WO2021107382A1 - Système de détection d'incendie - Google Patents

Système de détection d'incendie Download PDF

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Publication number
WO2021107382A1
WO2021107382A1 PCT/KR2020/013523 KR2020013523W WO2021107382A1 WO 2021107382 A1 WO2021107382 A1 WO 2021107382A1 KR 2020013523 W KR2020013523 W KR 2020013523W WO 2021107382 A1 WO2021107382 A1 WO 2021107382A1
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WO
WIPO (PCT)
Prior art keywords
fire
sensor
computing device
alarm
value
Prior art date
Application number
PCT/KR2020/013523
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English (en)
Korean (ko)
Inventor
천건호
이화수
김경식
Original Assignee
주식회사엘디티
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 주식회사엘디티 filed Critical 주식회사엘디티
Publication of WO2021107382A1 publication Critical patent/WO2021107382A1/fr

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    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B7/00—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00
    • G08B7/06—Signalling systems according to more than one of groups G08B3/00 - G08B6/00; Personal calling systems according to more than one of groups G08B3/00 - G08B6/00 using electric transmission, e.g. involving audible and visible signalling through the use of sound and light sources
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B17/00—Fire alarms; Alarms responsive to explosion
    • G08B17/12—Actuation by presence of radiation or particles, e.g. of infrared radiation or of ions
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/001—Alarm cancelling procedures or alarm forwarding decisions, e.g. based on absence of alarm confirmation
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/006—Alarm destination chosen according to type of event, e.g. in case of fire phone the fire service, in case of medical emergency phone the ambulance
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/008—Alarm setting and unsetting, i.e. arming or disarming of the security system

Definitions

  • the present invention relates to a fire detection system, and more particularly, to a system capable of detecting a fire in an environment in which an internal network and an external network are separated.
  • Republic of Korea Patent No. 2023851 (hereinafter referred to as 'prior art)' discloses an IoT smart fire detection guidance system using an existing fire detector.
  • 'prior art discloses an IoT smart fire detection guidance system using an existing fire detector.
  • the present invention is an invention for the purpose of solving the technical problems as described above.
  • the main part including the fire detector for detecting fire is managed by the internal network, and only the part that needs to report a fire using the Internet is limited.
  • An object of the present invention is to provide a fire detection system with enhanced security by being able to manage it by an external network.
  • the fire detection system of the present invention includes a plurality of N fire detectors; M number of gateways; and a first computing device that receives and processes data packets from the M gateways, wherein each of the N fire detectors includes a plurality of sensors to detect a fire, and each of the M gateways includes the N Receiving data from at least one of the fire detectors, the N fire detectors, the M gateways, and the first computing device are characterized in that they are connected by an internal network separated from the Internet.
  • the data packet received by the first computing device from each of the M gateways may include a MAC address of the corresponding gateway; MAC address of the corresponding smoke detector; information on the remaining battery level of the corresponding smoke detector; and data information of the corresponding fire detector.
  • the data information of the fire detector may include a type of a sensor from which a detection signal is detected; an alarm signal indicating the fire hazard level for each sensor included in the fire detector; and a sensor value for each type of sensor from which the detection signal is detected.
  • each of the N fire detectors is configured to include a flame sensor, a smoke sensor, and a temperature sensor, and the type of sensor from which the detection signal is detected essentially includes the smoke sensor and the temperature sensor, and the flame sensor may or may not be included in the type of the sensor in which the detection signal is detected.
  • the sensor values for each type of the sensor from which the detection signal is detected are displayed in the order of the sensors defined in the type of the sensor from which the detection signal is detected.
  • the alarm signal indicating the fire risk for each sensor included in the fire detector includes an alarm signal of the flame sensor, an alarm signal of the smoke sensor, and an alarm signal of the smoke sensor.
  • the alarm signal of the flame sensor is classified into a 1-1 alarm in which the flame sensor detects a flame and a 1-2 alarm in which the flame is not detected.
  • the alarm signal of the smoke sensor may include: a 2-1 alarm when the smoke concentration is less than or equal to the first value; a 2-2 alarm when the smoke concentration exceeds the first value; the 2-3th alarm when the amount of change in smoke concentration per unit time is equal to or greater than the second value; and a second to fourth alarm when the smoke concentration is greater than the first value and the change amount of the smoke concentration per unit time is equal to or greater than the second value.
  • the alarm signal of the temperature sensor may include: a 3-1 alarm when the temperature value is less than or equal to the third value; a 3-2 alarm when the smoke concentration exceeds the third value; a 3-3 alarm when the change amount of the temperature value per unit time is equal to or greater than the fourth value; and a third and fourth alarm when the temperature value exceeds the third value and the change amount of the temperature value per unit time is equal to or greater than the fourth value.
  • the first computing device processes the data packets received from each of the M gateways to generate fire detection report information and transmits it to a third computing device, wherein the third computing device is It is connected to a network, and the first computing device and the third computing device are preferably connected by a wire.
  • the first computing device parses the received data packet, and compares the detection time of the pre-stored filter information and the data information of the corresponding fire detector included in the received data packet.
  • the filter information is characterized in that it is time information for ignoring the alarm signal for each sensor included in the fire detector.
  • the first computing device is configured for each sensor included in the corresponding fire detector included in the received data packet. It is preferable to determine whether a fire report is necessary by using at least one of an alarm signal indicating a fire risk level or a sensor value for each type of sensor in which the detection signal is detected.
  • the first computing device may generate fire report information when it is determined that a fire report is necessary, and may include: the generated fire report information; and a pre-stored SMS reception number according to the MAC address of the fire detector included in the received data packet, mobile application token key information, and predetermined fire station server information; characterized in that it is transmitted to the third computing device.
  • the third computing device transmits the fire report information received from the first computing device to the SMS reception number using the Internet, and pushes the message using the mobile application token key information. It is characterized in that it transmits the report information to the predetermined fire station server information.
  • the third computing device periodically transmits/receives a previously promised test packet to and from the first computing device, and checks whether the first computing device or the connection of the first computing device is abnormal.
  • the main part including the fire detector for detecting fire is managed by the internal network, and only the parts that need to report a fire using the Internet can be managed by the external network, so that security can be strengthened
  • FIG. 1 is a block diagram of a fire detection system according to a preferred embodiment of the present invention.
  • FIG. 2 is an explanatory diagram of a protocol of a data packet that a first computing device receives from a gateway;
  • 3 is a table showing data included in a data packet
  • FIG. 4 is a flowchart of processing of a received data packet by a first computing device
  • FIG. 5 is an explanatory diagram of a third computing device
  • FIG. 1 shows a configuration diagram of a fire detection system 100 according to a preferred embodiment of the present invention.
  • the fire detection system 100 includes a fire detector 10 , a gateway 20 , a first computing device 30 , and a second computing device ( 40 ) and a third computing device 50 .
  • the fire detector 10 , the gateway 20 , the first computing device 30 , and the second computing device 40 are connected by an internal network separated from the Internet so that Internet communication cannot be performed.
  • the third computing device 50 is connected to an external network that can use the Internet.
  • the first computing device 30 and the third computing device 50 are characterized in that they are connected by a wire.
  • the first computing device 30 and the third computing device 50 may be connected by wire using an RS-232 cable.
  • the fire detector 10 may be referred to as a sensor node, and includes a plurality of sensors to detect a fire, and N may be included in the fire detection system 100 . It is preferable that N is a natural number 3 or more. In addition, many sensors include flame sensors, smoke sensors, and temperature sensors.
  • the fire detector 10 operates using a battery as a power source.
  • a fire source is detected by a flame sensor, a smoke sensor, and a temperature sensor, and any one of the flame sensor, smoke sensor, and temperature sensor detects a fire source, an alarm such as a buzzer built into the fire detector 10 It is desirable to generate an alarm sound from the device.
  • the fire detector 10 and the gateway 20 are connected by wireless communication, and a plurality of fire detectors 10 may be connected to one gateway 20 .
  • the fire detector 10 periodically transmits the detected data of the current state to the gateway 20 .
  • the fire detector 10 may include a type of sensor from which a detection signal is detected; an alarm signal indicating the level of fire risk for each sensor included in the corresponding fire detector 10; and a sensor value for each type of sensor from which the detection signal is detected; characterized in that it transmits to the gateway 20 .
  • M gateways 20 may be included in the fire detection system 100 , and a plurality of fire detectors 10 may be connected to one gateway 20 .
  • M is a natural number of 2 or more.
  • the gateway 20 is operable with a constant power supply and a battery. That is, the gateway 20 is always supplied with power through the adapter, but when power is not supplied at all times, such as a power outage, the gateway 20 operates with a battery.
  • the gateway 20 is connected to the first computing device 30 through TCP/IP socket communication and performs wired communication through an Ethernet cable, and a plurality of gateways 20 are connected to one first computing device 30 . It is preferable to be The gateway 20 serves to transfer the data received from the fire detector 10 to the first computing device 30 .
  • the first computing device 30 serves to receive and process data packets from the M gateways 20 .
  • the unit data packet includes information from one fire detector 10 .
  • FIG. 2 shows an explanatory diagram of a protocol of a data packet that the first computing device 30 receives from the gateway 20 .
  • FIG. 3 is a table showing data included in a data packet received from the gateway 20 by the first computing device 30 .
  • the data packet received by the first computing device 30 from the gateway 20 includes a MAC address of the corresponding gateway 20 ; MAC address of the corresponding fire detector 10; battery level information of the corresponding smoke detector 10; and data information of the corresponding fire detector 10 .
  • the data information of the fire detector 10 the type of the sensor from which the detection signal was detected; an alarm signal indicating the level of fire risk for each sensor included in the corresponding fire detector 10; and a sensor value for each type of sensor from which the detection signal is detected.
  • the alarm signal indicating the fire risk for each sensor included in the corresponding fire detector 10 included in the data packet includes an alarm signal from a flame sensor, an alarm signal from a smoke sensor, and an alarm signal from a smoke sensor.
  • the alarm signal of the flame sensor is classified into a 1-1 alarm in which the flame sensor detects a flame and a 1-2 alarm in which the flame is not detected.
  • the alarm signal of the flame sensor is included in the alarm signal indicating the fire risk for each sensor even if the flame sensor is not included in the type of the sensor from which the detection signal is detected. That is, when the flame sensor is not included in the type of the sensor from which the detection signal is detected, the alarm signal of the flame sensor indicates the 1-2 alarm.
  • the alarm signal of the smoke sensor is a 2-1 alarm when the smoke concentration is less than or equal to the first value; a 2-2 alarm when the smoke concentration exceeds the first value; the 2-3th alarm when the amount of change in smoke concentration per unit time is equal to or greater than the second value; and a second to fourth alarm when the smoke concentration is greater than the first value and the change amount of the smoke concentration per unit time is equal to or greater than the second value. If the change amount of the smoke concentration per unit time is equal to or greater than the second value, it means that the smoke concentration has rapidly increased, and the 2-3th alarm becomes an alarm for a preliminary warning.
  • the alarm signal of the temperature sensor includes: a 3-1 alarm when the temperature value is less than or equal to the third value; a 3-2 alarm when the smoke concentration exceeds the third value; a 3-3 alarm when the change amount of the temperature value per unit time is equal to or greater than the fourth value; and third and fourth alarms when the temperature value exceeds the third value and the change amount of the temperature value per unit time is equal to or greater than the fourth value. If the change amount of the temperature value per unit time is greater than or equal to the fourth value, it means that the temperature has rapidly increased, and the 3-3 alarm becomes an alarm for a preliminary warning.
  • the type of sensor from which the detection signal included in the data packet is detected essentially includes a smoke sensor and a temperature sensor.
  • the flame sensor is included in the type of the sensor in which the detection signal is detected when a flame is generated, but is not included in the type of the sensor in which the detection signal is detected when the flame is not generated. That is, the flame sensor may or may not be included in the type of the sensor in which the detection signal is detected.
  • the sensor values for each type of sensor from which the detection signal included in the data packet are detected are displayed in the order of the sensors defined in the type of the sensor from which the detection signal is detected. For example, if the sequence of sensors defined in the type of sensor from which the detection signal is detected is a smoke sensor, a temperature sensor, and a flame sensor, the sensor values for each type of sensor from which the detection signal is detected are also displayed as smoke sensor, temperature sensor and flame sensor will become The type of the sensor from which the detection signal is detected may be classified into a smoke sensor, a temperature sensor, and a flame sensor by code.
  • FIG. 4 shows a processing flow diagram of a received data packet by the first computing device 30 .
  • the first computing device 30 receives a data packet (S10), parses the received packet according to a sensor protocol format to extract necessary data (S20), and FCS (Frame Check Sequence) value, the validity of the corresponding data packet is checked (S30). If the validity according to the FCS value is invalid, the first computing device 30 does nothing thereafter.
  • S10 data packet
  • S20 sensor protocol format
  • FCS Frarame Check Sequence
  • the first computing device 30 compares the detection time of the data information of the fire detector 10 included in the received data packet with the filter information stored in advance (S40) .
  • the filter information is characterized in that it is time information for ignoring the alarm signal for each sensor included in the fire detector 10 . That is, if the restaurant is open, you can set filter information for all of the flame sensor, smoke sensor, and temperature sensor during those hours of operation, and ignore the alarm signals for the flame sensor, smoke sensor, and temperature sensor for this time.
  • filter information may be individually set for a flame sensor, a smoke sensor, and a temperature sensor for the corresponding fire detector 10 .
  • the first computing device 30 transmits the received data packet information to the second computing device 40 when the detection time corresponds to the filter information ( S80), and ends.
  • the first computing device 30 when the detection time does not correspond to the filter information as a result of comparing the pre-stored filter information with the detection time, the first computing device 30 includes the fire detector 10 included in the received data packet. It is determined whether or not a fire report is necessary by using at least one of an alarm signal indicating the level of fire risk for each sensor or a sensor value for each type of the sensor in which the detection signal is detected (S50). However, the first computing device 30 uses only the data of the sensor whose detection time does not correspond to the filter information for the flame sensor, the smoke sensor, and the temperature sensor of the corresponding fire detector 10 to determine whether a fire report is necessary. It is preferable to judge
  • the first computing device 30 When it is determined that a fire report is necessary, the first computing device 30 generates fire report information ( S60 ), and includes the generated fire report information; and a pre-stored SMS reception number according to the MAC address of the fire detector 10 included in the received data packet, mobile application token key information, and predetermined fire station server information; is transmitted to the third computing device 50 (S70). ). In addition, the first computing device 30 transmits the information of the received data packet to the second computing device 40 ( S80 ), and ends.
  • the first computing device 30 creates a report phrase based on the extracted data to generate fire report information.
  • a plurality of second computing devices 40 may be included in the fire detection system 100 .
  • the second computing device 40 receives data from the first computing device 30 to control whether a fire has occurred.
  • 5 is an explanatory diagram of the third computing device 50 .
  • the third computing device 50 includes an external service for transmitting fire report information received from the first computing device 30 to the outside using the Internet and the first computing device 30 .
  • An internal network management service that manages whether a normal service is provided.
  • the third computing device 50 transmits the fire report information received from the first computing device 30 using the Internet to the SMS reception number, and sends a push message using the mobile application token key information. and transmits the report information to the predetermined fire station server information.
  • Transmitting the report information to the pre-specified fire station server information is to use the 119 multimedia reporting system, and by sending a warning message to the local fire station, the fire station responds with the same procedure as when an actual phone call is received.
  • the third computing device 50 periodically transmits/receives a previously agreed test packet to and from the first computing device 30 , and thus the first computing device 30 or the first computing device 30 is connected. Check for any abnormalities. If the above is confirmed, the third computing device 50 transmits a message to a preset SMS reception number, and transmits a push message using the mobile application token key information.
  • the main part including the fire detector 10 for detecting a fire is managed by the internal network, and only the part that needs to report a fire using the Internet is limited. It can be seen that it can be managed by an external network, so that security can be strengthened.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Fire Alarms (AREA)
  • Alarm Systems (AREA)

Abstract

Un système de détection d'incendie comprend : N détecteurs d'incendie parmi une pluralité; M passerelles parmi une pluralité; et un premier dispositif informatique pour recevoir un paquet de données en provenance des M passerelles et pour le traiter. Chacun des N détecteurs d'incendie possède plusieurs capteurs pour détecter un incendie. Chacune des M passerelles reçoit des données en provenance d'au moins un des N détecteurs d'incendie. Les N détecteurs d'incendie, les M passerelles et le premier dispositif informatique sont connectés au moyen d'un réseau interne séparé de l'internet.
PCT/KR2020/013523 2019-11-25 2020-10-06 Système de détection d'incendie WO2021107382A1 (fr)

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KR1020190152240A KR102295589B1 (ko) 2019-11-25 2019-11-25 화재 감지 시스템
KR10-2019-0152240 2019-11-25

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CN114320469B (zh) * 2021-12-27 2023-04-07 中国矿业大学 一种基于云-边智能的井下危险源检测方法

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KR101825706B1 (ko) * 2017-09-12 2018-03-22 박희석 중계기를 활용한 건 위험 상황 대책 시스템
KR20190010007A (ko) * 2017-07-20 2019-01-30 주식회사 엠투엠비전 IoT 게이트웨이, 관리 서버 및 사용자 단말, 및 이들을 포함하는 IoT 접속 관리 시스템
KR20190062871A (ko) * 2017-11-29 2019-06-07 유재원 Ｉｏｔ기반 수배전반 소방방재 및 예방진단 클라우드 시스템

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KR101950793B1 (ko) * 2018-07-26 2019-02-21 김석태 소방전용 자동화재 탐지설비 시스템

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KR100704018B1 (ko) * 2006-06-20 2007-04-04 (주)위니텍 유/무선 재난 자동 감시 시스템
KR20160126118A (ko) * 2015-04-22 2016-11-02 최상호 안전 관제 시스템
KR20190010007A (ko) * 2017-07-20 2019-01-30 주식회사 엠투엠비전 IoT 게이트웨이, 관리 서버 및 사용자 단말, 및 이들을 포함하는 IoT 접속 관리 시스템
KR101825706B1 (ko) * 2017-09-12 2018-03-22 박희석 중계기를 활용한 건 위험 상황 대책 시스템
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