Radio Wave Measurement Device Thermal Management
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Solution Overview
Problem
Current radio wave measurement devices face challenges in achieving high sensitivity due to thermal radiation noise from non-targeted electromagnetic waves, as they are typically operated at low temperatures without effective means to exhaust heat, leading to reduced sensitivity and increased cooling loads.
Innovation Solution
The implementation of an electromagnetic wave vacuum reflection thermal insulation method, where a radiation-blocking filter and a radio wave-transparent material are used to reflect non-targeted electromagnetic waves as heat, which is then efficiently exhausted, allowing targeted radio waves to be measured with high sensitivity by a radio wave detector within a vacuum vessel.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If the window aperture is enlarged to improve sensitivity, then the sensitivity of radio wave measurement is improved, but the heat intrusion increases making it difficult to maintain low temperature
Solution Approach 1:
The patent divides the window structure into multiple functional layers: a radiation-blocking filter layer and a radio wave-transparent material layer. This segmentation allows each layer to perform its specific function - the filter blocks thermal radiation while the transparent material allows radio waves to pass, thereby resolving the contradiction between large aperture for sensitivity and temperature control.
Solution Approach 2:
The patent applies different material properties to different parts of the window structure. The radiation-blocking filter has high thermal radiation blocking properties, while the radio wave-transparent material has high radio wave transmission properties. This local differentiation of material qualities enables the window to simultaneously achieve large aperture for sensitivity and effective thermal isolation.
2Temperature
If a refrigerating machine is used to cool the filter, then the filter temperature is reduced, but the cooling load increases significantly
Solution Approach 1:
The patent converts the harmful thermal radiation from non-targeted electromagnetic waves into beneficial reflected heat that is directed back toward the filter and efficiently exhausted. By using the radio wave-transparent material to reflect thermal radiation, the system reduces the cooling load on the refrigerating machine while maintaining low filter temperature.
Solution Approach 2:
The radio wave-transparent material acts as an intermediary that reflects thermal radiation from non-targeted electromagnetic waves back toward the filter. This intermediary component enables efficient heat exhaustion without requiring additional cooling capacity from the refrigerating machine.
3Object-affected harmful factors
If optical glass or plastic filters are used to block radiation, then thermal radiation is blocked, but radio wave transmission is reduced due to high refractive index and reflection
Solution Approach 1:
The patent changes the material parameter selection by using a radiation-blocking filter with high thermal radiation blocking capability combined with a radio wave-transparent material with high radio wave transmission and low reflection. This parameter optimization resolves the contradiction between blocking thermal radiation and transmitting radio waves effectively.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This configuration significantly reduces the cooling load to one-tenth of existing systems, enabling radio wave measurements with sensitivity ten times higher and maintaining an extremely low temperature inside the vacuum vessel, while minimizing noise from thermal radiation.
Implementation Method 1
a radiation-blocking filter disposed beneath the window, a radio wave-transparent material disposed beneath the radiation-blocking filter... a non-targeted electromagnetic wave included in the transmitted radio waves is reflected toward the radiation-blocking filter by the radio wave-transparent material
Implementation Method 2
a non-targeted electromagnetic wave included in the transmitted radio waves is reflected toward the radiation-blocking filter by the radio wave-transparent material and collected as heat into the radiation-blocking filter
Implementation Method 3
collected as heat into the radiation-blocking filter, and then the heat is exhausted out of the system via thermal conduction of the radiation-blocking filter
Implementation Method 4
the heat is exhausted out of the system via thermal conduction of the radiation-blocking filter
Implementation Method 5
enabling cooling and having a window through which a radio wave is allowed to enter... maintaining an extremely low temperature inside the vacuum vessel
Data Source
Figure 1
Figure 2
Figure 3(A)~3(B)
AI summary
[Problem to be Solved] The present invention provides a radio wave measurement device enabling highly sensitive measurements of radio waves at an extremely low temperature. [Solution] The radio wave measurement device has a radiation-blocking filter through which a targeted radio wave is transmitted, a radio wave-transparent material to reflect a non-targeted electromagnetic wave included in radio waves, and a radio wave detector which are placed in a vacuum vessel, in which the radio waves are transmitted through the radiation-blocking filter, the non-targeted electromagnetic wave included in the radio waves is reflected toward the radiation-blocking filter by the radio wave-transparent material and collected as heat into the radiation-blocking filter, and the heat is exhausted out of the system, allowing the radio waves transmitted through the radio wave-transparent material to be measured with high sensitivity by the radio wave detector.