一、車載無線充電器的弊端有哪些

車載充電是許多車主都有的需求，一些汽車生產廠商在生產汽車時甚至會預安裝車載無線充電器，無線車載充電器雖然(ran)使(shi)用起來比較方便，但是(shi)它也存在一定的弊端：

1、兼容性問題

無(wu)線(xian)充(chong)電(dian)國際標準(zhun)有兩(liang)個(ge)，一個(ge)叫Qi，另(ling)一個(ge)叫rezence，這兩(liang)個(ge)陣(zhen)營(ying)的(de)(de)無(wu)線(xian)充(chong)電(dian)標準(zhun)是(shi)互相(xiang)不(bu)兼(jian)(jian)容的(de)(de)，如(ru)果(guo)要解決兼(jian)(jian)容性問題(ti)，就需要在無(wu)線(xian)充(chong)電(dian)座上把(ba)兩(liang)個(ge)標準(zhun)的(de)(de)技術都(dou)集(ji)成進去(qu)。因此(ci)并(bing)不(bu)是(shi)所有支(zhi)持無(wu)線(xian)充(chong)電(dian)的(de)(de)設備，都(dou)可以在任何一臺搭載(zai)無(wu)線(xian)充(chong)電(dian)技術的(de)(de)車(che)輛上進行充(chong)電(dian)的(de)(de)。

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2、效率問題

無線(xian)(xian)(xian)(xian)充電(dian)(dian)(dian)(dian)受(shou)制于技(ji)術的(de)(de)(de)發展，充電(dian)(dian)(dian)(dian)效率還比較差，因為無線(xian)(xian)(xian)(xian)充電(dian)(dian)(dian)(dian)本身的(de)(de)(de)功率較小，并且(qie)實(shi)際表現(xian)不大穩定。無線(xian)(xian)(xian)(xian)充電(dian)(dian)(dian)(dian)實(shi)際上是(shi)利(li)用(yong)手機(ji)(ji)背板的(de)(de)(de)無線(xian)(xian)(xian)(xian)充電(dian)(dian)(dian)(dian)線(xian)(xian)(xian)(xian)圈來達到的(de)(de)(de)，車(che)載(zai)無線(xian)(xian)(xian)(xian)充電(dian)(dian)(dian)(dian)器為了適配(pei)市面上主流的(de)(de)(de)所有手機(ji)(ji)，會將無線(xian)(xian)(xian)(xian)充電(dian)(dian)(dian)(dian)槽做(zuo)的(de)(de)(de)特別大，相對較小的(de)(de)(de)手機(ji)(ji)在充電(dian)(dian)(dian)(dian)槽里就會滑來滑去，影響了線(xian)(xian)(xian)(xian)圈的(de)(de)(de)對準，降低充電(dian)(dian)(dian)(dian)的(de)(de)(de)效率。

3、電池問題

總所周知，手機電(dian)池的衰減是根(gen)據充(chong)電(dian)的循環(huan)次數(shu)逐步增(zeng)加的，研究(jiu)表(biao)明，無(wu)線充(chong)電(dian)電(dian)池循環(huan)的次數(shu)要遠遠大于有線充(chong)電(dian)，大概比有線充(chong)電(dian)快2.5倍左右，這會導致無(wu)線充(chong)電(dian)的手機電(dian)池衰減更(geng)快，使(shi)用壽命更(geng)短。

4、發熱問題

無(wu)線充電(dian)(dian)過程(cheng)中的(de)發(fa)熱(re)是(shi)避免不了(le)的(de)，因為能(neng)量(liang)(liang)在轉化(hua)時(shi)都會伴隨著損(sun)耗，而(er)此類損(sun)耗通常就是(shi)以熱(re)能(neng)的(de)形(xing)式(shi)散發(fa)。手機無(wu)線充電(dian)(dian)要(yao)(yao)經歷電(dian)(dian)磁之間(jian)的(de)兩(liang)次能(neng)量(liang)(liang)轉化(hua)，所(suo)以其(qi)發(fa)熱(re)量(liang)(liang)要(yao)(yao)比有(you)線充電(dian)(dian)高得(de)多，大概有(you)25%左右都要(yao)(yao)以熱(re)量(liang)(liang)的(de)形(xing)式(shi)散發(fa)掉，這(zhe)也是(shi)充電(dian)(dian)效率低的(de)原(yuan)因之一(yi)。

5、使用沖突

對于(yu)許多(duo)用(yong)Cariplay的(de)朋友(you)來(lai)說，無(wu)線(xian)(xian)(xian)充(chong)電(dian)是比較(jiao)雞(ji)肋(lei)的(de)，因為只(zhi)有(you)少(shao)數的(de)車型支持(chi)(chi)無(wu)線(xian)(xian)(xian)CarPlay，大部(bu)分(fen)車輛使用(yong)CarPlay時(shi)(shi)都需(xu)要有(you)線(xian)(xian)(xian)連接。在有(you)線(xian)(xian)(xian)連接CarPlay時(shi)(shi)，車輛也(ye)會同時(shi)(shi)為手(shou)(shou)機充(chong)電(dian)，由于(yu)手(shou)(shou)機不(bu)支持(chi)(chi)同時(shi)(shi)使用(yong)兩(liang)種充(chong)電(dian)方式(shi)，這也(ye)就意(yi)味著，即便我們插著數據線(xian)(xian)(xian)將手(shou)(shou)機放(fang)置(zhi)到無(wu)線(xian)(xian)(xian)充(chong)電(dian)區(qu)域時(shi)(shi)，無(wu)線(xian)(xian)(xian)充(chong)電(dian)也(ye)是不(bu)起作用(yong)的(de)。

二、車載無線充電器傷手機嗎

無(wu)線(xian)車充(chong)傷手(shou)機(ji)嗎？盡管(guan)車載無(wu)線(xian)充(chong)電(dian)器存在一定的弊端，但(dan)車載無(wu)線(xian)充(chong)電(dian)器對手(shou)機(ji)的傷害是并不大(da)的，正常(chang)情況下(xia)基本沒什么影響，因為(wei)車載無(wu)線(xian)充(chong)電(dian)器的工作頻率基本在1M以下(xia)，所以對手(shou)機(ji)的信號不會(hui)有影響。

并(bing)且無線(xian)充電(dian)(dian)器主(zhu)要采用的是(shi)(shi)電(dian)(dian)感耦合技術，因為(wei)耦合技術，主(zhu)要通過(guo)的是(shi)(shi)線(xian)圈(quan)的磁場(chang)產生電(dian)(dian)流(liu)，電(dian)(dian)池內(nei)部(bu)成分本(ben)身(shen)不能構成磁場(chang)，所以在通電(dian)(dian)過(guo)程中就不會損(sun)害到電(dian)(dian)池的內(nei)部(bu)結構。

總的來說，正規廠家生產的無線車載充電器內置有(you)諸多(duo)保(bao)護功(gong)能，其(qi)對于手機的損傷是(shi)幾(ji)乎可以忽略不(bu)計的，大家可以放心(xin)使用。