Intelligent bookshelf capable of conducting automatic screening and facilitating book fetching

The invention discloses an intelligent bookshelf capable of conducting automatic screening and facilitating book fetching. A style of Sudoku is adopted in the entire bookshelf, a computer is utilized to search for books, after a desired book is locked, the computer automatically uses a sensing device to screen the bookshelf, and automatically move a small book case of the desired book to a middle layer through pulleys and tracks inside the bookshelf and outside the small book case, and an indicator lamp below the small book case lights up to indicate the detailed position of the target book. According to the intelligent bookshelf, books can be quickly and conveniently looked for and fetched, and the problem that it is inconvenient to look for and fetch the books in the high-layer bookshelf and books in the lower-layer bookshelf is solved. 种自动筛选方便取书的智能书架，整体采用九宫格的造型，通过电脑查询书籍，锁定想要的书籍后电脑自动在书架上利用感应装置筛选，并将书籍所在的小书格通过书架内部和小书格外部的滑轮和轨道自动移动到中间层，小书格下方的指示灯亮起，指示目标书籍的具体位置；本书架可实现快速且方便的找取书籍，并且解决了高层书架和低层书架找书取书不方便的问题。