CN111046455A - Method and system for monitoring energy consumption and energy saving efficiency of actual operation of building - Google Patents
Method and system for monitoring energy consumption and energy saving efficiency of actual operation of building Download PDFInfo
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Abstract
The invention belongs to the technical field of building operation and maintenance, and discloses a method and a system for monitoring energy consumption and energy saving efficiency of actual operation of a building, wherein the method for monitoring the energy consumption and energy saving efficiency of the actual operation of the building comprises the following steps: data analysis: converting energy consumption data detected by the energy consumption sensor into energy consumption data and classifying the energy consumption data; and (3) data analysis step: and constructing a data model, associating and interacting the energy consumption data and the model data, outputting an energy-saving effect evaluation result, and analyzing and diagnosing the energy consumption problem. The method and the system are used for improving terminal user experience, quickly auditing the building energy efficiency level and quickly grading the buildings in a green manner.
Description
Technical Field
The invention belongs to the technical field of building project management, and particularly relates to a method and a system for monitoring energy consumption and energy saving efficiency of actual operation of a building.
Background
The modern building carries out energy-saving design for the building at the beginning of design, so that the building is a green building. The green building technology focuses on low consumption, high efficiency, economy, environmental protection, integration and optimization, is benefit sharing between people and nature, the present and the future, and is a construction means of sustainable development. The green building evaluation system has three grades, which are divided into three stars, two stars and one star from high to low, and whether the energy consumption and energy saving efficiency of the building in the actual operation period can reach the three-star certification of the green building at the beginning of the design cannot be known, so that an objective and effective system dynamic monitoring method is urgently needed in the industry.
In order to solve the problems, a method and a system for monitoring the energy saving rate of the actual operation of a building are designed.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a method and a system for monitoring the energy consumption and the energy saving efficiency of the actual operation of a building.
The invention is realized in such a way that the method for monitoring the energy consumption and the energy saving efficiency of the actual operation of the building comprises the following steps:
data analysis: converting energy consumption data detected by the energy consumption sensor into energy consumption data and classifying the energy consumption data;
and (3) data analysis step: and constructing a data model, associating and interacting the energy consumption data and the model data, outputting an energy-saving effect evaluation result, and analyzing and diagnosing the energy consumption problem.
Preferably, the data analysis step converts the sensor data into the energy consumption data and classifies the data, and specifically, the data analysis step converts the energy consumption sensor data into the energy consumption data by using a data analysis mode of a modbus communication protocol and a BACnet communication protocol, and classifies and stores the data according to functions of the energy consumption sensors.
Preferably, the air conditioner tail end monitoring component is an energy sensor, a flow sensor, a temperature sensor and a humidity sensor; the power illumination monitoring components are a remote water meter, a remote ammeter and an illumination sensor; the environment monitoring component comprises a formaldehyde detection sensor, a gas concentration sensor, a PM2.5 sensor and a CO2A sensor, a CO sensor,Air conditioner end, power illumination, environmental detection.
Preferably, the data analysis step: constructing a data model, associating and interacting the energy consumption data and the model data, outputting an energy-saving effect evaluation result and analyzing and diagnosing the energy consumption problem,
a model construction step: building a BIM model of the actual building operation condition; constructing a green building scoring model based on 'green building evaluation standard' GB/T50378-2014;
data association step: the energy consumption hardware data is associated with the BIM model data; data display and building actual state evaluation steps: integrating and analyzing data monitored by each sensor, performing data induction and display on different monitoring items, screening monitoring item models of different buildings, floors and rooms, and displaying different states of the current monitoring items such as excellent, good and poor states in the models through a green building scoring standard;
energy consumption data analysis and BIM model interaction steps: the energy consumption data are analyzed and counted through an energy consumption analysis formula, converted into various statistical graphs, current energy consumption and various states of different areas are visually displayed, meanwhile, the variation trend of various numerical values in a time period is analyzed, the working efficiency of equipment is analyzed, and the energy consumption data are compared with energy-saving monitoring indexes.
Preferably, the data associating step: the energy consumption hardware data is associated with the BIM model data, specifically, attributes of an identification sensor are added in the model construction through establishing an association rule, a rule table between the sensor and the identification attributes is compiled, the sensor data is accessed, the model and the sensor data are automatically associated through the rule table, meanwhile, a manual association mechanism is set, and the sensor, a building, a floor and a room are connected.
Preferably, the energy consumption data includes: general analysis, energy station, indoor environment analysis, air conditioning terminal, live water, power and lighting.
Another objective of the present invention is to provide a system for monitoring energy consumption and energy saving efficiency of actual operation of a building, comprising:
a data analysis device: converting energy consumption data detected by the energy consumption sensor into energy consumption data and classifying the energy consumption data;
a data analysis device: and constructing a data model, associating and interacting the energy consumption data and the model data, outputting an energy-saving effect evaluation result, and analyzing and diagnosing the energy consumption problem.
The invention also aims to provide a program for monitoring the energy consumption and the energy saving efficiency of the actual operation of the building, which runs on a terminal and realizes the method for monitoring the energy consumption and the energy saving efficiency of the actual operation of the building.
The invention also aims to provide a terminal which is provided with a processor for realizing the method for monitoring the energy consumption and the energy saving efficiency of the actual operation of the building.
Another object of the present invention is to provide a computer-readable storage medium, which includes instructions, when the computer-readable storage medium runs on a computer, the computer-readable storage medium causes the computer to execute the above method for monitoring energy consumption and energy saving efficiency of actual operation of a building.
Compared with the traditional method for monitoring the energy consumption and the energy saving efficiency of the actual operation of the building, the method has the advantages that through the combination of the energy consumption data and the BIM model data, the related monitoring database for each classification device is established and used for storing and recording the working state parameters of the device so as to analyze the working efficiency of the device, the energy saving effect evaluation and the energy consumption problem analysis and diagnosis are realized through comparison with the energy saving monitoring index, and finally, the energy saving optimization scheme is provided for a building operator.
Drawings
FIG. 1 is a functional flow diagram of a method for monitoring energy consumption and energy saving efficiency of actual operation of a building according to the present invention;
FIG. 2 is a flowchart of a system for monitoring energy consumption and energy saving efficiency of actual operation of a building according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a platform infrastructure of a system for monitoring energy consumption and energy saving efficiency of actual operation of a building according to an embodiment of the present invention;
FIG. 4 is a logic diagram of energy consumption management of a front-end system of a system for monitoring energy consumption and energy saving efficiency of actual operation of a building according to an embodiment of the present invention;
FIG. 5 is a logic diagram of a background energy consumption management system of a system for monitoring energy consumption and energy saving efficiency of actual operation of a building according to an embodiment of the present invention;
FIG. 6 is an operation interface diagram of the background energy consumption management system S01 of the system for monitoring energy consumption and energy saving efficiency of actual operation of a building according to the embodiment of the present invention;
FIG. 7 is an operation interface diagram of the background energy consumption management system S02 of the system for monitoring energy consumption and energy saving efficiency of actual operation of a building according to the embodiment of the present invention;
FIG. 8 is an operation interface diagram of the background energy consumption management system S03 of the system for monitoring the energy consumption and energy saving efficiency of the actual operation of the building according to the embodiment of the present invention;
FIG. 9 is an operation interface diagram of the background energy consumption management system S04 of the system for monitoring energy consumption and energy saving efficiency of actual operation of a building according to the embodiment of the present invention;
FIG. 10 is an operation interface diagram of the background energy consumption management system S06 of the system for monitoring the energy consumption and energy saving efficiency of the actual operation of the building according to the embodiment of the invention;
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The following detailed description of the principles of the invention is provided in connection with the accompanying drawings.
As shown in fig. 1 to 10, the method for monitoring energy consumption and energy saving efficiency of actual operation of a building provided by the embodiment of the invention includes the following steps:
s01: and converting the energy consumption sensor data into energy consumption data, and storing the data in a classified manner according to the functions of the energy consumption sensors.
S02: building a BIM model of the actual building operation condition; a green building scoring model based on 'green building evaluation standard' GB/T50378-2014 is constructed.
S03: the energy consumption hardware data is associated with the BIM model data.
S04: and data display and building actual state evaluation.
S05: and (5) interacting the energy consumption data analysis and the BIM model.
The method for monitoring the energy saving rate of the actual operation of the building is realized as follows:
the system has the characteristics of monitoring instantaneous data and periodic linear data in the actual operation process of buildings (air conditioners, electrical equipment and the like), and carrying out data operation according to the data of monitoring points to prove whether the grade of the samsung certification of the green buildings in the actual operation process meets the design standard in the design process.
Monitoring data are transmitted to a software platform in real time through monitoring and metering devices arranged in each system, so that the digital management and display functions of the energy consumption metering and analyzing system are realized. And establishing a related monitoring database aiming at each classification device, storing and recording working state parameters of the device for analyzing the working efficiency of the device, comparing the working state parameters with energy-saving monitoring indexes, realizing the functions of energy-saving effect evaluation, energy consumption problem analysis and diagnosis and the like, finding out existing problems and finally providing an energy-saving optimization scheme for an operator.
The patent relates to an analysis method, which comprises the steps of intuitively knowing a source point of data by using the three-dimensional visualization characteristic of a BIM technology; a data analysis model of the actual building operation condition based on combination of the BIM model; based on a green building scoring model in green building evaluation Standard GB/T50378-2014, the method is an analysis method for improving terminal user experience, quickly auditing building energy efficiency level and quickly scoring the green building.
Energy consumption data analysis interacts with the BIM model: the energy consumption data are analyzed and counted (divided into six categories, namely overall analysis, energy station, indoor environment analysis, air conditioner tail end, domestic water, power and illumination) through an energy consumption analysis formula, the data are converted into various statistical graphs to visually display the current energy consumption and various states of different areas, the change trend of various numerical values in a time period is analyzed, the working efficiency of the equipment is analyzed, the energy consumption problem is analyzed and diagnosed by comparing with the energy-saving monitoring index, the existing problem is found out, and the efficiency of building operation and maintenance management is improved. The BIM model changes the display state according to the screening of buildings, floors and the like, and intuitively shows the position and the monitoring state of the current energy consumption sensor. The energy consumption data source and partial analysis mode are as follows:
① Total analysis includes reading total table data for total power consumption and total table data for total water consumption.
② energy station, COP is total cold quantity of energy station (direct reading)/total electricity quantity of energy station (electricity quantity of host machine + electricity quantity of freezing water pump + electricity quantity of cooling tower), and water pump efficiency is k (constant) F (total resistance of air conditioner) Q/W (electric power).
③, the air conditioner end has the cold quantity k (constant) and the valve opening and the end rated cold quantity, and the electric quantity t (motor rated power) and t (operation time).
④ power and illumination, power density value is W (regional electric power)/subarea area.
⑤ environmental monitoring, the detection value is superior to the standard value by 10% and is a good value (green), the detection value is superior to the standard value and is a standard value (orange) below the good value, and the detection value is an alarm value (red) below the standard value.
⑥ domestic water, energy consumption of each item of water is the energy consumption monitoring table of each item of water.
⑦ score formula, y (range 0-100) limit value can be filled as score, x is detection value.
Temperature (summer) y-4.444 x2+222.2x-2677.5
Temperature (winter) y ═ 2.5x2+100x-900
Humidity% (summer) y ═ 0.1x2+12x-260
Humidity% (winter) y ═ 0.177x2+16x-260
Formaldehyde PPB y ═ 26.4ln (x) +206.3
Carbon dioxide ppm y ═ 49.1ln (x) +417.3
Carbon monoxide ppm y ═ 39.7ln (x) +183.8
Pm2.5μg/m3y＝-x+150
Illuminance (track) luxy-0.005 x2+1.733x-40
The illuminance (spread) luxy is-0.001 x2+0.866 x-40.
Through the combination of the energy consumption data and the BIM model data, a relevant monitoring database for each classification device is established, the relevant monitoring database is used for storing and recording working state parameters of the devices so as to analyze the working efficiency of the devices, the energy-saving effect evaluation and the energy consumption problem analysis and diagnosis are realized by comparing the energy consumption data with energy-saving monitoring indexes, a building intelligent operation and maintenance management system based on BIM is developed, and finally an energy-saving optimization scheme is provided for a building operator.
The system for monitoring the energy consumption and the energy saving efficiency of the actual operation of the building, provided by the embodiment of the invention, comprises the following steps:
a data analysis device: converting energy consumption data detected by the energy consumption sensor into energy consumption data and classifying the energy consumption data;
a data analysis device: and constructing a data model, associating and interacting the energy consumption data and the model data, outputting an energy-saving effect evaluation result, and analyzing and diagnosing the energy consumption problem.
As shown in fig. 3, the system platform infrastructure of the system for monitoring energy consumption and energy saving efficiency of actual operation of a building comprises a presentation layer, an application layer, a network service layer, a model layer, a data access layer and a data layer, wherein,
the presentation layer comprises a desktop application UI (CS end) and a mobile application UI (MS end);
the application layer comprises energy consumption management;
the network service layer comprises data storage, user authority management, message pushing, function and configuration sharing;
the model layer comprises a data model, namely a BIM model for constructing the actual building operation condition; green building scoring model based on 'Green building evaluation Standard' GB/T50378-2014 is constructed
NET, a system data interface and a file data interface;
the data layer comprises Microsoft SQL Server, sensor data and data files.
It should be noted that the embodiments of the present invention can be realized by hardware, software, or a combination of software and hardware. The hardware portion may be implemented using dedicated logic; the software portions may be stored in a memory and executed by a suitable instruction execution system, such as a microprocessor or specially designed hardware. Those skilled in the art will appreciate that the apparatus and methods described above may be implemented using computer executable instructions and/or embodied in processor control code, such code being provided on a carrier medium such as a disk, CD-or DVD-ROM, programmable memory such as read only memory (firmware), or a data carrier such as an optical or electronic signal carrier, for example. The apparatus and its modules of the present invention may be implemented by hardware circuits such as very large scale integrated circuits or gate arrays, semiconductors such as logic chips, transistors, or programmable hardware devices such as field programmable gate arrays, programmable logic devices, etc., or by software executed by various types of processors, or by a combination of hardware circuits and software, e.g., firmware.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A method for monitoring energy consumption and energy saving efficiency of actual operation of a building is characterized by comprising the following steps:
data analysis: converting energy consumption data detected by the energy consumption sensor into energy consumption data and classifying the energy consumption data;
and (3) data analysis step: and constructing a data model, associating and interacting the energy consumption data and the model data, outputting an energy-saving effect evaluation result, and analyzing and diagnosing the energy consumption problem.
2. The method for monitoring the energy consumption and the energy saving efficiency of the practical operation of the building as claimed in claim 1, wherein the data analysis step is used for converting the sensor data into the energy consumption data and classifying the energy consumption data, and specifically, the data analysis mode of the modbus communication protocol and the BACnet communication protocol is used for converting the energy consumption sensor data into the energy consumption data and classifying and storing the data according to the functions of the energy consumption sensors.
3. The method for monitoring the energy consumption and energy saving efficiency of the actual operation of the building as claimed in claim 2, wherein the energy consumption sensor comprises: the air conditioner tail end monitoring components are an energy sensor, a flow sensor, a temperature sensor and a humidity sensor; the power illumination monitoring components are a remote water meter, a remote ammeter and an illumination sensor; the environment monitoring component comprises a formaldehyde detection sensor, a gas concentration sensor, a PM2.5 sensor and a CO2The system comprises a sensor, a CO sensor, an air conditioner tail end, power illumination and environment detection.
4. The method for monitoring the energy consumption and the energy saving efficiency of the practical operation of the building as claimed in claim 1, wherein the data analysis step comprises: constructing a data model, associating and interacting the energy consumption data and the model data, outputting an energy-saving effect evaluation result and analyzing and diagnosing the energy consumption problem,
a model construction step: building a BIM model of the actual building operation condition; constructing a green building scoring model based on 'green building evaluation standard' GB/T50378-2014;
data association step: the energy consumption hardware data is associated with the BIM model data;
data display and building actual state evaluation steps: integrating and analyzing data monitored by each sensor, performing data induction and display on different monitoring items, screening monitoring item models of different buildings, floors and rooms, and displaying different states of the current monitoring items such as excellent, good and poor states in the models through a green building scoring standard;
energy consumption data analysis and BIM model interaction steps: the energy consumption data are analyzed and counted through an energy consumption analysis formula, converted into various statistical graphs, current energy consumption and various states of different areas are visually displayed, meanwhile, the variation trend of various numerical values in a time period is analyzed, the working efficiency of equipment is analyzed, and the energy consumption data are compared with energy-saving monitoring indexes.
5. The method for monitoring the actual operation energy consumption and energy saving efficiency of the building as claimed in claim 4, wherein the data association step comprises: the energy consumption hardware data is associated with the BIM model data, specifically, attributes of an identification sensor are added in the model construction through establishing an association rule, a rule table between the sensor and the identification attributes is compiled, the sensor data is accessed, the model and the sensor data are automatically associated through the rule table, meanwhile, a manual association mechanism is set, and the sensor, a building, a floor and a room are connected.
6. The method for monitoring the energy consumption and energy saving efficiency of the actual operation of the building as claimed in claim 4, wherein the objects of the energy consumption data comprise: general analysis, energy station, indoor environment analysis, air conditioning terminal, live water, power and lighting.
7. A system for monitoring energy-saving efficiency of actual operation of a building, which facilitates the method for monitoring energy-saving efficiency of actual operation of a building according to any one of claims 1 to 6, comprising:
a data analysis device: converting energy consumption data detected by the energy consumption sensor into energy consumption data and classifying the energy consumption data;
a data analysis device: and constructing a data model, associating and interacting the energy consumption data and the model data, outputting an energy-saving effect evaluation result, and analyzing and diagnosing the energy consumption problem.
8. A program for monitoring the energy consumption and energy saving efficiency of the actual operation of a building, which runs on a terminal, is characterized in that the program for monitoring the energy consumption and energy saving efficiency of the actual operation of the building realizes the method for monitoring the energy consumption and energy saving efficiency of the actual operation of the building as claimed in any one of claims 1 to 6.
9. A terminal, characterized in that the terminal is provided with a processor for realizing the method for monitoring the energy consumption and the energy saving efficiency of the actual operation of a building according to any one of claims 1 to 6.
10. A computer-readable storage medium comprising instructions that, when executed on a computer, cause the computer to perform the method of monitoring energy consumption and energy saving efficiency for actual operation of a building as claimed in any one of claims 1 to 6.
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