Laboratory waste liquid barrel device for preventing waste liquid from overflowing

The utility model discloses a laboratory waste liquid barrel device capable of preventing waste liquid from overflowing, which comprises a waste liquid barrel, a non-contact liquid level sensor arranged on the waste liquid barrel, and an indicating lamp of which a switching signal comes from the non-contact liquid level sensor, the non-contact liquid level sensor and the indicating lamp are connected into a junction box, and the junction box is connected with a power supply through a transformer. The liquid level alarm device is simple, practical and convenient to operate, can be suitable forwaste liquid barrels in different shapes, and can flexibly set a liquid level alarm position to avoid secondary environmental pollution caused by overflow of waste liquid in the laboratory waste liquid barrel. 本实用新型公开了一种防止废液溢出的实验室废液桶装置，包括废液桶，还包括设置在所述废液桶上的非接触式液位传感器以及开关信号来自于所述非接触式液位传感器的指示灯；所述非接触式液位传感器和指示灯接入接线盒内，接线盒通过变压器连接电源。本实用新型操作简单实用方便，可适合不同形状的废液桶，灵活设置液位报警位置，以免实验室废液桶的废液外溢造成二次环境污染。