Antenna Element Cooling with Synchronized Thermoelectric Control
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Solution Overview
Problem
Conventional communication apparatuses face challenges in thermal management, particularly for millimeter wave communication systems, due to heat generation from advanced electronic components, which leads to performance issues and increased maintenance costs, especially when deployed outdoors.
Innovation Solution
The implementation of a communication apparatus with thermoelectric devices that provide adaptive cooling for antenna elements, allowing for intelligent temperature control based on operational states and environmental factors, reducing the need for bulky cooling systems and optimizing power consumption.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If conventional heatsinks and fans are used for cooling communication systems, then cooling effectiveness is improved, but device size increases and maintenance cost increases
Solution Approach 1:
The patent replaces conventional mechanical cooling systems (heatsinks and fans) with a thermoelectric cooling device that uses electrical current to generate cooling effects through the Peltier effect. This substitution eliminates moving parts and bulky heat dissipation structures, thereby reducing device size while maintaining cooling effectiveness.
Solution Approach 2:
The patent employs thermoelectric devices that convert electrical parameters (current direction and magnitude) into thermal parameter changes (cooling/heating effects). By controlling the electrical current applied to different regions of the antenna array, the system can dynamically adjust cooling intensity without changing the physical size of the cooling apparatus.
2Temperature
If conventional heatsinks and fans are used for cooling communication systems, then cooling effectiveness is improved, but maintenance cost increases
Solution Approach 1:
The thermoelectric cooling device replaces mechanical components (fans with bearings, motors, heat sinks with large surface areas) with solid-state semiconductor devices that have no moving parts. This eliminates wear and tear, reduces failure points, and simplifies maintenance, thereby reducing long-term maintenance costs.
Solution Approach 2:
The thermoelectric cooling system can be controlled based on real-time temperature monitoring of the antenna elements, allowing it to activate only when cooling is needed. This on-demand operation reduces energy consumption and extends device lifespan, indirectly reducing maintenance requirements.
3Use of energy by moving object
If adaptive cooling is applied to different subsets of antenna elements, then power consumption is optimized, but device complexity increases
Solution Approach 1:
The patent divides the antenna array into multiple subsets or regions, each equipped with its own thermoelectric cooling device. This segmentation allows independent control of cooling in different areas, enabling the system to apply cooling only where and when needed, thereby optimizing power consumption. The modular structure manages complexity by creating independent, controllable units.
Solution Approach 2:
Different regions of the antenna array receive different cooling intensities based on their specific thermal conditions and operational states. The system applies localized cooling control, adjusting the cooling power for each subset according to its temperature and activity level, which optimizes overall power consumption while managing system complexity through distributed control.
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 solution maintains antenna temperatures within a specified range, enhancing performance reliability, reducing maintenance costs, and preventing performance losses due to high temperatures, while being scalable, lightweight, and flexible.
Implementation Method 1
a thermoelectric device coupled to the antenna element
Data Source
AI summary
A communication apparatus includes an antenna array having a plurality of antenna elements, and a plurality of thermoelectric devices that are arranged on the plurality of antenna elements of the antenna array. The communication apparatus further includes a processor that determines which subset of the antenna elements of the plurality of antenna elements are in an activated state and which are in a deactivated state, and further control each of the plurality of thermoelectric devices to execute an activation or a deactivation of each of the plurality of thermoelectric devices in synchronization with the activated state or the deactivated state of different subsets of antenna elements of the plurality of antenna elements.