基于MSP430单片机的电子艾灸盒设计
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摘要
目的为解决现有艾灸器具无法实时监测调节温度,易造成病人烫伤,无法获得最佳艾灸疗效等问题,提出了基于MSP430F149单片机的电子艾灸盒的设计。方法通过键盘输入预设温度,由MSP430 F149单片机控制DS18B20温度传感器读取实时测量温度,根据测量温度与预设温度比较结果控制步进电机旋转以调节筛网的高度,最终达到闭环监测调节温度的目的。结果根据实际测量艾灸温度,依据相对误差公式,计算相对误差为1.69%,相对误差较小,说明电子艾灸盒可较好的控制艾灸温度。结论多次实验证明,该设计能够实时监测并有效控制艾灸温度,大大降低病人烫伤的风险。
Objective Considering that the current moxibustion apparatus cannot adjust the temperature for the real-time monitoring, which easily lead to patient burns and inadequate moxibustion curative effect, we proposed the design of electronic moxibustion apparatus based on MSP430F149. Methods First of all, we preset the temperature with a keyboard and get a real-time temperature with the DS18B20 temperature sensor controlled by the MSP430 F149. Then, we compared the measured temperature with the preset temperature. In the following, based on the comparison above, we regulated the level of the screen by manipulating the rotation of the stepper motor. Finally, we got the closed-loop temperature control. Results Through calculating the relative error with the relative error formula according to the actual measured moxibustion temperature, we knew that the relative error was 1.69%, which indicating that the electronic moxibustion apparatus could control and adjust the temperature well. Conclusion After a series of experiments, the design has been proved to be able to monitor and control the temperature, and can reduce the risk of burning.
Objective Considering that the current moxibustion apparatus cannot adjust the temperature for the real-time monitoring, which easily lead to patient burns and inadequate moxibustion curative effect, we proposed the design of electronic moxibustion apparatus based on MSP430F149. Methods First of all, we preset the temperature with a keyboard and get a real-time temperature with the DS18B20 temperature sensor controlled by the MSP430 F149. Then, we compared the measured temperature with the preset temperature. In the following, based on the comparison above, we regulated the level of the screen by manipulating the rotation of the stepper motor. Finally, we got the closed-loop temperature control. Results Through calculating the relative error with the relative error formula according to the actual measured moxibustion temperature, we knew that the relative error was 1.69%, which indicating that the electronic moxibustion apparatus could control and adjust the temperature well. Conclusion After a series of experiments, the design has been proved to be able to monitor and control the temperature, and can reduce the risk of burning.
引文
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[2]常小荣,刘密,严洁,等.艾灸温通温补效应的作用机制及其规律研究[J].世界中医药,2013,8(8):875-879.
[3]余曙光,唐勇,尹海燕等.艾灸刺激穴位局部感受的生物学基础[J].世界中医药,2013(8):867-870.
[4]刘春,吴中朝.浅论艾灸十大温效及临床应用[J].中医杂志,2013,54(10):893-895.
[5]李淑文,李敏,张栋栋.中医“治未病”思想指导下艾灸应用的现状和意义[J].健康前沿,2016,23(7):210.
[6]吴璐一,杨玲,周次利,等.艾灸温度影响因素及与疗效关系研究进展[J].环球中医药,2013,6(4):309-312.
[7]覃志明,林超雄,田新发,等.灸疗器械的现状与前景[A].中国针灸学会年会论文集[C].北京:中国针灸学会,2011.
[8]陈冬,龚秀琴.可调温艾灸盒的研制[J].护理学报,2016,23(15):77-78.
[9]沈翠翠,姜劲峰.新型可控升降除烟艾灸盒的研制及推广[J].上海针灸杂志,2015(3):281-282.
[10]李骥.电子艾灸仪的设计与实现[D].大连:大连海事大学,2013.
[11]洪家平,周炳,高美珍.基于单片机的触摸屏在电子艾灸仪中的应用研究[J].湖北师范学院学报(自然科学版),2016,36(2):13-17.
[12]董新明,王亚军,王鹤云,等.基于C8051F020的智能艾灸仪的设计[J].国际生物医学工程杂志,2015,38(5):9.
[13]胡大可.MSP430系列超低功耗16位单片机原理与应用[M].北京:航空航天大学出版社,2002.
[14]何江南.基于MSP430单片机的低功耗数显温度计的设计[J].科技与创新,2015,(20):102.
[15]程晓芳.数字式温度传感器DS18B20的应用[J].化工设计通讯,2016,(10):100.
[16]杨雪艳,王永霞.艾灸温度与提高艾灸疗效的探讨[A].中国针灸学会临床分会年会暨第二十一次全国针灸临床学术研讨会论文集[C].北京:中国针灸学会,2014.