CN207604319U

CN207604319U - Based on monolithic processor controlled agricultural irrigation systems

Info

Publication number: CN207604319U
Application number: CN201721580762.9U
Authority: CN
Inventors: 庄慧敏
Original assignee: Chengdu University of Information Technology
Current assignee: Chengdu University of Information Technology
Priority date: 2017-11-22
Filing date: 2017-11-22
Publication date: 2018-07-13
Anticipated expiration: 2027-11-22

Abstract

The utility model discloses based on monolithic processor controlled agricultural irrigation systems, mainly solve to manually start irrigation complexity in the prior art, regular check, and regular startup is needed to irrigate the problems such as not considering real-time condition.The control system includes AT89C51 microcontrollers, the Temperature Humidity Sensor Acquisition Circuit being connect with microcontroller external interrupt, it is connect with microcontroller Parallel I/0 mouthful P0, for irrigating the keyboard array for starting setting, the encoder being connect with microcontroller Parallel I/0 mouthful P1, it is connect with encoder, the liquid level gauge for acquiring water level elevation in irrigation storage pond, and the electric machine controller being connect with microcontroller serial i/0 mouthful, wherein electric machine controller is connect with water pump.Through the above scheme, the utility model has many advantages, such as that simple in structure, control is reliable, irrigation acts accurately and timely, has higher application value in agricultural irrigation technology.

Description

Based on monolithic processor controlled agricultural irrigation systems

Technical field

The utility model is related to agricultural irrigation technologies, are based especially on monolithic processor controlled agricultural irrigation systems.

Background technology

With the continuous development of agricultural science and technology technology, intelligent irrigation gradually substitutes traditional man-made irrigation, has Irrigation efficiency is high, saves water resource, sprays the advantages that uniform.Intelligent irrigation sprinkling system mainly include irrigation storage pond, pumping plant, Spray water pipe, nozzle control system.Currently, agricultural irrigation majority is using manually starting, water pump irrigate or timing is opened It is dynamic, for manually starting irrigation method, although more reliable, however, it is desirable to artificially guard irrigates situation, cannot achieve it is complete from It is dynamic.And the deficiency of timing mode is used to be, fail to fully consider whether irrigate plant currently needs to irrigate, or exist in the rainy day The case where irrigation.Fundamentally, intelligentized control method cannot achieve.

Utility model content

The purpose of this utility model is to provide based on monolithic processor controlled agricultural irrigation systems, the prior art is mainly solved In manually start that irrigation is complicated, needs regular check, and periodically start and irrigate the problems such as not considering real-time condition.

To achieve the goals above, the technical solution adopted in the utility model is as follows：

Based on monolithic processor controlled agricultural irrigation systems, including microcontroller, the humiture being connect with microcontroller external interrupt Sensor Acquisition Circuit is connect, for irrigating the keyboard array for starting setting, simultaneously with microcontroller with microcontroller Parallel I/0 mouthful P0 The encoder of I/0 mouthfuls of P1 connections of row, connect, the liquid level gauge for acquiring water level elevation in irrigation storage pond with encoder, and The electric machine controller being connect with microcontroller serial i/0 mouthful；The electric machine controller is connect with water pump.

Specifically, the Temperature Humidity Sensor Acquisition Circuit include Y2 mouthfuls connect with microcontroller external interrupt three input with Door A, comparator A1, comparator A2 and the ratio that output end is connect with three inputs with the ports B1 of door A, the ports B2, the ports B3 successively Compared with device A3, one end respectively with comparator A1, comparator A2 and comparator A3 input anode is connect and other end external power supply VCC Current-limiting resistance R1, one end respectively with comparator A1, comparator A2 and comparator A3 input anode connect and other end ground connection Divider resistance R2, the first filter circuit that one end connect with comparator A1 input cathode, with first filter circuit other end company The second filter circuit for connecing, being connect with comparator A2 input cathode for the port Part1 of external Temperature Humidity Sensor, one end, It is connect with the second filter circuit other end, for the port Part2 of external Temperature Humidity Sensor, one end and comparator A3 inputs are negative The third filter circuit of pole connection, and connect with the third filter circuit other end, for the port of external Temperature Humidity Sensor Part3。

Further, first filter circuit to include one end connect with comparator A1 input cathode and the other end with hold The capacitance C1 of mouth Part1 connections, one end is connect with the capacitance C1 other ends and the inductance L1 of other end ground connection.

Preferably, first filter circuit includes the inductance L1 and electricity that one end is connect with comparator A1 input cathode respectively Hold C1；The other end of the inductance L1 is grounded；The appearance C1 other ends are connect with port Part1.

Further, second filter circuit to include one end connect with comparator A2 input cathode and the other end with hold The capacitance C2 of mouth Part2 connections, one end is connect with the capacitance C2 other ends and the inductance L2 of other end ground connection.

Preferably, second filter circuit includes the inductance L2 and electricity that one end is connect with comparator A2 input cathode respectively Hold C2；The other end of the inductance L2 is grounded；The appearance C2 other ends are connect with port Part2.

Further, the third filter circuit to include one end connect with comparator A3 input cathode and the other end with hold The capacitance C3 of mouth Part3 connections, one end is connect with the capacitance C3 other ends and the inductance L3 of other end ground connection.

Preferably, the third filter circuit includes the inductance L3 and electricity that one end is connect with comparator A3 input cathode respectively Hold C3；The other end of the inductance L3 is grounded；The appearance C3 other ends are connect with port Part3.

Further, the microcontroller is AT89C51.

Preferably, the current-limiting resistance R1 is 1.1k Ω, and divider resistance R2 is 0.9k Ω.

Compared with prior art, the utility model has the advantages that：

The utility model makees that Temperature Humidity Sensor is dexterously utilized to detect the current temperature and humidity for irrigating plant environment, is Microcontroller, which starts to irrigate, provides basic condition, just can so accomplish accurate, timely irrigation.In addition, humiture collection circuit uses The mode of comparator can effectively exclude detection interference, and is compared with door by three inputs, and inputs microcontroller and start irrigation Interrupt signal, control are more reliable.The utility model has that simple in structure, control is reliable, irrigation action is accurately and timely etc. excellent Point has higher application value in agricultural irrigation technology.

Description of the drawings

Fig. 1 is the control schematic diagram of the utility model.

Fig. 2 is first embodiment humiture collection circuit diagram.

Fig. 3 is second embodiment humiture collection circuit diagram.

Specific implementation mode

The utility model is described in further detail with reference to the accompanying drawings and examples, and the embodiment of the utility model includes But it is not limited to the following example.

As shown in Figure 1, monolithic processor controlled agricultural irrigation systems, including AT89C51 microcontrollers are based on, outside microcontroller The Temperature Humidity Sensor Acquisition Circuit of middle connection breaking is connect with microcontroller Parallel I/0 mouthful P0, for irrigating the keyboard for starting setting Array, the encoder being connect with microcontroller Parallel I/0 mouthful P1 connect with encoder, are high for acquiring water level in irrigation storage pond The liquid level gauge of journey, and the electric machine controller that is connect with microcontroller serial i/0 mouthful；The electric machine controller is connect with water pump.

Embodiment 1

As shown in Fig. 2, the Temperature Humidity Sensor Acquisition Circuit includes Y2 mouthfuls of three inputs being connect with microcontroller external interrupt With door A, output end successively with the three comparator A1, the comparator A2 that are connect with the ports B1 of door A, the ports B2, the ports B3 of input and Comparator A3, one end respectively with comparator A1, comparator A2 and comparator A3 input anode is connect and other end external power supply The current-limiting resistance R1 of VCC, one end respectively with comparator A1, comparator A2 and comparator A3 input anode is connect and another termination The divider resistance R2 on ground, the first filter circuit that one end is connect with comparator A1 input cathode, with the first filter circuit other end Connection, the second filtered electrical being connect with comparator A2 input cathode for the port Part1 of external Temperature Humidity Sensor, one end Road is connect with the second filter circuit other end, for the port Part2 of external Temperature Humidity Sensor, and one end and comparator A3 are defeated Enter the third filter circuit of cathode connection, and is connect with the third filter circuit other end, for external Temperature Humidity Sensor Port Part3.

Wherein, to include one end connect the first filter circuit with comparator A1 input cathode and the other end and port Part1 The capacitance C1 of connection, one end is connect with the capacitance C1 other ends and the inductance L1 of other end ground connection.Second filter circuit includes one It holds and inputs the capacitance C2 that cathode is connect and the other end is connect with port Part2, one end and the capacitance C2 other ends with comparator A2 The inductance L2 of connection and other end ground connection.Third filter circuit includes one end to be connect and another with comparator A3 input cathode The capacitance C3 being connect with port Part3 is held, one end is connect with the capacitance C3 other ends and the inductance L3 of other end ground connection.To compare For device A1 actions, comparator inputs voltage U+, comparator A1 of the cathode voltage between divider resistance R2 and current-limiting circuit R1 Input cathode voltage be U-.When Temperature Humidity Sensor detection humiture is higher than the temperature and humidity value for starting irrigation spray, humiture Sensor exports high level, and the signal of Temperature Humidity Sensor detection filters out disturbance fluctuation signal through the first filter circuit, from comparing The input cathode of device A1 inputs, at this point, U+ is less than U-, comparator A1 exports low level, defeated with the ports B1 of door A by three inputs Enter, three inputs necessarily export low level with door A, and no external interrupt signal inputs microcontroller.And if only if three temperature and humidity sensings When the temperature and humidity value that device is detected simultaneously by is less than the temperature and humidity value for starting and irrigating and spraying, three inputs and door A output interrupt signals High level so that microcontroller carries out irrigating spray startup.

Embodiment 2

As shown in figure 3, the Temperature Humidity Sensor Acquisition Circuit includes Y2 mouthfuls of three inputs being connect with microcontroller external interrupt With door A, output end successively with the three comparator A1, the comparator A2 that are connect with the ports B1 of door A, the ports B2, the ports B3 of input and Comparator A3, one end respectively with comparator A1, comparator A2 and comparator A3 input anode is connect and other end external power supply The current-limiting resistance R1 of VCC, one end respectively with comparator A1, comparator A2 and comparator A3 input anode is connect and another termination The divider resistance R2 on ground, the first filter circuit that one end is connect with comparator A1 input cathode, with the first filter circuit other end Connection, the second filtered electrical being connect with comparator A2 input cathode for the port Part1 of external Temperature Humidity Sensor, one end Road is connect with the second filter circuit other end, for the port Part2 of external Temperature Humidity Sensor, and one end and comparator A3 are defeated Enter the third filter circuit of cathode connection, and is connect with the third filter circuit other end, for external Temperature Humidity Sensor Port Part3.

Wherein, the first filter circuit includes the inductance L1 and capacitance C1 that one end is connect with comparator A1 input cathode respectively, Second filter circuit includes the inductance L2 and capacitance C2 that one end is connect with comparator A2 input cathode respectively, third filter circuit packet Include the inductance L3 and capacitance C3 that one end is connect with comparator A3 input cathode respectively.In addition, inductance L1, inductance L2 and inductance L3 The other end is grounded respectively, and capacitance C1, capacitance C2 and capacitance C3 successively with port Part1, port Part2 and port Part3 Connection.Wherein, irrigation spray process is identical as the logical process of embodiment 1, and it will not be described here.

Above-described embodiment is only the preferred embodiment of the utility model, is not intended to limit the scope of the present invention, In every case using the design principle of the utility model, and the non-creative variation worked and made is carried out on this basis, it should all Belong within the scope of protection of the utility model.

Claims

1. being based on monolithic processor controlled agricultural irrigation systems, which is characterized in that including microcontroller, connect with microcontroller external interrupt Temperature Humidity Sensor Acquisition Circuit, connect with microcontroller Parallel I/0 mouthful P0, for irrigate start setting keyboard array, with The encoder of microcontroller Parallel I/0 mouthful P1 connections, connect, the liquid level for acquiring water level elevation in irrigation storage pond with encoder It counts, and the electric machine controller being connect with microcontroller serial i/0 mouthful；The electric machine controller is connect with water pump；

The Temperature Humidity Sensor Acquisition Circuit includes Y2 mouthfuls of three inputs being connect with microcontroller external interrupt and door A, output end Comparator A1, comparator A2 and the comparator A3 being connect successively with the ports B1 of door A, the ports B2, the ports B3 with three inputs, one end Respectively with comparator A1, comparator A2 and comparator A3 input anode is connect and the current-limiting resistance of other end external power supply VCC R1, one end input the divider resistance that anode is connect and the other end is grounded with comparator A1, comparator A2 and comparator A3 respectively R2, the first filter circuit that one end is connect with comparator A1 input cathode, connect with the first filter circuit other end, for external The port Part1 of Temperature Humidity Sensor, the second filter circuit that one end is connect with comparator A2 input cathode, with the second filtered electrical Road other end connection, the third being connect with comparator A3 input cathode for the port Part2 of external Temperature Humidity Sensor, one end Filter circuit, and connect with the third filter circuit other end, for the port Part3 of external Temperature Humidity Sensor.

2. according to claim 1 be based on monolithic processor controlled agricultural irrigation systems, which is characterized in that first filtering Circuit includes the capacitance C1 that one end is connect with comparator A1 input cathode and the other end is connect with port Part1, one end and electricity Hold the inductance L1 of the connection of the C1 other ends and other end ground connection.

3. according to claim 1 be based on monolithic processor controlled agricultural irrigation systems, which is characterized in that first filtering Circuit includes the inductance L1 and capacitance C1 that one end is connect with comparator A1 input cathode respectively；Another termination of the inductance L1 Ground；The appearance C1 other ends are connect with port Part1.

4. according to claim 1 be based on monolithic processor controlled agricultural irrigation systems, which is characterized in that second filtering Circuit includes the capacitance C2 that one end is connect with comparator A2 input cathode and the other end is connect with port Part2, one end and electricity Hold the inductance L2 of the connection of the C2 other ends and other end ground connection.

5. according to claim 1 be based on monolithic processor controlled agricultural irrigation systems, which is characterized in that second filtering Circuit includes the inductance L2 and capacitance C2 that one end is connect with comparator A2 input cathode respectively；Another termination of the inductance L2 Ground；The appearance C2 other ends are connect with port Part2.

6. according to claim 1 be based on monolithic processor controlled agricultural irrigation systems, which is characterized in that the third filtering Circuit includes the capacitance C3 that one end is connect with comparator A3 input cathode and the other end is connect with port Part3, one end and electricity Hold the inductance L3 of the connection of the C3 other ends and other end ground connection.

7. according to claim 1 be based on monolithic processor controlled agricultural irrigation systems, which is characterized in that the third filtering Circuit includes the inductance L3 and capacitance C3 that one end is connect with comparator A3 input cathode respectively；Another termination of the inductance L3 Ground；The appearance C3 other ends are connect with port Part3.

8. being based on monolithic processor controlled agricultural irrigation systems according to claim 1~7 any one of them, which is characterized in that institute It is 1.1k Ω to state current-limiting resistance R1, and divider resistance R2 is 0.9k Ω.

9. being based on monolithic processor controlled agricultural irrigation systems according to claim 1~7 any one of them, which is characterized in that institute It is AT89C51 to state microcontroller.