Sheet Manufacturing CO2 Tracking via Defibrating Power Measurement
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Solution Overview
Problem
Existing sheet manufacturing apparatuses face challenges in accurately measuring and reporting their carbon dioxide emission amounts, making it difficult for users to grasp and publicly disclose these emissions.
Innovation Solution
A management system that includes a sheet manufacturing apparatus equipped with a defibrating portion, a current measurement portion, and a counting portion, which calculates and transmits the defibrating power amount and production count to a server. The server then calculates the apparatus power amount and carbon dioxide emission amount, notifying the user through a network.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a sheet manufacturing apparatus is used to manufacture sheets, then productivity is improved, but it becomes difficult to accurately measure and report carbon dioxide emission amounts
Solution Approach 1:
The patent introduces a server as an intermediary between the sheet manufacturing apparatus and the user. The server receives operation information from the apparatus, calculates carbon dioxide emission amounts based on this data, and provides the results to users. This intermediary system resolves the measurement difficulty by centralizing the calculation logic and data processing, enabling accurate emission reporting without modifying the core manufacturing apparatus.
2Measurement precision
If the entire apparatus power consumption is measured to calculate carbon dioxide emissions, then measurement accuracy is improved, but device complexity increases
Solution Approach 1:
The patent segments the power consumption measurement by focusing only on the defibrating portion's motor current rather than measuring the entire apparatus. The server receives operation information including current consumption data from the defibrating motor and calculates carbon dioxide emissions based on this segmented data along with production count. This segmentation simplifies the measurement system while maintaining sufficient accuracy for emission reporting.
3Measurement precision
If detailed operation information is collected from the sheet manufacturing apparatus, then carbon dioxide emission calculation accuracy is improved, but information transmission and processing complexity increases
Solution Approach 1:
The server acts as an intermediary that handles the complexity of data processing. It receives operation information including production count and current consumption from the apparatus, performs the carbon dioxide emission calculations using stored conversion factors, and delivers the results to users. This intermediary approach allows detailed data collection without burdening the manufacturing apparatus itself with complex processing logic.
Solution Approach 2:
The system transforms physical measurement parameters (current consumption, production count) into environmental impact parameters (carbon dioxide emission amounts) through calculation. The server stores conversion factors that enable this parameter transformation, changing the data representation from operational metrics to environmental metrics without requiring complex real-time processing at the apparatus level.
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
Enables users to easily and accurately track and report the carbon dioxide emission amounts of the sheet manufacturing apparatus, facilitating environmental reporting and promoting sustainability efforts.
Implementation Method 1
a current measurement portion that measures a current consumption of the motor
Data Source
AI summary
A sheet manufacturing apparatus includes a defibrating portion that defibrates a raw material by being driven by a motor, a current measurement portion that measures a current consumption of the motor, and a counting portion that counts the production count of sheets. The sheet manufacturing apparatus, at each time of running once, calculates a defibrating power amount that is a power consumption amount of the defibrating portion based on the current consumption of the motor measured by the current measurement portion, and transmits the production count and the defibrating power amount to the server. Each time the sheet manufacturing apparatus runs once, the server calculates an apparatus power amount that is a power consumption amount of the entirety of the sheet manufacturing apparatus based on the production count and the defibrating power amount, calculates a carbon dioxide emission amount of the sheet manufacturing apparatus based on the apparatus power amount, and notifies the user of the sheet manufacturing apparatus of the calculated carbon dioxide emission amount.