Disposable liquefied natural gas filling machine who settles accounts amount of money of paying

The utility model discloses a device of inferior nature settlement liquefied natural gas filling machine air entrainment expense, including lieing in liquefied natural gas filling machine inside flowmeter, control valve, still include electrometer accuse ware in addition, insert gun platform, display screen, electrometer accuse ware includes the main control board, adds air gun position detectingdevice, voice broadcast ware, inserts the gun platform setting and on liquefied natural gas filling machine, adds air gun position detecting device and install in inserting the gun platform, voice broadcast ware, display screen, adds air gun position detecting device and all is connected with the main control board. This technical scheme adopt to add air gun position detecting device, and the device presets and is inserting gun platform department, and whether this detection device can just lie in and insert the gun platform and detect adding the air gun, add the air gun and insert the gun platform break away from dur