Conductive Charging Cabinet for Cord-Free Laptop Docking
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Solution Overview
Problem
Existing charging systems for mobile devices, particularly laptops, face issues such as manual connection requirements, power cord obstructions, device tracking, and inefficient inductive charging, leading to lost productivity and increased wear on charging cables.
Innovation Solution
A mobile device enclosure with a receiver containing electrical prongs that automatically connects to a base unit with charging plates, enabling power transfer without direct electrical connection, integrated with a software system for asset management and monitoring.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual connection of power cords is used for charging, then charging can be performed, but students often forget or fail to connect, leading to uncharged devices
Solution Approach 1:
The system automatically detects when a laptop is placed in the cabinet and initiates charging without requiring student intervention. The controller monitors device presence and automatically connects power, making the system self-servicing and eliminating reliance on student memory or action.
Solution Approach 2:
The patent replaces manual mechanical connection of power cords with an automated electronic detection and connection system. Sensors detect device placement and trigger automated charging sequences, substituting human mechanical action with electronic automation.
2Ease of operation
If power cords are run from wall outlets to student desks, then devices can be charged, but cords obstruct walkways in the classroom
Solution Approach 1:
The patent extracts the charging function from the classroom environment by providing charging cabinets in locations such as media centers or libraries. Devices are charged in a separate location away from classroom walkways, removing the harmful obstruction effect while preserving charging capability.
Solution Approach 2:
The charging cabinet acts as an intermediary between the wall outlet and the student device. Instead of running cords across the classroom, the cabinet serves as an intermediate charging station that receives power from outlets and transfers it to devices within the cabinet enclosure.
3Ease of operation
If inductive charging systems are used, then direct electrical connection is avoided, but power throughput is limited due to losses and voltage/current limitations
Solution Approach 1:
The patent replaces inductive charging with conductive charging through contactless electrical connection via charging plates. This substitution maintains the benefit of no physical cord connection while achieving higher power throughput through direct electrical contact between charging plates and device ports.
4Productivity
If multiple individual charging cables are used, then each device can be charged, but cables fray and fail over time with use
Solution Approach 1:
The patent merges multiple individual charging cables into a single integrated charging cabinet system with multiple charging plates. Instead of using separate cables for each device, the cabinet provides a unified charging infrastructure that eliminates cable wear and failure while maintaining the ability to charge multiple devices simultaneously.
Solution Approach 2:
The patent extracts the charging function from portable cables and embeds it into a fixed cabinet system. The charging capability is taken out of the flexible cable form factor and integrated into a stationary unit with durable charging plates, eliminating the durability issues of repeated cable flexing and connection.
5Productivity
If a multiplicity of mobile devices are provided to students, then each student has device access, but all devices must be recharged simultaneously presenting greater charging challenges
Solution Approach 1:
The charging cabinet provides a universal charging platform that can accommodate multiple different device types simultaneously. The system uses standardized charging interfaces and automated detection to handle diverse devices, providing multi-functional charging capability that simplifies rather than complicates the charging process.
Solution Approach 2:
The system incorporates feedback mechanisms where the controller monitors the charge status of each device and automatically adjusts charging parameters. This feedback loop enables the cabinet to manage multiple devices efficiently by detecting device presence, determining charging needs, and allocating power appropriately without requiring complex manual intervention.
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
Facilitates automatic charging of multiple devices, reduces cable wear, enhances device tracking, and optimizes power delivery for efficient battery charging while prolonging battery life.
Implementation Method 1
two electrical prongs establish electrical contact with two of the charging plates housed within the base station. When this contact is made, current flows from the charging plates to the electrical prongs
Data Source
AI summary
The present invention generally relates to automatic charging systems and methods for mobile devices that require more power than is possible with inductive chargers. A mobile device charging station is provided, wherein each mobile device inserted for charging contains a charging receiver that is attached to a cover, such as a laptop cover. The cabinet further comprises a multiplicity of base stations, each of which provides a grid of conductive alternating polarity connection plates, spaced to accept two prongs similarly spaced on the bottom of the charging receiver. Power flows from the base station automatically through the charging receiver to the mobile device when it is placed on a surface containing a base station within the cabinet. Computer software is included to control and monitor all functionality of the system, such a optimal power flow and battery charging; and further provides key asset management tools to allow a user to know, for example, the number and exact location of all devices using the invention and under his or her control.