The utility model has simple and compact structure, and is more suitable for family watering flowers or small-area irrigation.
Claim 1. An automatic irrigation device is characterized by comprising an acquisition circuit for acquiring information including the humidity state in soil; The judging circuit is used for judging whether the collected information meets the irrigation requirements; The execution circuit is used for executing the judgment result and carrying out corresponding irrigation or stopping irrigation operation, and the circuit, the judgment circuit and the execution circuit are connected in sequence.
2. The automatic irrigation device according to claim 1, wherein the judging circuit further comprises an adjusting circuit for adjusting the output value of the detecting circuit.
3. The automatic irrigation device according to claim 2, wherein the adjusting circuit is at least one adjustable potentiometer.
4. The automatic irrigation device according to claim 1 or 2 or 3, wherein the judging circuit is a comparison circuit.
5. The automatic irrigation device according to claim 1 2 or 3, characterized in that the execution circuit comprises a triode and an execution device.
6. The automatic irrigation device according to claim 1 or 2 or 3, wherein the detection circuit comprises a humidity detector.
7. The automatic irrigation device according to claim 4, wherein the comparison circuit comprises at least one operational amplifier and two resistors.
8. The automatic irrigation device according to claim 7, wherein in the comparison circuit, the reverse input end of the operational amplifier is connected with the output end of the detection circuit, and one end of the two resistors is connected with the working power supply end after being connected in series, and the other end is grounded; The noninverting input end of the operational amplifier is connected between two resistors, and the output end of the operational amplifier is connected with the executive circuit.
9. The automatic irrigation device according to claim 5, wherein the actuator is a solenoid valve.
10. The automatic irrigation device according to claim 9, characterized in that in the execution circuit, the base of the triode is connected with the output end of the judging circuit, the emitter of the triode is grounded, the collector is connected with one control end of the solenoid valve, and the other control end of the solenoid valve is connected with a single power supply end.
The utility model relates to an automatic irrigation device. The utility model comprises an acquisition circuit, a judgment circuit and an execution circuit which are connected in sequence, and is used for acquiring information including the humidity situation in the soil, judging whether the acquired information meets the irrigation requirements, executing the judgment result, and carrying out corresponding irrigation or stopping irrigation operation. By collecting the humidity in the soil and carrying out corresponding irrigation operations, the automatic irrigation of plants can be realized without control and intervention, and the normal growth demand of plants can be guaranteed.