KR100600082B1 - Fire alarm system and the control method with moving picture apparatus - Google Patents

Abstract

The present invention relates to a fire detection and alarm device of a railway vehicle, and more particularly, by having an image acquisition device interlocked with a fire detection device installed in each room, the detection level of temperature or smoke in the room exceeds a certain range. The present invention relates to a fire detection device and a method of controlling the same, in which a fire alarm is generated by detecting a fire alarm and a fire alarm is detected in the cabin. .

In the fire detection device to which the image device of the present invention is added, the fire detection unit detects temperature and smoke concentration and outputs a detection signal for this, the voice communication unit transmits and receives an audio signal together with the emergency call signal, and the image acquisition unit detects the fire. The image of the area and the area where the emergency call signal is transmitted, and the monitoring unit interlocks the fire detection unit and the voice communication unit with the image acquisition unit to receive and output the image of the fire occurrence area and the transmission area of the emergency call signal. The image processing unit converts an analog image signal into a digital image signal, and the switching unit outputs the image signal output from the image acquisition unit to the image processing unit.

Railroad cars, fire detection, CCTV, video equipment, fire detection

Description

Fire Alarm System and Control Method with Imaging Device {Fire Alarm System and the Control Method with Moving Picture Apparatus}

1 is a block diagram showing a fire detection apparatus for a conventional railway vehicle,

2A is a block diagram showing a fire detection apparatus to which an image device is added according to the present invention;

Figure 2b is an exemplary view showing the arrangement of each component in the cabin in the fire detection device to which the image device according to the present invention,

3A is a diagram illustrating a main screen displayed in a fire detection apparatus to which an image device is added according to the present invention;

3b is a view illustrating a fire detection state on a main screen of a fire detection device to which an imaging device is added according to the present invention;

3c is a view showing a room situation display screen displaying a fire detection level in a room in a fire detection apparatus to which an image device is added according to the present invention;

3D is a view showing a screen for outputting an image of the interior of a room in a fire detection apparatus to which an image device is added according to the present invention;

4 is a flowchart illustrating a driving step of a monitoring unit in a fire detection method to which an image device is added according to the present invention;

FIG. 5 is a flowchart illustrating steps of receiving and warning an emergency audio signal of a monitoring unit in a fire detection method to which an image device is added according to the present invention; FIG.

6 is a flowchart illustrating a driving step of the switching unit in the fire detection method to which the image device according to the present invention is added.

* Description of the symbols for the main parts of the drawings *

10: cab 11: monitoring unit

12: image processing unit 13: communication unit

14: Main screen 15: Room status display screen

16: room video output screen 20: the first room

21: voice communication unit 22: switching unit

23: image acquisition unit 24: fire detection unit

30: second room 40: fourth room

N: N Room 111: Level Compute Module

112: image acquisition control module 113: display module

114: warning module 211: first voice communication means

212: second voice communication means 231: first image acquisition means

232: second image acquisition means 241: first fire detection means

242: second fire detection means 243: third fire detection means

244 fourth fire detection means

The present invention relates to a fire detection and alarm device of a railway vehicle, and more particularly, by having an image acquisition device interlocked with a fire detection device installed in each room, the detection level of temperature or smoke in the room exceeds a certain range. The present invention relates to a fire detection device and a method for detecting a fire alarm and generating a fire alarm, and adding a video device capable of swiftly dealing with a malfunction of the fire alarm by checking the location of the detected fire in the cabin.

In general, a train or a railroad is connected to a driver's cab, and many passengers are connected to the cab. Is so severe that each safety device is installed. The conventional fire safety detection device for a railway vehicle is as shown in FIG. 1.

1 is a block diagram showing a conventional fire detection apparatus for a railway vehicle.

Referring to FIG. 1, the conventional fire detection apparatus for a railway vehicle includes a monitoring unit 1a for determining whether a fire is detected in a cabin and displaying it, and a sensor unit 2c for detecting temperature or smoke concentration in the cabin, In each cabin, the voice communication unit 2b for emergency communication with the cab 1, the detection signal detected by the sensor unit 2c and the emergency voice signal of the voice communication unit 2b are sent to the monitoring unit 1a. It includes a switching unit 2a for transmitting.

The monitoring unit 1a is installed in the driver's cab 1 in which the driver of the corresponding railway vehicle is boarded, and the switching unit 2a is connected to the monitoring unit 1a in the first cabin 2 in which the passenger is boarded. The voice communication unit 2b and the sensor unit 2c are connected to the switching unit 2a.

The second rooms 3 to N rooms N include the same configuration as that of the first rooms 2, respectively, and the switching units 2a provided in the second to N rooms 3 to N, respectively. Is sequentially connected to the switching unit 2a of the first cabin 2 to the N-1 room located in the forward order based on the cab 1.

Therefore, in order to receive the fire detection signals of the first rooms 2 to the N rooms N, the monitoring unit 1a operates each switching unit 2a through a predetermined address set in the switching unit 2a in each room. By calling the temperature or smoke concentration detection signal in the room.

Therefore, the switching unit 2a called by the monitoring unit 11 turns on the sensor unit 2c by applying a predetermined power, and at this time, the sensing signal output from the sensor unit 2c is monitored. )

Accordingly, the monitoring unit 1a calculates the received detection signal and converts the detected detection signal to a level having a predetermined value. When the monitoring unit 1a exceeds a predetermined range, the alarm 1a alerts that a fire has occurred in the cabin. Therefore, the driver in the cab 1 recognizes this and takes follow-up measures along with the reporting of the fire occurrence in the cabin through the emergency contact network.

However, such a conventional railway vehicle fire detection device generates an alarm when heat or smoke exceeding a reference level set by any one of the sensors distributed in a predetermined position in each cabin is detected. When the driver detects the malfunction or the emergency call of the passenger through the voice communication unit installed in the cabin due to the frequent occurrence of malfunction due to sensor failure, etc. based on the signal detected by the sensor In other words, it is difficult to pinpoint the exact situation or the time is late, so it is necessary to promptly deal with the situation.

The present invention has been made to solve the conventional problems as described above, and an object of the present invention is to provide an image device in each room to output a video in the cabin received a fire detection or emergency voice call signal from the cab. The present invention provides a fire detection apparatus and method in which an imaging apparatus is added so that a driver can accurately recognize a situation and can quickly cope with an emergency.

Another object of the present invention, if any one of the plurality of fire detection means installed in the room detects a fire, and compares the output signal of the other adjacent fire detection means to issue a fire alarm if both are the same within a certain range, It is provided with an image device so as to interlock with the corresponding fire detection means to photograph the area where the fire is detected and output it to the cab to determine whether the fire detection device is malfunctioning.

According to another object of the present invention, when an emergency call signal is received from a certain room by interlocking an emergency voice communication unit installed in a room with an image device, the corresponding emergency voice communication unit is photographed and output to the cab according to an emergency situation in the room. To allow for quick action.

The present invention includes the following examples in order to achieve the above object.

According to a first embodiment of the present invention, the fire detection apparatus of the present invention, the fire detection device of a railway vehicle consisting of a plurality of rooms sequentially connected to the cab, the fire detection device is a monitoring unit and the cab; And an image processor and a communication unit, and a voice communication unit, an image acquisition unit, and a switching unit, respectively, for each room sequentially connected to the cab, wherein the fire detector detects temperature and smoke concentration and outputs a detection signal for the same. The voice communication unit transmits and receives a voice signal together with the emergency call signal, and the image acquisition unit interlocks with the fire detection unit and the voice communication unit to capture an image of an area where a fire is detected and an area where an emergency call signal is transmitted, The monitoring unit compares the fire detection signal transmitted from the fire detection unit with a reference value to determine a fire occurrence and displays the table. And the fire detection unit and the voice communication unit are interlocked with the image acquisition unit to control the image of the fire occurrence area and the transmission area of the emergency call signal and receive and output the image, and the image processing unit receives the image. Converts the signal into a digital video signal and outputs the signal to the monitoring unit, and the switching unit transmits the fire detection signal of the fire detection unit and the emergency call signal of the voice communication unit to the monitoring unit according to the call signal output from the monitoring unit. And outputting an image signal driven and outputted by the image acquisition unit according to the image acquisition control signal of the monitoring unit.

According to a second embodiment of the present invention, the fire detection apparatus of the present invention, in the first embodiment, the monitoring unit and the temperature of the area detected by the detection signal of the plurality of fire detection means included in the fire detection unit; A level calculation module for outputting a fire occurrence signal by comparing the smoke concentration with a set reference value; A display module for displaying the temperature and the smoke concentration calculated by the level calculation module for each fire detection means, and outputting an image signal applied from the image processor to a display; An image acquisition control module configured to drive the image acquisition unit to capture an image of an area in which the fire detection unit detecting the fire is installed when the fire occurs in the level calculation module; When the fire occurrence signal is applied from the level calculation module, the display module represented by the display module includes a warning module for alarming the fire occurrence through a screen for displaying the area in which each fire detection means is installed.

According to a third embodiment of the present invention, the fire detection apparatus of the present invention, in the second embodiment, the image acquisition unit includes at least one or more image acquisition means, the image acquisition means is the at least one or more fire detection The means and the voice communication unit are interlocked with at least one voice communication unit, respectively, and are installed so as to be directed toward an area in which the associated fire detection means and the voice communication means are installed.

According to the fourth embodiment of the present invention, the fire detection apparatus of the present invention, in the third embodiment, when the fire detection device receives an alarm signal including a fire occurrence from the warning module, and transmits it as a wireless signal The communication unit further comprises.

According to a fifth embodiment of the present invention, a fire detection method of the present invention comprises a cab for controlling a vehicle by a driver operating a vehicle, and a fire of a railway vehicle including a plurality of cabins sequentially connected to the cab. The sensing method includes a power-on step of applying power from a power supply of the vehicle; A switching unit calling step of sequentially calling switching units in each room for a predetermined time; A sensing level calculation step of receiving a sensing signal through the called switching unit, calculating a sensing signal of temperature and concentration, and calculating the sensing signal at a level displayed as a predetermined value; A fire detection step of determining whether a fire has occurred by comparing the calculated detection level with a set reference value; An alarm step of displaying a corresponding room and alarming the occurrence of a fire; An image acquisition control step of controlling image photographing of a region where a fire is detected; Receiving and outputting the image of the fire detection area of the room and outputs it.

According to a sixth embodiment of the present invention, the fire detection method of the present invention, in the fifth embodiment, if the result of the temperature and smoke concentration calculated in the level calculation step exceeds the set value, It is determined that a fire has occurred only when a detection signal of at least one other fire detection means adjacent to the fire detection means in which the corresponding detection signal is output exceeds a reference value.

According to the seventh embodiment of the present invention, the fire detection method of the present invention, in the sixth embodiment, if the alarm step is determined that the fire occurred in the fire detection step, the identification code of the vehicle as a wireless signal Send a fire signal with

According to an eighth embodiment of the present invention, in the fire detection method of the present invention, in the seventh embodiment, the image acquisition control step is a unique code of the image acquisition means interlocked with the fire detection means for detecting the fire occurrence And outputs the drive control signal of the image acquisition means having the identified unique code to the corresponding cabin.

According to a ninth embodiment of the present invention, the fire detection method of the present invention, in the fifth embodiment, the fire detection method further comprises the step of receiving an emergency voice signal, the step of receiving the emergency voice signal is a power source The power-on step is applied, and the emergency communication receiving step of receiving an emergency call signal by determining whether an emergency call signal has been generated in the corresponding room by sequentially calling a plurality of rooms sequentially connected to the cab, and the corresponding room And an image acquisition control step of transmitting a control signal for acquiring an image of the area where the emergency call signal is received, and an image output step of outputting an image of the area where the emergency call signal is transmitted in the corresponding cabin.

According to a tenth embodiment of the present invention, in the fire detection method of the present invention, in the ninth embodiment, the image output step checks the unique code of the voice communication means in the corresponding room where the emergency call signal is received and interlocks with it. Outputs a drive control signal of the image acquisition means to receive an image of an area in which the audio communication means is installed;

According to an eleventh embodiment of the present invention, the fire detection method of the present invention, in any one of the fifth to tenth embodiments, the fire detection method further comprises a driving step of the switching unit, the driving step of the switching unit The standby state before the system is turned on and the separate signal is received, the call signal receiving step of receiving a predetermined signal received by the monitoring unit of the cab, and the address of the call signal received from the monitoring unit An address checking step of determining whether it is included, a step of receiving a fire detection signal in the cabin, and a fire detection signal transmitting step of transmitting the received fire detection signal to the monitoring unit of the cab if its address is included; Include.

According to a twelfth embodiment of the present invention, in the fire detection method of the present invention, in the eleventh embodiment, the fire detection method includes an image acquisition control signal if the switching unit includes its own address in the address checking step. An image acquisition control determination step of determining whether the image acquisition control signal is received; and an image acquisition control signal when the image acquisition control signal is received in the image acquisition control determination step, an image of turning on the image acquisition means by applying power to the image acquisition means having the received unique code; And acquiring a driving control step and outputting a received video signal to a cab.

Hereinafter, a preferred embodiment of a fire detection apparatus and a control method to which an image device is added according to the present invention will be described in detail with reference to the accompanying drawings.

Figure 2a is a block diagram showing a fire detection device to which the imaging device is added according to the present invention, Figure 2b is an exemplary view showing the layout of each component in the cabin of the fire detection device to which the imaging device according to the present invention is added.

2A and 2B, a fire detection apparatus to which an image device is added according to the present invention includes a monitoring unit 11 for generating an image and a fire alarm in each room, and an analog signal transmitted in each room. The image processing unit 12 converts the signal to the monitoring unit 11 and outputs it to the monitoring unit 11, the communication unit 13 transmitting the fire and emergency signals of the vehicle, and the image acquisition unit 23 according to the control signal of the monitoring unit 11. Switching unit 22 for applying power to the power supply, a fire detection unit 24 for detecting the temperature and smoke concentration in the room, the voice communication unit 21 for transmitting and receiving emergency calls and voice signals in the room, and inside the room It includes an image acquisition unit 23 for photographing and transmitting it.

The monitoring unit 11 receives a fire detection signal in each room, calculates it to a predetermined level, compares it with a set standard, and alarms when a detection signal in the corresponding room exceeds the reference value, and outputs an image in the corresponding room. . In this configuration, the monitoring unit 11 calculates a detection signal output from the fire detection unit 24 as a predetermined value and compares with a set reference value to determine whether a fire occurs, and the level calculation module 111 The image acquisition unit 23 is driven to the fire detection unit 24 and the voice communication unit 21 so that the image acquisition unit 23 is interlocked according to each unique code to photograph the fire detection and emergency call area. An image acquisition control module 112 for outputting a control signal, a display module 113 for outputting an image signal applied from the image processor 12 on a display, an alarm on the display, a vehicle number and an alarm Warning module 114 for outputting an emergency alarm signal including the situation.

The communication unit 13 wirelessly transmits an alarm signal applied from the warning module 114 of the monitoring unit 11 to the central control room for instructing railway vehicles for each route.

The switching unit 22 applies power to the image acquisition unit 23 under the control of the monitoring unit 11 including its own address including the unique address, and turns on the received image acquisition unit. The output signal of 23 is output to the image processor 12. In addition, the switching unit 22 transmits a transmission / reception signal of both sides to make an emergency call between the cab 10 and the cabins 20 to N as the voice signal between the monitoring unit 11 and the voice communication unit 21 is relayed. It serves to convey.

The voice communication unit 21 includes first and second voice communication means 211 and 212, wherein the first and second voice communication means 211 and 212 allow a passenger to transmit and receive a voice signal together with an emergency call signal. The fire detection unit 24 includes, for example, first to fourth fire detection means 241 to 244, wherein each of the fire detection means 241 to 244 is supplied with power to the system. It is turned on and constantly detects a fire in the cabin and outputs it to the switching unit 22. The first to fourth fire detection means (241 to 244) is preferably configured as a sensor for detecting the smoke concentration and temperature, the first and second voice communication means (211, 212) communication between the cab and the cabin As an emergency telephone, for example, an emergency interphone.

In addition, the first to fourth fire detection means (241 to 244) and the first and second voice communication means (211, 212) each have a unique code, so that the monitoring at the time of transmitting a detection signal or transmission and reception of a voice signal The section 11 includes the corresponding code so as to identify itself and outputs it.

The image acquisition unit 23 includes, for example, first to second image acquisition means 231 and 232, wherein the first to second image acquisition means 231 and 232 are assigned unique codes, respectively. As the video signal is included in the video signal and transmitted, the image acquisition unit 12 and the monitoring unit 11 may receive the corresponding video acquisition means.

Therefore, the image acquisition control module 112 of the monitoring unit 11 according to the codes of the fire detection means (241 ~ 244) and the voice communication means (211, 212) for each room, the image acquisition means (231, 232). For example, the first image acquisition means 231 may include the third and fourth fire detection means 243 and 244, and the second image acquisition means 232 may include the first and second fire detection means 241 and 242. When the fire detection signal is received from the corresponding fire detection means 241 to 244, the first or second image acquisition means 231 and 232 linked thereto are turned on, and the fire detection means 241 to 244 are turned on. Shooting the installed area or the first voice communication means 211 is linked to the second image acquisition means 231, the first voice communication means 212 is the first image acquisition means 232, respectively, the first or the first 2 When an emergency call signal is generated from the voice communication means 212, the area where the corresponding first or second voice communication means 211 and 212 are installed is photographed. Here, the first and second image acquisition means 231 and 232 preferably employ a CC camera.

The present invention includes the configuration as described above is mounted on the railroad car that the driver's cab 10 operating the vehicle and a plurality of cabins in which passengers are boarded in order, the monitoring unit 11, the communication unit ( 13 and the image processing unit 12 are disposed in the cab 10 of the railway vehicle, the switching unit 22, the voice communication unit 21, the fire detection unit 24 and the image acquisition unit 23 is the cab ( 10 are respectively installed in the first to N rooms 20 to N connected sequentially. Here, the switching unit 22 of the first cabin 20 may include a monitoring unit 11 and a voice of the first cabin 20, respectively, connected to the communication unit 13 and the image processing unit 12 of the cab 10. It is connected to the communication unit 21, the fire detection unit 24, the image acquisition unit 23, respectively. In addition, the image processor 12 is connected to the switching unit 22 of the first room 20 and the monitoring unit 11 at the same time.

In addition, the switching units 22 of the second to N rooms 30 to N are connected to each other by connecting the switching unit 22 installed in the preceding room and the switching unit 22 installed in the subsequent room. Is received through the front switching unit 22, and the fire detection signal, the video signal, the voice communication signal in its own room and each signal transmitted from the switching unit 22 in the rear of the cabin in the forward switching unit ( 22). In addition, the configuration of each room is the same as the first room 20 shown in the drawings and the description thereof is omitted.

In addition, the first to N-rooms 20 to N arrange each component as shown in FIG. 2B. The first to fourth fire detection means 241 to 244 are arranged to detect the entire room at a predetermined interval inside the room, and the first and second voice communication means 211 to one side and the other end of the room, respectively. 212 is disposed at one end and the other end of the cabin, respectively, the first and second image acquisition means (231, 232) are set to interlock, respectively, fire detection means (241 ~ 244) and voice communication means (211, 212) It is preferable to set at a position that can direct. For example, the first image acquiring means 231 may have a height and a position capable of capturing a predetermined region in which the third and fourth fire detection means 243 and 244 and the second voice communication means 212 are interlocked. And a rotation range that can be directed, and the second image acquisition means 232 is provided with the first and second fire detection means 241 and 242 and the first voice communication means 211 interlocked with each other. It is installed considering the height, position, and rotation range to photograph a certain area.

Detailed operation of the fire detection apparatus to which the image processing apparatus according to the present invention is added will be described in detail with reference to FIGS. 3A to 6.

Figure 3a is a view showing a main screen displayed on the fire detection device to which the image device is added according to the present invention, Figure 3b is a view showing a fire detection state on the main screen of the fire detection device to which the image device is added according to the present invention. .

Referring to FIGS. 3A and 3B, the main screen 14 displayed by the monitoring unit 11 is an “operation” icon for setting on / off of a fire detection device of a vehicle and “for setting on / off generation of an alarm sound”. Alarm window icon and "operation mode" icon for setting the current vehicle driving status, and the icon window including an index unit for distinguishing the alarm signal according to the color of each display window (141), the current occurrence of fire and emergency call of the vehicle An emergency situation display window 142 for indicating whether or not to occur, and the occurrence of fire and emergency call in each room for each room, and the room status display window 143 for displaying the temperature in each room.

Detects the temperature and smoke concentration in each room and converts it to a predetermined value and outputs it to the room status display window 143. However, when a fire is detected in a room (for example, car No. 2), the room status display window 143 In addition, the color of the icon 143a indicating the room is converted and the background color is converted together with the display phrase of the fire occurrence in the emergency display window 142. In this case, the converted color is converted into a color set for each situation in the icon window 141.

 Figure 3c is a view showing the room status display screen to display the fire detection level in the room in the fire detection device attached to the image device according to the present invention, Figure 3d is a room interior in the fire detection device added to the image device according to the present invention Figure is a view showing the room image output screen to output the image taken.

3C and 3D, the room status display screen 15 includes a selection room display window 151 displaying a selected room in all connected rooms, and a detection level of temperature and smoke concentration for each fire detection means in the selected room. It includes a detection level display window 152 for displaying. In this case, the detection level display window 152 may display an on / off state of the first and second image acquisition means 231 and 232 in the room and an image acquisition means driving icon 152b capable of selectively driving the driver. It includes a fire detection level display icon (152a) for displaying the detection level of the temperature and smoke concentration for each fire detection means (241 ~ 244).

In the room status display window 143 on the main screen 14, for example, when the icon background color of the second car is converted and a fire detection or emergency call signal is generated, the driver stops the second car on the main screen 14. By clicking the icon to display, the room status display screen 15 displaying the room condition of the second car is switched.

In addition, after confirming that the driver measures the temperature and the smoke concentration higher than the set reference value in the room status display window 152 and displays the fire detection, the driver clicks the image acquisition means driving icon 152b, as shown in FIG. 3D. The room image output screen 16 is outputted. At this time, the room image output screen 16 is switched because the image acquisition means driving icon 152b is selected according to the driver's manual operation.

The room image output screen 16 includes a room display window 161 displaying a room number and a unique number of the image acquisition means 231 and 232, and an image output window 162 displaying the captured image. Thus, for example, when an emergency call or a fire detection is displayed on the main screen 14 and the room status display screen 15 of FIGS. 3A to 3C, the corresponding fire detection means 241 to 244 or voice communication means are displayed. The first or second image acquisition means 231 and 232 to which the 211 and 212 are interlocked are turned on to output the corresponding image signal. Therefore, the display module 113 of the monitoring unit 11 outputs the image in the room from the image output window 162 as the driver clicks the image acquisition means driving icon 152b by manual operation.

In addition, the room image output screen 16 is capable of automatically outputting the image of the room by the fire detection or emergency call signal in the room and at the same time the driver is selected by manual operation regardless of the fire detection or other emergency call signal. It is also possible to output the image of the room. That is, the image acquisition control module 112 includes an address assigned to the switching unit 22 of the room and the unique code of the image acquisition means 231 and 232 according to the selection signal input by the driver. When transmitting, the switching unit 22 receives and confirms the unique code of the image acquisition means 231 and 232 to apply power to the first or second image acquisition means 231 and 232 having the corresponding code. Then, the received image signal is output to the image processor 12. Accordingly, the monitoring unit 11 receives the corresponding image through the image processing unit 12 and outputs the image to the room image output screen 16 by the display module.

4 is a flowchart illustrating a driving step of a monitoring unit in a fire detection method to which an image device is added according to the present invention.

Referring to FIG. 4, the fire detection method to which the imaging apparatus is added is divided into a driving step of the monitoring unit and a driving step of the switching unit (see FIG. 6). In the driving step of the monitoring unit, a power-on step of applying power from the vehicle power supply (S11) and a switching unit call step of requesting a detection signal of the corresponding room by sequentially calling the switching units 22 in each room. (S12) and a sensing level calculation step (S13) for receiving a sensing signal through the called switching unit 22, calculating a sensing signal of temperature and concentration, and calculating it to a level displayed as a predetermined value, and the calculated sensing. Fire detection step (S14) for determining whether a fire has occurred by comparing the level and the set reference value, an alarm step (S15) for warning the fire occurrence, and an image acquisition control step (S16) for controlling the image shooting of the area where the fire is detected And an image receiving and outputting step (S17) of receiving the image of the fire detection area of the room and outputting it.

The power-on step (S11) when the driver boarded in the cab 10 clicks the "operation" icon on the mode display window 141 on the main screen 14 output to the monitoring unit 11 after the vehicle starts up When a corresponding selection signal is applied to a power supply (not shown), and the display module 113 is supplied with power from a power supply (not shown), the display module 113 is placed next to the "operation" icon on the main screen 14. The step of displaying the power-on state by converting the color of the "ON" icon formed in the. At this time, when the power is applied from the power supply device in the vehicle, the fire monitoring system turns on by applying power to the fire detection means (241 ~ 244) in each cabin. Therefore, the fire detection means detects the temperature and the smoke concentration in the room at the same time the system is turned on and outputs it, the following process will be described in detail in the driving step of the switching unit to be described later.

The switching unit call step (S12) is a step of sequentially calling the switching units 22 of the first to N rooms 20 to N installed in each room in the monitoring unit 11. In this case, the monitoring unit 11 sequentially calls each switching unit 22 at a predetermined time period (for example, 0.2 to 5 ms intervals) to receive a fire detection signal in a corresponding room, but the switching unit 22 The call signal applied to includes a unique address assigned to each of the switching units 22. Accordingly, the switching unit 22 automatically checks the detection signal received from each of the fire detection means 241 to 244 connected by confirming that the call signal applied from the monitoring unit 11 includes its address. (11).

The sensing level calculation step (S13) is the first to fourth fire detection means 241 in each room to receive the switching unit 22 by a predetermined time period in the level calculation module 111 of the monitoring unit 11 Calculating the temperature and smoke concentration in the cabin received from 244) to a level having a predetermined value. At this time, the level calculation module 111 receives a detection signal from the first to fourth fire detection means (241 to 244), and the first to fourth fire detection means (241 to 244) included in each detection signal. Check the unique code of the calculated temperature and smoke concentration detected for each fire detection means and stores it in a memory (not shown) and outputs to the display module 113. Accordingly, the display module 113 receives this, and displays the temperature and smoke concentration detected at the lower side of each fire detection means 241 to 244 in the corresponding room through the room status display screen 15, see FIG. At this time, the main screen 14 and the room status display screen 15 displays the result values currently detected in real time as the level calculation module 111 calculates the temperature and the smoke concentration in each room at regular intervals.

The fire detection step (S14) is determined whether the fire occurs by comparing the result calculated by the level calculation module 111 and the set reference value, for example, the temperature detected from the first fire detection means 241 and If the smoke exceeds the reference value, the level calculation module 111 checks the detection signal of the second fire detection means 242 to determine whether the detection signal of the second fire detection means 242 also exceeds the set reference value. . Accordingly, the level calculation module 111 determines that a fire has occurred when all of the detection signals received from the first fire detection means 241 and the second fire detection means 242 exceed a reference value, and the display module determines that a fire has occurred. Applies to the 113 and the warning module 114, respectively. Alternatively, even if the result value of the first fire detection means 241 exceeds the reference value, the level calculation module 111 does not exceed the result value reference value of the second fire detection means 242 installed near the fire. It is judged that it did not occur.

The alarm step (S15) is a fire occurrence in the room through the main screen 14 and the room status display screen (15) in the display module 113 as the fire occurrence is determined in the level calculation module 111. In addition to the display, the warning module 114 outputs data indicating the unique number of the vehicle and the occurrence of fire to the communication unit 13, so that the central control room (not shown) controlling railway vehicles for each route is displayed. The generation signal is transmitted, and the communication unit 13 preferably employs a wireless LAN. Here, the display module 113 converts the sentence displayed as "normal operation" in the emergency display window of the main screen 14 of FIG. 3A to the sentence of "fire occurrence" in FIG. 3B and the icon of the corresponding room. Convert the color of (143a) to a contracted color that signifies a fire.

The image acquisition control step (S16) is the first and second fire detection means (241, 242) which outputs a corresponding detection signal in the room where the fire is detected in the image acquisition control module 112 of the monitoring unit 11 Check the unique code of the code, search for a unique code linked to the unique code of the first and second fire detection means (241, 242) stored in its own memory (not shown), 2 is a step of receiving and outputting an image of an area in which the first and second fire detection means 241 and 242 are installed by outputting a drive control signal of the image acquisition means 232. At this time, the image acquisition control module 112, for example, the drive control signal of the second image acquisition means 232 including the address of the switching unit 22 of the second cabin 30, the second cabin ( Output to the switching unit 22 of 30. Therefore, the second switching unit 22 checks its address and the unique code of the second image acquisition unit 232 in the signal received from the image acquisition control module 112 and then applies power to the second image. The acquisition means 232 is turned on.

The image receiving and outputting step S17 is a step of receiving an image of an area where the first and second fire detection means 241 and 242 are installed in the cabin and outputting the image in the cab 10. Here, the second image acquisition means 232 photographs the areas where the first and second fire detection means 241 and 242 are installed and transmits the images to the image processing unit 12 through the switching unit 22. Therefore, the image processor 12 converts an analog image signal applied through the switching unit 22 into a digital signal and outputs the digital signal to the monitoring unit 11, and the display module 113 is the image processor 12. The digital video signal received from the digital video signal is output to the room video output window 162 on the room video output screen 16, as shown in FIG. 3D.

FIG. 5 is a flowchart illustrating steps of receiving and warning an emergency audio signal of a monitoring unit in a fire detection method to which an image device is added according to the present invention.

Referring to FIG. 5, in the present invention, the receiving and warning step of the emergency voice signal of the monitoring unit 11 is a power-on step (S21) to which power is applied, and emergency communication for determining whether an emergency call signal is generated in a room. A receiving step (S22), an image obtaining control step (S23) for transmitting an image acquisition control signal of the corresponding room in which the emergency call signal is received, an image output step (S24) for outputting the received image in the corresponding room, and the main An alarm step (S25) for emitting an alarm signal to the central control room as a wireless signal with the display of the alarm signal on the screen (14).

Here, the power-on step (S21) is a step in which a predetermined power is applied from the power supply inside the vehicle as the driver of the vehicle starts or turns on a separate power switch to turn on the system.

The emergency communication receiving step (S22) is an emergency from the first and second voice communication means (211, 212) installed in the first to N rooms 20 to N in the monitoring unit 11 of the cab 10, respectively. It is a step of determining whether a call signal is generated. In this case, in at least one of the first to N rooms 20 to N connected to the cab 10, the first or second voice communication means 211 is provided for the passenger to transmit information on an emergency situation or other situation in the cabin. When a call is requested to the cab 10 at 212, the call signal is output to the switching unit 22. At this time, the monitoring unit 11 sequentially calls the switching unit 22 in each room at intervals of several ms as described above to determine whether the emergency call signal is received in the corresponding rooms 20 to N. In more detail, in the present invention, the monitoring unit 11 sequentially calls the switching unit 22 of each room at intervals of several ms to make emergency calls from the first or second voice communication means 211 and 212. By checking whether a signal is generated, it is determined whether an emergency call signal is generated in each room 20 to N at a predetermined time interval.

In the image acquisition control step (S23), when the emergency call signal is received from the switching unit 22 of each room where the monitoring unit 11 is called at a predetermined time period, the display module 113 is driven to display the main screen. In step 14 and the room status display screen 15, the display unit 15 controls the image acquisition unit 23 to acquire an image in the room. In this case, the display module 113 outputs a sentence meaning 'emergency call' on the emergency display window 142 of the main screen 14 and displays the icon background color of the corresponding room differently. In addition, when the emergency call signal is received from the first voice communication unit 211 located on the right side of FIG. 2B, the image acquisition control module 112 includes the first voice communication unit 211 included in the signal. Search for the unique code of the image acquisition means (231, 232) interlocked in the corresponding room to convert the drive control signal of the second image acquisition means (232) having the unique code read out from the switching unit of the corresponding room. It transmits including the unique address of (22). Accordingly, the switching unit 22 receives a control signal applied from the monitoring unit 11, checks its own address and unique code, and applies power to the second image acquisition unit 232.

The image output step (S24) is an image of the second image acquisition means 232 to take an image of the area where the first voice communication means 211 is installed in accordance with the control signal by the image acquisition control module 112 The signal is output to the room image output screen 16. At this time, the analog image signal output from the second image acquisition means 232 is applied to the image processing unit 12 through the switching unit 22, the image processing unit 12 converts it into a digital signal It applies to the monitoring part 11. Therefore, the display module 113 outputs the same through the room image output screen 16.

The warning step (S25) is that the driver of the cab 10 recognizes the situation through the dialogue between the passenger through the screen output in the image output step (S24) and the first voice communication means 211, the vehicle In this case, a warning message or a predetermined message indicating an emergency situation is transmitted to the central control room through the warning module 114. In this case, the warning module 114 outputs a message, a voice signal, or a code set for each situation to the communication unit 13 along with a separate code indicating the vehicle on the communication unit 13. Therefore, the communication unit 13 transmits it wirelessly to the central control room.

6 is a flowchart illustrating a driving step of the switching unit in the fire detection method to which the image device according to the present invention is added.

Referring to FIG. 6, in the present invention, the driving step of the switching unit 22 is a standby step (S31) before the system is turned on to receive a separate signal, and the predetermined signal received by the monitoring unit 11. Receiving call signal receiving step (S32), the address check step (S33) for determining whether the own address is included in the call signal received from the monitoring unit 11, and if the own address is not included The switching unit outputs step S34 of the next step of transmitting the call signal to the switching unit 22 installed in the next room connected after the installed room, and its address is included in the address checking step S33. If it is, the step of receiving a fire detection signal output from the fire detection means (241 ~ 244) (S351), and fire detection for transmitting the received fire detection signal to the monitoring unit 11 of the cab 10 Z If it is included in the call transmission step (S352) and the address checking step (S33), the image acquisition control determination step (S361) for determining whether the image acquisition control signal has been received through the call signal, and the power supply. An image acquisition drive control step (S362) of applying the first or second image acquisition means (231, 232) and transmitting the received image signal to the cab 10 (S363). .

The standby and call signal receiving steps S31 and S32 may include switching units 22 installed in the first to N rooms 20 to N connected to the cab 10 at regular intervals in the monitoring unit 11. Receiving a call signal including the unique address of each switching unit 22 to be sequentially transmitted.

In the address confirmation step S33, when the call signal transmitted from the monitoring unit 11 is received, the switching unit 22 determines whether the corresponding call signal includes its own address. Here, the monitoring unit 11 is the switching unit of the first room 20 as the switching unit 22 of each room 20 to N and the monitoring unit 11 of the cab 10 are connected by one line. (22), the switching unit 22 of the first room 30 is the switching unit 22 of the second room 30, the switching unit 22 of the N-1 room (not shown) is switching of N rooms (N) As it is connected to the unit 22, it checks its own unique address given to each of the drive signal by the call signal, and if its address is not included, and transmits to the switching unit 22 of the room to be connected in the next order. Accordingly, when the monitoring unit 11 calls the switching unit 22 of the third room 40, the call signal output from the monitoring unit 11 is applied to the switching unit 22 of the first room 20. The first switching unit 22 checks whether it is its address, and if not applicable, outputs it to the switching unit 22 of the second cabin 30 and the switching unit 22 of the second cabin 30. After checking whether it is its own address, if it is not applicable, it is output to the switching unit 22 of the third room 40, and the switching unit 22 of the third room 40 checks its address and then performs the process described below. Proceed.

The detection signal receiving step S351 is a step of receiving a fire detection signal output from the fire detection means, if its address is included in the address checking step S33. Here, the switching unit 22 receives a fire detection signal from the fire detection means 241 to 244 connected if its address is included in the call signal of the monitoring unit 11. At this time, when the switching unit 22 in each room 20 to N includes its own address in the call signal of the monitoring unit 11, the fire detection signal is automatically monitored even if a separate code or command is not included. It transmits to the part 11.

The fire detection signal transmission step (S352) outputs a fire detection signal applied from the first to fourth fire detection means 241 to 244 by the switching unit 22 to the monitoring unit 11.

In the image acquisition control determination step S361, if its address is included in the address confirmation step S33, it is determined whether the image acquisition control signal has been received through the call signal, and the image acquisition means 231 and 232 are received. This is the step of applying power. Here, the image acquisition control module 112 of the monitoring unit 11 together with the call signal of the switching unit 22, the unique code assigned to the first image acquisition means 231 or the second image acquisition means 232. And transmits an image acquisition control signal. Therefore, when the switching unit 22 includes its own address in the call signal received from the monitoring unit 11, the switching unit 22 automatically transmits a fire detection signal and at the same time, together with the call signal, the first image acquisition unit 231. Alternatively, it is determined whether the image acquisition control signal including the second image acquisition means 232 or both codes is received.

The image acquisition drive control step S362 is a step of applying power to the first or second image acquisition means 231 and 232 having the unique code identified in the image acquisition control determination step S361.

In the image output step S363, an analog image signal output from the first image acquisition unit 231 or the second image acquisition unit 232 driven in the image acquisition control step S362 may be an image of the cab 10. The step of outputting to the processing unit 12. In this case, the switching unit 22 bypasses the analog signal output from the first or second image acquisition means 231 and 232 to the image processing unit 12, and the image processing unit 12 converts the digital signal into a digital signal. The conversion is output to the monitoring unit 11. Therefore, the monitoring unit 11 outputs the room image output screen 16 through the display module 113, so that the driver of the cab 10 checks the interior of the room during a fire situation or emergency call in the room. Appropriate action can be taken.

In the fire detection apparatus and control method to which the image device is added according to the present invention, the image detection unit is provided with the fire detection unit in each room, and thus the malfunction of the fire detection can be confirmed, and the driver can recognize the actual room situation reliably. It is possible to respond quickly and appropriately in case of emergency.

In addition, the present invention, if any one of the fire detection means installed in the cabin at the time of fire detection detects a fire, the fire detection according to the fire alarm only when the detection signal of the fire detection means of the adjacent area at the same time exceeds the reference value Misunderstanding due to the failure of means or other reasons can be prevented.

In addition, the present invention is directed to the area where the voice communication unit is directly connected to the cabin and the cab to install the video device to confirm the authenticity of the emergency call by checking the inside of the cabin at the cab when the emergency call signal of the passenger and In the event of an emergency, it is possible to promptly handle the passenger's safety and convenience.

Claims (12)

In the fire detection device of a railway vehicle consisting of a plurality of cabins sequentially connected to the cab, the fire detection device includes a monitoring unit, an image processing unit and a communication unit in the cab, each of the rooms sequentially connected to the cab Including a voice communication unit, an image acquisition unit and a switching unit, respectively The fire detection unit detects the temperature and smoke concentration and outputs a detection signal for this, The voice communication unit transmits and receives a voice signal with the emergency call signal, The image acquisition unit interlocks the fire detection unit and the voice communication unit to capture an image of an area where a fire is detected and an area where an emergency call signal is transmitted, The monitoring unit compares the fire detection signal transmitted from the fire detection unit with a reference value to determine the occurrence of a fire and displays the alarm, and sets the fire detection unit and the voice communication unit to the image acquisition unit to establish a fire zone and an emergency. Receives the driving control and video of the transmission area of the call signal and outputs it. The image processing unit converts an analog image signal into a digital image signal and outputs it to the monitoring unit. The switching unit transmits the fire detection signal of the fire detection unit and the emergency call signal of the voice communication unit according to the call signal output from the monitoring unit, and drives the image acquisition unit according to the image acquisition control signal of the monitoring unit. And a video device which outputs the output video signal to the video processor. The method of claim 1, wherein the monitoring unit A level calculation module for outputting a fire occurrence signal by comparing the temperature and smoke concentration of the area detected by the detection signals of the plurality of fire detection means included in the fire detection unit with a set reference value; A display module for displaying the temperature and the smoke concentration calculated by the level calculation module for each fire detection means, and outputting an image signal applied from the image processor to a display; An image acquisition control module configured to drive the image acquisition unit to capture an image of an area in which the fire detection unit detecting the fire is installed when the fire occurs in the level calculation module; When a fire occurrence signal is applied from the level calculation module, an image comprising a warning module for alarming the fire occurrence through a screen displaying the area where each fire detection means is installed on the display screen represented by the display module Fire detection device attached to the device. The method of claim 2, wherein the image acquisition unit And at least one image acquisition means, wherein the image acquisition means is configured to be interlocked with at least one of the at least one fire detection means and at least one voice communication means of the voice communication unit, and interlocked fire detection means and the voice communication means are installed. Fire detection device with an image device, characterized in that is installed facing the area. According to claim 3, wherein the fire detection device And a communication unit for transmitting an alarm signal including a fire occurrence from the warning module as a wireless signal. The fire detection method of a railway vehicle comprising a cab for a driver operating a vehicle to control the vehicle and a plurality of cabins sequentially connected to the cab, A power-on step of applying power from the power supply of the vehicle; A switching unit calling step of sequentially calling switching units in each room for a predetermined time;  A sensing level calculation step of receiving a sensing signal through the called switching unit, calculating a sensing signal of temperature and concentration, and calculating the sensing signal at a level displayed as a predetermined value; A fire detection step of determining whether a fire has occurred by comparing the calculated detection level with a set reference value; An alarm step of displaying a corresponding room and alarming the occurrence of a fire; An image acquisition control step of controlling image photographing of a region where a fire is detected; And a video receiving and outputting step of receiving and outputting an image of the fire detection area of the room. The method of claim 5, wherein the fire detection step When the result value of the temperature and smoke concentration calculated in the level calculation step exceeds the set reference value, only when the detection signal of at least one other fire detection means adjacent to the fire detection means that the corresponding detection signal is output exceeds the reference value. Fire detection method with a video device, characterized in that determining that a fire has occurred. The method of claim 6, wherein the alarming step If it is determined that a fire has occurred in the fire detection step, a fire detection method with an image device, characterized in that for transmitting the fire signal with the identification code of the vehicle as a wireless signal. The method of claim 7, wherein the image acquisition control step The video apparatus may further include identifying a unique code of the image acquisition unit interlocked with the fire detection unit that detects the occurrence of a fire, and outputs a driving control signal of the image acquisition unit having the identified unique code to the corresponding cabin. Fire detection methods. The method of claim 5, wherein the fire detection method further comprises the step of receiving an emergency voice signal, the step of receiving the emergency voice signal An emergency communication receiving step of receiving an emergency call signal by determining whether an emergency call signal has been generated in a corresponding room by sequentially calling a plurality of rooms sequentially connected to the cab and receiving power, An image acquisition control step of transmitting a control signal for acquiring an image of an area where an emergency call signal has been received in a cabin; Fire detection method with video device. The method of claim 9, wherein the image output step Check the unique code of the voice communication means in the room in which the emergency call signal is received and outputs the drive control signal of the image acquisition means linked to it, and receives the image of the area where the voice communication means is installed Fire detection method with device attached. The method of any one of claims 5 to 10, wherein the fire detection method further comprises a driving step of the switching unit, the driving step of the switching unit The standby state before the system is turned on and the separate signal is received, the call signal receiving step of receiving a predetermined signal received by the monitoring unit of the cab, and its address in the call signal received from the monitoring unit An address checking step of determining whether the address is included, a step of receiving a fire detection signal in the cabin, and a fire detection signal transmitting step of transmitting the received fire detection signal to the monitoring unit of the cab if the address of the user is included; Fire detection method, characterized in that the image device is added. The method of claim 11, wherein the fire detection method In the address checking step, when the switching unit includes its own address, an image acquisition control determination step of determining whether an image acquisition control signal is received, and a unique reception received when the image acquisition control signal is received in the image acquisition control determination step And an image acquisition driving control step of applying power to the image acquisition means having a code to turn on the image acquisition means, and an image output step of outputting the received image signal to the cab. Fire detection methods.

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