CN105336086B - Intelligent Dynamic thermal source shielding harness and method based on infrared thermography - Google Patents
Intelligent Dynamic thermal source shielding harness and method based on infrared thermography Download PDFInfo
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- CN105336086B CN105336086B CN201510641064.4A CN201510641064A CN105336086B CN 105336086 B CN105336086 B CN 105336086B CN 201510641064 A CN201510641064 A CN 201510641064A CN 105336086 B CN105336086 B CN 105336086B
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- 238000001931 thermography Methods 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims abstract description 17
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000000391 smoking effect Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
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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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
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Abstract
Intelligent Dynamic thermal source shielding harness and method based on infrared thermography, system include infrared thermal imager, server and client side；The infrared thermal imager is used for the thermal imaging for gathering region to be measured, and generates corresponding thermal imaging signal；Server be used for detect there is thermal source in thermal imaging signal when, the number of times that the thermal source continuously repeats appearance in preset time period in same position is obtained, judges whether the number of times reaches default alarm number of times, if, it is judged to fixing thermal source, sends burning things which may cause a fire disaster alarm signal to client；If it is not, being determined as moving heat source, the thermal source is shielded, without alarm.The present invention can avoid the dynamic heat source of some non-burning things which may cause a fire disaster being mistakenly considered burning things which may cause a fire disaster, reduce wrong report and fail to report.
Description
Technical field
The present invention relates to a kind of Intelligent Dynamic thermal source shielding harness and method based on infrared thermography.
Background technology
Thermal imaging system, it is a kind of without directly contacting the thermal image device that just can detect that in infrared wavelength frequency spectrum with device.Just
The characteristics of being long-range contact-free detection this using thermal imaging system, thermal imaging system can detect the thermal source that human eye can not be found, and will
It is converted into human eye can be seen, picture temperature profile data thermography.
In China, infrared technique has been obtained for more and more extensive technology, and power system is research with applying infrared heat
As technology industry earlier, based on its powerful performance, thermal imaging system is also widely used for military affairs, fire-fighting, electric power, industry, forestry
And business thermometric and fire protection field.At present, some analysis softwares based on thermal infrared imager that in the market occurs, although in thermometric
And tremendous progress is had been achieved in terms of fire prevention, but be also short of very much at intelligent aspect, only it is merely to carry out thing frigidly
Body examination temperature and fire source probing, but detected the stability of not only system in the environment of complexity change and be affected, and be
The accuracy of system also have received certain limitation.For example, in detection process, when there is multiple thermals source to carry out irregular movement,
At this moment system is difficult to analyze whether this thermal source is to threaten the automobile chimney occurred in thermal source, environment, front engine either
The alarm of system can be all caused in the people of smoking, it is possible to caused to fail to report or reported by mistake.
The content of the invention
In view of the shortcomings of the prior art, it is contemplated that in provide it is a kind of solve above-mentioned technical problem based on infrared heat
The Intelligent Dynamic thermal source shielding harness and method of imager.
To achieve the above object, the present invention is adopted the following technical scheme that：
A kind of Intelligent Dynamic thermal source shielding harness based on infrared thermography, it includes infrared thermal imager, service
Device and client；
The infrared thermal imager is used for the thermal imaging for gathering region to be measured, and generates corresponding thermal imaging signal；
Server be used for detect there is thermal source in thermal imaging signal when, obtain the thermal source in preset time period same
One position continuously repeats the number of times of appearance, judges whether the number of times reaches default alarm number of times, if so, be judged to fixing thermal source,
Burning things which may cause a fire disaster alarm signal is sent to client；If it is not, being determined as moving heat source, the thermal source is shielded, without alarm.
A kind of Intelligent Dynamic thermal source screen method based on infrared thermography, it comprises the following steps：
Step S1：Obtain the thermal imaging signal from infrared thermal imager；
Step S2：Detect there is thermal source in thermal imaging signal when, obtain the thermal source in preset time period same
Position continuously repeats the number of times of appearance；
Step S3：Judge whether the number of times reaches default alarm number of times, if so, step S4 is performed, if it is not, performing step
S5；
Step S4：It is judged to fixing thermal source, sends burning things which may cause a fire disaster alarm signal to client；And
Step S5：It is determined as moving heat source, shields the thermal source, without alarm.
Beneficial effects of the present invention are at least as follows：
The present invention can avoid the dynamic heat source of some non-burning things which may cause a fire disaster being mistakenly considered burning things which may cause a fire disaster, reduce wrong report and fail to report.
Brief description of the drawings
Fig. 1 is the structure of the better embodiment of the Intelligent Dynamic thermal source shielding harness of the invention based on infrared thermography
Schematic diagram.
Fig. 2 is the broad flow diagram of the Intelligent Dynamic thermal source screen method of the invention based on infrared thermography.
Fig. 3 is the flow chart of the sub-step of Fig. 2 Intelligent Dynamic thermal source screen method based on infrared thermography.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the present invention is described further：
Fig. 1 is referred to, the present invention relates to a kind of Intelligent Dynamic thermal source shielding harness based on infrared thermography, its is preferable
Embodiment includes infrared thermal imager, server and client side.
The infrared thermal imager is used for the thermal imaging for gathering region to be measured, and generates corresponding thermal imaging signal.
Server be used for detect there is thermal source in thermal imaging signal when, obtain the thermal source in preset time period same
One position continuously repeats the number of times of appearance, judges whether the number of times reaches default alarm number of times, if so, be judged to fixing thermal source,
Burning things which may cause a fire disaster alarm signal is sent to client；If it is not, being determined as moving heat source, the thermal source is shielded, without alarm.
For example, the moving heat source of the motorcycle of the traveling in thermal imaging, as non-threatening.
In this way, the present invention can avoid the dynamic heat source of some non-burning things which may cause a fire disaster being mistakenly considered burning things which may cause a fire disaster, reduce wrong report and fail to report.
In the present embodiment, whether server judges thermal source while there is thermal source when number of times is not up to default alarm number of times
Fixed position and the dynamic position of thermal source, if it is not, being determined as moving heat source, shield the thermal source, without alarm；If so, according to heat
Each pixel in source obtains the dynamic site area of thermal source fixed position area, thermal source fixed position position coordinates, thermal source and thermal source
Dynamic position position coordinates, with judge the dynamic position of thermal source whether in thermal source fixed position it is peripheral can in jitter range,
If so, judging that the thermal source, as fixed thermal source, sends burning things which may cause a fire disaster alarm signal to client；If it is not, being determined as moving heat source, shielding should
Thermal source, without alarm.
In this way, can prevent from the burning things which may cause a fire disaster of slight jitter being mistakenly considered moving heat source and cause to fail to report, Detection accuracy is improved.
Preferably, server obtains heat according to thermal source fixed position and the pixel at dynamic position using definite integral formula I respectively
The dynamic site area of source fixed position area and thermal source, formula I is
Wherein, a, b represent pixel most the sitting for a while in coordinate system x-axis at thermal source fixed position or dynamic position respectively
Mark, maximum coordinates, f (x) represent number of the abscissa for x thermal source fixed position or the pixel at dynamic position.
In the present embodiment, the system also includes all-directional tripod head, and infrared thermal imager is installed on all-directional tripod head, takes
Business device obtains time that the thermal source continuously repeats appearance in preset time period in same position according to head coordinate and thermal source coordinate
Number.
Preferably, client is additionally operable to set shielding area, and server is according to set shielding area to the blind zone
Fixation thermal source present in domain carries out shielding processing.
Preferably, client is additionally operable to send releasing instruction to server, with the movement to being serviced device shielding processing
Thermal source releases shielding.
Referring to Fig. 2, the invention further relates to a kind of Intelligent Dynamic thermal source screen method based on infrared thermography, it includes
Following steps：
Step S1：Obtain the thermal imaging signal from infrared thermal imager；
Step S2：Detect there is thermal source in thermal imaging signal when, obtain the thermal source in preset time period same
Position continuously repeats the number of times of appearance；
Step S3：Judge whether the number of times reaches default alarm number of times, if so, step S4 is performed, if it is not, performing step
S5；
Step S4：It is judged to fixing thermal source, sends burning things which may cause a fire disaster alarm signal to client；And
Step S5：It is determined as moving heat source, shields the thermal source, without alarm.
Referring to Fig. 3, it is preferable that also include following sub-step in step S5：
Step S51：Judge thermal source whether while there is thermal source fixed position and the dynamic position of thermal source, if it is not, performing step
S52；If so, performing step S53；
Step S52：It is determined as moving heat source, shields the thermal source, without alarm；
Step S53：According to each pixel of thermal source obtain thermal source fixed position area, thermal source fixed position position coordinates,
Thermal source dynamic site area and the dynamic position position coordinates of thermal source, to judge whether the dynamic position of thermal source is in thermal source fixed position
It is peripheral can be in jitter range, if so, performing step S54；If it is not, performing step S52；And
Step S54：Judge that the thermal source, as fixed thermal source, sends burning things which may cause a fire disaster alarm signal to client.
Preferably, obtained respectively according to the pixel of thermal source fixed position and dynamic position using definite integral formula I in step S53
Thermal source fixed position area and the dynamic site area of thermal source are taken, formula I is
Preferably, the head coordinate and thermal source coordinate in step S2 according to all-directional tripod head obtain the thermal source in preset time
The number of times of appearance is continuously repeated in section in same position.
Preferably, this method is further comprising the steps of：Shielding area according to set by client is to the shielding area institute
The fixation thermal source of presence carries out shielding processing.
Preferably, this method is further comprising the steps of：According to mobile heat of the releasing instruction of client to shielding processing
Source releases shielding.
For those skilled in the art, technical scheme that can be as described above and design, make other each
It is kind corresponding to change and deform, and all these change and deformation should all belong to the protection model of the claims in the present invention
Within enclosing.
Claims (8)
1. a kind of Intelligent Dynamic thermal source shielding harness based on infrared thermography, it is characterised in that：
It includes infrared thermal imager, server and client side；
The infrared thermal imager is used for the thermal imaging for gathering region to be measured, and generates corresponding thermal imaging signal；
Server be used for detect there is thermal source in thermal imaging signal when, obtain the thermal source in preset time period in same position
The number of times for continuously repeating appearance is put, judges whether the number of times reaches default alarm number of times, if so, being judged to fixing thermal source, is sent
Burning things which may cause a fire disaster alarm signal is to client；If it is not, being determined as moving heat source, the thermal source is shielded, without alarm；
Whether server judges thermal source while there is thermal source fixed position and thermal source is moved when number of times is not up to default alarm number of times
State position, if it is not, being determined as moving heat source, shields the thermal source, without alarm；If so, being obtained according to each pixel of thermal source
The dynamic site area of thermal source fixed position area, thermal source fixed position position coordinates, thermal source and the dynamic position position coordinates of thermal source,
With judge the dynamic position of thermal source whether in thermal source fixed position it is peripheral can in jitter range, if so, judge the thermal source as
Fixed thermal source, sends burning things which may cause a fire disaster alarm signal to client；If it is not, being determined as moving heat source, the thermal source is shielded, without alarm.
2. the Intelligent Dynamic thermal source shielding harness as claimed in claim 1 based on infrared thermography, it is characterised in that：Service
Device respectively according to thermal source fixed position and the pixel at dynamic position using definite integral formula I obtain thermal source fixed position area and
Thermal source dynamic site area, formula I is
3. the Intelligent Dynamic thermal source shielding harness as claimed in claim 1 or 2 based on infrared thermography, it is characterised in that：
The system also includes all-directional tripod head, and infrared thermal imager is installed on all-directional tripod head, server according to head coordinate and
Thermal source coordinate obtains the number of times that the thermal source continuously repeats appearance in preset time period in same position.
4. the Intelligent Dynamic thermal source shielding harness as claimed in claim 1 or 2 based on infrared thermography, it is characterised in that：
Client is additionally operable to set shielding area, and server is according to set shielding area to the fixed heat present in the shielding area
Source carries out shielding processing.
5. the Intelligent Dynamic thermal source shielding harness as claimed in claim 1 or 2 based on infrared thermography, it is characterised in that：
Client is additionally operable to send releasing instruction to server, is shielded with being released to the moving heat source of being serviced device shielding processing.
6. a kind of Intelligent Dynamic thermal source screen of the Intelligent Dynamic thermal source shielding harness based on as any one of claim 1-5
Cover method, it is characterised in that it comprises the following steps：
Step S1：Obtain the thermal imaging signal from infrared thermal imager；
Step S2：Detect there is thermal source in thermal imaging signal when, obtain the thermal source in preset time period in same position
Continuously repeat the number of times of appearance；
Step S3：Judge whether the number of times reaches default alarm number of times, if so, step S4 is performed, if it is not, performing step S5；
Step S4：It is judged to fixing thermal source, sends burning things which may cause a fire disaster alarm signal to client；And
Step S5：It is determined as moving heat source, shields the thermal source, without alarm；
Also include following sub-step in step S5：
Step S51：Judge thermal source whether while there is thermal source fixed position and the dynamic position of thermal source, if it is not, performing step S52；
If so, performing step S53；
Step S52：It is determined as moving heat source, shields the thermal source, without alarm；
Step S53：Thermal source fixed position area, thermal source fixed position position coordinates, thermal source are obtained according to each pixel of thermal source
The dynamic position position coordinates of dynamic site area and thermal source, to judge whether the dynamic position of thermal source is outer in thermal source fixed position
That encloses can be in jitter range, if so, performing step S54；If it is not, performing step S52；And
Step S54：Judge that the thermal source, as fixed thermal source, sends burning things which may cause a fire disaster alarm signal to client.
7. Intelligent Dynamic thermal source screen method as claimed in claim 6, it is characterised in that：According to all-directional tripod head in step S2
Head coordinate and thermal source coordinate obtain the number of times that the thermal source continuously repeats appearance in preset time period in same position.
8. Intelligent Dynamic thermal source screen method as claimed in claim 6, it is characterised in that：This method is further comprising the steps of：
Shielding area according to set by client carries out shielding processing to the fixation thermal source present in the shielding area；
The moving heat source of shielding processing is released according to the releasing instruction of client and shielded.
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| CN106131499A (en) * | 2016-07-28 | 2016-11-16 | 广州紫川电子科技有限公司 | Same monitoring position based on thermal infrared imager multizone monitoring method, Apparatus and system |
| CN110222659B (en) * | 2019-06-12 | 2021-11-05 | 江苏鼎航电子科技有限公司 | Electric vehicle identification method, device and system |
| CN111564027B (en) * | 2020-05-08 | 2022-05-13 | 北京深演智能科技股份有限公司 | Alarm information processing method and device |
| CN112614302B (en) * | 2020-12-03 | 2022-10-04 | 杭州海康微影传感科技有限公司 | Fire detection method, device and system and electronic equipment |
| CN115546727A (en) * | 2022-10-20 | 2022-12-30 | 浙江华感科技有限公司 | Method and system for judging fire condition and electronic equipment |
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| GB2366369B (en) * | 2000-04-04 | 2002-07-24 | Infrared Integrated Syst Ltd | Detection of thermally induced turbulence in fluids |
| JP2002269651A (en) * | 2001-03-13 | 2002-09-20 | Shin Kurushima Dockyard Co Ltd | Fire detection system in ship and local fire extinguishing system in ship engine room |
| CN100425959C (en) * | 2003-07-25 | 2008-10-15 | 陈伟 | Infrared source heat image detecting method |
| CN101316371B (en) * | 2007-05-31 | 2012-11-28 | 财团法人工业技术研究院 | Flame detection method and device |
| CN101315667B (en) * | 2008-07-04 | 2011-01-19 | 南京航空航天大学 | Multi-feature comprehensive recognition method of outdoor early fire |
| CN101719300A (en) * | 2009-12-01 | 2010-06-02 | 航天海鹰安全技术工程有限公司 | Fire early-warning system with intelligent video and method for determining alarm parameters thereof |
| CN102663869B (en) * | 2012-04-23 | 2013-09-11 | 国家消防工程技术研究中心 | Indoor fire detection method based on video monitoring platform |
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Denomination of invention: Intelligent dynamic heat source shielding system based on infrared thermal imager and method thereof Effective date of registration: 20190617 Granted publication date: 20171103 Pledgee: China Co truction Bank Corp Guangdong FTA pilot area branch Pledgor: GUANGZHOU ZICHUAN ELECTRONIC TECHNOLOGY CO., LTD. Registration number: 2019440000223 |
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Date of cancellation: 20201215 Granted publication date: 20171103 Pledgee: China Co. truction Bank Corp Guangdong FTA pilot area branch Pledgor: GUANGZHOU ZICHUAN ELECTRONIC TECHNOLOGY Co.,Ltd. Registration number: 2019440000223 |