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拆解报告:雅迪480W石墨烯电池专用充电器

2023-04-10 充电头网 阅读:
最近充电头网拿到了一款雅迪石墨烯电池专用充电器,额定功率达到480W,比起一般的电动车充电器,功率确实拉开不少。那么作为专用充电器,其是如何设计的呢?带着这一好奇,下面一起来看看产品的拆解。
前言

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雅迪作为电动车行业的的头部品牌,近年来推出的石墨烯电池引起不少人的关注,支持大电流充电,号称1小时便能充电80%。1小时快充,便能续航50公里。AEwednc

 AEwednc

最近充电头网拿到了一款雅迪石墨烯电池专用充电器,额定功率达到480W,比起一般的电动车充电器,功率确实拉开不少。那么作为专用充电器,其是如何设计的呢?带着这一好奇,下面一起来看看产品的拆解。AEwednc

 AEwednc

雅迪石墨烯电池充电器开箱AEwednc

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这款充电器包装盒正面为雅迪品牌Logo,左上角标有其输出规格48V20Ah(10A)。AEwednc

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包装盒顶部则为产品名称、监制、产品制造商、提示语等信息。AEwednc

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包装盒侧面为产品输入电压、工作环境温度、工作环境湿度、充电方式、插头形式等相关信息。AEwednc

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打开包装盒,可以看到里面包含了产品说明书和充电器。AEwednc

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充电器外观为传统的长方体结构,和此前拆解的其它电动车充电器相比,个头大不少。机身外壳采用PC防火材质,顶面设计有矩形排列的圆凹槽,此外贴有名称和规格标签。AEwednc

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机身顶面还设有充电指示灯。AEwednc

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下方是指示灯状态说明,直接设计在壳体上,可以长期给用户提示。AEwednc

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机身一端设有散热风扇,外壳开孔设计成圆形窗口。AEwednc

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另一端同样设计有散热孔,不过外壳错落式设计,开孔在凹槽内两侧,非直通可以起到一定防尘作用。AEwednc

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充电器背面为产品《使用须知》以及产品参数。AEwednc

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产品详细参数:AEwednc

产品名称:48V20Ah石墨烯电池充电器AEwednc

型号:DZM482002(快充)AEwednc

输入:AC220V 50Hz 590WAEwednc

输出:DC48V(58.8V) 10AAEwednc

监制:雅迪科技集团有限公司AEwednc

制作商:浙江聚源电子有限公司AEwednc

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机身壳采用十字螺丝封装固定。AEwednc

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输入端插头特写。AEwednc

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输出端插头特写。AEwednc

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测得输入线缆长约为152cm。AEwednc

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使用游标卡尺测得充电器长200.55mm。AEwednc

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宽度105.15mm。AEwednc

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厚度为66.55mm。AEwednc

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输出线缆长度约为61cm。AEwednc

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另外测得充电器总重约为1005g。AEwednc

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雅迪石墨烯电池充电器拆解AEwednc

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看完了雅迪这款石墨烯电池充电器的外观,下面就进行拆解,一起看看内部的用料和设计。AEwednc

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首先拧开四颗固定螺丝,拆开充电器外壳。AEwednc

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外壳内部对应指示灯的位置固定导光柱,用于电池充电状态指示。AEwednc

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取出电源内部PCBA模块和散热风扇。AEwednc

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风扇导线通过连接器连接到PCBA模块上。AEwednc

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散热风扇来自晨日电子,为6020尺寸,规格为12V 0.15A。AEwednc

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输入导线直接焊接连接到PCBA模块。AEwednc

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输出导线同样为直接焊接连接。AEwednc

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其中初次级各设有一片散热片,通过风扇进行散热。AEwednc

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为保证良好的散热效果,散热片并未紧靠外壳放置,而是留有一定空隙。AEwednc

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整流管与散热片之间使用硅胶片绝缘。AEwednc

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PCBA模块正面一览,其中左侧为初级侧,焊接保险丝,NTC热敏电阻,整流桥,高压滤波电容,开关管,谐振电感,谐振电容和变压器。在黑线右侧是次级侧,焊接整流二极管,滤波电容等元件。AEwednc

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PCBA模块背面焊接初级主控芯片,初次级之间焊接反馈光耦,次级焊接运放芯片和MCU芯片。通过对PCBA模块的观察发现,雅迪这款充电器采用LLC开关电源架构,肖特基二极管整流,输出电压通过MCU通过光耦反馈进行控制。下面我们就从输入端开始了解这款充电器的用料。AEwednc

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充电器输入端一览,焊接保险丝,安规X2电容,NTC热敏电阻,整流桥和高压滤波电容。AEwednc

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输入端保险丝规格为10A 250V。AEwednc

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绿色NTC热敏电阻来自久尹,规格为20S2R0M,用于抑制充电器插电时的浪涌电流。AEwednc

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安规X2电容规格为0.22μF。AEwednc

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侧面依次焊接可控硅,整流管,LLC开关管和整流桥。AEwednc

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整流桥来自PY平伟,型号KBJ1010,规格为10A 1000V。AEwednc

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高压滤波电容规格为400V 680μF。AEwednc

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主控芯片来自NXP恩智浦,型号TEA19161T,是一颗全数字控制的高效率LLC控制器,内部集成高压启动,集成高压驱动器,内部集成软启动,最高工作频率达500kHz,可在全负载范围内提供高转换效率,并具有极低的待机功耗。AEwednc

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LLC开关管来自华瑞微,型号HRM60R096FF,是一颗耐压600V的超结NMOS,导阻为82mΩ,采用TO220F封装。AEwednc

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另一颗开关管型号相同,两颗组成半桥。AEwednc

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另一侧焊接谐振电容,谐振电感和变压器,元件之间打胶固定。AEwednc

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变压器采用EC42磁芯,标注48V 10A规格。AEwednc

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谐振电感采用PQ3225磁芯,采用利兹线绕制。AEwednc

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谐振电容规格为0.15μF 630V。AEwednc

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PC817光耦用于输出电压反馈调节。AEwednc

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蓝色插件Y电容特写。AEwednc

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热敏二极管用于检测充电器内部温升。AEwednc

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另一颗蓝色Y电容特写。AEwednc

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整流二极管来自PY平伟,丝印PS30U300YCT,采用TO247封装。AEwednc

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其中一颗输出滤波电容规格为120V680μF。AEwednc

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另一颗规格为100V470μF。AEwednc

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324 4运放用于反馈控制。AEwednc

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一颗无标的MCU芯片用于充电控制。AEwednc

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为MCU供电的78L05稳压IC。AEwednc

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78D12稳压IC为运放芯片供电。AEwednc

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10mΩ贴片电阻用于输出电流检测。AEwednc

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BT153X单向可控硅用于输出防反接保护。AEwednc

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预留的连接插座。AEwednc

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双色LED充电指示灯特写。AEwednc

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全部拆解一览,来张全家福。AEwednc

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充电头网拆解总结AEwednc

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雅迪这款充电器输出电压为58.8V,输出电流为10A,支持为14串锂电池充电。充电器自带1.5米输入线,60cm输出线,满足日常使用。充电器内置散热风扇,能及时将大功率快充时产生的热量散发,降低温升。充电器输出线采用防反接设计,确保极性正确,使用安全。AEwednc

充电头网通过拆解了解到,雅迪石墨烯电池充电器采用LLC开关电源设计,内部整流桥,开关管,整流管均固定在散热片上,变压器与其他元件之间通过胶水固定。充电器内部采用恩智浦TEA19161初级控制器,搭配一颗无标的MCU进行充电控制,并控制双色LED指示灯进行充电状态显示,直观易用。AEwednc

责编:Ricardo
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