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Fastening unit for connecting thermally stressed components to each other

A fastening device and thermal stress technology, applied in the direction of connecting members, thin plate connections, semiconductor/solid-state device components, etc., can solve the problems of inability to move relatively, stress material failure, etc., and achieve the effect of increasing flexibility and expanding the scope of application

Pending Publication Date: 2020-12-11
基尔应用技术大学
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The problem with this design is that the interconnected parts (circuit board, housing, and pressure piece) made of different materials expand differently when exposed to the temperatures generated during operation and therefore cannot move relative to each other
This can lead to stress and premature material failure

Method used

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  • Fastening unit for connecting thermally stressed components to each other
  • Fastening unit for connecting thermally stressed components to each other
  • Fastening unit for connecting thermally stressed components to each other

Examples

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Embodiment Construction

[0069] Such as Figure 1a , 1b Shown in and 1c is a first embodiment of the fastening device 10 . The fastening device 10 comprises a fastening pin 12 integrally connected with a fastening head 14 . In this embodiment, the fastening pin 12 and the fixing head 14 are integrated. The fixing head 14 is cylindrical and has a hex socket 12a into which the fastening pin 12 is screwed during assembly. The hexagonal socket 12 a constitutes the internal driver of the fastening pin 12 .

[0070] Furthermore, the fastening device 10 comprises a fastening element 16 having a through hole 18 and a cylindrical recess 20 arranged concentrically on its upper side 10a. Seen from above, the basic shape of the fixing element 16 is rectangular. The longitudinal length of the fixing element 16 is greater than the transverse length. On the first long side 10b, a fixing arm 22 protrudes along the entire long side 10b and extends at an angle relative to the upper side 10a. A V-shaped fixing gro...

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Abstract

The invention relates to a fastening unit (10) for connecting thermally stressed components to each other, particularly a heat-generating body (44) having a heat sink (42), comprising a retaining pin(12) and a retaining element (16), wherein the retaining pin (12) is connected to a retaining head (14), the retaining pin (12) extends through the retaining element (16), the retaining head (14) contacts the retaining element (16), and the retaining element (16) engages on the body (44) or heat sink (42) and retains it in a fastening direction (26) of the retaining pin (12). According to the invention, the retaining element (16) is designed to engage laterally on the body (44) or heat sink (42), in that the retaining element (16) has, on the side thereof facing the body (44) or heat sink (42), a retaining groove (24) extending in a longitudinal direction crosswise to the fastening direction, wherein at least one groove surface (24a, 24b) contacts the body (44) or heat sink (42) at least in regions when in the assembled state.

Description

technical field [0001] The invention relates to a fastening device for joining thermally stressed parts according to the preamble of claim 1 . Furthermore, the invention relates to the use of a fastening device as claimed in claim 16 and to the method of joining two thermally stressed parts as claimed in claim 18 . Background technique [0002] A universal fastening device for connecting thermally stressed parts to each other, in particular for connecting a heating element to a heat sink, comprising a fixing pin and a fixing element. The fixing pin is connected to the fixing head. The fixing pin passes through the fixing element. The fixing head rests on the fixing element. The fixing element is engaged with the body or the radiator, fixing it along the fastening direction of the fixing pin. In the installed position, the fixing head connected to the fixing pin holds the fixing element in said position, which in turn fixes the body or the heat sink in position. If a pow...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L23/40
CPCH01L23/4006H01L2023/4087H01L23/13F16B43/025F16B5/0635F16B5/0642
Inventor 贾斯珀·施纳克乌尔夫·舍曼
Owner 基尔应用技术大学
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