Antenna Grounding Structure With Segmented Mounting Pieces
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Solution Overview
Problem
Existing antenna devices face challenges in achieving desired antenna characteristics while efficiently mounting a grounding unit with a certain width on an antenna substrate, as the heat from soldering diffuses over a wide area, increasing mounting time and potentially degrading antenna performance.
Innovation Solution
The antenna device incorporates a grounding unit with a grounding body connected to the antenna unit and a mounting unit with multiple spaced-apart mounting pieces, allowing for easier and faster mounting by reducing solder heat diffusion and maintaining desired antenna characteristics.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the grounding unit is made with a certain width to secure a desired frequency band, then the antenna characteristics are improved, but the heat of solder diffuses over a wide area which increases mounting time
Solution Approach 1:
The grounding unit is divided into a grounding body and multiple mounting pieces that are spaced apart. The mounting pieces are further divided into multiple separate contact points on the antenna substrate. This segmentation allows the grounding unit to maintain its width for electrical performance while reducing heat diffusion during soldering, as the heat is distributed across multiple smaller contact points rather than a continuous wide area.
2Reliability
If the grounding unit has a certain width to secure a desired frequency band, then the antenna characteristics are improved, but the heat diffusion increases making mounting more difficult
Solution Approach 1:
The grounding unit is segmented into a grounding body and multiple discrete mounting pieces. Each mounting piece has multiple contact points on the antenna substrate, creating distributed solder joints. This segmentation maintains the overall width of the grounding unit for electrical performance while making mounting easier by distributing the soldering workload across multiple smaller, manageable contact points.
Solution Approach 2:
Different parts of the grounding unit have different functions: the grounding body provides the wide electrical connection for antenna characteristics, while the mounting pieces provide localized, discrete mounting points that are easier to solder. This local quality differentiation allows each part to optimize its function - the grounding body for electrical performance and the mounting pieces for manufacturing ease.
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
This configuration enables the achievement of desired antenna characteristics and reduces the time required to mount the grounding unit on the substrate, while minimizing the impact on antenna performance.
Implementation Method 1
heat tends to diffuse over the whole antenna element... the heat of the solder may diffuse over a wide area of the antenna element
Data Source
AI summary
An antenna element of an antenna device includes an antenna unit that is arranged at a position separated by a predetermined length in a first direction that is a direction perpendicular to a substrate surface of an antenna substrate from the substrate surface. Further, the antenna element includes a grounding unit that is connected continuous to the antenna unit and grounded to the antenna substrate. Further, the grounding unit is provided with a grounding body that is connected continuous to the antenna unit on one side in the first direction, and a mounting unit that is connected continuous to the other side of the grounding body in the first direction and mounted on the antenna substrate. Further, the mounting unit is provided with a plurality of mounting pieces that are spaced apart along a second direction intersecting the first direction.