Waveguide antenna sensor component for a radar sensor

The integration of a metallized plastic waveguide antenna within a plastic sensor housing addresses integration and material efficiency issues, resulting in a robust and cost-effective waveguide antenna sensor component for radar applications.

WO2025017106A1PCT designated stage expired Publication Date: 2025-01-23VALEO SCHALTER & SENSOREN GMBH
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Patent Information

Application Number
PCT/EP2024/070342
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Priority Date
2023-07-20
Filing Date
2024-07-18
Publication Date
2025-01-23

AI Technical Summary

Technical Problem

Waveguide antennas for radar sensors face challenges in integration and material usage due to size mismatches and the need for additional components, leading to inefficient use of materials and potential instability in installation.

Method used

A method involving a metallized plastic waveguide antenna integrated into a plastic sensor housing via injection molding, where the housing surrounds the waveguide antenna and includes a front panel to frame the metallized section, allowing for size customization and material savings, while also providing protection and heat dissipation, and incorporating electronic components and fastening elements.

Benefits of technology

This approach results in a robust, efficient, and cost-effective waveguide antenna sensor component that conserves metal usage, facilitates easy installation, and enhances protection and heat management, suitable for various radar applications.

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Abstract

The invention discloses a method for producing a waveguide antenna sensor component (100) for a radar sensor. The method comprises providing a waveguide antenna (102) in the form of a metallized plastics waveguide antenna (100) and producing a sensor housing (120), which surrounds the waveguide antenna (102), from plastic by means of injection moulding. The sensor housing (102) encompasses an edge portion (108) of the waveguide antenna (102) and has a front panel (122), which encloses a metallized front portion (106) of the waveguide antenna (102).
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Citation Information

Patent Citations

  • Radar antenna

    US20220231423A1

  • Antenna slot array configurations and related vehicle sensor signal patterns

    US20230194703A1