▎ 摘　　要

NOVELTY - The utility model claims a surface pollution detector warm-keeping device, comprising a battery pack and a host package, the battery pack is detachably connected with the main machine package, the main machine package is composed of a front surface, a lower surface, an upper surface, a left surface; a right surface and a detachable rear surface; the front surface is provided with a first opening, a second opening and a notch; the notch is connected with the first opening and the second opening, and two sides of the notch are detachably connected; the detachable rear surface comprises an upper cover body connected with the upper surface and a lower cover body connected with the lower surface; and the lower cover body is detachably connected with the upper cover body. By setting the battery pack and the host package capable of being separated, reducing the occupied space after packing, avoiding the interference caused by the normal placement of the protruding battery pack to the host package. Through the main machine package with built-in heating structure, it can heat the device in the low temperature environment, avoid the detecting instrument caused by low temperature loss or downtime.