KR101522175B1 - Smart grid system based on cloud system and smart metering method using this - Google Patents

Abstract

The present invention relates to a cloud-based smart grid system and a smart metering method using the smart grid system. The smart metering method collects power information by receiving meter reading data from one or more smart meters and one or more smart boxes distributed in a predetermined area, A distributed cloud server for controlling and managing boxes; And analyzing the power information held by the distributed cloud server in cooperation with a plurality of distributed cloud servers arranged for each region to provide the power information and the analysis result to the remote access terminal, And a central cloud server for controlling the smart meter or the smart box through a distributed cloud server that receives a control signal for the smart box and manages a smart meter or a smart box to be controlled. According to the present invention, a distributed cloud server is allocated to each group by classifying a plurality of smart meters and smart boxes distributed in each region according to an installed region, By de server provides information about electric power in conjunction with a distributed cloud server, the capacity of the server becomes huge, it is possible to solve a problem that the simultaneous load on the server increases.

Description

[0001] The present invention relates to a cloud-based smart grid system and a smart metering method using the smart grid system.

The present invention relates to a cloud-based smart grid system and a smart metering method using the smart grid system. More particularly, the present invention relates to a smart meter and a smart box, which are distributed and classified, The present invention relates to a cloud-based smart grid system for providing power information and controlling each device in cooperation with a distributed cloud server, and a smart metering method using the smart grid system.

The Smart Grid is a system that combines information technology with the existing unidirectional power grid that has been in the stage of power generation - transmission, distribution, and sales - to optimize energy efficiency by exchanging information in real time between power suppliers and consumers in both directions. Intelligent power grid '. The basic concept is that the entire power system operates efficiently as a whole through information sharing between power plants, power transmission and distribution facilities and power users through information and communication networks and sharing in both directions.

By utilizing this, the power supplier can adjust the supply amount flexibly by grasping the power usage status in real time, and the power user can grasp the power usage status in real time, thereby adjusting the usage time and usage amount avoiding the expensive time zone, It will also be able to sell home-produced electricity such as solar power, fuel cells, and electric energy from electric vehicles.

In addition, the Smart Grid, which is an intelligent power grid, operates as an automatic adjustment system, minimizing power outages by detecting failure factors in advance and switching to a distributed power system that is directly connected to various power suppliers and consumers, The use of renewable energy with irregular power generation increases. As the utilization of renewable energy increases, it will be possible to replace the thermal power plant and reduce the greenhouse gas and pollutant, which is expected to help greatly in solving environmental problems.

As such, the Smart Grid has many merits, and various projects are being carried out to build a next generation power grid in various countries in the world. Various devices applied to the Smart Grid are being developed.

A smart meter is a smart meter that is essential for real-time monitoring of power usage in a smart grid. Smart meters are equipped with the ability to measure usage by time zone and transmit the information, As an electronic watt-hour meter, it can check power usage in real-time compared to conventional power meter and enable bi-directional communication between power supplier and user so that power provider and user can pay for meter reading and energy saving.

1 shows a schematic configuration of a smart grid system according to the prior art.

The power consumption of each power consuming device is measured by the disposed smart meter 10, and the measured meter reading data is transmitted to a central server (not shown) of the power management center that integrally manages power consumption through the smart box 30 connected to the smart meter 10 50).

Here, the smart box 30 collects the meter reading data transmitted from the smart meter 10 and directly transmits the meter reading data to the central server 50 of the power management center, or stores and analyzes the collected meter reading data, Meter data and analysis information to the central server 50 of the power management center.

In addition, the smart box may be composed of a multi-layered network architecture composed of a lower layer smart box 30b, 30c and a higher layer smart box 30a. Further, the smart meter may be composed of lower layer smart meters 10b, 10c, And the smart meter 10a of the upper layer. The smart meter 10a of the upper layer acquires the meter reading data by measuring the power consumption and the meter reading data of the lower layer smart meters 10b and 10c And a multi-layered network architecture that performs the function of transmitting the data to the smart box 30d.

The Smart Grid system configured by the various network architectures is a system that distributes metering data information from the smart meters 10, 10a, 10b, and 10c distributed in the respective regions to smart boxes 30, 30a, 30b, 30c, and 30d to the central server 50 of the power management center, and as the data information from a number of smart meters is received and managed by one central server, the capacity of the server must be large, There is a problem in handling all the data because the simultaneous load increases.

In addition, in order to transmit and receive different types of meter reading data from different types of smart meters and smart boxes, it is necessary to construct a network network corresponding to each model and a platform and a server supporting the same, There is a problem in that it is not easy to carry out and a lot of additional costs are incurred accordingly.

In addition, technologies for providing power users and various power information related to power consumption through various types of terminals have been suggested by power users and administrators. In such conventional technologies, a consumer and an administrator may be a specific type of terminal, There is a restriction that the power information can be provided only to the terminal or the system can be accessed, and the power information provided from the power management center is limited according to the type of the terminal. Furthermore, it is not easy for the consumer or the manager to directly control the smart meter and the smart box through the terminal according to the given environment of the platform and the server.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems of the prior art, and it is an object of the present invention to provide a smart meter, And to solve the problem that simultaneous load on the server increases.

In addition, in order to transmit and receive different types of meter reading data from different types of smart meters and smart boxes, it is necessary to solve the hassle of establishing a network network corresponding to each model, a platform and a server supporting the same, And to solve the problem that a lot of additional cost is incurred by installing a separate platform and server.

In addition, the information provided from the power management center is limited according to the terminal type of the consumer, and a limitation is solved in the case where the consumer directly controls the smart meter and the smart box through the terminal according to the given environment of the platform and the server do.

In addition, the present invention intends to eliminate the time and space constraints associated with the provision of power information or access to the system only to a terminal to which a predetermined terminal or system is allowed access.

According to an aspect of the present invention, there is provided a smart meter, comprising: meter reading data received from at least one smart meter and at least one smart meter distributed in a predetermined area, collecting power information, and controlling and managing the smart meter and the smart box Distributed cloud server; And analyzing the power information held by the distributed cloud server in cooperation with a plurality of distributed cloud servers arranged for each region to provide the power information and the analysis result to the remote access terminal, And a central cloud server for controlling the smart meter or the smart box through a distributed cloud server that receives a control signal for the smart box and manages a smart meter or a smart box to be controlled. System.

Preferably, the distributed cloud server includes: a local meter manager for registering, controlling, and managing the smart meter and the smart box interlinked with the central cloud server; A local power information calculation unit for storing and analyzing power information including the meter reading data of the smart meter; And a local communication unit for transmitting and receiving data to and from the smart box and the central cloud server, and the central cloud server may classify the plurality of smart meters and a plurality of smart boxes into groups according to the installation area, A central meter management unit for assigning a distributed cloud server to each group and registering, controlling and managing the smart meter and the smart box in cooperation with the distributed cloud server; A central power information calculation unit for analyzing power information held by the distributed cloud server in cooperation with the distributed cloud server and providing the analyzed power information to the remote access terminal; And a central communication unit for transmitting and receiving data to and from the remote access terminal and the distributed cloud server.

Further, the central meta-management unit of the central cloud server obtains and stores unique information including an installation area of the smart meter and the smart box from the remote access terminal, and stores a group of regions including the installation area based on the unique information The smart meter and the smart box can be registered in association with the assigned distributed cloud server.

Preferably, the local power information calculating unit of the distributed cloud server is provided with status information on the operation from the smart meter and the smart box, and the area meter managing unit of the distributed cloud server calculates, based on the state information and the meter reading data, The center meter management unit of the central cloud server obtains and analyzes the error information from the distributed cloud server and transmits the error information and the error information to the remote access terminal, The analysis result can be transmitted.

More preferably, the central meta-management unit of the central cloud server receives a control signal for the operation of the smart meter or the smart box from the remote access terminal, and controls a group including a smart meter or a smart box Determines and selects a cloud server, and transmits the control signal to the selected distributed cloud server, and the regional meter manager of the selected distributed cloud server can control the smart meter or the smart box based on the control signal.

Further, the distributed cloud server may further include a charging data generating unit for generating charging data for power use based on the power information held by the local power information calculating unit, wherein the central cloud server includes: And a billing calculation unit for calculating a charge for use of electricity based on the billing data generated by the billing data generation unit and performing billing.

Preferably, the distributed cloud server and the central cloud server are virtual servers, and one or more distributed cloud servers of the plurality of distributed cloud servers are formed in the same virtual server, or the distributed cloud server and the central cloud server are the same May be formed in the virtual server.

Here, the remote access terminal may be an n-screen terminal.

According to another aspect of the present invention, there is provided a smart metering method using a cloud-based smart grid system, wherein a central cloud server classifies a plurality of smart meters and a plurality of smart boxes into regions, Assigning; Collecting, analyzing and storing power information including meter reading data from a smart meter included in a group for each region allocated to the distributed cloud server; And providing the power information of the distributed cloud server in association with the distributed cloud server by the central cloud server.

Wherein the step of allocating the distributed cloud server comprises the steps of: receiving and storing unique information including the installation area of the smart meter and the smart box from the remote access terminal, by the central cloud server; Classifying a plurality of smart meters and a plurality of smart boxes into groups according to the installation area and allocating a distributed cloud server to each group; And registering the smart meter and the smart box in cooperation with the central cloud server and the distributed cloud server.

Preferably, the unique information includes a product type and a data transmission / reception method for the smart meter and the smart box, and the step of registering the smart meter and the smart box includes: And setting the communication interface based on the product model of the meter and the smart box and the data transmission / reception method.

The step of collecting, analyzing and storing the power information further includes the steps of: the distributed cloud server acquiring and storing power information including the meter reading data of the smart meter; And the distributed cloud server analyzing usage patterns for each industry, industry, season, and time based on the power information, and storing power information including the analyzed results.

The step of providing the power information may include the step of, in response to the power information request from the remote access terminal, the central cloud server determining and selecting the distributed cloud server related to the power information request, ; Extracting power information related to the power information request from the power information held by the distributed cloud server according to the power information linking request and transmitting the extracted power information to the central cloud server; And providing the power information to the remote access terminal by the central cloud server.

Preferably, the step of collecting, analyzing and storing the power information comprises: receiving, by the distributed cloud server, status information on the operation from the smart meter and the smart box; Determining whether an error has occurred in the operation of the smart meter or the smart box based on the metering data and status information of the distributed cloud server; And transmitting, by the distributed cloud server, error information on the occurrence of the error to the central cloud server, wherein the central cloud server analyzes the error information about the error occurrence, And providing the analysis result to the remote access terminal.

Further comprising: receiving, by the central cloud server, a control signal of a smart meter or a smart box from a remote access terminal; Selecting and selecting a distributed cloud server to which a regional group including a smart box or a smart meter to be controlled is allocated, and transmitting the control signal to the selected distributed cloud server; Controlling the smart box or the smart meter based on the control signal to analyze the execution result of the selected distributed cloud server; The selected distributed cloud server transmitting the execution result to the central cloud server; And transmitting the execution result to the remote access terminal by the central cloud server.

The collecting, analyzing and storing the power information may include generating and analyzing billing data based on the collected power information of the distributed cloud server; And the distributed cloud server transmitting the billing data and analysis result to the central cloud server, wherein the providing of the power information is performed by the central cloud server, based on the billing data and the analysis result, Performing billing for use; And transmitting the billing information including the analysis result and the billing result to the remote access terminal by the central cloud server.

According to the present invention, a plurality of smart meters and smart boxes distributed in each region are classified into groups according to the installed regions, and a distributed cloud server is assigned to each group, and the central cloud server cooperates with the distributed cloud server, It is possible to solve the problem that the capacity of the server becomes large and the simultaneous load on the server becomes large.

In addition, each distributed cloud server manages smart meters and smart boxes in each region, so that smart meters and smart boxes are heterogeneous and can be adjusted through distributed cloud servers even if they differ in the format of meter reading data provided from them. It is possible to construct the entire smart grid system as an open distributed architecture.

That is, according to the present invention, a structure in which a plurality of distributed cloud servers and a central cloud server are interlocked with each other is provided to configure and manage a network according to each condition in order to control and manage each smart meter and smart box Eliminating the need to build platforms and servers, which reduces the cost of building and deploying smart grid systems.

Furthermore, the consumer and the manager access the central cloud server through their own remote access terminal, and the central cloud server performs various power information providing and device control functions in cooperation with the corresponding distributed cloud server, It is possible to provide the generated information effectively and the consumer and the administrator can perform various control functions for the corresponding device.

In particular, since the present invention is configured based on a cloud service, it is possible for a consumer or an administrator to access power information from a system through various kinds of n-screen terminals at a desired time and place, do.

Figure 1 shows a schematic diagram of a prior art Smart Grid system,
Figure 2 shows a schematic diagram of a cloud-based smart grid system according to the present invention,
3 shows a schematic configuration of a central cloud server in a cloud-based smart grid system according to the present invention,
4 shows a schematic configuration of a distributed cloud server in a cloud-based smart grid system according to the present invention,
Figure 5 shows a flow diagram of an embodiment for registering a smart meter and a smart box in a smart metering method according to the present invention,
Figure 6 shows a flow diagram of an embodiment of power information collection and provision in a smart metering method in accordance with the present invention,
7 shows a flowchart of an embodiment for providing error occurrence information of a smart meter or smart box in a smart metering method according to the present invention,
Figure 8 shows a flow diagram for an embodiment for controlling a smart meter and smart box in a smart metering method according to the present invention,
9 shows a flowchart of an embodiment of performing a charge based on power information in a smart metering method according to the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS The above and other objects, features and advantages of the present invention will become more apparent from the following detailed description of the present invention when taken in conjunction with the accompanying drawings.

First, the terminology used in the present application is used only to describe a specific embodiment, and is not intended to limit the present invention, and the singular expressions may include plural expressions unless the context clearly indicates otherwise. Also, in this application, the terms "comprise", "having", and the like are intended to specify that there are stated features, integers, steps, operations, elements, parts or combinations thereof, But do not preclude the presence or addition of features, numbers, steps, operations, components, parts, or combinations thereof.

In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.

The Smart Grid is a comprehensive energy management system for more efficient and efficient management and control of the entire process from production to consumption of electricity with the addition of intelligent capabilities to electricity-based power infrastructure, providing intelligent capabilities to the power infrastructure The present invention provides a cloud-based smart grid system and a smart metering method using the smart grid system, in which efficiency of a smart grid system is further enhanced while expanding the system easily. A plurality of smart meters and a plurality of smart boxes installed in the smart grid are classified into regional groups, and a distributed cloud server is allocated to each group. The central cloud server provides respective power information in cooperation with a distributed cloud server, Control the meter and smart box.

Figure 2 shows a schematic diagram of a cloud-based smart grid system in accordance with the present invention.

Referring to FIG. 2, the cloud-based smart grid system according to the present invention classifies the smart meters 10 and the smart boxes 30, which are roughly distributed in various regions, into groups for each region, A central cloud server 100 that processes power information and controls the smart meter 10 and the smart box 30 in cooperation with the distributed cloud servers 200a and 200b to be managed and the plurality of distributed cloud servers 200a and 200b .

Here, the smart meter 10 and the smart box 30 distributed in various regions can be configured with various types of multi-layered network architecture such as a bus configuration, a tree configuration and a mesh configuration, and the smart meter and the smart box are different from each other And may be different from each other in data transmission schemes including power information.

In the present invention, the smart meters 10 and the smart boxes 30 distributed by the central cloud server 100 are grouped by region according to the installation area, and the distributed cloud servers 200a and 200b The distributed cloud servers 200a and 200b of each corresponding region store and manage the power information of the smart meter 10 and periodically or when necessary the central cloud server 100 transmits the power information of the distributed cloud server 200a And 200b to transmit and receive power information held by the distributed cloud servers 200a and 200b.

The central cloud server 100 determines a distributed cloud server that manages a group including a smart meter and a smart box to be controlled among a plurality of distributed cloud servers 200a and 200b in controlling the smart meter and the smart box, And can control the smart meter and the smart box in conjunction with the selected distributed cloud server.

Here, the distributed cloud servers 200a and 200b of the corresponding region may be located in an area of an assigned group, but more preferably, a virtual server located in a different place than an assigned group, It can be a server.

The central cloud server 100 and the plurality of distributed cloud servers 200a and 200b may be connected to each other through various networks such as the Internet and preferably the central cloud server 100 and the distributed cloud servers 200a and 200b, May be located in the same place depending on the situation as a virtual server. Also, the smart box 30 to which the distributed cloud servers 200a and 200b and the smart meter 10 are connected may be connected through various networks such as the Internet, a power line communication network, and a mobile exclusive line.

The power supplier, the smart grid manager, and the electric power consumer can access the central cloud server 100 through various network through the remote access terminal 400 of the user, receive various power information, control the smart meter and the smart box Here, various terminals such as a mobile pad and a PDA may be applied to the remote access terminal 400 in addition to the PC 410 and the mobile phone 420. The smart grid system according to the present invention is preferably based on a cloud service, An n-screen terminal may be used.

As described above, according to the present invention, a plurality of smart meters and smart boxes distributed in each region are classified into groups according to regions, and a distributed cloud server is allocated to each group, so that a large amount of metering data is distributed by a plurality of distributed cloud servers And the central cloud server provides the power information in cooperation with the distributed cloud server, thereby solving the problem that the capacity of the server becomes large and the simultaneous load on the server becomes large.

In particular, since the present invention is configured based on a cloud service, it is possible for a consumer or an administrator to access power information from a system through various kinds of n-screen terminals at a desired time and place, do.

3 shows a schematic configuration of a central cloud server in a cloud-based smart grid system according to the present invention.

The central cloud server 100 includes a central communication unit 110, a centralized meter management unit 130 and a centralized power information calculation unit 150. Referring to FIG. 3, the central cloud server 100 includes a central cloud server 100, Let's take a look.

The central communication unit 110 is a communication interface for connecting the remote access terminal 400 or the distributed cloud server 200 to the central cloud server 100 and may be connected to various communication networks such as PLC communication, . ≪ / RTI >

The central meter management unit 130 acquires and stores unique information such as an installation area and a product model of the smart meter and the smart box, groups the smart meter and the smart box by region, and allocates the distributed cloud server 200 And performs registration, control, and management of the smart meter and the smart box in cooperation with the distributed cloud server 200.

In addition, the central meter management unit 130 analyzes the errors of the smart meters and the smart boxes in cooperation with the distributed cloud server 200, provides the error information to the remote access terminal 400, 400, the smart meter and the smart box can be controlled in cooperation with the distributed cloud server 200 to recover the error occurrence.

The central power information calculation unit 150 receives the power information stored in the distributed cloud server 200 periodically or when necessary, provides the power information to the remote access terminal 400, and further integrates the power information And provide the analyzed result to the remote access terminal 400.

Here, the central power information calculation unit 150 may provide power information for only one customer, but it may provide analysis results of power usage by region by integrating power information by region, It can also provide various analysis result information such as analysis result of power use by industry, analysis result of seasonal power use, power use pattern analysis result.

3, the central cloud server 100 may further include a billing calculation unit, and the billing calculation unit may calculate billing data based on the power information based billing data provided from the distributed cloud server 200, And provide billing information to the remote access terminal 400 of the corresponding consumer.

FIG. 4 shows a schematic configuration of a distributed cloud server in a cloud-based smart grid system according to the present invention.

The distributed cloud server 200 includes a local communication unit 210, a regional meter management unit 230 and a local power information calculation unit 250. Referring to FIG. 4, the distributed cloud server 200 .

The local communication unit 210 is a communication interface for connecting the smart box 30 or the central cloud server 100 and the distributed cloud server 200. Like the central communication unit 110, And the like can be connected to various communication networks.

Here, the plurality of distributed cloud servers 200 may be configured as one or a plurality of virtual servers. In this case, a plurality of distributed cloud servers located on one virtual server share one local communication unit 210, A communication interface can be constructed.

In addition, the central cloud server 100 and the distributed cloud server 200 may be configured as a single virtual server. In this case, the local communication unit 210 and the central communication unit 110 may be the same communication interface.

The area meter management unit 230 registers, manages and controls the smart meter 10 and the smart box 30 included in the group of the regions allocated to the distributed cloud server 200. The local meter management unit 230 registers the smart meter 10 and the smart box 30 in association with the central cloud server 100 The assigned smart meter and the smart box are registered and the smart meter and the smart box can be controlled according to the control signal from the central cloud server 100. [ The area meter management unit 230 sets each product model and data transmission / reception format based on the unique information about the smart meter 10 and smart box 30 at the time of registration of the smart meter 10 and the smart box 30 .

The local power information calculation unit 250 collects meter reading data from the smart meter 10 included in the group of the regions allocated to the distributed cloud server 200 to analyze and store the power information and store it periodically or when necessary And transmits the extracted power information to the central cloud server 100.

Here, the local power information calculating unit 250 may store the metering data provided from the smart meter and the power information for the metering data separately, or may analyze and store the power information for a predetermined group or region as a whole, , The type of industry, the season, the time frame, etc., and store the result.

The local power information calculation unit 250 receives and collects meter reading data and status information from the smart meter 10 and the smart box 30 and the area meter management unit 230 collects the meter reading data and the status information from the smart meter 30, (10) and the smart box (30), and transmits error information to the central cloud server (100) when an error occurs.

4, the distributed cloud server 200 may further include a billing data generation unit, which generates the billing data, and the billing data generation unit generates the billing data using the power collected from the smart meter 10 and the smart box 20, Analyzes and stores billing data based on the information, extracts corresponding billing data stored at the time of requesting billing information from the central cloud server 100, and provides the billing data to the central cloud server 100.

In the cloud-based smart grid system according to the present invention, the distributed cloud server manages the smart meters and the smart boxes in the respective regions, respectively, so that the smart meters and smart boxes are different types, It is possible to configure the entire Smart Grid system as an open distributed architecture because it can be adjusted through distributed cloud servers for different regions.

In addition, by presenting the structure in which a plurality of distributed cloud servers and a central cloud server are interlocked with each other, a network and a server for constructing and supporting the network are constructed in accordance with each condition in order to control and manage each smart meter and smart box This eliminates the need for a smart grid system, which reduces the cost of building and facilitates expansion of the system.

Hereinafter, a smart metering method using the cloud-based smart grid system according to the present invention will be described with reference to embodiments.

Figure 5 shows a flow diagram of an embodiment for registering a smart meter and smart box on a Smart Grid system in a smart metering method according to the present invention.

In order to register the smart meter and the smart box, the manager transmits unique information such as installation area, product type, and the like to the smart meter and the smart box to be registered using the remote access terminal 400 to the central cloud server 100 (S110) do.

The central meta-management unit 130 of the central cloud server 100 stores the transmitted unique information (S120), and groups a plurality of smart meters and smart boxes into regions based on the installed area information included in the unique information S130). In the case of a smart meter or a smart box newly registered in a state in which the group for each region is classified, the smart meter or the smart box is additionally included in the group of the predetermined region among the predetermined region groups based on the installation area information included in the unique information .

Then, the central meta-manager 130 of the central cloud server 100 selects the distributed cloud server 200 that manages each group, allocates the smart meter and the smart box of the corresponding group to the selected distributed cloud server 200 And in the case of a smart meter or a smart box to be newly registered, it is further allocated to the distributed cloud server 200 that manages the group.

When the distributed cloud server 200 of the regional group is selected by the central cloud server 100, the central cloud server 100 registers the smart meter and the smart box in cooperation with the distributed cloud server 200, The server 200 sets the product model, data transmission / reception format, and the like based on the unique information of the smart meter and the smart box.

The smart meter and the smart box are registered through the series of processes, so that the central cloud server 100 and the distributed cloud server 200 can recognize the smart meter and the smart box.

Figure 6 shows a flow diagram of an embodiment of power information collection and provision in a smart metering method in accordance with the present invention.

When the smart meter 10 transmits the meter reading data to the smart box 30 (S210), the smart box 30 collects the power information including the meter reading data (S220), and the power collected by the distributed cloud server 200 Information is transmitted (S240). At this time, the smart box 30 may transmit the collected power information by the power information request S230 of the distributed cloud server 200 or periodically, or may receive the meter reading data from the smart meter 10, And may transmit the power information to the cloud server 200. The transmission time point of the power information may be set to be variable depending on the situation of the system.

The local power information calculation unit 250 of the distributed cloud server 200 collects power information transmitted from the smart box 30, analyzes the power information, and stores the collected power information (S250).

When the central cloud server 100 receives a request for power information from the remote access terminal 400 such as an administrator or a customer in step S310, the central meta-manager 130 of the central cloud server 100 transmits the power information to the smart meter (S320) and determines an associated request (S330) to receive the power information from the related distributed cloud server (200). The controller (200) determines the group including the smart box and the associated distributed cloud server (200) .

The local power information calculation unit 250 of the related distributed cloud server 200 searches for the corresponding power information among the stored power information according to a request for interworking of the central cloud server 100 and extracts it, And transmits the power information to the central cloud server 100 (S350). Here, as described above, the power information provided from the distributed cloud server 200 may include a result of analyzing various usage patterns such as industry, industry, season, and time period.

The central power information calculation unit 150 of the central cloud server 100 transmits the power information transmitted from the related distributed cloud server 200 to the remote access terminal 400 in step S360, To provide a variety of power information to provide a variety of analysis results. As described above, as described above, the central power information calculation unit 150 of the central cloud server 100 integrates all the power information, and as a result of analyzing the power use according to each industry, Information on the usage pattern analysis result, and the like.

According to the smart information gathering and providing method in the smart metering method according to the present invention, the distributed cloud server distributes a huge amount of power information data, and when necessary, the central cloud server cooperates with the distributed cloud server to provide power information Accordingly, it is possible to solve the problem that the concentrated load is distributed and the capacity of the server becomes large, and furthermore, it is possible to provide more various and systematic power information.

7 shows a flowchart of an embodiment for providing error occurrence information of a smart meter or a smart box in a smart metering method according to the present invention.

Referring to FIG. 7, the smart meter 10 may periodically or in real time use a real-time smart meter (or smart meter) to provide error information of the smart meter or smart box using the cloud-based smart grid system according to the present invention, 10 to the smart box 30 in operation S410 and the smart box 30 collects the power information including the status information of the smart meter 10 and the status information of the smart meter 10 in operation S420, And transmits the power information to the distributed cloud server 200 (S430).

The local power information calculation unit 250 of the distributed cloud server 200 collects and stores the power information transmitted from the smart box 30 and the area meter management unit 230 of the distributed cloud server 200 transmits the power information And analyzes the included meter reading data and status information to analyze whether the smart meter 10 or the smart box 30 is operating normally. If it is determined that an error has occurred in the operation of the smart meter 10 or the smart box 30 in operation S440, the error information of the smart meter or the smart box is transmitted to the central cloud server 100 in operation S450.

The central meter management unit 130 of the central cloud server 100 analyzes the error occurrence status, the error content, and the recovery method of the corresponding smart meter or smart box according to the error information from the distributed cloud server 200 (S460) The error information and the analysis result are transmitted to the remote access terminal 400 of the administrator or the consumer (S470).

Thereafter, the central cloud server 100 may perform recovery for the corresponding smart meter or smart box in cooperation with the distributed cloud server 200 according to the error analysis result, The central cloud server 100 may perform recovery for the corresponding smart meter or smart box in cooperation with the corresponding distributed cloud server 200 based on the control signal transmitted from the remote access terminal 400, The control of the smart meter or the smart box according to the present invention will be described below with reference to the embodiments.

As described above, according to the smart metering method of the present invention, the manager or the consumer can recognize the operation state and error occurrence of the smart meter or the smart box without visiting the local area. Further, It is possible to recover from errors by restoring the errors themselves or by effectively controlling the smart meter or smart box remotely by the administrator or the consumer.

Figure 8 shows a flow diagram for an embodiment for controlling a smart meter and smart box in a smart metering method according to the present invention.

In the smart metering method according to the present invention, a smart meter and a smart box located at a remote place can be effectively controlled through a cloud-based smart grid system according to the present invention. For example, when an error shown in FIG. 7 occurs, The smart meter or the smart box can be remotely controlled through the remote access terminal, which will be described with reference to the embodiment of FIG.

The administrator or the consumer accesses the central cloud server 100 with the remote access terminal 400 owned by the manager or the consumer and sends the corresponding control signal to the central cloud server 100 (S510).

The central meter management unit 130 of the central cloud server 100 manages a group including the smart meter 10 or the smart box 30 to be controlled by the control signal in accordance with the transmission of the control signal of the remote access terminal 400 (S520) and then transmits the control signal to the selected target distributed cloud server 200 (S530).

The area meter management unit 230 of the distributed cloud server 200 transmits a control signal to the corresponding smart box 30 in accordance with the transmitted control signal in operation S540. If the control target is the smart box 30, The control of the smart box is executed (S550). If the control target is the smart meter 10, the smart box 30 transmits a control signal to the smart meter 10 so that control for the smart meter is executed (S550 )do.

The smart box 30 transmits the control execution result to the distributed cloud server 200 in step S560 and the area meter management unit 230 of the distributed cloud server 200 analyzes the control execution result in step S570, It is judged whether or not the control operation on the meter has been successfully executed.

Here, the control signals transmitted to the smart box or the smart meter and the smart box or the smart meter are operated according to the control signal are substantially managed by the area meter management unit 230 of the distributed cloud server 200, Box or smart meter and the operation result of the smart box or the smart meter according to the control signal indicates that the area meter management unit 230 of the distributed cloud server 200 determines that the signal transmission is performed according to the operation of the smart box or the smart meter It will be possible.

Through this process, the distributed cloud server 200 performs the operation control on the smart box 30 or the smart meter 10, analyzes the execution result, and transmits the analyzed result to the central cloud server 100 (S580) The cloud server 100 transmits the control execution result from the distributed cloud server 200 to the remote access terminal 400 (S590) and provides the result to the administrator or the user.

According to the present invention, the consumer and the manager connect to the central cloud server as their remote access terminal, and the central cloud server performs the device control function based on various power information in cooperation with the distributed cloud server, Various power information and error occurrence information can be effectively provided, and a user and an administrator can perform various control functions for the device.

9 shows a flowchart of an embodiment of performing a charge based on power information in a smart metering method according to the present invention.

As described above, the local power information calculation unit 250 of the distributed cloud server 200 that manages the smart meters and the smart boxes included in each regional group stores and holds the power information including the meter reading data of the smart meter , The billing data generation unit of the distributed cloud server 200 generates billing data by analyzing data for billing based on the power information held by the local power information calculation unit 250 (S610) and stores the generated billing data .

When the central cloud server 100 requests the billing information (S620), the billing data generating unit of the distributed cloud server 200 searches the billing data for the requested billing information among the held billing data (S630) And transmits it to the central cloud server 100 (S640).

The charge calculation unit of the central cloud server 100 calculates a usage fee and the like based on the billing information provided from the distributed cloud server 200 and performs the billing function for the corresponding user (S650). The billing information and the billing result are transmitted to the consumer Or a remote access terminal 400 such as a power supplier.

According to the present invention, various information on power usage is provided to a consumer or a power supplier, and at the same time, a charging function for power usage is performed, so that it is possible to provide information on the use of the integrated power to a consumer or a power supplier.

The foregoing description is merely illustrative of the technical idea of the present invention, and various changes and modifications may be made by those skilled in the art without departing from the essential characteristics of the present invention. Therefore, the embodiments of the present invention are not intended to limit the scope of the present invention but to limit the scope of the present invention. The scope of protection of the present invention should be construed according to the following claims, and all technical ideas within the scope of equivalents thereof should be construed as being included in the scope of the present invention.

10, 10a, 10b, 10c: smart meter,
30, 30a, 30b, 30c, 30d: Smart box,
50: central server of power management center,
100: central cloud server,
110: central communication unit, 130: central meter management unit,
150: central power information calculation unit,
200, 200a, 200b: distributed cloud server,
210: Regional Communication Department, 230: Regional Meter Management Division,
250: Local power information calculation unit,
400, 410, 420: remote access terminal.

Claims (16)

A distributed cloud server for receiving metering data from at least one smart meter and at least one smart box distributed in a predetermined area to collect and store power information, and to control and manage the smart meter and the smart box; And
The smart meter and the smart box are registered, controlled and managed in cooperation with the distributed cloud server by classifying the plurality of smart meters and the plurality of smart boxes into the groups according to regions and allocating the distributed cloud servers to the groups according to each region, , Analyzes the power information held by the distributed cloud server, provides the power information and analysis result to the remote access terminal, receives a control signal from the remote access terminal to the smart meter or the smart box, And a central cloud server for controlling the smart meter or the smart box through a distributed cloud server that manages a meter or a smart box. The method according to claim 1,
The distributed cloud server includes:
A regional meter manager for registering, controlling and managing the smart meter and the smart box distributed in a predetermined area in association with the central cloud server;
A local power information calculation unit for storing and analyzing power information including the meter reading data of the smart meter; And
And a local communication unit transmitting and receiving data to and from the smart box and the central cloud server,
The central cloud server comprises:
The smart meter and the smart box are registered, controlled and managed in association with the distributed cloud server by classifying the smart meter and the plurality of smart boxes into a group according to the area and allocating a distributed cloud server to each group according to each region. A central meter manager;
A central power information calculation unit for analyzing power information held by the distributed cloud server in cooperation with the distributed cloud server and providing the analyzed power information to the remote access terminal; And
And a central communication unit transmitting and receiving data to and from the remote access terminal and the distributed cloud server. 3. The method of claim 2,
The central meter management unit of the central cloud server,
Acquiring and storing unique information including an installation area of a smart meter and a smart box from the remote access terminal and controlling the smart meter and the smart box in cooperation with a distributed cloud server allocated with a regional group including the installation area based on the unique information, And a smart box is registered in the cloud-based smart grid system. 3. The method of claim 2,
Wherein the local power information calculation unit of the distributed cloud server comprises:
Receiving status information on the operation from the smart meter and the smart box,
The regional meter management unit of the distributed cloud server,
Generates error information by determining occurrence of an error in the smart meter or the smart box based on the status information and the meter reading data,
The central meter management unit of the central cloud server,
Acquires and analyzes the error information from the distributed cloud server, and transmits the error information and the analysis result to the remote access terminal. 3. The method of claim 2,
The central meter management unit of the central cloud server,
Selecting and selecting a distributed cloud server that manages a group for each region including a smart meter or a smart box for receiving and receiving a control signal for the operation of the smart meter or the smart box from the remote access terminal, Transmitting a control signal,
The local metric management unit of the selected distributed cloud server,
And controls the smart meter or the smart box based on the control signal. 3. The method of claim 2,
The distributed cloud server includes:
Further comprising a charging data generating unit for generating charging data for power use based on the power information held by the local power information calculating unit,
The central cloud server comprises:
And a billing calculation unit for calculating billing data based on billing data generated by the billing data generation unit in association with the distributed cloud server and performing billing. 7. The method according to any one of claims 1 to 6,
The distributed cloud server or the central cloud server may be formed on a virtual server,
One or more distributed cloud servers of the plurality of distributed cloud servers are formed in the same virtual server,
Wherein the distributed cloud server and the central cloud server are formed in the same virtual server. 7. The method according to any one of claims 1 to 6,
Wherein the remote access terminal comprises an n-screen terminal. A smart metering method using a cloud-based smart grid system,
Classifying the central cloud server into a group according to an area where a plurality of smart meters and a plurality of smart boxes are installed, and assigning a distributed cloud server to each group for each region;
Collecting, analyzing and storing power information including meter reading data from a smart meter included in a group for each region allocated to the distributed cloud server; And
And the central cloud server interacting with the distributed cloud server to provide power information held by the distributed cloud server,
Wherein the step of allocating the distributed cloud server comprises:
Receiving and storing unique information including the installation area of the smart meter and the smart box from the remote access terminal by the central cloud server;
Classifying a plurality of smart meters and a plurality of smart boxes into groups according to the installation area and allocating a distributed cloud server to each group; And
And registering the smart meter and the smart box in cooperation with the central cloud server and the distributed cloud server. delete 10. The method of claim 9,
Wherein the unique information includes a product type and a data transmission / reception method for the smart meter and the smart box,
Wherein the registering of the smart meter and the smart box comprises:
Further comprising setting the communication interface based on the product type and data transmission / reception method of the smart meter and the smart box, which are included in the unique information, by the distributed cloud server. 10. The method of claim 9,
The step of collecting, analyzing and storing the power information comprises:
The distributed cloud server acquiring and storing power information including meter reading data of the smart meter; And
And the distributed cloud server analyzing usage patterns according to industry, industry, season, and time based on the power information, and storing power information including the results. 10. The method of claim 9,
Wherein the providing of the power information comprises:
Selecting a distributed cloud server related to the power information request according to a request for power information from the remote access terminal, and requesting the selected distributed cloud server to interwork with the selected distributed cloud server;
Extracting power information related to the power information request from the power information held by the distributed cloud server according to the power information linking request and transmitting the extracted power information to the central cloud server; And
And the central cloud server providing the power information to the remote access terminal. 10. The method of claim 9,
The step of collecting, analyzing and storing the power information comprises:
Receiving the status information about the operation from the smart meter and the smart box by the distributed cloud server;
Determining whether an error has occurred in the operation of the smart meter or the smart box based on the metering data and status information of the distributed cloud server; And
Further comprising transmitting, by the distributed cloud server, error information on the error occurrence to the central cloud server,
Wherein the central cloud server analyzes the error information about the error occurrence and provides the error information and the analysis result of the error occurrence to the remote access terminal. 15. The method according to any one of claims 9 to 13,
Receiving a control signal of a smart meter or a smart box from the remote access terminal by the central cloud server;
Selecting and selecting a distributed cloud server to which a regional group including a smart box or a smart meter to be controlled is allocated, and transmitting the control signal to the selected distributed cloud server;
Controlling the smart box or the smart meter based on the control signal to analyze the execution result of the selected distributed cloud server;
The selected distributed cloud server transmitting the execution result to the central cloud server; And
Further comprising the step of the central cloud server transmitting the execution result to the remote access terminal. 15. The method according to any one of claims 9 to 13,
The step of collecting, analyzing and storing the power information comprises:
Generating and analyzing billing data based on the collected power information of the distributed cloud server; And
And the distributed cloud server transmitting the billing data and the analysis result to the central cloud server,
Wherein the providing of the power information comprises:
The central cloud server performing billing for power usage based on the billing data and analysis results; And
And transmitting the charging information including the analysis result and the charging result to the remote access terminal by the central cloud server.

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