首页> 外国专利> Safety fuse resistor - with ceramic rod carrying resistor layer with spiral turns at one end only

Safety fuse resistor - with ceramic rod carrying resistor layer with spiral turns at one end only

机译:安全保险丝电阻器-陶瓷棒带有电阻层,电阻层仅在一端具有螺旋线匝

摘要

A safety fuse resistor for TV receivers is made from a rod-like carrier which supports a spiral resistance layer made of carbon, metal or metal oxide. The spiral shape of the layer is merely concentrated near one end of the rod. The resistos has a normal behaviour at nominal loads and normal lacquer can be applied without fear of overheating. Overloads cause a concentrated hot spot at the spiral end which evaporates and interrupts the circuit without producing an arc or red hot ceramics, to reduce possibility of fires.
机译:用于电视接收机的安全熔断电阻器由棒状载体制成,该棒状载体支撑由碳,金属或金属氧化物制成的螺旋电阻层。该层的螺旋形状仅集中在杆的一端附近。电阻在额定负载下具有正常的行为,并且可以涂覆正常的清漆而不必担心过热。过载会在螺旋端产生集中的热点,该热点蒸发并中断电路,而不会产生电弧或炽热的陶瓷,从而减少了火灾的可能性。

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