CN109406579B - Soil moisture layering detection sensor - Google Patents
Soil moisture layering detection sensor Download PDFInfo
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- CN109406579B CN109406579B CN201811237659.3A CN201811237659A CN109406579B CN 109406579 B CN109406579 B CN 109406579B CN 201811237659 A CN201811237659 A CN 201811237659A CN 109406579 B CN109406579 B CN 109406579B
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- 238000001514 detection method Methods 0.000 title claims abstract description 56
- 239000002689 soil Substances 0.000 title claims abstract description 34
- 230000005540 biological transmission Effects 0.000 claims abstract description 23
- 238000004891 communication Methods 0.000 claims description 7
- 238000013517 stratification Methods 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000005341 toughened glass Substances 0.000 claims description 3
- 238000012935 Averaging Methods 0.000 claims description 2
- 238000004070 electrodeposition Methods 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 5
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/24—Earth materials
- G01N33/245—Earth materials for agricultural purposes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/24—Earth materials
- G01N33/246—Earth materials for water content
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- Life Sciences & Earth Sciences (AREA)
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
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- Food Science & Technology (AREA)
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- Chemical Kinetics & Catalysis (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The invention relates to a soil moisture layering detection sensor, and belongs to the technical field of agricultural engineering application. The soil moisture layering detection sensor comprises a stepping motor, an armrest, a connecting ring, an electrode driving mechanism, a guide rail wall, a conical fixing mechanism, a screw nut, a coupler and a screw rod and moisture detection structures, wherein each moisture detection structure comprises an electrode I, an electrode II and an electrode III, and each electrode is matched with a 100MHz oscillator, a coaxial transmission line, a detection module, an operational amplifier, an Arduino singlechip and an Hc05 Bluetooth module smart phone. The soil moisture layering detection sensor is used for solving the problem that the existing soil moisture detection sensor cannot conduct layering detection.
Description
Technical Field
The invention relates to a soil moisture layering detection sensor, and belongs to the technical field of agricultural engineering application.
Background
The soil moisture detection sensor is relatively commonly used in the field of agricultural engineering, and the previous soil moisture sensor can only perform single-point measurement and cannot meet the requirement of multi-point flexible layering.
Disclosure of Invention
Aiming at the problems and the defects existing in the prior art, the invention provides a soil moisture layering detection sensor. The soil moisture layering detection sensor solves the problem that the existing soil moisture detection sensor cannot conduct layering detection. The invention is realized by the following technical scheme.
A soil moisture layering detection sensor comprises a stepping motor 1, an armrest 2, a connecting ring 3, an electrode driving mechanism 4, a guide rail wall 5, a conical fixing mechanism 6, a screw nut 10, a coupler 11, a screw rod 12 and a moisture detection structure, wherein the moisture detection structure comprises an electrode I7, an electrode II 8 and an electrode III 9, each electrode (electrode I7, electrode II 8 or electrode III 9) is matched with a 100MHz oscillator, a coaxial transmission line, a detection module, an operational amplifier, an Arduino singlechip and an Hc05 Bluetooth module smart phone, the 100MHz oscillator is connected with each electrode (electrode I7, electrode II 8 or electrode III 9) through a coaxial transmission line, each electrode (electrode I7, electrode II 8 or electrode III 9) is provided with a detection module at two ends of the coaxial transmission line to obtain voltage signals, the module electrical signals in each electrode (electrode I7, electrode II 8 or electrode III) are connected to the Arduino singlechip after being connected with a differential amplifier, the Arduino singlechip is transmitted to the smart phone through the Hc05 Bluetooth module in a serial port communication mode, the 100MHz oscillator is connected with the sinusoidal oscillator in a serial port communication mode, the voltage signals are generated through the 100MHz oscillator and the corresponding to the electrode I05 Bluetooth module through the coaxial transmission line and the electrode II 8 is connected with the electrode II 8 or the electrode III through the differential amplifier, the electrode III is connected with the electrode III module through the coaxial transmission line to obtain the result through the electrode III 8, the electrode III is connected with the electrode III module through the electrode III module, and the electrode III is connected with the electrode III chip through the electrode 3, the electrode I7, the electrode II 8 and the electrode III 9 acquire the detection result of the soil moisture content in the same way; the stepping motor 1 is located handrail 2 intermediate position, handrail 2 bottom passes through go-between 3 connection guide rail wall 5, be equipped with three guide rail grooves on the guide rail wall 5, guide rail wall 5 bottom is equipped with toper fixed establishment 6, step motor 1's output shaft passes handrail 2 intermediate position, step motor 1's output shaft passes through shaft coupling 11 and connects the lead screw 12 that is located guide rail wall 5 inside, toper fixed establishment 6 is connected to the lead screw 12 bottom, be equipped with on the lead screw 12 with lead screw 12 complex lead screw nut 10, the lead screw nut 10 outside evenly is equipped with three electrode I7, electrode II 8, electrode III 9, electrode I7, electrode II 8, electrode III 9's cross section is the T type, electrode I7, electrode II 8, electrode III 9T type vertical end cooperates with guide rail wall 5 three guide rail grooves, drive lead screw 12 in proper order at step motor 1, lead screw nut 10 rotates down, electrode I7, electrode II 8, electrode III 9 reciprocates along guide rail wall 5.
The electrode I7, the electrode II 8 and the electrode III 9 are made of stainless steel; the screw nut 10 is made of plastic; the guide rail wall 5 is made of toughened glass.
The stepping motor 1 is fixed at the middle position of the handrail 2 through a bolt I15, a bolt II 16, a bolt III 17 and a bolt IV 18.
The guide rail wall 5 consists of a guide rail wall I19, a guide rail wall II 20 and a guide rail wall III 21.
The conical fixing mechanism 6 comprises a conical fixing cap 13 at the bottom, and the conical fixing cap 13 is connected with the bottom of the screw rod 12 through a screw rod bearing 14.
The working principle of the soil moisture layering detection sensor is as follows:
Before the sensor is used, the guide rail wall 5 of the sensor needs to be cleaned, the stepping motor 1 is controlled to rotate, and the electrode position is reset to the top; the method comprises the steps of inserting a soil moisture layering detection sensor into soil through a conical fixing mechanism 6 at the bottom, controlling a stepping motor 1 to rotate, slowly descending an electrode I7, an electrode II 8 and an electrode III 9 to a designated layer at a constant speed to detect moisture, generating sinusoidal signals through a 100MHz oscillator in a moisture detection structure, connecting the sinusoidal signals to an electrode I positive electrode of the soil moisture sensor through a coaxial transmission line with fixed characteristic impedance, grounding a corresponding electrode negative electrode through a shielding wire of the coaxial transmission line, acquiring voltage signals at two ends of the coaxial transmission line through a detection module, connecting the voltage signals to an Arduino singlechip after passing through a differential amplifier, transmitting the voltage values to the intelligent mobile phone through an Hc05 Bluetooth module in a serial port communication mode, acquiring detection results of the soil moisture content on the electrode I7, the electrode II 8 and the electrode III in the same mode, and finally acquiring soil moisture content detection results on the electrode I7, the electrode II 8 and the electrode III respectively and then averaging the detection results of the soil moisture content on the electrode III.
The beneficial effects of the invention are as follows: the soil moisture layering detection sensor can perform layering measurement of soil moisture, is low in cost and high in popularization value.
Drawings
FIG. 1 is a schematic view of a portion of the structure of the apparatus of the present invention;
FIG. 2 is a schematic view of the lead screw nut and electrode connection structure of the present invention;
FIG. 3 is a schematic diagram of the connection structure of the stepper motor and the screw rod according to the present invention;
FIG. 4 is a schematic illustration of the connection of the cone-shaped securing mechanism of the present invention to a lead screw bearing;
FIG. 5 is a schematic view of a stepper motor of the present invention;
FIG. 6 is a schematic view of the track wall structure of the present invention;
FIG. 7 is a schematic view of the electrode and rail wall mating structure of the present invention.
Fig. 8 is a schematic diagram of the principle of soil moisture stratification detection of the present invention.
In the figure: the device comprises a 1-stepping motor, a 2-handrail, a 3-connecting ring, a 4-electrode driving mechanism, a 5-guide rail wall, a 6-conical fixing mechanism, a 7-electrode I, a 8-electrode II, a 9-electrode III, a 10-lead screw nut, a 11-coupler, a 12-lead screw, a 13-conical fixing cap, a 14-lead screw bearing, a 15-bolt I, a 16-bolt II, a 17-bolt III, a 18-bolt IV, a 19-guide rail wall I, a 20-guide rail wall II, a 21-guide rail wall III and Z1, wherein the characteristic impedance of the coaxial transmission line is that a and b are 2 end points of the coaxial transmission line.
Detailed Description
The invention will be further described with reference to the drawings and detailed description.
Example 1
As shown in fig. 1 to 8, the soil moisture layering detection sensor comprises a stepping motor 1, a handrail 2, a connecting ring 3, an electrode driving mechanism 4, a guide rail wall 5, a conical fixing mechanism 6, a screw nut 10, a coupler 11, a screw rod 12 and a moisture detection structure, wherein the moisture detection structure comprises an electrode I7, an electrode II 8 and an electrode III 9, a 100MHz oscillator matched with each electrode (the electrode I7, the electrode II 8 or the electrode III 9), a coaxial transmission line, a detection module, an operational amplifier, an Arduino singlechip and an Hc05 Bluetooth module smart phone are arranged at two ends of the coaxial transmission line, the 100MHz oscillator is connected with each electrode (the electrode I7, the electrode II 8 or the electrode III 9) through the coaxial transmission line, the detection module is arranged at each electrode (the electrode I7, the electrode II 8 or the electrode III 9) to acquire voltage signals, the detection module in each electrode (electrode I7, electrode II 8 or electrode III 9) is electrically connected with the differential amplifier and then connected to the Arduino single-chip microcomputer, the Arduino single-chip microcomputer transmits the voltage value to the smart phone in a serial port communication mode through the Hc05 Bluetooth module, the 100MHz oscillator generates a sine signal, the sine signal is connected to the positive electrode of the electrode (electrode I7, electrode II 8 or electrode III 9) of the soil moisture sensor through the coaxial transmission line with fixed characteristic impedance, the negative electrode of the corresponding electrode (electrode I7, electrode II 8 or electrode III 9) is grounded through the shielding wire of the coaxial transmission line, voltage signals are acquired at two ends of the coaxial transmission line through the detection module and then connected to the Arduino single-chip microcomputer through the differential amplifier, the Arduino single-chip microcomputer calculates and converts the voltage value to a detection result, the detection result is transmitted to the smart phone in a serial port communication mode through the Hc05 Bluetooth module, the electrode I7, the electrode II 8 and the electrode III 9 acquire the detection result of the soil moisture content in the same way; the stepping motor 1 is located handrail 2 intermediate position, handrail 2 bottom passes through go-between 3 connection guide rail wall 5, be equipped with three guide rail grooves on the guide rail wall 5, guide rail wall 5 bottom is equipped with toper fixed establishment 6, step motor 1's output shaft passes handrail 2 intermediate position, step motor 1's output shaft passes through shaft coupling 11 and connects the lead screw 12 that is located guide rail wall 5 inside, toper fixed establishment 6 is connected to the lead screw 12 bottom, be equipped with on the lead screw 12 with lead screw 12 complex lead screw nut 10, the lead screw nut 10 outside evenly is equipped with three electrode I7, electrode II 8, electrode III 9, electrode I7, electrode II 8, electrode III 9's cross section is the T type, electrode I7, electrode II 8, electrode III 9T type vertical end cooperates with guide rail wall 5 three guide rail grooves, drive lead screw 12 in proper order at step motor 1, lead screw nut 10 rotates down, electrode I7, electrode II 8, electrode III 9 reciprocates along guide rail wall 5.
Wherein the electrode I7, the electrode II 8 and the electrode III 9 are made of stainless steel; the screw nut 10 is made of plastic; the guide rail wall 5 is made of toughened glass; the stepping motor 1 is fixed at the middle position of the handrail 2 through a bolt I15, a bolt II 16, a bolt III 17 and a bolt IV 18; the guide rail wall 5 consists of a guide rail wall I19, a guide rail wall II 20 and a guide rail wall III 21; the conical fixing mechanism 6 comprises a conical fixing cap 13 at the bottom, and the conical fixing cap 13 is connected with the bottom of the screw rod 12 through a screw rod bearing 14.
While the present invention has been described in detail with reference to the drawings, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (4)
1. The utility model provides a soil moisture layering detects sensor which characterized in that: the multifunctional water content intelligent mobile phone comprises a stepping motor (1), an armrest (2), a connecting ring (3), an electrode driving mechanism (4), a guide rail wall (5), a conical fixing mechanism (6), a screw nut (10), a coupler (11) and a screw (12) and a water content detection structure, wherein the water content detection structure comprises an electrode I (7), an electrode II (8) and an electrode III (9), a 100MHz oscillator matched with each electrode, a coaxial transmission line, a detection module, an operational amplifier, an Arduino single-chip microcomputer and an Hc05 Bluetooth module intelligent mobile phone, the 100MHz oscillator is connected with each electrode through the coaxial transmission line, each electrode is provided with the detection module at two ends of the coaxial transmission line to acquire voltage signals, the detection module electric signals in each electrode are connected with the differential amplifier and then connected with the Arduino single-chip microcomputer, the Arduino single-chip microcomputer is transmitted to the intelligent mobile phone in a serial port communication mode, the 100MHz oscillator generates sinusoidal signals, the corresponding electrodes are connected to the positive electrode of the water content detection structure through the coaxial transmission line, the corresponding electrodes are grounded through the shielding lines of the coaxial transmission line, the two ends of the coaxial transmission line are connected with the detection module to acquire voltage signals through the differential amplifier, the Arduino single-chip microcomputer is connected with the electrode I (8), the electrode I is converted into a detection result is obtained through the electrode I (7), the detection result is converted into a serial signal through the serial port communication mode, and the result is transmitted to the electrode I (7) through the electrode I) and the electrode I is detected by the intelligent mobile phone, the detection module is transmitted to the result through the electrode I (7) Respectively obtaining detection results of the water content of the soil on the electrode II (8) and the electrode III (9), and averaging; the stepping motor (1) is positioned at the middle position of the handrail (2), the bottom of the handrail (2) is connected with the guide rail wall (5) through the connecting ring (3), three guide rail grooves are formed in the guide rail wall (5), a conical fixing mechanism (6) is arranged at the bottom of the guide rail wall (5), an output shaft of the stepping motor (1) penetrates through the middle position of the handrail (2), an output shaft of the stepping motor (1) is connected with a screw rod (12) positioned in the guide rail wall (5) through a coupler (11), the bottom of the screw rod (12) is connected with the conical fixing mechanism (6), a screw rod nut (10) matched with the screw rod (12) is arranged on the screw rod (12), three electrodes are respectively arranged on the outer side of the screw rod nut (10), namely an electrode I (7), an electrode II (8), an electrode III (9), an electrode II (8) and a T-shaped vertical end of the electrode III (9) are matched with the three guide rail grooves of the guide rail wall (5), and the stepping motor (1) drives the screw rod (12), the screw rod nut (10) to rotate in sequence, and the electrode II (8) and the electrode III (9) moves along the upper guide rail wall and the lower electrode II (5) along the guide rail wall;
The guide rail wall (5) consists of a guide rail wall I (19), a guide rail wall II (20) and a guide rail wall III (21);
Before the sensor is used, the guide rail wall (5) of the sensor needs to be cleaned, the stepping motor (1) is controlled to rotate, and the electrode position is reset to the top; the soil moisture layering detection sensor is inserted into soil through the conical fixing mechanism (6) at the bottom, the stepping motor (1) is controlled to rotate, and the electrode I (7), the electrode II (8) and the electrode III (9) slowly and uniformly descend to a designated layer to detect moisture.
2. The soil moisture stratification detection sensor of claim 1, wherein: the electrode I (7), the electrode II (8) and the electrode III (9) are made of stainless steel; the screw nut (10) is made of plastic; the guide rail wall (5) is made of toughened glass.
3. The soil moisture stratification detection sensor of claim 1, wherein: the stepping motor (1) is fixed at the middle position of the handrail (2) through a bolt I (15), a bolt II (16), a bolt III (17) and a bolt IV (18).
4. The soil moisture stratification detection sensor of claim 1, wherein: the conical fixing mechanism (6) comprises a conical fixing cap (13) at the bottom, and the conical fixing cap (13) is connected with the bottom of the screw rod (12) through a screw rod bearing (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811237659.3A CN109406579B (en) | 2018-10-23 | 2018-10-23 | Soil moisture layering detection sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811237659.3A CN109406579B (en) | 2018-10-23 | 2018-10-23 | Soil moisture layering detection sensor |
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| CN109406579A CN109406579A (en) | 2019-03-01 |
| CN109406579B true CN109406579B (en) | 2024-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811237659.3A Active CN109406579B (en) | 2018-10-23 | 2018-10-23 | Soil moisture layering detection sensor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102027366A (en) * | 2008-03-28 | 2011-04-20 | 棉花集水社区合作研究中心有限公司 | System, apparatus and method for measuring soil moisture content |
| CN102914568A (en) * | 2012-10-09 | 2013-02-06 | 华南农业大学 | Soil moisture sensor with replaceable probe and measuring method of soil moisture sensor |
| CN203869734U (en) * | 2014-05-22 | 2014-10-08 | 西北农林科技大学 | Field information remote-control detection platform |
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| CN206274268U (en) * | 2016-12-20 | 2017-06-23 | 漳浦县桥辉农林专业合作社 | A kind of round-the-clock forest plantation monitoring system of smart three-dimensional formula |
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| CN207051237U (en) * | 2017-07-03 | 2018-02-27 | 中设（深圳）设备检验检测技术有限公司 | A kind of oil storage pot sidewall leakage magnetic detection device |
| CN108562722A (en) * | 2018-07-11 | 2018-09-21 | 合肥苍旻自动化有限公司 | A kind of removable monitoring soil moisture device |
| CN209247673U (en) * | 2018-10-23 | 2019-08-13 | 昆明理工大学 | A kind of soil moisture layered weighting sensor |
-
2018
- 2018-10-23 CN CN201811237659.3A patent/CN109406579B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102027366A (en) * | 2008-03-28 | 2011-04-20 | 棉花集水社区合作研究中心有限公司 | System, apparatus and method for measuring soil moisture content |
| CN102914568A (en) * | 2012-10-09 | 2013-02-06 | 华南农业大学 | Soil moisture sensor with replaceable probe and measuring method of soil moisture sensor |
| CN203869734U (en) * | 2014-05-22 | 2014-10-08 | 西北农林科技大学 | Field information remote-control detection platform |
| CN104155138A (en) * | 2014-07-24 | 2014-11-19 | 西北农林科技大学 | Automatic soil detection system |
| CN104950012A (en) * | 2015-07-02 | 2015-09-30 | 水利部南京水利水文自动化研究所 | Integrated adjustable automatic soil longitudinal water recording instrument |
| CN105572323A (en) * | 2016-01-29 | 2016-05-11 | 南京全水信息科技有限公司 | Soil sensor |
| CN206274268U (en) * | 2016-12-20 | 2017-06-23 | 漳浦县桥辉农林专业合作社 | A kind of round-the-clock forest plantation monitoring system of smart three-dimensional formula |
| CN106980011A (en) * | 2017-05-02 | 2017-07-25 | 中国水利水电科学研究院 | A kind of deep carbonate rocks Multipoint synchronous measuring system |
| CN207051237U (en) * | 2017-07-03 | 2018-02-27 | 中设（深圳）设备检验检测技术有限公司 | A kind of oil storage pot sidewall leakage magnetic detection device |
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| CN108562722A (en) * | 2018-07-11 | 2018-09-21 | 合肥苍旻自动化有限公司 | A kind of removable monitoring soil moisture device |
| CN209247673U (en) * | 2018-10-23 | 2019-08-13 | 昆明理工大学 | A kind of soil moisture layered weighting sensor |
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| CN109406579A (en) | 2019-03-01 |
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