| The shooting range environment includes many test ranges such as airplanes,missiles,launch vehicles,and spacecraft.For range tests,the monitoring of the background environment parameters of the range is indispensable,and the range environment parameters determine whether the test task can be successfully completed.Then in the face of the complex shooting range environment,how to conduct centralized collection of various environmental parameters,how to conduct large-scale network monitoring for a wide range of shooting range environment,and how to carry out long-distance transmission of data are all currently faced by shooting range environmental monitoring.This thesis combines LoRa wireless technology,ARM embedded technology,multi-sensor integration technology and Beidou positioning technology to design a set of environmental data integrated monitoring system that meets the background of complex shooting ranges.The main contents include:1.Compare and analyze the existing environmental monitoring system,and conduct a demand analysis of the environmental monitoring system of the shooting range.Select the environmental monitoring sensor according to the plan design.Combining ARM embedded technology,multi-sensor integration technology and μC/OS-Ⅱ real-time operating system to carry out environmental monitoring terminal software and hardware design,to realize the temperature,humidity,light intensity,atmospheric pressure,rainfall,total solar radiation,PM 10 in the environment,PM2.5,wind speed,wind direction and other more than ten kinds of environmental parameters for integrated collection.Solve the problems of single collection of background environment monitoring data in shooting range and low integration level.2.Compare multiple wireless transmission technologies such as WiFi,ZigBee,LoRa,and use the characteristics and advantages of LoRa wireless technology to apply LoRa technology to range environment monitoring.Carry out LoRa wireless module node hardware circuit and software communication design to realize long-distance low-power network transmission of collected environmental data.The Beidou technology is used to realize the location information positioning function of the environmental monitoring terminal.3.Design the host computer software of the remote monitoring terminal according to the system architecture.The remote monitoring terminal receives the environmental data and location information collected by each environmental monitoring terminal through the LoRa wireless module,analyzes and processes the environmental data and designs human-computer interaction,and realizes positioning Information map display function.After the system scheme design is completed,the system appearance model design,system assembly and debugging are carried out.Debugging includes environmental terminal acquisition test,LoRa communication performance test and host computer software test.The test results show that the environmental monitoring terminal can collect more than ten kinds of environmental parameters in the environment in a centralized and accurate manner,and accurately obtain the terminal location information.The transmission distance,packet loss rate and node networking performance of the LoRa wireless module can reach the design goals.The remote monitoring terminal host computer software can accurately receive and process environmental data and location information.In this thesis,the integrated monitoring of shooting range environmental parameters and the design of the LoRa networking system have achieved the goals of centralized and accurate measurement of shooting range environmental data,high equipment quality,long data transmission distance,flexible networking mode,etc.,providing an effective set of environmental monitoring for the shooting range Monitoring equipment. |