KR20030070710A - Gas alarm device with remote control function - Google Patents

Gas alarm device with remote control function Download PDF

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Publication number
KR20030070710A
KR20030070710A KR1020020010220A KR20020010220A KR20030070710A KR 20030070710 A KR20030070710 A KR 20030070710A KR 1020020010220 A KR1020020010220 A KR 1020020010220A KR 20020010220 A KR20020010220 A KR 20020010220A KR 20030070710 A KR20030070710 A KR 20030070710A
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South Korea
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alarm
gas
communication module
power line
user
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KR1020020010220A
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Korean (ko)
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이기원
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이기원
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    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
    • G08B25/06—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using power transmission lines
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/06—Electric actuation of the alarm, e.g. using a thermally-operated switch
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/02—Alarms for ensuring the safety of persons
    • G08B21/12—Alarms for ensuring the safety of persons responsive to undesired emission of substances, e.g. pollution alarms
    • G08B21/16—Combustible gas alarms
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
    • G08B25/08—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using communication transmission lines
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/12—Messaging; Mailboxes; Announcements

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  • Business, Economics & Management (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Emergency Management (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • General Health & Medical Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Alarm Systems (AREA)
  • Emergency Alarm Devices (AREA)

Abstract

PURPOSE: An apparatus for warning and interrupting gas leakage having a remote control function is provided to transmit a voice message corresponding to alarm information to a public office or an user by using a power line communication module and a telephone communication module. CONSTITUTION: An apparatus for warning and interrupting gas leakage having a remote control function includes a gas alarm portion(1), a fire alarm portion(2), a control portion(4), a gas interruption portion(3), a power line communication module(5), a telephone communication module(6), and a voice storage portion(7). The gas alarm portion(1) generates the alarm sound according to a state of gas leakage. The fire alarm portion(2) generates the alarm sound according to a state of fire. The control portion(4) controls operations of each portion. The gas interruption portion(3) opens or shuts a gas valve according to a control command of the control portion(4). The power line communication module(5) is used for connecting the control portion(4) to a power line. The telephone communication module(6) is connected to the control portion(4) through the power line communication module(5). The voice storage portion(7) stores the voice message corresponding to the alarm signal.

Description

원격제어기능을 갖는 가스누출 경보차단장치{Gas alarm device with remote control function}Gas alarm device with remote control function

본 발명은 원격제어기능을 갖는 가스누출 경보차단장치에 관한 것으로서, 특히 가스누출 경보차단장치를 구성하는 제어부와 전력선통신모듈 상호간을 연결하는 별도의 배선을 설치하지 않아도 되고, 사용자가 외부로부터 전화를 걸어서 가스차단기의 개폐상태 확인 및 원격제어가 가능하도록 하며, 경보신호 발생시 그 경보내용을 음성메세지로서 관공서나 사용자에게 알려주도록 한 원격제어기능을 갖는 가스누출 경보차단장치에 관한 것이다.The present invention relates to a gas leak alarm cutoff device having a remote control function, and in particular, a separate wiring for connecting the control unit and the power line communication module constituting the gas leak alarm cutoff device to each other is not provided. The present invention relates to a gas leakage alarm shut-off device having a remote control function for enabling the user to check the opening and closing state of a gas circuit breaker and to remotely control the alarm, and to notify the government office or the user as an audio message when an alarm signal is generated.

가스누출 경보차단장치라 함은 가스의 누설여부, 화재발생여부 등을 감지하여 경보하고, 경보 발생시 가스차단기를 오프시켜 가스의 추가누출이 발생하지 않도록 제어하는 것을 말한다.Gas leak alarm shut-off device means to detect gas leakage, fire, etc., and to alarm, and to control gas leakage by turning off gas breaker when alarm occurs.

이러한 종래의 가스누출 경보차단장치는 대부분이 경보 발생시 제어수단이 자동으로 가스차단기를 제어하여 가스의 추가누출을 방지하도록 구성된 것이다.Most of these conventional gas leakage alarm blocking device is configured to prevent the additional leakage of gas by the control means automatically controls the gas circuit breaker when the alarm occurs.

그러나, 종래의 가스누출 경보차단장치는 제어부를 외부통신기기와 연결할때 상호간을 별도의 통신라인을 통해 연결해야만 하므로 설치시 배선이 용이하지 못하고, 고장 발생시 유지보수가 어려워지는 문제점을 가지고 있으며, 또한 외출한 사용자가 밖에서 가스차단기의 개폐상태를 원격으로 확인할 수 없어서 안심하고 외출하지 못하는 문제점이 발생하고 있었다.However, the conventional gas leakage alarm cut-off device has a problem in that wiring is not easy to install and difficult to maintain in case of failure since the controller must be connected to each other through a separate communication line when connecting the control unit to an external communication device. There was a problem that the user can not go out with confidence because the user can not remotely check the opening and closing state of the gas circuit breaker outside.

따라서, 상기 문제점을 해결하기 위한 본 발명은 경보내용을 관공서나 사용자의 휴대폰으로 알려주는 수단으로서 전화선을 통해 통신하는 전화통신모듈을 구성하고, 가정 내에서의 구성요소간 통신을 전력선통신모듈을 이용하여 가정내에 매설되어있는 전력선을 통해 구현하므로서, 가스누출 경보차단장치를 구성하는 제어부와 전력선통신모듈 상호간을 연결하는 별도의 배선을 설치하지 않아도 되고, 사용자가 외부로부터 전화를 걸어서 가스차단기의 개폐상태 확인 및 원격제어가 가능하도록 하며, 경보신호 발생시 그 경보내용을 음성메세지로서 관공서나 사용자에게 알려주도록 한 원격제어기능을 갖는 가스누출 경보차단장치를 제공함을 목적으로 한다.Accordingly, the present invention for solving the above problems constitutes a telephony module for communicating over a telephone line as a means of informing the alert contents to a public office or a user's mobile phone, and uses the powerline communication module for communication between components in a home. By using a power line embedded in the home, it is not necessary to install a separate wiring for connecting the control unit and the power line communication module constituting the gas leakage alarm shutoff device, the user calls from outside to open or close the gas circuit breaker It is to provide a gas leakage alarm cut-off device with a remote control function to enable confirmation and remote control and to notify the government office or the user as a voice message when the alarm signal occurs.

도 1 은 본 발명의 원격제어기능을 갖는 가스누출 경보차단장치를 보인 블럭도.Figure 1 is a block diagram showing a gas leak alarm blocking device having a remote control function of the present invention.

도 2 는 제어부에 저장되는 호출대상 전화번호의 저장 예를 보인 도면.2 is a view showing an example of storing a call destination phone number stored in a control unit;

도 3 은 본 발명에 적용된 제어부의 설치상태를 예시한 도면.3 is a view illustrating an installation state of a control unit applied to the present invention.

*도면의 주요부분에 대한 부호의 설명** Description of the symbols for the main parts of the drawings *

1: 가스감지경보기, 2: 화재감지경보기,1: gas detection alarm, 2: fire detection alarm,

3: 가스차단기, 4: 제어부,3: gas circuit breaker, 4: control unit,

5: 전력선통신모듈, 6: 전화통신모듈,5: power line communication module, 6: telephone communication module,

7: 음성저장부,7: voice recording,

이하, 첨부된 도면 도 1 내지 도 3 을 참조하여 본 발명의 바람직한 실시예를 설명하면 다음과 같다.Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, FIGS. 1 to 3.

상기 목적달성을 위한 본 발명은,The present invention for achieving the above object,

가정내로 인입되는 가스라인에서의 가스 누출여부를 감지하여 경보신호를 출력하는 가스감지경보기(1)와;A gas detection alarm (1) which detects a gas leak in a gas line introduced into a home and outputs an alarm signal;

가정 내에서의 화재 발생여부를 감지하여 경보신호를 출력하는 화재감지경보기(2)와;A fire detection alarm 2 for outputting an alarm signal by detecting whether a fire has occurred in the home;

상기 경보기(1,2)로부터 경보신호가 입력되면 미리 설정되어있는 다수의 호출대상으로 상기 경보내용이 전송되도록 제어하고, 외부로부터 사용자의 전화접속이 있을경우 그 사용자의 특정키이 입력에 따라 가스차단기(3)의 개폐상태를 알려줌과 동시에 전화기를 이용한 사용자의 제어명령에 따라 가스차단기(3)를 온/오프 제어하는 제어부(4)와;When the alarm signal is input from the alarms 1 and 2, the alarm contents are transmitted to a plurality of preset call targets, and when there is a user's telephone connection from the outside, the user's specific key is input according to the gas circuit breaker. A control unit 4 which notifies the open / closed state of (3) and controls the gas circuit breaker 3 on / off according to a user's control command using the telephone;

상기 제어부(4)의 제어에 따라 가스밸브를 온/오프 개폐시키는 가스차단기(3)와;A gas circuit breaker (3) for opening and closing the gas valve on and off under the control of the controller (4);

상기 제어부(4)와는 가정 내에 배선되어잇는 전력선을 통해 교신하는 전력선통신모듈(5)과;A power line communication module (5) which communicates with the control unit (4) via a power line wired in a home;

상기 전력선 통신모듈(5)을 통해 제어부(4)와 교신하고, 제어부(4)로부터 특정 호출대상으로의 경보신호 송출이 있을 경우 그 경보메세지에 대응하는 음성경보메세지를 음성저장부(7)로부터 인출하여 해당 호출대상으로 전송하며, 사용자의 전화접속시 이를 전력선통신모듈(5)을 통해 제어부(4)에 연결하는 전화통신모듈(6)과;The power line communication module 5 communicates with the control unit 4, and when an alarm signal is sent from the control unit 4 to a specific call target, the voice alarm message corresponding to the alarm message is sent from the voice storage unit 7; A telephone communication module 6 which draws and transmits it to the corresponding call target and connects it to the control unit 4 through the power line communication module 5 when the user connects to the telephone;

경보신호에 대응하는 음성메세지를 저장하는 음성저장부(7);A voice storage unit 7 for storing a voice message corresponding to the alarm signal;

로 구성된 것을 특징으로 한다.Characterized in that consisting of.

상기 제어부(4)는 도 3 에 도시된 바와같이 가정내에 배선되어있는 전력선을 통해 전력선통신모듈(5)과 연결되며, 또한 상기 제어부(4)를 벽면에 매립시켜 외부에 드러나지 않도록 하였다.As shown in FIG. 3, the controller 4 is connected to the power line communication module 5 through a power line wired in a home, and the controller 4 is embedded in a wall so as not to be exposed to the outside.

상기와같이 제어부(4)를 매립형으로 설치하게되면, 제어부(4)가 실내에 노출되지 않게되어 그만큼 실내의 분위기를 한층 더 향상시킬 수 있게되며, 외부로부터의 충격을 다소 감소시킬 수 있게되어 고장발생률을 저감시킬 수 있게된다.When the control unit 4 is installed in a buried type as described above, the control unit 4 is not exposed to the room, and the atmosphere of the room can be further improved, and the impact from the outside can be reduced to some extent. The incidence rate can be reduced.

이와같이 구성된 본 발명의 동작을 설명하면 다음과 같다.Referring to the operation of the present invention configured as described above is as follows.

가정내에 가스가 누출되거나 화재가 발생하게되면 가스감지경보기(1) 또는 화재감지경보기(2)가 이를 감지하여 그 경보신호를 제어부(4)로 전송하고, 제어부(4)는 각각의 경보기(1)(2)로부터 공급되는 경보신호를 인식한 후 전력선을 통해 전력선통신모듈(5)로 상기 발생된 경보신호를 알려줌과 동시에 미리 설정되어있는 다수의 호출대상으로 상기 경보신호가 순차적으로 송출되도록 제어한다.If a gas leaks or a fire occurs in the home, the gas detection alarm 1 or the fire detection alarm 2 detects this and transmits the alarm signal to the control unit 4, and the control unit 4 detects each alarm 1. Recognizing the alarm signal supplied from the (2), the alarm signal is notified to the power line communication module 5 through the power line, and the alarm signal is sequentially sent to a plurality of preset call targets. do.

즉, 상기 제어부(4)에는 도 2 에 도시된 바와같이 비상상태시 연락할 다수의호출대상이 저장되어 있다.That is, the control unit 4 stores a plurality of call destinations to be contacted in an emergency state as shown in FIG.

예를들면, 첫번째 호출대상으로 소방서와 그의 전화번호가 저장되고, 두번째 호출대상으로 사용자와 그의 휴대폰전화번호가 저장되는 것이다.For example, the fire station and his phone number are stored as the first call destination, and the user and his mobile phone number are stored as the second call destination.

따라서, 제어부(4)는 경보신호 발생시 상기 저장된 호출대상에 순차적으로 연락하게되는 것이다.Therefore, the controller 4 sequentially contacts the stored call target when an alarm signal is generated.

상기 제어부(4)에서 송출된 제어정보들은 전력선을 통해 전력선통신모듈(5)로 공급되고, 상기 전력선통신모듈(5)은 입력되는 제어정보들을 전화통신모듈(6)로 공급하며, 상기 전화통신모듈(6)은 전력선통신모듈(5)을 통해 입력되는 제어정보들을 이용하여 먼저, 전화선을 통해 소방서로 전화를 걸어 경보내용을 알려준 후 다시 그다음의 호출대상인 사용자의 휴대폰으로 전화를 걸어 상기 발생된 경보내용을 알려준다.The control information transmitted from the controller 4 is supplied to the power line communication module 5 through a power line, and the power line communication module 5 supplies the input control information to the telephone communication module 6, and the telephone communication. The module 6 first uses the control information input through the power line communication module 5 to call the fire department through the telephone line to inform the user of the alarm and then call the user's mobile phone of the next caller. Inform alarm details.

경보내용을 알려줄때에는 제어부(4)로부터 입력되는 경보신호에 대응하는 음성메세지를 음성저장부(7)로부터 인출하여 그 음성메세지를 호출대상인 소방서나 사용자에게 알려준다.When notifying the contents of the alarm, the voice message corresponding to the alarm signal input from the control unit 4 is withdrawn from the voice storage unit 7 and the voice message is notified to the fire department or the user who is the call target.

예를들어, 경보내용이 가스누출이면, 음성저장부(7)에 저장되어있는 "가스가 누출되었습니다." 라는 음성메세지를 인출하여 호출대상으로 전송하는 것이며, 상기 경보내용이 화재발생이면, 음성저장부(7)에 저장되어있는 "화재가 발생했습니다." 라는 음성메세지를 인출하여 호출대상으로 전송하는 것이다.For example, if the alarm is a gas leak, "Gas has leaked" stored in the voice recorder 7. The voice message is sent out to the call destination. If the alarm is a fire, the "fire has occurred" stored in the voice storage unit 7. Voice message is sent to the callee.

상기 설명과같이 가정내에 발생된 경보내용을 음성메세지로서 소방서나 사용자에게 알려주게되면, 그만큼 소방서나 사용자가 현재 발생된 경보내용을 빠르고정확하게 인지하여 대처할 수 있게되어 가정에서 발생된 비상상황을 조기에 진압할 수 있게된다.As described above, when an alarm message is issued to the fire department or the user as a voice message, the fire department or the user can quickly and accurately recognize and respond to the alarm content that has occurred in the home, thereby prematurely identifying an emergency situation at home. I can suppress it.

한편, 본 발명에서는 사용자가 외부에서 가정내의 가스차단기(3) 개폐여부확인 및 가스차단기(3)의 온/오프제어를 구현할 수 있다.On the other hand, in the present invention, the user can implement the on / off control of the gas circuit breaker 3 and the gas circuit breaker 3 in the home from the outside.

즉, 사용자가 전화기를 이용하여 외부에서 전화통신모듈(6)로 전화를 걸면, 이에 응답한 전화통신모듈(6)이 사용자와 제어부(4)를 상호 연결시켜주게 되며, 이때 사용자가 가스차단기(3)의 개폐여부확인을 위한 특정키이를 입력하게되면, 이를 인식한 제어부(4)가 가스차단기(3)의 현재상태(개폐여부)를 확인하여 사용자에게 전송하여 알려주게 된다.That is, when the user makes a call to the telephony module 6 from the outside by using the telephone, the telephony module 6 responding to the user connects the user and the control unit 4 to each other, and the user interrupts the gas circuit breaker ( When the specific key for checking whether the opening and closing of 3) is inputted, the controller 4 which recognizes this checks the current state of the gas circuit breaker 3 and sends it to the user.

상기 가스차단기(3)의 현재상태를 사용자에게 알려줄때에도 음성저장부(7)에 "가스차단기가 열려있습니다." 와 "가스차단기가 닫혀있습니다."라는 음성메세지를 미리 저장시켜놓고 상기 감지된 가스차단기(3)의 현재상태를 음성메세지로서 사용자에게 알려주도록 한다.Even when the user is informed of the current state of the gas circuit breaker 3, the voice circuit breaker 7 is opened. And store the voice message "Gas blocker is closed" in advance and inform the user of the current state of the detected gas circuit breaker 3 as a voice message.

그리고, 사용자가 외부 전화기를 이용하여 미리 약속된 특정 버튼을 조합하여 가스차단기(3)를 오프시키거나 온상태로 전환시키라는 제어명령을 입력하게되면, 제어부(4)가 상기 제어명령을 인식한 후 가스차단기(3)를 원격제어하여 사용자가 원하는 상태로 제어하게 되는 것이다.When the user inputs a control command to turn off or turn on the gas circuit breaker 3 by combining a predetermined button using an external telephone, the controller 4 recognizes the control command. After the gas circuit breaker (3) to control the user to the desired state.

따라서, 사용자는 외부로 외출한 상태에서도 언제든지 전화기를 이용해서 제어부(4)에 접속하여 가스차단기(3)의 현재상태를 확인하고, 또 그 확인결과에 따라 가스차단기(3)를 개방시키거나 닫아주도록 하는 원격제어를 구현하게되므로서 안심하고 외출할 수 있게되는 것이다.Therefore, the user can access the control unit 4 at any time by using a telephone to check the current state of the gas circuit breaker 3 even when the user is outside, and open or close the gas circuit breaker 3 according to the check result. By implementing a remote control to give, you can go out with confidence.

이상에서 설명한 바와같이 본 발명은 경보내용을 관공서나 사용자의 휴대폰으로 알려주는 수단으로서 전화선을 통해 통신하는 전화통신모듈을 구성하고, 가정 내에서의 구성요소간 통신을 전력선통신모듈을 이용하여 가정내에 매설되어있는 전력선을 통해 구현하므로서, 가스누출 경보차단장치를 구성하는 제어부와 전력선통신모듈 상호간을 연결하는 별도의 배선을 설치하지 않아도 되고, 사용자가 외부로부터 전화를 걸어서 가스차단기의 개폐상태 확인 및 원격제어가 가능하도록 하며, 경보신호 발생시 그 경보내용을 음성메세지로서 관공서나 사용자에게 알려주도록 한 원격제어기능을 갖는 가스누출 경보차단장치를 제공하는 효과를 기대할 수 있다.As described above, the present invention constitutes a telephony module that communicates through a telephone line as a means of informing the alert contents to a public office or a user's mobile phone, and communicates between components in a home using a power line communication module. Since it is implemented through a buried power line, there is no need to install a separate wiring for connecting the control unit and the power line communication module constituting the gas leakage alarm shut-off device, the user checks the opening and closing state of the gas circuit breaker by calling from outside It is possible to control, and the effect of providing a gas leakage alarm blocking device having a remote control function to notify the government office or the user as a voice message when the alarm signal occurs.

Claims (1)

가정내로 인입되는 가스라인에서의 가스 누출여부를 감지하여 경보신호를 출력하는 가스감지경보기(1)와;A gas detection alarm (1) which detects a gas leak in a gas line introduced into a home and outputs an alarm signal; 가정 내에서의 화재 발생여부를 감지하여 경보신호를 출력하는 화재감지경보기(2)와;A fire detection alarm 2 for outputting an alarm signal by detecting whether a fire has occurred in the home; 상기 경보기(1,2)로부터 경보신호가 입력되면 미리 설정되어있는 다수의 호출대상으로 상기 경보내용이 전송되도록 제어하고, 외부로부터 사용자의 전화접속이 있을경우 그 사용자의 특정키이 입력에 따라 가스차단기(3)의 개폐상태를 알려줌과 동시에 전화기를 이용한 사용자의 제어명령에 따라 가스차단기(3)를 온/오프 제어하는 제어부(4)와;When the alarm signal is input from the alarms 1 and 2, the alarm contents are transmitted to a plurality of preset call targets, and when there is a user's telephone connection from the outside, the user's specific key is input according to the gas circuit breaker. A control unit 4 which notifies the open / closed state of (3) and controls the gas circuit breaker 3 on / off according to a user's control command using the telephone; 상기 제어부(4)의 제어에 따라 가스밸브를 온/오프 개폐시키는 가스차단기(3)와;A gas circuit breaker (3) for opening and closing the gas valve on and off under the control of the controller (4); 상기 제어부(4)와는 가정 내에 배선되어잇는 전력선을 통해 교신하는 전력선통신모듈(5)과;A power line communication module (5) which communicates with the control unit (4) via a power line wired in a home; 상기 전력선 통신모듈(5)을 통해 제어부(4)와 교신하고, 제어부(4)로부터 특정 호출대상으로의 경보신호 송출이 있을 경우 그 경보메세지에 대응하는 음성경보메세지를 음성저장부(7)로부터 인출하여 해당 호출대상으로 전송하며, 사용자의 전화접속시 이를 전력선통신모듈(5)을 통해 제어부(4)에 연결하는 전화통신모듈(6)과;The power line communication module 5 communicates with the control unit 4, and when an alarm signal is sent from the control unit 4 to a specific call target, the voice alarm message corresponding to the alarm message is sent from the voice storage unit 7; A telephony module 6 which draws and transmits it to a corresponding call target and connects it to the control unit 4 through the power line communication module 5 when the user connects to the telephone; 경보신호에 대응하는 음성메세지를 저장하는 음성저장부(7);로 구성된 것을 특징으로하는 원격제어 기능을 갖는 가스누출 경보차단장치.Gas leakage alarm blocking device having a remote control function, characterized in that consisting of; voice storage unit for storing a voice message corresponding to the alarm signal.
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100669114B1 (en) * 2003-09-30 2007-01-15 주식회사 동양경보전자 Gas calamity prevention system

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Publication number Priority date Publication date Assignee Title
JPS6181036A (en) * 1984-09-28 1986-04-24 Nisshin Sangyo Kk Centralized monitor system of gas leakage by power-line carrier
KR910008911A (en) * 1989-10-12 1991-05-31 정용문 Safety monitoring device and method using power line
KR19990054984A (en) * 1997-12-27 1999-07-15 송재인 Gas alarm method and device
KR20010086709A (en) * 2000-03-02 2001-09-15 최상학 An apparatus for monitoring a fire
KR20020004248A (en) * 2000-07-04 2002-01-16 이은수 a system of an alarm of a fire to simplify the line between a fire detecting device and a controller
JP2002042274A (en) * 2000-07-25 2002-02-08 Yazaki Corp Gas leakage notification system
KR20030068223A (en) * 2002-02-14 2003-08-21 주식회사 플레넷 Home security system by using power line communication

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6181036A (en) * 1984-09-28 1986-04-24 Nisshin Sangyo Kk Centralized monitor system of gas leakage by power-line carrier
KR910008911A (en) * 1989-10-12 1991-05-31 정용문 Safety monitoring device and method using power line
KR19990054984A (en) * 1997-12-27 1999-07-15 송재인 Gas alarm method and device
KR20010086709A (en) * 2000-03-02 2001-09-15 최상학 An apparatus for monitoring a fire
KR20020004248A (en) * 2000-07-04 2002-01-16 이은수 a system of an alarm of a fire to simplify the line between a fire detecting device and a controller
JP2002042274A (en) * 2000-07-25 2002-02-08 Yazaki Corp Gas leakage notification system
KR20030068223A (en) * 2002-02-14 2003-08-21 주식회사 플레넷 Home security system by using power line communication

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100669114B1 (en) * 2003-09-30 2007-01-15 주식회사 동양경보전자 Gas calamity prevention system

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