Rail-Type Portable Satellite Antenna for Precision Tracking
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Solution Overview
Problem
Conventional portable satellite communication antennas face challenges with high precision requirements due to factors like gravity, rotary inertia, and wind load, necessitating precise rotary clearance and complex mechanical structures, which result in instability and increased weight, making them difficult to carry and manufacture.
Innovation Solution
A rail-type portable satellite communication antenna design that integrates a rail base, supporting module, and driving module to achieve high precision in signal tracking while being lightweight and compact, featuring a ring-shaped rail base with grooves, holes, and teeth for precise movement, and a driving module with a motor and gear system for horizontal rotation and pitch adjustment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If conventional portable satellite communication antenna uses high precision rotary clearance mechanism, then signal tracking precision is improved, but device weight and complexity increase
Solution Approach 1:
The patent replaces the traditional mechanical rotary clearance mechanism with a rail-type guide structure combined with a simple rotation mechanism. The rail base with guide grooves provides precise positioning through geometric constraints rather than complex mechanical clearances, eliminating the need for high-precision harmonic gears and reducing overall device weight while maintaining signal tracking precision below 0.2 degrees
Solution Approach 2:
The antenna system is divided into modular components: a fixed rail base with guide grooves, a movable supporting module, and a communication module. This segmentation allows the precision function to be separated from the heavy mechanical transmission system, enabling lightweight design while maintaining tracking accuracy through the guide groove geometry
2Measurement precision
If conventional portable satellite communication antenna uses complex mechanical structure for high precision, then signal tracking precision is improved, but device stability deteriorates
Solution Approach 1:
The patent replaces complex mechanical transmission mechanisms with a rail-type guide structure that provides inherent stability through geometric constraints. The guide grooves in the rail base constrain the movement of the supporting module, providing stable positioning without complex mechanical linkages, thereby improving both precision and structural stability
Solution Approach 2:
The rail base incorporates curved guide grooves that guide the supporting module through precise arcs for azimuth and elevation adjustments. These curved paths provide stable, repeatable motion trajectories that maintain signal tracking precision while simplifying the mechanical structure compared to traditional rotary mechanisms
3Measurement precision
If conventional portable satellite communication antenna uses high precision rotary mechanism, then signal tracking precision is improved, but manufacturing difficulty increases
Solution Approach 1:
The patent replaces difficult-to-manufacture high-precision mechanical components with a rail-type guide structure that can be fabricated using standard machining processes. The guide grooves are cut directly into the rail base, eliminating the need for precision assembly of multiple mechanical parts and significantly simplifying manufacturing while maintaining sub-0.2 degree tracking precision
Solution Approach 2:
The patent merges the positioning and support functions into a single integrated rail base structure with guide grooves. This consolidation eliminates multiple separate components (mounting brackets, adjustment mechanisms, support legs) that would require complex assembly, thereby easing manufacturing while achieving the required precision through the unified guide groove geometry
4Stability of the object's composition
If conventional portable satellite communication antenna uses traditional support structure, then structural stability is improved, but portability deteriorates
Solution Approach 1:
The patent segments the support structure into a compact rail base and a movable supporting module that can be easily assembled and disassembled. The rail base provides stable support when deployed, while the modular design allows quick setup and teardown, significantly improving portability without sacrificing structural stability during operation
Solution Approach 2:
The supporting module is designed to be dynamically adjustable along the guide grooves of the rail base, allowing the structure to adapt its configuration for optimal stability during signal tracking. This dynamic adjustability provides stable support when needed while maintaining compact, portable dimensions for transport
Data Source
AI summary
Provided is a rail-type portable satellite communication antenna including an antenna communication module, a supporting module, a rail base and a driving module for driving the supporting module to rotate horizontally and to regulate its pitch angle; the rail base, the supporting module and driving module are located at bottom of the antenna communication module, the driving modules are located at each corner of the supporting module, the supporting module is connected slidably to the rail base. The rail-type portable satellite communication antenna features light weight, compact size, easy to carry and manufacture.