CN107894493A - A kind of foul smell, which is smelt, distinguishes nose cup - Google Patents
A kind of foul smell, which is smelt, distinguishes nose cup Download PDFInfo
- Publication number
- CN107894493A CN107894493A CN201711403816.9A CN201711403816A CN107894493A CN 107894493 A CN107894493 A CN 107894493A CN 201711403816 A CN201711403816 A CN 201711403816A CN 107894493 A CN107894493 A CN 107894493A
- Authority
- CN
- China
- Prior art keywords
- foul smell
- check valve
- breathing mask
- smelt
- air vent
- 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.)
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0001—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00 by organoleptic means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—Specially adapted to detect a particular component
- G01N33/0059—Specially adapted to detect a particular component avoiding interference of a gas with the gas to be measured
Abstract
Smelt the present invention relates to a kind of foul smell and distinguish nose cup, including breathing mask, it is provided with the front side of the breathing mask and is used to be bonded the sticking part for smelling the person's of distinguishing face, the sticking part is elastic memory structure；Air inlet is provided with the rear side of the breathing mask；Also include the second check valve, air vent connector and foul smell bag, one end of the air vent connector is connected with the exhaust outlet of the foul smell bag, one end of second check valve is connected with the air inlet, the other end of second check valve is connected with the one end of the air vent connector away from the foul smell bag, and the conducting direction of second check valve is the air vent connector to the air inlet direction.The beneficial effects of the invention are as follows：Structure setting advantages of simple, it is easy to use, by setting breathing mask, can reuse, it is green；Sticking part can be bonded completely with smelling the face for the person of distinguishing, effectively prevented air from entering in breathing mask, diluted foul smell, influence, which is smelt, distinguishes precision.
Description
Technical field
The present invention relates to smell teacher of the distinguishing to be smelt with equipment technical field, more particularly to a kind of foul smell and distinguished nose cup.
Background technology
Environmental monitoring personnel gather odor polluting source exhaust and ambient air sampling and take back laboratory, smell teacher of the distinguishing by foul smell
Its odor concentration is determined by olfactory organ；It is first to be distributed to matched somebody with somebody airbag by distribution teacher to smell to smell teacher of the distinguishing at present and hear smelly process
Teacher of the distinguishing, then smell teacher of the distinguishing and distributed airbag is placed into chest, while removed on airbag after breather pipe alignment nasal cavity on breather pipe
Plug, airbag is gently extruded with hand, smell and distinguish and compare, and chosen and have taste airbag.The defects of such way is, on the one hand, by
Certain distance is certainly existed with smelling teacher of the distinguish'sing nasal cavity in breather pipe, causes extraneous air to enter nasal cavity, and then further dilute foul smell
(smell and distinguish that Shi Suowen foul smell is all to dilute according to a certain percentage), influence, which is smelt, distinguishes result, and smells the gas of teacher of the distinguish'sing exhalation
Foul smell bag dilution foul smell can be entered and influence to smell and distinguish result；On the other hand, airbag is different by the dynamics for smelling teacher of the distinguish'sing manual expression, leads
Cause gas output different.
The content of the invention
The technical problems to be solved by the invention are for smelling when distinguishing sample gas at present easily by surrounding air dilution and outlet
The defects of amount is whard to control, there is provided a kind of foul smell, which is smelt, distinguishes nose cup.
The technical scheme that the present invention solves above-mentioned technical problem is as follows：A kind of foul smell, which is smelt, distinguishes nose cup, including breathing mask,
The front side of the breathing mask, which is provided with, to be used to be bonded the sticking part for smelling the person's of distinguishing face, and the sticking part is elastic memory structure；
The rear side of the breathing mask is provided with air inlet；Gas outlet is additionally provided with the rear side surface of the breathing mask, in the outlet
The first check valve is provided with mouthful, the conducting direction of first check valve is the lateral gas outlet direction in breathing mask；Also
Including the second check valve, air vent connector and foul smell bag, one end of the air vent connector is connected with the exhaust outlet of the foul smell bag, institute
The one end for stating the second check valve is connected with the air inlet, and the other end and the air vent connector of second check valve are away from institute
State one end connection of foul smell bag, and the conducting direction of second check valve is the air vent connector to the air inlet direction.
The beneficial effects of the invention are as follows：Structure setting advantages of simple, it is easy to use, by setting breathing mask, instead of passing
The disposable plastic bowl of system, can be reused, green；, can be with smelling the person's of distinguishing for the sticking part of elastic memory structure
Facial fitting completely, effectively prevents air from entering in breathing mask, dilutes foul smell, and influence, which is smelt, distinguishes precision；By setting gas outlet,
And the first check valve is set at gas outlet, the gas of the person's of distinguishing exhalation is smelt for discharging, and extraneous air will not enter breathing
In mask；In addition, by setting the second check valve at air vent connector, make gas unidirectional can be with by, gas in foul smell bag
Into in breathing mask, and the gas for smelling the person's of distinguishing exhalation will not enter in foul smell bag, avoid disturbing the odor concentration in foul smell bag,
Influence, which is smelt, distinguishes result；Foul smell bag is directly connected to by air vent connector and breathing mask, can reduce foul smell and other contact surfaces
Contact, reduce the partial dilution of foul smell.
On the basis of above-mentioned technical proposal, the present invention can also do following improvement.
Further：It is coated with being provided with the inwall of the breathing mask, the air vent connector and second check valve and prevents
Absorbent coating.
Further：The anti-absorbent coating is polytetrafluorethylecoatings coatings.
It is above-mentioned enter two step schemes beneficial effect be：By setting polytetrafluorethylecoatings coatings, foul smell absorption can be avoided to exist
On the inwall of breathing mask, air vent connector and the second check valve, reduce foul smell and smelling the consumption during distinguishing, reduction foul smell, which is smelt, to be distinguished
Error.
Further：The elastic memory structure is elastic memory colloidal silica.
The above-mentioned further beneficial effect of scheme is：Elastic memory colloidal silica is not only nonpoisonous and tasteless, and with soft, high
The characteristics of elastic, it can be completely bonded with smelling the face for the person of distinguishing, effectively prevent air from entering in breathing mask, influence, which is smelt, distinguishes essence
Degree.
Further：The air vent connector is being provided with sealing ring with the junction of the foul smell bag exhaust outlet.
The above-mentioned further beneficial effect of scheme is：By setting sealing ring, air vent connector and foul smell bag exhaust outlet are improved
The air-tightness of junction.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of breathing mask of the present invention；
In accompanying drawing, the component names representated by each label are as follows：
1st, breathing mask, 11, sticking part, 12, air inlet, 13, gas outlet, the 2, second check valve, 3, air vent connector, 4,
One check valve, 5, foul smell bag.
Embodiment
The principle and feature of the present invention are described below in conjunction with accompanying drawing, the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the present invention.
As depicted in figs. 1 and 2, a kind of foul smell, which is smelt, distinguishes nose cup, and it includes breathing mask 1, in the front side of the breathing mask 1
Provided with the sticking part 11 that the person's of distinguishing face is smelt for being bonded, the sticking part 11 is elastic memory structure；In the breathing mask 1
Rear side is provided with air inlet 12；Gas outlet 13 is additionally provided with the rear side surface of the breathing mask 1, is provided with the gas outlet 13
First check valve 4, the conducting direction of first check valve 4 is the lateral direction of gas outlet 13 in breathing mask 1；Also include
Second check valve 2, air vent connector 3 and foul smell bag 5, one end of the air vent connector 3 are connected with the exhaust outlet of the foul smell bag 5,
One end of second check valve 2 is connected with the air inlet 12, the other end and the air vent connector of second check valve 2
3 away from the foul smell bag 5 one end connection, and the conducting direction of second check valve 2 be the air vent connector 3 to it is described enter
The direction of gas port 12.
The foul smell bag 5 is that environment monitoring samples special foul smell bag.
By setting the second check valve 2, make gas unidirectional by the way that the gas in foul smell bag 5 can enter breathing mask 1
It is interior, and the gas for smelling the person's of distinguishing exhalation will not enter in foul smell bag 5, avoid disturbing the odor concentration in foul smell bag 5, influence, which is smelt, distinguishes knot
Fruit.
First check valve 4 and second check valve 2 are cooling gas check valve, and its concrete structure and operation principle are equal
For existing known technology, will not be repeated here.
The sticking part 11 is in arc-shaped structure, and the elastic memory structure is elastic memory colloidal silica.Can be according to smelling
The face contour for the person of distinguishing is adjusted, and can be bonded the face for smelling the person of distinguishing completely, prevent smell distinguish during air enter breathing
In mask 1, foul smell is diluted, influence, which is smelt, distinguishes precision.
It is coated with being provided with anti-absorption in the inwall of the breathing mask 1, the air vent connector 3 and second check valve 2
Coating.
In the present embodiment, the anti-absorbent coating is preferably polytetrafluorethylecoatings coatings.
Once smelt that the time distinguished is very short due to smelling the person of distinguishing, only breathe the time once, to ensure to smell to distinguish accurate
Degree, it is desirable to foul smell smell distinguish during as far as possible reduce consumption, by setting polytetrafluorethylecoatings coatings, can avoid foul smell absorption exist
Breathing mask 1, air vent connector 3, the second check valve 2 inwall on, reduce foul smell and smelling the consumption during distinguishing, reduce foul smell and smell
Distinguish error.
The air vent connector 3 is being provided with sealing ring 31 with the junction of the exhaust outlet of foul smell bag 5, by setting sealing ring
31, improve air vent connector 3 and the air-tightness of the exhaust outlet junction of foul smell bag 5.
Embodiment：Smell teacher of the distinguishing smell distinguish when, by the foul smell bag 5 equipped with sampling foul smell directly and breathing mask
Air vent connector 3 on 1 is connected, and the sticking part 11 of breathing mask 1 then is covered on into face, is somewhat firmly pressed breathing mask 1, is made
It is bonded completely with face, then extrudes foul smell bag 5, foul smell is squeezed into breathing mask 1, smelt after the completion of distinguishing, by breathing mask 1
Take away；If smelling during distinguishing, smell teacher of the distinguishing and exhaled in breathing mask, institute's exhaled gas can discharge from gas outlet 13, subtract
The small influence for smelling teacher of the distinguish'sing exhaled gas to odor concentration.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc., it should be included in the scope of the protection.
Claims (5)
1. a kind of foul smell, which is smelt, distinguishes nose cup, it is characterised in that：Including breathing mask (1), it is provided with the front side of the breathing mask (1)
The sticking part (11) of the person's of distinguishing face is smelt for being bonded, the sticking part (11) is elastic memory structure；In the breathing mask (1)
Rear side be provided with air inlet (12)；Gas outlet (13) is additionally provided with the rear side surface of the breathing mask (1), in the gas outlet
(13) place is provided with the first check valve (4), and the conducting direction of first check valve (4) goes out in breathing mask (1) laterally described in
Gas port (13) direction；Also include the second check valve (2), air vent connector (3) and foul smell bag (5), one end of the air vent connector (3)
It is connected with the exhaust outlet of the foul smell bag (5), one end of second check valve (2) is connected with the air inlet (12), described
The other end of second check valve (2) is connected with the one end of the air vent connector (3) away from the foul smell bag (5), and described second
The conducting direction of check valve (2) is the air vent connector (3) to the air inlet (12) direction.
2. a kind of foul smell, which is smelt, according to claim 1 distinguishes nose cup, it is characterised in that：In the breathing mask (1), the stomata
The inwall of joint (3) and second check valve (2) is coated with being provided with anti-absorbent coating.
3. a kind of foul smell, which is smelt, according to claim 2 distinguishes nose cup, it is characterised in that：The anti-absorbent coating is polytetrafluoroethylene (PTFE)
Coating.
4. a kind of foul smell, which is smelt, according to claim 1 distinguishes nose cup, it is characterised in that：The elastic memory structure is elastic memory
Colloidal silica.
5. a kind of foul smell, which is smelt, according to claim 1 distinguishes nose cup, it is characterised in that：The air vent connector (3) with it is described smelly
The junction of airbag (5) exhaust outlet is provided with sealing ring (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711403816.9A CN107894493A (en) | 2017-12-22 | 2017-12-22 | A kind of foul smell, which is smelt, distinguishes nose cup |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711403816.9A CN107894493A (en) | 2017-12-22 | 2017-12-22 | A kind of foul smell, which is smelt, distinguishes nose cup |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107894493A true CN107894493A (en) | 2018-04-10 |
Family
ID=61808121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711403816.9A Pending CN107894493A (en) | 2017-12-22 | 2017-12-22 | A kind of foul smell, which is smelt, distinguishes nose cup |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107894493A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2139266Y (en) * | 1992-11-03 | 1993-07-28 | 邱乐耀 | Domestic detector for natural gas leakage |
| CN101551375A (en) * | 2009-05-18 | 2009-10-07 | 浙江大学 | Dynamic olfaction instrument based on triangle odor bag method |
| CN202409762U (en) * | 2012-01-16 | 2012-09-05 | 天津市天大百睿精密仪器技术有限公司 | Multi-channel face mask for electronic health station |
| CN202409746U (en) * | 2012-01-16 | 2012-09-05 | 天津市天大百睿精密仪器技术有限公司 | Multi-channel air feeding control device of electronic health station |
| CN103945889A (en) * | 2011-09-07 | 2014-07-23 | 监护面罩公司 | Oxygen facemask with capnography monitoring ports |
| CN204619096U (en) * | 2015-04-09 | 2015-09-09 | 江西科技学院 | A kind of breathing mask of children special-purpose |
| CN204766939U (en) * | 2015-06-12 | 2015-11-18 | 南方医科大学南方医院 | Medical respirator |
| CN205107624U (en) * | 2015-10-16 | 2016-03-30 | 中国科学院心理研究所 | Sense of smell detection device |
| CN206079127U (en) * | 2016-09-20 | 2017-04-12 | 佛山富离子环保科技有限公司 | Gauze mask of release anion |
| CN106872626A (en) * | 2015-12-11 | 2017-06-20 | 天津市双马香精香料新技术有限公司 | Easy manual smells and debates instrument |
| CN207851012U (en) * | 2017-12-22 | 2018-09-11 | 上海市化工环境保护监测站 | A kind of foul smell, which is smelt, distinguishes nose cup |
-
2017
- 2017-12-22 CN CN201711403816.9A patent/CN107894493A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2139266Y (en) * | 1992-11-03 | 1993-07-28 | 邱乐耀 | Domestic detector for natural gas leakage |
| CN101551375A (en) * | 2009-05-18 | 2009-10-07 | 浙江大学 | Dynamic olfaction instrument based on triangle odor bag method |
| CN103945889A (en) * | 2011-09-07 | 2014-07-23 | 监护面罩公司 | Oxygen facemask with capnography monitoring ports |
| CN202409762U (en) * | 2012-01-16 | 2012-09-05 | 天津市天大百睿精密仪器技术有限公司 | Multi-channel face mask for electronic health station |
| CN202409746U (en) * | 2012-01-16 | 2012-09-05 | 天津市天大百睿精密仪器技术有限公司 | Multi-channel air feeding control device of electronic health station |
| CN204619096U (en) * | 2015-04-09 | 2015-09-09 | 江西科技学院 | A kind of breathing mask of children special-purpose |
| CN204766939U (en) * | 2015-06-12 | 2015-11-18 | 南方医科大学南方医院 | Medical respirator |
| CN205107624U (en) * | 2015-10-16 | 2016-03-30 | 中国科学院心理研究所 | Sense of smell detection device |
| CN106872626A (en) * | 2015-12-11 | 2017-06-20 | 天津市双马香精香料新技术有限公司 | Easy manual smells and debates instrument |
| CN206079127U (en) * | 2016-09-20 | 2017-04-12 | 佛山富离子环保科技有限公司 | Gauze mask of release anion |
| CN207851012U (en) * | 2017-12-22 | 2018-09-11 | 上海市化工环境保护监测站 | A kind of foul smell, which is smelt, distinguishes nose cup |
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