CN111613005A - Marine fire alarm system and alarm method thereof - Google Patents
Marine fire alarm system and alarm method thereof Download PDFInfo
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- CN111613005A CN111613005A CN202010357298.7A CN202010357298A CN111613005A CN 111613005 A CN111613005 A CN 111613005A CN 202010357298 A CN202010357298 A CN 202010357298A CN 111613005 A CN111613005 A CN 111613005A
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- 238000007405 data analysis Methods 0.000 claims abstract description 11
- 230000002452 interceptive effect Effects 0.000 claims abstract description 7
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- 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
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/06—Electric actuation of the alarm, e.g. using a thermally-operated switch
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- 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
- G08B25/002—Generating a prealarm to the central station
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
- G08B25/10—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using wireless transmission systems
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Abstract
The invention discloses a marine fire alarm system and an alarm method thereof, wherein the marine fire alarm system comprises a fire alarm controller and a plurality of detector loops; each detector loop is provided with a plurality of smoke detectors and/or temperature detectors; the fire alarm controller has the functions of power supply input and management, detector loop connection management, fire alarm identification and alarm of the whole alarm system and interactive communication through network connection with a bank end server; the smoke detector and/or the temperature detector report the currently measured smoke concentration value and/or temperature value once in each communication period, and the fire alarm controller carries out data analysis on the received smoke concentration value and/or temperature value to realize fire alarm early warning or fault diagnosis. According to the invention, the early warning function before the fire alarm control system alarms and triggers the alarm is realized by analyzing the measurement data of the detector in real time, so that the probability of fire occurrence is effectively reduced; in addition, the fire alarm system provided by the invention also has more accurate fault diagnosis capability.
Description
Technical Field
The invention relates to the technical field of fire alarm, in particular to a marine fire alarm system and an alarm method thereof.
Background
In many important office buildings, warehouses, transformer substations and control centers of the traffic port and navigation system, various ships with the total ton of more than 500 are provided with fire alarm systems according to relevant provisions such as national standard ' high-rise civil building design fire protection standard ', building design fire protection standard ' and international maritime organization ' SOLAS convention ', and play an important role in fire safety and security work.
In response to fire alarms, our basic strategy is to defend in the bud. The fire alarm system is used as an important fire safety device and needs to be maintained in time once problems occur. Particularly in the field of ship transportation, PSC inspection can check a large amount of ship outage penalty tickets caused by the failure of fire alarm equipment every year, and the equipment is forcibly required to be maintained normally and then can sail continuously, so that huge loss of manpower, material resources and financial resources is caused; meanwhile, due to the special environment of the ship in the isolated suspension sea, once a fire accident caused by the failure of a fire alarm system and untimely alarm occurs, extremely serious consequences can be generated. This places higher demands on the fault diagnosis capability of the equipment.
In the prior art, the invention patent with application number 201610637634.7 discloses a ship positioning navigation and safety early warning alarm system, which comprises an information acquisition unit, a main control unit, a display control unit, an ejection control unit, an antenna transceiving unit and a power management unit, wherein the information acquisition unit can transmit the acquired relevant information of a ship to the main control unit, the main control unit analyzes and processes the received various information in real time, stores the various information and displays the information through the display control unit, when a certain type of important information reaches a certain threshold value, the main control unit excites the relevant equipment and generates alarm information, and meanwhile, the alarm information can be stably transmitted to the relevant equipment or systems such as a command center and the like through a Beidou system and the like. However, the alarm system in the invention can only remind in time when a dangerous case occurs, and cannot early warn for a certain time in advance.
The invention patent with application number 201110127487.6 discloses a fire early warning method in a ship engine room. The traditional ship engine room fire alarm system mainly depends on temperature and smoke sensors, has high false alarm rate of fire and has great limitation. When the method is used for carrying out video fire analysis, the flame color information and the flame motion information are fused, the fused flame color information and the fused flame motion information are fused with the temperature information and the smoke information in the ship engine room, the area characteristic of the flame is fully considered, and the real-time and accurate fire detection is realized under the condition of reducing the false fire alarm rate. Although the invention can reduce the false alarm rate of fire to a certain extent, the invention needs to install the camera in a large scale, thus greatly increasing the installation cost.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a marine fire alarm system and an alarm method thereof, which realize the early warning function before the alarm triggering of the fire alarm control system is realized by analyzing the measurement data of a detector in real time, effectively reduce the probability of fire occurrence, and provide more sufficient time for evacuation of personnel and property after the fire is confirmed; in addition, the fire alarm system provided by the invention also has more accurate fault diagnosis capability.
The technical scheme adopted by the invention for solving the technical problem is as follows: a fire alarm system for a ship comprises a fire alarm controller and a plurality of detector loops; each detector loop is provided with a plurality of smoke detectors and/or temperature detectors; the fire alarm controller has the functions of power supply input and management of the whole alarm system, detector loop connection management, fire alarm identification and alarm, and interactive communication through network connection with a bank end server; the smoke detector and/or the temperature detector have real-time sending capacity of smoke concentration and/or temperature, the smoke detector and/or the temperature detector report a currently measured smoke concentration value and/or temperature value once in each communication period, and the fire alarm controller performs data analysis on the received smoke concentration value and/or temperature value to realize fire alarm early warning or fault diagnosis.
Furthermore, a power module, a network module, a main control module and a storage module are arranged in the fire alarm controller; the power supply module is connected with the network module, the main control module and the storage module and is used for power supply input and management of each module in the alarm system; the network module is connected with a bank end server and is connected with the bank end server through a network to perform an interactive communication function; the main control module is connected with the detector loop and used for analyzing and alarming data reported by the detector in real time, synchronously sending the information to the network module and uploading the information to the shore end server through the network module; the storage module is connected with the main control module and used for storing the data of the detector, so that the main control module can call and analyze the data at any time.
Furthermore, a man-machine interaction module is arranged outside the fire alarm controller and used for displaying information and realizing man-machine interaction with a user; the human-computer interaction module comprises a display screen and an operation key; and the man-machine interaction module is connected with a power module in the fire alarm controller.
Further, the communication mode between the fire alarm controller and the shore-side server comprises one or more of 4G, 5G and satellite communication.
An alarm method of a fire alarm system for a ship, the alarm method comprises the following steps: the smoke detector and/or the temperature-sensitive detector on the detector loop acquire the smoke-sensitive concentration and/or the temperature value of each detection point in real time, and report the currently measured smoke-sensitive concentration value and/or temperature value to the fire alarm controller in each communication period, the fire alarm controller stores data and performs data analysis, and the fire alarm controller performs pre-judgment according to the change curve of the data to realize fire alarm early warning or fault diagnosis.
The existing smoke detector and/or temperature detector need to preset a threshold value, when the concentration reaches the preset threshold value, an alarm is triggered, and when the alarm is not triggered, only response communication is carried out with a host, and no specific measurement data is transmitted. In the invention, the smoke detector and/or the temperature-sensitive detector reports the currently measured smoke concentration value and/or temperature value to a main control module in a fire alarm controller in each communication period, the main control module stores the reported data in a storage module in the fire alarm controller, analyzes the reported data in real time, synchronously sends information to a network module in the fire alarm controller, and uploads the information to a shore-end server through the network module; when the data of the detector received by the main control module are abnormally fluctuated in a plurality of continuous communication cycles, the alarm system can send out early warning to prompt related personnel to confirm on site at an abnormal place.
The existing fire alarm system judges whether the detector fault is in a normal communication mode, the detector usually has a fault that the communication function of the detector is normal, but the most critical sensing function is faulty, and under the condition, the original fault diagnosis mechanism cannot detect the fault, so that the embarrassment that the fire alarm system cannot give an alarm in case of fire occurs can be caused. In the invention, the smoke detector and/or the temperature-sensing detector report the currently measured smoke concentration value and/or temperature value to the main control module in the fire alarm controller in each communication period, and when the detector has a fault, the smoke concentration value and/or temperature cannot be detected, or the measured data is obviously abnormal, the main control module can judge that the detector has the fault through data analysis, thereby reminding a user of replacing the faulty equipment in time, and greatly reducing the problem of untimely disposal caused by the failure of the fire alarm system. Meanwhile, the problem that the PSC inspection is unqualified and is forcibly modified due to the problem is avoided, and time and money loss is greatly reduced.
Furthermore, the duration range of the communication period is 0.5-2 seconds per 255 monitoring points, and the duration range can be set through a fire alarm controller.
The invention has the beneficial effects that: compared with the prior art, the marine fire alarm system and the alarm method thereof realize the early warning function before the fire alarm control system triggers the alarm by analyzing the measured data of the detector in real time, can lead the handling time of the fire alarm to be 5-30 minutes, effectively reduce the probability of fire occurrence, and provide more abundant time for evacuation of personnel and property after the fire is confirmed; in addition, the fire alarm system provided by the invention also has more accurate fault diagnosis capability.
Drawings
FIG. 1: the invention provides a structural composition block diagram of a marine fire alarm system.
FIG. 2: the invention provides a structural schematic diagram of a marine fire alarm system.
FIG. 3: the invention provides a working principle diagram of a temperature sensing detector in a marine fire alarm system.
FIG. 4: the invention provides a working principle diagram of a smoke detector in a marine fire alarm system.
Wherein, 1-a fire alarm controller; 2-a power supply module; 3-a storage module; 4-a display screen; 5, a main control module; 6-a network module; 7-a bank end server; 8-a smoke detector; 9-temperature sensing detector.
Detailed Description
The invention is further illustrated by the following specific examples. These examples are intended to illustrate the invention and are not intended to limit the scope of the invention.
As shown in fig. 1 to 4, a fire alarm system for a ship, the alarm system includes a fire alarm controller 1 and a plurality of detector circuits; each detector loop is provided with a plurality of smoke detectors 8 and/or temperature detectors 9; the fire alarm controller 1 has the functions of power supply input and management, detector loop connection management, fire alarm identification and alarm of the whole alarm system, and interactive communication through network connection with a bank end server 7; the smoke detector 8 and/or the temperature detector 9 have a real-time sending capability of smoke-sensitive concentration and/or temperature, the smoke detector 8 and/or the temperature detector 9 report a currently measured smoke-sensitive concentration value and/or temperature value once in each communication cycle, and the fire alarm controller 1 performs data analysis on the received smoke-sensitive concentration value and/or temperature value to realize fire alarm early warning or fault diagnosis. The duration range of the communication period is 1 second/255 monitoring points, and can be set through the fire alarm controller 1.
A power module 2, a network module 6, a main control module 5 and a storage module 3 are arranged in the fire alarm controller 1; the power supply module 2 is connected with the network module 6, the main control module 5 and the storage module 3 and is used for power supply input and management of each module in the alarm system; the network module 6 is connected with a bank end server 7 and is connected with the bank end server 7 through a network to perform an interactive communication function; the main control module 5 is connected with the detector loop and used for analyzing and alarming data reported by the detector in real time, synchronously sending the information to the network module 6 and uploading the information to the shore end server 7 through the network module 6; the storage module 3 is connected with the main control module 5 and used for storing the data of the detector, so that the main control module 5 can call and analyze the data at any time.
A man-machine interaction module is arranged outside the fire alarm controller 1 and used for displaying information and realizing man-machine interaction with a user; the human-computer interaction module comprises a display screen 4 and operation keys; and the human-computer interaction module is connected with a power module 2 in the fire alarm controller 1.
The communication mode between the fire alarm controller 1 and the shore-side server 7 comprises one or more of 4G, 5G and satellite communication.
An alarm method of a fire alarm system for a ship, the alarm method comprises the following steps: the smoke detector 8 and/or the temperature detector 9 on the detector loop acquire the smoke concentration and/or the temperature value of each detection point in real time, and report the currently measured smoke concentration and/or temperature value to the fire alarm controller 1 in each communication period, the fire alarm controller 1 stores data and performs data analysis, and pre-judgment is made through the change curve of the data, so that fire alarm early warning or fault diagnosis is realized.
The existing smoke detector 8 and/or the existing temperature detector 9 need to be preset with threshold values, when the concentration reaches the preset threshold value, an alarm is triggered, when the alarm is not triggered, only response communication is carried out with a host, and no specific measurement data is transmitted. In the invention, the smoke detector 8 and/or the temperature detector 9 report the currently measured smoke concentration value and/or temperature value to the main control module 5 in the fire alarm controller 1 in each communication cycle, the main control module 5 stores the reported data in the storage module 3 in the fire alarm controller 1, analyzes the reported data in real time, synchronously sends the information to the network module 6 in the fire alarm controller 1, and uploads the information to the shore-end server 7 through the network module 6; when the data of the detector received by the main control module 5 fluctuates abnormally in a plurality of continuous communication cycles, the alarm system can send out early warning to prompt related personnel to confirm on site at an abnormal place.
The action principle of the temperature-sensitive detector 9 is shown in fig. 3, point a is a temperature value measured by the temperature-sensitive detector 9 in a normal state, the traditional temperature-sensitive detector 9 triggers an alarm only when the measured temperature reaches a preset threshold value (point D in the figure) and lasts for a certain time, a continuous rapid heating process (a stage from point B to point C in the figure) is often generated in a fire, the system can rapidly judge that the fluctuation from point B to point C is an abnormal condition through data analysis, and related personnel can rapidly arrive at an abnormal place for on-site confirmation through early warning prompt to perform corresponding treatment.
The action principle of the smoke detector 8 is shown in fig. 4, point a is the smoke concentration measured by the smoke detector 8 in a normal state, the traditional smoke detector 8 triggers an alarm only when the measured concentration reaches a preset threshold value (point D in the figure) and lasts for a certain time, and when the smoke concentration suddenly changes (point B to point C in the figure), the system can quickly judge the fluctuation from point B to point C to be an abnormal condition through data analysis, and personnel intervention is confirmed through early warning prompt.
The existing fire alarm system judges whether the detector fault is in a normal communication mode, the detector usually has a fault that the communication function of the detector is normal, but the most critical sensing function is faulty, and under the condition, the original fault diagnosis mechanism cannot detect the fault, so that the embarrassment that the fire alarm system cannot give an alarm in case of fire occurs can be caused. In the invention, the smoke detector 8 and/or the temperature sensitive detector 9 report the currently measured smoke concentration value and/or temperature value to the main control module 5 in the fire alarm controller 1 in each communication cycle, when the detector has a fault, the smoke concentration and/or temperature cannot be detected, or the measured data is obviously abnormal, the main control module 5 can judge that the detector has the fault through data analysis, thereby reminding a user of replacing the faulty equipment in time, and greatly reducing the problem of untimely disposal caused by the failure of the fire alarm system. Meanwhile, the problem that the PSC inspection is unqualified and is forcibly modified due to the problem is avoided, and time and money loss is greatly reduced.
The above embodiments are only for illustrating the invention and are not to be construed as limiting the invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the invention, therefore, all equivalent technical solutions also belong to the scope of the invention, and the scope of the invention is defined by the claims.
Claims (8)
1. A marine fire alarm system characterized in that: the alarm system comprises a fire alarm controller and a plurality of detector loops; each detector loop is provided with a plurality of smoke detectors and/or temperature detectors; the fire alarm controller has the functions of power supply input and management of the whole alarm system, detector loop connection management, fire alarm identification and alarm, and interactive communication through network connection with a bank end server; the smoke detector and/or the temperature-sensitive detector have real-time data sending capacity, the smoke detector and/or the temperature-sensitive detector report currently measured data once in each communication cycle, and the fire alarm controller performs data analysis on the received real-time data to realize fire alarm early warning or fault diagnosis.
2. A fire alarm system for a ship according to claim 1, wherein: a power supply module, a network module, a main control module and a storage module are arranged in the fire alarm controller; the power supply module is connected with the network module, the main control module and the storage module and is used for power supply input and management of each module in the alarm system; the network module is connected with a bank end server and is connected with the bank end server through a network to perform an interactive communication function; the main control module is connected with the detector loop and used for analyzing and alarming data reported by the detector in real time, synchronously sending the information to the network module and uploading the information to the shore end server through the network module; the storage module is connected with the main control module and used for storing the data of the detector, so that the main control module can call and analyze the data at any time.
3. A fire alarm system for a ship according to claim 1 or 2, wherein: a man-machine interaction module is arranged outside the fire alarm controller and used for displaying information and realizing man-machine interaction with a user; the human-computer interaction module comprises a display screen and an operation key; and the man-machine interaction module is connected with a power module in the fire alarm controller.
4. A fire alarm system for a ship according to claim 1 or 2, wherein: the communication mode between the fire alarm controller and the shore end server comprises one or more of 4G, 5G and satellite communication.
5. A method of alarming in a fire alarm system for a ship as set forth in claim 1, wherein the method of alarming is: the smoke detector and/or the temperature-sensitive detector on the detector loop acquire data of each detection point in real time, and report the currently measured real-time data to the fire alarm controller in each communication period, the fire alarm controller stores the data and performs data analysis, and the pre-judgment is made through the change curve of the data, so that fire alarm early warning or fault diagnosis is realized.
6. The warning method of a fire warning system for a ship of claim 5, wherein: the smoke detector and/or the temperature-sensitive detector reports currently measured real-time data to a main control module in the fire alarm controller in each communication cycle, the main control module stores the reported data in a storage module in the fire alarm controller, analyzes the reported data in real time, synchronously sends information to a network module in the fire alarm controller, and uploads the information to a bank-end server through the network module; when the data of the detector received by the main control module are abnormally fluctuated in a plurality of continuous communication cycles, the alarm system can send out early warning to prompt related personnel to confirm on site at an abnormal place.
7. The warning method of a fire warning system for a ship of claim 5, wherein: the smoke detector and/or the temperature-sensitive detector report the currently measured real-time data to the main control module in the fire alarm controller in each communication cycle, and when the detector has a fault, the data cannot be detected, or the measured data is obviously abnormal, the main control module can analyze and judge that the detector has the fault through the data, so that a user is reminded of replacing the faulty equipment in time.
8. The warning method of a fire warning system for a ship according to any one of claims 5 to 7, wherein: the duration range of the communication period is 0.5-2 seconds/255 monitoring points, and the duration range can be set through a fire alarm controller.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010357298.7A CN111613005A (en) | 2020-04-29 | 2020-04-29 | Marine fire alarm system and alarm method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010357298.7A CN111613005A (en) | 2020-04-29 | 2020-04-29 | Marine fire alarm system and alarm method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112288273A (en) * | 2020-10-29 | 2021-01-29 | 广东海洋大学 | Intelligent information management system for offshore small ship |
| CN112766909A (en) * | 2021-01-20 | 2021-05-07 | 上海船舶电子设备研究所(中国船舶重工集团公司第七二六研究所) | Intelligent management and control system and method suitable for ship fire safety and computer medium |
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| JP2009265901A (en) * | 2008-04-24 | 2009-11-12 | Hochiki Corp | Disaster preventive monitoring system |
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Application publication date: 20200901 |