PCB Harness Connection Structure Eliminating Jacks
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Solution Overview
Problem
The existing methods for connecting printed circuit boards require extra parts, such as jacks, which increase costs and complexity.
Innovation Solution
A structure that directly connects two printed circuit boards using a harness with housings and projections that fit into fixing holes on the boards, along with contact terminals and a cable for electrical connection, eliminating the need for additional parts.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a harness with jack is used to connect two printed circuit boards, then electrical connection is achieved, but extra parts (jacks) are required which increases cost and device complexity
Solution Approach 1:
The patent combines the jack structure and harness connection into a single integrated unit. The housing of the harness is designed to directly engage with the fixing portion on the PCB, merging what were previously separate components (jack + harness) into one unified connection assembly, thereby eliminating the need for separate jacks and reducing overall device complexity
Solution Approach 2:
The fixing portion on the PCB is designed to serve multiple functions: it acts as both a mechanical mounting structure for securing the harness housing and as an electrical connection interface through its contact terminals. This multi-functional design eliminates the need for separate dedicated jack components, reducing part count while maintaining reliable electrical connection
2Reliability
If a harness with jack is used to connect two printed circuit boards, then electrical connection is achieved, but extra parts (jacks) are required which increases cost
Solution Approach 1:
The patent combines the jack structure and harness connection into a single integrated unit. The housing of the harness is designed to directly engage with the fixing portion on the PCB, merging what were previously separate components (jack + harness) into one unified connection assembly, thereby eliminating the need for separate jacks and reducing overall device complexity
Solution Approach 2:
The fixing portion on the PCB is designed to serve multiple functions: it acts as both a mechanical mounting structure for securing the harness housing and as an electrical connection interface through its contact terminals. This multi-functional design eliminates the need for separate dedicated jack components, reducing part count while maintaining reliable electrical connection
3Reliability
If a harness with jack is used to connect two printed circuit boards, then electrical connection is achieved, but the connection process becomes more complex
Solution Approach 1:
The patent combines the jack structure and harness connection into a single integrated unit. The housing of the harness is designed to directly engage with the fixing portion on the PCB, merging what were previously separate components (jack + harness) into one unified connection assembly, thereby eliminating the need for separate jacks and reducing overall device complexity
Solution Approach 2:
The fixing portion is pre-integrated onto the PCB during manufacturing, with contact terminals and mounting structures already in place. This preliminary preparation allows the harness to be directly connected without requiring separate jack installation steps, simplifying the assembly process and reducing connection complexity
Data Source
AI summary
Disclosed are an improved structure for connecting printed circuit boards and display apparatus having the structure, by which two printed circuit boards are directly connected by a harness without extra parts. A structure for connecting printed circuit boards (PCBs), electrically connecting a first PCB and a second PCB with printed circuits provided thereon, the structure includes fixing holes formed in the first PCB and the second PCB, and a harness fixed to the fixing holes at both ends to electrically connect the first PCB and the second PCB, wherein the harness includes housings arranged in a pair to be fixed to the first PCB and the second PCB and having projections to be inserted and fixed to the fixing holes, contact terminals arranged in the housings to come into contact with the printed circuits, and a cable connected to the contact terminals to electrically connect the pair of housings.