CN203100773U - Farmland environment information acquisition device - Google Patents

Abstract

A farmland environmental information collection device is used to collect and process various environmental information in the microenvironment of crop growth, and adopts three methods for data transmission to realize remote monitoring of farmland environmental information. The control system comprises: main control module (1); sensor group one (2); sensor group two (3); sensor group three (4); data transmission module (5); GPS positioning module (6); liquid crystal display module (7); power supply module (8). The farmland environmental information collection device has the characteristics of high degree of informatization, simple structure, convenient operation, low cost, etc., and has certain practical value.

Description

Farmland environmental information collection device

technical field

The utility model relates to a farmland environmental information collection device, specifically, a low-power embedded processor STM32F103VE is used to form a main control system, and corresponding sensor modules, positioning modules, liquid crystal display modules and data transmission modules are configured to jointly complete the Farmland environmental information parameters based on precise spatial locations, such as atmospheric temperature and humidity, carbon dioxide concentration, wind speed, and light, provide support for farmland environmental information data for the implementation of precision agriculture in the future. the

Background technique

At present, modern agriculture is moving towards precision. The basic meaning of precision agriculture is to adjust the input to crops according to the environmental conditions of crop growth, to achieve the same income or higher income with the least or most economical input, and to improve the environment. The farmland environment is a complex ecosystem, including various factors such as soil, water, temperature and humidity, light, and carbon dioxide concentration. Dynamic, real-time, and accurate information about the microenvironment of crops is becoming more and more important to the development of modern agriculture, especially precision agriculture. the

Utility model content

The technical problem to be solved by the utility model is to provide a farmland environmental information collection device with high informatization degree, low cost and simple structure, which can be applied to the information collection in the crop growth microenvironment. the

The technical solution adopted by the utility model is: a farmland environmental information collection device, which has a main control module, and also includes a sensor group 1 connected with the input end of the main control module; a sensor group 2 connected with the input end of the main control module The sensor group three that links to each other with the input end of main control module; The data transmission module that links to each other with the output end of main control module; The GPS positioning module that links to each other with the input end of main control module; The liquid crystal that links to each other with the output end of main control module A display module; a power module connected to the main control module. the

The main control module adopts the latest generation of embedded ARM processor STM32F103VE, which has the advantages of high performance, low power consumption, real-time application, and low cost, and completes the information collection function of the entire device by matching corresponding peripheral circuits. the

The first sensor group includes a temperature and humidity sensor, a carbon dioxide sensor and an illumination sensor, which are used to provide atmospheric temperature and humidity, carbon dioxide concentration and illumination information. the

The second sensor group includes a canopy temperature sensor and a wind speed sensor for providing canopy temperature and canopy wind speed information. the

The sensor group three includes a soil temperature sensor and a soil moisture sensor for providing soil temperature and moisture information. the

The data transmission module includes a RS485 bus, a ZigBee communication module and an SD card storage module, and is used for data transfer of the collected farmland environmental information. the

The GPS positioning module is used to provide precise geographic coordinates. the

The liquid crystal display module is used to display various information parameters in the farmland environment. the

The power supply module is responsible for providing power to the whole system to make it work normally. the

Description of drawings

Fig. 1 is a structural block diagram of the farmland environmental information collection device;

Fig. 2 is a circuit schematic diagram of the sensor group 1 of the farmland environmental information collection device;

Fig. 3 is the schematic diagram of the second circuit of the sensor group of the farmland environmental information collection device;

Fig. 4 is a schematic diagram of three circuits of the sensor group of the farmland environmental information collection device;

Fig. 5 is the schematic diagram of the SD card storage module circuit of the farmland environmental information collection device;

Fig. 6 is the circuit schematic diagram of the RS485 bus module of the farmland environmental information collection device;

Fig. 7 is the ZigBee communication module circuit schematic diagram of this farmland environment information collection device;

Fig. 8 is a circuit schematic diagram of the GPS positioning module of the farmland environmental information collection device. the

Detailed ways

Below in conjunction with accompanying drawing and example the utility model is described further. the

This farmland environmental information collection device mainly has three basic functions: collection of crop growth micro-environmental information, preprocessing sampling data and data transmission. After processing the collected farmland environmental information, it is uploaded to the agricultural information center through the data transmission module. The implementation of precision agriculture provides data support. the

As shown in Figure 1, the farmland environmental information acquisition device of the present utility model has a main control module (1), and also includes a sensor group one (2) connected to the input end of the main control module (1); connected with the main control module ( The sensor group two (3) connected to the input end of 1); the sensor group three (4) connected to the input end of the main control module (1); the data transmission module (5) connected to the output end of the main control module (1) ); the GPS positioning module (6) connected to the input end of the main control module (1); the liquid crystal display module (7) connected to the output end of the main control module (1); the power supply connected to the main control module (1) module (8). the

As shown in FIG. 2 , the sensor group 1 of the present invention includes a temperature and humidity sensor, a carbon dioxide sensor and an illumination sensor for providing atmospheric temperature and humidity, carbon dioxide concentration and illumination information. The temperature and humidity sensor chooses SHT75 temperature and humidity sensor, which contains a 14-bit A/D converter and uses a two-wire serial interface to transmit data; the carbon dioxide sensor is connected to the serial port of the main control module for digital data output; the light sensor and the main control module The analog-to-digital conversion interface is connected to convert the analog signal into a digital signal. the

As shown in FIG. 3 , the second sensor group of the present invention includes a canopy temperature sensor and a wind speed sensor for providing canopy temperature and canopy wind speed information. The canopy temperature sensor adopts TNR infrared temperature sensor, which is connected to the main control module through SPI communication mode; the wind speed sensor adopts the traditional wind cup type wind speed sensor, which is connected to the counting input source CH1 channel of the timing/counter 2 of the main control module. It is used to measure the pulse frequency signal output by the wind speed sensor, and then convert it into wind speed. the

As shown in Fig. 4, the sensor group three of the present invention includes a soil temperature sensor and a soil moisture sensor for providing soil temperature and moisture information. The soil temperature sensor and the soil moisture sensor are respectively connected to an analog-to-digital conversion interface of the main control module, and are used to measure the analog voltage signals respectively output by the soil temperature and moisture sensors. the

As shown in FIG. 5 , the SD card storage module of the present invention is connected with the main control module through SPI, and is used for storing and collecting farmland environmental information. the

As shown in Figure 6, the RS485 module of the present invention uses a MAX485 chip to convert the TTL level into a 485 level for bus transmission of data. the

As shown in Figure 7, the ZigBee communication module of the present invention is connected with the serial port of the main control module for wireless transmission of data. the

As shown in Figure 8, the GPS positioning module of the present invention is composed of the global satellite positioning receiving chip Gstar series GS-89, which is connected through the serial port of the main control module to complete the reception of GPS coordinate information. the

Claims (5)

1. a farm environment information collecting device has main control module (1), it is characterized in that, also comprises the sensor groups one (2) that links to each other with the input end of main control module (1); The sensor groups two (3) that links to each other with the input end of main control module (1); The sensor groups three (4) that links to each other with the input end of main control module (1); The data transmission module (5) that links to each other with the output terminal of main control module (1); The GPS locating module (6) that links to each other with the input end of main control module (1); The LCD MODULE (7) that links to each other with the output terminal of main control module (1); The power module (8) that links to each other with main control module (1).

2. farm environment information collecting device according to claim 1 is characterized in that: described sensor groups one comprises Temperature Humidity Sensor, carbon dioxide sensor and optical sensor.

3. farm environment information collecting device according to claim 1 is characterized in that: described sensor groups two comprises canopy surface temperature sensor and air velocity transducer.

4. farm environment information collecting device according to claim 1 is characterized in that: described sensor groups three comprises soil moisture sensor and soil moisture sensor.

5. farm environment information collecting device according to claim 1 is characterized in that: described data transmission module (5) comprises RS485 bus, ZigBee communication module and SD card memory module.

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