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Method for producing a housing for an electronic system

A technology for electronic devices and housings, which is applied in the field of manufacturing housings for electronic devices, achieves the effects of improving sealing, preventing thermal effects, and simplifying thermal effects.

Active Publication Date: 2021-01-29
ROBERT BOSCH GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Especially when welding aluminum die-cast alloys face special challenges
Air inclusions in the material that open during laser welding, gaps in the weld seam can thus be caused, for example

Method used

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  • Method for producing a housing for an electronic system
  • Method for producing a housing for an electronic system
  • Method for producing a housing for an electronic system

Examples

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Embodiment Construction

[0029] exist figure 1 An exploded view of the housing 10 according to the invention is shown in . The housing 10 comprises a first housing element 12 and a second housing element 14 . exist figure 1 The housing 10 shown in is adapted to house electronics 18 for controlling the electric motor. However, it should be expressly mentioned here that applications for such a housing 10 are also conceivable, as long as a fluid-tightly sealed housing interior is required for these applications. as in figure 1 As can be clearly seen in FIG. 1 , the first housing element 12 has a recess 16 in which an electronic component 18 is arranged in the installed state. The recess 16 has a substantially rectangular shape corresponding to the contour of the electronic component 18 . According to the invention it is provided that the housing elements 12 , 14 consist of aluminum or an aluminum alloy and that at least one of the housing elements 12 , 14 is produced by means of a die-casting method...

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Abstract

The invention relates to a method for producing a housing (10), in particular a housing (10) for an electronic system (18), in particular for controlling an electric motor. The housing (10) is made ofa first housing element (12) and a second housing element (14), wherein the housing elements (12, 14) comprise aluminum or an aluminum alloy, and at least one of the housing elements (12, 14) is produced by means of a die casting method. The housing elements (12, 14) are connected together in a fluid-tight manner at least partly by means of a multilayer laser beam welding process, in particular atwo-layer laser beam welding process.

Description

technical field [0001] The invention relates to a method for producing housings for electronic components and to an electronic housing according to the invention. Background technique [0002] A method is already known for producing a housing for an electronic component with a first housing element and a second housing element. Known methods for producing housings connect housing elements by means of screw connections. The sealing is accomplished by a sealing arrangement arranged between the first and second housing elements. For production, several method steps are required, which in turn entails increased production costs. [0003] It is also known to join housing elements by means of single-layer laser beam welding. However, this method is prone to welding defects, followed by a lack of airtightness of the housing. Welding defects of the type mentioned here can have a variety of origins. Especially when welding aluminum die-cast alloys there are special challenges. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05K5/06
CPCH05K5/066B23K26/206B23K26/242B23K26/28B23K26/32B23K2101/04B23K2101/36B23K2103/10B23K26/06
Inventor C·索尔福P·斯特利特
Owner ROBERT BOSCH GMBH
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