Nozzle and vacuum cleaner
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Vacuum cleaners struggle to optimize cleaning performance based on the type of nozzle attached, as they lack efficient methods to identify and adapt power settings accordingly.
Innovation Solution
The nozzle is equipped with an electrical circuit that provides identity data via electrical terminals, allowing the main unit to accurately identify the nozzle type, enabling precise control of power and operational settings through a wireline connection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the vacuum cleaner uses a generic power setting for all nozzles, then the device complexity is reduced, but the cleaning performance is not optimized for specific nozzle types
Solution Approach 1:
The nozzle automatically provides its identity information to the vacuum cleaner through an electrical circuit with distinctive current characteristics. The nozzle itself serves the function of identification without requiring external scanning or manual input, enabling the vacuum cleaner to automatically adapt power settings based on the detected nozzle type.
Solution Approach 2:
Different nozzle types are identified by varying electrical parameters (current magnitude) of their integrated circuits. The vacuum cleaner detects these parameter changes and accordingly adjusts the power delivery parameters to match the specific nozzle requirements, achieving optimized cleaning performance through parameter adaptation.
2Ease of operation
If the vacuum cleaner uses manual nozzle identification, then the electrical circuit complexity is reduced, but the ease of operation deteriorates due to user involvement requirements
Solution Approach 1:
The nozzle's electrical circuit automatically transmits identification information to the vacuum cleaner without requiring user action. The system performs self-identification through electrical characteristics, eliminating the need for manual nozzle type selection or input by the user.
Solution Approach 2:
The manual mechanical identification process is replaced with an electrical detection system. The vacuum cleaner uses electrical circuits to automatically detect and identify nozzle types through current characteristics, substituting mechanical user interaction with automated electrical sensing.
3Adaptability or versatility
If the electrical circuit provides detailed identity data, then the adaptability to different nozzle types improves, but the loss of information increases due to potential identification errors
Solution Approach 1:
The electrical circuit uses distinct current magnitude parameters for different nozzle types, creating clearly distinguishable electrical signatures. This parameter differentiation enables reliable identification by providing sufficient margin between different nozzle types to avoid misidentification errors.
Solution Approach 2:
The vacuum cleaner detects the electrical characteristics from the nozzle and uses this feedback to determine the nozzle type. The system continuously monitors the electrical parameters and adjusts power delivery based on the identified nozzle type, ensuring accurate and reliable operation.
Data Source
Figure 1
Figure 2
Figure 3
AI summary
Described is a nozzle (6) for a vacuum cleaner and a vacuum cleaner. The nozzle comprises at least one electrical terminal and an electrical circuit (10) configured to provide identity data about the nozzle via said at least one electrical terminal. Hereby it is enabled to via a wire line connection identify the nozzle in a unit such as the main unit (3) of a vacuum cleaner. This in turn enables correct control of the nozzle from the main unit since the main unit can gain access to important data about the nozzle and thereby provide an improved control of the nozzle.