| 主权项 |
1. An inkjet printing head cleaning device, comprising:
an inkjet printing head unit, said inkjet printing head unit having a nozzle, and at least a droplet is ejected from said nozzle; an inkjet printing head driving unit, said inkjet printing head driving unit is connected to said inkjet printing head unit for controlling an open or a close of said nozzle; an image capturing unit, said image capturing unit captures at least an image of said nozzle, to obtain an actual nozzle information, or said nozzle ejects at least an image of said droplet, to obtain an actual droplet image information, wherein said actual droplet image information is a length from said droplet to said nozzle, or a diameter of said droplet; a memory unit, said memory unit memorizes said actual droplet image information and a desired droplet information; and a control unit, said control unit is connected to said inkjet printing head driving unit, an image capturing unit, and a memory unit, said control unit judges a difference between said actual droplet image information and said desired droplet image information in accordance with said actual droplet image information of said image capturing unit, in order to said open or said close of said nozzle by said inkjet printing head driving unit, so that said length from said droplet to said nozzle is equivalent to a desired value, or a diameter of said droplet is equivalent to said desired value. |
