CN202222227U - Solar automatic remote irrigation system - Google Patents
Solar automatic remote irrigation system Download PDFInfo
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- CN202222227U CN202222227U CN2011203703091U CN201120370309U CN202222227U CN 202222227 U CN202222227 U CN 202222227U CN 2011203703091 U CN2011203703091 U CN 2011203703091U CN 201120370309 U CN201120370309 U CN 201120370309U CN 202222227 U CN202222227 U CN 202222227U
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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 a solar automatic remote irrigation system. Existing equipment is complex in structure and dependent on labor. A soil temperature-humidity sensor is buried in soil to be tested, and an output end of the soil temperature-humidity sensor, an output end of an air temperature-humidity sensor and an output end of a liquid level sensor are respectively connected with an input end of a signal conditioning device. An output end of the signal conditioning device is connected with an input end of a lower computer, and a radio modem and a touch screen of the lower computer are respectively connected with the lower computer. An output end of the lower computer is connected with a first solid-state relay and a second solid-state relay respectively, the first solid-state relay controls opening and closing of an irrigation control valve, and the second solid-state relay controls on and off of a water pump. An outlet pipeline of the water pump is connected to an inlet of a water reservoir, and the irrigation control valve is disposed on an outlet pipeline of the water reservoir. The solar automatic remote irrigation system can be set in different irrigation modes for automatic irrigation according to specific crop conditions, water is more fully utilized, and unnecessary waste is avoided.
Description
Technical field
The utility model belongs to field of agricultural irrigation, relates to a kind of solar energy remote auto irrigation system.
Background technology
At first, in the field that many electric energy can't arrive, to the supply that the water resource utilization of agricultural crops can only be leaned on natural conditions, the growing environment of crops can only be left it to chance, and this growth to crop is disadvantageous naturally.Secondly, in the irrigation control to crops, major part can only be leaned on artificial experience, does not have concrete parameter for reference, and therefore there is very big waste in the utilization to water resource.At last, large tracts of land farm crop irrigation need artificially be patrolled to the environmental condition understanding in farmland, needs very big manpower.The utility model has been made corresponding solution to these problems.This patent is compared with 02139540.3 patent; More simple in the control circuit design not only; Also more convenient in man-machine interface, but the condition of host computer real time modifying automatic irrigation not only, but also real time modifying automatic irrigation condition of each slave computer terminal; On electric supply installation, more meet large-scale farm and irrigate characteristics, utilize solar energy can realize energy resource supply.
Summary of the invention
The utility model purpose is exactly problems such as the energy that is directed against agricultural irrigation obtains, the accurate detection of parameter, large tracts of land irrigation, and a kind of agriculture automatic irrigation system of realizing long-range accurate control is provided.
The technical scheme that the utility model technical solution problem is taked is:
Solar energy remote auto irrigation system; Comprise solar power supply apparatus, slave computer, soil temperature and humidity sensor, aerial temperature and humidity sensor, liquid level sensor, signal regulating device, suction pump, irrigation control valve, touch-screen, slave computer data radio station, host computer data radio station, first solid-state relay, second solid-state relay, host computer and cistern.
The soil temperature and humidity sensor is embedded in the tested soil; The output of soil temperature and humidity sensor is connected with an input of signal regulating device; The output of aerial temperature and humidity sensor is connected with another input of signal regulating device, and the output of the liquid level sensor in the cistern is connected with another input of signal regulating device; The output of signal regulating device is connected with the input of slave computer, and the slave computer data radio station is connected with slave computer respectively with touch-screen.
The output of slave computer is connected with first solid-state relay, second solid-state relay respectively, and the switch of control valve is irrigated in the control of first solid-state relay, the switch of second solid-state relay control suction pump; The output pipe of suction pump is connected to the cistern inlet, and the cistern output pipe is provided with the irrigation control valve, and solar power supply apparatus is the slave computer power supply.
Host computer data radio station and slave computer data radio station radio communication, the host computer data radio station is connected with host computer.
There is the identical signal conditioning circuit of multichannel structure described signal regulating device inside, and every road signal conditioning circuit comprises first resistance R 1, second resistance R 2, the 3rd resistance R 3 first capacitor C 1, second capacitor C 2, the 3rd capacitor C 3, the 4th resistance R 4, the 5th resistance R 5, operational amplifier and diode D1.
Each sensor signal output links to each other with an end of first resistance R 1, an end of second resistance R 2, an end of the 3rd resistance R 3 and an end of first capacitor C 1, and the other end of the other end of first resistance R 1, second resistance R 2, the other end of first capacitor C 1 also connect ground; One end of second capacitor C 2 links to each other with the operational amplifier positive input with the other end of the 3rd resistance R 3, the other end ground connection of second capacitor C 2; One end of the 3rd capacitor C 3, the 4th resistance R 4 one ends link to each other with the operational amplifier negative input; Operational amplifier output terminal is connected with an end of the 5th resistance R 5; The other end of the other end of the other end of the 5th resistance R 5, the 3rd capacitor C 3, the 4th resistance R 4, diode D1 negative pole are as the output of signal conditioning circuit, diode D1 plus earth.
First solid-state relay is identical with the driving circuit structure of second solid-state relay, and each drive circuit comprises the 6th resistance R 6, the seven resistance R 7 and triode Q1; One end of the 6th resistance R 6 is connected with the output of slave computer; The other end of the 6th resistance R 6 is connected with the base stage of triode Q1; The grounded emitter of triode Q1; The colelctor electrode of triode Q1 is connected the input control end minus earth of solid-state relay, another termination+12V power supply of the 7th resistance R 7 with an end of the 7th resistance R 7, the input control end positive pole of solid-state relay.
The utility model has following beneficial effect with respect to prior art:
Realized collection, transmission and the control of large tracts of land farmland parameter, central control room can be grasped the ambient conditions in farmland in real time and make handled; System can be provided with different irrigation patterns according to concrete crop situation and do the automatic irrigation processing, and is more abundant to the water resource utilization, avoids unnecessary waste; System can carry out automatic irrigation control to the farmland according to environmental condition and time conditions, also can manually irrigate according to user's needs, has saved human resources.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is signal conditioning circuit figure in the signal regulating device;
Fig. 3 is solid-state relay drive circuit figure.
Embodiment
As shown in Figure 1; Solar energy remote auto irrigation system; Comprise solar power supply apparatus 14, slave computer 7, soil temperature and humidity sensor 2, aerial temperature and humidity sensor 4, liquid level sensor 13, signal regulating device 3, suction pump 11, irrigate control valve 9, touch-screen 6, slave computer data radio station 16, host computer data radio station 5, the first solid-state relays 8, second solid-state relay 10, host computer 15 and cistern 12.
Soil temperature and humidity sensor 2 (totally 3 tunnel) is embedded on the difference of tested soil, each soil temperature and humidity sensor two-way output signal arranged, promptly temperature and moisture signal are connected with the two-way input of signal regulating device respectively; The two-way output signal of aerial temperature and humidity sensor is connected with the two-way input in addition of signal regulating device, and 1 tunnel output signal of the liquid level sensor in the cistern is connected with 1 road input again of signal regulating device; The output of signal regulating device 9 the tunnel is connected with 9 road inputs of slave computer totally, and the slave computer data radio station is connected with slave computer two-way serial ports through serial ports respectively with touch-screen.
The output of slave computer is connected with first solid-state relay, second solid-state relay respectively through the I/O mouth, and the switch of control valve is irrigated in the control of first solid-state relay, the switch of second solid-state relay control suction pump; The output pipe of suction pump is connected to the cistern inlet, and the cistern output pipe is provided with the irrigation control valve, and solar power supply apparatus is the slave computer power supply.
Host computer data radio station and slave computer data radio station radio communication, transmission range can reach more than the 2km, and the host computer data radio station is connected with host computer.
As shown in Figure 2; There is the identical signal conditioning circuit of multichannel structure signal regulating device inside, and every road signal conditioning circuit comprises first resistance R 1, second resistance R 2, the 3rd resistance R 3 first capacitor C 1, second capacitor C 2, the 3rd capacitor C 3, the 4th resistance R 4, the 5th resistance R 5, operational amplifier and diode D1.
Each sensor signal output links to each other with an end of first resistance R 1, an end of second resistance R 2, an end of the 3rd resistance R 3 and an end of first capacitor C 1, and the other end of the other end of first resistance R 1, second resistance R 2, the other end of first capacitor C 1 also connect ground; One end of second capacitor C 2 links to each other with the operational amplifier positive input with the other end of the 3rd resistance R 3, the other end ground connection of second capacitor C 2; One end of the 3rd capacitor C 3, the 4th resistance R 4 one ends link to each other with the operational amplifier negative input; Operational amplifier output terminal is connected with an end of the 5th resistance R 5; The other end of the other end of the other end of the 5th resistance R 5, the 3rd capacitor C 3, the 4th resistance R 4, diode D1 negative pole are as the output of signal conditioning circuit, diode D1 plus earth.
As shown in Figure 3, first solid-state relay is identical with the driving circuit structure of second solid-state relay, and each drive circuit comprises the 6th resistance R 6, the seven resistance R 7 and triode Q1; One end of the 6th resistance R 6 is connected with the output of slave computer; The other end of the 6th resistance R 6 is connected with the base stage of triode Q1; The grounded emitter of triode Q1; The colelctor electrode of triode Q1 is connected the input control end minus earth of solid-state relay, another termination+12V power supply of the 7th resistance R 7 with an end of the 7th resistance R 7, the input control end positive pole of solid-state relay.
Slave computer 7 is selected Freescale SCM system (model is MC9S12xs128) for use, and soil temperature and humidity sensor (1,2,3) is selected TDR-3A type soil moisture temperature (one) sensor for use, and aerial temperature and humidity sensor 7 is selected AW3020 for use; A liquid level sensor 5 is selected WMY-SF type fluid level transmitter for use, and touch-screen is selected LEVI777T-V for use, and data radio station is with a day smart ND258A digital transmission module; Solid-state relay is selected MGR-1 for use; Suction pump is selected ZQB3X4-12 for use, and magnetic valve is selected DN-25 for use, and it is 250 Ω of %0.1 that the sampling resistor in the signal conditioning circuit adopts precision; Power 1/4w, suction pump adopts ZF-LI2500.Solar power supply apparatus is that oneself is researched and developed, and can export 24V, 12V, 5V direct current, and wherein 24V power is maximum.
The whole system circuit is simple and reliable, and favorable expandability has very high cost performance.
The course of work of native system is following:
But the instantaneous value of native system real-time display multiway sensor, and can do corresponding control according to show value.
1, mode of operation
The display part mainly shows 9 tunnel sensor signal respective value, comprises 3 soil moisture values and 3 soil temperature values, the liquid level degree of depth of air humidity and cistern.
Control section comprises manual control model and automatic control mode.Under manual control model, the hand control switch that suction pump and magnetic valve are all passable.
Under automatic control mode, the relevant parameters value need be set.The automatic control function of native system has three kinds: according to the environmental condition automatic irrigation, according to time conditions automatic irrigation, automatic control of liquid.When the user selects according to the ring automatic irrigation, the initial value and the stop value of automatic irrigation need be set, comprise soil temperature average, soil moisture average, air themperature average, air humidity average.The user selected by time during automatic irrigation, needed to select to begin the time of irrigating and stopping irrigating.Automatic control of liquid needs the user that initial liquid level is set and stops liquid level.
2, AD conversion
Sensor signal is 4～20mA current signal, therefore needs to be transformed to voltage signal through sampling resistor, and through the impedance conversion of LPF and voltage follower, and behind the overvoltage protection of Zener diode, the AD input of input embedded controller.
3, calculation of parameter
1), soil temperature calculates
The soil temperature sensor is output as 4～20mA normalized current signal, need be converted into the AD converter that voltage signal is sent into single-chip microcomputer.In calculating, need to convert current value into signal sampling value, conversion formula suc as formula:
(1)
In the formula; T is a temperature; K, b are sensor coefficient;
is AD conversion reference voltage, and R1, R2 are sampling resistor.
2), soil moisture is calculated
Humidity signal is 4 ~ 20mA current signal of standard, and its conversion formula is following:
Wherein a, b, c, d, m, l are sensor coefficient, and I is a sensor current, and H is a humidity value.Similar temperature, in the Practical Calculation process, Coefficient m also need be done the transformation of coefficient of formula 1.
3) aerial temperature and humidity and the liquid level degree of depth.
Aerial temperature and humidity and the output of the liquid level degree of depth are 4 ~ 20mA current signal of standard, and its output valve and electric current are linear and formula 1 is similar, and parameter is different, does not therefore enumerate one by one.
4, digital filtering
In the real data sampling process,, adopt digital filtering method to reduce error for eliminating error.Concrete filtering method is following: n numerical value is sorted S from small to large
1, S
2S
n, removing maximum w and v minimum numerical value, a remaining n-w-v numerical value is averaged obtains effective temp. and humidity voltage signal amplitude.Computing formula is:
(3)
5, PC control
The telecommunication of system's slave computer and host computer is accomplished through data radio station.
1), communication protocol
The communication of upper and lower computer is provided with corresponding software protocol and communicates with crossing, and the software protocol content comprises: the data-signal of data frame head, passage, each road sensor, the state of each by-pass valve control, irrigation pattern, irrigate parameter, and check bit etc.Communication pattern: host computer inquiry-slave computer is replied.Host computer is regularly inquired about each road slave computer through the mode of timer, after slave computer is received host computer request signal separately, sends a frame partial data, and host computer is received data and through after the check correctly, shown each road parameter and each valve state value.
2), irrigate control
But the irrigation control model of host computer real time modifying slave computer, so host computer has relevant parameters that the interface is set, similar with slave computer.Difference is, after the setting of host computer parameter finishes, needs to click " transmission data " button and sends parameter to slave computer; After if slave computer is received control command; Can return corresponding data, then host computer shows the success of transmission data, otherwise fixed time interval sends 3 times continuously; Can not be successful if send, then show and send failure.Because the communication of upper and lower computer is accomplished through serial ports, therefore the serial data conflict very likely takes place in communication process, therefore need take the serial ports contention protocols, guarantee the exclusive use of each operation to serial ports.Through test, be under the 1 second/inferior situation at the system data refresh rate, the data of native system are sent success rate and are reached more than 95%.If the Refresh Data rate drops to 2 seconds/inferior, then data are sent success rate and can be reached more than 99%, have improved the reliability of Long-distance Control.
Claims (3)
1. solar energy remote auto irrigation system; Comprise solar power supply apparatus, slave computer, soil temperature and humidity sensor, aerial temperature and humidity sensor, liquid level sensor, signal regulating device, suction pump, irrigation control valve, touch-screen, slave computer data radio station, host computer data radio station, first solid-state relay, second solid-state relay, host computer and cistern;
The soil temperature and humidity sensor is embedded in the tested soil; The output of soil temperature and humidity sensor is connected with an input of signal regulating device; The output of aerial temperature and humidity sensor is connected with another input of signal regulating device, and the output of the liquid level sensor in the cistern is connected with another input of signal regulating device; The output of signal regulating device is connected with the input of slave computer, and the slave computer data radio station is connected with slave computer respectively with touch-screen;
The output of slave computer is connected with first solid-state relay, second solid-state relay respectively, and the switch of control valve is irrigated in the control of first solid-state relay, the switch of second solid-state relay control suction pump; The output pipe of suction pump is connected to the cistern inlet, and the cistern output pipe is provided with the irrigation control valve, and solar power supply apparatus is the slave computer power supply;
Host computer data radio station and slave computer data radio station radio communication, the host computer data radio station is connected with host computer.
2. solar energy remote auto irrigation system according to claim 1; It is characterized in that: there is the identical signal conditioning circuit of multichannel structure described signal regulating device inside, and every road signal conditioning circuit comprises first resistance R 1, second resistance R 2, the 3rd resistance R 3 first capacitor C 1, second capacitor C 2, the 3rd capacitor C 3, the 4th resistance R 4, the 5th resistance R 5, operational amplifier and diode D1;
Each sensor signal output links to each other with an end of first resistance R 1, an end of second resistance R 2, an end of the 3rd resistance R 3 and an end of first capacitor C 1, and the other end of the other end of first resistance R 1, second resistance R 2, the other end of first capacitor C 1 also connect ground; One end of second capacitor C 2 links to each other with the operational amplifier positive input with the other end of the 3rd resistance R 3, the other end ground connection of second capacitor C 2; One end of the 3rd capacitor C 3, the 4th resistance R 4 one ends link to each other with the operational amplifier negative input; Operational amplifier output terminal is connected with an end of the 5th resistance R 5; The other end of the other end of the other end of the 5th resistance R 5, the 3rd capacitor C 3, the 4th resistance R 4, diode D1 negative pole are as the output of signal conditioning circuit, diode D1 plus earth.
3. solar energy remote auto irrigation system according to claim 1 is characterized in that: first solid-state relay is identical with the driving circuit structure of second solid-state relay, and each drive circuit comprises the 6th resistance R 6, the seven resistance R 7 and triode Q1; One end of the 6th resistance R 6 is connected with the output of slave computer; The other end of the 6th resistance R 6 is connected with the base stage of triode Q1; The grounded emitter of triode Q1; The colelctor electrode of triode Q1 is connected the input control end minus earth of solid-state relay, another termination+12V power supply of the 7th resistance R 7 with an end of the 7th resistance R 7, the input control end positive pole of solid-state relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203703091U CN202222227U (en) | 2011-09-28 | 2011-09-28 | Solar automatic remote irrigation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203703091U CN202222227U (en) | 2011-09-28 | 2011-09-28 | Solar automatic remote irrigation system |
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| CN202222227U true CN202222227U (en) | 2012-05-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011203703091U Expired - Lifetime CN202222227U (en) | 2011-09-28 | 2011-09-28 | Solar automatic remote irrigation system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102428861A (en) * | 2011-09-28 | 2012-05-02 | 杭州电子科技大学 | Solar remote automatic irrigation system |
| 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 |
| 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 |
| CN106561417A (en) * | 2016-10-31 | 2017-04-19 | 江西师范大学 | Intelligent household pot culture watering system |
| CN108157145A (en) * | 2016-12-08 | 2018-06-15 | 天津职业技术师范大学 | A kind of novel plant irrigation rig |
-
2011
- 2011-09-28 CN CN2011203703091U patent/CN202222227U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102428861A (en) * | 2011-09-28 | 2012-05-02 | 杭州电子科技大学 | Solar remote automatic irrigation system |
| 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 |
| 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 |
| CN106561417A (en) * | 2016-10-31 | 2017-04-19 | 江西师范大学 | Intelligent household pot culture watering system |
| CN108157145A (en) * | 2016-12-08 | 2018-06-15 | 天津职业技术师范大学 | A kind of novel plant irrigation rig |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120523 Effective date of abandoning: 20130327 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20120523 Effective date of abandoning: 20130327 |
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| RGAV | Abandon patent right to avoid regrant |