Integrated Sander Lighting and Dust Collection for Low-Light Use

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Solution Overview

Problem

Existing sanders lack effective illumination and dust collection systems, especially in low-light conditions, which hinder user visibility and efficiency during sanding operations.

Innovation Solution

A sander design incorporating an illumination device with adjustable light modes and a compact, efficient dust collection system, including a dust channel and electrostatic conductive assemblies, to enhance visibility and reduce dust accumulation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If sanding operations are performed in low-light conditions, then portability and ease of use are improved, but visibility and inspection capability deteriorate

Engineering Contradiction:
ImproveportabilityVSAvoidvisibility
Core Design Contradiction:
Ease of operationVSIllumination intensity

Solution Approach 1:

The patent combines the illumination device with the sander housing, integrating a light source, battery, and control circuitry into a single portable unit. This merging allows the device to function both as a sander and a self-contained lighting system, resolving the contradiction between portability and visibility by providing both functions in one compact tool.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The sander is designed with multi-functionality, serving both as a sanding tool and an illumination device. The integrated lighting system with multiple modes (work light, inspection light, ambient light) allows the single device to address multiple needs—sanding and various lighting requirements—thereby improving ease of operation while maintaining adequate visibility.

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Object-generated harmful factors

If a dust collection system is added to the sander, then dust accumulation is reduced, but device complexity increases

Engineering Contradiction:
Improvedust accumulationVSAvoidsystem complexity
Core Design Contradiction:
Object-generated harmful factorsVSDevice complexity

Solution Approach 1:

The patent extracts the dust collection function as a separate, modular component that can be independently controlled and maintained. The dust collection system operates independently from the sanding mechanism, allowing users to activate only when needed, thereby reducing dust accumulation without permanently increasing operational complexity.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The dust collection system is designed to be self-regulating, using the sanding operation itself to generate the airflow needed for dust extraction. The system automatically activates during sanding and deactivates when sanding stops, reducing the need for complex controls and minimizing perceived system complexity while effectively managing dust.

Inventive Principle:
Principle #25Self-service

3Adaptability or versatility

If multiple illumination modes are provided, then adaptability to different working conditions is improved, but energy consumption increases

Engineering Contradiction:
Improveillumination adaptabilityVSAvoidenergy consumption
Core Design Contradiction:
Adaptability or versatilityVSUse of energy by moving object

Solution Approach 1:

The illumination system is designed with dynamic control, allowing users to select from multiple lighting modes (work light, inspection light, ambient light) based on real-time working conditions. The system can switch between modes and adjust intensity dynamically, providing adaptability to different environments while managing energy consumption through selective activation rather than continuous high-power operation.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The patent implements parameter changes in the illumination system by providing multiple light intensity levels and color temperature options. Users can adjust lighting parameters to match specific task requirements—using higher intensity for detailed work and lower intensity for general illumination—thereby achieving adaptability while optimizing energy consumption based on actual needs.

Inventive Principle:
Principle #35Parameter changes

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

Improves user experience by providing adequate lighting and efficient dust management, ensuring smooth operation and reduced energy consumption.

Implementation Method 1

at least one electrostatic conductive assembly disposed on the housing and configured to generate an electrostatic force to collect dust on the base plate

Methodology Applied
Scientific EffectElectrostatic force: Electrostatics

Data Source

PatentEP4527551B1sander
Publication Date: 2025.12.03 NANJING CHERVON IND
  • EP4527551B1 patent drawingFigure 1
  • EP4527551B1 patent drawingFigure 2~3
  • EP4527551B1 patent drawingFigure 4

AI summary

A sander, includes a housing, the housing including a housing top, a housing bottom and a contraction portion arranged between the housing top and the housing bottom; a base plate assembly, including a base plate; a driving assembly, including a motor, the motor being used to drive the base plate; and an illumination device, comprising a light-emitting portion. The light-emitting portion is arranged in the housing and located above the contraction portion, and the base plate is within an illumination range of the light-emitting portion.