Backpack Vacuum Cart Charging Layout for Cordless Cleaning
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Solution Overview
Problem
Backpack vacuum cleaners face challenges with cumbersome cords, heavy batteries, and limited battery life, which hinder efficiency in cleaning large areas.
Innovation Solution
A portable vacuum cleaning system featuring a cart with a second battery for charging the vacuum unit's battery, allowing for cordless operation and reducing strain through an angled support element for easy movement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If battery-powered vacuum cleaners are used to eliminate cords, then cordless operation is achieved, but battery weight increases causing strain on the user
Solution Approach 1:
The battery system is divided into two separate batteries: a first battery integrated with the vacuum unit for portability, and a second battery housed in the cart for recharging purposes. This segmentation allows the vacuum to operate cordlessly while the cart provides stationary recharging capability without adding weight to the handheld unit.
Solution Approach 2:
The cart serves as an intermediary between the vacuum unit and the power source. It contains the second battery and charging circuitry, acting as a mobile recharging station that transfers energy to the vacuum's first battery without requiring the vacuum to be connected to wall outlets.
2Duration of action of moving object
If heavy batteries are used to power the vacuum, then cordless operation is enabled, but user strain increases
Solution Approach 1:
The cart with the second battery is positioned in advance as a mobile recharging station. When the first battery in the vacuum unit becomes depleted, the user can immediately connect to the cart for recharging without needing to return to a fixed outlet location, thus extending operational duration without requiring excessively large batteries.
3Use of energy by moving object
If plug-in vacuum cleaners are used, then continuous power supply is achieved, but maneuverability is reduced due to cumbersome cord
Solution Approach 1:
The power supply system is segmented into a portable first battery in the vacuum unit and a stationary second battery in the cart. This allows the vacuum to operate independently of power cords during cleaning, while the cart serves as a mobile base for recharging, combining the advantages of both cordless and plug-in systems.
4Weight of moving object
If limited capacity batteries are used, then weight is reduced, but frequent recharging is necessary
Solution Approach 1:
The cart acts as an intermediary recharging station containing the second battery. When the vacuum's first battery is depleted, the user simply connects the vacuum to the cart for recharging, eliminating the need to return to fixed outlets. This mobile recharging capability reduces time loss without requiring the vacuum to carry a large-capacity battery.
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
Enables efficient and strain-reduced cleaning by allowing battery charging anywhere and facilitating easy movement of the vacuum unit, extending cleaning sessions without the need for frequent battery replacement or recharging.
Implementation Method 1
The vacuum unit includes a motor and a first battery electrically connected to the motor for providing electrical power to run the motor
Implementation Method 2
A fan is operatively connected to the motor for generating a vacuum to collect the debris
Implementation Method 3
A filter element is in fluidic communication with the fan for capturing the debris
Implementation Method 4
A second battery is supported by the cart and electrically connectable to the vacuum unit for charging the first battery when the vacuum unit is supported by the cart
Data Source
AI summary
A portable vacuum cleaning system includes a portable vacuum unit for cleaning debris. The vacuum unit is powered by a self-contained first battery and may be carried with a strap in backpack-fashion. The system also includes a cart defining a receptacle for receiving the vacuum unit. The vacuum unit may be used when supported by the cart or when carried by an operator. A second battery is supported by the cart and electrically connectable to the vacuum unit for charging the first battery when the vacuum unit is supported by the cart. Further, when disposed in the cart, the vacuum unit is disposed at an angle of about 45 degrees allowing for ease of movement of the cart.