Control Board Wire Positioning to Reduce Noise Interference
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Solution Overview
Problem
In electronic devices with compact control boards, the proximity of connectors leads to increased noise interference among wires, causing operational failures and performance deterioration of electronic components.
Innovation Solution
An electronic device design featuring a positioner on an insulated member that positions specific wires further away from the control board, reducing noise interference between wires and connectors, while maintaining a compact control board size.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If the control board size is reduced, then the device size is reduced, but the connectors are arranged closer together causing increased noise interference among wires
Solution Approach 1:
An insulated sheet is introduced as an intermediary component between the wires and the control board. This insulated sheet has a guide portion that positions wires at a distance from the control board surface, preventing direct contact and reducing noise interference while allowing the control board to maintain a compact size.
Solution Approach 2:
The guide portion of the insulated sheet creates a vertical separation (in the thickness direction of the control board) between the wires and the control board surface. This dimensional approach allows wires to be positioned farther from the control board without increasing the planar footprint, thus reducing noise interference while maintaining compact board size.
2Area of stationary object
If connectors are arranged closer together on the control board, then the control board size is reduced, but wires are moved closer to each other increasing noise interference
Solution Approach 1:
The insulated sheet serves as a mediator that decouples the relationship between connector arrangement and wire positioning. By providing a guided path that maintains wire separation, it allows connectors to be placed closer together on the control board without compromising operational reliability.
Solution Approach 2:
The insulated sheet is segmented into different functional portions: a base layer that provides insulation and a guide portion that actively positions wires. This segmentation allows the guide portion to specifically address wire positioning while the base layer provides general insulation, enabling compact connector arrangement without reliability loss.
3Device complexity
If wires are positioned closer to the control board, then the device structure is simplified, but noise interference increases causing operational failures
Solution Approach 1:
The insulated sheet combines multiple functions into a single component: electrical insulation, wire guidance, and positional stabilization. This merging reduces overall device complexity compared to using separate insulation layers, guides, and positioners, while effectively preventing noise-induced disturbances.
Solution Approach 2:
The insulated sheet performs multiple functions simultaneously: it provides electrical insulation between wires and the control board, guides wires along a predetermined path, and maintains wire positioning to prevent contact with the control board. This multi-functionality simplifies the overall wire positioning structure while reducing noise interference.
Data Source
AI summary
An electronic device includes: wires; electronic components; a control board connected to the electronic components via the wires, configured to control the electronic components, and having a first surface and a second surface; a first frame opposed to the first surface and supporting the control board; connectors arranged on the second surface of the control board, at least one of the wires each being connected to a corresponding one of the connectors; an insulated member interposed between the first frame and the first surface of the control board in a first direction; and a positioner formed on the insulated member and extending from the insulated member toward the control board in the first direction. The positioner positions at least one specific wire at a position farther from the insulated member than the second surface.