Stable-typed fusible safe resistor and production method thereof

一种稳定型可熔断保险电阻器及其制备方法

  • Inventors: ZHENG DONGHAO
  • Assignees: 郑东浩
  • Publication Date: June 03, 2009
  • Publication Number: CN-101447263-A

Abstract

The invention discloses a stable-typed fusible safe resistor and a production method thereof. The resistor comprises an electrical porcelain stick body and a cap body that is arranged at the two ends of the electrical porcelain stick body and connected with a lead. The middle part of the electrical porcelain stick body is sprayed with a paint layer, and an alloy wire is wound on the outer surface of the paint layer at equal intervals. The production method of the resistor is as follows: the cap body is sheathed and arranged at the two ends of the electrical porcelain stick body that the content of alumina is below 75%, and the lead is welded on the cap body; the electrical porcelain stick body is coated with a paint layer; the alloy wire is wound at equal intervals at the part comprising the paint layer; the outer surface is painted and marked with color rings and braids according to resistances. In the invention, once strong power voltage or current appears, the middle part of the electrical porcelain stick can heat intensively; therefore, the alloy wire is fused rapidly to cut off a circuit so as to protect the circuit. The resistor is mainly used in the main circuits of various appliances, such as chargers, meters, etc.
本发明公开了一种稳定型可熔断保险电阻器及其制备方法,所述电阻器由电瓷棒体和设置在电瓷棒体两端的连接有导线的帽体构成,所述电瓷棒体的中部喷涂有涂料层,所述涂料层的外表面等间距的缠绕有合金线。本发明的制备方法是:将氧化铝含量在75%以下的电瓷棒体两端套装帽体,在帽体上焊接导线;在上述电瓷棒体上涂覆涂料层;在含有涂料层的部位等间距的缠绕合金线;进行外表面涂漆处理;按其阻值标色环、编带。本发明一旦遇到强电压或强电流时电瓷棒的中间部位会集中发热,使合金线迅速熔断切断回路,起到保护的作用,主要应用于各种充电器、仪表等电器的主要电路中。

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