Transformer Housing with Vertical Cooling Channels
Solution Overview
Problem
Current transformer housing designs face challenges in efficiently managing heat dissipation, particularly for high-output compact transformers, as natural cooling by convection is insufficient, and implementing forced cooling systems requires redesigning the entire cooling system, losing the benefit of natural cooling.
Innovation Solution
A modular housing design with vertically arranged cooling channels for a cooling medium that can accommodate both natural and forced convection, incorporating fans for improved internal and external circulation, and featuring a structure similar to a plate heat exchanger for efficient heat transfer, allowing for flexible expansion and modular components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If forced cooling systems are implemented for high-output transformers, then heat dissipation capability is improved, but device complexity and loss of natural cooling benefit occur
Solution Approach 1:
The cooling system allows dynamic transition between natural convection mode and forced convection mode. The housing structure enables natural cooling when sufficient, and can be enhanced with forced cooling measures only when needed, avoiding permanent complexity
Solution Approach 2:
The system can change operating parameters by adjusting cooling intensity. The housing design accommodates variable cooling requirements based on transformer load and ambient conditions, allowing optimization between natural and forced cooling approaches
2Temperature
If forced cooling measures are added to housing, then heat dissipation is improved, but natural cooling capability is lost
Solution Approach 1:
The cooling system is designed to be dynamic rather than static. The housing structure maintains natural convection pathways while allowing optional forced cooling enhancement, enabling the system to adapt between cooling modes based on operational requirements
3Volume of moving object
If compact housing design is used for high-output transformers, then space efficiency is improved, but natural cooling sufficiency deteriorates
Solution Approach 1:
The housing is segmented into functional zones with optimized cooling channels and air flow paths. The compact design incorporates divided cooling sections that maintain effective heat dissipation despite reduced overall volume
Solution Approach 2:
The cooling system utilizes vertical dimension with upward air flow channels and strategically positioned inlet/outlet openings. By optimizing three-dimensional air flow paths, the compact housing achieves sufficient cooling performance
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
Enables both natural and forced cooling of transformers, ensuring effective heat dissipation regardless of power loss or ambient temperature changes, while maintaining modularity and ease of expansion.
Implementation Method 1
vertically arranged channels for a cooling medium which flows around the electrical machine
Implementation Method 2
featuring a structure similar to a plate heat exchanger for efficient heat transfer
Data Source
Figure 1~2
Figure 3~4
AI summary
The invention relates to a housing for an electric machine (10), in particular for an electric power transformer (12), for example a dry-type transformer, wherein cooling channels (26, 28) are provided within the housing (18) through which cooling fluid flows, wherein both the electric machine (10) and a cooling system (20) are arranged in the housing (18), wherein vertically arranged first and second channels (24, 26) are provided for the cooling medium which flows around the electric machine (12), wherein the housing (18) accommodating the electric machine (10) and the cooling system (20) forms at least a partially hermetic encapsulation.