CN203872718U - Solar wireless remote measurement and remote control soil moisture content full-automatic irrigation water pump - Google Patents

Solar wireless remote measurement and remote control soil moisture content full-automatic irrigation water pump Download PDF

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Publication number
CN203872718U
CN203872718U CN201420339929.2U CN201420339929U CN203872718U CN 203872718 U CN203872718 U CN 203872718U CN 201420339929 U CN201420339929 U CN 201420339929U CN 203872718 U CN203872718 U CN 203872718U
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full
water source
soil humidity
soil
water pump
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CN201420339929.2U
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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

Abstract

The utility model relates to the technical field of electronics, in particular to a solar wireless remote measurement and remote control soil moisture content full-automatic irrigation water pump which comprises a soil humidity sensor, a wireless transmitter, a water source detection sensor, a water source optocoupler control switch, a wireless receiver and a single-phase motor water pump. A solar energy power supply wirelessly remotely measures and controls a soil humidity water pump, the problem of inconvenience in laying alternating current power supplies is solved, full-automatic irrigation is achieved particularly in fields which are far away from a water source or have water source insufficiency and are uneven in terrain, crops can be in an optimal growth state, and the agricultural planting production level is greatly improved. Electrode sine wave sensing of both the soil humidity sensor and the water source detection sensor can effectively prevent electrolytic corrosion and prolong service lives. Wireless receiving/transmitting crystal oscillator high-stable frequency remote measurement and remote control can be performed, pulse encoding and decoding capacity is large, anti-interference performance is high, and adjacent farmland runs stably and reliably and does not interfere with each other. The solar wireless remote measurement and remote control soil moisture content full-automatic irrigation water pump is widely suitable for performing farmland irrigation, guaranteeing soil humidity and meeting crop growth requirements.

Description

The full-automatic irrigation pump of solar energy radio remote measuring and controlling soil moisture content
Technical field
The utility model relates to electronic technology field, specifically the full-automatic irrigation pump of a kind of solar energy radio remote measuring and controlling soil moisture content.
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 area insufficient water sources of rainwater or dried up source are far away, or physical features unevenness, and the inconvenience of AC power electrical network is laid, and affects agricultural production.
summary of the invention
The purpose of this utility model 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, determines the full-automatic irrigation pump of a kind of solar energy radio remote measuring and controlling soil moisture content of irrigating humidity and water supply coverage.
The utility model technical solution: comprise two groups of sun-generated electric powers, full-bridge inverter, 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, A.C. contactor, monophase machine 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 control water pump 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 is exported 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 monostable time delay relay triode VT 3be connected in series, monostable time delay relay J 1contact meets A.C. contactor K coil and full-bridge inverter out-put supply, ac contactor contact K -1, K -2connect monophase machine water pump and full-bridge inverter out-put supply, monophase machine water pump connects overload protection electrothermal relay, one group of sun-generated electric power connects full-bridge inverter power input, and through voltage-stablizer 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, 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 graphite or 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;
Water source detecting sensor is established spaced two graphite or stainless steel exploring electrode by cross section in one section of plastic water pipe, shielded cable connects pin and draws, 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 made up 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 A.C. contactor K coil and full-bridge inverter out-put supply, ac contactor contact K -1, K -2connect monophase machine water pump and full-bridge inverter out-put supply, monophase machine water pump connects overload protection electrothermal relay, and demodulation soil humidity measuring information control monophase machine water pump is opened or stopped 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 15voltage 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 full-bridge inverter power input, 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;
Full-bridge inverter is by insulated gate power triode VT 5, VT 6, VT 7, VT 8composition PWM pulsewidth modulation bridge type inverse, four pipe grids connect respectively PWM controller signals voltage, and collector and emitter fly-wheel diode in parallel suppresses transformer and produces backward voltage, VT 5emitter stage series connection VT 6colelctor electrode connection transformer T primary inductance TL 1one end, VT 7emitter stage series connection VT 8colelctor electrode connection transformer primary inductance TL 1the other end, sun-generated electric power positive pole meets VT 5, VT 7colelctor electrode, sun-generated electric power negative pole meets VT 6, VT 8emitter stage, transformer secondary output inductance TL 2as full-bridge inverter out-put supply, by wireless receiver monostable time delay relay J 1contact J 1-1connect A.C. contactor K control coil and full-bridge inverter out-put supply, A.C. contactor K -1, K -2order phase motor and water pump, transformer PL penetrates load and picks up current signal feedback and connect the pulsewidth modulation of PWM controller.
The utility model produces good effect: solar energy radio remote measuring and controlling agricultural land soil humidity is automatically irrigated, especially dried up source is far away, insufficient water sources and the uneven field irrigation of physical features, solving AC network inconvenience lays, soil moisture keeps in setting range, Different Crop 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 are all set as the effective safeguard procedures of AC sine 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, wireless receipts/send out the high frequency stabilization remote measuring and controlling of crystal oscillator, pulse code decoding capacity are large, strong interference immunity, adjacent farmland is stable, reliable, does not interfere with each other.
brief description of the drawings
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 circuits
Fig. 5 full-bridge inverter and monophase machine water pump circuit
Fig. 6 solar-electricity source control circuit
embodiment
With reference to Fig. 1, 2, 3, 4, 5, 6, the utility model embodiment and embodiment, comprise two groups of sun-generated electric powers 18, full-bridge inverter 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, A.C. contactor 14, monophase machine water pump 19, 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 soil humidity measuring electric bridge 5 is exported 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 control water pump 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 is exported 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 triode VT 3be connected in series, relay 13 contact J 1-1connect A.C. contactor K14 coil and full-bridge inverter out-put supply, ac contactor contact K -1, K -2connect monophase machine water pump 19 and full-bridge inverter 17 out-put supplies, monophase machine water pump 19 meets overload protection electrothermal relay FR, and one group of export+V of sun-generated electric power 18 is through switch S 1connect full-bridge inverter 17 power inputs, and through voltage stabilizing water receiving source detection signal generator 15, water source optocoupler gauge tap 12, wireless receiver 11 power ends, export+V is through switch S for another group sun-generated electric power 18 1connect soil surveying wireless launcher 10, and pack engineering plastic magazine into soil surveying wireless launcher 10, soil humidity sensor 6, note is filled with epoxy sealing.
Two groups of solar-electricity source control circuits are identical, and soil detects, wireless transmission is used small-power solar cell and accumulator, and wireless receiving, full-bridge inverter and monophase machine water pump are by big-power solar battery and storage battery power supply.Solar cell E 1when the work of daylight supply-water pump also to accumulator E 2charging, night is by accumulator E 2power supply turn on pump, round the clock drought control irrigation.Window voltage comparable chip IC a, Ic boutput level is through triode VT 9drive relay J 2control under-voltage, the overvoltage of charging, protection accumulator E 2normal operation.Under-voltage control is at accumulator E 2voltage is lower than window voltage comparable chip IC awhen reference voltage, relay J 2adhesive, contact J 2-1connect accumulator E 2charging, as accumulator E 2voltage abundance, 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 14suppress backward voltage.Voltage-stabiliser tube VD 15and resistance R 46, capacitor C 15voltage 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, and therefore wireless receiver does not have decoded signal output, triode VT 3cut-off, monostable time delay relay contact J 1-1normally closed connection A.C. contactor K, contact K -1, K -2connect motor M and open 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 control monostable time delay relay contact J 1-1discharge A.C. contactor K, contact K -1, K -2disconnect motor 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 sensor electrode of having abundant water resources is by IC 1the sinusoidal wave conduction of LM741 low-frequency oscillation alternation, 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 drive IC 3555 monostable time delay relay J 1, A.C. contactor K controls motor M pumping for water pump and 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 A.C. contactor K, ac contactor contact K -1, K -2disconnect motor M power supply, guarantee that motor M has a power failure, water pump stops pumping, and prevents that water pump idle running is impaired, and running prevents that motor M overload is connected to electrothermal relay FR protection.
Soil humidity sensor, water source detecting sensor electrode are all set as AC sine 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, so that 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.
Wireless receipts/send out the high frequency stabilization remote measuring and controlling of crystal oscillator, pulse code decoding capacity are 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 frequency uses ISM frequency 2.45GHz, transmitting power 15mdb, receiving sensitivity-100mdb, 1/4 wavelength antennas transmitting/receiving, controls tens of rice to hundreds of meters of distances and irrigates.Sun-generated electric power full-bridge inverter power output 5kw mesh power 4.7kw monophase machine water pump, pump-out 5000L/nin, irrigates 20 hectares of farmlands.Large area field irrigation team control wireless telemetering capable of being combined is received/is sent out and irrigates, and promotes irrigation effect.
The utility model sun-generated electric power wireless telemetering remote control agricultural land soil humidity is automatically irrigated, solving AC network inconvenience lays, 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, agricultural land soil humidity is remained in prescribed limit, make the different crops can be in optimum growh state, the time saving and energy saving agricultural planting level of production that greatly improves.

Claims (7)

1. the full-automatic irrigation pump of solar energy radio remote measuring and controlling soil moisture content, is characterized in that: comprise two groups of sun-generated electric powers, full-bridge inverter, 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, A.C. contactor, monophase machine 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 control water pump 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 is exported 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 monostable time delay relay triode VT 3be connected in series, monostable time delay relay J 1contact connects A.C. contactor K coil and full-bridge inverter out-put supply, ac contactor contact K -1, K -2connect monophase machine water pump and full-bridge inverter out-put supply, monophase machine water pump connects overload protection electrothermal relay, one group of sun-generated electric power connects full-bridge inverter power input, and through voltage-stablizer 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, and packing engineering plastic magazine into soil surveying wireless launcher, soil humidity sensor, note is filled with epoxy sealing.
2. the full-automatic irrigation pump of a kind of solar energy radio remote measuring and controlling soil moisture content according to claim 1, it is characterized in that: soil humidity sensor has two cylinders or oblate graphite or 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. the full-automatic irrigation pump of a kind of solar energy radio remote measuring and controlling soil moisture content according to claim 1, it is characterized in that: water source detecting sensor is established spaced two graphite or stainless steel exploring electrode by cross section in one section of plastic water pipe, shielded cable connects pin and draws, 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. the full-automatic irrigation pump of a kind of solar energy radio remote measuring and controlling soil moisture content according to claim 1, it is characterized in that: wireless launcher is made up 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. the full-automatic irrigation pump of a kind of solar energy radio remote measuring and controlling soil moisture content 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 A.C. contactor K coil and full-bridge inverter out-put supply, ac contactor contact K -1, K -2connect monophase machine water pump and full-bridge inverter out-put supply, monophase machine water pump connects overload protection electrothermal relay, and demodulation soil humidity measuring information control monophase machine water pump is opened or stopped irrigating.
6. the full-automatic irrigation pump of a kind of solar energy radio remote measuring and controlling soil moisture content 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 15voltage 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 full-bridge inverter power input, 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.
7. the full-automatic irrigation pump of a kind of solar energy radio remote measuring and controlling soil moisture content according to claim 1, is characterized in that: full-bridge inverter is by insulated gate power triode VT 5, VT 6, VT 7, VT 8composition PWM pulsewidth modulation bridge type inverse, four pipe grids connect respectively PWM controller signals voltage, and collector and emitter fly-wheel diode in parallel suppresses transformer and produces backward voltage, VT 5emitter stage series connection VT 6colelctor electrode connection transformer T primary inductance TL 1one end, VT 7emitter stage series connection VT 8colelctor electrode connection transformer primary inductance TL 1the other end, sun-generated electric power positive pole meets VT 5, VT 7colelctor electrode, sun-generated electric power negative pole meets VT 6, VT 8emitter stage, transformer secondary output inductance TL 2as full-bridge inverter out-put supply, by wireless receiver monostable time delay relay J 1contact J 1-1connect A.C. contactor K control coil and full-bridge inverter out-put supply, A.C. contactor K -1, K -2order phase motor and water pump, transformer PL penetrates load and picks up current signal feedback and connect the pulsewidth modulation of PWM controller.
CN201420339929.2U 2014-06-13 2014-06-13 Solar wireless remote measurement and remote control soil moisture content full-automatic irrigation water pump Withdrawn - After Issue CN203872718U (en)

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Cited By (5)

* 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
CN104642065A (en) * 2014-06-13 2015-05-27 阮树成 Solar full automatic irrigation water pump allowing wireless remote measure and control of soil moisture content
CN108245791A (en) * 2016-12-29 2018-07-06 重庆融海超声医学工程研究中心有限公司 A kind of supersonic therapeutic system
CN113575387A (en) * 2021-07-28 2021-11-02 湖北省水利水电科学研究院 Irrigation device based on solar energy power generation
CN108245791B (en) * 2016-12-29 2024-05-03 重庆融海超声医学工程研究中心有限公司 Ultrasonic treatment system

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104642065A (en) * 2014-06-13 2015-05-27 阮树成 Solar full automatic irrigation water pump allowing wireless remote measure and control of soil moisture content
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
CN108245791A (en) * 2016-12-29 2018-07-06 重庆融海超声医学工程研究中心有限公司 A kind of supersonic therapeutic system
CN108245791B (en) * 2016-12-29 2024-05-03 重庆融海超声医学工程研究中心有限公司 Ultrasonic treatment system
CN113575387A (en) * 2021-07-28 2021-11-02 湖北省水利水电科学研究院 Irrigation device based on solar energy power generation

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