Airflow Control Louvers for Image Formation Cooling
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Solution Overview
Problem
Existing image forming apparatuses face issues with airflow direction control, leading to discomfort for users and sheet misalignment due to uncontrolled airflow, which can cause sheets to stick together and heat dissipation problems.
Innovation Solution
An image formation air blowing device with an outlet and airflow control portion that directs airflow horizontally in the target space, using a fan unit and adjustable louvers to control airflow direction, ensuring it abuts the sheet surface effectively and minimizes airflow towards users.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If the blowing device blows cool wind toward the lower surface of the sheet without airflow direction control, then the sheet cooling function is achieved, but the airflow may cause discomfort to users and lead to sheet misalignment and sticking
Solution Approach 1:
The patent employs adjustable louvers that can dynamically change the airflow direction in the horizontal plane. This dynamic adjustment capability allows the system to adapt the airflow pattern to different operating conditions, directing cool air effectively onto the sheet surface while preventing airflow from reaching users or causing sheet misalignment issues.
Solution Approach 2:
The airflow control portion creates localized quality differences in the airflow distribution. By controlling the horizontal direction of airflow through adjustable louvers, the system concentrates cooling effect on the sheet surface while creating airflow-free zones in user areas, thus achieving effective cooling without causing user discomfort or sheet handling problems.
2Ease of manufacture
If the airflow is blown without direction control, then the cooling function is simple to implement, but sheets may stick together and misalign on the discharge table
Solution Approach 1:
The adjustable louver mechanism provides dynamic airflow direction control that can be adapted to different sheet sizes and discharge positions. This maintains relatively simple device implementation while significantly improving sheet alignment precision by preventing unauthorized airflow contact with discharged sheets.
3Object-affected harmful factors
If the airflow control portion controls airflow direction in horizontal plane, then sheet alignment and user comfort are improved, but the device complexity increases
Solution Approach 1:
The patent implements a relatively simple adjustable louver mechanism that provides dynamic airflow direction control in the horizontal plane. This dynamic structure allows the system to achieve effective sheet alignment and user comfort protection without requiring complex multi-dimensional control systems, thus balancing functionality with device simplicity.
Solution Approach 2:
The airflow control portion introduces localized directional control only where needed (horizontal plane adjustment), rather than controlling all airflow parameters. This selective application of control complexity achieves the necessary sheet alignment and user comfort improvements while minimizing overall device complexity.
4Temperature
If the blowing device is positioned below the sheet without airflow direction control, then the cooling efficiency is high, but the airflow may blow sheets around causing misalignment
Solution Approach 1:
The adjustable louvers provide dynamic directional control that allows the system to maintain high cooling efficiency by directing airflow upward onto the sheet surface while simultaneously preventing horizontal airflow components that would cause sheet misalignment. The dynamic adjustment capability enables optimal cooling-to-stability ratio.
Solution Approach 2:
The airflow control creates localized vertical airflow zones for efficient cooling while eliminating horizontal airflow components that would disturb sheet position. This localized quality control in the horizontal plane allows the system to maintain high cooling efficiency without sacrificing sheet position accuracy.
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
Prevents airflow-related discomfort and sheet misalignment, enhancing cooling efficiency while reducing the likelihood of sheets sticking together, thus improving the image forming process.
Implementation Method 1
the blowing device includes a fan unit that generates airflow
Implementation Method 2
The airflow control portion controls a direction of the airflow at least in a horizontal plane in the target space
Data Source
AI summary
An image formation air blowing device includes an outlet and an airflow control portion. The outlet blows out an airflow toward a target space on a discharge table to which a sheet with an image formed thereon by an image forming portion is discharged. The airflow control portion controls a direction of the airflow at least in a horizontal plane in the target space.