Rail Vehicle Antenna Electrant Mounting Integration
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Solution Overview
Problem
Existing antenna arrangements for rail vehicles are complex and require numerous additional components for assembly, which complicates the installation process and obstructs signal transmission and reception due to obstacles.
Innovation Solution
An antenna arrangement where an electrant on the rail vehicle's roof supports an antenna, connected via an antenna radiating plate to minimize assembly complexity and ensure unobstructed signal transmission, with a watertight electrical connection using sockets and seals to reduce component count and optimize signal reception.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If antennas are mounted on separate holders or HVAC systems with protective hoses and screw connections, then the antennas can be installed on the roof, but the assembly becomes complex and requires numerous additional components
Solution Approach 1:
The electrant housing integrates multiple functions: it serves as both the mounting base for the antenna and as the protective enclosure containing the electrical interface. The antenna is firmly connected directly to the housing, eliminating the need for separate holders, mounting plates, and protective hoses, thereby reducing assembly complexity and component count.
2Reliability
If antennas are mounted above rooftop units, then unobstructed signal transmission is achieved, but roof space is consumed and neighboring units cannot be easily dismantled
Solution Approach 1:
The antenna system is designed as a modular unit that can be independently installed and removed from the electrant. The antenna is firmly connected to the housing but the entire assembly can be dismantled as a unit, maintaining signal transmission reliability while enabling easy removal and reinstallation without affecting neighboring roof units.
3Reliability
If conventional cable routing through roof openings is used, then electrical connection is established, but cable length increases and assembly time is extended
Solution Approach 1:
The electrical interface is extracted from the traditional cable routing path and integrated directly into the electrant housing. The socket is permanently installed in the housing, allowing cables to be connected directly at the antenna location rather than routing them through the vehicle interior, which shortens cable length and reduces assembly time.
Data Source
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AI summary
An antenna arrangement (10) is described. The antenna arrangement (10) includes an electrical outlet (1) located on the roof (2) of a rail vehicle (3). The antenna arrangement (10) also includes an antenna (4) attached to and rigidly connected to the electrical outlet (1). An electrical connection is established between the antenna (4) and an interior space of the rail vehicle (3) via the electrical outlet (1). A rail vehicle (3) is also described.