CN105993857A - Signal amplification type automatic irrigation control system based on voltage compensation circuit - Google Patents
Signal amplification type automatic irrigation control system based on voltage compensation circuit Download PDFInfo
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- CN105993857A CN105993857A CN201610528270.9A CN201610528270A CN105993857A CN 105993857 A CN105993857 A CN 105993857A CN 201610528270 A CN201610528270 A CN 201610528270A CN 105993857 A CN105993857 A CN 105993857A
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- 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
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- 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
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- Life Sciences & Earth Sciences (AREA)
- Soil Sciences (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Environmental Sciences (AREA)
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Abstract
The invention discloses a signal amplification type automatic irrigation control system based on a voltage compensation circuit. The signal amplification type automatic irrigation control system is characterized by mainly consisting of a control chip U3, a diode D2, a detecting probe Q1, a detecting probe Q2, a resistor R2, a resistor R1 and the like, wherein the resistor R2 is connected in series between the detecting probe Q1 and a P pole of the diode D2; the resistor R1 is connected in series between the detecting probe Q1 and a VIN tube pin of the control chip U3. The signal amplification type automatic irrigation control system has the advantages that a current signal output from the control chip can be subjected to amplification processing, so that the control chip well recognizes the signal and outputs an accurate control signal, and the control precision of the control system on a water pump is greatly improved.
Description
Technical field
The present invention relates to automation field, specifically refer to a kind of signal scale-up version based on voltage compensating circuit
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 signal scale-up version automatic irrigating control system based on voltage compensating circuit.
The purpose of the present invention is by following technical proposals reality: a kind of signal based on voltage compensating circuit amplifies
Type automatic irrigating control system, mainly by control chip U3, diode D2, detection probe Q1, detection is visited
Head Q2, is serially connected in the resistance R2 between the P pole of detection probe Q1 and diode D2, is serially connected in detection and visits
Head 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, with the ISEN of control chip U3
The signal amplification circuit that pin is connected, the voltage compensating circuit being connected with the N pole of diode D2, with
The power circuit that voltage compensating circuit is connected, and it is serially connected in the LX pipe of power circuit and control chip U3
On-off circuit composition between foot；The ISEN pin of described control chip U3 is connected with detection probe Q2,
Its GND pin ground connection；Described signal amplification circuit is connected with detection probe Q2.
Further, described signal amplification circuit by field effect transistor MOS, audion VT4, audion VT5,
Negative pole is connected with the grid of field effect transistor MOS, positive pole is as the electric capacity of the input of this signal amplification circuit
C9, the resistance R12 being serially connected between the negative pole of electric capacity C9 and the emitter stage of audion VT5, one end and field
Ground connection while the source electrode of effect pipe MOS is connected, the other end is connected with the emitter stage of audion VT5
Potentiometer R13, positive pole is connected with the drain electrode of field effect transistor MOS, the base stage of negative pole and audion VT4
The electric capacity C10 being connected, positive pole is connected with the drain electrode of field effect transistor MOS, negative pole after resistance R14 with
The electric capacity C11 that the emitter stage of audion VT5 is connected, is serially connected in drain electrode and the audion of field effect transistor MOS
Resistance R15, N pole between the colelctor electrode of VT4 is connected with the emitter stage of audion VT5, P pole and three
The diode D5 that the emitter stage of pole pipe VT4 is connected, is serially connected in drain electrode and the audion of field effect transistor MOS
Resistance R16 between the colelctor electrode of VT5, positive pole is connected with the colelctor electrode of audion VT5, negative pole conduct
The electric capacity C12 of the outfan of this signal amplification circuit, negative pole is connected, just with the control end of potentiometer R13
The electric capacity C14 that pole negative pole with electric capacity C12 after resistance R17 is connected, and positive pole and audion VT5
The electric capacity C13 that base stage is connected, negative pole is connected with the positive pole of electric capacity C14 composition；Described audion VT4
Base stage be connected with the negative pole of electric capacity C11；The input of described signal amplification circuit and detection probe Q2
Be connected, its outfan is then connected with the ISEN pin of control chip U3.
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.
(4) current signal of output control chip can be amplified processing by the present invention, makes control chip more
Good is identified signal, and exports control signal accurately, improves the present invention the most greatly to water pump
Control accuracy.
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.
Fig. 3 is the structure chart of the signal amplification 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, with the ISEN of control chip U3
The signal amplification circuit that pin is connected, the voltage compensating circuit being connected with the N pole of diode D2, with
The power circuit that voltage compensating circuit is connected, and it is serially connected in the LX pipe of power circuit and control chip U3
On-off circuit composition between foot.
The ISEN pin of described control chip U3 is connected with detection probe Q2, its GND pin ground connection.
Described signal amplification circuit is connected with detection probe Q2.In order to preferably implement the present invention, described control core
The integrated chip of the preferred A6210 of 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.
As it is shown on figure 3, described signal amplification circuit is by field effect transistor MOS, audion VT4, audion
VT5, resistance R12, potentiometer R13, resistance R14, resistance R15, resistance R16, resistance R17, two
Pole pipe D5, electric capacity C9, electric capacity C10, electric capacity C11, electric capacity C12, electric capacity C13 and electric capacity C14
Composition.
During connection, the negative pole of electric capacity C9 is connected with the grid of field effect transistor MOS, its positive pole is as this letter
The input of number amplifying circuit is also connected with detection probe Q2.Resistance R12 is serially connected in the negative pole of electric capacity C9
And between the emitter stage of audion VT5.One end of potentiometer R13 is connected with the source electrode of field effect transistor MOS
Connect, its other end be connected with the emitter stage of audion VT5 while ground connection.The positive pole of electric capacity C10 and field
The drain electrode of effect pipe MOS is connected, its negative pole is connected with the base stage of audion VT4.Electric capacity C11's
Positive pole is connected with the drain electrode of field effect transistor MOS, its negative pole after resistance R14 with audion VT5 send out
Emitter-base bandgap grading is connected.Resistance R15 be serially connected in the drain electrode of field effect transistor MOS and audion VT4 colelctor electrode it
Between.The N pole of diode D5 is connected with the emitter stage of audion VT5, its P pole and audion VT4
Emitter stage is connected.Resistance R16 is serially connected in drain electrode and the colelctor electrode of audion VT5 of field effect transistor MOS
Between.The positive pole of electric capacity C12 is connected with the colelctor electrode of audion VT5, its negative pole amplifies as this signal
The outfan of circuit is also connected with the ISEN pin of control chip U3.The negative pole of electric capacity C14 and potentiometer
R13 controls that end is connected, its positive pole negative pole with electric capacity C12 after resistance R17 is connected.Electric capacity C13
Positive pole be connected with the base stage of audion VT5, its negative pole is connected with the positive pole of electric capacity C14.Described three
The base stage of pole pipe VT4 is connected with the negative pole of electric capacity C11.
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 caused due to wire or the reason of resistance
Fall, the running voltage making the present invention is more stable.The current signal of output control chip can be entered by the present invention
Row processing and amplifying, makes control chip preferably be identified signal, and exports control signal accurately, because of
This improves the present invention control accuracy to water pump greatly.
As it has been described above, just can well realize the present invention.
Claims (6)
1. a signal scale-up version automatic irrigating control system based on voltage compensating circuit, it is characterised in that:
Main by control chip U3, diode D2, detection probe Q1, detection probe Q2, it is serially connected in detection probe
Resistance R2 between the P pole of Q1 and diode D2, is serially connected in detection probe Q1 and control chip U3
Resistance R1, N pole between VIN pin is connected with detection probe Q1, P pole and control chip U3
The diode D1 that TON pin is connected, positive pole is connected with the BOOT pin of control chip U3, negative pole
The electric capacity C4 being connected with the LX pin of control chip U3, be serially connected in control chip U3 NC pin and
Resistance R3 between GND pin, the signal amplification circuit being connected with the ISEN pin of control chip U3,
The voltage compensating circuit being connected with the N pole of diode D2, the power supply being connected with voltage compensating circuit electricity
Road, and the on-off circuit composition being serially connected between the LX pin of power circuit and control chip U3；Described
The ISEN pin of control chip U3 is connected with detection probe Q2, its GND pin ground connection；Described signal
Amplifying circuit is connected with detection probe Q2.
A kind of signal scale-up version automatic irrigation control based on voltage compensating circuit the most according to claim 1
System processed, it is characterised in that: described signal amplification circuit is by field effect transistor MOS, audion VT4, three poles
Pipe VT5, negative pole is connected with the grid of field effect transistor MOS, positive pole is as the input of this signal amplification circuit
Electric capacity C9, the resistance R12 being serially connected between the negative pole of electric capacity C9 and the emitter stage of audion VT5 of end,
One end is connected with the source electrode of field effect transistor MOS, the other end is connected with the emitter stage of audion VT5
The potentiometer R13 of ground connection simultaneously, positive pole is connected with the drain electrode of field effect transistor MOS, negative pole and audion
The electric capacity C10 that the base stage of VT4 is connected, positive pole is connected with the drain electrode of field effect transistor MOS, negative pole is through electricity
The electric capacity C11 being connected with the emitter stage of audion VT5 after resistance R14, is serially connected in field effect transistor MOS
Resistance R15, N pole between drain electrode and the colelctor electrode of audion VT4 is connected with the emitter stage of audion VT5
Connect, diode D5 that P pole is connected with the emitter stage of audion VT4, be serially connected in field effect transistor MOS
Resistance R16 between drain electrode and the colelctor electrode of audion VT5, positive pole is connected with the colelctor electrode of audion VT5
Connect, negative pole as the electric capacity C12 of the outfan of this signal amplification circuit, the control of negative pole and potentiometer R13
The electric capacity C14 that end is connected, positive pole negative pole with electric capacity C12 after resistance R17 is connected, and positive pole
Be connected with the base stage of audion VT5, electric capacity C13 that negative pole is connected with the positive pole of electric capacity C14 composition；
The base stage of described audion VT4 is connected with the negative pole of electric capacity C11；The input of described signal amplification circuit
Be connected with detection probe Q2, its outfan is then connected with the ISEN pin of control chip U3.
A kind of signal scale-up version automatic irrigation control based on voltage compensating circuit the most according to claim 2
System processed, it is characterised in that: described voltage compensating circuit is by amplifier P, and audion VT3, negative pole is through resistance
The electric capacity C6 that after R7, the negative pole with amplifier P is connected, positive pole is connected with the N pole of diode D2, just
Electric capacity C8, the P pole that pole is connected with the negative pole of amplifier P, negative pole is connected with the base stage of audion VT3
Be connected with the outfan of amplifier P, diode D4 that N pole is connected with power circuit, with diode
The resistance R11 that D4 is in parallel, positive pole is connected with the negative pole of electric capacity C6, the output of negative pole and amplifier P
Electric capacity C7, the N pole ground connection being connected, P pole is held to be followed by the diode D3 of 15V voltage through resistance R10,
The potentiometer R9 being in parallel with diode D3, and one end is connected with the positive pole of amplifier P, the other end
The resistance R8 composition being connected with the control end of potentiometer R9；The grounded emitter of described audion VT3,
Its colelctor electrode is connected with the outfan of amplifier P.
A kind of signal scale-up version automatic irrigation control based on voltage compensating circuit the most according to claim 3
System processed, it is characterised in that: described power circuit is 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, negative pole and diode rectification
The electric capacity C1 that the cathode output end of device U is 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, minus earth
Electric capacity C3 forms；The OUT pin of described voltage stabilizing chip U1 is also connected with the N pole of diode D4, it
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 is whole
The cathode output end ground connection of stream device U；The input of described diode rectifier U respectively with the pair of transformator T
The Same Name of Ends of limit inductance coil is connected with non-same polarity；The former limit inductance coil of described transformator T is as electricity
Source input.
A kind of signal scale-up version automatic irrigation control based on voltage compensating circuit the most according to claim 4
System processed, it is characterised in that: described on-off circuit by NAND gate A1, NAND gate A2, audion VT1,
Audion VT2, water pump M, be serially connected between the outfan of NAND gate A1 and the base stage of audion VT1
Resistance R6, the resistance R5 being serially connected between the negative pole of NAND gate A1 and the outfan of NAND gate A2, one end
Be connected with the negative pole of NAND gate A2, the resistance R4 of other end ground connection, be serially connected in the current collection of audion VT1
Relay K between the OUT pin of pole and voltage stabilizing chip U2, and the transmitting of positive pole and audion VT1
The electric capacity C5 composition that pole is connected, negative pole is connected with the colelctor electrode of audion VT2；Described NAND gate A2
Positive pole be connected with the LX pin of control chip U3, its outfan is connected with the base stage of audion VT2；
The grounded emitter of described audion VT2；The plus earth of described NAND gate A1, its outfan with non-
The positive pole of door A2 is connected；The normally opened contact K-1 of described relay K is then serially connected in the power supply main line of water pump
Lu Shang.
A kind of signal scale-up version automatic irrigation control based on voltage compensating circuit the most according to claim 5
System processed, it is characterised in that: described voltage stabilizing chip U1 and voltage stabilizing chip U2 is 7809 voltage stabilizing chips,
Described control chip U3 is the integrated chip of A6210.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610528270.9A CN105993857A (en) | 2016-07-06 | 2016-07-06 | Signal amplification type automatic irrigation control system based on voltage compensation circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610528270.9A CN105993857A (en) | 2016-07-06 | 2016-07-06 | Signal amplification type automatic irrigation control system based on voltage compensation circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105993857A true CN105993857A (en) | 2016-10-12 |
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ID=57106717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610528270.9A Pending CN105993857A (en) | 2016-07-06 | 2016-07-06 | Signal amplification type automatic irrigation control system based on voltage compensation circuit |
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| CN (1) | CN105993857A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115266887A (en) * | 2022-07-18 | 2022-11-01 | 山东莱恩德智能科技有限公司 | Automatic measuring instrument for soil oxidation-reduction potential |
-
2016
- 2016-07-06 CN CN201610528270.9A patent/CN105993857A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115266887A (en) * | 2022-07-18 | 2022-11-01 | 山东莱恩德智能科技有限公司 | Automatic measuring instrument for soil oxidation-reduction potential |
| CN115266887B (en) * | 2022-07-18 | 2023-08-11 | 山东莱恩德智能科技有限公司 | Automatic measuring instrument for soil oxidation-reduction potential |
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Application publication date: 20161012 |