KR101929195B1 - Building control apparatus based on load prediction based on building energy efficiency rating - Google Patents

Abstract

A load-prediction-based building control device linked to a building energy efficiency class is disclosed. An input unit 110 for inputting an energy load amount set in accordance with a building area, a heat insulation material, a lighting, and a building energy grade considering the cooling / heating efficiency; A solar radiation sensor 120 installed in a building window and measuring the amount of solar radiation poured from outside the building through a window; A temperature sensor (130) for measuring outside air temperature or room temperature outside the building and for measuring outdoor air temperature or room temperature for evaluating building cooling or heating by heat exchange between building and outside air; The solar radiation amount or the temperature or the room temperature is measured by the radiation amount sensor 120 or the temperature sensor 130, and the heat load and the solar radiation load characteristic in the window and the wall of the object to be air-conditioned are distinguished, A prediction unit 140 for predicting an energy capacity proportional to an energy load; And estimating the energy use by comparing the predicted energy capacity with the energy consumption measured in real time, and if the energy consumption is measured in real time as compared with the predicted energy capacity, the energy conservation scenario And an operation unit 150 for controlling the cost of the apparatus. Therefore, considering the energy load corresponding to the building energy grade, considering the predicted energy capacity according to the solar radiation or the heat conduction according to the outdoor air temperature or the room temperature, and considering the energy load, the predicted energy capacity and the energy consumption measured in real time, To operate in a building energy driving scenario.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a building load control system,

The present invention relates to a load-prediction-based building control device linked to a building energy efficiency level, more specifically, to a building that controls energy by predicting changes in the outside air environment and controls a building energy driving scenario at a minimum cost And a load-prediction-based building control device linked to the energy efficiency grade.

Building control devices include building control devices that use the results of solar radiation predictions and building control devices that use energy control curves that are based on building energy ratings. A building control device that predicts solar radiation to enable more efficient energy management and that takes into account the building energy rating is not currently implemented and is required to operate such a building.

According to the prior art document, Patent Registration No. 1506215, a method of predicting the cooling / heating load using the predicted solar radiation amount predicts the cooling / heating load according to the predicted solar radiation amount, but the building energy can not be controlled according to the energy consumption.

Patent Registration No: 1448453, Integrated Solution System for Predictive Control, Real-Time Control, Operation and Management of Building Energy Provides Integrated Solution for Predictive Control of Building Energy and Operation and Management through Real-Time Control There is a problem in that even when a window or a door is closed, energy consumption is high.

Patent Registration No: 1506215, Method for predicting heating and cooling load using predicted solar radiation Patent registration number: No. 1448453, Integrated solution system based on predictive control, real-time control, operation and management of building energy

It is an object of the present invention to solve the above problems and provide a method of controlling energy consumption in consideration of the energy efficiency of a building and the influence of an outside environment on a building, Based building control device in conjunction with a building energy efficiency level that controls a building energy driving scenario and controls the actual energy consumption when the energy usage is high even after being controlled according to a building energy driving scenario.

In order to accomplish the above object, the present invention provides an energy saving system comprising: an input unit 110 for inputting an energy load amount set in accordance with a building energy, a building area, a heat insulation material, a lighting, and a heating and cooling efficiency; A solar radiation sensor 120 installed in a building window and measuring the amount of solar radiation poured from outside the building through a window; A temperature sensor (130) for measuring outside air temperature or room temperature outside the building and for measuring outdoor air temperature or room temperature for evaluating building cooling or heating by heat exchange between building and outside air; The solar radiation amount or the temperature or the room temperature is measured by the radiation amount sensor 120 or the temperature sensor 130, and the heat load and the solar radiation load characteristic in the window and the wall of the object to be air-conditioned are distinguished, A prediction unit 140 for predicting an energy capacity proportional to an energy load; And estimating the energy use by comparing the predicted energy capacity with the energy consumption measured in real time, and if the energy consumption is measured in real time as compared with the predicted energy capacity, the energy conservation scenario And an operation unit 150 for controlling the cost of the apparatus.

In addition, the building energy driving scenario lowers the use of building energy when the outdoor air temperature or room temperature is high, and lowers the building energy use when the outdoor air temperature or indoor temperature is low.

In addition, the operation unit 150 sets the predicted energy capacity and the input energy load as a reference value, compares the predicted energy capacity and the input energy load with the energy usage measured in real time, determines that the energy usage is high if the energy usage measured in real time is larger than the reference value, If the measured energy use is low, it is judged that the energy use is low.

In addition, when the energy consumption measured in real time is higher than the predicted energy capacity even after the operation in the building energy driving scenario, the operation unit 150 stops the cooling in summer and stops the heating in the winter, .

In the case of using the load predictive-based building control device in accordance with the building energy efficiency class according to the present invention, the energy load corresponding to the building energy grade is taken into consideration and the predicted energy capacity according to the solar radiation amount, And can be controlled in a building energy driving scenario to manage the building energy considering the energy load, the predicted energy capacity and the energy consumption measured in real time.

Also, there is an advantage of improving the energy efficiency by controlling the cooling and heating so that the energy consumption is reduced when the energy consumption is high even after being controlled by the building energy driving scenario.

BRIEF DESCRIPTION OF DRAWINGS FIG. 1 is an exemplary diagram showing the overall configuration of a building control apparatus according to an embodiment of the present invention; FIG.
2 is a block diagram illustrating a building control apparatus according to an embodiment of the present invention.
3 is an exemplary diagram illustrating an energy control curve according to an embodiment of the present invention.
4 is a flowchart illustrating an energy management method according to an embodiment of the present invention.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Terms such as those defined in commonly used dictionaries are to be interpreted as having a meaning consistent with the contextual meaning of the related art and are to be interpreted as either ideal or overly formal in the sense of the present application Do not.

Hereinafter, preferred embodiments according to the present invention will be described in detail with reference to the accompanying drawings.

BRIEF DESCRIPTION OF DRAWINGS FIG. 1 is an exemplary diagram showing the overall configuration of a building control apparatus according to an embodiment of the present invention; FIG.

The building control device is provided in the building. Building control devices have energy driving scenarios to optimize energy use in buildings. The building control device controls energy use according to energy driving scenarios and controls energy within the energy class of the building.

The building control apparatus includes an input unit 110, a radiation amount sensor 120, a temperature sensor 130, a predictor unit 140, and an operation unit 150. The energy efficiency of a building Maximize.

The building control device evaluates energy use by comparing energy usage measured in real time based on energy capacity predicted by solar radiation or temperature or room temperature and building property energy consumption, If the energy usage is high, the building will operate in an energy driving scenario. The predicted energy capacity is determined by the patent registration number: 1506215, and the prediction method of the cooling / heating load using the predicted solar radiation is based on the assumption that the heat transfer characteristic and the solar radiation characteristic of the window and the wall are separately considered in predicting the cooling / It is calculated considering the amount of solar radiation.

The building control system alerts the building to an energy-driven driving scenario, alarms the windows to close, closes the windows, and closes the windows or doors. The building control system can control the energy consumption according to the building energy driving scenario to reduce the energy consumption.

2 is a block diagram illustrating a building control apparatus according to an embodiment of the present invention.

An input unit 110 for inputting an energy load amount set in accordance with a building area, a heat insulation material, a lighting, and a building energy grade considering the cooling / heating efficiency; A solar radiation sensor 120 installed in a building window and measuring the amount of solar radiation poured from outside the building through a window; A temperature sensor (130) for measuring outside air temperature or room temperature outside the building and for measuring outdoor air temperature or room temperature for evaluating building cooling or heating by heat exchange between building and outside air; The solar radiation amount or the temperature or the room temperature is measured by the radiation amount sensor 120 or the temperature sensor 130, and the heat load and the solar radiation load characteristic in the window and the wall of the object to be air-conditioned are distinguished, A prediction unit 140 for predicting an energy capacity proportional to an energy load; And estimating the energy use by comparing the predicted energy capacity with the energy consumption measured in real time, and if the energy consumption is measured in real time as compared with the predicted energy capacity, the energy conservation scenario And an operation unit 150 for controlling the cost of the apparatus. A configuration for enabling the operation of such a building control apparatus will be described.

The input unit 110 inputs the energy load amount set in accordance with the building energy level, which considers the building area, insulation, lighting, and cooling and heating efficiency. The input unit 110 inputs the building design variables and inputs the energy load corresponding to the calculated building energy grade. Building energy grade is determined by building design variables such as building area, insulation, lighting, and heating and cooling efficiency. What is the building area, what kind of insulation is used, lighting efficiency depends on how the heating and heating efficiency is, and the building energy grade is determined. The building energy grade calculated by the building design variable calculates the energy load of the building. The input unit 110 inputs the energy load of the building.

The solar radiation sensor 120 is installed in a building window and measures the amount of solar radiation poured from the outside of the building through the window. The solar radiation sensor 120 senses sunlight intensity and measures solar radiation. The solar radiation sensor 120 is installed in a building window and measures the amount of solar radiation poured into the building through a window. The solar radiation sensor 120 transmits the measured solar radiation amount to the predictor 140.

The temperature sensor 130 measures the outside air temperature and the room temperature outside the building and measures the outside air temperature and the room temperature to evaluate the building cooling or heating by heat exchange between the building and the outside air. The temperature sensor 130 measures outdoor air temperature and indoor temperature outside the building and transmits the temperature value to the prediction unit 140.

The predicting unit 140 measures the solar radiation amount or the temperature and the room temperature with the irradiation amount sensor 120 or the temperature sensor 130 and predicts an energy amount proportional to the measured value and the energy load amount. The predicting unit 140 predicts the energy capacity corresponding to the value measured by the sensor and the energy load at the solar radiation amount, the outdoor air temperature and the indoor temperature, and provides the estimated energy capacity to the operation unit 150. The predicting unit 140 distinguishes the heat transfer load and the solar radiation load characteristic from the window and the wall of the building to be air-conditioned and predicts the energy capacity by reflecting the solar radiation characteristic according to the orientation. The predictor 140 can estimate the energy capacity by reflecting the solar radiation characteristic by the orientation because the heat transfer load of the window becomes larger than the heat transfer load of the wall when the solar radiation amount is large.

The operation unit 150 evaluates the energy use by comparing the predicted energy capacity with the energy consumption measured in real time, and if the energy consumption measured in real time is higher than the predicted energy capacity, the energy consumption is reduced to the building energy driving scenario Drive. The operation unit 150 generates an energy control curve based on the predicted energy capacity and compares the generated energy control curve with the energy consumption measured in real time to evaluate the energy use.

The operation unit 150 operates cooling, heating, lighting, and air conditioning at a minimum cost in a building energy driving scenario when the outdoor air temperature or the room temperature is high. If the energy use is high when the outdoor air temperature or the room temperature is low, Energy-driving scenarios drive cooling, heating, lighting, and air conditioning at minimal cost. Building energy driving scenarios are scenarios that indicate how to control building energy use. The operation unit 150 operates in a building energy driving scenario according to the use of energy.

The operation unit 150 sets the predicted energy capacity and the input energy load as a reference value and compares the predicted energy capacity and the input energy load with the energy usage measured in real time. If the energy usage measured in real time is higher than the reference value, If energy use is low, energy use is low. The operation unit 150 compares the reference value based on the energy control curve and the energy usage measured in real time to determine whether the energy usage is high or low.

The operation unit 150 controls the energy supply to be reduced by lowering the energy usage by controlling the cooling to be stopped in the summer and the heating in the winter when the energy usage is high even after the operation in the building energy driving scenario. The operation unit 150 lowers the energy usage and reduces the energy supply by increasing or decreasing the indoor temperature according to the season if the energy usage is high even after the operation in the building energy driving scenario.

3 is an exemplary diagram illustrating an energy control curve according to an embodiment of the present invention.

The energy control curve depends on the predicted energy capacity 320 and the input energy load 310. The input energy load 310 is determined according to the building energy grade corresponding to the building design index, and the predicted energy capacity 320 moves back and forth around the input energy load depending on the irradiation or outside air temperature or the room temperature. The energy control curve may be set to have a certain level difference with the predicted energy capacity 320. [ The operation unit 150 may compare the energy control curve and the energy usage measured in real time to determine whether the energy usage is high or low. The operation unit 150 can use energy when the energy usage measured in real time is higher than the energy control curve and energy usage is lower when the energy consumption measured in real time is smaller than the energy control curve. A real time measured energy usage 330 compared to an energy control curve is shown. The energy usage 330 measured in real time is actually used energy value.

4 is a flowchart illustrating an energy management method according to an embodiment of the present invention.

Explain how to manage energy.

The building control device includes a program memory for storing a program, a data memory for storing data, and a processor for executing the program.

The data stored in the program memory includes the steps of: inputting an energy load amount set in accordance with a building energy level in consideration of a building area, a heat insulation material, a lighting, and a cooling / heating efficiency; Measuring the amount of solar radiation poured into the building from outside the building through the window; Measuring outside air temperature or room temperature outside the building and measuring outdoor air temperature or room temperature to evaluate building cooling or heating by heat exchange between the building and the outside air; The solar radiation amount or the temperature and the room temperature are measured by the radiation amount sensor 120 or the temperature sensor 130, and the heat load and the solar radiation load characteristic in the window and the wall of the building to be air-conditioned are distinguished, Predicting an energy capacity proportional to the energy load; And estimating the energy use by comparing the predicted energy capacity with the energy usage measured in real time. When the energy usage is measured in real time as compared with the predicted energy capacity, the building energy driving scenario controlling the cooling / And controlling at a minimum cost.

The building control device executes the program stored in the program memory by the processor, and the operation will be described as follows.

The procedures executed in the building control system are described in time series.

The building control unit inputs the energy load set according to the building energy level, considering the building area, insulation, lighting, and cooling and heating efficiency. The building controller inputs the building design variables and inputs the energy load corresponding to the calculated building energy rating. Building energy grade is determined by building design variables such as building area, insulation, lighting, and heating and cooling efficiency. What is the building area, what kind of insulation is used, lighting efficiency depends on how the heating and heating efficiency is, and the building energy grade is determined. The building energy grade calculated by the building design variable calculates the energy load of the building. The building control device inputs the energy load of the building.

The building control system is installed in each building window and measures the amount of solar radiation poured from the outside of the building through the window. The building control unit measures sunlight intensity and measures solar radiation. The building control system is installed in each building window and measures the amount of solar radiation poured into the building through the window. In one embodiment, the solar radiation measurement may be performed separately for each building orientation. The building control device outputs the measured solar radiation.

The building control measures outdoor and outdoor temperatures outside the building and measures outdoor and indoor temperatures to evaluate building cooling or heating by heat exchange between the building and the outside air. The temperature measurement can also be performed separately for each bearing. The building control device measures outside temperature and room temperature outside the building and outputs the temperature value.

The building control device measures the solar radiation amount or the temperature and the room temperature with the irradiation amount sensor 120 or the temperature sensor 130, distinguishes between the heating load and the solar radiation load characteristic in the window and the wall of the building to be air- And predicts an energy capacity proportional to the measured value and the energy load. The building control device predicts the energy capacity corresponding to the value measured by the sensor at the solar radiation amount and the outdoor air temperature or the room temperature.

The building control system evaluates the energy use by comparing the predicted energy capacity with the energy usage measured in real time and operates in a building energy driving scenario to lower the energy consumption when the measured energy usage is higher than the predicted energy capacity . The building control system evaluates energy use by generating an energy control curve based on the predicted energy capacity and the input energy load, and comparing the energy control curve generated and the energy usage measured in real time.

Building controls reduce building energy use when the ambient temperature or room temperature is high, and lower building energy use when the ambient or ambient temperature is low. The Building Management Guidelines are instructions for ordering how to manage windows or doors in a building. The building control unit operates in a building energy driving scenario according to the energy use. The building controller sets the predicted energy capacity and the input energy load as a reference value and compares it with the energy consumption measured in real time. When the energy consumption measured in real time is higher than the reference value, it is judged that the energy usage is higher. , It is judged that energy use is low. The building control device compares the energy consumption curve with the reference value and the energy consumption measured in real time to determine whether the energy use is high or low.

The building control system controls the energy supply by lowering the energy usage by controlling the cooling in summer and stopping the heating in winter when the energy usage is high even after driving in the building energy driving scenario. The building controls reduce energy use and energy supply by raising or lowering the room temperature according to the season if the energy usage is high even after operating in a building energy operating scenario.

Building energy driving scenarios control the operation of refrigeration or heating or air conditioners, which direct the use of building energy.

The building control system can direct the building energy driving scenarios by using energy consumption, season, and room temperature as variables. For example, if the room temperature is low and the energy usage is high in winter, the building control system can control the heating and cooling in a building energy driving scenario to lower building energy use.

In this way, when the building control device operates in a building energy driving scenario, it is controlled in a direction to increase the room temperature.

The building control device may control the refrigeration or heating or air conditioner to indicate building energy operating scenarios or to direct the use of building energy. When a building control device controls refrigeration or heating or an air conditioner, an actuator is configured in each device and a building energy driving scenario can be implemented by driving the corresponding actuator.

If the actuator is not configured, the building control device displays the building energy driving scenario on the display to help the user manage the refrigeration or heating or air conditioner. The building control device can use a smart phone as a display device. The building control device and the smartphone communicate with each other so that the building energy driving scenario indicated by the building control device can be displayed on the smartphone.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the present invention as defined by the following claims It can be understood that

110: input unit 120:
130: Temperature sensor 140:
150:

Claims (4)

An input unit 110 for inputting an energy load amount set in accordance with a building area, a heat insulation material, a lighting, and a building energy rating considering the cooling / heating efficiency;
A solar radiation sensor 120 installed in a building window and measuring the amount of solar radiation poured from outside the building through a window;
A temperature sensor (130) for measuring outdoor air temperature and indoor temperature outside the building and for measuring outdoor air temperature and room temperature for evaluating building cooling or heating by heat exchange between the building and the outside air;
A predictor 140 for measuring the solar radiation amount or the temperature and the room temperature by the irradiation amount sensor 120 or the temperature sensor 130 and for predicting an energy capacity proportional to the measured value and the energy load amount; And
The energy consumption estimated by the predictor 140 is compared with the energy consumption measured in real time, and the use of the energy is evaluated. If the energy consumption measured in real time is higher than the predicted energy capacity, the cooling and heating is controlled to lower the energy consumption ,
Setting the input energy load amount determined according to the predicted energy capacity and the building energy index corresponding to the building design index as a reference value and comparing the energy usage amount measured in real time with the energy usage amount measured in real time It is determined that the energy use is low when the energy usage measured in real time is lower than the reference value and the energy usage is measured by comparing the reference value by the energy control curve and the energy usage measured in real time,
Controlling the cooling and heating according to the building energy driving scenario in which the use of the building energy is lowered when the outdoor air temperature or the room temperature is high and the use of the building energy is lowered when the outdoor air temperature or the room temperature is low when the energy use is high, If the energy consumption measured in real time is higher than the predicted energy capacity even after the operation in the energy driving scenario, the cooling is stopped in the summer and the heating is stopped in the winter so that the energy supply is reduced to reduce the energy supply. 150). ≪ / RTI > delete delete delete

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