City region railway traffic full-link carbon emission accounting system and accounting method

By dynamically tracking the carbon emission factors of materials, electricity and recycling sources, combining the time attenuation model and service weights, the problem of ignoring regional power structure differences in the existing technology is solved, and accurate accounting and dynamic optimization of carbon emissions in the entire link of urban railway transportation is achieved.

CN120409964AInactive Publication Date: 2025-08-01CHINA POWER CONSTR CHENGDU CONSTR INVESTMENT CO LTD +1
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Patent Information

Application Number
CN202510905473.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-07-02
Publication Date
2025-08-01
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

The existing carbon emission accounting system ignores regional power structure differences, resulting in a decrease in the accuracy and timeliness of accounting results, lack of a sensitivity analysis feedback mechanism, and it is difficult to identify and optimize the impact factors of carbon emissions.

Method used

It provides a carbon emission accounting system for all links of urban railway transportation, including a data collection and processing unit, a carbon emission factor tracking unit and a carbon emission sharing calculation unit. By dynamically tracking materials, electricity and recycling sources, combining the time attenuation model and service weights, it realizes dynamic timing decomposition of carbon emissions and operational intensity correlation accounting.

Benefits of technology

Accurately characterize the evolutionary laws of carbon emissions, enhance the response capabilities of new energy fluctuations, provide scientific basis for the division of carbon emission responsibilities, and support low-carbon scheduling and refined management.

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Abstract

The invention relates to the technical field of carbon emission accounting, in particular to a city railway traffic full-link carbon emission accounting system and method, and the system comprises a data collection and processing unit which is used for obtaining the activity data of a raw material stage, a construction stage, an operation and maintenance stage, and a scrap recovery stage; the carbon emission factor tracking unit is used for acquiring a material life cycle carbon factor, a power grid carbon intensity factor and a recycling benefit carbon factor; the emission allocation calculation unit is used for carrying out carbon emission accounting on activity data of a raw material stage, a construction stage, an operation maintenance stage and a scrap recovery stage based on a material life cycle carbon factor, a power grid carbon strength factor and a recycling benefit carbon factor, so as to obtain a total carbon emission amount of a whole link; according to the accounting method, the response capability of the new energy fluctuation to the carbon intensity is enhanced, and data support is provided for sensitivity analysis and dynamic optimization of the carbon emission influence factors.
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