病房无线呼叫系统的设计-毕业论文.docx

毕业论文（设计） 题 目： 病房无线呼叫系统的设计 英 文：Design of wireless calling system in ward 病房无线呼叫系统的设计 摘要 本次病房无线呼叫系统设计是以AT89C51单片机作为关键核心控制模块，通过AT89C51单片机控制无线模块完成对模拟病房按键数据的传输任务。本次病房无线呼叫系统的设计采用的是主机接收端和从机呼叫端分开设计，从机呼叫端和主机接收端通过NRF24L01无线模块进行模拟病房信号传输。从机呼叫端包括模拟病房按键模块、NRF24L01无线模块以及单片机最小系统；主机接收端包括有单片机最小系统、NRF24L01无线模块和LCD1602液晶显示模块以及DS1302时钟电路模块。从机呼叫端单片机需要对模拟病房按键进行实时检测，NRF24L01无线模块将检测到的模拟病床信号发送到主机接收端；主机接收端NRF24L01无线模块接收到从机呼叫端发送的无线信号后，主机接收端单片机对接收到的信号进行相关处理，并且蜂鸣器进行报警以及LCD1602显示呼叫病床号以提醒医护人员，医护人员也可以通过护士键取消报警信号。 关键词：AT89C51单片机；NRF24L01无线收发模块；LCD1602液晶显示  Design of wireless calling system in ward ABSTRACT The design of the ward wireless call system is based on AT89C51 single chip microcomputer as the key control module. The wireless module is controlled by AT89C51 single chip microcomputer to complete the transmission task of key data of the simulated ward. The design of the ward wireless call system adopts the separate design of the host receiving terminal and the slave calling terminal. The slave calling terminal and the host receiving terminal carry out the analog ward signal transmission through nRF24L01 wireless module. The slave call end includes the analog ward key module, nRF24L01 wireless module and MCU minimum system; the host receiver includes the MCU minimum system, nRF24L01 wireless module, LCD1602 LCD module and DS1302 clock circuit module. The MCU of the slave call terminal needs to detect the key of the analog ward in real time. The nRF24L01 wireless module sends the detected signal of the analog sickbed to the receiving terminal of the host; after the nRF24L01 wireless module of the receiving terminal of the host receives the wireless signal sent by the slave call terminal, the MCU of the receiving terminal of the host carries out relevant processing on the received signal, and the buzzer alarms and LCD1602 displays Call the bed number to remind the medical staff. The medical staff can also cancel the alarm signal through the nurse key. Key word