Seat Airflow Channel Assembly for Blower Alignment Stability
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Solution Overview
Problem
The existing air conditioning flow channel units for seats suffer from misalignment of the blower with respect to the covering member due to shifting under the load of a seated person, leading to deteriorated absorb/desorb performance.
Innovation Solution
The air conditioning flow channel unit incorporates a covering member, a front attaching member, and a back attaching member, with a protruding portion and a fitting portion that allow the blower to be assembled securely via relative rotation around the connecting port, preventing misalignment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the blower is simply overlapped in arrangement with the covering member without mechanical joining, then the assembly is simple, but the alignment between the blower and covering member shifts under load, deteriorating absorb/desorb performance
Solution Approach 1:
The attaching member is divided into a front attaching member and a back attaching member, which are positioned at different locations along the airflow path. This segmentation allows the attaching member to securely hold the blower at multiple points, preventing shift under load while maintaining assembly simplicity through modular construction
Solution Approach 2:
The attaching member acts as an intermediary component between the blower and the covering member. It provides a mechanical connection interface that prevents direct contact between the blower and covering member, thereby maintaining alignment stability under load while allowing for simple assembly and disassembly operations
2Reliability
If the blower is mechanically joined to the covering member, then the alignment stability is improved, but the device complexity increases
Solution Approach 1:
The attaching member is divided into a front attaching member and a back attaching member, which are positioned at different locations along the airflow path. This segmentation allows the attaching member to securely hold the blower at multiple points, preventing shift under load while maintaining assembly simplicity through modular construction
Solution Approach 2:
The attaching member serves multiple functions: it mechanically joins the blower to the covering member, maintains alignment stability under load, and provides a simple assembly interface. This multi-functionality reduces the need for additional components, thereby limiting the increase in device complexity
Data Source
AI summary
An air conditioning flow channel unit for seat has a covering member, a front attaching member, a fixing portion, and a back attaching member. The covering member has a covering portion and a connecting port. The connecting port is formed in a part of the covering portion to which a blower is connected from the backside of the seat. The front attaching member has a front abutting portion. The fixing portion fixes the front attaching member to the covering member. The back attaching member has a blower attaching portion. The back attaching member is provided on the backside of the seat of the covering member. The front attaching member has a protruding portion. The back attaching member has a fitting portion. The back attaching member is attached to the front attaching member by fitting of the fitting portion.