Building energy consumption calculation methods, devices, and building energy consumption calculation systems

Abstract

This invention discloses a method, apparatus, and system for calculating building energy consumption. The method includes: calling an energy consumption calculation template for non-air-conditioned equipment within the building; obtaining energy consumption calculation parameters through the template; determining the energy consumption of the non-air-conditioned equipment based on the parameters; obtaining the energy consumption of air-conditioned equipment; and calculating the total building energy consumption based on the energy consumption of both air-conditioned and non-air-conditioned equipment. This invention solves the problem of cumbersome building energy consumption calculation methods in existing technologies, improving the convenience and accuracy of building energy consumption calculation.

Description

Technical Field

[0001] This invention relates to the field of building energy consumption technology, and more specifically, to a building energy consumption calculation method, apparatus, and system. Background Technology

[0002] Building energy consumption accounts for approximately 30% of total societal energy consumption, with over 60% of that being consumed by air conditioning systems. Utilizing abundant solar energy resources to develop integrated photovoltaic, energy storage, and air conditioning systems can effectively reduce carbon emissions from building air conditioning systems, and accurate prediction of building energy consumption is crucial for the optimized design of such integrated systems.

[0003] When assessing a building’s energy consumption and economic benefits, it is usually necessary to consider the power and operating time of various electrical equipment in the building based on the actual project, and calculate the hourly power consumption of each electrical equipment. In addition, different building sites are usually equipped with different types of electrical equipment, making it very cumbersome to calculate building energy consumption using traditional manual methods.

[0004] There is currently no effective solution to the problem of cumbersome building energy consumption calculation methods in related technologies. Summary of the Invention

[0005] This invention provides a method, apparatus, and system for calculating building energy consumption, which at least solves the problem of cumbersome building energy consumption calculation methods in the prior art.

[0006] To address the aforementioned technical problems, according to one aspect of the present invention, a method for calculating building energy consumption is provided, comprising:

[0007] Call the energy consumption calculation template of non-air-conditioned equipment in the building, obtain the energy consumption calculation parameters through the energy consumption calculation template, and determine the energy consumption of non-air-conditioned equipment based on the energy consumption calculation parameters;

[0008] Obtain the energy consumption of air conditioning equipment;

[0009] The total energy consumption of a building is calculated based on the energy consumption of air-conditioning equipment and the energy consumption of non-air-conditioning equipment.

[0010] Furthermore, the energy consumption calculation template for non-air-conditioned equipment within the building is invoked. Energy consumption calculation parameters are obtained through the template, and the energy consumption of the non-air-conditioned equipment is determined based on these parameters, including:

[0011] Call the power equipment template, obtain the power consumption coefficient from the power equipment template, and determine the energy consumption of non-air conditioning equipment based on the power consumption coefficient.

[0012] Furthermore, before calling the electrical equipment template, it also includes:

[0013] Call the functional partition template and determine the electrical equipment for each functional partition based on the template.

[0014] Furthermore, before invoking the functional partition template, the following is also included:

[0015] Obtain the building's architectural parameters; these parameters should include at least the site type and building area.

[0016] The site template is called based on the building parameters, and the functional zoning of the building and the area ratio of each functional zoning are determined based on the site template.

[0017] Furthermore, the electricity consumption factor includes at least: power of electrical equipment, power density of electrical equipment, usage period, and usage coefficient. Based on the electricity consumption factor, the energy consumption of non-air conditioning equipment is determined, including:

[0018] The energy consumption Q of non-air-conditioned equipment in each functional zone during the i-th hour of its usage period is determined based on the electricity consumption factor. ni ; where Q ni =P n ·b ni , or Q ni =S m ·b ni ·E n ;P n Let b be the power consumption of the nth electrical device. ni E is the usage coefficient of the nth electrical device in the i-th hour. n Let S be the power density of the nth electrical device. m Let m be the area of ​​the m-th functional zone;

[0019] Calculate the total energy consumption of non-air-conditioned equipment in each functional zone during the usage period based on the energy consumption of non-air-conditioned equipment in the i-th hour of the usage period.

[0020] The total energy consumption of non-air-conditioned equipment in each functional zone during its usage period is summed to determine the energy consumption of non-air-conditioned equipment.

[0021] Furthermore, S m＝ S·α m S is the building area, α m This represents the area percentage of the m-th functional zone.

[0022] Furthermore, the energy consumption of the air conditioning equipment is obtained, including:

[0023] Call the air conditioning equipment energy consumption calculation template;

[0024] The parameters of the air conditioning equipment are obtained through the air conditioning equipment energy consumption calculation template, and the energy consumption of the air conditioning equipment is determined based on the parameters.

[0025] According to another aspect of the present invention, a building energy consumption calculation device is provided, comprising:

[0026] The first energy consumption module is used to call the energy consumption calculation template of non-air-conditioned equipment in the building, obtain energy consumption calculation parameters through the energy consumption calculation template, and determine the energy consumption of non-air-conditioned equipment based on the energy consumption calculation parameters;

[0027] The second energy consumption module is used to obtain the energy consumption of the air conditioning equipment;

[0028] The total energy consumption module is used to calculate the building's total energy consumption based on the energy consumption of air-conditioned equipment and the energy consumption of non-air-conditioned equipment.

[0029] According to another aspect of the present invention, a building energy consumption calculation system is provided, including the building energy consumption calculation device as described above.

[0030] According to another aspect of the present invention, a storage medium containing computer-executable instructions is provided, which, when executed by a computer processor, are used to perform the building energy consumption calculation method described above.

[0031] In this invention, a standard template library is established, and energy consumption calculation templates for non-air-conditioned equipment within the building are called. Energy consumption calculation parameters are obtained through these templates, and the energy consumption of non-air-conditioned equipment is determined based on these parameters. Then, the energy consumption of air-conditioned equipment is obtained, and the total building energy consumption is calculated. This energy consumption calculation scheme can quickly and accurately predict building energy consumption, effectively solving the problem of cumbersome building energy consumption calculation methods in existing technologies, and improving the convenience and accuracy of building energy consumption calculation. Attached Figure Description

[0032] Figure 1 This is an optional flowchart of a building energy consumption calculation method according to an embodiment of the present invention;

[0033] Figure 2 This is an optional schematic diagram of a location template interface according to an embodiment of the present invention;

[0034] Figure 3 This is an optional schematic diagram of the building energy consumption calculation result interface according to an embodiment of the present invention;

[0035] Figure 4 This is another optional flowchart of the building energy consumption calculation method according to an embodiment of the present invention;

[0036] Figure 5 This is an optional structural block diagram of a building energy consumption calculation device according to an embodiment of the present invention. Detailed Implementation

[0037] Exemplary embodiments will now be described in detail, examples of which are illustrated in the accompanying drawings. When the following description relates to the drawings, unless otherwise indicated, the same numerals in different drawings denote the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatuses and methods consistent with some aspects of the invention as detailed in the appended claims.

[0038] Example 1

[0039] In a preferred embodiment 1 of the present invention, a method for calculating building energy consumption is provided. Specifically... Figure 1 An optional flowchart of the method is shown, such as Figure 1 As shown, the method includes the following steps S102-S106:

[0040] S102: Call the energy consumption calculation template of non-air-conditioned equipment in the building, obtain energy consumption calculation parameters through the energy consumption calculation template, and determine the energy consumption of non-air-conditioned equipment based on the energy consumption calculation parameters;

[0041] S104: Obtain the energy consumption of the air conditioning equipment;

[0042] S106: Calculate the total building energy consumption based on the energy consumption of air conditioning equipment and the energy consumption of non-air conditioning equipment.

[0043] In the above implementation, a standard template library is established, and energy consumption calculation templates for non-air-conditioned equipment within the building are called. Energy consumption calculation parameters are obtained through these templates, and the energy consumption of non-air-conditioned equipment is determined based on these parameters. Then, the energy consumption of air-conditioned equipment is obtained, and the total building energy consumption is calculated. This energy consumption calculation scheme can quickly and accurately predict building energy consumption, effectively solving the problem of cumbersome building energy consumption calculation methods in existing technologies, and improving the convenience and accuracy of building energy consumption calculation.

[0044] In a preferred embodiment of the present invention, the energy consumption calculation template of non-air-conditioned equipment in the building is invoked, energy consumption calculation parameters are obtained through the energy consumption calculation template, and the energy consumption of non-air-conditioned equipment is determined based on the energy consumption calculation parameters. This includes: invoking an electrical equipment template, obtaining an electricity consumption coefficient through the electrical equipment template, and determining the energy consumption of non-air-conditioned equipment based on the electricity consumption coefficient.

[0045] Before calling the electrical equipment template, the process also includes: calling the functional partition template and determining the electrical equipment for each functional partition based on the functional partition template.

[0046] Before calling the functional zoning template, the process includes: obtaining the building's architectural parameters; these parameters include at least the site type and building area; calling the site template based on the architectural parameters; and determining the building's functional zones and the area proportion of each functional zone based on the site template. Based on the above-mentioned intelligent construction method for building electrical equipment, an optimized design platform for photovoltaic, energy storage, and air conditioning systems was designed. Figure 2 This diagram illustrates one possible representation of the platform's venue template interface, such as... Figure 2 As shown, the interface allows users to select the building site type and enter the building area.

[0047] Figure 3 An optional schematic diagram showing the building energy consumption calculation results interface of the platform is shown, such as... Figure 3 As shown, the electricity consumption factor includes at least: power of electrical equipment, power density of electrical equipment, usage period, and usage coefficient. The energy consumption of non-air-conditioned equipment is determined based on the electricity consumption factor, including: determining the energy consumption Q of non-air-conditioned equipment within each functional zone during the i-th hour of its usage period, based on the electricity consumption factor. ni ; where Q ni =P n ·b ni , or Q ni =S m ·b ni ·E n ;P n Let b be the power consumption of the nth electrical device. ni E is the usage coefficient of the nth electrical device in the i-th hour. n Let S be the power density of the nth electrical device. m S represents the area of ​​the m-th functional zone. m＝ S·α m S is the building area, α m This represents the area percentage of the m-th functional zone.

[0048] After the above steps, calculate the total energy consumption of the non-air-conditioned equipment in each functional zone during the usage period based on the energy consumption of the non-air-conditioned equipment in the i-th hour of the usage period; finally, sum the total energy consumption of the non-air-conditioned equipment in each functional zone during the usage period to determine the energy consumption of the non-air-conditioned equipment.

[0049] In another preferred embodiment of the present invention, obtaining the energy consumption of the air conditioning equipment includes: calling the air conditioning equipment energy consumption calculation template; obtaining the parameters of the air conditioning equipment through the air conditioning equipment energy consumption calculation template; and determining the energy consumption of the air conditioning equipment based on the parameters of the air conditioning equipment.

[0050] The standard template library for electrical equipment established by this invention provides corresponding electrical equipment and specifies relevant parameters for various scenarios, covering a variety of building sites and is widely applicable to various projects. Based on the above templates, the batch and rapid construction of building electrical equipment can be realized, which greatly improves the efficiency of building energy consumption calculation.

[0051] In a preferred embodiment 1 of the present invention, another method for calculating building energy consumption is also provided, specifically... Figure 4 An optional flowchart of the method is shown, such as Figure 4 As shown, the method includes the following steps S402-S411:

[0052] S401: Select the venue type;

[0053] S402: Set building area;

[0054] S403: Call the site template; based on the site types where photovoltaic, energy storage, and air conditioning systems can be applied, such as villas, factories, hotels, hospitals, stadiums, etc., set the templates corresponding to each site type; the size of the building area affects the functional zoning within the building, thus affecting the configuration of electrical equipment. For a template corresponding to a certain building type, multiple building area ranges are set, and the functional zoning configuration corresponding to each building area range and the proportion of each functional zoning to the building area are specified, as shown in Table 1, which shows the site templates for a certain building;

[0055] Table 1 Venue Template

[0056]

[0057] S404: Determine the area of ​​the functional zones;

[0058] (1) S405: Call the functional partition template; Configure the corresponding types and quantities of non-air conditioning system electrical equipment for each functional partition according to actual needs, as shown in Table 2;

[0059] Table 2 Functional Partition Template

[0060]

[0061] S406: Determine the electrical equipment used in functional zones;

[0062] S407: Call the electrical equipment template; specify the power or power density, usage period, and usage factor of various electrical equipment, as shown in Table 3;

[0063] Table 3 Template for Electrical Equipment

[0064]

[0065]

[0066] S408: Determine the power, usage period, and usage factor of electrical equipment;

[0067] S409: Total energy consumption of electrical equipment in non-air conditioning systems;

[0068] S410: Central air conditioning system energy consumption calculation module;

[0069] S411: Total building energy consumption; Total building energy consumption can be calculated by adding the total power consumption of the non-air conditioning system equipment to the power consumption of the air conditioning system.

[0070] The above scheme designs site templates, functional zoning templates, and electrical equipment templates. After selecting the site type and building area, it can realize the rapid and intelligent construction of building electrical equipment, thereby quickly obtaining the total power consumption of the building and realizing the efficient calculation of building energy consumption, which greatly facilitates the design of the photovoltaic-storage-space system.

[0071] Example 2

[0072] Based on the building energy consumption calculation method provided in Embodiment 1 above, a preferred embodiment 2 of the present invention further provides a building energy consumption calculation device, specifically, Figure 5 An alternative structural block diagram of the device is shown, such as... Figure 5 As shown, the device includes:

[0073] The first energy consumption module 502 is used to call the energy consumption calculation template of non-air-conditioned equipment in the building, obtain energy consumption calculation parameters through the energy consumption calculation template, and determine the energy consumption of non-air-conditioned equipment based on the energy consumption calculation parameters.

[0074] The second energy consumption module 504 is used to obtain the energy consumption of the air conditioning equipment;

[0075] Total Energy Consumption Module 506 is used to calculate the building's total energy consumption based on the energy consumption of air-conditioned equipment and the energy consumption of non-air-conditioned equipment.

[0076] In the above implementation, a standard template library is established, and energy consumption calculation templates for non-air-conditioned equipment within the building are called. Energy consumption calculation parameters are obtained through these templates, and the energy consumption of non-air-conditioned equipment is determined based on these parameters. Then, the energy consumption of air-conditioned equipment is obtained, and the total building energy consumption is calculated. This energy consumption calculation scheme can quickly and accurately predict building energy consumption, effectively solving the problem of cumbersome building energy consumption calculation methods in existing technologies, and improving the convenience and accuracy of building energy consumption calculation.

[0077] Regarding the apparatus in the above embodiments, the specific manner in which each unit and module performs its operations has been described in detail in the embodiments related to the method, and will not be elaborated upon here.

[0078] Example 3

[0079] Based on the building energy consumption calculation device provided in Embodiment 2 above, a building energy consumption calculation system is also provided in a preferred embodiment 3 of the present invention, including the building energy consumption calculation device as described above.

[0080] In the above implementation, a standard template library is established, and energy consumption calculation templates for non-air-conditioned equipment within the building are called. Energy consumption calculation parameters are obtained through these templates, and the energy consumption of non-air-conditioned equipment is determined based on these parameters. Then, the energy consumption of air-conditioned equipment is obtained, and the total building energy consumption is calculated. This energy consumption calculation scheme can quickly and accurately predict building energy consumption, effectively solving the problem of cumbersome building energy consumption calculation methods in existing technologies, and improving the convenience and accuracy of building energy consumption calculation.

[0081] Example 4

[0082] Based on the building energy consumption calculation method provided in Embodiment 1 above, in a preferred embodiment 4 of the present invention, a storage medium containing computer-executable instructions is also provided, which, when executed by a computer processor, is used to execute the building energy consumption calculation method as described above.

[0083] In the above implementation, a standard template library is established, and energy consumption calculation templates for non-air-conditioned equipment within the building are called. Energy consumption calculation parameters are obtained through these templates, and the energy consumption of non-air-conditioned equipment is determined based on these parameters. Then, the energy consumption of air-conditioned equipment is obtained, and the total building energy consumption is calculated. This energy consumption calculation scheme can quickly and accurately predict building energy consumption, effectively solving the problem of cumbersome building energy consumption calculation methods in existing technologies, and improving the convenience and accuracy of building energy consumption calculation.

[0084] Other embodiments of the invention will readily occur to those skilled in the art upon consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention that follow the general principles of the invention and include common knowledge or customary techniques in the art not invented by the invention. The specification and examples are to be considered exemplary only, and the true scope and spirit of the invention are indicated by the following claims.

[0085] It should be understood that the present invention is not limited to the precise structure described above and shown in the accompanying drawings, and various modifications and changes can be made without departing from its scope. The scope of the invention is limited only by the appended claims.

Claims

1. A method for calculating building energy consumption, characterized in that, include: The process involves: calling an energy consumption calculation template for non-air-conditioned equipment within a building; obtaining energy consumption calculation parameters through the template; and determining the energy consumption of the non-air-conditioned equipment based on these parameters. This includes: obtaining building parameters, which at least include location type and building area; calling a location template based on the building parameters and determining the functional zones and area proportions of each functional zone; calling a functional zone template and determining the electrical equipment in each functional zone; calling an electrical equipment template and obtaining an electricity consumption coefficient, and determining the energy consumption of the non-air-conditioned equipment based on the electricity consumption coefficient. The location template pre-associates the location type, building area range, functional zone configuration, and area proportions of each functional zone; the functional zone template pre-associates the functional zones and electrical equipment types; and the electrical equipment template pre-associates the electrical equipment and electricity consumption coefficients, where the electricity consumption coefficient includes at least the electrical equipment power or power density, usage period, and usage coefficient. Obtain the energy consumption of air conditioning equipment; Calculate the total building energy consumption based on the energy consumption of the air conditioning equipment and the energy consumption of the non-air conditioning equipment; Determining the energy consumption of the non-air conditioning equipment based on the electricity consumption factor includes: The energy consumption Qni of the non-air-conditioned equipment in each functional zone during the i-th hour of its usage period is determined based on the power consumption coefficient; where Qni = Pn•bni, or Qni = Sm•bni•En; Pn is the power of the nth equipment, bni is the usage coefficient of the nth equipment in the i-th hour, En is the power density of the nth equipment, and Sm is the area of ​​the mth functional zone; Calculate the total energy consumption of the non-air-conditioned equipment in each functional zone during the usage period based on the energy consumption of the non-air-conditioned equipment in the i-th hour of the usage period; The total energy consumption of the non-air-conditioned equipment in each of the functional zones during the usage period is summed to determine the energy consumption of the non-air-conditioned equipment.

2. The method according to claim 1, characterized in that, Sm = S•αm, where S is the building area and αm is the area ratio of the m-th functional zone.

3. The method according to claim 1, characterized in that, Obtaining the energy consumption of air conditioning equipment includes: Call the air conditioning equipment energy consumption calculation template; The parameters of the air conditioning equipment are obtained through the air conditioning equipment energy consumption calculation template, and the energy consumption of the air conditioning equipment is determined based on the parameters of the air conditioning equipment.

4. A building energy consumption calculation device, characterized in that, include: The first energy consumption module is used to call the energy consumption calculation template of non-air-conditioned equipment in the building, obtain energy consumption calculation parameters through the energy consumption calculation template, and determine the energy consumption of the non-air-conditioned equipment based on the energy consumption calculation parameters; The second energy consumption module is used to obtain the energy consumption of the air conditioning equipment; Total energy consumption module, used to calculate the building's total energy consumption based on the energy consumption of the air conditioning equipment and the energy consumption of the non-air conditioning equipment; The first energy consumption module is used to: obtain the building parameters of the building, wherein the building parameters include at least the location type and building area; call a location template according to the building parameters, and determine the functional zones of the building and the area ratio of each functional zone according to the location template; call a functional zone template, and determine the electrical equipment in each functional zone according to the functional zone template; call an electrical equipment template, obtain the power consumption coefficient through the electrical equipment template, and determine the energy consumption of the non-air conditioning equipment according to the power consumption coefficient; The venue template pre-associates the venue type, building area range, functional zoning configuration, and area ratio of each functional zoning; the functional zoning template pre-associates the functional zoning and electrical equipment type; the electrical equipment template pre-associates the electrical equipment and electricity consumption coefficient, wherein the electricity consumption coefficient includes at least the electrical equipment power or power density, usage period, and usage coefficient. Determining the energy consumption of the non-air conditioning equipment based on the electricity consumption factor includes: The energy consumption Qni of the non-air-conditioned equipment in each functional zone during the i-th hour of its usage period is determined based on the power consumption coefficient; where Qni = Pn•bni, or Qni = Sm•bni•En; Pn is the power of the nth equipment, bni is the usage coefficient of the nth equipment in the i-th hour, En is the power density of the nth equipment, and Sm is the area of ​​the mth functional zone; Calculate the total energy consumption of the non-air-conditioned equipment in each functional zone during the usage period based on the energy consumption of the non-air-conditioned equipment in the i-th hour of the usage period; The total energy consumption of the non-air-conditioned equipment in each of the functional zones during the usage period is summed to determine the energy consumption of the non-air-conditioned equipment.

5. A building energy consumption calculation system, characterized in that, Includes the building energy consumption calculation device as described in claim 4.

6. A storage medium containing computer-executable instructions, characterized in that, The computer-executable instructions, when executed by a computer processor, are used to perform the building energy consumption calculation method as described in any one of claims 1 to 3.

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