CN110809977A - Operation Information Monitoring System of Lycium Barbarum Special Liquid Fertilizer Applicator - Google Patents

Abstract

A special liquid fertilizer applicator operation information monitoring system for wolfberry, including an information management platform, a vehicle positioning terminal, a signal collector, a power supply device and an electronic liquid flowmeter, the vehicle positioning terminal is equipped in the cab, and the signal collector is equipped in the wolfberry On the rack of the special liquid fertilizer applicator, the electronic liquid flowmeter is equipped at the discharge port of the fertilizer tank of the special liquid fertilizer applicator for wolfberry. The power supply equipment is connected with the vehicle positioning terminal, the signal collector and the electronic liquid flowmeter. The signal collector It is connected with the vehicle positioning terminal, the electronic liquid flow meter is connected with the signal collector, and the vehicle positioning terminal is connected with the information management platform. By adopting the present invention, the fertilizer application amount of wolfberry planting can be collected, and the fertilizer application amount can be accurately obtained, which provides a basis for precision agriculture and scientific planting.

Description

Operation Information Monitoring System of Lycium Barbarum Special Liquid Fertilizer Applicator

Technical field:

The invention relates to the technical field of intelligent agricultural machinery information management, in particular to an operation information monitoring system of a liquid fertilizer applicator for wolfberry.

Background technique:

In the process of planting wolfberry, it is necessary to carry out fertilization operations regularly. In the prior art, liquid fertilization technology is used for fertilization. In the prior art liquid fertilization machine, the spraying pump and the engine are used for linkage operation, and the high engine speed leads to high pressure. On the contrary, the pressure is low, and the fertilization is imprecise and uneven. This operation method of the fertilizer applicator cannot estimate the yield, and can only make a rough estimate based on the approximate fertilizer consumption, and it is impossible to obtain the optimal amount of fertilizer required for precision agriculture. Therefore, it is necessary to develop fertilizer applicator data mining equipment to provide a basis for precision agriculture and scientific planting.

Invention content:

In view of this, it is necessary to provide a special liquid fertilizer applicator operation information monitoring system for wolfberry.

An operation information monitoring system for a special liquid fertilizer applicator for wolfberry, comprising an information management platform, a vehicle-mounted positioning terminal, a signal collector, a power supply device and an electronic liquid flowmeter. The collector is installed on the frame of the special liquid fertilizer applicator for wolfberry, and the electronic liquid flow meter is installed at the discharge port of the fertilizer box of the special liquid fertilizer applicator for wolfberry. It is used to detect the discharge amount of fertilizer. On the special liquid fertilizer for wolfberry, it is connected with the power supply level of the special liquid fertilizer for wolfberry. The power supply equipment is connected with the vehicle positioning terminal, the signal collector and the electronic liquid flowmeter. The signal collector is connected by communication, and the vehicle positioning terminal is connected with the information management platform; the signal collector is used to receive the fertilizer flow signal of the electronic liquid flowmeter, and send the fertilizer flow signal to the vehicle positioning terminal; the vehicle positioning terminal processes the flow signal And display, and send the data information to the information management platform through Ethernet, and the information management platform summarizes and displays the data.

Preferably, the vehicle-mounted positioning terminal includes a positioning module, a vehicle-mounted acquisition module, a communication module, a display module and a power supply module, the positioning module, the communication module, the display module and the power supply module are connected to the vehicle-mounted acquisition module, and the power supply module is used for the operation of the vehicle-mounted positioning terminal. Power supply, the positioning module is used to receive the position information of the satellite to the special liquid fertilizer applicator for wolfberry, and send the position information to the vehicle-mounted acquisition module, and the display module is used to display the position information and fertilizer flow data information.

Preferably, the positioning module includes a GPS receiver, and the GPS receiver receives the geographic location information of the liquid fertilizer applicator for wolfberry, determines the location state of the liquid fertilizer applicator for wolfberry, and sends the location information to the vehicle-mounted acquisition module, which receives the location information , and process the location information and send it to the display module for display.

Preferably, the information management platform includes a central server, a background database, a display, a computer and an input device, the central server stores a background database, the computer is connected to the background database of the central server through a network, and the computer is telecommunicationly connected to the display and the input device; vehicle positioning; The communication module of the terminal communicates with the central server through GPRS mobile wireless communication transmission.

Preferably, the signal collector includes a collection box and a collection circuit board, the collection circuit board includes an integrated chip, a PIO interface, a clock circuit, a reset circuit and a buzzer alarm circuit, and the integrated chip includes a PA0 pin, a PA1 pin, and a PA2 pin. , PA3 pin, PA4 pin, PA5 pin, PA6 pin, PA7 pin, PA8 pin, PA9 pin, PA10 pin, PA11 pin, PA12 pin, PA13 pin, PA14 pin, PA15 Pin, PB0 pin, PB1 pin, PB2 pin, PB3 pin, PB4 pin, PB5 pin, PB6 pin, PB7 pin, PB8 pin, PB9 pin, PB10 pin, PB11 pin , PB12 pin, PB13 pin, PB14 pin, PB15 pin, PC13 pin, PC14 pin, PC15 pin, F0 pin, F1 pin, F6 pin, F7 pin, VBAT pin, VDD pin, VDDA pin, NRST pin, BOOT0 pin, VSSA pin and VSS pin;

PA2 and PA3 are connected to USART2-TX and USART2-RX respectively, PA4 and PA5 are connected to GY1-1 and GY1-2 respectively, PA6 is connected to FLOW2, and PA8 is connected to FLOW2. The pin is connected to the FLOW1 end, the PA9 pin is connected to the USART1-TX end, the PA10 pin is connected to the USART1-RX end, the PA13 pin is connected to the SWD end, and the PA14 pin is connected to the SWC end;

The PB0 pin is connected to the GY2-1 end, the PB1 pin is connected to the GY2-2 end, and the PB7 pin is connected to the BUZZER end;

The F0 pin is connected to the OSC-8-IN terminal, and the F1 pin is connected to the OSC-8-OUT terminal;

The VBAT pin, VDD pin, and VDDA pin are connected to the VCC-3.3 voltage input terminal;

The NRST pin is connected to the reset circuit; the VSSA pin and the VSS pin are connected to the GND terminal;

PIO interface includes PIO1 interface, PIO2 interface, PIO3 interface, PIO4 interface, PIO5 interface, PIO6 interface and PIO7 interface, PIO1 interface is connected with USART1-TX and USART1-RX, PIO2 is connected with USART2-TX and USART2-RX Connection, PIO3 interface is connected with SWD, SWC and NRST, wherein NRST is connected with GND, PIO4 is connected with FLOW1, PIO5 is connected with FLOW2, PIO6 is connected with GY1-1 and GY1-2 ,PIO7 interface is connected with GY2-1 and GY2-2;

The clock circuit is connected with the OSC-8-IN terminal and the OSC-8-OUT terminal, the reset circuit is connected with the NRST terminal, and the buzzer alarm circuit is connected with the BUZZER terminal.

Preferably, the PIO1 interface has four pins, pin 1 is connected to GND, pin 2 is connected to USART1-TX, pin 3 is connected to USART1-RX, and pin 4 is connected to VCC-5; PIO2 interface There are three pins, pin 1 is connected to USART2-RX, pin 2 is connected to USART2-TX, and pin 3 is connected to GND; the PIO3 interface includes five pins, pin 1 is connected to SWD, and Pin 2 is connected to SWC, pin 3 is connected to NRST, pin 4 is connected to GND, and is connected to one end of capacitor C1, pin 5 is connected to VCC-3.3, and is connected to the other end of capacitor C1; PIO4 interface It includes three pins, pin 1 is connected to VCC-5, pin 2 is connected to FLOW1, and pin 3 is connected to GND; the PIO5 interface includes three pins, pin 1 is connected to VCC-5, and pin 2 Connect to FLOW2, pin 3 to GND; PIO6 interface includes four pins, pin 1 is connected to VCC-3.3, pin 2 is connected to GY1-1, pin 3 is connected to GY1-2, and Pin 4 is connected to GND; the PIO7 interface includes four pins, pin 1 is connected to VCC-3.3, pin 2 is connected to GY2-1, pin 3 is connected to GY2-2, and pin 4 is connected to GND.

Preferably, the FLOW1 end is connected to one end of the resistor R1, the other end of the resistor R1 is connected to VCC-3.3, the FLOW2 end is connected to one end of the resistor R2, and the other end of the resistor R2 is connected to VCC-3.3.

Preferably, the buzzer alarm circuit includes a resistor R3, a resistor R4, a transistor Q1, a diode D1 and an alarm P1, the BUZZER end is connected to one end of the resistor R3, the other end of the resistor R3 is connected to the base of the transistor Q1, and the emission of the transistor Q1 The pole is connected to GND, the collector is connected to the alarm, one end of the diode D1 is connected to the collector of the transistor Q1, the other end of the diode D1 is connected to the alarm, and is connected to VCC-3.3, and one end of the resistor R4 is connected to the base of the transistor Q1. The pole is connected, and the other end is connected to GND.

Preferably, the OSC-8-IN terminal is connected to one end of the crystal oscillator, and is connected to one end of the capacitor C2, the other end of the capacitor C2 is connected to GND, the OSC-8-OUT terminal is connected to the other end of the crystal oscillator, and is connected to the capacitor. One end of C3 is connected, and the other end of capacitor C3 is connected to GND.

The invention monitors the fertilizer discharge amount of the special liquid fertilizer applicator for wolfberry in real time through the electronic liquid flowmeter, and transmits the information to the collector, which processes the data information, and sends the processed data to the vehicle positioning terminal, and the vehicle positioning The terminal receives the information, displays the information, and uploads the information to the information management platform. The operator can monitor the location information and operation information of the special liquid fertilizer applicator for wolfberry in real time through the information management platform. The fertilizer application amount for planting and the accurate acquisition of the fertilizer application amount provide a basis for precision agriculture and scientific planting, and the invention can realize the precise fertilization of the special liquid fertilizer applicator for wolfberry.

Description of drawings:

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings used in the embodiments. It should be understood that the following drawings only show some embodiments of the present invention, and therefore do not It should be regarded as a limitation of the scope, and for those of ordinary skill in the art, other related drawings can also be obtained according to these drawings without any creative effort.

Figure 1 is a schematic diagram of the structure of the operation information monitoring system of the special liquid fertilizer applicator for wolfberry.

Fig. 2 is a schematic diagram of the integrated chip structure of the collector of the operation information monitoring system of the special-purpose liquid fertilizer applicator for wolfberry.

Figures 3 to 9 are schematic diagrams of the circuit structure of the PIO interface of the collector.

Figure 10 is a schematic diagram of the circuit wiring structure of the FLOW1 terminal and the FLOW2 terminal of the signal collector.

Figure 11 is a schematic diagram of the wiring structure principle of the buzzer alarm circuit of the signal collector.

FIG. 12 is a schematic diagram of the wiring principle of the clock circuit of the signal collector.

Fig. 13 is a flow chart of signal acquisition performed by the integrated chip of the signal acquisition device.

In the figure: information management platform 1, vehicle positioning terminal 2, signal collector 3, power supply equipment 4, electronic liquid flow meter 5, discharge port a,

Detailed ways:

In order to make the purposes, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments These are some embodiments of the present invention, but not all embodiments. The components of the embodiments of the invention generally described and illustrated in the drawings herein may be arranged and designed in a variety of different configurations.

Thus, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the invention as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

It should be noted that like numerals and letters refer to like items in the following figures, so once an item is defined in one figure, it does not require further definition and explanation in subsequent figures.

The present invention provides the following specific examples.

Please refer to Figure 1. The operation information monitoring system of the special liquid fertilizer applicator for wolfberry includes an information management platform 1, a vehicle positioning terminal 2, a signal collector 3, a power supply device 4 and an electronic liquid flow meter 5. The vehicle positioning terminal 2 is equipped with the special purpose for wolfberry. In the cab of the liquid fertilizer applicator, the signal collector 3 is installed on the frame of the special liquid fertilizer applicator for wolfberry, and the electronic liquid flow meter 5 is installed at the discharge port a of the fertilizer box of the special liquid fertilizer applicator for wolfberry. It is used to detect The output of fertilizer, the power supply equipment 4 is equipped on the special liquid fertilizer applicator for wolfberry, and is connected with the power supply level of the special liquid fertilizer applicator for wolfberry. The power supply equipment is connected with the vehicle positioning terminal 2, the signal collector 3 and the electronic liquid flow meter 5. The signal collector 3 is in communication connection with the vehicle positioning terminal 2, the electronic liquid flowmeter 5 is in communication connection with the signal collector 3, and the vehicle positioning terminal 2 is in communication connection with the information management platform 1; the signal collector 3 is used for receiving the electronic liquid flowmeter 5 The fertilizer flow signal is sent to the vehicle positioning terminal 2; the vehicle positioning terminal 2 processes and displays the flow signal, and sends the data information to the information management platform 1 through the Ethernet, and the information management platform 1 will Data is aggregated and displayed.

The vehicle-mounted positioning terminal 2 includes a positioning module, a vehicle-mounted acquisition module, a communication module, a display module and a power supply module. The positioning module, the communication module, the display module and the power supply module are connected to the vehicle-mounted acquisition module, and the power supply module is used to supply power for the operation of the vehicle-mounted positioning terminal. The positioning module is used to receive the position information of the satellite to the special liquid fertilizer applicator for wolfberry, and send the position information to the vehicle-mounted acquisition module, and the display module is used to display the position information, the angle data information and the liquid medicine flow data information.

The positioning module includes a GPS receiver. The GPS receiver receives the geographic location information of the special liquid fertilizer applicator for wolfberry, determines the position state of the special liquid fertilizer for wolfberry, and sends the location information to the vehicle-mounted acquisition module. The vehicle-mounted acquisition module receives the location information and sends The location information is processed and sent to the display module for display.

The information management platform 1 includes a center server, a background database, a display, a computer and an input device. The center server stores the background database, the computer is connected to the background database of the center server through the network, and the computer is connected to the display and the input device by telecommunication; The communication module communicates with the central server through GPRS mobile wireless communication transmission. In the present invention, the vehicle-mounted positioning terminal receives the geographic location information of the special liquid fertilizer applicator for wolfberry through the GPS receiver, determines the position and operation status of the special liquid fertilizer for wolfberry, and displays it in real time through the GIS display module; The information management platform 1 is connected with the database of the central server through the network, receives the data sent by the central server in real time, processes the fertilizer amount information of the special liquid fertilizer applicator for wolfberry, and applies the information of Special liquid fertilizer applicator for real-time monitoring.

Please refer to Figure 2 to Figure 12 at the same time. The signal collector 3 includes a collection box and a collection circuit board. The collection circuit board includes an integrated chip, a PIO interface, a clock circuit, a reset circuit and a buzzer alarm circuit. The integrated chip includes the PA0 pin, PA1 pin, PA2 pin, PA3 pin, PA4 pin, PA5 pin, PA6 pin, PA7 pin, PA8 pin, PA9 pin, PA10 pin, PA11 pin, PA12 pin, PA13 pin pin, PA14 pin, PA15 pin, PB0 pin, PB1 pin, PB2 pin, PB3 pin, PB4 pin, PB5 pin, PB6 pin, PB7 pin, PB8 pin, PB9 pin, PB10 pin, PB11 pin, PB12 pin, PB13 pin, PB14 pin, PB15 pin, PC13 pin, PC14 pin, PC15 pin, F0 pin, F1 pin, F6 pin, F7 pin pin, VBAT pin, VDD pin, VDDA pin, NRST pin, BOOT0 pin, VSSA pin and VSS pin;

PA2 and PA3 are connected to USART2-TX and USART2-RX respectively, PA4 and PA5 are connected to GY1-1 and GY1-2 respectively, PA6 is connected to FLOW2, and PA8 is connected to FLOW2. The pin is connected to the FLOW1 end, the PA9 pin is connected to the USART1-TX end, the PA10 pin is connected to the USART1-RX end, the PA13 pin is connected to the SWD end, and the PA14 pin is connected to the SWC end;

The PB0 pin is connected to the GY2-1 end, the PB1 pin is connected to the GY2-2 end, and the PB7 pin is connected to the BUZZER end;

The F0 pin is connected to the OSC-8-IN terminal, and the F1 pin is connected to the OSC-8-OUT terminal;

The VBAT pin, VDD pin, and VDDA pin are connected to the VCC-3.3 voltage input terminal;

The NRST pin is connected to the reset circuit; the VSSA pin and the VSS pin are connected to the GND terminal;

PIO interface includes PIO1 interface, PIO2 interface, PIO3 interface, PIO4 interface, PIO5 interface, PIO6 interface and PIO7 interface, PIO1 interface is connected with USART1-TX and USART1-RX, PIO2 is connected with USART2-TX and USART2-RX Connection, PIO3 interface is connected with SWD, SWC and NRST, wherein NRST is connected with GND, PIO4 is connected with FLOW1, PIO5 is connected with FLOW2, PIO6 is connected with GY1-1 and GY1-2 ,PIO7 interface is connected with GY2-1 and GY2-2;

The clock circuit is connected with the OSC-8-IN terminal and the OSC-8-OUT terminal, the reset circuit is connected with the NRST terminal, and the buzzer alarm circuit is connected with the BUZZER terminal.

The PIO1 interface has four pins, pin 1 is connected to GND, pin 2 is connected to USART1-TX, pin 3 is connected to USART1-RX, and pin 4 is connected to VCC-5; the PIO2 interface has three Pins, pin 1 is connected to USART2-RX, pin 2 is connected to USART2-TX, and pin 3 is connected to GND; the PIO3 interface includes five pins, pin 1 is connected to SWD, and pin 2 is connected to The SWC terminal is connected, the pin 3 is connected to the NRST terminal, the pin 4 is connected to GND, and is connected to one end of the capacitor C1, the pin 5 is connected to VCC-3.3, and is connected to the other end of the capacitor C1; the PIO4 interface includes three Pins, pin 1 is connected to VCC-5, pin 2 is connected to FLOW1, and pin 3 is connected to GND; the PIO5 interface includes three pins, pin 1 is connected to VCC-5, and pin 2 is connected to FLOW2 connection, pin 3 is connected to GND; the PIO6 interface includes four pins, pin 1 is connected to VCC-3.3, pin 2 is connected to GY1-1, pin 3 is connected to GY1-2, and pin 4 is connected to GND connection; PIO7 interface includes four pins, pin 1 is connected to VCC-3.3, pin 2 is connected to GY2-1, pin 3 is connected to GY2-2, and pin 4 is connected to GND.

The FLOW1 end is connected to one end of the resistor R1, the other end of the resistor R1 is connected to VCC-3.3, the FLOW2 end is connected to one end of the resistor R2, and the other end of the resistor R2 is connected to VCC-3.3.

The buzzer alarm circuit includes resistor R3, resistor R4, transistor Q1, diode D1 and alarm P1. The BUZZER end is connected to one end of the resistor R3, the other end of the resistor R3 is connected to the base of the transistor Q1, and the emitter of the transistor Q1 is connected to GND. Connection, the collector is connected to the alarm, one end of the diode D1 is connected to the collector of the transistor Q1, the other end of the diode D1 is connected to the alarm, and is connected to VCC-3.3, one end of the resistor R4 is connected to the base of the transistor Q1, The other end is connected to GND.

The OSC-8-IN terminal is connected to one end of the crystal oscillator L1, and is connected to one end of the capacitor C2, the other end of the capacitor C2 is connected to GND, the OSC-8-OUT terminal is connected to the other end of the crystal oscillator, and is connected to the capacitor C3. One end is connected, and the other end of the capacitor C3 is connected to GND.

The collector 3 of the operation information monitoring system of the special liquid fertilizer applicator for wolfberry uses STM32F030C8T6 microcontroller. The STM32F030C8T6 microcontroller is a 32-bit MCU based on ARM core, which includes CPU, memory, GPIO, timer, interrupt system, and system clock circuit. As well as the system bus, rich and reasonable peripherals, reasonable power consumption, and reasonable cost performance, it attracts a large number of users. In the present invention, considering that the data acquisition sensor has a large demand for timers, after screening, the single chip STM32F030C8T6 is finally determined, which has 1 advanced acquisition timer, 1 basic timer, 5 general timers and 2 watchdog timers and 1 system tick timer can fully meet the needs of engineering design. In addition, in terms of ADC configuration, it is equipped with a 12-bit ADC channel conversion unit, which not only meets the needs of existing sensors, but also A lot of interfaces for extended sensors are also reserved. The STM32F030C8T6 microcontroller has better data processing operations and reliable and stable operation.

The acquisition circuit board of the collector 3 of the present invention is optimized for the sensor and the power supply line, so that the wiring of the circuit board is reasonable, the analog and digital parts have good isolation and shielding, the signal lines are compact and orderly, and the spacing is the same , and finally ensure the good hardware performance of the information transformation equipment of the special liquid fertilizer applicator for wolfberry, punch holes in the spare parts of the circuit board, ensure the same level of the ground plane on both sides, and increase the shielding performance.

In the present invention, the electronic flow sensor is an electronic flow meter DN40, and the flow rate refers to the quantity of fertilizer passing through a certain section of the discharge port a per unit time. The amount of fertilizer was measured. The flow information of the fertilizer is collected by the electronic liquid flowmeter and transmitted to the STM32F030C8T6 processor. The STM32F030C8T6 processor records and analyzes through the pre-written program, calculates the cumulative flow from the start of work to the current time, and reports it to the vehicle positioning terminal for display, so as to determine the appropriate degree of fertilizer spraying and realize the dataization of the working process.

In the present invention, the electronic liquid flowmeter is used as a flow sensor to collect the flow pulse information of the fertilizer, and then sent to the AD converter after being amplified by the amplifier. The AD converter converts the continuous analog quantity into the discrete digital quantity that the single-chip microcomputer can accept. After the single-chip microcomputer receives the flow signal, under the action of the control system software, it judges the information from the host computer, and makes the processing of receiving or reporting the collected data.

Please refer to FIG. 13 , the acquisition process of the collector of the present invention is: pressing the reset button of the collector, the reset circuit is turned on, the reset circuit controls the system initialization of the acquisition circuit board, the serial port, the timer and the ADC of the acquisition circuit board are initialized, The integrated chip analyzes whether serial port 1 has received the handshake command, and if the analysis is no, it continues to receive serial port 1, and the analysis is yes. Flow, convert the obtained flow value into bytes for temporary storage, and then send it to serial port 1. Whether the communication command is received, yes, report the status data frame to the vehicle-mounted collector of the vehicle-mounted positioning terminal, no, re-collect the angle and flow data .

The invention integrates a control single chip and a high-precision electronic liquid flowmeter DN40 in the hardware structure. By installing the electronic liquid flowmeter, the flow rate of the liquid fertilizer can be accurately tested. The fertilizer quantity signal of the liquid flow meter is then processed in real time, and finally the processed data is sent to the universal bearing positioning terminal for processing. The vehicle positioning terminal receives the information, displays the information, and uploads the information to the information management platform. The operator can monitor the location information and operation information of the special liquid fertilizer applicator for wolfberry in real time through the information management platform. By adopting the present invention, the fertilizer application amount for wolfberry planting can be collected, and the application amount of the fertilizer can be accurately obtained, which is for precision agriculture and scientific planting. The basis is provided, and the precise fertilization of the special-purpose liquid fertilizer applicator can be realized by adopting the present invention.

Claims (9)

1. The utility model provides a special liquid fertilizer distributor operation information monitoring system of matrimony vine which characterized in that: the operation information monitoring system of the special liquid fertilizer applicator for medlar comprises an informatization management platform, a vehicle-mounted positioning terminal, a signal collector, power supply equipment and an electronic liquid flow meter, wherein the vehicle-mounted positioning terminal is assembled in a cab of the special liquid fertilizer applicator for medlar, the signal collector is assembled on a frame of the special liquid fertilizer applicator for medlar, the electronic liquid flow meter is assembled at a discharge port of a fertilizer box of the special liquid fertilizer applicator for medlar, the device comprises a power supply device, a vehicle-mounted positioning terminal, a signal collector and an electronic liquid flowmeter, wherein the power supply device is assembled on the special liquid fertilizer applicator for medlar and is connected with the power supply level of the special liquid fertilizer applicator for medlar; the signal collector is used for receiving a fertilizer flow signal of the electronic liquid flowmeter and sending the fertilizer flow signal to the vehicle-mounted positioning terminal; the vehicle-mounted positioning terminal processes and displays the flow signal, and sends data information to the information management platform through the Ethernet, and the information management platform summarizes and displays the data.

2. The system for monitoring the operation information of the liquid fertilizer applicator special for medlar according to claim 1, wherein: the vehicle-mounted positioning terminal comprises a positioning module, a vehicle-mounted acquisition module, a communication module, a display module and a power supply module, the positioning module, the communication module, the display module and the power supply module are connected with the vehicle-mounted acquisition module, the power supply module is used for supplying power to the operation of the vehicle-mounted positioning terminal, the positioning module is used for receiving position information of a satellite on the special liquid fertilizer applicator for the medlar and sending the position information to the vehicle-mounted acquisition module, and the display module is used for displaying the position information and fertilizer flow data information.

3. The system for monitoring the operation information of the liquid fertilizer applicator special for medlar according to claim 2, wherein: the positioning module comprises a GPS receiver, the GPS receiver receives geographical position information of the special liquid fertilizer applicator for medlar, determines the position state of the special liquid fertilizer applicator for medlar, and sends the position information to the vehicle-mounted acquisition module, and the vehicle-mounted acquisition module receives the position information, processes the position information, and sends the position information to the display module for display.

4. The system for monitoring the operation information of the liquid fertilizer applicator special for medlar according to claim 3, wherein: the information management platform comprises a central server, a background database, a display, a computer and an input device, wherein the background database is stored in the central server, the computer is connected with the background database of the central server through a network, and the computer is in telecommunication connection with the display and the input device; and the communication module of the vehicle-mounted positioning terminal is in communication connection with the central server through GPRS mobile wireless communication transmission.

5. The system for monitoring the operation information of the liquid fertilizer applicator special for medlar according to claim 1, wherein: the signal collector comprises a collection box body and a collection circuit board, wherein the collection circuit board comprises an integrated chip, a PIO interface, a clock circuit, a reset circuit and a buzzer alarm circuit, the integrated chip comprises a PA0 pin, a PA1 pin, a PA2 pin, a PA3 pin, a PA4 pin, a PA5 pin, a PA6 pin, a PA7 pin, a PA8 pin, a PA9 pin, a PA10 pin, a PA11 pin, a PA12 pin, a PA13 pin, a PA14 pin, a PA15 pin, a PB0 pin, a PB1 pin, a PB2 pin, a PB3 pin, a VSS 3 pin, a pin VDDEST 72, a pin, a VBST 72, a pin;

the PA2 pin and the PA3 pin are respectively connected with a USART2-TX end and a USART2-RX end, the PA4 pin and the PA5 pin are respectively connected with a GY1-1 end and a GY1-2 end, the PA6 pin is connected with a FLOW2 end, the PA8 pin is connected with a FLOW1 end, the PA9 pin is connected with a USART1-TX end, the PA10 pin is connected with a USART1-RX end, the PA13 pin is connected with a SWD end, and the PA14 pin is connected with a SWC end;

a PB0 pin is connected with a GY2-1 end, a PB1 pin is connected with a GY2-2 end, and a PB7 pin is connected with a BUZZER end;

the F0 pin is connected with the OSC-8-IN end, and the F1 pin is connected with the OSC-8-OUT end;

the VBAT pin, the VDD pin and the VDDA pin are connected with a VCC-3.3 voltage input end;

the NRST pin is connected with the reset circuit; the VSSA pin and the VSS pin are connected with a GND end;

the PIO interfaces comprise a PIO1 interface, a PIO2 interface, a PIO3 interface, a PIO4 interface, a PIO5 interface, a PIO6 interface and a PIO7 interface, the PIO1 interface is connected with a USART1-TX end and a USART1-RX end, the PIO2 interface is connected with a USART2-TX end and a USART2-RX end, the PIO3 interface is connected with a SWD end, a SWC end and an NRST end, wherein the NRST end is connected with a GND end, the PIO4 interface is connected with a FLOW1 end, the PIO5 interface is connected with a FLOW2 end, the PIO6 interface is connected with a GY1-1 end and a GY1-2 end, and the PIO7 interface is connected with a GY2-1 end and a GY2-2 end;

the clock circuit is connected with the OSC-8-IN end and the OSC-8-OUT end, the reset circuit is connected with the NRST end, and the buzzing alarm circuit is connected with the BUZZER end.

6. The system for monitoring the operation information of the special liquid fertilizer applicator for medlar according to claim 5, wherein: the PIO1 interface is four pins, pin 1 is connected with GND end, pin 2 is connected with USART1-TX end, pin 3 is connected with USART1-RX end, and pin 4 is connected with VCC-5; the PIO2 interface is composed of three pins, wherein pin 1 is connected with a USART2-RX end, pin 2 is connected with a USART2-TX end, and pin 3 is connected with GND; the PIO3 interface comprises five pins, wherein a pin 1 is connected with an SWD end, a pin 2 is connected with an SWC end, a pin 3 is connected with an NRST end, a pin 4 is connected with GND and is connected with one end of a capacitor C1, and a pin 5 is connected with VCC-3.3 and is connected with the other end of the capacitor C1; the PIO4 interface comprises three pins, wherein pin 1 is connected with VCC-5, pin 2 is connected with FLOW1 end, and pin 3 is connected with GND; the PIO5 interface comprises three pins, wherein pin 1 is connected with VCC-5, pin 2 is connected with FLOW2 end, and pin 3 is connected with GND; the PIO6 interface comprises four pins, wherein pin 1 is connected with VCC-3.3, pin 2 is connected with GY1-1 end, pin 3 is connected with GY1-2 end, and pin 4 is connected with GND; the PIO7 interface comprises four pins, pin 1 is connected with VCC-3.3, pin 2 is connected with GY2-1 terminal, pin 3 is connected with GY2-2 terminal, and pin 4 is connected with GND.

7. The system for monitoring the operation information of the special liquid fertilizer applicator for medlar according to claim 6, wherein: the end of FLOW1 is connected with one end of resistor R1, the other end of resistor R1 is connected with VCC-3.3, the end of FLOW2 is connected with one end of resistor R2, the other end of resistor R2 is connected with VCC-3.3.

8. The system for monitoring the operation information of the liquid fertilizer applicator special for medlar according to claim 7, wherein: the buzzing alarm circuit comprises a resistor R3, a resistor R4, a triode Q1, a diode D1 and an alarm P1, wherein the BUZZER end is connected with one end of the resistor R3, the other end of the resistor R3 is connected with the base of the triode Q1, the emitter of the triode Q1 is connected with GND, the collector is connected with the alarm, one end of a diode D1 is connected with the collector of the triode Q1, the other end of the diode D1 is connected with the alarm and is connected with VCC-3.3, one end of the resistor R4 is connected with the base of the triode Q1, and the other end of the resistor R4 is connected with GND.

9. The system for monitoring the operation information of the liquid fertilizer applicator special for medlar according to claim 8, wherein: the OSC-8-IN terminal is connected with one end of the crystal oscillator and one end of the capacitor C2, the other end of the capacitor C2 is connected with GND, the OSC-8-OUT terminal is connected with the other end of the crystal oscillator and one end of the capacitor C3, and the other end of the capacitor C3 is connected with GND.

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