KR20090032411A - Power management system for providing multiple power service policy reflecting power consumption of house in real-time - Google Patents

Abstract

A power management system for providing multiple power service policy reflecting power consumption of house in real-time is provided to enable a consumer to select and receive a power service policy, which is proper to power consumption pattern, from a power company by providing multiple power service policy reflecting power consumption of house to a consumer in real-time. Relay severs(300A,300B,300C) collects the information about the power consumption of consumers. An integrated management sever(500) provides the consumers with a power service policy linked with the power consumption of the consumers, and executes the power service policy by receiving the information about the power consumption of the consumers from the relay sever. A home management sever selects the power service policy, which is applied to the consumers, among power service policies provided from the integrated sever, and executes the selected power service policy.

Description

Power management system that provides various power service policies in real time in conjunction with consumer power consumption {Power management system for providing multiple power service policy reflecting power consumption of house in real-time}

The present invention relates to a system for managing power supplied to a customer, and more specifically, to monitor the power consumption of the customer in a more effective way to manage the power supplied to the customer with various power service policies in connection with the monitored power consumption It relates to a management system.

Consumers who receive power from power companies, such as homes and factories, receive power from the power companies according to the power supply contracts with the power companies. The utility company visits the meter reader directly to the customer to read the power consumption of the customer, or receives information about the power consumption of the customer at regular intervals from the electricity meter installed in each customer. The utility company charges electricity based on the power consumed by the read customer. The utility company typically supplies electricity to the customer in accordance with the initial power supply contract with the customer and charges the electricity according to the consumer's power consumption.

In countries where energy resources are scarce, such as Korea, maximum power management and remote control centered on consumers who consume a lot of power in order to reduce the power consumption of consumers or to flexibly adjust the power consumption of consumers according to the power supply situation of the power company. Various power service policies such as air conditioning and autonomous power saving are being implemented. Maximum power management is a system that saves electricity charges by installing a power monitoring control device in a customer and setting a target power in accordance with the agreement with the customer. to be. Remote control is a policy that controls the power consumption of the consumer by allowing the power supply to the customer to be controlled remotely according to the power supply situation of the utility company. Autonomous power saving is a system that provides discounts on electricity rates if the customer does not exceed the target power due to autonomous power saving according to the prior agreement between the customer and the utility company.

However, the various power service policies described above will only provide benefits such as phase-out of power to consumers, or discounts on electricity savings, based on initial power supply agreements between utilities and consumers. Therefore, in consideration of power supply and demand that changes according to season and time, that is, in connection with power supply and power consumption, various power service policies are provided to customers in real time, and among the various power service policies provided, Accordingly, there is a problem in that it is difficult for a user to select and use a power service policy suitable for a consumer.

Accordingly, an object of the present invention is to provide a power management system that can provide a variety of power service policies to consumers in real time in connection with the power supply and power consumption, and to manage the power supplied to the customers with the power service policy selected by the customer. It is about.

Another object of the present invention is to provide an apparatus capable of managing power supplied to a customer by a power service policy selected by a user among the provided power service policies and provided with various power service policies of a power company.

The power management system according to the present invention provides a relay server that collects information on the power consumption of the consumer, a power service policy linked to the power consumption of the consumer to the customer, and periodically receives information on the power consumption of the customer from the relay server. An integrated management server that executes the power service policy provided by the customer, and a home management server that selects a power service policy applied to the customer among the power service policies provided from the integrated management server and executes the selected power service policy in the customer.

Preferably, the integrated management server and home management server is characterized in that it is configured as a platform of the OSGi (Open Service Gateway Initiative) standard.

The power management apparatus according to the present invention receives a power service policy associated with a power consumption of a consumer and attempts to use the power service policy selected by a user among the received power service policies among the home management server and the received power service policy. And a display for displaying a user interface for inputting a user command for selecting a power service policy and information on power service policy or information on power consumption of a consumer.

First, the power management system according to the present invention provides a variety of power service policies to consumers in connection with hourly and seasonally changing power consumption, and the customer selects the most suitable power service policy according to the power consumption pattern to supply power from the power company. I can receive it.

Second, the power management system according to the present invention can provide a power service policy to the consumer by using the power line communication, thereby providing a variety of power service policy to all the customers installed the power line.

Third, since the integrated management server and home management server of the power management system according to the present invention are operated as a platform of the OSGi standard, no additional hardware is required to implement a new power service policy, and various power service policies can be easily executed in real time. Can be.

Fourth, the power management system according to the present invention allows the user to continuously monitor the power consumption of the consumer, the user can intentionally consume power in accordance with the selected power service policy.

Hereinafter, a power management system according to the present invention will be described in detail with reference to the accompanying drawings.

1 is a functional block diagram illustrating a power management system according to an embodiment of the present invention.

Referring to FIG. 1, each of the customer groups 100A, 100B, and 100C, each of which is composed of a plurality of customers 10, is connected to the relay servers 300A, 300B, and 300C through power lines 200A, 200B, and 200C. . The relay servers 300A, 300B, and 300C are connected to the integrated management server 500 through the network 400. The network 400 may be a wired or wireless communication network such as a hybrid fiber coaxial (HFC) communication network or a CDMA communication network. Other kinds of communication networks may be applied depending on the field to which the present invention is applied, which is within the scope of the present invention. Meanwhile, the integrated management server 500 is connected to a power company server (not shown) through the network 400.

The customer 10 is provided with a electricity meter (not shown), and the power consumed by the consumer is metered for the electricity meter. The power consumption metered from the plurality of consumers 10 belonging to each of the consumer groups 100A, 100B, and 100C is connected to each consumer group (Power Line Communication (PLC)) through the power lines 200A, 200B, and 200C. It is transmitted to the relay servers 300A, 300B, and 300C connected to 100A, 100B, and 100C.

The power line communication (PLC) is a method of communicating through a power line embedded in a consumer, such as a home or a factory. The transmitting side converts the communication signal into a high frequency signal of 100 KHz to 300 KHz and separates it using a high frequency filter. To receive the signal. Power line communication is a technology that enables home automation and remote automatic control at low cost by using a wide range of installed power lines. Currently, power lines are spread in all households, and it is evaluated to constitute the widest network among existing infrastructures. . Recently, the necessity and importance of power line communication has been highlighted, and accordingly, a lot of research and investment in power line communication has been continued.

The relay servers 300A, 300B, and 300C store information on the power consumption of the consumers received from each of the customer groups 100A, 100B, and 100C, and store information on the power consumption stored at regular intervals. Send to the integrated management server 500 through. The electricity meter installed in the customer 10 transmits an identifier for distinguishing the customer to the relay servers 300A, 300B, and 300C together with information on the power consumption of the customer, and integrated management with the relay servers 300A, 300B, and 300C. The server 500 classifies power consumption of each customer based on the identifier.

The integrated management server 500 calculates the total sum of power consumption of the customers received from the relay servers 300A, 300B, and 300C, and transmits the sum to the server of the power company. The utility company establishes various power service policies in connection with the power consumption of the customer based on the sum of the power consumptions received from the integrated management server 500, and separately executes a program for executing each of the established power service policies. Install). Here, the power service policy is based on the sum of the consumers' power consumption, and determines a "prediction of how much power consumption will increase in the future" and "how much electricity will be supplied to the customer?" It is a policy to impose.

While electricity supply produces a certain amount of time every hour and supplies it to customers, power consumption varies greatly from time to time. At dawn or in the morning, the consumer consumes less power than in the afternoon or in the evening. In addition, consumers consume less power in spring and autumn than in summer and winter.

Therefore, the electricity price for the time or season when the power consumption of the consumer is low is set cheaper than the electricity price for the time or season when the power consumption of the customer is high, and is supplied to the customer. In this way, the electricity charges are flexibly differently set in connection with the power consumption of the consumer, and the supply and consumption of the power can be harmonized. As the power consumption is high and low, the power service policy of differently setting power rates and supplying them to customers is one example of various power service policies, and various power service policies may be used according to the field to which the present invention is applied.

The integrated management server 500 transmits information on various power service policies to the relay servers 300A, 300B, and 300C through the network 400, and the home management server 20 installed in the customer 10 Information on various power service policies is received through the power lines 200A, 200B, and 200C. A user who consumes power in the customer 10 reviews the information on the received power service policy and selects and uses the power service policy that is most suitable for the power consumption pattern of the customer 10.

2 is a functional block diagram illustrating a power management device installed in each customer, corresponding to an embodiment of the present invention.

Referring to FIG. 2, the power management apparatus according to an embodiment of the present invention measures power consumption of each of a plurality of power loads disposed in the customer 10 together with the home management server 30 described above. The power measurement unit 20, a user interface 40 for inputting a user command for selecting a power service policy, and display various information for allowing a user to select a power service policy and monitor power consumption patterns of the consumer 10. The display unit 50 is included.

The power measuring unit 20 may be installed in all the power loads disposed in the customer 10 or may be installed only in some power loads that consume a lot of power in the customer 10. The power measuring unit 20 measures the power consumed by the power load and transmits the power to the home management server 30, and the home management server 30 receives information on various power service policies provided by the integrated management server 500. Display on the display unit 50. A user who consumes power in the customer 10 may review information on various displayed power service policies and refer to the measured power consumption of the power load to select a power service policy that best fits the consumption pattern of the customer 10. The user command is entered via the user interface 40. When the power service policy is selected according to the input user command, the home management server 30 receives a service bundle for performing the selected power service policy from the integrated management server 500 and installs it on the home management server 30. .

The customer 10 receives power from the power company with the selected power service policy according to the control of the received service bundle, and a fee for the consumed power is charged according to the selected power service policy. The user of the customer 10 may continuously monitor the power consumption of the power load received by the power measurement unit 20 through the display unit 50 and based on the power load consumption power and the power service policy selected by the user. The power consumption of the customer 10 can be planned.

4 to 6 illustrate an example of a platform of an integrated management server, a relay server, and a home management server according to the present invention. Platforms for integrated management servers, relay servers, and home management servers follow the Open Service Gateway Initiative (OSGi) standard.

The OSGi standard is a home network platform standard produced by the OSGi Alliance to overcome compatibility problems between platforms due to a mixture of various home network platforms.

The OSGi Alliance proposed a platform that operates between the Internet network and the home network to support various existing home networking protocols. In May 2000, a standard for its implementation was proposed. It aims to provide dynamic services for small memory devices using Java's platform independence and network mobility of executable code.

Referring to FIG. 4, an example of an integrated management server according to the present invention is a framework for managing and executing a unit of a minimum service unit called a bundle and a bundle, and a bundle and a framework to communicate with each other. It consists of an interface. The integrated management server includes a remote metering bundle for remotely reading the power consumption of the customer, a service information bundle providing information on the various power service policies provided by the integrated management server to the home management server, and a power service policy by executing the power service policy. There are a number of service bundles 1 to 3 for controlling the power supplied.

Referring to Figure 5, an example of the relay server according to the present invention is to remotely read the power consumption of the customer and the remote meter bundle, the remote meter reading bundle for periodically transmitting information about the power consumption of the customer to the integrated management server It has a framework that manages and runs, and an interface that allows remote metering bundles and frameworks to communicate with each other.

Referring to FIG. 6, an example of a home management server according to the present invention includes a plurality of bundles, a framework for managing and executing bundles, and an interface for allowing the bundle and the framework to communicate with each other. The bundles of the home management server are service bundles (service bundle 1 and service bundle 2) that provide the power service policy selected by the user of the user among the plurality of power service policies provided by the integrated management server, and the integrated management server provides Service information bundle to provide users with information about multiple power service policies, user interface bundles for selecting a power service policy or for inputting user commands for providing information about power service policies or information about power consumption of consumers Equipped with.

4 to 6 illustrate an example of an integrated management server, a relay server, and a home management server according to the present invention. The integrated management server, the relay server, and the home management server according to the field to which the present invention is applied are various bundles. Can be configured.

3 is a flowchart illustrating a signal transmitted and received in a power management system according to an embodiment of the present invention.

Referring to FIG. 3, the integrated management server transmits information messages regarding a plurality of power service policies to a home management server installed at a customer through a relay server. The home management server provides information about a plurality of power service policies received from the integrated management server to the user of the customer through the display unit. The user of the consumer inputs a user command for selecting a desired power service policy among the plurality of power service policies to the home management server through the user interface. A selection message for requesting the integrated management server for the service bundle that executes the selected power service policy among the plurality of power service policies according to the input user command is transmitted to the integrated management server through the relay server. Preferably, the information message and the selection message are transmitted and received through the power line in the relay server and the home management server.

Based on the selection message received from the home management server, the integrated management server sends a service bundle to the home management server for executing the power service policy selected by the customer. In the present invention, since the service bundle transmitted from the integrated management server to the home management server is prepared according to the OSGi standard, the integrated management server and the home management server are servers having a framework for executing a service bundle according to the OSGi standard. According to the power service policy, the service bundle for executing the new power service policy can be installed and executed on the integrated management server and the home management server without any additional hardware.

The electricity meter installed in the customer reads the amount of power consumed by the customer and transmits information on the power consumption of the customer to the integrated management server through the relay server. The integrated management server and the home management server control the power supplied to the customer or calculate the cost of the power supplied to the customer based on the power consumption of the read customer. The service bundle installed in the home management server calculates the real-time consumption information on the power consumed by the consumer and the power cost of the power service policy selected by the consumer, and provides the user with the consumer.

Although the present invention has been described with reference to the embodiments shown in the drawings, this is merely exemplary, and it will be understood by those skilled in the art that various modifications and equivalent other embodiments are possible. Therefore, the true technical protection scope of the present invention will be defined by the technical spirit of the appended claims.

1 is a functional block diagram illustrating a power management system according to an embodiment of the present invention.

2 is a functional block diagram illustrating a power management device installed in each customer, corresponding to an embodiment of the present invention.

3 is a flowchart illustrating a signal transmitted and received in a power management system according to an embodiment of the present invention.

4 illustrates an example of a platform of an integrated management server according to the present invention.

5 illustrates an example of a platform of a relay server according to the present invention.

6 illustrates an example of a platform of a home management server according to the present invention.

Description of the main parts of the drawing

10: customer 20: home management server

30: power measurement unit 40: user interface

50: display unit 200: power line

300: relay server 400: wired / wireless network

500: Integrated Management Server

Claims (9)

In the system for managing the power consumption of the consumer, A relay server collecting information on power consumption of the customer; An integrated management server that provides a power service policy associated with power consumption of the customer to the customer, and periodically receives information on the power consumption of the customer from the relay server and executes the power service policy provided to the customer; And And a home management server that selects a power service policy applied to the customer from among the power service policies provided from the integrated server, and executes the selected power service policy in the customer. The method of claim 2, The integrated management server and the home management server is configured as a platform of the OSGi (Open Service Gateway Initiative) standard. The system of claim 2, wherein the power management system is The power management system further comprises a power meter for transmitting information on the power consumption of the consumer to the relay server by power line communication. The method of claim 2, wherein the integrated management server A remote reading bundle that periodically receives information on the power consumption from the relay server and calculates power consumption of the customer; A service information bundle for providing information about the power service policy to the customer; And And a service bundle to enforce the power service policy. The method of claim 2, wherein the home management server A service information bundle receiving information on the power service policy provided from the integrated management server and providing the information to the user of the customer; A service bundle executing a power service policy selected by a user of the customer among a plurality of power service policies provided from the integrated management server; And And a user interface bundle for inputting a user command for selecting the power service policy, providing information about the power service policy, and providing information about power consumption of the consumer. A home management server that receives a power service policy associated with power consumption of a customer and executes a power service policy selected by a user among the received power service policies in the customer; A user interface for inputting a user command for selecting a power service policy to be used among the received power service policies; And And a display unit which displays information on the power service policy or information on power consumption of the customer. The method of claim 6, wherein the home management server Power management device operated by the OSGi standard platform. The method of claim 7, wherein the home management server A service bundle executing a power service policy selected by the input user command among the received power service policies; A service information bundle for receiving information on the power service policy and providing the same to a user; And And a user interface bundle for inputting a user command for selecting the power service policy, providing information on the power service policy, and providing information on power consumption of the consumer. The apparatus of claim 7, wherein the power management device And a power measuring unit configured to measure power consumed by the customer and transmit the measured power consumption to the home management server through power line communication.

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