Roller Device Temperature Regulation via Internal Fluid Channels
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Solution Overview
Problem
In liquid electrophotography systems, the temperature of the roller device and media can deviate from a predetermined range due to friction, leading to low print quality, and requires efficient and uniform temperature regulation to maintain optimal printing conditions.
Innovation Solution
A roller device with a cylinder member and wall member featuring a plurality of channels that circulate a fluid, such as water, to uniformly regulate the temperature, including a sealing unit to prevent leakage, and a method to alternate between heating and cooling modes based on temperature readings to maintain the roller device within a predetermined temperature range.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If friction occurs between the roller device and media during printing, then the printing process can proceed, but the temperature of the roller device and media deviate from the predetermined range, resulting in low print quality
Solution Approach 1:
A fluid circulation system acts as an intermediary between the roller device and the external environment. The fluid flows through channels in the roller device, absorbing or releasing heat as needed, thereby mediating the temperature control to maintain print quality while allowing continuous printing operation
Solution Approach 2:
The system changes the temperature parameter of the roller device dynamically by circulating fluid at different temperatures. Based on the detected temperature deviation, the system adjusts the fluid temperature to either cool or heat the roller device, maintaining it within the predetermined range for high print quality
2Manufacturing precision
If temperature regulation is not implemented, then the device structure remains simple, but print quality deteriorates due to temperature deviation
Solution Approach 1:
The roller device is segmented to include internal channels within its structure. These channels divide the fluid circulation path into multiple flow passages, allowing efficient heat distribution throughout the roller device while integrating the temperature regulation function into the roller structure itself
Solution Approach 2:
A temperature detection device continuously monitors the roller device temperature and provides feedback to the control system. The control system processes this information and adjusts the fluid circulation accordingly, creating a closed-loop feedback mechanism that maintains print quality without requiring overly complex manual regulation
3Temperature
If fluid channels are added to the roller device, then temperature regulation efficiency improves, but device complexity increases
Solution Approach 1:
The fluid channels are merged with the roller device structure, integrating the temperature regulation function directly into the roller itself. This combination eliminates the need for separate external cooling/heating apparatus, improving temperature regulation efficiency while minimizing the increase in overall device complexity
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 solution efficiently and uniformly regulates the temperature of the roller device and media, minimizing downtime between print jobs and improving print quality by maintaining the roller device within a predetermined temperature range, thus enhancing productivity.
Implementation Method 1
a plurality of channels disposed within the wall member, the plurality of channels to circulate a fluid therein to uniformly regulate a temperature of the cylinder member
Data Source
AI summary
A roller device includes a cylinder member. The cylinder member includes wall member having a plurality of channels that are disposed within the wall member. The channels circulate a fluid therein to uniformly regulate a temperature of the cylinder member.