CN111492957A - Solar wireless irrigation controller - Google Patents
Solar wireless irrigation controller Download PDFInfo
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- CN111492957A CN111492957A CN202010291513.8A CN202010291513A CN111492957A CN 111492957 A CN111492957 A CN 111492957A CN 202010291513 A CN202010291513 A CN 202010291513A CN 111492957 A CN111492957 A CN 111492957A
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- 230000002262 irrigation Effects 0.000 title claims abstract description 55
- 238000003973 irrigation Methods 0.000 title claims abstract description 55
- 239000013078 crystal Substances 0.000 claims abstract description 19
- 238000002955 isolation Methods 0.000 claims abstract description 19
- 239000003990 capacitor Substances 0.000 claims description 33
- 230000005693 optoelectronics Effects 0.000 claims description 9
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 20
- 238000005516 engineering process Methods 0.000 description 6
- 238000004891 communication Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000002689 soil Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G25/00—Watering gardens, fields, sports grounds or the like
- A01G25/16—Control of watering
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/06—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using resistors or capacitors, e.g. potential divider
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/30—Electrical components
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/12—Technologies relating to agriculture, livestock or agroalimentary industries using renewable energies, e.g. solar water pumping
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Water Supply & Treatment (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Automation & Control Theory (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Transceivers (AREA)
Abstract
The invention discloses a solar wireless irrigation controller which comprises a main control circuit, a bootstrap booster circuit, a debugging circuit, a radio frequency circuit, a power supply indicating circuit, a direct current power supply circuit, a wide input circuit, a crystal oscillator circuit, a MAX3485 circuit, a photoelectric isolation circuit and a switch control circuit, wherein the bootstrap booster circuit, the debugging circuit, the radio frequency circuit, the power supply indicating circuit, the direct current power supply circuit, the crystal oscillator circuit, the MAX3485 circuit and the photoelectric isolation circuit are all connected with the main control circuit, the wide input circuit and the crystal oscillator circuit are also all connected with the direct current power supply circuit, and the switch control circuit is connected with the photoelectric isolation circuit. The solar wireless irrigation controller has the following beneficial effects: simple installation, low cost, green and energy saving, and high system stability.
Description
Technical Field
The invention relates to the field of irrigation control, in particular to a solar wireless irrigation controller.
Background
Agricultural irrigation mainly refers to irrigation operation performed on agricultural cultivation areas. Agricultural irrigation methods can be generally divided into traditional ground irrigation, general sprinkler irrigation and micro irrigation. Agricultural irrigation methods can be generally divided into traditional ground irrigation, general sprinkler irrigation and micro irrigation. Traditional ground irrigation comprises ridge irrigation, furrow irrigation, flood irrigation and flood irrigation, but the irrigation methods usually consume a large amount of water and have low water utilization capacity, so that the traditional ground irrigation is an unreasonable agricultural irrigation method. The intelligent agricultural irrigation system relates to various high and new technologies such as a sensor technology, an automatic control technology, a computer technology, a wireless communication technology and the like, and the application of the new technologies lays an important foundation for the conversion of the traditional labor-intensive type to the technology-intensive type of agriculture in China. The intelligent agricultural irrigation system can optimize the water consumption according to the types of plants and soil and the illumination quantity, and can also monitor the humidity of the soil after rain. The existing irrigation controller is troublesome to install, high in cost, large in energy consumption and low in system stability.
Disclosure of Invention
The invention aims to solve the technical problem of providing a solar wireless irrigation controller which is simple and convenient to install, low in cost, green, energy-saving and high in system stability, aiming at the defects in the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a construct a solar energy wireless irrigation controller, includes master control circuit, bootstrapping boost circuit, debugging circuit, radio frequency circuit, power indicating circuit, DC power supply circuit, wide input circuit, crystal oscillator circuit, MAX3485 circuit, optoelectronic isolation circuit and on-off control circuit, bootstrapping boost circuit, debugging circuit, radio frequency circuit, power indicating circuit, DC power supply circuit, crystal oscillator circuit, MAX3485 circuit and optoelectronic isolation circuit all with master control circuit connects, wide input circuit and crystal oscillator circuit still all with DC power supply circuit connects, on-off control circuit with optoelectronic isolation circuit connects.
In the solar wireless irrigation controller, the main control circuit comprises a main control chip, and the model of the main control chip is STM32F103RBT 6.
In the solar wireless irrigation controller, the radio frequency circuit comprises a radio frequency chip, and a third pin, a fourth pin, a fifth pin, a sixth pin and a seventh pin of the radio frequency chip are respectively and correspondingly connected with a thirty-fifth pin, a twenty-ninth pin, a thirty-fourth pin and a thirty-third pin of the main control chip.
In the solar wireless irrigation controller, the power supply indicating circuit comprises a power supply indicating lamp and a twenty-seventh resistor, and the anode of the power supply indicating lamp is respectively connected with the first pin, the nineteenth pin and the sixty-fourth pin of the main control chip.
In the solar wireless irrigation controller, the wide input circuit comprises a DC-DC converter, a twenty-fifth capacitor, a fifth diode, a second inductor, a twenty-ninth capacitor, a thirty-fourth capacitor and a twenty-fourth resistor, a first pin of the DC-DC converter is connected to an eighth pin of the DC-DC converter, a cathode of the fifth diode and one end of the second inductor through the twenty-fifth capacitor, the other end of the second inductor is connected to one end of the twenty-ninth capacitor, one end of the thirty-fourth capacitor and one end of the twenty-fourth resistor, a seventh pin of the DC-DC converter is connected to an anode of the fifth diode, the other end of the twenty-ninth capacitor and the other end of the thirty-fourth capacitor and grounded, the other end of the twenty-fourth resistor is connected to the first pin, the second pin, the third pin, the fourth pin, the fifth pin, the cathode of the fifth diode, the cathode, The nineteenth pin is connected with the sixty-fourth pin.
In the solar wireless irrigation controller, the crystal oscillator circuit comprises a real-time clock chip, a forty-second capacitor, a ninth resistor and a tenth resistor, wherein an eighth pin of the real-time clock chip is respectively connected with one end of the forty-second capacitor, one end of the ninth resistor and one end of the tenth resistor, the other end of the forty-second capacitor is grounded, a sixth pin of the real-time clock chip is respectively connected with the other end of the ninth resistor and a fifty-eighth pin of the main control chip, and a fifth pin of the real-time clock chip is respectively connected with the other end of the tenth resistor and a fifty-ninth pin of the main control chip.
In the solar wireless irrigation controller, the MAX3485 circuit comprises a fifty-th resistor, a fifth triode and a MAX485 interface chip, wherein a base electrode of the fifth triode is connected with a sixteenth pin of the main control chip through the fifty-th resistor, a collector electrode of the fifth triode is respectively connected with a second pin and a third pin of the MAX485 interface chip, a first pin of the MAX485 interface chip is connected with a seventeenth pin of the main control chip, and a fourth pin of the MAX485 interface chip is connected with a sixteenth pin of the main control chip.
In the solar wireless irrigation controller of the invention, the photoelectric isolation circuit comprises a twenty-eighth resistor, an eighth photoelectric coupler, a twenty-ninth resistor, a ninth photoelectric coupler, a tenth photoelectric coupler and an eleventh photoelectric coupler, one end of the twenty-eighth resistor is connected with the thirty-seventh pin of the main control chip, the other end of the twenty-eighth resistor is respectively connected with the first pin of the eighth photoelectric coupler and the first pin of the eleventh photoelectric coupler, one end of the twenty-ninth resistor is connected with the thirty-eighth pin of the main control chip, the other end of the twenty-ninth resistor is respectively connected with the first pin of the ninth photoelectric coupler and the first pin of the tenth photoelectric coupler, and a second pin of the eighth photoelectric coupler is respectively connected with a second pin of the ninth photoelectric coupler, a second pin of the tenth photoelectric coupler and a second pin of the eleventh photoelectric coupler.
In the solar wireless irrigation controller, the switch control circuit comprises a sixteenth MOS transistor, an eighteenth MOS transistor, a fourth coil and a fifth coil, wherein a second pin of the sixteenth MOS transistor is connected with a third pin of the eleventh photoelectric coupler, a fourth pin of the sixteenth MOS transistor is connected with a fourth pin of the ninth photoelectric coupler, a seventh pin of the sixteenth MOS transistor is connected with the fifth coil, a seventh pin of the eighteenth MOS transistor is connected with the fourth coil, a second pin of the eighteenth MOS transistor is connected with a third pin of the tenth photoelectric coupler, and a fourth pin of the eighteenth MOS transistor is connected with a fourth pin of the eighth photoelectric coupler.
The solar wireless irrigation controller has the following beneficial effects: the wireless solar energy power supply system is provided with a main control circuit, a bootstrap booster circuit, a debugging circuit, a radio frequency circuit, a power supply indicating circuit, a direct current power supply circuit, a wide input circuit, a crystal oscillator circuit, an MAX3485 circuit, a photoelectric isolation circuit and a switch control circuit, adopts a wireless control mode and solar energy power supply, and develops a communication protocol in a self-service mode.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic circuit diagram of a main control circuit in an embodiment of a solar wireless irrigation controller of the present invention;
FIG. 2 is a schematic circuit diagram of the bootstrap boost circuit in the embodiment;
FIG. 3 is a schematic circuit diagram of the debug circuitry in the embodiment;
FIG. 4 is a schematic circuit diagram of the RF circuit of the embodiment;
FIG. 5 is a schematic circuit diagram of the power indication circuit in the embodiment;
FIG. 6 is a schematic circuit diagram of a DC power supply circuit in the embodiment;
FIG. 7 is a circuit schematic of a wide input circuit in the embodiment;
FIG. 8 is a schematic circuit diagram of the crystal oscillator circuit in the embodiment;
FIG. 9 is a circuit schematic of the MAX3485 circuit in the described embodiment;
FIG. 10 is a schematic circuit diagram of the optoelectronic isolation circuit in the embodiment;
fig. 11 is a circuit schematic diagram of the switch control circuit in the embodiment.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the embodiment of the solar wireless irrigation controller, the solar wireless irrigation controller comprises a main control circuit, a bootstrap booster circuit, a debugging circuit, a radio frequency circuit, a power indication circuit, a direct current power supply circuit, a wide input circuit, a crystal oscillator circuit, a MAX3485 circuit, a photoelectric isolation circuit and a switch control circuit, wherein the bootstrap booster circuit, the debugging circuit, the radio frequency circuit, the power indication circuit, the direct current power supply circuit, the crystal oscillator circuit, the MAX3485 circuit and the photoelectric isolation circuit are all connected with the main control circuit, the wide input circuit and the crystal oscillator circuit are also all connected with the direct current power supply circuit, and the switch control circuit is connected with the photoelectric isolation circuit.
This wireless irrigation controller of solar energy mainly used carries out centralized management to irrigation equipment, can realize long-range irrigation and regularly irrigate through Rui nong bao APP (support multiple terminal equipment, carry out farm management anytime and anywhere). By utilizing the collected environmental data, whether the crops are in a water-requiring state or not can be automatically judged by setting a threshold value measuring and recording, and the crops can be automatically irrigated. The solar wireless irrigation controller adopts a wireless control mode, is simple and convenient to install and has low cost; solar energy is adopted for power supply, so that the environment is protected and energy is saved; supporting a plurality of points in a large range, and controlling multipoint equipment; the communication protocol is researched and developed by self, and the system stability is high. The solar wireless irrigation controller can be applied to the scenes such as greenhouse, field fields, scenic spot parks, building districts and the like which need to irrigate crops or greening crops.
Fig. 1 is a circuit schematic diagram of a main control circuit in this embodiment, and in fig. 1, the main control circuit includes a main control chip, and a model of the main control chip U2 is STM32F103RBT 6.
FIG. 2 is a schematic circuit diagram of the self-lifting voltage circuit in the present embodiment.
Fig. 3 is a schematic circuit diagram of the debugging circuit in this embodiment, in fig. 3, the number of paths is 2, the first path of the control pins is the thirty-sixth pin and the thirty-seventh pin of the main control chip U2, and the second path of the control pins is the thirty-ninth pin and the fourth pin of the main control chip U2.
Fig. 4 is a schematic circuit diagram of the radio frequency circuit in this embodiment, and in fig. 4, the radio frequency circuit includes a radio frequency chip U1, and a third pin, a fourth pin, a fifth pin, a sixth pin, and a seventh pin of the radio frequency chip U1 are respectively connected to a thirty-fifth pin, a twenty-ninth pin, a thirty-fourth pin, and a thirty-third pin of the main control chip U2.
Fig. 5 is a schematic circuit diagram of the power indicator circuit in this embodiment, in fig. 5, the power indicator circuit includes a power indicator D6 and a twenty-seventh resistor R27, and an anode of the power indicator D6 is connected to the first pin, the nineteenth pin, and the sixty-fourth pin of the main control chip U2, respectively.
Fig. 6 is a schematic circuit diagram of the dc power supply circuit in this embodiment.
Fig. 7 is a schematic circuit diagram of a wide input circuit in this embodiment, in fig. 7, the wide input circuit includes a DC-DC converter U4, a twenty-fifth capacitor C25, a fifth diode D5, a second inductor L, a twenty-ninth capacitor C29, a thirty-third capacitor C30, and a twenty-fourth resistor R24, where a first pin of the DC-DC converter U4 is connected to an eighth pin of the DC-DC converter U4, a cathode of the fifth diode D5, and one end of the second inductor L2 through the twenty-fifth capacitor C25, respectively, the other end of the second inductor L is connected to one end of the twenty-ninth capacitor C29, one end of the thirty-ninth capacitor C30, and one end of the twenty-fourth resistor R24, a seventh pin of the DC-DC converter U4 is connected to an anode of the fifth diode D5, the other end of the twenty-ninth capacitor C29, the other end of the thirty-third capacitor C30, and ground, and the other end of the twenty-fourth resistor R58331 is connected to the first pin of the fifth diode D5, the ninth converter U4, the ninth resistor R8653, and the sixteenth resistor R4.
Fig. 8 is a schematic circuit diagram of the crystal oscillator circuit in this embodiment, in fig. 8, the crystal oscillator circuit includes a real-time clock chip U22, a forty-second capacitor C42, a ninth resistor R9 and a tenth resistor R10, an eighth pin of the real-time clock chip U22 is respectively connected to one end of a forty-second capacitor C42, one end of a ninth resistor R9 and one end of a tenth resistor R10, the other end of the forty-second capacitor C42 is grounded, a sixth pin of the real-time clock chip U22 is respectively connected to the other end of the ninth resistor R9 and a fifty-eighth pin of the main control chip U2, and a fifth pin of the real-time clock chip U22 is respectively connected to the other end of the tenth resistor R10 and the fifty-ninth pin of the main control chip U2.
Fig. 9 is a schematic circuit diagram of the MAX3485 circuit in this embodiment, in fig. 9, the MAX3485 circuit includes a fifty-th resistor R50, a fifth triode Q5 and a MAX485 interface chip U7, a base of the fifth triode Q5 is connected to a sixteenth pin of the main control chip U2 through the fifty-th resistor R50, a collector of the fifth triode Q5 is connected to the second pin and the third pin of the MAX485 interface chip U7, the first pin of the MAX485 interface chip U7 is connected to the seventeenth pin of the main control chip U2, and the fourth pin of the MAX485 interface chip U63 7 is connected to the sixteenth pin of the main control chip U2.
Fig. 10 is a schematic circuit diagram of an optoelectronic isolation circuit in this embodiment, in fig. 10, the optoelectronic isolation circuit includes a twenty-eighth resistor R28, an eighth photocoupler U8, a twenty-ninth resistor R29, a ninth photocoupler U9, a tenth photocoupler U10 and an eleventh photocoupler U11, one end of the twenty-eighth resistor R28 is connected to the thirty-seventh pin of the main control chip U2, the other end of the twenty-eighth resistor R28 is connected to the first pin of the eighth photocoupler U8 and the first pin of the eleventh photocoupler U11, one end of the twenty-ninth resistor R29 is connected to the thirty-eighth pin of the main control chip U2, the other end of the twenty-ninth resistor R29 is connected to the first pin of the ninth photocoupler U9 and the first pin of the tenth photocoupler U10, and the second pin of the eighth photocoupler U8 is connected to the second pin of the ninth photocoupler U9, The second pin of the tenth photo coupler U10 is connected to the second pin of the eleventh photo coupler U11.
Fig. 11 is a schematic circuit diagram of a switch control circuit in this embodiment, in fig. 11, the switch control circuit includes a sixteenth MOS transistor U16, an eighteenth MOS transistor U18, a fourth coil H4 and a fifth coil H5, a second pin of the sixteenth MOS transistor U16 is connected to a third pin of an eleventh photocoupler U11, a fourth pin of the sixteenth MOS transistor U16 is connected to a fourth pin of the ninth photocoupler U9, a seventh pin of the sixteenth MOS transistor U16 is connected to a fifth coil H5, a seventh pin of the eighteenth MOS transistor U18 is connected to a fourth coil H4, a second pin of the eighteenth MOS transistor U18 is connected to a third pin of the tenth photocoupler U10, and a fourth pin of the eighteenth MOS transistor U18 is connected to a fourth pin of the eighth photocoupler U8.
In short, in this embodiment, the wireless communication system is provided with the main control circuit, the bootstrap booster circuit, the debugging circuit, the radio frequency circuit, the power indication circuit, the direct current power supply circuit, the wide input circuit, the crystal oscillator circuit, the MAX3485 circuit, the photoelectric isolation circuit and the switch control circuit, and adopts a wireless control mode and solar power supply to self-help research and develop a communication protocol.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (9)
1. The utility model provides a solar energy wireless irrigation controller, its characterized in that, includes master control circuit, bootstrapping boost circuit, debugging circuit, radio frequency circuit, power indicator circuit, DC power supply circuit, wide input circuit, crystal oscillator circuit, MAX3485 circuit, optoelectronic isolation circuit and on-off control circuit, bootstrapping boost circuit, debugging circuit, radio frequency circuit, power indicator circuit, DC power supply circuit, crystal oscillator circuit, MAX3485 circuit and optoelectronic isolation circuit all with master control circuit connects, wide input circuit and crystal oscillator circuit still all with DC power supply circuit connects, on-off control circuit with optoelectronic isolation circuit connects.
2. The solar wireless irrigation controller as recited in claim 1, wherein the master control circuit comprises a master control chip of a model number STM32F103RBT 6.
3. The solar wireless irrigation controller as recited in claim 2, wherein the radio frequency circuit comprises a radio frequency chip, and a third pin, a fourth pin, a fifth pin, a sixth pin and a seventh pin of the radio frequency chip are respectively connected with a thirty-fifth pin, a twenty-ninth pin, a thirty-fourth pin and a thirty-third pin of the main control chip.
4. The solar wireless irrigation controller as recited in claim 3, wherein the power indicator circuit comprises a power indicator light and a twenty-seventh resistor, and an anode of the power indicator light is connected to the first pin, the nineteenth pin and the sixty-fourth pin of the main control chip, respectively.
5. The solar wireless irrigation controller as claimed in any one of claims 2 to 4, wherein the wide input circuit comprises a DC-DC converter, a twenty-fifth capacitor, a fifth diode, a second inductor, a twenty-ninth capacitor, a thirty-fourth capacitor and a twenty-fourth resistor, the first pin of the DC-DC converter is connected with the eighth pin of the DC-DC converter, the cathode of the fifth diode and one end of the second inductor through the twenty-fifth capacitor, the other end of the second inductor is connected with one end of the twenty-ninth capacitor, one end of the thirty-fourth capacitor and one end of the twenty-fourth resistor, respectively, the seventh pin of the DC-DC converter is connected with the anode of the fifth diode, the other end of the twenty-ninth capacitor and the other end of the thirty-fourth capacitor and grounded, and the other end of the twenty-fourth resistor is connected with the first pin of the main control chip and grounded, respectively, The nineteenth pin is connected with the sixty-fourth pin.
6. The solar wireless irrigation controller as claimed in claim 5, wherein the crystal oscillator circuit comprises a real-time clock chip, a forty-second capacitor, a ninth resistor and a tenth resistor, an eighth pin of the real-time clock chip is respectively connected with one end of the forty-second capacitor, one end of the ninth resistor and one end of the tenth resistor, the other end of the forty-second capacitor is grounded, a sixth pin of the real-time clock chip is respectively connected with the other end of the ninth resistor and a fifty-eighth pin of the main control chip, and a fifth pin of the real-time clock chip is respectively connected with the other end of the tenth resistor and a fifty-ninth pin of the main control chip.
7. The solar wireless irrigation controller as recited in claim 6, wherein the MAX3485 circuit comprises a fifty-fifth resistor, a fifth triode, and a MAX485 interface chip, a base of the fifth triode is connected to a sixteenth pin of the main control chip through the fifty-fifth resistor, a collector of the fifth triode is connected to the second pin and the third pin of the MAX485 interface chip, respectively, a first pin of the MAX485 interface chip is connected to a seventeenth pin of the main control chip, and a fourth pin of the MAX485 interface chip is connected to the sixteenth pin of the main control chip.
8. The solar wireless irrigation controller of claim 7, wherein the photoelectric isolation circuit comprises a twenty-eighth resistor, an eighth photocoupler, a twenty-ninth resistor, a ninth photocoupler, a tenth photocoupler and an eleventh photocoupler, one end of the twenty-eighth resistor is connected with a thirty-seventh pin of the main control chip, the other end of the twenty-eighth resistor is respectively connected with a first pin of the eighth photocoupler and a first pin of the eleventh photocoupler, one end of the twenty-ninth resistor is connected with a thirty-eighth pin of the main control chip, the other end of the twenty-ninth resistor is respectively connected with a first pin of the ninth photocoupler and a first pin of the tenth photocoupler, and a second pin of the eighth photocoupler is respectively connected with a second pin of the ninth photocoupler, And a second pin of the tenth photoelectric coupler is connected with a second pin of the eleventh photoelectric coupler.
9. The solar wireless irrigation controller as recited in claim 8, wherein the switch control circuit comprises a sixteenth MOS transistor, an eighteenth MOS transistor, a fourth coil and a fifth coil, wherein a second pin of the sixteenth MOS transistor is connected to a third pin of the eleventh photocoupler, a fourth pin of the sixteenth MOS transistor is connected to a fourth pin of the ninth photocoupler, a seventh pin of the sixteenth MOS transistor is connected to the fifth coil, a seventh pin of the eighteenth MOS transistor is connected to the fourth coil, a second pin of the eighteenth MOS transistor is connected to a third pin of the tenth photocoupler, and a fourth pin of the eighteenth MOS transistor is connected to a fourth pin of the eighth photocoupler.
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|---|---|---|---|
| CN202010291513.8A CN111492957A (en) | 2020-04-14 | 2020-04-14 | Solar wireless irrigation controller |
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| CN202010291513.8A CN111492957A (en) | 2020-04-14 | 2020-04-14 | Solar wireless irrigation controller |
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| CN111492957A true CN111492957A (en) | 2020-08-07 |
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