Millimeter-Wave Reversing Radar Layout for Hidden Bumper Mounting
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Solution Overview
Problem
Existing car-reversing radars cannot provide a stable signal transmission while maintaining the aesthetic appearance of the car, as mounting them on the bumper requires a hole, which is aesthetically undesirable.
Innovation Solution
A millimeter wave car-reversing radar design with a heat dissipation support, antenna board, and power board stacked within a housing, allowing for compact installation on the car frame, with a strong signal penetration ability to bypass the bumper, and featuring a heat dissipation and loading support structure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the radar is mounted on the car bumper, then the signal transmission stability is improved, but the aesthetic appearance of the car is deteriorated due to the hole in the bumper
Solution Approach 1:
The radar is extracted from the bumper mounting location and relocated to the car frame. This removes the harmful effect (hole in bumper affecting appearance) while preserving the useful effect (stable signal transmission). The radar unit is completely separated from the bumper, eliminating the need for any openings in the bumper structure.
Solution Approach 2:
The car frame serves as an intermediary mounting location between the radar and the car body. By mounting the radar on the car frame rather than directly on the bumper, the system achieves stable signal transmission while avoiding direct interference with the bumper's aesthetic appearance. The car frame acts as a mediating structure that supports the radar without requiring modifications to the bumper.
2Shape
If the radar is mounted on the car frame in a narrow gap, then the aesthetic appearance is preserved, but the signal transmission stability may be compromised
Solution Approach 1:
The radar signal transmission is extended into a new dimension by utilizing the narrow gap between the car frame and bumper. The millimeter wave radar can transmit signals through this narrow spatial dimension, allowing the radar to be mounted in locations that were previously unsuitable. This dimensional approach enables both aesthetic preservation and signal stability.
Solution Approach 2:
The patent utilizes the specific parameters of millimeter wave radar (wavelength, penetration capability) to enable signal transmission through narrow gaps and the bumper material itself. By leveraging the physical parameters of millimeter waves, the system achieves reliable signal transmission even when mounted in constrained spaces that preserve aesthetic appearance.
3Volume of moving object
If the radar components are arranged in a compact stacked configuration, then the installation space is reduced, but the heat dissipation becomes more challenging
Solution Approach 1:
The radar system is segmented into distinct functional modules (antenna board, power board, heat dissipation support) that are stacked vertically. This segmentation allows each component to have its own heat dissipation pathway while maintaining compact overall dimensions. The heat dissipation support is specifically designed as a separate element to manage thermal loads from the stacked components.
Solution Approach 2:
The heat dissipation support serves multiple functions: it provides structural support for the stacked boards, acts as a heat dissipation pathway for thermal management, and maintains the compact stacked configuration. This multi-functionality resolves the contradiction by integrating heat dissipation capabilities into the space-constrained stacked design without requiring additional volume.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The radar provides stable car reversing and parking prompts without affecting the car's appearance, reducing collision risks and enhancing safety by ensuring reliable signal transmission through narrow gaps.
Implementation Method 1
an antenna board provided on one side of the heat dissipation support and capable of transmitting and receiving a millimeter wave signal
Implementation Method 2
a heat dissipation support, an antenna board provided on one side of the heat dissipation support
Data Source
AI summary
An antenna board capable of transmitting and receiving millimeter wave signals is provided and the antenna board and a power board are respectively provided on both sides of a heat dissipation support, a radar interface terminal is configured to be electrically connected to the power board, and a housing is provided for accommodating and fixing components such as the power board, so that the millimeter wave car-reversing radar can not only penetrate components such as a bumper, and even if the millimeter wave car-reversing radar is mounted on a car frame, detection and car reversing and parking prompt reminding functions of the radar are likewise not affected.