| 摘要 |
A gas appliance monitoring apparatus capable of changing the monitor level by gas appliance is provided. The apparatus includes a flow rate measurement unit 17 for measuring the gas flow rate, a gas shut-off valve 2c for shutting off a gas flow path at the abnormal time, an information storage unit 10b for storing various pieces of information based on the measurement result of the flow rate measurement unit 17, a wireless module 11 for transmitting and receiving information to and from a plurality of parties, and a communication switch unit 10c for switching a communication frequency band depending on the parties, wherein the wireless module 11 is integrated with a control circuit board 10 forming the flow rate measurement unit 17 and is housed in a gas meter 2, has at least a communication frequency band with a base station 14 and a communication frequency band with a plurality of gas appliances, and transmits an operation start signal detected by an appliance detection unit 22 of a specific gas appliance as appliance information using an appliance wireless module 11d, and the continuous use time of the specific appliance is detected or is changed based on the information. |
