CN108877136A - A kind of fire alarm system and its method of combination gamma camera and infrared point temperature instrument - Google Patents
A kind of fire alarm system and its method of combination gamma camera and infrared point temperature instrument Download PDFInfo
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- CN108877136A CN108877136A CN201710332673.0A CN201710332673A CN108877136A CN 108877136 A CN108877136 A CN 108877136A CN 201710332673 A CN201710332673 A CN 201710332673A CN 108877136 A CN108877136 A CN 108877136A
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- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000001514 detection method Methods 0.000 claims abstract description 25
- 238000012544 monitoring process Methods 0.000 claims description 4
- 238000007689 inspection Methods 0.000 claims 1
- 238000005516 engineering process Methods 0.000 description 8
- 238000012545 processing Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 206010016275 Fear Diseases 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000013528 artificial neural network Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 238000003708 edge detection Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- 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
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/12—Actuation by presence of radiation or particles, e.g. of infrared radiation or of ions
- G08B17/125—Actuation by presence of radiation or particles, e.g. of infrared radiation or of ions by using a video camera to detect fire or smoke
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Fire-Detection Mechanisms (AREA)
Abstract
The present invention is the fire alarm system and its method of a kind of combination video camera and infrared point temperature instrument, more specifically, the present invention is detected compared to other fire images, is more able to achieve the accurate detection of fire.
Description
Technical field
The present invention is the fire alarm system and its method of a kind of combination video camera and infrared point temperature instrument, more specifically, this
Invention is detected compared to other fire images, is more able to achieve the accurate detection of fire.
Background technique
Fire is always from ancient times to the present a global problem, according to WFSC (Wolrd Fire Statistics Center）
Pervious incomplete statistics in 2000, there are about 600-700 ten thousand to play fire every year in the whole world, probably there is 6.5-7.5 ten thousand every year
People dies of fire.It results in greater loss and destroys in order to prevent, people start the detection and prevention of increasingly paying attention to fire.
Traditional fire detection system is mostly based on smoke sensor device and infrared sensor, this is current market
On mainstream configuration, this also demonstrates the relative reliability of sensor, but sensor itself or has no small limitation,
Such as in spacious place, since temperature and smog need certain time just and can spread to the detection range of sensor, to be difficult to
Fire is timely and accurately detected early stage fire occurs.The drawbacks of in order to improve traditional sensors, is based on video figure in recent years
The fire automatic measurement technique of picture is increasingly prosperous, can be more efficient for which compares traditional sensors, more accurately detection fire
Calamity, however the technological core is to identify the algorithm of flame, but regardless of being the color to flame, area, gradient or boundary
Profile carries out algorithm identification, can really identify the generation of fire, but can equally have a degree of wrong report, and this
The wrong report of sample may cause some unnecessary fears, to cause a hidden trouble.
Therefore the present invention combines the fire detection technology based on image, the ranging technology based on image and puts warm instrument thermometric skill
Art can reduce to a certain extent wrong report, to realize fire while retaining the high efficiency based on image fire detection technique
Accurate detection.
Summary of the invention
A kind of fire alarm system of combination video camera and infrared point temperature instrument of the present invention：The wherein video camera and infrared point
Wen Yi is fixed on controlled holder and has parallel shooting, detection direction；The fisrt feature of video camera is wherein utilized, and
Two character control holders of video camera judge whether corresponding position occurs fire behavior in conjunction with the third feature of infrared point temperature instrument.
According to the fire alarm system of a kind of combination video camera and infrared point temperature instrument described above, wherein the of video camera
One feature is：It is detected by flame identification algorithm in the image of its shooting and doubtful fire point whether occurs.
According to the fire alarm system of a kind of combination video camera and infrared point temperature instrument described above, wherein the of video camera
Two features are：The orientation for the doubtful fire point that video camera is detected by flame identification algorithm.
According to the fire alarm system of a kind of combination video camera and infrared point temperature instrument described above, it is characterized in that：This is
The orientation for the doubtful fire point that system is exported by video camera controls holder, so that the doubtful point of fire falls into the detection of infrared point temperature instrument
In angle.
According to a kind of fire alarm system of the infrared point temperature instrument of combination video camera described above, wherein infrared point temperature instrument
Third feature be the temperature of the detection zone exported after the doubtful point of fire is fallen into its detection angles whether be more than warning level
Value.
A kind of fire alarm method of combination video camera and infrared point temperature instrument, the feature of this method are to comprise the steps of：
A. detect in monitoring range doubtful fire point whether occurs by the flame identification algorithm of video camera：If it is not, weight
Step a is executed again；If so, thening follow the steps b；
B. the orientation of doubtful fire point is calculated, and exports orientation adjustment information to holder；
C. holder rotates, so that doubtful fire point is fallen into the detection angles of infrared point temperature instrument；
D. infrared point temperature instrument detects whether the temperature in its monitoring range is more than preset threshold：If not above to the orientation
The invalid flag of setting time is carried out, and re-execute the steps a；If it does, fire alarm is then issued, to realize fire
Accurate detection.
Detailed description of the invention
Fig. 1 is the flow chart of this alarm systems approach.
Specific embodiment
According to the flow chart of Fig. 1, this method can preferentially by a recognizer detect within the scope of camera head monitor whether
There is fire secret, many molding cases in the market of the video detection technology based on flame, relevant core algorithm is also
Had very much, such as：Healey and Foo is detected using the color characteristic of flame；Yamasfishi and Yamaguchi are adopted
It with the flame color model based on the space HIV, is split, is proposed doubtful according to the saturation degree of flame color and tone characteristics
The profile of flame region takes Fourier transformation to the profile of suspicious region and extracts its domain features, then by these features
Value carries out fire identification etc. as the input of neural network, since the technology is not in the protection scope of this patent, therefore not
It is introduced doing expansion.
It, can be according to the ranging technology based on image after confirming doubtful fire point by the video detection technology based on flame
It is positioned, which has also been a mature technology, and common method is usually to following 6 points of progress image procossing：
1. gray processing；2. edge detection；3. Threshold segmentation；4. the noise spot in thick edge removes；5. edge center is extracted;6. feature mentions
It takes.Correlated results is read after processing and confirms orientation, since the technology is not also in the protection scope of this patent, therefore is not being opened up
Open introduction.
Behind the orientation for calculating doubtful fire point, instruction is assigned to holder by single-chip microcontroller, camera is rotated to infrared
In the detection range of point Wen Yi, infrared point temperature instrument can detect the temperature in the orientation, and obtained numerical value can be with current room
Temperature does a comparison, and such as the two difference is more than the threshold value being previously set, then confirms generation fire at this, alarm is issued, if low
In threshold value, then it is assumed that the image at this is the approximate interference sample with flame, then confirms and fire does not occur at this, do not issue
Alarm, threshold value can carry out different degrees of setting with area depending on the site environment, test repeatedly through inventor, in usual environment
Lower threshold value is 50 DEG C.
After confirming the image in test point orientation is the interference sample of approximate flame, this system can carry out one to the orientation
A invalid flag, within the set time, the image in the orientation do not enter back into detection range, after setting time, the orientation
Detection range is reentered, is tested repeatedly through inventor, effect is best when setting time is 10 minutes.
This specification for illustrative purposes only, provides specific embodiment.It should also be appreciated that：Although what is provided is detailed
Thin attached drawing and specific example describe the embodiment of the present invention, but they are for illustrative purposes only, method of the invention
It is not limited to disclosed fine detail and situation, and can wherein carry out various changes and be wanted without departing from by appended right
Seek the spirit of the invention that book defines.
Claims (6)
1. a kind of fire alarm system of combination video camera and infrared point temperature instrument：Wherein the video camera is fixed with infrared point temperature instrument
On controlled holder and there is parallel shooting, detection direction；Wherein utilize the fisrt feature of video camera and video camera
Two character control holders judge whether corresponding position occurs fire behavior in conjunction with the third feature of infrared point temperature instrument.
2. the fire alarm system of a kind of combination video camera and infrared point temperature instrument according to claim 1, wherein video camera
Fisrt feature be：It is detected by flame identification algorithm in the image of its shooting and doubtful fire point whether occurs.
3. the fire alarm system of a kind of combination video camera and infrared point temperature instrument according to claim 1, wherein video camera
Second feature be：The orientation for the doubtful fire point that video camera is detected by flame identification algorithm.
4. the fire alarm system of a kind of combination video camera and infrared point temperature instrument according to claim 1, it is characterized in that：It should
The orientation for the doubtful fire point that system is exported by video camera controls holder, so that the doubtful point of fire falls into the inspection of infrared point temperature instrument
In measuring angle.
5. a kind of fire alarm system of the infrared point temperature instrument of combination video camera according to claim 1, wherein infrared point
The third feature of Wen Yi is whether the temperature of the detection zone exported after the doubtful point of fire is fallen into its detection angles is more than report
Alert threshold value.
6. a kind of fire alarm method of combination video camera and infrared point temperature instrument, the feature of this method is to comprise the steps of：a.
Detect in monitoring range doubtful fire point whether occurs by the flame identification algorithm of video camera：If it is not, repeating
Step a；If so, thening follow the steps b；
B. the orientation of doubtful fire point is calculated, and exports orientation adjustment information to holder；
C. holder rotates, so that doubtful fire point is fallen into the detection angles of infrared point temperature instrument；
D. infrared point temperature instrument detects whether the temperature in its monitoring range is more than preset threshold：If not above to the orientation
The invalid flag of setting time is carried out, and re-execute the steps a；If it does, fire alarm is then issued, to realize fire
Accurate detection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710332673.0A CN108877136A (en) | 2017-05-12 | 2017-05-12 | A kind of fire alarm system and its method of combination gamma camera and infrared point temperature instrument |
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| CN201710332673.0A CN108877136A (en) | 2017-05-12 | 2017-05-12 | A kind of fire alarm system and its method of combination gamma camera and infrared point temperature instrument |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109745014A (en) * | 2018-12-29 | 2019-05-14 | 江苏云天励飞技术有限公司 | Thermometry and Related product |
| CN109872493A (en) * | 2019-01-28 | 2019-06-11 | 上海得舟信息科技有限公司 | A kind of flame location detection device based on video image processing |
| CN110097732A (en) * | 2019-05-08 | 2019-08-06 | 江西省天眼科技有限公司 | A kind of flame detecting monitoring device and its processing method |
| CN110471333A (en) * | 2019-07-26 | 2019-11-19 | 北京讯腾智慧科技股份有限公司 | Supervisory control for gas leak system and method for combustion gas station |
| CN113299035A (en) * | 2021-05-21 | 2021-08-24 | 上海电机学院 | Fire identification method and system based on artificial intelligence and binocular vision |
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| CN101625789A (en) * | 2008-07-07 | 2010-01-13 | 北京东方泰坦科技有限公司 | Method for monitoring forest fire in real time based on intelligent identification of smoke and fire |
| CN102176270A (en) * | 2011-02-25 | 2011-09-07 | 广州飒特电力红外技术有限公司 | Safety monitoring and fire alarming integrated system and method |
| CN104424746A (en) * | 2013-09-04 | 2015-03-18 | 天津市小马王科技有限公司 | Audio and video alarm system for judging temperature higher than ambient temperature |
| US20160271434A1 (en) * | 2015-03-16 | 2016-09-22 | Jeremy Douglas Dusing | Fire monitoring and suppression system |
| CN106504464A (en) * | 2016-11-04 | 2017-03-15 | 哈尔滨理工大学 | Forest fire protection monitoring system and information fusion method based on infrared thermal imaging |
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2017
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Patent Citations (5)
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| CN101625789A (en) * | 2008-07-07 | 2010-01-13 | 北京东方泰坦科技有限公司 | Method for monitoring forest fire in real time based on intelligent identification of smoke and fire |
| CN102176270A (en) * | 2011-02-25 | 2011-09-07 | 广州飒特电力红外技术有限公司 | Safety monitoring and fire alarming integrated system and method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109745014A (en) * | 2018-12-29 | 2019-05-14 | 江苏云天励飞技术有限公司 | Thermometry and Related product |
| CN109872493A (en) * | 2019-01-28 | 2019-06-11 | 上海得舟信息科技有限公司 | A kind of flame location detection device based on video image processing |
| CN110097732A (en) * | 2019-05-08 | 2019-08-06 | 江西省天眼科技有限公司 | A kind of flame detecting monitoring device and its processing method |
| CN110097732B (en) * | 2019-05-08 | 2021-07-20 | 江西省天眼科技有限公司 | Flame detection monitoring device and processing method thereof |
| CN110471333A (en) * | 2019-07-26 | 2019-11-19 | 北京讯腾智慧科技股份有限公司 | Supervisory control for gas leak system and method for combustion gas station |
| CN113299035A (en) * | 2021-05-21 | 2021-08-24 | 上海电机学院 | Fire identification method and system based on artificial intelligence and binocular vision |
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Application publication date: 20181123 |