Production Management Device for Carbon Emission Calculation
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Solution Overview
Problem
Manufacturing industries face challenges in visualizing and reducing carbon dioxide emissions during product production, requiring a method to accurately calculate emissions considering power generation techniques from both utility companies and in-house facilities to achieve a low-carbon society.
Innovation Solution
A production management device that acquires and calculates carbon dioxide emission data based on power usage and generation ratios from various power sources, including utility companies and in-house facilities, to provide a comprehensive view of emissions associated with product production.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a general method for calculating carbon dioxide emissions is used, then the calculation process is simple, but the accuracy of emission quantification is insufficient to reflect the actual power generation mix
Solution Approach 1:
The patent segments the power generation system into multiple distinct sources (utility company power generation facilities and in-house power generation facilities) and calculates emissions separately for each source based on their specific emission amounts and power supply ratios. This segmentation enables accurate quantification of emissions from each power source while maintaining a structured and manageable calculation approach.
Solution Approach 2:
The patent introduces and utilizes specific parameters including emission amounts of carbon dioxide from each power generation facility, power supply ratios from each facility, and total electric power consumption. By changing from a general emission calculation to a parameter-based calculation using these specific metrics, the system achieves accurate emission quantification that reflects the actual power generation mix.
2Object-generated harmful factors
If power is supplied from multiple power generation facilities with different emission characteristics, then the ability to reduce carbon emissions is improved, but the complexity of managing and calculating emissions increases
Solution Approach 1:
The patent implements a feedback mechanism by calculating the total carbon dioxide emissions based on the actual power supply mix from different facilities and providing this information back to the production management device. This feedback enables the system to monitor, measure, and manage emissions from multiple power generation sources, facilitating informed decisions to reduce carbon emissions while managing the complexity through structured calculation and reporting.
3Adaptability or versatility
If in-house power generation facilities are used, then the control over power supply and emission reduction is improved, but the need for accurate tracking and calculation of emissions from multiple sources increases
Solution Approach 1:
The patent creates a universal emission calculation system that can handle multiple power generation facilities (both utility company-owned and in-house facilities) using the same calculation methodology. This multi-functional approach allows the system to track and calculate emissions from diverse power sources uniformly, maintaining accurate emission data tracking while providing flexibility in power supply control and selection.
Data Source
AI summary
A production management device includes circuitry configured to acquire information indicating an emission amount of carbon dioxide corresponding to an amount of electric power supplied from each of one or more power generation facilities owned by an electric utility company having a contract for supplying electric power to a production device and a power generation facility for in-house power generation; acquire information indicating a ratio of the amount of electric power supplied from a corresponding one of the power generation facilities for the production device to produce a product; and calculate an emission amount of carbon dioxide generated by the production of the product, based on an amount of electric power used for the production of the product, the ratios of the amounts of electric power, and emission amounts of carbon dioxide corresponding to the amounts of electric power generated by one or more of the power generation facilities.