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谁比较了解led灯怎么组装

谁比较了解led灯怎么组装

浏览：40次 | 提问时间： 06-22 03:10

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我的信仰 06-22 03:10

第一步：准备工序做好后，将PCB平放在工作台面，然后用导热涂料布刀片将绝缘导热膏涂布在PCB和led灯珠传热面上。第二步：然后用镊子夹起led灯珠小心放到PCB上，并用焊锡烙铁将led灯珠焊接到PCB上。第三步：用测试笔进行点亮测试。第四步：接下来我们要组装电源的套管和灯具散热体。将电源套管插入灯具散热体后，用螺丝刀固定好电源套和散热体的连接点。第五步：然后把电源插入灯具散热体的电源套管里，红色导线为“+”，蓝色导线为“-”，再将电源的输出端电线引出。第六步：将绝缘导热膏也均匀涂布到灯具散热体的PCB面板上，注意不要让膏体堵住螺丝孔。第七步：接下来就可以将PCBA(即led灯珠和PCB板)和散热体组装到一起了。把通过点亮测试的PCBA跟螺丝孔对齐，并用螺丝钉固定好PCBA和散热体的PCB导热面板。第八步：使用焊锡烙铁把电源的输出导线焊接在PCB上连接电源的焊盘上，焊接时注意区分“+”“-”极。第九步：将电源输出端的一根导线放到灯头的铆钉上，并将铆钉压紧。然后再把另一根导线绕在电源套管的螺纹上，并将灯头的金属外壳拧紧。第十步：用工业酒精打湿清洁毛刷后将PCBA表面脏污和焊点松香痕迹清洗干净。第十一步：这时要进行第二次点亮测试，把组装好的PCBA和散热体插入灯座中查看发亮是否正常。第十二步：最后，把PC罩嵌入灯具散热体的内腔中。

瑰语 06-22 03:19

安装LED灯注意事项如下：1.在砖石结构中安装吸顶灯时，应采用预埋螺栓，或用膨胀螺栓、尼龙塞或塑料塞固定，不可使用木楔。并且上述固定件的承载能力应与吸顶灯的重量相匹配，以确保吸顶灯固定牢固、可靠，并可延长其使用寿命。2.当采用膨胀螺栓固定时，应按产品的技术要求选择螺栓规格，其钻孔直径和埋设深度要与螺栓规格相符。3.固定灯座螺栓的数量不应少于灯具底座上的固定孔数，且螺栓直径应与孔径相配；底座上无固定安装孔的灯具(安装时自行打孔)，每个灯具用于固定的螺栓或螺钉不应少于2个，且灯具的重心要与螺栓或螺钉的重心相吻合；只有当绝缘台的直径在75mm及以下时，才可采用1个螺栓或螺钉固定。4.LED吸顶灯不可直接安装在可燃的物件上，有的家庭为了美观用油漆后的三夹板衬在吸顶灯的背后，实际上这很危险，必须采取隔热措施；如果灯具表面高温部位靠近可燃物时，也要采取隔热或散热措施。

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