Board Holding Member Wire Guide for Inkjet Printer Electrical Stability
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Solution Overview
Problem
Inkjet printers face challenges in maintaining stable electrical connections between conductive members and circuit boards due to vibrations during print processing, which affects the accuracy of ink level detection, and existing solutions are complex and costly.
Innovation Solution
A liquid consuming apparatus design that includes a conductive member within a liquid container, a circuit board outside the container, and a board holding member to guide and secure the wire connection, enhancing the stability and manageability of the electrical connection using a connecting member for the conductive and wire connections.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a wire is used to electrically connect the conductive member and the circuit board, then electrical connectivity is achieved, but the connection stability deteriorates due to vibrations during print processing
Solution Approach 1:
The board holding member is designed with through holes positioned and sized in advance to guide the wire from the liquid container to the circuit board. This preliminary structural arrangement ensures the wire follows a predetermined stable path that resists vibration-induced displacement, maintaining reliable electrical connection during printer operation.
Solution Approach 2:
The board holding member acts as an intermediary structure between the liquid container and the circuit board. It provides a stable mounting platform with integrated through holes that guide and secure the wire, isolating the electrical connection from direct vibration impacts and ensuring connection stability.
2Device complexity
If the wire is connected directly without guidance structure, then the configuration is simpler, but the manageability of the wire deteriorates
Solution Approach 1:
The board holding member serves multiple functions: it holds the circuit board in position, provides structural support, and guides the wire through its through holes. By integrating these functions into a single component, the design achieves good wire manageability without proportionally increasing overall device complexity.
3Reliability
If existing connection methods are used, then electrical connection is achieved, but the manufacturing cost increases due to complex configuration
Solution Approach 1:
The board holding member combines the circuit board mounting function with the wire guidance function into a single integrated component. This merging eliminates the need for separate wire guides or complex routing structures, reducing the number of parts and assembly steps while ensuring reliable electrical connection, thereby lowering manufacturing cost.
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
The solution improves the stability and accuracy of ink level detection by ensuring reliable electrical connectivity and simplifies the connection method, reducing manufacturing costs and complexity.
Implementation Method 1
The wire may electrically connect the conductive member and the circuit board to each other
Implementation Method 2
the conductive member and the wire may be connected to each other via a connecting member, and the connecting member may have a welding part to which the conductive member is welded
Implementation Method 3
a soldering part to which the wire is soldered
Data Source
AI summary
A technique that enables electrical connectivity of a liquid container to a conductive member to be enhanced is provided. A liquid consuming apparatus includes a liquid container in which liquid is contained, a conductive member, at least a part of which is arranged within the liquid container, a circuit board that applies a voltage to the conductive member, a wire that electrically connects the conductive member and the circuit board to each other, and a board holding member that holds the circuit board. The board holding member is provided with a through hole through which the wire is passed, and the wire extends from the through hole and is connected to the circuit board.