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Method for producing a luminescent 3D-radar module cover, and injection-molding assembly

A radar and plastic technology, applied in the direction of household components, applications, optical signals, etc., can solve the problems of canceling radar and interfering with the functions of radar modules, and achieve the effect of low cost and omitting the coating process

Active Publication Date: 2018-08-10
ROBERT BOSCH GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, for this additional function, electronic components and conductor tracks must be integrated in this area, which interfere with the function of the radar module, so that, for example, in the version with illuminated markings, the functionality of the radar must be eliminated

Method used

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  • Method for producing a luminescent 3D-radar module cover, and injection-molding assembly
  • Method for producing a luminescent 3D-radar module cover, and injection-molding assembly
  • Method for producing a luminescent 3D-radar module cover, and injection-molding assembly

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Embodiment Construction

[0041] In all figures, identical or functionally identical elements and devices are provided with the same reference signs, unless otherwise stated.

[0042] In general, the various substeps of the method according to the invention and of the injection molding component are illustrated in FIGS. 1 to 5 with the aid of schematic diagrams.

[0043] Here, first in Figure 1a A diagram of the method steps for producing a three-dimensional structure 2 having at least one light guide 4 , which is produced by means of a first injection molding tool 10 from a first light-scattering plastic, is seen in c. here, Figure 1a A three-dimensional structure 2, shown as a molded part of this method step, is accommodated in an injection molding tool 10, where the structure 2 forms a disk-shaped profile, said profile in Figure 1b in, in planar top view and in Figure 1c can be better identified in side view. There, the structure 2 is recognized as a transparent body which has, at two opposite...

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Abstract

The invention relates to a method and an assembly suitable for performing the method, which are used for producing a luminescent 3D-radar module cover. The radar module cover is arranged in a region of a radiator grill of a motor vehicle. In a separate method step, a three-dimensional structure is produced from a first plastic that scatters light by means of a first injection-molding tool, the three-dimensional structure has at least one light conductor, the three-dimensional structure is metal-coated and mirrored, and then a main flow is separated; a cover element is produced from a second plastic by means of a second injection-molding tool, and then the main flow path is separated; the cover element at least partially covers the metal-coated three-dimensional structure at a use positionin a planar manner, an outline of the three-dimensional structure is notched at the cover element, and at the same time the three-dimensional structure is metallized together with the cover element disposed thereon and is embedded in a third plastic material with the aid of a third injection-molding tool while molding a mount for a radar module and fastening points on the molded component.

Description

technical field [0001] The invention relates to a method for producing an illuminated 3D radar module cover, which is intended to be arranged in the region of a radiator grille of a motor vehicle. Furthermore, the invention also relates to an injection molding component for producing an illuminated 3D radar module cover. Background technique [0002] Currently, 3D radar module domes for installation in motor vehicle radiator grilles require many expensive process steps and are therefore implemented rather hesitantly and seriously by only a few companies. [0003] In this case, its cost-intensive and time-intensive production results in particular from the high requirements of the cover on the “transparency” of the radar waves, which are not available for functionality such as distance cruising speed control. acquired. Thus, for this, as described for example in DE 19819709 C2 or DE 10338506 B4, no air must be contained between the plastic layers. Furthermore, in order not...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C45/16B29C45/14C23C14/14H01Q1/42B29L31/30
CPCB29C45/14336B29C45/16B29C45/1671C23C14/14H01Q1/42B29K2995/0025B29L2031/3005G01S2013/93271B60Q1/543B29L2031/3456B29C2045/0093B29C2045/1673B29K2995/0026H01Q1/3233F21S43/14F21S43/16B60Q1/2661H01Q1/3283G01S7/027G01S13/931B29C45/14467B29C45/14631B29C45/14639B29C45/14811B60Q1/28
Inventor S.盖泽
Owner ROBERT BOSCH GMBH
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