CAJ | 학술논문

介绍了一种基于德州仪器低功耗单片机 MSP430F247 为控制核心，利用一体化超声波传感器、温湿度传感器、压力传感器与时钟芯片等，设计的一种智能导盲仪．该装置可对前方 180 度范围内障碍物进行距离探测，并转换成语音信息进行提示，同时提供了温湿度、大气压力、天气预测、秒表、万年历、时钟、闹钟、电池电量检测、安全海拔高度设置与报警等功能，支持 2.2V～4.2V 宽范围电池供电，具有自动待机节能模式．系统的创新之处在于功耗低、测量精度高、易于调试，且具有成本低廉、能清楚的播报声音信息给盲人等特点．
개소료일충기우덕주의기저공모단편궤 MSP430F247 위공제핵심，이용일체화초성파전감기、온습도전감기、압력전감기여시종심편등，설계적일충지능도맹의．해장치가대전방 180 도범위내장애물진행거리탐측，병전환성어음신식진행제시，동시제공료온습도、대기압력、천기예측、초표、만년력、시종、료종、전지전량검측、안전해발고도설치여보경등공능，지지 2.2V～4.2V 관범위전지공전，구유자동대궤절능모식．계통적창신지처재우공모저、측량정도고、역우조시，차구유성본저렴、능청초적파보성음신식급맹인등특점．
This article introduces an intelligent guide instrument with a MSP430F247 of the Texas Instruments to be its control core,which makes full use of an integration of ultrasonic sensor,temperature and humidity sensor,pressure sensor,clock chip and the like.This device can get the distance to the front obstacle at the extent of no more than 180 degrees and the data could be transformed to voice prompt.Meanwhile it provides the function of weather forecast,seconds counter,and perpetual calendar,alarm clock,setting safety altitude and warning in case of emergency,the detection of humiture,atmospheric pressure,and battery power and so on.This instrument has automatic power saving mode and can be supported by a wide range power supply between 2.2v and 4.2v.The system has the characteristic of low power consumption,high accuracy,easy to debug,low cost and can broadcast voice message to the blind and so forth.