Handheld Blower Illumination for Low-Light Operation
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Solution Overview
Problem
Existing blowers are inconvenient to use in low light or nighttime conditions due to the lack of illumination, making it difficult to operate effectively.
Innovation Solution
Incorporation of an illumination device with light-emitting portions, including a fan assembly, motor, battery pack, and optional self-power generation module, providing adjustable brightness, color, and safety indications to enhance visibility in dim light.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If an illumination device is added to the blower, then the usability in low light conditions is improved, but the device complexity increases
Solution Approach 1:
The illumination device is integrated with the blower system, combining lighting functionality with the existing blower structure. The light-emitting portions are mounted on the blower housing or handle, and the power system shares the battery pack infrastructure, creating a unified device that provides both blowing and illumination functions.
Solution Approach 2:
The illumination device serves multiple purposes: it provides working light for visibility during operation, safety indication through colored lights (red for warnings, yellow for cautions), and can function as a flashlight when detached. This multi-functionality justifies the added complexity by delivering diverse benefits from a single integrated system.
2Illumination intensity
If the total lumen of the illumination device is increased to improve visibility, then the illumination effectiveness is improved, but the energy consumption increases
Solution Approach 1:
The illumination device incorporates adjustable brightness levels and different lighting modes that can be dynamically changed based on environmental conditions and operational needs. The system can switch between high-lumen modes for poor visibility conditions and lower-lumen modes for better light conditions, optimizing energy consumption while maintaining adequate illumination.
Solution Approach 2:
The illumination system utilizes LED technology with variable luminous output parameters. By changing the operating current and selecting different LED configurations, the system can adjust the total lumen output to match the required illumination level, reducing energy waste while maintaining visibility effectiveness.
3Adaptability or versatility
If multiple light-emitting portions are added to provide comprehensive illumination and safety indications, then the functionality is improved, but the device weight increases
Solution Approach 1:
The illumination device uses multiple LED light-emitting portions instead of traditional incandescent bulbs. LEDs are lightweight, have long operational life, and can be arranged in multiple configurations without significantly increasing weight. The light-emitting portions can be independently replaced if needed, providing flexibility while maintaining weight efficiency.
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 illumination device improves user experience by enabling effective operation in low light conditions, enhancing safety and convenience during nighttime or dimly lit environments.
Implementation Method 1
the illumination device includes light-emitting portions, and the total lumen of all the light-emitting portions of the illumination device is greater than or equal to 280 lm
Data Source
AI summary
A blower includes: a blower tube for an airflow to pass through; a fan assembly including fan blades, where the fan blades are rotatable about the fan axis of the fan assembly; a motor configured to drive the fan assembly to rotate; and a battery pack capable of powering the blower. The blower further includes an illumination device, the illumination device includes light-emitting portions, and the total lumen of all the light-emitting portions of the illumination device is greater than or equal to 280 lm.