CN207100022U - A kind of automatic irrigation device - Google Patents

Abstract

The utility model discloses an automatic irrigation device, which comprises a rainwater collection device, a water storage tank, a storage battery, a water pump, a control box, a support base, a soil humidity sensor and an irrigation water pipe, and a plurality of rainwater collection devices are all connected to the water storage tank through the water guide pipe , the water storage tank is provided with a filter screen, the filter screen is obliquely fixed on the inner wall of the water storage tank and the left end of the filter screen is higher than the right end of the filter screen, the water storage tank is provided with a water inlet and the water inlet is located at the left end of the filter screen, the water storage tank has The sewage outlet and the sewage outlet are located at the right end of the filter screen. The bottom of the water storage tank is sealed with a conical rain shed around the bottom. The middle part of the bottom surface of the water storage tank is fixed on the support base through the first support rod. The battery and The bottom of the control box and the water storage tank is provided with a water outlet and the water outlet is connected to the water pump through the water outlet pipe, and the water pump is connected to the irrigation water pipe through the intermediate connecting pipe. The utility model saves water resources, reduces labor costs, and improves automatic production efficiency.

Description

An automatic irrigation device

technical field

The utility model belongs to the field of automatic irrigation, in particular to an automatic irrigation device.

Background technique

The increasing shortage of water resources has become a global problem. Saving water and achieving efficient water use is the need for human survival and development, as well as the need for global economic and social development. my country is one of the 13 water-poor countries, and the shortage of water resources has posed a serious threat to the social development of our country. Vigorously developing water conservation has become one of the basic strategies of our country. Agricultural irrigation water accounts for 70% of my country's total water consumption, and the problems of low agricultural irrigation efficiency and water waste are common. Therefore, an automatic irrigation device is urgently needed at present, which can not only ensure the intelligence of irrigation but also save water resources to a certain extent.

Contents of the invention

The technical problem to be solved by the utility model is to provide an automatic irrigation device for the deficiencies of the above-mentioned prior art. The automatic irrigation device can use external precipitation resources, thereby realizing the purpose of saving water resources, and can also be set according to different regions and plant needs. Different humidity setting thresholds ensure timely and appropriate amount of water required for plant growth, so as to achieve water-saving irrigation, reduce labor costs, and improve automation production efficiency.

For realizing above-mentioned technical purpose, the technical scheme that the utility model takes is:

An automatic irrigation device, comprising a rainwater collection device, a water storage tank, a storage battery, a water pump, a control box, a support base, a soil moisture sensor and an irrigation water pipe, the rainwater collection device includes two semicircular collecting plates, two collecting The plates are connected to each other, the upper surface of the collecting plate is a solar panel, and a plurality of the rainwater collecting devices are connected with the water storage tank through the water guide pipe, and the filter screen is arranged in the water storage tank, and the filter screen is obliquely fixed on the storage tank. On the inner wall of the water tank and the left end of the filter screen is higher than the right end of the filter screen, the water storage tank is provided with a water inlet and the water inlet is located at the left end of the filter screen, the water storage tank is provided with a sewage outlet and the sewage outlet is located at the right end of the filter screen, The bottom of the water storage tank is thread-tightly connected with a circular frustum-shaped rain shed, and the outer surface of the rain shed is provided with a plurality of downward-sloping and evenly distributed convex lines, and a water-flowing groove is formed between adjacent convex lines. The middle part of the bottom surface of the water storage tank is fixed on the support base through the first support rod and the first support rod is located in the middle part of the inner side of the rain shelter. The battery and the control box are installed on the first support rod. The bottom of the water storage tank A water outlet is provided and the water outlet is connected to the water pump through the water outlet pipe, the water pump is connected to the irrigation water pipe through the intermediate connecting pipe, the irrigation water pipe is located above the soil, the soil moisture sensor is located in the soil, and the solar cell The board is electrically connected to the storage battery, the storage battery is electrically connected to the water pump and the control box, the soil moisture sensor is electrically connected to the control box, and the control box is electrically connected to the water pump.

As a further improved technical solution of the utility model, the included angle between the two collecting plates is an obtuse angle and the two collecting plates are inclined to the horizontal plane.

As a further improved technical solution of the utility model, the water inlet is provided with a water inlet solenoid valve, the water inlet is connected to an external water source through a water inlet pipe, a water level sensor is installed in the water storage tank, and the water level sensor and the control box Electrically connected, the control box is electrically connected with the water inlet solenoid valve.

As a further improved technical solution of the utility model, it also includes a fertilizer cup, the fertilizer cup is fixed on the support base through the second support rod and the fertilizer cup is made of transparent material, the outer surface of the fertilizer cup is provided with a scale, and the fertilizer cup The cup communicates with the water storage tank through the fertilizer pipeline, and a manual drain valve is provided at the connection position between the fertilizer cup and the fertilizer pipeline.

As a further improved technical solution of the utility model, a spraying device is provided on the inner wall of the water storage tank, the fertilizer cup is connected to the spraying device through a fertilizer pipeline, a booster valve is provided on the fertilizer pipeline, and the spraying device The shower device is provided with multiple nozzles.

As a further improved technical solution of the utility model, the sewage outlet is provided with a manual sewage valve, the support base is a flat cuboid, the interior of the support base is provided with a water cavity, and the upper surface of the support base is provided with A water flow hole, one side of the supporting base is provided with a leaking port and the leaking port communicates with the water holding cavity, and the lower surface of the supporting base is provided with rollers.

As a further improved technical solution of the utility model, the control box is provided with a controller, an alarm circuit, a button circuit, a relay output circuit and a display circuit, the button circuit is connected to the controller, and the controller is respectively connected to the alarm circuit . The display circuit is connected to the relay output circuit, the storage battery is connected to the relay output circuit, and the relay output circuit is connected to the water pump.

As a further improved technical solution of the utility model, the soil moisture sensor is connected to the controller through an A/D conversion circuit, the A/D conversion circuit is located in the control box, and the A/D conversion circuit adopts the chip ADC0832.

As a further improved technical solution of the present invention, the soil moisture sensor adopts a YL69 soil moisture sensor, and the button circuit includes three buttons, the three buttons are the humidity upper and lower limit threshold switching keys, the humidity value adjustment key and the humidity value Adjust minus key, described display circuit adopts LCD1602 liquid crystal screen, described LCD1602 liquid crystal screen and three buttons are all installed on the outer surface of control box, described alarm adopts active buzzer, and described controller adopts chip STC89C52.

Compared with the prior art, the utility model has the following beneficial effects:

1. The utility model can effectively collect rainwater through the rainwater collection device, and can also convert solar energy into electric energy through the rainwater collection device to charge the battery; the utility model saves electric energy through the power supply of solar panels, and collects rainwater and soil humidity The detection method is used to irrigate, thereby saving water resources, reducing labor costs, and improving automatic production efficiency; the utility model also has the function of increasing nutrient solution; the utility model can effectively prevent the control box and the battery from entering Water, increase the service life of the control box and battery;

2. The utility model can judge whether it is necessary to start the automatic irrigation device according to the detected soil humidity. When the actual humidity of the soil is lower than the lower limit of the threshold suitable for plants, the controller controls the water pump through the relay output circuit, and the water pump performs irrigation. And the alarm circuit sends out a sound alarm; when the soil humidity reaches the set threshold, the irrigation is stopped, which realizes intelligence and improves irrigation efficiency. Considering that different plants have different suitable humidity ranges, a button circuit is designed to adjust the humidity setting threshold;

3. The utility model is simple in structure, high in cost performance, and has good application value and promotion significance.

Description of drawings

Fig. 1 is the structural representation of the utility model.

Fig. 2 is a schematic diagram of the circuit principle of the utility model.

Fig. 3 is a schematic diagram of the alarm circuit of the present invention.

Fig. 4 is a schematic diagram of the relay output circuit of the present invention.

Detailed ways

Below according to Fig. 1 to Fig. 4, the specific embodiment of the present utility model is further described:

Referring to Fig. 1 and Fig. 2, an automatic irrigation device includes a rainwater collection device 1, a water storage tank 4, a storage battery 22, a water pump 9, a control box 24, a support base 19, a soil moisture sensor 12 and an irrigation water pipe 11, and the rainwater The collecting device 1 includes two semicircular collecting plates 2, the two collecting plates 2 are connected to each other, the upper surface of the collecting plates 2 is a solar panel, and a plurality of the rainwater collecting devices 1 are connected to the storage tank through the water guide pipe 3. Water tank 4 communicates, and described water storage tank 4 is provided with filter screen 5, and described filter screen 5 is obliquely fixed on the inner wall of water storage tank 4 and the left end of filter screen 5 is higher than the right end of filter screen 5, and described water storage tank 4 is provided with There is a water inlet 6 and the water inlet 6 is located at the left end of the filter screen 5, the water storage tank 4 is provided with a sewage outlet 7 and the sewage outlet 7 is located at the right end of the filter screen 5, and the water inlet 6 and the sewage outlet 7 are all located above the filter screen 5 , the bottom of the water storage tank 4 is thread-tightly connected with a frustum-shaped rain shelter 20, the outer surface of the rain shelter 20 is provided with a plurality of convex lines 21 that are inclined downward and evenly distributed, and adjacent convex lines 21 A water-flowing groove is formed between them, and the middle part of the bottom surface of the water storage tank 4 is fixed on the support base 19 through the first support rod 23 and the first support rod 23 is located at the middle part of the inner side of the rain shelter 20, and the first support rod 23 is installed Accumulator 22 and control box 24 are arranged, and rain shelter 20 is for accumulator 22 and control box 24 to keep out rain, and the bottom of described water storage tank 4 is provided with water outlet and water outlet is connected with water pump 9 through water outlet pipe 8, and described water pump 9 is connected to the irrigation water pipe 11 through the intermediate connecting pipe 10, the irrigation water pipe 11 is located above the soil 13, the soil moisture sensor 12 is located in the soil 13 to detect soil moisture, and the solar cell panel is electrically connected to the storage battery 22, for The storage battery 22 supplies power. The storage battery 22 in this embodiment can also be connected to an external power supply for power supply. The storage battery 22 is electrically connected to the water pump 9 and the control box 24 respectively, and the soil moisture sensor 12 is electrically connected to the control box 24. The control box 24 is electrically connected with the water pump 9.

In this embodiment, the included angle between the two collecting plates 2 is an obtuse angle, and the two collecting plates 2 are inclined to the horizontal plane.

In this embodiment, the water inlet 6 is provided with a water inlet solenoid valve, and the water inlet 6 is connected to an external water source through a water inlet pipe. connected, the control box 24 is electrically connected with the water inlet solenoid valve. If the soil moisture sensor 12 detects that the soil humidity is lower than the preset humidity threshold, the control box 24 analyzes the water level information in the water storage tank 4 detected by the water level sensor and is lower than the preset water level threshold and the water level information is within the specified time. If there is no change in height (that is, there is no rain, if it rains, the water level of the water storage tank 4 will increase), the control box 24 controls the water inlet solenoid valve, the water inlet solenoid valve is opened, and the external water source can supply water for the water storage tank 4 At the same time, the control box 24 controls the water pump 9 to pump water for irrigation, so as to realize the simultaneous mode of water supply and irrigation. If the present embodiment is in rainy weather, the soil generally does not need to be irrigated, and now the water storage tank 4 of the present embodiment only needs to collect rainwater. If the soil moisture sensor 12 detects that the soil humidity is lower than the preset humidity threshold, and the control box 24 analyzes the water level information in the water storage tank 4 that the water level sensor detects is higher than the preset water level threshold, the control box 24 will not It is necessary to control the opening of the water inlet solenoid valve, and the water pump 9 first uses the water in the water storage tank 4 until the water in the water storage tank 4 is lower than the preset water level threshold and the soil humidity is still lower than the preset humidity threshold. The control box 24 controls the water inlet electromagnetic valve to open, and the external water source is the water supply for the water storage tank 4. If the soil humidity is higher than the preset humidity threshold, the control box 24 controls the water inlet electromagnetic valve to close, and the control pump stops working. The structure of the utility model is not only used for the above-mentioned control method, as long as the structure of the utility model and the circuit connection relationship are adopted, the specific control method can be set according to its own needs. In addition, the control methods used in this embodiment are all prior art . The external water source in this embodiment can also be pumped by another water pump to supply water to the water storage tank 4 .

In the present embodiment, also comprise fertilizer cup 14, described fertilizer cup 14 is fixed on the supporting base 19 by the second support bar 15 and fertilizer cup 14 is transparent material, and the outer surface of described fertilizer cup 14 is provided with scale, and described The fertilizer cup 14 communicates with the water storage tank 4 through the fertilizer pipeline 16. A manual drain valve 17 is provided at the connecting position between the fertilizer cup 14 and the fertilizer pipeline 16, and the fertilizer cup is loaded with nutrient solution.

In this embodiment, the inner wall of the water storage tank 4 is provided with a spraying device 18, and the fertilizer cup 14 is connected to the spraying device 18 through a fertilizer pipeline 16, and the fertilizer pipeline 16 is provided with a booster valve. The shower device 18 is provided with a plurality of nozzles.

In this embodiment, the sewage outlet 7 is provided with a manual sewage valve, the support base 19 is a flat cuboid, the interior of the support base 19 is provided with a water cavity, and the upper surface of the support base 19 is provided with a running water Hole 26, one side of the supporting base 19 is provided with a leaking port 25 and the leaking port 25 communicates with the water cavity, and the lower surface of the supporting base 19 is provided with a roller 27. Roller 27 is convenient to move the utility model, and water leakage port 2 is convenient to get rid of the rainwater in the water-holding cavity.

In this embodiment, the control box 24 is provided with a controller, an alarm circuit, a button circuit, a relay output circuit and a display circuit, the button circuit is connected to the controller, and the controller is connected to the alarm circuit, the display circuit and the display circuit respectively. The relay output circuit is connected, the storage battery 22 is connected with the relay output circuit, and the relay output circuit is connected with the water pump 9 .

In this embodiment, the soil moisture sensor 12 is connected to the controller through an A/D conversion circuit, the A/D conversion circuit is located in the control box 24, and the A/D conversion circuit uses a chip ADC0832.

In this embodiment, the controller adopts the chip STC89C52, the power supply of the controller is powered by the battery 22 (that is, a 5V DC power supply), the oscillation circuit adopts an internal oscillation mode, the system crystal oscillator is 12MHz, and the starting capacitance is 30pF. The reset circuit adopts the combination of power-on reset and button reset.

In this embodiment, the soil moisture sensor 12 adopts a YL69 soil moisture sensor; the button circuit includes three buttons, and the three buttons are respectively a humidity upper and lower limit threshold switch key, a humidity value adjustment plus key and a humidity value adjustment minus key, The three buttons are all connected to the single-chip microcomputer STC89C52, and the humidity upper and lower limit threshold switching keys are connected to the P3.0 pin in the single-chip microcomputer. Press once to adjust the upper limit value, and then press it again to adjust the lower limit value. The humidity value adjustment plus key and The P3.1 pin is connected in the single-chip microcomputer, and the humidity value adjustment minus key is connected with the P3.2 pin in the single-chip microcomputer; The display circuit adopts an LCD1602 liquid crystal screen, and the LCD1602 liquid crystal screen and three buttons are all installed on the outside of the control box 24 Surface; the display circuit displays soil 13 humidity information.

Referring to Fig. 3, the alarm circuit of this embodiment includes resistor R1, transistor Q1 and buzzer SP1, using active buzzer SP1 as the warning device, a high level composed of an active buzzer SP1 and S8050 transistor Q1 trigger the alarm circuit. Its trigger control port is connected to the P1.7 port of SCT89C52, and the trigger signal is controlled by the collector of the triode Q1 to work the buzzer. And when the humidity of the soil 13 is less than the set humidity threshold, the P1.7 pin of the single-chip microcomputer outputs high level, and the PN node of the triode is turned on to form a circuit, and the buzzer sends out a sound alarm to indicate that irrigation is needed. When the humidity of the soil 13 meets the normal humidity range of the plant, the P1.7 pin of the microcontroller outputs a low level, and the buzzer does not work.

Referring to Fig. 4, the relay output circuit of this embodiment includes a resistor R2, a resistor R3, a diode D1, a diode D2, a triode Q2 and a relay RL1. In the figure, JP1 may represent the water pump 9, and the relay output circuit adopts the pull-in control of the relay RL1. The water pump 9 starts and stops, and the input signal of the relay RL1 is controlled by the single-chip microcomputer. When the detected humidity of the soil 13 is lower than the lower limit of the set threshold, the single-chip microcomputer outputs a low-level relay to pull in, the irrigation circuit is turned on, and the storage battery 22 supplies power to the water pump 9. Suction pump 9 starts irrigation. When the detected soil 13 humidity is higher than the set threshold upper limit, the single-chip microcomputer outputs a high-level relay and disconnects, the irrigation circuit is opened, and the water pump 9 stops pumping and irrigating.

When the weather is sunny, the collecting plate 2 of the rainwater harvesting device 1 is a solar panel, so it can convert solar energy into electric energy and store it in the storage battery 22 for standby; during the rainy weather, the collecting plate 2 of the rainwater collecting device 1 collects rain And guide the rainwater into the aqueduct 3 and flow into the water storage tank 4 for standby by the aqueduct 3, the filter screen 5 in the water storage tank 4 is used to filter impurities, the water level sensor in the water storage tank 4 detects the height of the water in real time, and the other During rainy days, the frustum-shaped canopy 20 shields the battery 22 and the control box 24 from the rain, preventing the accumulator 22 and the control box 24 from entering the circuit and damaging the circuit. and enter the water-holding cavity through the water hole 26, and the battery 22 and the control box 24 are installed on the first support bar 23 so as to prevent the water on the support base 19 from soaking into the battery 22 and the control box 24, and the fertilizer Cup 14 is used for injecting nutrient solution in water storage tank 4 by fertilizer pipeline 16 and sprinkler 18, and fertilizer cup 14 is used for storing nutrient solution, and booster valve is used for controlling the flow that nutrient solution injects water storage tank 4 and carries out nutrient solution supercharged.

The working principle of the utility model is that the upper and lower limit thresholds of humidity are adjusted through three buttons and the display screen, the soil moisture sensor 12 detects the humidity in the soil 13 in real time and sends a signal to the controller through the A/D conversion circuit, and the controller analyzes when the soil When the humidity in 13 is less than the preset threshold value, the controller sends a control command, that is, the single-chip microcomputer STC89C52 controls the alarm circuit to give an alarm, and controls the relay in the relay output circuit to pull in, thereby controlling the work of the water pump 9. At the same time, the water level detected by the water level sensor When it is lower than the preset threshold value of the controller, the controller also controls the water inlet solenoid valve of the water inlet 6 of the water storage tank 4, and the water inlet solenoid valve opens, thereby realizing the phenomenon of pumping water from the water storage tank 4 while supplying water to the water storage tank 4 for irrigation .

The scope of protection of the present utility model includes but not limited to the above embodiments, the scope of protection of the present utility model is subject to the claims, and any replacement, deformation, and improvement that are easily thought of by those skilled in the art all fall within this specification. Protection scope of utility model.

Claims (9)

1. An automatic irrigation device, characterized in that: it comprises a rainwater collection device, a water storage tank, a storage battery, a water pump, a control box, a support base, a soil moisture sensor and an irrigation water pipe, and the rainwater collection device comprises two semicircular Collecting plates, two collecting plates are connected to each other, the upper surface of the collecting plates is a solar panel, and a plurality of rainwater collecting devices are communicated with the water storage tank through the water guide pipe, and a filter screen is arranged in the water storage tank, and the The filter screen is obliquely fixed on the inner wall of the water storage tank and the left end of the filter screen is higher than the right end of the filter screen. The water storage tank is provided with a water inlet and the water inlet is located at the left end of the filter screen. Located at the right end of the filter screen, the bottom of the water storage tank is threaded and sealed with a circular frustum-shaped rain shed. The water tank is formed between them, the middle part of the bottom surface of the water storage tank is fixed on the support base through the first support rod and the first support rod is located in the middle part of the inner side of the rain shelter, and the battery and the control box are installed on the first support rod. The bottom of the water storage tank is provided with a water outlet and the water outlet is connected to the water pump through the water outlet pipe, and the water pump is connected to the irrigation water pipe through the intermediate connecting pipe, the irrigation water pipe is located above the soil, and the soil moisture sensor is located at the soil Inside, the solar cell panel is electrically connected to the storage battery, the storage battery is electrically connected to the water pump and the control box, the soil moisture sensor is electrically connected to the control box, and the control box is electrically connected to the water pump. 2. The automatic irrigation device according to claim 1, characterized in that: the angle between the two collecting plates is an obtuse angle and the two collecting plates are inclined to the horizontal plane. 3. The automatic irrigation device according to claim 1, characterized in that: said water inlet is provided with a water inlet solenoid valve, said water inlet is connected to an external water source through a water inlet pipe, and said water storage tank is provided with a water level sensor, The water level sensor is electrically connected to the control box, and the control box is electrically connected to the water inlet electromagnetic valve. 4. The automatic irrigation device according to claim 1, characterized in that: it also includes a fertilizer cup, the fertilizer cup is fixed on the support base by the second support rod and the fertilizer cup is a transparent material, the outer surface of the fertilizer cup A scale is provided, the fertilizer cup communicates with the water storage tank through the fertilizer pipeline, and a manual drain valve is provided at the connection position between the fertilizer cup and the fertilizer pipeline. 5. The automatic irrigation device according to claim 4, characterized in that: the inner wall of the water storage tank is provided with a spraying device, the fertilizer cup is connected with the spraying device through a fertilizer pipeline, and the fertilizer pipeline is provided with A booster valve, the spray device is provided with a plurality of nozzles. 6. The automatic irrigation device according to claim 1, characterized in that: the sewage outlet is provided with a manual sewage valve, the support base is a flat cuboid, and the interior of the support base is provided with a water-holding cavity, the The upper surface of the supporting base is provided with a water hole, one side of the supporting base is provided with a leaking port and the leaking port communicates with the water holding cavity, and the lower surface of the supporting base is provided with rollers. 7. The automatic irrigation device according to claim 1, characterized in that: the control box is provided with a controller, an alarm circuit, a key circuit, a relay output circuit and a display circuit, the key circuit is connected to the controller, and the The controller is respectively connected with the alarm circuit, the display circuit and the relay output circuit, the storage battery is connected with the relay output circuit, and the relay output circuit is connected with the water pump. 8. The automatic irrigation device according to claim 7, characterized in that: the soil moisture sensor is connected to the controller through an A/D conversion circuit, the A/D conversion circuit is located in the control box, and the A/D The conversion circuit adopts chip ADC0832. 9. The automatic irrigation device according to claim 8, characterized in that: the soil moisture sensor adopts a YL69 soil moisture sensor, and the button circuit includes three buttons, and the three buttons are respectively a humidity upper and lower limit threshold switching key, a humidity Value adjustment plus key and humidity value adjustment minus key, the display circuit adopts LCD1602 liquid crystal screen, and the LCD1602 liquid crystal screen and three buttons are all installed on the outer surface of the control box, and the alarm adopts an active buzzer, so The above controller adopts chip STC89C52.