Signal solenoid valve

The utility model discloses a signal solenoid valve, including the valve body disk seat interior with locating the valve body, be equipped with the case in the disk seat, the top of valve body is equipped with the valve gap, the valve gap seals the case in the valve body, wear to be equipped with the valve rod on the valve gap, the lower part of valve rod is fixed with the case, the valve rod drives the case and slides from top to bottom between valve body and valve gap, the fixed cover of one end that the valve rod exposes the valve gap is equipped with and moves the iron core, the outside of moving the iron core is overlapped in proper order and is equipped with magnetism isolating pipe and solenoid, the bottom of valve body sets up hall switch, the case bottom is equipped with magnetic element, magnetic element be located hall switch the top and rather than coaxial setting. The utility model discloses, when the solenoid valve case was closed, magnetic element is close with hall switch will signal output to