KR20180061119A - System and method for predicting and evaluating building energy management system - Google Patents

Abstract

Disclosed is a system for evaluating a building energy management system (BEMS). More specifically, the present invention relates to a system and a method for predicting and evaluating, which provide objective information for introduction of the BEMS executing energy management of a building. According to an embodiment of the present invention, the system and method for predicting and evaluating a BEMS generate a simulation model based on a BEMS KS linkage standard, and generate an evaluation project by mapping technique information to which an algorithm realized through a logic gate is applied to the simulation model, thereby performing prediction and evaluation according to the introduction of the BEMS. The system for predicting and evaluating a BEMS comprises: a linkage standard providing part; a model generating part; a reduction technique providing part; a project generating part; a result inquiring part; and a registering part.

Description

TECHNICAL FIELD [0001] The present invention relates to a system and a method for estimating a BEMS prediction,

The present invention relates to a BEMS prediction estimation system, and more particularly, to a BEMS prediction estimation system and method that provides objective prediction estimation related information for the introduction of a building energy management system (BEMS) that implements energy management of a building.

In large buildings such as buildings, energy management is becoming a very important issue, and various studies are under way to reduce energy consumption and intelligent energy management.

To this end, a building energy management system (BEMS: Building Energy Management System) has been proposed as a system that manages various building facilities such as electricity, air conditioning, crime prevention and disaster prevention by utilizing IT technology in buildings. Through such BEMS, we are making efforts to reduce unnecessary energy wastage and efficiently operate building resources by efficiently controlling air conditioning, air conditioning, lighting, and electric power facilities.

However, conventionally proposed systems or methods can not perform energy management adaptively according to the situation, and there is a great difficulty in quickly analyzing and coping with energy wasting factors when they occur.

Further, according to the conventional system, there is no separate evaluation tool for estimating the introduction effect. In Korea, the BEMS KS linkage specification is being developed, and the appropriate evaluation tool is not considered. On the other hand, in the case of overseas, evaluation of energy saving technology is proceeding with M & V protocol or guidelines on energy saving measurement and verification.

Accordingly, there is a growing need to develop software for evaluating appropriate building energy management systems that can reflect the BEMS KS linkage specification and predict and evaluate the BEMS introduction effect.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems of the present invention and it is an object of the present invention to provide an evaluation project for predicting and evaluating the introduction efficiency of a building energy management system for building energy management based on the BEMS KS linkage specification .

In order to solve the above-mentioned problems, a BEMS prediction evaluation system according to an embodiment of the present invention includes a linkage standard providing unit for collecting building information about a building and control point information, which is data on facilities installed in the building; A model generating unit for generating model information for simulation through an analysis model generating process using at least one of information on building structure, window information, indoor load, mechanical equipment, and lighting equipment included in the building information and control point information; Technical information including an algorithm for calculating an energy saving based on a combination of a plurality of logic gates and control logic, and a reduction technology providing unit providing an editing tool to a user terminal; A project generation unit that calls a simulation model and a saving technique included in the model information and the technical information, and generates an energy saving evaluation project by mapping input and output points of the saving technology to input and output points of the simulation model, ; And a result inquiry unit displaying a result of the evaluation project according to an inquiry request of the user terminal, the control point information including: possible boolean type data representing on and off states with respect to the control object; And value type data representing a state in a certain range and unit with respect to the control object, wherein the editing tool comprises: a display window for providing a GUI; A block window providing an input and an output block corresponding to the point information; A logic window providing a plurality of logic gates and control logic in GUI form, respectively; And an edit window for providing a work space for connecting two or more control objects corresponding to the input block corresponding to the drag and drop through a combination of the logic gate and the control logic.

And a registration unit for requesting registration of the evaluation project to apply to the BEMS.

The evaluation project is characterized by being generated in XML format.

In order to solve the above-mentioned problems, there is provided a method of estimating BEMS, comprising the steps of: collecting building information on a building and control point information, which is data on facilities installed in the building; Generating model information for simulation through an analysis model generation process using at least one of information on building structure, window information, indoor load, mechanical equipment, and lighting equipment included in the building information and control point information; Generating technical information including an algorithm that yields energy savings based on a combination of a plurality of logic gates and control logic; Calling a simulation model and a saving technique included in the model information and the technical information, respectively, and generating an energy saving evaluation project by mapping input and output points of the saving technology to input and output points of the simulation model; And displaying the result of the evaluation project according to an inquiry request of the user terminal, wherein the control point information includes possible boolean type data expressing on and off states with respect to the control object, Generating technical information including an algorithm for calculating an energy saving based on a combination of a plurality of logical gates, which is composed of value type data expressing a state in a predetermined range and unit with respect to a control target, The editing tool comprising: a display window for providing a GUI; A block window providing an input and an output block corresponding to the point information; A logic window providing a plurality of logic gates and control logic in GUI form, respectively; And an edit window for providing a work space for connecting two or more control objects corresponding to the input block corresponding to the drag and drop through a combination of the logic gate and the control logic.

The method may further include, in response to the inquiry request of the user terminal, requesting registration of the evaluation project to the BEMS after displaying the result of the evaluation project.

And outputting the evaluation project in an XML format after the step of generating the energy saving evaluation project based on the model information and the technical information.

According to the embodiment of the present invention, a simulation model is generated based on the BEMS KS linkage specification, and the evaluation information is generated by mapping the technical information to which the algorithm implemented through the logic gate or the like is applied to the simulation model, It is possible to carry out the prediction and evaluation according to the introduction.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a diagram schematically showing the overall structure of a BEMS prediction and evaluation system and a BEMS connected thereto according to an embodiment of the present invention; FIG.
2 is a diagram illustrating a structure of a BEMS prediction and evaluation system according to an embodiment of the present invention.
3 is a diagram illustrating a BEMS prediction evaluation method according to an embodiment of the present invention.
4 is a view illustrating an editing tool screen of the BEMS prediction evaluation system according to the embodiment of the present invention.
FIG. 5 is a view illustrating a screen of a work process through an editing tool of the BEMS prediction evaluation system according to the embodiment of the present invention.

Prior to the description, when an element is referred to as being "comprising" or "including" an element throughout the specification, it is to be understood that the element may be further comprised of other elements . Also, the terms "Unit ... " and " Module ", as used herein, refer to units that process at least one function or operation, Software. ≪ / RTI >

Furthermore, the term "embodiment" is used herein to mean serving as an example, instance, or illustration, but the subject matter of the invention is not limited by such example. It is also to be understood that the terms "including, "" having, "and other similar terms are used, but that they do not exclude any additional or different components when used in the claims, Quot; is < / RTI > used in a manner similar to the term " Comprising ".

The various techniques described herein may be implemented with hardware or software, or may be implemented with a combination of both, where appropriate. As used herein, terms such as " Unit, "" System," are likewise equally applicable to computer-related entities, Can be handled. For example, a program module may be composed of one component or a combination of two or more components. Further, in the present invention, both programs and hardware executed in a terminal including a transmitter and a receiver can be configured in units of modules, and they can be recorded in one physical memory, or distributed among two or more memories and recording media .

Hereinafter, a BEMS prediction evaluation system and method according to a preferred embodiment of the present invention will be described with reference to the drawings.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a diagram schematically showing the overall structure of a BEMS prediction and evaluation system and a BEMS connected thereto according to an embodiment of the present invention; FIG.

As shown in FIG. 1, according to an embodiment of the present invention, a building energy management system, which is connected to a plurality of facilities such as a boiler and an air conditioner installed in a building 100 to identify and analyze the state of the facilities, (BEMS) 200, and a BEMS prediction and evaluation system 300 connected to the BEMS 200 for predicting and evaluating the performance thereof.

The BEMS 200 to which the BEMS prediction and evaluation system 300 of the present invention is applied is configured to determine the state information of a plurality of facilities in the building 100 by using the exemplified boiler 131, And collects data from the measuring device 141 and the ventilator 142 and the like. At this time, collected data is measured analogously through a measuring means, and each facility may be provided with a DDC 120 for digitizing the data.

The BEMS 200 receives the digital data through a predetermined network and divides the energy usage field into electricity, water, air conditioning, lighting, electric power, and power, analyzes the usage details by time, date, and place , And determines a driving mode for the facilities based on the defined optimal condition, and controls the automatic mode by the automatic control means (110).

The configuration of the BEMS 200 is not limited to the illustrated drawings, and the BEMS prediction evaluation system 300 of the present invention can be applied to the BEMS 200 of various forms.

In addition, the BEMS prediction and evaluation system 300 is for estimating and evaluating the efficiency of the BEMS 200 to apply the reduction technology. For this purpose, based on the point information according to the BEMS KS linkage standard, And predictive evaluation work. The BEMS prediction evaluation system 300 enables a system configurator to perform editing operations of control points and creation of control logic through a combination of logic gates in the form of a GUI, It is possible to combine the creation technique of saving technology with the saving technology using point information in the simulation model by acquiring equipment and schedule information.

Accordingly, according to the BEMS prediction evaluation system 300 of the present invention, it is possible to predict a reduction technology effect by comparing the results between the basic simulation model and the savings technology combined model.

Hereinafter, the structure of a BEMS prediction and evaluation system according to an embodiment of the present invention will be described in detail with reference to the drawings.

2 is a diagram illustrating a structure of a BEMS prediction and evaluation system according to an embodiment of the present invention.

Referring to FIG. 2, the BEMS prediction and evaluation system 300 of the present invention includes a linkage standard providing unit 310 for providing building information and point information, a model for simulation based on the building information and point information, A reduction technology providing unit 330 for providing technical information including an algorithm for calculating energy savings based on a combination of a plurality of logic gates and control logic, A result generating unit 340 for generating an energy saving evaluation project for the model information, a result inquiry unit 350 for displaying the result of the evaluation project according to the inquiry request of the user terminal, And a system registration unit 360 for registering to apply the registration.

The linkage standard providing unit 310 collects the building information 311 and the control point information 312 in accordance with the BEMS KS linkage standard for creating a simulation model. Information about facilities installed in the building and the facilities such as the boiler and the air conditioner and provides the model generating unit 320 with the data as a reference of the BEMS. The building information 311 and the control point information 312 may be input to the BEMS prediction evaluation system 300 through the terminal of the system configurator. The control point information 312 may indicate data related to facilities such as a boiler and an air conditioner installed in a building.

The model generation unit 320 generates model information for simulation based on the provided building information and control point information. In particular, the analysis model generation process 321 may include a building structure 322, window information 323, an indoor load 324, a hardware 325, And the simulation model is generated using the information about the simulation model 326. The simulation model is input to the project generator 340 as analysis module information.

Reduction technique providing unit 330 generates and transmits technical information including an algorithm that provides an editing tool as a predictive tool to the system configurator terminal and calculates an energy saving based on a combination of a plurality of logic gates and control logic on the editing tool, It serves to provide.

The reduction technique providing unit 330 provides the technical information 331 generated by the editing tool to the project generating unit 340 and particularly the modification algorithm 332 and the simulation algorithm 333 are applied to the technical information 331 .

In detail, the control points obtained in accordance with the BEMS KS connection standard are classified into Boolean type and value type. First, the boolean type determines the operating state of the boiler or the air conditioner, Indicates points that can be represented by On / Off or 0/1, and the value type indicates a control point that can be expressed by a certain range and unit such as room temperature, fan speed of the fan, and so on. Accordingly, the reduction descriptor 330 implements the algorithm by setting logic for the points, wherein the boolean type point is expressed in combination with the logic gate provided by the editing tool to represent the saving technique algorithm. Here, the logic gates may be configured as 'AND', 'NAND', 'OR', 'NOR', 'XOR', and 'NOR', and may be set to enable connection only between logic gates.

In addition, the final input / output point can be set to be only the boolean type control point, and the value type control point can represent the saving technology algorithm in combination with the control logic provided by the editing tool. Here, the control logic may be composed of 'if', 'for', 'while', and 'set', and only the connection between the control logic is possible, and the final input / output point may be set to be both a boolean type and a value type .

In addition, the editing tool can provide iterative support logic for the user's convenience. If the iterative support logic is to repeatedly apply the same algorithm or saving technique to the other input / output points repeatedly several times or more, Thereby reducing the workload of the setter. As an example, it can be applied to logic such as turning off lights in all areas of a particular layer of a building.

The project generating unit 340 generates the energy saving evaluation project for the model information by applying the technical information. The project generation unit 340 generates the analysis model information 341 for the building model provided from the model generation unit 320 and the application technology information 342 to which the saving technology provided from the savings technology providing unit 330 is applied And an algorithm 343 is applied to generate an evaluation project.

The project generation unit 340 includes analysis model information 341 including a search list of input and output points of the building model and connecting input and output points of the building model and input and output points of the reduction technology By combining, an evaluation project is created. Here, the combined building model and the savings technique, that is, the analysis model information and the technical information, are bundled and stored in one project unit.

The result inquiry unit 350 displays a result of execution of the evaluation project generated by the user who displays the result of the evaluation project, that is, the system configurator through the terminal, according to the inquiry request of the user terminal It plays a role.

The registration unit 360 serves to request registration of the evaluation project to apply to the BEMS, and may be omitted.

According to the above-described structure, the BEMS prediction evaluation system according to the embodiment of the present invention can provide an evaluation project based on technical information as an objective indicator of the effect of introduction of BEMS applied to a building, and the result thereof.

Hereinafter, a BEMS prediction evaluation method according to an embodiment of the present invention will be described with reference to the drawings.

3 is a diagram illustrating a BEMS prediction evaluation method according to an embodiment of the present invention.

Referring to FIG. 3, the BEMS prediction and evaluation method of the present invention includes a step (S100) of collecting building information and control point information, a step of generating model information for simulation based on the building information and the control point information (S120) of receiving, based on the model information and the technical information, technical information including an algorithm for calculating an energy saving based on a combination of a plurality of logic gates and control logic And displaying a result of the evaluation project according to an inquiry request of the user terminal (S140). In operation S140, the registration request may be made to apply the evaluation project to the BEMS As shown in FIG.

First, in step S100 of collecting building information and control point information, the association provision provision unit collects building information and control point information according to KS regulations. At this time, the information collection may be performed in the form of receiving the input from the terminal by the system configurator.

Next, the model generating unit generates model information for simulation based on the building information and the control point information collected in step S100 (S110). This model information is used later in the evaluation project creation.

Next, technology information including an algorithm for providing an editing tool to the saving technology providing unit, a system setting terminal, and an algorithm for calculating an energy saving based on a combination of a plurality of logic gates and control logic according to the logic set on the editing tool And provides it to the project creation unit (S120).

Next, the project generating unit generates an energy saving evaluation project based on the model information and the technical information generated in step S110 and step S120 (S130). In step S130, the simulation building model and the reduction technique included in the model information and the technical information are called, respectively, and the input and output points are extracted and listed in the simulation model. Then, the input and output points of the reduction technology are input and output Point and mapping to create an evaluation project that can predict and evaluate efficiency at the end.

Thereafter, the result of the evaluation project is displayed according to the inquiry request of the system configurator terminal (S140).

Further, although not shown, after step S140, a step of requesting registration of the evaluation project to apply to the BEMS may be further included.

Hereinafter, the technical idea of the present invention will be described in more detail with reference to the drawings, by way of example of an editing tool screen for generating technical information provided by the BEMS prediction evaluation system according to the embodiment of the present invention.

4 is a view illustrating an editing tool screen of the BEMS prediction evaluation system according to the embodiment of the present invention.

4, a BEMS prediction and evaluation system according to an embodiment of the present invention includes generating technical information including an algorithm for calculating energy savings based on a combination of the plurality of logic gates and control logic described above S120) provides an editing tool for generating technical information to the user, that is, the system configurator terminal, and the system configurator uses the logic gate and the control logic for each control object of the building, which is a model of the simulation, The algorithm is applied to the BEMS to maximize the saving efficiency.

As an editing tool for this purpose, an editing tool according to an embodiment of the present invention includes a menu bar 410, an input block window 420, a logic window 430, an output block window 440 And an edit window 450, as shown in FIG.

First, the menu bar 410 provides a plurality of menus from which a system configurator can select a function provided by the editing tool of the present invention. The menu bar 410 includes a "Connect" menu for connecting each block and logic gates, "New" menu to create a new project, and "Save" menu to save the edited project.

The input block window 420 provides a block corresponding to the input point among the control objects. The system configurer can place a desired block in the edit window 450 through a drag-and-drop operation in the input block window 420 have.

The logic window 430 allows selection of a plurality of logic gates and control logic except blocks, wherein the logic gates can be selected from among AND, NAND, OR, NOR, XOR, XNOR, , And the control logic may include 'if', 'for', 'while', and 'set' Here, the logic gate is set to enable only the connection between the logic gates, and the final input / output point can be set so as to be capable of only the called type control target.

In addition, the value type control object represents the saving technique algorithm in combination with the control logic provided by the system of the present invention. And, the control logic is set so that only the connection between the control logic is possible, and the final input / output point can be set to be both a boolean type and a value type.

In addition, the system of the present invention can provide iterative support logic for the convenience of the user. If the iterative support logic repeatedly inputs the same algorithm or saving technique several times or more, and the output point needs to be applied elsewhere, the user must repeat the same algorithm and perform input / output correction. The advantage of this algorithm is that it can be expressed by a single input operation when the iteration logic is used.

The output block window 440 provides a block corresponding to the output point among the objects to be controlled. The system configurer can place a desired block in the edit window 450 through a drag-and-drop operation in the output block window 440 have.

The input, output block, logic gate, and control logic described above can be displayed in the form of an image icon in a corresponding window.

The editing window 450 serves to provide a work space so that the system configurer can combine icon-shaped blocks and logic gates provided in the above-described windows in a drag-and-drop manner.

FIG. 5 illustrates a screen of a work process through an editing tool of the BEMS prediction and evaluation system according to an exemplary embodiment of the present invention, illustrating a logic definition screen 500. 5, in the editing tool of the present invention, the system configurator displays icons corresponding to the input window, the output block, the logic gate, and the control logic of the block window and logic window 510 in the logic definition window 500, ) To construct an algorithm and create an evaluation project for it.

As shown, the system configurator can define logic by locating input blocks in the edit window 520 to set two input points, and placing logic gates at the point where the two input blocks meet. Then, one output point is set by arranging the output block at the output terminal of the logic gate to constitute one algorithm.

In addition, the system configurator configures the control logic such as the conditional statement and the loop statement in the edit window 520 to specify the algorithm. At this time, in one area of the edit window 520, a result window 525 may be displayed to display a value calculated as the logic progresses.

In addition, the editing tool includes a function of analyzing and encoding the set logic, and a separate debug window 530 is further inserted at the lower end of the editing window 520 to correspond the corresponding algorithm to a programming language or a markup language You can display the source code.

In particular, an evaluation project according to an embodiment of the present invention may be generated in an 'XML' format, and Table 1 below illustrates an example of source code for a generated evaluation project.

<Diagrams>
<Diagram>
<ID> 10 </ ID>
<Name> Temporary Test </ Name>
<DesignerItems>
<DesignerItem>
<ID> 224 </ ID>
<Type> InputItem </ Type>
<DesignerItemsData>
<Setting1 />
<SelectedWPaddress> EL-1 (B2 parking lot) _kWH </ SelectedWPaddress>
</ DesignerItemsData>
</ DesignerItem>
<DesignerItem>
<ID> 225 </ ID>
<Type> SettingsDesignerItem </ Type>
<DesignerItemsData>
<Setting1 />
<SelectedWPaddress> 30020009 </ SelectedWPaddress>
</ DesignerItemsData>
</ DesignerItem>
<DesignerItem>
<ID> 226 </ ID>
<Type> ANDItem </ Type>
<DesignerItemsData>
<Setting1> (EL-1 (B2 parking lot) _kWH &amp; EL-1 (underground dining room) _kWH) </ setting1>
</ DesignerItemsData>
</ DesignerItem>
<DesignerItem>
<ID> 227 </ ID>
<Type> OutputItem </ Type>
<DesignerItemsData>
<Setting1> (EL-1 (B2 parking lot) _kWH &amp; EL-1 (underground dining room) _kWH) </ setting1>
<SelectedSCName> Office_HVAC </ SelectedSCName>
</ DesignerItemsData>
</ DesignerItem>
</ DesignerItems>
</ Diagram>
</ Diagrams>

Table 1 shows a code for calculating an output value with respect to the power use of the monitoring points in the building, and codes for the logic set at the control points, which are the input points, are illustrated.

While a great many are described in the foregoing description, it should be construed as an example of preferred embodiments rather than limiting the scope of the invention. Accordingly, the invention is not to be determined by the embodiments described, but should be determined by equivalents to the claims and the appended claims.

300: Prediction evaluation system 310:
320: Model generating unit 330:
340: Project generation unit 350: Result query unit
360: Register

Claims (1)

A connection standard providing unit for collecting building information about a building according to a KS regulation inputted from a user terminal and control point information which is data on facilities installed in the building;
A model generating unit for generating model information for simulation through an analysis model generating process using at least one of information on building structure, window information, indoor load, mechanical equipment, and lighting equipment included in the building information and control point information;
Technical information including an algorithm for calculating an energy saving based on a combination of a plurality of logic gates and control logic, and a reduction technology providing unit providing an editing tool to a user terminal;
A project generation unit that calls a simulation model and a saving technique included in the model information and the technical information, and generates an energy saving evaluation project by mapping input and output points of the saving technology to input and output points of the simulation model, ;
A result inquiry unit displaying a result of the evaluation project according to an inquiry request of the user terminal; And
Comprising a register requesting registration of the BEMS for collecting and digitizing data from a plurality of facilities in a building and applying the energy saving evaluation project to the BEMS for determining the driving method for each facility using the digitized data,
The control point information includes possible boolean type data expressing the on and off states with respect to the control object and value type data expressing the state in a certain range and unit with respect to the control object ,
Wherein the editing tool comprises:
A display window for providing a GUI;
A block window providing an input and an output block corresponding to the point information;
A logic window providing a plurality of logic gates in the form of a GUI, and control logic comprising a conditional statement and an iteration statement, respectively;
A menu bar including a connect menu for connecting the input and output blocks and the logic gate;
A debug window for displaying source code corresponding to a programming language or a markup language; And
And an edit window for providing a work space for connecting two or more control objects corresponding to an input block through a combination of logic gates and control logic corresponding to drag and drop,
Wherein the editing tool comprises:
Providing the iterative support logic that iteratively applies the same algorithm or saving technique repeatedly more than a certain number of times with different input and output points,
Wherein the evaluation project is generated in an XML format.

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