CN203872717U - Wireless telemetry and telecontrol soil humidity direct current motor water pump - Google Patents
Wireless telemetry and telecontrol soil humidity direct current motor water pump Download PDFInfo
- Publication number
- CN203872717U CN203872717U CN201420339922.0U CN201420339922U CN203872717U CN 203872717 U CN203872717 U CN 203872717U CN 201420339922 U CN201420339922 U CN 201420339922U CN 203872717 U CN203872717 U CN 203872717U
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- China
- Prior art keywords
- soil humidity
- direct current
- water pump
- wireless
- water source
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Abstract
The utility model relates to the technical field of electronics, in particular to a wireless telemetry and telecontrol soil humidity direct current motor water pump. The wireless telemetry and telecontrol soil humidity direct current motor water pump comprises a soil humidity sensor, a soil humidity measuring bridge, a low-frequency crystal oscillator, a differential amplifier, a power amplifier, a wireless transmitter, a water source detection sensor, a water source optical-coupling control switch, a wireless receiver and a direct current motor water pump. The wireless telemetry and telecontrol soil humidity direct current motor water pump achieves soil humidity moisture telemetry and telecontrol and full-automatic farm irrigation control, crops far away from water sources or lack of the water sources and located in uneven terrain where alternating current power supplies are inconvenient to lay can be in an optimal growing state, the agricultural planting production level is greatly improved, and the electrolytic corrosion is effectively prevented and the service life is prolonged through sine wave sensing of electrodes of the soil humidity sensor and the water source detection sensor. The wireless telemetry and telecontrol soil humidity direct current motor water pump adopts wireless receiving/transmitting crystal oscillation high stable frequency telemetry and telecontrol, is large in pulse encoding and decoding capacity and good in interference resistance, enables adjacent farmlands to run stably and reliable and not to be interfered, is widely suitable for farm irrigation, guarantees the soil humidity and meets the crop growing requirement.
Description
Technical field
The utility model relates to electronic technology field, specifically a kind of wireless telemetering remote control 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 AC network inconvenience laying, the rare arid poor ridge area insufficient water sources of rainwater or dried up source are far away, or the inconvenience irrigation of the uneven farmland of physical features, affect 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 and sets a kind of wireless telemetering remote control soil moisture direct current generator water pump of irrigating humidity, water supply coverage.
The utility model technical solution: comprise accumulator, controller power source, soil humidity sensor, soil humidity measuring electric bridge, low frequency crystal oscillator, buffer amplifier, active band-pass filter, differential amplifier, wave detector, power amplifier, modulator, wireless launcher, water source detecting sensor, water source optocoupler gauge tap, wireless receiver, 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, 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, wireless receiver provides transducing signal, LC inductance of oscillator TL by the sinusoidal wave access of water source detecting sensor LC oscillator output low frequency alternation water source optocoupler gauge tap
2access water source, one end detecting sensor exploring electrode, the other end is through capacitance C
6connect diode rectification, capacitor filtering, current-limiting resistance to triode VT
2electric current amplifies driving optocoupler light emitting diode, and phototriode and less radio-frequency receiver decoding output drive relay triode VT
3be connected in series, through relay contact, connect direct current generator water pump and accumulator, direct current generator also connects the spark interference that RC capacitance-resistance suppresses brush generation, controller power source access wireless receiver power end,
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;
Water source detecting sensor is established spaced two stainless steel exploring electrodes 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 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 through driving relay triode and water source optocoupler gauge tap optocoupler phototriode to be connected in series, relay contact connects direct current generator water pump, and demodulation soil humidity measuring information is controlled direct current generator water pump and opened or stop irrigating.
The utility model produces good effect: the farmland that AC network inconvenience is laid, wireless telemetering remote control soil moisture is automatically irrigated, keep soil moisture in prescribed limit, especially dried up source is far away, the uneven field-crop of insufficient water sources and physical features 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 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, 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 wireless receiver direct current generator water pump circuit
Embodiment
With reference to Fig. 1, 2, 3, 4, the utility model embodiment and embodiment, comprise accumulator, controller power source, 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, wave detector 7, power amplifier 8, modulator 9, wireless launcher 10, water source detecting sensor 15, water source optocoupler gauge tap 12, wireless receiver 11, 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, 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, wireless receiver 11 provides transducing signal, LC oscillator 16 inductance TL by the sinusoidal wave access of water source detecting sensor 15LC oscillator 16 output low frequency alternations water source optocoupler gauge tap 12
2water receiving source, one end detecting sensor 15 exploring electrodes, the other end is through capacitance C
6connect diode rectification, capacitor filtering, current-limiting resistance to triode VT
2electric current amplifies driving optocoupler light emitting diode, and optocoupler phototriode and wireless receiver 11 decodings outputs drive relay 13 triode VT
3be connected in series, through relay 13 contacts, connect direct current generator water pump 14 and accumulator, direct current generator 14 also connects the spark interference that RC capacitance-resistance suppresses brush generation, controller power source access wireless receiver 11 power ends.
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, driving triode VT
1cut-off, relay contact J
-1normally closed connection A.C. contactor K, contact K
-1, K
-2connect direct current generator 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 relay contact J
-1discharge disconnection direct current generator M water pump and stop irrigating, complete to set and supply water.Regulator potentiometer RP
2change the sensitivity of remote measuring and controlling soil moisture content.
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 obtains the sinusoidal wave conduction of low-frequency alternating, through capacitance C
6, diode VD
5, VD
6rectification, capacitor C
7filtering, triode VT
2electric current amplifies driving optocoupler ELD, wireless receiver decoding output signal drives relay J to control direct current generator 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
2cutoff relay releasing contact J
-1disconnect direct current generator M power supply, guarantee that direct current generator M has a power failure, water pump stops pumping, and prevents that water pump idle running is impaired, and direct current generator meets overload protection electrothermal relay FR and capacitance-resistance RC network supression running brush generation spark disturbs.
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, single supply powered battery easy to use separately.Differential amplifier IC
1dpositive and negative input amplitude limit parallel diode VD
1, VD
2prevent that signal overloading from reducing certainty of measurement.Wireless receiving controller power source is by voltage-stabilizing device IC, filter capacitor C
11, C
12connect accumulator, suppress water pump operation voltage pulsation, stablize remote measuring and controlling.
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 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 according to farmland under irrigation, water source distance, carrier frequency is used ISM frequency 2.45GHz, transmitting power 30mw, receiving sensitivity-100mdb, 1/4 wavelength antennas is controlled tens of rice to hundreds of meters of irrigations.
The utility model is suitable for the field irrigation that it is inconvenient that AC network is powered, wireless telemetering remote control soil, keep soil moisture in prescribed limit, especially dried up source is far away, insufficient water sources and the uneven field-crop of physical features can be in optimum growh states, 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, the time saving and energy saving agricultural planting level of production that greatly improves.
Embodiment 1, voltage 48V storage battery power supply, and power output 1kw permanent magnet DC motor water pump, pump-out 1000L/nin, irrigates 5 hectares of farmlands.
Embodiment 2, voltage 48V two group storage battery series-feds, and power output 5kw wire-wound excitation DC motor and water pump, pump-out 5000L/nin, irrigates 25 hectares of farmlands.
Claims (5)
1. a wireless telemetering remote control soil moisture direct current generator water pump, is characterized in that: comprise accumulator direct current supply, controller power source, soil humidity sensor, soil humidity measuring electric bridge, low frequency crystal oscillator, buffer amplifier, active band-pass filter, differential amplifier, wave detector, power amplifier, modulator, wireless launcher, water source detecting sensor, water source optocoupler gauge tap, wireless receiver, 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, 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, wireless receiver provides transducing signal, LC inductance of oscillator TL by the sinusoidal wave access of water source detecting sensor LC oscillator output low frequency alternation water source optocoupler gauge tap
2access water source, one end detecting sensor exploring electrode, the other end is through capacitance C
6connect diode rectification, capacitor filtering, current-limiting resistance to triode VT
2electric current amplifies driving optocoupler light emitting diode, and phototriode and less radio-frequency receiver decoding output drive relay triode VT
3be connected in series, through relay contact, connect direct current generator water pump and accumulator direct current supply, direct current generator also connects the spark interference that RC capacitance-resistance suppresses brush generation, controller power source access wireless receiver power end.
2. a kind of wireless telemetering remote control 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 wireless telemetering remote control 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 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. a kind of wireless telemetering remote control 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 wireless telemetering remote control 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 through driving relay triode and water source optocoupler gauge tap phototriode to be connected in series, relay contact connects direct current generator water pump, and demodulation soil humidity measuring information is controlled direct current generator water pump and opened or stop irrigating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420339922.0U CN203872717U (en) | 2014-06-13 | 2014-06-13 | Wireless telemetry and telecontrol soil humidity direct current motor water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420339922.0U CN203872717U (en) | 2014-06-13 | 2014-06-13 | Wireless telemetry and telecontrol soil humidity direct current motor water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203872717U true CN203872717U (en) | 2014-10-15 |
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ID=51673290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420339922.0U Expired - Fee Related CN203872717U (en) | 2014-06-13 | 2014-06-13 | Wireless telemetry and telecontrol soil humidity direct current motor water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203872717U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104642066B (en) * | 2014-06-13 | 2017-01-04 | 阮树成 | Wireless telemetering remote control soil moisture direct current generator water pump |
| CN109644837A (en) * | 2019-01-25 | 2019-04-19 | 怀化学院 | A kind of hilly and mountainous land orchard intelligent irrigation decision system based on Internet of Things |
| CN113776604A (en) * | 2021-11-15 | 2021-12-10 | 临沂泽宇环保科技有限公司 | Marine environment monitoring device based on Internet of things |
-
2014
- 2014-06-13 CN CN201420339922.0U patent/CN203872717U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104642066B (en) * | 2014-06-13 | 2017-01-04 | 阮树成 | Wireless telemetering remote control soil moisture direct current generator water pump |
| CN109644837A (en) * | 2019-01-25 | 2019-04-19 | 怀化学院 | A kind of hilly and mountainous land orchard intelligent irrigation decision system based on Internet of Things |
| CN113776604A (en) * | 2021-11-15 | 2021-12-10 | 临沂泽宇环保科技有限公司 | Marine environment monitoring device based on Internet of things |
| CN113776604B (en) * | 2021-11-15 | 2022-02-18 | 临沂泽宇环保科技有限公司 | Marine environment monitoring device based on Internet of things |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141015 Termination date: 20160613 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |