| 摘要 |
An automatic temperature alarm system is disclosed for alerting an operator of a heated apparatus that the apparatus has been heated and untouched for an excessive period of time. In a particular embodiment, the invention comprises a temperature sensor affixed to the heated apparatus that senses its temperature; a vibration sensor that senses motion of the apparatus; a horn to alert the operator; and a system control intelligence in communication with the temperature and vibration sensors and horn for setting an alarm timer to measure an alarm period in response to sensed temperatures and motions and for activating the horn upon expiration of the alarm period. In use of the automatic temperature alarm system, the system control intelligence is operated so that whenever the temperature sensor senses an increase beyond a specific high or trigger temperature, such as a heating temperature of an outdoor barbecue, the system control intelligence sets its alarm timer to commence measurement of the alarm period of time, and upon the expiration of the alarm period of time, for example twenty minutes, the system control intelligence activates the horn. If the system control intelligence senses a motion of the apparatus from the vibration sensor during the alarm period of time, however, it re-sets its alarm timer to re-commence measurement of the alarm period of time. If the horn has been activated, the system control intelligence inactivates it upon sensing any apparatus motion from the vibration sensor.
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