CN205209553U - Long -range farmland information acquisition terminal - Google Patents

Abstract

The utility model discloses a long -range farmland information acquisition terminal, including MSP430F169 microcontroller, temperature and humidity sensor, CO2 consistency transmitter, clock chip and GPRS module, the temperature and humidity sensor model is SHT11, the clock chip model is PCF8563, MSP430F169 microcontroller links to each other with temperature and humidity sensor, clock chip, GPRS module respectively, CO2 consistency transmitter adopts TGS4160, and TGS4160 passes through AM -4 detection module and links to each other with MSP430F169 microcontroller. It can detect through the sensor and gather data signal such as temperature, humidity, CO2 concentration and times to carry out long -range radio communication through the GPRS module, pass to the host computer on the data message with the monitoring, realize farmland weather information remote monitoring.

Description

Long-range field information acquisition terminal

Technical field

The utility model belongs to agriculture technology of Internet of things field, relates in particular to a kind of long-range field information acquisition terminal.

Background technology

China is a large agricultural country, and one of agricultural field that to be climate change the most responsive, meteorological condition is to agricultural production process important, and along with the adjustment of agricultural structure, especially the requirement of featured agriculture to Meteorological Services quality is more and more higher for agricultural.Precision agriculture is the integrated technology system based on information and the complicated agricultural system of information management, it can reach equal income or higher income with input that is minimum or that save most, and environmental protect, utilize all kinds of agricultural resource efficiently, obtain economic benefit and environmental benefit.Precision agriculture represents 21 century Global Agriculture developing direction, as the important achievement of revolution of agricultural and the important component part of agricultural knowledge Innovation project, has become one of the most attractive advanced subject of world today's agricultural.The ways and means that farmland weather information obtains in recent years improves constantly and enriches.But in general, also there are some and have problem to be solved, as field information acquisition process means also relatively fall behind, efficiency is not high, specific aim is not strong; Transmission mode is difficult by wiring, cost is high, transmission range is limited, network the restrictions such as license; Exist and divide the deficiencies such as spreading, equipment are many, difficult management due to farmland.

Summary of the invention

The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of single-chip microcomputer MSP430F169 of super low-power consumption that utilizes as main control chip, the long-range field information acquisition terminal that merges GPRS communication mode, have lower cost.It can be detected by sensor and gather digital signals such as temperature, humidity, CO2 concentration and times, and carries out remote radio communication by GPRS module, the data message of monitoring is uploaded to host computer, realizes farmland weather information remote monitoring.

The utility model is achieved through the following technical solutions:

A kind of long-range field information acquisition terminal, comprises MSP430F169 microcontroller, Temperature Humidity Sensor, CO2 concentration sensor, clock chip and GPRS module; Described Temperature Humidity Sensor model is SHT11; Described clock chip model is PCF8563; MSP430F169 microcontroller is connected with Temperature Humidity Sensor, clock chip, GPRS module respectively, and described CO2 concentration sensor adopts TGS4160, TGS4160 to be connected with MSP430F169 microcontroller by AM-4 detection module.

Advantage of the present utility model and beneficial effect are:

The collection period pre-set in the weather information monitoring system follow procedure of long-range farmland described in the utility model, Temperature Humidity Sensor, CO2 concentration sensor, clock chip is utilized to gather digital signals such as temperature, humidity, CO2 concentration and times respectively, the information of collection is transferred to GPRS module via RS-232 interface and carries out remote radio communication by microcontroller, realizes farmland weather information remote monitoring.The utility model system structure model is reasonable, has extendibility flexibly, and reliable and stable, and cost is lower, can meet the actual needs of farmland weather information remote monitoring.

Accompanying drawing explanation

Fig. 1 is hardware circuit schematic diagram of the present utility model.

Embodiment

The technical solution of the utility model is further illustrated below in conjunction with specific embodiment.

As shown in Figure 1, long-range field information acquisition terminal involved by the utility model, comprise a MSP430F169 microcontroller, Temperature Humidity Sensor, CO2 concentration sensor, clock chip, GPRS module, MSP430F169 microcontroller passes through Temperature Humidity Sensor, CO2 concentration sensor, the operation of clock chip obtains the data message (temperature of each monitoring point, humidity, CO2 concentration, real-time time), and the data message of collection is transferred to GPRS module via RS-232 interface carries out remote radio communication, the data message of monitoring point is uploaded to host computer.

Described MSP430F169 microcontroller is the super low-power consumption of TIX (TI), the high performance microprocessor of 16 bit, and its controlling functions is strong, and rich interface, meets master control requirement of the present utility model.

The SHT11 that described Temperature Humidity Sensor adopts Sensirion company of Switzerland to produce, SHT11 Temperature Humidity Sensor is the digital temperature-humidity sensor with I2C bus, has features such as exempting from debugging, non-calibrating, Measurement Resolution programmable regulating, CRC transfer check, extra small package dimension; Its measuring accuracy is high, is a kind of preferred device in the application of various temperature-humidity monitoring.SHT11 Temperature Humidity Sensor to be connected with MSP430F169 by I2C bus and to communicate.

Described CO2 concentration sensor adopts TGS4160, TGS4160 carbon dioxide sensor to be the solid-state electrochemistry type gas detecting element that Figaro (FIGARO) company produces.This carbon dioxide sensor, except having the features such as volume is little, life-span length, selectivity and good stability, also has the characteristic of the low temperature of resistance to high humidity simultaneously, can be widely used in the application scenario such as automatic ventilation system or the long term monitoring of carbon dioxide.TGS4160 is for detecting gas concentration lwevel signal, in actual measurement application circuit, also to the signal recorded be processed, process the AM-4 detection module being exclusively used in process TGS4160 detection signal (again demarcating TGS4160) that this signal behavior uses Figaro (FIGARO) company.AM-4 detection module is inner with A/D converter, and carried out sampling to data and done process, voltage signal and the carbon dioxide concentration value of its output are linear, and the voltage signal of output is 0 ~ 3.0V, is equivalent to the gas concentration lwevel of 0 ~ 3000ppm.

Multifunction timepiece/the calendar chip with extremely low power dissipation of described clock chip model to be PCF8563, PCF8563 be a technical grade that PHILIPS company releases includes I2C bus interface function.By I2C bus protocol stipulations, the universal serial bus that I2C bus is made up of data line SDA and clock line SCL, can transmit and receive data.Clock chip PCF8563 to be connected with MSP430F169 by I2C bus and to communicate.

For realizing the communication of on-the-spot and client, GPRS module in the utility model selects sky, Beijing with the WG-8010GPRS wireless communication module of Cheng Ye Science and Technology Ltd., the built-in technical grade GPRS module of this module, the RS232/485 data-interface of standard and the SIM card interface of standard are provided, can be connected with microcontroller MSP430F169 easily, only need disposablely to complete initial configuration, just can be set up by GPRS wireless network with data center and be connected, realize the complete transparent transmission of data.Simultaneously, the said firm provide Comway wireless serial software and GPRS module with the use of, user can be helped to set up radio communication channel between far-end serial equipment and subscriber computer, user only needs to install Comway wireless serial software in a computer, the original application program based on serial communication can be used to process the data of far-end serial equipment, and take great energy without the need to working with one's mind in particular problems such as public network IP address or network port mapping, DDNS mappings.

The collection period pre-set in the weather information monitoring system follow procedure of long-range farmland, the temperature detected each sensor, humidity, the digital signal such as CO2 concentration and time gather, and the data collected are transferred to GPRS module via RS-232 interface carry out remote radio communication, the data message of monitoring point is uploaded to host computer, realizes farmland weather information remote monitoring.

Above exemplary description is done to the utility model; should be noted that; when not departing from core of the present utility model, any simple distortion, amendment or other those skilled in the art can not spend the equivalent replacement of creative work all to fall into protection domain of the present utility model.

Claims (1)

1. a long-range field information acquisition terminal, is characterized in that: comprise MSP430F169 microcontroller, Temperature Humidity Sensor, CO2 concentration sensor, clock chip and GPRS module; Described Temperature Humidity Sensor model is SHT11; Described clock chip model is PCF8563; MSP430F169 microcontroller is connected with Temperature Humidity Sensor, clock chip, GPRS module respectively, and described CO2 concentration sensor adopts TGS4160, TGS4160 to be connected with MSP430F169 microcontroller by AM-4 detection module.