CN107170182A - A kind of fire detecting method, device and equipment - Google Patents
A kind of fire detecting method, device and equipment Download PDFInfo
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- CN107170182A CN107170182A CN201710454664.9A CN201710454664A CN107170182A CN 107170182 A CN107170182 A CN 107170182A CN 201710454664 A CN201710454664 A CN 201710454664A CN 107170182 A CN107170182 A CN 107170182A
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- 238000000034 method Methods 0.000 title claims abstract description 38
- 239000002245 particle Substances 0.000 claims abstract description 191
- 230000008859 change Effects 0.000 claims abstract description 58
- 238000012544 monitoring process Methods 0.000 claims abstract description 27
- 239000008187 granular material Substances 0.000 claims abstract description 7
- 238000001514 detection method Methods 0.000 claims description 34
- 238000004590 computer program Methods 0.000 claims description 21
- 238000009434 installation Methods 0.000 claims description 16
- 238000003860 storage Methods 0.000 claims description 7
- 108010001267 Protein Subunits Proteins 0.000 claims description 6
- 239000000779 smoke Substances 0.000 claims description 6
- 239000000428 dust Substances 0.000 claims description 5
- 239000003595 mist Substances 0.000 claims description 5
- 239000006185 dispersion Substances 0.000 claims description 4
- 238000005259 measurement Methods 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 4
- 230000006870 function Effects 0.000 description 11
- 238000010586 diagram Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 6
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 230000004069 differentiation Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 241000894007 species Species 0.000 description 2
- 241000255925 Diptera Species 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004422 calculation algorithm Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000004549 pulsed laser deposition Methods 0.000 description 1
- 238000010010 raising Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000009423 ventilation Methods 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
- 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
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
- G08B29/18—Prevention or correction of operating errors
- G08B29/185—Signal analysis techniques for reducing or preventing false alarms or for enhancing the reliability of the system
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- General Physics & Mathematics (AREA)
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- Fire-Detection Mechanisms (AREA)
Abstract
The invention provides a kind of fire detecting method, including：The image of the light beam in darkroom is obtained by camera, the light beam is launched by the light source in darkroom to be formed；According to default characteristics of image and the corresponding relation of particle, the change in concentration feature of particle that the image of the light beam includes and particle is obtained；According to the combination of the variation characteristic of the concentration of default particle and the corresponding relation of fire incident, fire monitoring early warning is carried out to site environment.Fire is monitored by the combination of the variation characteristic of granule density, fire incident can be found faster, and is conducive to improving the accuracy rate of fire monitoring.
Description
Technical field
The invention belongs to detection field, more particularly to a kind of fire detecting method, device and equipment.
Background technology
During fire detector is fire automatic alarm system, scene is detected, the equipment of discovery fire.Fire
Detector is according to the feature physical quantity of fire, and such as temperature, smog, gas and radiation light intensity are converted into electric signal, and move immediately
Make to send alarm signal to fire alarm control unit.
Current fire detector, it is right generally by temperature sensing sensor, sense smoke sensor or special gas sensor
The progress of site environment parameter is analyzed, so as to judge whether fire exception occur.When use feeling smoke sensor carries out detection
When, such as launch infrared beam using infrared detector, infrared beam receiver receives the radiation flux of the infrared beam,
When there is fire, smog aerosol is diffused into infrared beam so that the emittance for the infrared beam that receiver is received
Decay, so as to timely find fire incident.
But, when carrying out detection, it is possible that the receiver in foggy weather influence fire detector is connect
The change of the luminous flux of receipts, influences the accuracy rate and promptness of detector, easily causes false alarm.
The content of the invention
In view of this, the embodiments of the invention provide a kind of fire detecting method, device and equipment, to solve prior art
During middle progress detection, the problem of the accuracy rate and not high promptness of detector.
The first aspect of the embodiment of the present invention provides a kind of fire detecting method, and the fire detecting method includes：
The image of the light beam in darkroom is obtained by camera, the light beam is launched by the light source in darkroom to be formed；
According to default characteristics of image and the corresponding relation of particle, obtain particle that the image of the light beam includes and
The change in concentration feature of particle；
According to the combination of the variation characteristic of the concentration of default particle and the corresponding relation of fire incident, site environment is entered
Row fire monitoring early warning.
With reference in a first aspect, in the first possible implementation of first aspect, the change of the concentration of the particle is special
The combination levied includes the variation characteristic of the concentration of two or more particle, when the variation characteristic of the concentration of the particle
Combine include two kinds of particles concentration variation characteristic when, the combination of the variation characteristic of the concentration according to default particle and
The corresponding relation of fire incident, the step of carrying out fire monitoring early warning to site environment includes：
Judge whether the pace of change of the concentration of the first particle is more than the corresponding First Speed threshold value of the first particle, Yi Ji
Whether the pace of change of the concentration of two particles is more than the corresponding second speed threshold value of the second particle；
When the pace of change of the concentration of the first particle is more than First Speed threshold value, and the pace of change of the concentration of the second particle
More than second speed threshold value, according to default corresponding relation, there is fire in detection current environment.
With reference to the first possible implementation of first aspect, in second of possible implementation of first aspect, institute
It is any two kinds in steam particle, dust granules, smoke particle, oil mist particles to state the first particle and second particle.
With reference in a first aspect, in the third possible implementation of first aspect, described according to default particle
The combination of the variation characteristic of concentration and the corresponding relation of fire incident, to site environment carry out fire monitoring early warning the step of it
Before, methods described also includes：
Obtain the ambient parameter of the installation scenario of fire detector；
Corresponding statistics is searched according to the ambient parameter, the fire detector is obtained according to the statistics
Installation scenario in particle concentration variation characteristic combination and the corresponding relation of fire incident.
Second of possible realization side of the first possible implementation, first aspect with reference to first aspect, first aspect
The third possible implementation of formula or first aspect, in the 4th kind of possible implementation of first aspect, the basis is pre-
If characteristics of image and particle corresponding relation, obtain the change in concentration of particle that the image of the light beam includes and particle
The step of feature, includes：
According to characteristics of image set in advance and particle corresponding relation, particle and particle that identification described image includes
Quantity, described image feature includes intensity, projection properties, Euler's numbers, complexity, texture energy feature, the shape of dispersion image
One or more in shape feature；
Particle and the concentration of particle that continuous measurement described image includes, obtain the change of the concentration corresponding to particle
Speed.
The second aspect of the embodiment of the present invention provides a kind of fire detecting arrangement, and the fire detecting arrangement includes：
Image acquisition unit, the image for obtaining the light beam in darkroom by camera, the light beam is in darkroom
Light source launch to be formed；
Variation characteristic acquiring unit, for the corresponding relation according to default characteristics of image and particle, obtains the light beam
The particle that includes of image and particle change in concentration feature；
Monitoring and warning unit, the combination for the variation characteristic of the concentration according to default particle is corresponding with fire incident
Relation, fire monitoring early warning is carried out to site environment.
With reference to second aspect, in the first possible implementation of second aspect, the change of the concentration of the particle is special
The combination levied includes the variation characteristic of the concentration of two or more particle, when the variation characteristic of the concentration of the particle
When combining the variation characteristic for the concentration for including two kinds of particles, the monitoring and warning unit includes：
Judgment sub-unit, for judging whether the pace of change of concentration of the first particle is more than the first particle corresponding first
Whether threshold speed, and the pace of change of the concentration of the second particle are more than the corresponding second speed threshold value of the second particle；
Detection sub-unit, the pace of change for the concentration when the first particle is more than First Speed threshold value, and the second particle
The pace of change of concentration be more than second speed threshold value, according to default corresponding relation, there is fire in detection current environment.
With reference to second aspect, in second of possible implementation of second aspect, described device also includes：
Ambient parameter acquiring unit, the ambient parameter of the installation scenario for obtaining fire detector；；
Threshold value searching unit, for searching corresponding statistics according to the ambient parameter, according to the statistics
The combination for obtaining the variation characteristic of the concentration of particle in the installation scenario of the fire detector corresponding with fire incident is closed
System.
The third aspect of the embodiment of the present invention provides a kind of fire detection equipment, including：Including memory, processor with
And it is stored in the computer program that can be run in the memory and on the processor, it is characterised in that the processor
Realized when performing the computer program as described in any one of first aspect the step of fire detecting method.
The fourth aspect of the embodiment of the present invention provides a kind of computer-readable recording medium, the computer-readable storage
Media storage has computer program, and the fire as described in any one of first aspect is realized when the computer program is executed by processor
The step of detection method.
The beneficial effect that the embodiment of the present invention exists compared with prior art is：Light in darkroom is obtained by camera
The image of the light beam of source transmitting, and the characteristics of image included according to image, obtain the particle in image and the change spy of concentration
Levy, according to the combination of the change in concentration feature of default particle and the corresponding relation of fire incident, fire is carried out to site environment
Monitoring.Because the combination of the variation characteristic by granule density is monitored, so as to find fire incident faster, and
Be conducive to improving the accuracy rate of fire monitoring.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
In required for the accompanying drawing that uses be briefly described, it should be apparent that, drawings in the following description are only some of the present invention
Embodiment, for those of ordinary skill in the art, without having to pay creative labor, can also be according to these
Accompanying drawing obtains other accompanying drawings.
Fig. 1 is the structure setting schematic diagram of fire detector provided in an embodiment of the present invention；
Fig. 2 is the implementation process schematic diagram of fire detecting method provided in an embodiment of the present invention；
Fig. 3 is the interaction flow schematic diagram of fire detecting method provided in an embodiment of the present invention；
Fig. 4 is the schematic diagram of fire detecting arrangement provided in an embodiment of the present invention；
Fig. 5 is the schematic diagram of fire detection equipment provided in an embodiment of the present invention.
Embodiment
In describing below, in order to illustrate rather than in order to limit, it is proposed that such as tool of particular system structure, technology etc
Body details, thoroughly to understand the embodiment of the present invention.However, it will be clear to one skilled in the art that there is no these specific
The present invention can also be realized in the other embodiments of details.In other situations, omit to well-known system, device, electricity
Road and the detailed description of method, in case unnecessary details hinders description of the invention.
In order to illustrate technical solutions according to the invention, illustrated below by specific embodiment.
It is as shown in Figure 1 the structure simplified diagram of the fire detector described in the embodiment of the present invention, shown in Fig. 1
Fire detector, including darkroom 11, and light source 12, the camera 13 being arranged in darkroom, wherein, the darkroom 11 can be with
It is set to the light-shielding structure of ventilation on all sides so that noise light can not enter darkroom, and can also set filter screen, it is to avoid mosquito
Worm is entered in darkroom.
Light source 12 in the darkroom can be arranged on same plane, and the outgoing of light source 12 with the camera 13
Direction, can be at a certain angle with the camera 13, such as less than 90 degree of angle, so that camera 13 can be adopted
Collect the image that the particle in the space irradiated by light source is scattered.The camera 13 is collected after image, and image is sent out
Processor is given, the particle and its quantity in image are identified by processor, and according to the change information of particle, to scene
Environment carries out fire alarm, specifically as shown in Fig. 2 in fig. 2, the fire detecting method includes：
In step s 201, the image of the light beam in darkroom is obtained by camera, the light beam is by the light in darkroom
Launch to be formed in source.
Specifically, the camera can be that (English full name is Charge-coupled Device to CCD, and Chinese full name is
Photoelectric coupling unit for promoting inhibition) camera.In order to obtain more accurate image, it is necessary to carry out image using the higher camera of resolution ratio
Collection.The average value of the size of particle that can be in fire scenario is foundation, in acquired image, and the size of particle exists
Pixel value in image is more than predetermined pixel, such as at least includes 100 pixels etc..
The cycle of described image is obtained, can preset a longer cycle is detected, and detecting
State after the numerical value in image changes, detection cycle is adjusted according to the size of changing value, such as pace of change is First Speed
Value, using the first detection cycle corresponding with First Speed, when pace of change is second speed value, using corresponding to second speed
Detection cycle, pace of change is faster, then using shorter detection cycle, enabling while power saving, institute is detected in time
The data needed, find the abnormal conditions of fire incident in time.
Also, the light source can also select the corresponding working time, i.e., according to detection cycle：According to the inspection of camera
Time point is surveyed, determines that (preset time range includes the detection time to the corresponding preset time range of the test point
Point), light source is opened in the time range, so that the working time of light source is synchronous with the working time of camera, is protected
While card image is effectively gathered, the energy expenditure of light source is reduced.
In step S202, according to default characteristics of image and the corresponding relation of particle, in the image for obtaining the light beam
Including particle and particle change in concentration feature.
Specifically, described image feature, can the intensity including dispersion image, projection properties, Euler's numbers, complexity, line
Manage the one or more in energy feature, shape facility.
Wherein, the corresponding relation of characteristics of image and particle, can be obtained by the experimental data of statistics.Such as, Ke Yishe
(under experiment scene) is scheduled under specific scene, the characteristics of image of the particle of smog is only included, or only includes the image of dust
Feature, either only includes the characteristics of image of mist of oil or only includes the characteristics of image of steam particle.By many experiments, obtain
The combination of feature corresponding to different particles.It is, of course, also possible to the neutral net of each combinations of features and particle type is set up,
By the study of neutral net, particle and the corresponding relation of feature are obtained.
After the particle that described image includes is got, it can be calculated accordingly according to the number of the quantity of particle
To the concentration of particle.In addition, the concentration to particle is counted, you can obtain the change in concentration feature of particle, the concentration becomes
The direction that concentration changes, the size that concentration changes etc. can be included by changing feature.Therefore, it is described according to default characteristics of image with
The step of corresponding relation of grain, change in concentration feature for obtaining particle that the image of the light beam includes and particle, includes：
According to characteristics of image set in advance and particle corresponding relation, particle and particle that identification described image includes
Quantity, described image feature includes intensity, projection properties, Euler's numbers, complexity, texture energy feature, the shape of dispersion image
One or more in shape feature；
Particle and the concentration of particle that continuous measurement described image includes, obtain the change of the concentration corresponding to particle
The pace of change of concentration in feature.
The pace of change of the concentration of a variety of particles can be set up accordingly according to the particle recognized in image.When having two
, can be according to the variation characteristic of the concentration of the two kinds of particles of change, the i.e. change including concentration when the concentration of kind of particle changes
Change speed, search whether corresponding status information.
When the concentration of more than two particles changes, the concentration of two kinds or two or more particles can be selected
Variation characteristic constitutes the combination of the variation characteristic of concentration, according to the combination of the variation characteristic of concentration, searches corresponding status information.
In addition, when the quantity for the particle that image includes is more, the variation characteristic of the concentration of a variety of particles can be included
Combination, for the degree of accuracy of Optimal State information, the combination to the variation characteristic of the concentration of the particle is ranked up, by excellent
First level is inquired about successively.Such as, the priority of the combination of the pace of change of the more concentration of species can be set less higher than species
Concentration pace of change combination.
In step S203, closed according to the combination of the variation characteristic of the concentration of default particle is corresponding with fire incident
System, fire monitoring early warning is carried out to site environment.
Pre-establish in the combination of the variation characteristic of the concentration of particle and the corresponding relation of fire incident, the corresponding relation
Particle concentration variation characteristic combination in, can include by two kinds of particles concentration variation characteristic combination, also may be used
With including the combination by three kinds or the variation characteristic of the concentration of more than three kinds of particle.
When the variation characteristic for the concentration that the variation characteristic combination of the concentration of the particle includes two kinds of particles, described
Combination and the corresponding relation of fire incident according to the variation characteristic of the concentration of default particle, fire monitoring is carried out to site environment
The step of early warning, includes：
Judge whether the pace of change of the concentration of the first particle is more than the corresponding First Speed threshold value of the first particle, Yi Ji
Whether the pace of change of the concentration of two particles is more than the corresponding second speed threshold value of the second particle；
When the pace of change of the concentration of the first particle is more than First Speed threshold value, and the pace of change of the concentration of the second particle
More than second speed threshold value, according to default corresponding relation, there is fire in detection current environment.
Wherein, the pace of change of the concentration, can include increased speed, or the speed including reduction.Described
One particle and the second particle, can be any two kinds in steam particle, dust granules, smoke particle, oil mist particles.Also,
The steam particle, dust granules, smoke particle, oil mist particles, in different combinations, corresponding threshold speed may also
Difference, can be according to specific fire incident, and counts and obtain in the combination of the variation characteristic of the concentration of different particles, no
Also differed with the threshold speed corresponding to particle.Such as, for combination A in, the First Speed threshold corresponding to the first particle
It is worth for X1, in combination B, the First Speed threshold value corresponding to the first particle may be X2.
The image for the light beam that the light source in darkroom is launched, and the image spy included according to image are obtained by camera
Levy, the particle in image and the variation characteristic of concentration are obtained, according to the combination of the change in concentration feature of default particle and fire
The corresponding relation of accident, fire hazard monitoring is carried out to site environment.Because the combination of the variation characteristic by granule density is to fire
It is monitored, so as to find fire incident faster, improves the accuracy rate of fire monitoring.
Fig. 3 is the another implementation process schematic diagram of fire detecting method provided in an embodiment of the present invention, and details are as follows：
In step S301, the image of the light beam in darkroom is obtained by camera, the light beam is by the light in darkroom
Launch to be formed in source.
In step s 302, according to default characteristics of image and the corresponding relation of particle, in the image for obtaining the light beam
Including particle and particle change in concentration feature.
Step S301-S302 and step S201-S202 in Fig. 2 is essentially identical.
In step S303, the ambient parameter of the installation scenario of fire detector is obtained.
Specifically, the ambient parameter can include the weather of installation scenario, Changes in weather feature or other may draw
Play the factor that the particle in air changes.For two installation scenarios of ambient parameter identical, identical pair can be selected
Should be related to, i.e., from identical particle concentration variation characteristic combination and the corresponding relation of fire incident.
In step s 304, corresponding statistics is searched according to the ambient parameter, obtained according to the statistics
The combination of the variation characteristic of the concentration of particle in the installation scenario of the fire detector and the corresponding relation of fire incident.
Differentiation differentiation is carried out by the installation scenario to fire detector, and for different installation scenarios, passed through
Statistics, can obtain the variation characteristic of the concentration of more sensitive particle, ignore because scene is non-caused by mutually in itself
The variation characteristic of the concentration of the particle of fire incident, the degree of accuracy detected to fire incident is improved so as to further.
Such as, in the first scene, in the combination of the variation characteristic of the concentration where the first particle, the first corresponding speed
Degree threshold value is X1, in the second scene, in the combination of the variation characteristic of the concentration where the first particle, corresponding First Speed
Threshold value is X2, and X1 may be unequal with X2.
In step S305, closed according to the combination of the variation characteristic of the concentration of default particle is corresponding with fire incident
System, fire monitoring early warning is carried out to site environment.
Fig. 3 is the embodiment further optimized on the basis of Fig. 2, by by the installation scenario of fire detector
Ambient parameter is set out, and its corresponding corresponding relation is selected, so that the degree of accuracy energy for the accident that fire detector is detected
Enough further raisings.
It should be understood that the size of the sequence number of each step is not meant to the priority of execution sequence, each process in above-described embodiment
Execution sequence should determine that the implementation process without tackling the embodiment of the present invention constitutes any limit with its function and internal logic
It is fixed.
Fig. 4 realizes structural representation for a kind of fire detecting arrangement provided in an embodiment of the present invention, and details are as follows：
Fire detecting arrangement described in the embodiment of the present invention, including：
Image acquisition unit 401, the image for obtaining the light beam in darkroom by camera, the light beam is by darkroom
In light source launch to be formed；
Variation characteristic acquiring unit 402, for the corresponding relation according to default characteristics of image and particle, obtains the light
Particle and the change in concentration feature of particle that the image of beam includes；
Monitoring and warning unit 403, combination and fire incident for the variation characteristic of the concentration according to default particle
Corresponding relation, fire monitoring early warning is carried out to site environment.
It is preferred that, the combination of the variation characteristic of the concentration of the particle includes the concentration of two or more particle
Variation characteristic, it is described when the variation characteristic for the concentration that the combination of the variation characteristic of the concentration of the particle includes two kinds of particles
Monitoring and warning unit includes：
Judgment sub-unit, for judging whether the pace of change of concentration of the first particle is more than the first particle corresponding first
Whether threshold speed, and the pace of change of the concentration of the second particle are more than the corresponding second speed threshold value of the second particle；
Detection sub-unit, the pace of change for the concentration when the first particle is more than First Speed threshold value, and the second particle
The pace of change of concentration be more than second speed threshold value, according to default corresponding relation, there is fire in detection current environment.
It is preferred that, described device also includes：
Ambient parameter acquiring unit, the ambient parameter of the installation scenario for obtaining fire detector；
Threshold value searching unit, for searching corresponding statistics according to the ambient parameter, according to the statistics
The combination for obtaining the variation characteristic of the concentration of particle in the installation scenario of the fire detector corresponding with fire incident is closed
System.
The fire detecting arrangement is corresponding with fire detecting method described in Fig. 2-3, does not make excessive repeated description herein.
Fig. 5 is the schematic diagram for the fire detection equipment that one embodiment of the invention is provided.As shown in figure 5, the fire of the embodiment
Calamity detecting devices 5 includes：Processor 50, memory 51 and it is stored in the memory 51 and can be in the processor 50
The computer program 52 of upper operation, the program of such as fire detecting method.The processor 50 performs the computer program 52
Step in each above-mentioned fire detecting method embodiment of Shi Shixian, such as step 201 shown in Fig. 1 to 203.Or, it is described
Processor 50 realizes the function of each module/unit in above-mentioned each device embodiment, such as Fig. 5 when performing the computer program 52
The function of shown module 401 to 403.
Exemplary, the computer program 52 can be divided into one or more module/units, it is one or
Multiple module/units are stored in the memory 51, and are performed by the processor 50, to complete the present invention.Described one
Individual or multiple module/units can complete the series of computation machine programmed instruction section of specific function, and the instruction segment is used for
Implementation procedure of the computer program 52 in the fire detection equipment 5 is described.For example, the computer program 52 can
To be divided into image acquisition unit, variation characteristic acquiring unit and monitoring and warning unit, each unit concrete function is as follows：
Image acquisition unit, the image for obtaining the light beam in darkroom by camera, the light beam is in darkroom
Light source launch to be formed；
Variation characteristic acquiring unit, for the corresponding relation according to default characteristics of image and particle, obtains the light beam
The particle that includes of image and particle change in concentration feature；
Monitoring and warning unit, the combination for the variation characteristic of the concentration according to default particle is corresponding with fire incident
Relation, fire monitoring early warning is carried out to site environment.
The fire detection equipment 5 can be that desktop PC, notebook, palm PC and cloud server etc. are calculated
Equipment.The fire detection equipment may include, but be not limited only to, processor 50, memory 51.Those skilled in the art can manage
Solution, Fig. 5 is only the example of fire detection equipment 5, does not constitute the restriction to fire detection equipment 5, can be included than diagram
More or less parts, either combine some parts or different parts, such as described fire detection equipment can also be wrapped
Include input-output equipment, network access equipment, bus etc..
Alleged processor 50 can be CPU (Central Processing Unit, CPU), can also be
Other general processors, digital signal processor (Digital Signal Processor, DSP), application specific integrated circuit
(Application Specific Integrated Circuit, ASIC), ready-made programmable gate array (Field-
Programmable Gate Array, FPGA) or other PLDs, discrete gate or transistor logic,
Discrete hardware components etc..General processor can be microprocessor or the processor can also be any conventional processor
Deng.
The memory 51 can be the internal storage unit of the fire detection equipment 5, such as fire detection equipment 5
Hard disk or internal memory.The memory 51 can also be the External memory equipment of the fire detection equipment 5, such as described fire is visited
The plug-in type hard disk being equipped with measurement equipment 5, intelligent memory card (Smart Media Card, SMC), secure digital (Secure
Digital, SD) card, flash card (Flash Card) etc..Further, the memory 51 can also both include the fire
The internal storage unit of detecting devices 5 also includes External memory equipment.The memory 51 is used to store the computer program
And other programs and data needed for the fire detection equipment.The memory 51 can be also used for temporarily storing
Output or the data that will be exported.
It is apparent to those skilled in the art that, for convenience of description and succinctly, only with above-mentioned each work(
Energy unit, the division progress of module are for example, in practical application, as needed can distribute above-mentioned functions by different
Functional unit, module are completed, i.e., the internal structure of described device is divided into different functional unit or module, more than completion
The all or part of function of description.Each functional unit, module in embodiment can be integrated in a processing unit, also may be used
To be that unit is individually physically present, can also two or more units it is integrated in a unit, it is above-mentioned integrated
Unit can both be realized in the form of hardware, it would however also be possible to employ the form of SFU software functional unit is realized.In addition, each function list
Member, the specific name of module are also only to facilitate mutually differentiation, is not limited to the protection domain of the application.Said system
The specific work process of middle unit, module, may be referred to the corresponding process in preceding method embodiment, will not be repeated here.
In the above-described embodiments, the description to each embodiment all emphasizes particularly on different fields, without detailed description or note in some embodiment
The part of load, may refer to the associated description of other embodiments.
Those of ordinary skill in the art are it is to be appreciated that the list of each example described with reference to the embodiments described herein
Member and algorithm steps, can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually
Performed with hardware or software mode, depending on the application-specific and design constraint of technical scheme.Professional and technical personnel
Described function can be realized using distinct methods to each specific application, but this realization is it is not considered that exceed
The scope of the present invention.
, can be with embodiment provided by the present invention, it should be understood that disclosed device/terminal device and method
Realize by another way.For example, device described above/terminal device embodiment is only schematical, for example, institute
The division of module or unit is stated, only a kind of division of logic function there can be other dividing mode, for example when actually realizing
Multiple units or component can combine or be desirably integrated into another system, or some features can be ignored, or not perform.Separately
A bit, shown or discussed coupling or direct-coupling or communication connection each other can be by some interfaces, device
Or INDIRECT COUPLING or the communication connection of unit, can be electrical, machinery or other forms.
The unit illustrated as separating component can be or may not be it is physically separate, it is aobvious as unit
The part shown can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On NE.Some or all of unit therein can be selected to realize the mesh of this embodiment scheme according to the actual needs
's.
In addition, each functional unit in each embodiment of the invention can be integrated in a processing unit, can also
That unit is individually physically present, can also two or more units it is integrated in a unit.Above-mentioned integrated list
Member can both be realized in the form of hardware, it would however also be possible to employ the form of SFU software functional unit is realized.
If the integrated module/unit realized using in the form of SFU software functional unit and as independent production marketing or
In use, can be stored in a computer read/write memory medium.Understood based on such, the present invention realizes above-mentioned implementation
All or part of flow in example method, can also instruct the hardware of correlation to complete, described meter by computer program
Calculation machine program can be stored in a computer-readable recording medium, and the computer program can be achieved when being executed by processor
The step of stating each embodiment of the method..Wherein, the computer program includes computer program code, the computer program
Code can be source code form, object identification code form, executable file or some intermediate forms etc..Computer-readable Jie
Matter can include：Can carry any entity or device of the computer program code, recording medium, USB flash disk, mobile hard disk,
Magnetic disc, CD, computer storage, read-only storage (ROM, Read-Only Memory), random access memory (RAM,
Random Access Memory), electric carrier signal, telecommunication signal and software distribution medium etc..It should be noted that described
The content that computer-readable medium is included can carry out appropriate increasing according to legislation in jurisdiction and the requirement of patent practice
Subtract, such as in some jurisdictions, according to legislation and patent practice, computer-readable medium include be electric carrier signal and
Telecommunication signal.
Embodiment described above is merely illustrative of the technical solution of the present invention, rather than its limitations；Although with reference to foregoing reality
Example is applied the present invention is described in detail, it will be understood by those within the art that：It still can be to foregoing each
Technical scheme described in embodiment is modified, or carries out equivalent substitution to which part technical characteristic；And these are changed
Or replace, the essence of appropriate technical solution is departed from the spirit and scope of various embodiments of the present invention technical scheme, all should
Within protection scope of the present invention.
Claims (10)
1. a kind of fire detecting method, it is characterised in that the fire detecting method includes：
The image of the light beam in darkroom is obtained by camera, the light beam is launched by the light source in darkroom to be formed；
According to default characteristics of image and the corresponding relation of particle, particle and particle that the image of the light beam includes are obtained
Change in concentration feature；
According to the combination of the variation characteristic of the concentration of default particle and the corresponding relation of fire incident, fire is carried out to site environment
Calamity monitoring and warning.
2. fire detecting method according to claim 1, it is characterised in that the group of the variation characteristic of the concentration of the particle
The variation characteristic for the concentration for including two or more particle is closed, when the combination bag of the variation characteristic of the concentration of the particle
During the variation characteristic for the concentration for including two kinds of particles, combination and the fire thing of the variation characteristic of the concentration according to default particle
Therefore corresponding relation, to site environment carry out fire monitoring early warning the step of include：
Judge whether the pace of change of the concentration of the first particle is more than the corresponding First Speed threshold value of the first particle, and second
Whether the pace of change of the concentration of grain is more than the corresponding second speed threshold value of the second particle；
When the pace of change of the concentration of the first particle is more than more than First Speed threshold value, and the pace of change of the concentration of the second particle
Second speed threshold value, according to default corresponding relation, there is fire in detection current environment.
3. fire detecting method according to claim 2, it is characterised in that first particle and second particle are
Any two kinds in steam particle, dust granules, smoke particle, oil mist particles.
4. fire detecting method according to claim 1, it is characterised in that in the concentration according to default particle
It is described before the combination of variation characteristic and the corresponding relation of fire incident, the step of carrying out fire monitoring early warning to site environment
Method also includes：
Obtain the ambient parameter of the installation scenario of fire detector；
Corresponding statistics is searched according to the ambient parameter, the peace of the fire detector is obtained according to the statistics
The combination of the variation characteristic of the concentration of particle in dress scene and the corresponding relation of fire incident.
5. the fire detecting method according to claim any one of 1-4, it is characterised in that described special according to default image
Levy the corresponding relation with particle, the step of obtaining the change in concentration feature of particle that the image of the light beam includes and particle
Including：
According to characteristics of image set in advance and particle corresponding relation, particle and the number of particle that identification described image includes
Amount, intensity, projection properties, Euler's numbers, complexity, texture energy feature, the shape that described image feature includes dispersion image is special
One or more in levying；
Particle and the concentration of particle that continuous measurement described image includes, obtain the change speed of the concentration corresponding to particle
Degree.
6. a kind of fire detecting arrangement, it is characterised in that the fire detecting arrangement includes：
Image acquisition unit, the image for obtaining the light beam in darkroom by camera, the light beam is by the light in darkroom
Launch to be formed in source；
Variation characteristic acquiring unit, for the corresponding relation according to default characteristics of image and particle, obtains the figure of the light beam
As the particle and the change in concentration feature of particle that include；
Monitoring and warning unit, the combination pass corresponding with fire incident for the variation characteristic of the concentration according to default particle
System, fire monitoring early warning is carried out to site environment.
7. fire detecting arrangement according to claim 6, it is characterised in that the group of the variation characteristic of the concentration of the particle
The variation characteristic for the concentration for including two or more particle is closed, when the combination bag of the variation characteristic of the concentration of the particle
During the variation characteristic for the concentration for including two kinds of particles, the monitoring and warning unit includes：
Judgment sub-unit, for judging whether the pace of change of concentration of the first particle is more than the corresponding First Speed of the first particle
Whether threshold value, and the pace of change of the concentration of the second particle are more than the corresponding second speed threshold value of the second particle；
Detection sub-unit, the pace of change for the concentration when the first particle is more than First Speed threshold value, and the second particle is dense
The pace of change of degree is more than second speed threshold value, according to default corresponding relation, and fire occurs in detection current environment.
8. fire detecting arrangement according to claim 6, it is characterised in that described device also includes：
Ambient parameter acquiring unit, the ambient parameter of the installation scenario for obtaining fire detector；；
Threshold value searching unit, for searching corresponding statistics according to the ambient parameter, is obtained according to the statistics
The combination of the variation characteristic of the concentration of particle in the installation scenario of the fire detector and the corresponding relation of fire incident.
9. a kind of fire detection equipment, including memory, processor and it is stored in the memory and can be in the processing
The computer program run on device, it is characterised in that realize such as claim 1 described in the computing device during computer program
The step of to any one of 5 fire detecting method.
10. a kind of computer-readable recording medium, the computer-readable recording medium storage has computer program, its feature exists
In the step of realization fire detecting method as described in any one of claim 1 to 5 when the computer program is executed by processor
Suddenly.
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| CN201710454664.9A CN107170182A (en) | 2017-06-15 | 2017-06-15 | A kind of fire detecting method, device and equipment |
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| CN201710454664.9A CN107170182A (en) | 2017-06-15 | 2017-06-15 | A kind of fire detecting method, device and equipment |
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| CN109166263A (en) * | 2018-09-20 | 2019-01-08 | 深圳市中电数通智慧安全科技股份有限公司 | A kind of electrical fire method for integrated control, device and terminal device |
| CN112185070A (en) * | 2020-09-11 | 2021-01-05 | 珠海格力电器股份有限公司 | Fault early warning method, storage medium and electronic equipment |
| CN112325443A (en) * | 2020-09-27 | 2021-02-05 | 中广核工程有限公司 | Emergency exhaust method, system, computer equipment and storage medium |
| CN112785703A (en) * | 2021-01-07 | 2021-05-11 | 江苏星月测绘科技股份有限公司 | Space-time big data dynamic supervision early warning model based on Internet of things and 3D GIS technology |
| CN113409534A (en) * | 2021-07-30 | 2021-09-17 | 广州汇图计算机信息技术有限公司 | Big data-based household intelligent safety fire-fighting early warning protection system |
| CN113808076A (en) * | 2021-08-04 | 2021-12-17 | 北京精英系统科技有限公司 | Detection method, detection device and computer readable storage medium |
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