The invention provides a vehicle-mounted charger assembly method and a vehicle-mounted charger. The vehicle-mounted charger assembly method comprises the steps that a shell comprising a cooling water channel is provided; a PCB is provided, a top heat dissipation switch tube is arranged on the first face of the PCB, electronic devices are arranged on the second face of the PCB, and the area, located between the electronic devices, of the PCB forms an installation operation area of the PCB; providing a ceramic chip and a first jig, and bonding the ceramic chip with the first surface of the PCB through the first jig to form a power module; a positioning plate is provided, a positioning hole is formed in the positioning plate, the positioning plate is placed at the opening of the shell, the power module is placed at the preset position of the cooling water channel along the positioning hole, and the ceramic chip faces the cooling water channel; a second jig is provided, the second jig comprises a pressing plate, the pressing plate is made to abut against the installation operation area of the PCB, and the second jig is operated to enable the pressing plate to push the power module to enable the power module to abut against the cooling water channel. Operation is easy, the space utilization rate is high, the heat dissipation effect is good, and reliability is high.
本申请提出了一种车载充电机的组装方法及车载充电机,包括:提供包括冷却水道的壳体;提供一PCB板,在其第一面上布置顶部散热开关管,在第二面上布置电子器件,其中PCB板的位于电子器件之间的区域形成PCB板的安装操作区域;提供一陶瓷片和第一治具,通过第一治具将陶瓷片与PCB板的第一面粘结,以形成功率模块;提供定位板,定位板上设置有定位孔,将定位板放置于壳体的开口处,将功率模块沿定位孔放置于冷却水道的预定位置处,且陶瓷片面向冷却水道;提供第二治具,第二治具包括压紧板,使得压紧板抵压在PCB板的安装操作区域,操作第二治具使得压紧板推动功率模块将功率模块抵接在冷却水道上。操作简单、空间利用率高、散热效果好、且可靠性高。
Assembling method of vehicle-mounted charger and vehicle-mounted charger
车载充电机的组装方法及车载充电机
2024-10-25
Patent
Electronic Resource
Chinese
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