CN111341080A - Fire-fighting monitoring and alarming system and method - Google Patents
Fire-fighting monitoring and alarming system and method Download PDFInfo
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- CN111341080A CN111341080A CN202010138422.0A CN202010138422A CN111341080A CN 111341080 A CN111341080 A CN 111341080A CN 202010138422 A CN202010138422 A CN 202010138422A CN 111341080 A CN111341080 A CN 111341080A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 59
- 238000000034 method Methods 0.000 title claims description 20
- 238000004891 communication Methods 0.000 claims abstract description 15
- 238000001514 detection method Methods 0.000 claims abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 26
- 230000007613 environmental effect Effects 0.000 claims description 11
- 239000000779 smoke Substances 0.000 claims description 11
- 239000007921 spray Substances 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 230000001755 vocal effect Effects 0.000 claims description 2
- 238000004458 analytical method Methods 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 abstract 1
- 238000004364 calculation method Methods 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 abstract 1
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- 238000005034 decoration Methods 0.000 description 1
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
- G08B29/18—Prevention or correction of operating errors
- G08B29/185—Signal analysis techniques for reducing or preventing false alarms or for enhancing the reliability of the system
- G08B29/188—Data fusion; cooperative systems, e.g. voting among different detectors
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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
- G08B17/12—Actuation by presence of radiation or particles, e.g. of infrared radiation or of ions
- G08B17/125—Actuation by presence of radiation or particles, e.g. of infrared radiation or of ions by using a video camera to detect fire or smoke
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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
- G08B25/008—Alarm setting and unsetting, i.e. arming or disarming of the security system
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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
- G08B25/01—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
- G08B25/08—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 communication transmission lines
-
- 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
- G08B25/12—Manually actuated calamity alarm transmitting arrangements emergency non-personal manually actuated alarm, activators, e.g. details of alarm push buttons mounted on an infrastructure
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Abstract
The invention discloses an intelligent fire-fighting linkage system. Including fire control hidden danger monitoring module, alarm module, fire extinguishing module, emergent module, monitoring module and the stand-by power supply module of fleing, fire control hidden danger detection module, alarm module, fire extinguishing module and emergent module of fleing pass through network transmission module connection control unit, control unit is used for right fire control hidden danger detection module alarm module the fire extinguishing module the emergent module of fleing carries out data collection, conversion, calculation, analysis and communication, control unit with monitoring module communicates through gateway and fire control surveillance center, fire control surveillance center communicates through dedicated line and fire control platform. The front-end monitoring module adopts wireless communication, potential safety hazards in electric wire arrangement are reduced, and meanwhile, the fire extinguishing module is provided with a plurality of sensors, so that the defects caused by manual inspection are reduced.
Description
Technical Field
The invention relates to the technical field of fire fighting, in particular to a fire fighting monitoring and alarming system and method.
Background
Building scale is bigger and bigger, and is more and more complicated, also the conflagration takes place more easily, consequently to fire extinguishing system's requirement is higher and higher, and the monitoring module of the fire extinguishing system front end of current building still adopts the electric wire wiring, along with monitoring sensor's increase, the electric wire that needs to arrange is also more, has increased the potential safety hazard in the intangible. In addition, the conventional smoke detector for fire monitoring has mode detection, so that false alarm often occurs, fire or false alarm cannot be accurately predicted, a fire fighting system becomes a decoration, and a large amount of labor cost is wasted.
Disclosure of Invention
The invention aims to provide a fire-fighting monitoring and alarming system and method which can accurately monitor fire and prevent false alarm.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a fire monitoring and alarm method for use in a fire monitoring and alarm system including a control unit and at least two types of detectors, the method comprising:
the method comprises the following steps: setting the weight and the comparison alarm coefficient of the plurality of detectors;
step two: the detector records monitoring alarm and reports the weight of the detector and the alarm level to the control unit;
step three: the control unit records the first alarm time and the second alarm time;
step four: the control unit calculates an actual alarm coefficient, compares the actual alarm coefficient with a set comparison alarm coefficient and determines an alarm level;
step five: the alarm level accords with the system fire alarm, and an alarm signal is sent to the monitoring center and the mobile control terminal; the alarm level does not accord with the fire alarm, the alarm level of the system is eliminated, and the detector is reset;
step six: the video of the supervisor is checked again to confirm the alarm level;
step seven: the video confirms that the alarm level is correct, and fire alarm, personnel evacuation and rescue work are started; the video confirms that the alarm level does not conform to the alarm level, the alarm level is eliminated and the detector is reset at the same time, wherein the alarm level belongs to false alarm;
step eight: reporting the fire condition to a fire platform of a fire department.
Further, the detectors are provided in two types.
Further, the method also comprises user feedback, and the sixth step is started immediately after the monitoring center receives the user feedback.
Optionally, the user feedback comprises user pressing a manual alarm button, telephone feedback, Web platform feedback, and verbal feedback.
Further, after the first alarm time and the second alarm time exceed the set time, the control unit cancels the alarm level and resets the detector.
A fire-fighting monitoring and alarming system comprises a monitoring module, an alarming module and a fire-fighting module, wherein the monitoring module is in network communication with a monitoring center, the monitoring center is in communication with a fire-fighting platform through a dedicated line, and is in remote communication with a mobile control end through the internet; wherein:
the detection module is used for detecting environmental data and transmitting the environmental data to the monitoring center;
the monitoring module comprises a plurality of cameras for recording image content and sound content;
the alarm module is used for alarming;
the fire-fighting module is used for fire extinguishment.
Furthermore, the monitoring module comprises a plurality of detectors and a control unit, the detectors are at least two different types of detectors and respectively monitor different environmental data, the detectors comprise sensors, analog-to-digital converters and wireless sending modules, the sensors monitor environmental signals, analog signals are converted into digital signals through the analog-to-digital converters, and the digital signals are transmitted to the control unit through the wireless sending modules.
Preferably, the two different types of detectors are mounted at a distance of no more than one meter.
Further, the fire fighting module comprises a fire water tank, a spray header system, a fire hydrant system, a smoke exhaust management system and a plurality of fire extinguishers, wherein the fire water tank is arranged at the top of the building, and internal land and water pipelines are conveyed to the spray header system and the fire hydrant system through a water pump; the smoke exhaust system is provided with a fan, and smoke is exhausted through the fan.
Furthermore, a liquid level acquisition unit is arranged in the fire water tank and used for monitoring the water level and the capacity in the water tank; and pressure sensors are arranged in the spray header system and the fire hydrant system and used for monitoring the water pressure in the system management.
The invention has the beneficial effects that:
1. the system is provided with at least two types of detectors to monitor different environmental data respectively, and then the environmental data are transmitted to the control unit to be calculated and analyzed, so that the alarm reliability and the alarm level are accurately judged, the false alarm and the false missing alarm can be effectively reduced, and then the alarm reliability and the alarm level are confirmed again through the reconfirmation of the monitoring module.
2. The system monitoring module adopts wireless networking, can effectively avoid potential safety hazards caused by wired connection, and can not influence the work of the monitoring module when a fire disaster occurs.
Drawings
FIG. 1 is a schematic diagram of the system module of the present invention;
FIG. 2 is a schematic diagram of the control unit of the present invention;
FIG. 3 is a schematic diagram of the fire fighting module of the present invention;
FIG. 4 is a schematic diagram of a fire monitoring method of the present invention;
FIG. 5 is a schematic of the alarm level of the present invention;
fig. 6 is a flow chart of the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The utility model provides a fire control monitoring, alarm system, as shown in figure 1, includes monitoring module, alarm module and fire control module, and above-mentioned module carries out network communication with the surveillance center, and the surveillance center communicates through dedicated line and fire control platform, carries out remote communication through internet and mobile control end simultaneously. Wherein:
the monitoring module comprises a plurality of detectors, the detectors comprise sensors, analog-to-digital converters and wireless sending modules, the sensors monitor environmental signals, analog signals are converted into digital signals through the analog-to-digital converters, and the digital signals are transmitted to the control unit through the wireless sending modules. As shown in fig. 2, the control unit includes a processor, a memory and a communication module, the processor adopts an ARM M7 type processor for processing, calculating and analyzing data, the memory is used for installing an operating system and an application program, the operating system adopts an embedded operating system, and the communication module includes a wireless receiving module. The wireless receiving module is used for receiving the digital signals which cannot be transmitted by the transmitting module, transmitting the digital signals to the memory for storage, and operating and analyzing the digital signals through the processor. The plurality of detectors are wirelessly networked through respective wireless transmitting modules and wireless receiving modules of the control unit, wireless control is achieved, the use of detector wires can be reduced, and potential safety hazards caused by wire arrangement are reduced. The detectors are at least two different types of detectors, different environment data are respectively monitored, and the installation distance of each type of detector is not more than one meter.
The monitoring module comprises a plurality of cameras, the cameras are arranged between walkways of a community or a building respectively and used for recording image content and sound content between the walkways, the cameras are gathered to a video recorder (NVR) through a gateway, the video recorder is used for storing the image content and the sound content recorded by the cameras, and the video recorder is arranged in a monitoring center. The cameras of the embodiment have an automatic focusing function, and can simultaneously realize a face automatic identification function, a dynamic portrait acquisition function and a high risk group tracking function.
The alarm module comprises a manual alarm button and a plurality of alarms, the alarms are arranged between walkways of a community or a building and used for manual alarm feedback of users, and the alarms are used for generating alarm prompt tones and prompting people to evacuate quickly after fire conditions are confirmed. In order to reduce potential safety hazards caused by wire arrangement, the manual alarm button and the plurality of alarms are provided with wireless communication modules, and the wireless communication modules can be in wireless communication with the control units in the monitoring modules.
The fire-fighting module is used for fire rescue work after a fire disaster occurs, and comprises a fire-fighting water tank, a spray header system, a fire hydrant system, a smoke exhaust pipeline system and a plurality of fire extinguishers, wherein the fire-fighting water tank is arranged at the top of a building, and water in the fire-fighting water tank is conveyed to the spray header system and the fire hydrant system through a water pump through pipelines. Inside liquid level acquisition unit that is provided with of fire water tank for inside water level and the water capacity of monitoring water tank, shower head system and fire hydrant system are provided with pressure sensor for the inside water pressure of monitoring pipeline can go out smoothly when guaranteeing the conflagration emergence and put out a fire. The smoke exhaust pipeline system is arranged at the top of each layer of walkways of the building, smoke is exhausted through the fan, and the fire extinguishers are arranged between each layer of the building.
The monitoring center is a control center of the system and comprises a plurality of computers, a plurality of servers, a control platform, a voice alarm unit and a display screen, wherein the computers are provided with application programs for monitoring and managing the submodules, the servers are used for processing, computing and analyzing data and storing the data, and the control platform is used for arranging the computers and the servers. The image content recorded by the camera in the monitoring module is transmitted to the display screen for real-time monitoring through the decoder.
The invention provides a fire-fighting monitoring and alarming method, as shown in fig. 4, the method comprises the following steps:
step S1: the control unit in the system is provided with the weights of a plurality of detectors and comparison alarm coefficients, the weights of the detectors are used for calculating the actual alarm coefficient of the fire, and then the actual alarm coefficient is compared with the comparison alarm system arranged by the system, so that the reliability of fire alarm is obtained, and the alarm level is determined.
Step S2: the detector records the monitoring alarm and reports the weight of the detector and the alarm level to the control unit.
Step S3: the control unit records the first alarm time and the second alarm time.
Step S4: the control unit calculates an actual alarm coefficient, compares the actual alarm coefficient with a set comparison alarm coefficient and determines an alarm level.
Step S5: the alarm level accords with the system fire alarm, and an alarm signal is sent to the monitoring center and the mobile control terminal; the alarm level is not in accordance with the fire alarm, the system alarm level is eliminated, and the detector is reset at the same time.
Step S6: and the video of the supervisor is checked again to confirm the alarm level.
Step S7: the video confirms that the alarm level is correct, and fire alarm, personnel evacuation and rescue work are started; and the video confirms that the alarm level is not accordant and belongs to false alarm, eliminates the alarm level and resets the detector at the same time.
Step S8: reporting the fire condition to a fire platform of a fire department.
Wherein the weights of different detectors are different and denoted by W, the present embodiment provides two types of detectors, the first detector having a weight of W1, and the second detector having a weight of W2. Time is denoted by S, in seconds, the actual alarm coefficient is denoted by P, P ═ W1+ W2)/S.
For example, the first detector adopts a smoke detector, the weight is set to 60, the second detector adopts a temperature detector, the weight is set to 40, the comparison alarm coefficient is set to 0.5, the interval between the first alarm time and the second alarm time is 60 seconds, the actual alarm coefficient P is (60+40)/60 is 1.67, and is greater than the comparison alarm coefficient 0.5, and the system judges that the fire occurs. If the second alarm does not occur, the system records that the alarm level is automatically eliminated after the first alarm time exceeds 300 seconds, and resets the detector for the first alarm.
As shown in fig. 5, the actual alarm coefficient and alarm level determined by the system correspond to the time of the first alarm and the second alarm, respectively. The system can modify the comparison alarm coefficient, the first alarm time and the second alarm time, thereby customizing the alarm level.
The control unit processes the fire alarm process, as shown in fig. 6:
101: the control unit sets the weight of the sensor and compares the alarm coefficient;
102: monitoring alarm occurrence by a first detector, and reporting the weight and the alarm level of the first detector;
103: monitoring the occurrence of alarm by the second detector, and marking the weight and the alarm level of the second detector;
104: the control unit records the time of the first alarm and the second alarm;
105: if the alarm level is greater than the set value, eliminating the alarm level, and initializing a first detector and a second detector;
106: within a set value, acquiring alarm time of a first detector and alarm time of a second detector;
107: the processor calculates an actual alarm coefficient according to the P ═ W1+ W2/S, and determines the alarm level;
108: comparing the actual alarm coefficient with the set comparison alarm to determine the alarm reliability and the alarm level;
109: the alarm reliability is low, false alarm is confirmed, the alarm level is eliminated, and a first detector and a second detector are initialized;
110: the alarm reliability is high, and an alarm signal is sent to a monitoring center and a mobile control end;
111: the supervisor checks the monitoring video in time and confirms the alarm reliability and the alarm level again;
112: video confirming whether a fire occurs;
113: video confirms that no fire occurs, confirms that false alarm occurs, eliminates alarm level and initializes a first detector and a second detector;
114: video confirms that there is fire, confirms the fire, send the information of the fire situation;
115: starting a fire-fighting program, evacuating personnel and rescuing the personnel;
116: reporting to a fire-fighting platform;
117: the user sends fire feedback through the manual alarm button.
In the video confirmation stage, if the video in the area has no image, the supervisor needs to confirm the alarm reliability and the alarm level in the field.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A fire-fighting monitoring and alarming method is characterized in that: the method is applied to a fire fighting monitoring and alarming system, wherein the fire fighting monitoring and alarming system comprises a control unit and at least two types of detectors, and the method comprises the following steps:
s1: setting the weight and the comparison alarm coefficient of the plurality of detectors;
s2: the detector records monitoring alarm and reports the weight of the detector and the alarm level to the control unit;
s3: the control unit records the first alarm time and the second alarm time;
s4: the control unit calculates an actual alarm coefficient, compares the actual alarm coefficient with a set comparison alarm coefficient and determines an alarm level;
s5: the alarm level accords with the system fire alarm, and an alarm signal is sent to the monitoring center and the mobile control terminal; the alarm level does not accord with the fire alarm, the alarm level of the system is eliminated, and the detector is reset;
s6: the video of the supervisor is checked again to confirm the alarm level;
s7: the video confirms that the alarm level is correct, and fire alarm, personnel evacuation and rescue work are started; the video confirms that the alarm level does not conform to the alarm level, the alarm level is eliminated and the detector is reset at the same time, wherein the alarm level belongs to false alarm;
s8: reporting the fire condition to a fire platform of a fire department.
2. A fire monitoring and alarm method as recited in claim 1 wherein: the detectors are provided in two types.
3. A fire monitoring and alarm method as recited in claim 2 wherein: the method further comprises user feedback, and step S6 is started immediately after the monitoring center receives the user feedback.
4. A fire monitoring and alarm method as recited in claim 3 wherein: the user feedback includes user pressing of a manual alarm button, telephone feedback, Web platform feedback, and verbal feedback.
5. A fire monitoring and alarm method as defined in any one of claims 1-4, wherein: and after the first alarm time and the second alarm time exceed the set time, the control unit cancels the alarm level and resets the detector.
6. A fire monitoring and alarm system as defined in claim 5, wherein: the system comprises a monitoring module, an alarm module and a fire-fighting module, wherein the monitoring module is in network communication with a monitoring center, and the monitoring center is in communication with a fire-fighting platform through a dedicated line and is in remote communication with a mobile control terminal through the internet; wherein:
the detection module is used for detecting environmental data and transmitting the environmental data to the monitoring center;
the monitoring module comprises a plurality of cameras for recording image content and sound content;
the alarm module is used for alarming;
the fire-fighting module is used for fire extinguishment.
7. A fire monitoring and alarm system as defined in claim 6, wherein: the monitoring module comprises a plurality of detectors and a control unit, the detectors are at least two different types of detectors and respectively monitor different environmental data, the detectors comprise sensors, analog-to-digital converters and wireless sending modules, the sensors monitor environmental signals, the analog-to-digital converters convert the analog signals into digital signals, and the wireless sending modules send the digital signals to the control unit.
8. A fire monitoring and alarm system as defined in claim 7, wherein: the installation distance of the two different types of detectors does not exceed one meter.
9. A fire monitoring and alarm system as defined in any one of claims 5-8, wherein: the fire fighting module comprises a fire fighting water tank, a spray header system, a fire hydrant system, a smoke exhaust management system and a plurality of fire extinguishers, wherein the fire fighting water tank is arranged at the top of the building, and internal land and water pipelines are conveyed to the spray header system and the fire hydrant system through a water pump; the smoke exhaust system is provided with a fan, and smoke is exhausted through the fan.
10. A fire monitoring and alarm system as defined in claim 9, wherein: a liquid level acquisition unit is arranged in the fire-fighting water tank and used for monitoring the water level and the volume in the water tank; and pressure sensors are arranged in the spray header system and the fire hydrant system and used for monitoring the water pressure in the system management.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010138422.0A CN111341080A (en) | 2020-03-03 | 2020-03-03 | Fire-fighting monitoring and alarming system and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010138422.0A CN111341080A (en) | 2020-03-03 | 2020-03-03 | Fire-fighting monitoring and alarming system and method |
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