Conductive Pin Resin Molded Housing Integration
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Solution Overview
Problem
Existing methods for fixing conductive pins to a substrate in electronic devices increase production costs and hinder size reduction, and often result in lowered positioning accuracy due to the use of separate members and connectors.
Innovation Solution
An electronic device design where conductive pins are directly mounted on the substrate with a resin molded portion including a projection that fits into a recess in the housing, eliminating the need for separate connectors and improving positioning accuracy through a U-shaped first projection and recess configuration.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a connector separated from the casing is used to fix the conductive pin, then the conductive pin can be fixed to the substrate, but the production cost increases and device size reduction is hindered
Solution Approach 1:
The invention merges the connector and the casing into a single integrated structure. The conductive pins are directly embedded in the casing with their base portions exposed, eliminating the need for a separate connector component. This integration reduces the number of parts and simplifies the manufacturing process while maintaining the electrical connection function.
Solution Approach 2:
The invention extracts the connector function from the casing structure itself. Instead of adding a separate connector component, the casing is designed to directly provide the connector functionality through integrated conductive pins, thereby removing the unnecessary separate connector part and reducing overall device complexity.
2Manufacturing precision
If separate members such as a connector and fixing member are used to fix the conductive pin, then the conductive pin can be secured, but positioning accuracy is lowered due to accumulated tolerances
Solution Approach 1:
The invention combines the positioning and fixing functions into a single integrated structure. The conductive pins are directly positioned and fixed within the casing without intermediate members, eliminating the accumulation of tolerances that would occur with multiple separate components. The direct integration ensures higher positioning accuracy while reducing the number of members.
3Reliability
If multiple members are used to fix the conductive pin, then the connection can be secured, but the contact performance and conduction performance are lowered
Solution Approach 1:
The invention merges the conductive pins directly into the casing structure, creating a more reliable electrical connection by eliminating intermediate members that could introduce contact resistance or positioning errors. The direct integration ensures better contact performance and conduction reliability while simplifying the overall structure.
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 design reduces the number of device parts, lowers production costs, and enhances the positioning accuracy of conductive pins, leading to improved contact and conduction performance with mating connectors.
Implementation Method 1
a soldering portion soldered to the substrate
Data Source
AI summary
An electronic device includes: a substrate; a housing which covers the substrate; a plurality of conductive pins which are mounted on one edge portion of the substrate and each of which includes: a projection portion projecting from the substrate along a plane of the substrate; and a soldering portion soldered to the substrate; and a resin molded portion which includes a connection portion connecting the plurality of conductive pins. The resin molded portion includes a first projection portion, and the housing includes a recess portion receiving the first projection portion.