Refrigeration cycle apparatus
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Solution Overview
Problem
In refrigeration cycles with multiple compressors, vibration isolation performance is compromised due to resonance between compressors installed on a single intermediate base, especially when two-stage compression is used or compressor capacity needs to be increased.
Innovation Solution
The refrigeration cycle apparatus employs a double anti-vibration structure with multiple compressors supported by separate intermediate plates connected through elastic members, with refrigerant circuit components added to increase the weight of these plates to reduce resonance and enhance vibration isolation, and flexible connections between compressors to mitigate stress from positional displacement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If multiple compressors are installed on a single intermediate base, then the device complexity is reduced, but the vibration isolation performance deteriorates due to resonance between compressors
Solution Approach 1:
The patent divides the single intermediate base into multiple separate intermediate plates (first intermediate plate, second intermediate plate, etc.), with each compressor supported on its own dedicated plate. This segmentation prevents vibration resonance between compressors while maintaining structural organization, directly resolving the contradiction between device complexity and vibration isolation performance
2Object-affected harmful factors
If refrigerant circuit component parts are added to intermediate plates, then the vibration isolation performance is improved by increasing weight, but the device complexity increases
Solution Approach 1:
The patent combines refrigerant circuit component parts (such as accumulators, heat exchangers, or valves) with the intermediate plates by mounting them on the same plates that support the compressors. This merging approach increases the overall weight of the intermediate plates to suppress vibrations while utilizing existing structural elements, thereby improving vibration isolation without proportionally increasing device complexity
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
This configuration allows compressors to vibrate independently, reducing resonance and improving vibration isolation performance, thereby minimizing noise and vibration transmission to the housing.
Implementation Method 1
the first compressor (10) and the second compressor (20) are supported by a first intermediate plate (15) and a second intermediate plate (25), respectively, through a plurality of first elastic members (11), the first intermediate plate (15) and the second intermediate plate (25) being supported by the bottom member (3) through a plurality of second elastic members (12)
Data Source
Figure 1
Figure 2~3
AI summary
A first intermediate plate (15) and a second intermediate plate (25) are supported by a bottom member (3) through a plurality of second elastic members (12). The first compressor (10) and the second compressor (20) are supported by the first intermediate plate (15) and the second intermediate plate (25), respectively, through a plurality of first elastic members (11).