基于人體生理參數(shù)的清醒和睡眠狀態(tài)的熱舒適研究
本文選題:熱舒適 + 睡眠; 參考:《上海交通大學》2012年博士論文
【摘要】:熱舒適評價通常采用的是主觀調(diào)查方法,該方法較為簡便可靠,,但其評價結(jié)果受人的主觀因素影響較大。因此考慮引入生理參數(shù)作為評價指標,生理參數(shù)可以客觀反映人體發(fā)生的變化,不受主觀因素影響。另外,現(xiàn)在的生理參數(shù)測量儀器小巧簡便,戴在身上對受試者的主任務(wù)和心情幾乎沒有影響。本文采用主觀問卷和生理參數(shù)測量相結(jié)合的方法對受試者的舒適感進行評價,該方法不僅得到生理參數(shù)評價的敏感性和可靠性,還試圖找出人體舒適或者不舒適產(chǎn)生的機理。 研究分為清醒和睡眠兩部分。清醒狀態(tài)的研究主要是采用正交實驗,對不同的溫度、相對濕度、新風量和光環(huán)境下的生理參數(shù)進行研究,各環(huán)境參數(shù)水平為:20°C、25°C、30°C;30%、50%、80%;100m~3/h、350m~3/h、600m~3/h;50lux、300lux、3000lux。對聲環(huán)境單獨進行了研究。采用的生理參數(shù)包括:心電(心率和心率變異性)、血氧飽和度、皮膚電阻、指尖血流量、呼吸率和指尖脈搏。主觀問卷包括環(huán)境的舒適評價問卷以及病態(tài)建筑綜合癥調(diào)查。睡眠實驗在夏季和冬季進行,改變室內(nèi)溫度,夏季選取23°C、26°C、30°C,冬季選取17°C、20°C、23°C。所采用的生理參數(shù)包括:腦電、心電(心率和心率變異性)、血氧飽和度、皮膚電阻、指尖血流量和皮膚溫度。主觀問卷為熱舒適問卷以及睡眠質(zhì)量問卷。清醒和睡眠實驗過程中的生理參數(shù)測量持續(xù)整個測試階段,主觀問卷均在生理測試結(jié)束后進行。 研究結(jié)果表明:(1)不同的生理參數(shù)可評價不同的環(huán)境;心率變異性和血氧飽和濃度可評價熱濕環(huán)境;呼吸率可評價新風量;指尖血流量和皮膚電導可結(jié)合評價光環(huán)境;心率變異性、指尖血流量和呼吸率可結(jié)合評價聲環(huán)境。(2)清醒狀態(tài)下,可采用生理參數(shù)準確評價熱舒適和熱感覺;心率變異性,心率和呼吸率用來評價熱舒適;血氧飽和度,皮膚電和指間血流量可評價熱感覺。(3)本研究的舒適清醒環(huán)境:溫度25°C、濕度50%、新風量600m~3/h和照度3000lux,表現(xiàn)為主觀評價水平最高。本研究的舒適的睡眠環(huán)境溫度:冬季工況23°C,夏季工況26°C,表現(xiàn)為睡眠質(zhì)量主觀評價最高,腦電δ波的能量比例最高,慢波睡眠時間最長,入睡潛時最短。(4)主觀問卷和生理指標結(jié)合來評價睡眠質(zhì)量是可靠的。其中,腦電最敏感,心率、心率變異性以及呼吸率可作為輔助參數(shù)。睡眠溫度水平使用血氧飽和度、指尖血流量和皮膚溫度來評價。清醒熱舒適的評價指標和睡眠熱舒適指標基本一致。(5)睡眠質(zhì)量和舒適溫度存在性別差異。男性的舒適睡眠溫度低于女性。女性對稍冷的睡眠溫度更加敏感,但是稍暖的溫度對于男性來說更加難以忍受。該現(xiàn)象可通過實驗測得指尖血流量、平均皮膚溫度和指尖溫度來解釋。(6)清醒和睡眠熱舒適評價存在差異。清醒狀態(tài)的舒適環(huán)境溫度要低于舒適的睡眠環(huán)境溫度;醒來之后對同樣的溫度的熱感覺評價要低于睡眠之前的熱感覺評價。(7)醒來后對同樣環(huán)境溫度的熱感覺評價比睡前冷。夏季醒來后,對環(huán)境熱感覺評價的降低比冬季更明顯。
[Abstract]:Thermal comfort evaluation is a commonly used subjective survey methods, the method is simple and reliable, but the impact of its evaluation results by subjective factors greatly. Therefore considering the introduction of physiological parameters as evaluation index, physiological parameters can reflect the change of human body, not affected by subjective factors. In addition, now the small and simple physiological parameters measuring instrument the main task, worn on the body and mood of subjects almost no effect. This method of subjective questionnaire and physiological parameters measurement combining subjects for comfort evaluation, this method not only to physiological parameters to evaluate the sensitivity and reliability, also tries to find out the mechanism of human comfort or discomfort generated.
The research is divided into two parts. Awake awake and sleep research is mainly using orthogonal experiment, relative humidity of different temperature, studied physiological parameters of fresh air and light environment, the environment parameters were 20 ~ C, 25 ~ C, 30 ~ C; 30%, 50%, 80%; 100m~3/h 350m~3/h, 600m~3/h, 50Lux, 300lux, 3000lux.; the acoustic environment alone were studied. The physiological parameters include: ECG (heart rate and heart rate variability), oxygen saturation, skin resistance, fingertip blood flow, respiratory rate and fingertip pulse. The questionnaire including environmental comfort evaluation and questionnaire survey. The sick building syndrome sleep experiments were carried out in summer and winter, the change of indoor temperature in summer from 23 ~ C, 26 ~ C, 30 ~ C, the winter from 17 ~ C, 20 ~ C, 23 ~ C. of physiological parameters including: the EEG, ECG (heart rate and heart rate variability), oxygen saturation, skin resistance, finger The subjective questionnaire was the thermal comfort questionnaire and the sleep quality questionnaire. The physiological parameters during wakefulness and sleep test lasted for the whole test stage, and the subjective questionnaire was conducted at the end of the physiological test.
The results show that: (1) can be used to evaluate different environmental physiological parameters; heart rate variability and oxygen saturation evaluation of thermal environment; respiratory rate evaluation of fresh air volume; fingertip blood flow and skin conductance can be combined with the evaluation of light environment; heart rate variability, fingertip blood flow volume and respiratory rate can be combined with the evaluation of sound environment. (2) under the sober condition, physiological parameters can be used to evaluate the thermal comfort and thermal sensation; heart rate variability, heart rate and respiration rate is used to evaluate the thermal comfort; oxygen saturation, SC and FBF can evaluate thermal sensation. (3) the study of the comfortable sober environment: temperature 25 C, humidity 50%. Fresh air volume 600m~3/h and intensity of 3000lux and showed the highest level of subjective evaluation. In this study, the comfortable sleep environment temperature in winter condition: 23 ~ C, 26 ~ C in summer conditions, performance for the subjective assessment of sleep quality of the highest energy of EEG delta wave The highest proportion of slow wave sleep time, sleep latency was the shortest. (4) the subjective questionnaire and physiological indexes to evaluate the combined sleep quality is reliable. Among them, the most sensitive EEG, heart rate, respiratory rate and heart rate variability can be used as auxiliary parameters. The sleep temperature level using blood oxygen saturation, blood flow and fingertips the skin temperature to evaluate the thermal comfort evaluation index. Awake and sleep thermal comfort index is basically the same. (5) there is a gender difference in sleep quality and comfortable temperature. Comfortable sleep temperature of male is lower than that of women. Women are more sensitive to the temperature slightly cold sleep, but a little warm temperature for men. This phenomenon can be more difficult to endure through measuring the fingertip blood flow, mean skin temperature and finger temperature to explain. (6) there are awake and sleep evaluation of thermal comfort and comfortable environment temperature difference. The waking state is lower than the temperature comfortable sleep environment The thermal sensation of the same temperature after waking up is lower than that before sleep. (7) after waking up, the thermal sensation of the same ambient temperature is lower than that before sleep. After summer, the evaluation of the environmental thermal sensation is more obvious than that of winter.
【學位授予單位】:上海交通大學
【學位級別】:博士
【學位授予年份】:2012
【分類號】:R338
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