Rotating Ink Reservoir Level Detection
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Solution Overview
Problem
Printers face failures due to insufficient ink supply when the ink level in the reservoir drops, as existing systems lack effective detection and alert mechanisms to prevent ink depletion.
Innovation Solution
An ink level detecting device is integrated into the ink supply system, comprising a rotating mechanism with a sensing unit and an indicating unit, which communicates with a controller to alert the user when the ink level falls below a predetermined threshold, ensuring timely refilling and preventing system failure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If no ink level detection mechanism is used, then the device complexity is reduced, but the reliability of the ink supply system deteriorates due to undetected ink depletion
Solution Approach 1:
The ink reservoir performs self-detection of ink levels through its own weight changes. The rotating portion rotates the ink reservoir itself to bring different ink levels to the sensing position, eliminating the need for external complex detection mechanisms while maintaining reliable ink level monitoring
Solution Approach 2:
The patent replaces complex mechanical level detection mechanisms with a simple sensing unit that detects ink levels through weight-based rotation positioning. The system uses gravitational force and rotational mechanics to bring the ink level to a fixed sensing point, substituting complex detection hardware with a simpler sensing approach
2Productivity
If continuous monitoring of ink level is implemented, then the productivity is improved by preventing printing interruptions, but the use of energy increases due to ongoing detection operations
Solution Approach 1:
The sensing unit monitors ink levels at periodic intervals by detecting when the rotating portion completes a rotation and the indicating unit triggers a signal. This periodic monitoring approach ensures printing continuity while minimizing energy consumption by not requiring constant active sensing
Solution Approach 2:
The system implements feedback through the indicating unit that signals when ink levels reach critical thresholds. This feedback mechanism allows the controller to respond to ink level changes and maintain printing productivity while energy is consumed only when level changes occur and trigger a detection cycle
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 effectively detects low ink levels, preventing printer failures by alerting users and ensuring continuous ink supply to the print head, thereby maintaining printing functionality.
Implementation Method 1
When the ink level of the ink reservoir is greater than a predetermined level, a weight distribution of the ink reservoir and the ink is toward a first side of the rotating portion. When the ink level of the ink reservoir is less than the predetermined level, the weight distribution of the ink reservoir and the ink is toward a second side of the rotating portion
Data Source
AI summary
An ink level detecting device rotationally coupled to an ink reservoir of an ink supply system is configured to detect an ink level of the ink reservoir. When an ink level of the ink reservoir is greater than a predetermined level, a weight distribution of the ink reservoir and the ink is toward a first side of the rotating portion. When the ink level of the ink reservoir is less than the predetermined level, the weight distribution of the ink reservoir and the ink is toward a second side of the rotating portion opposite to the first side.