CN203912785U - Solar energy remote measuring and controlling soil moisture direct current generator water pump - Google Patents

Solar energy remote measuring and controlling soil moisture direct current generator water pump Download PDF

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Publication number
CN203912785U
CN203912785U CN201420339962.5U CN201420339962U CN203912785U CN 203912785 U CN203912785 U CN 203912785U CN 201420339962 U CN201420339962 U CN 201420339962U CN 203912785 U CN203912785 U CN 203912785U
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water pump
direct current
current generator
water source
soil
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CN201420339962.5U
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阮树成
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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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/12—Technologies relating to agriculture, livestock or agroalimentary industries using renewable energies, e.g. solar water pumping

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Abstract

The utility model relates to electronic technology field, specifically a kind of solar energy remote measuring and controlling soil moisture direct current generator water pump.Comprise soil humidity sensor, wireless launcher, water source detecting sensor, water source optocoupler gauge tap, wireless receiver, direct current generator water pump, sun-generated electric power wireless telemetering remote control soil moisture water pump, conveniently there is no AC power, especially the far away or insufficient water sources in dried up source, the uneven farmland of physical features Automatic Control are irrigated, make different crops in optimum growh state, greatly improve the agricultural planting level of production.Soil humidity sensor, the sinusoidal wave sensing of water source detecting sensor electrode are effectively protected electrolytic etching and are extended use.Wireless receipts/the send out high frequency stabilization remote measuring and controlling of crystal oscillator, pulse code, decoding capacity are large, strong interference immunity, and the stable and reliable operation of adjacent farmland, does not interfere with each other.The utility model is widely used in field irrigation and ensures that soil moisture meets plant growth requirement.

Description

Solar energy remote measuring and controlling soil moisture direct current generator water pump
Technical field
The present invention relates to electronic technology field, specifically a kind of solar energy remote measuring and controlling soil moisture direct current generator water pump.
background technology
The soil of growing plant need to keep certain humidity, and both inaccurate by Artificial Control soil moisture, the amount of labour is large again, is not suitable for modern agricultural production requirement.Especially the rare arid poor ridge of rainwater area is laid in AC network inconvenience, and insufficient water sources or dried up source are far away, or physical features is uneven, affects field irrigation.
summary of the invention
The object of this invention is to provide the farmland that AC network inconvenience is laid, measure the wet dry information wireless transmitting of soil, electromagnetic wave space is transferred to the wireless receiver at water source and sets a kind of solar energy remote measuring and controlling soil moisture direct current generator water pump of irrigating humidity, water supply coverage.
The technology of the present invention solution: comprise two groups of sun-generated electric powers, soil humidity sensor, soil humidity measuring electric bridge, low frequency crystal oscillator, buffer amplifier, active band-pass filter, differential amplifier, accurate wave detector, power amplifier, modulator, wireless launcher, water source detection signal generator, water source detecting sensor, water source optocoupler gauge tap, wireless receiver, monostable time delay relay, direct current generator water pump, wherein, low frequency crystal oscillator sine wave output signal is through buffer amplifier, active band-pass filter filtering higher hamonic wave connects soil humidity measuring electric bridge input, and soil humidity measuring bridge measurement brachium pontis connects soil humidity sensor, and soil humidity measuring electric bridge is exported through differential amplifier, accurate wave detector, power amplifier driven modulator to wireless launcher primary modulation is carried soil humidity measuring information, wireless launcher pulse code secondary modulation single channel encryption is by antenna transmission, electromagnetic wave is transferred to wireless receiver through space, the deciphering of wireless receiver pulse decoding channel, demodulation soil humidity measuring information is controlled water pump and is irrigated, and wireless receiver is by the sinusoidal wave access of water source detection signal generator output low frequency water source detecting sensor, water source optocoupler gauge tap provides transducing signal, and water source detection signal generator is vibrated by RC Wien bridge circuit, diode VD 7, VD 8fixed ampllitude, triode VT 4emitter following output is through Capacitance Coupled water receiving source detecting sensor exploring electrode, diode VD 5, VD 6detection, capacitor filtering, current-limiting resistance are to triode VT 2electric current amplifies driving water source optocoupler gauge tap light emitting diode, and phototriode and less radio-frequency receiver decoding output drive relay triode VT 3be connected in series, one group of sun-generated electric power is through monostable time delay relay J 1contact J 1-1connect direct current generator water pump, and through voltage stabilizing water receiving source detection signal generator, water source optocoupler gauge tap, wireless receiver power end, direct current generator water pump connects overload protection electrothermal relay, another group sun-generated electric power connects soil surveying wireless launcher, and packing engineering plastic magazine into soil surveying wireless launcher, soil humidity sensor, note is filled with epoxy sealing,
Soil humidity sensor has two cylinders or oblate stainless steel electrode at least, its lower end is pointed cone and inserts soil, upper end is drawn by wire bonds, between electrode, be provided with spacing and be injection molded into one by engineering plastics, at the bottom of being bonded in wireless launcher engineering plastic magazine, electrode is drawn wire and is connected soil humidity measuring bridge measurement brachium pontis;
Water source detecting sensor is established spaced two stainless steel exploring electrodes by cross section in one section of plastic water pipe, shielded cable connecting electrode is drawn, the place of drawing is provided with moisture proof oversheath pipe, electrode is drawn shielded cable and is connected water source detection signal generator, water source optocoupler gauge tap, and water source detecting sensor plastic water pipe connects water source water inlet pipe and water pump;
Wireless launcher is comprised of radio frequency crystals oscillator, radio-frequency power amplifier, pulse coder, modulator, antenna, the output of radio frequency crystals oscillator connects radio-frequency power amplifier, radio-frequency power amplifier and modulator feed are connected in series, the coded pulse of modulator input termination pulse coder, modulator power end drives by carrying soil humidity measuring power of information amplifier, through antenna transmission;
Wireless receiver by aerial signal access radio frequency highly put, mixing, the machine crystal oscillator signal access frequency mixer, after mixing, extract intermediate-freuqncy signal through amplification, demodulation, low putting to pulse decoder, pulse decoder output is connected in series through driving monostable time delay relay triode and water source optocoupler gauge tap phototriode, monostable time delay relay J 1contact J 1-1connect direct current generator water pump and sun-generated electric power, direct current generator water pump connects overload protection electrothermal relay, and demodulation soil humidity measuring information is controlled direct current generator water pump and opened or stop irrigating;
Two groups of sun-generated electric powers are respectively by photovoltaic battery panel E 1output is through blocking diode VD 10, relay J 2contact J 2-1meet accumulator E 2, accumulator E 2cross pressure-controlled sampling and meet potentiometer RP 4, adjustable termination window voltage comparable chip ICa positive input terminal, under-voltage control sampling meets potentiometer RP 3, adjustable termination window voltage comparable chip IC bnegative input end, window voltage comparable chip ICa negative input end and window voltage comparable chip IC bpositive input terminal is through resistance R 47, R 48divide crimping voltage-stabiliser tube VD 14voltage is made reference, and window voltage is relatively exported through triode and connect relay J 2, accumulator E 2be connected in series quick fuse F, and be connected to anti-reverse diode VD 11, one group of sun-generated electric power connects direct current generator water pump, and through voltage stabilizing water receiving source detection signal generator, water source optocoupler gauge tap, wireless receiver power end, another group sun-generated electric power connects soil surveying wireless launcher.
The utility model produces good effect: solar energy radio remote measuring and controlling agricultural land soil humidity is automatically irrigated, solve the farmland that AC network inconvenience is laid, especially dried up source is far away, insufficient water sources and physical features are uneven irrigates, keep in soil moisture setting range, different crops can be in optimum growh state, the time saving and energy saving agricultural planting level of production that greatly improves, soil humidity sensor, water source detecting sensor electrode is all set as the effective safeguard procedures of sinusoidal wave sensing, avoid because of the polarization corrosion that produces electrolysis of direct current sensing electrode, ensure that wireless telemetering remote control water pump uses reliably and with long-term, a wireless receipts/high frequency stabilization remote measuring and controlling of crystal oscillator, pulse code decoding capacity is large, strong interference immunity, adjacent farmland is stable, reliably, do not interfere with each other.
Accompanying drawing explanation
Fig. 1 technical solutions of the utility model theory diagram
Fig. 2 soil humidity sensor schematic diagram
Fig. 3 soil humidity measuring wireless transmitter circuits
Fig. 4 water source detects sensing wireless receiver and direct current generator water pump circuit
Fig. 5 solar-electricity source control circuit
Embodiment
With reference to Fig. 1, 2, 3, 4, 5, the utility model embodiment and embodiment, comprise two groups of sun-generated electric powers 17, soil humidity sensor 6, soil humidity measuring electric bridge 5, low frequency crystal oscillator 1, buffer amplifier 2, active band-pass filter 3, differential amplifier 4, accurate wave detector 7, power amplifier 8, modulator 9, wireless launcher 10, water source detection signal generator 15, water source detecting sensor 16, water source optocoupler gauge tap 12, wireless receiver 11, monostable time delay relay 13, direct current generator water pump 14, wherein, low frequency crystal oscillator 1 sine wave output signal is through buffer amplifier 2, active band-pass filter 3 filtering higher hamonic waves connect soil humidity measuring electric bridge 5 inputs, and soil humidity measuring electric bridge 5 is measured brachium pontis and connected soil humidity sensor 6, and 5 outputs of soil humidity measuring electric bridge are through differential amplifier 4, accurate wave detector 7, power amplifier 8 driven modulators 9 to wireless launcher 10 primary modulation are carried soil humidity measuring information, wireless launcher 10 pulse code secondary modulation single channel encryptions are by antenna transmission, electromagnetic wave is transferred to wireless receiver 11 through space, wireless receiver 11 pulse decoding channel deciphering, demodulation soil humidity measuring information is controlled water pump and is irrigated, and wireless receiver 11 is by the sinusoidal wave access of water source detection signal generator 15 output low frequencies water source detecting sensor 16, water source optocoupler gauge tap 12 provides transducing signal, and water source detection signal generator 15 is vibrated by RC Wien bridge circuit, diode VD 7, VD 8fixed ampllitude, triode VT 4emitter following output is through Capacitance Coupled water receiving source detecting sensor 16 exploring electrodes, diode VD 5, VD 6detection, capacitor filtering, current-limiting resistance are to triode VT 2electric current amplifies driving water source optocoupler gauge tap 12 light emitting diodes, and phototriode and wireless receiver 11 decodings outputs drive monostable time delay relay 13 triode VT 3be connected in series, monostable time delay relay 13 contact J 1-1connect one group of sun-generated electric power 17 through monostable time delay relay J 1contact J 1-1connect direct current generator water pump 14, and through voltage stabilizing water receiving source detection signal generator, water source optocoupler gauge tap, wireless receiver 11 power ends, direct current generator water pump 14 connects overload protection electrothermal relay, another group sun-generated electric power connects soil surveying wireless launcher 10, and packing engineering plastic magazine into soil surveying wireless launcher 10, soil humidity sensor 6, note is filled with epoxy sealing.
Solar cell E 1in the time of the work of daylight supply-water pump also to accumulator E 2charging, night is by accumulator E 2power supply turn on pump, is well suited for drought resisting and irrigates around the clock.Window voltage comparable chip IC a, Ic boutput level is through triode VT 11drive relay J 2control under-voltage, the overvoltage of charging, protection accumulator E 2normal operation.Under-voltage control is at accumulator E 2voltage is during lower than window voltage comparable chip ICa reference voltage, relay J 2adhesive, contact J 2-1connect accumulator E 2charging, as accumulator E 2voltage is sufficient, crosses pressure-controlled voltage higher than window voltage comparable chip IC breference voltage, relay J 2releasing contact J 2-1, cut off solar cell E 1to accumulator E 2charging.Turn on pump power consumption reduces accumulator E 2voltage, sun-generated electric power is recovered charging.
Relay J in parallel 2two ends diode VD 15suppress backward voltage.Voltage-stabiliser tube VD 14and resistance R 46, capacitor C 16voltage stabilizing guarantee is under-voltage, overvoltage is accurately controlled.Window voltage comparable chip IC selects LM358 double operational.
Low frequency crystal JT oscillator IC 1aproduce stable low-frequency sine, through buffer amplifier IC 1bimpedance matching, active band-pass filter IC 1cfiltering higher hamonic wave provides measuring bridge high-quality signal source, and the resistivity that acts on soil humidity sensor RS sensing soil moisture changes electric bridge characteristic, reaches testing goal.
Regulator potentiometer RP 1if soil moisture to be filled with, makes bridge balance, differential amplifier IC 1dbe output as zero, wave detector IC 2b, IC 2c, power discharging IC 2dnon-output signal, wireless launcher is not launched telecommand, so wireless receiver does not have decoded signal output, triode VT 3cut-off, monostable time delay relay contact J 1-1normally closed connection direct current generator M opens pump operation pumping irrigation; Soil moisture reaches setting value, reduces soil resistivity measuring bridge disequilibrium, differential amplifier IC 1doutput signal is through wave detector IC 2b, IC 2c, power discharging IC 2d, VT 1drive wireless launcher primary modulation to carry soil humidity measuring information, radio frequency transmitter pulse code secondary modulation single channel encryption is by antenna A 1transmitting, electromagnetic wave is transferred to antenna A through space 2, wireless receiver, wireless receiver pulse decoding channel deciphering, demodulation soil humidity measuring information is controlled monostable time delay relay contact J 1-1discharge disconnection direct current generator M water pump and stop irrigating, complete to set and supply water.When monostable time delay prevents soil critical humidity in 5～10 seconds, the frequent start-stop of water pump is beated.Potentiometer RP 2regulate remote measuring and controlling sensitivity.
Less radio-frequency receiver water source detecting sensor detects water inlet pipe JSG water source soil moisture content, and the sinusoidal wave conduction of the sensor electrode low-frequency alternating of having abundant water resources, through capacitance C 6, C 11, diode VD 5, VD 6detection, capacitor C 7filtering, triode VT 2electric current amplifies driving optocoupler ELD, wireless receiver decoding output signal drives monostable time delay relay J 1controlling direct current generator M pumping for water pump irrigates; As water inlet pipe, JSG cuts off the water supply, water source detecting sensor electrode open circuit, optocoupler ELD, triode VT 2cut-off monostable time delay relay releasing contact J 1-1disconnect direct current generator M power supply, guarantee direct current generator M power failure, water pump stops pumping, and prevents that water pump from dallying impaired, and running prevents that direct current generator M overload is connected to electrothermal relay FR protection, and is connected to the spark interference that RC Resistor-Capacitor Unit suppresses brush generation.
Soil humidity sensor, water source detecting sensor electrode are all set as sinusoidal wave sensing safeguard procedures, effectively avoid because of the polarization corrosion that produces electrolysis of direct current sensing electrode, ensure that wireless telemetering remote control water pump uses reliably and with long-term.Soil humidity measuring device IC 1a～d, IC 2a～dadopt two four high guaily unit LM234, wherein IC 2apositive input terminal resistance R 18, R 19dividing potential drop, output 1/2 supply voltage is as IC 1a～d, IC 2c～breference voltage, is operated in the range of linearity it separately, is convenient to single supply powered battery.Differential amplifier IC 1dpositive and negative input amplitude limit parallel diode VD 1, VD 2prevent that signal overloading from affecting certainty of measurement.Wireless receiver power supply by sun-generated electric power through Three-end voltage stabilizer IC 2, capacitor filtering C 12, C 13power supply, stablizes the voltage pulsation of water pump start-stop.
Wireless receipts/send out the high frequency stabilization remote measuring and controlling of crystal oscillator, pulse code decoding capacity is large, strong interference immunity, and adjacent area farmland is stable, reliably do not interfere with each other.Wireless telemetering remote control distance arranges carrier frequency, transmitting power and antenna radiation characteristics and receiving sensitivity by farmland under irrigation and water source distance, carrier wave is used ISM frequency 2.45GHz, transmitting power 15mdb, receiving sensitivity-100mdb, 1/4 wavelength antennas is received/is sent out, and controls tens of rice to hundreds of meters of distances and irrigates.
Sun-generated electric power power output 2.5kw, driving power 2.4kw direct current generator water pump, pump-out 2000L/nin, irrigates 10 hectares of farmlands.Direct current generator water pump advantage is without inverter DC-AC conversion, and efficiency is high.Large area field irrigation wireless telemetering capable of being combined is received/is sent out the team control of many ground and irrigates.
The utility model sun-generated electric power wireless telemetering remote control agricultural land soil humidity is automatically irrigated, solving AC network inconvenience lays, keep in soil moisture setting range, especially dried up source is far away, the uneven field irrigation of insufficient water sources and physical features, moisture reaches sufficient or enough moistens and stops supplying water, lack of water again turn on pump supplies water, the sufficient shutdown of moisture, with this Auto Power On that circulates, shutdown, need not manual operation, avoid lack of water or oversupplied water, the economize on electricity of fully-automatic intelligent high-efficiency water-saving, different crops can be in optimum growh state, the time saving and energy saving agricultural planting level of production that greatly improves.

Claims (6)

1. a solar energy remote measuring and controlling soil moisture direct current generator water pump, is characterized in that: comprise two groups of sun-generated electric powers, soil humidity sensor, soil humidity measuring electric bridge, low frequency crystal oscillator, buffer amplifier, active band-pass filter, differential amplifier, accurate wave detector, power amplifier, modulator, wireless launcher, water source detection signal generator, water source detecting sensor, water source optocoupler gauge tap, wireless receiver, monostable time delay relay, direct current generator water pump, wherein, low frequency crystal oscillator sine wave output signal is through buffer amplifier, active band-pass filter filtering higher hamonic wave connects soil humidity measuring electric bridge input, and soil humidity measuring bridge measurement brachium pontis connects soil humidity sensor, and soil humidity measuring electric bridge is exported through differential amplifier, accurate wave detector, power amplifier driven modulator to wireless launcher primary modulation is carried soil humidity measuring information, wireless launcher pulse code secondary modulation single channel encryption is by antenna transmission, electromagnetic wave is transferred to wireless receiver through space, the deciphering of wireless receiver pulse decoding channel, demodulation soil humidity measuring information is controlled water pump and is irrigated, and wireless receiver is by the sinusoidal wave access of water source detection signal generator output low frequency water source detecting sensor, water source optocoupler gauge tap provides transducing signal, and water source detection signal generator is vibrated by RC Wien bridge circuit, diode VD 7, VD 8fixed ampllitude, triode VT 4emitter following output is through Capacitance Coupled water receiving source detecting sensor exploring electrode, diode VD 5, VD 6detection, capacitor filtering, current-limiting resistance are to triode VT 2electric current amplifies driving water source optocoupler gauge tap light emitting diode, and phototriode and less radio-frequency receiver decoding output drive relay triode VT 3be connected in series, one group of sun-generated electric power is through monostable time delay relay J 1contact J 1-1connect direct current generator water pump, and through voltage stabilizing water receiving source detection signal generator, water source optocoupler gauge tap, wireless receiver power end, direct current generator water pump connects overload protection electrothermal relay, another group sun-generated electric power connects soil surveying wireless launcher, and packing engineering plastic magazine into soil surveying wireless launcher, soil humidity sensor, note is filled with epoxy sealing.
2. a kind of solar energy remote measuring and controlling soil moisture direct current generator water pump according to claim 1, it is characterized in that: soil humidity sensor has two cylinders or oblate stainless steel electrode at least, its lower end is sharp cone distal and inserts soil, upper end is drawn by wire bonds, between electrode, be provided with spacing and be injection molded into one by engineering plastics, at the bottom of being bonded in wireless launcher engineering plastic magazine, electrode is drawn wire and is connected soil humidity measuring bridge measurement brachium pontis.
3. a kind of solar energy remote measuring and controlling soil moisture direct current generator water pump according to claim 1, it is characterized in that: water source detecting sensor is established spaced two stainless steel exploring electrodes by cross section in one section of plastic water pipe, shielded cable connecting electrode is drawn, the place of drawing is provided with moisture proof oversheath pipe, electrode is drawn shielded cable and is connected water source detection signal generator, water source optocoupler gauge tap, and water source detecting sensor plastic water pipe connects water source water inlet pipe and water pump.
4. a kind of solar energy remote measuring and controlling soil moisture direct current generator water pump according to claim 1, it is characterized in that: wireless launcher is comprised of radio frequency crystals oscillator, radio-frequency power amplifier, pulse coder, modulator, antenna, the output of radio frequency crystals oscillator connects radio-frequency power amplifier, radio-frequency power amplifier and modulator feed are connected in series, the coded pulse of modulator input termination pulse coder, modulator power end drives by carrying soil humidity measuring power of information amplifier, through antenna transmission.
5. a kind of solar energy remote measuring and controlling soil moisture direct current generator water pump according to claim 1, it is characterized in that: wireless receiver by aerial signal access radio frequency highly put, mixing, the machine crystal oscillator signal access frequency mixer, after mixing, extract intermediate-freuqncy signal through amplification, demodulation, low putting to pulse decoder, pulse decoder output is connected in series through driving monostable time delay relay triode and water source optocoupler gauge tap phototriode, monostable time delay relay J 1contact J 1-1connect direct current generator water pump and sun-generated electric power, direct current generator water pump connects overload protection electrothermal relay, and demodulation soil humidity measuring information is controlled direct current generator water pump and opened or stop irrigating.
6. a kind of solar energy remote measuring and controlling soil moisture direct current generator water pump according to claim 1, is characterized in that: two groups of sun-generated electric powers are respectively by photovoltaic battery panel E 1output is through blocking diode VD 10, relay J 2contact J 2-1meet accumulator E 2, accumulator E 2cross pressure-controlled sampling and meet potentiometer RP 4, adjustable termination window voltage comparable chip ICa positive input terminal, under-voltage control sampling meets potentiometer RP 3, adjustable termination window voltage comparable chip IC bnegative input end, window voltage comparable chip ICa negative input end and window voltage comparable chip IC bpositive input terminal is through resistance R 47, R 48divide crimping voltage-stabiliser tube VD 14voltage is made reference, and window voltage is relatively exported through triode and connect relay J 2, accumulator E 2be connected in series quick fuse F, and be connected to anti-reverse diode VD 11, one group of sun-generated electric power connects direct current generator water pump, and through voltage stabilizing water receiving source detection signal generator, water source optocoupler gauge tap, wireless receiver power end, another group sun-generated electric power connects soil surveying wireless launcher.
CN201420339962.5U 2014-06-13 2014-06-13 Solar energy remote measuring and controlling soil moisture direct current generator water pump Expired - Fee Related CN203912785U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104542198A (en) * 2015-01-21 2015-04-29 内蒙古山路光伏应用技术研究有限公司 Automatic control method of photovoltaic irrigation
CN104642068A (en) * 2014-06-13 2015-05-27 阮树成 Solar direct current motor water pump allowing remote measure and control of soil humidity
CN104855250A (en) * 2015-06-15 2015-08-26 洛阳理工学院 Intelligent misting system
CN105248255A (en) * 2015-11-30 2016-01-20 重庆贻科科技有限公司 Landscape irrigation equipment

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104642068A (en) * 2014-06-13 2015-05-27 阮树成 Solar direct current motor water pump allowing remote measure and control of soil humidity
CN104542198A (en) * 2015-01-21 2015-04-29 内蒙古山路光伏应用技术研究有限公司 Automatic control method of photovoltaic irrigation
CN104855250A (en) * 2015-06-15 2015-08-26 洛阳理工学院 Intelligent misting system
CN104855250B (en) * 2015-06-15 2017-12-19 洛阳理工学院 Intelligently mist system
CN105248255A (en) * 2015-11-30 2016-01-20 重庆贻科科技有限公司 Landscape irrigation equipment

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