KR101724684B1 - Remote meter reading system that supports a variety of communication interfaces at the same time - Google Patents

Remote meter reading system that supports a variety of communication interfaces at the same time Download PDF

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Publication number
KR101724684B1
KR101724684B1 KR1020150087533A KR20150087533A KR101724684B1 KR 101724684 B1 KR101724684 B1 KR 101724684B1 KR 1020150087533 A KR1020150087533 A KR 1020150087533A KR 20150087533 A KR20150087533 A KR 20150087533A KR 101724684 B1 KR101724684 B1 KR 101724684B1
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KR
South Korea
Prior art keywords
communication
unit
data
modems
meter reading
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KR1020150087533A
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Korean (ko)
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KR20160149826A (en
Inventor
김영억
박종태
김승균
Original Assignee
한전케이디엔주식회사
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    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C15/00—Arrangements characterised by the use of multiplexing for the transmission of a plurality of signals over a common path
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
    • G06Q50/10—Services
    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
    • G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link

Abstract

The remote meter reading system supporting the various communication interfaces of the present invention simultaneously includes a meter reading unit and a server for transmitting a plurality of data through various types of wireless networks and a wired network; And a data concentrator for receiving the data through a specified communication method or various communication methods, wherein the data concentrator is connected to a plurality of wired communication modems or wireless communication modems, The present invention provides a technology for identifying a modem having a highest gain among a plurality of wired communication modems or wireless communication modems and transmitting and receiving the meter reading data through a common interface module of the modem. .

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a remote meter reading system,

The present invention relates to a remote meter reading system for simultaneously supporting various communication interfaces, and more particularly, to a remote meter reading system for providing a hardware interface regardless of the form in which a plurality of wired communication modems or wireless communication modems are mounted on a target board, And a data concentrator for discriminating the modems having the highest gain among the wired communication modems or the wireless communication modems and transmitting and receiving the metering data through the common interface module of the determined modem. And a data transmission / reception ratio of the remote meter reading system.

Remote meter reading refers to the reading of meter reading data from a remote place without visiting the customer, such as electricity, gas, water meter, etc., and the remote meter reading system reads the indication of the meter located at the remote place and the detected information by the detector, Or automatically collected through a communication line using radio waves and analyzed by a computer.

Such an automatic meter reading system collects information by a telephone line, a power line, or a radio frequency system, and can connect with a computer program through a remote meter reading system to issue a bill and grasp a demand pattern.

However, in the conventional remote meter reading system, instead of using the method of transferring the meter reading data from the meter reading device to the upper system by using various wired / wireless communication methods, a communication method is specified and used Therefore, there is a problem in that data loss occurs when there is a failure in the designated communication line, which lowers the data transmission / reception rate.

Korean Patent Publication No. 10-2011-0071290

SUMMARY OF THE INVENTION The present invention is directed to a wireless communication system that provides a hardware interface regardless of the form in which a plurality of wired communication modems or wireless communication modems are mounted on a target board, And a data concentrator for transmitting and receiving the metering data through the common interface module of the identified modem. The present invention provides a data concentrator for preventing data loss and data transmission / And a communication interface to the remote meter reading system.

According to an aspect of the present invention, there is provided a remote meter reading system for simultaneously supporting various communication interfaces, including a meter reading unit and a server for transmitting a plurality of data through various types of wireless networks and a wired network; And a data concentrator for receiving the data through a specified communication method or various communication methods, wherein the data concentrator is connected to a plurality of wired communication modems or wireless communication modems, The present invention provides a technique for identifying a modem having a highest gain among a plurality of wired communication modems or wireless communication modems and transmitting and receiving the meter reading data through a common interface module of the modem.

The present invention has the technical effect of preventing data loss and improving data transmission / reception rate when transmitting data to an upper layer.

1 schematically shows an automatic meter reading system for simultaneously supporting various communication interfaces according to the present invention.
FIG. 2 illustrates a configuration of a data concentrator equipped with a hybrid modem that simultaneously supports various communication interfaces according to the present invention.
3A is a block diagram of a data concentrator in which a modular target board is mounted according to an embodiment of the present invention.
FIG. 3B is a block diagram of a data concentrator in which a slotted target board is mounted according to an embodiment of the present invention.
3C is a block diagram of an external target board mounted on a data concentrator according to an embodiment of the present invention.
FIG. 3D is a photograph according to an embodiment of the present invention, in which a data concentrator is equipped with a modular, slot-like and external target board.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

1 schematically shows an automatic meter reading system for simultaneously supporting various communication interfaces according to the present invention.

Referring to FIG. 1, the remote meter reading system supporting a variety of communication interfaces according to the present invention includes a meter reader 100, a data concentrator (DCU) 200, and a server 300.

The meter reading unit 100 of the lower stage measures the amount of electric power on the customer side and stores the meter reading data and transmits it through the various types of wireless networks 10 and the wired network 20, Collects the meter reading data transmitted by the meter reading device 100 and transmits the collected meter reading data to the server 300 of the upper stage through the wireless network 10 and the wired network 20 of various forms.

Here, the wireless network 10 provides a communication network for performing wireless communication, such as Zigbee, RF, Code Division Multiple Access (CDMA), WiFi, 3G, 4G, LTE, LTE- A, and a wireless broadband Internet are used.

The wired network 20 provides a communication network for performing wired communication, for example, a power line communication (PLC), RS-485, or Ethernet.

FIG. 2 illustrates a configuration of a data concentrator equipped with a hybrid modem that simultaneously supports various communication interfaces according to the present invention.

3, a data concentrator 200 equipped with a hybrid modem supporting various communication interfaces according to the present invention includes an integrated target board mounting unit 210, a wireless communication unit 220, a wired communication unit 230, A communication performance determination unit 240, a common interface module 250, a data storage unit 260, and a DCU control unit 270.

The integrated type target board mounting unit 210 provides a hardware interface regardless of the form in which modems that perform various types of wired / wireless communication methods are mounted on the target board. In this case, the target board may have a modular, slot- And a detailed description thereof will be described later with reference to FIGS. 3A to 3D.

The wireless communication unit 220 includes a first wireless communication modem 220-1 to an nth wireless communication modem 220-n using different wireless communications. For example, the first wireless communication modem 220-1 The Zigbee, nth wireless communication modem 220-n may use RF.

The wired communication unit 230 includes a first wired communication modem 230-1 to a nth wired communication modem 230-n using different wired communication, for example, a first wired communication modem 230-1 The power line communication (PLC) and the nth wired communication modem 230-n may use RS-485.

The communication performance determination unit 240 determines a network performance value for each of the wireless communication unit 220 and the wired communication unit 230 such as the RSSI, the packet delay IPTD, the packet delay variation IPDV, IPLR) and packet error rate (IPER), and calculates a communication performance average value for these values, thereby determining a modem having the largest value, that is, a communication modem having the highest gain.

Here, the average communication performance value is a value obtained by giving a communication performance value to each measurement item and then averaging the communication performance value for these items, and the larger the value is, the better the communication performance is.

For example, when the communication performance average value calculated by the communication performance determination unit 240 is in the order of the first wired communication modem 230-1, the first wireless communication modem 220-1, and the second wired communication modem 230-2 The first wireline communication modem 230-1, which is the most advantageous among various communication methods, can receive the meter reading data transmitted from the meter reading device 100, or transmit the meter reading data to the server that is the uppermost one.

The common interface module 250 is composed of one common module having an interface standard having the same pin size, size and form so that the common interface module 250 can integrate and process the wireless communication unit 220 and the wired communication unit 230.

The data storage unit 260 stores the metering data collected from the meter reading unit 100 and the data processed by the communication performance determining unit 240 and may use a nonvolatile memory such as a flash memory as a storage medium.

The DCU control unit 270 controls the integrated target board mounting unit 210, the wireless communication unit 220, the wired communication unit 230, the communication performance determination unit 240, the common interface module 250, and the data storage unit 260 do.

FIGS. 3A, 3B, and 3C are diagrams illustrating a configuration of a data concentrator in which a modular, slot-type, and external target boards are mounted, and FIG. In one embodiment, the data concentrator is shown with a modular, slotted and external target board mounted.

 In the case of a modular target board, as shown in FIG. 3A, the interface unit has a form in which the interface unit is plugged in the form of a board on the side of the modem board. In the case of a slotted target board, The interface unit is plugged in like a PCI card of the computer, and in the case of an external target board, as shown in FIG. 3C, the modem exists separately from the main board and the interface unit connects the modem and the main board through the connector .

As a result, although the present invention has different DCU structures for each manufacturer, the corresponding modems can be mounted and used in a modular, slot-type or external target board regardless of the mode in which they are used, In addition, data can be efficiently transmitted through various communication methods.

While the present invention has been described in connection with what is presently considered to be the most practical and preferred embodiment, it is to be understood that the invention is not limited to the disclosed embodiments. It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit of the invention.

10: wireless network 20: wired network
100: meter reading instrument
200: Data Concentrator (DCU)
210: Integrated target board mount
220:
220-1 to 220-n: first to nth wireless communication modems
230:
230-1 to 230-n: First to nth wired communication modems
240: communication performance discrimination unit
250: Common interface module
260: Data storage unit
270: DCU control unit
300: server

Claims (6)

A meter and a server for transmitting a plurality of data through various types of wireless networks and wired networks; And
And a data concentrator for receiving the data through a specified communication method or various communication methods,
The data concentrator includes:
A plurality of wired communication modems or wireless communication modems provide a hardware interface regardless of the form in which they are mounted on the target board,
A plurality of wired communication modems or modems having the highest gain among the wireless communication modems, transmitting and receiving meter reading data through the common interface module of the determined modem,
The data concentrator includes:
An integrated target board mounting unit for providing a hardware interface regardless of a form in which a plurality of wired communication modems or wireless communication modems are mounted on a target board;
A wireless communication unit including a plurality of wireless communication modems of various types;
A wired communication unit including a plurality of wired communication modems of various types;
A communication performance discrimination unit for discriminating a communication modem having the highest gain by checking the communication performance of the wireless communication unit and the wired communication unit;
A common interface module for commonly interfacing with the wireless communication unit and the wired communication unit;
A data storage unit for storing the meter reading data collected from the meter reading unit and the data processed by the communication performance determining unit; And
And a DCU control unit for controlling the integrated target board mounting unit, the wireless communication unit, the wired communication unit, the communication performance determination unit, the common interface module, and the data storage unit,
The target board includes:
It has a modular, slotted or external form,
The communication performance determination unit may determine,
After measuring the RSSI, the packet delay IPTD, the packet delay variation IPLV, the packet loss rate IPLR and the packet error rate IPER, the average value of the communication performance for the measured values has the largest value And a plurality of communication interfaces, each of which identifies a modem. delete delete delete 2. The method of claim 1,
A wireless broadband Internet, or a Zigbee, RF, Code Division Multiple Access (CDMA), WiFi, 3G, 4G, LTE, LTE-A, Remote meter reading system supporting various communication interfaces at the same time. The method of claim 1, wherein the wired communication modems include:
Wherein said at least one communication interface supports at least one of power line communication (PLC), RS-485, and Ethernet.
KR1020150087533A 2015-06-19 2015-06-19 Remote meter reading system that supports a variety of communication interfaces at the same time KR101724684B1 (en)

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Cited By (1)

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KR101997529B1 (en) 2018-08-07 2019-07-08 경상대학교 산학협력단 Intergrated Communication Device for Power Line Communication

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CN108091121A (en) * 2017-12-22 2018-05-29 西安烽火电子科技有限责任公司 A kind of Automatic meter reading system and its meter register method
CN108765913A (en) * 2018-07-02 2018-11-06 安徽赛沃电气科技股份有限公司 A kind of novel and multifunctional concentrator
KR102021311B1 (en) * 2019-02-14 2019-09-16 (주)대은 A Remote Monitoring device of photovoltaic generation based on an IoT
CN111127867A (en) * 2019-10-21 2020-05-08 国网浙江临海市供电有限公司 RS485 communication adapter for electricity consumption information acquisition system and control method
CN113160537A (en) * 2021-04-19 2021-07-23 石家庄科林电气股份有限公司 Micropower wireless network communication method based on biological fission algorithm

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KR20030054648A (en) * 2001-12-26 2003-07-02 삼성전기주식회사 Slot type regidential gateway
KR101636456B1 (en) 2009-12-21 2016-07-06 삼성전자주식회사 Apparatus and method for supporting sim card in multi modem mobile communication terminal
KR101264545B1 (en) * 2011-07-29 2013-05-14 한국전력공사 Advanced metering infrastructure system to gurantee reliable delivery of metering data and method for advanced metering infrastructure thereof

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Publication number Priority date Publication date Assignee Title
KR101997529B1 (en) 2018-08-07 2019-07-08 경상대학교 산학협력단 Intergrated Communication Device for Power Line Communication

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