Rotatable Pocket LED Lamp with Dual Light Elements
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional penlights have limited angles of illumination and are restricted in use due to the absence of a headlight and reliance on a pen clip for fixation, making them unsuitable for various environments and applications.
Innovation Solution
A pocket LED light design featuring a cylindrical lamp body with a rotating shaft, hinged light emitting module, and a hook mechanism that allows for adjustable angles and multiple modes of use, including handheld, stand-alone, and hanging modes, with both LED main and light elements for enhanced illumination and versatility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a conventional penlight uses only a side-mounted light emitting element, then the structure is simple, but the angle of illumination is limited and it cannot function as a flashlight
Solution Approach 1:
The light emitting module is divided into two distinct light emitting elements: a side-mounted LED for general illumination and a head-mounted LED for flashlight function. This segmentation allows each element to serve specific purposes, resolving the contradiction between structural simplicity and illumination versatility.
Solution Approach 2:
The light emitting module is designed to be rotatable relative to the lamp body, adding a rotational dimension to the fixed structure. This enables the module to orient light in multiple directions (side illumination or forward flashlight mode), transforming a single-direction light source into a multi-directional system without complicating the basic structure.
2Device complexity
If a penlight relies solely on a pen clip for fixation, then the structure remains simple, but the usage scenarios are greatly restricted
Solution Approach 1:
A hook mechanism is added to the lamp body that can function in multiple ways: it can hang the lamp from hooks or loops, it can engage with the slot to lock the light emitting module in position, and it can be rotated to different orientations. This single component provides fixation, positioning, and orientation control, enabling diverse usage scenarios while maintaining structural simplicity.
Solution Approach 2:
The hook is designed to be rotatable relative to the lamp body, allowing dynamic adjustment between different orientations and engagement states. This dynamic capability enables the lamp to adapt to various usage scenarios (handheld, hanging, clipped) without requiring multiple fixed structures.
3Stability of the object's composition
If a light emitting module is made fixed on the lamp body, then the structure is stable, but the angle of illumination cannot be adjusted
Solution Approach 1:
The light emitting module is hinged to the lamp body, allowing it to rotate between a fixed position and an extended position at various angles. The hook mechanism works with the slot to lock the module in desired positions, providing both stability when locked and adjustability when needed.
Solution Approach 2:
The rotating shaft acts as an intermediary mechanism between the fixed lamp body and the adjustable light emitting module. It transmits rotational motion while allowing controlled movement, enabling the module to be positioned at different angles while maintaining structural connection and stability.
4Adaptability or versatility
If dual LED light elements are added to create flashlight capability, then illumination versatility improves, but device complexity increases
Solution Approach 1:
Two light emitting elements (side LED and head LED) are merged into a single integrated light emitting module that rotates with the lamp body. This merging allows both light sources to be controlled and positioned together, reducing the complexity that would arise from having two separately controlled systems while maintaining flashlight capability.
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 design enables wide-range lighting with adjustable angles, transforming into various modes of use, allowing the light to be used as a flashlight, improving portability, and extending its application in different environments, while also allowing attachment to metal surfaces for increased functionality.
Implementation Method 1
a COB light source electrically connected with the PCB circuit board
Implementation Method 2
a reflective cup provided above the COB light source
Implementation Method 3
an LED light element may include an LED lamp bead and a lens located on an exterior of the LED lamp bead
Data Source
AI summary
A pocket LED light includes a cylindrical lamp body, a pen clip provided on the lamp body, a power supply provided in the lamp body, a light emitting module electrically connected with the power supply, a rotating shaft and a hook. The light emitting module is located on the side opposite to the pen clip, and the light emitting module includes an LED main light element provided on the exterior and an LED light element provided on a face of a protruding end. The rotating shaft is vertically provided in the lamp body and rotatable within the lamp body. The light emitting module is hinged to an end of the rotating shaft extended beyond the lamp body. One end of the hook is rotatably provided at the bottom of the lamp body and the lamp body is provided with a slot which matches with the hook.