Monolithic Linkage Mechanism for Base Station Antenna Phase Adjustment

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Solution Overview

Problem

Existing base station antennas face challenges in efficiently adjusting phase settings for omnidirectional coverage across multiple frequency bands due to complex and bulky linkage mechanisms, which complicate assembly and increase costs and tolerances.

Innovation Solution

A monolithic linkage device with a flange and coupling portion is introduced, simplifying assembly and reducing weight and cost by integrating multiple components into a single structure, allowing for precise phase adjustment through a guide system that connects to a drive mechanism, enabling synchronous phase adjustment across multiple backplanes.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If traditional multi-component linkage mechanisms are used to adjust phase settings, then synchronous phase adjustment across multiple backplanes is achieved, but device complexity and assembly difficulty increase significantly

Engineering Contradiction:
Improvesynchronous phase adjustmentVSAvoidlinkage mechanism complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent combines multiple separate linkage components into a single integrated monolithic linkage device. This single piece includes all necessary mounting portions, guides, and coupling elements that were previously separate components, thereby reducing assembly steps and tolerance accumulation while maintaining synchronous phase adjustment capability across multiple backplanes

Inventive Principle:
Principle #5Merging (Combining)

2Adaptability or versatility

If multiple separate components are used in the linkage mechanism, then adaptability to complex space environment is achieved, but assembly time and specialized tools requirements increase

Engineering Contradiction:
Improveadaptability to space environmentVSAvoidassembly time
Core Design Contradiction:
Adaptability or versatilityVSLoss of time

Solution Approach 1:

The monolithic linkage device integrates all functional elements into one piece, eliminating the need for multiple assembly steps and specialized tools. The single component design maintains adaptability to the complex internal space environment while dramatically reducing assembly time and eliminating the need for specialized assembly tools

Inventive Principle:
Principle #5Merging (Combining)

3Ease of manufacture

If multiple separate components are used in the linkage mechanism, then mounting flexibility is achieved, but manufacturing cost and weight increase

Engineering Contradiction:
Improvemounting flexibilityVSAvoidnumber of components
Core Design Contradiction:
Ease of manufactureVSQuantity of substance

Solution Approach 1:

The patent consolidates multiple separate linkage components into a single monolithic device, reducing the total quantity of components and associated fasteners. This integration maintains mounting flexibility through built-in mounting portions while reducing manufacturing cost by eliminating multiple machining operations and assembly steps

Inventive Principle:
Principle #5Merging (Combining)

4Ease of operation

If traditional linkage mechanisms with multiple components are used, then phase adjustment capability is achieved, but tolerance accumulation and accuracy decrease

Engineering Contradiction:
Improvephase adjustment capabilityVSAvoidphase shifter accuracy
Core Design Contradiction:
Ease of operationVSManufacturing precision

Solution Approach 1:

The monolithic linkage device eliminates tolerance accumulation by integrating all linkage elements into a single precision-machined component. The guides and mounting portions are precisely positioned within the single piece, ensuring accurate phase adjustment without the tolerance stacking that occurs when multiple separate components are assembled

Inventive Principle:
Principle #5Merging (Combining)

Data Source

PatentUS10615488B2Linkage mechanism for base station antenna
Publication Date: 2020.04.07 OUTDOOR WIRELESS NETWORKS LLC
  • US10615488B2 patent drawing
  • US10615488B2 patent drawing
  • US10615488B2 patent drawing

AI summary

A linkage device of a linkage mechanism for a base station antenna is integrally formed with: a body; a flange extending outwardly from the body; a mounting portion suspended from the body and configured to mount the linkage device into the base station antenna, and a coupling portion disposed on the body and configured to couple the linkage device to a drive mechanism of the base station antenna, wherein the flange is formed with a guide configured to cause operation of a phase shifter of the base station antenna.