Satellite Antenna Enclosure Cooling With Bottom-Supply Airflow

Solution Overview

Problem

Traditional air conditioning systems for satellite antennas are inadequate in managing heat generated by amplifiers and ambient conditions, leading to overheating issues for electronic components.

Innovation Solution

An air conditioning system with a bottom-supply, top-return design using redundant evaporators and common supply and return plenums to efficiently provide conditioned air to enclosures housing electronic components, promoting efficient airflow and redundancy.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Temperature

If traditional air conditioning systems are used for satellite antennas, then the system structure is simple, but the heat management is inadequate leading to overheating of electronic components

Engineering Contradiction:
Core Design Contradiction:
TemperatureVSReliability

Solution Approach 1:

The air conditioning system is divided into multiple independent evaporators (primary and secondary) that can operate separately or together. Each evaporator has its own cooling circuit and control system, allowing the system to segment the cooling function to improve reliability and temperature management effectiveness.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

A secondary evaporator is installed as a pre-prepared backup cooling source. When the primary evaporator fails or during high-heat conditions, the secondary evaporator automatically activates to provide cushioning protection against overheating, ensuring continuous reliable cooling of electronic components.

Inventive Principle:
Principle #11Beforehand cushioning (Prior cushioning)

2Productivity

If amplifiers are located directly on the antenna, then signal transmission efficiency improves, but heat generation at the antenna location increases

Engineering Contradiction:
Core Design Contradiction:
ProductivityVSObject-generated harmful factors

Solution Approach 1:

An dedicated air conditioning system with supply and return air ducts acts as an intermediary between the amplifier (heat source) and the antenna enclosure. The system introduces conditioned cool air to the amplifier area and removes hot air, mediating the thermal environment to allow efficient amplifier operation without overheating the antenna location.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Reliability

If inadequate air conditioning is provided, then the system complexity is low, but electronic components overheat and fail

Engineering Contradiction:
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The air conditioning system combines multiple functions into a unified design: the supply air duct distributes conditioned air to multiple locations within the antenna enclosure, the return air duct collects hot air from different sources, and the evaporators provide both primary and backup cooling. This merging of functions achieves high reliability without proportionally increasing complexity.

Inventive Principle:
Principle #5Merging (Combining)

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

The system effectively maintains electronic components at a desired operating temperature, reducing the risk of overheating and providing reliable, redundant cooling, even in the event of evaporator failure.

Implementation Method 1

an air conditioning system coupled to the bottom of the enclosure and to the top of the enclosure, and configured to supply conditioned air to the bottom of the enclosure and to receive return air from the top of the enclosure

Methodology Applied
Scientific EffectHeat removal (refrigeration): Cooling

Implementation Method 2

supply conditioned air to the bottom of the enclosure and to receive return air from the top of the enclosure for improved airflow

Methodology Applied
Scientific EffectConvection: Convection

Data Source

PatentUS8794022B2Systems and methods for providing air conditioning to an electronic component in a satellite antenna installation
Publication Date: 2014.08.05
  • US8794022B2 patent drawing
  • US8794022B2 patent drawing
  • US8794022B2 patent drawing

AI summary

An air conditioning system provides air to an enclosure associated with a satellite antenna that houses an amplifier or other electronic component. The air conditioning system supplies conditioned air to the bottom of the enclosure and receives return air from the top of the enclosure for improved airflow. Various implementations may also provide redundancy through the use of common supply and return plenums, or other features. In some embodiments, the air conditioning system may be conveniently retrofit onto existing satellite antenna installations to provide improved efficiency and redundancy.