CN105993858A - Automatic irrigation control system - Google Patents
Automatic irrigation control system Download PDFInfo
- Publication number
- CN105993858A CN105993858A CN201610529334.7A CN201610529334A CN105993858A CN 105993858 A CN105993858 A CN 105993858A CN 201610529334 A CN201610529334 A CN 201610529334A CN 105993858 A CN105993858 A CN 105993858A
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- CN
- China
- Prior art keywords
- pin
- pole
- voltage stabilizing
- chip
- audion
- Prior art date
- 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
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G25/00—Watering gardens, fields, sports grounds or the like
- A01G25/16—Control of watering
- A01G25/167—Control by humidity of the soil itself or of devices simulating soil or of the atmosphere; Soil humidity sensors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/22—Improving land use; Improving water use or availability; Controlling erosion
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Environmental Sciences (AREA)
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The invention discloses an automatic irrigation control system. The automatic irrigation control system is characterized by mainly consisting of a control chip U3, a diode D2, a detection probe Q1, a detection probe Q2, a resistor R2 which is serially connected between the detection probe Q1 and a pole P of the diode D2, a resistor R1 which is serially connected between the detection probe Q1 and a VIN pin of the control chip U3, and the like. According to the automatic irrigation control system disclosed by the invention, an A6210 integrated chip is adopted to serve as a control chip and is combined with a logic gate for controlling a water pump. Compared with a traditional system adopting a mechanical switch to control, the automatic irrigation control system disclosed by the invention has the advantages that the false action rate is lower, and the water pump can be more accurately controlled to work.
Description
Technical field
The present invention relates to automation field, specifically refer to a kind of automatic irrigating control system.
Background technology
The application of modern agricultural technology brings huge economy, society and ecological benefits for society.Along with
The development of society, the consciousness of people's water saving gradually strengthens, and in order to reach the purpose of water saving, people generally use
Automatic irrigating control system controls water pump and irrigates crops, to improve irrigation water efficiency.But,
Agricultural irrigation at present there is also certain problem, the i.e. control accuracy of its automatic irrigating control system used relatively
Low, it is impossible to control pump working accurately, do not reach the requirement of people.
Summary of the invention
It is an object of the invention to solve the defect that the control accuracy of current automatic irrigating control system is low, it is provided that
A kind of automatic irrigating control system.
The purpose of the present invention is by following technical proposals reality: a kind of automatic irrigating control system, mainly by controlling
Coremaking sheet U3, diode D2, detection probe Q1, detection probe Q2, it is serially connected in detection probe Q1 and two
Resistance R2 between the P pole of pole pipe D2, is serially connected in the VIN pin of detection probe Q1 and control chip U3
Between resistance R1, N pole be connected with detection probe Q1, the TON pin of P pole and control chip U3
The diode D1 being connected, positive pole is connected with the BOOT pin of control chip U3, negative pole and control core
The electric capacity C4 that the LX pin of sheet U3 is connected, is serially connected in NC pin and the GND pipe of control chip U3
Resistance R3 between foot, the power circuit being connected with the N pole of diode D2, and it is serially connected in power supply electricity
On-off circuit composition between the LX pin of road and control chip U3；The ISEN of described control chip U3
Pin is connected with detection probe Q2, its GND pin ground connection.
Further, described power circuit is by transformator T, diode rectifier U, voltage stabilizing chip U1, surely
Pressure chip U2, positive pole is connected with the IN pin of voltage stabilizing chip U1, negative pole and diode rectifier U
The electric capacity C1 that cathode output end is connected, positive pole is connected with the OUT pin of voltage stabilizing chip U1, negative pole connects
The electric capacity C2 on ground, and positive pole is connected with the OUT pin of voltage stabilizing chip U2, the electric capacity of minus earth
C3 forms；The OUT pin of described voltage stabilizing chip U1 is also connected with the N pole of diode D2, its GND
Pin ground connection；The OUT pin of described voltage stabilizing chip U2 is also connected with on-off circuit, its GND pin
Ground connection, its IN pin then cathode output end with diode rectifier U is connected；Described diode rectifier
The cathode output end ground connection of U；The input of described diode rectifier U is electric with the secondary of transformator T respectively
The Same Name of Ends of sense coil is connected with non-same polarity；The former limit inductance coil of described transformator T is defeated as power supply
Enter end.
Described on-off circuit is by NAND gate A1, NAND gate A2, audion VT1, audion VT2, water pump
M, the resistance R6 being serially connected between the outfan of NAND gate A1 and the base stage of audion VT1, be serially connected in
The negative pole of the resistance R5 between negative pole and the outfan of NAND gate A2 of not gate A1, one end and NAND gate A2
Be connected, the resistance R4 of other end ground connection, be serially connected in the colelctor electrode of audion VT1 and voltage stabilizing chip U2
Relay K between OUT pin, and positive pole is connected with the emitter stage of audion VT1, negative pole and three
The electric capacity C5 composition that the colelctor electrode of pole pipe VT2 is connected；The positive pole of described NAND gate A2 and control chip
The LX pin of U3 is connected, its outfan is connected with the base stage of audion VT2；Described audion VT2
Grounded emitter；The plus earth of described NAND gate A1, its outfan are connected with the positive pole of NAND gate A2
Connect；The normally opened contact K-1 of described relay K is then serially connected on the power supply main line of water pump.
Described voltage stabilizing chip U1 and voltage stabilizing chip U2 is 7809 voltage stabilizing chips, and described control chip U3 is
The integrated chip of A6210.
The present invention compared with prior art has the following advantages and beneficial effect:
(1) present invention uses the integrated chip of A6210 as control chip, and combines gate and carries out water pump
Controlling, compare traditional control system and use mechanical switch to control, the misoperation rate of the present invention is lower,
Pump working can be controlled more accurately.
(2) present invention has stable working power, improves the stability of the present invention greatly.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the present invention.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not
It is limited to this.
Embodiment
As it is shown in figure 1, the present invention is mainly by control chip U3, diode D2, detection probe Q1, detection
Probe Q2, is serially connected in the resistance R2 between the P pole of detection probe Q1 and diode D2, is serially connected in detection
Probe Q1 and the VIN pin of control chip U3 between resistance R1, N pole be connected with detection probe Q1,
The diode D1 that P pole is connected with the TON pin of control chip U3, positive pole is with control chip U3's
The electric capacity C4 that BOOT pin is connected, negative pole is connected with the LX pin of control chip U3, is serially connected in
Resistance R3 between NC pin and the GND pin of control chip U3, is extremely connected with the N of diode D2
The power circuit connect, and it is serially connected in the on-off circuit between the LX pin of power circuit and control chip U3
Composition.The ISEN pin of described control chip U3 is connected with detection probe Q2, its GND pin ground connection.
In order to preferably implement the present invention, the described control chip U3 integrated chip of preferred A6210 realizes.
Wherein, this power circuit is by transformator T, diode rectifier U, voltage stabilizing chip U1, voltage stabilizing chip
U2, electric capacity C1, electric capacity C2 and electric capacity C3 form.
During connection, the positive pole of electric capacity C1 is connected with the IN pin of voltage stabilizing chip U1, its negative pole and two poles
The cathode output end of pipe commutator U is connected.The positive pole of electric capacity C2 and the OUT pin of voltage stabilizing chip U1
Be connected, its minus earth.The positive pole of electric capacity C3 is connected with the OUT pin of voltage stabilizing chip U2, it
Minus earth.
Meanwhile, the OUT pin of described voltage stabilizing chip U1 be also connected with the N pole of diode D2, its GND
Pin ground connection.The OUT pin of described voltage stabilizing chip U2 is also connected with on-off circuit, its GND pin
Ground connection, its IN pin then cathode output end with diode rectifier U is connected.Described diode rectifier
The cathode output end ground connection of U.The input of described diode rectifier U is electric with the secondary of transformator T respectively
The Same Name of Ends of sense coil is connected with non-same polarity.The former limit inductance coil of described transformator T is defeated as power supply
Enter end and connect 220V civil power.In order to preferably implement the present invention, described voltage stabilizing chip U1 and voltage stabilizing chip U2
7809 voltage stabilizing chips are all used to realize.
It addition, described on-off circuit is by NAND gate A1, NAND gate A2, audion VT1, audion VT2,
Water pump M, resistance R4, resistance R5, resistance R6, electric capacity C5 and relay K composition.
During connection, resistance R6 is serially connected between the outfan of NAND gate A1 and the base stage of audion VT1.Electricity
Resistance R5 is serially connected between the negative pole of NAND gate A1 and the outfan of NAND gate A2.One end of resistance R4 with
The negative pole of not gate A2 is connected, its other end ground connection.Relay K is serially connected in the colelctor electrode of audion VT1
And between the OUT pin of voltage stabilizing chip U2.The positive pole of electric capacity C5 is connected with the emitter stage of audion VT1
Connect, its negative pole is connected with the colelctor electrode of audion VT2.
The positive pole of described NAND gate A2 is connected with the LX pin of control chip U3, its outfan and three poles
The base stage of pipe VT2 is connected.The grounded emitter of described audion VT2；The positive pole of described NAND gate A1
Ground connection, its outfan are connected with the positive pole of NAND gate A2.The normally opened contact K-1 of described relay K is then
It is serially connected on the power supply main line of water pump M.
During work, detection probe Q1 and detection probe Q2 are inserted in soil, and make detection probe Q1 and inspection
Probing head Q2 is at a distance of 1～2mm.When soil moisture reaches established standards, detection probe Q1 and detection probe
Resistance between Q2 diminishes, the LX pin of control chip U3 output high level, NAND gate A1 and with
Not gate A2 then output low level, audion VT1 and audion VT2 cut-off, at this moment relay K must not electricity
Its normally opened contact keeps continuing out, and water pump M does not works.When soil moisture reduces, detection probe Q1 and inspection
Resistance between probing head Q2 increases, the LX pin output low level of control chip U3, NAND gate A1
Then exporting high level with NAND gate A2 and make audion VT1 and audion VT2 conducting, at this moment relay K obtains
Electricity its normally opened contact Guan Bi, water pump M starts working.
The present invention uses the integrated chip of A6210 as control chip, and combines gate and is controlled water pump,
Comparing traditional control system uses mechanical switch to control, and the misoperation rate of the present invention is lower, it is possible to more
Control pump working accurately.
As it has been described above, just can well realize the present invention.
Claims (4)
1. an automatic irrigating control system, it is characterised in that: main by control chip U3, diode D2,
Detection probe Q1, detection probe Q2, it is serially connected in the electricity between the P pole of detection probe Q1 and diode D2
Resistance R2, resistance R1, the N pole being serially connected between the VIN pin of detection probe Q1 and control chip U3 with
The diode D1 that detection probe Q1 is connected, P pole is connected with the TON pin of control chip U3, just
Pole is connected with the BOOT pin of control chip U3, negative pole is connected with the LX pin of control chip U3
Electric capacity C4, the resistance R3 being serially connected between the NC pin of control chip U3 and GND pin, with two
The power circuit that the N pole of pole pipe D2 is connected, and it is serially connected in power circuit and the LX of control chip U3
On-off circuit composition between pin；The ISEN pin of described control chip U3 is connected with detection probe Q2
Connect, its GND pin ground connection.
A kind of automatic irrigating control system the most according to claim 1, it is characterised in that: described power supply
Electricity routing transformer T, diode rectifier U, voltage stabilizing chip U1, voltage stabilizing chip U2, positive pole and voltage stabilizing core
The electric capacity C1 that the IN pin of sheet U1 is connected, negative pole is connected with the cathode output end of diode rectifier U,
Positive pole is connected with the OUT pin of voltage stabilizing chip U1, the electric capacity C2 of minus earth, and positive pole and voltage stabilizing
The OUT pin of chip U2 is connected, the electric capacity C3 of minus earth composition；Described voltage stabilizing chip U1's
OUT pin is also connected with the N pole of diode D2, its GND pin ground connection；Described voltage stabilizing chip U2
OUT pin be also connected with on-off circuit, its GND pin ground connection, its IN pin then whole with diode
The cathode output end of stream device U is connected；The cathode output end ground connection of described diode rectifier U；Described two
The input of pole pipe commutator U respectively with Same Name of Ends and the non-same polarity phase of the secondary inductance coil of transformator T
Connect；The former limit inductance coil of described transformator T is as power input.
A kind of automatic irrigating control system the most according to claim 2, it is characterised in that: described switch
Circuit by NAND gate A1, NAND gate A2, audion VT1, audion VT2, water pump M, be serially connected in
Resistance R6 between outfan and the base stage of audion VT1 of not gate A1, is serially connected in the negative of NAND gate A1
Resistance R5 between pole and the outfan of NAND gate A2, one end is connected with the negative pole of NAND gate A2, another
The resistance R4 of end ground connection, be serially connected in the colelctor electrode of audion VT1 and voltage stabilizing chip U2 OUT pin it
Between relay K, and positive pole is connected with the emitter stage of audion VT1, negative pole and audion VT2
The electric capacity C5 composition that colelctor electrode is connected；The LX pipe of the positive pole of described NAND gate A2 and control chip U3
Foot is connected, its outfan is connected with the base stage of audion VT2；The emitter stage of described audion VT2 connects
Ground；The plus earth of described NAND gate A1, its outfan are connected with the positive pole of NAND gate A2；Described continue
The normally opened contact K-1 of electrical equipment K is then serially connected on the power supply main line of water pump.
A kind of automatic irrigating control system the most according to claim 3, it is characterised in that: described voltage stabilizing
Chip U1 and voltage stabilizing chip U2 is 7809 voltage stabilizing chips, and described control chip U3 is the integrated core of A6210
Sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610529334.7A CN105993858A (en) | 2016-07-06 | 2016-07-06 | Automatic irrigation control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610529334.7A CN105993858A (en) | 2016-07-06 | 2016-07-06 | Automatic irrigation control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105993858A true CN105993858A (en) | 2016-10-12 |
Family
ID=57107706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610529334.7A Pending CN105993858A (en) | 2016-07-06 | 2016-07-06 | Automatic irrigation control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105993858A (en) |
-
2016
- 2016-07-06 CN CN201610529334.7A patent/CN105993858A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20161012 |
|
| WD01 | Invention patent application deemed withdrawn after publication |