Floor nozzle and vacuum cleaner
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Solution Overview
Problem
Existing floor nozzles for vacuum cleaners face challenges in achieving a simple and economical arrangement of light sources with necessary electronic components, while ensuring a homogeneous lighting pattern and effective illumination of the cleaning surface.
Innovation Solution
A floor nozzle design featuring a one-piece circuit board with integrated light sources, a coolant, and a plug-based interface system, combined with a ring-shaped light guide, allows for efficient cooling, reduced material costs, and optimal light distribution, enabling a robust and cost-effective solution with a long service life.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If light sources with necessary electronic components are arranged within the floor nozzle, then illumination of the cleaning surface is achieved, but device complexity increases
Solution Approach 1:
The patent combines the light source, electronic components (control electronics, power management), and cooling system into a single integrated module housed within the floor nozzle. This merging of previously separate components into one unified assembly simplifies the overall device architecture while maintaining full illumination functionality.
2Illumination intensity
If multiple components are assembled within the floor nozzle, then illumination function is achieved, but assembly costs increase
Solution Approach 1:
The integration of all illumination-related components into a single module reduces the number of separate assembly operations required. The module can be manufactured as a pre-assembled unit and installed as one component, significantly reducing assembly time and labor costs compared to installing multiple separate components individually.
3Illumination intensity
If light sources are positioned close to the front edge for optimal illumination, then lighting pattern is improved, but components are exposed to mechanical stress from falls or collisions
Solution Approach 1:
The electronic components and light sources are nested within a protected housing structure that is integrated into the floor nozzle body. This nested arrangement shields the sensitive components from direct exposure to mechanical stress, falls, and collisions while still allowing the light to be positioned for optimal illumination at the front edge.
4Illumination intensity
If powerful light sources are used for strong illumination, then lighting intensity is improved, but heat generation increases requiring cooling mechanisms
Solution Approach 1:
The patent introduces a cooling system as an intermediary mechanism between the powerful light sources and the surrounding environment. This cooling system (which may include heat sinks, thermal conduction paths, or active cooling elements) acts as a mediator that manages the heat generated by the light sources, allowing powerful illumination without excessive temperature rise that would damage components.
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 solution provides a homogeneous lighting pattern, reduces assembly costs, and enhances the durability of the floor nozzle by protecting electronic components from mechanical stress, while allowing for variants with or without a light source, thus optimizing cleaning performance and cost-effectiveness.
Implementation Method 1
a coolant (6) for cooling the at least one light source (7)
Implementation Method 2
a light guide (2) which is connected to the circuit board (1) and which has at least one light coupling point (23) for coupling in light emitted by the at least one light source (7)
Data Source
Figure 1~2
Figure 3~4
AI summary
The invention relates to a floor nozzle for a vacuum cleaner, comprising a one-piece circuit board (1) on which at least one light source (7), a component for adjusting a light source supply voltage, a coolant (6) for cooling the at least one light source (7), and a contact element (5) for connection to an electrical conductor are arranged; an optical fiber (2) connected to the circuit board (1) and comprising at least one light coupling point (23) for coupling in light emitted from the at least one light source (7), a light coupling area (22) for coupling the coupled light onto a surface to be cleaned, and at least one light insertion area (21) for introducing the light from the at least one light coupling point (23) into the light coupling area (22); and a joint (9). The invention further relates to a vacuum cleaner comprising the floor nozzle.