CN106527259A - Field crop irrigation amount decision making system - Google Patents
Field crop irrigation amount decision making system Download PDFInfo
- Publication number
- CN106527259A CN106527259A CN201610945495.4A CN201610945495A CN106527259A CN 106527259 A CN106527259 A CN 106527259A CN 201610945495 A CN201610945495 A CN 201610945495A CN 106527259 A CN106527259 A CN 106527259A
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- CN
- China
- Prior art keywords
- humidity sensor
- microprocessor
- field crop
- crop irrigation
- power supply
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The invention relates to the technical field of irrigation control systems, particularly to a field crop irrigation amount decision making system. The system includes a humidity sensor and a microprocessor, the humidity sensor is connected with a sensor work instruction unit, the output end of the humidity sensor is connected with the input end of an A/D converter, and the output end of the A/D converter is connected with the input end of the microprocessor; and the output end of the microprocessor is connected with the control end of a relay, and the output end of the relay, a power supply and an execution mechanism form a series loop. After adoption of the abovementioned structure, the field crop irrigation amount decision making system provided by the invention can detect whether work of the humidity sensor is normal through the sensor work instruction unit, and thus the accuracy of detection of the humidity sensor can be improved; and in addition, the power supply and the processor can be separated through the relay, thereby improving operation safety.
Description
Technical field
The present invention relates to irrigation control system technical field, particularly a kind of field crop irrigation quantity decision system.
Background technology
Irrigate, what is referred to is exactly to use irrigated land.With the development of production technology, existing irrigation system is from manually irrigating
The irrigation system of mechanical automation is evolved as, so as to reduce the labor intensity of workman, irrigation efficiency is improve, it is ensured that
Irrigate crops normally to produce.All it is that water pump is directly connected to water source in existing automatic irrigation system, then works as irrigation
When crops need to be irrigated, irrigation system can send signals to irrigate crops automatically, but can sometimes occur
The situation that water source is cut off the water supply suddenly, such words irrigation system cannot normally complete the irrigation to crops, the crops for being
Cannot get enough water, have impact on the growing environment of crops, the yield reduction of the crops for being, it is impossible to meet normal need
Ask.
104082103 A of Chinese invention patent application CN discloses automatic irrigation system, can cut off the water supply in water source soil
In the case of, poured water by alternate source automatically, it is ensured that crop irrigation is normally carried out so that crops need water
Amount farthest can be met, and improve irrigation efficiency, it is ensured that the yield of crops, be conducive to carrying out on a large scale
Promotion and application；But, the humidity that this invention accurately obtains soil is not accurate enough, easily causes the waste of irrigation.
The content of the invention
The technical problem to be solved in the invention is a kind of accurate field crop irrigation quantity decision-making system of offer Humidity Detection
System.
For solve above-mentioned technical problem, the field crop irrigation quantity decision system of the present invention, including humidity sensor and
Microprocessor, the humidity sensor are connected with working sensor indicating member, and the humidity sensor outfan is turned with A/D
Parallel operation input is connected, and the A/D converter outfan is connected with microprocessor input；The output end of microprocessor
It is connected with Control end, the relay output end forms series loop with power supply, actuator.
Further, the A/D converter input is also connected with optical sensor.
Further, between the Control end and power supply V1, reversal connection has diode D4.
Further, the working sensor indicating member includes comparator LM324, No. 9 pipes of the comparator LM324
Foot is connected with humidity sensor, and power supply V1 passes through resistance R4 and slide rheostat RP1 series connection bleeder circuit ground connection, the slip
The sliding end of rheostat RP1 is connected with No. 10 pins of comparator LM324；No. 8 pipes of the 3rd comparators of comparator LM324
Foot is connected with audion Q1 base stages by resistance R6, the audion Q1 grounded emitters, the audion Q1 colelctor electrodes with
1 negative electrode of LED connects, and 1 anode of the LED is connected with power supply V1 by resistance R5.
Further, the microprocessor is connected with host computer by serial line interface.
After said structure, the field crop irrigation quantity decision system of the present invention can by working sensor indicating member
It is whether normal with the work for detecting humidity sensor, can so improve the accuracy of humidity sensor detection；In addition, by after
Electrical equipment can separate by processor of power supply, improve the safety of operation.
Description of the drawings
The present invention is further detailed explanation with reference to the accompanying drawings and detailed description.
Fig. 1 is the structured flowchart of field crop irrigation quantity decision system of the present invention.
Fig. 2 is the circuit theory diagrams of microprocessor of the present invention.
Fig. 3 is the circuit theory diagrams of inventive sensor work indicating member.
Fig. 4 is the control circuit schematic diagram of actuator of the present invention.
In figure：1 is humidity sensor, and 2 is optical sensor, and 3 is working sensor indicating member, and 4 is A/D converter, 5
For microprocessor, 6 is serial line interface, and 7 is host computer, and 8 is relay, and 9 is power supply, and 10 is actuator
Specific embodiment
As shown in figure 1, the field crop irrigation quantity decision system of the present invention, including humidity sensor 1 and microprocessor 5,
The humidity sensor 1 is connected with working sensor indicating member 3,1 outfan of the humidity sensor and A/D converter 4
Input is connected, and 4 outfan of the A/D converter is connected with 5 input of microprocessor；5 outfan of the microprocessor
It is connected with 8 control end of relay, 8 outfan of the relay forms series loop with power supply 9, actuator 10.
As shown in Fig. 2 in present embodiment, the single-chip microcomputer STC89C52RC that the microprocessor 5 is adopted, this monolithic body
Product little, power consumption it is low, can be reliable and stable with external battery power supply；After connecting each module formation system, can be with holistic management family
Electrical system, integration are strong；Various induction apparatuss can be extended with self-defined excuse in addition, autgmentability is strong.In figure, V1 is+5V, to list
Piece machine is powered, and No. 9 pins of single-chip microcomputer connect reset circuit, and in the reset circuit, C5 is 0.1 μ F, and R11 is 10K；Single-chip microcomputer
18 and No. 19 pins connect the crystal oscillator of 12M.
Further, 4 input of the A/D converter is also connected with optical sensor 2.
Further, between 8 control end of the relay and power supply V1, reversal connection has diode D4.
Further, the working sensor indicating member 3 includes comparator LM324, No. 9 of the comparator LM324
Pin is connected with humidity sensor, and power supply V1 passes through resistance R4 and slide rheostat RP1 series connection bleeder circuit ground connection, the cunning
The sliding end of dynamic rheostat RP1 is connected with No. 10 pins of comparator LM324；No. 8 of the 3rd comparators of comparator LM324
Pin is connected with audion Q1 base stages by resistance R6, the audion Q1 grounded emitters, the audion Q1 colelctor electrodes
It is connected with 1 negative electrode of LED, 1 anode of the LED is connected with power supply V1 by resistance R5.Work as humidity
When the work of sensor is abnormal, No. 9 pin input low levels of the 3rd comparator of comparator LM324, the 8 of the 3rd comparator
Number pin output high level, audion Q1 conductings, LED 1 are turned on, and indicate the detection failure of humidity sensor 1.
Further, for the ease of uploading data to host computer 7, the microprocessor 5 passes through serial line interface 6 and host computer
7 are connected.
Although the foregoing describing the specific embodiment of the present invention, those skilled in the art should be appreciated that this
It is merely illustrative of, various changes or modifications can be made to present embodiment, without departing from the principle and essence of the present invention,
Protection scope of the present invention is only limited by the claims that follow.
Claims (5)
1. a kind of field crop irrigation quantity decision system, including humidity sensor and microprocessor, it is characterised in that：The humidity
Sensor is connected with working sensor indicating member, and the humidity sensor outfan is connected with A/D converter input,
The A/D converter outfan is connected with microprocessor input；The output end of microprocessor and Control end phase
Connection, the relay output end form series loop with power supply, actuator.
2. according to the field crop irrigation quantity decision system described in claim 1, it is characterised in that：The A/D converter input
End is also connected with optical sensor.
3. according to the field crop irrigation quantity decision system described in claim 1, it is characterised in that：The Control end with
Reversal connection between power supply V1 has diode D4.
4. according to the field crop irrigation quantity decision system described in claim 1, it is characterised in that：The working sensor is indicated
Unit includes comparator LM324, and No. 9 pins of the comparator LM324 are connected with humidity sensor, and power supply V1 passes through resistance
R4 and slide rheostat RP1 series connection bleeder circuit ground connection, the sliding end of the slide rheostat RP1 and the 10 of comparator LM324
The connection of number pin；No. 8 pins of the 3rd comparators of comparator LM324 are connected with audion Q1 base stages by resistance R6,
The audion Q1 grounded emitters, the audion Q1 colelctor electrodes are connected with 1 negative electrode of LED, and described luminous two
Pole pipe LED1 anode is connected with power supply V1 by resistance R5.
5. according to the field crop irrigation quantity decision system described in claim 1, it is characterised in that：The microprocessor is by string
Line interface is connected with host computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610945495.4A CN106527259A (en) | 2016-10-26 | 2016-10-26 | Field crop irrigation amount decision making system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610945495.4A CN106527259A (en) | 2016-10-26 | 2016-10-26 | Field crop irrigation amount decision making system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106527259A true CN106527259A (en) | 2017-03-22 |
Family
ID=58293296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610945495.4A Pending CN106527259A (en) | 2016-10-26 | 2016-10-26 | Field crop irrigation amount decision making system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106527259A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8565927B1 (en) * | 2009-02-03 | 2013-10-22 | Green Badge LLC | Irrigation interrupter |
| CN103473895A (en) * | 2013-09-10 | 2013-12-25 | 江苏省常州技师学院 | Harmful gas remote alarm system |
| CN204423213U (en) * | 2015-03-18 | 2015-06-24 | 河南科技学院 | A kind of agriculture automated management system based on Internet of Things |
| CN204811333U (en) * | 2015-07-28 | 2015-12-02 | 金柏生态环境股份有限公司 | Landscape plant intelligence irrigation equipment |
-
2016
- 2016-10-26 CN CN201610945495.4A patent/CN106527259A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8565927B1 (en) * | 2009-02-03 | 2013-10-22 | Green Badge LLC | Irrigation interrupter |
| CN103473895A (en) * | 2013-09-10 | 2013-12-25 | 江苏省常州技师学院 | Harmful gas remote alarm system |
| CN204423213U (en) * | 2015-03-18 | 2015-06-24 | 河南科技学院 | A kind of agriculture automated management system based on Internet of Things |
| CN204811333U (en) * | 2015-07-28 | 2015-12-02 | 金柏生态环境股份有限公司 | Landscape plant intelligence irrigation equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170322 |
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| RJ01 | Rejection of invention patent application after publication |