| 摘要 |
PURPOSE: To automatically interrupt the current of electric heater which causes damages during an earthquake. CONSTITUTION: A circuit breaker having a built-in vibration sensor 1, a switch 2, a battery 9 and a charger 10 comprises a receptacle 6 which forms a closed circuit after an earthquake, a receptacle 7 which forms an open circuit after the earthquake, a lamp 5 which is lighted after the earthquake, a reset button 4, and an existing plug terminal 3 for inserting into receptacles. By doing this, a current of an electric heater which is dangerous during the earthquake can be automatically interrupted and at the same time a guide lamp can be turned on. |
