Electric Compressor Inverter Assembly Detachable Mounting
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional electric compressors face difficulties in maintaining and replacing the inverter due to its fixed position within the housing, making it hard or impossible to dismount, leading to the need for replacing the entire compressor when only the inverter fails.
Innovation Solution
A detachable mounting structure for the inverter assembly, using screws for fixation, allowing easy disassembly and assembly, eliminating the need for gel encapsulation, which enhances maintenance flexibility and reduces the overall size of the compressor.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the inverter is fixed to the housing using gel encapsulation, then the inverter is securely fixed and sealed, but the inverter becomes hard or impossible to dismount for maintenance
Solution Approach 1:
The inverter assembly is segmented from the housing through the use of a removable cover. The cover can be detached to access and replace the inverter, while the inverter itself remains secured within the housing during operation. This segmentation allows the system to simultaneously achieve secure fixation and ease of maintenance.
2Reliability
If gel encapsulation is used to fix the inverter, then the inverter is sealed and protected, but the overall structure becomes more complex and larger
Solution Approach 1:
The gel encapsulation is extracted and replaced with a simpler mechanical fastening system using a cover and fastening members. This extraction eliminates the need for complex gel-based sealing while maintaining protection through the cover structure, thereby reducing overall structural complexity.
3Device complexity
If the inverter is permanently fixed in the housing, then the structure is simplified, but maintenance requires replacing the entire compressor when only the inverter fails
Solution Approach 1:
The mounting structure transitions from a static permanent fixation to a dynamic removable configuration. The cover can be opened and closed to allow inverter replacement, providing the flexibility needed for cost-effective maintenance while keeping the overall structure relatively simple.
Data Source
Figure 1
Figure 2
Figure 3
AI summary
An inverter assembly (100) includes a substrate (110), a capacitor assembly (120) and a coil (130), a varistor (140) and a base (150). The base (150) fixes and supports thereto the substrate (110), the capacitor assembly (120), the coil (130), and the varistor (140), and is detachably fixed together to a first housing (24) with screws.