KR20110001774A - Watt-hour meter and method for managing thereof in remote detection system - Google Patents

Abstract

PURPOSE: A watt-hour meter and a management method thereof are provided to effectively manage much information by using a device management module after applying a recognition code to a watt-hour meter management program. CONSTITUTION: A watt-hour meter(10) comprises a device management module(11) and a memory part(12). The device management module receives a management message from a watt-hour meter management server. The device management module analyzes the management message. The device management module selects a watt-hour meter management program corresponding to the management message in a predetermined watt-hour meter management program. The memory part transmits a signal, which controls the watt-hour meter, to a hardware based on the selected watt-hour meter management program.

Description

Power meter in remote meter reading system and its management method {WATT-HOUR METER AND METHOD FOR MANAGING THEREOF IN REMOTE DETECTION SYSTEM}

The present invention relates to a power meter and a management method thereof in a remote meter reading system.

Recently, due to the development of IT technology, the meter reading system, which measures the power consumption of customers through existing manpower, is evolving into a remote meter reading system based on wired and wireless communication technology.

In the existing remote metering system, the basic role of the electricity meter was to measure the power consumption of the customer and deliver it to the electricity meter management server. The utility is preparing to provide various additional services and plans using the electricity meter.

In order to provide such a function, the electricity meter has recently evolved as an intelligent electricity meter, and the information that needs to be managed has increased more rapidly than before.

The present invention is to provide a power meter that can effectively manage a variety of information in the remote meter reading system.

In addition, the present invention provides a method for effectively managing various information used in the electricity meter of a remote meter reading system.

The electricity meter of the present invention receives a management message from the electricity meter management server, analyzes the management message, and selects a device management module (Device Management Module) and a selected electricity meter management program for selecting a electricity meter management program corresponding to the management message from a previously stored electricity meter management program. It characterized in that it comprises a memory unit for transmitting a signal for controlling the electricity meter based on the hardware.

Here, the device management module may analyze the management message using header information included in the management message.

In addition, the device management module may be selected using an identification code (management object) assigned to each of the electricity meter management program.

In addition, the electricity meter management program includes a program for controlling the firmware update, and when the program for controlling the firmware update is selected in the device management module, the device management module determines whether the service required for the firmware update is driven and whether the memory is secured. The memory unit may download a firmware package.

In addition, the electricity meter program includes a program for controlling software update. When the program for controlling the software update is selected in the device management module, the device management module determines whether to drive a service required for software update and to secure memory. After checking, the memory unit may download the software library and the package.

As another aspect of the present invention, the electricity meter management method of the present invention includes a receiving step of receiving a management message from the meter management server, an analysis step of analyzing the management message, and a power meter management program corresponding to the management message in the pre-stored power meter management program. And a control step of controlling the electricity meter based on the selection step of selecting and the selected electricity meter management program.

Here, the analyzing step may analyze the management message using the header information included in the management message.

And, the selection step can be selected using the identification code respectively given to the electricity meter management program.

In addition, the electricity meter management program includes a program for controlling the firmware update. When the program for controlling the firmware update is selected in the selecting step, the controlling step includes checking whether the service required for the firmware update is driven and whether the memory is secured. Confirmation step; And downloading the firmware package.

In addition, the electricity meter program includes a program for controlling the update of the software. When the program for controlling the software update is selected in the selecting step, the controlling step includes checking whether the service required for the software update is driven and whether the memory is secured. Confirmation step; And downloading the software library and the package.

According to the electricity meter or the management method of the present invention, by assigning each identification code to the electricity meter management program, and managing it through the device management module, it is possible to effectively manage a variety of information in the remote meter reading system.

In addition, when a bug and meter policy change, communication protocol modification and supplementation of the electricity meter occurs, it can be performed remotely automatically without replacing the electricity meter itself, thereby reducing installation cost and improving the efficiency of electricity meter operation.

In addition, this can reduce system operating costs.

In addition, by managing a process that is frequently performed, and taking appropriate action when an update or correction change occurs, it is easier and easier to provide various metering policies and plans, and to solve a meter bug problem.

For example, the electricity meter used so far performs only the function of the program stored when it is first installed, but a simple fee system is applied. However, the present invention allows the application software to be easily added, installed, and deleted in the future. In addition to being able to apply tariffs such as time of usage (TOU) and real time pricing (RTP), it can also serve as an intelligent electricity meter.

Hereinafter, exemplary embodiments will be described in detail with reference to the accompanying drawings.

1 is a schematic diagram of a remote meter reading system to which the present invention is applied.

The remote meter reading system includes a power meter 10, a low voltage line 20, a power line communication collecting device 30, a public communication network 40, and a power meter management server 50.

The electricity meter 10 provides various services related to power. This will be described later.

The power line communication collecting device 30 receives data from the electricity meter 10 through the low voltage line 20, modulates and amplifies the data, and transmits the data to the electricity meter management server 50 using the public communication network 40.

The public communication network 40 may be an International Mobile Telecommunication 2000 (IMT-2000) network, a Code Division Multiple Access (CDMA) network, a Wideband Code Division Multiple Access (WCDMA) network, or a Global System for Mobile communication (GSM) network. The public communication network 40 may be wired or wireless. That is, the public communication network 40 means all communication networks capable of transmitting and receiving data between the power line communication collecting device 30 and the electricity meter management server 40.

Hereinafter, a detailed configuration of the wattmeter 10 will be described with reference to FIGS. 1 to 3.

2 is a functional block diagram showing the configuration of the electricity meter of the present invention. 3 is a classification of the electricity meter management program by the identification code in the present invention.

The electricity meter 10 includes a device management module 11, a memory unit 12, a firmware update module 13, a software management module 14, middleware 15, and hardware 16.

The memory unit 12 stores the electricity meter management program and controls the electricity meter 10 using the electricity meter.

As shown in FIG. 3, the memory unit 12 stores various nodes. The node includes a DM Acc node 31 for authentication when communicating with the electricity meter management server 50 and the electricity meter 10, a firmware version of the DevInfo node 32 and the electricity meter 10 for basic information of the electricity meter 10, and software. There is a DevDetail node 33 for detailed information of a terminal such as a version, a hardware version, a terminal type, and the like.

In addition, an EVT node 34 and a performance node 35 capable of identifying an abnormally operating terminal state by monitoring a terminal quality on a network for providing stable service and monitoring CPU / memory / network usage over a set threshold for a long time. And after monitoring and diagnosing the state of the electricity meter 10, when the failure and abnormal operation of the electricity meter 10 is grasped, there is a control management node (35), etc. to remotely proceed to the appropriate control.

The control management node 36 may also need a function of killing an unnecessary processor after querying a process when the terminal wears out a battery quickly for no reason, and also provides a function of executing a process for a specific function. The software node 38, which is provided to the electricity meter 10 to manage the software in the event of a new service or an abnormality, provides functions for downloading, installing, and remote updating firmware and software.

In addition, if a manufacturer adds a function not mentioned above, a manufacturer node (not shown) for this may exist.

The node has a unique identification code assigned to it.

The electricity meter 10 performs various functions according to the node shown in FIG. 3.

The device management module 11 then performs effective data processing and node management between the nodes.

The device management module 11 collects the electricity meter 10 information or performs management functions received from the electricity meter management server 50, and analyzes commands of the management server to deliver necessary management functions to each node or process. To perform.

The device management module 11 monitors the functions of each of the electricity meters 10 in order to effectively perform maintenance and repair of the electricity meter 10, performs appropriate operations when an event occurs, and simultaneously displays status information on the electricity meter management server 50. Communicate with

When the device management module 11 wants to change the configuration information of the electricity meter 10 using the communication network, the information of the internal electricity meter 10 is changed through an entity defined based on a predefined protocol, and the changed result is managed by the electricity meter. Performs a function of transmitting to the server 10.

The firmware update module 12 is hardware for updating firmware, and the software management module 14 is hardware for managing software.

The device management module 11, the memory unit 12, the firmware update module 12, and the software management module 14 transmit and receive data through the middleware 15. The middleware 15 is software that connects applications so that they can exchange data with each other.

Hardware 16 such as a communication interface and a power supply device provided in the electricity meter 10 are controlled by a electricity meter management program stored in the memory unit 12.

The electricity meter 10 receives a management message from the electricity meter management server 50 and analyzes it, and selects a electricity meter management program corresponding to the management message from a previously stored electricity meter management program. The memory unit 12 controls the hardware 16 by transmitting a signal for controlling the electricity meter to the hardware based on the selected electricity meter management program.

Here, the device management module 11 may analyze the management message using the header information included in the management message.

In addition, the electricity meter management program includes a program for controlling the firmware update, and when the program for controlling the firmware update is selected in the device management module 11, the device management module 11 may determine whether the service required for the firmware update is driven and After confirming whether the memory is secured, the memory unit 12 downloads the firmware package.

In addition, the electricity meter management program includes a program for controlling the update of the software, and when the device management module 11 selects a program for controlling the software update, the device management module 11 may drive a service required for software update. And whether the memory is secured and the memory unit 12 downloads the software library and the package.

Hereinafter, the operation of the electricity meter having the configuration as described above will be described.

4 is an operation flowchart of the electricity meter of the present invention.

4 shows a process in which the electricity meter 10 is controlled using the electricity meter management program and the device management module 11.

First, the device management module 11 receives a management message from the electricity meter management server 50 (S41). The electricity meter management server 50 transmits a management message according to the public communication network 40 standard, and the power line communication collecting device 30 receives this. The power line communication collecting device 30 modulates a signal related to a management message and transmits the signal to the power meter 10.

Next, the device management module 11 analyzes the management message (S42). The electricity meter 20 may analyze the management message using header information included in the management message.

Then, the device management module 11 selects a power meter management program corresponding to the management message from the pre-stored power meter management program (S43). Each meter management program has its own unique identification code. Therefore, the electricity meter management program is selected using the identification code.

Next, the memory unit 12 controls the electricity meter based on the selected electricity meter management program (S44). Each electricity meter management program has control information about a service provided by the electricity meter 10. Accordingly, the memory unit 40 storing the electricity meter management program transmits a control signal to the hardware 16 to control the service.

5 is a flowchart illustrating an operation of a power meter according to a first embodiment of the present invention.

The first embodiment shows a process in which the firmware stored in the memory unit 12 is updated.

First, the device management module 11 receives a management message from the electricity meter management server (S51).

Then, the device management module 11 analyzes the management message (S52).

Here, the device management module 11 analyzes the management message using the header information included in the management message.

Next, the device management module 11 selects a program for controlling the firmware update from the pre-stored electricity meter management program (S53).

Here, the electricity meter management program is selected using an identification code assigned to each of the electricity meter management programs.

Next, the device management module 11 checks whether the service required for the firmware update is driven and whether the memory is secured (S54).

Next, the memory unit 12 downloads the firmware package (S55).

Next, the memory unit 12 installs the downloaded firmware (S56).

Next, the electricity meter 10 is rebooted (S57).

Then, the device management module 11 is notified whether the update is successful (S58).

Then, whether the update is successful is notified to the electricity meter management server 50 (S59).

6 is a flowchart illustrating an operation of a power meter according to a second embodiment of the present invention.

The second embodiment shows a process in which software stored in the memory unit 12 is updated.

First, a management message is received from the electricity meter management server (S61).

The device management module 11 then analyzes the management message (S62).

Here, the management message is analyzed using the header information included in the management message.

Then, the device management module 11 selects a program for controlling the software update from the pre-stored electricity meter management program (S63).

Next, the device management module 11 checks whether the service required for updating the software is running and whether the memory is secured (S64).

Next, the memory unit 12 downloads the software library and the package (S65).

Next, the memory unit 12 installs the downloaded software (S66).

Then, the device management module 11 is notified whether the installation is successful (S67).

Then, whether the installation is successful or not is notified to the electricity meter management server 50 (S68).

It is apparent to those skilled in the art that the present invention is not limited to the above embodiments and can be practiced in various ways without departing from the technical spirit of the present invention. It is.

1 is a schematic diagram of a remote meter reading system to which the present invention is applied.

2 is a functional block diagram showing the configuration of the electricity meter of the present invention.

3 is a classification of the electricity meter management program by the identification code in the present invention.

4 is an operation flowchart of the electricity meter of the present invention.

5 is a flowchart illustrating an operation of a power meter according to a first embodiment of the present invention.

6 is a flowchart illustrating an operation of a power meter according to a second embodiment of the present invention.

<Explanation of symbols for the main parts of the drawings>

10: power meter

11: device management module

12: memory

13: firmware update module

14: software management module

15: middleware

16: hardware

20: self-pressure line

30: power line communication collecting device

40: public communication network

50: electricity meter management server

Claims (10)

Receiving step of receiving a management message from the electricity meter management server; An analyzing step of analyzing the management message; Selecting a power meter management program corresponding to the management message from a previously stored power meter management program; And And a control step of controlling the electricity meter based on the selected electricity meter management program. The method of claim 1, The analyzing step is a power meter management method characterized in that for analyzing the management message using the header information included in the management message. The method of claim 1, The step of selecting the electricity meter management method, characterized in that for selecting using the identification code assigned to each of the electricity meter management program. The method of claim 1, The electricity meter management program includes a program for controlling a firmware update, If a program for controlling the firmware update is selected in the selecting step, The control step, A checking step of checking whether a service necessary for firmware update is driven and whether memory is secured; And A power meter management method comprising downloading a firmware package. The method of claim 1, The electricity meter program includes a program for controlling an update of software, If a program for controlling the software update is selected in the selecting step, The control step, A confirmation step of confirming whether a service required for software update is driven and whether memory is secured; And A power meter management method comprising the down step of downloading a software library and a package. A device management module for receiving a management message from a watt-hour meter management server, analyzing the management message, and selecting a watt-hour meter management program corresponding to the management message from a pre-stored watt-hour meter management program; And And a memory unit for transmitting a signal for controlling the electricity meter to hardware based on the selected electricity meter management program. The method of claim 6, The device management module is a power meter, characterized in that for analyzing the management message using the header information included in the management message. The method of claim 6, And the device management module selects using the identification codes assigned to the electricity meter management programs, respectively. The method of claim 6, The electricity meter management program includes a program for controlling a firmware update, When the program for controlling the firmware update is selected in the device management module, The device management module checks whether a service required for firmware update is driven and whether memory is secured. The memory unit is a power meter, characterized in that for downloading a firmware package. The method of claim 6, The electricity meter program includes a program for controlling an update of software, When the program for controlling the software update is selected in the device management module, The device management module checks whether a service required for software update is driven and whether memory is secured. The memory unit downloads a software library and a package.

Images