CN105277394A - Wind accumulation cover and PM2.5 tester having wind accumulation cover - Google Patents
Wind accumulation cover and PM2.5 tester having wind accumulation cover Download PDFInfo
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- CN105277394A CN105277394A CN201410234031.3A CN201410234031A CN105277394A CN 105277394 A CN105277394 A CN 105277394A CN 201410234031 A CN201410234031 A CN 201410234031A CN 105277394 A CN105277394 A CN 105277394A
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Abstract
The present invention belongs to the technical field of PM2.5 detection, and discloses a wind accumulation cover and a PM2.5 tester having the wind accumulation cover. The wind accumulation cover comprises a wind outlet part, a wind guide part, and an installation part for forming an installing connection with a fan, wherein the wind outlet part, the wind guide part and the installation part are subjected to integrated molding, and are combined to form a cavity for passing through of wind, the wind outlet part is provided with a wind outlet, and a wind guide member for guiding wind is arranged inside the cavity. The PM2.5 tester comprises the wind accumulation cover. According to the present invention, the wind accumulation cover has characteristics of simple structure, effective wind accumulation, high wind outlet amount, and improvement of the value detection accuracy and the detection efficiency of the PM2.5 tester.
Description
Technical field
The invention belongs to PM2.5 pick-up unit technical field, particularly relate to a kind of wind gathering cover and there is the PM2.5 tester of this wind gathering cover.
Background technology
PM2.5 is also known as particulate, fine grained.PM2.5: refer to that in surrounding air, aerodynamics equivalent diameter is less than or equal to the particle of 2.5 μm (microns), also claims to enter lung particle.Although PM2.5 is the component that in earth atmosphere composition, content is little, it has important impact to air quality and visibility etc.PM2.5 particle diameter is little, containing a large amount of poisonous and harmful substances and atmospheric residence time is long, fed distance is far away, therefore very large on the impact of health and atmosphere quality.
The physiological structure of human body determines human body to PM2.5 without any filtration, obstruction ability, and PM2.5 is to the progress of the harm of human health along with medical technology, exposes the one side of its terror gradually.Everyone will suck the air of about 10,000 liters average every day, the micronic dust entering alveolar can be rapidly absorbed, directly enter blood circulation without liver detoxification is distributed to whole body everywhere, and then the ability of infringement haemoglobin delivery of oxygen, cause blood loss, concerning the patient of anaemia and blood circulation disorder, this situation may produce very serious consequence, such as, may increase the weight of respiratory disease, even causes the heart disease such as congestive heart failure and coronary artery.These particles also will enter blood by bronchus and alveolar, and the harmful gas wherein contained, heavy metal etc. can dissolve in blood, larger to the injury of health.
In order to make the common people can accurately perception local air quality, to reduce it polluting the outdoor activity of weather or reminding it to take corresponding safeguard measure, convenient, fast, real-time detection being carried out to PM2.5 and just becomes the work be significant.
The testing process of PM2.5 is mainly divided into two parts: collect and analyze.And existing PM2.5 tester comparatively disperses due to air-out in the process gathering air, just cause detect inaccurate, the problems such as detection efficiency is low.
Summary of the invention
The object of the invention is to overcome above-mentioned the deficiencies in the prior art, provide a kind of wind gathering cover and there is the PM2.5 tester of this wind gathering cover, its structure of wind gathering cover is simple, wind can be collected, air-out concentrates, improve the accuracy of PM2.5 tester detected value and the efficiency of detection with this wind gathering cover.
Technical scheme of the present invention is: a kind of wind gathering cover, when detecting for PM2.5, the collection wind of blower fan is supplied gas, comprise outlet section, air dam and the installation portion for being connected with described assembling, described outlet section, described air dam and described installation portion are one-body molded, and be combined to form the cavity that air feed passes through, described outlet section offers air outlet, in described cavity, is provided with the air guide member for wind-guiding.
Particularly, described air dam is in " cylinder " shape, and described air guide member is be arranged on the flat member on described air dam madial wall, and described air guide member spacing is provided with multiple, is formed with diversion trench between each described air guide member.
Preferably, described air guide member is provided with three, and is equally distributed on the madial wall of described air dam.
Particularly, described outlet section is in " taper ", and described air outlet is arranged on the top of described outlet section.
Particularly, described installation portion offers the connecting hole be connected with described blower fan.
Present invention also offers a kind of PM2.5 tester, comprise above-mentioned wind gathering cover.
A kind of wind gathering cover provided by the invention, by outlet section, air dam and installation portion being combined to form the cavity that air feed passes through, and the air guide member be provided with in air dam for wind-guiding, by the guiding of air guide member, blower fan can be concentrated by the air blowed in cavity, then concentrate the air outlet blowout from being arranged on outlet section, thus improve the air output of air outlet.
Adopt the PM2.5 tester of above-mentioned wind gathering cover, by wind gathering cover guiding collection wind, make from more concentrated, the air quantity of wind of wind gathering cover blowout large, improve the efficiency of accuracy when PM2.5 tester detects and detection.
Accompanying drawing explanation
Fig. 1 is the installation connection diagram of the wind gathering cover that provides of the embodiment of the present invention and blower fan;
Fig. 2 is the overall schematic perspective view of the wind gathering cover that the embodiment of the present invention provides;
Fig. 3 is that postrun wind direction schematic diagram assembled by the wind gathering cover that provides of the embodiment of the present invention and blower fan.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
As shown in Figure 1 to Figure 3, a kind of wind gathering cover 1 that the embodiment of the present invention provides, supplies gas to the collection wind of blower fan 2 when detecting for PM2.5.Like this, the air stream that blower fan 2 produces, first through wind gathering cover 1, then blows to tester, thus detects the numerical value of PM2.5 in air.Wind gathering cover 1 comprise outlet section 11, air dam 12 with for installing with blower fan 2 installation portion 13 be connected, outlet section 11, air dam 12 and installation portion 13 are one-body molded, and be combined to form the cavity 14 that air feed passes through, outlet section 11 offers air outlet 111, in cavity 14, be provided with the air guide member 15 for wind-guiding.By such setting, just can be realized being connected and fixed with blower fan 2 by whole wind gathering cover 1 by installation portion 13, the wind of generation could all blow in cavity 14 by such blower fan 2, and then blows out from the air outlet 111 outlet section 11.Because traditional detection mode is directly blown with blower fan 2, such wind direction is more chaotic, and the wind of blowout comparatively disperses, do not concentrate, and is unfavorable for the detection of later stage PM2.5 numerical value.The application is connected with wind gathering cover 1 by installing on blower fan 2, and by being provided with air guide member 15 in air dam 12, air guide member 15 can lead to the air-flow direction entered in cavity 14, enable air all towards the flowing of identical direction (i.e. air outlet 111), thus avoid the problem causing air-out to disperse because wind direction is chaotic.By under the guiding elicitation effect of air guide member 15, the wind blown out from air outlet 111 is concentrated, the air quantity blowing to detection is large, thus makes the numerical value of detection more accurate, overcomes in traditional detection process and detects the inaccurate defect of numerical value.
Wind gathering cover 1 provided by the invention, by one-body molded to outlet section 11, air dam 12 and installation portion 13, the cavity 14 being formed and pass through for air is set, by being provided with air guide member 15 in cavity 14, like this under the guide effect of air guide member 15, blower fan 2 wind blowed in cavity 14 can be made to concentrate blow out from air outlet 111, thus improve the air output of air outlet 111, and then ensure that the accuracy of PM2.5 numerical value and the efficiency of detection in detection air, overcome in traditional detection process because air output dispersion, concentrated causing detect the inaccurate defect of numerical value.
Particularly, as depicted in figs. 1 and 2, air dam 12 is in " cylinder " shape, and air guide member 15 is for being arranged on the flat member on air dam 12 madial wall, and air guide member 15 spacing is provided with multiple, is formed with diversion trench 151 between each air guide member 15.Air guide member 15 is flat member, and be arranged on the madial wall of cylindric air dam 12, like this, the inner chamber of air dam 12 is separated by each air guide member 15, and form diversion trench 151 between each air guide member 15, make the air entered under the obstruct, guiding of air guide member 15, can pass through from corresponding diversion trench 151, then blow out from air outlet 111.Under the effect of air guide member 15, the air flow direction in whole cavity 14 is identical, is all flow to air outlet 111, thus makes that air-out is more concentrated, air output is large.
Preferably, as depicted in figs. 1 and 2, air guide member 15 is provided with three, and is equally distributed on the madial wall of air dam 12.In the middle of practical application, the number of its inner air guide member 15 can be set, to realize its maximum collection wind effect according to the size of wind gathering cover 1 volume.Therefore, according to designing requirement, in the present embodiment, air guide member 15 is provided with three, is evenly distributed on the madial wall of air dam 12, thus ensure that the most sorrow of collection wind effect.
Particularly, as shown in Figure 1 to Figure 3, outlet section 11 is in " taper ", and air outlet 111 is arranged on the top of outlet section 11.Outlet section 11 is arranged to " taper ", like this, the area of outlet section 11 horizontal slice diminishes from bottom to up gradually, diminishing outlet section 11 serves collection wind action further, and air outlet 111 is arranged on the position at top, outlet section 11, thus large from the air quantity of air outlet 111 blowout, concentrate, be convenient to detect.
Particularly, as shown in Figure 1, installation portion 13 offers the connecting hole 131 be connected with blower fan 2.By such setting, wear the securing member such as screw, bolt in connecting hole 131, to realize between wind gathering cover 1 with blower fan 2 detachable is connected, convenient and fast connection.Certainly, understandably, also can adopt buckle, the alternate manners such as screw thread realize the connection between wind gathering cover 1 and blower fan 2.
Present invention also offers a kind of PM2.5 tester, comprise above-mentioned wind gathering cover 1.Wind gathering cover 1 wind gathering is effective, and the wind that blower fan 2 can be produced concentrates blowout, makes the air quantity blowing to tester large, improves and detect the accuracy of numerical value and the efficiency of detection.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement or improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. a wind gathering cover, when detecting for PM2.5, the collection wind of blower fan is supplied gas, it is characterized in that, comprise outlet section, air dam and the installation portion for being connected with described assembling, described outlet section, described air dam and described installation portion are one-body molded, and be combined to form the cavity that air feed passes through, described outlet section offers air outlet, in described cavity, is provided with the air guide member for wind-guiding.
2. wind gathering cover as claimed in claim 1, it is characterized in that, described air dam is in " cylinder " shape, and described air guide member is be arranged on the flat member on described air dam madial wall, described air guide member spacing is provided with multiple, is formed with diversion trench between each described air guide member.
3. wind gathering cover as claimed in claim 2, it is characterized in that, described air guide member is provided with three, and is equally distributed on the madial wall of described air dam.
4. wind gathering cover as claimed in claim 1, is characterized in that, described outlet section is in " taper ", and described air outlet is arranged on the top of described outlet section.
5. wind gathering cover as claimed in claim 1, is characterized in that, described installation portion offers the connecting hole be connected with described blower fan.
6. a PM2.5 tester, is characterized in that, comprises the wind gathering cover in claim 1 to 5 described in any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410234031.3A CN105277394A (en) | 2014-05-29 | 2014-05-29 | Wind accumulation cover and PM2.5 tester having wind accumulation cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410234031.3A CN105277394A (en) | 2014-05-29 | 2014-05-29 | Wind accumulation cover and PM2.5 tester having wind accumulation cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105277394A true CN105277394A (en) | 2016-01-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410234031.3A Pending CN105277394A (en) | 2014-05-29 | 2014-05-29 | Wind accumulation cover and PM2.5 tester having wind accumulation cover |
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| CN (1) | CN105277394A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108426809A (en) * | 2018-02-28 | 2018-08-21 | 杭州电子科技大学 | One kind being based on the sidewise scattered round-the-clock PM2.5 concentration real-time detection apparatus of CCD |
| CN113702574A (en) * | 2021-07-21 | 2021-11-26 | 北京师范大学 | Nitrogen dioxide sailing monitor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108426809A (en) * | 2018-02-28 | 2018-08-21 | 杭州电子科技大学 | One kind being based on the sidewise scattered round-the-clock PM2.5 concentration real-time detection apparatus of CCD |
| CN113702574A (en) * | 2021-07-21 | 2021-11-26 | 北京师范大学 | Nitrogen dioxide sailing monitor |
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Address after: 518000 Guangdong city of Shenzhen province Nanshan District Xili white Wangsong White Road industrial area 19 Building five Piovan letter Applicant after: Shenzhen City Huasheng Technology Industry Limited by Share Ltd Address before: 518000 Guangdong city of Shenzhen province Nanshan District Xili white Wangsong White Road industrial area 19 Building five Piovan letter Applicant before: Shenzhen Everbest Machinery Industry Co., Ltd. |
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Application publication date: 20160127 |