Design Of The Wireless Monitor System For Single-resided Elder

A great change has taken place in the population construct of our nation under the effect of singleton-baby policy. The rate of the old is on the increase in many large cities. While in the future society, people suffer more and more work pressure due to the effect from the cruel occupation competition caused by the market economy system, and they had great difficulty in paying enough attention to the old after work, which results that more and more single-resided elderes have to take care of themselves. Once certain a suddenness happen they always can't get notice and help immediately, which often leads to a woeful accident or badly case. As a result, how to take a protection to the single-resided elder has become a social problem needing to be settled urgently.The dissertation put forward a method to design a monitor system for single-resided elder which based on transferring data wirelessly, and show the involved designs for hardware and software. We carry out transferring the monitor data wirelessly by introducing a single chip RF transceiver nRF401 and unidirection RF modules in the traditional microprocessor system.The wireless monitor system for single-resided elder can detect whether the old do activities and the daily rules of these by place kinds of monitor parameter sensors in their house. The data collected would be sent to the areola monitor center according with which a unified daily care would be taken by monitor personnel of the elder whom no one attend. Once there is a suddenness, system would raise an auto-alarm to the monitors. Functions about emergency alarming and protection removing are setted in this system as well. If an emergency happen, the elder can alarm by a relevant switch; If the elder want to go out for a long time, they can turn down the system lest a unwanted alarm be happen.The main tasks of this paper are as follows: studied the MCU fundamental and design method; researched assembler language programing; designed total system scheme; in hardware it referred to the designs of data collected module circuits, the interface between MCU and RTC, RF wireless transceiver circuit, emergency alarming and protection removing circuits, and the framework designing about the areola monitor center; in software it illustrated the realization of each function module about the main controller and skills in assembler programme; Programmed with assembly language for function blocks about data-collected recerving and switch storaging, fixed time transmitting data, alarming and protection removing;And designed the wireless communication protocol.