KR100502181B1 - Hybrid flame detector having self-checking function - Google Patents

Abstract

The present invention relates to a composite flame detector having a self-diagnostic function. The present invention is characterized in that the detector body is fixed on the pedestal, the ultraviolet sensing element on the top of the front center portion of the body, the infrared sensing element is disposed on the lower end to detect the fire in the flame wavelength band, and generates experimental ultraviolet and infrared rays. .

According to the present invention, a fire detection signal is divided into a prediction detection and a real detection and sends a signal, and the fire occurrence signal can be transmitted in real time to the fire scene image confirmation and automatic fire extinguishing system in conjunction with a CCTV camera and an automatic fire extinguisher.

According to the present invention, the self-diagnosis alarm is performed by self-diagnosing the monitoring window state and operation state of a detector installed in a special area such as a position higher than 20M. It can remotely monitor the automatic diagnosis and detector position, and can check the operation status of the detector and the status of the monitoring window with the portable remote controller.

Description

Hybrid Flame Detector Having Self-Checking Function

The present invention relates to a complex flame detector having a self-diagnosis function. More specifically, a sensing element that detects a flame radiated in a fire can be combined with one ultraviolet sensing element and two infrared sensing elements (hereinafter referred to as "UV / IR2 flame detector"), or two infrared sensing elements. (Hereinafter referred to as "IR2 flame detector"), a combination of three infrared sensing elements (hereinafter referred to as "IR3 flame detector") to detect a flame and a composite flame detector having a self-diagnostic function.

The flame detector detects a change in a specific wavelength range of ultraviolet (UV) and infrared (IR) radiation emitted from a flame generated when a fire ignites, and the light detector of the flame detector detects light energy as electric energy. It is a kind of fast fire detector that detects sparks at the early stage of fire by using converted electronic characteristics.

In the prior art, the range of selectable detectors was narrow depending on the type of ultraviolet and infrared wavelengths emitted from the flame according to various combustion materials in the fire zone, and there was a problem in sensitivity and response speed, and many misreports occurred.

In addition, dust can be caught in the monitoring window, causing sensitivity to be deteriorated, which is a cause of no detection.In the fire prevention method, semiconductor plants, nuclear power plants, chemical complexes, steelworks, etc. However, since it is installed in a sensitive fire zone such as a paper mill and a large fire zone, the self-diagnostic alarm or automatic diagnostic monitoring of the detector's operation status and abnormal status can not be performed, and thus the failed detector can be left without timely repair.

In addition, there is a problem in that it is not possible to take an accurate signal in the event of a fire because it does not emit a fire signal by distinguishing a primary fire alarm (called "predictive detection") from a fire and a secondary fire alarm (called "actual detection"). .

In particular, the digital two-way communication network makes it possible to efficiently manage detectors due to the lack of a function to remotely and automatically check the operation status, monitoring window status, voltage abnormality, and communication abnormal status of all detectors in real time and to store and manage abnormal occurrence data of the detector. There is a problem that can not be automatically extinguished by interlocking with the fire extinguishing system and the image of the fire scene by capturing the fire source in the event of fire in a wide area.

According to the prior art related to the present invention according to the Republic of Korea Patent Publication No. 2003-0385758 (published date: 2003.5.17) patented this application, according to the "digital fire extinguishing system", whether the fire occurs in the temperature detector, flame detector, combustion detector, etc. The digital fire extinguishing system technology is disclosed to maintain a stable communication state using a fire detection unit and data communication to detect and to remotely monitor the disaster prevention center.

According to another prior art of the present invention Republic of Korea Utility Model Publication No. 20-0270120 (announced: 2002.3.29) according to the "housing structure of the flame detection device", the housing so that it can quickly detect the infrared rays and ultraviolet rays emitted from the flame It can easily rotate a variety of angles, and discloses the housing structure of the flame detector with the power supply line drawn through the housing side.

On the other hand, the Republic of Korea Utility Model Registration No. 20-0240326 (notice date: October 8, 2001) discloses the "fire-fighting composite flame detector" technology (see Figure 1). This technology is applied to the fire-fighting composite flame detector that detects infrared and / or ultraviolet rays generated from a flame in case of fire, so that fire information detected using a computer and RS485 communication can be notified to the fire department, along with a fire occurrence indication. 1 is a conventional fire-fighting composite flame detector circuit diagram.

As shown in Figure 1, the prior art is a microprocessor (infrared ray detecting means for detecting infrared rays from the flame generated in the fire by the infrared sensor 1 and ultraviolet sensing means for detecting the ultraviolet light with the ultraviolet sensor 2). 3 is connected to an input terminal of the microprocessor 3, and another input terminal of the microprocessor 3 is connected to an EEPROM 4 which stores a communication program, a communication ID and a driving program of the microprocessor 3, and the microprocessor 3 ) Is connected to the fire receiving panel 6 through the relay driver 5, a display unit 7 for indicating power input and fire occurrence, and a communication interface 8 for transmitting a fire occurrence signal to the disaster prevention center. It is composed.

Infrared (IR) detector (1) emitted during ignition detects the output signal amplified in the first amplifier (2) and the second amplifier (3) by converting the square wave from the square wave generator (4) to a square wave (microcomputer) 10, the power supply is supplied through the trans-anchor 5, the transformer 6, and the smoothing unit 7 to make a voltage for driving the ultraviolet (UV) detecting unit (8). 8) is activated to convert the detected ultraviolet output signal into a square wave is input to the microcomputer 10 to detect a fire. The communication interface unit 12 and the memory device (EEPROM) 11 are connected to the microcomputer 10 to transmit a fire signal from the microcomputer 10 output terminal to the fire receiving terminal 15 through the relay driver 13. A fire mark is displayed on the display unit 14.

However, the above invention is a detector that detects the flame of ultraviolet 1 wavelength band and infrared 1 wavelength band when a fire occurs, and the range that can be used to classify the detector according to the type of protective object having various wavelengths emitted from the flame according to the combustion material of the fire object. There is a technical problem of fire sensitivity and misinformation as it is limited.

In addition, if it is dirty with dust (dust, oil, other dust), soot, etc. in the detector's monitoring window installed at the height of 20M or above and in special fire zone, it is possible to proactively deal with the problem of undetected or delayed detection. There is no way to remotely diagnose and monitor the location and status by detecting ID and alarm for each alarm, and there is no way to check the status and normal operation of the detector's monitoring window.

In particular, it is not possible to respond quickly in case of fire because the fire condition is not distinguished between fire prediction detection and real detection. When the flame detector detects the flame source, the CCTV camera automatically captures the fire scene by the pre-inputted automatic coordinate controller and it is impossible to check the image.The automatic fire extinguishing device is automatically aimed to release the extinguishing agent to extinguish the fire. none.

The present invention has been made to solve the problems of the prior art as described above, the object of the present invention is to provide two or more kinds of ultraviolet sensing element, infrared sensing element to select the flame detector suitable for the environment of the protective zone of the installation of the detector Combination of flame detectors to improve the speed of response and to remove false alarms (false alarms) to provide a complex flame detector with a self-diagnostic function capable of precise detection.

Another object of the present invention is a sensor installed in a location of more than 20M installation height and a special fire zone in accordance with the fire method can self-diagnose the operation state of the detector, the state of the monitoring window with a portable remote control, and at the same time ID address using digital communication technology It is to provide a composite flame detector for efficient fire control management by remote automatic diagnosis and monitoring with all inputted detectors and two-way communication network.

Another object of the present invention is to send a fire signal by distinguishing between the prediction detection and the actual detection can quickly cope with the fire, the central monitoring by automatically moving to the location of the ignition heat source detected by the detector by a pre-input automatic coordinate program The monitor in the room displays the image of the fire scene, and the automatic fire extinguishing device is automatically aimed to provide a complex flame detector that can extinguish the fire by emitting a fire extinguishing agent.

In order to achieve the object of the present invention, the present invention provides a composite flame detector comprising an ultraviolet sensing element and an infrared sensing element for receiving the flame wavelength; An ultraviolet Tron DC / DC converter for converting the ultraviolet sensing signal and an infrared signal amplifying circuit for converting the infrared sensing signal into an electrical signal and amplifying the ultraviolet signal; An operation of checking whether or not a predetermined pulse is input to the ultraviolet pulse counter and the infrared pulse counter is connected to an input terminal of a microcomputer to which a fire signal or a standby signal is input; Another input terminal of the microcomputer is connected with an EEPROM storing a communication program, a communication ID, and a driving program of the microprocessor; An output terminal of the microprocessor is connected to a fire receiving panel through a relay driving unit, a power input unit and a fire display unit to turn on and display a fire occurrence, and a communication interface unit for transmitting a fire occurrence signal to the disaster prevention center; The input pulse signal is signal-processed, and an EEPROM for storing, analyzing and controlling the operation state information history of each detector is connected to the microcomputer; In the conventional fire-fighting composite flame detector composed of a remote control transmitter for converting and processing the optical signal received from the remote control receiver to self-diagnose the monitoring window contamination state and the detector operating state, every one second during normal operation, when abnormal operation A self-diagnosis LED blinking every 0.3 seconds; A self-diagnosis display unit which blinks when the communication LED of the communication display unit is normal; A sensitivity adjustment switch for adjusting the number of pulses to adjust the sensitivity of the flame detector and a sensitivity delay switch for adjusting the response time; A communication ID switch and an RS-485 communication output unit for setting IDs to give ID addresses to all detectors so as to automatically detect and check the detector position, detection state, and communication error through a communication network; A barrier circuit that automatically self-diagnoses the state of the monitoring window and the detector operation state according to a set time, and blocks the lightning voltage, the transient voltage, and the like to protect the circuit; Self-diagnosis automatic time setting switch; And a fire receiver for receiving fire information from the relay output unit, the current output unit, and the RS485 communication output unit. The self-diagnosis automatic time setting switch is characterized in that the self-diagnosis of the operation state of the ultraviolet sensing element and the infrared sensing element is automatically set according to a set time by the user. Receiving a central control unit, an automatic coordinate controller with an automatic coordinate program input, CCTV to automatically move to the coordinates to the fire position by the signal of the automatic coordinate controller, installed between the CCTV and the automatic coordinate controller and automatic fire extinguishing device It is preferable to further include a pan tilt to aim the fire source to release the extinguishing agent to extinguish it. Preferably, the complex flame detector is used for explosion protection in chemical plants, nuclear power plants, steel mills, combustible liquids and gas handling zones. In this case, the combined flame detector is used for the internal airtightness of the detector body. It is preferable to incorporate a gasket made of rubber, and to include a non-asbestos bonding material in the front and rear joints of the enclosure. The invention uses the electric wire feeder for fire monitoring. In a fire detector used to prevent a fire accident caused by an electric arc flame caused by the fire, a first infrared ray sensing element and a second infrared ray sensing element, which receive a quantity of radiant energy radiated from an electric arc, are known. UV / IR2 flame detector composed of UV sensing element is attached to the support, converts the received radiant energy into electrical signal, and is processed by ultraviolet pulse counter, first infrared pulse counter, second infrared pulse counter, and microcomputer. Analyze and process railway, subway stations through relay output, current output and RS485 communication output. Treatment agent chamber and a central station fire detection, the detector described above, display of more than occurred in the communication error state in real time sent to each sensor on a monitor, characterized in that notification of a fire over a voice alarm.

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

FIG. 2 is a block diagram of a UV / IR2 flame detector, FIG. 3 is a block diagram of an IR2 flame detector, and FIG. 4 is a block diagram of an IR3 flame detector.

According to the combination of the sensing element for detecting the flame, Example 1 is a UV / IR2 flame detector, which is a combination of an ultraviolet sensing element for sensing one wavelength band and an infrared sensing element for sensing two wavelength bands. IR2 flame detector combined with infrared sensing element sensing three wavelength bands, Example 3 is a composite flame detector composed of IR3 detector combined with infrared sensing element sensing three wavelength bands, 4 describes an embodiment of the invention used for the electric wire feeder fire detection.

(Example 1)

FIG. 2 is a block diagram of a UV / IR2 flame detector combined with an ultraviolet sensing element for sensing one ultraviolet wavelength band and two infrared sensing elements for sensing two wavelength bands generated in a fire.

The first infrared ray sensing element 21 and the second infrared ray sensing element 22 for detecting the infrared wavelength receive the flame wavelength, and the ultraviolet ray sensing element 20 also receives the flame wavelength in the ultraviolet band, the ultraviolet Tron DC / DC In the state where the converter 40 maintains a constant voltage and starts discharging, the sensing signal in which the optical wavelength energy is converted into an electrical signal by the optoelectronic effect, and the first infrared sensing element 21 and the second infrared sensing element 22 The fine sensing signals, which receive the wavelength of the flame and convert the optical wavelength energy into electrical energy, are amplified by the first infrared signal amplification circuit 41 and the second infrared signal amplification circuit 42 to generate an ultraviolet pulse counter 46 and a first infrared pulse. It is input to the counter 47 and the second infrared pulse counter 62. The ultraviolet pulse counter 46 inputs a predetermined pulse to the program, and when the pulses predetermined by the program are input to the first infrared pulse counter 47 and the second infrared pulse counter 62, a fire signal is input. When the pulse is not input, when the standby signal is transmitted to the microcomputer 44, the EEPROM 45 stores, analyzes, and processes information history such as operation status of each detector, and is utilized in various databases.

In order to check the operation state of the detector with the portable remote control and the contamination state of the monitoring window, when the operation signal is transmitted by pressing the operation switch of the remote control transmitter 39, the remote control receiver 29 converts the signal, and the ultraviolet light lamp 23 for self-diagnosis. 280V DC voltage is applied by the UV lamp DC / AC converter 43 to generate the experimental ultraviolet light. Experimental ultraviolet light is irradiated to the first quartz glass 30 in front of the sensor for 3 seconds through the ultraviolet lamp delivery device 33 to self-diagnose the monitoring window contamination state and the detector operating state.

In addition, the experimental infrared rays generated by the driving of the self-diagnostic infrared lamp 24 are irradiated to the second quartz glass 31 and the third quartz glass 32 through the infrared lamp transmission device 34 for 3 seconds to contaminate the monitoring window. Self-diagnose operation. The pulse signal input to the microcomputer 44 is subjected to signal processing control to program control the self-diagnosis function, sensitivity adjustment setting, sensitivity time delay function, communication function, pulse operation function, display function, output function and the like.

In case of various fires, the red fire LED 26 of the fire display unit 36 lights up when the fire occurs, the power display unit 35 lights up the green power LED 25 when the power is normal, and the self-diagnosis display unit 37 is orange. The self-diagnosis LED 27 blinks every 0.3 seconds when the self-diagnosis LED 27 is in normal operation, and the communication display unit 38 blinks when the blue communication LED 28 is normal.

Sensitivity adjustment switch 48 adjusts the number of pulses to adjust the sensitivity of the flame detector, sensitivity delay switch 49 functions to adjust the response time and can be adjusted to each site conditions, communication ID switch (50) ) Assigns an ID address to all detectors and sets the ID so that the detector location, detection status, and communication status can be automatically diagnosed through the communication network.

The self-diagnosis automatic time setting switch 51 automatically self-diagnoses the state of the monitoring window and the detector operating state according to the set time, and the input power 52 is a power supplying 24V DC (± 20%) power to the detector. The barrier circuit 56 protects the circuit by blocking a lightning voltage, an instantaneous abnormal voltage, and the like.

The detection signal processed by the microcomputer 44 is transmitted to the relay output unit 53 and the current output unit 54 to output a signal capable of interlocking control of the fire detection signal with other devices. When the fire detection signal is received at the fire detection receiver 102, the movement control signal is sent from the automatic coordinate controller 103 according to the protection zone automatic coordinate program pre-input by the central control unit 100 to pantilt: control target. When a signal is input to the device 105 moving the device up and down (vertical), left and right (horizontal), the CCTV camera 104 is automatically moved to the coordinates of the fire and at the same time, the automatic fire extinguishing device is also aimed at the location of the fire extinguishing agent. Extinguish automatically by releasing.

The RS485 communication output unit 55 automatically checks the image of the fire scene and monitors the operation status, voltage abnormality, monitoring window contamination, and communication abnormality through the CRT 101 monitor of the central operator 100 through the remote two-way communication network. Inspection and Monitoring It is configured to monitor.

( Example 2)

FIG. 3 is a block diagram of an IR2 flame detector combined with an infrared sensing element for detecting two infrared wavelength bands generated in a fire. In the second embodiment, one wavelength band is combined with a sensing element for sensing two infrared wavelength bands. There is an advantage that can reduce the misreport (non-fire report) rather than the flame detector of the sensing device for detecting the. The combination of the first infrared ray sensing element 21 and the second infrared ray sensing element 22 for detecting the infrared wavelength receives the wavelength of the flame and converts the light wavelength energy into the electrical energy. 41) Amplified by the second infrared signal amplifying circuit 42 and input to the first infrared pulse counter 47 and the second infrared pulse counter 62. The first infrared pulse counter 47 and the second infrared pulse counter 62 transmit a fire signal to the microcomputer 44 when a predetermined pulse is input by a calculation program. The EEPROM 45 stores, analyzes, and processes information history such as operation status of each detector, and is utilized as various databases.

In order to check the operation state of the detector with a portable remote controller and the contamination state of the monitoring window on the front of the detector, when an operation signal is transmitted by pressing an operation switch of the remote control transmitter 39, the remote control receiver 29 converts the signal to the first magnetic device. The diagnostic infrared lamp 24 and the second self-diagnostic infrared lamp 61 are operated to generate an experimental infrared light, and thus, the first quartz is transmitted through the first infrared lamp delivery device 34 and the second infrared lamp delivery device 60. Experimental infrared radiation is irradiated to the glass 30 and the second quartz glass 31 for 3 seconds to self-diagnose the monitoring window contamination state and the detector operating state. The pulse signal input to the microcomputer 44 is signal processing controlled to program control the self-diagnosis function, sensitivity adjustment setting, sensitivity time delay function, communication function, pulse operation function, display function, output function, and the like. The various display units turn on the red fire LED 26 of the fire display unit 36 when a fire occurs, the power display unit 35 turns on the green power LED 25 when the power is normal, and the self-diagnosis display unit 37 is orange. The self-diagnosis LED 27 blinks every 0.3 seconds when the self-diagnosis LED 27 is in normal operation, and the communication display unit 38 blinks when the blue communication LED 28 is normal.

Sensitivity adjustment switch 48 adjusts the number of pulses to adjust the sensitivity of the flame detector, the sensitivity delay switch 49 functions to adjust the response time can be adjusted according to the detector installation environment, communication ID switch ( 50) assigns an ID address to all detectors and sets the ID so that the detector location, detection status, and communication status can be automatically diagnosed and checked through the communication network. The self-diagnosis automatic time setting switch 51 automatically diagnoses the state of the monitoring window and the detector operating state according to the set time.

Input power 52 is a power supply for supplying 24V DC (± 20%) power to the detector, the barrier circuit (56) protects the circuit by blocking the lightning voltage, instantaneous abnormal voltage, and the like.

The detection signal processed by the microcomputer 44 is transmitted to the relay output unit 53 and the current output unit 54 to output a signal for interlocking control of the fire detection signal with other devices.

 Upon receiving the fire occurrence signal from the fire receiver 102, the movement control signal is sent from the automatic coordinate controller 103 according to the protection zone automatic coordinate program pre-input by the central operator 100, and the signal is transmitted to the pan tilt 105. When input, CCTV camera 104 is automatically moved to the coordinates of the fire and at the same time automatic fire extinguishing fire by extinguishing the fire extinguishing agent by aiming the fire location.

The RS485 communication output unit 55 automatically monitors the image of the fire site through the CRT 101 monitor of the central operator 100, and automatically diagnoses the operation status, voltage abnormality, monitoring window contamination, and communication abnormality to the remote two-way communication network. It is configured for inspection and monitoring.

(Example 3)

4 is an IR3 flame detector configuration block combined with infrared sensing elements sensing three infrared wavelength bands. It is characterized in that it is combined with three infrared sensing elements than Example 2 and installed in the protection area which should detect infrared flame precisely.

The first infrared ray sensing element 21, the second infrared ray sensing element 22, and the third infrared ray sensing element 72, which detect infrared wavelength bands in the event of a fire, receive the wavelength of the flame and convert the light wavelength energy into electrical energy. The detection signals are amplified by the first infrared signal amplification circuit 41, the second infrared signal amplification circuit 42, and the third infrared signal amplification circuit 73, so that the first infrared pulse counter 47 and the second infrared pulse counter are 62 and the third infrared pulse counter 74 are input. The first infrared pulse counter 47, the second infrared pulse counter 62, and the third infrared pulse counter 74 receive a fire signal when a pulse determined by a calculation program input in advance is input. The standby state signal is transmitted to the microcomputer 44. EEPROM (45) is stored in the operating state information history of each detector, the program is stored and utilized in various databases.

In order to check the operation status of the detector and the monitoring window contamination by the portable remote controller, when the operation signal is transmitted by pressing the operation switch of the remote control transmitter 39, the remote control receiver 29 converts and processes the signal, and the first magnetic diagnostic infrared lamp 24, the second self-diagnostic infrared lamp 61 and the third self-diagnostic infrared lamp 75 are operated to generate the experimental infrared light so that the first infrared lamp delivery device 34, the second infrared lamp delivery device 60 And infrared radiation for 3 seconds by irradiating the first quartz glass 30, the second quartz glass 31, and the third quartz glass 32 for 3 seconds through the third infrared lamp delivery device 70. Self-diagnosis

The pulse signal input to the microcomputer 44 is signal processed to program control the self-diagnosis function, sensitivity adjustment setting, sensitivity time delay function, communication function, pulse operation function, display function, output function, and the like.

In the various display units, the red fire LED 26 of the fire display unit 36 lights up when a fire occurs, and the green power LED 25 lights up when the power source is normal.

The self-diagnosis display unit 37 blinks every 1 second when the orange self-diagnosis LED 27 is normal, and every 0.3 seconds when abnormal. The communication display unit 38 blinks when the blue communication LED 28 is normal. do. The sensitivity adjustment switch 48 adjusts the number of pulses to adjust the sensitivity of the flame detector, and the sensitivity delay switch 49 functions to adjust the response time so that the sensor can be adjusted to the installation environment. The communication ID switch 50 sets ID so that all detectors can be automatically diagnosed and checked through the communication network by providing ID addresses to the detector positions, detection states, and communication errors.

The self-diagnosis automatic time setting switch 51 automatically diagnoses the state of the monitoring window and the detector operating state according to the set time.

The input power supply 52 supplies 24V DC (± 20%) power to the detector, and the barrier circuit (56) protects the circuit by blocking a lightning voltage and a transient voltage.

The detection signal processed by the microcomputer 44 is transmitted to the relay output unit 53 and the current output unit 54 to output a signal for interlocking control of the fire detection signal with other devices.

When the fire receiving signal is received by the fire receiver 102, the movement control signal is sent from the automatic coordinate controller 103 according to the protection zone automatic coordinate program pre-input by the central operator 100, and the pan tilt 105 signal is generated. When the CCTV camera 104 is automatically moved to the coordinates of the fire occurs at the same time the automatic fire extinguishing device is also aimed at the location of the fire to extinguish the extinguishing agent to automatically extinguish.

Automatic diagnosis inspection and monitoring of the fire scene through the CRT (101) monitor of the central control unit (100) by RS485 communication output unit (55) through the remote interactive communication network It is configured to be monitored.

(Example 4)

In the fourth embodiment of the present invention, when the flame detector is used for fire monitoring of an electric railway feeder line, when a plurality of flame detectors are installed on each side of the rail tower support of a train line by section, it detects this in real time when an arc flame discharge occurs in the feeder. Fire detection, detector error, and communication error status are transmitted to each sensor in real time to the control room and central control station of the relevant railway and subway stations. Can be.

FIG. 5 is a diagram in which the UV / IR 2 flame detector according to the present invention is applied for fire monitoring of an electric railway feed line, and FIG. 6 is an electric circuit block diagram showing the signal flow of FIG. 5. As shown in FIG. 5, in order to prevent a fire accident due to an electric arc spark generated due to the contact of the processing feeder 110 and the current collector (panda graph: 120) while the electric railway 100 is running, the electric arc The UV / IR2 flame detector 130 comprising the first infrared ray sensing element 21, the second infrared ray sensing element 22, and the ultraviolet ray sensing element 20 to receive the amount of radiant energy emitted from the electricity and the received radiation energy Convert to a signal.

Subsequently, the ultraviolet pulse counter 46 of FIG. 2, the first infrared pulse counter 47, the second infrared pulse counter 62, and the microcomputer 44 are analyzed to relay the output 53 and the current output 54. ), Through the RS485 communication output unit 55 to the control room and the central control station of the railway, subway station, the fire detection, detector error, communication error status is transmitted in real time to each detector to display the location of the error occurrence on the monitor, voice alarm The fire failure is notified to the disaster prevention center.

The operation of FIG. 6 will be described. The fire detection signal detected by the UV / IR2 flame detector 130 attached to the support installed on the pylon or railroad side of the train through the relay output unit 53, current output unit 54, RS485 communication output unit 55 When the signal is transmitted to the microcomputer 44 of the disaster prevention center that controls the operation, the signal is modulated into a wireless signal by the detection signal modulator 200 and then transmitted to the wireless transmitting module 220 and received by the wireless receiving module 230. The signal is processed by the display module 250 via the signal converter 240. Maintaining a stable communication state using data communication that can be remotely monitored in the disaster prevention center, and the monitoring unit 300 displays the detector position, detection state, communication state, etc. on the monitor with a graphic or alarm sound to feed the electric railway Can monitor and control fire.

7 is a front view of the product of the present invention, Figure 8 is a cross-sectional view of the explosion-proof flame detector. According to Figure 7, the present invention is fixed to the body 400 on the pedestal 500, the front of the body 400 has a UV detector 20 in the upper center and infrared detectors 21, 22 are disposed at the lower end Detects fire in the flame wavelength range and generates experimental ultraviolet and infrared rays.

The green LED 25 is always turned on after the power is connected by a power lamp, and the red LED 26 is turned on upon detecting a fire and is always turned on until the power is turned on again. The blue LED 28 is a communication LED and blinks upon communication. Reference numeral 29 is a transmission window of the remote control light receiving unit, and when the self-diagnostic function (remote test) ultraviolet light and ultraviolet light is the same signal (5 seconds to 10 seconds) in normal operation, the orange LED blinks once every second. Orange LED blinks once every 0.3 seconds.

In general, the cause of abnormality in the self-diagnosis is when a foreign matter occurs in the transmission window or an error occurs in the sensor.

8 is a cross-sectional view when the composite flame detector of the present invention is used as an explosion proof type.

In the cross section of the detector body 400, rubber gaskets 401 and 402 are embedded for internal hermetic sealing, and the front and rear joints 403 of the enclosure contain a non-asbestos bonding material.

When the flame detectors of Examples 1 to 3 are used for explosion protection in chemical plants, nuclear power plants, steel mills, flammable liquids, and gas handling zones, they are packed with an internal protective airtight gasket (401: gasket, packing), and the detector enclosure. The front and rear junctions 403 of the gasket is packed with a rubber material, it is preferable to use a non-asbestos bonding material gasket in order to prevent the rubber from being broken by the chemical reaction.

Not limited to this embodiment of the present invention, the composite flame detector can be applied to various fields. If there is practice by design change, replacement or addition by one of ordinary skill in the art without departing from the gist of the present invention, it shall be regarded as belonging to the present invention if it falls within the scope of the appended claims. do.

As described above, according to the present invention, the detector operation state, the monitoring window pollution state, communication error, detector position check, fire state, etc., all automatic detection and bidirectional remote diagnosis with ID address using the digital communication technology As it can check and monitor, it provides efficient fire control, and it is possible to respond to fire promptly by sending signals by dividing fire condition into fire prediction detection and real detection.

In addition, it is possible to selectively use the detector according to the use of the protection zone, the object to be protected, and the kind of the flame wavelength radiated from the combustion material, so that it can be detected precisely by reducing the misreport (non-fire report). It is a detector installed in the location and special fire zone, and the operation status of the detector and the contamination status of the monitoring window can be easily checked with the portable remote controller.

In particular, CCTV cameras and automatic fire extinguishing devices installed in the protection area have the effect of automatically detecting and extinguishing the fire scene with images by automatically moving and capturing the location of the ignition heat source detected by the detector by a pre-inputted auto coordinate program. .

When the flame detector of the present invention is used for the monitoring of the feeder line of an electric railway, a plurality of sections are installed on the upper sides of the support lines for each section to detect fires generated by arc discharge and to detect the position of the detector, the detection state, the communication state, and the like. By displaying on the monitor, it is possible to monitor and control the fire of the feeder line of the electric railway, so that large accidents of the electric railway can be prevented in advance.

1 is a conventional fire-fighting composite flame detector circuit diagram,

2 is a block diagram of the UV / IR2 flame detector electric circuit of the present invention;

3 is a block diagram of the IR2 flame detector electric circuit of the present invention;

4 is a block diagram of an IR3 flame detector electrical circuit of the present invention.

Figure 5 is a perspective view when using the present invention for electric rail feed line fire detection.

6 is a block diagram illustrating a signal flow diagram of FIG. 5.

Figure 7 is an embodiment front view showing the exterior of the product of the present invention.

8 is a cross-sectional view when using the explosion-proof Figure 7;

<Description of Symbols for Major Parts of Drawings>

1: infrared detection unit 8: UV detection unit

10: microcomputer 12: communication interface unit

20: ultraviolet sensing element 21: first infrared sensing element

40: ultraviolet Tron DC / DC converter 41: the first infrared signal amplifier circuit

44: MICOM 47: the first infrared pulse counter

48: sensitivity control switch 55: RS 485 communication output unit

110: feeder line 120: panda graph

400: detector body 500: pedestal

Claims (9)

 A combined flame detector comprising an ultraviolet sensing element and an infrared sensing element for receiving the flame wavelength; An ultraviolet Tron DC / DC converter for converting the ultraviolet sensing signal and an infrared signal amplifying circuit for converting the infrared sensing signal into an electrical signal and amplifying the ultraviolet signal; An operation of checking whether or not a predetermined pulse is input to the ultraviolet pulse counter and the infrared pulse counter is connected to an input terminal of a microcomputer to which a fire signal or a standby signal is input; Another input terminal of the microcomputer is connected with an EEPROM storing a communication program, a communication ID, and a driving program of the microprocessor; An output terminal of the microprocessor is connected to a fire receiving panel through a relay driving unit, a power input unit and a fire display unit to turn on and display a fire occurrence, and a communication interface unit for transmitting a fire occurrence signal to the disaster prevention center; The input pulse signal is signal-processed, and an EEPROM for storing, analyzing and controlling the operation state information history of each detector is connected to the microcomputer; In the conventional fire-fighting composite flame detector comprising a remote control transmitter for converting the optical signal received from the remote control light receiving unit to self-diagnose the monitoring window contamination state and the detector operating state, A self-diagnostic LED 27 that blinks every 1 second in normal operation and every 0.3 seconds in abnormal operation; A self-diagnosis display unit 37 which blinks when the communication LED 28 of the communication display unit 38 is normal; A sensitivity delay switch 48 for adjusting the number of pulses to adjust the sensitivity of the flame detector and a sensitivity delay switch 49 for adjusting the response time; A communication ID switch (50) and an RS-485 communication (55) output unit for setting an ID to give ID addresses to all detectors so as to automatically detect and check a detector position, a detection state, and a communication error through a communication network; A barrier circuit 56 which automatically self-diagnoses the state of the monitoring window and the detector operating state according to a set time, and protects the circuit by blocking a lightning voltage, an abnormal abnormal voltage, and the like; A self-diagnosis automatic time setting switch 51; And a fire receiver (102) for receiving fire information from the relay output unit (53), the current output unit (54) and the RS485 communication output unit (55). delete  The method of claim 1, wherein the self-diagnosis automatic time setting switch 51 sets an operation state of the ultraviolet sensing element and the infrared sensing element and automatically self-diagnoses according to a set time. Combined flame detector with self-diagnosis.  The method according to claim 1, wherein the fire generating signal is received from the fire receiver (102) and the central controller (100), the automatic coordinate controller (103) into which the automatic coordinate program is input, and the signal of the automatic coordinate controller (103). By the CCTV 104 and the CCTV 104 and the automatic coordinate controller 103 to automatically move to the coordinates to the fire position by aiming the fire source with the automatic fire extinguishing device 106 to discharge the extinguishing agent to extinguish Complex flame detector having a self-diagnostic function, characterized in that it further comprises a pan tilt (105). delete delete delete  2. The composite flame detector according to claim 1, wherein the composite flame detector incorporates rubber gaskets (401, 402) for internal airtightness of the detector body (400), and the front and rear joints (403) of the enclosure contain a non-asbestos bonding material. A composite flame detector having a self-diagnosis function.  An invention using the invention of claim 1 for fire monitoring of an electric railway feed line, wherein the fire detector is used to prevent a fire accident caused by an electric arc flame caused by contact with a processing feeder and a panda graph while the electric railway is running. , UV / IR2 flame detector 130 composed of a known first infrared ray sensing element 21, a second infrared ray sensing element 22, and a known ultraviolet ray sensing element 20 to receive the amount of radiant energy radiated from the electric arc. ) Is attached to the support, and the received radiant energy is converted into an electrical signal, and the ultraviolet pulse counter 46, the first infrared pulse counter 47, the second infrared pulse counter 62, and the microcomputer 44 Analyze and detect the fire detection, sensor abnormality, and communication abnormality through the relay output unit 53, current output unit 54, and RS485 communication output unit 56 to the control room and central control station of the corresponding railway and subway station. A composite flame detector with a self-diagnosis function that transmits in real time to each keeper and displays the location of the fault on the monitor and notifies the fire by voice alarm.