Projection equipment and obstacle avoidance projection method

• Main Authors: SUN CHAO, LU SHANHAO, YUE GUOHUA, LU PINGGUANG, HE YINGHAO, LI CAIFENG, TANG GAOMING, WANG YINGJUN, WANG HAO, ZHEN LINGYUN, ZHENG QINGQING
• Format: Patent
• Language: Chinese; English
• Published: 10.05.2024
• Subjects: ACCESSORIES THEREFOR; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES; APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM; CINEMATOGRAPHY; ELECTRIC COMMUNICATION TECHNIQUE; ELECTRICITY; ELECTROGRAPHY; HOLOGRAPHY; PHOTOGRAPHY; PHYSICS; PICTORIAL COMMUNICATION, e.g. TELEVISION

The invention discloses projection equipment and an obstacle avoidance projection method, the projection equipment (2) comprises a ray machine, a lens, a distance sensor, an image acquisition device and a controller, and the method comprises the following steps: starting the projection equipment (2) in response to a starting instruction of the projection equipment (2); according to the position relation of the lens, the distance sensor and the image acquisition device on the first plane and the distance detection value of the distance sensor, detecting whether a shielding object exists between the projection equipment (2) and the projection plane (1); wherein the first plane is a plane, parallel to the projection plane (1), on the projection equipment (2) during projection, and the projection plane (1) is used for receiving and displaying projection content projected by the ray machine; and if the shielding object is detected to exist between the projection equipment (2) and the projection surface (1), contro