CN113822512A - Energy sustainability assessment method and device for building system - Google Patents
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Abstract
The invention discloses an energy sustainability assessment method and device of a building system, wherein the method comprises the following steps: acquiring the type of energy used in a building system to be evaluated, the proportion of each type of energy used by the building system to be evaluated, the sustainable development index of each type of energy, the power generation efficiency of each type of energy and the full life cycle cost of each type of energy; calculating an evaluation index of each type of energy according to the sustainable development index of each type of energy, the first weight, the power generation efficiency, the second weight, the full life cycle cost and the third weight; and determining the sustainability evaluation value of the building system according to the proportion of each type of energy and the evaluation index of each type of energy. According to the embodiment of the invention, the reliability of the evaluation result of the sustainable development of the energy structure of the building system can be improved, and reliable data reference is provided for the transformation of the energy structure.
Description
Technical Field
The invention belongs to the field of building energy supply and consumption, and particularly relates to an energy sustainability assessment method and device for a building system.
Background
With the rapid promotion of industrialization and urbanization in China and the rapid increase of economy, the contradiction between people and the environment is more acute. Sustainable development which can meet the requirements of contemporary people and can ensure the requirements of progeny resources is a long-term strategy of inevitable choice in China, so that more and more attention is paid to promotion of energy structure transformation and development of renewable energy.
Renewable energy sources such as wind, solar and the like do not consume fossil fuel and discharge pollutants in the power generation process. The renewable energy power generation process has little influence on the environment, but an energy production system in a power generation system for generating power by renewable energy consumes a large amount of energy in the production and manufacturing process, so that the proportion of the traditional fossil energy power generation is reduced in the process of energy structure transformation, and the improvement of the proportion of the renewable energy power generation is a new way for realizing economic high-quality development. In the process of energy structure transformation, the current energy structure needs to be evaluated, and the influence of renewable energy power generation on the environment needs to be scientifically and systematically researched.
At present, the traditional analysis method for the energy structure of the building system has great limitations, for example, evaluation on power generation efficiency, full life cycle cost and the like, so that the evaluation result of the sustainable development of the energy structure of the building system obtained by calculation is not accurate, and therefore, reliable data reference cannot be provided for the transformation of the energy structure.
Disclosure of Invention
The embodiment of the invention provides an energy sustainability assessment method and device for a building system, which can improve the reliability of assessment results of sustainable development of an energy structure of the building system and provide reliable data reference for energy structure transformation.
In a first aspect, an embodiment of the present invention provides a method for evaluating energy sustainability of a building system, where the method includes:
acquiring the type of energy used in a building system to be evaluated, the proportion of each type of energy used by the building system to be evaluated, the sustainable development index of each type of energy, the power generation efficiency of each type of energy and the full life cycle cost of each type of energy; and the number of the first and second groups,
obtaining a first weight of a sustainable development index of each type of energy, a second weight of a power generation efficiency of each type of energy, and a third weight of a full life cycle cost of each type of energy;
calculating an evaluation index of each type of energy according to the sustainable development index of each type of energy, the first weight, the power generation efficiency, the second weight, the full life cycle cost and the third weight;
and determining the sustainability evaluation value of the building system according to the proportion of each type of energy and the evaluation index of each type of energy.
In some implementations of the first aspect, the type of energy source includes one or more of wind energy, water energy, solar energy, coal, and gas.
In some implementations of the first aspect, obtaining the sustainable development index for each type of energy source comprises:
acquiring energy value information of an energy value production system of each type of energy, wherein the energy value information comprises an economic input energy value of the energy value production system, a yield energy value of the energy value production system, a total input energy value of non-renewable energy sources of the energy value production system and an input energy value of renewable energy sources of the energy value production system;
determining the energy value output rate of the energy value production system of each type of energy according to the ratio of the output energy value to the economic input energy value; and the number of the first and second groups,
determining the environmental load rate of the energy production system according to the ratio of the total input energy value of the non-renewable energy sources to the input energy value of the renewable energy sources;
and determining the sustainable development index of the energy production system according to the ratio of the energy yield to the environmental load rate.
In some implementations of the first aspect, the total non-renewable energy input energy value is a sum of the non-renewable energy input energy value and the economic input energy value.
In some implementations of the first aspect, when the category of energy sources includes solar energy, obtaining the energy value information of the energy value production system for each category of energy sources includes:
acquiring the land area of a solar energy production system and the unit average radiant energy of the sun;
and determining the input energy value of the renewable energy source of the solar energy source production system according to the product of the land area of the solar energy source production system and the unit average radiant energy of the sun.
In some implementations of the first aspect, when the category of energy sources includes wind, obtaining the energy value information of the energy value production system for each category of energy sources includes:
acquiring the land area of the wind energy value production system, the height of an air layer where the wind energy value production system is located, the air density of the air layer, the vortex diffusion coefficient, the wind speed gradient change rate and the solar energy value conversion rate;
and determining the input energy value of the renewable energy source of the wind energy value production system according to the product of the land area of the wind energy value production system, the height of the air layer where the wind energy value production system is located, the air density of the air layer, the vortex diffusion coefficient, the wind speed gradient change rate and the solar energy value conversion rate.
In a second aspect, an embodiment of the present invention provides an energy sustainability assessment apparatus for a building system, the apparatus including:
the data acquisition module is used for acquiring the types of the energy sources used in the building system to be evaluated, the proportion of each type of energy source used by the building system to be evaluated, the sustainable development index of each type of energy source, the power generation efficiency of each type of energy source and the full life cycle cost of each type of energy source; and the number of the first and second groups,
the data acquisition module is further used for acquiring a first weight of the sustainable development index of each type of energy, a second weight of the power generation efficiency of each type of energy and a third weight of the full life cycle cost of each type of energy;
the data processing module is used for calculating the evaluation index of each type of energy according to the sustainable development index of each type of energy, the first weight, the power generation efficiency, the second weight, the total life cycle cost sum and the third weight;
and the data processing module is also used for determining the sustainability evaluation value of the building system according to the proportion of each type of energy and the evaluation index of each type of energy.
In some implementations of the second aspect, the obtaining module is configured to obtain the energy value information of the energy value production system for each type of energy source, where the energy value information includes an economic input energy value of the energy value production system, a yield energy value of the energy value production system, a total input energy value of non-renewable energy sources of the energy value production system, and an input energy value of renewable energy sources of the energy value production system;
the data processing module is used for determining the energy value output rate of the building system according to the ratio of the output energy value to the economic input energy value; determining the environmental load rate of the building system according to the ratio of the total input energy value of the non-renewable energy sources to the input energy value of the renewable energy sources;
and the data processing module is also used for determining the sustainable development index of the building system according to the ratio of the energy output rate to the environmental load rate.
In a third aspect, the present invention provides an energy sustainability assessment apparatus for a construction system, the apparatus comprising: a processor and a memory storing computer program instructions; the processor, when executing the computer program instructions, implements the method for energy sustainability assessment of a building system as set forth in the first aspect or any of the realizable forms of the first aspect.
In a fourth aspect, the present invention provides a computer-readable storage medium having stored thereon computer program instructions, which, when executed by a processor, implement the method for energy sustainability assessment of a building system according to the first aspect or any of the realizable forms of the first aspect.
The embodiment of the invention provides an energy sustainability evaluation method of a building system, which comprehensively considers the power generation efficiency, the full life cycle cost and the energy sustainability index of each type of energy used in the building system to be evaluated from the perspective of system ecology, calculates the evaluation index of each type of energy according to the weighted values of the power generation efficiency, the full life cycle cost and the energy sustainability index, and simultaneously determines the sustainability evaluation value of the building system by combining the proportion of each type of energy used by the building system, thereby effectively improving the accuracy of the comprehensive evaluation result of the energy structure of the building system, providing reliable data reference for the energy structure transformation and reducing the negative influence on the environment in the energy structure transformation process.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic flow chart of a method for assessing energy sustainability of a building system according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of energy value information of an energy production process according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of an energy sustainability assessment apparatus of a building system according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of an energy sustainability assessment apparatus of a building system according to an embodiment of the present invention.
Detailed Description
Features and exemplary embodiments of various aspects of the present invention will be described in detail below, and in order to make objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting. It will be apparent to one skilled in the art that the present invention may be practiced without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the present invention by illustrating examples of the present invention.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
With the rapid promotion of industrialization and urbanization in China and the rapid increase of economy, the contradiction between people and the environment is more acute. Sustainable development which can meet the requirements of contemporary people and can ensure the requirements of progeny resources is a long-term strategy of inevitable choice in China, so that more and more attention is paid to promotion of energy structure transformation and development of renewable energy.
Renewable energy sources such as wind, solar and the like do not consume fossil fuel and discharge pollutants in the power generation process. The renewable energy power generation process has little influence on the environment, but an energy production system in a power generation system for generating power by renewable energy consumes a large amount of energy in the production and manufacturing process, so that the proportion of the traditional fossil energy power generation is reduced in the process of energy structure transformation, and the improvement of the proportion of the renewable energy power generation is a new way for realizing economic high-quality development. In the process of energy structure transformation, the current energy structure needs to be evaluated, and the influence of renewable energy power generation on the environment needs to be scientifically and systematically researched.
At present, the traditional analysis method for the energy structure of the building system has great limitations, for example, evaluation on power generation efficiency, full life cycle cost and the like, so that the evaluation result of the sustainable development of the energy structure of the building system obtained by calculation is not accurate, and therefore, reliable data reference cannot be provided for the transformation of the energy structure.
In view of system ecology, the embodiment of the present invention provides an energy sustainability evaluation method for a building system, and the method comprehensively considers the power generation efficiency, the full life cycle cost, and the energy sustainability index of each type of energy used in the building system to be evaluated, calculates an evaluation index of each type of energy according to weighted values of the power generation efficiency, the full life cycle cost, and the energy sustainability index, and determines the sustainability evaluation value of the building system in combination with the proportion of each type of energy used by the building system, so as to improve the reliability of data of the sustainability evaluation value.
The following describes a method for evaluating energy sustainability of a building system according to an embodiment of the present invention with reference to the accompanying drawings.
FIG. 1 is a schematic flow chart illustrating a method for assessing energy sustainability of a building system according to an embodiment of the present invention. As shown in fig. 1, the method may include the following S110-S130:
s110, acquiring the type of energy used in the building system to be evaluated, the proportion of each type of energy used by the building system to be evaluated, the sustainable development index of each type of energy, the power generation efficiency of each type of energy and the full life cycle cost of each type of energy; and obtaining a first weight of the sustainable development index of each type of energy, a second weight of the power generation efficiency of each type of energy, and a third weight of the full life cycle cost of each type of energy.
In some embodiments, the type of energy source used in the building system to be evaluated may include one or more of wind energy, water energy, solar energy, coal, and gas.
In order to improve the accuracy of the sustainability evaluation of the building system to be evaluated, the types of energy sources of the building system and the proportion of each type of energy used by the building system to be evaluated need to be obtained first. And obtaining the sustainable development index of each type of energy, the power generation efficiency of each type of energy and the full life cycle cost of each type of energy.
In some embodiments, the sustainable development index of the energy production system for each type of energy source may be obtained according to S111-S113 for accurate quantitative analysis of the different types of energy sources.
S111, acquiring energy value information of an energy value production system of each type of energy source, wherein the energy value information comprises an economic input energy value of the energy value production system, a yield energy value of the energy value production system, a total input energy value of non-renewable energy sources of the energy value production system and an input energy value of renewable energy sources of the energy value production system.
In some embodiments, the economic input energy value is from human socioeconomic including fuel, various production data, labor, etc., that is, the economic input energy value may include human input, asset input, operation input, etc.
In some embodiments, the type of energy source used in the building system may include one or more of wind energy, water energy, solar energy, coal and gas. Illustratively, fig. 2 shows energy value information for one type of energy production process.
Referring to fig. 2, the energy production process may include an economic input energy value F of the energy production system, a yield energy value Y of the energy production system, an input energy value R of renewable energy of the energy production system, and a total input energy value of non-renewable energy of the energy production system.
In some embodiments, the total non-renewable energy input energy value is the sum of the non-renewable energy input energy value N and the economic input energy value F.
It is understood that for a process of producing energy using renewable energy, the energy input of the non-renewable energy source N may be 0; the energy input for renewable energy source N may be 0 for a process that uses non-renewable energy sources for producing energy. In the embodiment of the present invention, the model of the energy source may be specifically analyzed according to the specific production condition, and is not specifically limited herein.
In some embodiments, when the category of energy sources includes solar energy, obtaining the energy value information of the energy value production system for each category of energy sources includes: firstly, acquiring the land area of a solar energy production system and the unit average radiant energy of the sun; and then determining the energy value information of the solar energy value production system according to the product of the land area of the solar energy value production system and the unit average radiant energy of the sun. Specifically, the input energy value of the renewable energy source of the solar energy source production system is obtained according to the product of the land area of the solar energy source production system and the unit average radiant energy of the sun.
In some embodiments, when the category of energy sources includes wind, obtaining energy value information for the energy value production system for each category of energy sources includes: firstly, acquiring the land area of a wind energy value production system, the height of an air layer where the wind energy value production system is located, the air density of the air layer, the vortex diffusion coefficient, the wind speed gradient change rate and the solar energy value conversion rate; and next, determining the energy value information of the wind energy value production system according to the product of the land area of the wind energy value production system, the height of the air layer where the wind energy value production system is located, the air density of the air layer, the vortex diffusion coefficient, the wind speed gradient change rate and the solar energy value conversion rate. Specifically, the input energy value of the renewable energy source of the energy value production system of wind energy is obtained according to the product of the land area of the energy value production system of wind energy, the height of the air layer where the energy value production system of wind energy is located, the air density of the air layer, the vortex diffusion coefficient, the wind speed gradient change rate and the solar energy value conversion rate.
Next, an energy Yield (effective Yield Ratio) and an Environmental Loading Ratio (ELR) of the energy production system may be calculated according to S112.
S112, determining the energy value output rate of the building system according to the ratio of the output energy value to the economic input energy value; and determining the environmental load rate of the building system according to the ratio of the total input energy value of the non-renewable energy sources to the input energy value of the renewable energy sources.
Illustratively, the energy yield may be obtained according to equation (1).
EYR＝Y/F (1)
In some embodiments, a higher value of the energy yield value indicates that the energy production system for the class gains a certain economic energy value into the product produced with a higher value of the product, i.e., the production of the energy production system for the class is more efficient.
For example, the energy yield may be obtained according to equation (2).
ELR＝(F+N)/R (2)
The environmental load rate can be obtained, so that the pressure index of the production activity to the environment can be measured. For example, the greater the value of the environmental load factor, the greater the environmental stress generated by the production activity, and on the other hand, the level of the industrial technology grasped by the energy production system can be reflected by the environmental load factor. For example, if the resource structure formed by the energy production system during the production process is not reasonable, i.e. the non-renewable resource accounts for a large proportion, the environmental load is overloaded, and if the resource structure is relatively reasonable, for example, the production intensity is overloaded, i.e. the absolute consumption of the non-renewable resource is too large, the system is also damaged irreparably.
After obtaining the energy yield and the environmental load rate, the sustainable development index of the energy production system can be calculated according to S113.
S113, determining the sustainable development Index (ESI) of the building system according to the ratio of the energy yield to the environmental load rate.
The sustainable development index is a composite index that reflects the production efficiency of the energy production system and the environmental pressure, and the sustainable development index can be obtained according to equation (3), for example.
ESI＝EYR/ELR (3)
In order to make the transversal comparison between the sustainable development indexes of the energy production systems of different types of energy sources, the calculation can be performed by using the same electric energy produced by the energy production systems of the energy sources, for example, the electric energy 10 can be produced8kWh, calculating the sustainable development index of the energy production system for each category of energy.
As a specific example, when producing electrical energy 108The energy value production system's energy value output rate, environmental load rate and sustainable development index for each category of energy at kWh can be shown in table 1.
| Rate of environmental load | Yield of energy value | Energy sustainability index | |
| Solar energy | 0.21 | 5.75 | 27.21 |
| Wind energy | 0.16 | 7.44 | 47.93 |
| Gas combustion | 11.79 | 6.59 | 0.56 |
| Coal burning | 10.36 | 5.48 | 0.53 |
| Water energy | 0.45 | 7.68 | 16.94 |
The energy production system of fossil energy such as coal and gas consumes a large amount of non-renewable energy, and increases the energy value of the non-renewable energy. In terms of the environmental load rate, in the energy production system of five types of energy sources, the environmental load rate of the stone energy power generation mode such as coal burning, gas burning and the like is far higher than the environmental load rate of renewable energy sources such as wind energy, solar energy, water energy and the like.
It can be seen from table 1 that the energy sustainability index of wind energy is the highest, and the environmental stress is the lowest. The yield of the energy value of the water energy is the highest, so that the production efficiency of the energy value production system of the water energy is the highest. Wind power is the second, and the energy yield of the fire coal is the lowest. In addition, the energy value production system of five types of energy sources has the sustainability index of renewable energy sources such as wind energy, solar energy, water energy and the like which is far higher than the sustainability index of energy values of fossil energy sources such as coal, gas and the like which can not be regenerated. Wherein, wind energy value sustainability is the highest, fire coal sustainability is the lowest.
After obtaining the sustainable development index of the energy production system of each type of energy, the evaluation index of each type of energy can be calculated according to S120.
And S120, calculating the evaluation index of each type of energy according to the sustainable development index and the first weight, the power generation efficiency and the second weight, as well as the full life cycle cost and the third weight of each type of energy.
When the energy value production system of each type of energy is comprehensively evaluated, the power generation efficiency, the full life cycle cost and the third weight are required to be obtained when the evaluation index is calculated.
In some embodiments, the weights of the sustainable development index, the power generation efficiency, and the full life cycle cost may be treated in a balanced manner, i.e., the weights of the various indicators are equal. The first weight, the second weight and the third weight can also be respectively calculated by combining a gray correlation analysis method.
As a specific example, using a gray correlation analysis method, firstly performing normalization processing on each index, then calculating a gray correlation coefficient between each index and the ideal scheme by combining a preset ideal scheme of each index, and finally, sorting the numerical value of each index gray correlation coefficient, and respectively giving weights according to the numerical value of the gray correlation coefficient, it can be understood that the magnitude of the weight represents the importance degree of each index on the evaluation index of the energy, and when the weights are respectively given according to the numerical value of the gray correlation coefficient, the building system can be given weights according to the actual situation of the building system, which is not specifically limited herein.
S130, determining a sustainability evaluation value of the building system according to the proportion of each type of energy and the evaluation index of each type of energy.
Due to the different kinds of energy sources used by different building systems, for example, before the energy structure transformation is carried out, the main energy values of the electric energy of the building system to be evaluated are 56.2% from coal power and 19.5% from wind power. After the energy structure transformation, the main sources of the energy values of the electric energy of the building system to be evaluated are 13.4% from coal power and 62.2% from wind power.
Therefore, in order to improve the accuracy of the sustainability evaluation of the building system to be evaluated, the types of energy sources of the building system and the proportion of each type of energy used by the building system to be evaluated need to be obtained. And finally, determining the sustainability evaluation value of the building system according to the proportion of each type of energy and the evaluation index of each type of energy.
In the embodiment of the invention, the sustainability estimation of the building system can be obtained to be used as the evaluation of the existing building system, so that reliable data reference is provided in the energy structure transformation process and is used for adjusting the overall operation strategy and construction scale of the energy output system. For example, the energy output system is adjusted according to the operation strategy and the construction scale corresponding to the value range of the sustainability estimation of the building system, wherein the value ranges are preset for different operation strategies and construction scales.
According to the energy sustainability evaluation method of the building system, from the perspective of system ecology, the power generation efficiency, the full life cycle cost and the energy sustainability index of each type of energy used in the building system to be evaluated are comprehensively considered, the evaluation index of each type of energy is calculated according to the weighted values of the power generation efficiency, the full life cycle cost and the energy sustainability index, meanwhile, the sustainability evaluation value of the building system is determined by combining the proportion of each type of energy used by the building system, the accuracy of the comprehensive evaluation result of the energy structure of the building system is effectively improved, reliable data reference is provided for the energy structure transformation, and the negative influence on the environment in the energy structure transformation process is reduced.
FIG. 3 is a schematic structural diagram of an energy sustainability assessment apparatus of a building system according to an embodiment of the present invention, and as shown in FIG. 3, the energy sustainability assessment apparatus 300 of the building system can include: a data acquisition module 310 and a data processing module 320.
The data acquisition module 310 is used for acquiring the types of the energy sources used in the building system to be evaluated, the proportion of each type of energy source used by the building system to be evaluated, the sustainable development index of each type of energy source, the power generation efficiency of each type of energy source and the full life cycle cost of each type of energy source; and the number of the first and second groups,
the data acquisition module 310 is further configured to acquire a first weight of the sustainable development index of each type of energy, a second weight of the power generation efficiency of each type of energy, and a third weight of the full life cycle cost of each type of energy;
the data processing module 320 is used for calculating the evaluation index of each type of energy according to the sustainable development index of each type of energy, the first weight, the power generation efficiency, the second weight, the total life cycle cost sum and the third weight;
and the data processing module 320 is further used for determining a sustainability evaluation value of the building system according to the proportion of each type of energy and the evaluation index of each type of energy.
In some embodiments, the type of energy source comprises one or more of wind energy, hydro energy, solar energy, coal and gas.
In some embodiments, the data obtaining module 310 is configured to obtain the energy value information of the energy value production system for each type of energy source, where the energy value information includes an economic input energy value of the energy value production system, a yield energy value of the energy value production system, a total input energy value of non-renewable energy sources of the energy value production system, and an input energy value of renewable energy sources of the energy value production system;
the data processing module 320 is used for determining the energy value output rate of the building system according to the ratio of the output energy value and the economic input energy value; determining the environmental load rate of the building system according to the ratio of the total input energy value of the non-renewable energy sources to the input energy value of the renewable energy sources;
the data processing module 320 is further configured to determine a sustainable development index of the building system according to a ratio of the energy yield to the environmental load rate.
In some embodiments, the total non-renewable energy input energy value is the sum of the non-renewable energy input energy value and the economic input energy value.
In some embodiments, when the category of energy source includes solar energy, the data acquisition module 310 is further configured to acquire a plot area of the energy production system for solar energy and a unit mean radiant energy of the sun; the data processing module 320 is further configured to determine the input energy value of the renewable energy source of the solar energy value production system according to the product of the area of land of the solar energy value production system and the unit average radiant energy of the sun.
In some embodiments, when the category of the energy source includes wind, the data obtaining module 310 is further configured to obtain a land area of the energy production system for wind energy, a height of the air layer where the energy production system for wind energy is located, an air density of the air layer, a vortex diffusion coefficient, a wind speed gradient change rate, and a solar energy conversion rate; the data processing module 320 is further configured to determine the input energy value of the renewable energy source of the wind energy value production system according to the product of the area of the land for the wind energy value production system, the height of the air layer where the wind energy value production system is located, the air density of the air layer, the vortex diffusion coefficient, the wind speed gradient change rate, and the solar energy value conversion rate.
It is understood that the energy sustainability assessment apparatus 300 of the building system according to the embodiment of the present invention can correspond to the execution subject of the energy sustainability assessment method of the building system according to the embodiment of the present invention, and the specific details of the operation and/or function of each module/unit of the energy sustainability assessment apparatus 300 of the building system can be referred to the description of the corresponding parts in the energy sustainability assessment method of the building system according to the embodiment of the present invention, and therefore, for brevity, will not be described again.
According to the energy sustainability evaluation device of the building system, from the perspective of system ecology, the power generation efficiency, the full life cycle cost and the energy sustainability index of each type of energy used in the building system to be evaluated are comprehensively considered, the evaluation index of each type of energy is calculated according to the weighted values of the power generation efficiency, the full life cycle cost and the energy sustainability index, meanwhile, the sustainability evaluation value of the building system is determined by combining the proportion of each type of energy used by the building system, the accuracy of the comprehensive evaluation result of the energy structure of the building system is effectively improved, reliable data reference is provided for the energy structure transformation, and negative influence on the environment in the energy structure transformation process is reduced.
FIG. 4 is a schematic diagram of a hardware configuration of an energy sustainability assessment apparatus of a building system according to an embodiment of the present invention.
As shown in FIG. 4, the energy sustainability assessment device 400 of the building system in this embodiment includes an input device 401, an input interface 402, a central processor 403, a memory 404, an output interface 405, and an output device 406. The input interface 402, the central processing unit 403, the memory 404, and the output interface 405 are connected to each other through a bus 410, and the input device 401 and the output device 406 are connected to the bus 410 through the input interface 402 and the output interface 405, respectively, and further connected to other components of the energy sustainability assessment device 400 of the building system.
Specifically, the input device 401 receives input information from the outside and transmits the input information to the central processor 403 through the input interface 402; the central processor 403 processes the input information based on computer-executable instructions stored in the memory 404 to generate output information, stores the output information temporarily or permanently in the memory 404, and then transmits the output information to the output device 406 through the output interface 405; the output device 406 outputs the output information to an exterior of the energy sustainability assessment device 400 of the building system for use by a user.
That is, the energy sustainability assessment apparatus of the building system shown in FIG. 4 can also be implemented to include: a memory storing computer-executable instructions; and a processor that, when executing computer executable instructions, can implement the energy sustainability assessment methodology of the building system described in connection with the present examples.
In one embodiment, the energy sustainability assessment apparatus 400 of the building system shown in FIG. 4 comprises: a memory 404 for storing programs; a processor 403, configured to execute the program stored in the memory, to execute the method for assessing energy sustainability of the building system according to the embodiment of the present invention.
An embodiment of the present invention further provides a computer-readable storage medium, where the computer-readable storage medium has computer program instructions stored thereon; the computer program instructions, when executed by a processor, implement a method for energy sustainability assessment of a building system provided by an embodiment of the invention.
It is to be understood that the invention is not limited to the specific arrangements and instrumentality described above and shown in the drawings. A detailed description of known methods is omitted herein for the sake of brevity. In the above embodiments, several specific steps are described and shown as examples. However, the method processes of the present invention are not limited to the specific steps described and illustrated, and those skilled in the art can make various changes, modifications and additions or change the order between the steps after comprehending the spirit of the present invention.
The functional blocks shown in the above-described structural block diagrams may be implemented as hardware, software, firmware, or a combination thereof. When implemented in hardware, it may be, for example, an electronic Circuit, an Application Specific Integrated Circuit (ASIC), suitable firmware, plug-in, function card, or the like. When implemented in software, the elements of the invention are the programs or code segments used to perform the required tasks. The program or code segments may be stored in a machine-readable medium or transmitted by a data signal carried in a carrier wave over a transmission medium or a communication link. A "machine-readable medium" may include any medium that can store or transfer information. Examples of a machine-readable medium include electronic circuits, semiconductor Memory devices, Read-Only memories (ROMs), flash memories, Erasable Read-Only memories (EROMs), floppy disks, Compact disk Read-Only memories (CD-ROMs), optical disks, hard disks, optical fiber media, Radio Frequency (RF) links, and so forth. The code segments may be downloaded via computer networks such as the internet, intranet, etc.
It should also be noted that the exemplary embodiments mentioned in this patent describe some methods or systems based on a series of steps or devices. However, the present invention is not limited to the order of the above-described steps, that is, the steps may be performed in the order mentioned in the embodiments, may be performed in an order different from the order in the embodiments, or may be performed simultaneously.
Aspects of the present disclosure are described above with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the disclosure. It will be understood that each block of the flowchart illustrations and/or block diagrams, and combinations of blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, enable the implementation of the functions/acts specified in the flowchart and/or block diagram block or blocks. Such a processor may be, but is not limited to, a general purpose processor, a special purpose processor, an application specific processor, or a field programmable logic circuit. It will also be understood that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware for performing the specified functions or acts, or combinations of special purpose hardware and computer instructions.
As described above, only the specific embodiments of the present invention are provided, and it can be clearly understood by those skilled in the art that, for convenience and brevity of description, the specific working processes of the system, the module and the unit described above may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again. It should be understood that the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive various equivalent modifications or substitutions within the technical scope of the present invention, and these modifications or substitutions should be covered within the scope of the present invention.
Claims (10)
1. A method for energy sustainability assessment of a building system, the method comprising:
acquiring the type of energy used in a building system to be evaluated, the proportion of each type of energy used by the building system to be evaluated, the sustainable development index of each type of energy, the power generation efficiency of each type of energy and the full life cycle cost of each type of energy; and the number of the first and second groups,
obtaining a first weight of the sustainable development index of each type of energy, a second weight of the power generation efficiency of each type of energy, and a third weight of the full life cycle cost of each type of energy;
calculating an evaluation index of each type of energy according to the sustainable development index of each type of energy, the first weight, the power generation efficiency, the second weight, the full life cycle cost and the third weight;
and determining the sustainability evaluation value of the building system according to the proportion of each type of energy and the evaluation index of each type of energy.
2. The method of claim 1, wherein the type of energy source comprises one or more of wind energy, water energy, solar energy, coal and gas.
3. The method according to claim 1, wherein obtaining the sustainable development index for each type of energy source comprises:
acquiring energy value information of an energy value production system of each type of energy source, wherein the energy value information comprises an economic input energy value of the energy value production system, a yield energy value of the energy value production system, a total input energy value of non-renewable energy sources of the energy value production system and an input energy value of renewable energy sources of the energy value production system;
determining the energy value output rate of the energy value production system of each type of energy according to the ratio of the output energy value to the economic input energy value; and the number of the first and second groups,
determining the environmental load rate of the energy source production system according to the ratio of the total input energy value of the non-renewable energy sources to the input energy value of the renewable energy sources;
and determining the sustainable development index of the energy value production system according to the ratio of the energy value production rate to the environmental load rate.
4. The method of claim 3, wherein the total non-renewable energy input energy value is a sum of the non-renewable energy input energy value and the economic input energy value.
5. The method of claim 3, wherein when the category of energy sources comprises solar energy, the obtaining the energy value information of the energy value production system for each energy source type comprises:
acquiring the land area of a solar energy production system and the unit average radiant energy of the sun;
and determining the input energy value of the renewable energy source of the solar energy value production system according to the product of the land area of the solar energy value production system and the unit average radiant energy of the sun.
6. The method of claim 3, wherein when the category of energy sources includes wind, the obtaining the energy value information of the energy value production system for each category of energy sources comprises:
acquiring the land area of a wind energy value production system, the height of an air layer where the wind energy value production system is located, the air density of the air layer, the vortex diffusion coefficient, the wind speed gradient change rate and the solar energy value conversion rate;
and determining the input energy value of the renewable energy source of the wind energy value production system according to the product of the land area of the wind energy value production system, the height of the air layer where the wind energy value production system is located, the air density of the air layer, the vortex diffusion coefficient, the wind speed gradient change rate and the solar energy value conversion rate.
7. An energy sustainability assessment apparatus for a building system, the apparatus comprising:
the system comprises a data acquisition module, a data processing module and a data processing module, wherein the data acquisition module is used for acquiring the types of energy used in a building system to be evaluated, the proportion of each type of energy used by the building system to be evaluated, the sustainable development index of each type of energy, the power generation efficiency of each type of energy and the full life cycle cost of each type of energy; and the number of the first and second groups,
the data acquisition module is further used for acquiring a first weight of the sustainable development index of each type of energy, a second weight of the power generation efficiency of each type of energy and a third weight of the full life cycle cost of each type of energy;
the data processing module is used for calculating the evaluation index of each type of energy according to the sustainable development index of each type of energy, the first weight, the power generation efficiency, the second weight, the sum of the full life cycle cost and the third weight;
the data processing module is further used for determining the sustainability evaluation value of the building system according to the proportion of each type of energy and the evaluation index of each type of energy.
8. The apparatus of claim 7,
the acquisition module is used for acquiring the energy value information of the energy value production system of each type of energy, wherein the energy value information comprises an economic input energy value of the energy value production system, a yield energy value of the energy value production system, a total input energy value of non-renewable energy sources of the energy value production system and an input energy value of renewable energy sources of the energy value production system;
the data processing module is used for determining the energy value output rate of the building system according to the ratio of the output energy value to the economic input energy value; determining the environmental load rate of the building system according to the ratio of the total input energy value of the non-renewable energy sources to the input energy value of the renewable energy sources;
the data processing module is further used for determining the sustainable development index of the building system according to the ratio of the energy output rate to the environmental load rate.
9. An energy sustainability assessment apparatus for a building system, the apparatus comprising: a processor, and a memory storing computer program instructions;
the processor reads and executes the computer program instructions to implement the method for energy sustainability assessment of a building system according to any of claims 1-6.
10. A computer storage medium having computer program instructions stored thereon that, when executed by a processor, implement the method of energy sustainability assessment for a building system of any of claims 1-6.
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