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)器的原理中學大家都學過,即安培定(ding)律(lv)和法(fa)拉第定(ding)律(lv)。安培定(ding)律(lv)是指振(zhen)蕩(dang)電(dian)場(chang)(chang)產(chan)(chan)生振(zhen)蕩(dang)磁場(chang)(chang),法(fa)拉第定(ding)律(lv)是指振(zhen)蕩(dang)磁場(chang)(chang)產(chan)(chan)生振(zhen)蕩(dang)電(dian)場(chang)(chang),無線(xian)充電(dian)即電(dian)力發射(she)器產(chan)(chan)生的時變磁場(chang)(chang)在適當定(ding)位的電(dian)力接收器中產(chan)(chan)生電(dian)動勢。
使用(yong)車載無線(xian)充(chong)(chong)電(dian)(dian)(dian)器充(chong)(chong)電(dian)(dian)(dian)時,電(dian)(dian)(dian)力發射(she)(she)器通過其線(xian)圈產生交變(bian)(bian)電(dian)(dian)(dian)流(liu),根據(ju)法(fa)拉第(di)定律,交變(bian)(bian)電(dian)(dian)(dian)流(liu)會產生交變(bian)(bian)磁(ci)場,該(gai)磁(ci)場又由(you)電(dian)(dian)(dian)力接收(shou)器內的(de)線(xian)圈拾取(qu)并由(you)功率轉換(huan)器,轉換(huan)回可(ke)用(yong)于對電(dian)(dian)(dian)池充(chong)(chong)電(dian)(dian)(dian)的(de)直流(liu)電(dian)(dian)(dian)流(liu)。該(gai)磁(ci)場有一個特點,那就是可(ke)以(yi)穿過塑料(liao)、玻璃、水、空氣(qi)等任(ren)何非(fei)金屬非(fei)鐵質材(cai)料(liao),因此電(dian)(dian)(dian)力發射(she)(she)器和電(dian)(dian)(dian)力接收(shou)器之間不需要電(dian)(dian)(dian)線(xian)和連接器即可(ke)實現(xian)充(chong)(chong)電(dian)(dian)(dian)功能,這就是無線(xian)車充(chong)(chong)的(de)原理。
二、無線車充的方式有哪些
市面上(shang)主流的(de)(de)車(che)載(zai)無線充電(dian)器的(de)(de)方式(shi)有(you)兩種:
1、前裝車載無線充電器
前裝是指(zhi)汽(qi)車在(zai)(zai)出廠前帶(dai)有無線充電(dian)裝置的(de)方(fang)式,一(yi)般(ban)安裝在(zai)(zai)中央儲物盒(he)、扶手(shou)箱位置,將手(shou)機(ji)放(fang)到充電(dian)裝置上(shang)即可充電(dian)。
汽(qi)車(che)前(qian)裝無(wu)(wu)(wu)線(xian)充(chong)(chong)電技術,來自無(wu)(wu)(wu)線(xian)充(chong)(chong)電方案商(shang)向(xiang)汽(qi)車(che)主機(ji)廠提供的無(wu)(wu)(wu)線(xian)充(chong)(chong)電解(jie)決方案。一個合格的車(che)載前(qian)裝無(wu)(wu)(wu)線(xian)充(chong)(chong)電要求具備基礎的無(wu)(wu)(wu)線(xian)充(chong)(chong)認(ren)證、滿足嚴苛的車(che)規(gui)級硬件標(biao)準,對工作(zuo)溫度范圍、防水防塵等(deng)也有一定的等(deng)級要求。因此期安裝無(wu)(wu)(wu)線(xian)充(chong)(chong)電的廠家并不太多。
2、后裝無線車載充電器
后裝無(wu)線(xian)(xian)車(che)充是指(zhi)原(yuan)車(che)無(wu)無(wu)線(xian)(xian)充電器裝置,在汽(qi)車(che)上(shang)額(e)外加裝一個車(che)載支架等裝置來實現無(wu)線(xian)(xian)充電,通常后裝的無(wu)線(xian)(xian)車(che)充安(an)裝位置不固定,可安(an)裝在空調通風(feng)口、汽(qi)車(che)中控臺等位置,或者借助(zhu)吸(xi)盤吸(xi)附在擋風(feng)玻璃上(shang)。
車載后裝(zhuang)無線充電(dian),由于(yu)并不(bu)(bu)屬于(yu)整車的一部分,不(bu)(bu)受很多車廠強制性認(ren)證(zheng)標準(zhun)的約束(shu),因(yin)此雖然產品可靠(kao)性不(bu)(bu)及前裝(zhuang),但(dan)勝(sheng)在行(xing)業準(zhun)入門(men)檻(jian)低、產品性價比高(gao)。