24-03-2016 дата публикации
Номер: US20160086753A1
The present invention provides a protection device comprising a bimetal component and a PTC component. This protection device comprises a resin base, a first terminal, a second terminal, a PTC component, a bimetal component, an arm, an upper plate and a resin cover wherein 1. A protection device comprising a resin base , a first terminal , a second terminal , a PTC component , a bimetal component , an arm , an upper plate and a resin cover , whereina portion of the first terminal configures a first electrode, and a portion of a second terminal configures the second electrode,the first electrode and the second electrode are exposed outward at the bottom surface of the resin base,in a normal state, the first terminal, the arm and the second terminal are electrically connected in series, andwhen the bimetal component is activated, the first terminal and the arm becomes electrically cut off while the first terminal, the PTC component, the bimetal component, the arm and the second terminal are electrically connected in series in the mentioned order.2. The protection device according to claim 1 , characterized in that the bimetal component has been subjected to heat-treatment.3. The protection device according to claim 2 , characterized in that the temperature of heat-treatment is higher than a temperature of soldering the protection device.4. The protection device according to claim 1 , characterized in that the first terminal and/or the arm has a contact part claim 1 , and at least one of these contact parts is formed by swaging a contact material through the first terminal and/or the arm.5. The protection device according to claim 4 , characterized in that the contact material is a silver-nickel alloy.6. The protection device according to claim 1 , characterized in that at least a part of the first terminal has a rib.7. The protection device according to claim 1 , characterized in that the resin base is formed from a thermal resistant resin.8. The protection device ...
Подробнее