Survey hole water level control and metering device are oozed to full -automatic evaporating

The utility model relates to a survey hole water level control and metering device are oozed to full -automatic evaporating, including a water level section of thick bamboo, benefit water metering solenoid valve and overflow measurement solenoid valve. A water level section of thick bamboo passes through communicating pipe and surveys the survey hole cross current that the hole filtering layer setup, the low reaches end of mending the water metering solenoid valve is through communicating pipe and survey hole cross current, the head -end of mending the water metering solenoid valve is throughmoisturizing pipe and water source intercommunication, the head -end of overflow measurement solenoid valve passes through communicating pipe and surveys the hole cross current, the low reaches end and the overflow pipe intercommunication of overflow measurement solenoid valve, be equipped with water level detection device in the water level section of thick bamboo, the water level control circuit is used for the signal a