Miniature temperature control switch with overheating protection function

Abstract

The utility model discloses an overheating protection miniature temperature control switch, which comprises a lower cover structure base piece and an upper cover structure pressing block, the top of the lower cover structure base piece is connected with the upper cover structure pressing block, the bottom of the inner wall of the lower cover structure base piece is provided with a mounting groove, and a bimetallic strip is cooperatively connected in the mounting groove. A static conducting strip is installed at the end, located outside the bimetallic strip, in the lower cover structure base piece, a static contact is arranged at the top of the static conducting strip, and a movable conducting reed is installed at the other end, located outside the bimetallic strip, in the lower cover structure base piece. The temperature precision is not influenced by the component pressure, the design of the bimetal sheet fulcrum enables the movable / static sheet contact to be enlarged, the current is larger, the opening distance of the contact is large, the arc is not pulled, the service life is longer, the product shell adopts a fully-enclosed plastic packaging process, the insulation high-voltage performance is good, the whole structure is simple to assemble, and the performance is stable.

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