CN106769967A - A kind of water quality detection system with voice broadcast module - Google Patents
A kind of water quality detection system with voice broadcast module Download PDFInfo
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 43
- 238000001514 detection method Methods 0.000 title claims abstract description 26
- 238000012360 testing method Methods 0.000 claims abstract description 53
- 238000001228 spectrum Methods 0.000 claims abstract description 38
- 239000000523 sample Substances 0.000 claims description 43
- 238000004140 cleaning Methods 0.000 claims description 12
- 238000013100 final test Methods 0.000 claims description 4
- 238000000862 absorption spectrum Methods 0.000 claims description 3
- 238000011010 flushing procedure Methods 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 230000031700 light absorption Effects 0.000 claims description 3
- 239000013307 optical fiber Substances 0.000 claims description 3
- 229910052724 xenon Inorganic materials 0.000 claims description 3
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 claims description 3
- 238000012372 quality testing Methods 0.000 claims 1
- APTZNLHMIGJTEW-UHFFFAOYSA-N pyraflufen-ethyl Chemical compound C1=C(Cl)C(OCC(=O)OCC)=CC(C=2C(=C(OC(F)F)N(C)N=2)Cl)=C1F APTZNLHMIGJTEW-UHFFFAOYSA-N 0.000 abstract 1
- 238000002835 absorbance Methods 0.000 description 5
- 238000010521 absorption reaction Methods 0.000 description 5
- MMDJDBSEMBIJBB-UHFFFAOYSA-N [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] Chemical compound [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[NH6+3] MMDJDBSEMBIJBB-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 238000002798 spectrophotometry method Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- KMUONIBRACKNSN-UHFFFAOYSA-N potassium dichromate Chemical compound [K+].[K+].[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O KMUONIBRACKNSN-UHFFFAOYSA-N 0.000 description 2
- 238000007781 pre-processing Methods 0.000 description 2
- MGSRCZKZVOBKFT-UHFFFAOYSA-N thymol Chemical compound CC(C)C1=CC=C(C)C=C1O MGSRCZKZVOBKFT-UHFFFAOYSA-N 0.000 description 2
- JXBUOZMYKQDZFY-UHFFFAOYSA-N 4-hydroxybenzene-1,3-disulfonic acid Chemical compound OC1=CC=C(S(O)(=O)=O)C=C1S(O)(=O)=O JXBUOZMYKQDZFY-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 208000025274 Lightning injury Diseases 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- 239000005844 Thymol Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000011088 calibration curve Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000009614 chemical analysis method Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- -1 nitrate ions Chemical class 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000011202 physical detection method Methods 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 229960000790 thymol Drugs 0.000 description 1
- 238000002211 ultraviolet spectrum Methods 0.000 description 1
- 238000001429 visible spectrum Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/33—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using ultraviolet light
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- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (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 Or Analysing Materials By Optical Means (AREA)
Abstract
The invention discloses a kind of water quality detection system with voice broadcast module, spectrum test unit one and spectrum test unit two are connected with industrial computer one and industrial computer two respectively, industrial computer one and industrial computer two are connected with master control computer one, described master control computer one is connected to warning device, memory module one, voice broadcast module one and instrument control module, master control computer one is also associated with master control computer two, master control computer two has been also respectively connected with memory module two, display module one and display module two, master control computer two is also associated with mobile terminal and voice broadcast module two.The present invention increases another master control computer, and whether exceeded, judge simple and clear if can calculate parameters, lightning protection accessory system is used, it is to avoid thunderbolt causes unnecessary loss, voice broadcast module has been increased respectively, test result is set more to understand, it is not necessary to during voice broadcast, can manual-lock.
Description
Technical Field
The invention relates to the technical field of environmental protection systems, in particular to a water quality detection system with a voice broadcasting module.
Background
The water quality analysis is to measure and evaluate the quality condition and change rule of water resources, and provides scientific basis for the development, utilization, management and water resource protection of the state and governments at all levels. The quality of water resources is usually described by water quality indicators, and commonly used water quality indicators include Chemical Oxygen Demand (COD), Total Organic Carbon (TOC), nitrate nitrogen (NO3-N), Turbidity (TURB), and the like. The national standard method adopts chemical analysis method for detecting many water quality indexes. For example, COD is a permanganate index or potassium dichromate method, and nitrate nitrogen is phenoldisulfonic acid spectrophotometry or thymol spectrophotometry. The chemical methods can accurately measure the corresponding water quality parameters, but almost all have the problems of long time consumption, more required chemical reagents, poor stability, high failure rate, high use and maintenance cost, secondary pollution and the like in the measurement process.
Disclosure of Invention
The invention aims to make up for the defects of the prior art and provides a water quality detection system with a voice broadcast module.
The invention is realized by the following technical scheme:
a water quality detection system with a voice broadcast module comprises a first spectrum test unit, a second spectrum test unit and a power supply, wherein the first spectrum test unit and the second spectrum test unit comprise a light source, a detection probe and a spectrometer, the first spectrum test unit and the second spectrum test unit are respectively connected with a first industrial computer and a second industrial computer, the first industrial computer and the second industrial computer are respectively connected with a first general control computer, the first general control computer is respectively connected with an alarm device, a first storage module, a first voice broadcast module and an instrument control module, the first general control computer is also connected with a second general control computer, the second general control computer is also respectively connected with a second storage module, a first display module and a second display module, the second general control computer is also connected with a mobile terminal and a second voice broadcast module, the first voice broadcast module and the second voice broadcast module are respectively connected with a first manual switch and a second manual switch, the instrument control module is respectively connected with a cleaning system and a flow path system, the cleaning system is connected with the flow path system, the flow path system is connected with a sample pretreatment device, the first general control computer and the second general control computer are also connected with a lightning protection auxiliary system, the flow path system respectively provides a testing sample for the first spectrum testing unit and the second spectrum testing unit, the power supply supplies power to the system, the sample pretreatment device removes impurities in the sample, the sample is collected to the first spectrum testing unit and the second spectrum testing unit through the flow path system, a light source transmits ultraviolet-visible light to a detecting probe through an incident light path, the light is absorbed by the sample and then transmitted to a spectrograph through an emergent light path, the spectrograph converts photoelectric signals into digital spectrum data and transmits the digital spectrum data to the first industrial computer and the second industrial computer, and the first industrial computer and the second industrial computer respectively obtain ultraviolet-visible light absorption spectra of water quality, and calculate the water quality parameter, industrial computer one and industrial computer two transmit the water quality parameter calculated to the total control computer one separately, the total control computer one compares every two corresponding parameters, when the difference exceeds the predetermined range, start the alarm device, if the difference does not exceed the predetermined range, the total control computer one takes the mean value of two data as the data of the final test, send to the storage module one and the total control computer two separately and broadcast the test data out through the voice broadcast module one, there are standard values of each parameter in the total control computer two, the total control computer two compares the test data received with each standard value separately, if greater than the standard value, display in the display module one and broadcast out the parameter great through the voice broadcast module two, if less than or equal to the standard value, display in the display module two, and the general control computer II also sends the received test data to the mobile terminal, and the cleaning system is controlled by the instrument control module to clean the flow path system.
The detection probe is a double-optical-path differential detection probe and comprises a collimating lens and a focusing lens, a glass sample pool is arranged between the collimating lens and the focusing lens, and a water outlet of the flow path system is communicated with the sample pool.
The cleaning system comprises a backflushing pump, and the backflushing pump adopts a gas-water mixed flushing flow path.
The sample pretreatment device comprises a double-layer pool with a hollow cavity, the inner layer and the outer layer of the pool are detachably connected, and the side wall of the inner layer of the pool is a filter screen.
The light source is an optical fiber xenon lamp light source.
The water quality parameters comprise COD, TOC, TURB and NO 3-N.
The invention has the advantages that: the invention uses a physical detection method based on ultraviolet and visible spectrum detection, avoids the problem of pollution, additionally adds two test units and two industrial computers, prevents large data error caused by error, when the error is larger, the master control computer sends out an alarm to remind workers that the test error is large, whether the detection is instrument damage or improper operation is detected, reduces the problem of detection error, is convenient to use, additionally adds another master control computer, can calculate whether each parameter exceeds the standard or not, has simple and clear judgment, uses a lightning protection auxiliary system, avoids unnecessary loss caused by lightning stroke, respectively adds a voice broadcast module, makes the test result more clear, and can be manually closed when voice broadcast is not needed.
Drawings
Fig. 1 is a block diagram of the working principle of the present invention.
Detailed Description
As shown in fig. 1, a water quality detection system with a voice broadcast module comprises a first spectrum test unit 1, a second spectrum test unit 2 and a power supply 3, wherein each of the first spectrum test unit 1 and the second spectrum test unit 2 comprises a light source 4, a detection probe 5 and a spectrometer 6, the first spectrum test unit 1 and the second spectrum test unit 2 are respectively connected with a first industrial computer 7 and a second industrial computer 8, the first industrial computer 7 and the second industrial computer 8 are respectively connected with a first general control computer 9, the first general control computer 9 is respectively connected with an alarm device 10, a first storage module 11, a first voice broadcast module 12 and an instrument control module 13, the first general control computer 9 is further connected with a second general control computer 14, the second general control computer 14 is further respectively connected with a second storage module 15, a first display module 16 and a second display module 17, the second general control computer 14 is further connected with a mobile terminal 18 and a second voice broadcast module 19, the voice broadcasting module I12 and the voice broadcasting module II 19 are respectively connected with a manual switch I20 and a manual switch II 21, the instrument control module 13 is respectively connected with a cleaning system 22 and a flow path system 23, the cleaning system 22 is connected with the flow path system 23, the flow path system 23 is connected with a sample preprocessing device 24, the general control computer I9 and the general control computer II 14 are also connected with a lightning protection auxiliary system 25, the flow path system 23 respectively provides a test sample for the spectrum testing unit I1 and the spectrum testing unit II 2, the power supply 3 supplies power for the system, the sample preprocessing device 24 removes impurities in the sample, the sample is collected to the spectrum testing unit I1 and the spectrum testing unit II 2 through the flow path system 23, the light source 4 transmits ultraviolet-visible light to the detection probe 5 through an incident light path, the light is absorbed by the sample and then passes through an emergent light path to the spectrometer 6, the spectrometer 6 converts photoelectric signals into digital spectrum data and transmits the digital spectrum data to the first industrial computer 7 and the second industrial computer 8, the first industrial computer 7 and the second industrial computer 8 respectively obtain ultraviolet-visible light absorption spectra of water quality and calculate water quality parameters, the first industrial computer 7 and the second industrial computer 8 respectively transmit the calculated water quality parameters to the first general control computer 9, the first general control computer 9 compares every two corresponding parameters, when the difference exceeds a preset range, the alarm device 10 is started, if the difference does not exceed the preset range, the first general control computer 9 takes the average value of the two data as the final test data, the final test data are respectively transmitted to the first storage module 11 and the second general control computer 14 and the test data are broadcasted through the first voice broadcast module 12, and the second general control computer 14 is internally provided with standard values of the parameters, and the second general control computer 14 compares the received test data with each standard value respectively, if the test data is larger than the standard value, the test data is displayed in the first display module 16 and the parameter is reported to be larger through the second voice broadcasting module 19, if the test data is smaller than or equal to the standard value, the test data is displayed in the second display module 17 and stored in the second storage module 15, the test data is broadcasted through the second voice broadcasting module 19, the second general control computer 14 also sends the received test data to the mobile terminal 18, and the cleaning system 22 is controlled by the instrument control module 13 to clean the flow path system 23.
The detection probe 5 is a double-optical-path differential detection probe, and comprises a collimating lens and a focusing lens, a glass sample cell is arranged between the collimating lens and the focusing lens, and a water outlet of the flow path system is communicated with the sample cell.
The cleaning system 22 comprises a backflushing pump, and the backflushing pump adopts a gas-water mixed flushing flow path.
The sample pretreatment device 24 comprises a double-layer pool with a hollow cavity, the inner layer and the outer layer of the pool are detachably connected, and the side wall of the inner layer of the pool is a filter screen.
The light source 4 is an optical fiber xenon lamp light source.
The water quality parameters comprise COD, TOC, TURB and NO 3-N.
The ultraviolet-visible light general method is a method for determining a COD value based on measuring the absorption intensity of organic matters in a water body to ultraviolet-visible light, the absorption of the organic matters to the ultraviolet light follows the Lambert Beer law, the optical path of a sample pool is unchanged, the types of the organic matters and inorganic reducing substances and the absorption coefficients thereof are unchanged, and the COD value under a specific condition can be determined by the absorption degree of the organic matters to the ultraviolet-visible light.
Due to the fact that
Therefore, it is not only easy to useWherein,Wc、n、p、CODBall have fixed values, and in a water body with relatively stable components, the TOC value and the COD value have a good correlation, and the TOC value can be analyzed through the COD value of the water quality.
The turbidity detection is based on the Lambert Beer law, the degree of attenuation of incident light after penetrating through a sample and the turbidity of the sample to be detected have the following relational expression,
in the formula, A represents the absorbance of a substance in a solution, I0 represents the intensity of incident light, I represents the intensity of projected light, a is a proportionality coefficient, b is an optical path length, and c is the concentration of the solution, and the turbidity value can be reflected by detecting the intensity of transmitted light transmitted through a sample to be measured.
Measuring nitrate nitrogen in water by ultraviolet spectrophotometry, correcting the value of nitrate nitrogen by using the absorption of nitrate ions at 220nm wavelength and 275nm as compensation measurement,
Aadj＝A220-2A275
wherein Aadj is the corrected absorbance, A220Absorbance at a wavelength of 220nm, A275The absorbance measured at 275nm wavelength, after calculating the corrected absorbance, was looked up from the calibration curve to obtain the corresponding amount of NO 3-N.
Claims (6)
1. The utility model provides a water quality testing system with voice broadcast module which characterized in that: the system comprises a first spectrum testing unit, a second spectrum testing unit and a power supply, wherein the first spectrum testing unit and the second spectrum testing unit both comprise a light source, a detection probe and a spectrometer, the first spectrum testing unit and the second spectrum testing unit are respectively connected with a first industrial computer and a second industrial computer, the first industrial computer and the second industrial computer are respectively connected with a first general control computer, the first general control computer is respectively connected with an alarm device, a first storage module, a first voice broadcasting module and an instrument control module, the first general control computer is also connected with a second general control computer, the second general control computer is also respectively connected with a second storage module, a first display module and a second display module, the second general control computer is also connected with a mobile terminal and a second voice broadcasting module, the first voice broadcasting module and the second voice broadcasting module are respectively connected with a first manual switch and a second manual switch, the instrument control module is respectively connected with a cleaning system and a flow path system, the cleaning system is connected with the flow path system, the flow path system is connected with a sample pretreatment device, the first general control computer and the second general control computer are also connected with a lightning protection auxiliary system, the flow path system respectively provides a testing sample for the first spectrum testing unit and the second spectrum testing unit, the power supply supplies power to the system, the sample pretreatment device removes impurities in the sample, the sample is collected to the first spectrum testing unit and the second spectrum testing unit through the flow path system, a light source transmits ultraviolet-visible light to a detecting probe through an incident light path, the light is absorbed by the sample and then transmitted to a spectrograph through an emergent light path, the spectrograph converts photoelectric signals into digital spectrum data and transmits the digital spectrum data to the first industrial computer and the second industrial computer, and the first industrial computer and the second industrial computer respectively obtain ultraviolet-visible light absorption spectra of water quality, and calculate the water quality parameter, industrial computer one and industrial computer two transmit the water quality parameter calculated to the total control computer one separately, the total control computer one compares every two corresponding parameters, when the difference exceeds the predetermined range, start the alarm device, if the difference does not exceed the predetermined range, the total control computer one takes the mean value of two data as the data of the final test, send to the storage module one and the total control computer two separately and broadcast the test data out through the voice broadcast module one, there are standard values of each parameter in the total control computer two, the total control computer two compares the test data received with each standard value separately, if greater than the standard value, display in the display module one and broadcast out the parameter great through the voice broadcast module two, if less than or equal to the standard value, display in the display module two, and the general control computer II also sends the received test data to the mobile terminal, and the cleaning system is controlled by the instrument control module to clean the flow path system.
2. The water quality detection system with the voice broadcast module according to claim 1, characterized in that: the detection probe is a double-optical-path differential detection probe and comprises a collimating lens and a focusing lens, a glass sample pool is arranged between the collimating lens and the focusing lens, and a water outlet of the flow path system is communicated with the sample pool.
3. The water quality detection system with the voice broadcast module according to claim 1, characterized in that: the cleaning system comprises a backflushing pump, and the backflushing pump adopts a gas-water mixed flushing flow path.
4. The water quality detection system with the voice broadcast module according to claim 1, characterized in that: the sample pretreatment device comprises a double-layer pool with a hollow cavity, the inner layer and the outer layer of the pool are detachably connected, and the side wall of the inner layer of the pool is a filter screen.
5. The water quality detection system with the voice broadcast module according to claim 1, characterized in that: the light source is an optical fiber xenon lamp light source.
6. The water quality detection system with the voice broadcast module according to claim 1, characterized in that: the water quality parameters comprise COD, TOC, TURB and NO 3-N.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111551496A (en) * | 2020-06-22 | 2020-08-18 | 深圳市长隆科技有限公司 | Timing detection system applied to water quality detector |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202748313U (en) * | 2012-09-21 | 2013-02-20 | 成都君万科技有限公司 | Error detection and elimination system of visibility detection instrument |
| CN104459065A (en) * | 2013-09-12 | 2015-03-25 | 西安众智惠泽光电科技有限公司 | On-line monitoring system for chemical oxygen demand |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202748313U (en) * | 2012-09-21 | 2013-02-20 | 成都君万科技有限公司 | Error detection and elimination system of visibility detection instrument |
| CN104459065A (en) * | 2013-09-12 | 2015-03-25 | 西安众智惠泽光电科技有限公司 | On-line monitoring system for chemical oxygen demand |
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| CN111551496A (en) * | 2020-06-22 | 2020-08-18 | 深圳市长隆科技有限公司 | Timing detection system applied to water quality detector |
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Application publication date: 20170531 |