CN203925966U - Wireless telemetering remote control soil moisture three phase electric machine water pump - Google Patents
Wireless telemetering remote control soil moisture three phase electric machine water pump Download PDFInfo
- Publication number
- CN203925966U CN203925966U CN201420339953.6U CN201420339953U CN203925966U CN 203925966 U CN203925966 U CN 203925966U CN 201420339953 U CN201420339953 U CN 201420339953U CN 203925966 U CN203925966 U CN 203925966U
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- China
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- wireless
- water pump
- electric machine
- soil humidity
- phase electric
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Abstract
The utility model relates to electronic technology field, specifically a kind of wireless telemetering remote control soil moisture three phase electric machine water pump.Comprise soil humidity sensor, soil humidity measuring electric bridge, low frequency crystal oscillator, differential amplifier, cymoscope, power amplifier, wireless launcher, water source detecting sensor, water source optocoupler control switch, wireless receiver, three phase electric machine water pump, soil moisture sensing Farmland Water remote measuring and controlling wireless transmission, the field irrigation of wireless receiving Automatic Control, especially the far away or insufficient water sources in dried up source, the uneven field-crop of physical features can, in optimum growh state, improve the agricultural planting level of production greatly.Soil humidity sensor, water source detecting sensor electrode AC sine wave sensing are effectively protected electrolytic etching and are extended use.The high frequency stabilization remote measuring and controlling of crystal oscillator impulse coding, decoding capacity are large, strong interference immunity for wireless receipts/send out, 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
Technical field
The utility model relates to electronic technology field, specifically a kind of wireless telemetering remote control soil moisture three phase electric machine water pump.
background technique
The soil of growing plant need to keep certain humidity, and both inaccurate by manual 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, insufficient water sources 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 measures the wet dry information wireless transmitting of agricultural land soil, and electromagnetic wave space is transferred to the wireless receiver at water source, determines a kind of wireless telemetering remote control soil moisture three phase electric machine water pump of irrigating humidity and water supply coverage.
The utility model technical solution: comprise three-phase alternating-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, cymoscope, power amplifier, modulator, wireless launcher, water source detecting sensor, water source optocoupler control switch, wireless receiver, relay, A.C. contactor, three phase electric machine water pump, wherein, low frequency crystal oscillator sine wave output signal is through Buffer Amplifier, active band-pass filter filtering higher harmonics connects soil humidity measuring electric bridge input end, and soil humidity measuring bridge measurement brachium pontis connects soil humidity sensor, and soil humidity measuring electric bridge is exported through differential amplifier, cymoscope, power amplifier driven modulator to wireless launcher primary modulation is carried soil humidity measuring information, wireless launcher impulse coding 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, wireless receiver connects controller power source transformer output industrial frequency AC sine wave by water source detecting sensor water source optocoupler control switch transducing signal, controller power source transformer inductance L is provided
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 optocoupler phototriode and RADIO FREQUENCY receiver decoding output drive relay triode VT
3be connected in series, connect ac contactor coil and control power supply through relay contact, ac contactor contact connects three phase electric machine water pump and three-phase alternating-current supply, and three phase electric machine water pump connects overload protection thermorelay, controller power source access wireless receiver power end,
Soil humidity sensor is at least by two cylinders or oblate graphite or stainless steel electrode, 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 testing signal generator, water source optocoupler control switch, and water source detecting sensor plastic water pipe connects water source intake pipe and water pump;
Wireless launcher is made up of radio frequency crystals oscillator, radio-frequency power amplifier, pulse encoder, 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 encoder, 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 Adder, 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 control switch optocoupler phototriode to be connected in series, relay contact connects A.C. contactor control coil, ac contactor contact connects three phase electric machine water pump and three-phase ac power supply, and demodulation soil humidity measuring information control three phase electric machine water pump is opened or stopped irrigating.
The utility model produces good effect: wireless telemetering remote control agricultural land soil humidity is automatically irrigated, soil moisture remains in predetermined range, especially dried up source is far away, insufficient water sources and the uneven field-crop of physical features can be in optimum growh states, the time saving and energy saving agricultural planting level of production that greatly improves.Soil humidity sensor and water source detecting sensor electrode are all set as the effective protective measures 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, wireless receipts/send out the high frequency stabilization remote measuring and controlling of crystal oscillator, impulse coding 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 radio transmitter
Fig. 4 wireless receiving three phase electric machine water pump circuit
Embodiment
With reference to Fig. 1, 2, 3, 4, the utility model embodiment and embodiment, comprise three-phase alternating-current supply, 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, cymoscope 7, power amplifier 8, modulator 9, wireless launcher 10, water source detecting sensor 15, water source optocoupler control switch 12, wireless receiver 11, relay 13, A.C. contactor 14, three phase electric machine water pump 16, wherein, low frequency crystal oscillator 1 sine wave output signal is through Buffer Amplifier 2, active band-pass filter 3 filtering higher harmonicss connect soil humidity measuring electric bridge 5 input ends, 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, cymoscope 7, power amplifier 8 driven modulators 9 to wireless launcher 10 primary modulation are carried soil humidity measuring information, wireless launcher 10 impulse coding 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, wireless receiver 11 connects controller power source transformer output industrial frequency AC sine wave by water source detecting sensor 15 water source optocoupler control switch 12 transducing signals, power transformer inductance L is provided
2access water 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, connect A.C. contactor 14 coils and control power supply through relay 13 contacts, A.C. contactor 14 contacts connect three phase electric machine water pump 16 and three-phase alternating-current supply, and three phase electric machine water pump 16 connects overload protection thermorelay, controller power source access wireless receiver 11 power ends.
Low frequency crystal JT oscillator IC
1aproduce stable low-frequency sine, through Buffer Amplifier IC
1bimpedence matching, active band-pass filter IC
1cfiltering higher harmonics provides measuring bridge high-quality signal source, and the specific resistance that acts on soil humidity sensor RS sensing soil moisture goes to change 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, cymoscope IC
2b, IC
2c, current amplifier IC
2dnon-output signal, wireless launcher is not launched remote control command, and therefore wireless receiver does not have decoded signal output, drives triode VT
1cut-off, relay contact J
-1normally closed connection A.C. contactor K, contact K
-1, K
-2, K
-3connect three phase electric machine 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 cymoscope IC
2b, IC
2c, current amplifier IC
2d, VT
1drive wireless launcher primary modulation to carry soil humidity measuring information, radio frequency transmitter impulse coding 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 A.C. contactor K, contact K
-1, K
-2, K
-3disconnect three phase electric machine M water pump and stop irrigating, complete to set and supply water, potentiometer RP
2regulate the sensitivity of remote measuring and controlling soil moisture content.
RADIO FREQUENCY receiver water source detecting sensor detects intake pipe JSG water source soil moisture content, and the sinusoidal wave conduction of the sensor electrode industrial frequency AC of having abundant water resources, 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, A.C. contactor K to control three phase electric machine M pumping for water pump and irrigates; As intake pipe, JSG cuts off the water supply, water source detecting sensor electrode open circuit, optocoupler ELD, triode VT
2cutoff relay releasing contact J
-1disconnect A.C. contactor K, disconnect three phase electric machine M power supply, guarantee that three phase electric machine M has a power failure, water pump stops pumping, and prevents that water pump idle running is impaired, and running prevents that three phase electric machine M overload is connected to thermorelay FR protection.
Soil humidity sensor, water source detecting sensor electrode are all set as the effective protective measures 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.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 potential, is operated in the range of linearity it separately, is convenient to single power supply.Differential amplifier IC
1dpositive and negative input end amplitude limit parallel diode VD
1, VD
2prevent that signal overloading from affecting measuring accuracy.Wireless receiver power supply is by transformer T step-down insulation isolation threephase AC, and bridge is piled VD rectification, IC voltage stabilizing, capacitor C
8, C
9filtering, is used water pump electrical characteristic safe and reliable.
Wireless receipts/send out the high frequency stabilization remote measuring and controlling of crystal oscillator, impulse coding 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 receiving sensitivity, carrier frequency power and antenna radiation characteristics according to farmland under irrigation, water source distance, carrier frequency uses ISM frequency 2.45GHz, emissive power 15mdb, receiving sensitivity-100mdb, 1/4 wavelength antennas is received/is sent out, and controls tens of rice to hundreds of meters of irrigations.Three phase electric machine water pump is suitable for large size field irrigation, power of motor capacity 120kw, and pumping for water pump amount 100000L/nin, irrigates 480 hectares of farmlands.More the remote control of large size field irrigation team control wireless telemetering capable of being combined is received/is sent out, and controls and how to irrigate.
The utility model wireless telemetering remote control agricultural land soil humidity is automatically irrigated, soil moisture remains in predetermined range, 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, especially dried up source is far away, insufficient water sources and the uneven field-crop of physical features can be in optimum growh states, the time saving and energy saving agricultural planting level of production that greatly improves.
Claims (5)
1. a wireless telemetering remote control soil moisture three phase electric machine water pump, is characterized in that: comprise three-phase alternating-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, cymoscope, power amplifier, modulator, wireless launcher, water source detecting sensor, water source optocoupler control switch, wireless receiver, relay, A.C. contactor, three phase electric machine water pump, wherein, low frequency crystal oscillator sine wave output signal is through Buffer Amplifier, active band-pass filter filtering higher harmonics connects soil humidity measuring electric bridge input end, and soil humidity measuring bridge measurement brachium pontis connects soil humidity sensor, and soil humidity measuring electric bridge is exported through differential amplifier, cymoscope, power amplifier driven modulator to wireless launcher primary modulation is carried soil humidity measuring information, wireless launcher impulse coding 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, wireless receiver connects controller power source transformer output industrial frequency AC sine wave by water source detecting sensor water source optocoupler control switch transducing signal, controller power source transformer inductance L is provided
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 optocoupler phototriode and RADIO FREQUENCY receiver decoding output drive relay triode VT
3be connected in series, connect ac contactor coil and control power supply through relay contact, ac contactor contact connects three phase electric machine water pump and three-phase alternating-current supply, and three phase electric machine connects overload protection thermorelay, controller power source access wireless receiver power end.
2. a kind of wireless telemetering remote control soil moisture three phase electric machine water pump according to claim 1, it is characterized in that: soil humidity sensor is at least by two cylinders or oblate graphite or stainless steel electrode, 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 three phase electric machine water pump 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 testing signal generator, water source optocoupler control switch, and water source detecting sensor plastic water pipe connects water source intake pipe and water pump.
4. a kind of wireless telemetering remote control soil moisture three phase electric machine water pump according to claim 1, it is characterized in that: wireless launcher is made up of radio frequency crystals oscillator, radio-frequency power amplifier, pulse encoder, 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 encoder, 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 three phase electric machine water pump according to claim 1, it is characterized in that: radio frequency is high puts by aerial signal access for wireless receiver, mixing, the machine crystal oscillator signal access Adder, after mixing, extract intermediate-freuqncy signal through amplifying, demodulation, low putting to pulse decoder, pulse decoder output is through driving relay triode and water source optocoupler control switch optocoupler phototriode to be connected in series, relay contact connects ac contactor coil and controls power supply, ac contactor contact connects three phase electric machine water pump and three-phase ac power supply, demodulation soil humidity measuring information control three phase electric machine water pump is opened or is stopped irrigating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420339953.6U CN203925966U (en) | 2014-06-13 | 2014-06-13 | Wireless telemetering remote control soil moisture three phase electric machine water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420339953.6U CN203925966U (en) | 2014-06-13 | 2014-06-13 | Wireless telemetering remote control soil moisture three phase electric machine water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203925966U true CN203925966U (en) | 2014-11-05 |
Family
ID=51821786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420339953.6U Withdrawn - After Issue CN203925966U (en) | 2014-06-13 | 2014-06-13 | Wireless telemetering remote control soil moisture three phase electric machine water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203925966U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104504885A (en) * | 2014-12-31 | 2015-04-08 | 德力西电气有限公司 | Remote control system for contactor |
| CN104653442A (en) * | 2014-06-13 | 2015-05-27 | 阮树成 | Three-phase motor water pump allowing wireless remote measure and control of soil humidity |
-
2014
- 2014-06-13 CN CN201420339953.6U patent/CN203925966U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104653442A (en) * | 2014-06-13 | 2015-05-27 | 阮树成 | Three-phase motor water pump allowing wireless remote measure and control of soil humidity |
| CN104653442B (en) * | 2014-06-13 | 2016-08-03 | 阮树成 | Wireless telemetering remote control soil moisture three phase electric machine water pump |
| CN104504885A (en) * | 2014-12-31 | 2015-04-08 | 德力西电气有限公司 | Remote control system for contactor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141105 Effective date of abandoning: 20160803 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |