CN101491440A - Carbon dioxide gas collection device - Google Patents
Carbon dioxide gas collection device Download PDFInfo
- Publication number
- CN101491440A CN101491440A CNA2008100656674A CN200810065667A CN101491440A CN 101491440 A CN101491440 A CN 101491440A CN A2008100656674 A CNA2008100656674 A CN A2008100656674A CN 200810065667 A CN200810065667 A CN 200810065667A CN 101491440 A CN101491440 A CN 101491440A
- Authority
- CN
- China
- Prior art keywords
- cavity
- carbon dioxide
- dioxide gas
- detection window
- gas collection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims abstract description 98
- 229910002092 carbon dioxide Inorganic materials 0.000 title claims abstract description 49
- 239000001569 carbon dioxide Substances 0.000 title claims abstract description 49
- 238000001514 detection method Methods 0.000 claims abstract description 38
- 239000012528 membrane Substances 0.000 claims description 14
- 239000000839 emulsion Substances 0.000 claims description 10
- 230000001939 inductive effect Effects 0.000 claims description 4
- 238000002835 absorbance Methods 0.000 claims description 2
- 238000010521 absorption reaction Methods 0.000 abstract description 5
- 239000002250 absorbent Substances 0.000 description 7
- 230000002745 absorbent Effects 0.000 description 7
- 238000005267 amalgamation Methods 0.000 description 3
- VFLDPWHFBUODDF-FCXRPNKRSA-N curcumin Chemical compound C1=C(O)C(OC)=CC(\C=C\C(=O)CC(=O)\C=C\C=2C=C(OC)C(O)=CC=2)=C1 VFLDPWHFBUODDF-FCXRPNKRSA-N 0.000 description 2
- KJFMBFZCATUALV-UHFFFAOYSA-N phenolphthalein Chemical compound C1=CC(O)=CC=C1C1(C=2C=CC(O)=CC=2)C2=CC=CC=C2C(=O)O1 KJFMBFZCATUALV-UHFFFAOYSA-N 0.000 description 2
- SPSSULHKWOKEEL-UHFFFAOYSA-N 2,4,6-trinitrotoluene Chemical compound CC1=C([N+]([O-])=O)C=C([N+]([O-])=O)C=C1[N+]([O-])=O SPSSULHKWOKEEL-UHFFFAOYSA-N 0.000 description 1
- LDKDGDIWEUUXSH-UHFFFAOYSA-N Thymophthalein Chemical compound C1=C(O)C(C(C)C)=CC(C2(C3=CC=CC=C3C(=O)O2)C=2C(=CC(O)=C(C(C)C)C=2)C)=C1C LDKDGDIWEUUXSH-UHFFFAOYSA-N 0.000 description 1
- QQGLQYQXUKHWPX-BXLHIMNRSA-N [(2s,3r,4s,5s,6r)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl] (1e)-2-phenyl-n-sulfooxyethanimidothioate Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1S\C(=N\OS(O)(=O)=O)CC1=CC=CC=C1 QQGLQYQXUKHWPX-BXLHIMNRSA-N 0.000 description 1
- QQGLQYQXUKHWPX-SUYBVFMFSA-N benzyl glucosinolate Natural products S(=O)(=O)(O/N=C(/S[C@@H]1[C@@H](O)[C@H](O)[C@@H](O)[C@H](CO)O1)\Cc1ccccc1)O QQGLQYQXUKHWPX-SUYBVFMFSA-N 0.000 description 1
- 229940109262 curcumin Drugs 0.000 description 1
- 235000012754 curcumin Nutrition 0.000 description 1
- 239000004148 curcumin Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- VFLDPWHFBUODDF-UHFFFAOYSA-N diferuloylmethane Natural products C1=C(O)C(OC)=CC(C=CC(=O)CC(=O)C=CC=2C=C(OC)C(O)=CC=2)=C1 VFLDPWHFBUODDF-UHFFFAOYSA-N 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 239000007793 ph indicator Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 239000000015 trinitrotoluene Substances 0.000 description 1
Images
Abstract
The invention relates to a device for acquiring carbon dioxide gas, which comprises an airflow passage, and an air inlet and an air outlet arranged at two ends of the airflow passage, wherein the airflow passage is provided with detection windows, the surface of each detection window is provided with a transparent film with low beta absorption rate, and the position of each detection window in the airflow passage is provided with an absorption layer. The device is characterized in that the airflow passage comprises a first cavity positioned inside a body and communicated with the air inlet, and a second cavity positioned between the absorption layer and the transparent film; the first cavity and the second cavity are communicated by a through hole; and the second cavity is communicated with the air outlet. The device for acquiring the carbon dioxide gas is convenient for the absorption layer to absorb the carbon dioxide gas so as to improve acquisition efficiency and detection accuracy of the carbon dioxide gas.
Description
Technical field
The present invention relates to a kind of device of gathering gas, more particularly, relate to a kind of device of carbon dioxide gas collection, be used for gathering the carbon dioxide that human body is breathed out at medical breath diagnosis.
Background technology
The carbon dioxide that human body is breathed out can indicate human body and whether infect some disease.Number of patent application be "
14CO
2Gas collecting device " Chinese patent application; a kind of device of carbon dioxide gas collection is disclosed; this device comprises cavity with import and export and be fixed on the intravital absorbent assembly in chamber that above-mentioned cavity is provided with absorbent assembly partly or entirely is exposed to the outer window of cavity.Yet the absorbent assembly of above-mentioned cavity is exposed to outside the cavity, makes the powder that adsorbs on the absorbent assembly come off easily; And when needs were put into this device on the detector, the window of window had increased operating procedure.In addition, the absorbent assembly of above-mentioned harvester is arranged in the cavity, is unfavorable for flowing of carbon dioxide, and forces carbon dioxide not have the part of absorbent assembly to flow out in cavity, be unfavorable for the haptoreaction of carbon dioxide and absorbent assembly, thereby influence testing result.
The patent No. is the device that Chinese patent that " 200420150457.2 ", name are called " carbon dioxide gas collection card " also discloses carbon dioxide gas collection, and this device is provided with transparent membrane and by the annular flow axis of guide carbon dioxide of incoming call is imported to absorbed layer between the air-flow axis of guide and the transparent membrane in detection window.The inboard of absorbed layer yet the air-flow of this gas collection card is only flowed through because the resistance of absorbed layer, only has a small amount of gas to arrive the outer surface of absorbed layer in the carbon dioxide of incoming call, promptly over against the one side (detection faces) of detection window, thereby influence testing result.
Summary of the invention
The technical problem to be solved in the present invention is, at the defective of the inaccessible detection faces of above-mentioned gas collection card carbon dioxide gas collection, provides a kind of device of carbon dioxide gas collection.
The technical solution adopted for the present invention to solve the technical problems is: the device of constructing a kind of carbon dioxide gas collection, the air inlet and the gas outlet that include gas channel and be located at described gas channel two ends, described gas channel is provided with detection window, transparent membrane and interior each the detection window position of described gas channel that the surface of each detection window is provided with low β absorbance are provided with absorbed layer, described gas channel comprises first cavity that is positioned at the body inboard and is communicated with air inlet, second cavity between described absorbed layer and transparent membrane, be communicated with by through hole between described first cavity and second cavity, described second cavity is communicated with the gas outlet.
In the device of carbon dioxide gas collection of the present invention, described gas channel also comprises the 3rd cavity that is positioned at the body inboard and is communicated with described gas outlet, and described second cavity and the 3rd cavity are communicated with by through hole.
In the device of carbon dioxide gas collection of the present invention, described body is made up of two mosaic pieces, the outside of described mosaic piece is pasted with emulsion sheet, described first cavity and the 3rd cavity are positioned at the inboard of two mosaic pieces, and described second cavity is between the described two mosaic pieces outside and the described attached cover plate and between described absorbed layer and the transparent membrane.
In the device of carbon dioxide gas collection of the present invention, described gas channel wall is provided with indicating window, and described indicating window is provided with indicator.
In the device of carbon dioxide gas collection of the present invention, the inboard of each described mosaic piece has respectively in the alcove that links to each other with the gas outlet with described air inlet, each described alcove and is provided with the through hole that is communicated with the described mosaic piece inboard and the outside, inducing QI groove by the mosaic piece outside communicates between the described detection window and between described detection window and the described through hole, and described emulsion sheet covers described through hole and inducing QI groove.
In the device of carbon dioxide gas collection of the present invention, described absorbed layer is clamped and fastened on the detection window position by described two mosaic pieces.
In the device of carbon dioxide gas collection of the present invention, described air inlet, gas outlet and detection window are located along the same line.
In the device of carbon dioxide gas collection of the present invention, the inboard of described two mosaic pieces is respectively equipped with the concaveconvex structure that cooperatively interacts.
In the device of carbon dioxide gas collection of the present invention, the integral body of described gas collection card except that air inlet and gas outlet comprises that transparent detection window seals.
In the device of carbon dioxide gas collection of the present invention, described detection window comprises two at least.
The device of carbon dioxide gas collection of the present invention, flow of carbon dioxide gas by making incoming call is the absorbed layer surface of window relative position after testing, be convenient to absorbed layer absorbing carbon dioxide gas, thereby improved the collecting efficiency of carbon dioxide and the accuracy of detection.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the structural representation of mosaic piece inboard of the device embodiment of carbon dioxide gas collection of the present invention;
Fig. 2 is the structural representation in the mosaic piece outside of the device embodiment of carbon dioxide gas collection of the present invention.
The specific embodiment
As shown in Figure 1, 2, it is the sketch map of carbon dioxide gas collection card embodiment of the present invention, this gas collection card is made up of two mosaic pieces 10 and two emulsion sheet (not shown)s, two mosaic pieces 10 basic identical (it is different with groove only to be used for localized flange) wherein, and the mutual amalgamation of mode that fits with the inboard, two emulsion sheets are attached at the outside of mosaic piece 10 respectively.Fig. 1 shows mosaic piece 10 inboards, and Fig. 2 shows the outside of mosaic piece 10.
In the present embodiment, the gas collection card after the applying includes air inlet 11, gas channel 12 and gas outlet 16.Wherein gas channel wall (being mosaic piece 10) is provided with two detection window 13, and each detection window 13 is provided with the transparent membrane (not shown), and this transparent membrane is low β radiation absorption rate thin film, and its thickness is less than 0.35um usually.10 amalgamations of two mosaic pieces, at detection window position 13 place's covering thin transparent films and after mosaic piece 10 outsides attach emulsion sheet, gas channel 12 removes air inlet 11 and gas outlet 16 outer closures.At detection window 13 places, two mosaic pieces 10 also clamping have the absorbed layer (not shown).
In the present embodiment, above-mentioned first cavity and the 3rd cavity are formed by the alcove of mosaic piece 10 inboards, and second cavity is formed in the cavity between the transparent membrane and at the groove 19 in mosaic piece 10 outsides and the space between the emulsion sheet by absorbed layer.
Whether equally, be provided with indicating window 17 near on the gas channel wall of gas outlet 16, this indicating window 17 is provided with indicator, enough with the carbon dioxide of indication incoming call.Above-mentioned indicator can be PH indicator, for example one of phenolphthalein, thymolphthalein, trinitrotoluene, tropaeolin, curcumin or its mixture etc.
When mosaic piece 10 with the inboard relative mode piece together be incorporated in the surface and attach transparent membrane and emulsion sheet after, promptly formed the gas channel 12 that removes air inlet 11 and gas outlet 16 outer closures.During use, first cavity of carbon dioxide from air inlet 11 incoming calls to two mosaic pieces, 10 inboards, via through holes 15 enters second cavity that is positioned at mosaic piece 10 outsides, make the abundant absorbing carbon dioxide gas of the absorbed layer that is positioned at detection window 13 places, subsequently, remaining gas enters the 3rd cavity of mosaic piece inboard via through hole 15, and 16 discharges from the gas outlet.
In actual applications, also can only comprise first cavity and second cavity, the outside of mosaic piece is located in the gas outlet, thereby the gas in second cavity is directly discharged from the outside of mosaic piece.
In the mosaic piece of above-mentioned gas collection card, the inboard of mosaic piece can be provided with a plurality of location structures that cooperatively interact, for example the groove of the inboard correspondence position of the flange among Fig. 1 18 and another mosaic piece etc.
In above-mentioned gas collection card, air inlet, gas outlet and two detection window are located along the same line.Certainly in actual applications, the detection window of other quantity can be set also, for example 1 or 3-5 etc., the position of detection window also is not limited on air inlet, place, the gas outlet straight line.
In addition, above-mentioned gas collection card is not limited to the amalgamation structure, it also can be integrated structure etc., just two mosaic pieces 10 are made inside and comprised that first cavity and the 3rd cavity, outside comprise the body of detection window, the body outside also comprises the groove that is communicated with and is communicated to detection window respectively by through hole and first cavity and the 3rd cavity, at the outside emulsion sheet that attaches of groove, attach absorbed layer and transparent membrane from inside to outside successively in the detection window position.
Claims (10)
1, a kind of device of carbon dioxide gas collection, the air inlet and the gas outlet that include gas channel and be located at described gas channel two ends, described gas channel is provided with detection window, transparent membrane and interior each the detection window position of described gas channel that the surface of each detection window is provided with low β absorbance are provided with absorbed layer, it is characterized in that, described gas channel comprises first cavity that is positioned at the body inboard and is communicated with air inlet, second cavity between described absorbed layer and transparent membrane, be communicated with by through hole between described first cavity and second cavity, described second cavity is communicated with the gas outlet.
2, the device of carbon dioxide gas collection according to claim 1 is characterized in that, described gas channel also comprises the 3rd cavity that is positioned at the body inboard and is communicated with described gas outlet, and described second cavity and the 3rd cavity are communicated with by through hole.
3, the device of carbon dioxide gas collection according to claim 2, it is characterized in that, described body is made up of two mosaic pieces, the outside of described mosaic piece is pasted with emulsion sheet, described first cavity and the 3rd cavity are positioned at the inboard of two mosaic pieces, and described second cavity is between the described two mosaic pieces outside and the described attached cover plate and between described absorbed layer and the transparent membrane.
According to the device of each described carbon dioxide gas collection among the claim 1-3, it is characterized in that 4, described gas channel wall is provided with indicating window, described indicating window is provided with indicator.
5, the device of carbon dioxide gas collection according to claim 3, it is characterized in that, the inboard of each described mosaic piece has respectively in the alcove that links to each other with the gas outlet with described air inlet, each described alcove and is provided with the through hole that is communicated with the described mosaic piece inboard and the outside, inducing QI groove by the mosaic piece outside communicates between the described detection window and between described detection window and the described through hole, and described emulsion sheet covers described through hole and inducing QI groove.
6, the device of carbon dioxide gas collection according to claim 3 is characterized in that, described absorbed layer is clamped and fastened on the detection window position by described two mosaic pieces.
7, the device of carbon dioxide gas collection according to claim 1 is characterized in that, described air inlet, gas outlet and detection window are located along the same line.
8, the device of carbon dioxide gas collection according to claim 3 is characterized in that, wherein the inboard of two mosaic pieces is respectively equipped with the concaveconvex structure that cooperatively interacts.
9, the device of carbon dioxide gas collection according to claim 5 is characterized in that, the integral body of described gas collection card except that air inlet and gas outlet comprises that transparent detection window seals.
According to the device of claim 1 or 7 described carbon dioxide gas collections, it is characterized in that 10, described detection window comprises two at least.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100656674A CN101491440B (en) | 2008-01-25 | 2008-01-25 | Carbon dioxide gas collection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100656674A CN101491440B (en) | 2008-01-25 | 2008-01-25 | Carbon dioxide gas collection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101491440A true CN101491440A (en) | 2009-07-29 |
| CN101491440B CN101491440B (en) | 2011-12-14 |
Family
ID=40922353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100656674A Active CN101491440B (en) | 2008-01-25 | 2008-01-25 | Carbon dioxide gas collection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101491440B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108139377A (en) * | 2015-10-29 | 2018-06-08 | 气体测量仪器有限公司 | Gas detecting instrument inlet nipple component |
| CN108195635A (en) * | 2017-12-25 | 2018-06-22 | 佛山市中环环境检测中心 | A kind of exhaust gas sampling apparatus |
| CN109118723A (en) * | 2018-09-28 | 2019-01-01 | 安徽芯核防务装备技术股份有限公司 | A kind of inflammable volatile matter monitoring device of bus |
| CN109540610A (en) * | 2018-12-12 | 2019-03-29 | 深圳市福瑞康科技有限公司 | A kind of sample collecting apparatus |
| CN109953775A (en) * | 2017-12-22 | 2019-07-02 | 李敏 | A kind of helicobacter pylori detector collecting sample card |
-
2008
- 2008-01-25 CN CN2008100656674A patent/CN101491440B/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108139377A (en) * | 2015-10-29 | 2018-06-08 | 气体测量仪器有限公司 | Gas detecting instrument inlet nipple component |
| CN109953775A (en) * | 2017-12-22 | 2019-07-02 | 李敏 | A kind of helicobacter pylori detector collecting sample card |
| CN108195635A (en) * | 2017-12-25 | 2018-06-22 | 佛山市中环环境检测中心 | A kind of exhaust gas sampling apparatus |
| CN108195635B (en) * | 2017-12-25 | 2020-07-03 | 佛山市中环环境检测中心 | Waste gas sampling device |
| CN109118723A (en) * | 2018-09-28 | 2019-01-01 | 安徽芯核防务装备技术股份有限公司 | A kind of inflammable volatile matter monitoring device of bus |
| CN109540610A (en) * | 2018-12-12 | 2019-03-29 | 深圳市福瑞康科技有限公司 | A kind of sample collecting apparatus |
| CN109540610B (en) * | 2018-12-12 | 2024-01-30 | 深圳市福瑞康科技有限公司 | Sample collection device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101491440B (en) | 2011-12-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| IP01 | Partial invalidation of patent right | ||
| IP01 | Partial invalidation of patent right |
Commission number: 4W110772 Conclusion of examination: Declare that the technical solution of zl200810065667.4 invention patent claims 1, 2, 7 and claim 4 when referring to claim 1 or 2 is invalid, and continue to maintain the validity of the patent on the basis of claims 3, 5, 6, 8-10 and the technical solution of claim 4 when referring to claim 3 Decision date of declaring invalidation: 20210705 Decision number of declaring invalidation: 50773 Denomination of invention: Device for collecting carbon dioxide gas Granted publication date: 20111214 Patentee: SHENZHEN ZHONGHE HEADWAY BIO-SCI & TECH Co.,Ltd. |