Cross-Type Transmission Module With Edge Groove for Director Placement
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Solution Overview
Problem
Conventional cross-type transmission modules with vertically intersected circuit boards face design flexibility limitations due to fixed connection groove positions and dimensions, restricting the placement of directors which can affect signal gain.
Innovation Solution
The cross-type transmission module design involves laterally intersecting circuit boards with a connection groove, allowing for flexible positioning and length adjustment, enabling the placement of directors parallel to antennas, thereby improving signal gain without increasing costs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If circuit boards are vertically intersected via a connection groove, then structural stability is improved, but design flexibility deteriorates due to fixed groove position and dimension
Solution Approach 1:
The patent transitions from vertical intersection to lateral intersection of circuit boards, changing the spatial dimension of assembly. This dimensional change allows the connection groove to be positioned at the edge rather than the center, providing flexible positioning and dimensions while maintaining structural stability through the lateral joining configuration.
2Ease of manufacture
If a connection groove is used to intersect circuit boards, then ease of manufacture is improved, but signal gain deteriorates due to inability to place directors
Solution Approach 1:
The patent extracts the connection groove from the center position and relocates it to the edge of the circuit board. This extraction removes the obstruction that prevented director placement, allowing directors to be positioned along the full length of the antenna elements, thereby improving signal gain while maintaining ease of assembly through the groove-based connection method.
3Strength
If the connection groove is positioned in the midst of the circuit board, then structural support is improved, but director placement deteriorates due to groove obstruction
Solution Approach 1:
The patent employs asymmetric positioning of the connection groove at the edge of the circuit board rather than in the center. This asymmetric arrangement creates unobstructed space for director placement along the antenna elements while maintaining adequate structural support through the edge-based connection configuration.
Data Source
AI summary
A method for assembling a cross-type transmission module is provided, which includes the following steps. First, a first circuit board and a second circuit board are provided, wherein the first circuit board includes a first antenna, and the second circuit board includes a first groove and a second antenna. Then, the first circuit board is inserted partially through the first groove along an insertion direction to connect the first circuit board to the second circuit board, wherein the first circuit board is on a first plane, the second circuit board is on a second plane, an included angle θ is formed between the insertion direction and the second plane, and the included angle is not zero. In this embodiment, the included angle is 90 degrees, and the second plane is perpendicular to the first plane.