CN105115791B - A kind of passive type pollutes flux sampler - Google Patents
A kind of passive type pollutes flux sampler Download PDFInfo
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- CN105115791B CN105115791B CN201510589959.8A CN201510589959A CN105115791B CN 105115791 B CN105115791 B CN 105115791B CN 201510589959 A CN201510589959 A CN 201510589959A CN 105115791 B CN105115791 B CN 105115791B
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Abstract
The invention discloses a kind of passive type to pollute flux sampler, and it includes sampling cup, weight, connecting rod and dual purpose friction seat.Formaldehyde sampling core and VOC sampling cores are provided with sampling cup, in order to detect the formaldehyde of tested article and VOC pollutants, the rim of a cup of sampling cup is provided with the O-ring seal of special shape, sealed for being compressed with the surface of thing to be detected；Buckling groove is set on the outside of the bottom of a cup of sampling cup；One seamed edge of weight can be with the above-mentioned spacing clamping of buckling groove, and the other end for the connecting rod being connected with weight can extend into the stopper slot of dual purpose friction seat, weight can be made to swing to sampling cup side and a normal pressure is applied to sampling cup by the spacing clamping of the side wall of stopper slot, the installation to sampling cup is realized and fix.Solve the problems, such as the adhesive self-pollution that prior art uses gluing fixed sample cup to bring, improve the accuracy of detection.
Description
Technical field
The present invention relates to technical field of environmental detection, is to be related to a kind of passive type pollution flux sampler specifically.
Background technology
VOC is the english abbreviation of VOC, is mainly included：Benzene,toluene,xylene, ethylbenzene, styrene
Deng.Because building materials, ornament materials, furniture and household electrical appliances have used the largely material containing VOC and formaldehyde in production, subsequent
These compounds can progressively discharge and pollute indoor air environment during use.In the environment of VOC or formaldehyde
The symptoms such as ocular pain, sore-throat, headache, tired out sense, dysphoria occur in the people for living, working, learning often, are referred to as
" sick building syndrome ", multiple devices dirty impaired or leukaemia can be caused when serious.
Put into effect in 2001 in China《Code for indoor environmental pollution control of civil building engineering》, in VOC or formaldehyde
Not checked and accepted Deng the exceeded newly-built, renovating and enlarging building of pollutant.But for house decoration, because testing cost is higher, practice
In be difficult to be widely applied.
Patent 200710128390.0 discloses what a kind of measure was discharged from the check object thing such as furniture, building materials into air
The passive type diffused flux sampler of the emission flux of the harmful chemicals such as formaldehyde.This sampler can be avoided measured object
Material removes one piece and sends to test in laboratory, avoids destructiveness, and still, this sampler is fixed on material by gluing mode
Surface is sampled, although simple to operate light, the border on the inside of adhesive connects with sampling cavity, i.e. adhesive institute
The polluter distributed can also be adsorbed agent collection, therefore, influence the result of detection.
Therefore, how a kind of passive type pollution flux sampler is provided, is this area to improve the accuracy of testing result
The current technical issues that need to address of technical staff.
The content of the invention
In view of this, the invention provides a kind of passive type to pollute flux sampler, to improve the accuracy of testing result.
To achieve the above object, the present invention provides following technical scheme：
A kind of passive type pollutes flux sampler, and it includes：
Sampling cup, is provided with formaldehyde sampling core and VOC sampling cores in the sampling cup, the rim of a cup of the sampling cup be used for
Thing to be detected is relative, and the outside of the sampling cup has buckling groove；
The sealing ring being arranged at the sampling cup rim of a cup, the sealing ring can be tightly connected with the thing to be detected；
Weight, two sides of a seamed edge of the weight can be with the spacing clamping of the buckling groove；
The connecting rod being connected with the weight；
Dual purpose friction seat, the dual purpose friction seat tool limited location groove, the connecting rod can extend into the stopper slot, and by
The spacing clamping of side wall of the stopper slot.
Preferably, in above-mentioned passive type pollution flux sampler, the dual purpose friction seat can be with the sampling cup
Rim of a cup is threadedly coupled, and is sealed by the sealing ring..
Preferably, in above-mentioned passive type pollution flux sampler, the section of the sealing ring includes two discs and company
Connect the rectangular surfaces of two discs.
Preferably, in above-mentioned passive type pollution flux sampler, in addition to it is arranged in the sampling cup and is used to fix
The snap ring of the formaldehyde sampling core and VOC sampling cores, the snap ring can be with the inwall phase of the sampling cup
Support.
Preferably, in above-mentioned passive type pollution flux sampler, the connecting rod is telescopic rod.
Preferably, in above-mentioned passive type pollution flux sampler, the connecting rod include being connected with the weight the
One connecting rod and for the second connecting rod with the stopper slot clamping, the head rod and the second connecting rod screw thread
Socket.
Preferably, in above-mentioned passive type pollution flux sampler, the weight is socket cap, and the socket cap is straight
Footpath is more than the width of the buckling groove.
Preferably, in above-mentioned passive type pollution flux sampler, the outside bottom surface of the dual purpose friction seat, which has, to be used for
The elastic coating of increasing friction force.
Preferably, in above-mentioned passive type pollution flux sampler, the sampling cup is aluminum alloy body.
Understood via above-mentioned technical scheme, the invention discloses a kind of passive type to pollute flux sampler, and it includes adopting
Sample cup, weight, connecting rod and dual purpose friction seat.Wherein, formaldehyde sampling core and VOC sampling cores are provided with the sampling cup, so as to
In the formaldehyde and VOC pollutants of detection tested article, therefore, the rim of a cup of the sampling cup is being adopted for relative with thing to be detected
The outside of sample cup sets buckling groove；One seamed edge of weight can be with the above-mentioned spacing clamping of buckling groove, and is connected with weight
The other end of connecting rod can extend into the stopper slot of dual purpose friction seat, and by the spacing clamping of side wall of stopper slot.The application
In weight and connecting rod one end and sampling cup clamping, the other end and dual purpose friction seat offset clamping, i.e., when both clampings simultaneously
Afterwards, the position of weight can be prevented from changing, while dual purpose friction seat and sampling cup are fixed, realize to sampling cup
Installation fix.Which solves the problems, such as to use gluing sampling cup, directly that the rim of a cup of sampling cup is relative with determinand, keeps away
Influence of other objects to detection is exempted from, so as to improve the accuracy of detection.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
The embodiment of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing of offer obtains other accompanying drawings.
Fig. 1 is the structural representation that passive type provided in an embodiment of the present invention pollutes flux sampler；
Fig. 2 is that passive type provided in an embodiment of the present invention pollutes the structural representation of the sampling cup of flux sampler when not in use
Figure；
Fig. 3 is the sealing ring free state structural representation that passive type provided in an embodiment of the present invention pollutes flux sampler
Figure；
Structural representation when Fig. 4 is the sealing ring sealing that passive type provided in an embodiment of the present invention pollutes flux sampler；
Fig. 5 is the structural representation that passive type provided in an embodiment of the present invention pollutes another state of flux sampler.
Embodiment
The core of the present invention there is provided a kind of passive type pollution flux sampler, to improve the accuracy of testing result.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made
Embodiment, belong to the scope of protection of the invention.
As Figure 1-Figure 5, the invention discloses a kind of passive type to pollute flux sampler, and it includes sampling cup 1, weight
3rd, connecting rod 4 and dual purpose friction seat 6.Wherein, formaldehyde sampling core 7 and VOC sampling cores 8 are provided with the sampling cup 1, in order to examine
The formaldehyde and VOC pollutants of tested article are surveyed, therefore, the rim of a cup of the sampling cup 1 is used to connect with the flat surface of thing to be detected
Touch, and the air inside and outside sealing ring isolation sampling cup, and buckling groove 13 is set in the outside of sampling cup 1；One seamed edge of weight 3
Can be with above-mentioned 13 spacing clamping of buckling groove, and the other end for the connecting rod 4 being connected with weight 3 can extend into dual purpose friction
In the stopper slot 61 of seat 6, and by the spacing clamping of side wall of stopper slot 61.Weight 3 and the one end of connecting rod 4 and sampling in the application
1 clamping of cup, the other end and dual purpose friction seat 6 offset clamping, i.e., after both clampings simultaneously, can prevent the position of weight 3 from sending out
Changing, while dual purpose friction seat 6 and sampling cup 1 are fixed, realize the installation to sampling cup 1 and fix.Which solution
The problem of having determined using gluing sampling cup, it is directly that the rim of a cup of sampling cup 1 is relative with determinand, other objects are avoided to detection
Influence, so as to improve the accuracy of detection.
In further embodiment, above-mentioned dual purpose friction seat 6 can also be connected with the rim of a cup thread seal of sampling cup 1.
When passive type pollution flux sampler detection, the rim of a cup needs of sampling cup 1 are directly relative with determinand, therefore can not be close
Envelope, now, dual purpose friction seat 6 is placed on ground or supporting surface, and is realized by the clamping of stopper slot 61 and connecting rod 4 to even
Extension bar 4 it is spacing；And when passive type pollution flux sampler is when not in use, it is necessary to ensure the formaldehyde sampling He of core 7 in sampling cup 1
VOC sampling cores 8 are not contaminated, therefore, it is necessary to the rim of a cup of sampling cup 1 are sealed, now, dual purpose friction seat 6 then exists as cup lid
Thread seal connects at the rim of a cup of sampling cup 1, realizes the sealing to sampling cup 1.The dual purpose friction seat 6 has two effects, pole
The big value for increasing the dual purpose friction seat 6, reduces production cost.Specifically, set at the rim of a cup of sampling cup 1
There is external screw thread 12, and the internal thread 62 coordinated with external screw thread 12 is provided with dual purpose friction base 6.
In order to further improve between the sealing of dual purpose friction seat 6 and sampling cup 1, and sampling cup 1 and thing to be detected
Sealing, pass through in dual purpose friction seat 6 and the threaded connection place of sampling cup 1 in embodiment disclosed herein disclosed above
Sealing ring 2 is sealed.The sealing ring 2 can not only realize the sealing between sampling cup 1 and thing to be detected, can also realize sampling
Cup 1 is sealed with the dual purpose friction seat 6 as cup lid, contaminated inside sampling cup to prevent.Specifically, in sampling cup 1
Fluted 11 are set at rim of a cup, and sealing ring 2 is arranged in the groove 11.In order to prevent sealing ring 2 from coming off, by sealing ring 2
Diameter be set smaller than the diameter of the groove 11.
In preferable implementation, sealing ring 2 is annular, and the section of sealing ring 2 is arranged into dumbbell shaped, i.e., is two up and down
Section is circle, and centre is connected by the bar less than two round diameters, and in sealing, one of section is this sealing ring
Circular section is fastened in groove 11, and another section is fastened on end and the dual purpose friction seat 6 of rim of a cup for circular section
Bottom surface, and middle interconnecting piece then further improves the effect of sealing.A kind of structure of sealing ring 2 is provide only in the application,
Also it can need to set sealing ring 2 of different shapes according to different in practice, as long as dual purpose friction seat 6 and sampling cup can be realized
1 sealing.
In order to further optimize above-mentioned technical proposal, passive type disclosed herein pollution flux sampler also includes setting
Put the snap ring 9 for being used for fixing formaldehyde sampling core 7 and VOC sampling cores 8 in the sampling cup 1, and the snap ring 9 can be with
The inwall of sampling cup 1 offsets.Specifically, the snap ring 9 includes limiting plate, and the both ends of limiting plate and the inwall of sampling cup 1
Connected by spring, after upper formaldehyde sampling core 7 and VOC sampling core 8 are set in sampling cup 1, core 7 is sampled for the ease of PARA FORMALDEHYDE PRILLS(91,95)
It is fixed with VOC sampling cores 8, prevents both from being come off out of sampling cup 1, therefore, by snap ring 9 and sampling cup 1
Wall offsets, and so as to realize the fixation of PARA FORMALDEHYDE PRILLS(91,95) sampling core 7 and VOC sampling cores 8 position, prevents both from being moved in sampling cup 1.This
Snap ring 9 in application quite samples the fixture of core 7 and VOC sampling cores 8 with formaldehyde, therefore, as long as in practice can
Realize that PARA FORMALDEHYDE PRILLS(91,95) sampling core 7 and VOC sample the structure fixed the position of core 8 in protection domain.
On the basis of above-mentioned technical proposal, connecting rod 4 disclosed herein is arranged to telescopic rod, passes through regulation
The length of connecting rod 4 realizes state of the sampling cup 1 with dual purpose friction seat 6 when vertical direction is relative when detecting roof position.
During work, the rim of a cup of sampling cup 1 is relative with roof, and the opening of buckling groove 13 is set towards ground, connecting rod 4 in vertical direction
Put, the clamping of weight 3 and buckling groove 13 can not be realized, connecting rod 4 also can not be with the clamping of dual purpose friction seat 6, now, regulation connection
The length of bar 4, so that weight 3 and connecting rod 4 are against between dual purpose friction seat 6 and sampling cup 1, realize the support to sampling cup 1.
Which can increase the scope of application of the sampler.
In one embodiment by connecting rod 4 be arranged to include the head rod 41 that is connected with weight 3 and for
Second connecting rod 42 of the clamping of stopper slot 61, and the connecting rod 42 of head rod 41 and second is connected together by screw thread.
When in use, by rotating the length of the connecting rod 42 of head rod 41 or second then adjustable connecting rod 4, the connected mode
It is simple in construction, it is easily operated.Specifically, the second connecting rod 42 is set in the outside of head rod 41, and second is connected
Bar 42 is set smaller than one end for being socketed with head rod 41 for the diameter with one end of the clamping of stopper slot 61, to subtract
The quality of the small connecting rod 42.For the ease of operation, annular knurl is provided with the outside of the second connecting rod 42, with increasing friction force,
Person easy to operation is operated.
Weight 3 disclosed herein is arranged to socket cap in further embodiment, and the socket cap is straight
Footpath is more than the width of buckling groove 13, to ensure that the seamed edge of socket cap 3 can be connected in buckling groove 13.One is merely provided herein
Plant the concrete shape of weight 3 but be not limited in such a shape in the application, also weight 3 can be arranged to other in practice
Shape, such as square or cuboid.
In order to increase the frictional force of dual purpose friction seat 6 and ground, the application is coated with the outside bottom surface of dual purpose friction seat 6
One layer of elastic coating for being used for increasing friction force, such as rubber layer.
In specific embodiment, sampling cup 1 disclosed herein is aluminum alloy body, can also use other close in practice
The lighter material of degree, to avoid sampling cup quality overweight.And weight 3 is made using the heavier copper alloy of density or stainless steel,
Above-mentioned sealing ring 2 is silicon rubber, influences to detect to avoid the pollution of the PARA FORMALDEHYDE PRILLS(91,95) of sealing ring 2 sampling core 7 and VOC sampling cores 8
As a result.
Each embodiment is described by the way of progressive in this specification, what each embodiment stressed be and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or using the present invention.
A variety of modifications to these embodiments will be apparent for those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope caused.
Claims (9)
1. a kind of passive type pollutes flux sampler, it is characterised in that including：
Sampling cup (1), the sampling cup (1) is interior to be provided with formaldehyde sampling core (7) and VOC sampling cores (8), the sampling cup (1)
Rim of a cup be used for it is relative with thing to be detected, the outside of the sampling cup (1) has buckling groove (13)；
The sealing ring being arranged at the sampling cup rim of a cup, the sealing ring can be tightly connected with the thing to be detected；
Weight (3), a seamed edge of the weight (3) can be with the buckling groove (13) spacing clamping；
The connecting rod (4) being connected with the weight (3)；
Dual purpose friction seat (6), the dual purpose friction seat (6) have stopper slot (61), and the connecting rod (4) can extend into the limit
Position groove (61), and by the spacing clamping of side wall of the stopper slot (61).
2. passive type according to claim 1 pollutes flux sampler, it is characterised in that dual purpose friction seat (6) energy
It is enough to be threadedly coupled with the rim of a cup of the sampling cup (1), and sealed by the sealing ring.
3. passive type according to claim 2 pollutes flux sampler, it is characterised in that the section of the sealing ring (2)
Include the rectangular surfaces of two discs of two discs and connection.
4. passive type according to claim 1 pollutes flux sampler, it is characterised in that also includes being arranged on the sampling
It is used for the snap ring (9) for fixing the formaldehyde sampling core (7) and VOC sampling cores (8), the snap ring in cup (1)
(9) can be offseted with the inwall of the sampling cup (1).
5. passive type according to claim 1 pollutes flux sampler, it is characterised in that the connecting rod (4) is to stretch
Contracting bar.
6. passive type according to claim 5 pollutes flux sampler, it is characterised in that the connecting rod (4) include with
The connected head rod (41) of the weight (3) and for the second connecting rod (42) with the stopper slot (61) clamping, institute
Head rod (41) is stated to be socketed with the second connecting rod (42) screw thread.
7. passive type according to claim 1 pollutes flux sampler, it is characterised in that the weight (3) is socket cap,
And the diameter of the socket cap is more than the width of the buckling groove (13).
8. the passive type pollution flux sampler according to claim any one of 1-7, it is characterised in that the dual purpose friction
The outside bottom surface of seat (6) has the elastic coating for increasing friction force.
9. passive type according to claim 8 pollutes flux sampler, it is characterised in that the sampling cup (1) is closed for aluminium
Jin Ti.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510589959.8A CN105115791B (en) | 2015-09-16 | 2015-09-16 | A kind of passive type pollutes flux sampler |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510589959.8A CN105115791B (en) | 2015-09-16 | 2015-09-16 | A kind of passive type pollutes flux sampler |
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| CN105115791A CN105115791A (en) | 2015-12-02 |
| CN105115791B true CN105115791B (en) | 2018-03-06 |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105424420B (en) * | 2015-12-24 | 2018-09-04 | 深圳市建筑科学研究院股份有限公司 | A kind of passive type pollution flux sampler |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2269668A (en) * | 1992-08-14 | 1994-02-16 | British Tech Group | Passive dust sampler |
| JP2003185541A (en) * | 2001-12-17 | 2003-07-03 | Japan Science & Technology Corp | Passive sampler for capturing volatile organic compound |
| US7559980B2 (en) * | 2006-01-18 | 2009-07-14 | Skc, Inc. | Absorbent transfer for passive sampling badge |
| CN102353561B (en) * | 2011-06-22 | 2014-08-13 | 深圳市建筑科学研究院有限公司 | Semi-passive air sampler |
| CN202229955U (en) * | 2011-10-13 | 2012-05-23 | 中国疾病预防控制中心环境与健康相关产品安全所 | Passive type sampler for nicotine monitoring in indoor air |
| CN102384895A (en) * | 2011-11-15 | 2012-03-21 | 中华人民共和国北京出入境检验检疫局 | Field atmosphere detection system and detection method thereof |
| CN103033398B (en) * | 2012-12-19 | 2015-02-11 | 深圳市建筑科学研究院股份有限公司 | Timed passive air sampler |
| CN103278354A (en) * | 2013-04-28 | 2013-09-04 | 西安建筑科技大学 | Passive atmosphere sampler used for fog haze aerosol in high-rise buildings |
| CN103398878B (en) * | 2013-08-15 | 2015-08-19 | 深圳市建筑科学研究院股份有限公司 | A kind of passive type air sampler |
| CN205067165U (en) * | 2015-09-16 | 2016-03-02 | 深圳市建筑科学研究院股份有限公司 | Passive form pollutes flux sample thief |
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