020280A (en) * | 2014-06-19 | 2014-09-03 | 南京机电职业技术学院 | Alcohol tester |
| CN104020280B (en) * | 2014-06-19 | 2016-03-30 | 南京机电职业技术学院 | A kind of alcohol testing device |
| CN110763851A (en) * | 2019-10-30 | 2020-02-07 | 汉威科技集团股份有限公司 | Airway zero-resetting type alcohol tester and detection method thereof |
| CN110763851B (en) * | 2019-10-30 | 2024-01-12 | 汉威科技集团股份有限公司 | Airway zero resetting type alcohol tester and detection method thereof |
| CN116660509A (en) * | 2023-06-01 | 2023-08-29 | 青岛瑞谱乐医疗科技有限公司 | Exhaled gas detection method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: KEYUN TECHNOLOGY (SHENZHEN) CO., LTD. Free format text: FORMER OWNER: CHEN XIN Effective date: 20120905 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 518000 SHENZHEN, GUANGDONG PROVINCE TO: 518055 SHENZHEN, GUANGDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20120905 Address after: 518055, Shenzhen, Guangdong, Nanshan District province Taoyuan street, Tai Ping Industrial Park, 8 floor, north of the 5 floor Patentee after: Shenzhen Keyun Science & Technology Co., Ltd. Address before: 3, building 11, 518000 light tea industrial zone, Shahe West Road, Shenzhen, Guangdong, Nanshan District Patentee before: Chen Xin |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110119 Termination date: 20130512 |