提示您未來變頻發展的趨勢與前景
    雖然在中國，變頻空調由于種種原因，還沒有發展成熟，但據權威數據調查，目前在日本和歐美等國變頻空調已經成為空調行業的技術平臺，98%左右的空調均為變頻空調。
以目前的國家宏觀調控以及空調廠商等方面看來，今后中國的變頻空調必然成為一種趨勢。
“變頻空調”采用了比較先進的技術，啟動時電壓較小，可在低電壓和低溫條件下啟動，這對于某些地區由于電壓不穩或冬天室外溫度較低而空調難以啟動的情況，有一定的改善作用。由于實現了壓縮機的無級變速，它也可以適應更大面積的制熱要求。不過，“變頻空調”的價位通常較“定頻空調”高出幾百元。根據目前的變頻技術的發展主要表現在以下兩個方面：
（1）機的驅動方式——從交流變頻到直流調速；
（2）制技術——VVVF變頻技術，PWM脈寬調速控制技術，矢量控制技術。變頻技術的優點：（1）或制熱速度快（2）較好的舒適性。
（3）變(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)頻(pin)(pin)(pin)(pin)(pin)(pin)空(kong)(kong)(kong)調(diao)(diao)(diao)(diao)啟動(dong)時對電(dian)(dian)路沒有(you)(you)(you)大、的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)電(dian)(dian)流(liu)(liu)(liu)沖(chong)擊(ji)。變(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)頻(pin)(pin)(pin)(pin)(pin)(pin)空(kong)(kong)(kong)調(diao)(diao)(diao)(diao)通(tong)過(guo)(guo)采用(yong)(yong)變(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)頻(pin)(pin)(pin)(pin)(pin)(pin)技術(shu)來實(shi)現(xian)(xian)調(diao)(diao)(diao)(diao)節(jie)(jie)壓(ya)(ya)(ya)(ya)(ya)縮(suo)機(ji)(ji)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)轉(zhuan)速，依靠壓(ya)(ya)(ya)(ya)(ya)縮(suo)機(ji)(ji)轉(zhuan)速的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)快慢變(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)化來控(kong)制(zhi)(zhi)輸出功(gong)率（即(ji)制(zhi)(zhi)冷制(zhi)(zhi)熱(re)量）的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)大小(xiao)，從而(er)(er)達(da)到(dao)控(kong)制(zhi)(zhi)室溫的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)目的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)。分(fen)為(wei)交流(liu)(liu)(liu)變(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)頻(pin)(pin)(pin)(pin)(pin)(pin)和直流(liu)(liu)(liu)變(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)頻(pin)(pin)(pin)(pin)(pin)(pin)。交流(liu)(liu)(liu)變(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)頻(pin)(pin)(pin)(pin)(pin)(pin)：采用(yong)(yong)交流(liu)(liu)(liu)變(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)頻(pin)(pin)(pin)(pin)(pin)(pin)壓(ya)(ya)(ya)(ya)(ya)縮(suo)機(ji)(ji)，2次調(diao)(diao)(diao)(diao)節(jie)(jie)電(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)轉(zhuan)換(huan)，從而(er)(er)達(da)到(dao)省電(dian)(dian)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)目的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)。直流(liu)(liu)(liu)變(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)頻(pin)(pin)(pin)(pin)(pin)(pin)：采用(yong)(yong)直流(liu)(liu)(liu)數字變(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)轉(zhuan)速壓(ya)(ya)(ya)(ya)(ya)縮(suo)機(ji)(ji)，只經過(guo)(guo)一次電(dian)(dian)壓(ya)(ya)(ya)(ya)(ya)轉(zhuan)換(huan)，相對于(yu)(yu)交流(liu)(liu)(liu)變(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)頻(pin)(pin)(pin)(pin)(pin)(pin)能(neng)(neng)(neng)節(jie)(jie)省18-40%的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)電(dian)(dian)能(neng)(neng)(neng)，從而(er)(er)體(ti)現(xian)(xian)出直流(liu)(liu)(liu)變(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)頻(pin)(pin)(pin)(pin)(pin)(pin)技術(shu)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)優(you)越性。變(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)頻(pin)(pin)(pin)(pin)(pin)(pin)空(kong)(kong)(kong)調(diao)(diao)(diao)(diao)為(wei)實(shi)現(xian)(xian)其(qi)(qi)功(gong)能(neng)(neng)(neng)在(zai)定頻(pin)(pin)(pin)(pin)(pin)(pin)空(kong)(kong)(kong)調(diao)(diao)(diao)(diao)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)原理的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)基礎上，換(huan)裝(zhuang)了變(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)頻(pin)(pin)(pin)(pin)(pin)(pin)壓(ya)(ya)(ya)(ya)(ya)縮(suo)機(ji)(ji)，加裝(zhuang)了變(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)頻(pin)(pin)(pin)(pin)(pin)(pin)控(kong)制(zhi)(zhi)器(qi)(qi)系統，并將毛(mao)細管換(huan)為(wei)電(dian)(dian)子(zi)膨(peng)脹閥。輔件(jian)(jian)部分(fen)是(shi)(shi)：除霜閥，雙毛(mao)細管。但目前變(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)頻(pin)(pin)(pin)(pin)(pin)(pin)空(kong)(kong)(kong)調(diao)(diao)(diao)(diao)容(rong)(rong)易產生(sheng)以(yi)(yi)次代(dai)優(you)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)情況出現(xian)(xian)，即(ji)用(yong)(yong)低(di)(di)價(jia)(jia)構(gou)(gou)件(jian)(jian)代(dai)替進口優(you)質構(gou)(gou)件(jian)(jian)。由于(yu)(yu)其(qi)(qi)主(zhu)(zhu)要部件(jian)(jian)成本高(gao)(gao)，銷售價(jia)(jia)格過(guo)(guo)高(gao)(gao)，所以(yi)(yi)導(dao)致(zhi)維(wei)修時成本也居高(gao)(gao)不下。變(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)頻(pin)(pin)(pin)(pin)(pin)(pin)空(kong)(kong)(kong)調(diao)(diao)(diao)(diao)由于(yu)(yu)電(dian)(dian)路系統比定頻(pin)(pin)(pin)(pin)(pin)(pin)復雜，在(zai)使用(yong)(yong)時系統可靠性比定頻(pin)(pin)(pin)(pin)(pin)(pin)空(kong)(kong)(kong)調(diao)(diao)(diao)(diao)低(di)(di)、比定頻(pin)(pin)(pin)(pin)(pin)(pin)機(ji)(ji)容(rong)(rong)易出故障：維(wei)修難度大，費用(yong)(yong)高(gao)(gao)。在(zai)調(diao)(diao)(diao)(diao)速過(guo)(guo)程中產生(sheng)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)高(gao)(gao)頻(pin)(pin)(pin)(pin)(pin)(pin)電(dian)(dian)磁(ci)波比定速空(kong)(kong)(kong)調(diao)(diao)(diao)(diao)高(gao)(gao)，對人體(ti)有(you)(you)(you)害，長期受此影(ying)響(xiang)會導(dao)致(zhi)腦癌的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)發生(sheng)率高(gao)(gao)于(yu)(yu)常人。變(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)頻(pin)(pin)(pin)(pin)(pin)(pin)空(kong)(kong)(kong)調(diao)(diao)(diao)(diao)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)室外機(ji)(ji)有(you)(you)(you)微電(dian)(dian)腦控(kong)制(zhi)(zhi)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)變(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)頻(pin)(pin)(pin)(pin)(pin)(pin)器(qi)(qi)，其(qi)(qi)印刷電(dian)(dian)路板(ban)在(zai)高(gao)(gao)溫及(ji)潮濕的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)情況下較容(rong)(rong)易損壞。變(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)頻(pin)(pin)(pin)(pin)(pin)(pin)空(kong)(kong)(kong)調(diao)(diao)(diao)(diao)通(tong)常是(shi)(shi)高(gao)(gao)端空(kong)(kong)(kong)調(diao)(diao)(diao)(diao)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)代(dai)名詞，但現(xian)(xian)在(zai)市面上出現(xian)(xian)了很多低(di)(di)價(jia)(jia)變(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)頻(pin)(pin)(pin)(pin)(pin)(pin)空(kong)(kong)(kong)調(diao)(diao)(diao)(diao)，低(di)(di)價(jia)(jia)變(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)頻(pin)(pin)(pin)(pin)(pin)(pin)空(kong)(kong)(kong)調(diao)(diao)(diao)(diao)的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)缺陷在(zai)哪些方面？主(zhu)(zhu)要是(shi)(shi)偷工減料，如：購買國產的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)低(di)(di)價(jia)(jia)變(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)頻(pin)(pin)(pin)(pin)(pin)(pin)壓(ya)(ya)(ya)(ya)(ya)縮(suo)機(ji)(ji)取代(dai)優(you)質變(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)頻(pin)(pin)(pin)(pin)(pin)(pin)壓(ya)(ya)(ya)(ya)(ya)縮(suo)機(ji)(ji)。用(yong)(yong)毛(mao)細管代(dai)替電(dian)(dian)子(zi)膨(peng)脹閥來獲得高(gao)(gao)額利潤。是(shi)(shi)把小(xiao)匹數變(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)頻(pin)(pin)(pin)(pin)(pin)(pin)壓(ya)(ya)(ya)(ya)(ya)縮(suo)機(ji)(ji)用(yong)(yong)于(yu)(yu)大匹數功(gong)率的(de)(de)(de)(de)(de)(de)(de)(de)(de)(de)機(ji)(ji)器(qi)(qi)上。生(sheng)產單冷變(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)(bian)頻(pin)(pin)(pin)(pin)(pin)(pin)機(ji)(ji)，減少使用(yong)(yong)四(si)通(tong)閥來提高(gao)(gao)利潤。

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