Noise Attenuating Cover With Segmented Access Door
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Solution Overview
Problem
Existing noise reduction solutions for compressors, such as cellular material enclosures and double-wall vacuum jackets, either limit access for maintenance or require complete disassembly for servicing, making them impractical for use in confined spaces.
Innovation Solution
A noise attenuating cover with recesses in the bottom and side plates allows easy assembly and disassembly, a sliding door for service access, and a layered construction with Elastoflex, PU foam, and Velcro layers for efficient noise reduction and mechanical support, enabling easy servicing without full disassembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If a complete enclosure is used to reduce noise, then noise attenuation is improved, but accessibility for maintenance deteriorates
Solution Approach 1:
The cover is divided into multiple separate parts (bottom cover with side plates, top cover, door) that can be independently assembled and disassembled. This segmentation allows the cover to provide complete noise enclosure when assembled while enabling easy access to the compressor by simply removing the door or top cover sections, without needing to disassemble the entire enclosure.
2Object-affected harmful factors
If a fixed enclosure structure is used, then noise reduction is improved, but ease of assembly and disassembly deteriorates
Solution Approach 1:
The cover design incorporates movable and removable elements, particularly the door that can be opened and closed, and the top cover that can be removed. This dynamic design allows the enclosure to transition between a closed state for noise reduction and an open state for easy assembly, disassembly, and maintenance access, eliminating the need for complex fastening mechanisms.
3Volume of moving object
If the compressor is placed in a tight space, then space utilization is improved, but assembly difficulty increases
Solution Approach 1:
The cover is segmented into a bottom cover and a top cover that can be assembled in a bottom-up manner. The bottom cover is first positioned around the compressor in the tight space, then the top cover is added to complete the enclosure. This segmented approach allows assembly in confined spaces where the compressor is already installed, avoiding the need to lift heavy components overhead.
4Object-affected harmful factors
If a complete disassembly is required for servicing, then noise attenuation is improved, but service time increases
Solution Approach 1:
The cover design separates the service access function from the complete enclosure structure by incorporating a removable door and separable top cover. This allows maintenance personnel to access the compressor for servicing by removing only these specific sections rather than disassembling the entire cover, significantly reducing service time while maintaining effective noise attenuation when the cover is fully assembled.
Data Source
Figure 1a~1b
Figure 2~3
AI summary
A noise attenuating cover (1) in particular for a compressor, said cover (1) comprising a bottom cover (2) having a bottom plate (3) and side plates (4a, 4b, 4c, 4d), wherein said bottom plate (3) has a recess and at least one of said side plates (4d) has a recess, said recess in one of said side plates (4d) extends over the complete height of said side plate (4d), and said recess in said bottom plate (3) and said recess in said side plate (4d) form together an opening (7), and wherein said bottom plate (3) comprises holes (5) which enable a compressor to stand on means beneath said noise attenuating cover (1), when said compressor is in said bottom cover (2); a door (6) for closing said opening (7); and a compressor top cover, comprising at least a top head cover (8) and a stator cover (9).