CN104950012A - Integrated adjustable automatic soil longitudinal water recording instrument - Google Patents
Integrated adjustable automatic soil longitudinal water recording instrument Download PDFInfo
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- CN104950012A CN104950012A CN201510380580.6A CN201510380580A CN104950012A CN 104950012 A CN104950012 A CN 104950012A CN 201510380580 A CN201510380580 A CN 201510380580A CN 104950012 A CN104950012 A CN 104950012A
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Abstract
The invention discloses an integrated adjustable automatic soil longitudinal water recording instrument which comprises a sealing shell, wherein an electronic element and a measuring assembly are arranged in the shell; the electronic element comprises a communication interface, a power supply and a mainboard; the mainboard comprises a controller and a storing device; the measuring assembly comprises an installation framework; a plurality of pairs of electrodes are arranged on the installation framework; the electrodes can slide along the installation framework; a limiting device is also arranged on the installation framework; each pair of electrodes is in data connection with the mainboard by a flexible cable; data output by the electrodes are transferred into the controller; the controller transfers the data into the storing device for storing; the power supply is used for powering the electronic element; the communication interface is connected with the controller. According to the instrument, an integrated design is adopted, the power supply, the mainboard and the communication part are packaged in the shell; the data can be recorded and stored for a long time; meanwhile, the measuring depths of different soil layers can be adjusted according to needs, so that the monitoring requirements of users on water at the different soil layers can be met.
Description
Technical field
The invention belongs to soil moisture measurement device technique field, be specifically related to the longitudinal moisture self-recording device of a kind of soil.
Background technology
Soil moisture is the water being present in interstices of soil or being adsorbed on soil particle, be distributed in ground surface with down in soil horizon more than water table, being the material impact factor of the important material composition of soil and soil fertility, is the Plants and Soils growth of microorganism important substance basis of growing and Eco Environmental Factors.Soil moisture is a key link in earth environment in this natural conveying belt chain of water circulation, is the important carrier of earth environment material recycle and energy transferring, is also the important component part of nature water resource.The situation such as composition, quantity of soil moisture and the reason of soil, change, natural disposition matter and reason thereof, change, raw process are closely related.As the important step of water circulation and one of the important carrier and medium of geochemical cycle, soil moisture is also an important content during geochemistry, geological and mineral, plant nutrient and soil moisture content etc. are studied.Soil moisture research is an importance in the disciplinary study such as pedology, environmentology, ecology, hydrology, geology, geography, agronomy, and the collection of soil moisture is then the basis of soil moisture research.
Soil moisture, in below ground soil gap, does not have lake, river natural water so convenient.Measure the method for soil water content a lot: traditional method has weighting method after dried, Neutron probe method, heat partition sensing method to be that change by measuring the soil moisture is to the response of thermal pulse and then record capillary tension head and draw Soil Water Content; New method the most frequently used at present has time-domain reflectomer (TDR) method, tensiometer method, simplifies resistance bolck method, psychrometer method, far infrared remote sensing method, high frequency capacitance sensing method, gamma-ray decay method, hygrometer method, electromagnetic technique etc.
Application number is in the Chinese invention patent of 201110036902.7, disclose a kind of device for measuring soil moisture, be made up of negative electrode, anode, wire, resistance, negative electrode, the anode unit being arranged in soil and resistant series to be got up formation loop by wire, measure the magnitude of voltage between anode unit and negative electrode, thus calculate moisture.This is also the typical structure of device for measuring soil moisture comparatively common at present.We know, soil is larger in the difference of different degree of depth moistures, and the device for measuring soil moisture in above-mentioned patent, determinator is embedded in a certain degree of depth measure, therefore once can only measure the moisture content value of constant depth, when needs measure different depth soil water content, also need repeatedly multiple spot to bury measurement underground, inefficiency, operation is loaded down with trivial details.In addition, because data acquisition needs, current device for measuring soil moisture majority has communication mainboard, and by solar cell for supplying power, the communication mainboard again communication facilities such as external antenna carries out the real-time Transmission of data, but in use we find, external antenna and solar cell are all easily affected by environment or suffer artificial destruction, which results in the significantly increase of maintenance cost; Again because do not carry out data storage in existing device for measuring soil moisture, when electrical transfer function is destroyed, easily cause the serious consequence of loss of data.
Summary of the invention
For solving the problem, the invention discloses a kind of self-recording device simultaneously measuring underground multi-layer Soil moisture, adopting integrated design, power supply, mainboard, communication component are all encapsulated in the enclosure, and record storage is carried out to data; Meanwhile, fathoming of different soil can also regulate as required, considerably increases the scope of application of registering instrument.
In order to reach above object, the invention provides following technical scheme:
The longitudinal moisture self-recording device of a kind of integrated adjustable soil, comprise shell, electronic devices and components and measurement components is provided with in described shell, described electronic devices and components comprise communication interface, power supply, mainboard, described mainboard comprises controller, storer, described measurement components comprises mounting framework, described mounting framework is provided with some to electrode, described electrode can slide along mounting framework, described mounting framework is also provided with stop means, often pair of electrode all can form data cube computation by flexible cable and mainboard, the data that described electrode exports are conveyed in controller, data are conveyed in storer and store by described controller, described power supply is used for powering for electronic devices and components, described communication interface is connected with controller.
Further, also comprise sensor printed board, cable and cable socket, described electrode is connected with sensor printed board by flexible cable, and described sensor printed board is connected with cable pin, described cable is connected with cable socket, and described cable pin is for inserting in cable socket.
Further, described stop means comprises elastic bumps.
Further, described power supply comprises dry cell batteries.
Further, described electrode is annular.
Further, described cover top portion is provided with a cap.Further, described outer casing bottom is provided with waterproof end plug.
Further, described shell adopts nonmetallic materials to make.
Further, also comprise communication module, described communication interface is connected with controller by communication module.
Further, described communication interface comprises at least one in antenna, aviation socket, USB interface, 454 interfaces, radio-frequency module, bluetooth module.
Compared with prior art, tool of the present invention has the following advantages and beneficial effect:
The longitudinal moisture self-recording device of soil provided by the invention, can realize multi-layer Soil moisture Continuous Observation, and accurately record different soils layer Water retention, needs water to carry out Precision Irrigation to crops, realize agricultural water-saving irrigation; The monitoring number of plies can need customization according to user, and adjustment is flexible, meets the monitoring requirements of user to different soils layer moisture, and improve the monitoring accuracy of the longitudinal moisture distribution of soil, accommodation is extremely wide; In addition, mass storage and dry cell power supply are arranged, and ensure that this registering instrument can long-term work under without the condition of external power supply, realize the long-term record automatically of soil moisture, the especially long-term moisture monitoring in applicable field.
Accompanying drawing explanation
Fig. 1 is the adjustable soil of integration provided by the invention longitudinal moisture self-recording device one-piece construction schematic diagram;
Fig. 2 is a kind of adjustment state schematic diagram of mounting framework top electrode;
Fig. 3 is the another kind of adjustment state schematic diagram of mounting framework top electrode;
Fig. 4 is electronic devices and components connection diagram in shell.
Reference numerals list:
1-shell, 2-cylinder cap, 3-waterproof end plug, 4-communication interface, 5-power supply, 6-communication module, 7-mainboard, the flat cable of 8-, the printed board of 9-sensor, 10-skeleton, 11-electrode, 12-elastic bumps, 13-flexible cable, the flat cable socket of 14-.
Embodiment
Below in conjunction with the drawings and specific embodiments, illustrate the present invention further, following embodiment should be understood and be only not used in for illustration of the present invention and limit the scope of the invention.It should be noted that, the word "front", "rear" of use is described below, "left", "right", "up" and "down" refer to direction in accompanying drawing, word " interior " and " outward " refer to the direction towards or away from particular elements geometric center respectively.
Refer to Fig. 1, Fig. 2, Fig. 3, the adjustable soil of integration as shown in the figure longitudinal moisture self-recording device shell 1 is made up of nonmetallic composite, shell 1 is preferably one-body molded, side does not have gap, top is provided with the cylinder cap 2 that nonmetallic composite is made, bottom be provided with rubber waterproof plug 3, all component package in shell 1, water-tight.Moisture self-recording device internal main will comprise electronic devices and components and measurement components, in electronic devices and components, major part is located at the first half in shell 1, specifically comprise communication interface 4, power supply 5, communication module 6, mainboard 7 etc., electronic devices and components connection diagram as shown in Figure 4, mainboard 7 respectively with communication module, power supply 5 connects, communication module 6 is connected to communication interface 4, mainboard 7 is also connected with sensor printed board 9 by order wire (in the present invention, order wire adopts flat cable 8), the data that sensor printed board 9 collects for transfer measurement components, mainboard 7 is for processing the electrode signal received, preserve after being converted into moisture value, numerical value before conversion also should be preserved as original value.Mainboard 7 comprises core controller, storer, also can comprise the normal signal handling components such as A/D conversion chip, amplifier, wave filter as required, mainboard 7 adopts mass storage, longer-term storage can be carried out to data, core controller for the treatment of with calculating data, all the other electronic devices and components are all connected with core controller.In the present invention the communication interface 4 of indication comprise conventional remote, closely, various direct correspondence with foreign country parts under wired or wireless mode, such as antenna, aviation socket, USB interface, 454 interfaces etc., radio-frequency module, bluetooth module etc., communication interface 4 of the present invention can possess multiple communication component simultaneously.Sometimes be integrated with communication module 6 in these communication interfaces 4, or be integrated with communication module 6 in mainboard 7, communication interface 4 is directly connected with mainboard 7 in above-mentioned two situations.Adopt GPRS DTU module as communication module 6 in the present invention, communication interface 4 adopts GPRS antenna, and GPRS antenna and GPRS DTU module match for the data of long-distance transmissions registering instrument output or from control center's acknowledge(ment) signal.GPRS antenna is positioned at shell 1 top, is located at below a cap 2, ensures good communication condition.Adopt aviation socket to carry out short distance wire transmission in the present invention, below aviation socket next-door neighbour cylinder cap 2, opening a cap 2 gang socket can carry out data transmission.In the present invention, registering instrument power supply 5 adopts dry cell batteries to power, and in Fig. 1, dry cell batteries is positioned at below shell 1 top communication interface 4, avoids being exposed to outside and causes damage, and is convenient to change.
Measurement components is located at the latter half in shell 1, measurement components comprises the mounting framework 10 that nonmetallic materials are made and the electrode 11 be arranged on mounting framework 10, electrode 11 is arranged in pairs, skeleton 10 is longitudinally arranged several to electrode 11, these electrodes 11 can slide up and down on skeleton 10, in the present invention, electrode 11 is annular, middle part is provided with through hole, skeleton 10 runs through each electrode 11 through hole, skeleton 10 is provided with multiple elastic bumps 12, it can be made to sink to elastic bumps 12 force, when applying without external force, elastic bumps 12 keeps projected state, position-limiting action can be played to adjacent electrode 11, elastic bumps 12 is only a kind of example, those skilled in that art also can adopt other can carry out the parts of position-limiting action---as draw-in groove buckle etc. carrys out elasticity of substitution projection 12.When moisture registering instrument measurement components part is embedded in soil, often pair of electrode 11 is arranged in soil different depth, for measuring a certain deep soil moisture figure, (principle adopting electrode 11 to record moisture value is can produce voltage difference between electrode 11 pair of electrodes 11, moisture value can be obtained after being calculated by set formula, this belongs to prior art, and moisture measurement relative theory is not described in detail in the present invention).Skeleton 10 is longitudinally fixed with sensor printed board 9, often pair of electrode 11 is all connected with sensor printed board 9 by flexible cable 13, flexible cable 13 has that excellent bending, volume are scratched, reversed, tensile property, when adopting the benefit of flexible cable 13 connecting electrode 11, also can not affect transmission and the collection of signal when sliding electrode 11 position.Specifically, as shown in Figure 2, for the pair of electrodes 11 of the top in scheming, wherein the first electrode 111A is connected with sensor printed board 9 respectively by flexible cable 13 with the second electrode 111A ', and remaining electrode 11 connected mode is with reference to the connected mode of aforementioned pair of electrodes 11.The upper some flat cable socket 14 being also longitudinally provided with flat cable 8 and being connected with this flat cable 8 of mounting framework 10, sensor printed board 9 has flat cable contact pin, flat cable contact pin is inserted the connection that can realize sensor printed board 9 and flat cable 8 in corresponding flat cable socket 14.Sensor printed board 9 is as signal transfer parts, and the electric signal transmission that each pair of electrode 11 can be collected is to flat cable.Flat cable is connected with mainboard 7, and the Signal transmissions exported by each electrode 11 is in mainboard 7, and sensor printed board 9 can be connected to mainboard 7 by cable socket inserting mode that the present invention adopts fast, is convenient to adjust position, and is easy to install.Cable transmission mode is comparatively stable, and the Signal transmissions that we also can adopt other wired or wireless data connection approachs to realize electrode 11 to export is in mainboard 7.
Shell 1 is overall cylindrical, size can adapt to inner each arrangement of parts shape, such as can be larger owing to needing to hold the first half diameter of electronic devices and components, and the latter half diameter with measurement components less (the latter half is slightly little cylindrical shape), adapt to the size of skeleton 10 and top electrode 11 thereof.
Use this moisture self-recording device can monitor continuously different depth soil horizon moisture vertically downward from soil surface, the monitoring number of plies can need customization according to user, realize multi-layer Soil moisture Continuous Observation, can be adapted to the actual demand of different distance soil layer by the distance between adjustment often pair of electrode 11, the quantity of electrode 11 also can increase as required or reduce.As shown in Figure 2, when needing to carry out the monitoring of soil moisture to 5 centimeters of soil layers, slidably electrode 11 position is adjusted to the distance between often pair of electrode 11 is 5 centimeters, needing to prop up elastic bumps 12 before slip makes it decline, slide into when needing position, the elastic bumps 12 on side can help spacing, the position of fixed electorde 11.When need be adjusted to the monitoring of soil moisture is carried out to 10 centimeters of soil layers time, slidably electrode 11 position is adjusted to the distance between often pair of electrode 11 is 10 centimeters, needing to prop up elastic bumps 12 before slip makes it decline, slide into when needing position, the elastic bumps 12 on side can help spacing, and the position of fixed electorde 11, in Fig. 3, in often pair of electrode 11, electrode 11 position of top remains unchanged, and the electrode 11 below slide downward is positioned at can realize the adjustment of position.Even in one-shot measurement process, can not arrange which floor soil layer monitoring spacing distance and which floor soil layer monitoring spacing distance lower not etc., these can by adjusting the position of often pair of electrode 11 and their distances each other realize.The data of often pair of electrode 11 acquisition are transferred in mainboard 7 core controller by sensor printed board 9, flat cable 8, and are finally stored in mass storage.When needs regularly obtain data, open the cylinder cap 2 at shell 1 top, be connected to storer by communication interface 4 and obtain data.
Technological means disclosed in the present invention program is not limited only to the technological means disclosed in above-mentioned embodiment, also comprises the technical scheme be made up of above technical characteristic combination in any.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (10)
1. the longitudinal moisture self-recording device of the adjustable soil of integration, it is characterized in that: comprise shell, electronic devices and components and measurement components is provided with in described shell, described electronic devices and components comprise communication interface, power supply, mainboard, described mainboard comprises controller, storer, described measurement components comprises mounting framework, described mounting framework is provided with some to electrode, described electrode can slide along mounting framework, described mounting framework is also provided with stop means, often pair of electrode all can form data cube computation by flexible cable and mainboard, the data that described electrode exports are conveyed in controller, data are conveyed in storer and store by described controller, described power supply is used for powering for electronic devices and components, described communication interface is connected with controller.
2. the longitudinal moisture self-recording device of the adjustable soil of integration according to claim 1, it is characterized in that: also comprise sensor printed board, cable and cable socket, described electrode is connected with sensor printed board by flexible cable, described sensor printed board is connected with cable pin, described cable is connected with cable socket, and described cable pin is for inserting in cable socket.
3. the longitudinal moisture self-recording device of the adjustable soil of integration according to claim 1 and 2, is characterized in that: described stop means comprises elastic bumps.
4. the longitudinal moisture self-recording device of the adjustable soil of integration according to claim 1 and 2, is characterized in that: described power supply comprises dry cell batteries.
5. the longitudinal moisture self-recording device of the adjustable soil of integration according to claim 1 and 2, is characterized in that: described electrode is annular.
6. the longitudinal moisture self-recording device of the adjustable soil of integration according to claim 1 and 2, is characterized in that: described cover top portion is provided with a cap.
7. the longitudinal moisture self-recording device of the adjustable soil of integration according to claim 1 and 2, is characterized in that: described outer casing bottom is provided with waterproof end plug.
8. the longitudinal moisture self-recording device of the adjustable soil of integration according to claim 1 and 2, is characterized in that: described shell adopts nonmetallic materials to make.
9. the longitudinal moisture self-recording device of the adjustable soil of integration according to claim 1 and 2, it is characterized in that: also comprise communication module, described communication interface is connected with controller by communication module.
10. the longitudinal moisture self-recording device of the adjustable soil of integration according to claim 1 and 2, is characterized in that: described communication interface comprises at least one in antenna, aviation socket, USB interface, 454 interfaces, radio-frequency module, bluetooth module.
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| CN201510380580.6A CN104950012A (en) | 2015-07-02 | 2015-07-02 | Integrated adjustable automatic soil longitudinal water recording instrument |
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| CN201510380580.6A CN104950012A (en) | 2015-07-02 | 2015-07-02 | Integrated adjustable automatic soil longitudinal water recording instrument |
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| CN105758901A (en) * | 2016-02-25 | 2016-07-13 | 南京农业大学 | Moisture measurement method and device of vertical section of farmland soil |
| CN108709917A (en) * | 2018-05-14 | 2018-10-26 | 水利部南京水利水文自动化研究所 | Tubular type TDR soil moisture sensors |
| CN109406579A (en) * | 2018-10-23 | 2019-03-01 | 昆明理工大学 | A kind of soil moisture layered weighting sensor |
| CN109975519A (en) * | 2019-04-22 | 2019-07-05 | 李青平 | It is a kind of precisely to adjust the fixed device of multifunction soil moisture teller |
| CN110325301A (en) * | 2017-02-24 | 2019-10-11 | 新东工业株式会社 | The water filling of green-sand is blended system |
| CN112630271A (en) * | 2020-11-24 | 2021-04-09 | 南京师范大学 | Method for monitoring soil moisture diffusion based on concentration cell |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110325301A (en) * | 2017-02-24 | 2019-10-11 | 新东工业株式会社 | The water filling of green-sand is blended system |
| CN108709917A (en) * | 2018-05-14 | 2018-10-26 | 水利部南京水利水文自动化研究所 | Tubular type TDR soil moisture sensors |
| CN109406579A (en) * | 2018-10-23 | 2019-03-01 | 昆明理工大学 | A kind of soil moisture layered weighting sensor |
| CN109975519A (en) * | 2019-04-22 | 2019-07-05 | 李青平 | It is a kind of precisely to adjust the fixed device of multifunction soil moisture teller |
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| CN112630271B (en) * | 2020-11-24 | 2023-08-15 | 南京师范大学 | Method for monitoring soil moisture diffusion based on concentration battery |
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Inventor after: Zhi Yongming Inventor after: Han Jiwei Inventor after: Shao Jun Inventor after: Chu Zefan Inventor after: Li Hui Inventor after: Deng Chao Inventor after: Zhang Liru Inventor after: Wang Yan Inventor before: Zhi Yongming Inventor before: Han Jiwei Inventor before: Shao Jun Inventor before: Chu Zefan Inventor before: Li Hui Inventor before: Deng Chao |
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Application publication date: 20150930 |