Elastic Light Protection Cap for Switchgear Camera
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Solution Overview
Problem
In gas-insulated switchgear apparatuses, the illumination of the switching section through a light source combined with light-sensitive image sensors can lead to stray light interference, making it difficult to obtain a clear image of the switch contact position due to the proximity of the light source to the image sensor.
Innovation Solution
A camera system with an elastic light protection cap that seals off the beam path from the light source to the image sensor, using a light source to illuminate the switch contact and an image sensor with a lens to focus light beams, effectively blocking stray light and maintaining image quality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If the light source is brought closer to the image sensor to achieve a compact design, then the structural design is optimized and production costs are reduced, but stray light impinges on the image sensor and disturbs the image quality
Solution Approach 1:
An elastic light protection cap is introduced as an intermediary component between the light source and the image sensor. This cap seals off the beam path from the lens to the image sensor, preventing stray light from the light source from reaching the image sensor while allowing the compact design to be maintained.
Solution Approach 2:
The light protection cap is made of elastic material that can flexibly adapt to the compact camera structure. This flexible shell effectively blocks stray light paths without requiring a large distance between the light source and image sensor, thus resolving the contradiction between compactness and stray light prevention.
2Ease of manufacture
If a single small inspection window is used to reduce the number and dimensions of optical interfaces, then production costs are saved, but the illumination of the switching section with simultaneous use of light-sensitive image sensors causes image quality degradation
Solution Approach 1:
The elastic light protection cap serves as a mediator that enables the use of a single small inspection window while maintaining image quality. It selectively blocks harmful stray light paths while allowing the necessary illumination and image capture functions to operate effectively through the limited optical interface.
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 camera system efficiently blocks stray light, ensuring clear image capture of the switch contact position while allowing for a compact design with reduced production costs and maintaining image sharpness across varying temperatures.
Implementation Method 1
a light source to illuminate the switch contact
Implementation Method 2
a lens to focus light beams emanating from the switch contact onto the image sensor
Implementation Method 3
an elastic light protection cap, to seal off a beam path, from the lens to the image sensor, from the light source in a lightproof manner
Data Source
AI summary
A camera is usable to observe a switched position of a switch contact of a switchgear apparatus. In an embodiment, the camera includes a light source to illuminate the switch contact, an image sensor, and a lens to focus light beams emanating from the switch contact onto the image sensor. In an embodiment, the camera additionally includes an elastic light protection cap to seal off a beam path, from the lens to the image sensor, from the light source in a lightproof manner.