CN111487306A - Soil pH value detection method and system - Google Patents
Soil pH value detection method and system Download PDFInfo
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- 238000001514 detection method Methods 0.000 title claims abstract description 109
- 239000002689 soil Substances 0.000 title claims abstract description 96
- 238000012544 monitoring process Methods 0.000 claims abstract description 15
- 230000005540 biological transmission Effects 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 10
- 238000007781 pre-processing Methods 0.000 claims description 7
- 230000007246 mechanism Effects 0.000 claims description 6
- 240000007651 Rubus glaucus Species 0.000 claims description 5
- 235000011034 Rubus glaucus Nutrition 0.000 claims description 5
- 235000009122 Rubus idaeus Nutrition 0.000 claims description 5
- 239000011521 glass Substances 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 3
- 238000005070 sampling Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 238000004458 analytical method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000005059 dormancy Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000020477 pH reduction Effects 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000840 electrochemical analysis Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- -1 hydrogen ions Chemical class 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
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- 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
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- 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
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Abstract
The invention discloses a soil pH value detection method and a system, wherein the system comprises a soil pH value detection device, an MSP430 singlechip, a GPRS wireless module, a cloud server and a mobile phone APP; the method comprises the following steps: (1) starting a soil pH value detection device and obtaining a soil sample for detection; (2) the MSP430 singlechip is used for simply analyzing the detection data in advance and judging whether the data is reasonable or not; (3) sending the detection data to a cloud server through a GPRS wireless module; (4) the detection data, the data curve graph, the histogram and the pie chart in a period of time are embodied on the user mobile phone APP, and cloud monitoring is completed. The invention adopts the GPRS wireless module which can be permanently online and can realize the unmanned detection and the automatic acquisition and transmission by adopting the automatic sampling detection, can detect under any condition and greatly improve the detection efficiency.
Description
Technical Field
The invention belongs to the technical field of soil detection equipment, and particularly relates to a soil pH value detection method and system.
Background
China is actively developing the treatment of soil, and if no effective monitoring measures are available in the process, the development of the treatment work is very unfavorable. Whether soil acidification or salinization is serious, a detailed investigation must be done to the soil condition of each region to develop treatment work, and measures need to be taken immediately when soil acidification and salinization are serious, and monitoring can be continuously maintained if the condition is good. After the treatment is finished, the monitoring is continued, data are returned at fixed points and fixed time, and the situation is prevented from deteriorating again. Therefore, a wireless data remote transmission that is permanently on-line and free of terrain constraints is necessary. Traditional data acquisition needs artifical the collection, tests etc. and is consuming time for a long time, and the process is complicated, and equipment requires highly, and reaction time is long, is unfavorable for on a large scale data collection and control, receives the region restriction. And the traditional wired transmission needs to pull cables and bury electric wires, and is difficult to process when meeting special terrains such as hills, mountains and basins, and even in plain areas, the traditional wired transmission also needs larger capital investment, so that the treatment cost is greatly increased. If the data remote wireless transmission is used, the problem can be better solved, only one GPRS module and one cloud server are needed, and the limitation of cable length, terrain factors and weather conditions is avoided.
Disclosure of Invention
The invention aims to provide a soil pH value detection method and system, which are used for solving the problems that the traditional detection system needs manual maintenance, the system installation cost is high, the real-time performance cannot be guaranteed and the like.
In order to solve the technical problem, the invention is solved by the following technical scheme:
in a first aspect, a soil acidity and alkalinity detection method is provided, which comprises the following steps:
(1) the soil pH value detection device is started, a soil sample is obtained for detection, detection data of the soil sample are obtained and are uploaded to the MSP430 single chip microcomputer;
(2) the MSP430 single chip microcomputer is used for preprocessing the detection data, judging whether the detection data are within a reasonable range or not, and sending prompt and early warning to a user side according to a judgment result;
(3) sending the detection data to a cloud server through a GPRS wireless module for storage;
(4) the mobile phone APP acquires detection data from the cloud server, and forms a data curve graph, a histogram and a sector graph in a period of time through a GUI (graphical user interface) based on the detection data, and the data curve graph, the histogram and the sector graph are embodied on the mobile phone APP of the user to complete cloud monitoring.
In the step (1), the soil pH value detection device uses a mechanical device to stretch to a detection ground to extract a certain amount of soil samples, then dilutes the samples to obtain soil component solution, and uses a built-in PH meter in the device to detect the soil component solution so as to obtain soil pH value data.
In the step (3), on the basis of the original GPRS wireless transmission module, the IP address of data remote transmission is mapped to the newly created cloud server, and the data is transmitted to the cloud server point to point.
In the step (3), the cloud server is built by the raspberry pi, and a MySQ L database is installed on the raspberry pi, so that the management and processing of data are facilitated.
In the step (4), the mobile phone APP is developed by adopting an Android Studio platform, the mobile phone APP acquires detection data from the cloud server, and a data curve is formed to visually reflect the soil pH value condition.
In a second aspect, a soil ph detection system is provided, comprising: the system comprises a soil pH value detection device, an MSP430 single chip microcomputer, a GPRS wireless module, a cloud server and a mobile phone APP;
the soil pH value detection device is started, a soil sample is obtained for detection, detection data of the soil sample are obtained, and the detection data are uploaded to the MSP430 single chip microcomputer;
the MSP430 single chip microcomputer is used for preprocessing the detection data, judging whether the detection data are within a reasonable range or not, and sending prompt and early warning to a user side according to a judgment result; the detection data is sent to a cloud server through a GPRS wireless module to be stored;
the mobile phone APP acquires detection data from the cloud server, and forms a data curve graph, a histogram and a sector graph in a period of time through a GUI (graphical user interface) based on the detection data, and the data curve graph, the histogram and the sector graph are embodied on the mobile phone APP of the user to complete cloud monitoring.
In some embodiments, the soil pH detection system further comprises a GPS positioning module, wherein the GPS positioning module is installed on the soil pH detection device and interacts with the mobile phone APP information; can fix a position the check point of each soil pH valve detection device on the cell-phone APP, observe the detection data of different check points.
In some embodiments, the soil PH detection device comprises a soil collection mechanism, a PH meter, the soil collection mechanism is used for collecting a soil sample; the PH meter comprises a reference electrode, a glass electrode and an ammeter.
Automatic soil pH valve detection device of sample and detection to GPRS wireless transmission detects data to high in the clouds server to carry out big data analysis and processing, analysis result sends to cell-phone APP, realizes observing the soil data situation of change anytime and anywhere, and concrete step is:
(1) starting a soil pH value detection device and obtaining a soil sample for detection;
(2) the MSP430 singlechip is used for simply analyzing the detection data in advance and judging whether the data is reasonable or not;
(3) sending the detection data to a cloud server through a GPRS wireless module;
the detection data, the data curve graph, the histogram and the pie chart in a period of time are embodied on the user mobile phone APP, and cloud monitoring is completed.
Furthermore, the method for detecting the pH value of the soil is characterized in that a pH meter is arranged in the device and consists of two electrodes and an ammeter, and the pH value of the soil solution can be directly measured in an ionization mode after a mechanical device collects a sample.
Furthermore, the MSP430 single chip microcomputer is used for carrying out preliminary analysis on the acquired result, and if the difference with a normal value is large, a warning can be directly sent to a monitoring user through the GPRS module, so that an early warning effect is achieved.
Further, for the use of the GPRS wireless module, firstly, a SIM card is prepared (a mobile or internet card which is charged and has opened the GPRS internet access function) without any problem, then the IP address of the server is determined, and the data is sent to the server in a TCP manner through an instruction preset by the GPRS module.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, the technology of the Internet of things is applied to the field of traditional soil pH value detection, data can be uploaded to a database at the first time, the advantages of big data can be fully utilized for soil protection operation and subsequent monitoring compared with a traditional recording mode, and the detection cost is greatly reduced.
The soil pH value automatic detection device is arranged in the soil pH value automatic detection device, and the single chip microcomputer control system is matched, so that remote starting, remote closing or dormancy setting can be realized, the detection system is always on line, manual real-time operation is not needed, the labor burden is reduced, and the data acquisition is more timely and scientific.
The invention is provided with the GPS positioning module, so that the system can be distributed at fixed points, can simultaneously detect the soil environment of multiple points to form a soil detection networking, can quickly obtain multiple data, directly warns a user when the preprocessing of the single chip microcomputer finds that the data is abnormal, and the user can also directly position a specific system to check.
Drawings
FIG. 1 is a schematic flow chart of a method according to an embodiment of the present invention.
Detailed Description
The technical scheme of the invention is described in detail and clearly in the following with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Example 1
As shown in fig. 1, the soil ph value detection method based on the GPRS wireless module of the present invention includes the following steps:
(1) the soil pH value detection device is started and obtains a soil sample for detection.
This soil pH valve detection device is a part of whole detecting system, and the structure mainly includes solar cell panel, stand-by battery, storage battery, water-collecting device, water distillation plant, soil collection mechanical device, PH meter, and the PH meter mainly includes a reference electrode, a glass electrode, an ammeter. The solar cell panel is used for supplying energy for the whole system, the solar energy is used for providing electric energy for the system, and the converted electric energy is stored in the storage battery. In order to ensure the normal power supply, the device is provided with a standby battery which can be started when the solar energy is insufficient. The water collecting device is used for collecting water vapor in the air and providing a water source for preparing the soil solution, and the water distilling device is used for ensuring the purity of the water source without impurities and introducing foreign elements. Soil collection mechanical device is used for gathering soil sample, but automatic acquisition after receiving the start command, and the sample is deposited in the apotheca and waits to use. The PH meter belongs to an electrochemical analysis instrument and is used for measuring the concentration of hydrogen ions based on the principle of a potential analysis method. The potential analysis method is to measure the electrode potential E of the chemical primary cell, calculate the concentration of ion to be measured in the solution with the nernst equation, and the chemical primary cell is a device which converts the chemical energy into electric energy by means of oxidation-reduction reaction, and is composed of a positive electrode and a negative electrode, and the middle is a KCl salt bridge communication circuit.
(2) The MSP430 single chip microcomputer is used for simply analyzing the detection data in advance and judging whether the data are reasonable or not.
The MSP430 single chip microcomputer is an ultra-low power consumption single chip microcomputer and is a control center of the whole system, data preprocessing is carried out at the position, if a problem occurs, the MSP430 single chip microcomputer can also directly communicate with the GPRS wireless module through a serial port to send out an early warning short message or a prompt message to a user side, GPRS remote transmission data is also carried out by instructions provided by the single chip microcomputer, the start, the dormancy and the close of the soil pH value detection device are also set by the single chip microcomputer and can be set in advance, and the data can also be changed at any time through the GPRS.
(3) And sending the detection data to a cloud server through a GPRS wireless module.
The GPRS radio module needs to be debugged in advance, a SIM card is used, and a server is prepared and operated by using the following instructions:
AT + CSTT (APN is set, APN of mobile is "cmnet", Unicom is "3 gnet")
AT+CSTT=“APN”，“user name”，“password”
AT + CIICR (active mobile scene)
AT + CIFSR (obtain local IP)
AT + CIPSUTT (establishing TCP/IP connection)
AT + CIPSND (issue instruction)
The cloud server is built by adopting a raspberry pie, and a MySQ L database is installed in the built server to manage the data.
(4) The detection data, the data curve graph, the histogram and the pie chart in a period of time are embodied on the user mobile phone APP, and cloud monitoring is completed.
The mobile phone APP is developed by an Android Studio development platform, the APP is associated with a database, data transmitted remotely are obtained, the pH value of soil and the data curve graph, the bar graph and the sector graph of one month, half year and all year are displayed through a GUI interface, and a user can visually know the current soil condition conveniently to make corresponding plan measures. Meanwhile, the APP is provided with a positioning function, a mode setting function and an information prompting function. The positioning function helps a user to quickly acquire soil data of a certain place. The mode setting function can control whether the soil detection device works or not by the mobile phone, and whether data are transmitted continuously or not. The information prompting function is to highlight abnormal data, firstly attract the attention of a user to play a role of focusing attention, and prompt the user how long the online monitoring time is and how long the non-monitoring time is.
Example 2
A soil ph detection system comprising: the system comprises a soil pH value detection device, an MSP430 single chip microcomputer, a GPRS wireless module, a cloud server and a mobile phone APP;
the soil pH value detection device is started, a soil sample is obtained for detection, detection data of the soil sample are obtained, and the detection data are uploaded to the MSP430 single chip microcomputer;
the MSP430 single chip microcomputer is used for preprocessing the detection data, judging whether the detection data are within a reasonable range or not, and sending prompt and early warning to a user side according to a judgment result; the detection data is sent to a cloud server through a GPRS wireless module to be stored;
the mobile phone APP acquires detection data from the cloud server, and forms a data curve graph, a histogram and a sector graph in a period of time through a GUI (graphical user interface) based on the detection data, and the data curve graph, the histogram and the sector graph are embodied on the mobile phone APP of the user to complete cloud monitoring.
In some embodiments, the soil pH detection system further comprises a GPS positioning module, wherein the GPS positioning module is installed on the soil pH detection device and interacts with the mobile phone APP information; can fix a position the check point of each soil pH valve detection device on the cell-phone APP, observe the detection data of different check points.
In some embodiments, the soil PH detection device comprises a soil collection mechanism, a PH meter, the soil collection mechanism is used for collecting a soil sample; the PH meter comprises a reference electrode, a glass electrode and an ammeter.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (8)
1. A soil pH value detection method is characterized by comprising the following steps:
(1) the soil pH value detection device is started, a soil sample is obtained for detection, detection data of the soil sample are obtained and are uploaded to the MSP430 single chip microcomputer;
(2) the MSP430 single chip microcomputer is used for preprocessing the detection data, judging whether the detection data are within a reasonable range or not, and sending prompt and early warning to a user side according to a judgment result;
(3) sending the detection data to a cloud server through a GPRS wireless module for storage;
(4) the mobile phone APP acquires detection data from the cloud server, and forms a data curve graph, a histogram and a sector graph in a period of time through a GUI (graphical user interface) based on the detection data, and the data curve graph, the histogram and the sector graph are embodied on the mobile phone APP of the user to complete cloud monitoring.
2. The method according to claim 1, wherein in the step (1), the soil pH value detecting device is a device which uses a mechanical device to extend to a detection ground to draw a certain amount of soil sample, then dilutes the soil sample to obtain the soil component solution, and detects the soil component solution by using a pH meter built in the device, thereby obtaining the soil pH value data.
3. The method according to claim 1, wherein in step (3), based on the original GPRS wireless transmission module, the IP address of the data remote transmission is mapped to the newly created cloud server, so as to realize peer-to-peer transmission of the data to the cloud server.
4. The method according to claim 1, wherein in step (3), the cloud server is built from a raspberry pi, and a MySQ L database is installed on the raspberry pi to facilitate management and processing of data.
5. The method as claimed in claim 1, wherein in step (4), the mobile phone APP is developed by using an android studio platform, and the mobile phone APP acquires detection data from a cloud server to form a data curve which visually reflects the soil ph.
6. A soil pH value detecting system is characterized by comprising: the system comprises a soil pH value detection device, an MSP430 single chip microcomputer, a GPRS wireless module, a cloud server and a mobile phone APP;
the soil pH value detection device is started, a soil sample is obtained for detection, detection data of the soil sample are obtained, and the detection data are uploaded to the MSP430 single chip microcomputer;
the MSP430 single chip microcomputer is used for preprocessing the detection data, judging whether the detection data are within a reasonable range or not, and sending prompt and early warning to a user side according to a judgment result; the detection data is sent to a cloud server through a GPRS wireless module to be stored;
the mobile phone APP acquires detection data from the cloud server, and forms a data curve graph, a histogram and a sector graph in a period of time through a GUI (graphical user interface) based on the detection data, and the data curve graph, the histogram and the sector graph are embodied on the mobile phone APP of the user to complete cloud monitoring.
7. The soil pH detection system of claim 6, further comprising a GPS positioning module, wherein the GPS positioning module is installed on the soil pH detection device and interacts with the mobile phone APP information; can fix a position the check point of each soil pH valve detection device on the cell-phone APP, observe the detection data of different check points.
8. The soil pH detection system of claim 6, wherein the soil pH detection device comprises a soil collection mechanism, a pH meter, the soil collection mechanism is used for collecting soil samples; the PH meter comprises a reference electrode, a glass electrode and an ammeter.
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