CN103837661A - Soil moisture content detection system based on singlechip - Google Patents
Soil moisture content detection system based on singlechip Download PDFInfo
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- CN103837661A CN103837661A CN201210488162.5A CN201210488162A CN103837661A CN 103837661 A CN103837661 A CN 103837661A CN 201210488162 A CN201210488162 A CN 201210488162A CN 103837661 A CN103837661 A CN 103837661A
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- soil moisture
- chip microcomputer
- soil
- detection system
- singlechip
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Abstract
The invention discloses a soil moisture content detection system based on a singlechip. The soil moisture content detection system comprises a moisture sensor inserted into soil and used for detecting moisture of soil, an amplification circuit connected with the moisture sensor and used for amplifying an output signal of the moisture sensor, a singlechip connected with the amplification circuit, and a battery power supply used for supplying power to each power utilization unit in the system, wherein the input end of the singlechip is connected with a keyboard, the output end of the singlechip is connected with a display screen used for displaying the content of water in soil and an external storage used for storing the content of the water in the soil, the display screen comprises a display line I used for displaying the content of the water in the soil and a display line II used for displaying the electric quantity of the battery power supply, the singlechip is connected and communicated with an upper computer used for drawing a test curve or diagram after further processing the content of the water in the soil via a communication interference circuit, the upper computer is connected with a display and a printer, and the singlechip adopts a chip PIC16C74. The soil moisture content detection system based on the singlechip is simple in circuit and excellent in performance.
Description
Technical field
The present invention relates to a kind of dust humidity detection system, particularly relate to a kind of SCM Based soil moisture detection system.
Background technology
Along with the continuous progress of socioeconomic development and science and technology, many fields all need in time to measure humidity and the soil moisture content of surrounding environment, as in agricultural in order scientifically soil to be managed, need the water cut of frequent testing soil; In hydraulic engineering, as also needed frequent testing soil water cut on hydrometric station, dykes and dams; In addition, soil humidity measuring indispensable measure the item especially in environmental protection, meteorology, national defense construction designs a kind of dust humidity detection system particularly important for this reason.
Summary of the invention
The object of the invention is to overcome above-mentioned deficiency of the prior art, a kind of SCM Based soil moisture detection system is provided.This SCM Based soil moisture detection system circuit is simple, function admirable.
For achieving the above object, the technical solution used in the present invention is: a kind of SCM Based soil moisture detection system, it is characterized in that: comprise and insert the humidity sensor for detection of soil moisture in soil, join with humidity sensor and for humidity sensor output signal being amplified to the amplifying circuit of processing and the single-chip microcomputer joining with amplifying circuit and the battery supply for the each power unit power supply of system, the input end of described single-chip microcomputer is connected to keyboard, the output terminal of described single-chip microcomputer is connected to display screen for showing soil moisture content and for storing the external storage of soil moisture content, described display screen comprises display line one for showing soil moisture content and for showing the display line two of battery supply electric weight, described single-chip microcomputer is joined and is communicated by communication interface circuit and the host computer of drawing test curve or chart for described soil moisture content is done after further processing, described host computer is connected to display for showing test curve or chart and for printing the printer of described test curve or chart, described single-chip microcomputer adopts chip PICl6C74.
The SCM Based soil moisture detection system of above-mentioned one, is characterized in that: the input end of described single-chip microcomputer is also connected to and is used to single-chip microcomputer that the clock circuit of reference time is provided.
The SCM Based soil moisture detection system of above-mentioned one, is characterized in that: the input end of described single-chip microcomputer is also connected to the reset circuit for making system reset.
The SCM Based soil moisture detection system of above-mentioned one, is characterized in that: described communication interface circuit is RS232 interface circuit.
The present invention compared with prior art has the following advantages:
1, circuit is simple, and function admirable is easy to carry: the present invention selects PICl6C74 single-chip microcomputer, low in energy consumption, only can work long hours by powered battery, and peripheral components is few, has very strong function, function admirable.
2, extensibility: the present invention only needs more emat sensor and change control software, just can expand in the Test Application of other environmental parameters, and it all can be applied in many fields such as agricultural, Hydrology, environmental protection, meteorologies.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Accompanying drawing explanation
Fig. 1 is schematic block circuit diagram of the present invention.
Description of reference numerals:
1-humidity sensor; 2-amplifying circuit; 3-battery supply;
4-external storage; 5-communication interface circuit; 6-host computer;
7-display; 8-printer; 9-display screen;
10-single-chip microcomputer; 11-clock circuit; 12-reset circuit;
13-keyboard.
Embodiment
The SCM Based soil moisture detection system of one as shown in Figure 1, comprise and insert the humidity sensor 1 for detection of soil moisture in soil, join with humidity sensor 1 and for humidity sensor 1 output signal being amplified to the amplifying circuit 2 of processing and the single-chip microcomputer 10 joining with amplifying circuit 2 and the battery supply 3 for the each power unit power supply of system, the input end of described single-chip microcomputer 10 is connected to keyboard 13, the output terminal of described single-chip microcomputer 10 is connected to display screen 9 for showing soil moisture content and for storing the external storage 4 of soil moisture content, described display screen 9 comprises display line one for showing soil moisture content and for showing the display line two of battery supply electric weight, described single-chip microcomputer 10 is joined and is communicated by communication interface circuit 5 and the host computer 6 of drawing test curve or chart for described soil moisture content is done after further processing, described host computer 6 is connected to display 7 for showing test curve or chart and for printing the printer 8 of described test curve or chart, described single-chip microcomputer 10 adopts chip PICl6C74.
In the present embodiment, preferred way is that the input end of described single-chip microcomputer 10 is also connected to and is used to single-chip microcomputer 10 that the clock circuit 11 of reference time is provided.The input end of described single-chip microcomputer 10 is also connected to the reset circuit 12 for making system reset.Described communication interface circuit 5 is RS 232 interface circuits.
The course of work of the present invention is: turn on the power switch, check battery electric quantity, if display screen 9 shows " H ", illustrative system is normally worked, if show, " L " needs to change battery, determine after the normal work of system, by after keyboard 13 input tests batch, humidity sensor 1 is directly inserted in soil to be measured, now display screen 9 can show test voltage and water cut in real time, the data meeting autostore of test is in External memory equipment, in order to transmitting and calling, if this batch of all data need be sent into host computer 6 is further processed, with the data line of RS 232 standard interfaces, system is connected with host computer 6, operation keyboard deposits data in host computer 6, then draw test curve, chart, and analyze, show, print and file.
The above; it is only preferred embodiment of the present invention; not the present invention is imposed any restrictions, every any simple modification, change and equivalent structure transformation of above embodiment being done according to the technology of the present invention essence, all still belongs in the protection domain of technical solution of the present invention.
Claims (4)
1. a SCM Based soil moisture detection system, it is characterized in that: comprise and insert the humidity sensor (1) for detection of soil moisture in soil, join with humidity sensor (1) and for humidity sensor (1) output signal being amplified to the amplifying circuit (2) of processing and the single-chip microcomputer (10) joining with amplifying circuit (2) and the battery supply (3) for the each power unit power supply of system, the input end of described single-chip microcomputer (10) is connected to keyboard (13), the output terminal of described single-chip microcomputer (10) is connected to display screen (9) for showing soil moisture content and for storing the external storage (4) of soil moisture content, described display screen (9) comprises display line one for showing soil moisture content and for showing the display line two of battery supply electric weight, described single-chip microcomputer (10) is joined and is communicated by communication interface circuit (5) and the host computer (6) of drawing test curve or chart for described soil moisture content is done after further processing, described host computer (6) is connected to display (7) for showing test curve or chart and for printing the printer (8) of described test curve or chart, described single-chip microcomputer (10) adopts chip PICl6C74.
2. the SCM Based soil moisture detection system of one according to claim 1, is characterized in that: the input end of described single-chip microcomputer (10) is also connected to and is used to single-chip microcomputer (10) that the clock circuit (11) of reference time is provided.
3. the SCM Based soil moisture detection system of one according to claim 1, is characterized in that: the input end of described single-chip microcomputer (10) is also connected to the reset circuit (12) for making system reset.
4. the SCM Based soil moisture detection system of one according to claim 1, is characterized in that: described communication interface circuit (5) is RS232 interface circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210488162.5A CN103837661A (en) | 2012-11-26 | 2012-11-26 | Soil moisture content detection system based on singlechip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210488162.5A CN103837661A (en) | 2012-11-26 | 2012-11-26 | Soil moisture content detection system based on singlechip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103837661A true CN103837661A (en) | 2014-06-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210488162.5A Pending CN103837661A (en) | 2012-11-26 | 2012-11-26 | Soil moisture content detection system based on singlechip |
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| CN (1) | CN103837661A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111351917A (en) * | 2018-12-24 | 2020-06-30 | 广州交投工程检测有限公司 | Quick detection device of moisture content |
| CN112067790A (en) * | 2020-09-16 | 2020-12-11 | 山东光测环境科技有限公司 | Intelligent soil remediation online monitoring system |
-
2012
- 2012-11-26 CN CN201210488162.5A patent/CN103837661A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111351917A (en) * | 2018-12-24 | 2020-06-30 | 广州交投工程检测有限公司 | Quick detection device of moisture content |
| CN112067790A (en) * | 2020-09-16 | 2020-12-11 | 山东光测环境科技有限公司 | Intelligent soil remediation online monitoring system |
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Application publication date: 20140604 |