根据部分客户的使用习惯要求，把安装在洁源阀内部的电源板用外置罩壳封装，作为洁源阀外置电源的一种形式。同时该电源适配器也可广泛应用于其他场合。

In order to meet the use habits of some customers, the power supply board installed inside the valve is equipped with an external housing Encapsulation, as a form of choice, At the same time, the power adapter can also be widely used in other occasions.