CN211454755U - Fire alarm system capable of accurately determining comburent - Google Patents
Fire alarm system capable of accurately determining comburent Download PDFInfo
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- CN211454755U CN211454755U CN201921995999.2U CN201921995999U CN211454755U CN 211454755 U CN211454755 U CN 211454755U CN 201921995999 U CN201921995999 U CN 201921995999U CN 211454755 U CN211454755 U CN 211454755U
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Abstract
The utility model discloses a fire alarm system of accurate definite comburent belongs to fire control technical field. The system comprises: the system comprises a burning object detection system, a central control system and an alarm system; the comburent detection system comprises a temperature sensor, a light sensor, a smoke concentration sensor, a sound wave sensor and a gas sensor; the central control system comprises a signal receiving module, a storage module, a control module and a signal sending module; the alarm system comprises an audible alarm. The utility model discloses in can combine the kind of judgement comburent in 3 aspects such as the gas composition that produces through the change rate of combustion products, the peculiar sound wave of comburent burning and comburent burning, concentration to greatly improve the accuracy of confirming comburent kind, avoided the erroneous judgement to a very big degree, and then can greatly improve follow-up fire alarm personnel and confirm the accuracy of the mode of putting out a fire, reduce the reaction time of putting out a fire, personnel and the loss of property that the conflagration leads to have reduced to a certain extent.
Description
Technical Field
The utility model relates to a fire control technical field, in particular to fire alarm system of accurate definite comburent.
Background
In social life, a fire disaster is one of disasters threatening public safety and endangering lives and properties of people, and is the most frequent disaster among various disasters, and the fire disaster is a common disastrous problem facing people of all countries in the world due to extremely high occurrence frequency, wide damage and high destructiveness. With the development of social productivity and the increasing of social wealth, the scales of chemical plants and laboratories are gradually enlarged, the quantity of the chemical plants and laboratories is gradually increased, the use amount of various chemicals and flammable and explosive substances in the chemical plants and laboratories is large, the storage positions are multiple, the design range is wide, the number of contact personnel is large, accidents such as fire catching, explosion and the like are easy to happen, and therefore fire alarm devices must be installed in the chemical plants and laboratories, fire disasters can be discovered and extinguished in time, and the loss of personnel and property is reduced.
The alarm device in the prior art is usually composed of a smoke probe and an alarm device, when the smoke probe in the fire alarm device senses that smoke is generated, the alarm device is triggered to give out an alarm sound, and after workers in a chemical plant or a laboratory hear the alarm sound, the workers manually make a fire alarm call to alarm.
However, because of more dangerous goods in chemical plants and laboratories, fire alarm personnel must first judge whether some chemical substances which cannot be extinguished by water exist in a fire scene, and if the chemical substances are extinguished by water blindly, serious consequences such as explosion and the like are caused, at present, detection is mainly carried out by inquiring related personnel, carrying out site investigation and the like, but the mode has low safety factor, is easy to make mistakes and has long consumed time, and the best extinguishing time is possibly missed, so that serious consequences which cannot be recovered are caused; in addition, fire alarm personnel are dangerous to survey fire scene, and are easy to cause personal injury.
SUMMERY OF THE UTILITY MODEL
In order to confirm the comburent accurately in time, the utility model provides a fire alarm system of accurate definite comburent, the system includes: the system comprises a burning object detection system, a central control system and an alarm system; the combustion detection system comprises a temperature sensor, a light sensor, a smoke concentration sensor, a sound wave sensor and a gas sensor; the central control system comprises a signal receiving module, a storage module, a control module and a signal sending module; the alarm system comprises an audible alarm; the temperature sensor, the light sense sensor the smog concentration sensor sound wave sensor the gas sensor all with signal receiving module carries out electric connection, signal receiving module with control module carries out electric connection, control module with storage module signal sending module carries out electric connection, signal sending module with sound alarm carries out electric connection.
Optionally, the fire alarm system for accurately determining the comburent further comprises a positioning system, and the positioning system is electrically connected with the signal receiving module.
Optionally, the fire alarm system for accurately determining the comburent further comprises a fire alarm system and a mobile terminal, the signal sending module is further in communication connection with the fire alarm system and the mobile terminal, the fire alarm system is a monitoring system of a fire center, and the mobile terminal is a mobile terminal monitored by workers.
Optionally, the alarm system further comprises a voice broadcast module, and the voice broadcast module is electrically connected with the signal sending module.
The utility model provides a technical scheme's beneficial effect is:
the utility model discloses in combine the kind of judging the comburent in 3 aspects such as the gas composition that the change rate through combustion products, the peculiar sound wave of comburent burning and comburent burning produced, concentration to greatly improved the accuracy of confirming comburent kind, avoided the erroneous judgement to very big degree. Secondly, the utility model discloses in after judging the kind of burning thing, not only can control audible alarm ware and send and burn the corresponding police dispatch newspaper sound of kind, can also control the voice broadcast module and carry out the pronunciation and remind to help relevant personnel in time withdraw. Moreover, the utility model can automatically send alarm information containing the types of the burning objects and the fire addresses to the fire alarm system, so that fire alarm personnel can prepare enough fire extinguishing tools and timely arrive at the scene, thereby greatly improving the accuracy of the fire alarm personnel in determining the fire extinguishing mode and reducing the fire extinguishing reaction time; in addition, alarm information can be sent to a mobile terminal monitored by a worker, so that the worker reports related conditions before the fire alarm worker reaches the site, the evacuation of related personnel is assisted, emergency measures are taken and the like, and the loss of personnel and property caused by fire is reduced to a certain extent.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a fire alarm system for accurately determining a comburent according to the present invention;
reference numerals: 1-a combustion detection system; 2-a central control system; 3-an alarm system; 4-a temperature sensor; 5-a light sensor; 6-smoke concentration sensor; 7-an acoustic wave sensor; 8-a gas sensor; 9-a receiving module; 10-a storage module; 11-a control module; 12-a signal transmission module; 13-an audible alarm; 14-a positioning system; 15-a fire alarm system; 16-a mobile terminal; 17-voice broadcast module.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings. For convenience of understanding, before the embodiments of the present invention are explained in detail, the application scenarios related to the embodiments of the present invention will be described.
The use amount of various chemicals and flammable and explosive articles in chemical plants and laboratories is large, the storage positions are many, the design range is wide, the contact personnel are many, accidents such as fire catching, explosion and the like easily occur, and different fire extinguishing tools are needed to be used for different comburents, so that the comburent must be determined before fire extinguishing by a fire alarm, and then the corresponding fire extinguishing tool is used for fire extinguishing. At present, detection is mainly carried out by inquiring related personnel, carrying out site investigation and the like, but the method has the advantages of low safety factor, easy error occurrence and longer consumed time, and possibly misses the optimal fire extinguishing time to cause irrecoverable serious consequences; in addition, fire alarm personnel are dangerous to survey fire scene, and are easy to cause personal injury. Therefore the utility model provides a fire alarm system of accurate definite comburent uses at each large chemical plant and laboratory, can in time accurately confirm the comburent, has avoided fire alarm personnel to carry out the scene of fire investigation to fire alarm personnel's personal safety has been guaranteed.
Fig. 1 is a schematic structural diagram of a fire alarm system for accurately determining a comburent according to the present invention. Referring to fig. 1, the system includes: the system comprises a burning object detection system 1, a central control system 2 and an alarm system 3; the comburent detection system 1 comprises a temperature sensor 4, a light sensor 5, a smoke concentration sensor 6, an acoustic wave sensor 7 and a gas sensor 8; the central control system 2 comprises a signal receiving module 9, a storage module 10, a control module 11 and a signal sending module 12; the alarm system 3 comprises an audible alarm 13; temperature sensor 4, light sense sensor 5, smog concentration sensor 6, sound wave sensor 7, gas sensor 8 all carry out electric connection with signal receiving module 9, and signal receiving module 9 and control module 11 carry out electric connection, and control module 11 and storage module 10, signal transmission module 12 carry out electric connection, and signal transmission module 12 and audible alarm 13 carry out electric connection.
The combustion object detection system 1 is used for detecting combustion object information of a fire scene, the central control system 2 is used for receiving signals sent by all sensors of the combustion object detection system 1 and judging the type of the combustion object based on all the received signals, and the alarm system 3 is used for giving an alarm based on the type of the combustion object.
It should be noted that the propagation rates of the combustion products of solid, liquid and gas are different, generally the gas is larger than the liquid than the solid, and the propagation rates of the combustion products are different, which results in different change rates of temperature, flame and smoke concentration during combustion, and by using this difference, the central control system 2 can quickly determine whether the combustion product is solid, liquid or gas.
Specifically, the temperature sensor 4 is a sensor capable of sensing temperature and converting the sensed temperature into a usable output signal, that is, the temperature sensor 4 can detect the temperature of the fire scene in real time and convert the detected temperature into a temperature signal to be sent to the signal receiving module 9 of the central control system 1. The light sensor 5 is a sensor based on a photoelectric effect, generates the photoelectric effect after being irradiated by visible light, and can convert an optical signal into an available output signal, that is, the light sensor 5 can detect fire light generated in a fire scene in real time, convert the detected fire light into a fire light signal, and send the fire light signal to the signal receiving module 9 of the central control system 1. The smoke concentration sensor 6 is a sensor capable of detecting smoke concentration and converting the smoke concentration into a usable output signal, that is, the smoke concentration sensor 6 can detect the smoke concentration generated in a fire scene in real time, convert the detected smoke concentration into a smoke concentration signal and send the smoke concentration signal to the signal receiving module 9 of the central control system 1.
Secondly, the temperature sensor 4, the light sensor 5, the smoke concentration sensor 6, etc. are all detection devices, which can sense the information to be measured and convert the sensed information into electrical signals or other information in required form according to a certain rule to output, so as to meet the requirements of information transmission, processing, storage, display, recording and control, etc., therefore, the temperature sensor 4, the light sensor 5, and the smoke concentration sensor 6 all include a detection part, a signal conversion part and a signal transmission part (not shown in the figure), the detection part is determined according to the specific type of the sensor, the property of the object to be measured, etc., the signal conversion part is determined according to the required signal form, the signal transmission part only needs to transmit the converted signal to other parts for use, the specific structure and internal structure of the sensor are not limited in the present invention, any sensor in the prior art that can meet the above requirements is acceptable.
In addition, the control module 11 of the central control system 2 may determine a corresponding temperature change rate, a fire change rate, and a smoke concentration change rate according to the temperature signal, the fire signal, and the smoke concentration signal received in real time, and then the control module 11 of the central control system 2 may call the corresponding relationship between the change rate and the kind of the combustion object, which are stored in the storage module 10 in advance, based on the determined 3 change rates to determine whether the kind of the combustion object is solid, liquid, or gas.
Note that the acoustic characteristics of the sound waves generated when the solid, liquid, and gas are burned are different, and the type of the combustion product can be determined from the sound waves generated by the combustion of the combustion product.
Specifically, the acoustic wave sensor 7 functions as a microphone (microphone) for receiving acoustic waves and displaying a vibration image of the acoustic waves, and the sensor is provided with a sound-sensitive electret condenser microphone, and the acoustic waves vibrate an electret film in the microphone to cause a change in capacitance and generate a minute voltage corresponding to the change, and the voltage can be converted into a usable output signal, that is, the acoustic wave sensor 7 can detect the acoustic waves generated during combustion of a fire site combustion product in real time and convert the detected acoustic waves into an acoustic wave signal to be sent to the signal receiving module 9 of the central control system 2, and then the control module 11 of the central control system 2 can perform noise reduction preprocessing on the acoustic wave signal according to the received acoustic wave signal, then perform feature extraction and output feature quantities, call a sound feature database stored in the storage module 10 in advance, and comparing the characteristic quantity with the characteristic quantity in the called sound characteristic database, and determining whether the type of the combustion object is solid, liquid or gas by adopting a similar identification or fuzzy identification method. As with the above-described sensors, the acoustic wave sensor 7 should also include a detection section, a signal conversion section, and a signal transmission section (none of which are shown in the drawing).
Secondly, the utility model discloses in can collect the sound wave that produces when a large amount of combustion materials burn in advance, extract its characteristic quantity to on the kind of combustion materials and the characteristic quantity that corresponds prestore storage module 10 of central control system 2 as sound characteristic database, in order to supply control module 11 to call.
The composition and concentration of the solid, liquid, and gas generated during combustion of the gas are different from each other, and the type of the combustion product can be determined from the composition and concentration of the gas in the air.
Specifically, the gas sensor 8 is a sensor that can convert information such as the composition and concentration of gas generated by combustion of a combustion product into a usable output signal, that is, the gas sensor 8 can detect the composition and concentration of gas generated by combustion of a combustion product in a fire scene in real time, convert the detected gas composition and concentration into a gas composition signal, and send the gas composition signal to the signal receiving module 9 of the central control system 2, and then the control module 9 of the central control system 2 can call a gas composition database pre-stored in the storage module 10 according to the gas composition signal to determine whether the combustion product is solid, liquid or gas, and can also determine whether the gas generated by combustion is toxic gas.
It should be noted that, the utility model discloses in, central control system 2 can determine the kind of comburent according to temperature change rate, flare change rate and smog concentration change rate, also can determine the kind of comburent according to the peculiar sound wave of comburent, can also determine the kind of comburent according to gas composition and the concentration that the comburent burning produced, when there are 2 in the kind of 3 comburents that the aforesaid was determined and when being same kind of comburent more than, central control system 2 is the kind of current comburent with it determination, and the sound that the audible alarm 13 of control alarm system 3 sent and comburent kind and correspond, and the accurate staff that tells specifically that which kind of material is on fire in time.
In addition, the alarm 13 may be preset with a plurality of sounds respectively corresponding to a plurality of combustion objects, such as "drip" -a "," beep "-a" and "poly-one" -to distinguish different kinds of combustion objects; or different kinds of combustion objects can be distinguished through the length of sound and the length of interval, and the utility model discloses do not do the restriction to this.
It is worth explaining, the utility model discloses in combine to judge the kind of comburent in 3 aspects such as change rate, peculiar sound wave and gas composition, concentration through combustion products, the comburent kind accuracy of determining is higher, has avoided the erroneous judgement to a great extent, and then can greatly improve follow-up fire alarm personnel and confirm the accuracy of the mode of putting out a fire, reduce the reaction time of putting out a fire, reduced personnel and the loss of property that the conflagration leads to a certain extent.
Further, the fire alarm system for accurately determining the comburent further comprises a positioning system 14, and the positioning system 14 is electrically connected with the signal receiving module 9. The positioning system 14 may be a GPS positioning device, or may be other positioning devices, which is not limited by the present invention. The positioning system 14 can accurately position a specific fire site and send the position information obtained by positioning to the signal receiving module 9 of the central control system 2.
Further, the fire alarm system for accurately determining the comburent further comprises a fire alarm system 15 and a mobile terminal 16, the signal sending module 12 is further in communication connection with the fire alarm system 15 and the mobile terminal 16, the fire alarm system 15 is a monitoring system of a fire center, and the mobile terminal 16 is a mobile terminal monitored by staff.
It should be noted that the signal sending module 12 of the central control system 2 is also in communication connection with the fire alarm system 15 and the mobile terminal 16, that is, the central control system 2 can send alarm information to the fire alarm system 15 and the mobile terminal 16. Specifically, the central control system 2 may package and transmit the type of the combustion object determined by the control module 11 and the position information transmitted by the positioning system 14 to the fire alarm system 15 and the mobile terminal 16. After the fire alarm personnel see the alarm information of the fire alarm system 15, corresponding fire extinguishing tools can be prepared in time according to the types of burning objects, and the fire can arrive at a fire scene in time according to the position information in the alarm information.
In addition, the staff assigned to the monitoring mobile terminal 16 should have certain fire-fighting knowledge, and after seeing the alarm information on the mobile terminal 16, the staff can assist the trapped people to evacuate timely, and take corresponding emergency measures before the fire alarm personnel arrive, so as to reduce casualties as much as possible.
Further, alarm system 3 still includes voice broadcast module 17, and this voice broadcast module 17 and signal transmission module 12 carry out electric connection. At this time, the control module 11 of the central control system 2 can also control the voice broadcasting module 17 to broadcast relevant conditions of the fire, such as the types of the burning objects, whether the generated gas is toxic or not, and the like, through the signal sending module 12, so as to help people trapped in the fire scene to save themselves, and further reduce casualties.
It should be noted that, because when the sound alarm 13 alarms, the voice broadcast by the voice broadcast module 17 may be not heard clearly, when the alarm system 3 further includes the voice broadcast module 17, and when the voice needs to be broadcast, the control module 11 of the central control system 2 may control the sound alarm 13 to alarm for a preset time length through the signal sending module 12 and then pause, and control the voice broadcast module 17 to broadcast the voice, and when the voice broadcast of the voice broadcast module 17 is completed, the sound alarm 13 is controlled to start to alarm, and the above operation is repeated in this cycle.
The utility model discloses in the complete working process who provides a fire alarm system of accurate definite comburent can be: when chemical liquid stored in a certain laboratory catches fire, the temperature sensor 4, the light sensor 5 and the smoke concentration sensor 6 respectively send temperature signals, fire signals and smoke concentration signals detected by the temperature sensor, the fire signals and the smoke concentration sensors to the signal receiving module 9 of the central control system 2 in real time, the control module 10 of the central control system 2 determines temperature change rate, fire change rate and smoke concentration change rate according to the received signals, and determines that the type of a combustion object is liquid according to the 3 change rates. Meanwhile, the acoustic wave sensor 7 sends the detected acoustic wave signal to the signal receiving module 9 of the central control system 2, and then the control module 11 of the central control system 2 determines that the kind of the combustion object is also liquid based on the acoustic wave signal. Meanwhile, the gas sensor 8 sends the detected gas components and concentration to the signal receiving module 9 of the central control system 2, and the control module 11 of the central control system 2 determines that the type of the combustion products is also liquid and toxic according to the gas components and concentration.
Then, the control module 11 of the central control system 2 sends a control command to the alarm system 3 through the signal sending module 12, controls the sound alarm 13 to send a "drip" alarm sound with a duration of 5 seconds, and controls the voice broadcasting module 17 to play voice after 5 seconds, so that the laboratory is suspected of having a fire and burning toxic liquid, and please withdraw in time after protection. Meanwhile, the control module 11 of the central control system 2 may also send information to the fire alarm system 15 through the signal sending module 12: when a fire disaster occurs in a laboratory at XX street XX number XX of XX road, a toxic liquid is suspected to be burnt, a corresponding fire extinguishing tool is prepared and timely driven to the site, and after the fire alarm personnel see the information, the corresponding fire extinguishing tool is prepared to be driven to the site for fire extinguishing. Meanwhile, the central control system 2 may also send information to the mobile terminal 16 through the signal sending module 12: when a fire disaster occurs in the laboratory at the XX position, the fire disaster is suspected to be toxic liquid burning, workers are asked to assist the evacuation of related personnel, emergency measures are made, the workers monitoring the mobile terminal see the information and report the information to the upper level to assist the evacuation of the related personnel in time, and whether alarm information is received or not can be confirmed to the fire alarm system 15, so that the situation that the alarm is not given in time due to communication interruption is avoided.
It is worth explaining, the utility model discloses in combine to judge the kind of comburent through 3 aspects such as the gas composition that the change rate of combustion products, the peculiar sound wave of comburent burning and comburent burning produced, concentration to greatly improved the accuracy of confirming the comburent kind, avoided the erroneous judgement to a very big extent. Secondly, the utility model discloses in after judging the kind of burning thing, not only can control audible alarm ware and send and burn the corresponding police dispatch newspaper sound of kind, can also control the voice broadcast module and carry out the pronunciation and remind to help relevant personnel in time withdraw. Moreover, the utility model can automatically send alarm information containing the types of the burning objects and the fire addresses to the fire alarm system, so that fire alarm personnel can prepare enough fire extinguishing tools and timely arrive at the scene, thereby greatly improving the accuracy of the fire alarm personnel in determining the fire extinguishing mode and reducing the fire extinguishing reaction time; in addition, alarm information can be sent to a mobile terminal monitored by a worker, so that the worker reports related conditions before the fire alarm worker reaches the site, the evacuation of related personnel is assisted, emergency measures are taken and the like, and the loss of personnel and property caused by fire is reduced to a certain extent.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (4)
1. A fire alarm system for accurately determining combustion products, the system comprising: the system comprises a burning object detection system (1), a central control system (2) and an alarm system (3); the comburent detection system (1) comprises a temperature sensor (4), a light sensor (5), a smoke concentration sensor (6), a sound wave sensor (7) and a gas sensor (8); the central control system (2) comprises a signal receiving module (9), a storage module (10), a control module (11) and a signal sending module (12); the alarm system (3) comprises an audible alarm (13); temperature sensor (4), light sense sensor (5) smoke concentration sensor (6), sound wave sensor (7) gas sensor (8) all with signal receiving module (9) carry out electric connection, signal receiving module (9) with control module (11) carry out electric connection, control module (11) with storage module (10) signal sending module (12) carry out electric connection, signal sending module (12) with audible alarm (13) carry out electric connection.
2. The fire alarm system for accurately determining the comburent according to claim 1, further comprising a positioning system (14), wherein the positioning system (14) is electrically connected with the signal receiving module (9).
3. The fire alarm system for accurately determining the comburent according to claim 2, wherein the fire alarm system for accurately determining the comburent further comprises a fire alarm system (15) and a mobile terminal (16), the signal sending module (12) is further in communication connection with the fire alarm system (15) and the mobile terminal (16), the fire alarm system (15) is a monitoring system of a fire center, and the mobile terminal (16) is a mobile terminal monitored by staff.
4. The fire alarm system for accurately determining the comburent according to claim 1, wherein the alarm system (3) further comprises a voice broadcasting module (17), and the voice broadcasting module (17) is electrically connected with the signal sending module (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921995999.2U CN211454755U (en) | 2019-11-19 | 2019-11-19 | Fire alarm system capable of accurately determining comburent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921995999.2U CN211454755U (en) | 2019-11-19 | 2019-11-19 | Fire alarm system capable of accurately determining comburent |
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| CN211454755U true CN211454755U (en) | 2020-09-08 |
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| CN201921995999.2U Expired - Fee Related CN211454755U (en) | 2019-11-19 | 2019-11-19 | Fire alarm system capable of accurately determining comburent |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114856395A (en) * | 2022-05-11 | 2022-08-05 | 浙江昊博门业科技有限公司 | Heat-insulating fireproof window and production device thereof |
| CN115097060A (en) * | 2022-06-29 | 2022-09-23 | 万霖消防技术有限公司 | Fire prediction method and device, electronic equipment and readable storage medium |
-
2019
- 2019-11-19 CN CN201921995999.2U patent/CN211454755U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114856395A (en) * | 2022-05-11 | 2022-08-05 | 浙江昊博门业科技有限公司 | Heat-insulating fireproof window and production device thereof |
| CN115097060A (en) * | 2022-06-29 | 2022-09-23 | 万霖消防技术有限公司 | Fire prediction method and device, electronic equipment and readable storage medium |
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