Power Tool Light Emitter Layout Inside a Protective Housing
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Solution Overview
Problem
The placement of light emitters in working machines is limited by the shape of the outer housing, restricting suitable positioning and reducing the degree of freedom in layout.
Innovation Solution
The light emitter is positioned on the motor housing, which is covered by the outer housing, allowing light to pass through an opening, enhancing layout flexibility and preventing extraneous matter intrusion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the light emitter is disposed at the outer housing, then the light emitter can be protected by the outer housing, but the places for disposing the light emitter are limited due to the shape of the outer housing
Solution Approach 1:
The light emitter is disposed inside the motor housing, which is itself housed within the outer housing. This nested arrangement allows the light emitter to be positioned in locations that would be inaccessible if it were mounted directly on the outer housing, while still being protected by the outer housing structure. The motor housing acts as an intermediate container that provides additional positioning freedom.
Solution Approach 2:
The motor housing serves as an intermediary structure between the light emitter and the outer housing. By mounting the light emitter on the motor housing rather than directly on the outer housing, the design gains additional positioning flexibility while maintaining protection through the outer housing. The motor housing mediates the spatial relationship between these two components.
2Adaptability or versatility
If the light emitter is disposed at the motor housing covered by the outer housing, then the degree of freedom for layout is enhanced, but the light emitter may be exposed to external interference
Solution Approach 1:
The nested housing structure places the light emitter inside the motor housing, which is itself inside the outer housing. This double-layer protection shields the light emitter from external interference such as dust, moisture, and physical damage, while the nested arrangement provides layout flexibility that would not be available with direct mounting on the outer housing.
Solution Approach 2:
The motor housing acts as an intermediary protective barrier between the light emitter and the external environment. This intermediate layer provides mechanical protection and environmental shielding while allowing the light emitter to be positioned in locations that optimize its functional performance.
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
This configuration allows for suitable positioning of the light emitter, improves operational visibility, and enhances operational convenience by eliminating external power cables, while maintaining protection from external interference.
Implementation Method 1
a light emitter disposed at a part of the motor housing that is covered by the outer housing. The outer housing may comprise an opening at a part of the outer housing that faces the light emitter, wherein the opening allows light emitted from the light emitter to pass through the opening
Data Source
AI summary
A working machine includes a working part; a motor configured to drive the working part; a motor housing covering at least a part of the motor; an outer housing covering at least a part of the motor and at least a part of the motor housing; and a light emitter disposed at a part of the motor housing that is covered by the outer housing. The outer housing includes an opening at a part of the outer housing that faces the light emitter. The opening allows light emitted from the light emitter to pass through the opening.