Magnetic switch system based on glad displacement of gu si - chinese

The utility model discloses a based on ancient this the magnetic switch system of the glad displacement of the chinese, its magnetic field that includes cavity, perpendicular to cavity, cavity outsideone side is provided with the light source that is used for jetting out incident ray, the photoswitch that is used for the receive reflected light line that the cavity outside was provided with at incident ray's normal line opposite side that a plurality of intervals set up, the cavity comprises the three -layer, and first layer and third layer are non -magnetism nature dielectric layer, and thesecond floor is the ferromagnet fluid layer, be provided with the ferromagnet fluid in the ferromagnet fluid layer, does the ferromagnet fluid include water and evenly distributed nuclear in aqueous shell structure compound body, nuclear is the nuclear of shell structure compound body orbed fe3O4 nano particle, nuclear the shell of shell structure compound body is for covering at the outer one deck metal ag of nuclear. The