Removable Gas Sensor Holder for Ventilator Housing Maintenance
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Solution Overview
Problem
Existing ventilators face challenges in easily removable oxygen calibration modules for maintenance, cleaning, or repair without disassembling the housing.
Innovation Solution
A holder with a base body and receptacles for gas sensors and coupling devices, allowing easy assembly and disassembly, airtight connections, and secure fastening to the ventilator housing, enabling efficient gas concentration detection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the oxygen calibration module is integrated into the ventilator housing, then the gas sensor can be securely mounted and protected, but the module becomes difficult to remove for maintenance, cleaning, or repair without disassembling the housing
Solution Approach 1:
The holder is designed as a separate, removable component that can be detached from the ventilator housing without disassembling the housing itself. This segmentation allows the gas sensor assembly to be easily removed for maintenance while maintaining secure mounting during operation.
Solution Approach 2:
The holder acts as an intermediary component between the gas sensor and the ventilator housing. It provides a secure mounting interface for the gas sensor while enabling easy removal through a simple detachment mechanism, eliminating the need to disassemble the housing for maintenance purposes.
2Stability of the object's composition
If the holder provides secure fastening of the gas sensor, then the gas sensor remains stable during operation, but the assembly and disassembly process becomes more complex
Solution Approach 1:
The fastening mechanism is extracted from the housing structure and integrated into the removable holder component. This allows the holder to provide secure fastening through dedicated fastening elements while enabling simple detachment as a single action, reducing the overall complexity of assembly and disassembly operations.
3Reliability
If the holder ensures airtight connection between components, then gas concentration detection is accurate, but the connection mechanism becomes more complex
Solution Approach 1:
The airtight connection function is merged into the holder's basic structure through integrated sealing elements. The sealing mechanism is combined with the fastening and positioning functions in a single integrated component, achieving reliable gas-tight connections without adding separate complex sealing mechanisms.
Data Source
Figure 1
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AI summary
A holder (25) for fastening a gas sensor (9) to and/or in a housing (19) of a ventilator (1) comprises: a base body (27) with a fastening section (29) for fastening the base body (27) to and/or in the housing (19), a gas inlet (31), a gas outlet (33), a first receptacle (35) for receiving a coupling device (11) such that an outlet opening (17) of the coupling device (11) is fluidically coupled to the gas inlet (31), and a second receptacle (37) for receiving the gas sensor (9), wherein the base body (27) is designed to delimit a breathing gas chamber (39) together with the gas sensor (9) received by the second receptacle (37), wherein the breathing gas chamber (39) is connected on the one hand to the gas inlet (31) and on the other hand to the gas outlet (33).so that - when the coupling device (11) is received by the first receptacle (35) - breathing gas can flow from the outlet opening (17) via the gas inlet (31) into the breathing gas chamber (39) and from the breathing gas chamber (39) via the gas outlet (33) into an environment of the base body (27).