KR20200045236A - Fire detection device, method and system using sensor for detecting gas - Google Patents

Abstract

Disclosed are a device for sensing a fire using a sensor detecting gas, a method thereof, and a system thereof. According to one aspect of the present invention, the system for sensing a fire can more accurately and quickly sense the fire at the beginning of the occurrence of the fire by detecting gas to sense the occurrence of the fire.

Description

FIRE DETECTION DEVICE, METHOD AND SYSTEM USING SENSOR FOR DETECTING GAS using a sensor to detect gas

The present invention relates to a fire detection device, method, and system using a sensor for detecting gas, and more specifically, a fire detection using a sensor for detecting a gas for detecting a fire using a sensor for detecting gas generated in a fire. It relates to a device, method, and system.

In general, in the case of a fire detector, a sensor is used to detect the occurrence of a fire. At this time, the sensor detects the temperature change, so that it is detected at the time of fire spread and responds quickly and appropriately to various fire situations when a fire occurs. There is a difficult problem to do. In addition, a fire detector including a sensor that detects a temperature change may be effective in places where the temperature in the sensing space does not change significantly depending on the location, such as a house, but may also be located in the same space depending on machine or work conditions, such as a factory. Therefore, if the temperature difference is large, it may cause a problem to detect whether a fire occurs according to a change in temperature.

Korean Registered Patent No. 10-0600334 (announced on July 14, 2006)

The present invention has been proposed to solve the problems as described above, and detects a fire by detecting a gas, and a fire detection device using a sensor that detects a gas that can extinguish a fire more quickly when a fire occurs. And a method and system.

Other objects and advantages of the present invention can be understood by the following description, and will be more clearly understood by an embodiment of the present invention. In addition, it will be readily appreciated that the objects and advantages of the present invention can be realized by means of the appended claims and combinations thereof.

The fire detection device according to an aspect of the present invention for achieving the above object is composed of a gas detection sensor that detects harmful gas generated in the event of a fire, and detects whether a hazardous environment has occurred using the sensor to generate a fire. Fire detection unit for detecting; And an alarm unit for generating an alarm signal for informing a dangerous situation due to a fire when the fire detector detects a fire.

The fire detection device, photographs and transmits the surrounding environment where the fire detection device is installed, but when the occurrence of a fire is detected by the fire detection unit, a camera that photographs the scene where the fire has occurred and transmits a picture; It is characterized by.

When the occurrence of a fire is detected by the fire detection unit, the camera photographs a scene where the fire has occurred, and photographs a scene where the fire has occurred at a predetermined angle.

The fire detection system according to another aspect of the present invention for achieving the above object is composed of a gas detection sensor for detecting harmful gas generated in the event of a fire, and a fire is generated by detecting whether a hazardous environment is generated using the sensor. Fire detection unit for detecting; When the fire detection unit detects a fire, an environment in which an alarm unit and a fire detection device for generating an alarm signal for notifying a dangerous situation due to a fire is installed is photographed and transmitted, but a fire is generated by the fire detection unit If it is detected, a fire detection device including a camera that transmits a picture by photographing a fire site; And the location information on which the fire detection device is installed and on-site picture information around the fire detection device are installed in advance, and when the fire detection device receives a picture of a fire-occurring scene, it is notified in advance. It includes; a central control server to determine the risk of fire occurrence by comparing with the stored on-site photograph information of the fire detection device is installed.

The fire detection system, a plurality of spaced apart from the doorway of the building is installed, when receiving a signal according to the fire from the central control server, the fire that detects the occurrence of a fire based on the signal according to the fire occurrence It characterized in that it further comprises an alarm device for emitting light for guiding the way to the detection device.

The alarm device is installed adjacent to the fire detection device and, when receiving a signal according to the fire occurrence from the central control server, is not adjacent to the fire detection device that detects the occurrence of a fire based on the signal according to the fire occurrence. It is characterized in that only the device installed in the non-operating position.

When the occurrence of a fire is detected by the fire detection unit, the camera photographs a scene where the fire has occurred, and photographs a scene where the fire has occurred at a predetermined angle.

The fire detection device is characterized in that it is installed in the fire extinguisher.

When the central control server receives a photograph of a scene where a fire occurs due to a fire from the fire detection device, it compares it with pre-stored scene picture information around the fire detection device to determine the risk of fire occurrence. However, it is characterized in that it determines the risk according to the occurrence of the fire based on the preset flame size or the concentration of the gas detected by the sensor of the fire detection device.

The central control server transmits a fire occurrence signal to the fire department when the danger level of the fire is determined as the interest level or the danger level, and the size of the flame or the fire detection device included in the picture taken at the fire site within a predetermined time period. When the concentration of the gas detected by the sensor decreases below a preset threshold, it is characterized in that a dispatch signal is transmitted to the fire department.

Fire detection method according to another aspect of the present invention for achieving the above object, the fire detection device consisting of a gas detection sensor for detecting the harmful gas generated in the fire, using the sensor to determine whether a hazardous environment occurs A fire occurrence detection step of detecting and detecting the occurrence of a fire; When the fire detection device detects a fire, an alarm signal generation step of generating an alarm signal so that the location of the fire can be easily known; The fire detection device, when the occurrence of the fire is detected, the scene shooting step of sending a picture by photographing the scene where the fire occurred; And a central control server that pre-stores location information on which the fire detection device is installed and on-site picture information around the fire detection device is installed, receiving a picture of a fire-related scene from the fire detection device. In case of this, a fire occurrence risk determination step of determining a risk according to a fire occurrence by comparing it with pre-stored on-site photograph information of a fire detection device installed therein.

According to an aspect of the present invention, there is an effect capable of detecting a fire at an early stage of fire occurrence more accurately and quickly by detecting a fire by detecting gas.

In addition, since a fire can be guided to a location where a fire has occurred, it is possible to quickly extinguish the fire.

The effects obtainable in the present invention are not limited to the above-mentioned effects, and other effects not mentioned may be clearly understood by those skilled in the art from the following description. .

The following drawings attached to this specification are intended to illustrate preferred embodiments of the present invention, and serve to further understand the technical idea of the present invention together with specific details for carrying out the invention, and thus the present invention It should not be interpreted as being limited only to the items described.
1 is a schematic configuration diagram of a fire detection system according to an embodiment of the present invention,
Figure 2 is a schematic configuration diagram of a fire detection device according to an embodiment of the present invention,
3 is a view showing the structure of the interior of a building in which an alarm device according to an embodiment of the present invention is installed;
Figure 4 is a view showing an example of the operation of the alarm device in the event of a fire according to an embodiment of the present invention,
5 is a view showing an example of the operation of the alarm device in the event of a fire according to another embodiment of the present invention;
6 is a view schematically showing a flow of a fire detection method in a fire detection system according to an embodiment of the present invention.

The above objects, features and advantages will become more apparent through the following detailed description in connection with the accompanying drawings, and accordingly, those skilled in the art to which the present invention pertains can easily implement the technical spirit of the present invention. There will be. In addition, in the description of the present invention, when it is determined that the detailed description of the known technology related to the present invention may unnecessarily obscure the subject matter of the present invention, the detailed description will be omitted. Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Throughout the specification, when a part “includes” a certain component, it means that the component may further include other components, not to exclude other components, unless otherwise stated. Also, “… The term “part” means a unit that processes at least one function or operation, and may be implemented by hardware or software or a combination of hardware and software.

Figure 1 is a schematic configuration diagram of a fire detection system according to an embodiment of the present invention, Figure 2 is a schematic configuration diagram of a fire detection device according to an embodiment of the present invention, Figure 3 is an embodiment of the present invention It is a diagram showing the structure of the inside of the building where the warning device is installed.

1 to 2, the fire detection system according to the present embodiment includes a fire detection device 100 and a central control server 200. At this time, the fire detection device 100 and the central control server 200 is connected to a network to perform communication. The network N may refer to a network capable of transmitting and receiving data using an Internet protocol using various wired / wireless communication technologies such as an Internet network, an intranet network, a mobile communication network, and a satellite communication network. Meanwhile, the network is a closed area network such as a local area network (LAN), a wide area network (WAN), and an open network such as the Internet, as well as code division multiple access (CDMA), wideband code division multiple access (WCDMA), and GSM ( Networks such as Global System for Mobile Communication (LTE), Long Term Evolution (LTE), and Evolved Packet Core (EPC) and next-generation networks and computing networks to be implemented in the future can be referred to collectively.

The fire detection device 100 detects the occurrence of a fire through the harmful gas generated during the fire, and when a fire is detected, an alarm is generated to inform the surroundings that a dangerous situation has occurred due to the fire. The fire detection device 100 may detect the occurrence of a fire by detecting the generation of dust and odor of harmful gases.

The fire detection device 100 includes a fire detection unit 110 and an alarm unit 120. The fire detection unit 110 may be configured as a sensor for detecting harmful gas generated in a fire, that is, a gas detection sensor, and an emulsified environment in which air quality changes due to gas ejection due to a fire using the gas detection sensor. When detecting whether or not the fire occurs, it may be detected that a fire has occurred. In this case, the gas is generated by burning or heating or burning combustibles during a fire, and may be carbon dioxide (CO2), carbon monoxide (CO), hydrogen cyanide ammonia (HCN), sulfite gas (SO2), or the like. In the present embodiment, it has been described that the fire detection device 100 includes only a gas detection sensor, but is not limited thereto, and may further include a sensor capable of detecting a fire, such as a smoke detection sensor and a heat detection sensor. When the fire detection unit 110 detects a fire, the alarm unit 120 may generate an alarm signal to notify the dangerous situation according to the fire. At this time, the alarm signal may be generated in the form of light or sound. The alarm unit 120 may include an LED module and / or speaker to generate an alarm signal in the form of light and / or sound.

In addition, the fire detection device 100 may further include a camera 130. The camera 130 may photograph and transmit the surrounding environment in which the fire detection device 100 is installed, and when a fire is detected by the fire detection unit 110, photograph the scene where the fire occurred and transmit the photographed image You can. In this case, the camera 130 may be an infrared camera, a CCD (Charge Coupled Device) camera, or the like. The camera 130 photographs and transmits the surroundings at the time when the fire detection device 100 is first installed, and thereafter, when a fire is detected by the fire detection unit 110, the scene where the fire has occurred is taken and photographed You can send pictures. At this time, the photographs of the surroundings photographed at the time of the first installation may be transmitted to the central control server 200, which will be described later, and stored in advance in a separate storage, and then the fire detection unit 110 detects the occurrence of a fire. If possible, it can be used to determine the risk of fire in comparison to a photo taken of a fire. In addition, when the occurrence of a fire is detected by the fire detection unit 110, the camera 130 may photograph the scene where the fire has occurred, but may photograph the scene where the fire has occurred at a predetermined angle. That is, if the surrounding environment is photographed only at an angle set in one direction, the location where the fire occurred may be taken and a picture may be taken. As in this embodiment, if the surrounding environment is photographed at various angles for each preset angle, a fire may occur. It is possible to take a picture without omission of the site on which it occurred, so it is possible to quickly identify the cause of the fire. In other words, it is possible to quickly identify the cause of the fire without going through complicated procedures such as precise identification to determine the cause of the fire after the fire is extinguished.

Meanwhile, the fire detection device 100 according to the present embodiment may be attached to a fire extinguishing device such as a fire extinguisher, and may further include a GPS module 140 to transmit location information when transmitting a signal according to a fire. According to this, when a fire is detected by the fire detector 110, the GPS module 140 transmits the location information of the fire to the central control server 200, which will be described later, so that the location of the fire can be easily identified. There is. In this case, the GPS module 140 may be a module including a technology capable of positioning indoor and outdoor location information.

In addition, the fire detection device 100 includes sensing information according to the occurrence of a fire detected by the fire detection unit 110 and / or information on changes in operation and use of the fire detection unit 110 according to the occurrence of the fire. It may further include a processing unit 150 for collecting and transmitting the operation status information.

The central control server 200 includes the operation status information and the fire detection device including the location information on which the fire detection device 100 is installed from the fire detection device 100, information on the operation of the fire detection device 100, and changes in use, etc. 100) receives the installed site photo information and stores it in a separate storage in advance, and when receiving a picture of a fire-related scene from the fire detection device 100, the fire detection device 100 stored in the storage ) Is compared with the on-site photo information installed to determine the risk of fire. That is, the central control server 200 compares the photographs of the scenes around the fire with the fire detection device 100 stored in the storage and the photographs of the scenes where the fires occurred, resulting in fires such as the normal stage, interest stage, and danger stage. Risk can be determined according to, and when the determined risk is an interest or a risk stage, a fire occurrence signal may be transmitted to a fire department to promptly extinguish the fire. At this time, the fire generation signal may include location information on which the fire detection device 100 measured by the GPS module 140 is located, and photograph information of a surrounding environment in which a fire has been photographed by the camera 130. On the other hand, in more detail, the central control server 200 sets in advance the size of the flame in the event of a fire and / or the concentration of harmful gases generated as combustibles are burned in a fire in advance, and is included in the photograph of the scene taken by the fire. The size of the flame and / or the concentration of the gas detected by the sensor of the fire detection device 100 may be compared with preset information to determine the risk of fire. At this time, when a fire occurrence signal is transmitted to the fire department, the fire department refers to the photograph information of the surrounding environment where the fire has been photographed by the camera 130 and the concentration of the generated gas, and the equipment and / or suppression method for extinguishing the fire It is possible to extinguish the fire by selecting in advance, so that the fire can be extinguished more quickly.

On the other hand, the central control server 200, if the risk of fire occurrence is identified as the interest level and / or the risk level, after transmitting the fire occurrence signal to the fire department, the flame included in the picture taken at the fire site within a predetermined time period When the size or the concentration of the gas detected by the sensor of the fire detection device 100 decreases below a preset threshold, a dispatch cancellation signal may be transmitted to the fire department. As described above, when the fire scene is initially suppressed, the size of the flame or the concentration of gas may be reduced as described above, and when the risk of fire occurrence is reduced, such as in this case, a signal to cancel the dispatch is sent to the fire department, so that the fire department You can make your workforce operate more efficiently.

In addition, the fire detection system may further include an alarm device (300). At this time, the alarm device 300 may communicate with the central control server 200 through the network as described above. Also, the alarm device 300 may communicate with the fire detection device 100 through a network.

The alarm device 300 may not only notify the surroundings of a dangerous situation by emitting sound and / or light in the event of a fire, but may also guide an evacuation route according to this embodiment. That is, when the alarm device 300 according to the present embodiment is installed inside a building, as shown in FIG. 3, a certain distance from the entrance may be installed, and a plurality of devices may be installed on the ceiling and / or wall, and emit light. It is preferably composed of a LED module and / or speakers that emit sound. When the alarm device 300 receives a signal according to a fire from the central control server 200 (including location information of the fire detection device 100 that detects the occurrence of a fire), the alarm device 300 is based on the signal according to the fire. Thus, it is possible to emit light and / or sound for guiding the way to the location where the fire detection device 100 that detects the occurrence of the fire is located. That is, by operating the alarm device 300 from the entrance to the place where the fire detection device 100 that detects the occurrence of the fire is located, a person who wants to extinguish the fire can quickly determine the location where the fire has occurred. It can be suppressed more quickly, and if there is a person in the space where the fire occurred, it can move to the doorway along the light emitted from the alarm device 300, and if the door is not visible due to smoke, the alarm device 300 Since the light and / or sound emitted can be moved to the doorway, there is an effect to evacuate more quickly.

4 is a view showing an example of the operation of the alarm device in the event of a fire according to an embodiment of the present invention.

As shown in FIG. 4, the alarm device 300 is spaced a certain distance from the doorway, and a plurality of devices may be installed on the ceiling and / or the wall, and may consist of an LED module emitting light and / or a speaker emitting sound. You can.

When the alarm device 300 receives a signal related to a fire from the central control server 200 (including location information of the fire detection device 100 detecting the occurrence of a fire), the alarm device 300 On the basis of this, it is possible to emit light and / or sound for guiding the way to the location where the fire detection device 100 that detects the occurrence of the fire is located, ie, the fire detection device 100 indicates that a fire occurred in the vicinity of room 7 When is detected, the alarm device 300 may operate 5, 6, 7, 2, and 1 to quickly evacuate a person inside the building toward the doorway. In addition, a separate display unit (not shown) may be provided to indicate the direction of the doorway with an arrow, etc. On the other hand, in this embodiment, it is described that only a part of the alarm device 300 operates, but is not limited thereto. 4, 3, 2, 1 and / or 5, 6, 3, 2, 1 Small and may lead the way to the exit.

5 is a view showing an example of the operation of the alarm device in the event of a fire according to another embodiment of the present invention.

5, the alarm device 300 may be installed adjacent to the fire detection device 100. Further, the alarm device 300 may be integrated with the fire detection device 100. At this time, when the alarm device 300 receives a signal according to a fire occurrence from the central control server 200, the alarm device 300 is not located adjacent to the fire detection device 100 that detects the occurrence of a fire based on the signal according to the fire occurrence By operating only those installed in the building, a person inside the building can evacuate to the place where the fire has occurred, so it is possible to evacuate by avoiding dangerous situations such as flames.

That is, as shown in FIG. 5, when a fire occurs in rooms 7 and 8, the fire detection device 100 located in the vicinity detects the fire and transmits the fire occurrence signal to the central control server 200. have. In this case, the location information of the fire detection device 100 may include photographs of surrounding environment photographs and the like in the fire occurrence signal. Thereafter, since the central control server 200 transmits a signal according to a fire occurrence (including location information of the fire detection device 100 detecting the occurrence of fire) to the alarm device 300, the alarm device 300 By operating only those not adjacent to the above-described fire detection device 100 based on the location information of the fire detection device 100 detecting the occurrence of the fire, a person can move to the doorway more safely by avoiding the place where the fire has occurred. That is, as shown in FIG. 5, when a fire occurs in rooms 7 and 8, the alarm device 300 in the vicinity of room 8 does not operate, and 5, 4, 3, 2 There is an effect to induce a person to move to the doorway by avoiding a dangerous situation such as a flame caused by a fire due to the operation of No.1 and No.1.

6 is a view schematically showing a flow of a fire detection method in a fire detection system according to an embodiment of the present invention.

Referring to FIG. 6, first, the fire detection device 100 composed of a gas detection sensor that detects harmful gas generated in the event of a fire uses a sensor to detect whether a hazardous environment has occurred and detects the occurrence of a fire (S610) ).

Next, when the fire detection device 100 detects a fire, an alarm signal is generated so that the location of the fire is easily known (S620).

Next, when the fire detection device 100 detects the occurrence of a fire, it transmits a picture by photographing the scene where the fire occurred (S630).

Next, the central control server 200 that pre-stores the location information where the fire detection device 100 is installed and the site information of the surroundings where the fire detection device 100 is installed is generated by the fire detection device 100 When receiving a photograph of a scene where a fire occurs according to the, it is compared with the pre-stored fire detection device 100 installed on-site photo information to determine the risk of fire occurrence (S640). In addition, the central control server 200 receives on-site picture information of the surroundings of the fire-sensing device 100 from the fire-sensing device 100 and on-site state information including a fire spread situation according to the use of the fire-sensing device 100. You can save it and use it. On the other hand, when the central control server 200 receives operation change information such as operation information of the fire detection device 100 and / or operation of a fire extinguisher connected to the alarm device 300 according to a fire occurrence, the central control server 200 analyzes the information You can also determine the risk of fire.

Methods according to an embodiment of the present invention may be implemented as an application or in the form of program instructions that can be executed through various computer components to be recorded in a computer-readable recording medium. The computer-readable recording medium may include program instructions, data files, data structures, or the like alone or in combination. The program instructions recorded on the computer-readable recording medium are specially designed and configured for the present invention and may be known and usable by those skilled in the computer software field. Examples of computer-readable recording media include magnetic media such as hard disks, floppy disks, and magnetic tapes, optical recording media such as CD-ROMs, DVDs, and magneto-optical media such as floptical disks. media) and hardware devices specifically configured to store and execute program instructions such as ROM, RAM, flash memory, and the like. Examples of program instructions include not only machine language codes produced by a compiler, but also high-level language codes that can be executed by a computer using an interpreter or the like. The hardware device may be configured to operate as one or more software modules to perform processing according to the present invention, and vice versa.

While this specification includes many features, such features should not be construed as limiting the scope of the invention or the claims. Also, features described in individual embodiments of the present specification may be implemented in combination in a single embodiment. Conversely, various features described in a single embodiment of the present specification may be individually implemented in various embodiments, or may be appropriately combined.

Although the operations in the drawings have been described in a specific order, it should not be understood that such operations are performed in a specific order as shown or in a series of sequences, or that all described actions are performed to obtain a desired result. In certain circumstances, multitasking and parallel processing may be advantageous. In addition, it should be understood that the division of various system components in the above-described embodiment does not require such division in all embodiments. The app components and systems described above may be generally implemented as a package in a single software product or multiple software products.

The present invention described above, since it is possible for a person of ordinary skill in the art to which the present invention pertains, various substitutions, modifications, and changes are possible within the scope of the technical spirit of the present invention, and the above-described embodiments and attached It is not limited by the drawings.

100: fire detection device
110: fire detector
120: alarm unit
130: camera
140: GPS module
150: processing unit
200: central control server
300: alarm device

Claims (11)

It is composed of a gas detection sensor for detecting the harmful gas generated in the fire, a fire detection unit for detecting the occurrence of a fire by detecting whether a hazardous environment has occurred using the sensor; And
When the fire detection unit detects a fire, an alarm unit for generating an alarm signal for notifying the dangerous situation according to the fire; Fire detection device using a sensor for detecting the gas containing. According to claim 1,
The fire detection device,
Fire detection, characterized in that it further comprises; a camera that transmits by photographing and transmitting the surrounding environment in which a fire detection device is installed, and when a fire is detected by the fire detector, photographing a scene where a fire has occurred and transmitting a picture Device. According to claim 2,
The camera,
When the occurrence of a fire is detected by the fire detection unit, but photographs the scene where the fire occurred,
A fire detection device using a sensor that detects gas, characterized in that the scene where the fire has occurred at a predetermined angle. It is composed of a gas detection sensor for detecting the harmful gas generated in the fire, a fire detection unit for detecting the occurrence of a fire by detecting whether a hazardous environment has occurred using the sensor; When the fire detection unit detects a fire, an environment in which an alarm unit and a fire detection device for generating an alarm signal for notifying a dangerous situation due to a fire is installed is photographed and transmitted, but a fire is generated by the fire detection unit If it is detected, a fire detection device including a camera that transmits a picture by photographing a fire site; And
When the location information on which the fire detection device is installed and on-site picture information around the fire detection device are installed in advance, and when the fire detection device receives a picture of a fire-related scene, it is stored in advance. Fire detection system comprising a; central control server to determine the risk of fire in comparison to the on-site photo information around the fire detection device is installed. The method of claim 4,
The fire detection system,
When a plurality of pieces are installed at a certain distance from the entrance of the building and receiving a signal according to the fire from the central control server, to the place where the fire detection device that detects the occurrence of the fire is located based on the signal according to the fire occurrence Fire detection system, characterized in that it further comprises; an alarm device that emits light for guidance. The method of claim 5,
The alarm device,
A device installed adjacent to the fire detection device and installed at a location not adjacent to the fire detection device that detects the occurrence of a fire based on the signal according to the fire occurrence when receiving a signal according to the fire from the central control server Fire detection system, characterized in that only works. The method of claim 4,
The camera,
When the occurrence of a fire is detected by the fire detection unit, but photographs the scene where the fire occurred,
A fire detection system characterized by shooting a scene where a fire has occurred at a predetermined angle. The method of claim 4,
The fire detection device,
Fire detection system, characterized in that installed in the fire extinguisher. The method of claim 4,
The central control server,
When receiving a photograph of a fire-fighting scene from a fire detection device, compare this with the pre-stored information of nearby scenes where the fire detection device is installed to determine the risk of fire occurrence,
A fire detection system characterized in that it determines the risk according to a fire occurrence based on a preset flame size or a concentration of gas detected by the sensor of the fire detection device. The method of claim 9,
The central control server,
If the risk of fire occurrence is identified as an interest level or a danger level, a fire signal is transmitted to the fire department,
When the size of the flame or the concentration of the gas detected by the sensor of the fire detection device decreases below a preset threshold within a predetermined time period, it is recommended to send a dispatch cancellation signal to the fire department. Fire detection system characterized by. A fire detection device comprising a gas detection sensor configured to detect harmful gas generated in the event of a fire, and detecting a fire by detecting whether a hazardous environment has occurred using the sensor;
When the fire detection device detects a fire, an alarm signal generation step of generating an alarm signal so that the location of the fire can be easily known;
The fire detection device, when the occurrence of the fire is detected, the scene shooting step of sending a picture by taking a scene of the fire; And
When the central control server that pre-stores the location information where the fire detection device is installed and the site picture information of the surroundings where the fire detection device is installed, receives a picture of the fire occurrence site due to the fire from the fire detection device A fire detection method in a fire detection system comprising; a fire occurrence risk determination step of determining the risk according to a fire occurrence by comparing it with pre-stored on-site photograph information of a fire detection device.

Images