Sand dust test box

The utility model relates to a sand dust test chamber, including box body, storage tank, feed pipe, discharge pipe, touch screen and fan, storage tank, feed pipe, discharge pipe and fan are located in box body, the box body is provided with test chamber, the bottom of test chamber is provided with conical funnel, one end of conical funnel is communicated with the test chamber, the other end of conical funnel is communicated with the touch screen. The other end of the conical funnel is communicated with the storage tank through a discharge pipe, the width of the conical funnel is gradually reduced from one end close to the test bin to one end close to the discharge pipe, a feed port is formed in the top of the test bin, one end of the fan is communicated with the storage tank through a guide pipe, and the other end of the fan is communicated with the feed port in the test bin through a feed pipe; the touch screen is located on the surface of the box body, and the draught fan is electrically ...