A method and system for calculating carbon emissions during the construction phase of a building project

Abstract

The present invention belongs to the field of building energy and carbon emission technology, and specifically relates to a method and system for calculating carbon emissions during the construction phase of a building project, comprising: collecting and acquiring different types of engineering data during the construction phase of the building project, and calculating the carbon emissions of the corresponding types; uploading the calculated carbon emissions of the different types to a system platform, and performing data analysis and visualization. By acquiring and calculating carbon emission data for different types of engineering data during the construction phase of the building project, it is easier to understand carbon emission data from different perspectives, and by uploading the data to the system platform for statistics and analysis, it is easier to provide relatively accurate energy and carbon emission data for projects in various situations, thereby providing data support for energy conservation and carbon reduction during the construction phase.

Description

Technical Field

[0001] The present invention belongs to the technical field of building energy and carbon emissions, and specifically relates to a method and system for calculating carbon emissions during the construction phase of a building project. Background Art

[0002] The construction phase of a building project presents multiple challenges, including a diverse range of energy sources, highly complex construction processes, and a diverse workforce. These challenges directly lead to issues such as the heavy workload and difficulty of data acquisition, as well as insufficient data accuracy. This, in turn, makes it difficult to accurately reflect and quantify the actual energy consumption and carbon emissions. Summary of the Invention

[0003] The present invention aims to provide a method and system for calculating carbon emissions during the construction phase of a building project. By acquiring and calculating carbon emission data under different types of engineering data during the construction phase of a building project, it is convenient to understand carbon emission data from different perspectives. By uploading the data to a system platform for statistics and analysis, it is convenient to provide relatively accurate energy and carbon emission data for projects in various situations, thereby providing data support for energy conservation and carbon reduction during the construction phase.

[0004] A method and system for calculating carbon emissions during the construction phase of a building project, comprising:

[0005] Based on the construction phase of a building project, different types of engineering data are collected and the carbon emissions of the corresponding types are calculated;

[0006] Based on the calculated carbon emissions of different types, they are uploaded to the system platform for data analysis and visualization.

[0007] By obtaining and calculating carbon emission data under different types of engineering data during the construction phase of a building project, it is easier to understand carbon emission data from different perspectives. By uploading it to the system platform for statistics and analysis, it is easier to provide relatively accurate energy and carbon emission data for projects in various situations, thereby providing data support for energy conservation and carbon reduction during the construction phase.

[0008] Furthermore, based on the construction phase of the building project, different types of engineering data are collected and obtained, and the carbon emissions under the corresponding types are calculated, including:

[0009] Calculate the first carbon emissions based on energy type;

[0010] Calculate the second carbon emissions based on the construction process;

[0011] Calculate the third carbon emissions based on the building type.

[0012] By adopting different types and calculating the carbon emission data under the corresponding types, it is easier to understand the carbon emission data of the project under different circumstances, so as to provide data support for energy conservation and carbon reduction during the construction phase.

[0013] Furthermore, the calculating of the first carbon emissions according to the energy type includes:

[0014] During the construction phase of a building project, energy consumption data of different energy types are collected and obtained; the energy types include electric energy, diesel energy, gasoline energy, natural gas energy and renewable energy;

[0015] Based on the energy consumption data of different energy types and the corresponding carbon emission factors, calculate the carbon emissions of each energy type;

[0016] The calculation expression of the carbon emissions corresponding to the electric energy is:

[0017] ;

[0018] Where, Indicates the carbon emissions generated by electric energy; Indicates the The power data obtained by smart meters, , Indicates the total number of smart meters; Indicates the carbon emission factor of electric energy;

[0019] The calculation expression of the carbon emissions corresponding to the diesel energy is:

[0020] ;

[0021] Where, represents the carbon emissions produced by diesel energy; Indicates the Diesel data obtained by a diesel monitor, , Indicates the total number of diesel monitors; represents the carbon emission factor of diesel energy;

[0022] The calculation expression of the carbon emissions corresponding to the gasoline energy is:

[0023] ;

[0024] Where, Indicates the carbon emissions produced by gasoline energy; Indicates the Diesel data obtained by a gasoline monitor, , Indicates the total number of gasoline monitors; represents the carbon emission factor of gasoline energy;

[0025] The calculation expression of the carbon emissions corresponding to the natural gas energy is:

[0026] ;

[0027] Where, Represents the carbon emissions generated by natural gas energy; Indicates the acquired natural gas consumption; represents the carbon emission factor of natural gas energy;

[0028] The calculation expression of the carbon emissions corresponding to the renewable energy is:

[0029] ;

[0030] Where, Represents the amount of carbon emissions reduced by renewable energy; The carbon emissions reduced by replacing the national grid with the annual energy supply of the solar water heating system are expressed as follows: , represents the solar collector area, It represents the annual average solar radiation on the solar collector lighting surface. represents the average thermal efficiency of the collector based on the total area, Indicates the heat loss rate of the pipeline and heat storage device; The carbon emissions reduction of solar energy equipment that directly uses DC power is expressed as follows: , Indicates the power of solar equipment, Indicates the usage time of solar equipment; The carbon emissions reduced by equipment that converts solar energy into alternating current are expressed as follows: , Indicates the solar power meter reading;

[0031] Combine the carbon emissions of multiple energy sources to calculate the first carbon emissions;

[0032] The calculation expression of the first carbon emission is:

[0033] ;

[0034] Where, Indicates the first carbon emission.

[0035] Furthermore, the electric energy consumption data is obtained by using a smart meter; the diesel energy consumption data is obtained by using a diesel monitor; the gasoline energy consumption data is obtained by using a gasoline monitor; and the natural gas energy is directly read and obtained.

[0036] Furthermore, the calculation of the second carbon emissions according to the construction process includes:

[0037] During the construction phase of a building project, collect and obtain the engineering quantities generated by each construction process;

[0038] Calculate the carbon emissions generated by each construction process based on the engineering volume generated by each construction process and the corresponding carbon emission factors;

[0039] The calculation expression of the carbon emissions generated by the construction process is:

[0040] ;

[0041] Where, Indicates the carbon emissions generated by the construction process; Indicates the The amount of work for each construction process, , Indicates the total number of construction processes; Indicates the The carbon emission factor corresponding to each construction process is expressed as follows: , Indicates the The construction process involves The energy consumption of construction equipment The carbon emission factor for this situation is Indicates the The construction process involves The energy consumption of construction equipment The adjustment factor for this case is Indicates the The construction process involves The first construction measure Carbon emission factors of various materials, Indicates the The construction process involves The first construction measure Adjustment coefficient for each material, Indicates the Recycling rate of various materials;

[0042] The second carbon emissions are calculated based on the carbon emissions generated by the construction process, combined with the carbon emissions of the office area and living area;

[0043] The calculation expression for the carbon emissions of the office area and living area is:

[0044] ;

[0045] Where, Indicates the carbon emissions of office and living areas; Indicates the building area of office area and living area; Indicates the adjustment coefficient, its value range is 0.75~1.25;

[0046] The calculation expression of the second carbon emission is:

[0047] ;

[0048] Where, Indicates the second carbon emission.

[0049] Furthermore, the calculation of the third carbon emissions according to the building type includes:

[0050] During the construction phase of a building project, collect and obtain the building area data of each building;

[0051] Based on the building area of each building and the carbon emissions per unit area, the ideal carbon emissions are calculated;

[0052] The calculation expression of the ideal carbon emissions is:

[0053] ;

[0054] Where, represents the ideal carbon emissions; Indicates the building's floor area; Indicates carbon emissions per unit area;

[0055] Based on the ideal carbon emissions and the adjustment coefficient, the third carbon emissions are calculated;

[0056] The calculation expression of the adjustment coefficient is:

[0057] ;

[0058] Where, is the adjustment factor; Indicates the Construction carbon emission factors corresponding to the materials; Indicates the The proportion of this material in the total materials of the reference building; Indicates the Estimated proportion of this material in total building materials; Indicates the building type adjustment coefficient, its value range is 0.75~1.45;

[0059] The calculation expression of the third carbon emission amount is:

[0060] ;

[0061] Where, Represents the third carbon emissions.

[0062] Furthermore, it also includes the carbon emission optimization process, including:

[0063] Based on the currently used building materials, replace building materials, generate carbon emission data under different building materials, compare and select the best building materials, and generate the best carbon emission plan for solution storage;

[0064] Based on the current building structure, the building structure form is converted to generate carbon emission data under different building structure forms. The optimal building structure form is selected by comparison and the optimal carbon emission plan is generated and stored.

[0065] Based on the currently used construction technology, construction technology optimization is carried out to generate carbon emission data under different construction technologies. The optimal construction technology is selected through comparison and the optimal carbon emission plan is generated and stored.

[0066] A method and system for calculating carbon emissions during the construction phase of a building project, comprising:

[0067] Carbon emission monitoring module, used to obtain different types of engineering data in real time and display them visually;

[0068] Carbon emission statistics and analysis module, used to collect statistics on current carbon emission data and perform data analysis based on current carbon emission data;

[0069] The carbon asset management module is used to statistically manage the issuance, use, and exceeding of carbon emission quota data.

[0070] Furthermore, the carbon emission statistics and analysis module includes:

[0071] The statistical module is used to collect carbon emission data from office and living areas, construction sites, and key energy-consuming equipment, as well as different types of carbon emission data, and to set carbon emission targets and over-limit warnings;

[0072] The analysis module is used to dynamically analyze daily carbon emissions, monthly carbon emissions, quarterly carbon emissions, annual carbon emissions, and carbon emissions data for each construction stage.

[0073] The beneficial effects of the present invention are:

[0074] By obtaining and calculating carbon emission data under different types of engineering data during the construction phase of a building project, it is easier to understand carbon emission data from different perspectives. By uploading it to the system platform for statistics and analysis, it is easier to provide relatively accurate energy and carbon emission data for projects in various situations, thereby providing data support for energy conservation and carbon reduction during the construction phase. BRIEF DESCRIPTION OF THE DRAWINGS

[0075] Figure 1 is a flow chart of the present invention;

[0076] Figure 2 Flowchart of calculation methods under different types;

[0077] Figure 3 Schematic diagram of the system structure of the present invention. DETAILED DESCRIPTION

[0078] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0079] It should be noted that various aspects of the embodiments within the scope of the appended claims are described below. It should be apparent that the aspects described herein can be embodied in a wide variety of forms, and any specific structure and / or function described herein is merely illustrative. Based on this disclosure, it should be understood by those skilled in the art that an aspect described herein can be implemented independently of any other aspect, and two or more of these aspects can be combined in various ways. For example, any number of aspects described herein can be used to implement an apparatus and / or practice a method. In addition, other structures and / or functionalities other than one or more of the aspects described herein can be used to implement this apparatus and / or practice this method.

[0080] In addition, in the following description, specific details are provided to facilitate a thorough understanding of the examples. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood in specific situations.

[0081] Example 1

[0082] Figure 1 The method and system for calculating carbon emissions during the construction phase of a building project are shown. By obtaining and calculating carbon emission data from different types of engineering data during the construction phase, it is easy to understand carbon emission data from different perspectives. By uploading the data to the system platform for statistics and analysis, it is easy to provide relatively accurate energy and carbon emission data for various projects, thereby providing data support for energy conservation and carbon reduction during the construction phase. The specific steps include the following:

[0083] S1: Based on the construction phase of the building project, different types of engineering data are collected and the carbon emissions under the corresponding types are calculated;

[0084] S11: Calculate the first carbon emissions based on energy type;

[0085] S111: During the construction phase of a building project, collect and obtain energy consumption data of different energy types; energy types include electricity, diesel, gasoline, natural gas and renewable energy;

[0086] In this embodiment, electric energy consumption data is obtained using smart meters, which are installed in the office area, living area and construction area respectively, and large equipment such as construction elevators and tower cranes in the construction area use separate smart meters for power statistics; diesel energy consumption data is obtained using a diesel monitor, which is installed in the fuel tank of the mechanical equipment; gasoline energy consumption data is obtained using a gasoline monitor, which is installed in the fuel tank of the official vehicle; natural gas energy is directly read and obtained; among renewable energy sources, the power data of solar power generation converted into alternating current is obtained through smart meters, and solar street lights, solar water heaters, etc. cannot be directly obtained using smart meters, but can be obtained through calculation.

[0087] S112: Calculate the carbon emissions of each energy type based on the energy consumption data of different energy types and the corresponding carbon emission factors;

[0088] Among them, the calculation expression of carbon emissions corresponding to electric energy is:

[0089] ;

[0090] Where, Indicates the carbon emissions generated by electric energy, and its unit is ; Indicates the The power data obtained by smart meters, , Indicates the total number of smart meters; Represents the carbon emission factor of electric energy, and its unit is ;

[0091] The calculation expression of carbon emissions corresponding to diesel energy is:

[0092] ;

[0093] Where, Indicates the carbon emissions from diesel energy, in units of ; Indicates the Diesel data obtained by a diesel monitor, , Indicates the total number of diesel monitors; represents the carbon emission factor of diesel energy;

[0094] Among them, the calculation expression of carbon emissions corresponding to gasoline energy is:

[0095] ;

[0096] Where, Indicates the carbon emissions from gasoline energy, in units of ; Indicates the Diesel data obtained by a gasoline monitor, , Indicates the total number of gasoline monitors; represents the carbon emission factor of gasoline energy;

[0097] The calculation expression of carbon emissions corresponding to natural gas energy is:

[0098] ;

[0099] Where, Indicates the carbon emissions from natural gas energy, in units of ; Indicates the acquired natural gas consumption; represents the carbon emission factor of natural gas energy;

[0100] The calculation expression of carbon emissions corresponding to renewable energy is:

[0101] ;

[0102] Where, Indicates the amount of carbon emissions reduced by renewable energy, in units of ; Indicates the amount of carbon emissions reduced by replacing the national grid with solar water heating system annual energy supply, in units of , whose expression is: , Represents the solar collector area, its unit is , It represents the annual average solar radiation on the solar collector lighting surface, and its unit is , Indicates the average thermal efficiency of the collector based on the total area, and its unit is %. Indicates the heat loss rate of pipelines and heat storage devices, its unit is %; Indicates the amount of carbon emissions reduced by solar energy equipment that directly applies DC power, in units of , whose expression is: , Indicates the power of solar equipment, Indicates the usage time of solar equipment; Indicates the amount of carbon emissions reduced by equipment that converts solar energy into alternating current, in units of , whose expression is: , Indicates the solar power meter reading;

[0103] S113: Calculating a first carbon emission amount by combining carbon emissions of multiple energy sources;

[0104] Among them, the calculation expression of the first carbon emission is:

[0105] ;

[0106] Where, Indicates the first carbon emission, its unit is .

[0107] S12: Calculate the second carbon emissions according to the construction process;

[0108] S121: During the construction phase of the building project, the amount of work generated by each construction process is collected and obtained;

[0109] During the construction phase of a building project, there are different construction stages, including foundation and foundation engineering, structural engineering, decoration and installation engineering, small municipal engineering, etc. Each construction stage includes multiple construction processes. Each construction process is designed to include the fuel consumption and electricity consumption generated by the use of various types of mechanical equipment, the carbon emissions generated by different materials in the measures project, and the carbon emissions generated by office areas and living areas.

[0110] Traditional calculations of carbon emissions during the construction phase are based on the number of machine shifts and the carbon emission factor for each machine. This can lead to issues such as a large workload, delayed and inaccurate statistics, and the neglect of various materials used to support construction, which do not contribute to the carbon emissions of the building itself. This application calculates the carbon emissions from the construction process, including the carbon emissions from materials used to support construction, and also addresses carbon emissions from office and living areas.

[0111] S122: Calculate the carbon emissions generated by each construction process based on the engineering volume generated by each construction process and the corresponding carbon emission factor;

[0112] Among them, the calculation expression of carbon emissions generated by the construction process is:

[0113] ;

[0114] Where, Indicates the carbon emissions generated by the construction process, and its unit is ; Indicates the The amount of work for each construction process, , Indicates the total number of construction processes; Indicates the The carbon emission factor corresponding to each construction process is expressed as follows: , Indicates the The construction process involves The energy consumption of construction equipment The carbon emission factor for this situation is Indicates the The construction process involves The energy consumption of construction equipment The adjustment factor for this case is Indicates the The construction process involves The first construction measure Carbon emission factors of various materials, Indicates the The construction process involves The first construction measure Adjustment coefficient for each material, Indicates the Recycling rate of various materials;

[0115] S123: Calculate a second carbon emission amount based on the carbon emissions generated by the construction process and the carbon emissions from the office area and living area;

[0116] Among them, the calculation expression of carbon emissions in office area and living area is:

[0117] ;

[0118] Where, Indicates the carbon emissions of office and living areas, and its unit is ; Indicates the building area of office area and living area; It represents the adjustment coefficient, which ranges from 0.75 to 1.25, depending on the building type and structure type;

[0119] The calculation expression of the second carbon emission is:

[0120] ;

[0121] Where, Represents the second carbon emission, its unit is .

[0122] S13: Calculate the third carbon emissions based on the building type.

[0123] S131: During the construction phase of the building project, collect and obtain the building area data of each building;

[0124] S132: Calculate the ideal carbon emissions based on the building area of each building and the carbon emissions per unit area;

[0125] The calculation expression of ideal carbon emissions is:

[0126] ;

[0127] Where, represents the ideal carbon emissions, and its unit is ; Indicates the building's floor area; Indicates carbon emissions per unit area;

[0128] S133: Calculate the third carbon emissions based on the ideal carbon emissions and the adjustment coefficient;

[0129] The calculation expression of the adjustment coefficient is:

[0130] ;

[0131] Where, is the adjustment factor; Indicates the The construction carbon emission factors corresponding to the materials are based on empirical values measured based on engineering quantities; Indicates the The proportion of this material in the total materials of the reference building; Indicates the Estimated proportion of this material in total building materials; The building type adjustment coefficient ranges from 0.75 to 1.45, depending on the concrete structure, steel structure, mixed structure, composite structure, and different building types such as residential buildings, hospital buildings, school buildings, and railway stations;

[0132] Among them, the calculation expression of the third carbon emission is:

[0133] ;

[0134] Figure 2 Flowchart showing different types of carbon emissions calculations.

[0135] S2: Based on the calculated carbon emissions of different types, upload them to the system platform and perform data analysis and visualization.

[0136] In this embodiment, the first carbon emissions are calculated in real time using actual measured values, and the system platform displays the data output according to office areas, living areas, construction sites, and key energy-consuming machinery and equipment, and collects data according to foundation and foundation, structural engineering, decoration and installation engineering; the second carbon emissions are calculated based on the engineering quantity, and the system platform can display the carbon emissions of any construction process; the third carbon emissions are estimated, and the system platform displays the expected carbon emissions data for the entire construction phase.

[0137] In this embodiment, a carbon emission optimization process is also included, including:

[0138] S31: Based on the currently used building materials, replace the building materials, generate carbon emission data under different building materials, compare and select the optimal building materials, and generate the optimal carbon emission plan for storage;

[0139] In actual application, if the existing steel bar type is input and high-strength steel bars are selected to replace building materials, the carbon reduction amount corresponding to the plan is generated and the plan is stored.

[0140] S32: Based on the currently used building structure, convert the building structure form to generate carbon emission data under different building structure forms, compare and select the optimal building structure form, generate the optimal carbon emission plan and store the plan.

[0141] In actual application, if a cast-in-place concrete structure is input, a prefabricated building structure is selected to convert the building structure form, the carbon reduction amount corresponding to the scheme is generated, and the scheme is stored.

[0142] S33: Based on the currently used construction technology, optimize the construction technology, generate carbon emission data under different construction technologies, compare and select the optimal construction technology, generate the optimal carbon emission plan and store the plan;

[0143] In actual application, if the on-site casting construction technology is input, the construction technology of prefabricated and on-site assembled components is selected for replacement, the carbon reduction amount corresponding to the scheme is generated, and the scheme is stored.

[0144] Example 2

[0145] In this embodiment, if Figure 3 As shown, a system for calculating carbon emissions during the construction phase of a building project is provided, including a carbon emissions monitoring module, a carbon emissions statistics and analysis module, and a carbon asset management module, which are used to realize the functions of energy data collection, carbon emissions data conversion, data statistics and analysis, establishment of an enterprise carbon emissions model, and formation of a carbon reduction strategy.

[0146] Specifically, the carbon emission monitoring module is used to obtain different types of engineering data in real time and display them visually;

[0147] Specifically, the carbon emission statistics and analysis module is used to collect statistics on current carbon emission data and perform data analysis based on the current carbon emission data; it includes:

[0148] The statistical module is used to collect carbon emission data from office and living areas, construction sites, and key energy-consuming equipment, as well as different types of carbon emission data, and to set carbon emission targets and over-limit warnings;

[0149] The analysis module is used to dynamically analyze daily carbon emissions, monthly carbon emissions, quarterly carbon emissions, annual carbon emissions, and carbon emissions data for each construction stage.

[0150] Specifically, the carbon asset management module is used to statistically manage the issuance, use, and exceeding of carbon emission quotas.

[0151] Throughout this specification, reference to terms such as "one embodiment," "some embodiments," "examples," "specific examples," or "some examples" means that a specific feature, structure, material, or characteristic described in conjunction with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0152] Although the embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and are not to be construed as limitations on the present invention. A person skilled in the art may change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A method for calculating carbon emissions during the construction phase of a building project, characterized in that: include: Based on the construction phase of a building project, different types of engineering data are collected and the carbon emissions of the corresponding types are calculated; Based on the calculated carbon emissions of different types, upload them to the system platform for data analysis and visualization; Based on the construction phase of the building project, different types of engineering data are collected and obtained, and the carbon emissions under the corresponding types are calculated, including: Calculate the first carbon emissions based on energy type; Calculate the second carbon emissions based on the construction process; Calculate the third carbon emissions based on the building type; It also includes carbon emission optimization processes, including: Based on the currently used building materials, replace building materials, generate carbon emission data under different building materials, compare and select the best building materials, and generate the best carbon emission plan for solution storage; Based on the current building structure, the building structure form is converted to generate carbon emission data under different building structure forms. The optimal building structure form is selected by comparison and the optimal carbon emission plan is generated and stored. Based on the current construction technology, optimize the construction technology, generate carbon emission data under different construction technologies, compare and select the best construction technology, generate the best carbon emission plan and store the plan; The third carbon emissions are calculated based on the building type, including: During the construction phase of a building project, collect and obtain the building area data of each building; Based on the building area of each building and the carbon emissions per unit area, the ideal carbon emissions are calculated; The calculation expression of the ideal carbon emissions is: ； Where, represents the ideal carbon emissions; Indicates the building's floor area; Indicates carbon emissions per unit area; Based on the ideal carbon emissions and the adjustment coefficient, the third carbon emissions are calculated; The calculation expression of the adjustment coefficient is: ； Where, is the adjustment factor; Indicates the Construction carbon emission factors corresponding to the materials; Indicates the The proportion of this material in the total materials of the reference building; Indicates the Estimated proportion of this material in total building materials; Indicates the building type adjustment coefficient, its value range is 0.75~1.45; The calculation expression of the third carbon emission amount is: ； Where, Represents the third carbon emissions.

2. A method for calculating carbon emissions during the construction phase of a building project according to claim 1, characterized in that: The calculating of the first carbon emissions according to the energy type includes: During the construction phase of a building project, energy consumption data of different energy types are collected and obtained; the energy types include electric energy, diesel energy, gasoline energy, natural gas energy and renewable energy; Based on the energy consumption data of different energy types and the corresponding carbon emission factors, calculate the carbon emissions of each energy type; The calculation expression of the carbon emissions corresponding to the electric energy is: ； Where, Indicates the carbon emissions generated by electric energy; Indicates the The power data obtained by smart meters, , Indicates the total number of smart meters; Indicates the carbon emission factor of electric energy; The calculation expression of the carbon emissions corresponding to the diesel energy is: ； Where, represents the carbon emissions produced by diesel energy; Indicates the Diesel data obtained by a diesel monitor, , Indicates the total number of diesel monitors; represents the carbon emission factor of diesel energy; The calculation expression of the carbon emissions corresponding to the gasoline energy is: ； Where, Indicates the carbon emissions produced by gasoline energy; Indicates the Diesel data obtained by a gasoline monitor, , Indicates the total number of gasoline monitors; represents the carbon emission factor of gasoline energy; The calculation expression of the carbon emissions corresponding to the natural gas energy is: ； Where, Represents the carbon emissions generated by natural gas energy; Indicates the acquired natural gas consumption; represents the carbon emission factor of natural gas energy; The calculation expression of the carbon emissions corresponding to the renewable energy is: ； Where, represents the amount of carbon emissions reduced by renewable energy; The carbon emissions reduced by replacing the national grid with the annual energy supply of the solar water heating system are expressed as follows: , represents the solar collector area, It represents the annual average solar radiation on the solar collector lighting surface. represents the average thermal efficiency of the collector based on the total area, Indicates the heat loss rate of the pipeline and heat storage device; The carbon emissions reduction of solar energy equipment that directly uses DC power is expressed as follows: , Indicates the power of solar equipment, Indicates the usage time of solar equipment; The carbon emissions reduced by equipment that converts solar energy into alternating current are expressed as follows: , Indicates the solar power meter reading; Combine the carbon emissions of multiple energy sources to calculate the first carbon emissions; The calculation expression of the first carbon emission is: ； Where, Indicates the first carbon emission.

3. A method for calculating carbon emissions during the construction phase of a building project according to claim 2, characterized in that: Acquisition of energy consumption data of the energy type includes: The electric energy consumption data is obtained by using a smart meter; the diesel energy consumption data is obtained by using a diesel monitor; the gasoline energy consumption data is obtained by using a gasoline monitor; and the natural gas energy is directly read and obtained.

4. The method for calculating carbon emissions during the construction phase of a building project according to claim 1, characterized in that: The second carbon emissions calculation according to the construction process includes: During the construction phase of a building project, collect and obtain the engineering quantities generated by each construction process; Calculate the carbon emissions generated by each construction process based on the engineering volume generated by each construction process and the corresponding carbon emission factors; The calculation expression of the carbon emissions generated by the construction process is: ； Where, Indicates the carbon emissions generated by the construction process; Indicates the The amount of work for each construction process, , Indicates the total number of construction processes; Indicates the The carbon emission factor corresponding to each construction process is expressed as: , Indicates the The construction process involves The energy consumption of construction equipment The carbon emission factor for this situation is Indicates the The construction process involves The energy consumption of construction equipment The adjustment factor for this situation is Indicates the The construction process involves The first construction measure Carbon emission factors of various materials, Indicates the The construction process involves The first construction measure Adjustment coefficient for each material, Indicates the Recycling rate of various materials; The second carbon emissions are calculated based on the carbon emissions generated by the construction process, combined with the carbon emissions of the office area and living area; The calculation expression for the carbon emissions of the office area and living area is: ； Where, Indicates the carbon emissions of office and living areas; Indicates the building area of office area and living area; Indicates the adjustment coefficient, its value range is 0.75~1.25; The calculation expression of the second carbon emission is: ； Where, Indicates the second carbon emission.

5. A system for calculating carbon emissions during the construction phase of a building project according to claim 1, characterized in that: include: Carbon emission monitoring module, used to obtain different types of engineering data in real time and display them visually; Carbon emission statistics and analysis module, used to collect statistics on current carbon emission data and perform data analysis based on current carbon emission data; The carbon asset management module is used to statistically manage the issuance, use, and exceeding of carbon emission quota data.

6. The system for calculating carbon emissions during the construction phase of a building project according to claim 5, characterized in that: The carbon emission statistics and analysis module includes: The statistical module is used to collect carbon emission data from office and living areas, construction sites, and key energy-consuming equipment, as well as different types of carbon emission data, and to set carbon emission targets and over-limit warnings; The analysis module is used to dynamically analyze daily carbon emissions, monthly carbon emissions, quarterly carbon emissions, annual carbon emissions, and carbon emissions data for each construction stage.

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