CN208109744U - A kind of Soil salinity detection recorder - Google Patents
A kind of Soil salinity detection recorder Download PDFInfo
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- CN208109744U CN208109744U CN201820752343.7U CN201820752343U CN208109744U CN 208109744 U CN208109744 U CN 208109744U CN 201820752343 U CN201820752343 U CN 201820752343U CN 208109744 U CN208109744 U CN 208109744U
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Abstract
The utility model discloses a kind of Soil salinities to detect recorder.The first output end of microcontroller and the input terminal of signal generator in the Soil salinity detection recorder connect；The input terminal of soil moisture sensor and the output end of signal generator connect；The output end of soil moisture sensor and the input terminal of microcontroller connect；The second output terminal of microcontroller is connect with display；The third output end of microcontroller is connect with ZigBee radio transmitting device.Soil moisture sensor is arranged in the utility model, it is contemplated that influence of the soil moisture to testing result can be improved the accuracy of testing result；And by setting ZigBee radio transmitting device, soil salt content is wirelessly transmitted to data sharing center, realizes data sharing, and quickly, in real time.
Description
Technical field
The utility model relates to Soil K+adsorption technical fields, detect recorder more particularly to a kind of Soil salinity.
Background technique
Soil salinization problem is to restrict the principal element of Development of Agriculture in Arid Areas.Currently, Soil salinity is detected in field
Equipment it is less, generally use laboratory measurement, field conductivity meter or Handheld soil salinity measurement equipment carry out field
Measurement.Traditional laboratory measurement method takes time and effort；Field conductivity meter can only detect soil conductivity, can not be according to specific
The relationship of environment inverting conductivity and Soil salinity, results in testing result in this way and practical Soil salinity error is larger, can not
Real―time precision measurment；Handheld soil salinity measurement equipment does not consider influence of the soil moisture to testing result mostly, causes
The accuracy of testing result is low, and cannot transmit in time.
Summary of the invention
Based on this, it is necessary to a kind of Soil salinity detection recorder is provided, with quickly, detect Field Soil precisely in real time
The salinity of earth.
To achieve the above object, the utility model provides following scheme：
A kind of Soil salinity detection recorder, including：Microcontroller, signal generator, soil moisture sensor, display
With ZigBee radio transmitting device；
First output end of the microcontroller is connect with the input terminal of the signal generator；The soil moisture sensing
The input terminal of device is connect with the output end of the signal generator；The output end of the soil moisture sensor and the microcontroller
The input terminal of device connects；The second output terminal of the microcontroller is connect with the display；The third of the microcontroller is defeated
Outlet is connect with the ZigBee radio transmitting device；
The microcontroller controls the soil moisture sensor to the dielectric constant of soil by the signal generator
It measures, and the dielectric constant is handled, obtain soil salt content；The microcontroller is by the soil salt content
It is shown by the display, and data sharing center is wirelessly transmitted to by the ZigBee radio transmitting device.
Optionally, the Soil salinity detection recorder further includes：First signal amplifier and analog-digital converter；First letter
The input terminal of number amplifier is connect with the output end of the soil moisture sensor, the input of output end and the analog-digital converter
End connection；The AfD converter output is connect with the input terminal of the microcontroller.
Optionally, the Soil salinity detection recorder further includes：Conductivity sensor and second signal amplifier；The electricity
The input terminal of derivative sensor is connect with the output end of the signal generator, the input of output end and the second signal amplifier
End connection；The output end of the second signal amplifier is connect with the input terminal of the analog-digital converter；The microcontroller is logical
The conductivity sensor is crossed to be corrected the soil moisture sensor.
Optionally, the Soil salinity detection recorder further includes data storage；The data storage with it is described micro-
4th output end of controller connects；The model W25X16 of the data storage.
Optionally, the model STM32F103RCT6 of the microcontroller.
Optionally, the model AD9854 of the signal generator, the frequency model of the signal of the signal generator output
It encloses for 1MHZ-120MHZ.
Optionally, the model RFX2401 for the chip that the ZigBee radio transmitting device uses.
Optionally, the model LCD12864 of the display.
Optionally, the model of first signal amplifier and the second signal amplifier is AD8307, and described
The frequency range of one signal amplifier and the signal of second signal amplifier output is 1MHZ-500MHZ；The modulus
The model AT84AD001B of converter.
Optionally, the conductivity sensor is four electrode conductance sensors.
According to specific embodiment provided by the utility model, the utility model discloses following technical effects：
A kind of Soil salinity of the utility model detects recorder, the first output end of microcontroller and signal generator
Input terminal connection；The input terminal of soil moisture sensor and the output end of signal generator connect；Soil moisture sensor it is defeated
The connection of the input terminal of outlet and microcontroller；The second output terminal of microcontroller is connect with display；The third of microcontroller is defeated
Outlet is connect with ZigBee radio transmitting device.The Soil salinity detects recorder and soil moisture sensor is arranged, it is contemplated that soil
Influence of the moisture to testing result in earth, can be improved the accuracy of testing result；And it is wirelessly transferred by setting ZigBee
Soil salt content is wirelessly transmitted to data sharing center by device, realizes data sharing, and quickly, in real time.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only of the invention some
Embodiment for those of ordinary skill in the art without any creative labor, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is the structural schematic diagram that a kind of Soil salinity of the utility model detects recorder.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, with reference to the accompanying drawing and have
Body embodiment is described in further detail the utility model.
Fig. 1 is the structural schematic diagram that a kind of Soil salinity of the utility model detects recorder.
Referring to Fig. 1, the Soil salinity of embodiment detects recorder, including：Microcontroller 1, signal generator 2, the soil water
Sub-sensor 3, display 4 and ZigBee radio transmitting device 5；The first output end and the signal of the microcontroller 1 are sent out
The input terminal connection of raw device 2, the voltage excitation signals of predeterminated frequency are generated for controlling the signal generator 2；The soil
The input terminal of moisture transducer 3 is connect with the output end of the signal generator 2, for according to the voltage drive received
Signal measures the dielectric constant of soil, obtains the voltage offseting signal i.e. dielectric constant of soil, the variation letter
Number reaction soil contains salt gradient and moisture gradient；The output end and the microcontroller of the soil moisture sensor 3
Input terminal connection；The second output terminal of the microcontroller 1 is connect with the display 4；The third of the microcontroller 1 is defeated
Outlet is connect with the ZigBee radio transmitting device 5；The soil moisture sensor 3 is based on frequency domain reflection measurement
The soil moisture sensor of (Frequency Domain Reflectometry, FDR) Technology design.
When the salinity salt content to soil to be measured measures, soil moisture sensor 3 is placed into soil to be measured,
The microcontroller 1 controls the soil moisture sensor 3 by the signal generator 2 and surveys to the dielectric constant of soil
Amount, and the dielectric constant is handled, obtain soil salt content；The soil salt content is passed through institute by the microcontroller
It states display 4 to be shown, and data sharing center is wirelessly transmitted to by the ZigBee radio transmitting device 5.Soil
The real part of dielectric constant is related to water content, and imaginary part is related to salt content.
As an alternative embodiment, the Soil salinity detection recorder further includes：First signal amplifier, 6 He
Analog-digital converter 7；The input terminal of first signal amplifier 6 is connect with the output end of the soil moisture sensor 3, output end with
The input terminal of the analog-digital converter 7 connects；The input terminal of 7 output end of analog-digital converter and the microcontroller 1
Connection.
As an alternative embodiment, the Soil salinity detection recorder further includes：Conductivity sensor 8 and second
Signal amplifier 9；The input terminal of the conductivity sensor 8 is connect with the output end of the signal generator 2, output end with it is described
The input terminal of second signal amplifier 9 connects；The output end of the second signal amplifier 9 is defeated with the analog-digital converter 7
Enter end connection；The microcontroller 1 is corrected the soil moisture sensor 3 by the conductivity sensor 8.
As an alternative embodiment, the Soil salinity detection recorder further includes data storage 10；It is described
Data storage 10 is connect with the 4th output end of the microcontroller 1；The model W25X16 of the data storage 10.
As an alternative embodiment, the model STM32F103RCT6 of the microcontroller 1；The signal occurs
The model AD9854 of device 2, the frequency range for the signal that the signal generator 2 exports are 1MHZ-120MHZ；The ZigBee
The model RFX2401 for the chip that radio transmitting device 5 uses；The model LCD12864 of the display 4；First letter
The model of number amplifier 6 and the second signal amplifier 9 is AD8307, first signal amplifier 6 and described second
The frequency range for the signal that signal amplifier 9 exports is 1MHZ-500MHZ；The model of the analog-digital converter 7
AT84AD001B；The conductivity sensor 8 is four electrode conductance sensors.
As an alternative embodiment, the signal generator 2 passes through rf signal line and the soil water respectively
Sub-sensor 3 and the conductivity sensor 8 connect；First signal amplifier 6 passes through rf signal line and the soil water
Sub-sensor 3 connects；The second signal amplifier 9 is connect by rf signal line with the conductivity sensor 8；The radio frequency
Signal wire is SMA male connector/male connector straight peen connecting line.
Soil moisture sensor is arranged in Soil salinity detection recorder in the present embodiment, it is contemplated that soil moisture is to inspection
The influence for surveying result, can be improved the accuracy of testing result；By the way that ZigBee radio transmitting device is arranged, by soil salt content
It is wirelessly transmitted to data sharing center, realizes the data sharing for obtaining measurement to agriculture Internet of Things, speed is fast, real-time
It is good；Soil salinity detection recorder is easy to carry, easy to use, can quick and precisely detect Soil salinity, improve soil
The intelligent level of earth salinity measurement equipment.
Specific case used herein is expounded the principles of the present invention and embodiment, above embodiments
Explanation be merely used to help understand the core concept of the utility model；At the same time, for those skilled in the art, foundation
The thought of the utility model, there will be changes in the specific implementation manner and application range.In conclusion in this specification
Appearance should not be construed as a limitation of the present invention.
Claims (10)
1. a kind of Soil salinity detects recorder, which is characterized in that including：Microcontroller, signal generator, soil moisture sensing
Device, display and ZigBee radio transmitting device；
First output end of the microcontroller is connect with the input terminal of the signal generator；The soil moisture sensor
Input terminal is connect with the output end of the signal generator；The output end of the soil moisture sensor and the microcontroller
Input terminal connection；The second output terminal of the microcontroller is connect with the display；The third output end of the microcontroller
It is connect with the ZigBee radio transmitting device；
The microcontroller controls the soil moisture sensor by the signal generator and carries out to the dielectric constant of soil
Measurement, and the dielectric constant is handled, obtain soil salt content；The microcontroller passes through the soil salt content
The display is shown, and is wirelessly transmitted to data sharing center by the ZigBee radio transmitting device.
2. a kind of Soil salinity according to claim 1 detects recorder, which is characterized in that further include：First signal is put
Big device and analog-digital converter；The input terminal of first signal amplifier is connect with the output end of the soil moisture sensor, output
End is connect with the input terminal of the analog-digital converter；The input terminal of the AfD converter output and the microcontroller connects
It connects.
3. a kind of Soil salinity according to claim 2 detects recorder, which is characterized in that further include：Conductivity sensor
With second signal amplifier；The input terminal of the conductivity sensor is connect with the output end of the signal generator, output end with
The input terminal of the second signal amplifier connects；The output end of the second signal amplifier is defeated with the analog-digital converter
Enter end connection；The microcontroller is corrected the soil moisture sensor by the conductivity sensor.
4. a kind of Soil salinity according to claim 3 detects recorder, which is characterized in that further include data storage；
The data storage is connect with the 4th output end of the microcontroller；The model W25X16 of the data storage.
5. a kind of Soil salinity according to claim 1 detects recorder, which is characterized in that the model of the microcontroller
STM32F103RCT6。
6. a kind of Soil salinity according to claim 1 detects recorder, which is characterized in that the type of the signal generator
It number is AD9854, the frequency range of the signal of signal generator output is 1MHZ-120MHZ.
7. a kind of Soil salinity according to claim 1 detects recorder, which is characterized in that the ZigBee wireless transmission
The model RFX2401 for the chip that device uses.
8. a kind of Soil salinity according to claim 1 detects recorder, which is characterized in that the model of the display
LCD12864。
9. a kind of Soil salinity according to claim 3 detects recorder, which is characterized in that first signal amplifier
Model with the second signal amplifier is AD8307, and first signal amplifier and the second signal amplifier are defeated
The frequency range of signal out is 1MHZ-500MHZ；The model AT84AD001B of the analog-digital converter.
10. a kind of Soil salinity according to claim 3 detects recorder, which is characterized in that the conductivity sensor is
Four electrode conductance sensors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820752343.7U CN208109744U (en) | 2018-05-17 | 2018-05-17 | A kind of Soil salinity detection recorder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820752343.7U CN208109744U (en) | 2018-05-17 | 2018-05-17 | A kind of Soil salinity detection recorder |
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| Publication Number | Publication Date |
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| CN208109744U true CN208109744U (en) | 2018-11-16 |
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| CN201820752343.7U Expired - Fee Related CN208109744U (en) | 2018-05-17 | 2018-05-17 | A kind of Soil salinity detection recorder |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109270124A (en) * | 2018-11-22 | 2019-01-25 | 东华理工大学 | A kind of Soil salinity prediction technique based on machine learning regression algorithm |
| CN110320244A (en) * | 2019-07-29 | 2019-10-11 | 山东省科学院海洋仪器仪表研究所 | A kind of seawater salinity measuring system and method based on orthogonal lock-in-amplifier technology |
-
2018
- 2018-05-17 CN CN201820752343.7U patent/CN208109744U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109270124A (en) * | 2018-11-22 | 2019-01-25 | 东华理工大学 | A kind of Soil salinity prediction technique based on machine learning regression algorithm |
| CN110320244A (en) * | 2019-07-29 | 2019-10-11 | 山东省科学院海洋仪器仪表研究所 | A kind of seawater salinity measuring system and method based on orthogonal lock-in-amplifier technology |
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Granted publication date: 20181116 Termination date: 20190517 |