CN108898781A - A kind of intelligent fire Internet of things system based on public cloud - Google Patents
A kind of intelligent fire Internet of things system based on public cloud Download PDFInfo
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- CN108898781A CN108898781A CN201810776442.3A CN201810776442A CN108898781A CN 108898781 A CN108898781 A CN 108898781A CN 201810776442 A CN201810776442 A CN 201810776442A CN 108898781 A CN108898781 A CN 108898781A
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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
- G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
- G08B25/08—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using communication transmission lines
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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
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Computer Networks & Wireless Communication (AREA)
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Abstract
The invention discloses a kind of intelligent fire Internet of things system based on public cloud mainly includes：Cloud host, transport layer and raspberry pie, the cloud host carry out instruction operation and data feedback by transport layer and raspberry pie；It is connected with client and NFC electronic cyclic on the cloud host, is connected with realtime graphic module in client, sensor states module and logs in registration module at control interface module, and device status information module is connected on NFC electronic cyclic；It is connected with sensing layer and control layer in the raspberry pie, general camera module, near infrared camera module, smoke sensor device module, flame sensor module and temperature sensor module are connected on the sensing layer, is connected with relay module on control layer.The present invention utilizes near-infrared image Fire Detection Algorithm and newest raspberry pie embedded technology, realizes the fire detection of building depletion region, in real time monitoring and early warning, and the resource realized between system is shared with service, meets actual operation requirements.
Description
Technical field
The present invention relates to a kind of intelligent fire Internet of things system based on public cloud belongs to fire-fighting Internet of things system technology neck
Domain.
Background technique
Fire-fighting Internet of Things refers to through the technologies such as Internet of Things information sensing and communication, and fire fighting device is passed through socialization fire-fighting
Fire information needed for every element that supervision and management and public security organ's fire department fire fighting and rescue are related to is chained up, and building is high
The fire-fighting basic environment of sensitivity, realize in real time, dynamic, interaction, fusion fire information acquisition, transmitting and processing, can promote comprehensively
Implement social fire supervision and management level into raising government and associated mechanisms, significantly increases the fire extinguishing of public security organ's fire department
Commander, scheduling, decision and the disposing capacity of rescue.It include automatic alarm system, fire prevention in the main fire fighting device of interior of building
Door, electrical fire, fire escape etc., these fire fighting devices also have administration of the prevention and control object and control system double attribute simultaneously.
Currently, fire-fighting things system in the prior art can only a small range fire is detected, fire-fighting system establishes one's own system, self
Closing, the resource and service that can not achieve between system are shared, and fire-fighting equipment is in labor management state, and intelligence degree is low equal each
Problem of falling behind is planted, there are biggish security risks.It is solved for this reason, it may be necessary to design the new technical solution of one kind and give.
Summary of the invention
The present invention is exactly in view of the deficienciess of the prior art, utilize near-infrared image Fire Detection Algorithm and newest tree
The certain kind of berries sends embedded technology, realizes the fire detection of building depletion region, and by wirelessly carrying out data transmission, in real time
Monitoring and early warning, the resource and service between realization system are shared, meet actual operation requirements.
To solve the above problems, the technical solution used in the present invention is as follows：
A kind of intelligent fire Internet of things system based on public cloud mainly includes：Cloud host, transport layer and raspberry pie, institute
It states cloud host and instruction operation and data feedback is carried out by transport layer and the raspberry pie；
It is connected with client and NFC electronic cyclic on the cloud host, realtime graphic module is connected in the client,
Sensor states module, control interface module and logs in registration module, and equipment state letter is connected on the NFC electronic cyclic
Cease module；
It is connected with sensing layer and control layer in the raspberry pie, general camera module is connected on the sensing layer, it is close red
Outer camera model, smoke sensor device module, flame sensor module and temperature sensor module, be connected on the control layer after
Electrical appliance module.
As an improvement of the above technical solution, it is equipped with Tencent's cloud processor in the cloud host, is equipped in the raspberry pie
Host is controlled in raspberry pie, control host is directly connect with Tencent's cloud processor in the raspberry pie.
As an improvement of the above technical solution, it is controlled in the raspberry pie on host and is connected with various kinds of sensors module, it is close red
Outer camera module, relay control section fire fighting device module and relay controller spare interface module, and the tree
It is controlled in certain kind of berries group on host and is also circumscribed with power module.
As an improvement of the above technical solution, it is connected with page end and cell phone application on Tencent's cloud processor, it is described
Page end includes register interface, log-in interface and remotely controls observation interface, and the cell phone application includes register interface, logs in boundary
Face and observation interface is remotely controlled, and the long-range control observation interface on the page end and the long-range control prison in cell phone application
Interface is surveyed to connect with Tencent's cloud processor.
As an improvement of the above technical solution, the long-range control observation interface in the cell phone application also with controlled in raspberry pie
Host is connected and is controlled by host is controlled in raspberry pie.
Compared with prior art, implementation result of the invention is as follows by the present invention：
The present invention detects fire algorithm by the near-infrared image of research, realizes the real-time accurate detection of fire disaster flame, and
On this Research foundation, using newest Raspberry Pi embedded technology, a set of Intelligent internet of things fire report is developed
Alert system, and NFC tags are added on fire-fighting equipment, fire-fighting equipment is managed and maintained, user passes through the end Web or mobile phone
The mobile real-time Information in the end APP.
Core of the invention point：(1) the near-infrared image processing detection fire algorithm that the present invention researches and develops, detects fire model
Enclose big, fast response time, precision height, strong antijamming capability；(2) NFC electronic polling system of the present invention, sets instead of fire-fighting
Traditional inspection hand-kept mode is applied, to improve intelligence degree；(3) present invention is integrated near infrared from detecting fire and again
Point fire fighting device NFC electronic cyclic function, develops a whole set of intelligent fire Internet of things system, is applied to a variety of fire-fighting places, makes
Good fortune safety China.
Detailed description of the invention
Fig. 1 is the general frame structural schematic diagram of present system；
Fig. 2 is hardware structure structural schematic diagram of the present invention；
Fig. 3 is invention software architectural configurations schematic diagram；
Fig. 4 is raspberry pie hardware resource interface structure schematic diagram of the present invention；
Fig. 5 is near-infrared image Processing Algorithm flow chart of the present invention.
Specific embodiment
Illustrate the contents of the present invention below in conjunction with specific embodiments.
It as shown in Figures 1 to 5, is the intelligent fire Internet of things system structural schematic diagram of the present invention based on public cloud.
1, the master-plan of system
System architecture forms (as shown in Figure 1) by following five big system：
Administration of the prevention and control objective system mainly includes fire fighting device itself and target construction, in the main fire-fighting of interior of building
Facility includes automatic alarm system, fire resistant doorsets, electrical fire, fire escape etc., these fire fighting devices also have extinguishing pipe simultaneously
Manage object and control system double attribute.
Fire-fighting perception control system function is by fire-fighting Internet of Things user information transmitting device or module by perceptive object
Environmental information and fire fighting device object itself status information capture and be transferred to fire-fighting data center, complete data point
Analysis, processing, storage and processing, and interface is provided by the demand of different service objects.
O&M managing and control system includes operation and maintenance, management, regulation supervision and other management systems, and major function is to protect
The operation normal, stable, orderly under the constraint of relevant laws and regulations of fire-fighting platform of internet of things is demonstrate,proved, is provided well for market service
Basis.
Fire information service system is one of key link of Economic Benifits, is to provide the pipe of service to service object
Reason, custom system include social unit, fire department and public individual etc..
Custom system mainly includes controlling host during raspberry pie three generations B+ on hardware is used as, collect leading portion sensor and
The photo of near infrared camera shooting, and picture is handled with our algorithms of independent research, judge the condition of a disaster, is sent to number
According to library；All data storages and web services are realized on our Cloud Server.
(1.1) hardware design of system
The problems such as larger for conventional pictures data acquisition and monitoring limitation, near-infrared video image remote is devised,
Intelligentized transmission of monitoring system.
Design is divided into conventional sensors and near-infrared video picture signal acquires two parts using raspberry pie as core, temperature,
Smog and near-infrared video picture signal are completed to acquire by by raspberry pie, and carry out signal judgement, warning information by raspberry pie
It sends；The video image of acquisition executes image processing algorithm in raspberry pie, completes the preliminary judgement that fire whether occurs, and
The video of acquisition, image are transferred to client and cloud in real time by the preset communication protocol in its backstage, wherein raspberry pie
Hardware resource interface and peripheral hardware, with reference to as shown in Figure 4.
(1.2) software design of system
For real-time needed for hardware device receive monitoring data and send relevant operation order, using html5,
JavaEE designs the website combined with hardware facility, and webpage front-end realizes skill based on html5, using the frames such as CSS and JS
Several parts such as art introduction, product introduction, long-range monitoring, remote real_time control, from the background based on javaEE development technique；APP
Function is identical as web sites function, selects to use for user, website and APP function structure, with reference to as shown in Figure 3.
Near-infrared image Fire Detection Algorithm is as follows：Image luminosity L is for LWVD (Long Wavelength
Video-based EventDetection) algorithm and define, every background image intensity is equal to each standardization pixel
The sum of intensity, luminosity L has following outstanding feature for the measuring and calculating of the night vision video of acquisition：
1) for gallery, the sum of each picture element matrix point speed is calculated quickly, because increasing the exposure of CCD
Time, so the sum of the picture element matrix point of various ambient images can all tend to an average value in the picture of low luminosity.
2) luminosity L directly tracks excessively bright video frame, and the luminosity of successive video frames may be stored by intensive,
The region become clear in space in a period of time but do not flashed, this luminosity video frame meeting and ginseng are filtered and checked to signal processing
The video frame examined relatively decides whether to reduce from counter.
3) anti-interference ability is very strong, such as when someone is movable under camera detection range, personnel activity can't cause
There is the variation of too big background luminosity, so not will cause the wrong report of fire.
4) algorithm designs.LWVD algorithm is by current video frame luminosity L, reference video frame LbWith alarm value LthThree it
Between relationship:L > Lb+LthAlarm number is set when reaching.
It is all by calamity source using itself as individual luminaires (heat radiation that experiment, which shows any one event of fire substantially,
Body) so that the luminosity of entire background environment increases；It as far as possible can include whole with reference to 30 frames before luminosity selecting video file
The luminosity feature of a background；In order to reduce various interference in background luminosity, we used a kind of nonlinear expression
Formula：This is equivalent to the value of small threshold under entire background luminosity.
Persistently rest on L > Lb+LthIn the state of the case where be, such as flash of light or quickly false bright to distinguish
That flashes is reflective；If the light intensity of a frame is greater than Lb+LthIt will will increase alarm number, it is on the contrary then reduce, but alarm number will not be less than
0, alarm of then sounding when alarm number reaches boundary, this boundary is determined by the analysis of experimental data in later period, and detailed process refers to Fig. 5
It is shown.
(2.1) fire detection is tested
This system test is discharged with lighter respectively in different situations using flame sensor and smoke sensor device
When flame and smog, exception can be sensed and alarm of blowing a whistle in the case of short distance, the fire exit door and draft fan of system simulation
Also it can start immediately after obtaining information, after tested, in the case where interfering lesser situation, can almost reach 100% accuracy rate.This
Outside, user can also control household equipment by page end and cell phone application, and be delayed very little, can accomplish to control in time.
Using near infrared from detecting fire, above-mentioned flame and smoke sensor device detection fire the case where can accurately complete；
In addition, long-range detection fire also reflects that apart from three meters of distances of camera, lighter flame can be detected accurately very rapidly
It arrives, and issues alarm, other functions are same as above.
This system towards the market demand be the places fire detection such as family, factory, supermarket, the environment of general home interior
Single and interference source is few, therefore this system can adapt to the fire detection needs of family completely；The fire prevention point that family needs to pay attention to
And it is predominantly located at kitchen or other the place of fire source or gas occur, the area comparatively monitored is smaller, the biography of this system
Sensor information collection can satisfy detection needs completely, and the fire exit door of this system use and draft fan facility are also to have reached pre-
Phase requires, and can actually realize.
(2.2) long-range monitoring test
This system remote monitoring system is based on B/S framework, can be real as long as user accesses Cloud Server using browser
Now long-range monitoring；In addition, this system is that user devises independent cell phone application, user's real time remote is facilitated to manage family's fire-fighting
System, and monitor in real time.
It is a kind of based on near-infrared image processing fire detection skill the invention belongs to the innovation and application field of cloud computing technology
Art, using CCD camera (sensitive near infrared band) and 720nm near infrared filter, autonomous Design image processing algorithm can be with
Real-time detection scene alarms when environment point constant temperature, which increases, reaches alarm critical value, can effectively avoid fire
Generation；Raspberry pie and cloud host structure networked system are utilized simultaneously, monitoring information timely can be transmitted to monitor terminal,
Accomplish remote monitoring and control；The end APP and Web is devised, diversified monitor terminal facilitates user to receive warning information in time,
The effect of real-time display user's remote supervisory and control(ling) equipment.
Core of the invention point：1, independent research near-infrared image processing detection fire algorithm, detection fire range is big,
Fast response time, precision height, strong antijamming capability；2, NFC electronic polling system is designed, instead of fire fighting device tradition inspection
Hand-kept mode, to improve intelligence degree；3, the present invention is integrated near infrared from detecting fire and emphasis fire fighting device
NFC electronic cyclic function develops a whole set of intelligent fire Internet of things system, is applied to a variety of fire-fighting places, benefits safety China.
Note：This system is the project developed jointly with Internet of Things engineering technology Co., Ltd of Jiangsu Guoan, and utilization is novel
Near-infrared image Fire Detection Algorithm and newest raspberry pie embedded technology, realize the depletion region of building
Fire detection, and by wirelessly carrying out data transmission, nearly Infrared video image and detection result are transmitted to cloud and movement eventually
End carries out real time monitoring and early warning.In addition, this product has expanded emphasis fire fighting device NFC electronic polling system, the systematic substitution
Fire fighting device tradition inspection hand-kept mode significantly reduces fire-fighting equipment safety to improve intelligence degree
Risk.
The foregoing is a detailed description of the present invention in conjunction with specific embodiments, and it cannot be said that the present invention is specifically real
It applies and is only limitted to these explanations.For those skilled in the art to which the present invention belongs, before not departing from present inventive concept
It puts, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to the scope of protection of the invention.
Claims (5)
1. a kind of intelligent fire Internet of things system based on public cloud, it is characterised in that：Mainly include：Cloud host, transport layer and
Raspberry pie, the cloud host carry out instruction operation and data feedback by transport layer and the raspberry pie；
It is connected with client and NFC electronic cyclic on the cloud host, realtime graphic module is connected in the client, senses
Device block of state, control interface module and logs in registration module, is connected with device status information mould on the NFC electronic cyclic
Block；
It is connected with sensing layer and control layer in the raspberry pie, general camera module, near-infrared phase are connected on the sensing layer
Machine module, smoke sensor device module, flame sensor module and temperature sensor module are connected with relay on the control layer
Module.
2. the intelligent fire Internet of things system based on public cloud according to claim 1, it is characterised in that：In the cloud host
Equipped with Tencent's cloud processor, be equipped in raspberry pie in the raspberry pie and control host, in the raspberry pie control host directly with it is described
The connection of Tencent's cloud processor.
3. the intelligent fire Internet of things system based on public cloud according to claim 2, it is characterised in that：In the raspberry pie
Be connected with various kinds of sensors module on control host, near-infrared camera module, relay control section fire fighting device module and after
Electrical apparatus control equipment spare interface module, and controlled in the raspberry pie on host and be also circumscribed with power module.
4. the intelligent fire Internet of things system based on public cloud according to claim 2, it is characterised in that：The Tencent Yun Chu
Page end and cell phone application are connected on reason device, the page end includes register interface, log-in interface and long-range control monitoring circle
Face, the cell phone application include register interface, log-in interface and remotely control observation interface, and the long-range control on the page end
Long-range control observation interface on observation interface processed and cell phone application is connect with Tencent's cloud processor.
5. the intelligent fire Internet of things system based on public cloud according to claim 4, it is characterised in that：The cell phone application
On long-range control observation interface also in raspberry pie control host connect and by raspberry pie control host controlled.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111432037A (en) * | 2020-05-06 | 2020-07-17 | 衡阳师范学院 | Fire early warning system and method for firecracker warehouse based on Internet of things technology |
| CN111815497A (en) * | 2020-07-08 | 2020-10-23 | 重庆科技学院 | Sharing system based on fire control thing networking |
| CN113411359A (en) * | 2020-03-16 | 2021-09-17 | 成都秦川物联网科技股份有限公司 | Intelligent city off-network operation method and system adopting partitioned cloud platform |
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| CN113411359A (en) * | 2020-03-16 | 2021-09-17 | 成都秦川物联网科技股份有限公司 | Intelligent city off-network operation method and system adopting partitioned cloud platform |
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