Patch-type capacitance liquid level meter and level meter measuring method

The invention relates to a patch-type capacitance liquid level meter and a level meter measuring method. The patch-type capacitance liquid level meter comprises a power supply, a capacitance sensor, a capacitance measuring module, a master control module and a liquid crystal display module, wherein the capacitance sensor is connected with the capacitance measuring module, both the capacitance measuring module and the liquid crystal display module are connected with the master control module, the capacitance sensor comprises capacitance pole plates, epoxy resin filler and a metal shielding cover, the capacitance pole plates are of cuboid structures, an inner included angle formed by the two same capacitance pole plates is an obtuse angle, the epoxy resin filler is arranged between the two capacitance pole plates, and the epoxy resin filler arranged between the two capacitance pole plates is of a pyramid trustum structure, one pair of side faces, in contact with the two capacitance pole plates, in the pyramid t