CN110133178A - The permanganate index analyzer for having environment adaption function - Google Patents
The permanganate index analyzer for having environment adaption function Download PDFInfo
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- CN110133178A CN110133178A CN201910517892.5A CN201910517892A CN110133178A CN 110133178 A CN110133178 A CN 110133178A CN 201910517892 A CN201910517892 A CN 201910517892A CN 110133178 A CN110133178 A CN 110133178A
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- module
- permanganate index
- main control
- adaption function
- control chip
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- 238000004458 analytical method Methods 0.000 claims abstract description 16
- 150000001875 compounds Chemical class 0.000 claims abstract description 15
- 239000003153 chemical reaction reagent Substances 0.000 claims abstract description 9
- 238000004891 communication Methods 0.000 claims description 5
- 230000007613 environmental effect Effects 0.000 abstract description 4
- 238000002474 experimental method Methods 0.000 abstract description 3
- 238000012544 monitoring process Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 14
- 238000000034 method Methods 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000009835 boiling Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000008236 heating water Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000012286 potassium permanganate Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 238000004448 titration Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/22—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
- G01N27/223—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance for determining moisture content, e.g. humidity
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N31/00—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods
- G01N31/16—Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroup; Apparatus specially adapted for such methods using titration
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- Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Electrochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Molecular Biology (AREA)
- Automatic Analysis And Handling Materials Therefor (AREA)
Abstract
The present invention relates to a kind of permanganate index analyzers for having environment adaption function, including support frame, controller is installed on support frame as described above and specimen cup placement module connected to the controller, water-bath analysis module, sample pipette module, sample introduction module and reagent storage module respectively, the controller includes main control chip, and the main control chip is connected with piezoresistive pressure sensor and temperature and humidity compound sensor.Compared with prior art, the present invention has many advantages, such as to realize environmental monitoring, timely regulation experiment analysis parameter, improves analysis precision.
Description
Technical field
The present invention relates to a kind of permanganate index analyzers, more particularly, to a kind of Gao Meng for having environment adaption function
Hydrochlorate index analysis instrument.
Background technique
Permanganate index refers in acid or alkaline medium, using potassium permanganate as oxidant, is disappeared when handling water sample
The amount of consumption is indicated with the mg/L of oxygen.Nitrite, ferrous salt in water, the reducing inorganics such as sulfide object and in this condition
The organic matter that can be oxidized down can consume potassium permanganate.Therefore, permanganate index often by as surface water body by organic dirt
Contaminate the overall target of object and reducing inorganic object pollution level.
Accuracy of Permanganate Index Determination mainly mostly uses the side of the heating water bath oxalatimetry of national standard GB11892-1989 at present
Method, that there are sample and reagent dosages is big for this method, analysis it is time-consuming it is cumbersome, precision is not good enough, is difficult to the disadvantages of batch quantity analysis.Tradition
Full-automatic permanganate index analyzer be usually predetermined set time setting heating time and heating temperature value, these
Method is to permanganate index analysis instrument is used under different geographical and altitude environment when, in the boiling point of the water of different geographical height above sea level
Difference, thus be not able to satisfy national standard test in require conical flask is placed in boiling water bath heat 30min ± 2min (water-bath boiling
It is put into sample when rising, starts timing after boiling again, temperature is between 96 degree to 98 degree), prevent experimental result is from really anti-
The violent hydrochlorate index index of the height of Ying Shuizhong.
Summary of the invention
It is an object of the invention to overcome the problems of the above-mentioned prior art and provide a kind of to be able to achieve environmental monitoring
The permanganate index analyzer for having environment adaption function.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of permanganate index analyzer having environment adaption function, including support frame are installed on support frame as described above
There is controller and specimen cup placement module connected to the controller, water-bath analysis module, sample pipette module, sample introduction module respectively
With reagent storage module, the controller includes main control chip, and the main control chip is connected with piezoresistive pressure sensor and temperature
Humidity compound sensor.
Further, the support frame as described above back side is provided with automatically controlled mounting plate, the main control chip, piezoresistive pressure sensor
It is set on the automatically controlled mounting plate with temperature and humidity compound sensor.
Further, the piezoresistive pressure sensor is packaged on Background Grid array packages plate.
Further, the piezoresistive pressure sensor is BMP280 module.
Further, the volume of the piezoresistive pressure sensor is less than 10mm3。
Further, the temperature and humidity compound sensor is humicap digital hygro sensor.
Further, the temperature and humidity compound sensor is AM2302 module.
Further, the main control chip is connected with communication chip.
Further, the main control chip is connected with buzzer and indicator light.
Further, the display screen being connected with the main control chip is provided on the automatically controlled mounting plate.
Compared with prior art, the invention has the following beneficial effects:
1) main control chip of permanganate index analyzer of the present invention is connected with piezoresistive pressure sensor and temperature and humidity is multiple
Sensor is closed, environment can be monitored, to adjust analytic process experiment parameter according to environment, is wanted to reach predetermined
It asks, enables the violent hydrochlorate index index of the height in experimental result actual response water.
2) piezoresistive pressure sensor that the present invention uses is packaged on Background Grid array packages plate, small in size, easy for installation.
3) piezoresistive pressure sensor that the present invention uses has high electrical-magnetic compatibility robustness, height for BMP280 module
The advantages that precision, linear and long-time stability, while relative accuracy with higher and the lower total cost of ownership.
4) the temperature and humidity compound sensor that the present invention uses has quality brilliance, super fast response, resists and do for AM2302 module
Disturb the advantages that ability is strong, cost performance is high.
5) present invention is additionally provided with indicator light, including power lights and system lamp, can work power supply connection status and system
State is intuitively shown.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of permanganate index analyzer of the present invention；
Fig. 2 is the connection block diagram of electric control part of the present invention；
Fig. 3 is main control chip schematic diagram of the present invention；
Fig. 4 is piezoresistive pressure sensor schematic diagram of the present invention；
Fig. 5 is temperature and humidity compound sensor schematic diagram of the present invention；
Fig. 6 is color sensor schematic diagram of the present invention；
Fig. 7 is buzzer schematic diagram of the present invention；
Fig. 8 is SWD programming port schematic diagram of the present invention；
Fig. 9 is power lights schematic diagram of the present invention；
Figure 10 is present system lamp schematic diagram；
Figure 11 is communication module schematic diagram of the present invention.
Specific embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.The present embodiment is with technical solution of the present invention
Premised on implemented, the detailed implementation method and specific operation process are given, but protection scope of the present invention is not limited to
Following embodiments.
The present embodiment provides a kind of permanganate index analyzers for having environment adaption function, as Figure 1-Figure 2, packet
Support frame 101 is included, controller and respectively specimen cup placement module 102 connected to the controller, water-bath are installed on support frame 101
Analysis module 103, sample pipette module 105, sample introduction module 106 and reagent storage module 104, and controller includes main control chip
108, main control chip 108 is connected with piezoresistive pressure sensor 109 and temperature and humidity compound sensor 110.Wherein, support frame 101
For the location and installation of each functional module, specimen cup placement module 102 analyzes mould for placing specimen cup 107 to be measured, water-bath
Block 103 detects the titration that specimen cup 107 carries out heating water bath and completes reagent, and sample pipettes module 105 for specimen cup 107
Transfer between specimen cup placement module 102 and water-bath analysis module 103, reagent required for sample introduction module 106 will be tested
It is quantitatively adding in specimen cup 107 in order, reagent needed for reagent storage module 104 stores test, controller is realized to above-mentioned
The control of each module routine.
101 back side of support frame is provided with automatically controlled mounting plate, main control chip 108, piezoresistive pressure sensor 109 and temperature and humidity
Compound sensor 110 is set on the automatically controlled mounting plate.
The main control chip 108 of the present embodiment uses STM32F407G chip, and structure is as shown in Figure 3.
Piezoresistive pressure sensor 109 is packaged on Background Grid array packages plate, and volume is less than 10mm3.In the present embodiment, pressure
Resistance pressure transducer is BMP280 module, is mounted in 8 very compact needle metal cover LGA, size is only 2.0 × 2.5 ×
0.95mm.The circuit diagram of BMP280 is as shown in Figure 4.BMP280 works under low noise, supports new filtered model and SPI
Interface, while relative accuracy with higher and the lower total cost of ownership.BMP280 perfection is suitable for floor detection etc. and answers
With because it is ± 0.12hpa that the sensor, which all has outstanding relative accuracy, being equivalent to difference in height is ± 1m, extremely low offset
When temperature coefficient (TCO) is 1.5pa/k, temperature drift is only 12.6cm/k.
Temperature and humidity compound sensor 110 is humicap digital hygro sensor.In the present embodiment, the compound biography of temperature and humidity
Sensor is AM2302 module, as shown in figure 5, the module is a temperature and humidity composite sensing containing oneself calibration digital signal output
Device, the digital module acquisition technique and temperature and humidity sensing technology of application specific, it is ensured that product has high reliability and brilliance
Long-time stability, which has that quality brilliance, super fast response, strong antijamming capability, cost performance be high, small in size, power consumption
Low advantage.Humicap digital hygro sensor includes a condenser type humidity sensing element and a high precision measuring temperature element.
Each sensor is calibrated in extremely accurate humidity verification room, and calibration factor is stored in single-chip microcontroller in the form of program
In, sensor internal will call these calibration factors in the treatment process of detection signal.There is sensor standard monobus to connect
Mouthful, so that the system integration is become simple quick, signal transmission distance is up to 20 meters or more.
In certain embodiments, main control chip 108 is also connected with color sensor, and circuit diagram is as shown in Figure 6.
In certain embodiments, main control chip 108 is connected with buzzer 112 and indicator light 113.Indicator light includes such as Fig. 9
Shown in power lights and system lamp as shown in Figure 10.Buzzer is as shown in Figure 7.
In certain embodiments, main control chip 108 is also connected with SWD programming port, and circuit diagram is as shown in Figure 8.
In certain embodiments, the display screen 114 connecting with main control chip 108 is provided on automatically controlled mounting plate, it can be intuitive
Carry out the display of the experimental analysis parameter of environmental parameter and water-bath analysis module, thus facilitate experimenter according to sets requirement into
Row adjustment, so that the violent hydrochlorate index index of height in experimental result energy actual response water.
In certain embodiments, the embeddable existing software of main control chip 108 is analyzed according to environmental parameter adjust automatically water-bath
The experimental analysis parameter of module carries out permanganate index analysis in the condition of adaptation environment to realize full-automaticly.
In certain embodiments, main control chip 108 is connected with communication chip 111.Communication chip 111 includes as shown in figure 11
RS232 module and isolation RS 485 module is isolated.
The preferred embodiment of the present invention has been described in detail above.It should be appreciated that those skilled in the art without
It needs creative work according to the present invention can conceive and makes many modifications and variations.Therefore, all technologies in the art
Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Technical solution, all should be within the scope of protection determined by the claims.
Claims (10)
1. a kind of permanganate index analyzer for having environment adaption function, including support frame, it is equipped on support frame as described above
Controller and respectively specimen cup placement module connected to the controller, water-bath analysis module, sample pipette module, sample introduction module and
Reagent storage module, the controller include main control chip, which is characterized in that the main control chip is connected with pressure drag type pressure biography
Sensor and temperature and humidity compound sensor.
2. the permanganate index analyzer according to claim 1 for having environment adaption function, which is characterized in that described
The support frame back side is provided with automatically controlled mounting plate, and the main control chip, piezoresistive pressure sensor and temperature and humidity compound sensor are set
It is placed on the automatically controlled mounting plate.
3. the permanganate index analyzer according to claim 1 for having environment adaption function, which is characterized in that described
Piezoresistive pressure sensor is packaged on Background Grid array packages plate.
4. the permanganate index analyzer according to claim 3 for having environment adaption function, which is characterized in that described
Piezoresistive pressure sensor is BMP280 module.
5. the permanganate index analyzer according to claim 1 for having environment adaption function, which is characterized in that described
The volume of piezoresistive pressure sensor is less than 10mm3。
6. the permanganate index analyzer according to claim 1 for having environment adaption function, which is characterized in that described
Temperature and humidity compound sensor is humicap digital hygro sensor.
7. the permanganate index analyzer according to claim 6 for having environment adaption function, which is characterized in that described
Temperature and humidity compound sensor is AM2302 module.
8. the permanganate index analyzer according to claim 1 for having environment adaption function, which is characterized in that described
Main control chip is connected with communication chip.
9. the permanganate index analyzer according to claim 1 for having environment adaption function, which is characterized in that described
Main control chip is connected with buzzer and indicator light.
10. the permanganate index analyzer according to claim 9 for having environment adaption function, which is characterized in that institute
State the display screen for being provided with and being connected with the main control chip on automatically controlled mounting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910517892.5A CN110133178A (en) | 2019-06-14 | 2019-06-14 | The permanganate index analyzer for having environment adaption function |
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| CN201910517892.5A CN110133178A (en) | 2019-06-14 | 2019-06-14 | The permanganate index analyzer for having environment adaption function |
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| CN110133178A true CN110133178A (en) | 2019-08-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113311102A (en) * | 2021-04-26 | 2021-08-27 | 西藏自治区水文水资源勘测局 | Method for measuring permanganate index in water |
-
2019
- 2019-06-14 CN CN201910517892.5A patent/CN110133178A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113311102A (en) * | 2021-04-26 | 2021-08-27 | 西藏自治区水文水资源勘测局 | Method for measuring permanganate index in water |
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Address after: 201906 Baoshan District, Shanghai Fu Lian two road 189, 5 buildings, 102 rooms on the first floor. Applicant after: Shanghai Anjie Zhichuang Technology Co.,Ltd. Address before: 201906 Baoshan District, Shanghai Fu Lian two road 189, 5 buildings, 102 rooms on the first floor. Applicant before: SHANGHAI ANJIE ENVIRONMENTAL PROTECTION SCIENCE & TECHNOLOGY Co.,Ltd. |
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| WW01 | Invention patent application withdrawn after publication | ||
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Application publication date: 20190816 |