Frameless Transformer Lifting Structure With Directed Airflow Cooling
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Solution Overview
Problem
The existing transformer device configuration requires a highly rigid frame body to support the weight of the transformer, leading to increased manufacturing costs due to the need for firm connection of suspension bolts to the frame body.
Innovation Solution
A transformer device design featuring a suspension tool attachment unit connected to the core, allowing the weight to be exerted on this unit during lifting, eliminating the need for a frame around the transformers, thus reducing manufacturing costs and enhancing cooling efficiency through frameless construction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a frame body is used to support the transformer weight, then the transformer device can be lifted and transported, but the manufacturing cost increases due to the need for highly rigid frame structure
Solution Approach 1:
The patent removes the frame body from the transformer device structure. Instead of using a frame to support the transformer weight during lifting, the invention directly connects the suspension tool to the core of the third phase transformer, extracting the unnecessary frame component and reducing manufacturing cost while maintaining lifting capability.
Solution Approach 2:
The core of the third phase transformer serves dual functions: it acts as both the functional core for power transformation and as the suspension support structure. By making the core multi-functional, the patent eliminates the need for a separate frame body, thereby reducing manufacturing cost while preserving lifting capability.
2Ease of operation
If a frame body surrounds the stack, then the transformer device can be transported, but the structure becomes complex and manufacturing cost increases
Solution Approach 1:
The patent extracts and removes the frame body from the transformer device. The suspension tool is directly attached to the core without any surrounding frame structure, simplifying the overall device structure while maintaining the ability to lift and transport the transformer.
Solution Approach 2:
The core serves multiple functions including power transformation and structural support for suspension. This multi-functionality eliminates the need for a separate frame structure, reducing device complexity while preserving transportability.
3Force
If a frame body is used to support the transformer, then the weight can be distributed, but the manufacturing cost increases
Solution Approach 1:
The core of the third phase transformer is designed to serve dual purposes: functional power transformation and structural weight support. By making the core multi-functional, the patent achieves weight distribution without requiring a separate frame structure, thereby reducing manufacturing cost while maintaining proper force distribution.
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 design reduces manufacturing costs by simplifying the structure and improves cooling efficiency by allowing smoother airflow around the transformers, while maintaining effective weight distribution during lifting operations.
Implementation Method 1
An air flow is formed such that air flows into the internal space through the first opening and is discharged to the space outside the internal space through the second opening
Data Source
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AI summary
A transformer device includes: a transformer (41) including a core (42) and a coil (46); a suspension tool attachment unit (32) disposed above the coil (46) and connected to the core (42); and a cover body (21) having an internal space (110) and connected to the suspension tool attachment unit (32). A suspension tool for suspending the transformer device including the transformer (41) and the cover (21) is attachable to the suspension tool attachment unit (32). The cover body (21) is provided with: a first opening (27) located below a first phase transformer (41W) and allowing communication between the internal space (110) and a space outside the internal space (110); and a second opening (26) located above a third phase transformer (41U) and allowing communication between the internal space (110) and the space outside the internal space (110). An air flow is formed such that air flows into the internal space (110) through the first opening (27) and is discharged to the space outside the internal space (110) through the second opening (26).