Device for automatically measuring liquid opening distance

The utility model discloses a device and a method for automatically measuring the distance between liquid ports, which comprises a furnace barrel, a furnace top cover, a liquid outlet and a liquid outlet. The isolating valve is connected above the furnace top cover; the crucible is arranged at the lower part in the furnace barrel; the water cooling screen is arranged above the crucible; the sensing mechanism comprises a positioning sensing part, a correlation sensor and a distance measuring sensing part, the positioning sensor is adjustably connected to the upper portion of the isolating valve and electrically connected with a capacitive sensor, the correlation sensor is arranged below the isolating valve, and the distance measuring sensing part is arranged on the furnace top cover. The liquid outlet distance measuring device has the advantages that the liquid outlet distance measuring structure is simple, the measuring mode is simple and convenient, auxiliary devices such as a reflector do not need to be ins