CN203929458U - Wind gathering cover and there is the PM2.5 tester of this wind gathering cover - Google Patents
Wind gathering cover and there is the PM2.5 tester of this wind gathering cover Download PDFInfo
- Publication number
- CN203929458U CN203929458U CN201420280939.3U CN201420280939U CN203929458U CN 203929458 U CN203929458 U CN 203929458U CN 201420280939 U CN201420280939 U CN 201420280939U CN 203929458 U CN203929458 U CN 203929458U
- Authority
- CN
- China
- Prior art keywords
- air
- gathering cover
- wind gathering
- wind
- guide member
- 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
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
Abstract
The utility model is applicable to PM2.5 pick-up unit technical field, discloses a kind of wind gathering cover and has had the PM2.5 tester of this wind gathering cover.Above-mentioned wind gathering cover comprises outlet section, air dam and 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, on described outlet section, offer air outlet, in described cavity, be provided with the air guide member for wind-guiding.Above-mentioned PM2.5 tester comprises above-mentioned wind gathering cover.The wind gathering cover that the utility model provides, simple in structure, wind effectively can be concentrated, air output is large, has improved efficiency when PM2.5 tester detects the accuracy of numerical value and detects.
Description
Technical field
The utility model belongs to PM2.5 pick-up unit technical field, relates in particular to a kind of wind gathering cover and has the PM2.5 tester of this wind gathering cover.
Background technology
PM2.5 claims again particulate, fine grained.PM2.5: refer to that aerodynamics equivalent diameter in surrounding air is less than or equal to the particle of 2.5 μ m (micron), also claim to enter lung particle.Although PM2.5 is the little component of content in earth atmosphere composition, it has important impact to air quality and visibility etc.PM2.5 particle diameter is little, contains that a large amount of poisonous and harmful substances and atmospheric residence time are long, fed distance is far away, therefore very large on the impact of health and atmosphere quality.
The physiological structure of human body determined human body to PM2.5 without any filtering, obstruction ability, and PM2.5 progress along with medical technology to the harm of human health, exposes the one side of its terror gradually.Everyone will suck the air of approximately 10,000 liters average every day, the micronic dust that enters 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, for example, 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 harmful gas, the heavy metal etc. wherein containing can be dissolved in blood, larger to the injury of health.
In order to make accurately perception local air quality of the common people, to reduce it polluting the outdoor activity of weather or reminding it to take corresponding safeguard measure, PM2.5 is carried out to convenient, fast, real-time detection and just become the work being significant.
The testing process of PM2.5 is mainly divided into two parts: collect and analyze.And existing PM2.5 tester is gathering in the process of air because air-out disperses, just cause detect inaccurate, the problem such as detection efficiency is low.
Utility model content
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, a kind of wind gathering cover is provided and has there is the PM2.5 tester of this wind gathering cover, it is simple in structure for wind gathering cover, wind can be collected, air-out concentrate, improved the accuracy of the PM2.5 tester detected value with this wind gathering cover and the efficiency of detection.
The technical solution of the utility model is: a kind of wind gathering cover, while detection for PM2.5, the collection wind of blower fan is supplied gas, comprise outlet section, air dam and 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, on described outlet section, offer air outlet, in described cavity, be provided with the air guide member for wind-guiding.
Particularly, described air dam is " cylinder " shape, and described air guide member is the flat member being arranged on described air dam madial wall, and described air guide member spacing is provided with multiple, between each described air guide member, is formed with diversion trench.
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 " taper ", and described air outlet is arranged on the top of described outlet section.
Particularly, on described installation portion, offer the connecting hole being connected with described blower fan.
The utility model also provides a kind of PM2.5 tester, comprises above-mentioned wind gathering cover.
A kind of wind gathering cover that the utility model provides, by outlet section, air dam and installation portion are combined to form to the cavity that air feed passes through, and in air dam, be provided with the air guide member for wind-guiding, by the guiding of air guide member, the air that blower fan can be blowed in cavity is concentrated, then concentrate and blow out from the air outlet being arranged on outlet section, thereby improved the air output of air outlet.
Adopt the PM2.5 tester of above-mentioned wind gathering cover, by the wind gathering cover collection wind that leads, make that the wind that blows out from wind gathering cover is more concentrated, air quantity is large, improved accuracy when PM2.5 tester detects and the efficiency of detection.
Brief description of the drawings
Fig. 1 is the wind gathering cover that provides of the utility model embodiment and the installation connection diagram of blower fan;
Fig. 2 is the overall schematic perspective view of the wind gathering cover that provides of the utility model embodiment;
Fig. 3 is that wind gathering cover and the blower fan that the utility model embodiment provides assembled postrun wind direction schematic diagram.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
As shown in Figure 1 to Figure 3, a kind of wind gathering cover 1 that the utility model embodiment provides, the collection wind to blower fan 2 while detection for PM2.5 is supplied gas.Like this, the air stream that blower fan 2 produces first passes through wind gathering cover 1, then blows to tester, thereby detects the numerical value of PM2.5 in air.Wind gathering cover 1 comprise outlet section 11, air dam 12 with for the installation portion 13 being connected being installed with blower fan 2, 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, on outlet section 11, offer air outlet 111, in cavity 14, be provided with the air guide member 15 for wind-guiding.By such setting, just can whole wind gathering cover 1 be realized and being connected and fixed with blower fan 2 by installation portion 13, blower fan 2 could all blow to the wind of generation in cavity 14 like this, and then air outlet 111 from outlet section 11 blows out.Because traditional detection mode is directly to blow with blower fan 2, wind direction is more chaotic like this, and the wind blowing out disperses, do not concentrate, and is unfavorable for the detection of later stage PM2.5 numerical value.The application by installing and be connected with wind gathering cover 1 on blower fan 2, and by be provided with air guide member 15 in air dam 12, air guide member 15 can lead to the air-flow direction entering in cavity 14, air can all be flowed towards identical direction (being air outlet 111), thereby avoided due to the chaotic problem that causes air-out to disperse of wind direction.Under the guiding elicitation effect at air guide member 15, the wind that blows out from air outlet 111 is concentrated, the air quantity that blows to detection is large, thereby makes the numerical value that detects more accurate, has overcome and in traditional detection process, has detected the inaccurate defect of numerical value.
The wind gathering cover 1 that the utility model provides, one-body molded to outlet section 11, air dam 12 and installation portion 13 setting formed to the cavity 14 passing through for air, by be provided with air guide member 15 in cavity 14, like this under the guide effect of air guide member 15, can make blower fan 2 blow to wind in cavity 14 concentrates and blows out from air outlet 111, thereby improve the air output of air outlet 111, and then guaranteed to detect the accuracy of PM2.5 numerical value and the efficiency of detection in air, overcome in traditional detection process because air output disperses, do not concentrate and cause detecting the inaccurate defect of numerical value.
Particularly, as depicted in figs. 1 and 2, air dam 12 is " cylinder " shape, and air guide member 15 is for being arranged on the flat member on air dam 12 madial walls, and it is multiple that air guide member 15 spacing are provided with, and between each air guide member 15, is formed with diversion trench 151.Air guide member 15 is flat member, and be arranged on the madial wall of cylindric air dam 12, like this, each air guide member 15 is separated the inner chamber of air dam 12, and form diversion trench 151 between each air guide member 15, make the air that enters under the obstruct of air guide member 15, guiding, 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 to flow to air outlet 111, thereby 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 according to the size of wind gathering cover 1 volume, to realize the collection wind effect of its maximum.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, thereby has ensured the sorrow of collection wind effect.
Particularly, as shown in Figure 1 to Figure 3, outlet section 11 is " taper ", and air outlet 111 is arranged on the top of outlet section 11." taper " is arranged to in outlet section 11, like this, the area of outlet section 11 horizontal slices diminishes from bottom to up gradually, collection wind action has further been played in diminishing outlet section 11, and air outlet 111 is arranged on the position at 11 tops, outlet section, thereby the air quantity blowing out from air outlet 111 is large, concentrate, be convenient to detect.
Particularly, as shown in Figure 1, on installation portion 13, offer the connecting hole 131 being connected with blower fan 2.By such setting, in connecting hole 131, wear the securing member such as screw, bolt, realize detachable connection the between wind gathering cover 1 and blower fan 2, convenient and fast connection.Certainly, understandably, also can adopt buckle, the alternate manners such as screw thread are realized being connected between wind gathering cover 1 and blower fan 2.
The utility model also provides a kind of PM2.5 tester, comprises above-mentioned wind gathering cover 1.Wind gathering cover 1 wind gathering is effective, and the wind that blower fan 2 can be produced is concentrated and blown out, and the air quantity that makes to blow to tester is large, has improved and has detected the accuracy of numerical value and the efficiency of detection.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any amendments of doing within spirit of the present utility model and principle, be equal to and replace or improvement etc., within all should being included in protection domain of the present utility model.
Claims (6)
1. a wind gathering cover, while detection for PM2.5, the collection wind of blower fan is supplied gas, it is characterized in that, comprise outlet section, air dam and 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, on described outlet section, offer air outlet, in described cavity, be 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 " cylinder " shape, and described air guide member is the flat member being arranged on described air dam madial wall, described air guide member spacing is provided with multiple, between each described air guide member, is formed with diversion trench.
3. wind gathering cover as claimed in claim 2, 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 " 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, offers the connecting hole being connected with described blower fan on described installation portion.
6. a PM2.5 tester, is characterized in that, comprises the wind gathering cover described in any one in claim 1 to 5.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420280939.3U CN203929458U (en) | 2014-05-29 | 2014-05-29 | Wind gathering cover and there is the PM2.5 tester of this wind gathering cover |
| PCT/CN2014/079062 WO2015180194A1 (en) | 2014-05-29 | 2014-06-03 | Air concentration cover and pm2.5 tester having same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420280939.3U CN203929458U (en) | 2014-05-29 | 2014-05-29 | Wind gathering cover and there is the PM2.5 tester of this wind gathering cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203929458U true CN203929458U (en) | 2014-11-05 |
Family
ID=51825258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420280939.3U Ceased CN203929458U (en) | 2014-05-29 | 2014-05-29 | Wind gathering cover and there is the PM2.5 tester of this wind gathering cover |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN203929458U (en) |
| WO (1) | WO2015180194A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105277394A (en) * | 2014-05-29 | 2016-01-27 | 深圳华盛昌机械实业有限公司 | Wind accumulation cover and PM2.5 tester having wind accumulation cover |
| CN116465858A (en) * | 2023-05-05 | 2023-07-21 | 商丘师范学院 | PM2.5 concentration detection device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2494486Y (en) * | 2001-06-06 | 2002-06-05 | 英志企业股份有限公司 | Heat sink with air skirt |
| JP4588387B2 (en) * | 2004-08-20 | 2010-12-01 | 株式会社前川製作所 | Insect or dust-proof air shutter |
| US7318771B2 (en) * | 2005-07-19 | 2008-01-15 | Institute Of Occupational Safety And Health, Council Of Labor Affairs | Air-isolator fume hood |
| CN202676572U (en) * | 2012-06-25 | 2013-01-16 | 深圳市深越光电技术有限公司 | Air quality detector based on capacitive touch screen |
| CN202868798U (en) * | 2012-09-11 | 2013-04-10 | 曾德邻 | Wind collecting device with oriented suction function |
| CN203231690U (en) * | 2013-01-31 | 2013-10-09 | 华北电力大学（保定） | Rain belt eddy flow wind-guiding apparatus of natural draft cooling tower |
-
2014
- 2014-05-29 CN CN201420280939.3U patent/CN203929458U/en not_active Ceased
- 2014-06-03 WO PCT/CN2014/079062 patent/WO2015180194A1/en active Application Filing
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105277394A (en) * | 2014-05-29 | 2016-01-27 | 深圳华盛昌机械实业有限公司 | Wind accumulation cover and PM2.5 tester having wind accumulation cover |
| CN116465858A (en) * | 2023-05-05 | 2023-07-21 | 商丘师范学院 | PM2.5 concentration detection device |
| CN116465858B (en) * | 2023-05-05 | 2023-11-03 | 商丘师范学院 | PM2.5 concentration detection device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2015180194A1 (en) | 2015-12-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 518000 Guangdong city of Shenzhen province Nanshan District Xili white Wangsong White Road industrial area 19 Building five Piovan letter Patentee 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 Patentee before: Shenzhen Everbest Machinery Industry Co., Ltd. |
|
| IW01 | Full invalidation of patent right | ||
| IW01 | Full invalidation of patent right |
Decision date of declaring invalidation: 20170125 Decision number of declaring invalidation: 31301 Granted publication date: 20141105 |