The invention relates to a surge protector, in particular to a surge protector with built-in platinum thermal resistance, which is characterized by a varistor, a metal electrode sheet, a micro-switch, a telesignaling terminal and a platinum thermal resistance. The varistor is placed between two metal electrode sheets, the platinum thermal resistance is attached to the metal electrode sheet of the varistor, the micro-switch and the telecommunication terminal. Installed at the corresponding position of the surge protector, the two terminals of the telesignaling terminal are wired to the common contact and the constant open contact of the microswitch respectively. The platinum thermal resistance is parallel to the common contact and the constant open contact of the microswitch. The telesignaling terminal is provided with two or three independent terminals to realize the output of the thermal release signal and the platinum thermal resistance signal. \u3002 The invention can simultaneously output the thermal release state signal and the platinum thermal resistance signal of the surge protector, so as to realize the unattended purpose of the surge protector.
【技术实现步骤摘要】
内置铂热电阻的浪涌保护器
本专利技术涉及一种浪涌保护器,尤其涉及一种内置铂热电阻的浪涌保护器。
技术介绍
浪涌保护器广泛应用于防护雷电浪涌,由于雷击老化或正常老化,新型浪涌保护器内置热脱扣装置、铂热电阻器件,其中铂热电阻专门用于压敏电阻发热状况的实时监测,浪涌保护器的遥信信号只有两个或三个输出端子,其中两个接线端子专门用于热脱扣信号遥信输出,因此,没有多余接线端子供铂热电阻器件信号输出,无法在线动态监测浪涌保护器发热状况,不能满足无人值守的要求。
技术实现思路
本专利技术针对现有技术的状况,提供一种内置铂热电阻的浪涌保护器。本专利技术采用以下技术方案,所述内置铂热电阻的浪涌保护器,包括压敏电阻、金属电极片、微动开关、遥信端子、铂热电阻,所述压敏电阻置于两片金属电极片之间,所述铂热电阻紧贴在压敏电阻的金属电极片上,所述微动开关与遥信端子安装在浪涌保护器相应的位置上,所述遥信端子的两个接线端子分别导线连接于所述微动开关的公共触点和常开触点,所述铂热电阻并联于所述微动开关的公共触点和常开触点。根据上述技术方案,所述遥信端子设有两个或三个独立的接线端子以实现热脱扣信号和铂热电 ...
【技术保护点】
1.一种内置铂热电阻的浪涌保护器,其特征在于,包括压敏电阻、金属电极片、微动开关、遥信端子、铂热电阻,所述压敏电阻置于两片金属电极片之间,所述铂热电阻紧贴在压敏电阻的金属电极片上,所述微动开关与遥信端子安装在浪涌保护器相应的位置上,所述遥信端子的两个接线端子分别导线连接于所述微动开关的公共触点和常开触点,所述铂热电阻并联于所述微动开关的公共触点和常开触点。
【技术特征摘要】
1.一种内置铂热电阻的浪涌保护器,其特征在于,包括压敏电阻、金属电极片、微动开关、遥信端子、铂热电阻,所述压敏电阻置于两片金属电极片之间,所述铂热电阻紧贴在压敏电阻的金属电极片上,所述微动开关与遥信端子安装在浪涌保护器相应的位置上...
还没有人留言评论。发表了对其他浏览者有用的留言会获得科技券。