CN106290099A - A kind of smoke prewarning device based on SVM - Google Patents
A kind of smoke prewarning device based on SVM Download PDFInfo
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- CN106290099A CN106290099A CN201610997168.3A CN201610997168A CN106290099A CN 106290099 A CN106290099 A CN 106290099A CN 201610997168 A CN201610997168 A CN 201610997168A CN 106290099 A CN106290099 A CN 106290099A
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- 239000000779 smoke Substances 0.000 title claims abstract description 59
- 239000000835 fiber Substances 0.000 claims abstract description 27
- 230000003287 optical effect Effects 0.000 claims abstract description 26
- 238000001514 detection method Methods 0.000 claims abstract description 17
- 238000005259 measurement Methods 0.000 claims abstract description 4
- 238000012937 correction Methods 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 13
- 238000012545 processing Methods 0.000 claims description 13
- 239000013307 optical fiber Substances 0.000 claims description 11
- 230000008569 process Effects 0.000 claims description 11
- 239000003595 mist Substances 0.000 claims description 9
- 235000019504 cigarettes Nutrition 0.000 claims description 8
- 230000008859 change Effects 0.000 claims description 7
- 238000011176 pooling Methods 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 238000005286 illumination Methods 0.000 claims description 3
- 230000005693 optoelectronics Effects 0.000 claims description 3
- 238000001069 Raman spectroscopy Methods 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 claims description 2
- 238000010304 firing Methods 0.000 claims description 2
- 230000003993 interaction Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract 1
- 238000013461 design Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 208000021063 Respiratory fume inhalation disease Diseases 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000012549 training Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
-
- 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
- G08B17/103—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device
- G08B17/107—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device for detecting light-scattering due to smoke
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
- G01N15/075—Investigating concentration of particle suspensions by optical means
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- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Biochemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Dispersion Chemistry (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fire-Detection Mechanisms (AREA)
Abstract
The invention provides a kind of smoke prewarning device and detection method thereof, described device includes sensor, smog pipeline, control unit, correcting circuit and alarm device；Sensor is Fibre Optical Sensor, it is provided with getter device to be sucked from flue entrance by smog in the lower end of pipeline shell, the smog flowed into enters multiple independent smoke path from flue entrance, the Fibre Optical Sensor being arranged in smoke path detects the smokescope in each flue, and be corrected obtaining accurate smokescope to its smog value measured by correcting circuit, correcting circuit has SVM computing module, the corrected value being corrected according to the input temperature of this module, humidity, the value output needs of installation's power source.This measurement device result is accurate, and can multimetering.
Description
Technical field
The smoke alarm unit of the present invention is applicable to Smoke Detection and early warning field, particularly to the cigarette of a kind of scene of fire
Mist early warning and warning.
Background technology
Smoke Detection and prior-warning device are mainly used in the fire safety aspect in the places such as factory, community, company, warehouse,
It, mainly for detection of smokescope in surrounding air, is issued by chimes of doom when smokescope reaches a certain specified intensity.Often
Smoke Detection and alarm device typically belong to fixing Smoke Detection, it is common that by sensor, smog pipeline, microprocessor and
Alarm device forms.Sensor inputs single-chip microcomputer after smoke signal being detected thus triggers alarming horn and report to the police, along with intelligence is built
The development built, smoke prewarning device becomes building constructions, industrial building, dress indispensable in the Architectural Equipment such as enterprise warehouse
Put, but, owing to the electrical equipment of mist detecting device can be due to the change of the humidity of site environment, temperature and supply voltage etc.
The accuracy changed and cause device to detect changes, thus causes the wrong report of smog early warning.
During using, the setting of Smoke Sensor is typically mounted on roof, and is powered by service cable
With transmission signal, but being arranged such sensor when smokescope increases, when temperature raises, its data measured cannot basis
The change of site environment and be corrected, meanwhile, the optics labyrinth of setting is during using, and the measurement of prior art is all
By measuring by being arranged on the optical sensing element pinpointed out behind smoke inhalation device inside, it is impossible to realize multiple spot and survey
Amount, one-point measurement can cause the uncertain increase of Smoke Sensor data.For having the smoke alarm unit of multimetering,
It is all to be provided with multiple Smoke Sensor part, causes design cost to increase, in process of production owing to employing multiple device
Due to the complexity in optics labyrinth, add the making complexity of this smoke prewarning device.
At present, to be all based on multiple smog of whole building pre-for smoke prewarning device application in intelligent building and improvement
Improvement in terms of systematization between alarm device, and data process, but, not yet realize smog early warning of the prior art is filled
Put self accuracy of detection and it designs and produces and improves.
Summary of the invention
For above not enough, it is an object of the invention to provide a kind of smoke prewarning device based on SVM, this device can
Increase the smoke prewarning device accuracy to Smoke Detection, provide smokescope to examine for personnel movable in fire or warehouse environment
The reference of measured value, it is possible to preferably ensure the safety of the related personnel at the scene of will entering.
To achieve these goals, the present invention is realized by following technical proposal:
A kind of smoke prewarning device, described device includes sensor, smog pipeline, control unit, correcting circuit and alarm device；
Described smog pipeline includes pipeline shell, is provided with getter device in the lower end of pipeline shell, and the upper end of pipeline shell sets
Being equipped with multiple flue entrance, the lower end of each flue entrance is provided with smoke path independently, and each independent smog leads to
The end in road connects with smog pooling zone, and lower end, smog pooling zone is provided with described getter device, and the lower end of getter device is cigarette
The outlet of mist pipeline；
Described sensor is Fibre Optical Sensor, and described optical fiber enters smog collect along described flue entrance, independent smoke path
The flue entrance of the independent smoke path that district's tailing edge is neighbouring passes the 3rd flue entrance of entrance, lays successively to last cigarette
Mist passage；
Described control unit includes Fibre Optical Sensor drive circuit, and Fibre Optical Sensor light path receives circuit, photoelectric switching circuit, and signal is filtered
Ripple amplifying circuit, processor circuit；
Described correcting circuit includes temperature sensor, humidity sensor, A/D change-over circuit, processing unit, and described A/D changes electricity
Road input connects the feeder ear of smoke prewarning device, measures the change of its power supply, temperature sensor, humidity sensor with
And the outfan of A/D sensor is connected to processing unit, the processing unit of described correcting circuit is electric with the processor of control unit
Communicate to connect between road；
Described alarm device is connected to the processor circuit of control unit, and the processor circuit of described controller unit is according to detection
Smog value send warning.
As optimizing further, described flue entrance is the entrance with right-angle bend, and this entrance is inverted funnel
Shape, entrance is narrower, exports wider, makes the smog speed of entrance smoke path slow down.
As optimizing further, described getter device is fan or air exhauster；
As optimizing further, described alarm device is buzzer and red LED, and described processor circuit is according to the cigarette of detection
Mistiness angle value difference sends different chimes of dooms；
As optimizing further, control unit processor circuit is that independent two process circuit with the processing unit of correction unit
Or use same process circuit；
A kind of smog method for early warning based on SVM, it is characterised in that alarming step is as follows:
1, control unit controls getter device work by the smog in environment from flue entrance suction, when getter device works,
Light is incident in optical fiber by the Fibre Optical Sensor drive circuit in control unit, occurs the light of scattering in a fiber after smog reflects
Return Fibre Optical Sensor light path and receive circuit, receive circuit and receive described incident illumination, and after opto-electronic conversion, send data to place
Reason device circuit；
2, correction unit reads the temperature value in environment by temperature sensor, reads the humidity in environment by humidity sensor
Value, and the power supply value of smoke prewarning device, the processor in correction unit is according to temperature value, humidity value, and power supply
Magnitude of voltage inputs to SVM computing module as eigenvalue, and SVM module output calibration value is to control unit；
3, control unit obtains flowing into the smokescope value of smoke path, detection according to the corrected value of input to smokescope correction
In same smoke path, the smog value of different depth obtains the smoke path in same flue after taking average, each cigarette that will obtain
Smog value in mist passage takes the smokescope value being all worth in environment, and repeats said process.
A kind of smoke prewarning device that the present invention provides, it is possible to the on-the-spot smog value arranging this smoke prewarning device is carried out
Measure, compared with prior art there is following beneficial effect:
1, described mist detecting device adds correcting circuit, improve the accuracy of Smoke Detection；
2, smog correcting circuit uses SVM computing module, and this module has self-learning function, according to result and the extraction of training
Eigenvalue export suitable correction data；
3, Fibre Optical Sensor is employed, it is possible to the smog value of the multiple some positions in detection flue, and to the multiple smog detected
Value eliminates random disturbances after taking average value processing；
4, the smoke flow entering flue is steady, measures accurately, and fiber sensor measuring is accurate, sensitive to smog change.
Accompanying drawing explanation
Fig. 1 is smoke prewarning device structure chart；
Fig. 2 is smog channel interior sectional view；
Fig. 3 is flue entrance enlarged drawing.
Detailed description of the invention
With detailed description of the invention, present disclosure is described in further details below in conjunction with the accompanying drawings.
A kind of smoke prewarning device, described device includes sensor 5, smog pipeline 2, control unit 1, correcting circuit 3 and
Alarm device 4；
Described smog pipeline includes pipeline shell, is provided with getter device 8 in the lower end of pipeline shell, and the upper end of pipeline shell sets
Being equipped with several flue entrances 6, the lower end of each flue entrance is provided with smoke path 7 independently, each independent cigarette
The end of mist passage connects 9 with smog pooling zone, and lower end, smog pooling zone is provided with described getter device 8, getter device 8 times
End is the outlet 10 of smog pipeline；
Described sensor is Fibre Optical Sensor 5, and described optical fiber enters smog converge along described flue entrance 6, independent smoke path 7
The flue entrance of the independent smoke path that collection district tailing edge is neighbouring passes the 3rd flue entrance of entrance, lays successively to last
Smoke path 7；
Described control unit 1 includes Fibre Optical Sensor drive circuit, and Fibre Optical Sensor light path receives circuit, photoelectric switching circuit, signal
Filter amplification circuit, processor circuit, during measuring, it is incident that control unit 1 launches pulsed light according to certain repetition rate
To sensor fibre, laser pulse and optical fiber interaction of molecules producing backward Raman scattering effect, one longer than optical source wavelength
Stokes light and an anti-Stokes light shorter than optical source wavelength return to control unit 1 along sensor fibre firing backward,
In sensor fibre the anti-Stokes optical signal of any point and the ratio of Stokes light signal strength, can be obtained this
The smokescope of point.And the space length of temperature-sensitive point, it is possible to use optical time domain reflection technology is by the biography of light wave in temperature sensing optical fiber
The time of return of defeated speed and back reflected laser is prepared calculating；
Described correcting circuit 3 includes temperature sensor, humidity sensor, A/D change-over circuit, processing unit, and described A/D changes electricity
Road input connects the feeder ear of smoke prewarning device, measures the change of its power supply, temperature sensor, humidity sensor with
And the outfan of A/D sensor is connected to processing unit, the processing unit of described correcting circuit is electric with the processor of control unit
Communicate to connect between road；
Described alarm device 4 is connected to the processor circuit of control unit, and the processor circuit of described controller unit is according to inspection
The smog value surveyed sends warning.
Flue entrance is the entrance with right-angle bend, and this entrance is inverted funnel-form, and entrance is narrower, and outlet is relatively
Width, makes the smog speed of entrance smoke path slow down.
Described getter device is fan or air exhauster；
Described alarm device is buzzer and red LED, and described processor circuit is sent out according to the smokescope value difference of detection
Go out different chimes of dooms；
Control unit processor circuit is that independent two process circuit or use same process with the processing unit of correction unit
Circuit；
The work process of this smoke prewarning device is as follows:
1, control unit controls getter device work by the smog in environment from flue entrance suction, when getter device works,
Light is incident in optical fiber by the Fibre Optical Sensor drive circuit in control unit, occurs the light of scattering in a fiber after smog reflects
Return Fibre Optical Sensor light path and receive circuit, receive circuit and receive described incident illumination, and after opto-electronic conversion, send data to place
Reason device circuit；
2, correction unit reads the temperature value in environment by temperature sensor, reads the humidity in environment by humidity sensor
Value, and the power supply value of smoke prewarning device, the processor in correction unit is according to temperature value, humidity value, and power supply
Magnitude of voltage inputs to SVM computing module as eigenvalue, and SVM module output calibration value is to control unit；
3, control unit obtains the smokescope value flowed into according to the corrected value of input to smokescope correction, and repeats above-mentioned mistake
Journey.
Above-described embodiment is simply to illustrate that the technology design of the present invention and feature, and its objective is to be to allow in this area is common
Technical staff will appreciate that present disclosure and implements according to this, can not limit the scope of the invention with this.Every
The equivalent change made according to the essence of present invention or modification, all should contain within the scope of the present invention.
Claims (6)
1. a smoke prewarning device, described device includes sensor, smog pipeline, control unit, correcting circuit and warning dress
Put；
Described smog pipeline includes pipeline shell, is provided with getter device in the lower end of pipeline shell, and the upper end of pipeline shell sets
Being equipped with multiple flue entrance, the lower end of each flue entrance is provided with smoke path independently, and each independent smog leads to
The end in road connects with smog pooling zone, and lower end, smog pooling zone is provided with described getter device；
Described sensor is Fibre Optical Sensor, and described optical fiber enters smog collect along described flue entrance, independent smoke path
The flue entrance of the independent smoke path that district's tailing edge is neighbouring passes the 3rd flue entrance of entrance, lays successively to last cigarette
Mist passage；
Described control unit includes Fibre Optical Sensor drive circuit, and Fibre Optical Sensor light path receives circuit, photoelectric switching circuit, and signal is filtered
Ripple amplifying circuit, processor circuit, during measuring, control unit is launched pulsed light according to certain repetition rate and is incided biography
Photosensitive fibre, is produced backward Raman scattering effect by laser pulse and optical fiber interaction of molecules, one than optical source wavelength long this
Lentor light and an anti-Stokes light shorter than optical source wavelength return to control unit along sensor fibre firing backward, from sensing
In optical fiber in the anti-Stokes optical signal of any point and the ratio of Stokes light signal strength, the smog obtaining this point is dense
Degree, and the sky of each measurement of concetration point is calculated by the transmission speed of light wave in temperature sensing optical fiber and the time of return of back reflected laser
Spacing；
Described correcting circuit includes temperature sensor, humidity sensor, A/D change-over circuit, processing unit, and described A/D changes electricity
Road input connects the feeder ear of smoke prewarning device, measures the change of its power supply, temperature sensor, humidity sensor with
And the outfan of A/D sensor is connected to processing unit, the processing unit of described correcting circuit is electric with the processor of control unit
Communicate to connect between road；
Described alarm device is connected to the processor circuit of control unit, and the processor circuit of described controller unit is according to detection
Smog value send warning.
A kind of smoke prewarning device the most according to claim 1, described flue entrance is the entrance with right-angle bend, and
This entrance is inverted funnel-form, and entrance is narrower, exports wider, makes the smog speed of entrance smoke path slow down.
A kind of smoke prewarning device the most according to claim 2, described getter device is fan or air exhauster.
A kind of smoke prewarning device the most according to claim 3, described alarm device is buzzer and red LED, institute
State processor circuit and send different chimes of dooms according to the smokescope value difference of detection.
5. according to a kind of smoke prewarning device one of claim 1-4 Suo Shu, control unit processor circuit and correction unit
Processing unit be that independent two process circuit or use same process circuit.
6. a smog method for early warning based on SVM, it is characterised in that there is the smog early warning dress that one of claim 1-5 is described
Putting, its warning step is as follows:
A, control unit control getter device work and are sucked from flue entrance by the smog in environment, when getter device works,
Light is incident in optical fiber by the Fibre Optical Sensor drive circuit in control unit, occurs the light of scattering in a fiber after smog reflects
Return Fibre Optical Sensor light path and receive circuit, receive circuit and receive described incident illumination, and after opto-electronic conversion, send data to place
Reason device circuit；
B, correction unit read the temperature value in environment by temperature sensor, read the humidity in environment by humidity sensor
Value, and the power supply value of smoke prewarning device, the processor in correction unit is according to temperature value, humidity value, and power supply
Magnitude of voltage inputs to SVM computing module as eigenvalue, and SVM module output calibration value is to control unit；
C, control unit obtain flowing into the smokescope value of smoke path, detection according to the corrected value of input to smokescope correction
In same smoke path, the smog value of different depth obtains the smoke path in same flue after taking average, each cigarette that will obtain
Smog value in mist passage takes the smokescope value being all worth in environment, and repeats said process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610997168.3A CN106290099A (en) | 2016-11-14 | 2016-11-14 | A kind of smoke prewarning device based on SVM |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610997168.3A CN106290099A (en) | 2016-11-14 | 2016-11-14 | A kind of smoke prewarning device based on SVM |
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| CN201610997168.3A Pending CN106290099A (en) | 2016-11-14 | 2016-11-14 | A kind of smoke prewarning device based on SVM |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109001088A (en) * | 2018-05-30 | 2018-12-14 | 绵阳涪泽恩达科技有限公司 | Vertical layout osmosis type kitchen special photoelectric smoke detector |
| CN109816924A (en) * | 2019-03-19 | 2019-05-28 | 安徽中熹安全科技有限公司 | A kind of correlation smoke sensor device |
| CN115624704A (en) * | 2022-12-12 | 2023-01-20 | 广东广宇科技发展有限公司 | Fire fighting condition detection device and detection method |
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2016
- 2016-11-14 CN CN201610997168.3A patent/CN106290099A/en active Pending
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109001088A (en) * | 2018-05-30 | 2018-12-14 | 绵阳涪泽恩达科技有限公司 | Vertical layout osmosis type kitchen special photoelectric smoke detector |
| CN109001088B (en) * | 2018-05-30 | 2019-07-02 | 绵阳涪泽恩达科技有限公司 | Vertical layout osmosis type kitchen special photoelectric smoke detector |
| CN109816924A (en) * | 2019-03-19 | 2019-05-28 | 安徽中熹安全科技有限公司 | A kind of correlation smoke sensor device |
| CN109816924B (en) * | 2019-03-19 | 2024-03-22 | 浙江东方职业技术学院 | Correlation formula smoke transducer |
| CN115624704A (en) * | 2022-12-12 | 2023-01-20 | 广东广宇科技发展有限公司 | Fire fighting condition detection device and detection method |
| CN115624704B (en) * | 2022-12-12 | 2023-03-07 | 广东广宇科技发展有限公司 | Fire fighting condition detection device and detection method |
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Application publication date: 20170104 |