| 摘要 |
A device (10) for indicating the reserve state of containers, in particular portable containers adapted to contain liquefied fuel gases, comprises a housing (11) provided with fastening means (12) for the detachable connection of the device (10) to the container, a circuit (21) in this housing (11), which circuit (21) includes at least one indicator (24) adapted to transmit a visual and/or acoustic signal when the circuit (21) is actuated, a switch (19) adapted to actuate the circuit (21) as a function of an alert signal from a level indicator (5, 7, 8) belonging to the container, actuator means (16, 20) adapted to actuate the switch (19) by interaction with the level indicator (5, 7, 8), in which the actuator means comprise a primary magnet (16) positioned such that it may be displaced in the housing (11) into a position interacting with a corresponding magnet (8) of the level indicator (5, 7, 8) and a recall (20) which bears a secondary magnet (18) connected to the primary magnet (16) in order to actuate the switch (19) as a result of the displacement of the primary magnet (16). |
