Wireless Charging Device with Engine Starting Interface
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Solution Overview
Problem
Existing car starting power supplies, particularly those using lead-acid batteries, are bulky, inconvenient, prone to undervoltage issues due to self-discharging, and often wasted when used for non-starting purposes, while lithium battery solutions are underutilized for starting vehicles and lack convenience due to forgotten USB cables.
Innovation Solution
A charging device with an engine starting interface and a control unit connected to electromagnetic coils, allowing for wireless charging when connected to a device with sufficient power, and incorporating USB charging outputs and input interfaces for versatility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If lead-acid battery is used for car starting, then the battery can provide sufficient starting power, but the battery becomes bulky and inconvenient to carry
Solution Approach 1:
The patent changes the chemical composition parameters of the battery by using lithium-ion battery technology instead of traditional lead-acid battery, achieving higher energy density and reduced weight while maintaining sufficient starting power capability
Solution Approach 2:
The patent employs composite material technology in the lithium-ion battery construction, using advanced electrode materials and electrolyte formulations to achieve both high power output and reduced weight
2Power
If lead-acid battery is used for car starting, then the battery can provide sufficient starting power, but the battery becomes inconvenient to carry
Solution Approach 1:
The patent changes the physical and chemical parameters of the battery system by adopting lithium-ion technology with higher energy density, reducing the battery size and weight to improve portability while maintaining adequate starting power
3Ease of operation
If lithium battery is used for car starting, then the battery has small leakage current and is easy to use, but users rarely use it to start cars, causing resource waste
Solution Approach 1:
The patent implements multi-functionality by enabling the lithium battery power supply to serve both as a portable charging device for electronic devices and as a vehicle starting power source, with automatic function identification and switching to prevent resource waste
Solution Approach 2:
The patent incorporates feedback mechanisms through control circuits that monitor the connected device type and automatically adjust the power output mode, ensuring the lithium battery is utilized appropriately for either vehicle starting or electronic device charging
4Adaptability or versatility
If USB function is incorporated into the starting power supply, then the power supply can charge different mobile devices, but users often forget to bring USB cables, causing inconvenience
Solution Approach 1:
The patent replaces the mechanical connection system (USB cables and ports) with a wireless charging system using electromagnetic induction, allowing users to charge devices by simply placing them on the charging surface without needing physical cable connections
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 device efficiently provides power for vehicle starting and wireless charging of devices, minimizing power waste and user inconvenience by integrating electromagnetic coils for wireless charging and USB interfaces for wired charging, while managing power consumption based on voltage, temperature, and current levels.
Implementation Method 1
the control unit is configured to control the at least one electromagnetic coil to generate a varying magnetic field when the amount of power of the power supply is greater than or equal to a pre-set amount of power and the charging device is wirelessly connected to a device to be charged, so that an internal coil of the device to be charged generates a varying current
Data Source
AI summary
Provided are a charging device and a charging method. The charging device comprises: a charging device body and an engine starting interface provided on the charging device body, wherein the charging device body comprises: a power supply, a control unit, and at least one electromagnetic coil. The control unit is respectively connected to the power supply and the at least one electromagnetic coil, and the control unit is configured to control the at least one electromagnetic coil to generate a varying magnetic field when the amount of power of the power supply is greater than or equal to a pre-set amount of power and the charging device is wirelessly connected to a device to be charged, so that an internal coil of the device to be charged generates a varying current to cause the charging device to wirelessly charge the device to be charged.