Nested Water Purifier Housing for Pressure and Water Hammer
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Solution Overview
Problem
Existing water purifier housings face challenges in withstanding long-term water pressure and water hammer while maintaining flexibility and transparency, leading to potential breakage and increased manufacturing costs due to the use of rigid transparent materials.
Innovation Solution
A housing design integrating an opaque and transparent housing body with complementary flexibility and rigidity, where the opaque body wraps around the transparent body, forming windows for visibility and reducing material costs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If transparent materials are used to manufacture the housing, then users can observe the filter cartridge status, but the housing becomes prone to breakage under water pressure and water hammer
Solution Approach 1:
The patent employs a nested structure where an inner transparent housing (second housing) is placed inside an outer opaque housing (first housing). The transparent housing allows filter status observation, while the opaque housing provides structural strength and durability. This nested configuration resolves the contradiction by allowing each housing to fulfill its specific function without compromising the other.
Solution Approach 2:
The patent applies local quality by making only the necessary portions transparent (the inner housing for observation) while keeping the outer housing opaque for strength. This selective transparency ensures that the housing has the required durability in critical areas while maintaining observability where needed, thus resolving the contradiction between transparency and durability.
2Ease of operation
If transparent materials are used to manufacture the housing, then users can observe the filter cartridge status, but the manufacturing cost increases due to material expense and thickness requirements
Solution Approach 1:
The nested housing structure allows the use of thinner transparent material for the inner housing since it only needs to provide observation capability, not structural support. The outer opaque housing bears the structural load, enabling the use of cost-effective materials. This resolves the cost contradiction by distributing functional requirements across two housings.
Solution Approach 2:
The patent applies local quality by making only the observation area transparent rather than the entire housing, reducing the amount of expensive transparent material required. The opaque housing uses cost-effective materials for the majority of the structure, thus lowering overall manufacturing costs while maintaining the essential observation function.
3Reliability
If opaque materials are used to manufacture the housing, then the housing has good flexibility and durability, but users cannot observe the filter cartridge status
Solution Approach 1:
The nested configuration places a transparent inner housing within the opaque outer housing. This allows the opaque housing to maintain its durability and flexibility while the transparent inner housing provides the observation function, thus resolving the contradiction between opacity/durability and transparency/observability.
4Reliability
If the housing thickness is increased to withstand water pressure, then the housing durability improves, but the manufacturing cost increases significantly
Solution Approach 1:
The nested housing structure distributes the structural load-bearing function to the outer opaque housing, allowing it to be thicker and more durable, while the inner transparent housing can be thinner since it only needs to provide observation capability. This resolves the contradiction by optimizing thickness distribution across the nested structures.
Data Source
Figure 1A
Figure 1B~1C
Figure 1D~1E
AI summary
Provided is a housing for a water purifier, which can withstand long-term water pressure and water hammer caused by changes in water pressure, and has a low manufacturing cost.