CN106680318A - Multilayer multi-probe fast detection method for soil moisture and multilayer multi-probe fast detection device for soil moisture - Google Patents
Multilayer multi-probe fast detection method for soil moisture and multilayer multi-probe fast detection device for soil moisture Download PDFInfo
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- CN106680318A CN106680318A CN201611208168.7A CN201611208168A CN106680318A CN 106680318 A CN106680318 A CN 106680318A CN 201611208168 A CN201611208168 A CN 201611208168A CN 106680318 A CN106680318 A CN 106680318A
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- soil
- soil moisture
- moisture
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/13—Receivers
- G01S19/14—Receivers specially adapted for specific applications
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72403—User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
Abstract
The invention relates to a multilayer multi-probe fast detection method for soil moisture and a device. The method comprises the following steps of: inserting a probe part of a needle plugging type soil moisture sensor into a to-be-measured soil layer, and then measuring an average volumetric water content of the whole soil in a specified scope; directly grafting a signal collecting interface of a wireless signal emitter with an output port of the needle plugging type soil moisture sensor and transmitting the average volumetric water content of the whole soil into a signal collecting module of the wireless signal emitter; under the control of a control module in the wireless signal emitter, transmitting the data of the signal collecting module to a mobile terminal through a communication module; and measuring and calculating the multi-layer soil moisture by the mobile terminal through APP software, thereby acquiring the average volumetric water content of each single soil layer. According to the multilayer multi-probe fast detection method, the multi-band frequency detection for the soil moisture measurement of the soil layers in different depths can be realized; the resolution ratio is increased; the method is widely applied to the soil moisture content monitoring, water-saving irrigation, greenhouse control and precision farming of the industries and departments of agriculture, water conservancy, weather, environmental protection, forestry, and the like.
Description
Technical field
The present invention relates to a kind of soil moisture quick test technique, specifically a kind of multilamellar spininess soil moisture fast determining method
And device.
Background technology
Soil moisture refers to the moisture being maintained in soil aperture, also known as soil moisture.Generally can be by the way that soil sample be put
(temperature control is at 105~110 DEG C) are dried in electric oven, the water yield of release is then measured from soil aperture as the soil water
Divide content.Soil moisture not pure water, but subtle solution, also contain colloidal solid.Soil moisture main source is air drop
Water and irrigation water, still there is in addition the moisture in condensation, level of ground water rising and the soil mineral of aqueous vapor near the ground.And air drops
Water penetrate into soil in number, depend primarily on the size of precipitation, the intensity of precipitation and property.In general, precipitation is big,
May be many into the moisture in soil, but soil water content is not necessarily high.The big precipitation of intensity or showery precipitation, because easily
Ground is caused to be lost in, therefore the moisture penetrated in soil is just few；And the little continuous precipitation of intensity, be conducive to suction of the soil to moisture
Receive and store, soil water content is also not necessarily low.
It can be seen that, the measurement of soil moisture is particularly significant, it is desirable to can quickly, objectively react true aqueous in soil
Amount.The measurement probe length for adopting at present is output as analog voltage signal typically in 6~20cm.Can not for deeper soil layer
Again with the probe measurement for lengthening, this is that the probe official due to lengthening must be uneven using multi-band signal, signal intensity, affects to survey
The accuracy of amount.
The content of the invention
For, to deficiencies such as the measurement accuracy differences of deep carbonate rocks, the problem to be solved in the present invention is in prior art
Offer is a kind of can be with elongated probe length, the multilamellar spininess soil moisture fast determining method of raising measurement accuracy and device.
To solve above-mentioned technical problem, the technical solution used in the present invention is：
A kind of multilamellar spininess fast soil moisture detecting device of the present invention, including mobile terminal, wireless signal transmitter and insert
Pin type soil moisture sensor, wherein contact pin type soil moisture sensor are connected with the communication socket of wireless signal transmitter, nothing
Line signal projector is communicated wirelessly with mobile terminal.
Contact pin type soil moisture sensor has multiple probes be arrangeding in parallel and sensor housing, and one of them is signal
Positive pole, other are signal negative pole, and multiple probe tips are fixed on insulation board in housing, and insulation board passes through both sides fixed plate
It is installed on housing both sides.
The contact pin type soil moisture sensor housing is externally provided with handle.
Contact pin type soil moisture sensor probe a length of 10cm, 20cm, 30cm, 40cm.
Contact pin type soil moisture sensor includes into RC oscillating circuits, instrument amplifier and operational amplifier, wherein many
Individual probe tips form RC oscillating circuits, and the signal positive pole in multiple probes is connected as rate-adaptive pacemaker point with instrument amplifier,
Again Jing operational amplifiers are connected to output port to instrument amplifier.
Wireless signal transmitter includes signal acquisition module, control module, communication module, power module and signals collecting
Interface, in being packaged in emitter housing, wherein signal acquisition module is connect under the control of control module by signals collecting interface
Contact pin type soil moisture sensor data are received, contact pin type soil moisture sensor data Jing communication module is transmitted to mobile terminal.
The output port of contact pin type soil moisture sensor is directly slotting with the signals collecting interface of wireless signal transmitter
Binding structure, the wireless signal transmitter end face relative with contact pin type soil moisture sensor is provided with multiple feets.
The communication module is WIFI wireless communication modules.
A kind of multilamellar spininess soil moisture fast determining method of the present invention, comprises the following steps：
The probe portion of contact pin type soil moisture sensor is inserted in soil layer to be measured, soil entire body in the range of measurement regulation
Average external volume water content；
The signals collecting interface of wireless signal transmitter and the output port of contact pin type soil moisture sensor are directly inserted
Connect, in soil entire body average external volume water content data transfer to the signal acquisition module of wireless signal transmitter；
In wireless signal transmitter under the control of control module, the data of signal acquisition module are passed by communication module
Transport to mobile terminal；
Mobile terminal carries out multi-layer Soil moisture measurement calculating by APP softwares, obtains the average external volume of each independent soil layer
Water content.
The APP softwares carry out multi-layer Soil moisture measurement calculating, specially：
Measurement value sensor is that 0 to each monitoring depth soil average external volume water content is shown respectively with following symbol table：
θ0-10For the soil average external volume percent moisture that 0~10cm monitors depth；
θ0-20For the soil average external volume percent moisture that 0~20cm monitors depth；
θ0-30For the soil average external volume percent moisture that 0~30cm monitors depth；
θ0-40For the soil average external volume percent moisture that 0~40cm monitors depth；
Calculate each layer soil average moisture content：
1) the first soil layer, depth 10cm average soil moisture is directly equal to θ0-10
2) the second soil layer, depth 10~20cm average soil moisture computing formula are as follows：
θ10-20=2* θ0-20–θ0-10 (2-1)
3) the 3rd soil layer, depth 20~30cm average soil moisture computing formula are as follows：
θ20-30=3* θ0-30–θ0-10–θ10-20 (2-2)
4) the 4th soil layer, depth 30~40cm average soil moisture computing formula are as follows：
θ30-40=4* θ0-40–θ0-10–θ10-20–θ20-30 (2-3)
In formula, θ0-10For ground floor (10cm) soil average external volume percent moisture；θ10-20For the second layer (10cm~
20cm) soil average external volume percent moisture；θ20-30For third layer (20cm~30cm) soil average external volume water content percentage
Number；θ30-40For the 4th layer of (30cm~40cm) soil average external volume percent moisture.
The invention has the advantages that and advantage：
1. the present invention adopts mobile phone GPS location function, while soil moisture content is measured, can determine measuring point
Precise information (longitude, latitude), can at any time show the positional information of sampled point, and can be by information Stores such as position and moisture to master
In machine, also can be derived by computer, thus, it is possible to reflect the spatial diversity of soil moisture, not only contribute to implement water saving filling
Irrigate, while accurate water supply is also beneficial to the yield and quality for improving crop, realize moisture content and three dimensional local information from
Dynamic sampling and process, meanwhile, derived data can be uploaded to website and carry out data analysiss.
2. the soil moisture measurement of the achievable different depth soil layer of the present invention, is calculated by multifrequency segment data and realizes multiband
Detection, improves resolution.
3. the present invention quotes smart mobile phone replacement con-ventional handheld harvester, carries out soil moisture measurement.Compare traditional handss
Hold formula data acquisition unit, mobile phone A PP use so that operate it is easier, it is one-stop to realize data acquisition, storage and upload cloud
Client database is modern information technologies in the developmental quantum jump progress of agriculture measuring instrument.
4. product of the present invention is widely used in the soil moisture content prison of the industry departments such as agricultural, water conservancy, meteorology, environmental protection, forestry
Survey, water-saving irrigation, green house control, precision agriculture etc., to meet the related work demand such as scientific research, production, teaching.
Description of the drawings
Fig. 1 is apparatus of the present invention overall electrical structured flowchart；
Fig. 2 is apparatus of the present invention electrical structure schematic diagram；
Fig. 3 is view before apparatus of the present invention grafting (needing modification, see accompanying drawing)；
Fig. 4 is view after apparatus of the present invention grafting.
Wherein, 1 is wireless signal transmitter, 101 signals collecting interfaces, and 102 is feet, and 103 is charge port, and 104 is work
Make beacon lamp, 105 is shift knob, be that 2 for contact pin type soil moisture sensor, 201 is probe signals positive pole, and 202 is probe
Signal negative pole, 203 is handle, and 204 is output port.
Specific embodiment
With reference to Figure of description, the present invention is further elaborated.
As shown in figure 1, a kind of multilamellar spininess fast soil moisture detecting device of the invention, including mobile terminal, wireless signal
Emitter and contact pin type soil moisture sensor, wherein contact pin type soil moisture sensor are inserted with the communication of wireless signal transmitter
Mouth connection, wireless signal transmitter is communicated wirelessly with mobile terminal.
As shown in Fig. 2 contact pin type soil moisture sensor includes into RC oscillating circuits, instrument amplifier and operation amplifier
Device, plurality of probe tips form RC oscillating circuits, and the signal positive pole in multiple probes is put as rate-adaptive pacemaker point with instrument
Big device is connected, and again Jing operational amplifiers are connected to output port to instrument amplifier.
Wireless signal transmitter includes signal acquisition module, control module, communication module, power module and signals collecting
Interface, in being packaged in emitter housing, wherein signal acquisition module is connect under the control of control module by signals collecting interface
Contact pin type soil moisture sensor data are received, contact pin type soil moisture sensor data Jing communication module is transmitted to mobile terminal.
The output port of contact pin type soil moisture sensor is directly slotting with the signals collecting interface of wireless signal transmitter
Binding structure, the wireless signal transmitter end face relative with contact pin type soil moisture sensor is provided with multiple feets, is to protect
The output port of card contact pin type soil moisture sensor does not offset in place with the signals collecting interface grafting of wireless signal transmitter,
To ensure that signal is accurately and effectively transmitted.
In the present embodiment, communication module is Wifi wireless communication modules.Mobile terminal adopts mobile phone, by local Wifi with
Wireless signal transmitter carries out data transmission.User needs collection, the storage that data are completed by smart mobile phone APP software systems
And transmission.Software use environment is more than Android system 4.2.2 versions.
As shown in Figure 3,4, contact pin type soil moisture sensor has multiple probes be arrangeding in parallel and sensor housing, its
In one be signal positive pole, other are signal negative pole, and multiple probe tips are fixed on insulation board in housing, and insulation board leads to
Cross both sides fixed plate and be installed on housing both sides.
In the present embodiment, contact pin type soil moisture sensor housing is externally provided with handle；Contact pin type soil moisture sensor is visited
Pin a length of 10cm, 20cm, 30cm, 40cm.
The accessories such as wireless signal transmitter, the contact pin type soil moisture sensor of various probe specifications and charger are placed
In an instrument container.
Soil moisture speed is carried out using multilamellar spininess fast soil moisture detecting device of the present invention to survey by following steps realization：
The probe portion of contact pin type soil moisture sensor is inserted in soil layer to be measured, soil entire body in the range of measurement regulation
Average external volume water content；
The signals collecting interface of wireless signal transmitter and the output port of contact pin type soil moisture sensor are directly inserted
Connect, in soil entire body average external volume water content data transfer to the signal acquisition module of wireless signal transmitter；
In wireless signal transmitter under the control of control module, the data of signal acquisition module are passed by communication module
Transport to mobile terminal；
Mobile terminal carries out multi-layer Soil moisture measurement calculating by APP softwares, obtains the average external volume of each independent soil layer
Water content.
APP softwares carry out multi-layer Soil moisture measurement calculating, specially：
Measurement value sensor is that 0 to each monitoring depth soil average external volume water content is shown respectively with following symbol table：
θ0-10For soil average external volume water content (%) that 0~10cm monitors depth；
θ0-20For soil average external volume water content (%) that 0~20cm monitors depth；
θ0-30For soil average external volume water content (%) that 0~30cm monitors depth；
θ0-40For soil average external volume water content (%) that 0~40cm monitors depth；
Calculate each layer soil average moisture content：
1) the first soil layer, depth 10cm average soil moisture is directly equal to θ0-10；
2) the second soil layer, depth 10~20cm average soil moistures press formula (2-1) calculating：
θ10-20=2* θ0-20–θ0-10 (2-1)
3) the 3rd soil layer, depth 20~30cm average soil moistures press formula (2-2) calculating：
θ20-30=3* θ0-30–θ0-10–θ10-20 (2-2)
4) the 4th soil layer, depth 30~40cm average soil moistures press formula (2-3) calculating：
θ30-40=4* θ0-40–θ0-10–θ10-20–θ20-30 (2-3)
θ in formula0-10For ground floor (10cm) soil average external volume water content (%)；θ10-20For the second layer (10cm~20cm)
Soil average external volume water content (%)；θ20-30For third layer (20cm~30cm) soil average external volume water content (%)；θ30-40For
4th layer of (30cm~40cm) soil average external volume water content (%).
The probe portion of contact pin type soil moisture sensor must be in fully-inserted soil during measurement, it is ensured that soil with visit
Pin part is fully contacted；Measured point should try one's best avoid stone, hole, rhizome it is more where；When hard earth's surface is measured, should
First drilling (aperture is less than probe diameter), then insert soil surveying along hole；In order to avoid soil is uneven or it is incorrect to operate
The measurement error brought, measurable multiple spot is averaged；Proper use of contact pin type soil moisture sensor, prevents sensor to be subject to
Strength pressing, high vibration and impact, must not be tapped with hard thing.If instrument long-time is not used, it is being first using front
Battery charges；Monthly charge once for emitter, improve battery.
It is by the signal of wireless signal transmitter when contact pin type soil moisture sensor is connected with wireless signal transmitter
Acquisition interface and the direct grafting of output port of contact pin type soil moisture sensor, after connecting, click on wireless signal transmitter
On button, you can start collection.By in probe insertion soil to be tested, wireless data transmitter is opened, by mobile phone WIFI
The USR-WIFI232-T of soil moisture content quick analyser emitter is connected to, and is shown " connecting ".Click on corresponding length probe soil layer
's【Read】Button, reads probe raw voltage values and soil volumetric water content, and unit is respectively mv and %.Meanwhile, Yong Huke
Harvester electricity is read out, it is determined whether need to charge.
After the completion of collection, such as want for gathered data to be sent to high in the clouds, network settings are please first carried out, by mobile phone and wireless data
The connection of emitter disconnects, and changes cell phone network into data network or outside WIFI.High in the clouds is arranged into interface to open.
The storage of data and transmission：Change cell phone network into data network or outside WIFI.After connection network, click on【Send out
Send】, data upload onto the server, and such as do not get GPS information, or soil layer information is not complete, then show and " send failure, data are
Storage ", data will be stored in smart mobile phone, and user can carry out data query and management at " local data " interface.
Click on【Local data】Button, into local data interface.Local data interface display data store content, can
To select data to carry out the upload of data, deletion action.
Claims (10)
1. a kind of multilamellar spininess fast soil moisture detecting device, it is characterised in that：Including mobile terminal, wireless signal transmitter and
Contact pin type soil moisture sensor, wherein contact pin type soil moisture sensor are connected with the communication socket of wireless signal transmitter,
Wireless signal transmitter is communicated wirelessly with mobile terminal.
2. the multilamellar spininess fast soil moisture detecting device as described in claim 1, it is characterised in that：Contact pin type soil moisture is sensed
Utensil has multiple probes be arrangeding in parallel and sensor housing, and one of them is signal positive pole, and other are signal negative pole, multiple spies
Needle end part is fixed on insulation board in housing, and insulation board is installed on housing both sides by both sides fixed plate.
3. the multilamellar spininess fast soil moisture detecting device as described in claim 2, it is characterised in that：The contact pin type soil moisture
Sensor housing is externally provided with handle.
4. the multilamellar spininess fast soil moisture detecting device as described in claim 2, it is characterised in that：Contact pin type soil moisture is sensed
Device probe a length of 10cm, 20cm, 30cm, 40cm.
5. the multilamellar spininess fast soil moisture detecting device as described in claim 1, it is characterised in that：Contact pin type soil moisture is sensed
Device includes into RC oscillating circuits, instrument amplifier and operational amplifier, and plurality of probe tips form RC oscillating circuits, many
Signal positive pole in individual probe is connected as rate-adaptive pacemaker point with instrument amplifier, and again Jing operational amplifiers are connected to instrument amplifier
Output port.
6. the multilamellar spininess fast soil moisture detecting device as described in claim 1, it is characterised in that：Wireless signal transmitter includes
Signal acquisition module, control module, communication module, power module and signals collecting interface, in being packaged in emitter housing, its
Middle signal acquisition module passes through signals collecting interface contact pin type soil moisture sensor data under the control of control module,
Contact pin type soil moisture sensor data Jing communication module is transmitted to mobile terminal.
7. the multilamellar spininess fast soil moisture detecting device as described in claim 4 or 5, it is characterised in that：Contact pin type soil moisture
The output port of sensor and the signals collecting interface of wireless signal transmitter are direct connected structure, wireless signal transmitter with
The relative end face of contact pin type soil moisture sensor is provided with multiple feets.
8. the multilamellar spininess fast soil moisture detecting device as described in claim 5, it is characterised in that：The communication module is WIFI
Wireless communication module.
9. a kind of multilamellar spininess soil moisture fast determining method, it is characterised in that comprise the following steps：
The probe portion of contact pin type soil moisture sensor is inserted in soil layer to be measured, soil entire body is average in the range of measurement regulation
Volumetric(al) moisture content；
By the direct grafting of output port of the signals collecting interface of wireless signal transmitter and contact pin type soil moisture sensor, soil
Earth entire body average external volume water content data transfer is into the signal acquisition module of wireless signal transmitter；
In wireless signal transmitter under the control of control module, by the data of signal acquisition module by communication module transmit to
Mobile terminal；
Mobile terminal carries out multi-layer Soil moisture measurement calculating by APP softwares, and the average external volume for obtaining each independent soil layer is aqueous
Amount.
10. the multilamellar spininess soil moisture fast determining method as described in claim 9, it is characterised in that the APP softwares carry out many
Layer soil moisture measurement is calculated, specially：
Measurement value sensor is that 0 to each monitoring depth soil average external volume water content is shown respectively with following symbol table：
θ0-10For the soil average external volume percent moisture that 0~10cm monitors depth；
θ0-20For the soil average external volume percent moisture that 0~20cm monitors depth；
θ0-30For the soil average external volume percent moisture that 0~30cm monitors depth；
θ0-40For the soil average external volume percent moisture that 0~40cm monitors depth；
Calculate each layer soil average moisture content：
1) the first soil layer, depth 10cm average soil moisture is directly equal to θ0-10
2) the second soil layer, depth 10~20cm average soil moisture computing formula are as follows：
θ10-20=2* θ0-20–θ0-10 (2-1)
3) the 3rd soil layer, depth 20~30cm average soil moisture computing formula are as follows：
θ20-30=3* θ0-30–θ0-10–θ10-20 (2-2)
4) the 4th soil layer, depth 30~40cm average soil moisture computing formula are as follows：
θ30-40=4* θ0-40–θ0-10–θ10-20–θ20-30 (2-3)
In formula, θ0-10For ground floor (10cm) soil average external volume percent moisture；θ10-20For the second layer (10cm~20cm)
Soil average external volume percent moisture；θ20-30For third layer (20cm~30cm) soil average external volume percent moisture；
θ30-40For the 4th layer of (30cm~40cm) soil average external volume percent moisture.
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| CN201611208168.7A CN106680318A (en) | 2016-12-23 | 2016-12-23 | Multilayer multi-probe fast detection method for soil moisture and multilayer multi-probe fast detection device for soil moisture |
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|---|---|---|---|
| CN201611208168.7A CN106680318A (en) | 2016-12-23 | 2016-12-23 | Multilayer multi-probe fast detection method for soil moisture and multilayer multi-probe fast detection device for soil moisture |
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| CN201611208168.7A Pending CN106680318A (en) | 2016-12-23 | 2016-12-23 | Multilayer multi-probe fast detection method for soil moisture and multilayer multi-probe fast detection device for soil moisture |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111781963A (en) * | 2020-07-09 | 2020-10-16 | 湖南康飞建设工程有限公司 | Water conservancy monitored control system based on internet |
| CN111982969A (en) * | 2020-07-02 | 2020-11-24 | 中国科学院地理科学与资源研究所 | Method and equipment for measuring water content of layered soil |
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Application publication date: 20170517 |