Dual Power Flashlight With Movable Sleeve And Thermal Fins
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional flashlights lack versatility and convenience, particularly in using both rechargeable lithium ion batteries and alkaline batteries, and do not integrate modern power management features like charging ports and indicators effectively.
Innovation Solution
A multi-functional flashlight design with a light assembly and power assembly that includes an LED light generating module, a power management module with charging input and output ports, and a selectively movable sleeve to cover these components, allowing for use with either rechargeable lithium ion batteries or alkaline batteries, along with features like zoom functionality and heat dissipation through fins.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional flashlight design is used, then simplicity is maintained, but versatility and functionality are limited
Solution Approach 1:
The power assembly is designed with universal compatibility to accept both rechargeable lithium ion batteries and alkaline batteries through a unified battery compartment structure. The electrical contact assembly includes multiple contact configurations that can interface with different battery types, allowing the flashlight to function with various power sources without requiring separate designs for each battery type.
Solution Approach 2:
The flashlight is divided into distinct functional modules: a light assembly containing the LED and optical components, a power assembly housing the battery compartment and power management circuitry, and a central body member connecting them. This segmentation allows each module to be optimized independently while maintaining overall system versatility.
2Adaptability or versatility
If power management features are integrated, then functionality is enhanced, but ease of operation is reduced due to exposed ports
Solution Approach 1:
The sleeve is designed to be selectively movable between a retracted position that exposes the charging input port and USB output port for easy access, and an extended position that covers these ports to protect them and simplify the appearance. This dynamic positioning allows the flashlight to adapt between operational states, providing both accessibility and protection as needed.
3Use of energy by moving object
If LED light generating module is used, then energy efficiency is improved, but heat generation becomes a concern
Solution Approach 1:
The heat generated by the LED light generating module during operation is channeled through the central body member which incorporates thermal management features. The structure converts the harmful heat accumulation into beneficial heat dissipation by conducting thermal energy away from the LED junction, preventing overheating while maintaining the energy efficiency advantages of LED technology.
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 flashlight provides reliable operation with either battery type, includes advanced power management features like USB charging and indicators, and offers zoom and heat dissipation capabilities, enhancing user convenience and functionality.
Implementation Method 1
The power assembly includes contacts and circuitry for use in conjunction with either a rechargeable lithium ion battery or an alkaline battery. The power assembly includes a power management module having an electrical contact assembly with first, second, and third spring biased contacts.
Implementation Method 2
The light assembly includes an LED light generating module.
Implementation Method 3
offers zoom and heat dissipation capabilities
Data Source
AI summary
A flashlight includes a light assembly at a first end of the flashlight. The light assembly includes an LED light generating module. The flashlight also includes a power assembly having a power management module body member which houses a charging input port, a USB output port, a LED power indicator, or a power indicator button. A selectively movable sleeve covers the charging input port, the USB output port, the LED power indicator, or the power indicator button when they are not in use, wherein the sleeve moves relative to the power management module body member in linear and rotational directions. The flashlight also includes a central body member between the light assembly and the power assembly.