CN107340258A - 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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- CN107340258A CN107340258A CN201710195783.7A CN201710195783A CN107340258A CN 107340258 A CN107340258 A CN 107340258A CN 201710195783 A CN201710195783 A CN 201710195783A CN 107340258 A CN107340258 A CN 107340258A
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- 239000005416 organic matter Substances 0.000 title claims abstract description 51
- 238000001514 detection method Methods 0.000 claims abstract description 175
- 230000003321 amplification Effects 0.000 claims abstract description 56
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 56
- 230000005540 biological transmission Effects 0.000 claims description 29
- 230000008859 change Effects 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 4
- 238000007639 printing Methods 0.000 claims description 3
- 239000000284 extract Substances 0.000 abstract 1
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 12
- 238000012360 testing method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 238000007689 inspection Methods 0.000 description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 2
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 2
- 235000003140 Panax quinquefolius Nutrition 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 235000008434 ginseng Nutrition 0.000 description 2
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical class ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 239000012491 analyte Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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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
- G01N21/25—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
-
- 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
- G01N2201/062—LED's
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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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 the air pump for extracting air, 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 includes the light source that can send ultraviolet and the detection components that can detect content of organics in air coordinated with the light source, wherein described light source is detection group LED uviol lamps, and detection group LED uviol lamps are connected the size of current that detection group LED uviol lamps are flowed through by current control circuit control with current control circuit；The detection components include detection pipe, the ultraviolet line receiver of detection group, detection group signal amplification circuit, signal processing circuit, and display screen is connected with signal processing circuit.Compared with prior art, the present invention extracts air 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 organic analyte detection system in a kind of air for above-mentioned prior art
System.
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 includes the light source that can send ultraviolet and coordinated with the light source
The detection components that can detect content of organics in air, wherein the light source is detection group LED uviol lamps, detection group LED is purple
Outer lamp is connected the size of current that detection group LED uviol lamps are flowed through by current control circuit control with current control circuit；The inspection
Surveying component includes
The detection pipe that can be penetrated by the ultraviolet that the detection group LED uviol lamps are sent, water can pass through the detection pipe；
The ultraviolet line receiver of detection group, sent for detection from the detection group LED uviol lamps and penetrate the detection pipe
The intensity of ultraviolet afterwards；
Detection group signal amplification circuit, the output end of the ultraviolet line receiver of detection group are defeated with detection group signal amplification circuit
Enter end connection, the uitraviolet intensity signal for the ultraviolet line receiver of detection group to be detected is amplified；
Signal processing circuit, the output end of detection group signal amplification circuit are connected with signal processing circuit, signal transacting electricity
Road is also connected with current control circuit, and the uitraviolet intensity after signal processing circuit is amplified according to detection group signal amplification circuit is believed
Number calculate by detecting content of organics in inner air tube；
Display screen is connected with signal processing circuit, for showing the content of organics in air.
As an improvement, the organic matter detection sensor also includes housing, detection pipe accommodating cavity is provided with the housing, is examined
Test tube is arranged in detection pipe accommodating cavity；The current control circuit and detection group LED uviol lamps are arranged at housing side, inspection
The ultraviolet line receiver of survey group, detection group signal amplification circuit and signal processing circuit are arranged on another opposite side of housing；In housing
Provided with it is being connected with detection pipe accommodating cavity, positioned at the first light transmission passage of detection pipe accommodating cavity two opposite sides and the second light transmission passage,
The ultraviolet light that detection group LED uviol lamps are sent is by reaching detection group after the first light transmission passage, detection pipe and the second light transmission passage
Ultraviolet line receiver.
Improve again, the organic matter detection sensor also includes control component, and the control component includes：
The control component includes：
Control group LED uviol lamps, control group LED uviol lamps connected with the detection group LED uviol lamps after with current control
Circuit connects and the size of current of detection group LED uviol lamps and control group LED uviol lamps is flowed through by current control circuit control；
The control tube that can be penetrated by the ultraviolet that the control group LED uviol lamps are sent, control tube inner vacuum or sets sky
Gas sets pure water；
The ultraviolet line receiver of control group, sent for detection from the control group LED uviol lamps and penetrate the control tube
The intensity of ultraviolet afterwards；
Control group signal amplification circuit, the output end of the ultraviolet line receiver of control group are defeated with control group signal amplification circuit
Enter end connection, the uitraviolet intensity signal for the ultraviolet line receiver of control group to be detected is amplified；
The output end of control group signal amplification circuit is also connected with signal processing circuit, and signal processing circuit is according to detection group
Uitraviolet intensity signal after signal amplification circuit amplification and the uitraviolet intensity signal after the amplification of control group signal amplification circuit
Calculate by detecting content of organics in inner air tube.
Improve again, the organic matter sensor also includes housing, and detection pipe accommodating cavity and control tube are provided with the housing
Accommodating cavity, detection pipe are arranged in detection pipe accommodating cavity；Control tube is arranged in control tube accommodating cavity；The current control electricity
Road, detection group LED uviol lamps and control group LED uviol lamps are arranged at housing side, the ultraviolet line receiver of detection group, detection group
It is another that the ultraviolet line receiver of signal amplification circuit, control group, control group signal amplification circuit and signal processing circuit are arranged on housing
One opposite side；Be provided with housing it is being connected with detection pipe accommodating cavity, positioned at the first light transmission passage of detection pipe accommodating cavity two opposite sides
With the second light transmission passage, the ultraviolet light that detection group LED uviol lamps are sent is led to by the first light transmission passage, detection pipe and the second printing opacity
The ultraviolet line receiver of detection group is reached behind road；Be provided with housing it is being connected with control tube accommodating cavity, positioned at control tube accommodating cavity two
The light transmission passage of opposite side the 3rd and the 4th light transmission passage, the ultraviolet light that control group LED uviol lamps are sent by the 3rd light transmission passage,
The ultraviolet line receiver of control group is reached after control tube and the 4th light transmission passage.
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 schematic diagram of organic matter detection sensor in the embodiment of the present invention one；
Fig. 3 is the dimensional structure diagram of organic matter detection sensor in the embodiment of the present invention one；
Fig. 4 is the three-dimensional cutaway view of organic matter detection sensor in the embodiment of the present invention one；
Fig. 5 is the schematic diagram of organic matter detection sensor in the embodiment of the present invention two；
Fig. 6 is the dimensional structure diagram of organic matter detection sensor in the embodiment of the present invention two；
Fig. 7 is the three-dimensional cutaway view of organic matter detection sensor in the embodiment of the present invention two；
Fig. 8 is the three-dimensional cutaway view at another visual angle of organic matter detection sensor in the embodiment of the present invention two；
Fig. 9 is the three-dimensional cutaway view at another visual angle of organic matter detection sensor in the embodiment of the present invention two；
Figure 10 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 screen 103 of content of organics in air.
In the present embodiment, organic matter detection sensor 102, referring to shown in Fig. 2~4, including the light source of ultraviolet can be sent
And the detection components that can detect content of organics in air coordinated with the light source；Wherein light source is detection group LED uviol lamps
1, detection group LED uviol lamp 1 is connected with current control circuit 5 flows through detection group LED uviol lamps by the control of current control circuit 5
Size of current；The detection components include
The detection pipe 2 that can be penetrated by the ultraviolet that the detection group LED uviol lamps 1 are sent, water can pass through the detection pipe 2；
The ultraviolet line receiver 3 of detection group, sent for detection from the detection group LED uviol lamps 1 and penetrate the detection
The intensity of ultraviolet after pipe 2；
Detection group signal amplification circuit 4, output end and the detection group signal amplification circuit 4 of the ultraviolet line receiver 3 of detection group
Input connection, the uitraviolet intensity signal for the ultraviolet line receiver 3 of detection group to be detected is amplified；
Signal processing circuit 6, the output end of detection group signal amplification circuit 4 are connected with signal processing circuit 6, signal transacting
Circuit 6 is also connected with current control circuit 5, and signal processing circuit 6 is according to the ultraviolet after the amplification of detection group signal amplification circuit 4
Strength signal is calculated by content of organics in air in detection pipe 2.
In the present embodiment, organic matter detection sensor also includes housing 11, and detection pipe accommodating cavity is provided with housing 11, detects
Pipe 2 is arranged in detection pipe accommodating cavity；Current control circuit 5 and detection group LED uviol lamps 1 are arranged on same circuit board A,
And it is located at the side of housing 11, the ultraviolet line receiver 3 of detection group, detection group signal amplification circuit 4 and signal processing circuit 6 are arranged on
On another piece of circuit board B, and it is located at 11 another opposite side of housing；Be provided with housing 11 it is being connected with detection pipe accommodating cavity, be located at
The purple that detection pipe accommodating cavity two opposite sides the first light transmission passage 11a and the second light transmission passage 11b, detection group LED uviol lamp 1 is sent
Outer light is by reaching the ultraviolet line receiver 3 of detection group after the first light transmission passage, the light transmission passage of detection pipe 2 and second.
Be connected with housing 11 respectively with detection pipe both ends connect inlet suction port 12 and air outlet adapter 13, inlet suction port and
The position that air outlet adapter is connected with detection pipe both ends is provided with sealing ring 14.
The detection method of above-mentioned organic matter detection sensor comprises the following steps：
Step (1), detection pipe 2 vacuumized, or pure water is poured in detection pipe 2, be then turned on the detection group LED
Uviol lamp 1, by the output control signal of signal processing circuit 6 to current control circuit 5, make to flow through detection group LED uviol lamps 1
Linear change is presented in electric current；Then signal processing circuit 6 is separately recorded under different current conditions organizes signal amplification electricity after testing
Uitraviolet intensity signal after the amplification of road 4, and these uitraviolet intensity values are averaged, then it is designated as the first uitraviolet intensity
Reference point；
Step (2), prepare the control air sample that known to N parts content of organics and content differs, keep the inspection
Survey group LED uviol lamps 1 are opened, and this N part control air sample then are passed sequentially through into the detection pipe 2 respectively, according to step (1)
Identical mode, by the output control signal of signal processing circuit 6 to current control circuit 5, make to flow through detection group LED uviol lamps
Linear change is presented in 1 electric current；Then signal processing circuit 6 is separately recorded in N parts control air sample under different current conditions
This is then different by N parts respectively by the uitraviolet intensity signal after organizing the amplification of signal amplification circuit 4 during detection pipe 2 after testing
Uitraviolet intensity value under current conditions is averaged, and these uitraviolet intensity average values are designated as into the second uitraviolet intensity ginseng
According to value, the 3rd uitraviolet intensity reference point ... N+1 uitraviolet intensity reference points, wherein N are natural number more than or equal to 3；
Step (3), the N+1 part uitraviolet intensity reference points obtained according to step (1) and step (2), obtain a control
Content of organics from organizing the uitraviolet intensity value after signal amplification circuit 4 amplifies after testing in air sample under different current conditions
Between the table of comparisons；
Step (4), detection group LED uviol lamps 1 are kept to open, by aspiration pump by air to be measured by the detection pipe 2,
According to step (1) identical mode, by the output control signal of signal processing circuit 6 to current control circuit 5, make to flow through detection
Linear change is presented in the electric current of group LED uviol lamps 1；Then signal processing circuit 6 is recorded under different current conditions group after testing
Uitraviolet intensity signal after the amplification of signal amplification circuit 4, and these uitraviolet intensity values are averaged, then this is averaged
Value is designated as uitraviolet intensity detected value, the table of comparisons then obtained by query steps (3), obtains having in now air to be measured
Machine thing content.
Embodiment two
Unlike embodiment one, organic matter sensor also includes control component, referring to shown in Fig. 5~9, the control group
Part includes：
Control group LED uviol lamps 10, control group LED uviol lamps 10 connected with the detection group LED uviol lamps 1 after with electric current
Control circuit 5 connects and controlled by current control circuit 5 electricity for flowing through detection group LED uviol lamps and control group LED uviol lamps 10
Flow size；
The control tube 7 that can be penetrated by the ultraviolet that the control group LED uviol lamps 10 are sent, the inner vacuum of control tube 7 or
If air sets pure water；
The ultraviolet line receiver 8 of control group, for detect sent from the control group LED uviol lamps 10 and penetrate it is described right
Look after the intensity of the ultraviolet after 7；
Control group signal amplification circuit 9, output end and the control group signal amplification circuit 9 of the ultraviolet line receiver 8 of control group
Input connection, the uitraviolet intensity signal for the ultraviolet line receiver 8 of control group to be detected is amplified；
The output end of control group signal amplification circuit 9 is also connected with signal processing circuit 6, and signal processing circuit 6 is according to inspection
Ultraviolet after uitraviolet intensity signal and control group signal amplification circuit 8 after the amplification of survey group signal amplification circuit 4 amplify is strong
Degree signal of change passes through content of organics in air in detection pipe 2.
Control tube accommodating cavity is additionally provided with housing 11, control tube 7 is arranged in control tube accommodating cavity；The current control electricity
Road 5, detection group LED uviol lamps 1 and control group LED uviol lamps 10 are arranged on same circuit board, and are arranged on housing 11 1
Side, the ultraviolet line receiver 3 of detection group, detection group signal amplification circuit 4, the ultraviolet line receiver 8 of control group, the amplification of control group signal
Circuit 9 and signal processing circuit 6 are arranged on another piece of circuit board, and are arranged on 11 another opposite side of housing；In housing 11 also
Provided with it is being connected with control tube accommodating cavity, lead to positioned at the light transmission passage 11c of control tube accommodating cavity two opposite sides the 3rd and the 4th printing opacity
The ultraviolet light that road 11d, control group LED uviol lamp 10 is sent passes through the 3rd light transmission passage 11c, the light transmission passage of control tube 7 and the 4th
The ultraviolet line receiver 8 of control group is reached after 11d, referring to shown in Fig. 4~8.
The detection method of organic matter detection sensor in the present embodiment comprises the following steps：
Step (1), open detection group LED uviol lamps 1 and control group LED uviol lamps 10, are exported by signal processing circuit 6
Control signal makes the electric current for flowing through control group LED uviol lamps 10 that linear change be presented to current control circuit 5；Then at signal
Reason circuit 6 is separately recorded in the uitraviolet intensity signal after the amplification of control group signal amplification circuit 9 under different current conditions, and
These uitraviolet intensity values are averaged, are then designated as the first uitraviolet intensity reference point；
Step (2), prepare the control air sample that known to N parts content of organics and content differs, keep the inspection
Survey group LED uviol lamps 1 are opened, and this N part control air sample then are passed sequentially through into the detection pipe 2 respectively, according to step (1)
Identical mode, by the output control signal of signal processing circuit 6 to current control circuit 5, make to flow through detection group LED uviol lamps
Linear change is presented in 1 electric current；Then signal processing circuit 6 is separately recorded in N parts control air sample under different current conditions
The uitraviolet intensity signal after signal amplification circuit 4 amplifies is organized when originally flowing through detection pipe 2 after testing, it is then respectively that N parts is different
Uitraviolet intensity value under current conditions is averaged, and these uitraviolet intensity average values are designated as into the second uitraviolet intensity ginseng
According to value, the 3rd uitraviolet intensity reference point ... N+1 uitraviolet intensity reference points, wherein N are natural number more than or equal to 3；
Step (3), the N part uitraviolet intensity reference points obtained according to step (2), obtain has in a control air sample
Machine thing content from organizing the control between the uitraviolet intensity value after signal amplification circuit 4 amplifies after testing under different current conditions
Table；
Step (4), keep detection group LED uviol lamps 1 and control group LED uviol lamps 10 to open, extracted by air pump to be measured
Air and by detection pipe 2, according to step (1) identical mode, electric current control is given by the output control signal of signal processing circuit 6
Linear change is presented in circuit 5 processed, the electric current for making to flow through detection group LED uviol lamps 1 and control group LED uviol lamps 10；Signal transacting
Circuit 6 is recorded in the uitraviolet intensity signal after the amplification of control group signal amplification circuit 9 under different current conditions, then by this
A little uitraviolet intensity values are averaged, and the uitraviolet intensity average value is designated as into interim uitraviolet intensity reference point, will be interim purple
Outer line strength reference point divided by the first uitraviolet intensity reference point, obtain intensity of light source attenuation ratio；Synchronous signal process circuit 6
It is recorded in and organizes the uitraviolet intensity signal after signal amplification circuit 4 amplifies under different current conditions after testing, it is then that these are purple
Outside line intensity level is averaged, and uitraviolet intensity average value is designated as into uitraviolet intensity detected value, and uitraviolet intensity is detected
Value is multiplied by intensity of light source attenuation ratio, uitraviolet intensity lookup value is obtained, then using the uitraviolet intensity lookup value, by looking into
The table of comparisons that step (3) obtains is ask, obtains the content of organics in now air to be measured.
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 (5)
- 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) include can send ultraviolet light source and with the light source coordinate can detect it is organic in air The detection components of thing content, wherein the light source is detection group LED uviol lamps (1), detection group LED uviol lamps (1) and electric current control The size of current of detection group LED uviol lamps is flowed through in circuit (5) connection processed by current control circuit (5) control；The detection components IncludingThe detection pipe (2) that can be penetrated by the ultraviolet that the detection group LED uviol lamps (1) send, water can pass through the detection pipe (2)；The ultraviolet line receiver of detection group (3), sent for detection from the detection group LED uviol lamps (1) and penetrate the detection Manage the intensity of the ultraviolet after (2)；Detection group signal amplification circuit (4), output end and the detection group signal amplification circuit of the ultraviolet line receiver of detection group (3) (4) input connection, the uitraviolet intensity signal for the ultraviolet line receiver of detection group (3) to be detected are amplified；Signal processing circuit (6), the output end of detection group signal amplification circuit (4) is connected with signal processing circuit (6), at signal Reason circuit (6) is also connected with current control circuit (5), and signal processing circuit (6) is amplified according to detection group signal amplification circuit (4) Uitraviolet intensity signal of change afterwards passes through content of organics in detection pipe (2) interior air；Display screen (103) is connected with signal processing circuit (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 organic matter detection sensor (102) also include housing (11), be provided with detection pipe accommodating cavity in the housing (11), detection pipe (2) is arranged on detection pipe and housed Intracavitary；The current control circuit (5) and detection group LED uviol lamps (1) are arranged at housing (11) side, detection group ultraviolet Receiver (3), detection group signal amplification circuit (4) and signal processing circuit (6) are arranged on housing (11) another opposite side；Housing (11) in be provided with connected with detection pipe accommodating cavity, positioned at the first light transmission passage of detection pipe accommodating cavity two opposite sides and the second printing opacity Passage, after the ultraviolet light that detection group LED uviol lamps (1) are sent is by the first light transmission passage, detection pipe (2) and the second light transmission passage Reach the ultraviolet line receiver of detection group (3).
- 3. organic matter detecting system in air according to claim 1, it is characterised in that：The organic matter sensor (102) control component is also included, the control component includes：Control group LED uviol lamps (10), control group LED uviol lamps (10) connected with the detection group LED uviol lamps (1) after with electricity Flow control circuit (5) connects and flows through detection group LED uviol lamps and control group LED uviol lamps by current control circuit (5) control (10) size of current；The control tube (7) that can be penetrated by the ultraviolet that the control group LED uviol lamps (10) send, control tube (7) inner vacuum Or set air or pure water is set；The ultraviolet line receiver of control group (8), for detect sent from the control group LED uviol lamps (10) and penetrate it is described right Look after the intensity of the ultraviolet after (7)；Control group signal amplification circuit (9), output end and the control group signal amplification circuit of the ultraviolet line receiver of control group (8) (9) input connection, the uitraviolet intensity signal for the ultraviolet line receiver of control group (8) to be detected are amplified；The output end of control group signal amplification circuit (9) is also connected with signal processing circuit (6), signal processing circuit (6) basis Uitraviolet intensity signal after detection group signal amplification circuit (4) amplification and the purple after control group signal amplification circuit (8) amplification Outside line strength signal, which calculates, passes through content of organics in detection pipe (2) interior air.
- 4. organic matter detecting system in air according to claim 3, it is characterised in that：The organic matter sensor also wraps Housing (11) is included, is provided with detection pipe accommodating cavity and control tube accommodating cavity in the housing (11), detection pipe (2) is arranged on detection pipe In accommodating cavity；Control tube (7) is arranged in control tube accommodating cavity；The current control circuit (5), detection group LED uviol lamps (1) Housing (11) side is arranged at control group LED uviol lamps (10), the ultraviolet line receiver of detection group (3), detection group signal are put Big circuit (4), the ultraviolet line receiver of control group (8), control group signal amplification circuit (9) and signal processing circuit (6) are arranged on Housing (11) another opposite side；It is provided with housing (11) being connected with detection pipe accommodating cavity, relative positioned at detection pipe accommodating cavity two The light transmission passage of side first and the second light transmission passage, the ultraviolet light that detection group LED uviol lamps (1) are sent by the first light transmission passage, The ultraviolet line receiver of detection group (3) is reached after detection pipe (2) and the second light transmission passage；It is provided with housing (11) and is housed with control tube Chamber connection, positioned at the light transmission passage of control tube accommodating cavity two opposite sides the 3rd and the 4th light transmission passage, control group LED uviol lamps (10) ultraviolet light sent is connect by reaching control group ultraviolet after the 3rd light transmission passage, control tube (7) and the 4th light transmission passage Receive device (8).
- 5. organic matter detecting system in the air according to claim 1 or 2 or 3 or 4, it is characterised in that：The aspiration pump Front is provided with the air filter (104) for the solid particle being used in air filtering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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