一种集成式带后备保护功能的电涌保护器

Abstract

本实用新型涉及一种集成式带后备保护功能的电涌保护器，包括后备保护单元和电涌保护单元，所述后备保护单元内设有工频脱扣组件、动作线圈组件和放电管组件，后备保护单元部分可以起到雷击大电流不分断，小的工频电流有效分断的作用。本实用新型后备保护单元和电涌保护单元集成在一起，容纳到宽度为18mm，长度为90mm的壳体内，并对技术参数实现有效配合设计；相较于传统分开设置的后备保护器和电涌保护器，简化了结构，减少了体积和接线数量，在满足残压低、通流量大的同时节省了使用和安装成本。

Claims

1. An integrated surge protector with backup protection function, comprising a housing, a backup protection unit and a surge protection unit; characterized in that: The backup protection unit includes a power frequency tripping assembly, an operating coil assembly, and a discharge tube assembly. The surge protection unit includes a varistor assembly, a thermal tripping plate, and a remote communication assembly. The power frequency tripping assembly includes a moving contact, and the discharge tube assembly includes a stationary contact and a bottom electrode. The moving contact and the stationary contact are tightly fitted together in the normal closing working state to form a surge discharge channel.

2. The integrated surge protector with backup protection function according to claim 1, wherein The varistor assembly is installed in the inner shell and includes a varistor, a trip electrode, a boss electrode, and a lower electrode. The boss electrode is welded and fixed to the trip electrode, and the right end of the lower electrode is welded and fixed to the bottom electrode of the discharge tube assembly.

3. The integrated surge protector with backup protection function according to claim 2, wherein: The thermal release spade is made of red material and has a slide rail installed in the corresponding track above the inner shell. The thermal release spade is snapped below the weld point between the boss electrode and the release electrode, and one end of it is held in an energy storage state by a tension spring on the inner shell.

4. The integrated surge protection device with backup protection function of claim 1, wherein: The remote communication component includes a micro switch, a flexible circuit board, and a remote communication socket; the micro switch is installed on the inner shell of the varistor component, the remote communication socket is installed inside the shell, and the micro switch and the remote communication socket are connected by the flexible circuit board.

5. An integrated surge protector with backup protection function according to claim 1, characterized in that... The housing has a test hole, and a metal ring is placed inside. The metal ring is welded to the lower end of the coil of the actuating coil assembly, and the upper end of the coil is welded to the stationary contact to form a power frequency current test channel.

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