Radar Assembly Layout for Pre-Encapsulation Testing Access
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Solution Overview
Problem
Conventional radar structures face challenges in efficient testing and assembly, leading to increased manufacturing costs due to difficulty in disassembling defective components without damaging the PCBA, resulting in scrapping of entire assemblies.
Innovation Solution
A radar structure comprising a radome, circuit board, and shielding cover with an opening region for direct electrical connection, allowing pre-assembly testing and component replacement, and a testing method using a tool for efficient testing and data measurement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the radar structure is assembled with all components including encapsulation cover, then the product is complete and ready for final use, but testing becomes difficult and component replacement damages the PCBA
Solution Approach 1:
The radar structure is divided into distinct modular components: radome, circuit board assembly, shielding cover, and encapsulation cover. This segmentation allows individual components to be tested and replaced independently without affecting the entire assembly, resolving the contradiction between product completeness and component replaceability.
Solution Approach 2:
Testing is performed on the circuit board assembly before final encapsulation. This preliminary action allows defects to be identified and components to be replaced while the structure is still accessible, avoiding damage to the PCBA that would occur if disassembly were attempted after full assembly.
2Reliability
If the entire radar structure is scrapped when testing fails, then defective components are removed, but manufacturing cost increases and time is wasted
Solution Approach 1:
The modular segmented design allows only the defective component or circuit board to be replaced rather than scrapping the entire radar structure. This significantly reduces manufacturing costs and waste while maintaining reliability by removing defective parts.
Solution Approach 2:
Instead of discarding the entire radar structure when a defect is found, the invention allows recovery and reuse of non-defective components. Only the specific defective component or circuit board is replaced, while other components are recovered and reused in new assemblies.
3Stability of the object's composition
If the radome and circuit board are tightly assembled, then the product structure is stable, but testing accessibility is reduced
Solution Approach 1:
Testing is performed on the circuit board assembly while it is still accessible during the assembly process, before the encapsulation cover is installed. This preliminary testing action ensures structural stability in the final product while maintaining testing accessibility during manufacturing.
Solution Approach 2:
The assembly process is designed with dynamic accessibility - the structure transitions from an accessible state during assembly/testing to a sealed stable state in final operation. The encapsulation cover is installed only after testing is complete, allowing the structure to be both testable and stable at different stages.
Data Source
AI summary
A radar includes a radome, a circuit board, a shielding cover, and an encapsulation cover. The radome includes a receiving space and a wave transmitting face. The circuit board is received in the receiving space. The circuit board includes a first surface having an antenna area and facing the wave transmitting face. The circuit board further includes a second surface having a connection region. The shielding cover is disposed over the second surface of the circuit board and includes an opening region aligned with the connection region. The encapsulation cover includes at least one connecting element which is electrically connected to the connection region via the opening region. At least one testing element is aligned with and electrically connected to the connection region via the opening region to perform a radar test. Thus, the manufacturing cost is saved, and the testing efficiency is enhanced.