CN107340254A - Hand-held organic matter detection terminal and its detection method - Google Patents
Hand-held organic matter detection terminal and its detection method Download PDFInfo
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- CN107340254A CN107340254A CN201710195760.6A CN201710195760A CN107340254A CN 107340254 A CN107340254 A CN 107340254A CN 201710195760 A CN201710195760 A CN 201710195760A CN 107340254 A CN107340254 A CN 107340254A
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- 238000001514 detection method Methods 0.000 title claims abstract description 258
- 239000005416 organic matter Substances 0.000 title claims abstract description 50
- 230000003321 amplification Effects 0.000 claims abstract description 88
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 88
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 65
- 230000008859 change Effects 0.000 claims abstract description 21
- 239000000126 substance Substances 0.000 claims abstract description 14
- 239000012491 analyte Substances 0.000 claims abstract description 5
- 230000005540 biological transmission Effects 0.000 claims description 28
- 238000012360 testing method Methods 0.000 claims description 19
- 238000007689 inspection Methods 0.000 claims description 7
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- 238000007639 printing Methods 0.000 claims description 4
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 241000208340 Araliaceae Species 0.000 claims 2
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 claims 2
- 235000003140 Panax quinquefolius Nutrition 0.000 claims 2
- 235000008434 ginseng Nutrition 0.000 claims 2
- 241001465805 Nymphalidae Species 0.000 claims 1
- 238000000746 purification Methods 0.000 claims 1
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- 238000010276 construction Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 4
- 230000009102 absorption Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012372 quality testing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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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
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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
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
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- 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
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
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Abstract
The present invention relates to a kind of hand-held organic matter detection terminal and its detection method, hand-held organic matter detection terminal includes organic analyte detection sensor, with the outer casing being set in outside organic matter detection sensor, organic matter detection sensor includes that the light source of ultraviolet can be sent, and detection components, detection components include detection group LED uviol lamps and the current control circuit being connected with detection group LED uviol lamps；The detection pipe that the ultraviolet that group LED uviol lamps are sent penetrates can be detected, the ultraviolet line receiver of detection group, detection group signal amplification circuit and signal processing circuit, the uitraviolet intensity signal of change after signal processing circuit is amplified according to detection group signal amplification circuit pass through Organic substance in water content in detection pipe.Compared with prior art, the advantage of the invention is that：Energy effective detection Organic substance in water content, part is few, simple in construction, therefore small volume, lower-cost detection part can be made.
Description
Technical field
The present invention relates to a kind of organic matter detection means, more particularly to a kind of hand-held organic matter detection terminal and its inspection
Survey method, for detecting Organic substance in water total content.
Background technology
The detection of content of organics at present mainly relies on spectrophotometer, and its operation principle is：By being 254 to wavelength
The trap of the ultraviolet of nanometer to characterize the total content of organic matter indirectly, after the ultraviolet that wavelength is 254 nanometers passes through water, water
In organic matter can absorb the ultraviolet of part, and the concentration of organic matter is bigger, and the intensity of ultraviolet radiation absorption is also bigger, therefore purple
The trap of outside line correspond to the content of organic matter.Different organic matters has different absorptions strong for different wave length ultraviolet
Degree, by scanning the absorption intensity of different wave length ultraviolet, can substantially analyze the content of different type organics in water outlet.It is and total
The measurement of content, i.e., the overall target of different content of organics, is mainly reflected on the ultraviolet of 254 nano wave lengths.
But spectrophotometer is an instrument in itself, and price is very expensive, and volume is also very huge, most importantly for
The use of ordinary person also has certain obstacle.
The content of the invention
Primary technical problem to be solved by this invention is to provide a kind of easy to carry, volume for above-mentioned prior art
It is small, cost is low, the hand-held organic matter detection sensor and its detection method of strong applicability.
Technical scheme is used by the present invention solves above-mentioned technical problem：A kind of hand-held organic matter detection sensor,
Including organic analyte detection sensor, and the outer casing being set in outside organic matter detection sensor, wherein, organic analyte detection passes
Sensor includes the light source that can send ultraviolet and the detection components that can detect Organic substance in water content coordinated with the light source, its
Described in light source be detection group LED uviol lamps, detection group LED uviol lamps are connected with current control circuit by current control circuit control
System flows through the size of current of detection group LED uviol lamps；The detection components include
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 Organic substance in water content in detection pipe.
As an improvement, above-mentioned organic matter sensor also includes housing, detection pipe accommodating cavity, detection pipe are provided with the housing
It is arranged in detection pipe accommodating cavity；The current control circuit and detection group LED uviol lamps are arranged at housing side, detection group
Ultraviolet line receiver, detection group signal amplification circuit and signal processing circuit are arranged on another opposite side of housing；It is 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 and the second light transmission passage, detection
The ultraviolet light that group LED uviol lamps are sent is ultraviolet by reaching detection group after the first light transmission passage, detection pipe and the second light transmission passage
Line receiver.
The detection method of organic matter detection sensor, it is characterised in that：Comprise the following steps：
Step (1), detection pipe vacuumized, or keeps being full of air in detection pipe, or pure water is poured in detection pipe,
The detection group LED uviol lamps are then turned on, by signal processing circuit output control signal to current control circuit, make to flow through
Linear change is presented in the electric current of detection group LED uviol lamps；Then signal processing circuit is separately recorded under different current conditions and passed through
Uitraviolet intensity signal after the amplification of detection group signal amplification circuit, and these uitraviolet intensity values are averaged, Ran Houji
For the first uitraviolet intensity reference point；
Step (2), prepare the control water sample that known to N parts content of organics and content differs, keep the detection group
LED uviol lamps are opened, and this N part control water sample then is passed sequentially through into the detection pipe according to step (1) identical mode respectively,
By signal processing circuit output control signal to current control circuit, make the electric current for flowing through detection group LED uviol lamps that line be presented
Property change；Then through inspection when N parts control water sample that signal processing circuit is separately recorded under different current conditions flows through detection pipe
Uitraviolet intensity signal after the amplification of survey group signal amplification circuit is then strong by the ultraviolet under N part difference current conditions respectively
Angle value is averaged, and these uitraviolet intensity average values are designated as into the second uitraviolet intensity reference point, the 3rd uitraviolet intensity
Reference point ... N+1 uitraviolet intensity reference points, wherein N are the 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
In water sample content of organics from organized after testing under different current conditions signal amplification circuit amplification after uitraviolet intensity value between
The table of comparisons；
Step (4), keep detection group LED uviol lamps to open, water to be measured is flowed through into the detection pipe, according to step (1) phase
Same mode, by signal processing circuit output control signal to current control circuit, makes the electricity for flowing through detection group LED uviol lamps
Linear change is presented in stream；Then signal processing circuit be recorded under different current conditions organize after testing signal amplification circuit amplification after
Uitraviolet intensity signal, and these uitraviolet intensity values are averaged, the average value are then designated as uitraviolet intensity inspection
Measured value, the table of comparisons then obtained by query steps (3), obtain the content of organics in now water to be measured.
Improve again, above-mentioned organic matter sensor also includes control component, and 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 Organic substance in water content in detection pipe.
Improve again, above-mentioned 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.
The detection method of the organic matter detection sensor, it is characterised in that：Comprise the following steps：
Step (1), open detection group LED uviol lamps and control group LED uviol lamps, pass through signal processing circuit output control
Signal makes the electric current for flowing through control group LED uviol lamps that linear change be presented to current control circuit；Then signal processing circuit point
The uitraviolet intensity signal after the amplification of control group signal amplification circuit under different current conditions is not recorded in, and these are ultraviolet
Line strength value is averaged, and is then designated as the first uitraviolet intensity reference point；
Step (2), prepare the control water sample that known to N parts content of organics and content differs, keep the detection group
LED uviol lamps are opened, and this N part control water sample then are passed sequentially through into the detection pipe respectively, according to step (1) identical side
Formula, by signal processing circuit output control signal to current control circuit, the electric current for flowing through detection group LED uviol lamps is presented
Linear change；Then N parts control water sample that signal processing circuit is separately recorded under different current conditions passes through when flowing through detection pipe
Uitraviolet intensity signal after the amplification of detection group signal amplification circuit, then respectively by the ultraviolet under N part difference current conditions
Intensity level is averaged, and it is strong that these uitraviolet intensity average values are designated as into the second uitraviolet intensity reference point, the 3rd ultraviolet
Degree reference point ... N+1 uitraviolet intensity reference points, wherein N are the natural number more than or equal to 3；
Step (3), the N part uitraviolet intensity reference points obtained according to step (2), obtain organic matter in a control water sample
Content from organizing the table of comparisons between the uitraviolet intensity value after signal amplification circuit amplifies after testing under different current conditions；
Step (4), keep detection group LED uviol lamps and control group LED uviol lamps to open, water to be measured is flowed through into the detection
Pipe, according to step (1) identical mode, by signal processing circuit output control signal to current control circuit, makes to flow through inspection
Linear change is presented in the electric current of survey group LED uviol lamps and control group LED uviol lamps；Signal processing circuit is recorded in different electric current feelings
These uitraviolet intensity values, are then averaged by the uitraviolet intensity signal under condition after the amplification of control group signal amplification circuit
Value, interim uitraviolet intensity reference point is designated as by the uitraviolet intensity average value, by interim uitraviolet intensity reference point divided by the
One uitraviolet intensity reference point, obtain intensity of light source attenuation ratio；Synchronous signal process circuit is recorded under different current conditions
The uitraviolet intensity signal after signal amplification circuit amplification is organized after testing, and then these uitraviolet intensity values are averaged, and
Uitraviolet intensity average value is designated as uitraviolet intensity detected value, uitraviolet intensity detected value is multiplied by intensity of light source attenuation ratio
Example, uitraviolet intensity lookup value is obtained, then using the uitraviolet intensity lookup value, the table of comparisons obtained by query steps,
Obtain the content of organics in now water to be measured.
Compared with prior art, the advantage of the invention is that：Energy effective detection Organic substance in water content, part is few, structure
Simply, easy to carry, small volume, cost are low, strong applicability.
Brief description of the drawings
Fig. 1 is the structural representation of hand-held organic matter detection terminal 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.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing embodiment.
Embodiment one
Hand-held organic matter detection terminal as shown in Figure 1, including organic analyte detection sensor, and it is set in organic quality testing
The outer casing 14 and display screen 15 surveyed outside sensor.
Organic matter detection sensor in the present embodiment, referring to shown in Fig. 2~4, including can send ultraviolet light source and
The detection components that can detect Organic substance in water content coordinated with the light source；Wherein light source is detection group LED uviol lamps 1, inspection
Survey group LED uviol lamps 1 are connected the electric current for being controlled by current control circuit 5 and flowing through detection group LED uviol lamps with current control circuit 5
Size；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 Organic substance in water content in detection pipe 2.
It is provided with outer casing 14 and contains with what institute signal processing circuit 6 was connected for real-time display Organic substance in water to be detected
The display screen 15 of amount；The outer casing 14 is provided with the water inlet 14a and delivery port being respectively communicated with the both ends of the detection pipe 2
14b；In addition, outer casing 14 is provided with hand-held lever 14c.
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.
It is connected with the water supply connector 12 connected respectively with detection pipe both ends and water out adapter 13, water supply connector and water out adapter
The position being 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 keep being full of air in detection pipe 2, or poured in detection pipe 2 pure
Water, the detection group LED uviol lamps 1 are then turned on, by the output control signal of signal processing circuit 6 to current control circuit 5,
Make the electric current for flowing through detection group LED uviol lamps 1 that linear change be presented；Then signal processing circuit 6 is separately recorded in different electric currents
In the case of organize the uitraviolet intensity signal after signal amplification circuit 4 amplifies after testing, and these uitraviolet intensity values are averaged
Value, is then designated as the first uitraviolet intensity reference point；
Step (2), prepare the control water sample that known to N parts content of organics and content differs, keep the detection group
LED uviol lamps 1 are opened, and this N part control water sample then are passed sequentially through into the detection pipe 2 respectively, according to step (1) identical side
Formula, by the output control signal of signal processing circuit 6 to current control circuit 5, make the electric current for flowing through detection group LED uviol lamps 1
Linear change is presented；Then N parts control water sample that signal processing circuit 6 is separately recorded under different current conditions flows through detection pipe
The uitraviolet intensity signal after signal amplification circuit 4 amplifies is organized when 2 after testing, then respectively by under N part difference current conditions
Uitraviolet intensity value is averaged, and these uitraviolet intensity average values are designated as into the second uitraviolet intensity reference point, the 3rd purple
Outer line strength reference point ... N+1 uitraviolet intensity reference points, wherein N are the 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
In water sample content of organics from organized after testing under different current conditions signal amplification circuit 4 amplify after uitraviolet intensity value between
The table of comparisons；
Step (4), keep detection group LED uviol lamps 1 to open, water to be measured is flowed through into 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 group LED uviol lamps
Linear change is presented in 1 electric current；Then signal processing circuit 6 is recorded under different current conditions and organizes signal amplification circuit after testing
Uitraviolet intensity signal after 4 amplifications, and these uitraviolet intensity values are averaged, the average value is then designated as ultraviolet
Intensity detection value, the table of comparisons then obtained by query steps (3), obtain the content of organics in now water to be measured.
Embodiment two
Organic matter detection sensor also includes control component unlike embodiment one, and referring to shown in Fig. 5~9, this is right
Include according to component：
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 Organic substance in water content 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 water sample that known to N parts content of organics and content differs, keep the detection group
LED uviol lamps 1 are opened, and this N part control water sample then are passed sequentially through into the detection pipe 2 respectively, according to step (1) identical side
Formula, by the output control signal of signal processing circuit 6 to current control circuit 5, make the electric current for flowing through detection group LED uviol lamps 1
Linear change is presented；Then N parts control water sample that signal processing circuit 6 is separately recorded under different current conditions flows through detection pipe
The uitraviolet intensity signal after signal amplification circuit 4 amplifies is organized when 2 after testing, then respectively by under N part difference current conditions
Uitraviolet intensity value is averaged, and these uitraviolet intensity average values are designated as into the second uitraviolet intensity reference point, the 3rd purple
Outer line strength reference point ... N+1 uitraviolet intensity reference points, wherein N are the natural number more than or equal to 3；
Step (3), the N part uitraviolet intensity reference points obtained according to step (2), obtain organic matter in a control water sample
Content from organizing the table of comparisons between the uitraviolet intensity value after signal amplification circuit 4 amplifies after testing under different current conditions；
Step (4), keep detection group LED uviol lamps 1 and control group LED uviol lamps 10 to open, water to be measured is flowed through described
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
Linear change is presented in the electric current for flowing through detection group LED uviol lamps 1 and control group LED uviol lamps 10；Signal processing circuit 6 is recorded in
Uitraviolet intensity signal under different current conditions after the amplification of control group signal amplification circuit 9 is then strong by these ultraviolets
Angle value is averaged, and the uitraviolet intensity average value is designated as into interim uitraviolet intensity reference point, interim uitraviolet intensity is joined
According to value divided by the first uitraviolet intensity reference point, intensity of light source attenuation ratio is obtained；Synchronous signal process circuit 6 is recorded in difference
The uitraviolet intensity signal after signal amplification circuit 4 amplifies is organized under current conditions after testing, then by these uitraviolet intensity values
Average, and uitraviolet intensity average value is designated as uitraviolet intensity detected value, uitraviolet intensity detected value is multiplied by light source
Strength retrogression's ratio, uitraviolet intensity lookup value is obtained, then using the uitraviolet intensity lookup value, is passed through query steps (3)
The table of comparisons of acquisition, obtain the content of organics in now water to be measured.
Claims (7)
- A kind of 1. hand-held organic matter detection terminal, it is characterised in that：Including organic analyte detection sensor, and it is set in organic matter Outer casing (14) outside detection sensor；Wherein, the organic matter detection sensor include can send ultraviolet light source and with The detection components that can detect Organic substance in water content that the light source coordinates, wherein the light source is detection group LED uviol lamps (1), detection group LED uviol lamps (1) are connected with current control circuit (5) flows through detection group LED by current control circuit (5) control The size of current of uviol lamp；The detection components includeThe 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 the interior Organic substance in water content of detection pipe (2).
- 2. hand-held organic matter detection terminal according to claim 1, it is characterised in that：The organic matter detection sensor Also include housing (11), be provided with detection pipe accommodating cavity in the housing (11), detection pipe (2) is arranged in detection pipe accommodating cavity； The current control circuit (5) and detection group LED uviol lamps (1) are arranged at housing (11) side, and detection group ultraviolet receives Device (3), detection group signal amplification circuit (4) and signal processing circuit (6) are arranged on housing (11) another opposite side；Housing (11) It is interior be provided with it is being connected with detection pipe accommodating cavity, lead to positioned at the first light transmission passage of detection pipe accommodating cavity two opposite sides and the second printing opacity Road, the ultraviolet light that detection group LED uviol lamps (1) are sent after the first light transmission passage, detection pipe (2) and the second light transmission passage by arriving Up to the ultraviolet line receiver of detection group (3).
- 3. hand-held organic matter detection terminal according to claim 1, it is characterised in that：The organic matter detection sensor Also include control component, 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 the interior Organic substance in water content of detection pipe (2).
- 4. hand-held organic matter detection terminal according to claim 3, it is characterised in that：The organic matter detection sensor Also include housing (11), be provided with detection pipe accommodating cavity and control tube accommodating cavity in the housing (11), detection pipe (2) is arranged on inspection In test tube accommodating cavity；Control tube (7) is arranged in control tube accommodating cavity；The current control circuit (5), detection group LED are ultraviolet Lamp (1) and control group LED uviol lamps (10) are arranged at housing (11) side, the ultraviolet line receiver of detection group (3), detection group letter Number amplifying circuit (4), the ultraviolet line receiver of control group (8), control group signal amplification circuit (9) and signal processing circuit (6) are set Put in housing (11) another opposite side；Be provided with housing (11) it is being connected with detection pipe accommodating cavity, positioned at detection pipe accommodating cavity two The light transmission passage of opposite side first and the second light transmission passage, the ultraviolet light that detection group LED uviol lamps (1) are sent are led to by the first printing opacity The ultraviolet line receiver of detection group (3) is reached after road, detection pipe (2) and the second light transmission passage；It is provided with housing (11) and control tube It is accommodating cavity connection, ultraviolet 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 The ultraviolet light that lamp (10) is sent is by reaching control group ultraviolet after the 3rd light transmission passage, control tube (7) and the 4th light transmission passage Receiver (8).
- 5. the hand-held organic matter detection terminal according to claim 1 or 2 or 3 or 4, it is characterised in that：The outer casing (14) it is provided with the display screen (15) being connected with signal processing circuit (6).
- A kind of 6. detection method of hand-held organic matter detection terminal as claimed in claim 1 or 2, it is characterised in that：Including such as Lower step：Step (1), detection pipe (2) vacuumized, or keeps be full of air in detection pipe (2), or detection pipe (2) it is interior pour it is pure Water purification, the detection group LED uviol lamps (1) are then turned on, by signal processing circuit (6) output control signal to current control Circuit (5), make the electric current for flowing through detection group LED uviol lamps (1) that linear change be presented；Then signal processing circuit (6) is remembered respectively The uitraviolet intensity signal after signal amplification circuit (4) amplification is organized in record after testing under different current conditions, and these are ultraviolet Line strength value is averaged, and is then designated as the first uitraviolet intensity reference point；Step (2), prepare the control water sample that known to N parts content of organics and content differs, keep the detection group LED purple Outer lamp (1) is opened, and this N part control water sample then is passed sequentially through into the detection pipe (2) respectively, according to step (1) identical side Formula, current control circuit (5) is given by signal processing circuit (6) output control signal, make to flow through detection group LED uviol lamps (1) Electric current present linear change；Then signal processing circuit (6) is separately recorded in N parts control aqueous sample stream under different current conditions The uitraviolet intensity signal after signal amplification circuit (4) amplification is organized when crossing 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+1 part uitraviolet intensity reference points obtained according to step (1) and step (2), obtain a control water sample Middle content of organics from organized after testing under different current conditions signal amplification circuit (4) amplification after uitraviolet intensity value between The table of comparisons；Step (4), keep detection group LED uviol lamps (1) to open, water to be measured is flowed through into the detection pipe (2), according to step (1) Identical mode, current control circuit (5) is given by signal processing circuit (6) output control signal, make to flow through detection group LED purples Linear change is presented in the electric current of outer lamp (1)；Then signal processing circuit (6) is recorded under different current conditions and organizes signal after testing Uitraviolet intensity signal after amplifying circuit (4) amplification, and these uitraviolet intensity values are averaged, then by the average value Uitraviolet intensity detected value is designated as, the table of comparisons then obtained by query steps (3), obtains the organic matter in now water to be measured Content.
- A kind of 7. detection method of the hand-held organic matter detection terminal as described in claim 3 or 4, it is characterised in that：Including such as Lower step：Step (1), open detection group LED uviol lamps (1) and control group LED uviol lamps (10), it is defeated by signal processing circuit (6) Go out control signal and give current control circuit (5), make the electric current for flowing through control group LED uviol lamps (10) that linear change be presented；Then Signal processing circuit (6) is separately recorded in the ultraviolet after control group signal amplification circuit (9) amplification under different current conditions Strength signal, and these uitraviolet intensity values are averaged, then it is designated as the first uitraviolet intensity reference point；Step (2), prepare the control water sample that known to N parts content of organics and content differs, keep the detection group LED purple Outer lamp (1) is opened, and this N part control water sample then is passed sequentially through into the detection pipe (2) respectively, according to step (1) identical side Formula, current control circuit (5) is given by signal processing circuit (6) output control signal, make to flow through detection group LED uviol lamps (1) Electric current present linear change；Then signal processing circuit (6) is separately recorded in N parts control aqueous sample stream under different current conditions The uitraviolet intensity signal after signal amplification circuit (4) amplification is organized when crossing 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 content of organics in a control water sample From the table of comparisons between the uitraviolet intensity value after signal amplification circuit (4) amplifies is organized under different current conditions after testing；Step (4), keep detection group LED uviol lamps (1) and control group LED uviol lamps (10) to open, water to be measured is flowed through described Detection pipe (2), according to step (1) identical mode, by signal processing circuit (6) output control signal to current control circuit (5) linear change is presented in 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 control group signal amplification circuit (9) amplification under different current conditions, then These uitraviolet intensity values are averaged, the uitraviolet intensity average value is designated as interim uitraviolet intensity reference point, will be faced When uitraviolet intensity reference point divided by the first uitraviolet intensity reference point, obtain intensity of light source attenuation ratio；Synchronous signal processing Circuit (6) is recorded in the uitraviolet intensity signal after organizing signal amplification circuit (4) amplification under different current conditions after testing, then These uitraviolet intensity values are averaged, and uitraviolet intensity average value is designated as uitraviolet intensity detected value, by ultraviolet Intensity detection value is multiplied by intensity of light source attenuation ratio, obtains uitraviolet intensity lookup value, is then searched using the uitraviolet intensity Value, the table of comparisons obtained by query steps (3), obtain the content of organics in now water to be measured.
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