Magnetic Wireless Charging Holder for Fast Coil Alignment
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Solution Overview
Problem
Conventional wireless chargers lack a magnetic attraction function, making it difficult to quickly and accurately align with the built-in magnet of a mobile phone, which affects charging efficiency.
Innovation Solution
A magnetic wireless charging holder with a first magnet to attract the mobile phone's built-in magnet and a second magnet for positioning, along with a magnetic shield to stabilize the wireless charging module, enabling rapid and accurate alignment and improved charging efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a conventional wireless charger without magnetic attraction function is used, then the structure is simple, but the alignment with mobile phone is slow and inaccurate
Solution Approach 1:
The wireless charger is divided into separate functional modules: a holder body and a main body that can be detachably mounted. The magnetic alignment function is isolated in the main body with the first magnet, while the holder body provides structural support. This segmentation allows the magnetic alignment feature to be added without completely redesigning the entire device.
Solution Approach 2:
A first magnet is introduced as an intermediary component between the wireless charging module and the mobile phone. This magnet creates magnetic attraction that pulls the mobile phone into proper alignment with the receiver coil, solving the alignment accuracy problem without requiring complex mechanical adjustment mechanisms.
2Productivity
If a first magnet is added to achieve magnetic attraction function, then the alignment speed and accuracy improve, but the device complexity increases
Solution Approach 1:
The first magnet is combined with the wireless charging module in the same main body housing. The magnet and the transmitter coil work together as an integrated unit, reducing the need for separate mounting mechanisms and simplifying the overall structure despite adding magnetic functionality.
Solution Approach 2:
The magnetic attraction system is designed to be self-aligning. When a mobile phone with a built-in magnet approaches the charger, the magnetic forces automatically pull the phone into the correct position without requiring manual adjustment or external intervention, thereby improving charging efficiency.
3Manufacturing precision
If a second magnet is added for positioning the holder body, then the positioning accuracy improves, but the manufacturing complexity increases
Solution Approach 1:
The second magnet is positioned in the recess at the back of the main body, creating a magnetic field that interacts with the spherical head on the holder body. This magnetic positioning system creates an equipotential state where the holder body naturally settles into the correct position without requiring precise mechanical tolerances or complex adjustment mechanisms.
4Reliability
If a magnetic shield is added to shield the strong magnet on the back, then the operational stability improves, but the device complexity increases
Solution Approach 1:
The magnetic shield extracts and contains the strong magnetic field generated by the second magnet at the back of the device. By isolating this strong magnetic field, the shield prevents it from interfering with the wireless charging module and first magnet operations, thereby improving operational stability without requiring complex shielding mechanisms.
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 magnetic attraction facilitates automatic alignment of the wireless charging module with the mobile phone's receiver coil, enhancing charging efficiency and stability, while the magnetic shield simplifies assembly and ensures reliable operation.
Implementation Method 1
a first magnet configured to attract a built-in magnet of a mobile phone
Implementation Method 2
A wireless charger is a device that uses the principle of electromagnetic induction for charging
Implementation Method 3
A magnetic shield or a substrate having a magnetic shield effect is provided
Implementation Method 4
A second magnet is provided in the recess for attracting and positioning the holder body
Data Source
AI summary
A magnetic wireless charging holder includes a holder body and a main body. The main body is disposed on the holder body. The main body includes a housing, a wireless charging module, and a first magnet configured to attract a built-in magnet of a mobile phone. A magnetic shield is fixed in the housing for attracting and positioning the first magnet. With the first magnet, the product has a magnetic attraction function. The first magnet and the built-in magnet of the mobile phone are mutually attracted each other to achieve a rapid and accurate alignment.