CN105675547A - Active phase-control air quality sensor - Google Patents
Active phase-control air quality sensor Download PDFInfo
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- CN105675547A CN105675547A CN201610160420.5A CN201610160420A CN105675547A CN 105675547 A CN105675547 A CN 105675547A CN 201610160420 A CN201610160420 A CN 201610160420A CN 105675547 A CN105675547 A CN 105675547A
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- light source
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/47—Scattering, i.e. diffuse reflection
- G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2201/00—Features of devices classified in G01N21/00
- G01N2201/06—Illumination; Optics
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Abstract
Disclosed is an active phase-control air quality sensor which comprises a sensor cavity and a probe. The sensor cavity is manufactured according to existing air quality sensor cavity manufacturing technology and comprises internal reflective surfaces, an analysis processing unit and a data display unit. The probe comprises light source emitting ends and light source receiving ends which are arranged at positions that the light source emitting ends do not face the light source receiving ends directly; the quantity of the light source emitting ends is a natural number larger than or equal to one, and the quantity of the light source receiving ends is a natural number larger than one. Based on the special structural design, particles in different shapes in air can be detected completely, technical effect of accurate detection is achieved, air quality is monitored in time, whether domestic air purifiers are qualified or not can be tested effectively, and the air quality sensor is an economical professional instrument for common customers, is convenient and flexible to operate and is safe and reliable.
Description
Technical field
The present invention relates to the detection technique field of air quality, especially a kind of active phase air mass sensor, this sensor is by special detection header structure design, when need not be too much increase structure complexity and when the occupation of capital, substantially increase the detection degree of accuracy of air quality, in order to people provide air quality reference frame the most accurate, science;
Background technology
Along with stepping up of living standard, the health concerns of self is also increasingly paid attention to by people, a large amount of uses of modernization of industry process and petroleum-based energy, while contributing for increasing national income, also inevitably brings air pollution problems inherent;
Haze, as the term suggests being exactly mist and haze, but the difference of mist and haze is very big, and the aerosol systems of the particulate matter compositions such as dust in air, sulphuric acid, nitric acid causes the haze that cries of visual disorder, and haze is exactly gray haze, has another name called mist and clouds in the twilight; The aerosol systems that mist is made up of the small water droplet being suspended in a large number in surface air or ice crystal, come across autumn and winter season more, this Ye Shi China is from January, 2013, the whole nation starts one of reason occurring large area haze weather successively, is the product of ground layer water in air vapour condensation (or sublimating); The existence of mist can reduce air transparency, make visibility deterioration, if the horizontal visibility of object is reduced within 1000 meters, just the weather phenomenon of condensation vapor (or sublimating) thing being suspended in surface air is called mist (Fog); When forming mist, atmospheric humidity should be saturated (when existing if any a large amount of nuclei of condensation, relative humidity not necessarily reaches 100% it is possible to occur saturated), the light of the mist scattering formed due to aqueous water or ice crystal is little with wavelength relationship, thus mist seems to be creamy white or Bluish white and Lycoperdon polymorphum Vitt;
Haze weather is a kind of atmospheric pollution state, haze is the general statement to suspended particulate substance content overproofs various in air, especially people is known from experience generation serious harm by PM2.5 (the equivalent aerodynamic diameter particulate matter less than or equal to 2.5 microns), deterioration along with air quality, increasing occurs in thick weather phenomenon, harm increases the weight of, and the many areas of China are incorporated to mist together as diastrous weather early-warning and predicting thick weather phenomenon, are referred to as " haze weather ";
The source of haze is varied, such as vehicle exhaust, industrial discharge, building airborne dust, waste incineration, even volcanic eruption etc., haze weather is usually what multiple polluter immixture was formed, but in the haze weather of each department, the effect degree of different polluter is each variant, haze weather has it from ancient times, the mankind's activity such as slash-and-burn cultivation and volcanic eruption or natural phenomena can result in haze weather, but after the mankind enter the Fossil fuel epoch, haze weather just really threatens the living environment of the mankind and healthy. Industrialization and urbanization sharply causes the energy rapidly to consume, population high aggregation, environmental destruction, it is all that the formation of haze weather hides the foreshadowing, the formation of haze is existing " source ", also there is " accomplice ", here it is be unfavorable for the meteorological condition of Pollutants Diffusion, once pollutant gather under the meteorological condition being chronically at static state, it is easy for forming haze weather;
Detect air quality in time, accomplish to successfully manage, not only become the top priority of disaster detection forecast department of country, also more and more it is deep in the middle of the daily life of ordinary people, existing controlled quentity controlled variable detection sensor mainly uses optical principle, the single light source utilizing infrared ray or laser is launched and receptive pattern, by to wide strong to luminous reflectance of air weight granule, draw the concentration of particulate in air, 2015, state environmental monitoring office there occurs, with the many famous artist on network and cyberelite, the war of words detecting data about haze, prison office of state says that the data that common people oneself survey are forbidden, and common people think that severe air data are had a mind to conceal by country, the main reason causing this phenomenon is that existing hand-held haze sensor (having another name called PM2.5 detector) structural design is unreasonable, can not be effective, the comprehensively quantity of floating thing in detection air, so it is inconsistent each other to cause the data recorded with national departments concerned,
Summary of the invention
In order to overcome the deficiencies in the prior art, the invention provides a kind of active phase air mass sensor, this sensor adopts and organizes probe more, by by special detection pattern oppositely arranged one by one to launch point and receiving station, effectively solve in prior art, during Detection of Air Quality, degree of accuracy is too low, service life is short, is not suitable for the deficiency that masses popularize;
A kind of active phase air mass sensor, including: sensor cavity and probe;
Illustrating as one, described sensor cavity adopts existing air mass sensor cavity fabrication technique to make, including: reflective inner surface, analysis and processing unit and data display unit;
Illustrating as one, described sensor cavity shape may be configured as the one in the shapes such as cuboid, cube, cylinder, rhombogen or spheroid or combination;
Illustrating as one, described probe includes: light source transmitting terminal and light source receiving terminal;
Illustrating as one, described light source transmitting terminal adopts light source transmitting tube to make;
Illustrating as one, described light source receiving terminal adopts photoelectric receiving tube to make;
Illustrating as one, described light source transmitting terminal and light source receiving terminal are arranged on the inside of described sensor cavity;
Illustrating as one, described light source transmitting terminal becomes corresponding with light source receiving terminal, oppositely arranged one by one;
Illustrating as one, in order to reach the air detection effect of the best, inside described sensor cavity, also fixing being provided with buries in oblivion cavity configuration, for burying in oblivion of useless, discrete detection light beam;
Illustrate as one, described in bury in oblivion the quantity of cavity configuration be the natural number be more than or equal to 1;
Described light source transmitting terminal is used for emission detection light beam, and described light source receiving terminal irradiates, through described detection light beam, the light beam that back reflection is returned for receiving detected thing;
Illustrating as one, described detection light beam is the one in detection laser or detection infrared light or combination;
Illustrating as a kind of applicating example, in order to reach the Effect on Detecting of the best, the position of described light source transmitting terminal and light source receiving terminal is set to: all ensure that will not produce light source transmitting terminal directly just occurs the situation of light source receiving terminal;
Illustrating as a kind of applicating example, the quantity of described light source transmitting terminal is the natural number be more than or equal to 1; The quantity of described light source receiving terminal is the natural number more than 1;
Illustrating as one, the quantity of described light source transmitting terminal is less than or equal to the quantity of described light source receiving terminal;
In order to better describe the know-why of a kind of active phase air mass sensor of the present invention, now it is briefly described its structure and work process is as follows, shown in Fig. 1:
1, described light source transmitting terminal and light source receiving terminal are all fixedly installed at inside described sensor cavity, and ensure that described light source receiving terminal will not receive straight incoming described detection light beam;
2, describe as a kind of applicating example, described sensor cavity is cuboid, pop one's head in described in built-in four groups, described probe is a pair light source transmitting terminal and light source receiving terminal, and ensures oppositely arranged one by one, and what is called is oppositely arranged is: namely when the left side of first group of probe is arranged as light source transmitting terminal, when right side is light source receiving terminal, next group probe is just changed into: right side is arranged as light source transmitting terminal, and left side is light source receiving terminal, mounting means by that analogy;
3, owing to the haze granule in air exists various shape, such as bulk, lamellar, rhombogen, triangle body etc., calculate and haze environment actually detected through repeatedly scientific experiments simulation, this type of irregular grain shape can have a strong impact on power when detecting luminous reflectance, direction, consequent resultant error and degree of accuracy are not high, here it is single inaccurate main cause of sonde configuration result of detection in prior art; We pass through structure optimization and theoretical algorithm, with reference to actual scientific experiments checking, launch by organizing probe more and receive, and by after oppositely arranged one by one to launch point and receiving station, the result of measurement is more accurate, and error is extremely low, this is because by Multi probe and special construction oppositely arranged one by one thereof, increase the reflecting effect of variable grain shape, it is possible to catch the reflecting surface of all granules more accurately, and then improve Detection results; Avoid the air borne sensor of prior art under equivalent environment, the deficiency that the result every time measured is far from each other;
As the embodiment of the embodiment of the second active phase air mass sensor of the present invention, with reference to shown in Fig. 2:
1. the quantity of light source transmitting terminal described in is one, and the quantity of described light source receiving terminal is N number of, and N is the natural number more than 1;
2. sensor cavity described in adopts cube, adopts single source transmitting terminal, the probe pattern of multiple light source receiving terminals, it is possible to reducing on the basis of the technology of the present invention production cost, increase the detection degree of accuracy of prior art;
Illustrating as a kind of applicating example, described light source receiving terminal is positioned at the side of probe, and described light source transmitting terminal is positioned at the opposite side of probe;
As the embodiment of the embodiment of the third active phase air mass sensor of the present invention, with reference to shown in Fig. 3:
1. sensor cavity described in adopts sphere structure, and the quantity of described light source transmitting terminal is one, and the quantity of described light source receiving terminal is that N is each, and N is the natural number more than 1;
2. light source transmitting terminal described in is positioned at the side of described spheroid cavity, and described light source receiving terminal is positioned at the opposite side of described spheroid cavity;
3. adopt single source transmitting terminal, the probe pattern of multiple light source receiving terminals, it is possible to reducing on the basis of the technology of the present invention production cost, increase the detection degree of accuracy of prior art;
The Advantageous Effects of the present invention:
1. the active phase air mass sensor of the present invention is designed by special construction, it is possible to fully detect differently shaped particle in air, reaches the technique effect of accurately detecting;
2. the sensor of the present invention can monitor air quality in time, and then accomplishes timely preventive effect, it is also possible to fully detects that whether the air purifier brands such as domestic are qualified;
3. can allow consuming public that too much fund need not be spent just to have the special instrument that a professional uses, easy and simple to handle, as broad as long compared with normal air detector;
Accompanying drawing explanation
Fig. 1 is active phase air mass sensor structural representation of the present invention
Fig. 2 is the structural representation of active phase air mass sensor the second embodiment of the present invention
Fig. 3 is the perspective view of active phase air mass sensor the 3rd embodiment of the present invention
Detailed description of the invention
Below in conjunction with accompanying drawing to a preferred embodiment of the present invention will be described in detail;
Shown in reference accompanying drawing, a kind of active phase air mass sensor, including: sensor cavity 101 and probe;
Illustrating as one, described sensor cavity 101 adopts existing air mass sensor cavity fabrication technique to make, including: reflective inner surface, analysis and processing unit and data display unit;
Illustrating as one, the shape of described sensor cavity 101 may be configured as the one in the shapes such as cuboid, cube, cylinder, rhombogen or spheroid or combination;
Illustrating as one, described probe includes: light source transmitting terminal 102 and light source receiving terminal 103;
Illustrating as one, described light source transmitting terminal 102 adopts light source transmitting tube to make;
Illustrating as one, described light source receiving terminal 103 adopts photoelectric receiving tube to make;
Illustrating as one, described light source transmitting terminal 102 and light source receiving terminal 103 are arranged on the inside of described sensor cavity 101;
Illustrate as one, 103 one-tenth correspondings of described light source transmitting terminal 102 and light source receiving terminal, oppositely arranged one by one;
Illustrating as one, in order to reach the air detection effect of the best, in described sensor cavity 101 body, portion's also fixing being provided with buries in oblivion cavity configuration 201, for burying in oblivion of useless, discrete detection light beam;
Illustrate as one, described in bury in oblivion the quantity of cavity configuration be the natural number be more than or equal to 1;
Described light source transmitting terminal 102 is for emission detection light beam, and described light source receiving terminal 103 irradiates, through described detection light beam, the light beam that back reflection is returned for receiving detected thing;
Illustrating as one, described detection light beam is the one in detection laser or detection infrared light or combination;
Illustrating as a kind of applicating example, in order to reach the Effect on Detecting of the best, the position of described light source transmitting terminal 102 and light source receiving terminal 103 is set to: all ensure that will not produce light source transmitting terminal 102 directly just occurs the situation of light source receiving terminal 103;
Illustrating as a kind of applicating example, the quantity of described light source transmitting terminal 102 is the natural number be more than or equal to 1;The quantity of described light source receiving terminal 103 is the natural number more than 1;
Illustrating as one, the quantity of described light source transmitting terminal 102 is less than or equal to the quantity of described light source receiving terminal 103;
In order to better describe the know-why of a kind of active phase air mass sensor of the present invention, now it is briefly described its structure and work process is as follows, shown in Fig. 1:
1, described light source transmitting terminal 102 and light source receiving terminal 103 are all fixedly installed at described sensor cavity 101 inside, and ensure that described light source receiving terminal 103 will not receive straight incoming described detection light beam;
2, the detection light beam arranging the transmitting of described light source transmitting terminal keeps vertical with detected thing air-flow axis direction;
3, describe as a kind of applicating example, described sensor cavity 101 is cuboid, pop one's head in described in built-in four groups, described probe is a pair light source transmitting terminal 102 and light source receiving terminal 103, and ensures oppositely arranged one by one, and what is called is oppositely arranged is: namely when the left side of first group of probe is arranged as light source transmitting terminal 102, when right side is light source receiving terminal 103, next group probe is just changed into: right side is arranged as light source transmitting terminal 102, and left side is light source receiving terminal 103, mounting means by that analogy;
4, owing to the haze granule in air exists various shape, such as bulk, lamellar, rhombus, triangle body, calculate and haze environment actually detected through repeatedly scientific experiments simulation, this type of irregular grain shape can have a strong impact on power when detecting luminous reflectance, direction, consequent resultant error and degree of accuracy are not high, here it is single inaccurate main cause of sonde configuration result of detection in prior art; We pass through structure optimization and theoretical algorithm, with reference to actual scientific experiments checking, launch by organizing probe more and receive, and by after oppositely arranged one by one to launch point and receiving station, the result of measurement is more accurate, and error is extremely low, this is because by Multi probe and special construction oppositely arranged one by one thereof, increase the reflecting effect of variable grain shape, it is possible to catch the reflecting surface of all granules more accurately, and then improve Detection results; Avoid the air borne sensor of prior art under equivalent environment, the deficiency that the result every time measured is far from each other;
As the embodiment of the embodiment of the second active phase air mass sensor of the present invention, with reference to shown in Fig. 2:
1. the quantity of light source transmitting terminal 102 described in is one, and the quantity of described light source receiving terminal 103 is N number of, and N is the natural number more than 1;
2, the detection light beam arranging the transmitting of described light source transmitting terminal keeps vertical with detected thing air-flow axis direction;
3. sensor cavity 101 described in adopts cube, adopts single source transmitting terminal 102, the probe pattern of multiple light source receiving terminals 103, it is possible to reducing on the basis of the technology of the present invention production cost, increase the detection degree of accuracy of prior art;
Illustrating as a kind of applicating example, described light source receiving terminal 103 is positioned at the side of probe, and described light source transmitting terminal 102 is positioned at the opposite side of probe;
As the embodiment of the embodiment of the third active phase air mass sensor of the present invention, with reference to shown in Fig. 3:
1. sensor cavity 101 described in adopts sphere structure, and the quantity of described light source transmitting terminal 102 is one, and the quantity of described light source receiving terminal 103 is that N is each, and N is the natural number more than 1;
2. the detection light beam arranging the transmitting of described light source transmitting terminal keeps vertical with detected thing air-flow axis direction;
3. light source transmitting terminal 102 described in is positioned at the side of described spheroid cavity, and described light source receiving terminal 103 is positioned at the opposite side of described spheroid cavity;
4. adopt single source transmitting terminal 102, the probe pattern of multiple light source receiving terminals 103, it is possible to reducing on the basis of the technology of the present invention production cost, increase the detection degree of accuracy of prior art;
The active phase air mass sensor of the present invention is designed by special construction, it is possible to fully detect differently shaped particle in air, reaches the technique effect of accurately detecting; The sensor of the present invention can monitor air quality in time, and then accomplishes timely preventive effect, it is also possible to fully detects that whether the air purifier brands such as domestic are qualified; Can allow consuming public that too much fund need not be spent just to have the special instrument that a professional uses, easy and simple to handle, as broad as long compared with normal air detector;
Above-described it is only the preferred embodiments of the present invention; it is it should be understood that; the explanation of above example is only intended to help to understand method and the core concept thereof of the present invention; the protection domain being not intended to limit the present invention; the any amendment made within all thought in the present invention and principle, equivalent replacement etc., should be included within protection scope of the present invention.
Claims (10)
1. active phase air mass sensor, it is characterised in that including: sensor cavity and probe; Described sensor cavity adopts existing air mass sensor cavity fabrication technique to make, including: reflective inner surface, analysis and processing unit and data display unit;
Described probe includes: light source transmitting terminal and light source receiving terminal;
Described light source transmitting terminal and light source receiving terminal are arranged on the inside of described sensor cavity;
Described light source transmitting terminal is used for emission detection light beam, and described light source receiving terminal irradiates, through described detection light beam, the light beam that back reflection is returned for receiving detected thing;
The position of described light source transmitting terminal and light source receiving terminal is set to: all ensure to produce light source transmitting terminal directly just to light source receiving terminal;
The quantity of described light source transmitting terminal is the natural number be more than or equal to 1; The quantity of described light source receiving terminal is the natural number more than 1; The quantity of described light source transmitting terminal is less than or equal to the quantity of described light source receiving terminal.
2. active phase air mass sensor according to claim 1, it is characterised in that described sensor cavity shape may be configured as the one in cuboid, cube, cylinder, rhombogen and spheroid or combination.
3. active phase air mass sensor according to claim 1, it is characterised in that described light source transmitting terminal adopts light source transmitting tube to make.
4. active phase air mass sensor according to claim 1, it is characterised in that described light source receiving terminal adopts photoelectric receiving tube to make.
5. active phase air mass sensor according to claim 1, it is characterised in that described light source transmitting terminal becomes corresponding with light source receiving terminal, oppositely arranged one by one.
6. active phase air mass sensor according to claim 1, it is characterised in that cavity configuration is buried in oblivion in being provided with of also fixing inside described sensor cavity.
7. active phase air mass sensor according to claim 1, it is characterised in that described in bury in oblivion the quantity of cavity configuration be the natural number be more than or equal to 1.
8. active phase air mass sensor according to claim 1, it is characterised in that described detection light beam is the one in detection laser or detection infrared light or combination.
9. active phase air mass sensor according to claim 1, it is characterised in that the quantity of described light source transmitting terminal is, the quantity of described light source receiving terminal is N number of.
10. active phase air mass sensor according to claim 1, it is characterised in that described N is the natural number more than 1.
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| CN201610160420.5A CN105675547B (en) | 2016-03-21 | 2016-03-21 | Active phase air quality sensor |
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| CN201610160420.5A CN105675547B (en) | 2016-03-21 | 2016-03-21 | Active phase air quality sensor |
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| CN105675547A true CN105675547A (en) | 2016-06-15 |
| CN105675547B CN105675547B (en) | 2018-11-20 |
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| CN101055241A (en) * | 2007-05-10 | 2007-10-17 | 中国科学院安徽光学精密机械研究所 | Multiple-passage dispersion reverse deduction microgranule tri-dimensional shape detector and detection method |
| CN101346619A (en) * | 2005-12-28 | 2009-01-14 | 丰田自动车株式会社 | Exhaust gas analyzing device and exhaust gas analyzing method |
| CN102159934A (en) * | 2008-09-26 | 2011-08-17 | 株式会社堀场制作所 | Device for measuring physical property of particle |
| CN104422640A (en) * | 2013-09-06 | 2015-03-18 | 重庆大学 | Laser-scattering-based air quality detecting system |
| CN204988961U (en) * | 2015-09-21 | 2016-01-20 | 天津费加罗电子有限公司 | Small -size PM2. 5 sensor |
| CN205388573U (en) * | 2016-03-21 | 2016-07-20 | 郭宝善 | Active air matter level sensor of controlling mutually |
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2016
- 2016-03-21 CN CN201610160420.5A patent/CN105675547B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101346619A (en) * | 2005-12-28 | 2009-01-14 | 丰田自动车株式会社 | Exhaust gas analyzing device and exhaust gas analyzing method |
| CN101055241A (en) * | 2007-05-10 | 2007-10-17 | 中国科学院安徽光学精密机械研究所 | Multiple-passage dispersion reverse deduction microgranule tri-dimensional shape detector and detection method |
| CN102159934A (en) * | 2008-09-26 | 2011-08-17 | 株式会社堀场制作所 | Device for measuring physical property of particle |
| CN104422640A (en) * | 2013-09-06 | 2015-03-18 | 重庆大学 | Laser-scattering-based air quality detecting system |
| CN204988961U (en) * | 2015-09-21 | 2016-01-20 | 天津费加罗电子有限公司 | Small -size PM2. 5 sensor |
| CN205388573U (en) * | 2016-03-21 | 2016-07-20 | 郭宝善 | Active air matter level sensor of controlling mutually |
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