CN203100773U

CN203100773U - Farmland environment information acquisition device

Info

Publication number: CN203100773U
Application number: CN 201220684522
Authority: CN
Inventors: 田立国; 陈高丽; 霍瑞朋; 刘玥; 关蓓蓓; 吴兴利
Original assignee: Tianjin University of Technology
Current assignee: Tianjin University of Technology
Priority date: 2013-05-10
Filing date: 2013-05-10
Publication date: 2013-07-31
Anticipated expiration: 2023-05-10

Abstract

Provided is a farmland environment information acquisition device, used to acquire and process each environment information in a crop growing microenvironment. Three methods are used to transmit data, so as to realize remote monitoring of farmland environment information. A control system comprises a master control module (1), a first sensor group (2), a second sensor group (3), a third sensor group (4), a data transmission module (5), a GPS positioning module (6), a liquid crystal display module (7), and a power supply module (8). The farmland environment information acquisition device is characterized by high informatization degree, simple structure, convenient operation, low cost, etc., and the device has certain practical value.

Description

The farm environment information collecting device

Technical field

The utility model relates to a kind of farm environment information collecting device, be to adopt low-power-consumption embedded processor STM32F103VE to form master control system specifically, dispose modules such as corresponding sensor assembly, locating module, LCD MODULE and data transmission, finish farm environment information parameter jointly based on accurate locus, such as information such as big temperature and moisture, gas concentration lwevel, wind speed and illumination, provide the support of farm environment information data for the enforcement of following precision agriculture.

Background technology

At present, modern agriculture strides forward to the precision direction.The basic connotation of precision agriculture is the environmental aspect according to plant growth, regulates the input to crop, reaches equal income or higher income with input minimum or that save most, and improves environment.Farm environment is the ecosystem of a complexity, comprises the multiple factors such as soil, moisture, humiture, illumination, gas concentration lwevel, dynamically, in real time, particularly the development of precision agriculture is more and more important to modern agriculture for accurate crops microenvironment information.

The utility model content

Technical problem to be solved in the utility model is, a kind of level of informatization height, with low cost, simple in structure is provided, and can be applied to the farm environment information collecting device of information acquisition in the crop growth microenvironment.

The technical scheme that the utility model adopted is: a kind of farm environment information collecting device, have main control module, and also comprise the sensor groups one that links to each other with the input end of main control module; The sensor groups two that links to each other with the input end of main control module; The sensor groups 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 terminal of main control module; The GPS locating module that links to each other with the input end of main control module; The LCD MODULE that links to each other with the output terminal of main control module; The power module that links to each other with main control module.

Described main control module adopts the embedded ARM processor STM32F103VE of latest generation, and advantages such as having high-performance, low-power consumption, use in real time, cost is low is finished the information collection function of whole device by the collocation correspondent peripheral circuit.

Described sensor groups one comprises Temperature Humidity Sensor, carbon dioxide sensor and optical sensor, is used to provide big temperature and moisture, gas concentration lwevel and illumination information.

Described sensor groups two comprises canopy surface temperature sensor and air velocity transducer, is used to provide canopy surface temperature and canopy wind speed information.

Described sensor groups three comprises soil moisture sensor and soil moisture sensor, is used to provide the soil moisture and moisture information.

Described data transmission module comprises RS485 bus, ZigBee communication module and SD card memory module, is used for that the farm environment information that collects is carried out data and shifts.

Described GPS locating module is used to provide accurate geographic coordinate.

Described LCD MODULE is used for showing every information parameter of farm environment.

Described power module is responsible for providing power supply to total system, so that its operate as normal.

Description of drawings

Fig. 1 is this farm environment information collecting device structured flowchart;

Fig. 2 is this farm environment information collecting device sensor groups one circuit theory diagrams;

Fig. 3 is this farm environment information collecting device sensor groups two circuit theory diagrams;

Fig. 4 is this farm environment information collecting device sensor groups three-circuit schematic diagram;

Fig. 5 is this farm environment information collecting device SD card memory module circuit theory diagrams;

Fig. 6 is this farm environment information collecting device RS485 bus module circuit theory diagrams;

Fig. 7 is this farm environment information collecting device ZigBee communication module circuit theory diagrams;

Fig. 8 is this farm environment information collecting device GPS locating module circuit theory diagrams.

Embodiment

The utility model is described in further detail below in conjunction with accompanying drawing and example.

This farm environment information collecting device mainly has collection, pre-service sampled data and three basic functions of data transmission of crop growth microenvironment information, to collect after farm environment information handles, be uploaded to agricultural information center by data transmission module, for the enforcement of following precision agriculture provides the data support.

As shown in Figure 1, farm environment information collecting device of the present utility model has main control module (1), 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).

As shown in Figure 2, sensor groups one of the present utility model comprises Temperature Humidity Sensor, carbon dioxide sensor and optical sensor, is used to provide big temperature and moisture, gas concentration lwevel and illumination information.Temperature Humidity Sensor is selected the SHT75 Temperature Humidity Sensor, includes 14 A/D converters and adopts two-wire serial interface transmission data; Carbon dioxide sensor links to each other with the serial ports of main control module, carries out digital data output; Optical sensor links to each other with the analog to digital conversion interface of main control module, and analog signal conversion is become digital signal.

As shown in Figure 3, sensor groups two of the present utility model comprises canopy surface temperature sensor and air velocity transducer, is used to provide canopy surface temperature and canopy wind speed information.The canopy surface temperature sensor adopts the TNR infrared temperature-test sensor, links to each other with main control module by the SPI communication mode; Air velocity transducer adopts traditional vane formula air velocity transducer, links to each other with the counting input source CH1 passage of the Timer 2 of main control module, is used for the pulse duration frequency signal that the measuring wind sensor is exported, and then is converted to wind speed.

As shown in Figure 4, sensor groups three of the present utility model comprises soil moisture sensor and soil moisture sensor, is used to provide the soil moisture and moisture information.Soil moisture sensor links to each other with an analog to digital conversion interface of main control module respectively with soil moisture sensor, is used for the analog voltage signal that measured soil temperature and moisture transducer are exported respectively.

As shown in Figure 5, SD card memory module of the present utility model adopts the SPI mode to link to each other with main control module, is used for storage of collected to farm environment information.

As shown in Figure 6, RS485 module of the present utility model adopts the MAX485 chip to convert Transistor-Transistor Logic level to 485 level, is used for the bus transfer of data.

As shown in Figure 7, ZigBee communication module of the present utility model links to each other with the serial ports of main control module, is used for the wireless transmission of data.

As shown in Figure 8, GPS locating module of the present utility model adopts global positioning satellite receiving chip Gstar series GS-89 to form, and is continuous by the serial ports of main control module, finishes the reception of gps coordinate information.

Claims

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.