Compressor Wire Retainer for Heat Shielding and Orientation
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Solution Overview
Problem
Existing compressor designs face challenges in securely routing and protecting wires that carry electric current to components within the compressor, particularly in maintaining orientation and shielding from heat during welding operations.
Innovation Solution
A wire retainer assembly with a mounting portion and a guide portion is used to secure and direct wires within the compressor, featuring channels, notches, and movable sections to maintain wire orientation and protect against heat, integrated between the hermetic terminal assembly and the plug, and secured to the compression mechanism.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If wires are routed freely within the compressor, then installation is easier, but wire orientation cannot be maintained and wires are exposed to heat damage
Solution Approach 1:
A wire retainer assembly acts as an intermediary component between the terminal assembly and the wire, providing a structured pathway that maintains wire orientation while protecting from heat. The retainer includes a mounting portion that couples to the terminal assembly and a guide portion that directs the wire through a controlled route away from the welding zone.
Solution Approach 2:
The wire retainer assembly is segmented into distinct functional portions: a mounting portion for attachment to the terminal assembly, a guide portion for wire direction, and channel/notch structures for wire positioning. This segmentation allows each portion to perform its specific function while contributing to the overall solution of maintaining wire orientation and protection.
2Object-affected harmful factors
If wires are positioned close to the welding area, then wire length is minimized, but wires are exposed to heat during welding operations
Solution Approach 1:
The wire retainer assembly provides localized protection by creating a physical barrier and directed pathway specifically in the heat-affected zone near the welding area. The guide portion channels the wire through a route that maintains adequate distance from the welding zone, while the mounting portion anchors the structure at the terminal assembly, providing protection exactly where heat exposure is most critical.
3Reliability
If a wire retainer assembly is added to secure and protect wires, then wire orientation is maintained and heat protection is provided, but device complexity increases
Solution Approach 1:
The wire retainer assembly merges multiple functions into a single integrated component: mounting/attachment function, wire guidance function, and heat protection function. By combining these functions into one assembly rather than using separate components, the overall device complexity is minimized while still achieving reliable wire orientation maintenance and heat protection.
Data Source
AI summary
A compressor comprising a shell, a compression mechanism disposed within the shell, a drive shaft for operating the compression mechanism, and a motor for driving the drive shaft. A terminal is secured to the shell for delivering electric current to at least one of the compression mechanism and the motor. A terminal block is engaged with the terminal, and a wire carries the electric current from the terminal and the terminal block. A wire retainer located relative to the compression mechanism supports the wire in a predetermined orientation within the shell.