Reflection Teaching Aid With Angular Slot Mounting Board
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Solution Overview
Problem
Teachers face inconvenience when demonstrating multiple reflected images using two plane mirrors, as they need to hold them at an angle with both hands, making it difficult to explain the formation of these images effectively.
Innovation Solution
A reflection teaching aid featuring a mounting board with slots that allow plane mirrors to be held in an upstanding position, enabling easy adjustment of the angle between the mirrors to generate multiple reflected images.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If two plane mirrors are held at an angle with both hands, then multiple reflected images can be demonstrated, but the operation becomes inconvenient and difficult to explain
Solution Approach 1:
The device is segmented into a mounting board and separate plane mirrors. The mounting board provides a stable base with pre-defined angular slots, while the mirrors can be independently positioned and attached to the board, eliminating the need to hold both mirrors simultaneously with hands.
Solution Approach 2:
The mounting board acts as an intermediary between the mirrors and the user. Instead of directly holding and positioning both mirrors with hands, the user attaches mirrors to the mounting board which already provides the correct angular relationship, thus simplifying the operation.
2Adaptability or versatility
If plane mirrors are mounted on a board with slots, then the angle between mirrors can be adjusted easily, but the device structure becomes more complex
Solution Approach 1:
The mounting board is designed with multiple discrete slots at different angular positions rather than a continuous adjustment mechanism. This segmented approach allows easy angle adjustment by simply moving mirrors between predefined slots, while keeping the overall structure simple and rigid.
Solution Approach 2:
The mounting board has different local qualities: the body provides rigid structural support, while the slot regions provide localized angular adjustment capability. This differentiation allows the board to maintain overall structural simplicity while providing adaptability where needed.
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
Facilitates the demonstration of multiple reflections by allowing teachers to easily adjust the angle between mirrors, enhancing the educational experience by providing a stable and convenient setup for observing reflected images.
Implementation Method 1
When two plane mirrors are held at an angle to each other, multiple reflected images of an object disposed between reflective surfaces of the plane mirrors can be observed.
Data Source
AI summary
A reflection teaching aid includes a mounting board and first and second plane mirrors. The mounting board has a plurality of slots that are angularly displaced from each other. When inserting edges of the first and second plane mirrors are inserted respectively into two selected ones of the slots, and when an object is disposed between reflective surfaces of the first and second plane mirrors, a selected one of included angles is formed between the reflective surfaces of the first and second plane mirrors, thereby permitting an object placed between the reflective surfaces of the first and second plane mirrors to generate a corresponding number of reflected images of the object.