KR20160001611A - Apparatus for managing load power by demand response and method thereof - Google Patents

Abstract

The present specification relates to a power load management device for managing a load (for example, an electric device or a load terminal) receiving power, and provides a demand response-based power load management device, a power load management system comprising the same, and a power load management method, wherein the method comprises the following steps of: acquiring power information from a power load management server; selecting, as a power supply source, any one of a charging power source charged in a battery and an external commercial power source on the basis of the acquired power information; and controlling a power supply device to supply power to the load terminal through the selected power supply source. To this end, the demand response-based power load management device according to an embodiment comprises: a communication unit for acquiring power information by performing communications with the power load management server; and a control unit for controlling the power supply device supplying power to the load terminal, wherein the control unit may select, as a power supply source, any one of the charging power charged in the battery and the external commercial power source on the basis of the acquired power information, and control the power supply device to supply power to the load terminal through the selected power supply source.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a demand management load power management apparatus and a load power management method,

The present invention relates to a demand management based load power management apparatus and a load power management method for managing power supplied to a device (or load terminal) that consumes power.

Generally, electric devices (or load terminals) that are present, installed, or installed in buildings, buildings, shops, homes, offices, shops, schools,

For example, the power supply may be an uninterruptible power supply (UPS).

The uninterruptible power supply unit is used as a power source for various control systems, information systems, and other important loads including computers requiring stable power supply.

Demand response (DR) market is expected to expand as smart grid becomes active in recent years.

However, the conventional power supply device only provides functions such as harmonic filtering and overcurrent shutdown for stable power supply.

Accordingly, there is a need for a device that provides a function of controlling or managing the power supply device in order to flexibly manage the power consumed by the electric device in response to the demand management market.

Korean Patent Publication No. 10-2014-0128513 A1

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a load power management apparatus for managing a load (for example, an electric device or a load terminal) to be supplied with electric power, which is obtained from a load power management server, A demand management based load power management device that selects either the charge power charged in the battery or the commercial power source as an electric power source and controls the power supply device to supply electric power to the load terminal through the selected electric power source, And to provide a load power management system and a load power management method including the same.

According to an aspect of the present invention, there is provided a demand management based load power management apparatus comprising: a communication unit for communicating with a load power management server to acquire power information; And a control unit for controlling a power supply unit for supplying power to the load terminal, wherein the control unit selects either the charging power charged in the battery or the external commercial power supply as a power supply source based on the obtained power information And to control the power supply to supply power to the load terminal through the selected power supply.

As an example related to the present specification, the power information may include at least one of abnormal state information, power usage peak information, and power charge information for a power system connected to the load terminal.

In one embodiment of the present invention, the control unit determines whether the power system is in a non-ideal state based on the abnormal state information, and when the power system is in a non-ideal state, And can be selected as the power supply source.

According to one embodiment of the present invention, the control unit determines whether or not the power consumption of the power system reaches a peak value based on the power usage peak information, and when the power usage reaches a peak value, And the charged power can be selected as the power source.

According to one embodiment of the present invention, the control unit determines whether the current power charge exceeds the reference power charge based on the power charge information, and when the current power charge exceeds the reference power charge, The charging power can be selected as the power supply source.

As an example related to the present specification, the control unit may select the power source based on battery status information obtained from the power supply.

As an example related to the present specification, the battery status information may include information related to at least one of a battery remaining amount and a battery voltage status for the battery.

As an example related to the present specification, the control unit may select the commercial power supply as the power supply source when the battery remaining amount is less than the reference value or the battery voltage state is unstable.

As an example related to the present specification, the control unit may select the power supply source in preference to any one of the power information and the battery condition information according to a predetermined priority order.

As one example related to the present specification, the power supply apparatus can wirelessly supply power to the load terminal through a wireless power transmitter.

As an example related to the present specification, the control unit generates a battery charging signal at a predetermined time or on the basis of the power information, and the power supplying unit supplies the battery charging signal through the commercial power source in accordance with the battery charging signal. It can be charged.

As an example related to the present specification, the predetermined time may be the night time.

According to an embodiment of the present invention, the power information includes power charge information, and the controller determines whether the current power charge is less than a predetermined charge power based on the power charge information, The power supply device may control the power supply device to charge the battery through the commercial power supply according to the battery charging signal.

As an example related to the present specification, the communication unit may include: a first wired / wireless communication module that performs communication with the load terminal; And a second wired / wireless communication module for performing communication with the load power management server.

As an example related to the present specification, the control unit may transmit at least one of the power rate information by time slot and the power usage information consumed by the load terminal to the load terminal through the first wired / wireless communication module, And transmits at least one of the battery status information for the battery and the control status information for the power supply to the load power management server through the communication module.

As an example related to the present specification, the control unit may transmit the payment information acquired from the user payment apparatus to the load power management server through the second wired / wireless communication module.

In one embodiment of the present invention, the communication unit receives a demand response request from the load power management server, and when the demand management request is received, And can be selected as the power supply source.

As an example related to the present specification, the load power management server may obtain at least one of the power information and the demand management request from a power company server.

In one embodiment of the present invention, the demand management based load power management apparatus may further include a display unit for displaying at least one of the power information and the control status information on the power supply apparatus on a screen.

As an example related to the present specification, the control unit may control the display unit to display the saving charge information on the saved electricity rate on the screen when the charging electric power charged in the battery is selected as the power supply source.

As an example related to the present specification, the external commercial power source may be at least one of a 220V AC commercial power source and a regenerative power source based on renewable energy.

As one example related to the present specification, the renewable energy may be energy associated with at least one of sunlight, tidal force and wind force.

As an example related to the present specification, the external commercial power source is a 220V AC commercial power source, and the control unit generates a battery charging signal at a predetermined time or on the basis of the power information, And charging the battery through an external power source according to a charging signal.

As an example related to the present specification, the external power source may be a regenerative power generator based on renewable energy, and the regenerative energy may be energy related to at least one of sunlight, tidal force, and wind power.

According to an aspect of the present invention, there is provided a load power management system comprising: a load power management server for acquiring at least one of a power information and a demand management request from a power company server; A load terminal that consumes power; A power supply for supplying power to the load terminal; And a load power management device, wherein the load power management device may be a load power management device according to the embodiments described above.

According to an aspect of the present invention, there is provided a load power management method comprising: obtaining at least one of a power information and a demand management request from a load power management server; Selecting either the charging power charged in the battery or the commercial power source as an electric power source based on at least one of the power information and the demand management request; And powering the load terminal through the selected power source.

According to the demand management based load power management apparatus and the load power management system and the load power management method including the demand management based load management system according to an embodiment disclosed herein, the abnormal state information, the power usage peak information, and the power There is an advantage that optimal demand management can be performed by supplying the charging terminal with the charging power charged in the battery as required based on the power information including the charging information (including the electricity rate information by the time slot).

1 is a conceptual diagram of a load power management system according to an embodiment of the present invention.
2 is a block diagram illustrating a configuration of a demand management based load power management apparatus according to an embodiment disclosed herein.
3 is an exemplary diagram illustrating information displayed on a screen by a demand management based load power management apparatus according to an embodiment disclosed herein.
4 is a flow diagram illustrating a method for managing a load power in accordance with one embodiment disclosed herein.
5 is an exemplary diagram illustrating a power supply and a battery charging method through a regenerative power generator according to an embodiment disclosed herein.
6 is an exemplary diagram illustrating a battery charging method through a regenerative power generator according to an embodiment disclosed herein.

The technique disclosed herein includes a demand management based load power management device for managing power supplied to at least one load terminal consuming power, a load power management system including the demand management based load power management device, Method can be applied.

The load terminal means a terminal in a broad sense, and may be a concept including an electric device consuming electric power, a portable or fixed device or a terminal.

The electric device may include household appliances such as washing machines, dryers, water purifiers, and refrigerators, and A / V devices such as audio and video devices.

For example, the electric device may be an appliance, a facility (or a subsystem) provided in a certain area, for example, an air conditioner, a ventilator, an air conditioner, a fan, a boiler, a cooling tower, A humidity sensor, a freezer, a lighting device, a power device, a refrigerator, a freezer, a showcase, a fire system, and the like.

In addition, the technology disclosed in this specification can be applied to a portable or fixed equipment or terminal connected to the demand management based load power management apparatus by wire or wireless.

The portable or fixed equipment or terminal connected to the load terminal or the demand management based load power management device means a wide range of terminals and is a digital television (TV), a smart TV, a smart phone, A mobile terminal, a personal digital assistant (PDA), a portable multimedia player (PMP) terminal, a personal computer, a notebook computer, a wibro terminal, an internet protocol television , A digital broadcasting terminal, a telematics terminal, a navigation terminal, an AVN (Audio Video Navigation) terminal, a television, a 3D television, an audio / video (A / V) system, a home theater , An information providing center, a call center, and the like.

Specifically, the technique disclosed in this specification is a demand management based load power management apparatus that controls power consumed by the load terminal by controlling a power supply apparatus that supplies electric power to a load terminal installed in, .

According to one embodiment, the demand management based load power management device or the load power management system may also manage the energy or the amount of power consumed by the load terminal in terms of demand management.

The predetermined area may be a broad concept including a building, a building, a store, a home, an office, a shop, a school, and the like (including outdoor facilities thereof).

For example, the store may be a store, a bakery, a convenience store, or the like.

In particular, the store is a concept including a chain store corresponding to a store organization that centrally controls a plurality of stores handling a plurality of merchandise.

It is noted that the technical terms used herein are used only to describe specific embodiments and are not intended to limit the scope of the technology disclosed herein. Also, the technical terms used herein should be interpreted as being generally understood by those skilled in the art to which the presently disclosed subject matter belongs, unless the context clearly dictates otherwise in this specification, Should not be construed in a broader sense, or interpreted in an oversimplified sense. In addition, when a technical term used in this specification is an erroneous technical term that does not accurately express the concept of the technology disclosed in this specification, it should be understood that technical terms which can be understood by a person skilled in the art are replaced. Also, the general terms used in the present specification should be interpreted in accordance with the predefined or prior context, and should not be construed as being excessively reduced in meaning.

Also, the singular forms "as used herein include plural referents unless the context clearly dictates otherwise. In this specification, the terms "comprising ", or" comprising ", etc. should not be construed as necessarily including the various elements or steps described in the specification, Or may be further comprised of additional components or steps.

Furthermore, terms including ordinals such as first, second, etc. used in this specification can be used to describe various elements, but the elements should not be limited by the terms. The terms are used only for the purpose of distinguishing one component from another. For example, without departing from the scope of the present invention, the first component may be referred to as a second component, and similarly, the second component may also be referred to as a first component.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings, wherein like reference numerals are used to designate identical or similar elements, and redundant description thereof will be omitted.

Further, in the description of the technology disclosed in this specification, a detailed description of related arts will be omitted if it is determined that the gist of the technology disclosed in this specification may be obscured. It is to be noted that the attached drawings are only for the purpose of easily understanding the concept of the technology disclosed in the present specification, and should not be construed as limiting the spirit of the technology by the attached drawings.

Description of load power management system

Hereinafter, a load power management system according to an embodiment disclosed herein will be described in detail with reference to FIG.

However, it should be understood by those skilled in the art that the load power management system disclosed in FIG. 1 is merely exemplary and that the techniques disclosed herein may be applied to various types of load power management systems within the scope of the present invention.

1 is a conceptual diagram of a load power management system according to an embodiment of the present invention.

1, a load power management system according to an embodiment of the present invention includes a load power management server 200, a demand management based load power management apparatus 100 (100_1, 100_2), and a load terminal 400 (400_1, 400_2).

Also, the load power management system may include a power supply (refer to 500 in FIG. 2) that supplies power to the load terminal 400 (400_1, 400_2).

Hereinafter, the components will be described in order.

The load power management server 200 is basically a demand management based load power management apparatus 100 (100_1, 100_2) that manages power supplied to a load terminal 400 (400_1, 400_2) Can be remotely controlled or managed.

According to the embodiment disclosed herein, the load power management server 200 transmits information on the power consumption for a specific period to the load terminal 400 (400_1, 400_2) to the demand management based load power management apparatus 100: 100_1, 100_2).

Here, the specific period may be designated or set by a user.

In addition, the specific period may be one that can be specified in units of one day, one week, or one month.

For example, the load power management server 200 may acquire information on the power usage amount every day. In addition, for example, the load power management server 200 can obtain information on the power consumption from Jan. 1 to Jan. 20.

The predetermined area may be a broad concept including a building, a building, a store, a home, an office, a shop, a school, and the like (including outdoor facilities thereof).

According to one embodiment, the load power management server 200 can communicate with the demand management based load power management apparatus 100 (100_1, 100_2) through the wire / wireless network N100.

Communication between the load power management server 200 and the demand management based load power management apparatus 100 (100_1, 100_2) via the wire / wireless network N100 may be performed by various communication methods or communication protocols.

For example, the load power management server 200 may be connected to the demand management based load power management apparatus 100 (100_1, 100_2), a mobile communication network, a TCP / IP (Transmission Control Protocol / Internet Protocol) , Wireless LAN, Wi-Fi, Wireless Broadband (Wibro), and World Interoperability for Microwave Access (Wimax).

According to one embodiment, the load power management server 200 may acquire at least one of the power information and the demand management request from the power company server 300.

The power information may include at least one of abnormal state information, power usage peak information, and power charge information for a power system connected to the load terminal 400 (400_1, 400_2).

The abnormal state information may be information on whether the power system is in a non-ideal state such as an overload or an over-current in the power system.

Therefore, when the load power management server 200 or the demand management based load power management apparatus 100 (100_1, 100_2) judges based on the abnormal state information, the abnormal state information indicates that the external commercial power source is the load And may be information that can be used as a basis for determining whether or not power can be normally supplied to the terminal 400 (400_1, 400_2).

According to an embodiment, the external commercial power source may be an AC power source.

For example, the external commercial power source may be 220Vac (220V AC power).

The power usage peak information may be information related to whether or not the amount of power used through the power system is a maximum value (or a peak value) within a specific period (for example, one day, one week, or one month).

For example, the power usage peak information may be information on whether or not the power consumption in a specific time zone indicates a maximum value.

Therefore, the power usage peak information may be information on which the demand management for the load terminal 400 (400_1, 400_2) is required.

The power charge information may be information related to electric power charges or electric charges of electric power supplied to the load terminals 400 (400_1 and 400_2).

According to one embodiment, the power bill information may include information related to the power bill or electricity bill by time zone.

Therefore, the electric power charge information may be information on which the demand management for the load terminal 400 (400_1, 400_2) is required.

The demand management request may be a request to perform a DR (Demand Response) related to power consumed by the load terminal 400 (400_1, 400_2).

In brief, DR (Demand Response, Demand Response, Demand Management) is a system derived by the necessity of establishing effective energy policy in an energy consuming society.

Demand manager DR has the advantage of contributing to the saving of national energy resources while at the same time reducing the cost by stabilizing power demand and stabilizing power supply and demand.

According to one embodiment, demand management may include midnight power utilization for peak load suppression, maximum demand power control, direct load control, remote control air conditioners, and time-based pricing.

Demand response or demand management refers to the use of electricity by the end consumer in a way that deviates from everyday consumption patterns in response to price or monetary compensation or instructions from the utility.

Generally, utility companies can provide monetary rewards to end consumers to reduce power consumption to cope with high wholesale market prices or threats to system reliability.

According to one embodiment, the demand response or demand management system is a system in which electricity demand is peaked and electricity charges are paid in such a manner that an expensive charge is paid during times when electricity usage is required to be reduced, There may be time-by-day differential pricing that drives end consumers to voluntarily reduce electricity consumption by economic motivation.

In addition, demand response and demand management systems provide system operators with a balance of real-time supply and demand for the nation's power system to provide final performance compensation directly to the final consumer, whose electricity demand is peaked and electricity usage is reduced There may be performance payment schemes that lead to reduced electricity consumption.

Accordingly, the demand management request may be a power management request for the load terminal 400 (400_1, 400_2) based on the differential plan or the performance payment plan.

The remote management system 10 may further include a separate terminal 40 connected to the remote management server 1 by wire or wirelessly.

According to one embodiment, the load power management server 200 transmits at least one of the obtained power information and the demand management request to the demand management based load power management apparatus 100 (100_1, 100_1, 100_2).

The user or the manager of the load power management server 200 accesses the load power management server 200 through a separate terminal (not shown) to connect the demand management based load power management apparatus 100 (100_1, 100_2) . ≪ / RTI >

The separate terminal means a terminal in a broad sense, and may be a concept including a portable terminal. For example, the separate terminal 40 may be a personal computer (PC), a digital television (TV), a smart TV, a smart phone, a portable terminal, a mobile terminal, A mobile terminal, a personal digital assistant (PDA), a portable multimedia player (PMP) terminal, a notebook computer, a wibro terminal, an IPTV terminal, a digital broadcasting terminal, a telematics terminal, Various devices or devices such as an AVN (Audio Video Navigation) terminal, a television, a 3D television, an A / V system, a home theater system, an information providing center, a call center, .

The demand management based load power management apparatus 100 basically manages power supplied to the load terminal 400.

To this end, the demand management based load power management apparatus 100 may perform wire or wireless communication with the load terminal 400.

Specifically, the demand management based load power management apparatus 100 controls the load terminal 400 by controlling a power supply apparatus (not shown in FIG. 2, not shown) for supplying power to the load terminal 400 Power can be managed.

For example, the power supply may be an uninterruptible power supply (UPS).

According to one embodiment, the power supply apparatus may include a plurality of power sources.

For example, the plurality of power sources may be a charging power charged in the battery and an external commercial power source.

In addition, according to one embodiment, the power supply device controls the demand management based load power management apparatus 100 to control the power consumption of the load terminal 400 through any one of the power sources selected from the plurality of power sources Power can be supplied.

For example, the power supply device selects a charge power charged in the battery according to a control signal generated by the demand management based load power management apparatus 100 as a power supply source, and based on the charge power, And can supply power to the terminal 400.

According to one embodiment, the power supply may wirelessly supply power to the load terminal 400 via a wireless power transmitter.

A detailed description of the configuration of the power supply device will be described later in detail with reference to FIG.

According to one embodiment, the demand management based load power management apparatus 100 selects either the charging power charged in the battery or the external commercial power supply as a power supply source based on the obtained power information, And may control the power supply to supply power to the load terminal 400 through a source.

Here, the power information may include at least one of abnormal state information, power usage peak information, and power charge information for a power system (not shown) connected to the load terminal 400.

According to one embodiment, the demand management based load power management apparatus 100 determines whether the power system is in a non-ideal state based on the abnormal state information, and when the power system is in a non-ideal state, And selecting the charging power charged in the battery as the power source.

Here, the power system may refer to a power network capable of providing power to the load terminal 400.

For example, the demand management based load power management apparatus 100 may be configured such that when the power system is unstable due to overload or overcurrent, or is in a non-ideal state and can not provide normal external commercial power to the power supply apparatus, The load terminal 400 may be connected to the load terminal 400 via a power line.

According to one embodiment, the demand management based load power management apparatus 100 determines whether or not the power usage amount for the power system reaches a peak value based on the power usage peak information, and if the power usage amount reaches a peak value And if it is reached, selecting the charging power charged in the battery as the power source.

For example, when the power consumption for the power system reaches a maximum value (or a peak value) in the time zone "1:00 PM to 2:00 PM", the demand management based load power management apparatus 100, To select the charging power that is charged to the power source.

The determination as to whether the power usage has reached a maximum value or a peak value may be performed in various manners.

For example, when the power consumption exceeds the reference peak power consumption, it can be determined that the power consumption reaches a maximum value or a peak value.

Further, for example, it can be judged that the power consumption itself at a specific time has reached the maximum value or the peak value based on the result of the experiment, the measurement result or the empirical rule.

In addition, it is apparent to those skilled in the art that determination can be made as to whether the power usage reaches a maximum value or a peak value in various ways.

According to one embodiment, the demand management based load power management apparatus 100 determines whether a current power charge exceeds a reference power charge based on the power charge information, and if the current power charge exceeds a reference power charge , The charging power charged in the battery may be selected as the power source.

For example, the demand management based load power management apparatus 100 may select the charge power charged in the battery as the power supply source when the current power charge is 1,000 won per hour and the reference power charge is 900 per hour have.

The demand management based load power management apparatus 100 can select the power source based on the battery status information obtained from the power supply apparatus.

Here, the battery status information may include information related to at least one of a battery remaining amount and a battery voltage status of the battery.

According to one embodiment, the demand management based load power management apparatus 100 may select the commercial power supply as the power supply source when the battery remaining amount is less than a reference value or the battery voltage state is unstable.

In addition, according to one embodiment, the demand management based load power management apparatus 100 can select the power supply source with priority given to any one of the power information and the battery status information according to a predetermined priority order .

For example, when the battery status information has a higher priority than the power information, the demand management based load power management apparatus 100 may be configured such that even when the power usage reaches a peak value, , It is possible to control the power supply to supply power to the load terminal 400 using the external commercial power as a power supply.

According to one embodiment, the demand management based load power management apparatus 100 may generate a battery charging signal at a predetermined time or on the basis of the power information.

In this case, the power supply device may charge the battery through the commercial power supply according to the battery charging signal.

According to one embodiment, the predetermined time may be the night time.

For example, the demand management based load power management apparatus 100 charges the battery through the commercial power source at a night time zone in which a power charge is relatively low, and when the power usage reaches a peak value, And can control the power supply to supply power to the load terminal 400 through the charged charge power.

According to one embodiment, the power information may include power charge information.

In this case, the demand management based load power management apparatus 100 determines whether the current power charge is less than a predetermined charge power fee based on the power charge information, and when the current power charge is less than the charge power charge, And the power supply device may be controlled to charge the battery through the commercial power supply according to a battery charging signal.

For example, the demand management based load power management apparatus 100 may supply power to the load terminal 400 via an external commercial power source when the current power charge is 1,000 won per hour and the predetermined charge power fee is 900 And controls the power supply to supply power to the load terminal 400 through the charging power charged in the battery when the current power charge is 800 won per hour and the predetermined charging power charge is 900 have.

The demand management based load power management apparatus 100 may include a communication unit 120 for communicating with the outside.

According to one embodiment, the communication unit 120 includes a first wired / wireless communication module 120_1 that performs communication with the load terminal 400, and a second wired / wireless communication module 120_1 that performs communication with the load power management server 200 Module 120_2 (see FIG. 2).

According to one embodiment, the demand management based load power management apparatus 100 is configured to transmit the power charge information to the load terminal 400 through the first wired / wireless communication module and the power usage information consumed by the load terminal At least one can be transmitted.

According to one embodiment, the demand management-based load power management apparatus 100 may be configured to transmit the battery status information on the battery to the load power management server 200 through the second wired / Lt; RTI ID = 0.0 > 1, < / RTI >

Here, the battery status information may include information related to at least one of a battery remaining amount and a battery voltage status of the battery.

The control status information for the power supply may also include information related to at least one of the type of the currently selected power source, the reason why the currently selected power source was selected and the power rate that is saved due to the power supply through the currently selected power source . ≪ / RTI >

Specifically, the power supply apparatus selects either the battery or the external commercial power supply as a power supply source through at least one switch (for example, an AC switch), and information on the type of the currently selected power supply source (For example, on-off information on the switch) for the at least one switch (refer to the first switch SW10 to the third switch SW30 shown in FIG. 2) ).

According to one embodiment, the demand management based load power management apparatus 100 transmits the payment settlement information obtained from the user payment apparatus M100 to the load power management server 120_2 via the second wired / 200) (see FIG. 2).

Also, according to one embodiment, the communication unit 120 may receive a demand response request from the load power management server 200. [

The demand management based load power management apparatus 100 may select the charging power charged in the battery B10 as the power supply source when the demand management request is received (see FIG. 2).

According to an exemplary embodiment, the load power management server 200 may acquire at least one of the power information and the demand management request from the power company server 300.

According to one embodiment, the demand management based load power management apparatus 100 may further include a display unit 130 displaying at least one of the power information and the control status information on the power supply apparatus on a screen (See Fig. 2).

The demand management based load power management apparatus 100 may further include a display unit 130 for displaying saving charge information on the saved electricity rate on the screen when charging electric power charged in the battery B10 is selected as the electric power source, Can be controlled.

The specific configuration of the demand management based load power management apparatus 100 will be described later in detail with reference to FIG.

The load terminal 400 may perform a specific function by consuming electric power.

As described above, the load terminal 400 means a broader terminal, and may be a concept including an electric device consuming electric power, a portable or fixed device or a terminal.

The electric device may include household appliances such as washing machines, dryers, water purifiers, and refrigerators, and A / V devices such as audio and video devices.

The load terminal 400 can receive power through the power supply device.

According to one embodiment, the load terminal 400 may supply power through any one of the battery B10 and the external commercial power source 220Vac through the control of the demand management based load power management apparatus 100 Can receive.

Hereinafter, the demand management based load power management apparatus according to one embodiment disclosed in detail herein will be described in detail with reference to FIG.

A description of a demand management based load power management device according to an embodiment disclosed herein

A demand management based load power management apparatus according to an embodiment disclosed herein may be implemented as a part or a combination of the configurations or steps included in the above embodiments or a combination of the embodiments, Hereinafter, redundant portions may be omitted for the sake of clarity of the embodiment of the central management server.

Therefore, in the following, description of the load power management system described above and description of the redundant load power management apparatus can be omitted.

Particularly, the load power management apparatus according to the embodiment disclosed herein relates to a load power management apparatus for managing a load (for example, an electric device or a load terminal) supplied with electric power, Selecting one of a charging power charged in the battery and a commercial power source external to the power source based on the obtained power information and supplying power to the load terminal through the selected power source; And a demand management based load power management device for controlling the power supply device.

The demand management based load power management apparatus according to an embodiment disclosed herein includes a communication unit for acquiring power information by performing communication with a load power management server and a control unit for controlling a power supply device for supplying power to the load terminal Wherein the control unit selects either the charging power charged in the battery or the commercial power source external to the battery based on the obtained power information as a power source and supplies power to the load terminal through the selected power source The power supply can be controlled.

According to an embodiment, the power information may include at least one of abnormal state information, power usage peak information, and power charge information for a power system connected to the load terminal.

According to one embodiment, the controller determines whether the power system is in a non-ideal state based on the abnormal state information, and when the power system is in a non-ideal state, You can choose to source.

According to one embodiment, the controller determines whether or not the power consumption of the power system has reached a peak value based on the power usage peak information, and when the power consumption reaches a peak value, The charging power can be selected as the power supply source.

According to one embodiment, the control unit determines whether the current power charge exceeds the reference power charge based on the power charge information, and when the current power charge exceeds the reference power charge, Can be selected as the power source.

According to one embodiment, the controller may select the power source based on the battery status information obtained from the power supply.

According to one embodiment, the battery status information may include information related to at least one of a battery remaining amount and a battery voltage status for the battery.

According to an embodiment, the control unit may select the commercial power supply as the power supply source when the battery remaining amount is less than the reference value or the battery voltage state is unstable.

According to an embodiment, the control unit may select the power supply source in preference to any one of the power information and the battery condition information according to a predetermined priority order.

According to one embodiment, the power supply may wirelessly supply power to the load terminal via a wireless power transmitter.

According to an embodiment, the control unit generates a battery charging signal at a predetermined time or on the basis of the power information, and the power supply unit charges the battery through the commercial power supply in accordance with the battery charging signal .

According to one embodiment, the predetermined time may be the night time.

According to an embodiment, the power information includes power charge information, and the control unit determines whether the current power charge is less than a predetermined charge power charge based on the power charge information, The power supply device may be controlled to charge the battery through the commercial power supply according to the battery charging signal.

According to an embodiment, the communication unit may include a first wired / wireless communication module that performs communication with the load terminal, and a second wired / wireless communication module that performs communication with the load power management server.

According to one embodiment, the control unit transmits at least one of the power rate information by time to the load terminal and the power usage information consumed by the load terminal through the first wired / wireless communication module, To the load power management server, at least one of battery status information on the battery and control status information on the power supply apparatus.

According to one embodiment, the control unit may transmit the payment information acquired from the user payment apparatus to the load power management server through the second wired / wireless communication module.

According to an embodiment, the communication unit may receive a demand response request from the load power management server, and when the demand management request is received, the control unit may set the charge power charged in the battery to the power You can choose to source.

According to one embodiment, the load power management server can acquire at least one of the power information and the demand management request from a power company server.

According to an embodiment, the load power management apparatus may further include a display unit for displaying at least one of the power information and the control status information on the power supply apparatus on a screen.

According to an embodiment, when the charging electric power charged in the battery is selected as the electric power source, the control unit may control the display unit to display the saving charge information on the saved electric charge on the screen.

2 is a configuration diagram showing a configuration of a demand management based load power management apparatus (including a configuration of a power supply apparatus) according to the embodiment disclosed herein.

Referring to FIG. 2, the demand management based load power management apparatus 100 according to an embodiment disclosed herein may include a control unit 110 and a communication unit 120.

In addition, according to one embodiment, the demand management based load power management apparatus 100 may further include a display unit 130.

In addition, according to one embodiment, the demand management based load power management apparatus 100 may further include an input unit 140.

In addition, the demand management based load power management apparatus 100 may further include various components for a power management function for a load terminal according to an embodiment disclosed herein.

2 are not essential, the demand management based load power management apparatus 100 having more or fewer components can be implemented.

Hereinafter, the components will be described in order.

However, the parts overlapping with those related to the demand management based load power management apparatus disclosed in the load power management system disclosed in FIG. 1 may be omitted. Hereinafter, in terms of the functions of the specified hardware components, The power management apparatus will be described in detail.

Referring to FIG. 2, the power supply apparatus 500 basically supplies power to the load terminal 400 based on an external commercial power supply 220Vac. It can serve as a supplier.

The power supply apparatus 500 may include a rectifier R10 and a first switch SW10 for supplying power through the external commercial power source 220Vac.

According to one embodiment, the power supply apparatus 500 can supply power to the load terminal 400 based on the charge power charged in the battery B10.

Also, according to one embodiment, the power supply apparatus 500 may charge the battery B10 via the external commercial power source.

The power supply apparatus 500 includes a rectifier R10, an inverter I10, a third switch SW30, a battery switch BW10, and a second switch SW10 for supplying power through the battery B10 or charging the battery via the external commercial power supply. A battery charger BC10, and the battery B10.

Specifically, the rectifier R10, the battery switch BW10, the inverter I10 and the battery charger BC10 charge the battery B10 and discharge (or supply power to the load terminal 400) Lt; / RTI >

According to one embodiment, the power supply apparatus 500 is connected to the external commercial power supply 220Vac based on a control signal of the demand management based load power management apparatus (for example, 'AC switch control' in FIG. 2) And the battery B10 to the load terminal 400 based on the selected one of the battery B10 and the battery B10.

The power supply 500 includes a plurality of switches (a first switch SW10 to a third switch SW30) for selecting any one of the battery B10 and the external commercial power supply 220Vac .

The plurality of switches SW10 to SW30 may be an AC switch for switching an AC signal.

The first switch SW10 and the second switch SW20 may be switching elements for selecting any one of the battery B10 and the external commercial power source 220Vac as a power source.

Specifically, the first switch SW10 may be a switch for bypassing the external commercial power source 220Vac, which is an AC power source.

For example, when the internal circuit of the power supply device is in trouble or the battery B10 is abnormal (for example, the voltage state of the battery B10 is unstable) Or when the remaining battery power is insufficient), or by bypassing the external commercial power source 220Vac.

The second switch SW20 bypasses the AC power converted by the inverter I10 by the DC power of the battery B10 so that the charging power charged in the battery B10 is selected as the power supply source It can play a role.

In addition, the third switch SW30 may serve to charge the battery B10 through the external commercial power source 220Vac.

For example, the third switch SW30 is turned on according to the control signal (the 'AC switch control' signal in FIG. 2) generated by the controller 110 so that the battery B10 To be charged.

According to one embodiment, the power supply apparatus 500 can measure the amount of power consumed by the load terminal 400.

To this end, the power supply 500 may include a watt-hour meter MO10.

Specifically, the watt hour meter MO10 can perform a function of checking the power consumption remotely and checking an overcurrent and the like.

Also, according to one embodiment, the power supply apparatus 500 may supply power to the load terminal 400 wirelessly.

To this end, the power supply 500 may include a wireless power transmitter W10.

Next, the components of the demand management based load power management apparatus 100 will be described in detail. The control unit 110 basically supplies power to the load terminal 400 to perform a power management function And may serve to control the power supply apparatus 500.

According to one embodiment, the control unit 110 selects one of the charging power charged in the battery and the external commercial power supply as a power supply based on the power information, and transmits the selected charging power to the load terminal 400 To control the power supply 500 to supply power to the power supply 500.

To this end, the controller 110 may generate the control signal (the 'AC switch control signal' in FIG. 2) to control the first switch SW10 to the third switch SW30.

The communication unit 120 can perform communication with an external device.

According to one embodiment, the communication unit 120 includes a first wired / wireless communication module 120_1 that performs communication with the load terminal 400, and a second wired / wireless communication module 120_1 that performs communication with the load power management server 200 Module 120_2.

The first wired / wireless communication module 120_1 may communicate with the load terminal 400 by wire or wireless, and may transmit time-based charge information and electricity charge information to the load terminal 400.

The second wired / wireless communication module 120_2 may communicate with the load power management server 200 via the wired / wireless network N100.

For example, the demand management based load power management apparatus 100 receives electricity charge information from the load power management server 200 through the second wired / wireless communication module 120_2 or status information on the switches SW10 to SW30 And may receive control information (e.g., a control signal for controlling the switch on-off state).

In addition, for example, the demand management based load power management apparatus 100 may control the load power management server 200 through the second wired / wireless communication module 120_2 so that the battery voltage state, the AC switch state (switch on- Off state) or billing information can be transmitted.

Basically, the display unit 130 may display information processed or generated by the control unit 110 or information obtained by the communication unit 120 on the screen.

Also, the display unit 130 may display a management screen for performing power management for the load terminal 400.

Also, the display unit 130 may display a UI (User Interface) or a GUI (Graphic User Interface) related to the function provided by the demand management based load power management apparatus 100.

Also, the display unit 130 may display the processing result of the control unit 110 on the screen S100.

According to one embodiment, the display unit 130 may display at least one of the power information, the battery status information, and the control status information on the power supply apparatus 500 on the screen.

Here, the power information may include at least one of abnormal state information, power usage peak information, and power charge information for the power system connected to the load terminal 400, as described above.

The battery status information may include information related to at least one of a battery remaining amount and a battery voltage status with respect to the battery B10.

The control status information for the power supply apparatus 500 may include information on the type of the power supply source (for example, whether the power supply source for the load terminal 400 is the battery B10 or the external commercial power supply 220Vac (For example, a power bill saving) or a control result for the power supply apparatus 500. [0060] The present invention is not limited to the above-described embodiments.

According to one embodiment, when the charging power charged in the battery is selected as the power supply source, the controller 110 controls the display unit 130 to display the saving- can do.

3 is an exemplary diagram illustrating information displayed on a screen by a demand management based load power management apparatus according to an embodiment disclosed herein.

3, when the battery B10 is selected as a power source for the load terminal 400 to save electric power, the display unit 130 displays a first area A100 on the screen S100, The control status information and the battery status information for the power supply apparatus 500 can be displayed.

For example, the display unit 130 displays information in the form of text in the first area A100 as "power source: battery "," power source selection basis: Can be displayed.

The display unit 130 may display the electricity bill saving information saved in the battery B10 as a power source for the load terminal 400 in the second area A200 on the screen S100 can do.

For example, the display unit 130 may display information such as "20% saving compared to the existing information" in a text format in the second area A200.

The display unit 130 may be a liquid crystal display, a thin film transistor-liquid crystal display, an organic light-emitting diode, a flexible display, a three-dimensional display (3D display).

In addition, there may be two or more display units 130 according to the embodiment of the demand management-based load power management apparatus 100. For example, the demand management based load power management apparatus 100 may include an external display unit (not shown) and an internal display unit (not shown) at the same time.

(Hereinafter, referred to as 'touch screen') having a mutual layer structure with the display unit 130 and a sensor (hereinafter, referred to as 'touch sensor' It can also be used as an input device in addition to the device. The touch sensor may have the form of, for example, a touch film, a touch sheet, a touch pad, or the like.

Referring again to FIG. 2, the input unit 140 may receive a user input for controlling the demand management based load power management apparatus 100.

The input unit 140 may generate input data for controlling the operation of the demand management based load power management apparatus 100 by the user.

The input unit 140 may include a key pad, a dome switch, a touch pad (static / static), a jog wheel, a jog switch, and the like. Particularly, when the touch pad has a mutual layer structure with the display unit 130, it can be called a touch screen.

According to one embodiment, the input unit 140 may receive (or receive) various user inputs as described above from a user.

For example, the input unit 140 may receive a control input related to power management of the load terminal 400, which is input on a management screen displayed by the display unit 130.

According to one embodiment, the demand management based load power management apparatus 100 can acquire billing information from the user bill settlement apparatus M100.

In this case, the demand management based load power management apparatus 100 may transmit the obtained payment information to the load power management server 200 through the second wired / wireless communication module 120_2.

Also, the demand management based load power management apparatus 100 may output the receipt through the receipt printer M200 when the receipt for the payment is received and the receipt is issued.

The work disclosed herein In the embodiment  Explanation of how to manage the load power according to

The load power management method according to an embodiment disclosed below may be implemented as a part or a combination of the configurations or steps included in the above-described embodiments, or a combination of the embodiments, The redundant portion can be omitted for a clear representation of the load power management method.

4 is a flow diagram illustrating a method for managing a load power in accordance with one embodiment disclosed herein.

Referring to FIG. 4, a method of managing a load power according to an embodiment disclosed herein may include the following steps.

First, at least one of the power information and the demand management request may be obtained from the load power management server (S110).

Next, at least one of the charging power charged in the battery and the external commercial power source may be selected as the power source based on at least one of the power information and the demand management request (S120).

Next, power may be supplied to the load terminal through the selected power source (S130).

Based on renewable energy Regenerative power source  The load power management device

Hereinafter, a load power management apparatus using a regenerative power generator based on renewable energy will be described in detail with reference to FIGS. 5 to 6. FIG.

A load power management apparatus using a regenerative power generation source based on regenerative energy according to an embodiment disclosed below may be implemented as a part or a combination of the configurations or steps included in the embodiments described above, Hereinafter, redundant portions may be omitted for the sake of clarity of the load power management apparatus using the regenerative power generator based on the regenerative energy according to the embodiment.

The demand management based load power management apparatus according to an embodiment disclosed herein includes a communication unit for acquiring power information by performing communication with a load power management server and a control unit for controlling a power supply device for supplying power to the load terminal Wherein the control unit selects either the charging power charged in the battery or the commercial power source external to the battery based on the obtained power information as a power source and supplies power to the load terminal through the selected power source The power supply can be controlled.

According to an exemplary embodiment, the external commercial power source may be at least one of a 220V AC commercial power source and a regenerative power source based on renewable energy.

Also, according to one embodiment, the renewable energy may be energy related to at least one of sunlight, tidal force, and wind force.

According to an embodiment, the external commercial power source is a 220V AC commercial power source, and the control unit generates a battery charging signal at a predetermined time or on the basis of the power information, And may be to charge the battery through an external power source in response to a signal.

According to an embodiment, the external power source may be a regenerative power generator based on renewable energy, and the regenerative energy may be energy associated with at least one of sunlight, tidal force, and wind power.

5 is an exemplary diagram illustrating a power supply and a battery charging method through a regenerative power generator according to an embodiment disclosed herein.

Referring to FIG. 5, an external commercial power source in accordance with the embodiments disclosed herein may be based on various power sources or energy sources.

The external commercial power source may be a 220V AC commercial power source as shown in FIG. 2, but may be a regenerative power generation source (or regenerative power generator, RG10) based on renewable energy as shown in FIG.

According to one embodiment, the regenerated energy may be energy associated with at least one of solar, tidal, and wind power.

5 includes at least one DC switch DW10 to DW30 for supplying power to the load terminal 400 via the regenerative power generator RG10 or for charging the battery B10. . ≪ / RTI >

In this case, the control unit 110 shown in FIG. 5 may generate a 'DC switch control' signal for controlling the at least one DC switch (the first DC switch DW10 to the third DC switch DW30) 5).

6 is an exemplary diagram illustrating a battery charging method through a regenerative power generator according to an embodiment disclosed herein.

6, the load power management apparatus 100 according to an exemplary embodiment of the present invention allows power to be supplied to the load terminal 400 through a 220 V AC commercial power source, RG10 of the power supply 500 ".

The power supply 500 '' disclosed in FIG. 6 may include a fourth DC switch DW40 for charging the battery B10 through the regenerative power generator RG10.

In this case, the control unit 110 shown in FIG. 6 supplies power to the load terminal 400 through the 220V AC commercial power source and a plurality of AC switches (not shown) for charging the battery B10 through the regeneration power source RG10 DC switch control signal " for controlling the at least one DC switch (battery switch: BW10 and fourth DC switch DW40) for controlling the " AC switch control signal " (See FIG. 6).

Briefly summarized above, the technology disclosed in this specification is based on the expectation that the demand and demand market will be expanded as the smart grid is activated, And to a demand management based load power management device that performs a demand management function by controlling the power supply device so as to flexibly change the charging power charged in the battery from the power supply.

Briefly, demand management can mean controlling the power supply to terminals (or load terminals) that use power with time-specific power rate information received from a power exchange or a KEPCO by a specific protocol have.

For example, a washing machine provided at home uses the electricity rate information by time zone, so that the washing machine can operate at nighttime without being operated because of a high electric power charge at the time of power peak or daytime.

According to one embodiment, the load power management server, which has received the electric power charge information (by time slot) obtained from the electric power company server 300 provided by the electric power company, transmits the load power management apparatus installed in the home, office, To transmit power charge information.

In this case, the demand management based load power management device can communicate with the load terminal to control the load terminal or the power supply device so that the power is consumed in the optimum power plan.

The power company server 300 may be a system operated by a power company. For example, the power company may be a Korean power company in Korea.

The load terminal may mean a broad concept terminal including various terminals using electricity such as a mobile phone, a washing machine, and audio.

Briefly describing the function of the demand management based load power management device, the demand management based load power management device may include a power meter remote meter reading (for example, remote meter reading through the watt hour meter MO10 shown in FIG. 2) For example, when the power system connected to the load terminal is in a non-ideal state (failure state or overload state), AC power is supplied to the load terminal based on the charge power charged in the battery when the power peak or power charge is high .

In addition, according to one embodiment, even when the mobile phone is charged outdoors or the like, it can be charged by wired / wireless via a wireless power transmitter (or wireless power transmission device).

According to one embodiment, the user can pay for the electricity price generated by the load terminal consuming power by the user payment device.

In addition, for the load management business, the user or the manager of the demand management based load power management apparatus controls the power supply device so that the battery is charged at night, and notifies the third party, Charging power can be sold at relatively high electricity rates.

According to the demand management based load power management apparatus and the load power management system and the load power management method including the demand management based load management system according to an embodiment disclosed herein, the abnormal state information, the power usage peak information, and the power There is an advantage that optimal demand management can be performed by supplying the charging terminal with the charging power charged in the battery as required based on the power information including the charging information (including the electricity rate information by the time slot).

The scope of the present invention is not limited to the embodiments disclosed herein, and the present invention can be modified, changed, or improved in various forms within the scope of the present invention and the claims.

100: demand management based load power management device 200: load power management server
300: Power company server 400: Load terminal
500: Power supply

Claims (9)

A communication unit for communicating with the load power management server to acquire power information; And
A load power management apparatus comprising a control unit for controlling a power supply apparatus that supplies power to a load terminal,
Wherein the control unit selects either the charging power charged in the battery or the commercial power source external to the battery based on the obtained power information as a power source and supplies power to the load terminal through the selected power source, Is controlled,
Wherein the controller selects the power source based on the battery status information acquired from the power supply,
The control unit may be configured to determine any one of the power information and the battery status information according to a predetermined priority order to avoid collision between the selection of the power source based on the power information and the selection of the power source based on the battery status information Selects the power supply source with priority,
Wherein the power information includes at least one of abnormal state information, power usage peak information, and power charge information for a power system connected to the load terminal,
Wherein the battery status information includes information related to at least one of a battery remaining amount and a battery voltage status for the battery,
Wherein the power supply device wirelessly supplies power to the load terminal through a wireless power transmitter,
Wherein the control unit generates a battery charging signal at a predetermined time or on the basis of the power information and the power supply unit charges the battery through the commercial power supply according to the battery charging signal,
The communication unit includes a first wired / wireless communication module for performing communication with the load terminal and a second wired / wireless communication module for performing communication with the load power management server,
Wherein the communication unit receives a demand response request from the load power management server and the control unit selects the charge power charged in the battery as the power supply source when the demand management request is received,
Wherein the load power management apparatus further includes a display unit for displaying at least one of the power information and the control status information on the power supply apparatus on a screen,
Wherein the external commercial power source is at least one of a 220V AC commercial power source and a regenerative power generation source based on renewable energy,
The external commercial power source is a 220V AC commercial power source,
The control unit generates a battery charging signal at a predetermined time or on the basis of the power information,
Wherein the power supply device charges the battery through an external power source according to the battery charging signal.
Load power management device. The apparatus of claim 1,
Determining whether the power system is in a non-ideal state based on the abnormal state information, selecting the charging power charged in the battery as the power source when the power system is in a non-ideal state,
Determining whether the power consumption of the power system has reached a peak value based on the power usage peak information and selecting the charging power charged in the battery as the power supply source when the power consumption reaches a peak value,
Determining whether the current power charge exceeds the reference power charge based on the power charge information and selecting the charge power charged in the battery as the power supply source when the current power charge exceeds the reference power charge; Power management device. 3. The apparatus of claim 2,
And selects the commercial power source as the power source when the remaining battery level is less than the reference value or the battery voltage condition is unstable. The method of claim 3,
The predetermined time is the night time zone,
The power information includes power charge information,
Wherein the control unit determines whether the current power charge is less than a predetermined charge power rate based on the power charge information and if the current power charge is less than the charge power charge, And controls the power supply to charge the load. 5. The apparatus of claim 4,
And transmits at least one of the power rate information by time to the load terminal and the power usage information consumed by the load terminal through the first wired / wireless communication module,
Transmitting at least one of battery status information on the battery and control status information on the power supply to the load power management server through the second wired / wireless communication module,
And transmits the payment information acquired from the user payment device to the load power management server through the second wired / wireless communication module. 6. The power management system according to claim 5,
And obtains at least one of the power information and the demand management request from a power company server. 7. The apparatus of claim 6,
When the charging power charged in the battery is selected as the power source,
And controls the display unit to display saving charge information on the saved electric charge on the screen. 8. The method of claim 7,
Solar, tidal, and wind power. 9. The method of claim 8,
It is a renewable energy source based on renewable energy,
The regenerated energy is,
Solar, tidal, and wind power.

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