Shielding Plugs and Plate for EMI Suppression on Circuit Boards
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Solution Overview
Problem
High-power electronic elements on circuit board modules generate electromagnetic interference (EMI) and electrostatic discharge (ESD), posing a challenge for effective shielding.
Innovation Solution
The electronic device incorporates a circuit board module with a first shielding plate and multiple shielding plugs that cover the electromagnetic wave sources, utilizing existing structural components like keyboard reinforcement plates or metal casings to provide electromagnetic shielding without increasing thickness or cost.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If traditional shielding methods are used to block electromagnetic waves from high-power electronic elements, then electromagnetic shielding capability is improved, but device thickness and cost increase
Solution Approach 1:
The shielding plugs are inserted into existing clamp bases that are already part of the circuit board module structure. The shielding plugs nest within the clamp bases, utilizing the existing structural space rather than adding external shielding layers. This nested configuration provides electromagnetic shielding while maintaining the original device thickness.
Solution Approach 2:
The clamp bases originally designed for mechanical support and connection are repurposed to also hold shielding plugs. This multi-functional use of existing components eliminates the need for separate shielding structures, thereby avoiding increased device thickness while achieving effective electromagnetic shielding.
2Object-affected harmful factors
If traditional shielding methods are used to block electromagnetic waves from high-power electronic elements, then electromagnetic shielding capability is improved, but manufacturing cost increases
Solution Approach 1:
The clamp bases are designed to serve dual purposes: mechanical support and shielding plug mounting. By reusing existing components for shielding purposes, the patent eliminates the need for separate shielding structures and reduces material costs. The shielding plugs can be made from conductive materials that are already present in the circuit board assembly process.
Solution Approach 2:
The shielding function is merged with the existing clamp base structure. Instead of adding separate shielding components, the shielding plugs are integrated into the clamp bases through insertion, combining structural support and electromagnetic shielding functions into a single integrated solution that reduces overall manufacturing cost.
3Object-affected harmful factors
If shielding components are added to cover electromagnetic wave sources, then electromagnetic shielding capability is improved, but device complexity increases
Solution Approach 1:
The shielding plugs are nested within the clamp bases, utilizing the existing structural framework. This nested arrangement integrates shielding components into the existing device architecture without adding external structures or complicating the overall device design. The shielding function is achieved through internal integration rather than external addition.
Solution Approach 2:
The clamp bases are designed to perform multiple functions: mechanical support, connection, and shielding plug mounting. This multi-functionality reduces the number of separate components needed, thereby simplifying the overall device structure while achieving effective electromagnetic shielding.
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
This configuration effectively shields electromagnetic waves while maintaining the original thickness and cost structure of the electronic device, providing a stable and efficient electromagnetic shielding solution.
Implementation Method 1
The first shielding plate and the first shielding plugs jointly cover the first electromagnetic wave source, and can shield the electromagnetic waves emitted by the first electromagnetic wave source
Data Source
AI summary
An electronic device, including a circuit board module, a first shielding plate and multiple first shielding plugs, are provided. The circuit board module includes a first surface, a second surface opposite to the first surface, a first electromagnetic wave source and multiple first clamp bases. The first electromagnetic wave source and the first clamp bases are located on the first surface. The first electromagnetic wave source is surrounded by the first clamp bases. The first shielding plugs are respectively inserted into the first clamp bases. The first shielding plate is disposed at a side of the first surface of the circuit board module and connected to the first shielding plugs. The first shielding plate and the first shielding plugs jointly cover the first electromagnetic wave source.