thermal fuse
A technology of temperature fuses and conductors, applied in electrical components, circuits, emergency protection devices, etc., can solve problems such as difficult to locate fuse components, and achieve reliable cut-off effect
Inactive Publication Date: 2016-12-14
UCHIHASHI ESTEC
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- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
[0008] Also, as described in Patent Document 2, it is difficult to accurately position the fuse element only by receiving the tip of the fusible alloy through the lead wire whose tip is recessed.
In particular, there is a problem that a jig must be used for the vertical positioning of the temperature sensing element in the cylinder.
Method used
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Experimental program
Comparison scheme
Effect test
no. 2 approach
[0025] Variation
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The present invention provides a temperature fuse, wherein the surface of a fuse component is not contacted with the inner circumference surface of a housing, the temperature fuse comprises a fusible portion, first and second lead conductors respectively extending from both ends of the fusible portion; first and second step portions, wherein the first step portion is formed on the first lead conductor and the second step portion is formed on the second lead conductor; a tubular housing, wherein the fusible portion and the first and second lead conductors are inserted into the housing from the opening of one end of the housing, and the fusible portion is contained in a state of guiding the end portions of the first and second lead conductors to outside; a protruding portion formed on the inner surface near the other end of the housing and used for clamping and fixing the first lead conductor side; and a cover body covering the second lead conductor and clamped and fixed by the second step portion.
Description
technical field [0001] The invention relates to a temperature fuse. For example, it relates to a thermal fuse in which a surface of a fuse element including a fusible portion and an inner peripheral surface of a housing do not contact each other. Background technique [0002] Conventionally, thermal fuses have been used as thermal protection components for electric equipment, electronic equipment, and the like. For example, the following Patent Document 1 and the following Patent Document 2 describe thermal fuses in which a fusible alloy having lead conductors extending from both ends is housed inside a housing. [0003] Patent Document 1: Japanese Patent Application Laid-Open No. 05-151873 [0004] Patent Document 2: Japanese Patent Application Laid-Open No. 05-174680 [0005] In order to improve the overcurrent resistance of the thermal fuse and to increase the rated voltage and rated current, it is preferable that the inner surface of the housing and the surface of the...
Claims
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IPC IPC(8): H01H85/08H01H85/175
Inventor 竹村元秀
Owner UCHIHASHI ESTEC