CN108693121A - water quality transparency detection device - Google Patents
water quality transparency detection device Download PDFInfo
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- CN108693121A CN108693121A CN201810605167.9A CN201810605167A CN108693121A CN 108693121 A CN108693121 A CN 108693121A CN 201810605167 A CN201810605167 A CN 201810605167A CN 108693121 A CN108693121 A CN 108693121A
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- silicon photocell
- laser emitter
- analog
- water quality
- storehouse
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 46
- 238000001514 detection method Methods 0.000 title claims abstract description 33
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 42
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 42
- 239000010703 silicon Substances 0.000 claims abstract description 42
- 238000006243 chemical reaction Methods 0.000 claims abstract description 17
- 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 abstract description 15
- 230000005611 electricity Effects 0.000 claims description 3
- -1 laser emitter Chemical compound 0.000 claims description 2
- 238000005259 measurement Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 6
- 238000007689 inspection Methods 0.000 abstract description 2
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 1
- 229920005372 Plexiglas® Polymers 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000004083 survival 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
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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)
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
A kind of water quality transparency detection device, is related to water quality inspection technique field, and the solution is to improve measurement accuracy.The device includes pedestal, and the laser emitter in the electrical storehouse of pedestal, silicon photocell, detection circuit;The laser emitter in the light path between laser emitter and silicon photocell, has one section of light path to be exposed to exterior space with silicon photocell formation light connects;The detection circuit includes that master controller, electric current turn voltage module, analog-to-digital conversion module;The current signal output end mouth of the silicon photocell turns voltage module through electric current successively, analog-to-digital conversion module is connected to the data port of master controller.Device provided by the invention can realize continuous measurement.
Description
Technical field
The present invention relates to water quality inspection techniques, more particularly to a kind of technology of water quality transparency detection device.
Background technology
Usual water is the liquid of water white transparency, but the water quality in River Channel is due to containing silt, microorganisms in water, life
The substances such as living and industrial discharge cause water body muddiness and coloration to change, and transparency declines, and human eye sense organ is bad.The index shows
The alteration in nutrition of water quality causes the variation of the survival environmental conditions of aqueous bio.With the raising needs pair of water body environmental requirement
River water body carries out the monitoring of continuous transparency.
Existing water quality transparency detection mainly has following two:
1)Artificial detection is implemented in scene using Sai Shi disk methods, and the detection instrument of this method is a diameter 20cm disk, on disk
Surface indicates the label of the black and white quartering, and is fixed with rope in disc centre, and disk bottom surface is equipped with weight, by disk when detection
Slowly into the water, after not seeing the label of the black and white on disk visually, measure rope enters water length, further according to rope
Enter the transparency of water length computation water-outlet body.
2)Cross method examinations are used in laboratory, the detection instrument of this method is a colourless plexiglass cylinder,
The length of cylinder is 330MM, internal diameter 25MM, and cylinder is marked with 1MM indexing, and cylinder bottom is equipped with white tile, and tile is marked with black
The water sample mixed well is transferred in cylinder and is filled by color cross, when detection, is visually observed from nozzle, is beaten simultaneously vertically downward
The switch for opening cylinder lower end water outlet discharges water, and stops when until water level decreasing is to the black cross figure that can just recognize on tile
It only discharges water, then reads the height of water column, the transparency of water-outlet body is calculated further according to water-column.
Above two water quality transparency detection method is required for observing and measuring under certain illuminating ray, and is seen by human eye
The differentia influence of survey, measurement accuracy is poor, using also being limited by environmental change, can not continuously measure, especially at the scene
It cannot be used when night is without light.
Invention content
Defect present in for the above-mentioned prior art, technical problem to be solved by the invention is to provide a kind of measurement essences
Degree is high, and is not influenced by ambient lighting, can realize the water quality transparency detection device continuously measured.
In order to solve the above-mentioned technical problem, a kind of water quality transparency detection device provided by the present invention, it is characterised in that:
Including pedestal, laser emitter, silicon photocell, detection circuit;
The pedestal be equipped with closed electrical storehouse, the electrical storehouse be equipped with light exit window, light entrance window, laser emitter,
Silicon photocell, detection circuit are separately mounted in electrical storehouse;
The laser emitter forms light connects with silicon photocell, and the light path between laser emitter and silicon photocell is sent out from laser
After emitter is set out, the light exit window in electrical storehouse is initially passed through, exterior space is entered, be then passed through the light entrance window in electrical storehouse, reached
Silicon photocell;
The detection circuit includes that master controller, electric current turn voltage module, analog-to-digital conversion module;The electric current of the silicon photocell is believed
Number output port turns the input end of analog signal mouth that voltage module is connected to analog-to-digital conversion module through electric current, and electric current turns voltage module use
Analog-to-digital conversion module, the number of analog-to-digital conversion module are inputted after the current signal for exporting silicon photocell is converted to voltage signal
The data port of signal output port and master controller interconnects.
Further, the electrical storehouse is laid in the left end of pedestal, and the right end of pedestal is equipped with the first speculum, the second reflection
Mirror passes through successively after the light path between laser emitter and silicon photocell passes through the light exit window in electrical storehouse to enter exterior space
First speculum, the second speculum reflection after, be then passed through the light entrance window in electrical storehouse, reach silicon photocell.
Further, the laser emitter is the laser emitter for the feux rouges that launch wavelength is 650nm.
Water quality transparency detection device provided by the invention, by the cooperation of laser emitter and silicon photocell, according to silicon
The attenuation degree of laser received by photocell calculates water quality transparency automatically, has the characteristics that high certainty of measurement, and
It is not influenced by ambient lighting, can be carried out measuring under any environment, can realize continuous measurement.
Description of the drawings
Fig. 1 is the front view of the water quality transparency detection device of the embodiment of the present invention;
Fig. 2 is the sectional view after line A-A cutting of the water quality transparency detection device of the embodiment of the present invention in Fig. 1;
Fig. 3 is the operation principle block diagram of the water quality transparency detection device of the embodiment of the present invention.
Specific implementation mode
The embodiment of the present invention is described in further detail below in conjunction with description of the drawings, but the present embodiment is not used to limit
The system present invention, every similar structure using the present invention and its similar variation, should all be included in protection scope of the present invention, the present invention
In pause mark indicate the relationship of sum.
As shown in Figure 1-Figure 3, a kind of water quality transparency detection device that the embodiment of the present invention is provided, it is characterised in that:
Including pedestal D1, laser emitter S1, silicon photocell B1, detection circuit U0;
The pedestal D1 is equipped with closed electrical storehouse, and the electrical storehouse is equipped with light exit window W1, light entrance window W2, laser hair
Emitter S1, silicon photocell B1, detection circuit U0 are separately mounted in electrical storehouse;
The laser emitter S1 and silicon photocell B1 forms light connects, and the light path between laser emitter and silicon photocell is from swashing
After optical transmitting set S1 sets out, the light exit window W1 in electrical storehouse is initially passed through, exterior space is entered, the light for being then passed through electrical storehouse is incident
Window W2 reaches silicon photocell B1;
The detection circuit U0 includes that master controller U1, electric current turn voltage module U2, analog-to-digital conversion module U3;The silicon photocell
The current signal output end mouth of B1 turns the input end of analog signal mouth that voltage module U2 is connected to analog-to-digital conversion module U3 through electric current, electricity
Circulation voltage-mode founds block for inputting analog-to-digital conversion module, mould after the current signal that silicon photocell exports is converted to voltage signal
The digital signal output end mouth of number conversion module U3 is interconnected with the data port of master controller U1.
In the embodiment of the present invention, the electrical storehouse is laid in the left end of pedestal D1, and the right end of pedestal D1 is equipped with the first reflection
Mirror J1, the second speculum J2, it is outer that the light path between laser emitter and silicon photocell passes through the light exit window in electrical storehouse to enter
Behind portion space, successively through the first speculum, the second speculum reflection after, be then passed through the light entrance window in electrical storehouse, reach silicon light
Battery;By the reflection of the first speculum, the second speculum, light path can be made to turn back, so as to so that laser emitter, silicon light
Battery is laid in homonymy, can substantially reduce the length of pedestal, and the dosage of detected water sample can also be greatly decreased.
In the embodiment of the present invention, the laser emitter is the laser emitter for the feux rouges that launch wavelength is 650nm,
The feux rouges that wavelength is 650nm attenuation coefficient in river water is small.
In the embodiment of the present invention, the master controller U1, electric current turn voltage module U2, analog-to-digital conversion module U3 is existing
Technology, master controller is using microcontroller.
The operation principle of the embodiment of the present invention is as follows:
Water quality transparency detection device is put into tested water body, the red laser of laser transmitter projects by tested water body, then
Through the first speculum, the second speculum reflection after be radiated at silicon photocell(The spectral sensitivity of silicon photocell is close to human eye
Sensitivity)On, heterogeneity is contained in different tested water bodys, also will produce different degrees of decaying when reaching silicon photocell
(Laser energy can be absorbed by water body), the irradiation energy that silicon photocell is absorbed can also change, and silicon photocell is according to being connect
The intensity of the red laser received generates the current signal of respective strengths, and is turned after voltage module is converted to voltage signal by electric current
Analog-to-digital conversion module is inputted, then master controller is inputted after being converted to digital signal by analog-to-digital conversion module, is converted by master controller
For water quality transparency.
The calculation formula of water quality transparency is:
Wherein, ST is water quality transparency,It is silicon photocell according to the intensity of received red laser(Swash in the present embodiment
The light path spacing of optical transmitting set and silicon photocell is 21cm),For the half-light intensity of silicon photocell when there is no light.
Claims (3)
1. a kind of water quality transparency detection device, it is characterised in that:Including pedestal, laser emitter, silicon photocell, detection electricity
Road;
The pedestal be equipped with closed electrical storehouse, the electrical storehouse be equipped with light exit window, light entrance window, laser emitter,
Silicon photocell, detection circuit are separately mounted in electrical storehouse;
The laser emitter forms light connects with silicon photocell, and the light path between laser emitter and silicon photocell is sent out from laser
After emitter is set out, the light exit window in electrical storehouse is initially passed through, exterior space is entered, be then passed through the light entrance window in electrical storehouse, reached
Silicon photocell;
The detection circuit includes that master controller, electric current turn voltage module, analog-to-digital conversion module;The electric current of the silicon photocell is believed
Number output port turns the input end of analog signal mouth that voltage module is connected to analog-to-digital conversion module through electric current, and electric current turns voltage module use
Analog-to-digital conversion module, the number of analog-to-digital conversion module are inputted after the current signal for exporting silicon photocell is converted to voltage signal
The data port of signal output port and master controller interconnects.
2. water quality transparency detection device according to claim 1, it is characterised in that:The electrical storehouse is laid in pedestal
The right end of left end, pedestal is equipped with the first speculum, the second speculum, and the light path between laser emitter and silicon photocell passes through electricity
After the light exit window of gas storehouse enters exterior space, successively through the first speculum, the second speculum reflection after, be then passed through electrical
The light entrance window in storehouse reaches silicon photocell.
3. water quality transparency detection device according to claim 1, it is characterised in that:The laser emitter is for sending out
The laser emitter of the feux rouges of a length of 650nm of ejected wave.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711343837 | 2017-12-15 | ||
| CN2017113438376 | 2017-12-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108693121A true CN108693121A (en) | 2018-10-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201810605167.9A Pending CN108693121A (en) | 2017-12-15 | 2018-06-13 | water quality transparency detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112098338A (en) * | 2020-09-14 | 2020-12-18 | 西南石油大学 | Well head foam content detection sensor |
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| CA2386268A1 (en) * | 2002-05-13 | 2003-11-13 | John Tulip | Vehicle mounted gas detector |
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| CN202994649U (en) * | 2012-11-28 | 2013-06-12 | 河南省雪鸟实业有限公司 | Transparency meter |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112098338A (en) * | 2020-09-14 | 2020-12-18 | 西南石油大学 | Well head foam content detection sensor |
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Legal Events
| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20190319 Address after: Room 221, 2nd floor A, Building 72, Lane 3938, Shanghai Qingpu District, Shanghai Applicant after: SHANGHAI PANDAO INTELLIGENT TECHNOLOGY CO.,LTD. Address before: Room 312, Building No. 1, 99 Haike Road, Pudong New District, Shanghai 201210 Applicant before: SHANGHAI PANBO INTELLIGENT TECHNOLOGY CO.,LTD. |
|
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Xia Haibo Inventor after: Yuan Guotun Inventor before: Yuan Guotun |
|
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20181023 |