CN109781661A - A kind of water quality parameter detection device and its method based on refraction - Google Patents
A kind of water quality parameter detection device and its method based on refraction Download PDFInfo
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- CN109781661A CN109781661A CN201711098163.8A CN201711098163A CN109781661A CN 109781661 A CN109781661 A CN 109781661A CN 201711098163 A CN201711098163 A CN 201711098163A CN 109781661 A CN109781661 A CN 109781661A
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- quality parameter
- refraction
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- 238000001514 detection method Methods 0.000 title claims abstract description 55
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 title claims abstract description 22
- 239000007788 liquid Substances 0.000 claims abstract description 35
- 238000012360 testing method Methods 0.000 claims abstract description 33
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 18
- 238000007789 sealing Methods 0.000 claims description 9
- 238000004458 analytical method Methods 0.000 claims description 8
- 239000011521 glass Substances 0.000 claims description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 238000007689 inspection Methods 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- 238000010521 absorption reaction Methods 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 238000005259 measurement Methods 0.000 description 7
- 239000005357 flat glass Substances 0.000 description 4
- 230000007812 deficiency Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003651 drinking water Substances 0.000 description 2
- 235000020188 drinking water Nutrition 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000011897 real-time detection Methods 0.000 description 2
- 238000010183 spectrum analysis Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The invention discloses a kind of water quality parameter detection device and its method based on refraction, including housing unit, detection unit and display unit；The detection unit includes lens set, actinolyte, RF transmitter and receiver；Infrared ray and ultraviolet light are incident in receiver respectively by the reflection of lens set, can be detected the TOC value and turbidity value for obtaining testing liquid；Testing result is shown and/or is warned by display device.The accuracy and stability of TOC ﹑ turbidity in real-time online detection water can be improved in the present invention；Inner parts structure is succinct, ingenious in design, can reach real-time display.
Description
Technical field
The present invention relates to water quality inspection technique fields, and in particular to a kind of water quality parameter detection device and side based on refraction
Method.
Background technique
As people improve daily safe drinking water and environmentally friendly attention rate, water quality parameter detection has become Social Water Resource
The necessary means of quality monitoring.It is main at present that water quality detection is carried out using chemical method, spectra methods.The cost of chemical method compared with
It is low, but the service life is shorter, is affected by the external environment big, cannot monitor real-time, quickly；Spectral analysis technique is in water quality monitoring
Using also increasingly extensive.Its with it is without secondary pollution, without chemical reagent and can realize many merits such as measuring multiple parameters.According to inspection
The difference of survey method, spectral water quality analysis parameter mainly have continuous spectrum analysis, multi-wavelength analysis, dual wavelength analysis and Single wavelength
The methods of analysis.Currently, there is live artificial sample, laboratory testing analysis, the mistake of subsequent data out more in market common device
Journey, method and has a single function, is unable to the characteristics of real-time detection, has at high cost, and volume is big, and power consumption is high, and use scope is small, school
The drawbacks such as positive difficult and functional lability, and be difficult to combine with intelligent mobile terminal.As being difficult to meet and be increasingly enhanced at present
The drinking water purifier water quality detection market demand.
Therefore, in water quality parameter detection, how effectively to overcome existing disadvantage, reach high measurement accuracy and system
Stability reduces measurement cost and asks with operation difficulty, product miniaturization, real-time quick, intelligence as now urgently to be resolved
Topic.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the present invention provides a kind of water quality ginseng based on refraction
Number detection device and method, realize real-time detection and online feedback by the refraction of light, can obtain testing result at any time, solve
It has determined the deficiencies in the prior art.
Technical solution: to achieve the above object, a kind of the technical solution adopted by the present invention are as follows: water quality parameter based on refraction
Detection device, which is characterized in that including housing unit, detection unit and display unit；
The detection unit is placed in housing unit；The detection unit includes pedestal, master control borad, lens set, ultraviolet light
Transmitter, RF transmitter and receiver；It include cavity above the pedestal, cavity is connected to water inlet and water outlet；
The lens set includes two pieces mutually in the eyeglass of 70 ° of -110 ° of angles, and the lens set is fixed on the base；
The light incidence testing liquid that the actinolyte and RF transmitter issue, is incident on it in 45° angle
In on one piece of eyeglass；Ultraviolet light incident receiver after being reflected twice by lens set；Infrared light is connect by incidence after unirefringence
Receive device；
The display unit shows the testing result after master control plate analysis.
Further, the housing unit is mutually permanently connected by dismountable mode with detection unit.By removable
The mode unloaded connects, and can easily replace shell, easy access and replacement.
Further, including device seat, the device seat are located above pedestal；The actinolyte, infrared ray hair
Emitter and receiver are each attached in device seat, and the actinolyte and RF transmitter are controlled by control panel.It is purple
External transmitter, infrared transmitter and receiver are fixed on approximately the same plane, and integrated level is high, one and only one reception of the present invention
Device greatly reduces the number of whole internals, and device is fewer, and occupancy volume is smaller, is also more easier to control.
Further, the device seat is connect with testing liquid flow path cavity by glass；The glass and the pedestal
Between gap include sealing device.
Further, the display unit includes display device, wireless transport module, mobile terminal and alarm module.It is logical
Cross wireless way for transmitting data, all intelligent terminals in network can be used, real-time display detection parameters as a result,
Understand the details of water quality at any time convenient for user.
Further, the display device includes display screen and indicator light.
Further, the display unit, which will test result and be sent to mobile terminal by the wireless transport module, shows
And/or it warns.
Further, the pipeline that liquid to be detected flows through includes several sealing devices, and the sealing device includes sealing
Circle.So that the pipeline of testing liquid forms pressure-tight pipeline.
Further, with the method for detection device detection water quality parameter, specific step is as follows:
Fluid to be measured enters detection device by water inlet, by cavity, is finally discharged by water outlet；
When testing liquid flows through cavity, the UV emitter is controlled through control panel, using ultraviolet light as light source, is carried out
In collimated incident to cavity, it is incident on one of eyeglass of lens set in 45° angle；Ultraviolet light is anti-for the first time by the eyeglass
It is incident upon on another piece of eyeglass of lens set, and is in the second secondary reflection of 45° angle on another piece of eyeglass；Ultraviolet light is through interior liquid organic carbon
The absorption of compound, the light of the second secondary reflection converges to receiver after transmission；The relative light intensity value of light is measured through control panel, then
The TOC value of testing liquid is obtained by the calculating of master control borad computing circuit；
When testing liquid flows through cavity, the infrared transmitter is controlled through control panel, using infrared light as light source, is carried out
It collimates and is directly incident in cavity, be incident on one of eyeglass of lens set in 45° angle；Infrared light passes through the eyeglass first
Secondary reflection, in the testing liquid of reflected light incidence in the cavity, the scattering through interior liquid suspended-particle object, scattering light, which converges to, to be connect
Device is received, the relative light intensity value of light is measured through control panel, obtains the turbid of testing liquid using the calculating of master control borad computing circuit
Angle value；
Master control borad by the turbidity value of the TOC value of the testing liquid and the testing liquid by display device show and/
Or it warns.
The utility model has the advantages that a kind of water quality parameter detection device and method based on refraction provided by the invention, has following excellent
Point:
(1) accuracy and stability of TOC ﹑ Zhuo Du ﹑ TDS parameter in real-time online detection water can be improved；Its composition error
Rate can reach ± 2%,
(2) measurement precision and stability are improved；
(3) compared with previous chemical detection method, no Wu Ran ﹑ Chang Shou Ming ﹑ is affected by environment small；
(4) receiver is only needed, compact-sized, rationally distributed, integrated level is high, and it is small in size, it is easily installed and carries,
Use scope is wide；
(5) intelligent；
(6) it is sampled with conventional field, lab analysis is compared, and detection speed is fast, is detected speed less than 1 second, be can reach reality
When show.
Detailed description of the invention
Fig. 1 is a kind of schematic diagram of the method and apparatus of water quality parameter detection of the present invention.
Fig. 2 is a kind of stereoscopic schematic diagram of the method and apparatus of water quality parameter detection of the present invention.
Fig. 3 is a kind of detection unit A-A cross-sectional view of the method and apparatus of water quality parameter detection of the present invention.
Fig. 4 is a kind of detection unit B-B cross-sectional view of the method and apparatus of water quality parameter detection of the present invention.
In figure, 1, shell；2, detection unit；2.1, pedestal；2.2, gasket；2.3, eyeglass I；2.4, pressing plate I；2.5, mirror
Piece II；2.6, pressing plate II；2.7, device seat；2.8, sheet glass；2.9, control panel；2.10, master control borad；2.11, receiver；
2.12, UV emitter；2.13, infrared transmitter；2.14, water inlet；2.15, water outlet；2.16, screw；2.17, cavity；
3, detection unit；3.1, display device；3.2, wireless transport module；3.3, mobile terminal；3.4 alarm module；
Specific embodiment
The present invention will be further explained with reference to the accompanying drawing.
As shown in Figure 1, a kind of water quality parameter detection device based on refraction, which is characterized in that including housing unit 1, inspection
Survey unit 2 and display unit 3；Mainly for detection of the TOC and turbidity parameter of water quality.TOC parameter, i.e. Total Organic
Carbon, total organic carbon parameter；Turbidity refers to the obstruction degree occurred when suspended matter penetrates light in water.
The direction A-A in Fig. 2, B-B illustrates the section view signal of Fig. 3 and Fig. 4.
As in Figure 2-4, in the present embodiment, the detection unit 2 is placed in housing unit 1；The detection unit 2 includes
Pedestal 2.1, gasket 2.2, eyeglass I 2.3, pressing plate I 2.4, eyeglass II 2.5, pressing plate II 2.6, device seat 2.7, sheet glass 2.8,
Control panel 2.9, master control borad 2.10, receiver 2.11, UV emitter 2.12, infrared transmitter 2.13, water inlet 2.14, water outlet
Mouth 2.15, screw 2.16, cavity 2.17；
Cavity 2.17 is located at 2.1 top of pedestal, and cavity is connected to water inlet 2.14 and water outlet 2.15；
The lens set includes the eyeglass for being mutually in 70 ° of -110 ° of angles, and preferably eyeglass angle is 90 ° in the present embodiment, can be with
It is most effective to utilize optical path, most accurately complete the incidence and outgoing of light.The lens set is fixed on the base；The present embodiment
In, which is respectively eyeglass I 2.3 and eyeglass II 2.5.Two pieces of eyeglasses are located at the bottom of pedestal, and eyeglass II 2.5 is located at purple
It is in 45° angle with beam projecting direction immediately below outside line transmitter 2.12 and RF transmitter 2.13.Eyeglass I 2.3, which is located at, to be received
Immediately below device 2.11.The area that eyeglass I 2.3 covers in the present embodiment is less than eyeglass II 2.5, and two pieces of eyeglasses and red, ultraviolet light are sent out
It is necessary to meet following condition for the ray position that emitter issues: ultraviolet light passes through incident after the refractions of two pieces of eyeglasses receive respectively
Device；Infrared light passes through incident receiver after unirefringence.
Here eyeglass II 2.5 is also possible to two pieces of eyeglasses, and one piece is used to reflect infrared ray, and one piece is used to reflect ultraviolet light,
These situations should all be calculated within the scope of the invention.
Pedestal is in order to cooperate the angles of two pieces of eyeglasses, and in the present embodiment, the extended line in pedestal section forms right angle trigonometry
Shape, can the most save material in the case where eyeglass is installed.Two pieces of eyeglasses can be tightly attached on pedestal respectively；Eyeglass I 2.3
It is fixed on the base by pressing plate I 2.4 and screw 2.16, eyeglass II 2.5 is fixed on the base by pressing plate II 2.6 and screw.
Here pedestal can be various shape, as long as eyeglass can be installed.
The space that pedestal is formed is cavity, and cavity top is equipped with one block of glass by seal washer or other sealing devices
Plate, the glass plate are used for light transmission.The surface of glass plate is device seat 2.7, and the device seat 2.7 is located above pedestal；This reality
The example actinolyte, RF transmitter and receiver is applied to be separately fixed in the through-hole in device seat.The purple
Outside line transmitter and RF transmitter are controlled by control panel 2.9.UV emitter, infrared transmitter and receiver are fixed on
Approximately the same plane, integrated level are high, one and only one receiver of the invention and a control panel, by all transmitters directly with control
Making sheet connection, also saves winding displacement, generally greatly reduces the number of whole internals, and device is fewer, occupies volume and gets over
Small, cost is lower.
The top of control panel is master control borad 2.10, and master control borad is for calculating.
In the present embodiment, with the method for detection device detection water quality parameter, specific step is as follows:
Fluid to be measured enters detection device by water inlet 2.14, by cavity 2.17, finally passes through 2.15 row of water outlet
Out；
When testing liquid flows through cavity, the UV emitter is controlled through control panel, by the ultraviolet of 250-280nm wavelength
Light passes through sheet glass 2.8 and carries out being incident on one of mirror of lens set in 45° angle in collimated incident to cavity as light source
On piece II 2.5；Ultraviolet light passes through on II 2.5 first reflection of eyeglass to another piece of eyeglass I 2.3 of lens set, and at another piece
It is in the second secondary reflection of 45° angle on eyeglass I 2.3, the light that ultraviolet light direction and actinolyte 2.12 at this time is launched
Direction is in 180 °；Absorption of the ultraviolet light through interior liquid Organic Compounds, the light of the second secondary reflection after transmission converge to reception
Device 2.11；The relative light intensity value that light is measured through control panel 2.9 obtains using the calculating of 2.10 computing circuit of master control borad and surveys liquid
The TOC value of body；
When testing liquid flows through cavity, the infrared transmitter is controlled through control panel, by the infrared of 700-900nm wavelength
Light passes through sheet glass 2.8 and carries out being incident on one of mirror of lens set in 45° angle in collimated incident to cavity as light source
On piece II 2.5；Infrared light is by II 2.5 first reflection of eyeglass, in the testing liquid of reflected light incidence in the cavity, through interior
The scattering of liquid suspended-particle object, scattering light converge to receiver 2.11, the relative light intensity value of light are measured through control panel, then pass through
The calculating for crossing 2.10 computing circuit of master control borad obtains the turbidity value of testing liquid；
Master control borad by the turbidity value of the TOC value of the testing liquid and the testing liquid by display device show and/
Or it warns.
Display unit 3 shows the measurement result of master control borad 2.10 by display device 3.1.Display device include but
It is not limited to display screen, indicator light etc., the device that can play similar effect can be used as display device.Display unit simultaneously can also
It is shown so that measurement result is transmitted to mobile terminal 3.3 by wireless transport module 3.2, mobile terminal here can be any
Have access to terminal of network, including mobile phone, tablet computer etc..
When measurement result is more than threshold value (standard that measurement result does not meet related setting), alarm unit 3.4 gives
It reminds or issues warning, the alarm unit can play any of suggesting effect by sound, text, image or light etc.
Form prompts user.
The above is only a preferred embodiment of the present invention, it should be pointed out that: for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (9)
1. a kind of water quality parameter detection device based on refraction, which is characterized in that single including housing unit, detection unit and display
Member；
The detection unit is placed in housing unit；The detection unit includes pedestal, master control borad, lens set, ultraviolet light transmitting
Device, RF transmitter and receiver；It include cavity above the pedestal, cavity is connected to water inlet and water outlet；
The lens set includes two pieces mutually in the eyeglass of 70 ° of -110 ° of angles, and the lens set is fixed on the base；
The light incidence testing liquid that the actinolyte and RF transmitter issue, in 45° angle incidence wherein one
On block eyeglass；Ultraviolet light incident receiver after being reflected twice by lens set；Infrared light passes through incident receiver after unirefringence；
The display unit shows the testing result after master control plate analysis.
2. a kind of water quality parameter detection device based on refraction as described in claim 1, which is characterized in that the housing unit
It is mutually permanently connected by dismountable mode with detection unit.
3. a kind of water quality parameter detection device based on refraction as described in claim 1, which is characterized in that including device seat,
The device seat is located above pedestal；The actinolyte, RF transmitter and receiver are each attached in device seat,
The actinolyte and RF transmitter are controlled by control panel.
4. a kind of water quality parameter detection device based on refraction as claimed in claim 3, which is characterized in that the device seat with
Testing liquid flow path cavity is connected by glass；Gap between the glass and the pedestal includes sealing device.
5. a kind of water quality parameter detection device based on refraction as described in claim 1, which is characterized in that the display unit
Including display device, wireless transport module, mobile terminal and alarm module.
6. a kind of water quality parameter detection device based on refraction as claimed in claim 5, which is characterized in that the display device
Including display screen and indicator light.
7. a kind of water quality parameter detection device based on refraction as described in claim 1, which is characterized in that the display unit
It will test result mobile terminal be sent to by the wireless transport module and show and/or warn.
8. a kind of water quality parameter detection device based on refraction as described in claim 1, which is characterized in that liquid to be detected
The pipeline flowed through includes several sealing devices, and the sealing device includes sealing ring.
9. a kind of water quality parameter detection device based on refraction a method as claimed in any one of claims 1-8, which is characterized in that with the inspection
Specific step is as follows for the method for survey device detection water quality parameter:
Fluid to be measured enters detection device by water inlet, by cavity, is finally discharged by water outlet；
When testing liquid flows through cavity, the UV emitter is controlled through control panel, using ultraviolet light as light source, is collimated
It is incident in cavity, is incident on one of eyeglass of lens set in 45° angle；Ultraviolet light passes through the eyeglass first reflection extremely
It on another piece of eyeglass of lens set, and is in the second secondary reflection of 45° angle on another piece of eyeglass；Ultraviolet light is through interior liquid organic carbon chemical combination
The absorption of object, the light of the second secondary reflection converges to receiver after transmission；The relative light intensity value that light is measured through control panel, using
The calculating of master control borad computing circuit obtains the TOC value of testing liquid；
When testing liquid flows through cavity, the infrared transmitter is controlled through control panel, using infrared light as light source, is collimated
It is incident in cavity, is incident on one of eyeglass of lens set in 45° angle；Infrared light passes through the eyeglass first reflection,
In the testing liquid of reflected light incidence in the cavity, the scattering through interior liquid suspended-particle object, scattering light converges to receiver, passes through
Control panel measures the relative light intensity value of light, and the turbidity value of testing liquid is obtained using the calculating of master control borad computing circuit；
The turbidity value of the TOC value of the testing liquid and the testing liquid is shown and/or is shown by display device by master control borad
It is alert.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711098163.8A CN109781661B (en) | 2017-11-09 | Water quality parameter detection device and method based on reflection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711098163.8A CN109781661B (en) | 2017-11-09 | Water quality parameter detection device and method based on reflection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109781661A true CN109781661A (en) | 2019-05-21 |
| CN109781661B CN109781661B (en) | 2024-07-05 |
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| JP2009186365A (en) * | 2008-02-07 | 2009-08-20 | Dkk Toa Corp | Optical unit, manufacturing method therefor, and water quality analyzer |
| CN103267744A (en) * | 2013-04-28 | 2013-08-28 | 燕山大学 | turbidity optical detection device based on rectangular prism |
| WO2014162014A2 (en) * | 2013-04-06 | 2014-10-09 | Optosphere Spectroscopy Gbr | Device for measuring the scattering of a sample |
| CN104374750A (en) * | 2014-11-28 | 2015-02-25 | 南京信息工程大学 | Water turbidity measuring device, system and method |
| CN105259128A (en) * | 2015-11-12 | 2016-01-20 | 浙江微兰环境科技有限公司 | COD and ammonia nitrogen multiparameter online monitoring device and system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009186365A (en) * | 2008-02-07 | 2009-08-20 | Dkk Toa Corp | Optical unit, manufacturing method therefor, and water quality analyzer |
| WO2014162014A2 (en) * | 2013-04-06 | 2014-10-09 | Optosphere Spectroscopy Gbr | Device for measuring the scattering of a sample |
| CN103267744A (en) * | 2013-04-28 | 2013-08-28 | 燕山大学 | turbidity optical detection device based on rectangular prism |
| CN104374750A (en) * | 2014-11-28 | 2015-02-25 | 南京信息工程大学 | Water turbidity measuring device, system and method |
| CN105259128A (en) * | 2015-11-12 | 2016-01-20 | 浙江微兰环境科技有限公司 | COD and ammonia nitrogen multiparameter online monitoring device and system |
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