KR970029238A - Central control device and method of remote meter reading system - Google Patents

Central control device and method of remote meter reading system Download PDF

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Publication number
KR970029238A
KR970029238A KR1019950040875A KR19950040875A KR970029238A KR 970029238 A KR970029238 A KR 970029238A KR 1019950040875 A KR1019950040875 A KR 1019950040875A KR 19950040875 A KR19950040875 A KR 19950040875A KR 970029238 A KR970029238 A KR 970029238A
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KR
South Korea
Prior art keywords
meter reading
power line
unit
serial
communication unit
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KR1019950040875A
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Korean (ko)
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KR0167188B1 (en
Inventor
김희선
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이종수
Lg 산전 주식회사
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Priority to KR1019950040875A priority Critical patent/KR0167188B1/en
Publication of KR970029238A publication Critical patent/KR970029238A/en
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Publication of KR0167188B1 publication Critical patent/KR0167188B1/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
    • H04M11/002—Telephonic communication systems specially adapted for combination with other electrical systems with telemetering systems
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D4/00—Tariff metering apparatus
    • G01D4/002—Remote reading of utility meters
    • G01D4/004—Remote reading of utility meters to a fixed location
    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C19/00—Electric signal transmission systems
    • G08C19/16—Electric signal transmission systems in which transmission is by pulses
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02B90/20—Smart grids as enabling technology in buildings sector
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/30—Smart metering, e.g. specially adapted for remote reading

Abstract

본 발명은 각 수용가에 설치되어 있는 전기미터, 가스미터, 수도미터, 온수미터, 열량계와 같은 각종 계량기에 적산된 값을 원격지에서 검침하는 기술에 관한 것으로, 종래의 원격검침 시스템에 있어서는 기존의 전화선을 통신선로로 사용하기 때문에 설치가 용이하다는 장점은 있으나 시스템 확장시 교환기 정합장치가 대형화되고, 검침을 수행할때마다 각 수용가에 전화를 걸어 가입자 정합장치를 가동시켜야 하므로 그만큼 검침속도가 느리고, 수용가에서 전화를 사용할때 검침을 할 수 없는 등의 결함이 있었는 바, 본 발명은 이를 해결하기 위하여, 고압 전력선을 통해 입력되는 고전압을 상용전압으로 변환하여 단상 전력선(150)을 통해 수용가측으로 출력하는 변압기(110)와, 검침 컴퓨터(140)의 제어를 받아 상기 단상 전력선(150)을 통해 댁내제어장치(130)와 직렬/모뎀통신을 수행하면서 그 댁내제어장치(130)에 검침데이타 송출명령을 하달하고 그로부터 입력되는 검침데이타를 자체의 램에 저장하는 중앙제어국(120)을 이용하여 댁내제어장치(130)에서 출력되는 검침정보를 언제든지 원하는 시점에서 빠른 속도로 확인할 수 있도록 하였다.The present invention relates to a technology for remotely reading a value accumulated in various meters such as an electric meter, a gas meter, a water meter, a hot water meter, and a calorimeter installed in each customer, and in a conventional remote metering system, a conventional telephone line It is easy to install because it is used as a communication line, but when the system is expanded, the exchange matching device is enlarged and the metering speed is slow and the customer must be operated each time the subscriber matching device is operated by calling each customer. In order to solve this problem, in order to solve the problem, the present invention converts a high voltage input through a high voltage power line into a commercial voltage and outputs it to a consumer through a single phase power line 150. 110 and an indoor control station via the single-phase power line 150 under the control of the meter reading computer 140. The indoor control device using the central control station 120 to issue the meter reading data transmission command to the indoor control device 130 while performing serial / modem communication with the 130 and storing the reading data input therefrom in its own RAM. The meter reading information output at 130 can be checked at a high speed at any time.

Description

원격검침 시스템의 중앙제어 장치 및 방법Central control device and method of remote meter reading system

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

제2도는 본 발명 원격검침 시스템의 중앙 제어장치에 대한 전체 블록도.2 is an overall block diagram of a central control device of the present invention remote meter reading system.

Claims (7)

검침 컴퓨터(140)로부터 검침명령등 소정의 작업수행 명령을 수신하여 중앙제어부(122)에 전달하고 이에대한 응답신호 및 데이타를 그 검침 컴퓨터(140)에 전송하는 직렬/모뎀통신부(121)와, 상기 직렬/모뎀통신부(121)를 통해 입력되는 명령 및 데이타를 직렬데이타로 변환하여 전력선 통신부(123)측으로 출력하고, 그 전력선 통신부(123)를 통해 검침데이타를 수신하여 저장한 후 원하는 시점에서 상기 직렬/모뎀통신부(121)를 통해 상기 검침 컴퓨터(140)측으로 출력하는 중앙제어부(122)와, 상기 중앙제어부(122)로부터 입력되는 직렬신호를 단상 전력선(150)을 통해 댁내 제어장치(130)에 전송하는데 적합하도록 주파수변조함과 아울러 적정 수준으로 증폭하여 단상 전력선(150)측으로 출력하고, 그 단상 전력선(150)을 통해 수신되는 신호를 복조처리하여 상기 중앙제어부(122)측으로 출력하는 전력선 통신부(123)를 포함하여 구성된 것을 특징으로 하는 원격검침 시스템의 중앙제어 장치.A serial / modem communication unit 121 which receives a predetermined task execution command such as a meter reading command from the meter reading computer 140 and transmits it to the central control unit 122 and transmits a response signal and data thereto to the meter reading computer 140; The command and data input through the serial / modem communication unit 121 are converted into serial data and output to the power line communication unit 123, and after reading and storing the meter reading data through the power line communication unit 123, The indoor control unit 130 outputs the serial signal input from the central control unit 122 and the central control unit 122 to the meter reading computer 140 through the serial / modem communication unit 121 through the single-phase power line 150. Frequency modulation and amplification to an appropriate level to be suitable for transmission to the single-phase power line 150, demodulating the signal received through the single-phase power line 150 to the centralized Central control device of the remote meter reading system comprising a power line communication unit for outputting to the fisherman (122). 제1항에 있어서, 상기 직렬/모뎀통신부(121)를 통해 상기 중앙제어부(122)와 직렬/모뎀통신을 수행하면서 수용가의 주소, 검침 일자 및 시각을 출력하고, 검침데이타를 공급받는 검침 컴퓨터(140)를 더 포함하여 구성한 것을 특징으로 하는 원격검침 시스템의 중앙제어 장치.According to claim 1, The serial / modem communication unit 121 through the serial / modem communication via the serial / modem communication unit 121 outputs the address, the meter reading date and time of the customer, the meter reading computer receiving the reading data ( Central control device of a remote meter reading system, characterized in that it further comprises a 140). 제1항에 있어서, 중앙제어부(122)는 상기 직렬/모뎀통신부(121)를 통해 상기 검침 컴퓨터(140)로부터 명령 및 데이타를 수신하여 전력선 통신부(123)측으로 전송하고, 그 전력선 통신부(123)로부터 입력되는 데이타를 수신하여 상기 직렬/모뎀통신부(121)측으로 전송하며, 상기 댁내 제어장치(130)와의 통신을 위해 시스템 각부를 총괄제어하는 중앙처리장치(221)와, 상기 중앙처리장치(221)의 제어하에 동기/비동기 송수신기(223), 롬(224) 및 램(225)을 인에이블시키는 디코더(222)와, 상기 댁내 제어장치(130)로의 데이타 전송시 병렬데이타를 직렬데이타로 변환하고, 상기 전력선 통신부(123)를 통해 상기 댁내 제어장치(130)로부터 입력되는 데이타를 검출하여 상기 중앙처리장치(221)에 인터럽트신호를 출력하는 동기/비동기 송수신기(223)와, 시스템의 모든 동작을 제어하는 프로그램이 탑재된 롬(224)과, 데이타의 송수신시 필요한 소정의 데이타를 저장하는 램(225)으로 구성한 것을 특징으로 하는 원격검침 시스템의 중앙제어 장치.According to claim 1, Central control unit 122 receives the command and data from the meter computer 140 through the serial / modem communication unit 121 and transmits to the power line communication unit 123 side, the power line communication unit 123 Receives the data input from the serial / modem communication unit 121, and transmits to the central processing unit 221, the central processing unit 221 for overall control of the system for communication with the indoor control unit 130, and the central processing unit 221 A decoder 222 that enables the synchronous / asynchronous transceiver 223, the ROM 224, and the RAM 225 under the control of the same, and converts the parallel data into serial data during data transmission to the indoor controller 130. And a synchronous / asynchronous transceiver 223 for detecting data input from the premises controller 130 through the power line communication unit 123 and outputting an interrupt signal to the central processing unit 221. Under control The central controller of the remote meter reading system, characterized in that the programmed ROM is installed (224), configured as a RAM 225 which stores predetermined data necessary for transmission and reception of data. 제1항에 있어서, 전력선 통신부(123)는 상기 중앙제어부(122)로부터 입력되는 직렬신호를 단상 전력선(150)을 통해 전송하는데 적합하도록 소정의 주파수로 주파수변조하여 출력하고, 전력선 접속부(232)로부터 입력되는 FSK신호를 복조함과 아울러 디지탈 직렬신호로 변환하여 직렬통신을 위한 클럭신호와 함께 상기 중앙제어부(122)측으로 출력하는 FSK모뎀(231)과, 상기 FSK모뎀(231)과 트랜스포머부(233)간에 송수신되는 신호를 소정의 수준으로 증폭하는 전력선 접속부(232)와, 상기 전력선 접속부(232)로부터 입력되는 신호를 단상 전력선(150)측으로 송출하고, 그 단상 전력선(150)을 통해 댁내 제어장치(130)로부터 입력되는 검침신호를 추출하는 트랜스포머부(233)로 구성한 것을 특징으로 하는 원격검침 시스템의 중앙제어 장치.The power line communication unit 123 of claim 1, wherein the power line communication unit 123 performs frequency modulation on a predetermined frequency and outputs the serial signal input from the central control unit 122 through the single-phase power line 150. The FSK modem 231 demodulates the FSK signal inputted from the digital signal and converts the digital signal into a digital serial signal and outputs the clock signal for serial communication to the central control unit 122. The FSK modem 231 and the transformer unit ( A power line connection unit 232 for amplifying a signal transmitted / received between the terminals 233 to a predetermined level, and a signal input from the power line connection unit 232 is sent to the single-phase power line 150 and controlled in-house through the single-phase power line 150. Central control device of the remote meter reading system, characterized in that consisting of a transformer unit 233 for extracting the metering signal input from the device (130). 제4항에 있어서, 전력선 접속부(232)는 댁내 제어장치(130)측으로 데이타 송신시 중앙제어부(122)의 제어를 받아 전력증폭기(232B)에 구동전원을 공급하는 전원스위치(232A)와, FSK모뎀(231)의 출력신호를 적정수준으로 증폭하여 트랜스포머부(233)측으로 출력하는 전력증폭기(232B)와, 상기 트랜스포머부(233) 로부터 입력되는 신호를 적정 수준으로 증폭하는 수신단 증폭기(232D)와, 상기 증폭기(232D)의 출력신호를 공급받아 상기 FSK모뎀(234)이 수신 가능한 수준으로 억제하는 리미터회로(232E)로 구성한 것을 특징으로 하는 원격검침 시스템의 중앙제어 장치.The power line connection unit 232 of claim 4, wherein the power line connection unit 232 is controlled by the central control unit 122 and transmits driving power to the power amplifier 232B during data transmission to the indoor control unit 130, and the FSK. A power amplifier 232B for amplifying the output signal of the modem 231 to an appropriate level and outputting the signal to the transformer unit 233, and a receiver amplifier 232D for amplifying the signal input from the transformer unit 233 to an appropriate level; And a limiter circuit (232E) configured to receive an output signal from the amplifier (232D) and suppress the FSK modem (234) to a level receivable. 상위의 검침 컴퓨터(140)로부터 검침명령이 입력될때 시스템을 송신모드로 설정한 후 그 검침명령을 동기/비동기송수신기(223) 및 그 전력선 통신부(123), 단상 전력선(150)을 통해 댁내제어장치(130)측으로 전송하는 검침명령 전송과정과, 시스템을 수신모드로 절환한 후 상기 검침명령 전송경로를 통해 상기 댁내제어장치(l30)측으로부터 검침정보를 수신하여 자체의 램에 저장함과 아울러 필요시 그 저장된 검침정보를 상기 검침 컴퓨터(140)측으로 전송하는 검침정보 수신과정으로 이루어지는 것을 특징으로 하는 원격검침 시스템의 중앙 제어 방법.When the meter reading command is input from the upper meter reading computer 140, the system is set to a transmission mode, and the meter reading command is set to the home control device through the synchronous / asynchronous transmitter / receiver 223, the power line communication unit 123, and the single-phase power line 150. After receiving the meter reading command transmitted to the 130 and switching the system to the receiving mode, the meter reading information is received from the premises control device l30 through the metering command transmission path and stored in its own RAM. The central control method of the remote meter reading system comprising the step of receiving the meter reading information for transmitting the stored meter reading information to the meter reading computer (140) side. 제6항에 있어서, 검침정보 수신과정은 기 설정된 검침일시를 확인하여 설정된 시점에 도달될때 다수의 댁내제어장치를 순차적으로 선택하면서 그들로부터 검침정보를 수신하여 자체의 램에 저장하는 단계를 더 포함하여 이루어지는 것을 특징으로 하는 원격검침 시스템의 중앙제어 방법.The method of claim 6, wherein the receiving of the meter reading information further comprises a step of checking a preset meter reading date and receiving a meter reading information therefrom while sequentially selecting a plurality of indoor control devices when the set point is reached, and storing the meter reading information therein. Central control method of the remote meter reading system, characterized in that made. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950040875A 1995-11-11 1995-11-11 Central process device of remote inspection of a meter system and method thereof KR0167188B1 (en)

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KR1019950040875A KR0167188B1 (en) 1995-11-11 1995-11-11 Central process device of remote inspection of a meter system and method thereof

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KR1019950040875A KR0167188B1 (en) 1995-11-11 1995-11-11 Central process device of remote inspection of a meter system and method thereof

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KR0167188B1 KR0167188B1 (en) 1999-03-20

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002013406A1 (en) * 2000-08-04 2002-02-14 Exscoms Ltd. Communication system and communication method using power lines
KR20020089093A (en) * 2001-05-23 2002-11-29 주식회사 케이디시스템 A system for power detect using the power line communication

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100416926B1 (en) * 2001-10-08 2004-02-05 주식회사 포러스테크놀로지 Both transformer power load monitoring and watt meter reading remote control system
KR20050038252A (en) * 2003-10-21 2005-04-27 한전케이디엔 주식회사 Remote inspection system including transformer with relay units inside

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002013406A1 (en) * 2000-08-04 2002-02-14 Exscoms Ltd. Communication system and communication method using power lines
KR20020089093A (en) * 2001-05-23 2002-11-29 주식회사 케이디시스템 A system for power detect using the power line communication

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