Ventilation device
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Solution Overview
Problem
Conventional ventilator apparatuses face challenges in protecting leads connecting internal component units without increasing the number of components, as existing methods either fail to prevent damage or require additional dedicated components for protection.
Innovation Solution
The ventilator apparatus incorporates a protection wall and lead-holding fasteners to secure and protect the leads, ensuring they are not exposed during assembly, thereby preventing damage without adding extra components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the lead is covered with another component to protect it, then the lead is protected from damage, but the number of components increases
Solution Approach 1:
The patent integrates the lead protection function into the existing unit case structure by adding a protection wall that is formed as part of the unit case. This merging approach allows the lead to be protected without requiring a separate dedicated protection component, thus avoiding an increase in the total number of components while still achieving reliable lead protection during assembly
2Ease of operation
If a thin sheet is used to bundle leads, then the flexibility of the lead is maintained, but the lead protection effect during assembly is insufficient
Solution Approach 1:
The patent transitions from a two-dimensional thin sheet configuration to a three-dimensional protection structure by forming a protection wall that extends vertically from the unit case. This dimensional change creates a protective enclosure space that provides robust lead protection during assembly while maintaining lead flexibility through the enclosed configuration
3Device complexity
If the lead is exposed during assembly, then the number of components is reduced, but the lead is vulnerable to damage
Solution Approach 1:
The patent implements preliminary protection by forming the protection wall as an integral part of the unit case structure before assembly operations begin. This preliminary structural preparation creates a protected environment within the unit case, preventing lead exposure and damage risks during the assembly process without requiring additional components
Data Source
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AI summary
A ventilator apparatus includes a ventilator body, a case that houses the ventilator body, an operation display unit housed in the case, a control circuit unit housed in the case, and a lead (50) interconnecting the operation display unit and the control circuit unit. The operation display unit includes a unit case forming a housing, a display substrate (32) housed in the unit case, and a protection wall (333) to protect the lead (50), the protection wall being disposed outside one lateral face (332) of the unit case, in a spaced relationship with the one lateral face (332). The lead (50) drawn from the display substrate (32) to the outside of the one lateral face (332) is inserted through a gap between the one lateral face (332) and the protection wall (333), and drawn out of the operation display unit.