Ink Cartridge Electrical Interface Sliding Mechanism
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Solution Overview
Problem
The existing ink cartridges face instability in electrical connections due to dust or oxide film formation on the connection electrode portions, leading to unreliable data reading from the data storage device.
Innovation Solution
The ink cartridge design includes an electronic circuit board with an electrical interface that has a connecting portion allowing the interface to slide relative to the contact surface, ensuring a stable electrical connection by maintaining a surface condition suitable for connection, and the interface is positioned on the circuit board to facilitate reliable electrical connection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a rigid electrical interface is used on the circuit board, then the electrical connection structure is simple, but the electrical connection stability deteriorates due to dust or oxide film formation
Solution Approach 1:
The patent applies the dynamics principle by making the electrical interface movable rather than fixed. The interface can slide along the circuit board in the direction of insertion, allowing it to dynamically adjust its position and orientation during the insertion process to ensure reliable electrical connection despite dust or oxide film presence.
Solution Approach 2:
The patent changes the positional parameter of the electrical interface by allowing it to move along the circuit board. This parameter change enables the interface to find an optimal connection position that maintains stable electrical contact even when contamination is present.
2Reliability
If the electrical interface is positioned away from the ink outlet portion, then the electrical connection stability is improved, but the device layout becomes more complex
Solution Approach 1:
The electrical interface is designed to be movable along the circuit board, allowing it to dynamically position itself away from the ink outlet portion during insertion. This dynamic positioning improves electrical connection stability by avoiding contamination areas while maintaining a relatively simple overall device layout.
Data Source
AI summary
An ink cartridge comprises a main body comprising a first surface, a second surface, and a chamber, configured to store ink, disposed between the first surface and the second surface; an ink outlet portion disposed on the first surface of the main body configured to direct the ink from the chamber to an exterior of the main body; and an electronic circuit board disposed on the main body. The electronic circuit board comprises an electrical interface, a first portion facing a second direction that intersects a first plane that is perpendicular to the first direction, a second portion facing a third direction away from the ink outlet portion that intersects a second plane that is parallel to the first direction, and a connecting portion between the first portion and the second portion. The electrical interface is disposed on an area of the electronic circuit board including the connecting portion.