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開全天和開半天?實測告訴你夏天怎么開空調省電

分類:科技智慧 瀏覽數:20 2019-07-05 18:07 N軟網 編輯: 厚學

空調可以說是夏季必備的解暑神器,按照現代人的習慣,沒有空調的夏天可以說是一個不完整的夏天。不過不得不說爽完之后,回頭看看賬單還真挺讓人肉疼的,畢竟夏天隨隨便便開開空調一個月都是幾百元的電費。

尤其是像父母這一輩的人群,勤儉節約慣了,夏季只要不是太熱都不會開空調,或者一天的空調開一個小時,停一個小時,認為這樣只要花費一半的電費就可以了。但現實情況是這樣的嗎?


測試的小1P空調

我們通過空調的功耗記錄來看看空調運行過程中的耗電量是如何變化的。此次筆者測試的是家中一臺定頻的格力小1P空調,雖然制冷量不高,但應用在15平米的臥室還是完全足夠的,快十年的制冷的效果和舒適度還是非常的好。

穩定后功率在500W左右,開機前迅速制冷功率會較高

由此推算出,空調每次開啟后都會以大功率運行迅速降低室溫,然后根據室溫的變化再自行調節功率,如果反復開啟的話,空調會多次以大功率進行運行,這樣的結果不但不省電反而更費電,但經過實測發現,由于功率不停的變動,實際上雖然一直開啟耗電更大,但從大功率的持續時間上來看,耗電差異理論值不會特別大,下次有機會也給大家實測下長時間開啟和長時間反復開啟的實際耗電量。

那么夏季家里該如何科學的開空調呢?

首先是空調預設溫度的調節,因為空調開得越低空調就會拼命的向預設溫度制冷,這樣的結果就是空調會一直以較大的功率運行,尤其是一些小馬拉大車的情況,小P數空調在較大的室內空間下,很難達到超低的室溫,所以只能全速高負荷運行,這樣耗電是可想而知的!

調節合適的空調溫度?

網絡上一般大家都推薦26℃,這根國家強制規定公共區域夏季空調溫度不得低于26℃有關,這個溫度適合家用嗎?如果不是特別熱的情況下,這個溫度適合維持室內溫度。根據科學研究表明當環境條件為溫度25℃,相對濕度50%,氣流速度0.15米/秒時,人體處于最正常最理想的熱平衡狀態,也就是說,感覺最為舒適,反應最為良好。但人體所感覺到的有效溫度,比室內空氣的溫度要相應略低一些,一般約低1~2℃,即空調的送風溫度雖然略為高一些,但是,人體實際所感覺到的溫度并沒有那么高。因此,空調的控制溫度調整到26℃左右相對來說還是比較適宜的。

不過26℃并不是萬能溫度,如果自己體感溫度過熱或者過冷可根據自身情況適當調低或者調高溫度,找到最適合自己的溫度,比相信參數更重要。不過,空調的溫度不宜設置過低,根據相關研究數據顯示,空調每低1℃就會增加10%的耗電量,同時低于22℃以上的溫度,長期吹容易的空調病。

其次控制開關機頻率,不要頻繁開關機,如果每次開關機間隔時間低于2小時,且每次使用時間較短時,那么當你開啟空調時你的空調每次都會以大功率進行運轉,起不到省電的效果,如果想節省電費不想空調一直高功率運轉,可以適當的調高溫度,當室內氣溫上升時,再進行調低的操作,這樣的耗電量其實是比直接開關要更省電的。

控制開關頻率可以有效的節省電量

最后,少開窗、配備遮陽簾、保持房屋密封性,有人覺得開窗開空調更健康,沒錯!但開窗開空調其實就相當于你的空調在給室內外進行雙重制冷,這樣熱氣不斷的循環到室內,室內氣溫持續不降,空調也會持續工作。其次,如果是高層落地窗采光非常好,配備遮陽簾,避免過多的光熱,也能更好的保持較低的室溫,減少空調的能耗。另外最重要的就是房屋的密閉性和保溫性一定要好,這樣讓空調可以以最少的能耗將室溫降低到目標值,同時能維持較長時間的低溫,降低空調高功耗工作時間和頻次。

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