摘 要
在圖書館的門上安置一個光電可逆計數器,記錄在圖書館內的人數,進一個人計數器加一,出一個人減一,當人數為0的時候,電燈在任何情況下都不會被點亮。2,在窗口附近,安裝一個亮度傳感器,測自然光亮度。當人數大與0時,如果室內光照達到預先設置的值(晴朗的白天),室內的燈全滅。當室內光強達不到預先設置的值時(夜晚或陰天),判斷人數,亮燈個數=基數+變數。本系統通過判斷人的進出情況,把自習室當前的人數同過LED數碼管動態顯示出來。并綜合人數和室內亮度判斷亮燈的情況。
學校圖書館的圖書館,自習室以及書庫等地是出入人數較多的地方。因此,這些地方的燈光照明幾乎是從上班開始直到下班為止,不管這些地方是否有人,也不管有多少人。當日照滿足照明度要求時,把燈熄滅,一旦自然光照度難以滿足人的需要時,不能及時打開燈光,給人的視力帶來損害。顯然這種照明方式,從照明的角度上來說是非節能的;從人的角度來看,根本不能滿足人的基本的照明要求。科技以人為本,從人的需求出發:即在有人活動的地方必須有足夠的照度(無論是日照還是人工照度);沒有人的區域,應該熄滅燈光,以節約能源。
關鍵詞:校園智能照明系統 光控燈 光電可逆計數 LED顯示屏
Abstract:
Places an electro-optical reversible counter in the library gate, records in the library the population, enters a person counter to add one, has a person to reduce one, when the population is 0 time, the electric lamp will not be lightened in any situation. 2nd, nearby the window, installs a brightness sensor, measures the natural radiance. When population greatly with 0, if the indoor illumination achieves the value which establishes in advance (sunny daytime), the indoor lamp all extinguishes. When the indoor luminous intensity cannot achieve when the value which establishes in advance (night or cloudy day), the judgment population, turns on a light the integer = cardinal number + variable. This system through assesses person's turnover situation, dynamic has demonstrated the independent-study hall current population with the LED nixietube. And synthesizes the situation which the population and the ambient brightness judgment turn on a light. School library's library, places such as independent-study hall as well as book stacks come in and go out population many places. Therefore, these place's light illumination is nearly from goes to work starts until getting off work, no matter these places whether to have the human, also, no matter some how many people. The same day according to when satisfies the illuminance request, lamp extinguishment, once the natural illuminance meets time with difficulty person's needs, cannot open the light promptly, brings the harm for person's vision. Obviously this illumination way, from the illumination angle the right and wrong energy conservation; Looking from person's angle, simply cannot satisfy person's basic illumination request. The science and technology is humanist, embarks from person's demand: Namely the place which moves in some people must have the enough degree of illumination (, regardless of being sunshine or artificial degree of illumination); Nobody's region, should extinguish the light, by saves the energy.
key word: The campus intelligence lighting system light controls the lamp electro-optic to count reversiblily the LED display monitor