Be applied to projecting apparatus in elevator

The utility model provides a be applied to projecting apparatus in elevator, in was applied to the elevator, it included the projecting apparatus body, be equipped with on the projecting apparatus body ranging module, acceleration sensor, treater, with the memory that the treater is connected, be equipped with the camera lens on the projecting apparatus body, camera lens and ranging module are just to the lift -cabin door, treater and ranging module, acceleration sensor, this body coupling of projecting apparatus. The utility model discloses a projecting apparatus with video projection to the lift -cabin door to through setting up acceleration sensor and ranging module, and then can detect the state that the lift -cabin door opened or cut out, open or close with this control projecting apparatus, reach and closed the projecting apparatus before the lift -cabin door leaves, open the effect of projecting apparatus after the lift -cabin door cuts out, convenient to use. 种应用于电梯内的投影仪，应用于电梯内，其包括投影仪本体，所述投影仪本体上设有测距模块