Fire Shutter Sub-Shutter Positioning and Sealability
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Solution Overview
Problem
Existing fire shutter systems in semiconductor and display manufacturing plants face challenges with reduced sealability due to inaccurate positioning of sub-shutter devices between linear motor rails and stators, leading to increased complexity and costs.
Innovation Solution
A fire protection apparatus that includes a position adjusting device to accurately position the sub-shutter device between the rails or stators of a linear motor, integrating the main shutter device with the sub-shutter device to enhance sealability, simplify structure, and reduce costs, using a screw rod and nut mechanism to adjust the door frame and incorporating an expandable wing mechanism for improved closure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Extent of automation
If a linear motor is mounted in the guide rail, then the main shutter can be driven automatically, but the sub-shutter cannot be accurately positioned between rails or stators, reducing sealability
Solution Approach 1:
The positioning system is segmented into multiple adjustable components: a position adjusting device with a base, screw rod, and nut member that can independently adjust the door frame position, and a guide rail with multiple through-holes that provide discrete positioning levels. This segmentation allows precise adjustment of the sub-shutter position relative to the linear motor rails or stators, resolving the positioning accuracy issue while maintaining automation.
2Ease of operation
If separate main shutter driver and sub-shutter driver are mounted, then each shutter can be controlled independently, but product costs increase and structure becomes complicated
Solution Approach 1:
The control system is merged by integrating the sub-shutter driver functionality into the main shutter driver. The main shutter driver includes a motor that can drive both the main shutter and the sub-shutter through mechanical linkages. This merging reduces the number of separate drivers and mounting structures, simplifying the overall system while maintaining the ability to control each shutter independently through the shared motor and linkage mechanism.
Solution Approach 2:
The main shutter driver is designed with multi-functionality to perform both main shutter operation and sub-shutter operation. The single motor and control system can selectively drive different components based on operational requirements, making the driver universal and eliminating the need for separate dedicated drivers for each shutter type.
3Adaptability or versatility
If separate main shutter driver and sub-shutter driver are mounted, then control flexibility is maintained, but apparatus operation and management become inconvenient
Solution Approach 1:
The control system is merged by integrating the sub-shutter driver functionality into the main shutter driver. The main shutter driver includes a motor that can drive both the main shutter and the sub-shutter through mechanical linkages. This merging reduces the number of separate drivers and mounting structures, simplifying the overall system while maintaining the ability to control each shutter independently through the shared motor and linkage mechanism.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution significantly improves sealability, simplifies the structure, reduces product costs, and facilitates easier operation and management by accurately positioning the sub-shutter device and using a single motor for both main and sub-shutter operations, enhancing reliability and space utilization.
Implementation Method 1
a screw rod mounted on the base, and a nut member screw-coupled to the screw rod to move forward or backward so as to support the door frame
Data Source
AI summary
Provided is a fire protection apparatus and fire protection method capable of improving sealability of a sub-shutter device, the fire protection apparatus including a door frame mounted in a vertical passage between an upper floor and a lower floor of a building or in a horizontal passage between a first compartment and a second compartment of the building, a guide rail provided at a side of the door frame to guide a lift to pass through the vertical passage or to guide a carriage to pass through the horizontal passage, a main shutter device mounted on the door frame to open or close a main passage space between the door frame and the guide rail, and a sub-shutter device mounted on the main shutter device to close an internal space of the guide rail in association with the main shutter device when the main shutter device is closed.