CN205427670U - Long -range farmland weather information monitoring system based on MSP430F169 - Google Patents

Abstract

The utility model discloses a long -range farmland weather information monitoring system based on MSP430F169, including a MSP430F169 microcontroller, MSP430F169 microcontroller links to each other with temperature and humidity sensor, light intensity sensor, CO2 consistency transmitter, clock chip, GPRS module, dot matrix keyboard, liquid crystal display respectively, CO2 consistency transmitter adopts TGS4160, does TGS4160 pass through AM 4 detection module links to each other with MSP430F169 microcontroller. MSP430F169 microcontroller acquires the data message of each monitoring point through the operation to temperature and humidity sensor, light intensity sensor, CO2 consistency transmitter, clock chip to with data message via the RS who gathers 232 interface transfer carries out long -range radio communication to the GPRS module.

Description

Long-range farmland based on MSP430F169 weather information monitoring system

Technical field

The utility model belongs to agricultural technology of Internet of things field, relates in particular to a kind of based on MSP430F169 long-range Farmland weather information monitoring system.

Background technology

China is a large agricultural country, and one of agricultural field that to be climate change most sensitive, meteorological condition is raw to agricultural Product process important, and along with the adjustment of agricultural structure, agricultural especially featured agriculture is to Meteorological Services The requirement of quality is more and more higher.Precision agriculture is based on information and the integrated technology system of information management complexity agricultural system, It can reach to take on an equal basis or higher income with input that is minimum or that save most, and improves environment, utilizes each efficiently Class agricultural resource, it is thus achieved that economic benefit and environmental benefit.Precision agriculture represents 21 century Global Agriculture developing direction, Important achievement and the important component part of agricultural knowledge Innovation project as revolution of agricultural, it has also become world today's agriculture One of advanced subject that industry is the most attractive.The ways and means that farmland weather information obtains in recent years improves constantly with rich Rich.But in general, there is also some has problem to be solved, as the most backward in field information acquisition process means, Inefficient, specific aim is the strongest；Transmission means is limited by wiring difficulty, cost height, limited, the networking license of transmission range etc.； Exist due to deficiencies such as scattered, many, the difficult management of equipment of farmland distribution.

Summary of the invention

The purpose of this utility model is to overcome the deficiencies in the prior art, it is provided that a kind of single-chip microcomputer utilizing super low-power consumption MSP430F169 as main control chip, merge GPRS communication mode, there is the long-range farmland weather information of lower cost Monitoring system.This system can be detected numerals such as temperature, humidity, illumination, CO2 concentration and times by sensor Signal is acquired, and carries out remote radio communication by GPRS module, and the data message of monitoring is uploaded to host computer, Realize farmland weather information is remotely monitored.

The utility model is achieved through the following technical solutions:

A kind of long-range farmland based on MSP430F169 weather information monitoring system, including a MSP430F169 microcontroller Device, MSP430F169 microcontroller respectively with Temperature Humidity Sensor, optical sensor, CO2 concentration sensor, clock Chip, GPRS module, dot matrix keyboard, LCDs are connected, and described CO2 concentration sensor uses TGS4160, TGS4160 is connected with MSP430F169 microcontroller by AM-4 detection module.

In technique scheme, described Temperature Humidity Sensor model is SHT11.

In technique scheme, described optical sensor model is BH1750.

In technique scheme, described clock chip model is PCF8563.

Advantage of the present utility model and having the beneficial effect that

The collection period pre-set in the weather information monitoring system follow procedure of long-range farmland described in the utility model, utilizes Temperature Humidity Sensor, optical sensor, CO2 concentration sensor, clock chip are respectively to temperature, humidity, illumination, CO2 The data signal such as concentration and time is acquired, and the information of collection is transferred to by microcontroller via RS-232 interface GPRS module carries out remote radio communication, it is achieved remotely monitor farmland weather information.The utility model system structure model Rationally, design of hardware and software is feasible, has extendibility flexibly, and reliable and stable, and cost is relatively low, can meet farmland What weather information was remotely monitored is actually needed.

Accompanying drawing explanation

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

Detailed description of the invention

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

As it is shown in figure 1, a kind of based on MSP430F169 the long-range farmland weather information monitoring involved by the utility model System, including a MSP430F169 microcontroller, MSP430F169 microcontroller respectively with Temperature Humidity Sensor, light It is connected according to sensor, CO2 concentration sensor, clock chip, GPRS module, dot matrix keyboard, LCDs, MSP430F169 microcontroller is by Temperature Humidity Sensor, optical sensor, CO2 concentration sensor, clock core Sheet operation obtain each monitoring point data message (temperature, humidity, light radiation intensity, CO2 concentration, real-time time Between), and the data message of collection is transferred to GPRS module via RS-232 interface carries out remote radio communication, will prison The data message of measuring point is uploaded to host computer.

Described MSP430F169 microcontroller be TIX (TI) super low-power consumption, high performance 16 micro- Processor, it is strong that it controls function, and rich interface meets master control requirement of the present utility model.

SHT11, the SHT11 Temperature Humidity Sensor that described Temperature Humidity Sensor uses Sensirion company of Switzerland to produce is With the digital temperature-humidity sensor of I2C bus, have exempt from debugging, non-calibrating, Measurement Resolution programmable regulating, The features such as CRC transmission verification, extra small package dimension；Its certainty of measurement is high, is the one in the application of various temperature-humidity monitoring Preferred device.SHT11 Temperature Humidity Sensor is connected with MSP430F169 is communicated by I2C bus.

Described optical sensor model is BH1750.BH1750 is the numeral of a kind of twin wire universal serial bus I2C interface Type intensity of illumination sensor IC.It can carry out environmental monitoring according to the light intensity data collected, and can support Large range of intensity of illumination changes, and Direct Digital exports, and saves the mathematical operation of complexity, simple and easy to use.Illumination Sensor BH1750 is connected with MSP430F169 is communicated by I2C bus.

The detection of described carbon dioxide uses gas concentration lwevel sensor TGS4160, and TGS4160 carbon dioxide sensor is The solid-state electrochemistry type gas detecting element that Figaro (FIGARO) company produces.This carbon dioxide sensor is except having Outside the features such as volume is little, life-span length, selectivity and good stability, the most also there is the characteristic of the low temperature of resistance to high humidity, can be extensive For application scenarios such as automatic ventilation system or the long term monitoring of carbon dioxide.TGS4160 is used for detection two Carbonoxide concentration signal, in reality measures application circuit, also to process the signal recorded, and processes the choosing of this signal Select and use the process TGS4160 that is exclusively used in of Figaro (FIGARO) company to detect signal (re-scaling TGS4160) AM-4 detection module.With A/D converter inside AM-4 detection module, and data are carried out sampling and has made Processing, the voltage signal of its output is linear with carbon dioxide concentration value, and the voltage signal of output is 0～3.0V, Be equivalent to the gas concentration lwevel of 0～3000ppm.

Described clock chip model be PCF8563, PCF8563 be PHILIPS company release a technical grade include Multifunction timepiece/the calendar chip with extremely low power dissipation of I2C EBI function.By I2C bus protocol stipulations, I2C The universal serial bus that bus is made up of data wire SDA and clock line SCL, can send and receive data.Clock chip PCF8563 is connected with MSP430F169 is communicated by I2C bus.

For realizing the communication of on-the-spot and client, the GPRS module in the utility model selects sky, Beijing to have with sincere industry science and technology The WG-8010GPRS wireless communication module of limit company, this module built-in technical grade GPRS module, it is provided that standard The SIM interface of RS232/485 data-interface and standard, can easily with microcontroller MSP430F169 even Connect, it is only necessary to disposably complete initial configuration, it is possible to be connected by the foundation of GPRS wireless network with data center, real The fully transparent transmission of existing data.Meanwhile, the said firm provides Comway wireless serial software and coordinates with GPRS module Using, user can be helped to set up the radio communication channel between far-end serial equipment and subscriber computer, user only need to be Computer is installed Comway wireless serial software, original application program based on serial communication can be used to process far The data of end serial equipment, and take great energy without working with one's mind map in public network IP address or the network port, DDNS reflects The particular problem such as penetrate.

Described dot matrix keyboard and LCDs composition man-machine interactive system, dot matrix keyboard selects 4X4 dot matrix keyboard, liquid crystal Display screen selects 12864LCD LCDs.

Remotely farmland weather information monitoring system is by the collection period pre-set, the temperature that each sensor is detected, humidity, The data signals such as illumination, CO2 concentration and time are acquired, and by the data message of collection via RS-232 interface It is transferred to GPRS module and carries out remote radio communication, the data message of monitoring point is uploaded to host computer, it is achieved to farmland Weather information is remotely monitored.

Above the utility model is done exemplary description, it should explanation, without departing from core of the present utility model In the case of, any simple deformation, amendment or other those skilled in the art can not spend creative work etc. Protection domain of the present utility model is each fallen within replacing.

Claims (2)

1. long-range farmland based on a MSP430F169 weather information monitoring system, it is characterized in that: include a MSP430F169 microcontroller, MSP430F169 microcontroller is connected with Temperature Humidity Sensor, optical sensor, CO2 concentration sensor, clock chip, GPRS module, dot matrix keyboard, LCDs respectively；Wherein, described CO2 concentration sensor uses TGS4160, TGS4160 to be connected with MSP430F169 microcontroller by AM-4 detection module；Described Temperature Humidity Sensor model is SHT11；Described optical sensor model is BH1750.

Long-range farmland based on MSP430F169 the most according to claim 1 weather information monitoring system, it is characterised in that: described clock chip model is PCF8563.