Integrated Heat Exchanger for Base Station Cabinet Thermal Management
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Solution Overview
Problem
Conventional heat exchangers have high manufacturing costs and low manufacturing efficiency due to the need for separate components and complex assembly processes.
Innovation Solution
A heat exchanger design featuring a vapor collection pipe, liquid collection pipe, and an exchange pipeline with integrated condensing, evaporation, and transition sections forming a 'Z'- or 'S'-shaped configuration, allowing for efficient heat transfer and vapor-liquid separation, reducing components and assembly complexity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If the evaporator and condenser are manufactured as independent components with connection pipelines, then the heat exchanger can be assembled, but the manufacturing cost increases and manufacturing efficiency decreases
Solution Approach 1:
The patent merges the evaporator and condenser into a single integrated heat exchanger component with unified manufacturing. The connection pipelines are eliminated by directly forming the fluid passage channels within the integrated structure, allowing the heat exchanger to be manufactured as one piece rather than assembling multiple separate components with welded connections.
2Device complexity
If the evaporator and condenser are manufactured as independent components, then the design is flexible, but the structure becomes complex and assembly is difficult
Solution Approach 1:
The patent combines multiple functional components (evaporator, condenser, connection pipelines) into a single integrated heat exchanger structure. This merging eliminates the need for complex assembly operations such as welding connection pipelines between separate components, thereby reducing both structural complexity and assembly difficulty.
3Reliability
If separate components are used, then each component can be optimized independently, but the overall heat exchange efficiency is reduced due to heat loss in connection pipelines
Solution Approach 1:
The patent integrates the evaporator and condenser into a single structure with direct internal fluid passage channels, eliminating the external connection pipelines that cause heat loss. This merging ensures that the refrigerant flows directly from the evaporator to the condenser without heat loss to the surrounding environment, thereby improving heat exchange efficiency and reducing energy loss.
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 design enhances heat exchange efficiency, simplifies the structure, reduces manufacturing costs, and improves assembly efficiency, leading to optimized volume and performance.
Implementation Method 1
The phase change working substance absorbs heat in the hot environment, and undergoes a transform process from a liquid state to a vapor state
Implementation Method 2
the vapor phase change working substance in the condensing section and the vapor collection pipe can fully release heat to the cold environment, be transformed to a liquid phase change substance after the heat release process
Implementation Method 3
a heat exchanger exists in an outdoor cabinet of a communications base station, to transfer heat generated in the outdoor cabinet to the outside of the cabinet
Data Source
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AI summary
This application belongs to the field of heat exchange device technologies, and in particular, to a heat exchanger, a cabinet, and a communications base station. The heat exchanger includes a vapor collection pipe, a liquid collection pipe, and an exchange pipeline. The exchange pipeline includes a condensing section, an evaporation section, and a transition section. An upper end of the condensing section is connected to the vapor collection pipe. A lower end of the condensing section is connected to a first end of the transition section. An upper end of the evaporation section is connected to a second end of the transition section. A lower end of the evaporation section is connected to the liquid collection pipe. The evaporation section and the condensing section respectively extend in directions opposite to each other. An included angle between an axis of the evaporation section and an axis of the transition section is greater than or equal to 60° and less than 180°. An included angle between an axis of the condensing section and the axis of the transition section is greater than or equal to 60° and less than 180°. For the heat exchanger, heat exchange efficiency of the heat exchanger is improved, and structure simplification and volume optimization of the heat exchanger are also implemented, to reduce the manufacturing costs of the heat exchanger and improve manufacturing efficiency of the heat exchanger.