CN107340257A - Organic matter detecting system in a kind of air - Google Patents
Organic matter detecting system in a kind of air Download PDFInfo
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- CN107340257A CN107340257A CN201710195777.1A CN201710195777A CN107340257A CN 107340257 A CN107340257 A CN 107340257A CN 201710195777 A CN201710195777 A CN 201710195777A CN 107340257 A CN107340257 A CN 107340257A
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- uitraviolet intensity
- wavelength
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- 239000005416 organic matter Substances 0.000 title claims abstract description 52
- 238000001514 detection method Methods 0.000 claims abstract description 130
- 230000000149 penetrating effect Effects 0.000 claims description 33
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 27
- 238000010521 absorption reaction Methods 0.000 claims description 18
- 239000000284 extract Substances 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 3
- 239000012491 analyte Substances 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims description 2
- 241001465805 Nymphalidae Species 0.000 claims 1
- 238000007689 inspection Methods 0.000 claims 1
- 238000004321 preservation Methods 0.000 claims 1
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 12
- 238000010586 diagram Methods 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical class ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Classifications
-
- 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
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/33—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using ultraviolet light
-
- 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
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
-
- 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
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N2021/0106—General arrangement of respective parts
- G01N2021/0112—Apparatus in one mechanical, optical or electronic block
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The present invention relates to organic matter detecting system in a kind of air, it is characterised in that：Including air pump, the organic matter detection sensor being connected with air pump output end, and the display screen being connected with organic matter sensor, wherein described organic matter sensor then includes the light source assembly that can send ultraviolet, and the detection components that can detect different content of organics in air coordinated from the light source assembly, wherein the light source assembly includes electroluminescent lamp, transparent prism, rear light bar and drive mechanism；The detection components include detection pipe, ultraviolet line receiver, circuit board, and ultraviolet line receiver is connected with circuit board, and the uitraviolet intensity that circuit board is used to be received according to ultraviolet line receiver is calculated by detecting different content of organics in inner air tube.Compared with prior art, the advantage of the invention is that：Air is extracted into organic matter sensor by aspiration pump, content of organics in organic matter sensor energy effective detection air, and the content of organics in air is shown by display screen.
Description
Technical field
The present invention relates to organic matter detecting system in a kind of air, for detecting total organic content in air.
Background technology
Escaping gas in organic matter in air, especially some finishing materials, such as formaldehyde, organic benzene, organic class (benzene, first
Benzene), organic Ammonia, chloroform class etc., there is significant damage to body.In addition, bacterium, mould, virus in air etc., to human body
Also there is significant damage.Existing product, technology on the market, it is impossible to the content of organics in effective detection air, so, exploitation
A kind of effective air content of organics detection device, is significant.
The content of the invention
The technical problems to be solved by the invention are to provide one kind for above-mentioned prior art and can detect difference in air to have
Organic matter detecting system in the air of machine thing content.
Technical scheme is used by the present invention solves above-mentioned technical problem：Organic matter detecting system in a kind of air, its
It is characterised by：Including the air pump for extracting air, the organic matter detection sensor being connected with air pump output end, and and organic matter
The display screen of sensor connection, wherein the organic matter sensor then includes sending the light source assembly of ultraviolet, and with it is described
The detection components that can detect content of organics in air that light source assembly coordinates, the light source assembly include
The electroluminescent lamp of 185nm~400nm ultraviolet can at least be sent；
Ultraviolet for electroluminescent lamp to be sent carries out the transparent prism of wavelength light splitting；
The rear light bar at transparent prism rear is arranged on, rear light bar is provided with rear light penetrating slit；
Drive mechanism, it is connected with transparent prism, for driving transparent prism to rotate so that penetrating transparent prism
It is divided into the ultraviolet of different wave length afterwards respectively through the rear light penetrating slit in rear light bar；
The detection components include
The detection pipe that the ultraviolet for the rear light penetrating slit that can be through in rear light bar penetrates；
Ultraviolet line receiver, for detect from rear light penetrating slit in rear light bar project and after penetrating the detection pipe
Ultraviolet intensity；
Circuit board, ultraviolet line receiver are connected with circuit board, and circuit board is used for according to the ultraviolet of ultraviolet line receiver reception
Line strength is calculated by detecting different content of organics in inner air tube.
As an improvement, the light source assembly also includes the preceding light bar being arranged between electroluminescent lamp and transparent prism, preceding light
Column is provided with preceding light penetrating slit.
Improve again, the light source assembly also includes being used for the pedestal for carrying transparent prism, the drive mechanism and pedestal
Connection, the pedestal side are provided with dead-center position detection switch, and the dead-center position detection switch is also connected with drive mechanism.
Improve again, the organic matter sensor also includes housing, is provided with detection pipe accommodating cavity in the housing, detection pipe is set
Put in detection pipe accommodating cavity；The light source assembly and ultraviolet line receiver are separately positioned on detection pipe two opposite sides.
Improve again, the inlet suction port and air outlet adapter connected respectively with detection pipe both ends are connected with the housing.
Improve again, the position that the inlet suction port and air outlet adapter are connected with detection pipe both ends is provided with sealing ring.
Improve again, the wavelength detecting that the detection components also include being used to detect through the ultraviolet wavelength of detection pipe is set
Standby, the wavelength detecting equipment is also connected with the circuit board.
The wavelength detecting equipment is arranged on beside ultraviolet line receiver.
Improve again, organic matter sensor of the invention also includes the control group for being arranged on light penetrating slit light path rear after rear light bar
Ultraviolet line receiver, the ultraviolet line receiver of control group are also connected with circuit board.
The organic matter detection sensor detects the content of different organic matters in air as follows：
Step (1), degree of absorption control of the different organic matters to the ultraviolet of different wave length is pre-saved in circuit board
Table；
Step (2), detection pipe vacuumized, or pure water is poured in detection pipe, be then turned on the electroluminescent lamp, driven
Mechanism drives transparent prism to rotate, so as to which transparent prism to be divided into the ultraviolet of different wave length respectively through in rear light bar
Light penetrating slit afterwards, then penetration-detection pipe again, the wavelength by wavelength detecting equipment record through the ultraviolet of detection pipe, while electricity
Road plate is recorded in the case of different ultraviolet wavelengths, the uitraviolet intensity value that ultraviolet line receiver receives, and these are ultraviolet
Line strength value is designated as uitraviolet intensity reference point；
Step (3), electroluminescent lamp is kept to open, air pump extracts air to be measured and flows through the detection pipe, passes through drive mechanism
Transparent prism is driven to rotate, so as to which transparent prism to be divided into the ultraviolet of different wave length respectively through rear in rear light bar
Light slit, then penetration-detection pipe again, the wavelength by wavelength detecting equipment record through the ultraviolet of detection pipe, while circuit board
It is recorded in the case of different ultraviolet wavelengths, the uitraviolet intensity value that ultraviolet line receiver receives, and these ultraviolets are strong
Angle value is designated as uitraviolet intensity detected value, by uitraviolet intensity detected value with the case of corresponding ultraviolet wavelength in step (2)
Uitraviolet intensity reference point contrasted, obtain under the ultraviolet of different wave length, absorption of the different organic matters to ultraviolet
Degree；The degree of absorption table of comparisons pre-saved by query steps (1), obtain the content of different organic matters in air.
When the light source assembly also includes being used to carry the pedestal of transparent prism, the drive mechanism connects with pedestal
Connect, be provided with dead-center position detection switch by the pedestal, the dead-center position detection switch is also connected with drive mechanism；
In the step (2) and step (3), drive mechanism first passes through dead-center position detection switch and the position of pedestal is carried out
Zero point positioning controls, and then drive mechanism drives transparent prism to rotate clockwise, and then wavelength detecting equipment, which re-records, wears
The wavelength of the ultraviolet of detection pipe is crossed, while circuit board is recorded in the case of different ultraviolet wavelengths, ultraviolet line receiver receives
The uitraviolet intensity value arrived, until detect that electroluminescent lamp sends the ultraviolet of maximum wavelength, then drive mechanism driving transparent three
Prism is rotated counterclockwise, until the position of pedestal is back to dead-center position, now wavelength detecting equipment is equally recorded through detection
The wavelength of the ultraviolet of pipe, circuit board are equally recorded in the case of different ultraviolet wavelengths, the purple that ultraviolet line receiver receives
Outside line intensity level, it is to carry out average statistics along the inverse uitraviolet intensity value rotated twice that circuit board, which will record, ultraviolet so as to obtain
Line strength reference point and uitraviolet intensity detected value.
The ultraviolet line receiver of control group at light penetrating slit light path rear after organic matter sensor is also including light bar after being arranged on
When, the organic matter detection sensor detects the content of different organic matters in air as follows：
Step (1), degree of absorption control of the different organic matters to the ultraviolet of different wave length is pre-saved in circuit board
Table；
Step (2), detection pipe vacuumized, or pure water is poured in detection pipe, be then turned on the electroluminescent lamp, driven
Mechanism drives transparent prism to rotate, so as to which transparent prism to be divided into the ultraviolet of different wave length respectively through in rear light bar
Light penetrating slit afterwards, then penetration-detection pipe again, the wavelength by wavelength detecting equipment (14) record through the ultraviolet of detection pipe, together
When circuit board be recorded in the case of different ultraviolet wavelengths, the uitraviolet intensity value that ultraviolet line receiver receives, and by these
Uitraviolet intensity value is designated as the first uitraviolet intensity reference point；Circuit board is recorded in the case of different ultraviolet wavelengths simultaneously, right
The uitraviolet intensity value received according to the ultraviolet line receiver of group, and these uitraviolet intensity values are designated as the second uitraviolet intensity ginseng
According to value；
Step (3), electroluminescent lamp is kept to open, air pump extracts air to be measured and flows through the detection pipe, passes through drive mechanism
Transparent prism is driven to rotate, so as to which transparent prism to be divided into the ultraviolet of different wave length respectively through rear in rear light bar
Light slit, then penetration-detection pipe again, the wavelength by wavelength detecting equipment record through the ultraviolet of detection pipe, now circuit board
It is recorded in the case of different ultraviolet wavelengths, the uitraviolet intensity value that the ultraviolet line receiver of control group receives, then by these
Uitraviolet intensity value is designated as interim uitraviolet intensity reference point, and the interim uitraviolet intensity in the case of different ultraviolet wavelengths is joined
According to the second uitraviolet intensity reference point under value divided by corresponding ultraviolet wavelength, obtain different from the light source under profile wavelength case
Strength retrogression's ratio；It is strong that circuit board is recorded in the ultraviolet that ultraviolet line receiver receives in the case of different ultraviolet wavelengths simultaneously
Angle value, and these uitraviolet intensity values are designated as uitraviolet intensity detected value, by the ultraviolet in the case of different ultraviolet wavelengths
Intensity detection value is multiplied by the intensity of light source attenuation ratio in the case of corresponding ultraviolet wavelength, in the case of obtaining different ultraviolet wavelengths
Uitraviolet intensity lookup value, then using these uitraviolet intensity lookup values ultraviolet wavelength feelings corresponding with step (2)
The first uitraviolet intensity reference point under condition is contrasted, and is obtained under the ultraviolet of different wave length, different organic matters are to ultraviolet
The degree of absorption of line；The degree of absorption table of comparisons that is pre-saved by query steps (1), obtain different organic matters in air and contain
Amount.
Improve again, the air filter for the solid particle being used in air filtering is provided with front of the aspiration pump.
Compared with prior art, the advantage of the invention is that：Air is extracted into organic matter sensor by aspiration pump, had
Content of organics in machine thing sensor energy effective detection air, and the content of organics in air is shown by display screen
Come.
Brief description of the drawings
Fig. 1 is the schematic diagram of organic matter detecting system in air in the embodiment of the present invention one；
Fig. 2 is the dimensional structure diagram of organic matter detection sensor in the embodiment of the present invention one；
Fig. 3 is the perspective cross-sectional of organic matter detection sensor in the embodiment of the present invention one；
Fig. 4 is the top view of organic matter detection sensor in the embodiment of the present invention one；
Fig. 5 is the perspective cross-sectional of organic matter detection sensor in the embodiment of the present invention two；
Fig. 6 is the schematic diagram of organic matter detecting system in air in the embodiment of the present invention three.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing embodiment.
Embodiment one
Organic matter detecting system in air as shown in Figure 1, including for extracting the air pump 101 of air, exported with air pump
End connection is used to detect the organic matter detection sensor 102 of content of organics in air, and is connected with organic matter sensor 102
Be used for show the display screens 103 of different content of organics in air.
Organic matter detection sensor 102 in the present embodiment, referring to shown in Fig. 2~4, it includes the light that can send ultraviolet
Source component, and the detection components that can detect content of organics in air coordinated with the light source assembly, wherein the light source group
Part includes
The electroluminescent lamp 1 of 185nm~400nm ultraviolet can at least be sent；
Ultraviolet for electroluminescent lamp 1 to be sent carries out the transparent prism 2 of wavelength light splitting；
The preceding light bar 7 being arranged between electroluminescent lamp 1 and transparent prism 2, preceding light bar 7 are provided with preceding light penetrating slit 71；
The rear light bar 3 at the transparent rear of prism 2 is arranged on, rear light bar 3 is provided with rear light penetrating slit 31；
Drive mechanism 21, it is connected with transparent prism 2, for driving transparent prism 2 to rotate so that penetrating transparent three
It is divided into the ultraviolet of different wave length after prism 2 respectively through the rear light penetrating slit 31 in rear light bar 3；
The detection components include
The detection pipe 4 that the ultraviolet for the rear light penetrating slit 31 that can be through in rear light bar 3 penetrates；
Ultraviolet line receiver 5, for detect from rear light penetrating slit 31 in rear light bar 3 project and penetrate the detection
The intensity of ultraviolet after pipe 4；
Circuit board 6, ultraviolet line receiver 5 are connected with circuit board 6, and circuit board 6 is used for what is received according to ultraviolet line receiver 5
Uitraviolet intensity is calculated by different content of organics in air in detection pipe 4.
Detection components are arranged in housing 10, are provided with detection pipe accommodating cavity in housing 10, detection pipe 4 is arranged on detection tube capacity
Put intracavitary；The light source assembly and ultraviolet line receiver 5 are separately positioned on the two opposite sides of detection pipe 4.It is connected with housing 10 point
The inlet suction port 11 and air outlet adapter 12 do not connected with the both ends of detection pipe 4, inlet suction port 11 and air outlet adapter 12 and 4 liang of detection pipe
The position of end connection is provided with sealing ring 13.
Detection components also include being used to detect the wavelength detecting equipment 14 through the ultraviolet wavelength of detection pipe 4, the wavelength
Detection device 14 is also connected with the circuit board 6.
The detection method of organic matter detection sensor in the present embodiment comprises the following steps：
Step (1), degree of absorption control of the different organic matters to the ultraviolet of different wave length is pre-saved in circuit board 6
Table；
Step (2), detection pipe 4 vacuumized, or pure water poured in detection pipe 4, be then turned on the electroluminescent lamp 1,
Drive mechanism 21 drives transparent prism 2 to rotate, after the ultraviolet that transparent prism 2 is divided into different wave length is passed through respectively
Rear light penetrating slit 31 in light bar 3, then penetration-detection pipe 4 again, is recorded through the ultraviolet of detection pipe 4 by wavelength detecting equipment 14
The wavelength of line, while circuit board 6 is recorded in the case of different ultraviolet wavelengths, the ultraviolet that ultraviolet line receiver 5 receives is strong
Angle value, and these uitraviolet intensity values are designated as uitraviolet intensity reference point；
Step (3), electroluminescent lamp 1 is kept to open, air pump extracts air to be measured and flows through the detection pipe 4, passes through driving machine
Structure 21 drives transparent prism 2 to rotate, and rear light bar 3 is passed through respectively so as to which transparent prism 2 to be divided into the ultraviolet of different wave length
On rear light penetrating slit 31, then penetration-detection pipe 4 again, is recorded through the ultraviolet of detection pipe 4 by wavelength detecting equipment 14
Wavelength, while circuit board 6 is recorded in the case of different ultraviolet wavelengths, the uitraviolet intensity value that ultraviolet line receiver 5 receives,
And these uitraviolet intensity values are designated as uitraviolet intensity detected value, uitraviolet intensity detected value is corresponding with step (2)
Uitraviolet intensity reference point in the case of ultraviolet wavelength is contrasted, and is obtained under the ultraviolet of different wave length, different organic
Degree of absorption of the thing to ultraviolet；The degree of absorption table of comparisons pre-saved by query steps (1), obtaining difference in air has
The content of machine thing.
More accurate in order to operate, the light source assembly can also include being used for the pedestal 8 for carrying transparent prism 2, described
Drive mechanism 21 is connected with pedestal 8, and the side of pedestal 8 is provided with dead-center position detection switch 9, the dead-center position detection switch 9
It is connected with drive mechanism 21；The above-mentioned detection method the step of in (2) and step (3), drive mechanism 21 first passes through dead-center position
Detection switch 9 carries out zero point positioning control to the position of pedestal 8, and then drive mechanism 21 drives transparent prism 2 to do clockwise
Rotate, then wavelength detecting equipment 14 re-records the wavelength of the ultraviolet through detection pipe 4, while circuit board 6 is recorded in difference
In the case of ultraviolet wavelength, uitraviolet intensity value that ultraviolet line receiver 5 receives, until detecting that electroluminescent lamp 1 sends maximum
The ultraviolet of wavelength, then drive mechanism 21 drives transparent prism 2 to rotate counterclockwise, until the position of pedestal 8 is back to zero
Point position, now wavelength detecting equipment 14 is same records the wavelength through the ultraviolet of detection pipe 4, and circuit board 6 is equally recorded in
In the case of different ultraviolet wavelengths, uitraviolet intensity value that ultraviolet line receiver 5 receives, circuit board 6 records to be turned twice along inverse
Dynamic uitraviolet intensity value carries out average statistics, so as to obtain uitraviolet intensity reference point and uitraviolet intensity detected value.
Embodiment two
Unlike embodiment one, the light path rear of light penetrating slit 31 is provided with after rear light bar 3 the ultraviolet line receiver of control group
15, the ultraviolet line receiver 15 of the control group is also connected with circuit board 6, shown in Figure 5.Organic analyte detection in the present embodiment passes
The detection method of sensor comprises the following steps：
Step (1), degree of absorption control of the different organic matters to the ultraviolet of different wave length is pre-saved in circuit board 6
Table；
Step (2), detection pipe 4 vacuumized, or pure water poured in detection pipe 4, be then turned on the electroluminescent lamp 1,
Drive mechanism 21 drives transparent prism 2 to rotate, after the ultraviolet that transparent prism 2 is divided into different wave length is passed through respectively
Rear light penetrating slit 31 in light bar 3, then penetration-detection pipe 4 again, is recorded through the ultraviolet of detection pipe 4 by wavelength detecting equipment 14
The wavelength of line, while circuit board 6 is recorded in the case of different ultraviolet wavelengths, the ultraviolet that ultraviolet line receiver 5 receives is strong
Angle value, and these uitraviolet intensity values are designated as the first uitraviolet intensity reference point；Circuit board 6 is recorded in different ultraviolets simultaneously
Under wavelength case, uitraviolet intensity value that the ultraviolet line receiver 15 of control group receives, and these uitraviolet intensity values are designated as
Second uitraviolet intensity reference point；
Step (3), electroluminescent lamp 1 is kept to open, air pump extracts air to be measured and flows through the detection pipe 4, passes through driving machine
Structure 21 drives transparent prism 2 to rotate, and rear light bar 3 is passed through respectively so as to which transparent prism 2 to be divided into the ultraviolet of different wave length
On rear light penetrating slit 31, then penetration-detection pipe 4 again, is recorded through the ultraviolet of detection pipe 4 by wavelength detecting equipment 14
Wavelength, now circuit board 6 be recorded in the case of different ultraviolet wavelengths, the ultraviolet that the ultraviolet line receiver 15 of control group receives
Intensity level, these uitraviolet intensity values are then designated as interim uitraviolet intensity reference point, in the case of different ultraviolet wavelengths
Interim uitraviolet intensity reference point divided by corresponding ultraviolet wavelength under the second uitraviolet intensity reference point, obtain different from outer
Intensity of light source attenuation ratio under shape wavelength case；Ultraviolet connects in the case of circuit board 6 is recorded in different ultraviolet wavelengths simultaneously
The uitraviolet intensity value that device 5 receives is received, and these uitraviolet intensity values are designated as uitraviolet intensity detected value, will be different ultraviolet
Uitraviolet intensity detected value under line wavelength case is multiplied by the intensity of light source attenuation ratio in the case of corresponding ultraviolet wavelength, obtains
Uitraviolet intensity lookup value in the case of different ultraviolet wavelengths, then using these uitraviolet intensity lookup values and step (2)
In the first uitraviolet intensity reference point in the case of corresponding ultraviolet wavelength contrasted, obtain the ultraviolet in different wave length
Under, degree of absorption of the different organic matters to ultraviolet；The degree of absorption table of comparisons pre-saved by query steps (1), obtain
The content of different organic matters in air.
Embodiment three
Unlike embodiment one, the air filtration dress for the solid particle being used in air filtering is provided with front of aspiration pump
Put 104, it is shown in Figure 6.
Because the solid particle (such as PM2.5) in air has a barrier effect for light, different time, in air
PM2.5 contents are different, and light blocking effect is also different, so, in embodiment one, PM2.5 deposits for organic matter sensor detection results
In certain interference.The present embodiment can be preferably minimized this interference.Because the volume of solid particle in air is far longer than
The organic matter volume such as bacterium, formaldehyde, organic benzene, organic, so, solid particle can be effectively blocked by air filter in air
Come, and the organic matter for needing to detect can pass through filter, and air filter plays one for organic matter sensor
Fixed protective effect.
Claims (12)
- A kind of 1. organic matter detecting system in air, it is characterised in that：Including the air pump (101) for extracting air, with air pump The organic matter detection sensor (102) of output end connection, and the display screen (103) being connected with organic matter sensor (102), wherein The organic matter sensor (102) then includes the light source assembly that can send ultraviolet, and can be examined with what the light source assembly coordinated The detection components of different content of organics in air are surveyed, wherein the light source assembly includesThe electroluminescent lamp (1) of 185nm~400nm ultraviolet can at least be sent；Ultraviolet for electroluminescent lamp (1) to be sent carries out the transparent prism (2) of wavelength light splitting；The rear light bar (3) at transparent prism (2) rear is arranged on, rear light bar (3) is provided with rear light penetrating slit (31)；Drive mechanism (21), it is connected with transparent prism (2), for driving transparent prism (2) to rotate so that penetrating transparent It is divided into the ultraviolet of different wave length after prism (2) respectively through the rear light penetrating slit (31) in rear light bar (3)；The detection components includeThe detection pipe (4) that the ultraviolet for the rear light penetrating slit (31) that can be through in rear light bar (3) penetrates；Ultraviolet line receiver (5), for detect from rear light penetrating slit (31) in rear light bar (3) project and penetrate the inspection The intensity of ultraviolet after test tube (4)；Circuit board (6), ultraviolet line receiver (5) are connected with circuit board (6), and circuit board (6) is used for according to ultraviolet line receiver (5) The uitraviolet intensity of reception, which calculates, passes through different content of organics in detection pipe (4) interior airDisplay screen (103) is connected with circuit board (6), for showing the content of organics in air.
- 2. organic matter detecting system in air according to claim 1, it is characterised in that：The light source assembly also includes setting The preceding light bar (7) between electroluminescent lamp (1) and transparent prism (2) is put, preceding light bar (7) is provided with preceding light penetrating slit (71).
- 3. organic matter detecting system in air according to claim 1, it is characterised in that：The light source assembly also includes using In the pedestal (8) for carrying transparent prism (2), the drive mechanism (21) is connected with pedestal (8), is provided with by the pedestal (8) Dead-center position detection switch (9), the dead-center position detection switch (9) are also connected with drive mechanism (21).
- 4. organic matter detecting system in air according to claim 1, it is characterised in that：Also include housing (10), it is described Detection pipe accommodating cavity is provided with housing (10), detection pipe (4) is arranged in detection pipe accommodating cavity；The light source assembly and ultraviolet Receiver (5) is separately positioned on detection pipe (4) two opposite sides.
- 5. organic matter detecting system in air according to claim 1, it is characterised in that：It is connected with the housing (10) The inlet suction port (11) and air outlet adapter (12) connected respectively with detection pipe (4) both ends.
- 6. organic matter detecting system in air according to claim 5, it is characterised in that：The inlet suction port (11) and go out The position that gas joint (12) is connected with detection pipe (4) both ends is provided with sealing ring (13).
- 7. organic matter detecting system in air according to claim 1, it is characterised in that：The detection components also include using In detection through detection pipe (4) ultraviolet wavelength wavelength detecting equipment (14), the wavelength detecting equipment (14) also with it is described Circuit board (6) connects.
- 8. organic matter detecting system in air according to claim 7, it is characterised in that：Also include being arranged on rear light bar (3) the ultraviolet line receiver of control group (15) at light penetrating slit (31) light path rear afterwards, the ultraviolet line receiver of control group (15) also with electricity Road plate (6) connects.
- 9. organic matter detecting system in air according to claim 7, it is characterised in that：The organic matter detection sensor The content of different organic matters in air is detected as follows：Step (1), degree of absorption control of the different organic matters to the ultraviolet of different wave length is pre-saved in circuit board (6) Table；Step (2), detection pipe (4) vacuumized, or pure water is poured in detection pipe (4), be then turned on the electroluminescent lamp (1), drive mechanism (21) drives transparent prism (2) to rotate, so as to which transparent prism (2) to be divided into the ultraviolet of different wave length Respectively through the rear light penetrating slit (31) in rear light bar (3), then penetration-detection pipe (4) again, pass through wavelength detecting equipment (14) and remember The wavelength through the ultraviolet of detection pipe (4) is recorded, while circuit board (6) is recorded in the case of different ultraviolet wavelengths, ultraviolet The uitraviolet intensity value that receiver (5) receives, and these uitraviolet intensity values are designated as uitraviolet intensity reference point；Step (3), electroluminescent lamp (1) is kept to open, air pump extracts air to be measured and flows through the detection pipe (4), passes through driving machine Structure (21) drives transparent prism (2) to rotate, so as to be divided into transparent prism (2) after the ultraviolet of different wave length passes through respectively Rear light penetrating slit (31) in light bar (3), then penetration-detection pipe (4) again, by wavelength detecting equipment (14) record through detection The wavelength of the ultraviolet of (4) is managed, while circuit board (6) is recorded in the case of different ultraviolet wavelengths, ultraviolet line receiver (5) connects The uitraviolet intensity value received, and these uitraviolet intensity values are designated as uitraviolet intensity detected value, uitraviolet intensity is detected Value is contrasted with the uitraviolet intensity reference point in the case of corresponding ultraviolet wavelength in step (2), is obtained in different wave length Ultraviolet under, degree of absorption of the different organic matters to ultraviolet；The degree of absorption pre-saved by query steps (1) compares Table, obtain the content of different organic matters in air.
- 10. organic matter detecting system in air according to claim 9, it is characterised in that：The light source assembly also includes For carrying the pedestal (8) of transparent prism (2), the drive mechanism (21) is connected with pedestal (8), is set by the pedestal (8) There is dead-center position detection switch (9), the dead-center position detection switch (9) is also connected with drive mechanism (21)；In the step (2) and step (3), drive mechanism (21) first passes through position of the dead-center position detection switch (9) to pedestal (8) Put and carry out zero point positioning control, then drive mechanism (21) drives transparent prism (2) to rotate clockwise, then wavelength detecting Equipment (14) re-records the wavelength of the ultraviolet through detection pipe (4), while circuit board (6) is recorded in different ultraviolet wavelength feelings Under condition, uitraviolet intensity value that ultraviolet line receiver (5) receives, until detecting that electroluminescent lamp (1) sends the purple of maximum wavelength Outside line, then drive mechanism (21) drives transparent prism (2) to rotate counterclockwise, until the position of pedestal (8) is back to zero point Position, now through the wavelength of the ultraviolet of detection pipe (4), circuit board (6) is same to be remembered wavelength detecting equipment (14) equally record Record in the case of different ultraviolet wavelengths, the uitraviolet intensity value that ultraviolet line receiver (5) receives, circuit board (6) records suitable The inverse uitraviolet intensity value rotated twice carries out average statistics, so as to obtain uitraviolet intensity reference point and uitraviolet intensity detection Value.
- 11. organic matter detecting system in air according to claim 8, it is characterised in that：Organic analyte detection sensing Device detects the content of different organic matters in air as follows：Step (1), degree of absorption control of the different organic matters to the ultraviolet of different wave length is pre-saved in circuit board (6) Table；Step (2), detection pipe (4) vacuumized, or pure water is poured in detection pipe (4), be then turned on the electroluminescent lamp (1), drive mechanism (21) drives transparent prism (2) to rotate, so as to which transparent prism (2) to be divided into the ultraviolet of different wave length Respectively through the rear light penetrating slit (31) in rear light bar (3), then penetration-detection pipe (4) again, pass through wavelength detecting equipment (14) and remember The wavelength through the ultraviolet of detection pipe (4) is recorded, while circuit board (6) is recorded in the case of different ultraviolet wavelengths, ultraviolet The uitraviolet intensity value that receiver (5) receives, and these uitraviolet intensity values are designated as the first uitraviolet intensity reference point；Together When circuit board (6) be recorded in the case of different ultraviolet wavelengths, the ultraviolet that the ultraviolet line receiver of control group (15) receives is strong Angle value, and these uitraviolet intensity values are designated as the second uitraviolet intensity reference point；Step (3), electroluminescent lamp (1) is kept to open, air pump extracts air to be measured and flows through the detection pipe (4), passes through driving machine Structure (21) drives transparent prism (2) to rotate, so as to be divided into transparent prism (2) after the ultraviolet of different wave length passes through respectively Rear light penetrating slit (31) in light bar (3), then penetration-detection pipe (4) again, by wavelength detecting equipment (14) record through detection The wavelength of the ultraviolet of (4) is managed, now circuit board (6) is recorded in the case of different ultraviolet wavelengths, and control group ultraviolet receives The uitraviolet intensity value that device (15) receives, these uitraviolet intensity values are then designated as interim uitraviolet intensity reference point, will The second ultraviolet under interim uitraviolet intensity reference point divided by corresponding ultraviolet wavelength in the case of different ultraviolet wavelengths is strong Reference point is spent, is obtained different from the intensity of light source attenuation ratio under profile wavelength case；Circuit board (6) while it is recorded in different purples The uitraviolet intensity value that ultraviolet line receiver (5) receives under outside line wavelength case, and these uitraviolet intensity values are designated as purple Outside line intensity detection value, the uitraviolet intensity detected value in the case of different ultraviolet wavelengths is multiplied by corresponding ultraviolet wavelength situation Under intensity of light source attenuation ratio, the uitraviolet intensity lookup value in the case of different ultraviolet wavelengths is obtained, then using these Uitraviolet intensity lookup value and the first uitraviolet intensity reference point in the case of corresponding ultraviolet wavelength in step (2) are carried out pair Than obtaining under the ultraviolet of different wave length, degree of absorption of the different organic matters to ultraviolet；It is advance by query steps (1) The degree of absorption table of comparisons of preservation, obtain the content of different organic matters in air.
- 12. organic matter detecting system in the air according to any one claim in claim 1~11, its feature exist In：The air filter (104) for the solid particle being used in air filtering is provided with front of the aspiration pump.
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| CN201710195777.1A CN107340257B (en) | 2017-03-29 | 2017-03-29 | System for detecting organic matters in air |
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| CN201710195777.1A CN107340257B (en) | 2017-03-29 | 2017-03-29 | System for detecting organic matters in air |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101165470A (en) * | 2006-10-19 | 2008-04-23 | 株式会社神户制钢所 | Surface organic compound concentration measuring method |
| CN101183071A (en) * | 2007-12-14 | 2008-05-21 | 天津大学 | Novel water quality analysis meter |
| CN202547778U (en) * | 2012-04-17 | 2012-11-21 | 深圳迈瑞生物医疗电子股份有限公司 | Grating spectrophotometer and biochemical analyzer adopting same |
| CN202693562U (en) * | 2012-07-05 | 2013-01-23 | 北京汽车股份有限公司 | Device used for detecting air quality inside vehicle and vehicle |
| CN207096090U (en) * | 2017-03-29 | 2018-03-13 | 宁波方太厨具有限公司 | Organic matter detecting system in a kind of air |
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2017
- 2017-03-29 CN CN201710195777.1A patent/CN107340257B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101165470A (en) * | 2006-10-19 | 2008-04-23 | 株式会社神户制钢所 | Surface organic compound concentration measuring method |
| CN101183071A (en) * | 2007-12-14 | 2008-05-21 | 天津大学 | Novel water quality analysis meter |
| CN202547778U (en) * | 2012-04-17 | 2012-11-21 | 深圳迈瑞生物医疗电子股份有限公司 | Grating spectrophotometer and biochemical analyzer adopting same |
| CN202693562U (en) * | 2012-07-05 | 2013-01-23 | 北京汽车股份有限公司 | Device used for detecting air quality inside vehicle and vehicle |
| CN207096090U (en) * | 2017-03-29 | 2018-03-13 | 宁波方太厨具有限公司 | Organic matter detecting system in a kind of air |
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