CN113741269A - Intelligent photovoltaic irrigation system capable of preventing dry and wet probes from being pulled out by mistake - Google Patents
Intelligent photovoltaic irrigation system capable of preventing dry and wet probes from being pulled out by mistake Download PDFInfo
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- CN113741269A CN113741269A CN202111011997.7A CN202111011997A CN113741269A CN 113741269 A CN113741269 A CN 113741269A CN 202111011997 A CN202111011997 A CN 202111011997A CN 113741269 A CN113741269 A CN 113741269A
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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
- G05B19/0423—Input/output
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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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- 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
- A01G25/167—Control by humidity of the soil itself or of devices simulating soil or of the atmosphere; Soil humidity sensors
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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
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25257—Microcontroller
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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 invention discloses an intelligent photovoltaic irrigation system capable of preventing dry and wet probes from being pulled out by mistake, which comprises an irrigator, a sensor module, a control module and a solar power supply module, wherein the sensor module comprises a plurality of dry and wet probes which are connected in parallel; the control module comprises a time delay system, a self-locking system and a control switch; when abnormal conditions such as wrong pulling or faults occur in a plurality of dry and wet probes, only one dry and wet probe is required to be conducted; the irrigator is still in an inoperative state; when the irrigator is abnormal, and after working abnormally for a period of time, the control module controls the irrigator to stop working and realize self-locking of the irrigator, and only when the abnormal condition is relieved, the irrigator can normally work again. Through the improvement, the intelligent photovoltaic irrigation system capable of preventing the dry and wet probe from being pulled out mistakenly can achieve the purpose of saving water.
Description
Technical Field
The invention relates to the field of solar irrigation, in particular to an intelligent photovoltaic irrigation system capable of preventing a dry-wet probe from being pulled out mistakenly.
Background
In recent years, with the increase of population and the deterioration of ecological environment, the problem of water resource shortage in China is increasingly aggravated, and the quantity of fresh water resources available for all people in China is extremely short and is lower than 1/4 of the quantity occupied by all people in the world. As a traditional agricultural large country, the total water consumption of agricultural irrigation in China accounts for more than 70% of available fresh water resources. Intelligent irrigation systems and devices must therefore be vigorously developed and popularized. When the solar intelligent irrigation system and equipment are popularized, the problem of probe pulling error or probe fault can occur, and the water resource is wasted greatly. Therefore, the irrigation system which is capable of preventing the pulling-out by mistake and stopping the probe in time when the probe breaks down is designed, so that the problems can be solved, the waste of water resources is reduced, and the irrigation becomes more intelligent.
Disclosure of Invention
The intelligent photovoltaic irrigation system can timely stop the work of an irrigator when the dry and wet probes are abnormal, so that the waste of water resources is avoided.
The technical scheme for solving the technical problems is as follows:
an intelligent photovoltaic irrigation system for preventing a dry-wet probe from being pulled out by mistake comprises an irrigator, a sensor module, a control module and a solar power supply module, wherein,
the sensor module comprises a plurality of dry and wet probes which are connected in parallel;
the control module comprises a time delay system, a self-locking system and a control switch, wherein the time delay system comprises a time relay KT; the self-locking system comprises an electromagnetic relay KM1 and an electromagnetic relay KM 2; the control switch comprises a main switch K1, a fault restart switch K2 and a valve switch FV; wherein the fault restart switch K2 is a normally closed contact switch;
the positive electrode and the negative electrode of the solar power supply module are respectively connected with the plurality of dry and wet probes; the main switch K1 is arranged between the anode of the solar power supply module and the plurality of dry and wet probes;
the time relay KT is connected with the valve switch FV in series, and two ends of the series circuit are respectively connected with the main switch K1 and the negative electrode of the solar power supply module;
two ends of the electromagnetic relay KM1 are respectively connected with a main switch K1 and the negative electrode of the solar power supply module; the electromagnetic relay KM2 is connected with the fault restart switch K2 in series, and two ends of the series circuit are respectively connected with the main switch K1 and the negative electrode of the solar power supply module;
a normally open contact KT-1 of the time relay KT is arranged between the electromagnetic relay KM2 and the main switch K1; a normally open contact KM1-1 of the electromagnetic relay KM1 is arranged between a valve switch FV and a main switch K1; one normally open contact KM2-1 of the electromagnetic relay KM2 is connected in parallel with the electromagnetic relay KM 1; the other normally open contact KM2-2 of the electromagnetic relay KM2 is connected in parallel with the normally open contact KT-1 of the time relay KT.
Preferably, still include alarm module, alarm module includes the warning light, the warning light is installed electromagnetic relay KM2 with the negative pole of solar energy power module.
Preferably, the alarm module further comprises an alarm, and the alarm is installed between the electromagnetic relay KM2 and the negative electrode of the solar power supply module.
Preferably, a sliding resistor R3 and a resistor R4 are arranged between the main switch K1 and the plurality of dry and wet probes, wherein the main switch K1, the sliding resistor R3, the resistor R4 and the plurality of dry and wet probes are connected in sequence through a line.
Preferably, the control module further comprises a triode T1 and a triode T2, wherein a base of the triode T1 is connected to a line between the resistor R4 and the plurality of dry and wet probes, a collector is connected with the main switch K1, and an emitter is connected in series with the resistor R1 and the resistor R2 and then connected with a negative electrode of the solar power supply module; the base electrode of the triode T2 is connected on a line between the resistor R1 and the resistor R2, the collector electrode is respectively connected in series with the normally open contact KM2-1 of the electromagnetic relay KM1 and the electromagnetic relay KM2, and the emitter electrode is connected with the negative electrode of the solar power supply module.
Preferably, the solar power supply module comprises a solar power panel, wherein the control module and the control switch are installed below the solar power panel.
Preferably, the warning light is wrapped by the plastic shell, is red in color and is arranged below the edge part of the solar power generation panel.
Preferably, the number of the dry and wet probes is three, and the dry and wet probes are located at different positions of soil during operation.
The working principle of the intelligent photovoltaic irrigation system for preventing the dry and wet probe from being pulled out by mistake is as follows:
the during operation, place a plurality of dry and wet probes respectively in the different positions department of soil, when soil is not wet, if there is one or more dry and wet probes to pull out by mistake, there is one or more dry and wet probes to open circuit promptly, because be parallel structure between a plurality of dry and wet probes, only need guarantee to have at least one dry and wet probe to switch on, like this, electromagnetic relay KM1 still is in not putting through the state, the normally open contact KM1-1 who corresponds with it just can not be closed, valve switch FV just can not work yet, make the irrigator still be in not operating condition, thereby reach the purpose of preventing the mistake and pulling out.
The time set by the time relay KT depends on the type of crop and the type of land. When the working time of the irrigator exceeds the set time of the time relay KT, the system is judged to work abnormally at the moment. After the time delay system works abnormally for a certain time, the time delay system starts to work, namely the time relay KT starts to work, the corresponding normally open contact switch KT-1 is closed, the electromagnetic relay KM2 connected with the normally open contact switch KT-1 in series starts to work, so that the normally open contact KM2-1 of the electromagnetic relay KM2 is closed, the electromagnetic relay KM1 is in a short-circuit state, the normally open contact KM1-1 of the electromagnetic relay KM1 connected with the valve FV in series is opened, the valve FV is also in a broken circuit state, and the irrigator stops working; then the self-locking system works, so that the electromagnetic relay KM2 connected with the normally open contact switch KT-1 of the time relay KT in series starts to work, the normally open contact switch KM2-2 of the electromagnetic relay KM2 is closed to complete self-locking, at the moment, the electromagnetic relay KM1 is in a short-circuit state, the normally open contact switch KT-1 of the time relay KT connected with the electromagnetic relay KM1 in series and the valve switch FV are disconnected, the irrigator continuously stops working, and the purpose of saving water is achieved; because the fault restart switch K2 is connected in series with the normally open contact switch KT-1 of the time relay KT and the electromagnetic relay KM2, the fault restart switch K2 is a manual normally closed contact switch, after the abnormal condition of the irrigation system is relieved, the fault restart switch K2 is manually disconnected, so that the electromagnetic relay KM2 stops working, the normally open contact KM2-1 and the normally open contact KM2-1 of the electromagnetic relay KM2 are disconnected, the electromagnetic relay KM1 connected in parallel with the normally open contact KM2-1 of the electromagnetic relay KM2 is not in a short-circuit state any more, and thus, the valve switch FV can be controlled through the normally open contact KM1-1 corresponding to the electromagnetic relay KM1, and the irrigator can restore to a normal working state.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the intelligent photovoltaic irrigation system with the anti-pulling-out dry and wet probes, the dry and wet probes are connected in parallel, so that as long as at least one dry and wet probe is ensured to be conducted, the electromagnetic relay KM1 cannot reach a normal working state, the corresponding normally open contact KM1-1 cannot be closed, the valve switch FV cannot work, namely, the irrigator cannot work, and the aim of preventing pulling out is fulfilled.
2. After the intelligent photovoltaic irrigation system for preventing the dry and wet probes from being pulled out abnormally works (for example, the soil reaches the standard that irrigation is not needed but the irrigator still works due to the fact that all the dry and wet probes are pulled out, the dry and wet probes are broken, and other faults) for a period of time, the system is delayed to work, so that the irrigator stops working, then the self-locking system works, and the irrigator is locked in a shutdown state; when the abnormal state is eliminated, the fault restart switch K2 needs to be disconnected, so that the irrigator is recovered to the normal state; therefore, the irrigator can be prevented from continuously working in an abnormal state, and water resources are saved.
3. The intelligent photovoltaic irrigation system for preventing the dry and wet probe from being pulled out by mistake adopts solar energy for power generation, so that the energy is saved and the environment is protected.
Drawings
Fig. 1 is a schematic structural diagram of an intelligent photovoltaic irrigation system with a dry-wet probe for preventing mistaken pulling.
Fig. 2 is a circuit diagram of the intelligent photovoltaic irrigation system of the anti-mispull dry-wet probe of the invention.
Fig. 3 is a structural block diagram of the intelligent photovoltaic irrigation system of the anti-pulling-out prevention dry-wet probe of the invention.
Detailed Description
The present invention will be described in further detail with reference to examples and drawings, but the present invention is not limited thereto.
Referring to fig. 1-3, the intelligent photovoltaic irrigation system for preventing the dry and wet probe from being pulled out by mistake comprises an irrigator 1, a sensor module, a control module and a solar power supply module.
Referring to fig. 1-3, the sensor module comprises a plurality of dry and wet probes 2, and the plurality of dry and wet probes 2 are connected in parallel; in this embodiment, there are three dry and wet probes 2, which are located at different positions of the soil during operation.
Referring to fig. 1-3, the control module comprises a time delay system, a self-locking system and a control switch, wherein the time delay system comprises a time relay KT; the self-locking system comprises an electromagnetic relay KM1 and an electromagnetic relay KM 2; the control switch comprises a main switch K1, a fault restart switch K2 and a valve switch FV; wherein the fault restart switch K2 is a normally closed contact switch;
referring to fig. 1-3, the positive electrode and the negative electrode of the solar power supply module are respectively connected with the plurality of dry and wet probes 2; the main switch K1 is arranged between the anode of the solar power supply module and the plurality of dry and wet probes 2.
Referring to fig. 1 to 3, the time relay KT is connected in series with the valve switch FV, and two ends of the series line are respectively connected with the main switch K1 and the negative electrode of the solar power module.
Referring to fig. 1-3, two ends of the electromagnetic relay KM1 are respectively connected with the main switch K1 and the negative electrode of the solar power supply module; the electromagnetic relay KM2 is connected in series with the fault restart switch K2, and two ends of the series circuit are respectively connected with the main switch K1 and the negative electrode of the solar power supply module.
Referring to fig. 1-3, a normally open contact KT-1 of the time relay KT is arranged between an electromagnetic relay KM2 and a main switch K1; a normally open contact KM1-1 of the electromagnetic relay KM1 is arranged between a valve switch FV and a main switch K1; one normally open contact KM2-1 of the electromagnetic relay KM2 is connected in parallel with the electromagnetic relay KM 1; the other normally open contact KM2-2 of the electromagnetic relay KM2 is connected in parallel with the normally open contact KT-1 of the time relay KT.
Referring to fig. 1 to 3, the solar power supply module includes a solar power generation panel 4, wherein the control module is installed below the solar power generation panel 4, so that the control module is prevented from being exposed to the sun and rain, thereby prolonging the service life of the control module.
Referring to fig. 1-3, the intelligent photovoltaic irrigation system for preventing the dry and wet probe from being pulled out by mistake further comprises an alarm module, wherein the alarm module comprises an alarm lamp 3, and the alarm lamp 3 is installed between the electromagnetic relay KM2 and the negative electrode of the solar power supply module; the warning lamp 3 is wrapped by a plastic shell, and the warning lamp 3 is red and is arranged below the edge part of the solar power generation panel 4; the warning lamp 3 is wrapped by the plastic shell to achieve the purposes of moisture prevention and collision prevention, the red warning lamp 3 can play a warning role, and the warning lamp is arranged below the solar power generation panel 4 to prevent insolation, so that the service life is prolonged; the warning lamp 3 is arranged at the edge part of the solar power generation panel 4, so that observation can be facilitated; when irrigation system is in the bright state of warning light 3, explain irrigator 1 breaks down, for example do wet probe open circuit, do wet probe mistake and pull out, reasons such as circuit fault, and can make overall structure light and handy convenience with warning light 3, low cost.
In addition to the above embodiment, the alarm module further comprises an alarm, and the alarm is installed between the electromagnetic relay KM2 and the negative electrode of the solar power supply module; when the irrigation system is abnormal, the alarm is connected and gives an alarm sound for warning.
Referring to fig. 1-3, a sliding resistor R3 and a resistor R4 are arranged between the main switch K1 and the plurality of dry and wet probes 2, wherein the main switch K1, the sliding resistor R3, the resistor R4 and the plurality of dry and wet probes 2 are connected in sequence through a line; the main switch K1 can control whether the irrigation system is in operation. When the soil is in a wet state, the resistance values among the dry and wet probes 2 are reduced, the triode T1 and the triode T2 are cut off through the adjustment of the sliding rheostat R3 and the protection effect of the resistor R4, the electromagnetic relay KM1 does not work, the switch KM1-1 is not closed, the valve switch FV does not work, and the effect of saving water is achieved. When the soil is in a dry state, the resistance values among the dry and wet probes 2 are increased, and the triode T1 and the triode T2 work, the electromagnetic relay KM1 works, the switch KM1-1 is closed, the valve switch FV works through the adjustment of the sliding rheostat R3 and the protection effect of the resistor R4, so that the irrigation effect is achieved.
Referring to fig. 1-3, the control module further includes a transistor T1 and a transistor T2, wherein a base of the transistor T1 is connected to a line between the resistor R4 and the plurality of dry and wet probes 2, a collector is connected to the main switch K1, and an emitter is connected in series with the resistor R1 and the resistor R2 and then connected to a negative electrode of the solar power supply module; the base electrode of the triode T2 is connected on a line between the resistor R1 and the resistor R2, the collector electrode is respectively connected in series with the normally open contact KM2-1 of the electromagnetic relay KM1 and the electromagnetic relay KM2, and the emitter electrode is connected with the negative electrode of the solar power supply module. The valve switch FV can be controlled to be out of work when the triode T1 and the triode T2 are cut off, the water-saving effect is achieved, the valve switch FV can be controlled to work when the triode T1 and the triode T2 work, the irrigation effect is achieved, and therefore intelligent irrigation of the system is achieved. Wherein, the valve switch is an electromagnetic valve.
Referring to fig. 1-3, the intelligent photovoltaic irrigation system of the anti-pulling dry and wet probe 2 of the invention has the working principle that:
during operation, place a plurality of dry and wet probe 2 respectively in the different positions department of soil, when soil is not wet, if one or more dry and wet probe 2 is pulled out by the mistake, one or more dry and wet probe 2 opens circuit promptly, because be the parallel structure between a plurality of dry and wet probe 2, only need guarantee to have at least one dry and wet probe 2 to switch on, like this, electromagnetic relay KM1 still is in not putting through the state, the normally open contact KM1-1 who corresponds with it just can not be closed, valve switch FV just can not work, make irrigator 1 still be in not operating condition, thereby reach the purpose of preventing the mistake and pulling out.
After the irrigator 1 works abnormally for a certain time, the time delay system starts to work, namely the time relay KT starts to work, the corresponding normally open contact switch KT-1 is closed, the electromagnetic relay KM2 connected with the normally open contact switch KT-1 in series starts to work, so that the normally open contact KM2-1 of the electromagnetic relay KM2 is closed, the electromagnetic relay KM1 is in a short-circuit state, the normally open contact KM1-1 which is closed and is connected with the electromagnetic relay KM1 connected with the valve switch FV in series is opened, the valve switch FV is also in a broken-circuit state, and the irrigator 1 stops working; at this time, the warning lamp 3 is on; then the self-locking system works, so that the electromagnetic relay KM2 connected with the normally open contact switch KT-1 of the time relay KT in series starts to work, the normally open contact switch KM2-2 of the electromagnetic relay KM2 is closed to complete self-locking, at the moment, the electromagnetic relay KM1 is in a short-circuit state, the normally open contact switch KT-1 of the time relay KT connected with the electromagnetic relay KM1 in series is disconnected with the valve switch FV, the irrigator 1 continuously stops working, and meanwhile, the warning lamp 3 continuously lights up to achieve the purpose of saving water; the warning lamp 3 is wrapped by the plastic shell, so that moisture cannot easily enter the warning lamp 3 to cause short circuit or open circuit of the bulb, and the bulb is well protected; because people are more sensitive to the red light, the light color of the warning lamp 3 is red, so that the warning effect can be played; the warning lamp 3 is arranged below the solar panel, so that high temperature caused by insolation can be reduced, the service life is prolonged, and the irrigator 1 can be more conveniently observed when a fault occurs at the edge part; the warning lamp 3 is connected with the electromagnetic relay KM2 and a normally open contact switch KT-1 of the time relay KT in series, when the warning lamp 3 works, the time relay KT starts to work, and the fault is shown, so that the abnormal working state of the irrigation system can be well reflected; the fault restarting switch K2 is connected with a normally open contact switch KT-1 of the time relay KT and an electromagnetic relay KM2 in series, the fault restarting switch K2 is a manual normally closed contact switch, when the irrigation system is in a state that a warning lamp 3 is on and a fault occurs when the irrigator 1 is well maintained, the fault restarting switch K2 is manually switched off, so that the electromagnetic relay KM2 and the warning lamp 3 stop working, a normally open contact KM2-1 and a normally open contact KM2-1 of the electromagnetic relay KM2 are switched off, the electromagnetic relay KM1 connected with the normally open contact KM2-1 of the electromagnetic relay KM2 in parallel is not in a short-circuit state any more, and therefore, a valve switch FV can be controlled through the normally open contact KM1-1 corresponding to the electromagnetic relay KM1, and the irrigator 1 is enabled to be restored to a normal working state.
The above description is a preferred embodiment of the present invention, but the present invention is not limited to the above description, and any other changes, modifications, substitutions, blocks and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and they are included in the scope of the present invention.
Claims (8)
1. An intelligent photovoltaic irrigation system capable of preventing a dry-wet probe from being pulled out by mistake is characterized by comprising an irrigator, a sensor module, a control module and a solar power supply module, wherein,
the sensor module comprises a plurality of dry and wet probes which are connected in parallel;
the control module comprises a time delay system, a self-locking system and a control switch, wherein the time delay system comprises a time relay KT; the self-locking system comprises an electromagnetic relay KM1 and an electromagnetic relay KM 2; the control switch comprises a main switch K1, a fault restart switch K2 and a valve switch FV; wherein the fault restart switch K2 is a normally closed contact switch;
the positive electrode and the negative electrode of the solar power supply module are respectively connected with the plurality of dry and wet probes; the main switch K1 is arranged between the anode of the solar power supply module and the plurality of dry and wet probes;
the time relay KT is connected with the valve switch FV in series, and two ends of the series circuit are respectively connected with the main switch K1 and the negative electrode of the solar power supply module;
two ends of the electromagnetic relay KM1 are respectively connected with a main switch K1 and the negative electrode of the solar power supply module; the electromagnetic relay KM2 is connected with the fault restart switch K2 in series, and two ends of the series circuit are respectively connected with the main switch K1 and the negative electrode of the solar power supply module;
a normally open contact KT-1 of the time relay KT is arranged between the electromagnetic relay KM2 and the main switch K1; a normally open contact KM1-1 of the electromagnetic relay KM1 is arranged between a valve switch FV and a main switch K1; one normally open contact KM2-1 of the electromagnetic relay KM2 is connected in parallel with the electromagnetic relay KM 1; the other normally open contact KM2-2 of the electromagnetic relay KM2 is connected in parallel with the normally open contact KT-1 of the time relay KT.
2. The intelligent photovoltaic irrigation system capable of preventing the dry and wet probe from being pulled out mistakenly according to claim 1, further comprising an alarm module, wherein the alarm module comprises a warning lamp, and the warning lamp is installed between the electromagnetic relay KM2 and the negative electrode of the solar power supply module.
3. The intelligent photovoltaic irrigation system with the anti-misextraction dry and wet probe function as claimed in claim 2, wherein the alarm module further comprises an alarm, and the alarm is installed between the electromagnetic relay KM2 and the negative electrode of the solar power supply module.
4. The intelligent photovoltaic irrigation system for preventing the dry and wet probes from being pulled out by mistake as claimed in claim 1, wherein a sliding resistor R3 and a resistor R4 are arranged between the main switch K1 and the dry and wet probes, wherein the main switch K1, the sliding resistor R3, the resistor R4 and the dry and wet probes are sequentially connected through lines.
5. The intelligent photovoltaic irrigation system with anti-misextraction dry and wet probes according to claim 4, wherein the control module further comprises a transistor T1 and a transistor T2, wherein a base of the transistor T1 is connected to a line between the resistor R4 and the dry and wet probes, a collector is connected with the main switch K1, and an emitter is connected with a negative electrode of the solar power supply module after being connected with the resistor R1 and the resistor R2 in series; the base electrode of the triode T2 is connected on a line between the resistor R1 and the resistor R2, the collector electrode is respectively connected in series with the normally open contact KM2-1 of the electromagnetic relay KM1 and the electromagnetic relay KM2, and the emitter electrode is connected with the negative electrode of the solar power supply module.
6. The intelligent photovoltaic irrigation system of claim 2 wherein the solar powered module comprises a solar power panel, wherein the control module and the control switch are mounted below the solar power panel.
7. The intelligent photovoltaic irrigation system with the anti-misextraction dry and wet probe according to claim 6, wherein the warning lamp is wrapped by a plastic shell, is red in color and is arranged below the edge of the solar power generation panel.
8. The intelligent photovoltaic irrigation system with the anti-mispulling dry and wet probes according to claim 1, wherein the number of the dry and wet probes is three, and the dry and wet probes are located at different positions of soil during operation.
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| CN204423047U (en) * | 2015-02-04 | 2015-06-24 | 泸州市慧江机械制造有限公司 | Time quantitative filling device control circuit |
| CN206423307U (en) * | 2016-12-15 | 2017-08-22 | 阳建辉 | Circulate automatic irrigation machine |
| CN209824717U (en) * | 2018-06-01 | 2019-12-24 | 嘉兴园融园林绿化工程有限公司 | Nursery watering device |
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