KR20160095820A - Network system and a method controlling the same - Google Patents

Abstract

An embodiment of the present invention relates to a network system and a controlling method thereof which are able to guide power savings of an electrical product. The network system according to an embodiment of the present invention comprises: at least one electrical appliance which is provided to be able to operate by using power supplied from an energy provider; an energy management device which is connected to be able to communicate with the electrical appliance and monitors the power use information of the electrical appliance; and a display device which predicts and displays energy use or bill information in accordance with the use of the electrical appliance based on the past and present power use information of the electrical appliance.

Description

The present invention relates to a network system and a control method thereof,

The present invention relates to a network system and a control method thereof.

BACKGROUND ART [0002] Generally, home appliances include a washing machine, a refrigerator, a cooking appliance or a vacuum cleaner. 2. Description of the Related Art In recent years, communication technologies have developed and a large number of electrical products provided in a home can be network-connected.

Also, the user can monitor the operation states of the plurality of networked electrical appliances or control the operation of the electrical appliances by using a predetermined terminal even at home and abroad. By implementing the network system of such electric appliances, a smart home can be constructed which enables easy living by adding IT technology to the residential environment.

The present applicant has filed a patent application (hereinafter referred to as the prior art) in connection with the smart home technology.

1. Prior Application No. (filing date): 10-2003-0093196 (December 18, 2003)

2. Name of invention: Control method of smart washing machine using home network

On the other hand, when the user selects whether to purchase the electric appliance, the electric power consumption or electric charge of the electric appliance takes a large proportion. At this time, the power saving capability of the electrical product itself is important, but whether or not a device capable of effectively managing the power used in the home is provided can be an important selection criterion.

However, according to the above-described related art, there is a problem that monitoring of electric power use of the electric appliance is limited, and it is difficult to provide guide information for saving power to the user.

In order to solve such a problem, the present embodiment aims at providing a network system and a control method thereof that can guide power reduction of an electrical product.

The network system according to the present embodiment includes at least one electrical appliance operatively provided using electric power supplied from an energy supplier; An energy management device communicably connected to the electrical product and monitoring power usage information of the electrical product; And a display device for predicting and displaying the amount of electricity used or the electric bill according to the use of the electric appliance based on past electric power usage information and current electric power usage information of the electric appliance.

Further, the electric appliance includes a plurality of electric appliances, and the display device is characterized in that the electric power consumption of each appliance is comparably displayed.

In addition, the display device displays information on the power usage distribution according to the use of the electric appliance on the basis of the set time period, and the set time period includes year, day or time.

In addition, the energy supplier transmits information on power supply and demand information or power cost information to the energy management apparatus, and the display apparatus displays, on the basis of the information on the power supply and demand or information on the power cost, And a power saving mode selection unit for selecting a mode for controlling the operation.

Further, the display device may further include a cost information display unit for displaying information on the power cost, wherein the cost information display unit displays a time period longer than a set cost and a time period shorter than the set cost so as to be distinguishable .

The display device may further include: information on a target electric bill of the electric appliance; Information on the operating time of the electric appliance; And information on the predicted electricity bill estimated based on the information on the target electricity bill and the information on the operation time.

In addition, the display device may display a pop-up window indicating the amount of electric power used by the electric appliance and the estimated electricity cost, and the pop-up window may be displayed when a user inputs a setting command, .

In addition, a mobile device communicably connected to the energy management device may be further included, and the display device may be a display device included in the mobile device.

Further, the display device is characterized in that information on the amount of electric power used for electric appliances provided in a plurality of households is displayed in a comparable manner.

In addition, the display device displays information on a plurality of households grouped according to the number of members, and the average power consumption of the household group to which the user furniture belongs and the average power consumption amount of the user furniture are displayed comparably .

Further, the average power consumption of the group of households to which the user furniture belongs and the average power consumption of the user furniture are displayed in a graph.

In addition, the display device may display power usage information for each of the electric appliances provided in the user's furniture and information on the electric power usage for each appliance in the household group to which the user furniture belongs.

A method of controlling a network system according to another aspect includes the steps of: inputting first power information on an amount of electric power used by an electric appliance or an electricity rate during a past setting period; Recognizing second power information related to a current power usage amount of a first electrical product communicatively coupled to the energy management device; Inputting information on a second electrical product that is limited in communication connection with the energy management device; And displaying the predicted electric energy usage amount or electric charge information of the electric appliance based on the first electric power information, the second electric power information, and the information on the second electric appliance.

The method further includes the step of receiving power information regarding the second electric appliance from an external database based on the information about the second electric appliance.

Further, the method further includes the step of displaying the electric power usage amount or electric charge information of the electric appliances provided in the plurality of households in a comparable manner.

Further, among the plurality of households, the amount of electric power used or the electric bill information is displayed in a comparable manner for each group of households corresponding to the number of members.

According to the proposed embodiment, since the power consumption of a plurality of electric appliances can be monitored through the energy management apparatus and the power consumption amount or electricity cost information can be predicted based on the past power consumption amount, It is possible to provide guide information for the user.

In addition, it is possible to monitor the electric power consumption of the electric appliances according to the period, and to provide the monitored information to the user, so that the power management of the user can be efficiently performed.

In addition, since a plurality of households can be network-connected and the power consumption of another home can be objectively compared with the number of members, the advantage of allowing a user to intuitively feel the necessity of power reduction can be obtained have.

1 is a diagram illustrating a configuration of a network system according to a first embodiment of the present invention.
2 is a block diagram illustrating a configuration of a network system according to a first embodiment of the present invention.
3 is a flowchart illustrating a control method of a network system according to a first embodiment of the present invention.
4 to 8 are views showing a configuration of a display device for displaying power consumption information of an electrical product according to a first embodiment of the present invention.
FIG. 9 is a block diagram illustrating a configuration of a network system according to a second embodiment of the present invention.
10 to 12 are views showing a configuration of a display device for displaying power consumption information of an electrical product according to a second embodiment of the present invention.

Hereinafter, some embodiments of the present invention will be described in detail with reference to exemplary drawings. It should be noted that, in adding reference numerals to the constituent elements of the drawings, the same constituent elements are denoted by the same reference numerals whenever possible, even if they are shown in different drawings. In the following description of the embodiments of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the difference that the embodiments of the present invention are not conclusive.

In describing the components of the embodiment of the present invention, terms such as first, second, A, B, (a), and (b) may be used. These terms are intended to distinguish the constituent elements from other constituent elements, and the terms do not limit the nature, order or order of the constituent elements. When a component is described as being "connected", "coupled", or "connected" to another component, the component may be directly connected or connected to the other component, Quot; may be "connected," "coupled," or "connected. &Quot;

FIG. 1 is a diagram illustrating a configuration of a network system according to a first embodiment of the present invention, and FIG. 2 is a block diagram illustrating a configuration of a network system according to the first embodiment of the present invention.

1 and 2, a network system 10 according to a first embodiment of the present invention includes a plurality of electrical products 60 provided in a household (or home) and a plurality of electrical products 60 And an energy management device 50 that can monitor operation information or control the operation of the plurality of appliances 60. [

For example, the plurality of electric appliances 60 may include a refrigerator 61, a washing machine 62, an air conditioner 63, a TV 64 or a cooking device 65.

The energy management device 50 may be provided as an independent device separately from the plurality of electrical products 60 or may be configured to be installed in any one of the plurality of electrical products 60. For example, the energy management device 50 may be mounted on the TV 64.

The network system 10 further includes an energy supplier 20 communicable with the energy management device 50 and supplying electric power to a plurality of electric appliances 60 provided in the furniture.

The energy supplier 20 can transmit information on electric power, that is, information on electric power supply and demand or information on electric power cost to the energy management device 50. For example, the energy supplier 20 may send information to the energy management device 50 (e.g., the energy management device 50) that the information is that the supply is unstable due to a high demand for the current power, ).

The energy supplier 20 and the energy management device 50 may be capable of transmitting or receiving information through the first communication interface 81. [ For example, the first communication interface 81 may include Ethernet or Internet, which is a local area network.

The network system 10 further includes an external database 30 communicably connected to the energy management device 50. The energy management device 50 and the external database 30 may be capable of transmitting or receiving information through the second communication interface 82. For example, the second communication interface 82 may include Ethernet or the Internet.

The energy management device 50 is configured to communicate information not stored in the energy management device 50 or the plurality of electrical products 60 via the communication connection with the external database 30 from the external database 30 Can be delivered. For example, the information may include manufacturing information of some electric appliances that are not communicatively connected with the energy management device 50.

The network system 10 further includes a mobile device 100 that can be operated by a user. The user can be communicatively connected to the energy management device 50 using the mobile device 100 and can monitor the operation information of the plurality of appliances 60 or control the operation thereof.

In detail, the mobile device 100 and the energy management device 83 can be communicatively connected through the third communication interface 83. [ For example, the third communication interface 83 may include the Internet.

The network system 10 may further include a gateway 70 for communicatively connecting the energy management device 50 to a plurality of electrical products 60. For example, the gateway 70 may include an access point (AP). The energy management device 50 and the gateway 70 may be communicatively connected through the fourth communication interface 84. [ The fourth communication interface 84 includes a Wi-Fi (Wi-Fi).

The energy management device 50 may be communicatively coupled to the plurality of appliances 60 through the gateway 70 to receive operational information of the plurality of appliances 60, . Meanwhile, the mobile device 100 may be connected to the energy management device 50 or the plurality of appliances 60 through the gateway 70. [

As described above, various communication methods have been proposed as the first to fourth communication interfaces 81, 82, 83 and 84, but the present invention is not limited thereto. , Bluetooth, Ad-hoc or Zigbee may be used as long as they can be networked.

3 is a flowchart illustrating a control method of a network system according to a first embodiment of the present invention. A control method of the network system according to the present embodiment will be described with reference to FIG.

The user may execute a predetermined program stored in the mobile device 100, for example an application. The application includes an application executed in order to confirm the prediction information with respect to the amount of electric power or the electric bill used by a plurality of electric products provided in the home (S11).

The user can input the first power information, i.e., the electric energy amount information or the electric bill information, related to the total electric power consumption used in the home during the past setting period by using the mobile device 100. [ For example, the user can input the first power information through an electric bill or the like. The past setting period may be, for example, one month, two months, or three months (S12).

The energy management device 50 can measure or calculate current power consumption, i.e., second power information, for each electrical product provided in the home. For example, the second power information may be information on the power consumption accumulated from the first day of the month on the basis of the current point of view, that is, the electric energy amount information or the electric bill information (S13).

On the other hand, the household may include other small-sized electric appliances which are not communicatively connected to the energy management device 50, for example, small appliances. Before the brewery, a coffee pot, an outlet device, a hair dryer, or the like may be included. For convenience of explanation, the electric appliance communicatively connected to the energy management device 50 is referred to as a "first electric appliance ", and the electric appliance limited to communication connection to the energy management device 50 is referred to as a" do.

In the case of the other electric appliances, obtaining the used power information from the energy management device 50 may be restricted. Therefore, the user can manually input the product information or usage information of the other electric appliance. For example, the product information or usage information of the other electrical products may include information on the model name, the year of purchase, the manufacturer, the use time, or the number of times of use of the electrical product.

The energy management device 50 can receive the necessary information from the external database 30 to calculate the amount of electric power used or the electric charge based on the product information or usage information of other electric products inputted by the user . The necessary information may include information about the electric energy or the electric power efficiency of the electric appliance (S14).

Based on the first power information recognized in step S12, the second power information recognized in step S13, and the product information or usage information of other electrical products recognized in step S14, the energy management device 50 calculates the power consumption Electricity rates can be predicted.

Specifically, the amount of power used in the past setting period is compared with the amount of power used from the first day of the current month to the present time, and the amount of electric power accumulated in the last day of the current month or the electric bill information to be charged (S15).

The energy management device 50 can provide guide information for energy saving to the user based on the predicted information. For example, the guide information includes information indicating that the amount of electricity currently accumulated is larger than that of the past, in particular, information indicating that the amount of used electric appliances is large, or information indicating that the amount of used electric appliances is large at a specific day or a specific time Information, and the like.

The energy management device 50 may be provided in at least one of the display devices provided in the mobile device 100, the display device provided in the energy management device 50, or the plurality of electric products 60 (Step S16), the guide information can be informed to the user through the display device.

Hereinafter, embodiments of guide information on energy savings provided to a user will be described with reference to the drawings.

4 to 8 are views showing a configuration of a display device for displaying power consumption information of an electrical product according to the first embodiment of the present invention.

4 to 8, the network system 10 according to the first embodiment of the present invention includes a display unit 110 on which guide information on energy saving described in step S16 of FIG. 3 can be displayed .

For example, the display unit 110 may be a display device included in the mobile device 100. As another example, the display unit 110 may be a display device of the energy management device 50 or a display device of at least one of the plurality of electric products 60. However, Lt; / RTI >

In the display unit 110, a display list 120 is displayed. The display list 120 may include "Energy usage status", "Energy history", "Integrated energy saving", "Target control" and "System settings" tabs. The user can select any one of the tabs to confirm the related information.

For example, when the user selects the "Energy usage status" tab, the display unit 110 displays the estimated amount of electricity used in the home from the first day of the present month to the present, May be displayed.

The power consumption is expressed in units of KWh, and the estimated electricity cost may include information on the total expected electricity cost together with a price per KWh.

In the display unit 110, the operation information of the electrical product 60 provided in the home can be summarized and displayed. The operation information of the electric product 60 may include information on the electric power consumption, the operation time or the number of times of operation of each electric product. For example, in the case of the refrigerator 61, the amount of power used is 40 KWh, and information indicating that 62 doors have been opened is displayed. In the case of the air conditioner 63, information indicating that the used electric power is 110 KWh and operated for 32 hours is displayed. In the case of the washing machine 62, information indicating that washing has been performed four times may be displayed.

The display unit 110 may further display information indicating a power usage ratio of a plurality of electrical products provided in the home. The plurality of appliances may include a plurality of appliances 60 communicatively coupled to the energy management device and other appliances described in step S14 of FIG. Since the electric power usage ratios of the electric appliances can be displayed comparably, the user can feel the necessity of reducing the energy use of the specific electric appliances.

As another example, when the user selects the "Energy History" tab, the display unit 110 may display information on the distribution of the amount of power consumed within the household for each time period, as shown in FIG. have. For example, the time period may be classified by year, day, and hour.

The display unit 110 may include selectable tabs for checking the information by year, day, and time, and when one of the tabs is selected, the power amount distribution during the corresponding period may be displayed as a graph .

In the figure, one year information on the amount of power used each month is displayed on the display unit 110 when the yearly tab is selected.

When the daily tab is selected, the daily power usage information can be displayed in a graph based on one month. When the time-based tap is selected, the power usage information for each hour based on one day can be displayed as a graph.

As another example, when the user selects the "integrated energy saving" tab, as shown in FIG. 6, the display unit 110 includes a power saving mode selection unit 112 ) May be displayed.

The power saving mode of the electric product can be understood as a mode for controlling the operation of the electric appliance based on information on electric power delivered from the energy supplier 20, that is, information on electric power supply and demand or information on electric power cost . For example, when the power saving mode of the electric appliance is turned on, the electric appliance can be controlled so as to restrict the use of the appliance when the electric power supply is unstable or the electric power rate is high.

On the other hand, when the power saving mode of the electric product is turned off, the electric product can be operated based on a command inputted by the user regardless of the information on the electric power delivered from the energy supplier 20. [

The display unit 110 may further include a cost information display unit 113 for displaying information on the power cost. The cost information display unit 113 may be displayed on the display unit 110 when the power saving mode selection unit 112 is turned on. On the other hand, when the power saving mode selection unit 112 is turned off, the cost information display unit 113 may not be displayed.

In the cost information display unit 113, divided time periods may be displayed. Then, it is possible to display the time period longer than the setting cost and the time period shorter than the setting cost so as to be distinguishable. For example, the color of the time interval longer than the set cost can be displayed dark, and the color of the time interval less than the set cost can be displayed softly.

The display unit 110 may further display information on the power saving operation of each type of the electrical product. For example, when the power saving mode is turned on, information related to the set temperatures of the freezing compartment and the refrigerating compartment is displayed in association with the operation of the refrigerator 61, and a message "smart power saving" have.

The term " smart power saving "is understood as an operation performed in order to reduce a power cost or an amount of electric power when a predetermined condition is satisfied. For example, the operation state in which the set temperature of the freezing chamber and the refrigerating chamber is controlled to be relatively high, .

The predetermined condition may include a case where the power cost is high based on the information about the power, or a case where the user inputs smart power saving. For example, if the preset temperature of the freezer compartment is -20 ° C and the set temperature of the refrigerating compartment is 1 ° C, the set temperature of the freezing compartment is changed to -18 ° C and the set temperature of the refrigerating compartment is changed to 2 ° C .

As another example, when the power saving mode is turned on, information related to the set temperature of the indoor space is displayed in association with the operation of the air conditioner 63, and a message "power saving cooling" . The above-mentioned "power saving cooling" is understood as an operation performed in order to reduce the power cost or the amount of electric power when a predetermined condition is satisfied. For example, the operation day is controlled so that the set temperature of the indoor space is kept relatively high. have.

For example, in a state where the set temperature of the indoor space is 20 ° C, if the predetermined condition is satisfied, the set temperature of the indoor space may be changed to 23 ° C.

As another example, when the power saving mode is turned on, a content called "Smart delay" indicating that the power saving operation is being performed may be displayed in association with the operation of the washing machine 62. [ The term "Smart delay" is understood as an operation performed in order to reduce a power cost or a power amount when a predetermined condition is satisfied. For example, in order to avoid a time when a high electricity cost is imposed, It may mean that the operation is stopped.

Meanwhile, the display unit 110 may indicate matters to be cautious in order to reduce the amount of electric power used or electric bill in connection with other electric appliances that do not communicate with the energy management device 50. [ For example, in FIG. 6, "Turn off unused lights for other appliances. Please unplug the outlet to cut off standby power."

As another example, when the user selects the "target control" tab, as shown in Fig. 7, the display unit 110 displays the target electric bill, the total driving time, May be displayed. As an example, the electrical appliances may include "refrigerator", "washing machine", and "air conditioner".

In detail, the user can input target electric charge information for each electric appliance. For example, the target electric bill information may be input through the mobile device 100, the energy management device 50, or the electric product 60. [

The total operation time may be an operation time used on a monthly basis.

The estimated electricity charge may be an electric charge estimated in consideration of a month as a ratio of the currently used electric energy.

For example, if the present day is 21 days and the current electricity cost calculated according to the total operating time of the air conditioner is 11,700 won, the estimated electricity bill estimated at this rate is assumed to be used by the end of the month, and may be 17,000 won.

This information may be displayed on the display unit 110. [ Further, since the above information can be displayed in a graph, the user intuitively can confirm the trend of the increase of the electricity cost. On the horizontal axis of the graph, dates are displayed based on the current month, and rate information can be displayed on the vertical axis.

Referring to FIG. 8, a pop-up window 114 may be displayed on the display unit 110 to inform the user of the amount of electricity used and the estimated electricity cost. The pop-up window 114 may be displayed on the display unit 110 when the user inputs a predetermined command or according to a preset time period.

By displaying the pop-up window 114, the user can call attention to energy saving.

Hereinafter, a second embodiment of the present invention will be described. Since the present embodiment differs from the first embodiment in some configurations of the network system, differences will be mainly described, and the description of the first embodiment and the reference numerals will be used for the same portions as those in the first embodiment.

FIG. 9 is a block diagram illustrating a configuration of a network system according to a second embodiment of the present invention.

9, the network system 10a according to the second embodiment of the present invention includes an energy provider 20, an external database 30, and a mobile device 100. [ The description of the components (20, 30, 100) is based on the description of the first embodiment.

The network system 10a includes an integrated control device 150 capable of monitoring the amount of power used in a plurality of households and an integrated gateway 170 for communicatively connecting a plurality of furniture with the integrated control device 150 The integrated gateway 170 may include a router or a router, for example.

The integrated control device 150 may be communicatively coupled to the energy provider 20, the external database 30, or the mobile device 100. The user can communicate with the integrated control device 150 using the mobile device 100 and can confirm the information or the stored information monitored by the integrated control device 150. [

The plurality of furniture may include a first furniture 91, a second furniture 92, and a third furniture 93. For example, the plurality of furniture may be furniture residing in one apartment or apartment complex. The description of Fig. 1 is used for the construction of a plurality of electric appliances and energy management apparatuses provided in each of the furniture 91, 92, and 93. Fig.

10 to 12 are views showing a configuration of a display device for displaying power consumption information of an electrical product according to a second embodiment of the present invention.

10 to 12, in the display unit 110 of the mobile device 100 according to the second embodiment of the present invention, the amount of power information used in a plurality of furniture can be displayed comparably. As another example, the display unit 110 may be a display device of the integrated control device 150, an energy management device 50 provided in each household, or a display device of an electric product provided in each household.

More specifically, when selecting "energy use status" among the display lists 120 provided in the display unit 110, the display unit 110 displays a plurality of pieces of household number information classified by the number of members, Can be displayed.

For example, as shown in FIG. 10, in the display unit 110, the number of households in the A group having one member is 50, the number of members in the B group having two members is 150, the number of members is 3 The number of households in group C is 80, the number of members in group D is 4, and the number of households in group D is 60, and the number of members in group E is 5 is 40.

Of course, the user can pre-enter the number of members included in his or her household. As an example, when executing an application of the mobile device 100 and logging in, steps may be taken to enter or confirm the address and number of members of the home.

The display unit 110 may display information on the average power consumption of the same group as the number of members of the household. For example, if the number of members of the household is two, the display unit 110 may display information on the average power consumption of the B household. In Fig. 10, it is indicated that the average power consumption of the B household is 320 KWh.

The display unit 110 may display information on the power consumption of the user's own furniture. For example, in FIG. 10, the power consumption of the household is indicated as 400 KWh.

The display unit 110 may further include a comparison graph 115 in which information on the average power consumption of each group of households and information on the power consumption of the households are displayed in a comparable manner.

In detail, referring to FIG. 11, the horizontal axis of the comparison graph 115 displays information about a household group. Information on the amount of power used is displayed on the vertical axis of the comparison graph 115.

The average power usage of the A group to the E group is represented by one line. Then, the power consumption of the furniture of the user is indicated by being positioned in one figure. For example, if there are two members of the household, that is, the group B, the one graphic may be positioned corresponding to the B group position and power consumption of the horizontal axis.

For example, the average power consumption of group B is 320KWh, while the power consumption of households can be 400KWh. That is, the power consumption of the household can be 20% larger than the average power consumption of the B group. This information may be displayed on the comparison graph 115 of the display unit 110. [

The comparison graph 115 can emphasize the necessity of energy saving such as "20% reduction is required" which indicates that current power consumption is large, for example, in order to attract user's attention.

As shown in FIG. 10, the power consumption amount ranking information of the user's household can be displayed on the display unit 110. [ For example, the display unit 110 may display the user's furniture, that is, " *** corresponds to the top 80% of the households of the same group ".

12 may be displayed on the display unit 110 by inputting or touching the slide button 119 located at one side of the comparison graph 115 in the state where the screen of FIG. 11 is displayed.

In detail, in the display unit 110, the electric power consumption of the furniture of the user and the average usage amount of the furniture group of the user's own furniture can be displayed comparatively by type of the electric appliance. For example, a group to which his or her household belongs may be a group B having two members.

In the case where a cooking appliance, a TV, and a refrigerator are provided in the furniture of the user, the amount of power consumed by the user in the household can be compared with the average power consumption of the cooking device in the B group, the TV, and the refrigerator.

Each product is arranged in a vertical direction to form one bar, and the power consumption of each product can be displayed in proportion to the height.

For example, as shown in FIG. 12, the power consumption of the refrigerator of the household is 15% higher than the average power consumption of the refrigerator of the household B, and the power consumption of the TV of the household is lower than the average power consumption of the TV of the household B 20% less. In addition, the power consumption of the cooker of the household can be 35% higher than the average power consumption of the cooking appliance of the household B.

Here, the numbers of 15%, 20% and 35% may be separately indicated by numbers.

In this way, since the power consumption by each product of the household can be compared with the power consumption by the product of the household which is in a situation similar to that of the household, that is, the household having the same number of members, There is an advantage that the user can intuitively perceive it.

10,10a: network system 20: energy provider
30: external database 50: energy management device
60: Electrical appliances 70: Gateway
81 to 84: Communication interface 90: Furniture
100: mobile device 110: display unit
112: power saving mode selection unit 113: cost information display unit
114: pop-up window 115: comparative graph
119: Slide button 120: Display list
150: integrated control device 170: integrated gateway

Claims (16)

At least one electrical product operatively provided using electrical power supplied from an energy supplier;
An energy management device communicably connected to the electrical product and monitoring power usage information of the electrical product; And
And a display device for predicting and displaying the amount of electric power used or the electric bill according to use of the electric appliance based on past electric power usage information and current electric power usage information of the electric appliance. The method according to claim 1,
The electrical product includes a plurality of electrical products,
In the display device,
And the electric power usage amount of each electric appliance is displayed in a comparable manner. The method according to claim 1,
The display device displays information on the distribution of power usage according to use of the electric appliance on the basis of the set time period,
Wherein the set time period includes year, day or time. The method according to claim 1,
The energy supplier delivers information on power supply and demand information or power cost information to the energy management device,
In the display device,
Further comprising a power saving mode selection unit for selecting a mode for controlling the operation of the electrical product based on the information on the power supply and demand or information on the power cost. 5. The method of claim 4,
The display device may further include a cost information display unit for displaying information on the power cost,
In the cost information display section,
Wherein a time period longer than the setting cost and a time period shorter than the setting cost are distinguishable from each other. The method according to claim 1,
In the display device,
Information about a target electric bill of the electric appliance;
Information on the operating time of the electric appliance; And
Wherein the information about the predicted electricity bill is displayed based on the information about the target electricity bill and the information about the operation time. The method according to claim 1,
In the display device,
A pop-up window may be displayed to inform the user of the amount of electric power used and the estimated electric cost of the electric appliance,
Wherein the pop-up window is displayed when a user inputs a setting command or according to a preset time period. The method according to claim 1,
Further comprising a mobile device communicatively coupled to the energy management device,
Wherein the display device is a display unit provided in the mobile device. The method according to claim 1,
In the display device,
Wherein power consumption information of an electric appliance provided in a plurality of furniture is comparably displayed. 10. The method of claim 9,
In the display device,
Information on a plurality of households grouped according to the number of members is displayed,
Wherein the average power consumption of the group of households to which the user furniture belongs and the average power consumption of the user household are comparably displayed. 11. The method of claim 10,
Wherein the average power consumption of the group of households to which the user furniture belongs and the average power consumption of the user household are displayed graphically. 10. The method of claim 9,
In the display device,
Wherein the power consumption information for each appliance of the user furniture and the power consumption information of each appliance of the household group to which the user furniture belongs are displayed in a comparable manner. Inputting first power information about an amount of electric power used by an electric appliance or an electric charge during a past setting period;
Recognizing second power information related to a current power usage amount of a first electrical product communicatively coupled to the energy management device;
Inputting information on a second electrical product that is limited in communication connection with the energy management device; And
And displaying the predicted electric energy usage amount or electric charge information of the electric appliance based on the first electric power information, the second electric power information, and the information about the second electric appliance. 14. The method of claim 13,
Further comprising the step of receiving power information regarding the second electrical product from an external database based on the information about the second electrical product. 14. The method of claim 13,
Further comprising the step of displaying, in a comparable manner, the amount of electricity used or the electricity rate of the electric appliance provided in the plurality of households. 16. The method of claim 15,
Wherein the use amount of electricity or the electric bill information is displayed in a comparable manner for each group of households corresponding to the number of members among the plurality of households.

Images