CN106014949A - Automatic irrigation control system based on voltage compensation circuit - Google Patents
Automatic irrigation control system based on voltage compensation circuit Download PDFInfo
- Publication number
- CN106014949A CN106014949A CN201610527944.3A CN201610527944A CN106014949A CN 106014949 A CN106014949 A CN 106014949A CN 201610527944 A CN201610527944 A CN 201610527944A CN 106014949 A CN106014949 A CN 106014949A
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- China
- Prior art keywords
- pole
- pin
- diode
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
- F04B49/06—Control using electricity
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/12—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/21—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/217—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
-
- 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
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The invention discloses an automatic irrigation control system based on a voltage compensation circuit. 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 and resistors R2 connected between the detection probe Q1 and a P pole of the diode D2 in series. An integrated chip A6210 is used as the control chip and controls a water pump in combination with a logic gate. Compared with a traditional control system, the automatic irrigation control system adopting a mechanical switch in control has lower malfunction rate and can more accurately control the work of the water pump. The automatic irrigation control system can compensate voltage drop caused by wires or resistors, so that work voltage is more stable.
Description
Technical field
The present invention relates to automation field, specifically refer to a kind of automatic irrigation control based on voltage compensating circuit
System processed.
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 based on voltage compensating circuit.
The purpose of the present invention is by following technical proposals reality: a kind of automatic irrigation based on voltage compensating circuit
Control system, mainly by control chip U3, diode D2, detection probe Q1, detection probe Q2, concatenation
Resistance R2 between the P pole of detection probe Q1 and diode D2, is serially connected in detection probe Q1 and control
Resistance R1, N pole between the VIN pin of chip U3 is connected with detection probe Q1, P pole with control core
The diode D1 that the TON pin of sheet U3 is connected, positive pole is connected with the BOOT pin of control chip U3
Connect, electric capacity C4 that negative pole is connected with the LX pin of control chip U3, be serially connected in control chip U3's
Resistance R3 between NC pin and GND pin, the voltage compensation being connected with the N pole of diode D2 electricity
Road, the power circuit being connected with voltage compensating circuit, and it is serially connected in power circuit and control chip U3
On-off circuit composition between LX pin；The ISEN pin of described control chip U3 and detection probe Q2 phase
Connection, its GND pin ground connection.
Described voltage compensating circuit by amplifier P, audion VT3, negative pole after resistance R7 with amplifier P
The electric capacity C6 that negative pole is connected, positive pole is connected with the N pole of diode D2, positive pole and amplifier P's
Electric capacity C8, the P pole that negative pole is connected, negative pole is connected with the base stage of audion VT3 is defeated with amplifier P's
Go out the diode D4 that end is connected, N pole is connected, the resistance being in parallel with diode D4 with power circuit
R11, the electric capacity C7 that positive pole is connected with the negative pole of electric capacity C6, negative pole is connected with the outfan of amplifier P,
N pole ground connection, P pole is followed by the diode D3 of 15V voltage through resistance R10, is in parallel with diode D3
Potentiometer R9, and one end is connected with the positive pole of amplifier P, the control end of the other end and potentiometer R9
The resistance R8 composition being connected；The grounded emitter of described audion VT3, its colelctor electrode and amplifier P
Outfan be connected.
Described power circuit by transformator T, diode rectifier U, voltage stabilizing chip U1, voltage stabilizing chip U2,
Positive pole is connected with the IN pin of voltage stabilizing chip U1, the cathode output end phase of negative pole and diode rectifier U
The electric capacity C1 connected, positive pole is connected with the OUT pin of voltage stabilizing chip U1, the electric capacity C2 of minus earth,
And positive pole is connected with the OUT pin of voltage stabilizing chip U2, the electric capacity C3 of minus earth composition；Described
The OUT pin of voltage stabilizing chip U1 is also connected with the N pole of diode D4, its GND pin ground connection；Institute
The OUT pin stating voltage stabilizing chip U2 is also connected with on-off circuit, its GND pin ground connection, its IN pipe
Foot then cathode output end with diode rectifier U is connected；The negative pole output of described diode rectifier U
End ground connection；The input of described diode rectifier U of the same name with the secondary inductance coil of transformator T respectively
End is connected with non-same polarity；The former limit inductance coil of described transformator T is as power input.
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.
(3) present invention can compensate the voltage drop caused due to wire or the reason of resistance, makes the present invention's
Running voltage is more stable.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the present invention.
Fig. 2 is the structure chart of the voltage compensating circuit 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 voltage compensating circuit connect, the power circuit being connected with voltage compensating circuit, and it is serially connected in power circuit
And the on-off circuit composition between the LX pin of control chip U3；The ISEN pipe of described control chip U3
Foot is connected with detection probe Q2, its GND pin ground connection.In order to preferably implement the present invention, described control
The integrated chip of the preferred A6210 of coremaking sheet U3 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 voltage compensating circuit, 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.
As in figure 2 it is shown, described voltage compensating circuit is by amplifier P, audion VT3, resistance R7, resistance
R8, potentiometer R9, resistance R10, resistance R11, electric capacity C6, electric capacity C7, electric capacity C8, diode
D3 and diode D4 composition.
During connection, the negative pole of electric capacity C6 negative pole with amplifier P after resistance R7 is connected, its positive pole with
The N pole of diode D2 is connected.The positive pole of electric capacity C8 is connected with the negative pole of amplifier P, its negative pole with
The base stage of audion VT3 is connected.The P pole of diode D4 is connected with the outfan of amplifier P, it
N pole is connected with power circuit.Resistance R11 is in parallel with diode D4.The positive pole of electric capacity C7 and electric capacity
The negative pole of C6 is connected, its negative pole is connected with the outfan of amplifier P.The N pole ground connection of diode D3,
Its P pole is followed by 15V voltage through resistance R10.Potentiometer R9 is in parallel with diode D3.Resistance R8's
One end is connected with the positive pole of amplifier P, its other end is connected with the control end of potentiometer R9.Described three
The grounded emitter of pole pipe VT3, its colelctor electrode are connected with the outfan of amplifier P.
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 is the least, 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.The present invention can compensate the voltage drop caused due to wire or the reason of resistance,
The running voltage making the present invention is more stable.
As it has been described above, just can well realize the present invention.
Claims (5)
1. an automatic irrigating control system based on voltage compensating circuit, it is characterised in that: main by controlling
Chip U3, diode D2, detection probe Q1, detection probe Q2, it is serially connected in detection probe Q1 and two poles
Resistance R2 between the P pole of pipe D2, be serially connected in detection probe Q1 and control chip U3 VIN pin it
Between resistance R1, N pole be connected with detection probe Q1, the TON pin phase of P pole and control chip U3
The diode D1 connected, positive pole is connected with the BOOT pin of control chip U3, negative pole and control chip
The electric capacity C4 that the LX pin of U3 is connected, is serially connected in NC pin and the GND pin of control chip U3
Between resistance R3, the voltage compensating circuit being connected with the N pole of diode D2, with voltage compensating circuit
The power circuit being connected, and it is serially connected in the switch between the LX pin of power circuit and control chip U3
Circuit forms；The ISEN pin of described control chip U3 is connected with detection probe Q2, its GND pin
Ground connection.
A kind of automatic irrigating control system based on voltage compensating circuit the most according to claim 1, its
Be characterised by: described voltage compensating circuit by amplifier P, audion VT3, negative pole after resistance R7 with put
The electric capacity C6 that negative pole is connected, positive pole is connected with the N pole of diode D2 of big device P, positive pole and amplification
The negative pole of device P is connected, negative pole is connected with the base stage of audion VT3 electric capacity C8, P pole and amplifier
The diode D4 that the outfan of P is connected, N pole is connected with power circuit, is in parallel with diode D4
Resistance R11, positive pole is connected with the negative pole of electric capacity C6, negative pole is connected with the outfan of amplifier P
Electric capacity C7, N pole ground connection, P pole are followed by the diode D3 of 15V voltage through resistance R10, with diode D3
The potentiometer R9 being in parallel, and one end is connected with the positive pole of amplifier P, the other end and potentiometer R9
Control end be connected resistance R8 composition；The grounded emitter of described audion VT3, its colelctor electrode with
The outfan of amplifier P is connected.
A kind of automatic irrigating control system based on voltage compensating circuit the most according to claim 2, its
It is characterised by: described power circuit is by transformator T, diode rectifier U, voltage stabilizing chip U1, voltage stabilizing core
Sheet U2, positive pole is connected with the IN pin of voltage stabilizing chip U1, the positive pole of negative pole and diode rectifier U
The electric capacity C1 that outfan is connected, positive pole is connected with the OUT pin of voltage stabilizing chip U1, minus earth
Electric capacity C2, and positive pole is connected with the OUT pin of voltage stabilizing chip U2, the electric capacity C3 group of minus earth
Become；The OUT pin of described voltage stabilizing chip U1 is also connected with the N pole of diode D4, 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 U's
Cathode output end ground connection；The input of described diode rectifier U respectively with the secondary inductance line of transformator T
The Same Name of Ends of circle is connected with non-same polarity；The former limit inductance coil of described transformator T is as power input.
A kind of automatic irrigating control system based on voltage compensating circuit the most according to claim 3, its
Be characterised by: described on-off circuit 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, concatenation
Resistance R5 between the negative pole and the outfan of NAND gate A2 of NAND gate A1, one end and NAND gate A2
Negative pole is connected, the resistance R4 of other end ground connection, is serially connected in colelctor electrode and the voltage stabilizing chip of audion VT1
Relay K between the OUT pin of U2, and positive pole is connected with the emitter stage of audion VT1, negative
The electric capacity C5 composition that pole is connected with the colelctor electrode of audion VT2；The positive pole of described NAND gate A2 and control
The LX pin of chip U3 is connected, its outfan is connected with the base stage of audion VT2；Described audion
The grounded emitter of VT2；The plus earth of described NAND gate A1, its outfan and the positive pole of NAND gate A2
It is connected；The normally opened contact K-1 of described relay K is then serially connected on the power supply main line of water pump.
A kind of automatic irrigating control system based on voltage compensating circuit the most according to claim 4, its
It is characterised by: described voltage stabilizing chip U1 and voltage stabilizing chip U2 is 7809 voltage stabilizing chips, described control core
Sheet U3 is the integrated chip of A6210.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610527944.3A CN106014949A (en) | 2016-07-06 | 2016-07-06 | Automatic irrigation control system based on voltage compensation circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610527944.3A CN106014949A (en) | 2016-07-06 | 2016-07-06 | Automatic irrigation control system based on voltage compensation circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106014949A true CN106014949A (en) | 2016-10-12 |
Family
ID=57108048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610527944.3A Pending CN106014949A (en) | 2016-07-06 | 2016-07-06 | Automatic irrigation control system based on voltage compensation circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106014949A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106708119A (en) * | 2017-01-05 | 2017-05-24 | 成都芯禾粮油食品有限公司 | Greenhouse vegetable plantation humidity control system |
| CN109042256A (en) * | 2018-07-01 | 2018-12-21 | 张志栋 | A kind of agricultural automatic irrigation control method and system |
-
2016
- 2016-07-06 CN CN201610527944.3A patent/CN106014949A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106708119A (en) * | 2017-01-05 | 2017-05-24 | 成都芯禾粮油食品有限公司 | Greenhouse vegetable plantation humidity control system |
| CN106708119B (en) * | 2017-01-05 | 2019-01-22 | 成都芯禾粮油食品有限公司 | A kind of planting vegetable in greenhouse humidity control system |
| CN109042256A (en) * | 2018-07-01 | 2018-12-21 | 张志栋 | A kind of agricultural automatic irrigation control method and system |
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| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20161012 |
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| WD01 | Invention patent application deemed withdrawn after publication |