Variable Light Transmission Panel for Hazardous Storage Doors
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Solution Overview
Problem
Existing solutions fail to provide a variable light transmission panel that can block external light while allowing internal light to pass through, making it difficult to confirm the internal state of storage containers holding dangerous substances without opening the door or using special devices, and they often suffer from power consumption issues and equipment damage risks.
Innovation Solution
A variable light transmission panel using a thermoplastic resin sheet with nano-sized pores and a light-emitting member, where the panel allows external light to pass through when the internal light source is activated, and a door design with a power supply system that connects only when closed to reduce power consumption and prevent equipment damage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If a door is made opaque to block external light, then light blocking performance is improved, but the ability to confirm internal state deteriorates
Solution Approach 1:
The door panel's light transmission property is made dynamic rather than static. The optical film can switch between blocking and transmitting light based on internal light conditions, allowing the door to adapt its transparency state according to whether light is emitted from inside the storage container.
Solution Approach 2:
The light transmission parameter of the door panel is changed based on light emission conditions. When light is emitted from inside, the optical film transitions to a light-transmitting state, allowing visual confirmation of the internal state without opening the door.
2Loss of information
If a light-emitting module is continuously operated to enable visibility, then internal state confirmation is improved, but power consumption increases
Solution Approach 1:
Instead of continuous operation, the light-emitting module operates periodically or on-demand. The control module activates the light-emitting module only when visibility is required, such as when someone approaches or when the door is about to be opened, thereby reducing overall power consumption while maintaining visibility functionality.
Solution Approach 2:
The system uses motion detection or proximity sensing to automatically trigger light emission only when needed, eliminating the need for continuous operation. The door panel itself provides the service of indicating its state through optical properties changes based on internal lighting conditions.
3Reliability
If power is continuously supplied to the door system, then functionality is maintained, but equipment damage risk increases
Solution Approach 1:
Power supply to the light-emitting module and control system is implemented periodically rather than continuously. The system activates only when motion is detected or when the door state needs to be communicated, reducing the time components are powered and thus lowering the risk of equipment damage from continuous operation.
Solution Approach 2:
The power supply system is extracted from continuous operation mode and separated into on-demand activation. The power supply module provides electricity only when the light-emitting module needs to operate, eliminating unnecessary continuous power flow that could cause overheating or component failure.
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
Enables safe confirmation of internal states by blocking external light and allowing internal light to pass through, reduces power consumption by detecting user movement, and prevents equipment damage through controlled power supply.
Implementation Method 1
blocking light incident from the outside and allowing external light to pass therethrough according to an increase in the amount of light by an internal light source
Implementation Method 2
a sheet attached to the glass or acrylic plate and made of a thermoplastic resin of polymethyl methacrylate (PMMA) or polycarbonate (PC) and nano-sized dyes, wherein a plurality of nano-sized pores are provided in the sheet
Data Source
AI summary
A door, which includes a variable light transmission panel and a frame and is mounted on a body by a hinge so as to be opened and closed, is disclosed, and the door includes a glass member provided on a front surface side of the frame, a protective panel provided on an inner surface side of the frame, the variable light transmission panel provided between the glass member and the protective panel and including a sheet made of a thermoplastic resin of polymethyl methacrylate (PMMA) or polycarbonate (PC) and nano-sized dyes, a light-emitting member provided between the protective panel and the variable light transmission panel, and a power supply member configured to supply power to the light-emitting member.