CN201164466Y - Carbon dioxide accumulation card - Google Patents
Carbon dioxide accumulation card Download PDFInfo
- Publication number
- CN201164466Y CN201164466Y CNU2008200917966U CN200820091796U CN201164466Y CN 201164466 Y CN201164466 Y CN 201164466Y CN U2008200917966 U CNU2008200917966 U CN U2008200917966U CN 200820091796 U CN200820091796 U CN 200820091796U CN 201164466 Y CN201164466 Y CN 201164466Y
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- Prior art keywords
- carbon dioxide
- cavity
- gas channel
- mosaic
- detection window
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- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model relates to a carbon dioxide gas collection block, comprising an airflow duct as well as a gas inlet and a gas outlet which are arranged at the two ends of the airflow duct; the airflow duct is provided with at least two detecting windows, each of which is provided with a transparent membrane with low Beta absorption rate, and an absorption layer is arranged at the position of every detecting window in the airflow duct. The carbon dioxide gas collection block increases the stroke of the carbon dioxide gas in the airflow duct, thereby prolonging the reaction time between the carbon dioxide gas and the absorption layer and improving the efficiency of collecting samples as well as the accuracy of detection.
Description
Technical field
This utility model relates to a kind of device of gathering gas, more particularly, relates to a kind of device of carbon dioxide gas collection, is 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.Yet this gas collection is stuck in airflow direction a detection window is only arranged, because absorbed layer has resistance for the gas of incoming call, therefore the gas of incoming call very easily flows out from outlet along the air-flow axis of guide, and can not reach the indicator of detection window position, thereby influences testing result.
The utility model content
The technical problems to be solved in the utility model is, at using above-mentioned gas collection card to be detected as the lower defective of power, provides a kind of new carbon dioxide gas collection card.
The technical scheme that its technical problem that solves this utility model adopts is: construct a kind of carbon dioxide gas collection card, the air inlet and the gas outlet that include gas channel and be located at described gas channel two ends, it is characterized in that, described gas channel is provided with at least two detection window, and each detection window position is provided with absorbed layer in the transparent membrane that is provided with low β absorbance of each detection window and the described gas channel.
In carbon dioxide gas collection card described in the utility model, described gas channel is put together by two mosaic pieces, is provided with the annular flow axis of guide in the described gas channel, offers the air flue that communicates with described gas channel on the described annular flow axis of guide.
In carbon dioxide gas collection card described in the utility model, described gas channel is made up of two mosaic pieces and the emulsion sheet that is covered in the described two mosaic pieces outside, described gas channel comprises and first cavity that with air inlet be communicated with inboard at described two mosaic pieces, second cavity between the described two mosaic pieces outside and described attached cover plate and transparent membrane and the 3rd cavity that is positioned at described two mosaic pieces inboard and is communicated with described gas outlet, is communicated with by through hole between described first cavity and second cavity and between described second cavity and the 3rd cavity.
In carbon dioxide gas collection card described in the utility model, the inboard of described mosaic piece is provided with a plurality of location structures that cooperatively interact.
In carbon dioxide gas collection card described in the utility model, 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 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 carbon dioxide gas collection card described in the utility model, described gas channel wall is provided with indicating window, and described indicating window is provided with indicator.
In carbon dioxide gas collection card described in the utility model, described air inlet, gas outlet and at least two detection window are located along the same line.
Carbon dioxide gas collection card of the present utility model by at least two detection window are set, has increased the stroke of carbon dioxide in gas channel, thereby has increased the response time between itself and the absorbed layer, has improved the efficient of collected specimens; And a plurality of detection window detect simultaneously, have improved the accuracy rate that detects.In addition, the gas collection card need not be opened window and can directly measure, and avoids the possibility of sample contamination instrument and environment, operates simpler.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the structural representation of this utility model carbon dioxide gas collection card embodiment;
Fig. 2 is the structural representation of this utility model carbon dioxide gas collection card second embodiment;
Fig. 3 is the structural representation of this utility model carbon dioxide gas collection card second embodiment.
The specific embodiment
As shown in Figure 1, be the sketch map of carbon dioxide gas collection card embodiment of the present utility model.This gas collection card is put together by two lamellar mosaic pieces 10, and it includes air inlet 11, gas channel 12 and gas outlet 16.Wherein be provided with two detection window 13 on gas channel 12 walls (being mosaic piece 10), 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.After 10 assemblies of two mosaic pieces were incorporated in detection window position 13 place's covering thin transparent films, gas channel 12 removed air inlet 11 and gas outlet 16 outer closures.
In above-mentioned gas collection card, gas channel 12 walls are provided with indicating window 17, and this indicating window 17 is provided with indicator.This indicator can be PH indicator, for example one of phenolphthalein, thymolphthalein, trinitrotoluene, tropaeolin, curcumin or its mixture etc.
Shown in Fig. 2,3, it is the sketch map of carbon dioxide gas collection card second embodiment of the present utility model, this gas collection card is made up of mosaic piece 20 and emulsion sheet (not shown), mosaic piece 20 inboard amalgamations mutually, emulsion sheet is covered in the outside of mosaic piece 20, wherein Fig. 2 shows mosaic piece 20 inboards, and Fig. 3 shows the outside of mosaic piece 20.
In the present embodiment, the gas collection card includes air inlet 21, gas channel 22 and gas outlet 26.Wherein gas channel wall (being mosaic piece 20) is provided with two detection window 23, and each detection window 23 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.20 amalgamations of two mosaic pieces, attach emulsion sheet in the outside and behind the 23 place's covering thin transparent films of detection window position, gas channel 22 removes air inlet 21 and gas outlet 26 outer closures.At detection window 23 places, mosaic piece 20 also clamping has 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 20 inboards, and second cavity is formed in the cavity between the transparent membrane and at the groove 29 in mosaic piece 20 outsides and the space between the emulsion sheet by absorbed layer.
Whether equally, be provided with indicating window 27 near on the gas channel wall of gas outlet 26, this indicating window 27 is provided with indicator, enough with the carbon dioxide of indication incoming call.
When mosaic piece 20 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 22 that removes air inlet 21 and gas outlet 26 outer closures.During use, first cavity of carbon dioxide from air inlet 21 incoming calls to two mosaic pieces, 20 inboards, via through holes 25 enters second cavity that is positioned at mosaic piece 20 outsides, make the abundant absorbing carbon dioxide gas of the absorbed layer that is positioned at detection window 23 places, subsequently, remaining gas enters the 3rd cavity of mosaic piece inboard via through hole 25, and 26 discharges from the gas outlet.
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 reference column among Fig. 1 14 and corresponding aperture, flange 28 among Fig. 2 and respective slot 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, also more detection window can be set, for example 3-5, 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, also can be integrated structure etc.
Claims (7)
1, a kind of carbon dioxide gas collection card, the air inlet and the gas outlet that include gas channel and be located at described gas channel two ends, it is characterized in that, described gas channel is provided with at least two detection window, and each detection window position is provided with absorbed layer in the transparent membrane that is provided with low β absorbance of each detection window and the described gas channel.
2, carbon dioxide gas collection card according to claim 1, it is characterized in that, described gas channel is put together by two mosaic pieces, is provided with the annular flow axis of guide in the described gas channel, offers the air flue that communicates with described gas channel on the described annular flow axis of guide.
3, carbon dioxide gas collection card according to claim 1, it is characterized in that, described gas channel is made up of two mosaic pieces and the emulsion sheet that is covered in the described two mosaic pieces outside, described gas channel comprises first cavity that is positioned at described two mosaic pieces inboard and is communicated with air inlet, second cavity between the described two mosaic pieces outside and described attached cover plate and transparent membrane, and be positioned at the 3rd cavity that described two mosaic pieces are inboard and be communicated with described gas outlet, be communicated with by through hole between described first cavity and second cavity and between described second cavity and the 3rd cavity.
4, according to claim 2 or 3 described carbon dioxide gas collection cards, it is characterized in that the inboard of described mosaic piece is provided with a plurality of location structures that cooperatively interact.
5, carbon dioxide gas collection card 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 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, according to each described carbon dioxide gas collection card among the claim 1-3, it is characterized in that described gas channel wall is provided with indicating window, described indicating window is provided with indicator.
7, according to each described carbon dioxide gas collection card among the claim 1-3, it is characterized in that described air inlet, gas outlet and at least two detection window are located along the same line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200917966U CN201164466Y (en) | 2008-01-25 | 2008-01-25 | Carbon dioxide accumulation card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200917966U CN201164466Y (en) | 2008-01-25 | 2008-01-25 | Carbon dioxide accumulation card |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201164466Y true CN201164466Y (en) | 2008-12-17 |
Family
ID=40189853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200917966U Expired - Lifetime CN201164466Y (en) | 2008-01-25 | 2008-01-25 | Carbon dioxide accumulation card |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201164466Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102688061A (en) * | 2011-03-22 | 2012-09-26 | 单希杰 | Ear hanging elastic sheet protection assembly |
| CN103926240A (en) * | 2013-09-30 | 2014-07-16 | 安徽养和医疗器械设备有限公司 | Carbon dioxide absorption indicator |
| CN104406825A (en) * | 2014-12-04 | 2015-03-11 | 中国核动力研究设计院 | Carbon dioxide gas collecting card |
| 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 |
-
2008
- 2008-01-25 CN CNU2008200917966U patent/CN201164466Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102688061A (en) * | 2011-03-22 | 2012-09-26 | 单希杰 | Ear hanging elastic sheet protection assembly |
| CN103926240A (en) * | 2013-09-30 | 2014-07-16 | 安徽养和医疗器械设备有限公司 | Carbon dioxide absorption indicator |
| CN104406825A (en) * | 2014-12-04 | 2015-03-11 | 中国核动力研究设计院 | Carbon dioxide gas collecting card |
| 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 |
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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: ANHUI YANGHE MEDICAL EQUIPMENT CO., LTD. Free format text: FORMER OWNER: SHENZHEN ZHONGHE HEADWAY BIO SCI+TECH CO., LTD. Effective date: 20131108 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 518057 SHENZHEN, GUANGDONG PROVINCE TO: 231400 ANQING, ANHUI PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20131108 Address after: 231400, No. 8, Xiang Xiang North Road, Tongcheng Economic Development Zone, Anhui Patentee after: Anhui Young-Hearty Medical Appliance & Equipment Co., Ltd. Address before: 6, building 518057, building R1-B, hi tech Industrial Park, Shenzhen, Guangdong Patentee before: Shenzhen Zhonghe Headway Bio Sci&Tech Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20081217 |