Solar-Powered Hand Tool Handle with Joule Heating and LED Illumination
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Solution Overview
Problem
Conventional hand tools made of metal are cold in winter, causing discomfort and reduced work efficiency for users, and attempts to address this with plastic covers have failed to securely transfer hand force to the screwing object, thus not improving efficiency.
Innovation Solution
A light energy collection hand tool with a solar energy plate, energy storage unit, conductive unit, and light emitting unit that generates heat and provides illumination, featuring a metal conductive unit around the handle for energy transfer and warmth, along with a slideable cover for the energy storage area.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a plastic cover is added to cover the handle, then user comfort is improved, but force transfer capability deteriorates
Solution Approach 1:
The handle is divided into two distinct parts: an inner metal handle that provides force transfer and an outer plastic cover that provides comfort. This segmentation allows each part to fulfill its specific function without compromising the other.
Solution Approach 2:
The plastic cover is designed to fit over the metal handle, creating a nested structure where the cover encompasses the handle while maintaining the handle's functional integrity for force transfer.
2Strength
If metal material is used for the hand tool, then strength is improved, but user comfort in cold conditions deteriorates
Solution Approach 1:
The hand tool employs a composite structure combining metal and plastic materials. The metal inner handle provides structural strength while the plastic outer cover provides thermal comfort, creating a composite solution that addresses both requirements simultaneously.
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 hand tool provides user comfort and increased efficiency by generating heat and light, ensuring effective force transfer and improved usability in cold conditions.
Implementation Method 1
an energy collection plate installed on the handle. The energy collection plate includes a solar energy plate on a surface of the handle
Implementation Method 2
The metal conductive unit is arranged to be around an inner periphery of the handle; not only transferring electric energy, the conductive unit also generate heat
Implementation Method 3
A light emitting unit is connected to the conductive unit; and thus electric power flows through the conductive unit will flow through the lighting emitting unit to light up the lighting emitting unit
Data Source
AI summary
A light energy collection hand tool comprises a handle; a driving portion at one end of the handle; and an energy collection plate installed on the handle. The energy collection plate includes a solar energy plate on a surface of the handle, an energy storage unit; and a conductive unit connected to the energy storage unit. A light emitting unit is connected to the conductive unit; and thus electric power flows through the conductive unit will flow through the lighting emitting unit to light up the lighting emitting unit. The light emitting unit is one of a halogens bulb and a light emitting diode device. A slideable cover covers upon the electric power storage area. The metal conductive unit is arranged to be around an inner periphery of the handle; not only transferring electric energy, the conductive unit also generate heat.