CN111243219B - Fireproof alarm system for intelligent building - Google Patents
Fireproof alarm system for intelligent building Download PDFInfo
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- 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
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- 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
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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
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Abstract
The embodiment of the invention discloses a fireproof alarm system for an intelligent building, which comprises a detection module, a warning module and a central control module, wherein the detection module is used for detecting the temperature value and the smoke concentration value in a real-time detection area, the detection module comprises a temperature detection unit and a personnel and ignition point identification module, the temperature detection unit comprises an infrared thermal imaging camera, the temperature of articles in the area is monitored by the infrared thermal imaging camera, the fire can be found in the initial stage of the fire, meanwhile, the smoke concentration detection is combined, if the two detection results are that the fire occurs, the fire is determined to occur, so that the fire confirmation precision can be improved, the personnel and ignition point identification module can output image signals which are similar to the contour of a human body and the temperature in the contour is similar to the body temperature, so that the accurate positioning of the personnel position is realized, provides powerful help for rescuing the disaster-stricken personnel.
Description
Technical Field
The embodiment of the invention relates to the technical field of fire security, in particular to a fire prevention alarm system for an intelligent building.
Background
The fire alarm system generally comprises a fire detector, an area alarm and a centralized alarm; and the fire extinguishing system can also be linked with various fire extinguishing facilities and communication devices according to the requirements of engineering so as to form a central control system. Namely, a complete fire control system is formed by automatic alarm, automatic fire extinguishing, safe evacuation induction, system process display, fire control archive management and the like. A fire detector is an apparatus for detecting a fire since smoke, high temperature and fire light are generated along with the occurrence of the fire at a stage of the fire. The smoke, heat and light can be converted into electric signals by a detector to alarm or an automatic fire extinguishing system is started to extinguish the fire in time.
Because the fire disaster determination precision of the fire disaster alarm system in the prior art is not high, the false alarm phenomenon may occur, and the fire disaster may not be found in time, so that the fire spread, meanwhile, when the fire disaster occurs, the personnel in the building escape in confusion and can enter the escape dead angle, when the fire disaster rescue is carried out, the personnel position is dispersed and is difficult to determine, which brings inconvenience to the rescue task.
Disclosure of Invention
Therefore, the embodiment of the invention provides a fire alarm system for an intelligent building, which aims to solve the problems that in the prior art, due to the fact that the fire alarm system is low in fire determination accuracy, a false alarm phenomenon may occur, a fire may not be found in time, and when fire rescue is carried out, the positions of people are scattered and difficult to determine, and the rescue task is inconvenient.
In order to achieve the above object, an embodiment of the present invention provides the following:
a fire alarm system for intelligent buildings comprises a detection module, a warning module and a central control module;
the detection module detects a temperature value and a smoke concentration value in a region in real time and outputs the temperature value and the smoke concentration value together with a position signal, when the temperature value is higher than a preset temperature early warning value or the smoke concentration value is higher than the preset smoke concentration early warning value, the detection module outputs an early warning signal, when the temperature value is higher than the preset temperature alarm value or the smoke concentration value is higher than the preset smoke concentration alarm value, the detection module outputs an alarm signal, when the temperature value is higher than the preset temperature alarm value or the smoke concentration value is higher than the preset smoke concentration alarm value, the detection module outputs the alarm signal, the temperature early warning value, the temperature alarm value and the temperature alarm value are sequentially increased, and the smoke concentration early warning value, the smoke concentration alarm value and the smoke concentration alarm value are sequentially increased;
the detection module comprises a temperature detection unit and a personnel and ignition point identification module, wherein the temperature detection unit comprises an infrared thermal imaging camera, the infrared thermal imaging camera monitors and outputs the temperature of articles in the area through infrared images, the personnel and ignition point identification module is connected with image signals output by the detection module, the personnel and ignition point identification module marks the area with overhigh temperature in the image signals as a suspected ignition point, outputs the image signals with the suspected ignition point marks, compares the received image signals with comparison image signals, and outputs the image signals which are similar to the outline of a human body in a comparison image and similar to the body temperature of the human body in the outline.
As a preferable aspect of the present invention, the person and fire point identification module includes an image receiving unit, an image storage unit, a fire point identification unit, an image comparison unit, and an image interface unit;
the image receiving unit receives and outputs an image signal output by the infrared thermal imaging camera;
the image storage unit stores the comparison image signal and outputs the comparison image signal;
the fire point identification unit is connected with the image receiving unit and receives the image signal output by the image comparison unit, marks an area with overhigh temperature in the image signal as a suspected fire point, and then outputs the image signal with the suspected fire point mark;
the image comparison unit is connected with the image receiving unit and the image storage unit, receives the image signals output by the image comparison unit and the image storage unit, compares the received image signals with comparison image signals, and outputs the image signals when the deviation of the image signals and the comparison image signals is small;
the image interface unit is connected with the image comparison unit and receives the image signal output by the image comparison unit, and the image interface unit sends the received image signal to the central control module.
As a preferred scheme of the present invention, the detection module further includes a temperature comparison unit, a smoke concentration detection unit, a smoke concentration comparison unit, and a detection interface unit;
the temperature comparison unit is connected with the temperature detection unit and receives the temperature value output by the temperature detection unit, the temperature comparison unit comprises a temperature early warning comparator, a temperature alarm comparator and a temperature alarm comparator, the temperature early warning comparator compares the temperature value with the temperature early warning value, when the temperature value is larger than the temperature early warning value, an early warning signal is output, the temperature alarm comparator compares the temperature value with the temperature alarm value, when the temperature value is larger than the temperature alarm value, an alarm signal is output, when the temperature value is larger than the temperature alarm value, the temperature alarm comparator compares the temperature value with the temperature alarm value, and when the temperature value is larger than the temperature alarm value, an alarm signal is output;
the smoke concentration detection unit comprises a smoke sensor, and the smoke sensor detects and outputs a smoke concentration value in real time;
the smoke concentration comparison unit is connected with the smoke concentration detection unit and receives a smoke concentration value output by the smoke concentration detection unit, the smoke concentration comparison unit comprises a smoke concentration early warning comparator, a smoke concentration alarm comparator and a smoke concentration alarm comparator, the smoke concentration early warning comparator compares the smoke concentration value with the smoke concentration early warning value and outputs an early warning signal when the smoke concentration value is larger than the smoke concentration early warning value, the smoke concentration alarm comparator compares the smoke concentration value with the smoke concentration alarm value and outputs an alarm signal when the smoke concentration value is larger than the smoke concentration alarm value, and the smoke concentration alarm comparator compares the smoke concentration value with the smoke concentration alarm value and outputs an alarm signal when the smoke concentration value is larger than the smoke concentration alarm value;
the detection interface unit is connected with the temperature comparison unit and the smoke concentration comparison unit and receives the early warning signal, the alarm signal and the alarm signal output by the temperature comparison unit and the smoke concentration comparison unit.
As a preferred scheme of the invention, the warning module comprises an early warning module, an alarm module and an alarm module;
the early warning module is connected with the detection module and responds to the early warning signal output by the detection module, after receiving the early warning signal, the early warning module carries out early warning alarm on management personnel in the detection area, and simultaneously detects position information of personnel and ignition points in the area through infrared images and outputs an image signal;
the alarm module is connected with the detection module and responds to the alarm signal output by the detection module, when the alarm module receives the alarm signal, the alarm module carries out alarm in the detection area and carries out early warning alarm on the peripheral area, and the alarm module detects position information of personnel and ignition points in all areas through infrared images and outputs image signals;
the alarm module is connected with the detection module and responds to the alarm signal output by the detection module, and when the alarm module receives the alarm signal, the alarm module gives an alarm to a fire alarm center.
As a preferred scheme of the present invention, the warning module further includes a timing module, the early warning module, the alarm module and the alarm module are all connected to the timing module, the timing module is connected to the detection module and receives the early warning signal, the alarm signal and the stop signal of the detection module, when the timing module receives the early warning signal, timing is started, and after the timing reaches a preset time, the alarm module outputs the alarm signal to the alarm module, so that the alarm module starts alarming, and when the timing module receives the stop signal, timing is stopped; and when the timing module outputs an alarm signal or receives the alarm signal, timing is started, the alarm module outputs the alarm signal after timing to preset time so that the alarm module gives an alarm to a fire alarm center, and when the timing module receives a stop signal, timing is stopped.
As a preferred scheme of the present invention, the central control module comprises a central processing unit and a signal interface unit;
the signal interface unit is connected with the detection module and the warning module, receives the temperature value, the smoke concentration value, the position signal and the image signal output by the detection module, and converts the temperature value, the smoke concentration value, the position signal and the image signal into digital signals to be output;
the central processing unit is connected with the signal interface unit and receives the digital signals output by the signal interface unit, the central processing unit processes the digital signals and displays the digital signals, the central processing unit outputs control signals to the signal interface unit, the signal interface unit transmits the control signals to the early warning module, the warning module and the warning module to control the early warning module, the warning module and the warning module to start working, the central processing unit outputs stop signals to the signal interface unit, and the signal interface unit transmits the stop signals to the early warning module, the warning module and the warning module to control the early warning module, the warning module and the warning module to stop working.
As a preferred scheme of the invention, the automatic reaction device further comprises an automatic reaction module, wherein the automatic reaction module comprises an automatic reaction unit, a fireproof door, a door and window automatic closing unit and a faucet opening unit;
the automatic reaction unit is connected with the central control module and the detection module, receives control signals, stop signals and alarm signals sent by the central control module and the detection module, and converts the signals into digital signals to be output.
As a preferred scheme of the present invention, the automatic closing unit of the fire door and the door and window includes an electric door closer for controlling the closing of the fire door and the window and a door lock for keeping the fire door and the window in a closed state, the automatic closing unit of the fire door and the door and window is connected to the automatic reaction unit and responds to a digital signal output by the automatic reaction unit, when the automatic closing unit of the fire door and the door and window receives the digital signal, the electric door closer is controlled to close according to the received digital signal, and the door lock does not have a back locking function;
the tap opening unit comprises an automatic tap capable of automatically discharging water, the tap opening unit is connected with the automatic reaction unit and responds to the digital signal output by the automatic reaction unit, and the tap opening unit controls the automatic tap to discharge water according to the received digital signal after receiving the digital signal.
As a preferred scheme of the invention, the intelligent escape system further comprises an escape module, wherein the escape module comprises an information storage module, a position indication module, an escape route planning module and a voice broadcasting module;
the information storage module is internally stored with first-level emergency treatment measures facing fire in an ignition area, second-level emergency treatment measures facing fire in a dangerous area and third-level emergency treatment measure information facing fire in a safer area;
the position indication module is connected with the central control module and receives the control signal and the position signal output by the central control module, and after receiving the control signal, the position indication module displays the specific fire point position according to the position signal and divides each area into a fire point area, a dangerous area and a safer area according to the fire point position pair.
As a preferred scheme of the present invention, the escape route planning module is connected to the position indication module and the central control module, the escape route planning module receives ignition point position information and area division information output by the position indication module and outputs the ignition point position information and the area division information to the central control module, the central control module plans an escape route with each room as a starting point according to the ignition point position information and the layout of a building, and after a safe escape route is determined, a safe escape point position is planned and output to the escape route planning module;
the voice broadcast module is connected the central control module information storage module and the route planning module of fleing, and receive the control signal of central control module output, receiving behind the control signal, the voice broadcast module accepts emergency treatment measures in the information storage module and converts it into sound signal output, reports one-level emergency treatment measures information in ignition point position region, reports second grade emergency treatment measures and reports tertiary emergency treatment measures information in comparatively safe area in dangerous area, simultaneously the voice broadcast module receives the route signal of fleing and the position information of refuge point in different areas, converts it into sound signal output to corresponding region, carries out voice broadcast.
The embodiment of the invention has the following advantages:
the invention realizes real-time monitoring of fire through infrared thermal imaging machine temperature detection and smoke concentration detection, can find fire in the initial stage of fire, and simultaneously carries out smoke concentration after primarily confirming the fire point through infrared temperature detection, if both detection results are the occurrence of fire, the fire is determined to occur, so that the fire confirmation precision can be improved, and the personnel and fire point identification module can also monitor the position of personnel when the fire occurs, and can track along with the movement of the personnel, and through the whole-area coverage of the personnel and fire point identification module, the accurate positioning of the personnel position is realized, the position information of the personnel is ensured not to be lost, and powerful help is provided for the rescue of the personnel in the disaster.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.
FIG. 1 is an overall system block diagram of an embodiment of the present invention;
FIG. 2 is a schematic diagram of the bottom hardware structure in an embodiment of the present invention;
FIG. 3 is a schematic diagram of a detection module according to an embodiment of the invention;
FIG. 4 is a schematic diagram of a personnel and fire identification module according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a central control module according to an embodiment of the present invention;
FIG. 6 is a schematic view of an automated reaction module in an embodiment of the present invention;
fig. 7 is a schematic view of an escape module according to an embodiment of the present invention.
In the figure:
1-a detection module; 2-a warning module; 3-a central control module; 4-an automatic reaction module; 5-an escape module;
11-a temperature detection unit; 111-infrared thermal imaging camera; 12-a temperature comparison unit; 121-temperature early warning comparator; 122-temperature alarm comparator; 123-temperature alarm comparator; 13-a smoke concentration detection unit; 131-a smoke sensor; 14-a smoke concentration comparison unit; 141-smoke concentration early warning comparator; 142-smoke concentration alarm comparator; 143-smoke concentration alarm comparator; 15-detection interface unit; 16-personnel and fire identification module; 161-an image receiving unit; 162-an image storage unit; 163-ignition identification unit; 164-an image contrast unit; 165-image interface unit;
21-early warning module; 211-early warning interface unit; 212-early warning alarm unit; 22-an alarm module; 221-alarm interface unit; 222-an alarm unit; 23-an alarm module; 231-alarm interface unit; 232-an alarm unit; 24-a timing module;
31-a central processing unit; 32-a signal interface unit;
41-an automatic reaction unit; 42-automatic fire extinguishing unit; 43-a fire-fighting item unlocking unit; 431-an electronic lock; 44-door and window automatic closing unit; 441-electric door closer; 45-indoor power-off unit; 46-a tap opening unit; 461-automatic water tap; 462-a drain stop valve; 47-elevator auto-power-off unit; 471-elevator circuit breaker; 472-elevator controller;
51-an information storage module; 52-position indication module; 53-escape route planning module; 54-voice broadcast module; 55-automatic notification module; 551-notification interface unit; 552-a communication information unit; 553-a communication link unit; 554-refuge point informing unit; 555-ignition point informing unit.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 7, an embodiment of the present invention provides a fire alarm system for an intelligent building, including a detection module 1, an alarm module 2, an automatic response module 4, an escape module 5 and a central control module 3, wherein the detection module 1, the alarm module 2, the automatic response module 4 and the escape module 5 are all connected to the central control module 3, wherein the detection module 1 can detect a temperature value and a smoke concentration value in a certain area in the building, and accordingly determine whether a fire occurs in the detection area, the alarm module 2 performs a multi-level alarm according to data detected by the detection device 1, the automatic response module 4 automatically operates when a fire is determined to occur, including operations of powering off, closing a fire door, closing a door and window, and the like, to avoid the spread of the fire, the escape module 5 notifies people in the building to escape after the occurrence of the fire is determined, and notifies the manager.
In this embodiment, the detection module 1 detects a temperature value and a smoke concentration value in a region in real time and outputs the temperature value and the smoke concentration value together with a position signal, when the temperature value is higher than a preset temperature warning value or the smoke concentration value is higher than a preset smoke concentration warning value, the detection module 1 outputs a warning signal, when the temperature value is higher than the preset temperature warning value or the smoke concentration value is higher than the preset smoke concentration warning value, the detection module 1 outputs a warning signal, the temperature warning value and the temperature warning value are sequentially increased, and the smoke concentration warning value, the smoke concentration warning value and the smoke concentration warning value are sequentially increased.
As shown in fig. 1 and 4, the warning module 2 in this embodiment includes an early warning module 21, an alarm module 22, an alarm module 23, and a timing module 24; the early warning module 21 is connected with the detection module 1 and responds to the early warning signal output by the detection module 1, when the early warning module 21 receives the early warning signal, the early warning alarm is carried out on the manager in the detection area, meanwhile, the position information of the person and the ignition point in the area is detected through the infrared image, and an image signal is output; the alarm module 22 is connected to the detection module 1 and responds to the alarm signal output by the detection module 1, when the alarm module 22 receives the alarm signal, the detection area alarms, and performs early warning alarm on the surrounding area, and the alarm module 22 detects position information of people and fire points in all areas through infrared images and outputs an image signal; the alarm module 23 is connected with the detection module 1 and responds to the alarm signal output by the detection module 1, and when the alarm module 23 receives the alarm signal, the alarm module gives an alarm to a fire alarm center.
Meanwhile, the early warning module 21, the alarm module 22 and the alarm module 23 are all connected with the timing module 24, the timing module 24 is connected with the detection module 1 and receives an early warning signal, an alarm signal and a stop signal of the detection module 1, when the timing module 24 receives the early warning signal, timing is started, and when the timing reaches a preset time, the alarm module 22 outputs the alarm signal to enable the alarm module 22 to start alarming, and when the timing module 24 receives the stop signal, timing is stopped; when the timing module 24 outputs an alarm signal or receives the alarm signal, timing is started, and when the timing reaches a preset time, the alarm module 23 outputs an alarm signal to enable the alarm module 23 to alarm the fire alarm center, and when the timing module 24 receives a stop signal, timing is stopped.
As shown in fig. 1 and 2, the detection module 1 includes a temperature detection unit 11, a temperature comparison unit 12, a smoke concentration detection unit 13, a smoke concentration comparison unit 14, and a detection interface unit 15.
The temperature detection unit 11 includes an infrared thermal imaging camera 111, and the infrared thermal imaging camera 111 monitors and outputs the temperature of the articles in the area through infrared images;
the temperature comparison unit 12 is connected to the temperature detection unit 11 and receives the temperature value output by the temperature detection unit 11, the temperature comparison unit 12 includes a temperature early warning comparator 121, a temperature alarm comparator 122 and a temperature alarm comparator 123, the temperature early warning comparator 121 compares the temperature value with the temperature early warning value, when the temperature value is greater than the temperature early warning value, an early warning signal is output, the temperature alarm comparator 122 compares the temperature value with the temperature alarm value, when the temperature value is greater than the temperature alarm value, an alarm signal is output, the temperature alarm comparator 123 compares the temperature value with the temperature alarm value, and when the temperature value is greater than the temperature alarm value, an alarm signal is output;
the smoke concentration detection unit 13 comprises a smoke sensor 131, and the smoke sensor 131 detects and outputs a smoke concentration value in real time;
the smoke concentration comparison unit 14 is connected with the smoke concentration detection unit 13 and receives the smoke concentration value output by the smoke concentration detection unit 13, the smoke concentration comparison unit 14 comprises a smoke concentration early warning comparator 141, a smoke concentration alarm comparator 142 and a smoke concentration alarm comparator 143, the smoke concentration early warning comparator 141 compares the smoke concentration value with the smoke concentration early warning value, when the smoke concentration value is larger than the smoke concentration early warning value, an early warning signal is output, the smoke concentration alarm comparator 142 compares the smoke concentration value with the smoke concentration alarm value, when the smoke concentration value is larger than the smoke concentration alarm value, an alarm signal is output, the smoke concentration alarm comparator 143 compares the smoke concentration value with the smoke concentration alarm value, and when the smoke concentration value is larger than the smoke concentration alarm value, an alarm signal is output;
the detection interface unit 15 is connected with the temperature comparison unit 12 and the smoke concentration comparison unit 14 and receives the early warning signal, the alarm signal and the alarm signal output by the temperature comparison unit 12 and the smoke concentration comparison unit 14, and the detection interface unit 15 transmits the received early warning signal, the received alarm signal and the received alarm signal to the early warning module 21, the warning module 22, the alarm module 23 and the central control module 3.
As shown in fig. 1 and 3, the detection module 1 further includes a personnel and fire point identification module 16, the personnel and fire point identification module 16 is connected to the early warning module 21, the warning module 22 and the alarm module 23 and receives the image signal output by the detection module 1 under the signal control of the early warning module 21, the warning module 22 and the alarm module 23, the personnel and fire point identification module 16 marks an area with an excessively high temperature in the image signal as a suspected fire point, outputs the image signal with the suspected fire point mark, compares the received image signal with the comparison image signal, and outputs an image signal which is similar to the contour of the human body in the comparison image and has a temperature in the contour similar to the body temperature of the human body.
In the embodiment, the infrared thermal imaging camera 111 is used for temperature monitoring, different colors of different articles are different and represent different temperatures on the infrared image formed by the infrared thermal imaging camera 111, and when the infrared image reaches a certain brightness, a suspected ignition point can be determined, for example, a lighter or a cigarette end, a high-brightness dot-shaped structure is formed on the image, and an irregular sheet-shaped structure is formed during ignition, so that the ignition point can be determined.
Meanwhile, as the body temperature of the human body is relatively constant, when the human-shaped contour appears on the infrared image and the temperature is close to the body temperature of the human body, people can be judged to exist in the region, powerful help can be provided for fire rescue through judgment on whether people exist in the region, accurate rescue is achieved, meanwhile omission can be avoided, the situation that the disaster rescue people do no work, energy is wasted, and the disaster rescue efficiency is improved.
In addition, in case of fire, after the personnel and fire point identification module 16 determines that personnel are present in a certain area, the position of the personnel in the area is marked and tracked along with the movement of the personnel, and the personnel and fire point identification module 16 is covered in the whole area, so that the accurate positioning of the position of the personnel is realized, and the position information of the personnel is ensured not to be lost.
As shown in fig. 3, in the present embodiment, the person and fire point identification module 16 includes an image receiving unit 161, an image storage unit 162, a fire point identification unit 163, an image comparison unit 164, and an image interface unit 165; the image receiving unit 161 receives and outputs the image signals output by the early warning module 21, the alarm module 22 and the alarm module 23; the image storage unit 162 stores the comparison image signal and outputs the comparison image signal; the fire point identification unit 163 is connected with the image receiving unit 161, receives the image signal output by the image receiving unit 161, marks the area with the excessive temperature in the image signal as a suspected fire point, and then outputs the image signal with the suspected fire point mark; an image comparing unit 164 which is connected to the image receiving unit 161 and the image storage unit 162 and receives the image signal output from the image receiving unit 161 and the image storage unit 162, compares the received image signal with a comparison image signal, and outputs the image signal when the deviation of the image signal from the comparison image signal is small; the image interface unit 165 is connected to the image contrast unit 164 and receives the image signal output from the image contrast unit 164, and the image interface unit 165 transmits the received image signal to the central control module 3.
In the detection module 1 of the embodiment, temperature detection is performed through the infrared thermal imaging machine 111, smoke concentration detection is combined, real-time monitoring of fire is achieved, the fire can be found in the initial stage of the fire, meanwhile, smoke concentration is performed after the fire is preliminarily confirmed through infrared temperature detection, if two detection results are that the fire occurs, the fire is confirmed to occur, therefore, accuracy of fire confirmation can be improved, meanwhile, the position of a person can be monitored when the fire occurs, tracking is performed along with movement of the person, full-area coverage is performed through the person and the fire identification module 16, accurate positioning of the position of the person is achieved, it is ensured that position information of the person cannot be lost, and powerful help is provided for rescue of the person suffering from the fire.
As shown in fig. 4, in the present embodiment, the early warning module 21 includes an early warning interface unit 211 and an early warning alarm unit 212; the early warning interface unit 211 receives the early warning signal and the stop signal output by the timing module 24, the early warning signal output by the detection module 1, and the stop signal output by the central control module 3, and outputs the received early warning signal and the stop signal; the early warning unit 212 is connected to the early warning interface unit 211 and responds to the early warning signal and the stop signal output by the early warning interface unit 211, and starts to perform early warning to the manager when the early warning unit 211 receives the early warning signal, and stops performing early warning when the early warning unit 211 receives the stop signal.
As shown, in the present embodiment, the alarm module 22 includes an alarm interface unit 221 and an alarm unit 222; the alarm interface unit 221 receives and outputs the alarm signal and the stop signal output by the timing module 24, the alarm signal output by the detection module 1, and the control signal and the stop signal output by the central control module 3; the alarm unit 222 is connected to the alarm interface unit 221 and receives the alarm signal, the control signal and the stop signal output from the alarm interface unit 221, starts an alarm when the alarm unit 222 receives the alarm signal or the control signal, and stops the alarm when the alarm unit 222 receives the stop signal.
As shown in the figure, in the present embodiment, the alarm module 23 includes an alarm interface unit 231 and an alarm unit 232; the alarm interface unit 231 receives the alarm signals output by the timing module 24 and the detection module 1; the alarm unit 232 is connected to the alarm interface unit 231 and receives the alarm signal output by the alarm interface unit 231, and when the alarm unit 232 receives the alarm signal, it alarms to the fire alarm center.
In the warning module 2 of the present embodiment, the warning level is divided into a warning signal, an alarm signal and an alarm signal, wherein the warning signal is not released when a suspected fire occurs, but is only sent to a manager, and the manager processes the signal to avoid the occurrence of false alarm, and after the suspected fire is determined as a fire or the warning signal is not processed by the manager for a long time, the warning signal is upgraded to the alarm signal to perform area broadcast to remind people in the area to evacuate timely; when the fire spread or the alarm signal appears and the conflagration still is unresolved after a period, alarm signal upgrades to alarm signal, directly reports to the police to the fire alarm center, comes this elimination conflagration by the fire fighter, so can the conflagration carry out timely effectual processing, avoid the intensity of a fire too big.
As shown in fig. 5, in the present embodiment, the central control module 3 includes a central processor 31 and a signal interface unit 32; the signal interface unit 32 is connected with the detection module 1 and the warning module 2, receives the temperature value, the smoke concentration value, the position signal and the image signal output by the detection module 1, and converts the temperature value, the smoke concentration value, the position signal and the image signal into digital signals to output; the central processing unit 31 is connected to the signal interface unit 32 and receives the digital signal output by the signal interface unit 32, the central processing unit 31 processes and displays the digital signal, the central processing unit 31 outputs a control signal to the signal interface unit 32, the signal interface unit 32 transmits the control signal to the early warning module 21, the warning module 22 and the alarm module 23 to control the early warning module 21, the warning module 22 and the alarm module 23 to start working, the central processing unit 31 outputs a stop signal to the signal interface unit 32, and the signal interface unit 32 transmits the stop signal to the early warning module 21, the warning module 22 and the alarm module 23 to control the early warning module 21, the warning module 22 and the alarm module 23 to stop working.
As shown in fig. 6, in the present embodiment, the automatic reaction module 4 includes an automatic reaction unit 41, an automatic fire extinguishing unit 42, a fire-fighting item unlocking unit 43, a fire door and door/window automatic closing unit 44, an indoor power-off unit 45, a faucet opening unit 46, and an elevator automatic power-off unit 47.
The automatic reaction unit 41 is connected with the central control module 3 and the detection module 1, receives control signals, stop signals and alarm signals sent by the central control module 3 and the detection module 1, converts the signals into digital signals and outputs the digital signals, the automatic fire extinguishing unit 42 is connected with the automatic reaction unit 41, the automatic fire extinguishing unit 42 extinguishes a detected area after receiving the digital signals output by the automatic reaction unit 41, and the automatic fire extinguishing unit 42 stops extinguishing the fire after receiving the stop signals. When a fire occurs, the automatic fire extinguishing unit 42 is activated to extinguish the fire and to extinguish the fire early.
The automatic fire extinguishing unit 42 comprises automatic fire extinguishing equipment arranged in a detected area, the automatic fire extinguishing unit 42 is connected with the central control module 3 and the detection module 1 and corresponds to control signals, stop signals and alarm signals output by the central control module 3 and the detection module 1, the automatic fire extinguishing unit 42 extinguishes the detected area after receiving the control signals or the alarm signals output by the central control module 3 and the detection module 1, and the automatic fire extinguishing unit 42 stops extinguishing the fire after receiving the stop signals.
Automatic fire extinguishing unit 42 begins to put out a fire to being detected the region when warning module 2 reports to the police, the staff also can begin to put out a fire through central control module 3 control automatic fire extinguishing unit 42, can adopt automatic fire extinguishing unit 42 to promptly put out a fire to less fire source when the fire source is less and around not having personnel, prevent that the fire source from expanding, when the alarm is touched in the mistake, the staff also can stop putting out a fire through central control module 3 control automatic fire extinguishing unit 42, prevent resource waste and pollution place.
In this embodiment, the fire-fighting item unlocking unit 43 includes a fire-fighting cabinet for storing fire-fighting items and an electronic lock 431 for locking the fire-fighting cabinet, and the fire-fighting item unlocking unit 43 is connected to the automatic reaction unit 41 and controls the electronic lock 431 to unlock when the fire-fighting item unlocking unit 43 receives the digital signal in response to the digital signal output from the automatic reaction unit 41. Under normal conditions, in order to avoid damage or taking away of fire-fighting articles by irrelevant personnel, the fire-fighting cabinet is locked by the electronic lock 431, after the dangerous situation is confirmed, the fire-fighting article unlocking unit 43 is automatically unlocked under the signal control of the automatic reaction unit 41, the fire-fighting articles are conveniently extinguished by self, the worker can also control the electronic lock 431 to be unlocked through the central control module 3, when the alarm is touched by mistake, the worker can also control the electronic lock 431 to be locked through the central control module 3 in time, and the fire-fighting articles are prevented from being lost.
When a fire occurs, the combustion of flame needs oxygen, and under the condition that the door and the window are opened, the oxygen easily enters a fire point, so that the fire is more vigorous, the fire is more difficult to extinguish, and the difficulty of escaping is increased.
In case of fire, the automatic closing unit 44 controls the automatic closing of the fire door and the automatic closing of the door and the window in order to prevent oxygen from entering and to weaken the fire. When designing, prevent fire door and the lock on door and window not have the back locking function, just promptly can open through rotating the handle. Therefore, when the fireproof door and the door and window need to be opened, the fireproof door and the door and window can be easily opened, and escape or disaster relief is avoided. Meanwhile, after the fireproof door and the door and window are opened, the fireproof door and window automatic closing unit 44 can continue to control the fireproof door and window automatic closing unit 44 to be closed, so that the functions of the fireproof door and window automatic closing unit are ensured.
The indoor power-off unit 45 includes a circuit breaker, the indoor power-off unit 45 is connected to the automatic response unit 41 and responds to the digital signal output by the automatic response unit 41, and when the indoor power-off unit 45 receives the digital signal, the circuit breaker is controlled to operate according to the received digital signal, so as to break the circuit in the building. Through setting up indoor outage unit 45, can in time cut off the power supply when the conflagration appears, avoid the circuit short circuit to arouse bigger danger.
The tap opening unit 46 includes an automatic tap 461 capable of automatically discharging water and a water stop 462, the tap opening unit 46 is connected to the automatic reaction unit 41 and responds to the digital signal output from the automatic reaction unit 41, controls the automatic tap to discharge water 461 according to the received digital signal when the tap opening unit 42 receives the digital signal, and closes the water stop 462.
In this embodiment, the faucet opening unit 46 is provided with an indoor power-off unit 45, and when the circuit is turned off, the faucet opening unit 46 controls the automatic faucet 461 to open to discharge water, and simultaneously closes the water stop valve 462 to allow water to flow into the room to soak the indoor articles, so that the articles are not easily burnt, and the water can help to extinguish a fire if flowing to a fire location.
The elevator automatic power-off unit 47 comprises an elevator power-off device 471, the elevator power-off device 471 is connected with an elevator controller 472 for controlling the operation of the elevator, the elevator automatic power-off unit 47 is connected with the automatic reaction unit 41 and responds to the digital signal output by the automatic reaction unit 41, and after the elevator automatic power-off unit 47 receives the digital signal, the elevator power-off device 471 and the elevator controller 472 are controlled to operate according to the received digital signal, so that the elevator stops after running to the nearest floor, opens the elevator door and then performs power-off processing.
When a fire disaster occurs, many people hope to escape by taking the elevator, but because the power supply system of a common elevator can be powered off at any time in the fire disaster or the elevator deforms due to the action of heat, people are trapped, meanwhile, the elevator shaft in the elevator is directly communicated with each floor like a through chimney, the elevator does not have the smoke-proof effect, toxic smoke can directly threaten the life of the trapped people, and when fire fighters extinguish the fire, water easily flows into the elevator, and the danger of electric shock can also exist. Therefore, the elevator automatic power-off unit 47 is arranged in the embodiment, when a fire disaster occurs, the elevator automatically stops at the nearest floor, and the elevator is automatically locked to power off after an elevator door is opened, so that people are prevented from taking the elevator.
The automatic response module 4 of this embodiment, when the conflagration appears, can be the elevator shutdown through elevator auto-power-off unit 47, avoid having personnel to take advantage of the elevator and the dangerous situation appears, can eliminate small-size fire source through automatic fire extinguishing unit 42, the weakened fire behavior, unblock fire control article through fire control article unblock unit 43, the accessible fire control article of the personnel in a disaster put out a fire, prevent that door and window automatic closing unit 44 can close door and window, avoid ventilating, shielding oxygen source, avoid the fire behavior to enlarge, through the timely outage of indoor outage unit 45, avoid the short circuit to lead to bigger danger, open unit 46 through tap and drain, water overflows indoorly, soak indoor article, delay the fire behavior. The implementation of the measures can effectively slow down the fire and improve the success of disaster relief.
As shown in fig. 7, in the present embodiment, the escape module 5 includes an information storage module 51, a position indication module 52, an escape route planning module 53, a voice broadcast module 54, and an automatic notification module 55; the information storage module 51 stores first-level emergency treatment measures in the fire area facing fire, second-level emergency treatment measures in the dangerous area facing fire, and third-level emergency treatment measures in the safe area facing fire; the position indication module 52 is connected to the central control module 3 and receives the control signal and the position signal output by the central control module 3, and the position indication module 52 displays the specific fire point position according to the position signal after receiving the control signal, and divides each area into a fire point area, a dangerous area and a safer area according to the fire point position pair.
In the fire scene, the situations faced by places with different distances from the ignition point are different, so that the problems to be processed in different areas are different, the voice broadcast module 54 can broadcast first-level emergency treatment measure information in the ignition point position area, the voice broadcast module 54 can broadcast second-level emergency treatment measures in the dangerous area, and the voice broadcast module 54 can broadcast third-level emergency treatment measure information in the safe area, so that the effective emergency treatment measure information of personnel in the area can be informed in a targeted manner, and the escape probability is improved.
In this embodiment, the escape route planning module 53 is connected to the position indication module 52 and the central control module 3, the escape route planning module 53 receives the ignition point position information and the area division information output by the position indication module 52 and outputs the information to the central control module 3, the central control module 3 plans the escape route with each room as a starting point according to the ignition point position information and the layout of the building, and after determining an unsafe escape route, plans a safer evacuation point position and outputs the position to the escape route planning module 53.
Meanwhile, the voice broadcasting module 54 is connected to the central control module 3 and the escape route planning module 53, receives the control signal output by the central control module 3, receives the escape route signal and the position information of the refuge point in different areas through the escape route planning module 53, converts the escape route signal and the position information of the refuge point into voice signals, and outputs the voice signals to the corresponding areas to perform voice broadcasting. For different positions of people, the required escape routes are different, so that the escape route can be planned by taking any room as a starting point from different room starting points, the route is correspondingly played in the room and guided to go to the next area, and each room or area points to one direction, so that when people in a disaster escape, the people can know the direction of the next area without entering the area, and the escape is facilitated.
Meanwhile, due to the difference of fire points, it is possible that a certain area is a dead escape corner, and a necessary path for escape is already on fire, in this case, the escape route planning module 53 determines an area far away from the fire point according to the distribution of building rooms and the fire position, sets the area as a difficult point for avoiding, guides people in the nearby area to enter the evacuation area, and continuously monitors the change of fire, and the change of the fire direction leads to the change of the optimal evacuation position, namely, guides the people to change the position. When knowing that the escape way is disconnected, the personnel can confirm the fire in advance, quickly enter the difficulty avoidance situation under the condition of determining that the person cannot pass through the fire escape way, and carry out self rescue according to the emergency treatment measure information broadcasted by voice.
On the basis of the voice broadcast in the area, the embodiment further provides an automatic notification module 55, the automatic notification module 55 is connected with the position indication module 52 and the central control module 3 and receives the position signal and the control signal output by the position indication module 52 and the central control module 3, and after the automatic notification module 52 receives the control signal, the automatic notification module sends emergency treatment measure information, an escape route and escape point position information to the disaster-stricken person, and sends the escape point position information to the management terminal.
The escape information comprises the layout information of the building, the position of the building can be confirmed, meanwhile, the position of a fire point, each escape route and the position of a refuge point are marked on the building layout, and people suffering from a disaster can evacuate in time according to the escape information. The automatic notification module 55 is provided to supplement the voice broadcasting module 54, and can visually represent the building layout, the fire position, the escape route and the position of the refuge point, so as to be convenient for the people suffering from a disaster to understand. In addition, the voice broadcast content is inevitably not noticed in the escape process, and the automatic notification module 55 avoids the escape information omission.
Meanwhile, the automatic notification module 55 can also send the position information of the escape route and the refuge point to the management terminal to be checked by the management personnel and the disaster relief personnel, the disaster-stricken personnel escape according to the escape route, the personnel can be concentrated on the route, the disaster relief personnel can search according to the escape route, the disaster relief speed can be increased, the success rate of disaster relief is improved, the difficulty avoidance point can concentrate the rest escaped personnel at one or more places, and the disaster relief personnel can perform disaster relief purposefully, so that the disaster relief difficulty is reduced.
As shown in fig. 7, in the present embodiment, the automatic notification module 55 includes a notification interface unit 551, a communication information unit 552, a communication link unit 553, an evacuation point notification unit 554, and a fire point notification unit 555; the notification interface unit 551 receives the position signal and the control signal output from the position indication module 52 and the central control module 3 and converts them into digital signals for output; the communication information unit 552 stores a communication number reserved when a person enters a building and a reserved number of a manager; the communication link unit 553 is connected with the notification interface unit 551 and the communication information unit 552, and in response to the digital signal output by the notification interface unit 551, when receiving the digital signal, the communication link unit 553 sends a mobile phone short message to all the persons with reserved numbers, and performs telephone communication, wherein the short message and the telephone communication content are consistent with the voice broadcast content, and meanwhile, sends information of the ignition point position and information of the refuge point position to the management persons with reserved numbers; the refuge point informing unit 554 is connected with the informing interface unit 551, receives the digital signal output by the informing interface unit 551, converts the digital signal into a sound signal after receiving the digital signal and emits the sound signal to all areas; the ignition point informing unit 555 is connected to the informing interface unit 551 and receives the digital signal output from the informing interface unit 551, and when the ignition point informing unit 555 receives the digital signal, the digital signal is converted into a sound signal and is emitted to all areas.
The escape module 5 of the embodiment can provide self-rescue measure information to disaster victims in time according to the fire situation, improve survival probability, scientifically formulate escape routes, guide the disaster victims to escape from a fire scene, guide the people to evacuate in time, and specify difficulty avoidance points when the disaster victims cannot escape, so as to avoid the people staying in the scene to save themselves blindly, thereby improving survival probability.
Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (1)
1. A fire alarm system for intelligent buildings is characterized by comprising a detection module (1), a warning module (2), an automatic reaction module (4) and a central control module (3);
the automatic reaction module (4) comprises an automatic reaction unit (41), a fireproof door and window automatic closing unit (44) and a water tap opening unit (46);
the automatic reaction unit (41) is connected with the central control module (3), receives a control signal sent by the central control module (3), converts the signal into a digital signal and outputs the digital signal;
the automatic fireproof door and window closing unit (44) comprises an electric door closer (441) for controlling the fireproof door and the door and window to be closed and a door lock for keeping the fireproof door and the door and window in a closed state, the automatic fireproof door and window closing unit (44) is connected with the automatic reaction unit (41) and responds to the digital signal output by the automatic reaction unit (41), and when the automatic fireproof door and window closing unit (44) receives the digital signal, the electric door closer (441) is controlled to be closed according to the received digital signal;
the door and window are closed to avoid oxygen from entering and weakening the fire, and the fireproof door is closed to slow down the spread of the fire; the fireproof door and the door lock on the door and the window do not have the back locking function, and can be opened by rotating the handle; when the fireproof door and the door and window need to be opened, the fireproof door and the door and window can be easily opened, so that escape or disaster relief is avoided;
after the fireproof door and the door and window are opened, the fireproof door and the door and window automatic closing unit can continue to control the fireproof door and the door and window automatic closing unit to be closed, so that ventilation is avoided, an oxygen source is shielded, and the fire is prevented from expanding;
the tap opening unit (46) comprises an automatic tap (461) capable of automatically discharging water and a water discharge stop valve (462), the tap opening unit (46) is connected with the automatic reaction unit (41) and responds to a digital signal output by the automatic reaction unit (41), and the tap opening unit (42) controls the automatic tap (461) to discharge water and controls the water discharge stop valve (462) to be closed according to the received digital signal after receiving the digital signal;
the water tap opening unit is arranged on the basis of the indoor power-off unit, when the circuit is disconnected, the water tap opening unit controls the automatic water tap to open and discharge water, the water discharge water stop valve is closed at the same time, water overflows into the room to soak articles in the room, the articles are not easy to burn, and meanwhile, if the water flows to a fire-starting position, the water can help to extinguish a fire, so that the fire condition can be effectively relieved;
the system is characterized by further comprising an escape module (5), wherein the escape module (5) comprises an information storage module (51), a position indication module (52), an escape route planning module (53), a voice broadcast module (54) and an automatic notification module (55), the automatic notification module (55) is connected with the position indication module (52) and the central control module (3) and receives position signals and control signals output by the position indication module (52) and the central control module (3), and after the automatic notification module (52) receives the control signals, emergency treatment measure information, an escape route and escape point position information are sent to disaster-stricken persons, and meanwhile the escape point position information is sent to a management terminal;
the escape route planning module is connected with the position indication module and the central control module, receives ignition point position information and area division information output by the position indication module and outputs the ignition point position information and the area division information to the central control module, the central control module plans an escape route by taking each room as a starting point according to the ignition point position information and the layout of a building, and after a safe escape route is determined, safe escape point positions are planned and output to the escape route planning module;
meanwhile, the voice broadcasting module is connected with the central control module and the escape route planning module, receives the control signal output by the central control module, receives escape route signals and escape point position information of different areas through the escape route planning module, converts the escape route signals and the escape point position information into voice signals and outputs the voice signals to the corresponding areas to perform voice broadcasting; aiming at different positions of personnel, the required escape routes are different, so that the escape routes can be planned by taking any room as a starting point from different room starting points, and are correspondingly played in the room to guide the route to go to the next area, each room or area points to one direction, and thus when the disaster-stricken personnel escape, the direction of the next area can be known when the disaster-stricken personnel enter the one area, and the convenience is brought to escape;
due to the difference of fire points, a certain area is possibly an escape dead angle, and a necessary path for escape is already on fire, under the condition, the escape route planning module can determine an area far away from the fire position according to the distribution of building rooms and the fire position, set the area as a difficulty avoiding point, guide people in the nearby area to enter a refuge area, continuously monitor the change of fire, lead to the change of the optimal refuge position when the fire direction changes, and guide the people to change the position; when knowing that the escape way is disconnected, the personnel can confirm the fire in advance, quickly enter the difficulty avoidance situation under the condition of determining that the fire cannot pass through, and carry out self-rescue according to the emergency treatment measure information broadcasted by voice;
on the basis of voice broadcasting in the area, the automatic notification module can send escape information to disaster-stricken persons, the escape information comprises layout information of the building, the disaster-stricken persons can confirm the positions of the disaster-stricken persons, meanwhile, the positions of fire points, escape routes and refuge points are marked on the building layout, and the disaster-stricken persons can evacuate in time according to the escape information;
the automatic notification module is arranged to supplement the voice broadcasting module, so that the building layout, the fire position, the escape route and the position of the refuge point can be visually embodied, and the automatic notification module is convenient for disaster-stricken personnel to understand; in addition, the voice broadcast content is inevitably not noticed in the escape process, and the automatic notification module avoids the omission of escape information;
meanwhile, the automatic notification module can also send the position information of the escape route and the refuge point to the management terminal to be checked by the management personnel and the disaster relief personnel, the disaster relief personnel escape according to the escape route, the personnel can be concentrated on the route, the disaster relief personnel can search according to the escape route, the disaster relief speed can be accelerated, the success rate of the disaster relief is improved, the difficulty avoidance point can concentrate the rest escaped personnel at one or more places, the disaster relief personnel can carry out disaster relief purposefully, and the disaster relief difficulty is reduced;
the automatic notification module comprises a notification interface unit, a communication information unit, a communication link unit, a refuge point notification unit and an ignition point notification unit; the notification interface unit receives the position signals and the control signals output by the position indication module and the central control module and converts the position signals and the control signals into digital signals to output; the communication information unit is stored with a communication number reserved when personnel enter the building and a reserved number of a manager; the communication link unit is connected with the notification interface unit and the communication information unit and responds to the digital signal output by the notification interface unit;
when the communication link unit receives the digital signal, sending mobile phone short messages to all the personnel with the reserved number, carrying out telephone communication, and sending ignition point position information and refuge point position information to the management personnel with the reserved number, wherein the short messages and the telephone communication content are consistent with the voice broadcast content;
the refuge point avoiding informing unit is connected with the informing interface unit and receives the digital signals output by the informing interface unit, and the refuge point informing unit converts the digital signals into sound signals to send out to all areas after receiving the digital signals;
the ignition point informing unit is connected with the informing interface unit and receives the digital signal output by the informing interface unit, and converts the digital signal into a sound signal to send out to all areas after receiving the digital signal;
therefore, the escape module can provide self-rescue measure information to the disaster-stricken personnel in time according to the fire disaster condition, improve survival probability, scientifically formulate escape routes, guide the disaster-stricken personnel to escape from the fire scene, guide the personnel to evacuate in time, appoint difficulty avoidance points when the personnel cannot escape, avoid the personnel staying in the blind to save oneself, thereby improve survival probability, because the disaster-stricken personnel concentrate on the escape routes or difficulty avoidance points, the disaster relief personnel can carry out purposeful disaster relief according to the escape routes and the position of the refuge points, reduce disaster relief difficulty;
the information storage module (51) stores first-level emergency treatment measures in the fire area when facing fire, second-level emergency treatment measures in the dangerous area when facing fire and third-level emergency treatment measure information in the safe area when facing fire; the position indication module (52) is connected with the central control module (3) and receives the control signal and the position signal output by the central control module (3), the position indication module (52) displays the specific fire point position according to the position signal after receiving the control signal, and divides each area into a fire point area, a dangerous area and a safer area according to the fire point position pair;
the voice broadcasting module (54) can broadcast the first-level emergency treatment measure information in the ignition point position area, the voice broadcasting module (54) broadcasts the second-level emergency treatment measure in the dangerous area, and the voice broadcasting module (54) broadcasts the third-level emergency treatment measure information in the safer area; therefore, effective emergency treatment measure information of personnel in the area can be informed in a targeted manner, and the escape probability is improved;
the automatic reaction module (4) further comprises an automatic fire extinguishing unit (42), the automatic fire extinguishing unit (42) is connected with the automatic reaction unit (41), the automatic fire extinguishing unit (42) extinguishes a detected area after receiving the digital signal output by the automatic reaction unit (41), and the automatic fire extinguishing unit (42) stops extinguishing fire after receiving a stop signal; the small fire source can be eliminated through the automatic fire extinguishing unit, the fire is weakened, the fire-fighting articles are unlocked through the fire-fighting article unlocking unit, and the fire can be extinguished by the person in a disaster through the fire-fighting articles;
the automatic reaction module (4) further comprises a fire-fighting article unlocking unit (43), the fire-fighting article unlocking unit (43) comprises a fire-fighting cabinet for storing fire-fighting articles and an electronic lock (431) for locking the fire-fighting cabinet, the fire-fighting article unlocking unit (43) is connected with the automatic reaction unit (41) and responds to the digital signal output by the automatic reaction unit (41), and the electronic lock (431) is controlled to unlock after the digital signal is received by the fire-fighting article unlocking unit (43);
the automatic reaction module (4) further comprises an indoor power-off unit (45), the indoor power-off unit (45) comprises a circuit breaker, the indoor power-off unit (45) is connected with the automatic reaction unit (41) and responds to the digital signal output by the automatic reaction unit (41), and after the indoor power-off unit (45) receives the digital signal, the circuit breaker is controlled to operate according to the received digital signal, so that a circuit in a building is disconnected; by arranging the indoor power-off unit, the power can be cut off in time when a fire disaster occurs, and greater danger caused by short circuit of a circuit is avoided;
the automatic response module (4) further comprises an elevator automatic power-off unit (47), the elevator automatic power-off unit (47) comprises an elevator power-off device (471), the elevator power-off device (471) is connected with an elevator controller (472) for controlling the operation of an elevator, the elevator automatic power-off unit (47) is connected with the automatic response unit (41) and responds to the digital signal output by the automatic response unit (41), and after the elevator automatic power-off unit (47) receives the digital signal, the elevator power-off device (471) and the elevator controller (472) are controlled to operate according to the received digital signal, so that the elevator stops after running to the nearest floor, opens the elevator door and then performs power-off processing;
the detection module (1) detects a temperature value and a smoke concentration value in a region in real time and outputs the temperature value and the smoke concentration value together with a position signal, when the temperature value is higher than a preset temperature early warning value or the smoke concentration value is higher than the preset smoke concentration early warning value, the detection module (1) outputs an early warning signal, when the temperature value is higher than the preset temperature alarm value or the smoke concentration value is higher than the preset smoke concentration alarm value, the detection module (1) outputs an alarm signal, when the temperature value is higher than the preset temperature alarm value or the smoke concentration value is higher than the preset smoke concentration alarm value, the detection module (1) outputs the alarm signal, the temperature early warning value, the temperature alarm value and the temperature alarm value are sequentially increased, and the smoke concentration early warning value, the smoke concentration alarm value and the smoke concentration alarm value are sequentially increased;
the detection module (1) comprises a temperature detection unit (11), a temperature comparison unit (12), a smoke concentration detection unit (13), a smoke concentration comparison unit (14), a detection interface unit (15) and a personnel and ignition point identification module (16);
the warning module (2) comprises an early warning module (21), an alarm module (22) and an alarm module (23); the personnel and fire point identification module (16) is connected with the early warning module (21), the alarm module (22) and the alarm module (23) and receives the image signals output by the detection module (1) under the signal control of the early warning module (21), the alarm module (22) and the alarm module (23), the personnel and fire point identification module (16) marks the area with overhigh temperature in the image signals as a suspected fire point, outputs the image signals with the suspected fire point mark, compares the received image signals with the comparison image signals, and outputs the image signals which are similar to the outline of the human body in the comparison image and have the temperature similar to the body temperature of the human body in the outline;
the personnel and fire point identification module comprises an image receiving unit, an image storage unit, a fire point identification unit, an image comparison unit and an image interface unit; the image receiving unit receives and outputs image signals output by the early warning module, the alarm module and the alarm module; an image storage unit stores the comparison image signal and outputs the comparison image signal; the fire point identification unit is connected with the image receiving unit and receives the image signal output by the image receiving unit, marks an area with overhigh temperature in the image signal as a suspected fire point, and then outputs the image signal with the suspected fire point mark; the image comparison unit is connected with the image receiving unit and the image storage unit, receives the image signals output by the image receiving unit and the image storage unit, compares the received image signals with the comparison image signals, and outputs the image signals when the deviation between the image signals and the comparison image signals is small; the image interface unit is connected with the image comparison unit and receives the image signal output by the image comparison unit, and the image interface unit sends the received image signal to the central control module;
the central control module (3) comprises a central processor (31) and a signal interface unit (32);
the signal interface unit (32) is connected with the detection module (1) and the warning module (2) and receives the temperature value, the smoke concentration value, the position signal and the image signal output by the detection module (1) and converts the temperature value, the smoke concentration value, the position signal and the image signal into digital signals to be output;
the central processing unit (31) is connected with the signal interface unit (32) and receives the digital signal output by the signal interface unit (32), the central processing unit (31) processes the digital signal and displays the digital signal, the central processing unit (31) outputs a control signal to the signal interface unit (32), the signal interface unit (32) transmits the control signal to the early warning module (21), the warning module (22) and the warning module (23) to control the early warning module (21), the warning module (22) and the warning module (23) to start working, the central processing unit (31) outputs a stop signal to the signal interface unit (32), and the signal interface unit (32) transmits the stop signal to the early warning module (21), the warning module (22) and the warning module (23) to control the early warning module (21), The alarm module (22) and the alarm module (23) stop working;
the detection module adopts an infrared thermal imaging camera to monitor the temperature, the infrared thermal imaging camera shoots an infrared image formed by the infrared image, different objects have different colors, and the different colors also represent different temperatures, the suspected ignition point can be determined when the certain brightness is reached, a high-brightness dot-shaped structure can be formed on the image by the ignited lighter or cigarette end, and an irregular sheet-shaped structure can be formed when the ignition occurs, so that the ignition point can be judged;
meanwhile, as the body temperature of the human body is relatively constant, when the human-shaped contour appears on the infrared image and the temperature is close to the body temperature of the human body, the existence of personnel in the area can be judged, and through judging whether the personnel exist in the area or not, powerful help can be provided for fire rescue, accurate rescue can be realized, omission can be avoided, the problem that the disaster rescue personnel do no work, energy is wasted, and the disaster rescue efficiency is improved;
in addition, under the condition of fire, after the personnel and ignition point identification module determines that personnel exist in a certain area, the position of the personnel in the area is marked and tracked along with the movement of the personnel, and the personnel and ignition point identification module is covered in the whole area, so that the accurate positioning of the position of the personnel is realized, and the position information of the personnel is not lost;
carry out temperature detection through infrared thermal imaging machine, combine smog concentration detection, realize the real-time supervision to the conflagration, can discover the condition of a fire at the initial stage of conflagration, simultaneously detect through infrared temperature and tentatively confirm behind the ignition, carry out smog concentration again, if two testing results are the conflagration of appearing, then confirm for the conflagration of appearing, so can promote the conflagration and confirm the precision, can also monitor personnel's position when the conflagration appears simultaneously, trail along with personnel's removal, through personnel and ignition identification module's whole regional cover, realize the accurate positioning of personnel's position, ensure that personnel's positional information can not lose, help provides powerful for the rescue of the personnel that suffer a disaster.
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| CN111951533B (en) * | 2020-07-03 | 2022-02-22 | 北京中安安博文化科技有限公司 | Wisdom emergency system |
| CN112201000A (en) * | 2020-10-10 | 2021-01-08 | 广东省构建工程建设有限公司 | Dynamic fire monitoring system and method applied to construction stage |
| CN112858384B (en) * | 2021-01-08 | 2023-06-23 | 湖南中冶长天节能环保技术有限公司 | High-temperature detection-cooling treatment method and system for activated carbon flue gas purification device |
| CN114120562A (en) * | 2021-09-28 | 2022-03-01 | 湖北德强电子科技有限公司 | Three-dimensional visual management system of intelligence fire control thing networking |
| CN114506221B (en) * | 2022-03-03 | 2023-08-08 | 西南交通大学 | Tunnel fire scene environment detection system and method based on high-temperature superconductive magnetic levitation |
| CN114613092B (en) * | 2022-03-03 | 2024-02-20 | 河南城建学院 | Building intelligent energy-saving environment monitoring device and method for fire prevention |
| CN115437284A (en) * | 2022-08-30 | 2022-12-06 | 昆明理工大学 | Intelligent emergency escape guiding system under Internet of things |
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