CN116930652A - Public building energy consumption monitoring system and energy saving effect monitoring method - Google Patents
Public building energy consumption monitoring system and energy saving effect monitoring method Download PDFInfo
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Abstract
The invention relates to the technical field of energy monitoring, energy conservation and environmental protection, in particular to a public building energy consumption monitoring system and an energy conservation effect monitoring method. The method comprises the steps of building a system architecture, obtaining a user list, calculating data, comparing the data, analyzing the data, saving energy, countermeasures and the like. The invention designs technologies such as Internet of things, big data analysis and the like, combines the energy consumption index requirements, truly and accurately ensures the dynamic data information transmission and analysis, and realizes the dynamic real-time monitoring of the energy consumption of public buildings; the energy consumption information of the public building with the energy consumption monitoring system is compared with the energy consumption of the public building without the energy consumption monitoring system, so that the energy consumption problem of the public building can be found in time, meanwhile, the energy-saving monitoring and the energy-saving transformation are performed pertinently, the working efficiency of the public building energy consumption monitoring system can be better ensured, the energy-saving monitoring is accurate, the energy-saving effect of the public energy consumption monitoring system can be better monitored, and the energy saving and emission reduction of the public building are promoted.
Description
Technical Field
The invention relates to the technical field of energy monitoring, energy conservation and environmental protection, in particular to a public building energy consumption monitoring system and an energy conservation effect monitoring method.
Background
Along with the rapid development of the economy in China, the building energy consumption accounts for the increasing proportion of energy resource consumption. According to the related statistics, the energy directly consumed by the buildings in China in the construction and use processes accounts for about 30% of the total energy consumption of the whole society, the public building energy consumption is obviously increased, and meanwhile, the public building energy consumption has great energy saving potential.
In recent years, public building energy consumption monitoring systems are rapidly developed, but some difficulties still exist in practical application and need to be solved. Firstly, most energy consumption monitoring systems adopt CS system architecture, the architecture is relatively backward, a client is required to be installed, flexibility is poor, application range of users is narrow, and system upgrading and maintenance cost is high. Secondly, the system platform can only simply display the energy consumption data, lacks the acquisition and analysis of non-main data such as building area, equipment operation time, meteorological data and the like, and lacks the overall management and statistical analysis of the data. These problems all affect the accuracy of evaluating the current situation of building energy consumption and the development trend of energy consumption, and result in inaccurate statistics of building energy consumption data.
The public building energy consumption monitoring system and the energy saving effect monitoring method are developed, building energy management departments can be helped to master building energy consumption operation levels in time, energy saving potential is excavated, building energy management levels are improved, and the public building energy consumption monitoring system and the energy saving effect monitoring method are provided.
Disclosure of Invention
The invention aims to provide a public building energy consumption monitoring system and an energy saving effect monitoring method, so as to solve the problems in the background technology.
In order to solve the technical problems, one of the purposes of the invention is to provide a method for monitoring the energy-saving effect of public building energy consumption, which comprises the following steps:
s1, building a system architecture: the system comprises three layers of an application architecture, a data architecture and a technical architecture from bottom to top;
s2, acquiring a user list: extracting an area public building energy monitoring list, a potential energy-saving public building user list and a non-working time energy abnormality list through a data center;
s3, data calculation: the collected energy consumption information is arranged and analyzed, a steady-state calculation method is adopted by taking month as a calculation unit, a heat balance equation of a public building is established, the cold and hot requirements of the public building are determined, the interior of the building is taken as a unified whole, the temperature distribution of each area in the interior of the building is uniform, and the calculation method is integrated to calculate the energy consumption range of the energy consumption information of the public building;
s4, data comparison: according to the query statistics, energy consumption information of the public building energy consumption monitoring system and the public building energy consumption monitoring system which are not used is compared, and the ratio of the energy consumption difference to the total energy consumption is calculated;
s5, data analysis: defining public buildings with larger energy consumption values or specific areas inside the buildings as substandard, and making energy-saving investigation and reconstruction strategies; performing targeted energy-saving transformation on a building or a specific area inside the building which does not reach the standard;
s6, energy-saving countermeasures: and based on the analysis result of the data, making energy-saving measures according to the gap between the energy consumption condition and the energy consumption standard of the public building.
As a further improvement of the present technical solution, in S2, establishing a heat balance equation of the public building includes:
QH/C＝QT+QV-η×(QS+QI)
wherein:QH/C is heating/cooling demand, kW.h/(m) 2 A); QT is the heat transfer/cold loss of the enclosure, including the cumulative value of all the enclosures and heat transfer losses, kW.h/(m) 2 A); QV is ventilation heat loss, kW.h/(m) 2 A); QS is solar energy radiation heat, positive value is taken in heating season, negative value is taken in refrigeration season, kW.h/(m) 2 A); QI is internal heat gain, kW.h/(m) 2 A); η is the free gain heat utilization coefficient;
based on the formula, the cold and hot requirements of the public building are determined, the interior of the building is taken as a unified whole, the temperature distribution of each area in the interior of the building is uniform, and the energy consumption range for counting the energy consumption information of the public building is calculated by integrating the calculation method;
the calculation formula of each heat loss and heat gain is as follows:
QT＝A×U×ft×Gt
QV＝W×ninf×Cpp×Gt
QS＝r×g×AW×G
QI＝theat×qi×AIFA
wherein: a is the area of the enclosure structure, m 2 The method comprises the steps of carrying out a first treatment on the surface of the U is the U value of the enclosure structure, W/(m) 2 K); ft is the temperature reduction coefficient; gt is heating time number, h; w is ventilation volume, m 3 The method comprises the steps of carrying out a first treatment on the surface of the ninf is the number of osmotic ventilations; cpp is the air heat capacity; r is a reduction coefficient; g is the solar energy coefficient of heat of the glass; AW is window area, m 2 The method comprises the steps of carrying out a first treatment on the surface of the G is annual radiation quantity, kW.h; the is the number of days of heating, d; qi is the heat obtained in unit square meter, and kW.h; AIFA is TFA area, m 2 。
As a further improvement of the present technical solution, in S6, the specific energy-saving countermeasure includes the following:
(1) Real-time early warning: the public building energy consumption monitoring system can monitor the leakage current, the state of the fire-fighting equipment, the state of the important load power supply and the running state of the power supply and distribution equipment in real time, and send an alarm according to the event grade to remind the running and maintenance personnel to process, so that the personal and property safety is ensured;
(2) Operation monitoring: the public building energy consumption monitoring system monitors the current, voltage, power and electric energy of outgoing lines of all loops of the substation, the residual current, the operation temperature of cables and buses, the power supply states of fire-fighting equipment and important equipment and all distribution loops in real time;
(3) And (3) energy consumption analysis: the public building energy consumption monitoring system supports classified and separated energy consumption data statistics and analysis functions, and can collect energy consumption conditions such as electricity consumption, water consumption, fuel gas consumption and the like; the data tracking of branch energy consumption, regional energy consumption and department energy consumption can be realized, the data statistics analysis is convenient, and finally an energy consumption monitoring report is formed;
(4) And (3) electric energy quality analysis: the public building energy consumption monitoring system can realize the quality monitoring function of an important loop or a loop sensitive to the electric energy quality;
(5) Historical event viewing and statistics: the power consumption condition of each power distribution node in any time period from the normal operation of the system can be freely inquired through the public building energy consumption monitoring system, and a statistical analysis report of the power consumption of the incoming line of the station and the power consumption of each branch loop is obtained; the visual transparency of electricity consumption is ensured, and the traceability can be analyzed and maintained when the electricity consumption error is larger, so that the accuracy of a metering system is maintained.
The second object of the present invention is to provide a public building energy consumption monitoring system, which is used for implementing the above public building energy consumption energy saving effect monitoring method, and adopts a method of driving from an application architecture and a data architecture to a technical architecture layer by layer to perform overall architecture design, wherein the method comprises three layers of an application architecture, a data architecture and a technical architecture from bottom to top; wherein:
the application architecture is based on a business architecture, and the application range, the functions, the modules and the like are clearly and accurately defined from the aspect of system function requirements;
the data architecture is based on a business architecture, and data classification, data sources, data deployment and the like are accurately defined from the perspective of system data requirements;
the technical architecture is based on an application architecture and a data architecture, and provides a general technical implementation scheme and a software and hardware physical deployment mode from the system specific implementation point of view according to the development trend of the information technology and corresponding practical experience.
As a further improvement of the technical scheme, the application architecture comprises a data and information management module, an analysis display module, an information service module and a background management and control module;
the data and information management module is used for acquiring data and other information of the public building, classifying and storing and managing; the data and information management module is linked with a data acquisition software subsystem, a data processing subsystem, a data reporting subsystem, a data receiving subsystem and a data management subsystem;
the analysis display module is used for carrying out calculation analysis on the data and other information and displaying the data and other information; the analysis display module is linked with a data analysis display subsystem;
the information service module is used for serving the calculation and analysis results of the data to various service flows;
the background management and control module is used for carrying out background monitoring and management on the application flow of each item of information data.
As a further improvement of the technical scheme, the data architecture comprises a data receiving module, a data discriminating module, a data calculating module, a data storage module and a data interaction module;
the data receiving module is used for acquiring required data from a plurality of data sources;
the data screening module is used for screening and screening the acquired data and removing invalid, wrong or missing dirty data;
the data calculation module is used for calculating and analyzing the screened effective data by adopting a preset algorithm flow;
the data storage module is used for classifying and storing the obtained effective data and the calculated effective data; the data storage module is a database module; the database module is linked with a classified sub-item energy consumption library unit, a design installation library unit, a meter original database unit and other library data units;
the data interaction module is used for carrying out interaction comparison and analysis on various data and interactively applying the data to business processes of other associated architectures.
As a further improvement of the technical scheme, the technical architecture is also called a performance layer, and can analyze public building energy consumption data information by combining different roles in society with the actual demands of the roles, and comprises a permission login management module; and the authority login module is linked with a business person subsystem, a researcher subsystem, a system administrator subsystem and the like and is used for realizing interactive application with a business architecture.
The third object of the present invention is to provide a data computing platform device, which includes a processor, a memory, and a computer program stored in the memory and running on the processor, wherein the processor is configured to implement the steps of the public building energy consumption monitoring system and the energy saving effect monitoring method when executing the computer program.
A fourth object of the present invention is to provide a computer-readable storage medium storing a computer program which, when executed by a processor, implements the steps of the above-described public building energy consumption monitoring system and energy saving effect monitoring method.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention provides a public building energy consumption monitoring system, which is based on the technologies of Internet of things, electric power parameter sensing technology, automation technology, cloud computing, big data analysis and the like, and combines the energy consumption index requirements to truly and accurately ensure the dynamic data information transmission and analysis so as to realize the dynamic real-time monitoring of the public building energy consumption;
2. the invention also provides a method for monitoring the energy consumption and energy saving effects of the public building, which is used for comparing the energy consumption information of the public building with the energy consumption of the public building without the energy consumption monitoring system, so that the energy consumption problem of the public building can be found in time, meanwhile, the energy saving monitoring and the energy saving transformation can be carried out pertinently, the working efficiency of the energy consumption monitoring system of the public building can be better ensured, the energy saving monitoring is accurate, the energy saving effect of the public energy consumption monitoring system can be better monitored, and the energy saving and emission reduction of the public building can be promoted.
Drawings
FIG. 1 is a flow chart of an exemplary method for monitoring energy-saving effects of public building energy consumption in the present invention;
FIG. 2 is a schematic diagram of an exemplary application architecture of the present invention;
FIG. 3 is a schematic diagram of an exemplary data architecture according to the present invention;
FIG. 4 is a schematic diagram of an exemplary architecture of the present invention;
FIG. 5 is a schematic diagram illustrating an exemplary analysis of building energy consumption based on public building energy consumption information in accordance with the present invention;
fig. 6 is a block diagram of an exemplary electronic computer platform device according to the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
The technical scheme aims to provide a public building energy consumption monitoring system and an energy saving effect monitoring method, which mainly use technologies such as the Internet of things technology, the electric power parameter sensing technology, the automation technology, cloud computing, big data analysis and the like to dynamically monitor links of operation of public building power transformation and distribution equipment, consumption of different types of energy sources, operation of production organizations and expenditure of energy cost, and help the Yuxi government to master the consumption conditions of public building energy sources and cost and the operation condition of equipment through data analysis and data mining, so that energy utilization gaps at all levels are quantized; meanwhile, basic data and support are provided for improving the utilization efficiency of energy and equipment in public buildings and excavating energy-saving potential, and a direction is provided for improving energy-saving technology.
As shown in fig. 1, the embodiment provides a method for monitoring energy-saving effect of public building energy consumption, which comprises the following steps:
s1, building a system architecture: the system comprises three layers of an application architecture, a data architecture and a technical architecture from bottom to top;
s2, acquiring a user list: extracting an area public building energy monitoring list, a potential energy-saving public building user list and a non-working time energy abnormality list through a data center;
s3, data calculation: the collected energy consumption information is arranged and analyzed, a steady-state calculation method is adopted by taking month as a calculation unit, a heat balance equation of a public building is established, the cold and hot requirements of the public building are determined, the interior of the building is taken as a unified whole, the temperature distribution of each area in the interior of the building is uniform, and the calculation method is integrated to calculate the energy consumption range of the energy consumption information of the public building;
s4, data comparison: according to the query statistics, energy consumption information of the public building energy consumption monitoring system and the public building energy consumption monitoring system which are not used is compared, and the ratio of the energy consumption difference to the total energy consumption is calculated;
s5, data analysis: defining public buildings with larger energy consumption values or specific areas inside the buildings as substandard, and making energy-saving investigation and reconstruction strategies; performing targeted energy-saving transformation on a building or a specific area inside the building which does not reach the standard;
s6, energy-saving countermeasures: and based on the analysis result of the data, making energy-saving measures according to the gap between the energy consumption condition and the energy consumption standard of the public building.
Specifically, taking the public building energy of the Yuxi city as an example, the method can be thinned into the following steps:
step 1, constructing a performance layer of a public building energy consumption monitoring system, wherein different roles can combine actual demands of the public building energy consumption monitoring system to analyze public building energy consumption data information; the presentation layer comprises a right login management module; the authority login module is linked with a business person subsystem, a researcher subsystem, a system manager subsystem and the like;
step 2, constructing an application layer of a public building energy consumption monitoring system for energy consumption data information processing, display and data information monitoring, wherein each function can be regarded as an independent system module in the application layer, and when the application layer module is designed, each processing module is ensured to be independent relatively, so that mutual interference among all modules is reduced, and a mat is laid for subsequent energy consumption data information processing; the application layer comprises a data and information management module, an analysis display module, an information service module and a background management and control module; the data management module is linked with a data acquisition software subsystem, a data processing subsystem, a data reporting subsystem, a data receiving subsystem and a data management subsystem; the analysis display module is linked with a data analysis display subsystem;
step 3, constructing a public building energy consumption monitoring system data layer; the method comprises the steps of obtaining and transmitting data information of first hand energy consumption, classifying the collected energy consumption data information, wherein a data layer comprises a database module; the database module is linked with a classified sub-item energy consumption database unit, a design installation database unit, a meter original database unit and other database data units;
step 4, collecting energy consumption data information of the public buildings in the Yuxi city based on the public building energy consumption monitoring system constructed in the step;
step 5, the collected energy consumption information of the public building of the Yuxi is arranged and analyzed, a steady-state calculation method is adopted by taking a month as a calculation unit, and a heat balance equation of the public building is established;
in this step, establishing a heat balance equation for the public building includes:
QH/C＝QT+QV-η×(QS+QI)
wherein: QH/C is heating/cooling demand, kW.h/(m) 2 A); QT is the heat transfer/cold loss of the enclosure, including the cumulative value of all the enclosures and heat transfer losses, kW.h/(m) 2 A); QV is ventilation heat loss, kW.h/(m) 2 A); QS is solar energy radiation heat, positive value is taken in heating season, negative value is taken in refrigeration season, kW.h/(m) 2 A); QI is internal heat gain, kW.h/(m) 2 A); η is the free gain heat utilization coefficient;
based on the formula, the cold and hot requirements of the public building in Yuxi city are determined, the interior of the building is taken as a unified whole, the temperature distribution of each area in the interior of the building is uniform, and the energy consumption range for counting the energy consumption information of the public building is calculated by integrating the calculation method, as shown in figure 5;
the calculation formula of each heat loss and heat gain is as follows:
QT＝A×U×ft×Gt
QV＝W×ninf×Cpp×Gt
QS＝r×g×AW×G
QI＝theat×qi×AIFA
wherein: a is the area of the enclosure structure, m 2 The method comprises the steps of carrying out a first treatment on the surface of the U is the U value of the enclosure structure, W/(m) 2 K); ft is the temperature reduction coefficient; gt is heating time number, h; w is ventilation volume, m 3 The method comprises the steps of carrying out a first treatment on the surface of the ninf is the number of osmotic ventilations; cpp is the air heat capacity; r is a reduction coefficient; g is the solar energy coefficient of heat of the glass; AW is window area, m 2 The method comprises the steps of carrying out a first treatment on the surface of the G is annual radiation quantity, kW.h; the is the number of days of heating, d; qi is the heat obtained in unit square meter, and kW.h; AIFA is TFA area, m 2 。
Step 6, inquiring and counting the energy consumption information of the building before the application of the public building energy consumption monitoring system by using the system, calculating the energy consumption difference before and after the application, and calculating the ratio of the energy consumption difference to the total energy consumption;
step 7, comparing the theoretical value with the actual energy consumption reduction rate, and selecting a corresponding area inside the public building according to the difference value to perform further detection analysis;
step 8, defining public buildings with larger difference values or specific areas inside the buildings as substandard, and making energy-saving investigation and transformation strategies;
step 9, combining an energy-saving transformation strategy to develop targeted energy-saving transformation on public buildings or specific areas inside the buildings which do not reach the standard;
in the step, the energy-saving reconstruction of the public building is suitable for the existing energy consumption monitoring system, and the specific energy-saving countermeasures comprise the following steps:
(1) Real-time early warning: the public building energy consumption monitoring system can monitor the leakage current, the state of the fire-fighting equipment, the state of the important load power supply and the running state of the power supply and distribution equipment in real time, and send an alarm according to the event grade to remind the running and maintenance personnel to process, so that the personal and property safety is ensured;
(2) Operation monitoring: the public building energy consumption monitoring system monitors the current, voltage, power and electric energy of outgoing lines of all loops of the substation, the residual current, the operation temperature of cables and buses, the power supply states of fire-fighting equipment and important equipment and all distribution loops in real time;
(3) And (3) energy consumption analysis: the public building energy consumption monitoring system supports classified and separated energy consumption data statistics and analysis functions, and can collect energy consumption conditions such as electricity consumption, water consumption, fuel gas consumption and the like; the data tracking of branch energy consumption, regional energy consumption and department energy consumption can be realized, the data statistics analysis is convenient, and finally an energy consumption monitoring report is formed;
(4) And (3) electric energy quality analysis: the public building energy consumption monitoring system can realize the quality monitoring function of an important loop or a loop sensitive to the electric energy quality;
(5) Historical event viewing and statistics: the power consumption condition of each power distribution node in any time period from the normal operation of the system can be freely inquired through the public building energy consumption monitoring system, and a statistical analysis report of the power consumption of the incoming line of the station and the power consumption of each branch loop is obtained; the visual transparency of electricity consumption is ensured, and the traceability can be analyzed and maintained when the electricity consumption error is larger, so that the accuracy of a metering system is maintained.
As shown in fig. 2-4, the present embodiment further provides a public building energy consumption monitoring system, which is configured to implement the above-mentioned public building energy consumption energy saving effect monitoring method, and in the overall architecture design process, the planning design follows the principle of "service driving"; the system comprises three layers of an application architecture, a data architecture and a technical architecture from bottom to top, wherein each architecture domain has multiple iterations in the design process; wherein:
the application architecture is based on a business architecture, and the application range, the functions, the modules and the like are clearly and accurately defined from the aspect of system function requirements;
the data architecture is based on a business architecture, and data classification, data sources, data deployment and the like are accurately defined from the perspective of system data requirements;
the technical architecture is based on an application architecture and a data architecture, and provides a general technical implementation scheme and a software and hardware physical deployment mode from the system specific implementation point of view according to the development trend of the information technology and corresponding practical experience.
The method provides a tangible and scientific method for the construction from business to system through planning and designing an application architecture, a data architecture and a technical architecture, and provides basis and guidance for the establishment of a technical scheme. As shown in fig. 2-4, the present solution is designed in detail from several aspects of application architecture, data architecture, and technology architecture around the architecture requirement.
In this embodiment, the application architecture includes a data and information management module, an analysis display module, an information service module, and a background management and control module;
the data and information management module is used for acquiring data and other information of the public building, classifying and storing and managing; the data management module is linked with a data acquisition software subsystem, a data processing subsystem, a data reporting subsystem, a data receiving subsystem and a data management subsystem;
the analysis display module is used for calculating, analyzing and displaying the data and other information; the analysis display module is linked with a data analysis display subsystem;
the information service module is used for serving the calculation and analysis results of the data to various service flows;
the background management and control module is used for carrying out background monitoring and management on the application flow of each item of information data.
Further, the data architecture comprises a data receiving module, a data discriminating module, a data calculating module, a data storage module and a data interaction module;
the data receiving module is used for acquiring required data from a plurality of data sources;
the data screening module is used for screening and screening the acquired data and removing invalid, erroneous or missing dirty data;
the data calculation module is used for calculating and analyzing the screened effective data by adopting a preset algorithm flow;
the data storage module is used for classifying and storing the obtained effective data and the calculated effective data; the data storage module is a database module; the database module is linked with a classified sub-item energy consumption database unit, a design installation database unit, a meter original database unit and other database data units;
the data interaction module is used for carrying out interaction comparison and analysis on various data and interactively applying the data to business processes of other associated architectures.
Further, the technical architecture is also called a performance layer, and can analyze public building energy consumption data information by combining actual demands of different roles in society, and comprises a permission login management module; and the authority login module is linked with a business personnel subsystem, a researcher subsystem, a system administrator subsystem and the like and is used for realizing interactive application with a business architecture.
The scheme is used for comparing the energy consumption information of the public building energy consumption monitoring system with the energy consumption before the system is not applied, so that the problems of overhigh building energy consumption and the like can be found in time, targeted energy-saving monitoring and energy-saving reconstruction measures are formulated, the working efficiency and the accurate monitoring of the public building energy consumption monitoring system can be better ensured, and meanwhile, the energy-saving effect of the public building energy consumption monitoring system can be better monitored.
As shown in fig. 6, the present embodiment also provides a data computing platform apparatus comprising a processor, a memory, and a computer program stored in the memory and running on the processor.
The processor comprises one or more than one processing core, the processor is connected with the memory through a bus, the memory is used for storing program instructions, and the steps of the public building energy consumption monitoring system and the energy saving effect monitoring method are realized when the processor executes the program instructions in the memory.
Alternatively, the memory may be implemented by any type or combination of volatile or nonvolatile memory devices such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disk.
In addition, the invention also provides a computer readable storage medium, wherein the computer readable storage medium stores a computer program, and the computer program realizes the steps of the public building energy consumption monitoring system and the energy saving effect monitoring method when being executed by a processor.
Optionally, the present invention also provides a computer program product containing instructions which, when run on a computer, cause the computer to perform the steps of the public building energy consumption monitoring system and the energy saving effect monitoring method described above.
It will be appreciated by those of ordinary skill in the art that the processes for implementing all or part of the steps of the above embodiments may be implemented by hardware, or may be implemented by a program for instructing the relevant hardware, and the program may be stored in a computer readable storage medium, where the above storage medium may be a read-only memory, a magnetic disk or optical disk, etc.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present invention, and are not intended to limit the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The method for monitoring the energy-saving effect of the public building energy consumption is characterized by comprising the following steps of:
s1, building a system architecture: the system comprises three layers of an application architecture, a data architecture and a technical architecture from bottom to top;
s2, acquiring a user list: extracting an area public building energy monitoring list, a potential energy-saving public building user list and a non-working time energy abnormality list through a data center;
s3, data calculation: the collected energy consumption information is arranged and analyzed, a steady-state calculation method is adopted by taking month as a calculation unit, a heat balance equation of a public building is established, the cold and hot requirements of the public building are determined, the interior of the building is taken as a unified whole, the temperature distribution of each area in the interior of the building is uniform, and the calculation method is integrated to calculate the energy consumption range of the energy consumption information of the public building;
s4, data comparison: according to the query statistics, energy consumption information of the public building energy consumption monitoring system and the public building energy consumption monitoring system which are not used is compared, and the ratio of the energy consumption difference to the total energy consumption is calculated;
s5, data analysis: defining public buildings with larger energy consumption values or specific areas inside the buildings as substandard, and making energy-saving investigation and reconstruction strategies; performing targeted energy-saving transformation on a building or a specific area inside the building which does not reach the standard;
s6, energy-saving countermeasures: and based on the analysis result of the data, making energy-saving measures according to the gap between the energy consumption condition and the energy consumption standard of the public building.
2. The method for monitoring energy-saving effect of public building energy consumption according to claim 1, wherein: in S2, establishing a heat balance equation of the public building includes:
QH/C＝Qt+QV-η×(QS+QI)
wherein: QH/C is heating/cooling demand, kW.h/(m) 2 A); QT is the heat transfer/cold loss of the enclosure, including the cumulative value of all the enclosures, heat transfer losses, kW ２ The method comprises the steps of carrying out a first treatment on the surface of the QV is ventilation heat loss, kW.h/(m) 2 A); QS is solar energy radiation heat, positive value is taken in heating season, negative value is taken in refrigeration season, kW.h/(m) 2 A); QI is internal heat gain, kW.h/(m) 2 A); η is the free gain heat utilization coefficient;
based on the formula, the cold and hot requirements of the public building are determined, the interior of the building is taken as a unified whole, the temperature distribution of each area in the interior of the building is uniform, and the energy consumption range for counting the energy consumption information of the public building is calculated by integrating the calculation method;
the calculation formula of each heat loss and heat gain is as follows:
QT＝A×U×ft×Gt
QV＝W×ninf×Cpp×Gt
QS＝r×g×AW×G
QI＝theat×qi×AIFA
wherein: a is the area of the enclosure structure, m 2 The method comprises the steps of carrying out a first treatment on the surface of the U is the U value of the enclosure structure, W/(m) 2 K); ft is the temperature reduction coefficient; gt is heating time number, h; w is the ventilation volume, m 3 The method comprises the steps of carrying out a first treatment on the surface of the ninf is the number of osmotic ventilations; cpp is the air heat capacity; r is a reduction coefficient; h is the solar energy coefficient of heat of the glass; AW is window area, m 2 The method comprises the steps of carrying out a first treatment on the surface of the G is annual radiation quantity, kW.h; the is the number of days of heating, d; qi is the heat obtained in unit square meter, and kW.h; AIFA is TFA area, m 2 。
3. The method for monitoring energy-saving effect of public building energy consumption according to claim 1, wherein: in S6, the specific energy-saving countermeasure includes the following:
(1) Real-time early warning: the public building energy consumption monitoring system can monitor the leakage current, the state of the fire-fighting equipment, the state of the important load power supply and the running state of the power supply and distribution equipment in real time, and send an alarm according to the event grade to remind the running and maintenance personnel to process, so that the personal and property safety is ensured;
(2) Operation monitoring: the public building energy consumption monitoring system monitors the current, voltage, power and electric energy of outgoing lines of all loops of the substation, the residual current, the operation temperature of cables and buses, the power supply states of fire-fighting equipment and important equipment and all distribution loops in real time;
(3) And (3) energy consumption analysis: the public building energy consumption monitoring system supports classified and separated energy consumption data statistics and analysis functions, and can collect energy consumption conditions such as electricity consumption, water consumption, fuel gas consumption and the like; the data tracking of branch energy consumption, regional energy consumption and department energy consumption can be realized, the data statistics analysis is convenient, and finally an energy consumption monitoring report is formed;
(4) And (3) electric energy quality analysis: the public building energy consumption monitoring system can realize the quality monitoring function of an important loop or a loop sensitive to the electric energy quality;
(5) Historical event viewing and statistics: the power consumption condition of each power distribution node in any time period from the normal operation of the system can be freely inquired through the public building energy consumption monitoring system, and a statistical analysis report of the power consumption of the incoming line of the station and the power consumption of each branch loop is obtained; the visual transparency of electricity consumption is ensured, and the traceability can be analyzed and maintained when the electricity consumption error is larger, so that the accuracy of a metering system is maintained.
4. A public building energy consumption monitoring system for implementing the public building energy consumption energy saving effect monitoring method according to any one of claims 1-3, characterized in that: the method comprises the steps of performing overall architecture design by adopting a method of driving from an application architecture and a data architecture to a technical architecture layer by layer, wherein the method comprises three layers of the application architecture, the data architecture and the technical architecture from bottom to top; wherein:
the application architecture is based on a business architecture, and the application range, the functions and the modules are clearly and accurately defined from the aspect of system function requirements;
the data architecture is based on a business architecture, and accurately defines data classification, data sources and data deployment from the perspective of system data requirements;
the technical architecture is based on an application architecture and a data architecture, and provides a general technical implementation scheme and a software and hardware physical deployment mode from the system specific implementation point of view according to the development trend of the information technology and corresponding practical experience.
5. The public building energy consumption monitoring system of claim 4, wherein: the application architecture comprises a data and information management module, an analysis display module, an information service module and a background management and control module;
the data and information management module is used for acquiring data and other information of the public building, classifying and storing and managing; the data and information management module is linked with a data acquisition software subsystem, a data processing subsystem, a data reporting subsystem, a data receiving subsystem and a data management subsystem;
the analysis display module is used for carrying out calculation analysis on the data and other information and displaying the data and other information; the analysis display module is linked with a data analysis display subsystem;
the information service module is used for serving the calculation and analysis results of the data to various service flows;
the background management and control module is used for carrying out background monitoring and management on the application flow of each item of information data.
6. The public building energy consumption monitoring system of claim 4, wherein: the data architecture comprises a data receiving module, a data discriminating module, a data calculating module, a data storage module and a data interaction module;
the data receiving module is used for acquiring required data from a plurality of data sources;
the data screening module is used for screening and screening the acquired data and removing invalid, wrong or missing dirty data;
the data calculation module is used for calculating and analyzing the screened effective data by adopting a preset algorithm flow;
the data storage module is used for classifying and storing the obtained effective data and the calculated effective data; the data storage module is a database module; the database module is linked with a classified sub-item energy consumption library unit, a design installation library unit, a meter original database unit and other library data units;
the data interaction module is used for carrying out interaction comparison and analysis on various data and interactively applying the data to business processes of other associated architectures.
7. The public building energy consumption monitoring system of claim 4, wherein: the technical architecture is also called a performance layer, and can analyze public building energy consumption data information by combining actual demands of different roles in society, and comprises a permission login management module; and the authority login module is linked with a business person subsystem, a researcher subsystem and a system manager subsystem and is used for realizing interactive application with a business architecture.
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