CN110231376A - A kind of ammonia nitrogen water quality monitoring sensor and its detection method - Google Patents
A kind of ammonia nitrogen water quality monitoring sensor and its detection method Download PDFInfo
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- CN110231376A CN110231376A CN201910437706.7A CN201910437706A CN110231376A CN 110231376 A CN110231376 A CN 110231376A CN 201910437706 A CN201910437706 A CN 201910437706A CN 110231376 A CN110231376 A CN 110231376A
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- sensor
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- ammonia nitrogen
- measuring device
- water quality
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
-
- 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
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/27—Association of two or more measuring systems or cells, each measuring a different parameter, where the measurement results may be either used independently, the systems or cells being physically associated, or combined to produce a value for a further parameter
-
- 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
- G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
- G01N27/28—Electrolytic cell components
- G01N27/30—Electrodes, e.g. test electrodes; Half-cells
- G01N27/38—Cleaning of electrodes
Abstract
A kind of ammonia nitrogen water quality provided by the invention monitors sensor, including measuring device, cleaning device, circuit package, sensor package casing；The measuring device is circumferentially evenly arranged on inside sensor package casing, measuring device center is arranged in the cleaning device, and the cleaning device is fixed on inside sensor package casing, the circuit package circuit connection measuring device, and the circuit package is fixed on the upside of the measuring device in sensor outer housing and cleaning device；The information of ammonium ion (NH4+) concentration value, potassium ion (K+) concentration value, pH value, temperature value, total nitrogen (N) concentration value, free state ammonia (NH3) concentration value in water is measured to obtain using measuring device, in the storage Jing Guo circuit package and then it is emitted to remote date transmission platform, and then achievees the purpose that real-time monitoring.
Description
Technical field
The present invention relates to water quality inspection technique fields, and in particular to a kind of ammonia nitrogen water quality monitoring sensor and its detection side
Method.
Background technique
The ammonia-nitrogen content of water body refer in the form of free state ammonia (NH3) and ammonium ion (NH4+) existing for nitrogenous total amount,
It is an important indicator for reflecting water pollution；After waste water containing a large amount of ammonia nitrogens is discharged into rivers and lakes, Natural Water is not only caused
The eutrophication of body pollutes, and eutrophication can bring cyanobacteria, red tide etc., so that water hypoxia, breeds unwanted aquatic organism, and then lead
It causes fish extremely busy, the loss that can not be retrieved is caused to environment；It is wherein especially the ammonia nitrogen of free state, is a kind of fat-soluble toxic
, just there are apparent toxic action in gas, when very little concentration to aquatile, cause dead because taking oxygen carrying capacity decline in Fish
It dies.
And it is measured in water body there are many kinds of the methods of ammonia-nitrogen content at present, titration, nessler reagent after thering is distillation to separate
Spectrophotometry, salicylic acid spectrophotometry, Ammonia Gas Sensor Electrode Method, several spectra methods of optical fiber fluorescence method etc..The above method is equal
There are some defects, for example, titration sensitivity is not high, spectrophotometry chemical levels are big, and step is many and diverse, analysis time
Length is unable to real-time online measuring；Ammonia Gas Sensor Electrode Method needs to adjust water sample pH value and reaches 11, and large area water sample cannot achieve
Monitoring, optical fiber fluorescence law technology is also immature, and spectra methods instrument cost is high etc., it is above for live real-time online prison
All there is variety of problems in survey, be that monitoring is difficult to promote on a large scale.
Summary of the invention
(1) technical problems to be solved
The present invention is to solve how scene on the spot ammonia-nitrogen content in real-time monitoring water the problem of.
(2) technical solution
To solve the technical problem, the present invention provides a kind of ammonia nitrogen water quality monitoring sensor and its detection method, has ammonia nitrogen
Real-time monitoring implementation is easy to use, and monitoring cost is cheap, does not need to carry out additional pretreatment to monitoring water quality, reduces volume
External cause handles the characteristics of measuring medium bring environmental pollution.
A kind of ammonia nitrogen water quality provided by the invention monitors sensor, including measuring device, cleaning device, circuit package, biography
Sensor package casing；The measuring device is circumferentially evenly arranged on inside sensor package casing, the cleaning device setting measurement dress
Center is set, and the cleaning device is fixed on inside sensor package casing, the circuit package circuit connection measuring device,
And the circuit package is fixed on the upside of the measuring device in sensor outer housing and cleaning device.
A kind of ammonia nitrogen water quality monitoring sensor provided by the invention can further be set as the sensor package casing
Lower casing is encapsulated including sensor encapsulation upper casing and sensor, the sensor encapsulation lower casing is fixed under sensor encapsulation upper casing
Side, the sensor encapsulation lower casing is for detecting water quality, and sensor encapsulation upper casing is for fixation measuring device, cleaning dress
It sets, circuit package.
It includes ammonium that a kind of ammonia nitrogen water quality monitoring sensor provided by the invention, which can further be set as the measuring device,
Ion (NH4+) measuring unit, reference measurement unit, potassium ion (K+) measuring unit, PH(H+) measuring unit and temperature measurement it is single
Member；Wherein ion (NH4+) measuring unit, reference measurement unit, potassium ion (K+) measuring unit and PH(H+) measuring unit
It is circumferentially distributed in sensor encapsulation upper casing bottom, and is connected by connector A, and the connector junction uses sealing ring
It is sealed.
It is solid that a kind of ammonia nitrogen water quality monitoring sensor provided by the invention can further be set as the temperature measurement unit
Upper casing bottom is encapsulated due to sensor, and the temperature measurement unit is fixed on sensor encapsulation upper casing marginal position, the temperature
It spends measuring unit and sensor encapsulation upper casing bottom bearing is fixed using epoxy pouring sealant sealing.
A kind of ammonia nitrogen water quality monitoring sensor provided by the invention can further be set as the cleaning device by one
Pneumatic circuit is constituted, and the cleaning device is through sensor encapsulation upper casing and circuit package, cleaning device bottom cylindrical surface
It is equipped with gas outlet, the gas outlet is to encapsulate upper casing side to sensor to be obliquely installed, and the cleaning device other end is in sensor
The connector B for connecting air pump is connected on encapsulation upper casing top, the air pump is equipped with the control list of common automatic start-stop
Member.
It includes letter that a kind of ammonia nitrogen water quality monitoring sensor provided by the invention, which can further be set as the circuit package,
Number modulation unit, data storage processing unit, wireless transmitter module, power module and bus serial port module, the signal modulation
Unit, data storage processing unit, wireless transmitter module, power module and bus serial port module are wrapped with shell, described outer
Shell is equipped with to be sealed for the sealing ring of sealing.
A kind of ammonia nitrogen water quality monitoring sensor provided by the invention can further be set as the signal modulation unit point
Not with each unit circuit connection in measuring device, the data storage processing unit connect with signal modulation element circuit, institute
State power module respectively with signal modulation unit and data storage processing unit circuit connection, the bus serial port module and data
Storage processing unit circuit connection, the wireless transmitter module and data storage processing unit circuit connection.
A kind of ammonia nitrogen water quality monitoring sensor provided by the invention can further be set as the sensor package casing
Top is equipped with thread bush, intermediate seal connection signal shielded cable in the thread bush, and the power module passes through signal shielding
Cable circuit connection external connection power supply, the bus serial port module pass through connection signal shielded cable output signal.
A kind of ammonia nitrogen water quality monitoring sensor provided by the invention can further be set as the sensor encapsulation lower casing
It is uniformly distributed on peripheries with through slot, sensor encapsulation lower casing bottom centre offers through hole, and the sensor encapsulates lower casing
Bottom is in central concave shape.
A kind of ammonia nitrogen water quality monitoring sensor provided by the invention can further be set as the sensor encapsulation lower casing
It is uniformly distributed on peripheries with through slot, sensor encapsulation lower casing bottom offers through hole, and the sensor encapsulates lower casing bottom
In to central concave shape.
The present invention also provides a kind of detection methods of ammonia nitrogen water quality monitoring sensor, including；
A, sensor is installed in the liquid of needs detection；
B, power on；
C, measuring device works, and will measure signal and is transferred to signal modulation unit and carries out being converted to digital signal, wherein in measurement
Potential difference, potassium ion induction electrode between ammonium ion induction electrode and ammonia nitrogen reference electrode and the electricity between ammonia nitrogen reference electrode
The Current Temperatures of potential difference, the pH value of testing liquid and testing liquid；
D, it will convert after the digital data transmission to data storage processing unit after turning；
E, the data after conversion are emitted to remote date transmission platform by wireless transmitter module, while by the data after conversion
By bus serial port module, exported by signal shielding cable；
F, cleaning device is controlled by air pump, and air pump carries out measuring device by the control unit control of common automatic start-stop clear
It washes.
(3) beneficial effect
1, the present invention measures to obtain ammonium ion (NH4+) concentration value, potassium ion (K+) concentration value, pH value, temperature in water using measuring device
The information of angle value, total nitrogen (N) concentration value, free state ammonia (NH3) concentration value in the storage Jing Guo circuit package and then is emitted to remote
Journey data service platform, and then achieve the purpose that real-time monitoring.
2, the present invention is equipped with cleaning device at center, and for what is cleaned to measuring device, and gas outlet is to biography
Sensor encapsulation upper casing side be obliquely installed, enable cleaning device blow out gas adequately by the foreign matter being attached in measuring device with
Rubbish is haveed broken up from so that sensor service life extends.
3, sensor of the invention encapsulation lower casing is uniformly distributed on peripheries with through slot, and bottom offers through hole, for facilitating inspection
It surveys after liquid flows into and is detected for measuring device, while big suspended particulate and biology being protected to damage cleaning device.
4, the bottom of sensor of the invention encapsulation lower casing is in and facilitates and pass after sensor is removed the water surface to central concave shape
Liquid in sensor encapsulation lower casing quickly all flows out, and reaches in sensor encapsulation lower casing without savings liquid.
Detailed description of the invention
Fig. 1 is sensor structure schematic diagram；
Fig. 2 is gas outlet structural schematic diagram；
Fig. 3 is measuring device structural schematic diagram；
Fig. 4 is sensor operating principles schematic diagram；
Wherein, 100, measuring device；101, connector A；110, ammonium ion (NH4+) measuring unit；120, reference measurement unit；
130, potassium ion (K+) measuring unit；140, PH(H+) measuring unit；150, temperature measurement unit；200, cleaning device；210,
Pneumatic circuit；211, gas outlet；220, connector B；300, circuit package；400, sensor package casing；410, sensor seals
Load onto shell；411, thread bush；412, signal shielding cable；420, sensor encapsulates lower casing；421, run through slot；422, through hole.
Specific embodiment
With reference to embodiment, the embodiment of the present invention is furthur described in detail.Following embodiment is used for
Illustrate the present invention, but is not intended to limit the scope of the invention.
As shown in Figure 1, a kind of ammonia nitrogen water quality monitors sensor, including measuring device 100, cleaning device 200, circuit package
300, sensor package casing 400；Wherein measuring device 100 is circumferential is evenly arranged on inside sensor package casing 400, cleaning device
200 setting 100 centers of measuring device, and cleaning device 200 is fixed on inside sensor package casing 400, circuit package 300
Circuit connection measuring device 100, and circuit package 300 is pasted and fixed on the measuring device in sensor outer housing using casting glue
100 with the upside of cleaning device 200.
Sensor package casing 400 includes that sensor encapsulation upper casing 410 and sensor encapsulate lower casing 420, wherein sensor
It encapsulates lower casing 420 and is used to detect water quality using 410 downside of sensor encapsulation upper casing, sensor encapsulation lower casing 420 is screwed on,
And sensor encapsulation upper casing 410 is used for fixation measuring device 100, cleaning device 200, circuit package 300.
As shown in Figure 1,3, measuring device 100 includes ammonium ion (NH4+) measuring unit 110, reference measurement unit 120, potassium
Ion (K+) measuring unit 130, PH(H+) measuring unit 140 and temperature measurement unit 150；Wherein ammonium ion (NH4+) measurement is single
Ammonium ion induction electrode is used in member 110, and ammonia nitrogen reference electrode is used in reference measurement unit 120, and potassium ion (K+) measures
Potassium ion induction electrode, PH(H+ are used in unit 130) pH combination electrode, temperature measurement unit 150 are used in measuring unit 140
For a temperature sensor；The wherein ammonia nitrogen combination electrode that ammonium ion induction electrode and ammonia nitrogen reference electrode are integrated, model
For STISE27 type, 202 type of potassium ion induction electrode model PK-, pH combination electrode is ARPH-102 type, and temperature sensor is
PT1000 type obtains it can be concluded that ammonium ion (NH4+) concentration value, potassium ion (K+) concentration value, pH value, temperature using the above structure
The information of angle value, total nitrogen (N) concentration value, free state ammonia (NH3) concentration value.
Specific ammonium ion (NH4+) measuring unit 110, reference measurement unit 120,130 He of potassium ion (K+) measuring unit
PH(H+) measuring unit 140 is circumferential is distributed in sensor encapsulation 410 bottom of upper casing, and is connected by connector A101, and even
Joint is sealed using sealing ring, and specific connector A101 uses the BNC connector of model 75-5.
Temperature measurement unit 150 is fixed on sensor encapsulation 410 bottom of upper casing, and temperature measurement unit 150 is interference fitted
It is fixed on sensor encapsulation 410 marginal position of upper casing, and temperature measurement unit 150 and sensor encapsulation 410 bottom of upper casing are solid
Fixed place is fixed using epoxy pouring sealant sealing.
If Fig. 1-2 cleaning device 200 is made of a pneumatic circuit 210, cleaning device 200 encapsulates upper casing through sensor
410 with circuit package 300, gas outlet 211 is offered on 200 bottom cylindrical surface of cleaning device, gas outlet 211 is to seal to sensor
It loads onto 410 side of shell to be obliquely installed, 200 other end of cleaning device is connected on sensor encapsulation upper casing top for connecting air pump
Connector B220, connector B220 use MS20 gas-tpe fitting, and it is both one that air pump, which is equipped with the control unit of common automatic start-stop,
It is a that there is time opening, the module that timing is closed.
As shown in figure 4, circuit package 300 include signal modulation unit, data storage processing unit, wireless transmitter module,
Power module and bus serial port module；Wherein signal modulation unit includes operational amplifier, signal photoisolator, transceiver；
Operational amplifier model MCP6002I/SP, signal photoisolator model P2801-1, transceiver model RS485EE；
Data storage processing unit uses 12 processing chips, model PIC16F1783；Power module includes power supply chip, voltage-stablizer
With decompression chip；Power supply chip model BO505S-1W, voltage-stablizer model TPS5430, decompression chip model are HT7333；
Bus serial port module uses the module of model JPX-6081, so that output digit signals are Rs485 (Modbus RTU), wirelessly
Transmitting module is online COD digital transducer, model JZ-COD-202, so that output digit signals are Rs485
(Modbus RTU)。
Wherein signal modulation unit, data storage processing unit, wireless transmitter module, power module and bus serial port module
It is wrapped with shell, shell is equipped with to be sealed for the sealing ring of sealing.
Signal modulation unit respectively with each unit circuit connection in measuring device 100, both signal modulation unit and ammonium from
Sub (NH4+) measuring unit 110, reference measurement unit 120, potassium ion (K+) measuring unit 130, PH(H+) measuring unit 140 with
Temperature measurement unit 150 distinguishes circuit connection, and signal modulation unit is used to the faint concentration voltage signal measured carrying out signal
Hair is big, and filtering excludes signal interference, improves signal-to-noise ratio, modulation obtains the voltage signal of stable amplification, then carries out digital conversion
Obtain digital signal.
Data storage processing unit is connect with signal modulation element circuit, and data storage processing unit is used for ammonium ion
(NH4+), in PH, temperature and the mutual interference compensation proportionate relationship of potassium ion (K+) are recorded in, binding signal modulation unit
Ammonium ion (NH4+), PH, temperature and potassium ion (K+) respective digital signal operation compensation conversion obtain ammonium ion (NH4+)
Concentration value, potassium ion (K+) concentration value, pH value, temperature value, total nitrogen (N) concentration value, free state ammonia (NH3) concentration value.
Power module is respectively with signal modulation unit and data storage processing unit circuit connection, and power module is for defeated
Enter 12V ~ 24V DC voltage and carry out isolation and linear voltage stabilization, secondary voltage, which is converted to, is isolated stable 5V DC voltage, for letter
Number modulation unit, data storage processing unit power supply.
Bus serial port module and data storage processing unit circuit connection, bus serial port module are used for data storage processing
Ammonium ion (NH4+) concentration value that cell translation obtains, potassium ion (K+) concentration value, pH value, temperature value, total nitrogen (N) concentration value,
Free state ammonia (NH3) concentration value is exported with Rs485 (Modbus RTU) digital signal of standard.
Wireless transmitter module and data storage processing unit circuit connection, wireless transmitter module are used for data storage processing
It is flat to be emitted to remote date transmission with Rs485 (Modbus RTU) digital signal of standard for the collected digital signal of unit
Platform.
As shown in Figure 1, thread bush 411 is equipped at the top of sensor package casing 400, it is intermediate in thread bush 411 to use epoxy
Casting glue is tightly connected signal shielding cable 412, and power module passes through 412 circuit connection external connection electricity of signal shielding cable
Source, bus serial port module pass through 412 output signal of connection signal shielded cable.
Sensor encapsulation lower casing 420 is uniformly distributed on peripheries with through slot 421, and sensor encapsulation 420 bottom centre of lower casing offers
Through hole 422, and sensor encapsulation 420 bottom of lower casing is in central concave shape, the bubble face shape that is recessed can be cone, involute
Shape, parabola shaped, hemispherical, facilitate liquid to flow out.
A kind of detection method of ammonia nitrogen water quality monitoring sensor, including；
A, sensor is installed in the liquid of needs detection, and the sensor encapsulation lower casing 420 of sensor is submerged into detection liquid
In, sensor threads are fixed on to the bracket for being used for stationary induction apparatus using thread bush 411.
B, power on, the external connection power supply opening that signal shielding cable 412 is connected.
C, measuring device 100 works, and will measure signal and is transferred to signal modulation unit and carries out being converted to digital signal, wherein
Ammonium ion induction electrode and ammonia in testing liquid are obtained by ammonium ion (NH4+) measuring unit 110 and reference measurement unit 120
Ammonium concentration can be calculated based on Nernst equation in potential difference between nitrogen reference electrode, surveyed by potassium ion (K+)
Measure the electricity in unit 130 and the acquisition testing liquid of reference measurement unit 120 between potassium ion induction electrode and ammonia nitrogen reference electrode
Potential difference can be calculated potassium concentration based on Nernst equation, pass through PH(H+) the acquisition testing liquid of measuring unit 140
PH value is obtained the Current Temperatures of testing liquid by temperature measurement unit 150, is then put signal by signal modulation unit
Greatly, filtering excludes signal interference, improves signal-to-noise ratio, obtains the voltage signal of stable amplification, voltage signal number is converted to
Digital signal.
D, it will convert after the digital data transmission to data storage processing unit after turning, wherein data storage processing list
12 in member processing chips can close ammonium ion (NH4+), PH, temperature and the mutual interference compensation ratio of potassium ion (K+)
In system is recorded in, and the ammonium ion (NH4+) of binding signal modulation unit, PH, temperature and potassium ion (K+) respective number
It is dense that signal operation compensation conversion obtains ammonium ion (NH4+) concentration value, potassium ion (K+) concentration value, pH value, temperature value, total nitrogen (N)
Angle value, free state ammonia (NH3) concentration value.
E, the digital signal after conversion is emitted to remote date transmission platform by wireless transmitter module, while will conversion
Data afterwards are exported by bus serial port module by signal shielding cable 412.
F, cleaning device 200 is controlled by air pump, and air pump is controlled by the control unit of common automatic start-stop to measuring device
100 are cleaned, and air pump passes through pneumatic circuit 210 from gas outlet according to the control blow gas of the control unit of automatic start-stop
211 blowouts, the foreign matter being attached in measuring device 100 is blown off with rubbish.
The present invention uses ammonium ion electrode method, and using under certain condition, ammonia and ammonium ion in water exist specific dynamic
State equilibrium relation is as follows:
NH3+H2O←→NH4++OH-
The factor interfered by monovalent cation, the main measurement for increasing interfering ion potassium ion are easy further according to ammonium ion electrode
, the influence of ammonium ion electrode interference ion is excluded, by ammonium concentration, pH value, relationship the combination dynamic equilibrium pass between temperature
System extrapolates ammonium ion (NH4+) concentration value, potassium ion (K+) concentration value, pH value, temperature value, total nitrogen (N) concentration value, free state
The method of ammonia (NH3) concentration value.
In conclusion it is restricted embodiment of the invention, all those skilled in the art that above embodiment, which is not,
The modification carried out on the basis of substantive content of the invention or equivalent deformation, in technology scope of the invention.
Claims (10)
1. a kind of ammonia nitrogen water quality monitors sensor, which is characterized in that including measuring device, cleaning device, circuit package, sensor
Package casing；The measuring device is circumferentially evenly arranged on inside sensor package casing, in the cleaning device setting measuring device
The heart, and the cleaning device is fixed on inside sensor package casing, the circuit package circuit connection measuring device, and
The circuit package is fixed on the upside of the measuring device in sensor outer housing and cleaning device.
2. a kind of ammonia nitrogen water quality according to claim 1 monitors sensor, which is characterized in that the sensor package casing
Lower casing is encapsulated including sensor encapsulation upper casing and sensor, the sensor encapsulation lower casing is fixed under sensor encapsulation upper casing
Side, the sensor encapsulation lower casing is for detecting water quality, and sensor encapsulation upper casing is for fixation measuring device, cleaning dress
It sets, circuit package.
3. a kind of ammonia nitrogen water quality according to claim 2 monitors sensor, which is characterized in that the measuring device includes ammonium
Ion (NH4+) measuring unit, reference measurement unit, potassium ion (K+) measuring unit, PH(H+) measuring unit and temperature measurement it is single
Member；Wherein ion (NH4+) measuring unit, reference measurement unit, potassium ion (K+) measuring unit and PH(H+) measuring unit
It is circumferentially distributed in sensor encapsulation upper casing bottom, and is connected by connector A, and the connector junction uses sealing ring
It is sealed.
4. a kind of ammonia nitrogen water quality according to claim 3 monitors sensor, which is characterized in that the temperature measurement unit is solid
Upper casing bottom is encapsulated due to sensor, and the temperature measurement unit is fixed on sensor encapsulation upper casing marginal position, the temperature
It spends measuring unit and sensor encapsulation upper casing bottom bearing is fixed using epoxy pouring sealant sealing.
5. a kind of ammonia nitrogen water quality according to claim 2 monitors sensor, which is characterized in that the cleaning device is by one
Pneumatic circuit is constituted, and the cleaning device is through sensor encapsulation upper casing and circuit package, cleaning device bottom cylindrical surface
It is equipped with gas outlet, the gas outlet is to encapsulate upper casing side to sensor to be obliquely installed, and the cleaning device other end is in sensor
The connector B for connecting air pump is connected on encapsulation upper casing top, the air pump is equipped with the control list of common automatic start-stop
Member.
6. a kind of ammonia nitrogen water quality according to claim 1 monitors sensor, which is characterized in that the circuit package includes letter
Number modulation unit, data storage processing unit, wireless transmitter module, power module and bus serial port module, the signal modulation
Unit, data storage processing unit, wireless transmitter module, power module and bus serial port module are wrapped with shell, described outer
Shell is equipped with to be sealed for the sealing ring of sealing.
7. a kind of ammonia nitrogen water quality according to claim 6 monitors sensor, which is characterized in that the signal modulation unit point
Not with each unit circuit connection in measuring device, the data storage processing unit connect with signal modulation element circuit, institute
State power module respectively with signal modulation unit and data storage processing unit circuit connection, the bus serial port module and data
Storage processing unit circuit connection, the wireless transmitter module and data storage processing unit circuit connection.
8. a kind of ammonia nitrogen water quality according to claim 6 monitors sensor, which is characterized in that the sensor package casing
Top is equipped with thread bush, intermediate seal connection signal shielded cable in the thread bush, and the power module passes through signal shielding
Cable circuit connection external connection power supply, the bus serial port module pass through connection signal shielded cable output signal.
9. a kind of ammonia nitrogen water quality according to claim 1 monitors sensor, which is characterized in that the sensor encapsulates lower casing
It is uniformly distributed on peripheries with through slot, sensor encapsulation lower casing bottom centre offers through hole, and the sensor encapsulates lower casing
Bottom is in central concave shape.
10. a kind of detection method of ammonia nitrogen water quality monitoring sensor, which is characterized in that including；
A, sensor is installed in the liquid of needs detection；
B, power on；
C, measuring device works, and will measure signal and is transferred to signal modulation unit and carries out being converted to digital signal, wherein in measurement
Potential difference, potassium ion induction electrode between ammonium ion induction electrode and ammonia nitrogen reference electrode and the electricity between ammonia nitrogen reference electrode
The Current Temperatures of potential difference, the pH value of testing liquid and testing liquid；
D, it will convert after the digital data transmission to data storage processing unit after turning；
E, the data after conversion are emitted to remote date transmission platform by wireless transmitter module, while by the data after conversion
By bus serial port module, exported by signal shielding cable；
F, cleaning device is controlled by air pump, and air pump carries out measuring device by the control unit control of common automatic start-stop clear
It washes.
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| CN201910437706.7A CN110231376A (en) | 2019-05-24 | 2019-05-24 | A kind of ammonia nitrogen water quality monitoring sensor and its detection method |
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| KR20010054525A (en) * | 1999-12-07 | 2001-07-02 | 김태진 | Three multi ion selective electrode, system for measuring ammonium concentration using it and measurement method thereof |
| CN101782567A (en) * | 2010-02-11 | 2010-07-21 | 中国农业大学 | Intelligent ammonia nitrogen transmitting system and ammonia nitrogen in situ high-frequency detection method |
| KR20110084052A (en) * | 2010-01-15 | 2011-07-21 | 김화중 | Senser unit of sewage pipe monitoring system |
| CN102445476A (en) * | 2010-09-28 | 2012-05-09 | 恩德莱斯和豪瑟尔测量及调节技术分析仪表两合公司 | Method for operating a measuring device having at least one probe, which has at least one ion selective electrode |
| JP2017192934A (en) * | 2016-04-19 | 2017-10-26 | 水ｉｎｇ株式会社 | Waste water treatment method |
| CN109507265A (en) * | 2019-01-08 | 2019-03-22 | 武汉新烽光电股份有限公司 | Throw-in type ammonia nitrogen water quality sensor |
-
2019
- 2019-05-24 CN CN201910437706.7A patent/CN110231376A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010054525A (en) * | 1999-12-07 | 2001-07-02 | 김태진 | Three multi ion selective electrode, system for measuring ammonium concentration using it and measurement method thereof |
| KR20110084052A (en) * | 2010-01-15 | 2011-07-21 | 김화중 | Senser unit of sewage pipe monitoring system |
| CN101782567A (en) * | 2010-02-11 | 2010-07-21 | 中国农业大学 | Intelligent ammonia nitrogen transmitting system and ammonia nitrogen in situ high-frequency detection method |
| CN102445476A (en) * | 2010-09-28 | 2012-05-09 | 恩德莱斯和豪瑟尔测量及调节技术分析仪表两合公司 | Method for operating a measuring device having at least one probe, which has at least one ion selective electrode |
| JP2017192934A (en) * | 2016-04-19 | 2017-10-26 | 水ｉｎｇ株式会社 | Waste water treatment method |
| CN109507265A (en) * | 2019-01-08 | 2019-03-22 | 武汉新烽光电股份有限公司 | Throw-in type ammonia nitrogen water quality sensor |
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