CN109253949A - Soil vertical sectional parameter measuring device and CO2Flux computing system - Google Patents
Soil vertical sectional parameter measuring device and CO2Flux computing system Download PDFInfo
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- CN109253949A CN109253949A CN201811352340.5A CN201811352340A CN109253949A CN 109253949 A CN109253949 A CN 109253949A CN 201811352340 A CN201811352340 A CN 201811352340A CN 109253949 A CN109253949 A CN 109253949A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N13/00—Investigating surface or boundary effects, e.g. wetting power; Investigating diffusion effects; Analysing materials by determining surface, boundary, or diffusion effects
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- 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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N13/00—Investigating surface or boundary effects, e.g. wetting power; Investigating diffusion effects; Analysing materials by determining surface, boundary, or diffusion effects
- G01N2013/003—Diffusion; diffusivity between liquids
Abstract
The present invention provides a kind of soil vertical sectional parameter measuring device and CO2Flux computing system, is related to the technical field of soil parameters survey calculation, including parameter detection module and control module, and parameter detection module includes CO2Concentration detecting unit, moisture content detection unit and temperature detecting unit, control module are connected with parameter detection module, control CO2Concentration detecting unit, moisture content detection unit and temperature detecting unit successively obtain the CO in the same space soil2Concentration, temperature and moisture content.The present invention provides a kind of soil vertical sectional parameter measuring device and CO2Flux computing system improves the accuracy of measurement, reduces error, and passes through control CO2Concentration detecting unit, moisture content detection unit and temperature detecting unit successively obtain the CO in the same space soil2Concentration, temperature and moisture content, when avoiding different sensors measurement data caused by interfere with each other, further improve the accuracy of measurement.
Description
Technical field
The present invention relates to the technical fields of soil parameters survey calculation, survey more particularly, to a kind of soil vertical sectional parameter
Measure device and CO2Flux computing system.
Background technique
Carbon dioxide (CO in soil2) as an important component in Terrestrial Ecosystem Carbon Cycle, it is complete
One of the important circulating pathway of fullerenes circulation.Therefore, the dynamic change of the carbon dioxide release in soil will have a direct impact on the whole world
Carbon balance, still, CO in soil2Release iron has very big otherness in the different spaces of soil, only deep
CO during research soil vertical section is at all levels2The variation of release iron, could be to CO in soil2The circulation of gas has more clear
The understanding of Chu.
In the prior art, commonly in outdoor to CO in soil2The method that release iron is studied be by using
Different sensors measures CO in soil respectively2Then the relevant environmental parameters such as concentration, temperature and moisture obtain soil by analysis
CO in earth2Release iron.Different sensors is usually embedded in the different depth or different location of soil, then to soil
In CO2Concentration, temperature and moisture continuously monitor, although this method can be used different sensors and measure in soil
Various parameters, also can achieve the requirement that continuously measures for a long time, but since there are special heterogeneity, i.e., same soil for soil
Earth type, the soil property on different time, different spaces is different, and the difference that various kinds of sensors is buried position will lead to measurement number
According to when error is big, precision is low, and then lead to finally obtained CO2Amount of flux inaccuracy；Further, due to different sensors
In moisture content, temperature and the CO of measurement soil2It when concentration, easily causes and interferes with each other between sensor, also lead to final obtain
The CO arrived2Amount of flux precision is not high.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of soil vertical sectional parameter measuring device and CO2Fluxmeter
Calculation system existing in the prior art is surveyed with alleviating in the different depth that different sensors is embedded in soil or different location
Caused measuring result error is big, precision is low when measuring data, and then leads to finally obtained CO2The technology of amount of flux inaccuracy is asked
Topic.
In a first aspect, the device includes: ginseng the embodiment of the invention provides a kind of soil vertical sectional parameter measuring device
Number detection module and control module；
Parameter detection module includes CO2Concentration detecting unit, moisture content detection unit and temperature detecting unit, CO2It is dense
Degree detection unit, moisture content detection unit and temperature detecting unit are laid in the same space soil；
Control module is connected with parameter detection module, for the CO in control parameter detection module2Concentration detecting unit, water
Point content detection unit and temperature detecting unit successively obtain the CO in the same space soil2Concentration, temperature and moisture content.
With reference to first aspect, the embodiment of the invention provides the first possible embodiments of first aspect, wherein dress
Setting further includes power module, which includes the first lowering and stabilizing blood pressure unit and the second lowering and stabilizing blood pressure unit；
Power module is connected with parameter detection module and control module, for being parameter detection module and control module
Working power is provided；
First lowering and stabilizing blood pressure unit is connected with control module, and for providing working power for control module, the second decompression is steady
Pressure unit is connected with parameter detection module, for providing working power for parameter control module.
With reference to first aspect, the embodiment of the invention provides second of possible embodiments of first aspect, wherein should
Device further includes clock module, and clock module is connected with control module；
Clock module is used for control module tranmitting data register signal, and control module is acquired according to the clock signal received
The parameter that CO2 concentration detecting unit, moisture content detection unit and temperature detecting unit detect.
With reference to first aspect, the embodiment of the invention provides the third possible embodiments of first aspect, wherein
CO2Concentration detecting unit includes CO2Sensor, the CO2Sensor is used to detect the CO in soil2Concentration；
Temperature detecting unit includes temperature detection sensor, which is used to detect the temperature of soil.
With reference to first aspect, the embodiment of the invention provides the 4th kind of possible embodiments of first aspect, wherein water
Point content detection unit includes: moisture content detection circuit, which includes inductance, voltage controlled oscillator, whole
Shape circuit, frequency dividing circuit and micro controller unit；
The first end of inductance is connected with the first input end of voltage controlled oscillator, and the of the second end of inductance and voltage controlled oscillator
Two input terminals are connected, and the output end of voltage controlled oscillator is connected with one end of shaping circuit, the other end and frequency dividing electricity of shaping circuit
The one end on road is connected, and the other end of frequency dividing circuit is connected with the input terminal of micro controller unit, the output end of micro controller unit
It is connected with control module.
4th kind of possible embodiment with reference to first aspect, the 5th kind the embodiment of the invention provides first aspect can
The embodiment of energy, wherein moisture content detection unit further includes the first metal electrode and the second metal electrode；
First metal electrode, the second metal electrode are ring structure, and two metal electrodes are using the line in the center of circle as on axis
Lower parallel connection installation；
First metal electrode and the second metal electrode are connected with moisture content detection circuit.
5th kind of possible embodiment with reference to first aspect, the 6th kind the embodiment of the invention provides first aspect can
The embodiment of energy, wherein CO2Moisture content detection circuit and temperature in concentration detecting unit, moisture content detection unit
It is integrated on circuit boards to spend detection unit, constitutes electrical parameter detection circuit plate, electrical parameter detection circuit plate is mounted on the first metal electrode
And second metal electrode looping pit in.
The first possible embodiment with reference to first aspect, the 7th kind the embodiment of the invention provides first aspect can
The embodiment of energy, wherein control module further includes multiple relays, and multiple relays are separately positioned on power module and CO2
Between concentration detecting unit, moisture content detection unit and temperature detecting unit.
With reference to first aspect to the 7th kind of possible embodiment of first aspect, the embodiment of the invention provides first aspects
The 8th kind of possible embodiment, wherein device further includes data communication module, data communication module and control module phase
Even, data communication module includes storage unit and/or serial communication unit.
Second aspect, the embodiment of the present invention also provide a kind of CO2Flux computing system, the system is for calculating soil vertical
The CO of section2Amount of flux, the system include: soil vertical sectional parameter measuring device described in first aspect, further include data
Processing unit, data processing equipment are connected with soil vertical sectional parameter measuring device.
The embodiment of the present invention brings following the utility model has the advantages that the present invention provides a kind of measurements of soil vertical sectional parameter to fill
It sets and CO2Flux computing system, comprising: parameter detection module and control module, wherein parameter detection module includes CO2Concentration
Detection unit, moisture content detection unit and temperature detecting unit, CO2Concentration detecting unit, moisture content detection unit with
And temperature detecting unit is laid in the same space soil, control module is connected with parameter detection module, examines for control parameter
Survey the CO in module2Concentration detecting unit, moisture content detection unit and temperature detecting unit successively obtain the same space soil
CO in earth2Concentration, temperature and moisture content, by by CO2Concentration detecting unit, moisture content detection unit and temperature inspection
It surveys unit to be integrated in a module, alleviates different depth or the different location measurement that different sensors is embedded in soil
Caused measuring result error is big when data, precision is low, and then leads to finally obtained CO2The technology of amount of flux inaccuracy is asked
Topic, improves the precision degree of measurement, reduces error, and control CO by control module2Concentration detecting unit, moisture content inspection
It surveys unit and temperature detecting unit successively obtains the CO in the same space soil2Concentration, temperature and moisture content, avoid not
With interfering with each other caused by when sensor measurement data, the accuracy of measurement is further improved.
Other features and advantages of the present invention will illustrate in the following description, also, partly become from specification
It obtains it is clear that understand through the implementation of the invention.The objectives and other advantages of the invention are in specification, claims
And specifically noted structure is achieved and obtained in attached drawing.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate
Appended attached drawing, is described in detail below.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of structural block diagram of soil vertical sectional parameter measuring device provided in an embodiment of the present invention；
Fig. 2 is the structural block diagram of another soil vertical sectional parameter measuring device provided in an embodiment of the present invention；
Fig. 3 is a kind of structure chart of moisture content detection unit provided in an embodiment of the present invention；
Fig. 4 is a kind of structure chart of soil vertical sectional parameter measuring device provided in an embodiment of the present invention；
Fig. 5 is a kind of CO provided in an embodiment of the present invention2The structural block diagram of flux computing system.
Icon: 10- clock module；20- control module；30- parameter detection module；40- power module；50- data communication
Module；The first metal electrode of 60-；The second metal electrode of 70-；80- soil vertical sectional parameter measuring device；90- data processing
Device；301-CO2Concentration detecting unit；302- moisture content detection unit；303- temperature detecting unit；401- first is depressured surely
Press unit；402- the second lowering and stabilizing blood pressure unit；3021- inductance；3022- voltage controlled oscillator；3023- shaping circuit；3024- frequency dividing
Circuit；3025- micro controller unit；501- cylinder；502- ring support.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with attached drawing to the present invention
Technical solution be clearly and completely described, it is clear that described embodiments are some of the embodiments of the present invention, rather than
Whole embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, shall fall within the protection scope of the present invention.
Currently, in the prior art, commonly in outdoor to CO in soil2The method that release iron is studied is to pass through
CO in soil is measured respectively using different sensors2The relevant environmental parameters such as concentration, temperature and moisture, then by analyzing
The CO into soil2Release iron.Different sensors is usually embedded in the different depth or different location of soil, it is then right
CO in soil2Concentration, temperature and moisture continuously monitor, although this method can be used different sensors and measure soil
Various parameters in earth also can achieve the requirement continuously measured for a long time, but since there are special heterogeneities for soil, i.e., together
One soil types, the soil property on different time, different spaces is different, and the difference that various kinds of sensors is buried position will lead to survey
Error is big, precision is low when measuring data, and then leads to finally obtained CO2Amount of flux inaccuracy；Further, due to different biographies
Moisture content, temperature and CO of the sensor in measurement soil2It when concentration, easily causes and interferes with each other between sensor, also cause most
The CO obtained eventually2Amount of flux precision is not high.Based on this, a kind of soil vertical sectional parameter measurement dress provided in an embodiment of the present invention
It sets and CO2Flux computing system can be alleviated existing in the prior art in the difference that different sensors is embedded in soil
Caused measuring result error is big when depth or different location measurement data, precision is low, and then leads to finally obtained CO2It is logical
The low technical problem of the accuracy measured caused by being interfered with each other between magnitude inaccuracy and different sensors.
To join to a kind of soil vertical section disclosed in the embodiment of the present invention first convenient for understanding the present embodiment
Number measuring device describes in detail.
Embodiment one:
The embodiment of the invention provides a kind of soil vertical sectional parameter measuring device, the parameter of measurement includes: CO2It is dense
Degree, temperature and moisture content.
The device includes: parameter detection module 30 and control module 20, as shown in Figure 1, shown in figure 1 is a kind of soil
The structural block diagram of earth vertical section parameter measuring apparatus.
Specifically, parameter detection module 30 includes CO2Concentration detecting unit 301, moisture content detection unit 302 and temperature
Spend detection unit 303, wherein CO2Concentration detecting unit 301, moisture content detection unit 302 and temperature detecting unit 303
It is laid in the same space soil；
Control module 20 is connected with parameter detection module 30, for the CO in control parameter detection module 302Concentration Testing
Unit 301, moisture content detection unit 302 and temperature detecting unit 303 successively obtain the CO in the same space soil2
Concentration, temperature and moisture content.
In the embodiment of the present invention, control module 20 can receive externally input parameter acquisition instruction, sequentially generate and be used for
Control CO2The control letter that concentration detecting unit 301, moisture content detection unit 302 and temperature detecting unit 303 are detected
Number, and exported respectively to CO2Concentration detecting unit 301, moisture content detection unit 302 and temperature detecting unit 303, so that
CO2Concentration detecting unit 301, moisture content detection unit 302 and temperature detecting unit 303 control based on the received signal according to
It is secondary to be detected.
The embodiment of the present invention is by providing a kind of soil vertical sectional parameter measuring device comprising: parameter detecting mould
Block and control module, wherein parameter detection module includes CO2Concentration detecting unit, moisture content detection unit and temperature
Detection unit, CO2Concentration detecting unit, moisture content detection unit and temperature detecting unit are laid in the same space soil
In, control module is connected with parameter detection module, for the CO in control parameter detection module2Concentration detecting unit, moisture contain
Amount detection unit and temperature detecting unit successively obtain the CO in the same space soil2Concentration, temperature and moisture content, pass through
By CO2Concentration detecting unit, moisture content detection unit and temperature detecting unit are integrated in a module, and alleviating will not
With sensor be embedded in when the different depth or different location measurement data of soil that caused measuring result error is big, precision
It is low, and then lead to finally obtained CO2The technical problem of amount of flux inaccuracy improves the precision degree of measurement, reduces error,
And CO is controlled by control module2Concentration detecting unit, moisture content detection unit and temperature detecting unit successively obtain together
CO in one space soil2Concentration, temperature and moisture content, when avoiding different sensors measurement data caused by it is mutually dry
It disturbs, further improves the accuracy of measurement.
As an alternative embodiment, which can also include:
Power module 40, power module 40 are connected with parameter detection module 30 and control module 20, for examining for parameter
It surveys module 30 and control module 20 provides working power, as shown in Fig. 2, another soil vertical section ginseng is shown in the figure
The structural block diagram of number measuring device.Power module 40 includes the first lowering and stabilizing blood pressure unit 401 and the second lowering and stabilizing blood pressure unit
402, voltage is converted to 5 volts from 12 volts by the second lowering and stabilizing blood pressure unit 402, and the first lowering and stabilizing blood pressure unit 401 turns voltage from 5 volts
3.3 volts are changed to, the first lowering and stabilizing blood pressure unit 401 in power module 40 is connected with control module 20, and 3.3 volts of voltages are supplied to
Control module 20, the second lowering and stabilizing blood pressure unit 402 in power module 40 are connected with parameter detection module 30,5 volts of voltages are mentioned
Supply parameter detection module 30.
As another alternative embodiment, which can also include:
Clock module 10, the clock module 10 are connected with control module 20, are used for 20 tranmitting data register signal of control module；
Control module 20 is also used to acquire CO according to the clock signal received2Concentration detecting unit 301, moisture content
Detection unit 302 and temperature detecting unit 303 detect obtained parameter.
In embodiments of the present invention, clock module 10 provides a clock signal to control module 20, for triggering control
The parameter that each unit detects in 20 acquisition parameter detection module 30 of module.Clock signal can be interval regular time hair
It send primary.For example, can be set to send every hour it is primary, specific regular time can according to actual needs and
Fixed, control module 20 is after receiving clock signal, parameter value that acquisition parameter detection module 30 detects.
It is specific as an alternative embodiment:
Control module 20 includes core processor, which can be STM32 series monolithic, specific core
The model of processor can be selected according to the actual needs, and the embodiment of the present invention is not especially limited；
Temperature detecting unit 303 includes temperature detection sensor, which is connected with control module 20, temperature
It spends detection sensor and sends the temperature value received to control module 20, specifically, temperature sensor can choose DS18B20
The sensor of model；
CO2Detection unit 301 includes CO2Sensor, the CO2Sensor is used to detect the CO in soil2Concentration, as one
Alternative embodiment, CO2Sensor can choose the CO of T6615 model2Sensor, when control module 20 carries out parameter value acquisition,
The CO of T6615 model2The result of measurement is transmitted to control module 20 signal wire by sensor in the form of voltage analog,
The voltage value received is converted into CO by control module 202Concentration value.
In embodiments of the present invention, the CO of T6615 model2The internal structure of sensor includes infrared light supply, gas chamber, optical filtering
Piece, detector and rectification amplifying circuit, there is a gas access and a gas vent on gas chamber, and gas is flowed from gas access
Air inlet chamber flows out gas chamber from gas vent, and when gas flows into gas chamber, infrared light supply irradiation flows into the indoor gas of gas, different
Gas different wavelength graphs is formed on optical filter after infrared light supply irradiates, by undesirable wavelength removal after,
Detector detects CO2Wavelength concentration, and the value that will test sends rectification amplifying circuit to, and rectification amplifying circuit will receive
Value be converted into analog voltage after be output to control module 20.
In embodiments of the present invention, moisture content detection unit 302 includes moisture content detection circuit, moisture content detection
Circuit includes: inductance 3021, voltage controlled oscillator 3022, shaping circuit 3023, frequency dividing circuit 3024 and micro controller unit
3025, as shown in figure 3, shown in the drawings is a kind of structure chart of moisture content detection unit, wherein the first of inductance 3021
End is connected with the first input end of voltage controlled oscillator 3022, the second end of inductance 3021 and the second input of voltage controlled oscillator 3022
End be connected, the output end of voltage controlled oscillator 3022 is connected with one end of shaping circuit 3023, the other end of shaping circuit 3023 and
One end of frequency dividing circuit 3024 is connected, and the other end of frequency dividing circuit 3024 is connected with the input terminal of micro controller unit 3025, micro-
The output end of controller unit 3025 is connected with control module 20.
As an alternative embodiment, moisture content detection unit 302 further include:
First metal electrode 60 and the second metal electrode 70；First metal electrode 60, the second metal electrode 70 are annular
Structure, two metal electrodes are installed by parallel connection above and below axis of the line in the center of circle, the first metal electrode 60 and the second metal
Electrode 70 is connected with moisture content detection unit 302.
In embodiments of the present invention, first output end, the first output end are set in the first plane of the first metal electrode 60
It is connected with the first input end of one end of the inductance 3021 of moisture content detection unit 302 and voltage controlled oscillator 3022, the first gold medal
First plane of the second plane and the second metal electrode 70 that belong to electrode 60, which is spaced a distance, to be placed in parallel, the second metal electricity
Second output terminal is set in the second plane of pole 70, the other end and voltage controlled oscillator 3022 of second output terminal and inductance 3021
Second input terminal is connected.
In embodiments of the present invention, specifically, the first metal electrode 60, the second metal electrode 70 and inductance 3021 are constituted simultaneously
Join resonance circuit, the capacitor of the first metal electrode 60 and the second metal electrode 70 as antiresonant circuit, the first metal electricity
Pole 60, the second metal electrode 70 are under the action of voltage controlled oscillator 3022 and 3021 resonance of inductance generates high-frequency signal, and will be high
Frequency signal is sent to shaping circuit 3023, which is converted to low frequency letter by shaping circuit 3023 and frequency dividing circuit 3024
Number, which is sent to micro controller unit 3025 by frequency dividing circuit 3024, and micro controller unit 3025 is by low frequency signal
It is converted into voltage value, and the voltage value is transmitted to control module 20, control module 20 is according to the fitting of voltage value and water content
The voltage value received output is converted into the value of water content by the D/A converter module inside control module 20 by model.
In embodiments of the present invention, further, sample soil known to a certain number of water content, sample soil are chosen
In water content it is not identical, moisture content detection unit 302 detects sample soil, obtains different moisture content sample soil
Corresponding voltage value establishes model according to the corresponding voltage value of each water content, obtains the model of fit of water content and voltage value.
In embodiments of the present invention, moisture content detection unit 302 be based on capacitance method use in the soil it is contactless
Moisture content is measured, which is the electricity being considered as the first metal electrode 60, the second metal electrode 70 in antiresonant circuit
Hold original part, and the capacitance of capacity cell is related with the dielectric constant of soil, while the dielectric constant of soil and soil moisture
Content is related.Wherein, the output frequency f of antiresonant circuit can be indicated are as follows:Wherein, L is resonant inductance
Value, CPFor the induced electricity capacitance of sensor, therefore in the case where resonant inductance value L is fixed, the output frequency of antiresonant circuit
Rate f reflects the situation of change of capacity cell capacitance, further reflects the situation of change of soil moisture content.
As an alternative embodiment, control module 20 further include:
Multiple relays, multiple relays are separately positioned on the second lowering and stabilizing blood pressure unit 402 and CO2Concentration detecting unit
301, between moisture content detection unit 302 and temperature detecting unit 303, relay is arranged in the second lowering and stabilizing blood pressure unit
402 and CO2Between concentration detecting unit 301, control CO can be opened and shut off by control relay2Concentration detecting unit
301 working condition further by controlling opening and shutting off for multiple relays, realizes CO2Concentration detecting unit 301,
The time sharing power supply and timesharing measurement of moisture content detection unit 302 and temperature detecting unit 303, so as to successively obtain institute
CO2 concentration, temperature and the moisture content in the same space soil are stated, CO is avoided2Concentration detecting unit 301, moisture content inspection
It is interfered with each other caused by when surveying unit 302 and temperature detecting unit 303 while measuring soil parameters, improves measurement data
Accuracy and anti-interference.Specifically, control module 20 controls the time for opening and shutting off and opening of each relay, it is real
The now different periods opens different relays, and then realizes that section parameter detection module detects different in different times
Parameter.
As an alternative embodiment, CO2Moisture content inspection in concentration detecting unit 301, moisture content detection unit 302
Slowdown monitoring circuit and temperature detecting unit 303 are integrated on circuit boards, constitute electrical parameter detection circuit plate, the installation of electrical parameter detection circuit plate
In the looping pit of the first metal electrode 60 and the second metal electrode 70.
In embodiments of the present invention, control module 20, clock module 10, power module 40 are integrated on a circuit board,
Constitute control circuit board, the CO in the control circuit board and electrical parameter detection circuit plate2Concentration detecting unit 301, moisture content inspection
It surveys unit 302 and temperature detecting unit 303 and passes through a bus connection.
In the embodiment of the present invention, which further includes cylinder 501 and ring support 502, as shown in figure 4, shown by Fig. 4
Be a kind of soil vertical sectional parameter measuring device structure chart, specifically, the cylinder 501 and ring support 502 are hollow
Structure, the diameter of cylinder 501 are greater than the diameter of ring support 502, wherein the diameter of cylinder can be 51mm, ring support
Diameter can be 50mm, and the diameter of cylinder and the diameter of ring support can be set according to actual needs, to this this hair
Bright embodiment is not especially limited；Specifically, the first metal electrode 60 and the second metal electrode 70 are arranged in cylinder 501,
In the looping pit of first metal electrode 60 and the second metal electrode 70, the hollow cylindrical ring support 502 of setting one,
In, CO2Moisture content detection circuit and temperature detecting unit in concentration detecting unit 301, moisture content detection unit 302
303 it is integrated constitute electrical parameter detection circuit on circuit boards, which is arranged in bracket, which examines parameter
Slowdown monitoring circuit plate is played a supporting role, and the setting of such integrated form is so that measuring device is easy to carry, easy to operate, while by parameter
Detection circuit board is arranged in the looping pit of the first metal electrode 60, the second metal electrode 70, can be to avoid the first metal electrode
60, the second metal electrode 70 under the action of voltage controlled oscillator 3022 and 3021 resonance of inductance generate high-frequency signal when affecting parameters
The normal work of detection circuit board.Wherein, cylinder can be PVC cylinder, and PVC cylinder is designed by waterproof and breathable, Ke Yiyu
Gas is effectively exchanged in soil, in measurement parameter, by cylinder place into the soil in will not influence parameter detection module detection
The parameter of soil, while to electrical parameter detection circuit plate, bracket, the first metal electrode and the second gold medal for being placed on PVC cylinder interior
Belong to electrode and play protective effect, control circuit board is arranged outside cylinder, and control circuit board passes through a bus and parameter detecting
Circuit board is connected, and when measurement parameter, control circuit board is placed on the parameter that the outer acquisition parameter detection circuit board of soil detects, will
Control circuit board is placed on outside soil, convenient for obtaining the collected parameter of control circuit board；It further, can be in control circuit
Protective cover, protection circuit plate is arranged in the outside of plate.
As an alternative embodiment, the device further include:
Data communication module 50, data communication module 50 include memory module and/or serial communication modular, data communication mould
Block 50 is integrated in control circuit board, wherein memory module, serial communication modular are connected with control module 20 respectively, parameter inspection
The parameter that surveying module 30 will test is transmitted to control module 20, and the acquisition parameter after receiving clock signal of control module 20 is examined
The parameter value that module 30 is sent is surveyed, and collected parameter value is converted, the parameter value after conversion is sent to and is deposited
Module is stored up, or is sent to external reception device by serial communication interface, memory module is for receiving and storing parameter inspection
The value for the parameter that module 30 detects is surveyed, serial communication modular is used to be connected with external reception device, passes through reception device
Serial communication modular can receive the parameter value that parameter detection module 30 detects in real time.
In all examples being illustrated and described herein, any occurrence should be construed as merely illustratively, without
It is as limitation, therefore, other examples of exemplary embodiment can have different values.
Embodiment two:
On the basis of the above embodiments, the embodiment of the invention also provides a kind of CO2Flux computing system, the system are used
In the CO for calculating soil vertical section2Amount of flux, as shown in figure 5, illustrated in fig. 5 is a kind of CO2The structure of flux computing system
Block diagram, system include soil vertical sectional parameter measuring device 80 described in embodiment one, further include data processing equipment 90, number
It is connected according to processing unit 90 with soil vertical sectional parameter measuring device 80.
Data processing equipment 90 is connected with soil vertical sectional parameter measuring device 80, is used for soil vertical sectional parameter
The parameter that measuring device 80 detects is analyzed and processed, and obtains CO in soil2Amount of flux, specifically, data processing equipment 90
It can be used as receiving device and the parameter value that soil vertical sectional parameter measuring device 80 detects received by serial communication interface,
Can also the parameter value that store in the memory module by reading soil vertical sectional parameter measuring device 80, data processing equipment
90, according to the parameter value got, can be calculated CO in soil through Fick First Law2Amount of flux.
Specifically, Fick First Law calculates CO2The process of amount of flux is as follows:
The calculation formula of Fick First Law are as follows:Wherein, F CO2Amount of flux, C are depth
CO in soil at z2The CO that concentration value, i.e. soil vertical sectional parameter measuring device detect2Concentration value, unit are μm ol/m3, z
It can be set to 3cm, 10cm, 18cm, the value of z can be configured according to specific needs in actual use, and the present invention is real
It applies example and this is not especially limited；DSFor CO in soil2Diffusion coefficient, unit m2/ s:DS=ξ Da,Wherein, Da0=1.47 × 10-5m2/ s, T0=293.15K, Pa=
101325Pa；T,P0For the temperature and atmospheric pressure of actual measurement, T is the temperature that soil vertical sectional parameter measuring device detects
Value；ξ is opposing gas diffusion coefficient,Wherein,α=φ-θv, wherein θvFor soil mass
Product moisture content is the moisture content value that soil vertical sectional parameter measuring device detects, unit cm3/cm3；α fills for soil
Stomata porosity, unit cm3/cm3；Φ is soil porosity (cm3/cm3)；ρbFor the soil weight, unit g/cm3, soil
Bulk density is fixed value, and the bulk density of different soils is not identical, such as the soil weight of mineral is 2.65g/cm3, ρmFor specific gravity of soil,
The measurement method of the soil weight is to obtain soil and the drying of a constant volume, the weight of the water of the weight and co-content of soil after drying
The ratio of amount is specific gravity of soil.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description
Specific work process, can be with reference to the corresponding process in aforementioned device embodiment, details are not described herein.
CO provided in an embodiment of the present invention2Flux computing system, with soil vertical sectional parameter provided by the above embodiment
Measuring device technical characteristic having the same reaches identical technical effect so also can solve identical technical problem.
Soil vertical sectional parameter measuring device and CO are carried out provided by the embodiment of the present invention2The meter of flux computing system
Calculation machine program product, the computer readable storage medium including storing the executable non-volatile program code of processor, institute
Stating the instruction that program code includes can be used for executing previous methods method as described in the examples, and it is real that specific implementation can be found in method
Example is applied, details are not described herein.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.
It, can be with if the function is realized in the form of SFU software functional unit and when sold or used as an independent product
It is stored in the executable non-volatile computer-readable storage medium of a processor.Based on this understanding, of the invention
Technical solution substantially the part of the part that contributes to existing technology or the technical solution can be with software in other words
The form of product embodies, which is stored in a storage medium, including some instructions use so that
One computer equipment (can be personal computer, server or the network equipment etc.) executes each embodiment institute of the present invention
State all or part of the steps of method.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory (ROM, Read-
Only Memory), random access memory (RAM, Random Access Memory), magnetic or disk etc. are various can be with
Store the medium of program code.
Finally, it should be noted that embodiment described above, only a specific embodiment of the invention, to illustrate the present invention
Technical solution, rather than its limitations, scope of protection of the present invention is not limited thereto, although with reference to the foregoing embodiments to this hair
It is bright to be described in detail, those skilled in the art should understand that: anyone skilled in the art
In the technical scope disclosed by the present invention, it can still modify to technical solution documented by previous embodiment or can be light
It is readily conceivable that variation or equivalent replacement of some of the technical features；And these modifications, variation or replacement, do not make
The essence of corresponding technical solution is detached from the spirit and scope of technical solution of the embodiment of the present invention, should all cover in protection of the invention
Within the scope of.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (10)
1. a kind of soil vertical sectional parameter measuring device, which is characterized in that described device includes: parameter detection module and control
Molding block；
The parameter detection module includes CO2Concentration detecting unit, moisture content detection unit and temperature detecting unit, it is described
CO2Concentration detecting unit, the moisture content detection unit and the temperature detecting unit are laid in the same space soil；
The control module is connected with the parameter detection module, for controlling the CO in the parameter detection module2Concentration
Detection unit, the moisture content detection unit and the temperature detecting unit successively obtain in the same space soil
CO2Concentration, temperature and moisture content.
2. the apparatus according to claim 1, which is characterized in that described device further includes power module, the power module
Including the first lowering and stabilizing blood pressure unit and the second lowering and stabilizing blood pressure unit；
The power module is connected with the parameter detection module and the control module, for being the parameter detection module
And the control module provides working power；
The first lowering and stabilizing blood pressure unit is connected with the control module, for providing working power for the control module, institute
It states the second lowering and stabilizing blood pressure unit to be connected with the parameter detection module, for providing working power for the parameter control module.
3. the apparatus according to claim 1, which is characterized in that described device further includes clock module, the clock module
It is connected with the control module；
The clock module is used for control module tranmitting data register signal, and the control module is adopted according to the clock signal received
Collect the CO2The parameter that concentration detecting unit, the moisture content detection unit and the temperature detecting unit detect.
4. the apparatus according to claim 1, which is characterized in that the CO2Concentration detecting unit includes CO2Sensor, it is described
CO2Sensor is used to detect the CO in soil2Concentration；
The temperature detecting unit includes temperature detection sensor, and the temperature detection sensor is used to detect the temperature of soil.
5. the apparatus according to claim 1, which is characterized in that the moisture content detection unit includes: moisture content inspection
Slowdown monitoring circuit, the moisture content detection circuit include inductance, voltage controlled oscillator, shaping circuit, frequency dividing circuit and microcontroller
Unit；
The first end of the inductance is connected with the first input end of the voltage controlled oscillator, the second end of the inductance and the pressure
The second input terminal for controlling oscillator is connected, and the output end of the voltage controlled oscillator is connected with one end of the shaping circuit, described
The other end of shaping circuit is connected with one end of the frequency dividing circuit, the other end of the frequency dividing circuit and the microcontroller list
The input terminal of member is connected, and the output end of the micro controller unit is connected with the control module.
6. device according to claim 5, which is characterized in that the moisture content detection unit further includes the first metal electricity
Pole and the second metal electrode；
First metal electrode, second metal electrode are ring structure, and two metal electrodes are using the line in the center of circle as axis
Line parallel connection installation up and down；
First metal electrode and second metal electrode are connected with the moisture content detection circuit.
7. device according to claim 6, which is characterized in that the CO2Concentration detecting unit, moisture content detection
Moisture content detection circuit and the temperature detecting unit in unit is integrated on circuit boards, constitutes electrical parameter detection circuit
Plate, the electrical parameter detection circuit plate are mounted in the looping pit of first metal electrode and second metal electrode.
8. the apparatus of claim 2, which is characterized in that the control module further includes multiple relays, Duo Gesuo
It states relay and is separately positioned on the power module and the CO2Concentration detecting unit, the moisture content detection unit and
Between the temperature detecting unit.
9. device according to claim 1-8, which is characterized in that described device further includes data communication module,
The data communication module is connected with the control module, and the data communication module includes storage unit and/or serial communication
Unit.
10. a kind of CO2Flux computing system, which is characterized in that the system is used to calculate the CO of soil vertical section2Amount of flux,
The system comprises: soil vertical sectional parameter measuring device according to any one of claims 1 to 9, further includes data processing
Device, the data processing equipment are connected with the soil vertical sectional parameter measuring device.
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| CN110596341A (en) * | 2019-06-28 | 2019-12-20 | 南京天补智联信息科技有限公司 | Integrated soil and surrounding environment detection system |
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