CN105069957A - Wireless fire detecting method based on ultraviolet flame detection - Google Patents
Wireless fire detecting method based on ultraviolet flame detection Download PDFInfo
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- CN105069957A CN105069957A CN201510417479.3A CN201510417479A CN105069957A CN 105069957 A CN105069957 A CN 105069957A CN 201510417479 A CN201510417479 A CN 201510417479A CN 105069957 A CN105069957 A CN 105069957A
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- 238000001514 detection method Methods 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title abstract description 10
- 239000000779 smoke Substances 0.000 claims abstract description 11
- 238000000825 ultraviolet detection Methods 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 238000012913 prioritisation Methods 0.000 description 4
- 238000001228 spectrum Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 241000208125 Nicotiana Species 0.000 description 1
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
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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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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/06—Electric actuation of the alarm, e.g. using a thermally-operated switch
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Fire-Detection Mechanisms (AREA)
- Fire Alarms (AREA)
Abstract
The invention discloses a wireless fire detecting method based on ultraviolet frame detection, wherein a plurality of sensor units are uniformly arranged at a detecting location. Each sensor unit comprises a temperature sensor, a smoke sensor and an ultraviolet sensor. The detecting wavelength of the ultraviolet sensor is 220nm-280nm. Furthermore an alarm device is arranged for alarming when the fire is determined. The wireless fire detecting method comprises the steps of firstly obtaining temperature information, smoke concentration information and ultraviolet detecting information with wavelength in 220nm-280nm, wherein the temperature information, the smoke concentration information and the ultraviolet detecting information are acquired by each sensor unit; and when an overhigh temperature, an overlarge smoke concentration, an overlarge temperature increase or a fire light is detected, making the alarm device alarm by each sensor unit. The wireless fire detecting method has advantages of simple design, convenient use, low mistaken alarm rate and high result accuracy.
Description
Technical field
The present invention relates to detection field, particularly relate to a kind of wireless fire disaster detection method based on ultraviolet flame detection.
Background technology
For fire, in Ancient Times in China, the experience that people just sum up " prevent, for upper, rescue and taking second place, guard against under being ".Along with the development of society, while the wealth of society is increasing, cause the danger of breaking out of fire also increasing, the harmfulness of fire is also increasing.
According to statistics, China's fire seventies annual loss is less than 2.5 hundred million yuan, and the eighties, fire annual loss was less than 3.2 hundred million yuan.Enter the nineties, particularly since 1993, the direct property loss that fire causes rises to average annual tens00000000 yuan, dead every year people more than 2000.
Fire is environmental pollution not only, and causes disruption of ecological balance, even causes great casualties and property loss.Especially along with the high speed development of economy and technology, high-rise, high-rise building in all parts of the country gets more and more, and inside fitting is more and more luxurious, and some finishing materials are also inflammable materials, easily cause disaster hidden-trouble.The airflow that in buildings, ventilation, air-conditioning equipment produce can play when high-rise building with fire disaster again incites the combustion-supporting effect of wind.Add large power air-conditioned equipment, the illumination intersected in length and breadth, power, communication, monitoring, warning, interlock circuit etc. upstairs, not only increase the probability of breaking out of fire, and considerably increase the difficulty of evacuation, fire extinguishing.
Therefore skyscraper is once catch fire, if do not have modern automatic fire control panalarm find the condition of a fire as early as possible and put out a fire to save life and property in time, the speed of fire spread and the loss of lives and properties are all difficult to estimate.The ancient building etc. also having some special occasions to have conservation value as some has all had more requirement to fire fire-fighting.
Facts have proved, along with society and expanding economy, firemanic importance is just more and more outstanding." harm of fire preventing and minimizing fire " is the general overview to fire-fighting legislation meaning, includes two layers of meaning: one is the work in every carrying out fire preventing, prevents fire; Two are fire is absolutely not impossible, and once breaking out of fire, just should in time, effectively put out a fire to save life and property, and reduces the harm of fire.
Along with the development of economy and technology, human material's wealth and technological achievement accumulate increasing simultaneously, especially skyscraper and the industrial premises demand to the fire protection warning product of modern fire technology and hi-tech, high reliability is increasing in entire society.
Wireless fire disaster alarm system is the novel fire alarm system grown up abroad in recent years, and it is the fire alarm and fault-signal that utilize wireless fire disaster sniffer to send, and record sends the place of signal and the automatic fire alarm specialized equipment of time.
Wireless fire disaster alarm system is made up of wireless fire disaster sniffer and Wireless Fire Alarm Controller.Wireless fire disaster sniffer is primarily of fire detector, transmitting set composition, and it can send fire alarm signal and fire detecting arrangement failure alarm signal automatically and manually; When wireless fire disaster sniffer in investigative range, break down by breaking out of fire or inside, sniffer will produce unlike signal, start transmitter simultaneously, send different alerting signals at the appointed time.Wireless Fire Alarm Controller can realize the sound and light of alarm of fire and sniffer fault after receiving alerting signal.
Wireless fire disaster sniffer can be any one flip flop equipment by regulation, this flip flop equipment control receiving equipment that certain radio transmitting method combines carries out communication, for various forms of fire detecting arrangement, the form of its employing wireless transmission also has different requirements, and wireless fire disaster alarm system has the advantage of its uniqueness and breeds huge market potential.
Because wireless fire disaster alarm system is quick for installation, do not injure during construction to the structure of buildings itself, all very applicable in many occasions, particularly its flexible setting is that wired alarming system is incomparable, all applicable from cultural relic building thing to hotel etc.
For the place that hot work in progress or carry out is redecorated, before not being provided with report from a liner alarm system, this temporary system fully can ensure the fire safety of buildings, once construction terminates, wireless system can transfer to other place easily.
The place had in addition may use point-type sense cigarette or heat detection device originally, but in this place, there is few time to carry out PROCESS FOR TREATMENT, therefore the performance of sniffer will be affected, as tobacco leaf warehouse, desinsection technique will be carried out every year, desinsection will use the pesticide that corrosivity is very strong, wired fire alarm system does not just keep out corrosion, system can be made to scrap, if employing wireless alarm system, system, without wire, can be easy to sniffer to move to outdoor, again sniffer be put back to original position after treating PROCESS FOR TREATMENT.
Existing wireless fire disaster detection system is only generally simple utilize temperature sensor or smoke transducer, and rate of false alarm is high.
Summary of the invention
Technical matters to be solved by this invention is for defect involved in background technology, provides a kind of wireless fire disaster detection method based on ultraviolet flame detection.
The present invention is for solving the problems of the technologies described above by the following technical solutions:
Based on a wireless fire disaster detection method for ultraviolet flame detection, comprise following steps:
Step 1), evenly arrange some sensor units on detection ground, described sensor unit comprises temperature sensor, smoke transducer and UV sensor, and the detection wavelength of described Ultraviolet sensor is 220nm ~ 280nm;
Step 2), warning device is set, to report to the police when judging breaking out of fire;
Step 3), obtains temperature information, smokescope information and the wavelength ultraviolet detection information between 220nm ~ 280nm that each acquisition sensor unit detects;
Step 4), for each sensor unit, the smokescope detected compares with the smoke density threshold value preset, if the smokescope detected is greater than default smokescope, controls warning device and reports to the police;
Step 5), for each sensor unit, the temperature detected compares with the temperature threshold preset, if the temperature detected is greater than default temperature threshold, controls warning device and reports to the police;
Step 6), for each sensor unit, calculates the rate of rise of the temperature that it detects, and this rate of rise and the rate-valve value preset is compared, if this rate of rise is greater than default rate-valve value, controls warning device and reports to the police;
Step 7), for each sensor unit, if it detects the ultraviolet of wavelength between 220nm ~ 280nm, controls warning device and reports to the police.
As a kind of further prioritization scheme of wireless fire disaster detection method based on ultraviolet flame detection of the present invention, described temperature sensor adopts IC temperature sensor.
As a kind of further prioritization scheme of wireless fire disaster detection method based on ultraviolet flame detection of the present invention, described IC temperature sensor adopts DS18B20 type temperature sensor.
As a kind of further prioritization scheme of wireless fire disaster detection method based on ultraviolet flame detection of the present invention, warning device is acoustic-optic alarm.
As a kind of further prioritization scheme of wireless fire disaster detection method based on ultraviolet flame detection of the present invention, warning device is SMS alarming device.
Flame radiation has the gas radiation of discrete spectrum and the solid radiative with continuous spectrum, its wavelength is 0.1-10 μm or wider scope, in order to avoid the interference of other signals, often utilize the ultraviolet of wavelength (300nm), or in flame the CO2 radiation spectrum of distinctive wavelength near 4.4 μm as detectable signal.UV sensor only responds the ultraviolet in 185 ~ 260nm narrow range, and insensitive to the light of other spectral range, utilizes it can to detect the ultraviolet in flame.Arrive the optical wavelength that the sunshine on ground under atmospheric envelope and non-purple material send as the electric light source of glass bulb and be all greater than 300nm, therefore 220nm ~ 280nm middle ultraviolet band of flame detecting belongs to solar spectrum blind area (day-old chick).
The present invention adopts above technical scheme compared with prior art, has following technique effect:
1. simplicity of design, easy to use;
2. rate of false alarm is low, and result is accurate;
3. significantly reduce the working strength of staff.
Embodiment
Below technical scheme of the present invention is described in further detail:
The invention discloses a kind of wireless fire disaster detection method based on ultraviolet flame detection, comprise following steps:
Step 1), evenly arrange some sensor units on detection ground, described sensor unit comprises temperature sensor, smoke transducer and UV sensor, and the detection wavelength of described Ultraviolet sensor is 220nm ~ 280nm;
Step 2), warning device is set, to report to the police when judging breaking out of fire;
Step 3), obtains temperature information, smokescope information and the wavelength ultraviolet detection information between 220nm ~ 280nm that each acquisition sensor unit detects;
Step 4), for each sensor unit, the smokescope detected compares with the smoke density threshold value preset, if the smokescope detected is greater than default smokescope, controls warning device and reports to the police;
Step 5), for each sensor unit, the temperature detected compares with the temperature threshold preset, if the temperature detected is greater than default temperature threshold, controls warning device and reports to the police;
Step 6), for each sensor unit, calculates the rate of rise of the temperature that it detects, and this rate of rise and the rate-valve value preset is compared, if this rate of rise is greater than default rate-valve value, controls warning device and reports to the police;
Step 7), for each sensor unit, if it detects the ultraviolet of wavelength between 220nm ~ 280nm, controls warning device and reports to the police.
Described temperature sensor adopts IC temperature sensor, and model is DS18B20.
Described warning device can adopt acoustic-optic alarm, also can adopt SMS alarming device.
Those skilled in the art of the present technique are understandable that, unless otherwise defined, all terms used herein (comprising technical term and scientific terminology) have the meaning identical with the general understanding of the those of ordinary skill in field belonging to the present invention.Should also be understood that those terms defined in such as general dictionary should be understood to have the meaning consistent with the meaning in the context of prior art, unless and define as here, can not explain by idealized or too formal implication.
Above-described embodiment; object of the present invention, technical scheme and beneficial effect are further described; be understood that; the foregoing is only the specific embodiment of the present invention; be not limited to the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (5)
1., based on a wireless fire disaster detection method for ultraviolet flame detection, it is characterized in that, comprise following steps:
Step 1), evenly arrange some sensor units on detection ground, described sensor unit comprises temperature sensor, smoke transducer and UV sensor, and the detection wavelength of described Ultraviolet sensor is 220nm ~ 280nm;
Step 2), warning device is set, to report to the police when judging breaking out of fire;
Step 3), obtains temperature information, smokescope information and the wavelength ultraviolet detection information between 220nm ~ 280nm that each acquisition sensor unit detects;
Step 4), for each sensor unit, the smokescope detected compares with the smoke density threshold value preset, if the smokescope detected is greater than default smokescope, controls warning device and reports to the police;
Step 5), for each sensor unit, the temperature detected compares with the temperature threshold preset, if the temperature detected is greater than default temperature threshold, controls warning device and reports to the police;
Step 6), for each sensor unit, calculates the rate of rise of the temperature that it detects, and this rate of rise and the rate-valve value preset is compared, if this rate of rise is greater than default rate-valve value, controls warning device and reports to the police;
Step 7), for each sensor unit, if it detects the ultraviolet of wavelength between 220nm ~ 280nm, controls warning device and reports to the police.
2. the wireless fire disaster detection method based on ultraviolet flame detection according to claim 1, is characterized in that, described temperature sensor adopts IC temperature sensor.
3. the wireless fire disaster detection method based on ultraviolet flame detection according to claim 2, is characterized in that, described IC temperature sensor adopts DS18B20 type temperature sensor.
4. the wireless fire disaster detection method based on ultraviolet flame detection according to claim 1, it is characterized in that, warning device is acoustic-optic alarm.
5. the wireless fire disaster detection method based on ultraviolet flame detection according to claim 1, it is characterized in that, warning device is SMS alarming device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510417479.3A CN105069957A (en) | 2015-07-16 | 2015-07-16 | Wireless fire detecting method based on ultraviolet flame detection |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510417479.3A CN105069957A (en) | 2015-07-16 | 2015-07-16 | Wireless fire detecting method based on ultraviolet flame detection |
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| CN105069957A true CN105069957A (en) | 2015-11-18 |
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| CN201510417479.3A Pending CN105069957A (en) | 2015-07-16 | 2015-07-16 | Wireless fire detecting method based on ultraviolet flame detection |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107085912A (en) * | 2017-04-27 | 2017-08-22 | 扬州大学 | A kind of remote ultraviolet flame detection alarm device |
| CN108593116A (en) * | 2018-05-18 | 2018-09-28 | 武汉理工大学 | Superhigh temperature deep ultraviolet optical fiber sensor measuring system |
| CN111819027A (en) * | 2020-05-13 | 2020-10-23 | 马鞍山市明珠电子科技有限公司 | Fire detection method and fire detection device |
| CN112133052A (en) * | 2020-09-22 | 2020-12-25 | 岭澳核电有限公司 | Image fire detection method for nuclear power plant |
| CN113065421A (en) * | 2021-03-19 | 2021-07-02 | 国网河南省电力公司电力科学研究院 | Multi-source optical fire detection method and system for oil charging equipment |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107085912A (en) * | 2017-04-27 | 2017-08-22 | 扬州大学 | A kind of remote ultraviolet flame detection alarm device |
| CN108593116A (en) * | 2018-05-18 | 2018-09-28 | 武汉理工大学 | Superhigh temperature deep ultraviolet optical fiber sensor measuring system |
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| CN112133052A (en) * | 2020-09-22 | 2020-12-25 | 岭澳核电有限公司 | Image fire detection method for nuclear power plant |
| CN113065421A (en) * | 2021-03-19 | 2021-07-02 | 国网河南省电力公司电力科学研究院 | Multi-source optical fire detection method and system for oil charging equipment |
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Application publication date: 20151118 |