Linear Compressor Spring Support With Buffer for Vibration Isolation
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Solution Overview
Problem
Linear compressors experience vibration transmission to the compressor casing due to direct fixation of plate springs, leading to noise generation and increased radial vibration, which can result in collisions with the casing.
Innovation Solution
A support device with a buffer part coupled to the plate spring is used to minimize vibration transmission to the shell, and a coupling member connects the support device to a fixing bracket, preventing relative rotation between the spring connection part and the plate spring, thereby reducing radial and circumferential vibrations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the plate spring is directly fixed to the compressor casing, then the support structure is simple, but vibration is transmitted to the compressor casing causing noise
Solution Approach 1:
A buffer part is introduced as an intermediary element between the plate spring and the compressor casing. This buffer part absorbs and attenuates vibrations, preventing them from being transmitted to the compressor casing while maintaining the simplicity of the support structure.
Solution Approach 2:
The buffer part is pre-installed on the plate spring to provide vibration cushioning before the vibrations can be transmitted to the compressor casing. This proactive approach prevents noise generation by damping vibrations at their source.
2Device complexity
If no anti-rotation structure is provided, then the coupling structure is simple, but the rubber packing member rotates relative to the plate spring causing radial vibration
Solution Approach 1:
An anti-rotation structure is introduced as an intermediary mechanism between the rubber packing member and the plate spring. This structure prevents relative rotation while maintaining the simplicity of the overall coupling structure.
3Device complexity
If the compressor body is not restrained, then the structure is simple, but the compressor body collides with the compressor casing due to vibration
Solution Approach 1:
The buffer part serves as a mediator that restrains the compressor body by absorbing vibrations, preventing collisions with the compressor casing while maintaining structural simplicity.
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 solution effectively reduces vibration and noise in the linear compressor, preventing collisions with the compressor casing and enhancing operational stability.
Implementation Method 1
a support device with a buffer part coupled to the plate spring is used to minimize vibration transmission to the shell
Implementation Method 2
The plate spring is mounted in a direction perpendicular to an axial direction of the compressor body
Data Source
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AI summary
A linear compressor is provided. The linear compressor may include a shell having a cylindrical shape and a horizontal central longitudinal axis, a fixing bracket provided on an inner circumferential surface of the shell, a compressor body accommodated in the shell in a state of being spaced apart from the inner circumferential surface of the shell to compress a refrigerant, a support connected to the fixing bracket to support the compressor body, and a coupling member that connects the support to the fixing bracket. The support may include a plate spring and a buffer coupled to an edge of the plate spring. The coupling member may pass through the buffer and be coupled to the fixing bracket.