WO2015122579A1 - 양방향 통신 기능을 갖는 위험 구역내 설치용 화재 및 가스 감지 시스템 - Google Patents
양방향 통신 기능을 갖는 위험 구역내 설치용 화재 및 가스 감지 시스템 Download PDFInfo
- Publication number
- WO2015122579A1 WO2015122579A1 PCT/KR2014/005755 KR2014005755W WO2015122579A1 WO 2015122579 A1 WO2015122579 A1 WO 2015122579A1 KR 2014005755 W KR2014005755 W KR 2014005755W WO 2015122579 A1 WO2015122579 A1 WO 2015122579A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- line
- terminal
- voltage
- loop
- detector
- Prior art date
Links
Images
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
-
- 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
- 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
Definitions
- the present invention relates to a fire and gas detection system for installation in a hazardous area having a bidirectional communication function, and more particularly, to provide a power supply and a bidirectional communication function through a power line for a detector installed in a dangerous area having a high risk of disaster.
- the present invention relates to a fire and gas detection system having a bidirectional communication function that can be maintained even in the event of a disaster.
- Fire detection and gas leak detection measures for large spaces such as inside and outside of ships, plants or buildings, smoke detectors to detect smoke, temperature detectors to detect ambient temperature, flame detectors to detect flames
- a plurality of smoke detectors are installed to detect the occurrence of smoke, and a system is configured and applied to detect the occurrence of fire and gas leakage according to the operation of each detector.
- Korean Patent No. 1311950 2013.9.17.
- a prior art Korean Patent No. 1311950 (2013.9.17.) (Name: fire detection fire and gas detection system having a bidirectional communication loop) (hereinafter, referred to as a prior art) is disclosed.
- a communication loop comprising a positive line for transmitting an operating voltage and a digital call signal and a negative line arranged in parallel with the positive line;
- a fire detector connected to the communication loop, for analyzing the digital call signal and transmitting the measured value as a current signal at the time it is called;
- An interface unit having a loop A terminal and a loop B terminal, transmitting an operating voltage and a digital call signal to the (+) line and receiving a current signal output by the fire detector from the (-) line;
- a fire detection fire having a bidirectional communication loop connected to the interface unit, the main control panel providing a digital call signal, receiving measurement values from the called fire detector and performing processing according to a pre-entered program; Initiate a gas detection system.
- detectors are arranged in parallel and unidirectional communication is performed on a single line instead of bidirectional communication in a danger zone where a high risk of disaster occurs.
- this one-way communication if the (+) and (-) lines are melted by heat or flame and shorted in a situation where a fire or gas leak is detected in an actual danger zone, Power supply and power line communication are both paralyzed.
- the present invention has been made to meet the above-mentioned problems and demands, and includes a line to which a positive voltage is applied in a fire and gas detection system having a power line communication function installed in a high risk area of a disaster. Even if the lines to which voltage is applied are disconnected or shorted to each other, the function of the fire and gas detection system is to be maintained as much as possible.
- a fire and gas detection system for installation in a hazardous area having a bidirectional communication function includes a first terminal having a first terminal for outputting a first voltage and a second terminal for outputting a second voltage.
- a second terminal block having a terminal block and a third terminal for outputting a first voltage and a fourth terminal for outputting a second voltage;
- a + line connecting the first terminal and the third terminal to each other and a-line connecting the second terminal and the fourth terminal to each other;
- a second loop line disposed parallel to each other in a form; A first connecting line branched from the + line and connected to the first loop line, and a second connecting line branched from the-line and connected to the second loop line; A barrier disposed on the first connection line and the second connection line and disconnecting the first connection line and the second connection line, respectively, when a short circuit between the first loop line and the second loop line is detected; It is connected to the first loop line and the second loop line within the danger zone, operates by receiving a first voltage, senses the surrounding environment, generates sensing information, and demodulates the first voltage to make a predetermined call.
- a detector for modulating and transmitting a second voltage upon receiving the information And simultaneously controlling the first and second terminal blocks to demodulate the sensed information transmitted from the detector from a second voltage while modulating and outputting the call information specifying the detector to a first voltage, and demodulating the sensed information.
- a fire and gas detection alarm processing In response to a fire and gas detection alarm processing.
- the detector may include at least one of a fire detector, a temperature detector, a smoke detector, a gas detector, an open / close detector, a motion detector, a manual switch, an explosion detector, and a flame detector.
- the + VDD terminal to which the first loop line is branched and coupled, the -IN terminal to which the second loop line is cut and coupled is coupled, -OUT terminal to which the other end is coupled, and the + VDD
- the -IN terminal and the -OUT terminal are shorted to each other. If the first voltage is applied to the + VDD terminal and the first voltage is also applied to the -OUT terminal, the -OUT terminal is applied.
- the display device may further include an isolator circuit including a driving circuit unit to open a terminal to the -IN terminal.
- the driving circuit of the isolator circuit may include a first diode having an anode coupled to the -OUT terminal, a second diode having an anode coupled to the -IN terminal, and coupled to the first diode and the cathode; A first resistor and a second resistor having one ends coupled to the cathode of the first or second diode, the other end of the first resistor coupled to the circuit, and the emitter having a first switching element coupled to a + VDD terminal and the -OUT.
- a drain is coupled to the terminal, the source is a second switching element coupled to the other end of the second resistor, a drain is coupled to the -IN terminal, and the source is a third switching element coupled to the other end of the second resistor; One end may be coupled to the collector of the first switching element, and the other end may have a third resistor commonly coupled to the gate of the second switching element and the gate of the third switching element.
- the first switching element may be a PNP transistor, and the second and third switching elements may be N-channel FETs.
- the fire and gas detection system for installation in a hazardous area having a bidirectional communication function is a closed loop type track, and a part of the loop shape is disposed in a dangerous area where a risk of disaster is generated and the loop type
- the other part includes a first loop line and a second loop line parallel to each other disposed in a safety area other than the dangerous area; Is coupled to the first loop line and the second loop line in the safety zone, and applies a first voltage to the first loop line and detects a short circuit between the first loop line and the second loop line.
- the sensing information is generated by sensing the surrounding environment while operating by receiving the first voltage of the first loop line in the danger zone, and demodulating the first voltage to receive the predetermined call information.
- CPU to perform gas detection alarm processing.
- the + VDD terminal to which the first loop line is branched and coupled, the -IN terminal to which the second loop line is cut and coupled is coupled, -OUT terminal to which the other end is coupled, and the + VDD
- the -IN terminal and the -OUT terminal are shorted to each other. If the first voltage is applied to the + VDD terminal and the first voltage is also applied to the -OUT terminal, the -OUT terminal is applied.
- an isolator circuit including a driving circuit portion to open a terminal from the -IN terminal, wherein the detector may be connected to the first loop line and the second loop line through the isolator circuit.
- the line first line or to which the + side voltage (first voltage) disposed in the dangerous zone is applied
- the power supply and power line communication functions can be maintained to the maximum. It is possible to provide a fire and gas detection system with reliable two-way communication.
- FIG. 1 is a view showing the configuration of a fire detection fire and gas detection system having a bidirectional communication function according to the prior art.
- FIG. 2 is a conceptual diagram illustrating the configuration of a fire and gas detection system for installation in a hazardous area having a bidirectional communication function according to a first embodiment of the present invention.
- FIG. 3 is a view for explaining the basic configuration of the isolator circuit provided in the present invention.
- FIG. 4 is a conceptual diagram illustrating an operation principle of an isolator circuit.
- FIG. 5 is a diagram illustrating an internal circuit configuration of an isolator circuit.
- 6 is an equivalent circuit diagram for explaining the operation principle of the isolator circuit.
- FIG. 7 is a conceptual diagram illustrating a configuration of a fire and gas detection system having a bidirectional communication function according to a second embodiment of the present invention.
- FIG. 8 is a view for explaining an operation when a part of the tracks in the danger zone are disconnected in the fire and gas detection system according to the second embodiment.
- FIG. 9 is a view for explaining an operation when a short circuit occurs in some of the tracks in the danger zone in the fire and gas detection system according to the second embodiment.
- the fire and gas detection system having a bidirectional communication function is based on the fire and gas detection system implementing the bidirectional communication function disclosed in the above-described prior art. Therefore, the operation and construction principle will be understood with reference to the above prior art.
- a fire and gas detection system having a bidirectional communication function according to a first embodiment of the present invention
- the first loop line 11 and the second loop line 12 the terminal block 300, the detector 100, an isolator circuit 200, and a CPU 400.
- the first connection line 21 and the second connection line 22 for connecting each of the terminal block 300, the first loop line 11 and the second loop line 12, and the first connection line
- a barrier 250 that regulates the second connection line.
- the first loop line 11 is a closed loop type track, and a part of the loop shape is disposed to span the danger zone, and the other part of the loop shape may be arranged to pass through the safety zone.
- the second loop line 12 is the same as the first loop line 11 and is a line configured in parallel with the first loop line.
- the first loop line 11 and the second loop line 12 may be configured such that all of the loop shapes are disposed in the danger zone.
- the dangerous area refers to an area having a relatively high risk of a disaster such as a fire or a gas leak in a predetermined space.
- a space containing an engine or fuel, explosive or volatile It may be a space for accommodating this high harmful substance, a space using fire, or high heat.
- the International Maritime Organization defines cargo holds, paint stores and confined spaces as hazardous areas.
- the safety zone is a zone with a relatively low risk of disaster occurrence compared to the dangerous zone, for example, the ship, may be a bedroom, shower, rest room, outside the cabin.
- the International Maritime Organization defines safety zones other than hazardous areas.
- the terminal block 300 may be installed and operated in a safety zone, and may be installed on the first loop line 11 through a first connection line 21 connected to one side of the first loop line 11 exposed to the safety zone.
- the first voltage is applied to the first loop, and similarly, the second voltage is connected to one side of the second loop line 12 disposed in the safety zone to sense a change in current or a voltage (second voltage) through the second connection line 22.
- the first voltage may be, for example, a DC voltage of 17 to 26V (which may be referred to as + VDD or + voltage), and the second voltage may have a common voltage (or a ground voltage or a specific voltage value). May be referred to as '-voltage').
- the terminal block 300 may supply operating power to the detector 100 by applying a first voltage through a first connection line under the control of the CPU 400, and may provide predetermined information provided by the CPU 400 (eg, For example, the call information is loaded into the first voltage and transmitted (adding the additional voltage waveform corresponding to the information to be transmitted to the first voltage).
- information eg, sensing information
- transmitted from the detector may be received and provided to the CPU. That is, the terminal block 300 monitors the amount of current through the second connection line 22 and analyzes the information transmitted from the detector by using the waveform that appears in the amount of current. Alternatively, the voltage change may be sensed by monitoring the second voltage appearing on the second connection line 22.
- the detector 100 is mainly arranged in the danger zone to monitor the current state of the surrounding environment.
- the detector 100 may be, for example, a fire detector, a temperature detector, a smoke detector, a gas detector, an open / close detector, a motion detector, a manual switch, an explosion detector, a flame detector, and the like, and monitor an environmental state corresponding to each function. To generate digital information (ie, sensing information) indicating the result of the monitoring.
- the detector 100 is operated by receiving a first voltage from the first loop line 11 and a second voltage from the second loop line 12. The detector 100 will continuously monitor while the power is supplied.
- the detector 100 receives the predetermined call information added to the first voltage by the power line communication method
- the detector 100 detects a current corresponding to the detected information by using a waveform corresponding to the detected information. Consume according to Due to the current consumption, the terminal block side can receive the information transmitted from the detector.
- the detector 100 has a resistor with a large load therein and is configured to turn on and off a circuit connection to the resistor in response to the waveform of the sensed information.
- current consumption by the first voltage occurs in the resistor, and variation in the second voltage occurs due to the current consumption, so that power line communication between the detector 100 and the CPU 400 may be processed.
- each of the detectors a unique ID can be set, and during operation, the unique voltage set in the manner of separating the voltage added to the first voltage by continuously inspecting the first voltage applied from the first loop line It is configured to monitor whether the ID of is called, and if its ID is called, the current is consumed by consuming a large current using the first voltage by turning on / off an internal load for a predetermined period of time or at the same time as receiving the call information. Transmit currently generated sensing information in such a way that a change in the frequency can be detected.
- the central processing unit (CPU) 400 controls the operation of the terminal block 300 by controlling the operation of the associated electronic circuit, applies the first voltage and the second voltage to the detector 100, and provides the call information. It loads (modulates) and outputs a pulse or an additional voltage to the first voltage in a period, and unloads the sensing information by detecting a change in current or voltage from the second voltage in another period or at the same time as the transmission. Demodulation). The received detection information is analyzed to determine the current state of the environment around the detector, to determine whether a disaster has occurred, and to effect an alarm corresponding to the result.
- each detector 100 is coupled to the first loop line 11 or the second loop line 12 through the isolator circuit 200.
- the isolator circuit 200 adjusts the internal circuit of the isolator circuit 200 when a short occurs between the first loop line 11 and the second loop line 12, and is connected to a point where the short circuit occurs. To open. On the other hand, when the two isolator circuits arranged on both sides of the short circuit point are switched to the disconnected state, the short circuit point can be completely isolated. In other words, the line is as if each isolator circuit is disconnected to the terminal.
- a fire and gas detection system may maintain power supply and power line communication to the detector 100 when a line in a hazardous area is disconnected, but power may be supplied to the detector 100 when a line is shorted. The operation of the detector is disabled. Therefore, the fire and gas detection system having the bidirectional communication function according to the configuration of the present embodiment is to ensure the operation of the system by disconnecting both sides of the portion when a short circuit occurs in the line by adding the isolator circuit 200.
- the barrier 250 is disposed between the first connection line 21 and the second connection line 22 to mediate the connection between the terminal block 300 and the fire and gas detection system.
- the barrier 25 is a terminal block for various problems caused when disconnection or short-circuit of the lines (particularly, the first and second loop lines) constituting the fire and gas detection system, and circuit breakdown or short-circuit caused by the failure of the detector. It is a device that performs a function of blocking the (300) and the CPU (400) side.
- the barrier 250 detects that a short circuit occurs at the trailing end, that is, the dangerous zone side track, and isolates the track from the front end, that is, the safety zone side track if a short circuit occurs.
- the barrier 250 allows the short circuit of the line generated in the fire detection and gas detection system to be treated as a disconnection of the line.
- Such a barrier 250 may be configured using an isolator circuit.
- the track provided in the hazardous area is configured in the form of a loop, and one or a plurality of detectors (eight in FIG. 2) are arranged in the loop.
- the first voltage and the second voltage may be normally applied to the respective sensors.
- normal sensing operation and communication operation of the fire and gas sensing system can be maintained.
- the fire and gas detection system having the bi-directional communication function according to the first embodiment can operate normally even when disconnection or short circuit occurs at any point of the first loop line and the second loop line disposed in the hazardous area. I can guarantee it.
- Figure 4 is a view for explaining the basic configuration of the isolator circuit provided in the present invention.
- the isolator circuit 200 ensures continuity of the first line (which may be the first loop line or the first connection line) and the second line (which may be the second loop line or the second connection line) in the normal state.
- the + VDD voltage (first voltage) of the first line is reduced by disconnecting at least one line (especially the second line) of the first line and the second line. It operates to block the short circuit with the voltage (second voltage; denoted by -VDD in the drawing).
- the isolator circuit 200 has a + VDD terminal branched from the first line.
- the isolator circuit also includes a -IN terminal to which the second line is cut and one end of the cut line is connected, and an -OUT terminal to which one end of the cut line is connected.
- the isolator circuit 200 can be driven using the + VDD voltage, and in the normal state, the continuity of the second line is ensured by electrically connecting the -IN terminal and the -OUT terminal to each other, and in an abnormal state It operates to disconnect the second line by isolating the -OUT terminal from the + VDD terminal and the -IN terminal.
- any device connected to the rear end of the isolator circuit can use the + VDD voltage and the -voltage to maintain operation and power line communication.
- a line short circuit occurs at the rear end of the isolator circuit, whereby the -IN terminal and the -OUT terminal are isolated.
- the same effect as that of the line disconnected based on the isolator circuit is obtained.
- the isolator circuit includes a first diode D1 having an anode coupled to a -OUT terminal, and a second diode D2 having an anode coupled to a -IN terminal and coupled with a first diode D1 and a cathode. And a first resistor R1 and a second resistor R2 having one ends coupled to the cathode of the first or second diode, respectively, and the other end of the first resistor R1 coupled to the circuit, and the emitter connected to the + VDD terminal.
- the first switching element F2 and the drain are coupled to the -OUT terminal and the source is the second switching element F2 coupled to the other end of the second resistor, and the drain is coupled to the -IN terminal and the source is the second.
- the third switching element F3 coupled to the other end of the resistor R2, one end of which is coupled to the collector of the first switching element F1, and the other end of the gate and the third switching element F3 of the second switching element F2.
- a third resistor R3 commonly coupled to the gate of the transistor.
- the first switching device F1 may be a PNP transistor, and the second and third switching devices may be N-channel FETs.
- Fig. 6A shows a case of operating in a steady state.
- the + VDD voltage is applied to the + VDD terminal and, for example, -voltage is applied to the -IN terminal and the -OUT terminal
- (1) -voltage is applied through the switching element F3, and the switching element F3 is applied.
- the source side line of) becomes-voltage.
- the voltage applied to the emitter side of the switching element TR1 causes a weak current to flow through the resistor R1 and the resistor R2 through the circuit.
- a weak current flows through the circuit of the switching element TR1, a voltage is applied to the resistor R3.
- a voltage is applied to the gates of the switching element F2 and the switching element F3, and the switching element F2 and the switching element F3 are turned on.
- the negative voltage applied to the switching element F3 flows to the -OUT terminal through the switching element F2 that is turned on.
- 6B illustrates the operation of the isolator circuit in the case where the + VDD voltage is sensed at the -OUT terminal, that is, in an abnormal state in which the first line and the second line are shorted.
- the isolator circuit 200 according to an embodiment of the present invention implemented in such a circuit configuration, by connecting the isolator circuit in parallel to the power supply line consisting of the first line and the second line, arranged in the rear end of the isolator circuit (I.e., when -voltage from terminal block is connected to -IN terminal, it can be -OUT terminal side line) . If a short circuit between the 1st line and 2nd line occurs, It can be implemented to behave as if the line is disconnected by disconnecting it. Thus, bidirectional communication function can be maintained even if the power supply line is shorted.
- the + line 31 and the-line 32 is provided with a first terminal 310 and a second terminal (320) connected to each other and at the same time the first voltage at both terminal blocks
- Two-way communication is implemented so that a plurality of connected detectors can operate normally even if the + line 31 and the-line 32 are disconnected by performing power line communication by monitoring the second voltage at both terminal blocks at the same time.
- first loop line 11 and the second loop line are arranged so that a part of the loop passes through the danger zone and the other part of the loop is disposed in the safety zone to complete the closed loop. (12) is arranged, and a second fire and gas detection system in which a plurality of detectors 100 are installed is prepared.
- a first connection line 21 connecting one side of the + line 31 of the first fire and gas detection system to the first loop line 11 of the second fire and gas detection system disposed in the safety zone.
- a second connection line 22 is formed to connect the second loop line 12 disposed at one side of the line 32 and the safety area.
- a barrier 250 is arranged between the first connection line 21 and the second connection line 22 to mediate the connection between the first fire and gas detection system and the second fire and gas detection system.
- the barrier 25 prevents various problems caused by disconnection or short circuit of the line in the second fire and gas detection system, circuit breakdown or short circuit caused by the failure of the detector, and the second fire and gas detection system is used as the first fire.
- a device for isolating the gas sensing system isolating the gas sensing system.
- the barrier 250 detects that a short circuit of the track is generated at the trailing end, that is, the dangerous area side track, and isolates the track if a short circuit occurs. In this way, the barrier 250 allows the short circuit of the track to be treated as a disconnection of the track in the first fire detection and gas detection system.
- the power supply for the detector in a typical safety zone can be defined as 17 ⁇ 28V.
- a relative low voltage of 14 to 24 V to prevent sparks or overheating that may occur during line breaks or short circuits.
- the barrier 250 has a function of converting 17-28V of electric power supplied from the + and ⁇ -line of the first fire and gas sensing system into 14-24V of electric power for use in the second fire and gas sensing system. can do.
- the barrier 250 may also include a protocol conversion function. That is, the first sensing system is designed to perform power line communication using a signal having an amplitude of 5 to 9 V, for example, such a signal may not be applicable to the second sensing system in a hazardous area due to explosion prevention or the like. have. In this case, a power line communication protocol having an amplitude of 5 to 9 volts transmitted from the line of the first sensing system should be converted into a signal having an amplitude in the voltage range applicable to the hazardous area.
- each detector disposed in the hazardous area can be protected from the disconnection and short circuit of the track by its isolation circuit, and the plurality of dangerous zones can be protected.
- Detectors can be protected by a barrier. That is, when the first loop line and the second loop line are short-circuited, it is possible to prevent a situation in which the detectors connected to the line may be damaged.
- barrier (B) can finally isolate the track of the hazardous area, It is possible to minimize the occurrence of failures in multiple locations affecting the fire and gas detection system in the safety zone.
- FIG. 8 is a view for explaining an operation when a part of the tracks in the danger zone are disconnected in the fire and gas detection system according to the second embodiment.
- the 1st to 4th sensors are connected through the upper line A of the first loop line 11 and the 5th to 8th sensors are lowered.
- the + VDD voltage and the -voltage may be provided from both directions.
- the power line communication functions of receiving call information by the + VDD voltage and transmitting the sensing information according to the current variation by the -voltage are also effective.
- FIG. 9 is a view for explaining an operation when a short circuit occurs in some of the tracks in the danger zone in the fire and gas detection system according to the second embodiment.
- the isolator circuit of the 4th detector and the 5th detector Each of the isolator circuits will isolate the second loop line 12, whereby the line will appear to be disconnected between detectors 4 and 5 as shown in FIG. Therefore, since the line is disconnected, the supply of power and power line communication can be maintained.
Landscapes
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Fire Alarms (AREA)
- Alarm Systems (AREA)
- Selective Calling Equipment (AREA)
- Telephonic Communication Services (AREA)
Abstract
Description
Claims (7)
- 제1전압을 출력하기 위한 제1단자와 제2전압을 출력하기 위한 제2단자를 구비한 제1 단자대 및 제1전압을 출력하기 위한 제3단자와 제2전압을 출력하기 위한 제4단자를 구비한 제2 단자대;상기 제1단자와 상기 제3단자를 서로 연결하는 +선로 및 상기 제2단자와 상기 제4단자를 서로 연결하는 -선로;폐루프 형태로 이루어진 선로로서, 루프 형태의 일부는 재난 발생 위험성이 있는 위험구역내에 배치되고 루프 형태의 나머지는 상기 위험구역 이외인 안전구역에 배치된 제1루프선로 및 상기 제1루프선로와 동일한 형태로 서로 평행하게 배치되는 제2루프선로;상기 +선로로부터 분기되어 상기 제1루프선로에 연결된 제1연결선로 및 상기 -선로로부터 분기되어 상기 제2루프선로에 연결된 제2연결선로;상기 제1연결선로 및 상기 제2연결선로에 설치되어, 상기 제1루프선로와 상기 제2루프선로의 단락이 감지되는 경우에 상기 제1연결선로 및 상기 제2연결선로를 각각 단선시키는 배리어;상기 위험구역내에서 상기 제1루프선로와 상기 제2루프선로에 연결되며, 제1전압을 공급받아 동작하면서 주변환경을 감지하여 감지 정보를 생성하고, 또한, 제1전압을 복조하여 소정의 호출 정보를 수신하면 상기 감지 정보를 제2전압을 변조하여 송신하는 감지기; 및제1전압에 상기 감지기를 지정하는 상기 호출 정보를 변조시켜 출력하면서 제2전압으로부터 상기 감지기로부터 전송되는 상기 감지 정보를 복조하도록 상기 제1 및 제2 단자대를 동시에 제어하고, 복조된 상기 감지 정보에 대응하여 화재 및 가스 감지 경보 처리를 수행하는 CPU를 포함하는 양방향 통신 기능을 갖는 위험 구역내 설치용 화재 및 가스 감지 시스템.
- 제1항에 있어서,상기 감지기는, 화재 감지기, 온도 감지기, 연기 감지기, 가스 감지기, 개폐 감지기, 움직임 감지기, 수동조작 스위치, 폭발 감지기, 불꽃 감지기 중 적어도 하나를 포함하는 것을 특징으로 하는 양방향 통신 기능을 갖는 위험 구역내 설치용 화재 및 가스 감지 시스템.
- 제1항 또는 제2항에 있어서,상기 제1루프선로가 분기되어 결합되는 +VDD단자와, 상기 제2루프선로를 절단하고 절단된 일측이 결합되는 -IN단자와, 절단된 타측이 결합되는 -OUT단자와, 상기 +VDD단자로 제1전압이 인가되면 상기 -IN단자와 상기 -OUT단자를 서로 연결(short)시키고 만일 상기 +VDD단자로 제1전압이 인가되면서 상기 -OUT단자에도 제1전압이 인가되면 상기 -OUT단자를 상기 -IN 단자와 격리(open)시키는 구동회로부를 포함하는 아이솔레이터 회로를 더 포함하는 양방향 통신 기능을 갖는 위험 구역내 설치용 화재 및 가스 감지 시스템.
- 제3항에 있어서,상기 아이솔레이터 회로의 상기 구동회로부는,상기 -OUT단자에 애노드가 결합된 제1다이오드와,상기 -IN단자에 애노드가 결합되고 상기 제1다이오드와 캐소드끼리 결합된 제2다이오드와,상기 제1 또는 제2다이오드의 캐소드에 일단들이 각각 결합된 제1저항 및 제2저항과,회로에는 제1저항의 타단이 결합되고, 이미터는 +VDD단자에 결합된 제1 스위칭소자와,상기 -OUT단자에 드레인이 결합되고, 소스는 상기 제2저항의 타단에 결합된 제2 스위칭소자와,상기 -IN단자에 드레인이 결합되고, 소스는 상기 제2저항의 타단에 결합된 제3스위칭 소자와, 및일단은 상기 제1스위칭소자의 콜렉터에 결합되고, 타단은 상기 제2 스위칭소자의 게이트와 상기 제3스위칭소자의 게이트에 공통으로 결합된 제3저항을 구비하는 것을 특징으로 하는 양방향 통신 기능을 갖는 위험 구역내 설치용 화재 및 가스 감지 시스템.
- 제4항에 있어서,상기 제1스위칭소자는 PNP 트랜지스터이고,상기 제2 및 제3스위칭소자는 N채널 FET인 것을 특징으로 하는 양방향 통신 기능을 갖는 위험 구역내 설치용 화재 및 가스 감지 시스템.
- 폐루프 형태로 이루어진 선로로서, 루프 형태의 일부는 재난 발생 위험성이 있는 위험구역내에 배치되고 루프 형태의 나머지는 상기 위험구역 이외인 안전구역에 배치된 서로 평행한 제1루프선로 및 제2루프선로;상기 안전구역의 상기 제1루프선로 및 상기 제2루프선로에 결합되어, 상기 제1루프선로에 제1전압을 인가하고, 상기 제1루프선로와 상기 제2루프선로의 단락이 감지되는 경우에 상기 제1루프선로 및 상기 제2루프선로와의 결합을 해제하는 배리어;상기 위험구역내에서 상기 제1루프선로의 제1전압을 공급받아 동작하면서 주변환경을 감지하여 감지 정보를 생성하고, 또한, 제1전압을 복조하여 소정의 호출 정보를 수신하면 상기 감지 정보를 상기 제2루프선로의 제2전압을 변조하여 송신하는 감지기; 및상기 배리어에 결합되어, 제1전압에 상기 감지기를 지정하는 상기 호출 정보를 변조시켜 출력하면서 제2전압으로부터 상기 감지기로부터 전송되는 상기 감지 정보를 복조하고, 복조된 상기 감지 정보에 대응하여 화재 및 가스 감지 경보 처리를 수행하는 CPU를 포함하는 양방향 통신 기능을 갖는 위험 구역내 설치용 화재 및 가스 감지 시스템.
- 제6항에 있어서,상기 제1루프선로가 분기되어 결합되는 +VDD단자와, 상기 제2루프선로를 절단하고 절단된 일측이 결합되는 -IN단자와, 절단된 타측이 결합되는 -OUT단자와, 상기 +VDD단자로 제1전압이 인가되면 상기 -IN단자와 상기 -OUT단자를 서로 연결(short)시키고 만일 상기 +VDD단자로 제1전압이 인가되면서 상기 -OUT단자에도 제1전압이 인가되면 상기 -OUT단자를 상기 -IN 단자와 격리(open)시키는 구동회로부를 포함하는 아이솔레이터 회로를 더 포함하고,상기 감지기는 상기 아이솔레이터 회로를 통해 상기 제1루프선로 및 상기 제2루프선로에 연결되는 양방향 통신 기능을 갖는 위험 구역내 설치용 화재 및 가스 감지 시스템.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201480065538.9A CN106104649B (zh) | 2014-02-13 | 2014-06-27 | 设置于危险区域内的具有双向通信功能的火灾及气体检测系统 |
JP2016569536A JP6312864B2 (ja) | 2014-02-13 | 2014-06-27 | 双方向通信機能を有する危険区域内取付用の火災及びガス検知システム |
US15/118,655 US9767664B2 (en) | 2014-02-13 | 2014-06-27 | Fire and gas detection system having bidirectional communication function to be installed in dangerous region |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2014-0016563 | 2014-02-13 | ||
KR1020140016563A KR101399025B1 (ko) | 2014-02-13 | 2014-02-13 | 양방향 통신 기능을 갖는 위험 구역내 설치용 화재 및 가스 감지 시스템 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2015122579A1 true WO2015122579A1 (ko) | 2015-08-20 |
Family
ID=50895175
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2014/005755 WO2015122579A1 (ko) | 2014-02-13 | 2014-06-27 | 양방향 통신 기능을 갖는 위험 구역내 설치용 화재 및 가스 감지 시스템 |
Country Status (5)
Country | Link |
---|---|
US (1) | US9767664B2 (ko) |
JP (1) | JP6312864B2 (ko) |
KR (1) | KR101399025B1 (ko) |
CN (1) | CN106104649B (ko) |
WO (1) | WO2015122579A1 (ko) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6916642B2 (ja) * | 2017-03-16 | 2021-08-11 | 新明和工業株式会社 | 塵芥収集車 |
JP6924651B2 (ja) * | 2017-08-18 | 2021-08-25 | ホーチキ株式会社 | トンネル非常用設備 |
EP3811348A1 (en) * | 2018-06-21 | 2021-04-28 | Autronica Fire & Security AS | System and method for startup of a detector loop |
KR102143332B1 (ko) * | 2019-05-02 | 2020-08-11 | 열두방재(주) | 단선 시에도 작동되는 자동 화재탐지시스템 및 이에 사용되는 감지회선 절환장치 |
CN110839183B (zh) * | 2019-11-19 | 2021-10-01 | 陈颖 | 一种基于5g网络的危险设备远程组网系统方法 |
CN116761958B (zh) | 2021-01-14 | 2024-05-07 | 大金工业株式会社 | 空调装置和空调室外机 |
KR102523897B1 (ko) | 2022-01-17 | 2023-04-19 | 박인자 | 화재 감지 시스템 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1166451A (ja) * | 1997-08-21 | 1999-03-09 | Nittan Co Ltd | 火災報知設備 |
JP2010027070A (ja) * | 2009-10-30 | 2010-02-04 | Tokyo Gas Co Ltd | 警報器 |
KR101208843B1 (ko) * | 2011-03-22 | 2012-12-05 | 이광모 | 트랜스포머를 이용한 화재 방지 장치 |
KR101311950B1 (ko) * | 2012-04-25 | 2013-09-26 | 비아이산업(주) | 양방향 통신 루프를 갖는 화재 감지 경보 시스템 |
Family Cites Families (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4287515A (en) * | 1979-04-27 | 1981-09-01 | Baker Industries, Inc. | Fire detection system with multiple output signals |
JPS5739251A (en) * | 1980-08-18 | 1982-03-04 | Toray Industries | Leather like pile fabric |
JPH0353349Y2 (ko) * | 1984-10-16 | 1991-11-21 | ||
JPH0632517B2 (ja) * | 1985-07-19 | 1994-04-27 | ホーチキ株式会社 | 異常監視装置 |
JPS6260097A (ja) * | 1985-09-09 | 1987-03-16 | 日本信号株式会社 | 火災感知装置 |
JPS6273400A (ja) * | 1985-09-27 | 1987-04-04 | ニツタン株式会社 | 警報装置 |
JP2520113B2 (ja) * | 1986-07-11 | 1996-07-31 | ホーチキ株式会社 | 線路異常監視システム |
JP2520112B2 (ja) * | 1986-07-11 | 1996-07-31 | ホーチキ株式会社 | 線路異常監視装置 |
JPS63308698A (ja) * | 1987-06-10 | 1988-12-16 | Nittan Co Ltd | 警報装置の伝送線路切り離し回路 |
JP2571804Y2 (ja) * | 1991-06-19 | 1998-05-20 | ニッタン株式会社 | 火災報知機の線路切り離し回路 |
JP3014586B2 (ja) * | 1993-05-25 | 2000-02-28 | ホーチキ株式会社 | 線路異常監視装置 |
JP3697770B2 (ja) * | 1996-02-23 | 2005-09-21 | 松下電工株式会社 | 回線分離装置 |
US5801913A (en) * | 1996-04-29 | 1998-09-01 | Kiddie-Fenwal, Inc. | Isolation circuitry |
JPH1186171A (ja) * | 1997-09-10 | 1999-03-30 | Matsushita Electric Works Ltd | 防災監視システム |
DE20105653U1 (de) * | 2001-03-30 | 2001-05-31 | Detectomat Gmbh | Brandmeldeanlage |
JP3630413B2 (ja) * | 2001-10-26 | 2005-03-16 | ホーチキ株式会社 | 防災システム、発信機、受信機及び中継器 |
JP4335507B2 (ja) * | 2002-08-29 | 2009-09-30 | ホーチキ株式会社 | 感知器線断線検出装置 |
JP3933112B2 (ja) * | 2003-08-25 | 2007-06-20 | 松下電工株式会社 | アイソレータ及びアイソレータ用アドレス設定器 |
JP3931863B2 (ja) * | 2003-08-26 | 2007-06-20 | 松下電工株式会社 | アイソレータ |
JP4765809B2 (ja) * | 2006-07-25 | 2011-09-07 | パナソニック電工株式会社 | アイソレータ内蔵型火災感知器、及び火災報知システム |
CN201174156Y (zh) * | 2008-01-29 | 2008-12-31 | 西安特菲尔电子有限公司 | 环形回路布线结构 |
JP5274491B2 (ja) * | 2010-01-25 | 2013-08-28 | 能美防災株式会社 | ショートサーキットアイソレータ |
US8760280B2 (en) * | 2011-07-28 | 2014-06-24 | Tyco Fire & Security Gmbh | Method and apparatus for communicating with non-addressable notification appliances |
CN102855729B (zh) * | 2012-08-25 | 2016-01-06 | 于宝成 | 自取电剩余电流式电气火灾监控系统 |
US9202359B2 (en) * | 2012-08-30 | 2015-12-01 | Honeywell International Inc. | Multilevel signaling system and method |
KR101471438B1 (ko) * | 2013-10-28 | 2014-12-10 | 김영수 | 양방향 통신루프에 결합된 아이솔레이터를 포함하는 통신 복구 기능을 구비한 환경감지 시스템 |
-
2014
- 2014-02-13 KR KR1020140016563A patent/KR101399025B1/ko active IP Right Grant
- 2014-06-27 JP JP2016569536A patent/JP6312864B2/ja active Active
- 2014-06-27 US US15/118,655 patent/US9767664B2/en active Active
- 2014-06-27 CN CN201480065538.9A patent/CN106104649B/zh active Active
- 2014-06-27 WO PCT/KR2014/005755 patent/WO2015122579A1/ko active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1166451A (ja) * | 1997-08-21 | 1999-03-09 | Nittan Co Ltd | 火災報知設備 |
JP2010027070A (ja) * | 2009-10-30 | 2010-02-04 | Tokyo Gas Co Ltd | 警報器 |
KR101208843B1 (ko) * | 2011-03-22 | 2012-12-05 | 이광모 | 트랜스포머를 이용한 화재 방지 장치 |
KR101311950B1 (ko) * | 2012-04-25 | 2013-09-26 | 비아이산업(주) | 양방향 통신 루프를 갖는 화재 감지 경보 시스템 |
Also Published As
Publication number | Publication date |
---|---|
US20170061756A1 (en) | 2017-03-02 |
JP2017510917A (ja) | 2017-04-13 |
CN106104649B (zh) | 2018-01-02 |
JP6312864B2 (ja) | 2018-04-18 |
CN106104649A (zh) | 2016-11-09 |
US9767664B2 (en) | 2017-09-19 |
KR101399025B1 (ko) | 2014-05-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2015122579A1 (ko) | 양방향 통신 기능을 갖는 위험 구역내 설치용 화재 및 가스 감지 시스템 | |
WO2015064918A1 (ko) | 양방향 통신루프에 결합된 아이솔레이터를 포함하는 통신 복구 기능을 구비한 환경감지 시스템 | |
JP6109114B2 (ja) | 煙探知ユニット、煙探知システムおよび煙探知装置 | |
US11043109B2 (en) | Fire notification facility | |
KR101814330B1 (ko) | 격리기와 루프백 타입 신호선로(Signaling Line)를 이용한 자동화재탐지시스템 | |
WO2021194156A1 (ko) | 화재 및 안전을 위한 화재 및 안전을 위한 침수시 누전 방지 장치 및 이를 이용한 누전 및 감전보호 방법 | |
WO2020111872A1 (ko) | 자동점검 누전차단기 | |
KR20110080943A (ko) | 화재감지선로 검출 시스템과 검출 방법 및 상기 검출 방법을 실행시키기 위한 프로그램을 기록한 기록매체 | |
WO2018124394A1 (ko) | 오시공 방지기능이 탑재된 전원용 서지보호기 및 오시공 판단방법 | |
CN106774026B (zh) | 一种智能线路控制器 | |
KR100327497B1 (ko) | 화재경보 시스템용 라인단선 및 화재발생 감시장치 및감시방법, 이를 갖는 화재 경보 장치 | |
JP3828035B2 (ja) | 空気調和機の運転制御装置及びマルチ式空気調和機の運転制御装置 | |
JP2005322122A (ja) | セキュリティシステムの制御装置 | |
KR100668991B1 (ko) | 빌딩경보장치 | |
WO2014157973A1 (ko) | 이동통신망용 무선통신부를 이용한 위험물 보관함용 원격 경보시스템 | |
KR101965110B1 (ko) | 선순환 통신을 이용한 비접촉식 열화 감시시스템 | |
WO2024038995A1 (ko) | 분전반의 iot기반 제어장치 | |
KR200307284Y1 (ko) | 본질안전 방폭용 배리어 겸 전원공급장치 | |
WO2020080755A1 (ko) | 전원분리회로의 부품온도 제어장치 | |
JP2802014B2 (ja) | 防災監視装置の電話回路 | |
WO2012044031A2 (ko) | 배전계통 인적오류 능동 대응방식 ct 자동 보호용 제어장치 | |
KR20220075199A (ko) | 풀 코드스위치의 모니터링 장치 및 이의 제어방법 | |
SU1432419A1 (ru) | Устройство дл контрол изол ции двухпроводных сетей | |
CN118033181A (zh) | 用于高压充电桩测试的防反接保护电子负载、系统及方法 | |
JPH06282778A (ja) | 防災監視装置の過電圧保護装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 14882391 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 2016569536 Country of ref document: JP Kind code of ref document: A |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
WWE | Wipo information: entry into national phase |
Ref document number: 15118655 Country of ref document: US |
|
32PN | Ep: public notification in the ep bulletin as address of the adressee cannot be established |
Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC, EPO FORM 1205N DATED 20.10.2016 |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 14882391 Country of ref document: EP Kind code of ref document: A1 |