| 摘要 |
PURPOSE: A bus bar with overheat prevention function in a distributing board is provided to operate a thermoelectric element and cool the bus bar down when the temperature of the bus bar is higher than a predetermined temperature. CONSTITUTION: A bus bar with overheat prevention function in a distributing board is composed of a reference temperature setting unit(4), a temperature detection sensor(5), an A/D converter(6), a MICOM(7), a PTC driving part(8), and a thermoelectric element(10). The temperature detection sensor is installed between the top of an insulator and the bottom of the bus bar, and it detects the temperature of a bus bar in real time. The MICOM outputs a driving signal of thermoelectric element to the PCT driving unit when the temperature of the bus bar is higher than the predetermined temperature. |
