一、車載無線充電器原理是什么
車載無線充電器不需要數據線,充電時只需要將手機放在充電座上即可,隨用隨取,十分方便,那么無線車載充電器什么原理呢?
車載無線(xian)充電(dian)器(qi)的(de)原理中(zhong)學(xue)大家都學(xue)過,即(ji)安培定(ding)律和(he)法(fa)拉第定(ding)律。安培定(ding)律是指(zhi)振(zhen)蕩電(dian)場產生(sheng)振(zhen)蕩磁場,法(fa)拉第定(ding)律是指(zhi)振(zhen)蕩磁場產生(sheng)振(zhen)蕩電(dian)場,無線(xian)充電(dian)即(ji)電(dian)力發射器(qi)產生(sheng)的(de)時變磁場在適當定(ding)位的(de)電(dian)力接收(shou)器(qi)中(zhong)產生(sheng)電(dian)動勢。
使用(yong)車(che)載無線(xian)充電(dian)(dian)器(qi)(qi)充電(dian)(dian)時,電(dian)(dian)力(li)發(fa)射(she)器(qi)(qi)通過其(qi)線(xian)圈產(chan)生交變(bian)電(dian)(dian)流(liu)(liu)(liu),根據法(fa)拉第(di)定律,交變(bian)電(dian)(dian)流(liu)(liu)(liu)會(hui)產(chan)生交變(bian)磁(ci)場(chang),該(gai)磁(ci)場(chang)又(you)由電(dian)(dian)力(li)接收器(qi)(qi)內(nei)的線(xian)圈拾取并由功率轉換器(qi)(qi),轉換回可用(yong)于對電(dian)(dian)池(chi)充電(dian)(dian)的直流(liu)(liu)(liu)電(dian)(dian)流(liu)(liu)(liu)。該(gai)磁(ci)場(chang)有一個特點,那就是(shi)可以穿(chuan)過塑料、玻(bo)璃、水、空氣等任何非(fei)(fei)金屬非(fei)(fei)鐵(tie)質材料,因(yin)此電(dian)(dian)力(li)發(fa)射(she)器(qi)(qi)和電(dian)(dian)力(li)接收器(qi)(qi)之間(jian)不需要電(dian)(dian)線(xian)和連接器(qi)(qi)即可實現充電(dian)(dian)功能,這就是(shi)無線(xian)車(che)充的原理。
二、無線車充的方式有哪些
市面(mian)上主流的車載無線充電器的方(fang)式有兩種:
1、前裝車載無線充電器
前(qian)裝(zhuang)(zhuang)是指(zhi)汽車(che)在(zai)出廠前(qian)帶有無線充(chong)(chong)電(dian)裝(zhuang)(zhuang)置(zhi)的方式,一般安裝(zhuang)(zhuang)在(zai)中央儲物盒(he)、扶手箱位置(zhi),將手機放到充(chong)(chong)電(dian)裝(zhuang)(zhuang)置(zhi)上(shang)即(ji)可充(chong)(chong)電(dian)。
汽車(che)前(qian)(qian)裝(zhuang)無(wu)(wu)線(xian)充(chong)(chong)電(dian)技(ji)術,來自無(wu)(wu)線(xian)充(chong)(chong)電(dian)方(fang)案商(shang)向(xiang)汽車(che)主機廠提供(gong)的無(wu)(wu)線(xian)充(chong)(chong)電(dian)解(jie)決(jue)方(fang)案。一個合格(ge)的車(che)載前(qian)(qian)裝(zhuang)無(wu)(wu)線(xian)充(chong)(chong)電(dian)要(yao)(yao)求(qiu)(qiu)具備基礎的無(wu)(wu)線(xian)充(chong)(chong)認證(zheng)、滿足嚴苛(ke)的車(che)規級硬件標準(zhun),對(dui)工作溫度范(fan)圍、防水防塵等也(ye)有一定的等級要(yao)(yao)求(qiu)(qiu)。因此(ci)期安裝(zhuang)無(wu)(wu)線(xian)充(chong)(chong)電(dian)的廠家并不太多。
2、后裝無線車載充電器
后裝(zhuang)無線車(che)充是指(zhi)原車(che)無無線充電(dian)器裝(zhuang)置(zhi),在(zai)汽(qi)(qi)車(che)上(shang)(shang)額(e)外加裝(zhuang)一(yi)個車(che)載(zai)支架等(deng)裝(zhuang)置(zhi)來實現無線充電(dian),通常后裝(zhuang)的無線車(che)充安裝(zhuang)位置(zhi)不固定,可安裝(zhuang)在(zai)空調通風(feng)(feng)口、汽(qi)(qi)車(che)中(zhong)控臺(tai)等(deng)位置(zhi),或者(zhe)借助吸(xi)盤吸(xi)附在(zai)擋風(feng)(feng)玻(bo)璃(li)上(shang)(shang)。
車(che)(che)載(zai)后裝(zhuang)無線充電,由于(yu)并不屬于(yu)整車(che)(che)的一部分,不受很多(duo)車(che)(che)廠強(qiang)制性認證(zheng)標(biao)準(zhun)的約(yue)束(shu),因此雖然(ran)產(chan)品可靠性不及前裝(zhuang),但勝在行業準(zhun)入門檻(jian)低、產(chan)品性價比高。