EMC Test Chamber Movable Antenna System
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Solution Overview
Problem
Conventional EMC measurement test chambers require extensive and costly modifications between different validation tests and measurement procedures, leading to complex, time-consuming processes, potential equipment damage, and unreliable reproducibility of measurement results due to the need for frequent installation and removal of test equipment.
Innovation Solution
A test chamber designed with multiple measurement arrangements and antennas that can be moved between rest and measurement positions, allowing for simultaneous arrangement of antennas and floor absorbers to accommodate various EMC measurement test procedures without the need for extensive modifications, ensuring standard-compliant performance and efficient operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If test equipment is frequently installed and removed to perform different validation tests, then the test chamber can accommodate various measurement procedures, but the complexity and time consumption increase significantly
Solution Approach 1:
The patent implements movable antenna systems that can be dynamically repositioned between different measurement positions within the test chamber. The antennas are mounted on movable supports allowing them to be moved along measurement axes to different positions, enabling the same physical infrastructure to serve multiple measurement configurations without physical reinstallation or removal of equipment
Solution Approach 2:
The patent creates a universal test chamber infrastructure where a single set of antennas and measurement arrangements can perform multiple different validation tests and measurement procedures. By providing antennas that can be positioned at multiple locations and orientations, the system achieves multi-functionality without requiring separate dedicated equipment for each test type
2Adaptability or versatility
If test equipment is frequently installed and removed, then different measurement procedures can be performed, but the time consumption and cost increase
Solution Approach 1:
The movable antenna system allows rapid repositioning between measurement configurations without the time-consuming process of physical installation and removal. The antennas can be moved along predefined paths and positions, enabling quick transitions between different measurement procedures while maintaining measurement quality and standard compliance
3Adaptability or versatility
If test equipment is frequently installed and removed, then various validation tests can be performed, but the risk of equipment damage increases
Solution Approach 1:
The movable antenna system eliminates the need for frequent physical installation and removal operations that risk damaging sensitive test equipment. The antennas remain permanently mounted on movable supports, reducing mechanical handling risks while maintaining the ability to perform various validation tests through repositioning
Solution Approach 2:
The system design anticipates potential damage risks by providing predefined movable paths and positions for the antennas. The movable supports are designed to protect the antennas during movement, and the system includes measures to prevent accidental damage during repositioning operations
4Adaptability or versatility
If test equipment is frequently installed and removed, then different measurement configurations can be achieved, but measurement quality and reproducibility may change
Solution Approach 1:
The movable antenna system maintains measurement quality and reproducibility by providing precisely controllable positions and orientations for the antennas. The movable supports enable accurate repositioning to standardized locations, ensuring that measurement conditions remain consistent across different test procedures while allowing configuration flexibility
Solution Approach 2:
The system establishes predefined measurement positions and configurations in advance, with antennas that can be moved to these predetermined locations. This preliminary setup of measurement positions ensures that when antennas are repositioned, they achieve the correct measurement geometry consistently, maintaining measurement quality across different validation tests
Data Source
AI summary
A test chamber for EMC measurement testing, a method for the validation and a method for performing EMC measurement tests in such a test chamber. In order to simplify the validation of an EMC test chamber and the performance of different EMC measurement test procedures in a single test chamber, the novel test chamber for the EMC measurement test is configured for performing different EMC measurement test procedures by providing a plurality of measurement arrangements with different measurement axes. A plurality of antennas are simultaneously arranged in the test chamber. Each of these antennas is assigned in each case to at least one of the measurement test procedures. In order to provide the measurement arrangement for the given measurement test procedure, each of these antennas can be moved from a rest position into a measurement position assigned to the measurement arrangement and back again.