One-Way Charging Cable Layout to Block Reverse Bag Power Input
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Solution Overview
Problem
Conventional charging cables integrated into bags and luggage pose a risk of overheating and explosion due to the potential for overcharging of power sources within closed spaces, necessitating a solution that allows safe and convenient charging without allowing power input into the bag or luggage.
Innovation Solution
A one-way charging cable with a male and female connector, where the male connector is inside the bag or luggage adjacent to a power source, featuring a pull-down resistor, pull-up resistor, and diodes to prevent current from flowing back in, ensuring safe charging by only allowing output and not input, along with an integrated circuit and wireless module for charging status control and tracking.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a charging cable is integrated into the bag or luggage to enable convenient charging of devices, then the ease of operation is improved, but the reliability deteriorates due to the risk of overheating and explosion of the power source inside the closed space
Solution Approach 1:
The charging cable is segmented into two distinct connectors: a male connector retained inside the bag/luggage adjacent to the power source, and a female connector exposed outside for device connection. This segmentation allows the charging function to be distributed, with the internal male connector serving only as an output and preventing external charging input, thereby maintaining safety while preserving convenience.
Solution Approach 2:
The male connector acts as an intermediary element between the power source and external devices. By positioning it inside the bag/luggage adjacent to the power source and designing it with one-way charging capability, it mediates the power transfer while preventing direct access to the power source for external charging, thus resolving the safety-convenience contradiction.
2Reliability
If the male connector is retained inside the body adjacent to the power source to prevent external charging input, then the reliability is improved, but the ease of operation deteriorates due to reduced accessibility
Solution Approach 1:
The male connector is nested inside the bag/luggage body, retained in a specific position adjacent to the power source placing space. This nesting arrangement protects the male connector and prevents external devices from directly accessing or charging the power source, while still allowing it to function as an output connector for power distribution to external devices connected via the female connector.
Solution Approach 2:
The traditional charging cable configuration is inverted: instead of having the female connector inside and male outside, this invention places the male connector inside and the female connector outside. This inversion allows the internal male connector to serve as a controlled output point while the external female connector provides convenient device connection, resolving the accessibility-safety contradiction.
3Adaptability or versatility
If conventional charging cables are used that allow bidirectional charging, then the adaptability is improved, but the object-generated harmful factors worsen due to potential overcharging and overheating
Solution Approach 1:
The male connector is designed with preliminary anti-action features that prevent charging current from flowing in the reverse direction (into the power source). By incorporating this protective mechanism in advance at the connector level, the system eliminates the risk of overcharging and overheating before they can occur, while still maintaining compatibility with standard charging devices through the female connector.
Solution Approach 2:
The potential harm of bidirectional charging capability is converted into benefit by using the same connector structure for universal compatibility while adding unidirectional current control. The male connector's design allows it to work with various device types (maintaining adaptability) while inherently preventing the harmful reverse charging flow, thus converting what would be a safety risk into a safety feature.
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 safe and convenient charging of devices without risking overcharging or overheating of the power source inside the bag or luggage, ensuring user safety and preventing potential explosions.
Implementation Method 1
at least 4 Diodes, forming a special one way cable for output non input function
Implementation Method 2
comprising a pull-down resistor in regular standard of around 56 KΩ, and a pull-up resistor in between 4.5 kΩ and 12 KΩ
Data Source
AI summary
A one way safety charging cable for bag and luggage having a bag or luggage body, a cable with at least one male connector and at least one female connector, a sheath fixed on the body to receive the female connector of the cable, and retained above the outer surface of the body, wherein the male connector is retained inside of the body adjacent to a power source placing space, wherein inside of the male connector there are at least 4 Diodes, forming a special one way cable for output non input function to avoid the risk of overcharging and overheating of the power source inside of the body.