CN109696536A - A kind of water quality monitoring sampling probe - Google Patents

A kind of water quality monitoring sampling probe Download PDF

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CN109696536A
CN109696536A CN201811573207.2A CN201811573207A CN109696536A CN 109696536 A CN109696536 A CN 109696536A CN 201811573207 A CN201811573207 A CN 201811573207A CN 109696536 A CN109696536 A CN 109696536A
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water
water quality
probe
value
unit
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CN109696536B (en
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帅率
刘奇
隗杰
沈顺明
张彬
张俊锋
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Wuhan Flying Intelligent Technology Co Ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/18Water
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01KMEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K13/00Thermometers specially adapted for specific purposes
    • G01K13/02Thermometers specially adapted for specific purposes for measuring temperature of moving fluids or granular materials capable of flow
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01KMEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K13/00Thermometers specially adapted for specific purposes
    • G01K13/02Thermometers specially adapted for specific purposes for measuring temperature of moving fluids or granular materials capable of flow
    • G01K13/026Thermometers specially adapted for specific purposes for measuring temperature of moving fluids or granular materials capable of flow of moving liquids
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/02Devices for withdrawing samples
    • G01N1/10Devices for withdrawing samples in the liquid or fluent state
    • G01N1/14Suction devices, e.g. pumps; Ejector devices
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • GPHYSICS
    • G08SIGNALLING
    • G08CTRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C17/00Arrangements for transmitting signals characterised by the use of a wireless electrical link
    • G08C17/02Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link

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  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
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Abstract

The invention belongs to environmental monitoring technology fields, disclose a kind of water quality monitoring sampling probe, including main control unit, and Ji Yuqi has the water quality parameter probe of signal connection, water sample extracting unit, wireless communication unit, water to lead value detection unit;Water quality parameter probe extracts water body for detecting variable water quality parameter, water sample extracting unit;Main control unit acts according to default formula or external command control water quality parameter probe, water sample extracting unit, Water Exit detection unit, and receives feedback data and be sent to external control mechanisms;Water Exit detection unit according to water lead the current water that value detection unit measures lead value carry out into water detect;Wireless communication unit realizes the communication with external agency;The probe provided by the invention can carry out detecting into water automatically, automatically control the beginning and end of water sampling, can disposably measure the multiple easy variable elements and non-volatility parameter of same place water body;And effective amendment of the measurement by realizing multiple coupled property parameter;Have the characteristics that low energy consumption, high-efficient, high reliablity.

Description

A kind of water quality monitoring sampling probe
Technical field
The invention belongs to environmental monitoring technology fields, more particularly, to a kind of water quality monitoring sampling probe.
Background technique
Environmental monitoring is often related to carrying out water analysis to water body;Water quality parameter includes easy variable element and non-volatility parameter; Easy variable element for example sample temperature, dissolved oxygen concentration, conductivity etc., for this kind of parameter after water quality sample is detached from water body, value will It quickly changes, when so that measuring outside water body, the parameter value measured will deviate significantly from true value.Non-volatility parameter example Such as chlorophyll, total nitrogen content, ion concentration, after sample is detached from water body, value does not change this kind of parameter, or varies less, It can be used and leave the sample of water body and effectively measured.The existing water quality probe related art scheme for water quality data monitoring It can not achieve the easy variable element of same place water body and the disposable measurement of non-volatility parameter.
Enter water and water outlet context of detection in water quality probe, existing water quality probe, which all can not achieve, to be entered water automatically, goes out Water detection, can not realize the beginning of water sampling, the automatic control of end.The for example machinery of existing no electrical and electronic parts Modular construction water quality probe needs artificial judgment to pop one's head in into the beginning and end of water, water outlet, manual operation control water sampling, It can not achieve complete automation water sampling.It is existing to have electrical and electronic parts and external confession is carried out by wire and cable The probe of electricity can not realize and enter water, water outlet detection automatically, need artificial judgment probe enters water and water outlet.In water sampling Beginning and end control aspect, although can based on be powered, power-off control, the beginning of semi-automatic control water sampling and Terminate, but due to the presence of connector in wire and cable and its water, infiltration, leak, corrosion risk are high, will shorten water quality pop one's head in and The service life of pipeline.
And there are coupled relations between the water quality parameter of part, for example water electric conductivity generally utilizes " resistance value-conductivity " It measures, but due to the implicit relationship that there is " temperature-resistance value ", corresponding merely with " resistance value-conductivity " is closed System, cannot obtain conductivity true value.The existing probe for being used to carry out real-time water quality monitoring, or do not consider between multi-parameter Coupled relation, or the approximate correcting method of hardware circuit is based only upon to be adjusted, can not have to multiple coupled property parameter measurement Effect amendment, cannot obtain and accurately measure true value.
Summary of the invention
Aiming at the above defects or improvement requirements of the prior art, the present invention provides a kind of water quality monitoring sampling probe, Purpose is to realize full-automatic water quality sampling monitoring.
To achieve the above object, according to one aspect of the present invention, a kind of water quality monitoring sampling probe, including water are provided Matter parameter probe, water sample extracting unit, main control unit, wireless communication unit, water lead value detection unit, waterpipe couplings;Master control There is signal connection between unit and water quality parameter probe, water sample extracting unit, wireless communication unit and Water Exit detection unit;
Water quality parameter probe is for detecting variable water quality parameter, and water sample extracting unit is for extracting water body to be measured;Master control list External command or preset formula control water quality parameter probe, water sample of the member for being received according to wireless communication unit extract Unit, the unlatching of Water Exit detection unit, closing and data transmission receive water quality parameter probe, water sample extracting unit, enter and leave Water detection unit feedback data and unit is sent to external control mechanisms by wireless communication;
Water leads value detection unit and leads value for detecting current water;Water Exit detection unit is carried out for leading value according to water into water Detection is detected with water outlet;Wireless communication unit realizes the communication with external control mechanisms;
The water quality sample of extraction is transported to outside water body by waterpipe couplings for connecting outer water tube.
Preferably, above-mentioned water quality monitoring sampling probe, water quality parameter measuring probe include combined probe, turbid amount probe And/or dissolved oxygen probe;
Wherein, combined probe in water body for detecting conductivity, pH value and/or the temperature value of water body;Turbidity probe tip is used In the turbidity parameter original value for detecting water body in water body;Dissolved oxygen probe in water body for detecting the dissolved oxygen parameter of water body Original value.
Preferably, above-mentioned water quality monitoring sampling probe, main control unit are also used to former to the parameter of water quality parameter probe detection Initial value carries out multiple coupled property parameter amendment.
Preferably, above-mentioned water quality monitoring sampling probe, main control unit according to water quality parameter probe acquisition conductivity, pH Value, turbidity, dissolved oxygen measured value in one or more carry out into water, water outlet auxiliary detect.
Preferably, above-mentioned water quality monitoring sampling probe, it includes at least two hard contacts that water, which leads value detection unit, according to Water leads the variation of value between two hard contacts, is in outside water body in water body to detect water quality probe.
Preferably, above-mentioned water quality monitoring sampling probe, further includes shell, for accommodating, protecting and carrying this water quality probe Each workpiece.
Preferably, above-mentioned water quality monitoring sampling probe, further includes filter mantle, for the solid impurity in water body to be measured into Row intercepts, in order to avoid this water quality probe, interference measurement are blocked, and the sensing element for protecting probe.
Preferably, above-mentioned water quality monitoring sampling probe, further includes energy-storage units, and energy-storage units are water quality parameter probe, water Sample extracting unit, main control unit, wireless communication unit and water lead the power supply of value detection unit, so that water quality monitoring sampling probe is in nothing It remains to work normally in the case where external power supply.
Purpose to realize the present invention, other side according to the invention provide a kind of water quality monitoring sampling probe and enter water Detection method, specific as follows:
To the real-time sensing value v of any one water quality parameter;It is obtained according to real-time sensing value into water using single parametric model Detection determines result;
Wherein, single parametric model is as follows:
The case where " non-negative correlation " is met for v and s, the relationship of v, Th, Tl, s are as follows:
The case where " non-positive correlation " is met for v and s, the relationship of v, Th, Tl, s are as follows:
Wherein, v is real-time sensing value, ThFor high decision threshold, TlFor low decision threshold, s is to determine as a result, s is 0 expression " not in water ", s are 1 expression " in water ";Different sensing parameters has different high decision threshold ThWith low decision threshold Tl
Purpose to realize the present invention, other side according to the invention provide a kind of water quality monitoring sampling probe and enter water Detection method is popped one's head in whether enter the judgement of water respectively according to the real-time sensing value of each water quality parameter first, is obtained corresponding each Water quality parameter, mutually independent multiple binaryzations determine result;Then each independent judgement result is merged, according to melting It closes result to be determined again, obtains finally indicating that whether in water the binaryzation of water quality monitoring sampling probe " " determines result.
By the dual judgement of the multiple water quality parameter real-time sensing values of this combination, sentence final binaryzation Determine the accuracy that result is not entirely dependent on a certain sensor, a certain sensor for example combined probe, turbid amount probe and/or Chance failure or the small range drift of dissolved oxygen probe do not influence final detection result;On the other hand, dual decision process, can The the first weight unreasonable influence to final detection result of determination method for eliminating a certain sensor improves the final water that enters and detects As a result accuracy;And decision process is suitble to realize on embeded processor.
Purpose to realize the present invention, other side according to the invention provide a kind of water quality monitoring sampling probe and enter water Detection method, specific as follows:
S is obtained using many reference amounts model to multiple water quality parameter real-time sensing valuestotalValue, and use and entered with drag Water judgement:
Wherein, many reference amounts model
Wherein, s1、s2、s3、…、si、…、snIt is obtained using single parametric model according to each water quality parameter real-time sensing value Whether judgement in water is as a result, s for probetotalFor total decision content;TthIt is worth high decision threshold, T for fusiontlSentence for fusion value is low Determine thresholding.
Purpose to realize the present invention, other side according to the invention provide a kind of intelligence of water quality extracting unit Start-up and shut-down control method, specific as follows:
(a) in the case where wirelessly communicating normal condition, main control unit is sent out according to the received external control mechanisms of wireless communication unit The control command sent switchs to control water sample extracting unit;
(b) in the case where wireless communication state is abnormal or wireless communication disconnects or wireless communication is not present, by master control Unit determines whether water quality detection probe enters water according to the probe value that water leads value detection unit, and controls water sample according to default formula Extracting unit delay is opened, and is realized without the water sample automatic collection under communications status.
Purpose to realize the present invention, other side according to the invention provide a kind of water quality monitoring sampling probe Data transmission method, specifically:
(a) in the case where wirelessly communicating normal condition, unit sends parameter detection value to outside to main control unit by wireless communication Portion's control mechanism;
(b) in the case where wireless communication state is abnormal or wireless communication disconnects or wireless communication is not present, master control list Member saves parameter detection value, and the parameter detection value of preservation is automatically sent to external control mechanisms after wirelessly communicating and restoring.
In general, through the invention it is contemplated above technical scheme is compared with the prior art, can obtain down and show Beneficial effect:
(1) water quality monitoring sampling probe provided by the invention, it is only necessary to which water quality is popped one's head in merging water body can be according to external machine Structure instruction or internal preset formula realize many reference amounts, high-precision, low energy consumption, highly reliable monitoring and sampling operation automatically, realize The water quality monitoring of automation samples;While water quality parameter probe carries out water quality mutability parameter detection in water body, water sample is taken out The water sample for taking unit to extract also carries out non-volatility parameter detecting for laboratory, can disposably measure the multiple easy of same place water body Variable element and non-volatility parameter reduce monitoring cost to improve water quality monitoring efficiency.
(2) water quality monitoring sampling probe provided by the invention realizes and enters water, water outlet detection automatically, and accuracy in detection is high, And oneself of water sampling can be thus controlled according to external agency's instruction or the start and stop of internal preset formula control water sample extracting unit It is dynamic to start, terminate, energy consumption can be reduced, improve reliability and service life.
(3) water quality monitoring sampling probe provided by the invention in preferred embodiment, realizes the measurement of multiple coupled property parameter Effective amendment, to realize effective measurement of water quality parameter.
(4) water quality monitoring sampling probe provided by the invention also has the characteristics that light weight is integrated, be suitable for one-point measurement, A variety of occasions such as Multipoint movable measurement, middle-size and small-size unmanned boat carry, small and medium size unmanned aerial vehicles carry.
(5) water quality monitoring sampling probe provided by the invention, data transmission method provided by preferred embodiment, so that nothing Line data link transmission has strong adaptability, suitable for having wireless communications environment and the not application scenarios of wireless communications environment.
Detailed description of the invention
Fig. 1 is one of water quality monitoring sampling probe schematic diagram provided in an embodiment of the present invention;
Fig. 2 is the two of water quality monitoring sampling probe schematic diagram provided in an embodiment of the present invention;
Fig. 3 is the typical workflow schematic diagram for the water quality monitoring sampling probe that embodiment provides.
In all the appended drawings, identical appended drawing reference is used to denote the same element or structure, in which: 1- combined probe, The turbid amount probe of 2-, 3- dissolved oxygen probe, 4- water sample extracting unit, 5- shell, 6- filter mantle, 8- wireless communication unit, 9- water pipe Connector, 11- water lead value detection unit.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and It is not used in the restriction present invention.As long as in addition, technical characteristic involved in the various embodiments of the present invention described below Not constituting a conflict with each other can be combined with each other.
Referring to Fig.1~2, the water quality monitoring sampling probe that embodiment provides, including water quality parameter probe, water sample extracting unit 4, main control unit, wireless communication unit 8, water lead value detection unit 11, waterpipe couplings 9;Main control unit and water quality parameter probe, There is signal connection between water sample extracting unit, wireless communication unit and Water Exit detection unit;
Water quality parameter probe is for detecting variable water quality parameter, and water sample extracting unit is for extracting water body to be measured;Master control list External command or preset formula control water quality parameter probe, water sample of the member for being received according to wireless communication unit extract Unit, the unlatching of Water Exit detection unit, closing and data transmission receive water quality parameter probe, water sample extracting unit, enter and leave Water detection unit feedback data and unit is sent to external control mechanisms by wireless communication;
Wireless communication unit realize with the communication of external control mechanisms, realize and external control information, monitoring information Transmitted in both directions;In the case where strong jamming, deep water cause wireless communication to fail deeply, the water sampling that can not receive external transmission refers to When enabling, determine whether water quality detection probe enters water according to the probe value that water leads value detection unit by main control unit, and according to default Formula controls water sample extracting unit, water quality parameter probe delay is opened, and realizes without the water sample automatic collection under communications status, and The detection of water quality parameter;And parameter detection value is saved by main control unit, the parameter detection value of preservation is sent out automatically after recovery to be communicated It send to external control mechanisms.
Water leads value detection unit and leads value for detecting current water;Water Exit detection unit is carried out for leading value according to water into water Detection is detected with water outlet;Waterpipe couplings are the components with complex function, are this water quality detection sampling probe and outside Physical connections, for exported to outside water body acquisition water quality sample carry out non-volatility parameter detecting, be also used to connect outside Water pipe is launched and is withdrawn to suspend this water quality detection sampling probe in midair.
For the water quality monitoring sampling probe that another embodiment provides it is also preferable to include energy-storage units, energy-storage units are water quality ginseng Number probe, water sample extracting unit, main control unit, wireless communication unit and water lead the power supply of value detection unit, so that water quality monitoring is adopted Sample probe remains to work normally in the case where no external power supply.It in another preferred embodiment, further include for accommodating, protecting With the shell 5 for each component for carrying this water quality probe.It in another preferred embodiment, further include filter mantle 6, for water to be measured Solid impurity in body is intercepted, in order to avoid this water quality probe, interference measurement are blocked, and the sensing element for protecting probe.
In embodiment, it includes at least two hard contacts that water, which leads value detection unit 11, is closed based on " alternating voltage-electric current " System, measures impedance hard contact (i.e. water leads value);Value is led according to the water to judge water quality probe in water body also It is outside water body.
In embodiment, water quality parameter probe includes combined probe 1, turbid amount probe 2, dissolved oxygen probe 3;Wherein, compound spy Head is used as a complex function component, for detecting conductivity, pH value and/or the temperature value of water body in water body;It is collected Conductivity, pH value original value be also used for auxiliary carry out into water and water outlet detection.
Turbidity probe tip is as a complex function component, and the original value for the turbidity parameter to water body detects, institute The original value of the turbidity of acquisition is also used for auxiliary and carries out into water and water outlet detection;
Dissolved oxygen probe is also a complex function component, and the original value for the dissolved oxygen parameter to water body is visited It surveys, and for assisting carrying out into water and water outlet detection.In the present invention, water quality parameter probe is not limited to kind cited by embodiment Class, it may include any one or more are used for the sensor probe of water quality parameter detection, belong to the range of technical solution of the present invention.
In the case where water leads the failure of value detection unit, embodiment additionally provides the water quality monitoring sampling of another single parameter It pops one's head in into water detection method, specific as follows:
(1) conductivity is acquired, pH value, turbidity, dissolved oxygen concentration or water lead any one in value as real-time sensing value v;
(2) it obtains detecting into water according to real-time sensing value using single parametric model and determines result;
Wherein, single parametric model is as follows:
The case where " non-negative correlation " is met for v and s, the relationship of v, Th, Tl, s are as follows:
Wherein, v is real-time sensing value, ThFor high decision threshold, TlFor low decision threshold, s is to determine as a result, s is 0 expression " not in water ", s are 1 expression " in water ";Different sensing parameters has different high decision threshold ThWith low decision threshold Tl
The case where " non-positive correlation " is met for v and s, the relationship of v, Th, Tl, s are as follows:
Wherein, v is real-time sensing value, ThFor high decision threshold, TlFor low decision threshold, s is to determine as a result, s is 0 expression " not in water ", s are 1 expression " in water ";Different sensing parameters has different high decision threshold ThWith low decision threshold Tl
" non-positive correlation ", " non-negative correlation " refer between the characteristic of sensor itself and judgement fruit predetermined Relationship.Below to " non-negative correlation " for example: for example lead value using water to have pre-defined use when detect into water " 0 " expression " not in water ", with " 1 " expression " in water ";And it is used to detect the characteristic that water leads the sensor of value, it is " not in water In " (being indicated with 0) when measured value it is minimum, " in water " electrical conductance of Shi Yinshui is stronger, and measured value is higher;" it is for describing then It is no in water " binaryzation parameter and the measured value of water derivative sensor be presented that " measured value increases, and binaryzation parameter do not reduce;It surveys Magnitude reduces, and binaryzation parameter do not increase " non-negative relevant state.
In a preferred embodiment, high decision threshold Th, low decision threshold TlIt is determined according to real-time sensing value;" In water " and " not in water " two states under obtain the average value of a certain real-time sensing value with value parameter respectively, wherein larger Person is denoted as Vmax, and smaller value is denoted as Vmin;
Then Th=(2*Vmax+Vmin)/3;Tl=(Vmax+2*Vmin)/3.
The water quality monitoring sampling probe that embodiment additionally provides another many reference amounts enters water detection method, specific as follows:
S is obtained using many reference amounts model to multiple water quality parameter real-time sensing valuestotalValue, and use and entered with drag Water judgement:
Wherein, many reference amounts model
Wherein, s1、s2、s3、…、si、…、snIt is each water quality parameter real-time sensing value using the judgement knot of single parametric model Fruit, value are 0 or 1;αiFor weight shared by i-th water quality parameter, as i-th sensing probe for example visit by combined probe or turbid amount First-class corresponding weight;stotalFor total decision content;TthIt is worth high decision threshold, T for fusiontlIt is worth low decision threshold for fusion.
In the method, stotalValue be not binaryzation;High decision threshold Th, low decision threshold TlJoined according to water quality Real-time sensing value is counted to determine;" in water " the binaryzation judgement of each sensor and is not obtained under two states respectively " in water " As a result s calculates separately out corresponding stotalAverage value, wherein the larger value is denoted as Stmax, and smaller value is denoted as Stmin;Then Tth =(2*Stmax+Stmin)/3;Ttl=(Stmax+2*Stmin)/3.
A kind of above-mentioned water quality monitoring sampling probe enters water detection method, first according to the real-time sensing value of each water quality parameter Popped one's head in respectively using single parametric model and whether enter the judgement of water, obtain corresponding to each water quality parameter, it is mutually independent multiple Binaryzation determines result;Then each independent judgement result is merged using many reference amounts model, again according to fusion results Determined, obtains finally indicating that whether in water the binaryzation of water quality monitoring sampling probe " " determines result.
Referring to Fig. 3, the process for carrying out water quality detection sampling using the water quality monitoring sampling probe that embodiment provides is as follows:
(1) each sensing numerical value that water quality parameter is detected is obtained;
(2) judge whether water quality monitoring sampling probe enters water according to sensing numerical value, if it is not, then all portions are automatically closed Part, if so, entering step in (3).
(3) pass through water quality parameter probe detection water quality parameter;Detection wireless communication situation, if wireless communication signals are good, Then mode receives the instruction that external control mechanisms are sent by wireless communication, carries out water sampling according to instruction;And by detection Water quality parameter is sent to external control mechanisms;If wireless communication signals are bad, (4) are entered step;
(4) in the memory that the water quality parameter of detection is kept in main control unit local;Whether judge the bad duration of communication More than preset duration, if so, opening water sample extracting unit, water sampling is carried out;If it is not, then entering step (2).
In one embodiment, further include the steps that being modified to each sensing amount between step (1) and (2), specifically Include the following steps:
(a) survey is obtained respectively under the conditions of different measured for water quality parameter multiple sensors for being included of popping one's head in Magnitude and actual value, measured value are obtained by the water quality parameter probe sensing of this water quality monitoring sampling probe, and actual value is marked by outside Quasi- instrument and meter obtains;Acquired multiple groups " measured value-actual value " constitute the table needed for parameter calculates.
Wherein, " measured value " is single value or a pair of of coupling value.For " single value " situation, for example, temperature sensor Measured value and actual value be one-to-one relationship.For " two coupling values " situation, such as the measured value and temperature of conductivity Measured value be combined with each other, the actual value of a corresponding conductivity.
(b) using two measured value of parameters in table as two-dimentional scatterplot, all scatterplots are divided into triangle, principle It is: all triangles, it is non-intersecting two-by-two, that is, lap is not present;Ready-portioned triangle will constitute a triangle collection It closes.
(c) in actual measurement, for specific one group of measured value that water quality parameter probe obtains, check that it is located at triangle collection Which of conjunction triangle interior.
(d) actual value of the vertex of a triangle and each vertex correspondence found out is built into a spatial triangle, space The equation of triangle is expressed as TA;One group of corresponding coupling measurements of correction value meet the equation of spatial triangle, thus Parameter correction value is obtained with parameter measurement value according to the expression of the equation of spatial triangle.
In embodiment, the intelligent start/stop control method of the water quality extracting unit of water quality monitoring sampling probe is specific as follows:
If (a) wireless communication quality is good, such as in the case of water surface or shoaling layer or water quality are clear, water For example desktop computer, mobile computer, Intelligent unattended machine, Intelligent unattended ship, embedded computer are logical for external control mechanism It crosses and sends the start-up and shut-down control that control command realizes water quality extracting unit to main control unit;
If (b) wireless communication quality is bad, or wireless communication disconnects, or wireless communication is not present, by main control unit root It determines whether water quality detection probe enters water according to the probe value that water leads value detection unit, and water sample is controlled according to default formula and extracts list Member delay is opened, and is realized without the water sample automatic collection under communications status.
In embodiment, the data transmission method of the strong adaptability of the wireless data link of water quality monitoring sampling probe, specifically Are as follows:
1. if wireless communication quality is good, such as in the case of water surface or shoaling layer or water quality are clear, water body For example desktop computer, mobile computer, Intelligent unattended machine, Intelligent unattended ship, embedded computer pass through outer control mechanism Wireless communication unit is communicated with this water quality monitoring sampling probe, with transmission sensing information;
2. if wireless communication quality is bad, or wireless communication disconnects, or wireless communication is not present, then believes sensor monitoring Breath is stored in main control unit, and after wirelessly communicating recovery, for example this water quality probe rises to the atmosphere outside water body from profundal zone After in space, temporary sensor monitoring information is transmitted to monitor terminal automatically.
The water quality monitoring sampling probe that embodiment provides can carry out automatically controlling water sample into water and water outlet detection and adopting automatically The beginning and end of collection can disposably measure the multiple easy variable elements and non-volatility parameter of same place water body;And by realizing more couplings Effective amendment of the measurement of conjunction property parameter;Have the characteristics that low energy consumption, high-efficient, high reliablity.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, not to The limitation present invention, any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should all include Within protection scope of the present invention.

Claims (14)

1. a kind of water quality monitoring sampling probe, which is characterized in that including water quality parameter probe, water sample extracting unit, main control unit, Wireless communication unit, water lead value detection unit;Main control unit and water quality parameter probe, water sample extracting unit, wireless communication unit There is signal connection between Water Exit detection unit;
The water quality parameter probe is for detecting variable water quality parameter, and water sample extracting unit is for extracting water body to be measured;Master control list Member according to preset formula or the external command control water quality parameter probe, the water sample that are received by wireless communication unit for taking out Unit, the unlatching of Water Exit detection unit, closing are taken, and receives water quality parameter probe, water sample extracting unit, Water Exit detection list Unit is sent to external control mechanisms to the data of member feedback by wireless communication;
The water leads value detection unit and leads value for detecting current water;The Water Exit detection unit is used to lead value according to current water Detected into water and is discharged detection;Wireless communication unit is for realizing the communication with external control mechanisms.
2. water quality monitoring sampling probe as described in claim 1, which is characterized in that further include waterpipe couplings;Water pipe connection The water quality sample that water sample extracting unit extracts is transported to outside water body by device for connecting outer water tube.
3. water quality monitoring sampling probe as claimed in claim 1 or 2, which is characterized in that the water quality parameter measuring probe packet Include combined probe, turbid amount probe and/or dissolved oxygen probe;
The combined probe is used to detect the conductivity, pH value and/or temperature value of water body;Turbidity probe tip is for detecting the turbid of water body Spend parameter original value;Dissolved oxygen probe is used to detect the dissolved oxygen parameter original value of water body.
4. water quality monitoring sampling probe as claimed in claim 1 or 2, which is characterized in that the main control unit is also used to water The parameter original value of matter parameter probe detection carries out multiple coupled property parameter amendment.
5. water quality monitoring sampling probe as claimed in claim 1 or 2, which is characterized in that the main control unit is joined according to water quality The measured value of number probe detect into the auxiliary of water, water outlet.
6. water quality monitoring sampling probe as claimed in claim 1 or 2, which is characterized in that the water leads value detection unit and includes At least two hard contacts lead the variation of value according to water between hard contact, are in water body to detect water quality probe Outside water body.
7. water quality monitoring sampling probe as claimed in claim 1 or 2, which is characterized in that further include shell, for accommodating, protecting Each component of shield and carrying water quality monitoring sampling probe.
8. water quality monitoring sampling probe as claimed in claim 1 or 2, which is characterized in that further include filter mantle, for to be measured Solid impurity in water body is intercepted, in order to avoid blocking probe, and for protecting water quality parameter to pop one's head in.
9. water quality monitoring sampling probe as claimed in claim 1 or 2, which is characterized in that it further include energy-storage units, the energy storage Unit is that water quality parameter probe, water sample extracting unit, main control unit, wireless communication unit and water lead the power supply of value detection unit.
10. water quality monitoring sampling probe as claimed in claim 1 or 2, which is characterized in that the intelligent start/stop of water quality extracting unit Control method is specific as follows:
(a) in the case where wirelessly communicating normal condition, main control unit is sent according to the received external control mechanisms of wireless communication unit Control command switchs to control water sample extracting unit;
(b) in the case where wireless communication state is abnormal or wireless communication disconnects or wireless communication is not present, by main control unit It determines whether water quality detection probe enters water according to the probe value that water leads value detection unit, and water sample is controlled according to default formula and is extracted Cell delay is opened, and is realized without the water sample automatic collection under communications status.
11. water quality monitoring sampling probe as claimed in claim 1 or 2, which is characterized in that data transmission method are as follows:
(a) in the case where wirelessly communicating normal condition, parameter detection value is sent external control by unit to main control unit by wireless communication Mechanism processed;
(b) in the case where wireless communication state is abnormal or wireless communication disconnects or wireless communication is not present, main control unit is protected Parameter detection value is deposited, the parameter detection value of preservation is automatically sent to external control mechanisms after wirelessly communicating and restoring.
12. a kind of water quality monitoring sampling probe enters water detection method, which is characterized in that first according to the real-time of each water quality parameter Whether sensed values are popped one's head in respectively enters the judgement of water, obtain corresponding to each water quality parameter, mutually independent multiple binaryzations sentence Determine result;Then each independent judgement result is merged, is determined again according to fusion results, obtain finally indicating water The binaryzation whether in water quality supervision surveys sampling probe " " determines result.
13. a kind of water quality monitoring sampling probe enters water detection method, which is characterized in that specific as follows:
It obtains detecting into water according to the real-time sensing value v of any one water quality parameter using single parametric model and determines result;It is described Single parametric model is as follows:
The case where " non-negative correlation " is met for v and s,
The case where " non-positive correlation " is met for v and s,
Wherein, v is water quality parameter real-time sensing value, ThFor high decision threshold, TlFor low decision threshold, s is to determine as a result, s is 0 It indicates " not in water ", s is 1 expression " in water ".
14. a kind of water quality monitoring sampling probe as claimed in claim 13 enters water detection method, which is characterized in that specifically such as Under:
S is obtained according to multiple water quality parameter real-time sensing values using many reference amounts modeltotalValue, uses with drag according to stotalValue Judge into water:
Wherein, many reference amounts model
Wherein, s1、s2、s3、…、si、…、snFor the probe obtained using single parametric model according to each water quality parameter real-time sensing value Whether judgement in water is as a result, stotalTo determine result fusion value;TthIt is worth high decision threshold, T for fusiontlIt is worth for fusion low Decision threshold.
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