Power Steering Control Board Assembly With Floating Connectors
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Solution Overview
Problem
Existing electric power steering devices face challenges in space-saving and performance enhancement due to overcrowded connectors on the substrate, which hinder mounting efficiency and assembling properties.
Innovation Solution
The electronic control device features a first board with power and GND terminals and movable connectors, and a second board with corresponding electrically connected terminals and connectors, allowing for improved assembly by adjusting the connection order and reducing stress on terminals, enabling high-density component mounting without soldering.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple connectors are attached to one surface of the power unit board, then electrical connections can be established, but the space between parts is restricted and mounting efficiency is hindered
Solution Approach 1:
The patent distributes connectors across multiple surfaces (front surface and side surface) of the power unit board rather than concentrating them on a single surface. This spatial redistribution in different dimensions increases the available mounting area and improves assembly accessibility without compromising electrical connection reliability.
Solution Approach 2:
The patent segments the connector arrangement by placing different connectors on different surfaces of the board. The front surface contains power source terminals and GND terminals, while the side surface contains other electrical connectors, thereby distributing the spatial demand and improving mounting efficiency.
2Volume of stationary object
If connectors are densely arranged on the power unit board to save space, then device compactness is improved, but assembling performance deteriorates
Solution Approach 1:
By utilizing both the front surface and side surface of the power unit board for connector placement, the patent achieves compact device volume while maintaining good assembling performance. The side surface placement specifically improves accessibility for assembly operations without increasing the device's footprint.
3Device complexity
If all electrical connections are made on one board, then the structure is simplified, but stress concentration occurs on terminals during assembly
Solution Approach 1:
The patent segments the electrical connection functions across different boards and surfaces. By placing power source terminals and GND terminals on the front surface while other connectors are on the side surface, the patent distributes mechanical stress during assembly, preventing stress concentration on single terminals while maintaining structural simplicity.
Data Source
AI summary
The assembling performance of an electronic control device can be improved. An electronic control device includes a control board 12 and a power source conversion board 13. The control board 12 includes a first power source terminal 15, a first GND terminal 16, and a male floating connector 17 on one surface. The power source conversion board 13 includes a second power source gripping terminal 18 electrically connected to the first power source terminal 15, a second GND gripping terminal 19 electrically connected to the first GND terminal 16, and a female floating connector 20 electrically connected to a male floating connector 17 on one surface.