CN104316444A - Domestic air quality detection device - Google Patents
Domestic air quality detection device Download PDFInfo
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- CN104316444A CN104316444A CN201410628369.7A CN201410628369A CN104316444A CN 104316444 A CN104316444 A CN 104316444A CN 201410628369 A CN201410628369 A CN 201410628369A CN 104316444 A CN104316444 A CN 104316444A
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Abstract
The invention provides a domestic air quality detection device which comprises a shell, wherein an air inlet and an air outlet are formed in the shell; partitioning valves are respectively arranged on the air inlet and the air outlet respectively; a dark chamber can be formed inside the shell when the two partitioning valves are closed. The domestic air quality detection device is simple in structure, low in cost and can be used in families; a light scattering method is adopted to detect, rapid analysis and evaluation can be achieved through template analysis, ordinary air quality evaluation can be achieved, and the real-time detection on the air quality is achieved.
Description
Technical field
The present invention relates to Detection of Air Quality technical field, particularly relate to a kind of domestic air quality detection device.
Background technology
Fine particle, also known as PM2.5, refers to that in surrounding air, aerodynamics equivalent diameter is less than or equal to the particle of 2.5 microns, and it can be suspended in air the long period, and content concn is higher in atmosphere for it, just represents air pollution more serious; Although PM2.5 is the component that in earth atmosphere composition, content is little, it has important impact to air quality and visibility etc.Compared with thicker Atmospheric particulates, PM2.5 particle diameter is little, and area is large, active strong, easily attach poisonous and harmful substances (such as, heavy metal, microorganism etc.), and the residence time is in an atmosphere grown, fed distance is far away, thus larger on the impact of health and atmosphere quality.
In recent years, along with the fast development of industry, in air, the content of PM2.5 sharply increases, all there is haze weather in various degree in a lot of city, under so severe form, even our indoor environment of living, can not ensure that air quality can not impact our health; In order to remove the worry to IAQ (indoor air quality), it may be necessary a kind of detecting instrument and the content of PM2.5 in room air is confirmed; For dust content, especially the detection of the content of PM2.5, mainly adopt weight method, concussion sedimentation balance method, light scattering method or β rays method, the shortcomings such as the pick-up unit volume of dust at present content is comparatively large, complex structure, expensive and detection time are long, and be not suitable for general family and at ordinary times the quality of room air detected.
Summary of the invention
The technical problem to be solved in the present invention is: being not suitable for family's use to solve the current detecting instrument for dust content, the invention provides a kind of domestic air quality detection device and solving the problems referred to above.
The technical solution adopted for the present invention to solve the technical problems is: a kind of domestic air quality detection device, comprise housing, described housing have air intake vent and air outlet, described air intake vent and air outlet are respectively arranged with an obstruct valve, when two described obstruct valves cut out, in described housing, form darkroom;
Be provided with in described darkroom:
Pipeline penetrating up and down, the two ends up and down of described pipeline are docked with air intake vent and air outlet respectively, the middle part of described pipeline is sensing chamber, and the left and right sides of described sensing chamber has the first light hole and the second light hole respectively, and the inwall of described sensing chamber is provided with ceramic layer;
Laser generator, the light source emitting head of described laser generator is arranged on described first light hole place;
Lens, the result light beam that the effect for gathering laser beam and dust is formed afterwards, described lens are arranged on described second light hole place;
Image composer, described image composer is arranged on the right side of described lens, for receiving described result light beam and forming detected image;
Controller, described controller is connected with described image composer, for described detected image and template image are carried out contrast and analysis, and the testing result of production dust in air content.
As preferably, comprise and be arranged on ducted exhaust fan.
As preferably, described laser generator has multiple prefabricated rotation position, for multiple directions Emission Lasers bundle.
As preferably, described controller is connected with alarm, display screen and guidance panel.
Concrete, also comprise power supply, the input end access civil power of described power supply, output terminal is connected with laser generator and controller respectively.
As preferably, described controller is also provided with USB interface and network interface.
The invention has the beneficial effects as follows, this this apparatus structure of domestic air quality detection device is simple, with low cost, is used in family and uses; Employing light scattering method detects, and can carry out express-analysis and evaluation, can be used for general Air Quality Evaluation, detect in real time the realization of air quality by template analysis.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the structural representation of the optimum embodiment of domestic air quality detection device of the present invention.
In figure 1, housing, 2, intercept valve, 3, pipeline, 4, laser generator, 5, lens, 6, image composer, 7, controller, 8, exhaust fan, 9, power supply, 10, guidance panel, 11, alarm, 12, display screen.
Embodiment
In conjunction with the accompanying drawings, the present invention is further detailed explanation.These accompanying drawings are the schematic diagram of simplification, only basic structure of the present invention are described in a schematic way, and therefore it only shows the formation relevant with the present invention.
As shown in Figure 1, the invention provides a kind of domestic air quality detection device, comprise housing 1, housing 1 has air intake vent and air outlet, air intake vent and air outlet are respectively arranged with the interior formation darkroom of housing 1 when an obstruct valve 2, two obstruct valves 2 cut out;
Be provided with in darkroom:
Pipeline 3 penetrating up and down, the two ends up and down of pipeline 3 are docked with air intake vent and air outlet respectively, and the middle part of pipeline 3 is sensing chamber, and the left and right sides of sensing chamber has the first light hole and the second light hole respectively, and the inwall of sensing chamber is provided with ceramic layer;
Laser generator 4, the light source emitting head of laser generator 4 is arranged on the first light hole place;
Lens 5, the result light beam that the effect for gathering laser beam and dust is formed afterwards, lens 5 are arranged on the second light hole place;
Image composer 6, image composer 6 is arranged on the right side of lens 5, forms detected image for reception result light beam;
Controller 7, controller 7 is connected with image composer 6, for detected image and template image are carried out contrast and analysis, and the testing result of production dust in air content;
Power supply 9, the input end access civil power of power supply 9, output terminal is connected with laser generator 4 and controller 7 respectively;
Wherein, exhaust fan 8 is provided with in pipeline 3, before obstruct valve 2 cuts out, exhaust fan 8 may be used for cleaning sensing chamber, what minimizing ceramic layer adhered to is divided into, and when intercepting valve 2 and closing formation darkroom, exhaust fan 8 makes the sufficient movement in sensing chamber, form stable testing environment, improve the accuracy of testing result;
Because the area coverage of laser beam is limited, can affect the accuracy of testing result, thus in order to reduce sampling error, laser generator 4 has 3 prefabricated rotation positions, for 3 direction Emission Lasers bundles, improves the coverage rate of laser beam;
Controller 7 is connected with alarm 11, display screen 12 and guidance panel 10, the testing result of dust in air content can inform user by display screen 12, when dust content is too high, given a warning to user by alarm 11, user passes on instruction by guidance panel 10 to controller 7;
Controller 7 is also provided with USB interface and network interface, and external unit obtains the detection data stored in the storer of controller 7, for further analysis by USB interface or network interface;
Built-in control software design in controller 7, realizes for utilizing this domestic air quality detection device detecting the dust content in air, comprising:
Supply module, carries out voltage transitions by the civil power of access power supply 9, for exhaust fan 8, the power supply intercepting valve 2 and pictcure generator;
Intercept valve control module, when forming darkroom and closing darkroom, control the closedown of two obstruct valves 2 and open;
Exhaust fan control module, for controlling the startup of exhaust fan 8, stopping and rotating speed;
Image composer control module, for controlling image composer 6 reception result light beam and forming detected image;
Image analysis module, carries out contrast and analysis by detected image and template image, and the testing result of production dust in air content;
Memory module, for storing template image, steering order, detected image and testing result;
Display module, outputs to testing result on display screen 12 and shows;
Warning module, when dust in air content severe overweight, passes on alarm command to alarm 11;
Interface module, connects for controlling USB interface and network interface and external unit, and manages the transmission exported.
With above-mentioned according to desirable embodiment of the present invention for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this invention technological thought, can carry out various change and amendment completely.The technical scope of this invention is not limited to the content on instructions, must determine its technical scope according to right.
Claims (6)
1. a domestic air quality detection device, is characterized in that: comprise housing, described housing has air intake vent and air outlet, and described air intake vent and air outlet are respectively arranged with an obstruct valve, forms darkroom when two described obstruct valves cut out in described housing;
Be provided with in described darkroom:
Pipeline penetrating up and down, the two ends up and down of described pipeline are docked with air intake vent and air outlet respectively, the middle part of described pipeline is sensing chamber, and the left and right sides of described sensing chamber has the first light hole and the second light hole respectively, and the inwall of described sensing chamber is provided with ceramic layer;
Laser generator, the light source emitting head of described laser generator is arranged on described first light hole place;
Lens, the result light beam that the effect for gathering laser beam and dust is formed afterwards, described lens are arranged on described second light hole place;
Image composer, described image composer is arranged on the right side of described lens, for receiving described result light beam and forming detected image;
Controller, described controller is connected with described image composer, for described detected image and template image are carried out contrast and analysis, and the testing result of production dust in air content.
2. domestic air quality detection device as claimed in claim 1, is characterized in that: comprise and be arranged on ducted exhaust fan.
3. domestic air quality detection device as claimed in claim 1, is characterized in that: described laser generator has multiple prefabricated rotation position, for multiple directions Emission Lasers bundle.
4. the domestic air quality detection device as described in claim 1,2 or 3, is characterized in that: described controller is connected with alarm, display screen and guidance panel.
5. domestic air quality detection device as claimed in claim 4, is characterized in that: also comprise power supply, and the input end access civil power of described power supply, output terminal is connected with laser generator and controller respectively.
6. domestic air quality detection device as claimed in claim 5, is characterized in that: described controller is also provided with USB interface and network interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410628369.7A CN104316444A (en) | 2014-11-11 | 2014-11-11 | Domestic air quality detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410628369.7A CN104316444A (en) | 2014-11-11 | 2014-11-11 | Domestic air quality detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104316444A true CN104316444A (en) | 2015-01-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410628369.7A Pending CN104316444A (en) | 2014-11-11 | 2014-11-11 | Domestic air quality detection device |
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| CN (1) | CN104316444A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104574431A (en) * | 2015-02-13 | 2015-04-29 | 河南五星科技有限公司 | Method and device for analyzing and monitoring PM2.5 based on videos |
| CN104678063A (en) * | 2015-03-09 | 2015-06-03 | 曾梓航 | Ambient air quality indicating landscape tree |
| CN108458954A (en) * | 2017-11-30 | 2018-08-28 | 江苏理文造纸有限公司 | A kind of air draft detection method |
| CN109557004A (en) * | 2017-09-27 | 2019-04-02 | 田果成 | Detect cavity configuration, detection device, capture apparatus and terminal |
| CN109769117A (en) * | 2019-02-20 | 2019-05-17 | 重庆工程职业技术学院 | A kind of imitative experimental appliance applied to vision monitoring debugging |
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| CN109769117A (en) * | 2019-02-20 | 2019-05-17 | 重庆工程职业技术学院 | A kind of imitative experimental appliance applied to vision monitoring debugging |
| CN109769117B (en) * | 2019-02-20 | 2024-05-28 | 重庆工程职业技术学院 | Simulation experiment device applied to visual monitoring and debugging |
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Application publication date: 20150128 |