KR20170107821A - Air-conditioner system - Google Patents
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- KR20170107821A KR20170107821A KR1020160031626A KR20160031626A KR20170107821A KR 20170107821 A KR20170107821 A KR 20170107821A KR 1020160031626 A KR1020160031626 A KR 1020160031626A KR 20160031626 A KR20160031626 A KR 20160031626A KR 20170107821 A KR20170107821 A KR 20170107821A
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Abstract
Description
The present invention relates to an air conditioner system, and more particularly, to an air conditioner system for analyzing and managing energy consumption of a plurality of units by connecting a plurality of units respectively installed at a plurality of positions.
The air conditioner is installed to provide a comfortable indoor environment for humans by discharging cold air to the room to adjust the room temperature and purify the room air to create a pleasant indoor environment.
The air conditioner is operated by being controlled separately by an indoor unit constituted by a heat exchanger, an outdoor unit constituted by a compressor, a heat exchanger and the like, and supplied to a compressor or a heat exchanger. Also, at least one indoor unit may be connected to the outdoor unit, and the air conditioner is operated in the cooling or heating mode by supplying the refrigerant to the indoor unit according to the requested operation state.
The air conditioner may include a plurality of outdoor units and a plurality of indoor units. The air conditioner may be connected to devices such as a ventilator, a heater, and a humidifier as well as an outdoor unit and an indoor unit.
In managing such an air conditioner, there is a tendency that a system for managing all the air conditioners installed at a plurality of places and managing them and controlling the operation thereof is constructed.
This is to manage the air conditioner in an integrated manner and effectively manage the air conditioner which consumes a lot of energy.
However, in order to analyze the energy consumption of each air conditioner even if monitoring and control are performed by connecting plural air conditioners, the administrator analyzes and compares the data of each of the air conditioners one by one, And it was difficult to manage energy consumption because such comparative analysis had to be performed continuously.
In particular, although the consumption of energy is increasing in society as a whole, there is a limit to the infrastructure for energy production and supply, and it is not easy to add. Therefore, a plan for more effective management of energy consumption is required.
In addition, in the management of energy consumption, it is possible to reduce the energy consumption when the operation of the unit is unilaterally restricted based on the change of the energy consumption, but since the user's dissatisfaction increases, I need a way to make it.
An object of the present invention is to provide an air conditioner system in which energy consumed by a plurality of units connected to a system is measured and analyzed and indoor temperature and indoor humidity are measured to calculate comfort, So that the user can feel a sense of comfort.
An air conditioner system according to the present invention is an air conditioner system composed of a plurality of units including an outdoor unit and an indoor unit, and a main server for monitoring and controlling the plurality of units, And transmits the measured data to the main server. The main server receives and analyzes the measurement data received from the plurality of units and the energy usage amount of each unit, calculates the comfort level for each space, And outputting a change in the amount of energy used according to space or time.
The main server may be configured to output a flow of energy corresponding to one of an energy source, an application, a space, and a layer.
The main server analyzes the energy usage for each predetermined period of time to calculate energy efficiency for each space, and divides the energy usage and energy efficiency of each space into square boxes.
In the air conditioner system according to the present invention configured as described above, a plurality of units individually installed in a plurality of places are connected by a single system, the energy consumed by the plurality of units is measured and analyzed, The energy usage is divided into time and space and displayed as a graph or an energy flow and the energy use efficiency over a predetermined time period is displayed in time to analyze the energy usage and usage pattern more easily, Therefore, energy consumption and efficiency can be more easily managed, and by controlling a plurality of units, energy consumption can be reduced, energy can be saved, and a pleasant environment can be provided.
1 is a view showing an example of energy used in an air conditioner system according to the present invention.
FIG. 2 is a schematic diagram showing a configuration of an air conditioner system according to the present invention.
3 is a simplified diagram of the data flow of the air conditioner system according to the present invention.
FIG. 4 is a schematic view of a main server of an air conditioner system according to the present invention.
FIG. 5 is a flowchart illustrating an anomaly detection method for each space in an air conditioner system according to the present invention.
6A to 6C are diagrams for explaining a space-specific analysis method of the air conditioner system according to the present invention.
FIG. 7 is a view showing an example of a normal section according to anomaly diagnosis of each space in the air conditioner system according to the present invention. FIG.
FIG. 8 is an exemplary diagram referred to for explaining the abnormality diagnosis using the normal section in FIG. 7; FIG.
FIGS. 9A and 9B are views showing the result of the abnormality diagnosis and the countermeasure of the air conditioner system according to the present invention.
10A and 10B are diagrams illustrating an energy use pattern of the air conditioner system according to the present invention.
11 and 12 are views showing an anomaly diagnosis and countermeasures according to energy use of the air conditioner system according to the present invention.
13A and 13B are views showing a control screen for energy status of the air conditioner system according to the present invention.
14A and 14B are views showing a control screen for the environmental condition of the air conditioner system according to the present invention.
FIG. 15 is an exemplary diagram illustrating a control screen for energy flow in the air conditioner system according to the present invention.
Figs. 16A to 16C are diagrams for explaining a method in which the energy flow of Fig. 15 is selectively displayed.
Figs. 17 and 18 are diagrams for explaining a method of changing the control screen in which the energy flow of Fig. 15 is displayed.
19 is a diagram showing an example of environmental analysis according to energy consumption of the air conditioner system according to the present invention.
20A and 20B are diagrams referred to explain space and time-dependent changes in the environmental analysis according to the energy consumption of FIG.
FIGS. 21A and 21B are diagrams showing the abnormal information information and the guidance for the abnormality diagnosis of FIG. 20B.
FIGS. 22A and 22B are diagrams illustrating control screens of energy efficiency of each unit of the air conditioner system according to the present invention.
23 is an exemplary view showing a control screen in which energy information of the air conditioner system according to the present invention is displayed.
FIG. 24 is an exemplary view showing a control screen for an energy usage pattern of the air conditioner system according to the present invention. FIG.
25A and 25B are diagrams for explaining analysis information on the energy use pattern of FIG.
FIGS. 26A and 26B are views illustrating control screens for energy consumption patterns of each space in the air conditioner system according to the present invention.
27A and 27B are diagrams for explaining a method of analyzing energy consumption pattern for each space in the air conditioner system according to the present invention.
BRIEF DESCRIPTION OF THE DRAWINGS The advantages and features of the present invention and the manner of achieving them will become apparent with reference to the embodiments described in detail below with reference to the accompanying drawings. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. To fully disclose the scope of the invention to those skilled in the art, and the invention is only defined by the scope of the claims. Like reference numerals refer to like elements throughout the specification.
Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
1 is a view showing an example of energy used in an air conditioner system according to the present invention.
As shown in FIG. 1, the air conditioner system operates by receiving electricity, gas, and water energy, and manages energy consumption by analyzing usage patterns of energy supplied, space used, and time, respectively .
The air conditioner system collects the energy consumption of all the energy consumed in the building, for example elevators, escalators and lighting fixtures, as well as the electricity, gas and water usage in the multiple units, Can be analyzed.
The air conditioner system receives electric power generated by thermal power generation (4), wind power generation (3), hydro power generation, nuclear power generation, solar power / solar power generation (2) In addition, the air conditioner system is equipped with a separate solar /
Further, the air conditioner system is supplied with gas and is supplied with water through the water supply system (6).
The air conditioner system is used as an operating power source for operating multiple units by receiving electricity. In addition to using water as domestic water in a building, it is used for heat exchange and is supplied for gas heat pumps, gas heaters, and gas boilers Gas.
The air conditioner system analyzes the energy consumption and energy flow of electricity, gas and water in a plurality of units and buildings to judge the imbalance and abnormality due to the use of energy, .
FIG. 2 is a schematic diagram showing a configuration of an air conditioner system according to the present invention. As shown in FIG. 2, the air conditioner system includes an
The air conditioner system includes a
The air conditioner system also includes a terminal 100 that moves and selectively connects to either the
The air conditioner system is provided with a
The air conditioner system is not limited to a single building but a plurality of units installed in a plurality of buildings at different places are connected to the
The air conditioner may be classified into a ceiling type, a stand type, a wall type, and the like depending on the installation type, and the number of the indoor unit and the outdoor unit is not limited to the drawings. Also, according to the type of the unit or energy used, EHP (Electric Heat Pump) and GHP can be used as the air conditioner, and air-cooling type and water-cooling type are provided according to the heat exchange type, and air conditioning and ventilation units using ducts are provided A chiller, an air handling unit (AHU), and an overall heat exchanger may be provided.
The indoor unit (20) and the outdoor unit (10) are connected to each other by a refrigerant pipe, and the heat exchanged air is discharged to the room by the circulation of the refrigerant. The indoor unit (20) and the outdoor unit (10) can communicate with each other through a communication line or a power line, and can communicate with each other through a refrigerant pipe.
The
In addition, the
The
The
A remote controller (not shown) communicates with the
The air conditioning unit (60) is connected to the duct to circulate the air, and simultaneously heats or cools the air to supply it to the room, and introduces outside air or discharges the inside air. The air conditioning unit (60) is connected to a heat source such as a separate outdoor unit or an entire heat exchanger to cool or heat the air.
The
The total heat exchanger (not shown) heats the floor or supplies hot water by collecting and reusing waste heat through heat exchange between air and water.
The
The
The
The
The
The
Also, the
The
The
At this time, the network includes a wireless network such as a LAN, a power line network, a wired network such as a telephone network, a wireless LAN, a wibro, a mobile communication network, and HSDPA, as well as a communication network using a satellite. At this time, the network connecting the respective elements does not need to be unified into one network, and each of the element elements as described above can be connected through the connection between the different installed communication networks. And may further include a device for connection between different communications, as the case may be.
3 is a simplified diagram of the data flow of the air conditioner system according to the present invention.
As shown in FIG. 3, the
The
The unit includes the
The
The
FIG. 4 is a schematic view of a main server of an air conditioner system according to the present invention.
4, the
The
The
The
The
The
The
The
The
The
The
The data analyzer 220 calculates a normal section or a normal pattern as a criterion for judging normal use based on measurement data, comfort data, and energy data on temperature and humidity.
The
The
The
At this time, the control unit 110 can analyze the energy usage and the energy use flow for gas and water as well as electric energy.
The
For example, the
In addition, the
For example, the
In addition, the
FIG. 5 is a flowchart illustrating an anomaly detection method for each space in an air conditioner system according to the present invention.
As shown in FIG. 5, the
The data analyzer 220 calculates a normal interval for energy usage, room temperature, indoor humidity, and comfort level. That is, the
For example, the
The plurality of units measure and store the temperature and humidity of the installed space, and transmit the measured temperature and humidity to the connected
The
The
If the measured data is included in the normal period as a result of comparing the measured data with the normal period, the
On the other hand, if the measured data is not included in the normal section, the
If the
The
6A to 6C are diagrams for explaining a space-specific analysis method of the air conditioner system according to the present invention.
As shown in FIG. 6A, the
At this time, in outputting the energy usage amount, the horizontal axis represents the degree of comfort, and the vertical axis represents one of indoor temperature, indoor humidity, CO2, dust concentration, and occupational density. Data on the vertical axis may be limited to data that can be set to the type of sensor provided in the unit.
The
In addition, the
The
At this time,
At this time, the degree of comfort is set by the dry bulb temperature and the relative humidity as shown in Fig. 6B. It can be judged to be comfortable when the relative humidity condition in the constant dry bulb temperature range is satisfied. Even when the humidity is normal, the comfort level is set low when the dry bulb temperature is too low.
In displaying energy usage, after selecting a layer for one of the plurality of layers shown, for example, the first layer (1F), the
FIG. 7 is a view showing an example of a normal section according to anomaly diagnosis of each space in the air conditioner system according to the present invention. FIG.
7, the
The data analyzer 220 sets a normal interval by calculating statistics of data satisfying a predetermined condition for a predetermined period of the stored data.
At this time, the
The control unit 110 determines that the energy consumption, the
That is, in the case of the 10th floor (10F), it can be seen that the normal section is satisfied with respect to the temperature and the degree of comfort, but the normal energy consumption is exceeded.
On the other hand, the 8th floor (8F) satisfies all the normal ranges for temperature, comfort, and energy usage.
FIG. 8 is an exemplary diagram referred to for explaining the abnormality diagnosis using the normal section in FIG. 7; FIG.
As shown in FIG. 8A, the
On the other hand, as shown in FIG. 8B, the
As shown in FIG. 8C, the
As shown in (d) of FIG. 8, the
FIGS. 9A and 9B are views showing the result of the abnormality diagnosis and the countermeasure of the air conditioner system according to the present invention.
If any one of energy usage, temperature, and comfort level is not satisfied, the controller 110 diagnoses an abnormality and displays a warning mark on the screen.
At this time, if the warning mark is selected by the
The
The
At this time, the data out of the normal section may be displayed in the
At this time, when the diagnosis and guide key are selected, the
For example, the
10A and 10B are diagrams illustrating an energy use pattern of the air conditioner system according to the present invention.
As shown in FIG. 10A, the
At this time, the
For example, when the amount of energy used is less than 20%, less than 20%, less than 10%, less than 10%, less than 10% , And when the target value is used by more than 10%, the target value is used by 20% or more.
Accordingly, the
As shown in FIG. 10B, the
The
Accordingly, the
Also, the user can check patterns of energy consumption and heating / cooling load on the screen.
11 and 12 are views showing an anomaly diagnosis and countermeasures according to energy use of the air conditioner system according to the present invention.
As shown in FIG. 11, the
At this time, when the amount of heating load during summer is high and the amount of energy used is high regardless of time, the
Accordingly, the
At this time, if the
In addition, the
13A and 13B are views showing a control screen for energy status of the air conditioner system according to the present invention.
As shown in FIG. 13A, the
The
The
The name or ID (ID) of the current user is output to the
The current status of the buildings is indicated by the energy status (355) and the environmental status (356), respectively. When the energy status (355) is selected, the energy use status (357) of the building is displayed separately for each building, and the total usage amount for each building is displayed in numerical value. At this time, energy usage status is displayed for each building by floor. The floor energy use status is indicated by different colors as the usage ratio to the target value.
If there is an abnormality in the energy use status, the
The
The used electric power status and the electric power supply and
On the other hand, if any one layer is selected in the
In the
14A and 14B are views showing a control screen for the environmental condition of the air conditioner system according to the present invention.
14A, when the
The
At this time, the warning marks 361 and 362 are displayed in the same manner as the energy status.
When one of the layers is selected in the layered
Also, when any one of the warning marks is selected, the
In the
FIG. 15 is an exemplary diagram illustrating a control screen for energy flow in the air conditioner system according to the present invention.
As shown in FIG. 15, when the
At this time, in the
In addition, a
If the viewing scheme is set to
When
Also, the flow of energy represents the relationship between
For example, a total of 7.92 TOE has been used in the energy source, and some of the gases used for air conditioning, some for disaster prevention, and sanitation are shown as energy flows, depending on the application. In addition, some of the gases used for air conditioning were used in offices, corridors, toilets, and conference rooms, according to zones, and those used for offices and toilets for hygiene purposes. That is, in the case of a toilet, it can be confirmed by the energy flow that the gas energy is used for the purpose of air conditioning and hygiene. At this time, it is possible to confirm that the toilet is used not only for gas but also for electricity and water.
Figs. 16A to 16C are diagrams for explaining a method in which the energy flow of Fig. 15 is selectively displayed.
As shown in FIG. 16A, an energy flow is displayed on the
If any one of the
16B, if any of the
At this time, when the
In the
Figs. 17 and 18 are diagrams for explaining a method of changing the control screen in which the energy flow of Fig. 15 is displayed.
In the above-described Fig. 16B, the energy flow for the electric air conditioning application is divided and displayed according to the zone.
In this case, as shown in FIG. 17, when selecting one of the
When electricity is used in an office for air conditioning purposes, the energy flow is again divided by the usage for
As shown in FIG. 18, it is possible to change and display the items of division for the energy flow, that is, the energy source, the usage, the place, and the layer.
That is, in the above-described FIG. 17, when the energy source is electricity and the energy flow used for the air conditioning is the office, the energy flow is changed and displayed when the position of the item is changed while the energy flow is being displayed.
On the control screen, each item can be dragged and moved. In addition, sub-items included in each item can also be displayed by changing their positions.
In this case, when the position of use and place is changed, the energy flow is also displayed differently. That is, as shown in FIG. 18, the energy flow in which the displayed energy source is electricity and the place is the office is changed and displayed as an energy flow for the use of the air conditioner.
19 is a diagram showing an example of environmental analysis according to energy consumption of the air conditioner system according to the present invention.
As shown in FIG. 19, when the
In the
At this time, a layer displayed in the
At the bottom of the energy graph, a time-varying
On the other hand, if any one of the energy usage for each layer displayed on the energy graph is selected,
The
20A and 20B are diagrams referred to explain space and time-dependent changes in the environmental analysis according to the energy consumption of FIG.
As shown in FIG. 20A, the
When the position of the
20B, when at least one of the energy usage amounts per layer is selected and the
At this time, the energy consumption is displayed as a circle in a predetermined time unit, and a plurality of circles are superimposed on the screen according to the passage of time. When the energy usage is changed according to the change of the time, the size of the displayed circle is changed, and the position is changed and displayed according to the temperature and the degree of comfort.
For example, the first floor (1F) 408 corresponds to the size and position of the circle changing with time, it can be judged that the temperature rises, the degree of comfort gradually decreases, and the energy consumption also decreases. On the other hand, the 10th floor (10F) (409) showed a rise in temperature and a pleasant degree of comfort between normal and pleasant, then decreased again, and energy consumption decreased and increased again.
FIGS. 21A and 21B are diagrams showing the abnormal information information and the guidance for the abnormality diagnosis of FIG. 20B.
As shown in Fig. 21A, when abnormality occurs in the floor energy usage amount in Fig. 20B described above, the
In the state where the energy usage per floor is displayed, it is determined whether or not the energy usage, temperature, and comfort level are included in the normal interval as shown in FIG. 7, and a warning mark is displayed on the screen when the user leaves the normal interval.
When the warning mark is selected, the
As shown in FIG. 21B, the
At this time, as described above, the energy usage amount and the environment information are displayed in the
FIGS. 22A and 22B are diagrams illustrating control screens of energy efficiency of each unit of the air conditioner system according to the present invention.
As shown in FIG. 22A, when the
When the
At this time, a plurality of units are separately displayed according to energy efficiency, respectively. At this time, each unit is divided and arranged according to energy efficiency regardless of the installation position of the unit. At this time, a
At this time, the arrangement of units displayed on the
In addition, the
The type of unit selected in the
At this time, when any one unit is selected in the
For example, when the indoor unit is selected, the indoor unit is displayed on the
Accordingly, the energy efficiency of each type can be separately displayed for a plurality of units.
23 is an exemplary view showing a control screen in which energy information of the air conditioner system according to the present invention is displayed.
23, when the e-community 432 among the control menus of the
Depending on the source of the information, energy information is divided and displayed separately for each channel. Also, they can be classified and displayed according to the theme of energy related information.
FIG. 24 is an exemplary view showing a control screen for an energy usage pattern of the air conditioner system according to the present invention. FIG.
As shown in FIG. 24, the energy usage amount over time is displayed on the
The
Today's energy consumption status (444) displays the optimal load for cooling and heating and displays the current load for that. The energy consumption index for this month shows the comparison between the optimal load for cooling and heating and the load for the month, and the results are classified as poor, normal, good and weekly according to the comparison results. Monthly consumption indicators for this month show daily status for consumption indicators poor, normal, good, and good weekly, and indicate the number of days per month for consumption indicators.
The
In addition, the heating /
The
25A and 25B are diagrams for explaining analysis information on the energy use pattern of FIG.
As shown in FIG. 25A, when one of the heating and cooling load amounts 449 is selected, the
In addition, when the displayed time is changed as shown in FIG. 25B, that is, when the time is set in the monthly unit, the
FIGS. 26A and 26B are views illustrating control screens for energy consumption patterns of each space in the air conditioner system according to the present invention.
As shown in Fig. 26A, a space-specific
At this time,
At the top of the control screen, a
In addition,
When the
When the
Also, when the
For example, if the reference period is the last 7 days, the daily average usage amount is selected, and the diagnosis period is today, the current usage is diagnosed based on the daily average usage for the last 7 days. In other words, the energy consumption of today is measured based on the daily average use amount during the last 7 days, and if it is exceeded, it can be judged that there is an abnormality.
The space
That is, the sizes of the boxes for each space are displayed differently according to the absolute usage amount in the selected time period, and the colors are displayed according to the energy use efficiency. Energy usage in a large area may be larger than energy in a small space. However, since energy efficiency of each space can not be determined based on absolute energy usage alone, Energy usage pattern can be displayed to judge the abnormality.
27A and 27B are diagrams for explaining a method of analyzing energy consumption pattern for each space in the air conditioner system according to the present invention.
As shown in Fig. 27A, the
The
27B, when the
Accordingly, the present invention displays the energy usage by graph and energy flow classified according to time and space, displays energy use efficiency for a predetermined time interval according to space and time, and more easily analyzes energy usage and usage pattern And it is possible to diagnose and cope with the abnormality, so that the energy consumption and efficiency can be more easily managed.
The foregoing description is merely illustrative of the technical idea of the present invention, and various changes and modifications may be made by those skilled in the art without departing from the essential characteristics of the present invention.
10, 11, 12:
30, 31 to 39: remote controller 40: ventilation unit
50, 51 to 53: Controller 60: Air conditioning unit
70: Watt hour meter 80: Gas meter
90: water meter
100: terminal 200: main server
210: control unit 220: data analysis unit
230: data part 240: communication part
250: input unit 260: output unit
Claims (20)
And a main server for monitoring and controlling the plurality of units,
The unit measures data on the indoor space and transmits the measured data to the main server,
Wherein the main server receives and analyzes measurement data received from the plurality of units and an energy usage amount of each unit,
Wherein the comfort level is calculated for each space, the energy usage pattern is analyzed, and a change in energy consumption according to space or time is outputted.
The main server displays the amount of energy used by each floor of the selected building, sets the size of the circle corresponding to the amount of energy used, and sets the position of the circle corresponding to the temperature and the degree of comfort Features an air conditioning system.
Wherein the main server superimposes the energy usage of each floor according to the space.
Wherein the main server displays the colors of the circles differently according to the degree of comfort.
The main server analyzes the measurement data and the usage pattern of the energy usage to set a normal section and judges that there is an abnormality when any one of the temperature, the comfort level, and the energy usage is not included in the normal section, The air conditioner system comprising:
Wherein when the warning mark is selected, the main server outputs a guide including diagnosis, cause, and countermeasure to the detected abnormality.
Wherein the main server displays a time bar and displays an energy usage amount at a time point of change according to the movement of the time bar.
Wherein the main server displays a plurality of circles corresponding to the amount of energy usage in a predetermined time unit in a superimposed manner in correspondence with the moving period of the time bar to thereby output a change in the energy usage amount during the moving period .
Wherein the main server outputs a flow of energy corresponding to one of an energy source, an application, a space, and a floor.
Wherein the main server divides the energy sources supplied to the plurality of units according to the type, and displays energy flows corresponding to the energy sources in different colors.
Wherein the main server superimposes and displays energy flows for the plurality of units.
Wherein the main server displays only the energy flow for the selected item on the screen when a detailed item is selected for at least one of the energy source, the use, the space, and the layer.
The main server displays an energy flow when electric energy supplied to the plurality of units is used for air conditioning, when electricity is selected from among the detailed items of the energy source and air conditioning is selected among the sub items of the use The air conditioning system comprising:
Wherein the main server displays an energy flow by changing the order of each item of the energy source, the usage, the space, and the layer.
The main server analyzes the energy usage amount for each predetermined time interval to calculate energy use efficiency for each space,
Wherein the energy consumption and the energy efficiency of each space are divided and displayed in the form of a square box.
Wherein the main server displays the square of the space differently according to the amount of energy used for each space.
Wherein the main server displays the square color of each space differently according to the energy use efficiency of each space.
Wherein the main server arranges and displays square boxes for each space according to the size of the square in correspondence with the amount of energy used for each space.
Wherein the main server calculates energy efficiency for the plurality of units, and arranges and displays the plurality of units according to energy efficiency by energy efficiency.
Wherein the unit measures at least one of temperature, humidity, co2 concentration, dust concentration, and repulsive density, and transmits the measurement to the main server.
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KR101877954B1 (en) * | 2017-12-26 | 2018-07-12 | 주식회사 어니언소프트웨어 | Air conditioning system for server room |
KR20220072188A (en) * | 2020-11-25 | 2022-06-02 | (주)대한이피씨 | Heating System For Eletric Vehicle Air Conditioning |
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JP5449020B2 (en) * | 2010-05-14 | 2014-03-19 | 三菱電機ビルテクノサービス株式会社 | Air conditioner controller |
JP5969932B2 (en) * | 2013-01-31 | 2016-08-17 | 東京瓦斯株式会社 | Home energy management system |
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KR101877954B1 (en) * | 2017-12-26 | 2018-07-12 | 주식회사 어니언소프트웨어 | Air conditioning system for server room |
KR20220072188A (en) * | 2020-11-25 | 2022-06-02 | (주)대한이피씨 | Heating System For Eletric Vehicle Air Conditioning |
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