Dual-Light Flashlight Layout for Distance and Ambient Lighting
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Solution Overview
Problem
Flashlights are limited in their usage scenarios due to direct light sources, requiring additional lamps for tasks like reading or creating atmosphere, which is inefficient.
Innovation Solution
A multi-functional flashlight design with a main light source for long-distance illumination and a lateral light source for table or atmosphere lighting, along with a switch mechanism to toggle between these modes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If a direct light source is used for long-distance illumination, then illumination distance is improved, but lighting versatility deteriorates
Solution Approach 1:
The flashlight is divided into two independent lighting systems: a main light source assembly for long-distance illumination and a lateral light source assembly for ambient lighting. Each assembly can operate independently or simultaneously, allowing the user to select the appropriate lighting mode for different scenarios.
Solution Approach 2:
The flashlight body is designed to perform multiple lighting functions through two light source assemblies. The main light source provides focused long-distance illumination, while the lateral light source provides diffuse ambient lighting for reading, writing, or atmosphere creation, making the device universally applicable to various lighting needs.
2Adaptability or versatility
If additional lamps are used for reading or atmosphere lighting, then lighting versatility is improved, but device complexity deteriorates
Solution Approach 1:
Two previously separate devices (flashlight and ambient lamp) are merged into a single integrated flashlight body. The main light source assembly and lateral light source assembly share the same power supply, control circuitry, and housing, reducing the number of devices needed while maintaining lighting versatility.
Solution Approach 2:
The flashlight body is designed as a universal lighting device that can perform multiple functions: long-distance illumination through the main light source and ambient lighting through the lateral light source. This multi-functionality eliminates the need for separate reading lamps or atmosphere lights.
3Adaptability or versatility
If a lateral light source assembly is added to the flashlight body, then lighting versatility is improved, but structural complexity deteriorates
Solution Approach 1:
The lateral light source assembly is positioned at the side of the flashlight body, utilizing the lateral dimension rather than extending the length. This spatial arrangement allows the second light source to provide ambient lighting without significantly increasing the overall length or complicating the structural design.
Solution Approach 2:
The lateral light source assembly is integrated within the flashlight body structure, with its light-emitting portion extending from the side surface. This nesting approach allows the additional lighting function to be incorporated without requiring a completely separate external device.
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 a single flashlight to serve multiple lighting needs, enhancing usability and adaptability in various scenarios.
Implementation Method 1
a main light source being disposed on the main light source assembly, and being configured to emit light in a length direction of the flashlight body
Implementation Method 2
a lateral light source assembly mounted at the second mounting position, and configured to emit a ring-shaped light at an acute angle with the flashlight body from a side surface of the flashlight body
Implementation Method 3
the lateral light source assembly including a ring-shaped light source and a ring-shaped lens
Data Source
AI summary
A multi-functional flashlight includes: a flashlight body having a power supply and a switch assembly arranged therein; a head base connected to an end of the flashlight body, a first mounting position being formed at an end of the head base away from the flashlight body, a second mounting position being formed at an end of the head base close to the flashlight body; a main light source assembly mounted at the first mounting position, a main light source being disposed on the main light source assembly, and being configured to emit light in a length direction of the flashlight body; and a lateral light source assembly mounted at the second mounting position, and configured to emit a ring-shaped light at an acute angle with the flashlight body from a side surface of the flashlight body.


