| 摘要 |
<p>PURPOSE:To obtain accurate consumption quantity, by directly detecting the consumption state of liquefied petroleum gas due to the lowering in the liquid level of said gas by a liquid level sensor. CONSTITUTION:If the liquid level of a liquefied petroleum gas container is lowered, a float 16 falls along a guide rod 14 corresponding to the liquid level and, if falls to the lowest part, a magnet 24 is positioned at the outer periphery of a reed relay 20 to close the contact thereof. Then, a detection signal is supplied to an alarm part. Because the lowering of the liquid level is directly detected as compared with the detection of gas consumption due to the lowering in pressure, there is no possibility of generating an erroneous signal and consumption information consistent with the actual consumption quantity in the container is obtained.</p> |
