CN104217526B - Fire early warning method and fire isolating method - Google Patents
Fire early warning method and fire isolating method Download PDFInfo
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- CN104217526B CN104217526B CN201410392514.6A CN201410392514A CN104217526B CN 104217526 B CN104217526 B CN 104217526B CN 201410392514 A CN201410392514 A CN 201410392514A CN 104217526 B CN104217526 B CN 104217526B
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Abstract
An embodiment of the invention provides a fire early warning method and a fire isolating method. The fire early warning method includes utilizing a flame detecting unit to detect the pulse quantity of ultraviolet ray of the special flame waveband and constant occurring time; when the pulse quantity of ultraviolet ray of the special flame waveband and constant occurring time detected by the flame detecting unit reach the predetermined value, waking a system to be in an operating state and output early-warning signals. The fire isolating method includes after the pulse quantity of ultraviolet ray of the special flame waveband and constant occurring time detected by the flame detecting unit reaches the predetermined value and the system is wakened to be in the operating state, utilizing a fire extinguishing agent automatic control orientated nozzle of a spraying unit to spray water extinguishing agent to the fire direction and form a fireproof isolating band so as to prevent the fire from spreading. By the aid of the methods, the fire early warning can be performed and the fireproof isolating band can be formed immediately, and the spread of fire can be prevented well.
Description
Technical field
The present invention relates to fireproofing technique field, more particularly, to a kind of fire alarm method and fire prevention partition method.
Background technology
Fire is one of global important disaster, and with Chinese continuous development, fireproofing becomes top priority.
Fire prevention must implement " put prevention first, extremely early put out a fire to save life and property " policy, be truly realized extremely early find, extremely early solve.
At present, the remote wireless monitoring system based on Wireless/wired network technology, satellite shakes sense technology etc. and has been widely used
In fire monitoring field, but practical application effect unsatisfactory it is impossible to solve Initial Stage of Fire detecting early-warning, prevent something from spreading, extremely early
The problem puted out a fire to save life and property, and relatively costly.
Content of the invention
The embodiment of the present invention provides a kind of fire alarm method and fire prevention partition method, to provide one kind can effectively enter
Row detection early warning, the extremely early firebreak device putting out.
On the one hand, embodiments provide a kind of fire alarm method, described fire alarm method includes: using fire
Flame probe unit detects pulsed quantity and the lasting time of origin that the ultraviolet of specific band in flame is sent；When described flame is visited
When surveying the pulsed quantity that the ultraviolet of specific band in the flame that detects of unit sent and continuing time of origin and reach predetermined value,
Wake-up system enters working condition and exports early warning signal.
Another further aspect, embodiments provides a kind of fire prevention partition method based on above-mentioned fire alarm method, institute
State fire prevention partition method to include: the arteries and veins being sent when the ultraviolet of specific band in the flame that described flame detecting unit detects
After momentum and persistently time of origin reach predetermined value and wake up system entrance working condition, the extinguishing chemical using spray unit is automatic
Control orientation spray nozzle to spray water-based extinguishing agent to condition of a fire orientation, form fire-blocking belt, to stop spreading of fire, specifically wrap
Include: using the housing of described spray unit, described flame detecting unit is arranged in described housing；One extinguishing agent storage is set
Tank is in described housing；One extinguishing chemical is set and automatically controls orientation spray nozzle in described case top, control electricity by spraying
Magnet valve is connected with described extinguishing agent storage tank；One control module is set in described housing；One power module is set in described shell
In vivo, power to described control module, so that described control module is waken up system by the detectable signal of described flame detecting unit
Afterwards, the described unlatching sprayed and control electromagnetic valve is controlled by described control module；After being waken up entrance working condition, according to four
The condition of a fire bearing signal that individual direction flame detecting unit is sent and wind direction signals control electromagnetic valve to open to spray, and utilize institute
State extinguishing agent storage tank, extinguishing chemical automatically controls orientation spray nozzle and sprays water-based extinguishing agent to condition of a fire azimuthal orientation, forms fire prevention
Isolation strip, to stop spreading of fire.
Purple in flame when the embodiment of the present invention detects initial fire disaster generation in the environment such as forest by flame detecting unit
Outer light, when reaching a predetermined value, wake-up system enters working condition and exports early warning signal；It is waken up entrance work in system
After state, spray unit starts at once and carries out water-based extinguishing agent orientation sprays, and for example orientation sprays afff MJPZ extinguishing chemical
Deng such that it is able to form fire-blocking belt in the very first time, spreading of the intensity of a fire can be stoped well.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Have technology description in required use accompanying drawing be briefly described it should be apparent that, drawings in the following description be only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, acceptable
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is a kind of embodiment of the present invention fire alarm method flow diagram；
Fig. 2 is a kind of embodiment of the present invention flame detecting wake module structural representation；
Fig. 3 wakes up output circuit structure schematic diagram for the embodiment of the present invention；
Fig. 4 is a kind of embodiment of the present invention flame detecting awakening method flow chart；
Fig. 5 is application example DC high voltage generation circuit composition schematic diagram of the present invention；
Fig. 6 is the ultraviolet plate circuit composition schematic diagram of application example specific band of the present invention；
Fig. 7 wakes up output circuit composition schematic diagram for application example of the present invention；
Fig. 8 is a kind of fire prevention partition method flow chart based on above-mentioned fire alarm method of the embodiment of the present invention；
Fig. 9 is that a kind of fire-blocking belt of the embodiment of the present invention forms device explosion structural representation；
Figure 10 is that a kind of fire-blocking belt of the embodiment of the present invention forms device overall structure diagram.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of not making creative work
Embodiment, broadly falls into the scope of protection of the invention.
As shown in figure 1, being a kind of embodiment of the present invention fire alarm method flow diagram, described fire alarm method includes:
101st, detect the pulsed quantity that sent of ultraviolet of specific band in flame using flame detecting unit and persistently send out
The raw time；
102nd, the pulsed quantity that sent when the ultraviolet of specific band in the flame that described flame detecting unit detects and
When lasting time of origin reaches predetermined value, wake-up system enters working condition and simultaneously exports early warning signal.
Preferably, the arteries and veins that the described ultraviolet when specific band in the flame that described flame detecting unit detects is sent
Momentum and continue time of origin when reaching predetermined value, wake-up system enters working condition and exports early warning signal and include: when described
Pulsed quantity that in the flame that flame detecting unit detects, the ultraviolet of specific band is sent and continue time of origin reach pre-
During definite value, the system that wakes up enters working condition, is contacted using a communication module and external communications equipment to send early warning signal.
Preferably, described flame detecting unit includes: flame detecting wake module and computing module, wherein: described flame
Detect wake module to include: DC high voltage generation circuit, ultraviolet tube and wake-up output circuit；Described utilization flame detecting unit
Detect pulsed quantity and the lasting time of origin that the ultraviolet of the specific band in flame is sent, when described flame detecting unit is visited
Pulsed quantity that in the flame measuring, the ultraviolet of specific band is sent and when continuing time of origin and reaching predetermined value, wakes up system
Enter working condition to include: using described DC high voltage generation circuit, power input voltage is boosted, then using boosting
Voltage afterwards is respectively outputted to described ultraviolet tube and described wake-up output circuit is powered；Described ultraviolet tube is coupled to
Described DC high voltage generation circuit, the pulsed quantity being sent when the ultraviolet of the specific band detecting in flame and persistently occurring
During the time, to described wake-up output circuit output wake-up pulse voltage；Setting described wake-up output circuit is coupled to described direct current
Circuit for producing high voltage and described ultraviolet tube, by described ultraviolet tube input the filtered processing of circuit of wake-up pulse voltage after and
Preset reference voltage is compared, and is more than described preset reference voltage in the wake-up pulse voltage judging described ultraviolet tube input
When, to computing module output wake-up pulse voltage to wake up described flame detecting unit；Using described computing module according to institute
State wake-up pulse voltage and calculate pulsed quantity and the lasting time of origin that the ultraviolet of the specific band in flame is sent, when described
The pulsed quantity that in the flame that flame detecting unit detects, the ultraviolet of specific band is sent reaches predetermined value, that is, wake up system
Enter working condition.
Preferably, the ultraviolet of described specific band is the ultraviolet of 180nm-260nm wavelength range；Described high direct voltage
The power input voltage producing circuit is 5v, and the voltage after boosting is 340v；Described flame detecting awakening method also includes: setting
One flame ultraviolet detection plate, described ultraviolet tube is placed on described flame ultraviolet detection plate.
Preferably, a follower is coupled to described flame ultraviolet detection plate, is used for following described flame ultraviolet spy
Drafting board input the change of wake-up pulse voltage and export and follow voltage；One reference voltage generating circuit is set, for using electricity
Source input voltage produces described preset reference voltage；One comparator is set, described comparator positive pole is coupled to described follower,
Obtain the change of wake-up pulse voltage following described flame ultraviolet detection plate input and export and follow voltage；By described comparison
Device negative pole is coupled to described reference voltage generating circuit, obtains the described preset reference electricity that described reference voltage generating circuit produces
Pressure；Then follow voltage and described preset reference voltage is compared by described, following described in judge voltage be more than described pre-
When putting reference voltage, to the computing module output wake-up pulse voltage in flame detecting unit with by described flame detecting unit
Computing module wake up；Wherein, the described wake-up pulse voltage exporting to the computing module in described flame detecting unit is negative
Level.
Preferably, setting one filter circuit is coupled between described follower and described flame ultraviolet detection plate, is used for
The wake-up pulse voltage of described flame ultraviolet detection plate input is filtered after process, then exports to described follower.
As shown in Fig. 2 being a kind of embodiment of the present invention flame detecting wake module structural representation, described flame detecting is called out
Awake module includes: DC high voltage generation circuit 10, ultraviolet tube 11 and wake-up output circuit 12, wherein,
Described DC high voltage generation circuit 10, for boosting to power input voltage, then using the electricity after boosting
Pressure is respectively outputted to described ultraviolet tube 11 and described wake-up output circuit is powered；
Described ultraviolet tube 11, is coupled to described DC high voltage generation circuit, for working as the certain wave detecting in flame
The pulsed quantity that sent of ultraviolet of section and when continuing time of origin value, to described wake-up output circuit output wake-up pulse electricity
Pressure；
Described wake-up output circuit 12, is coupled to described DC high voltage generation circuit and described ultraviolet tube 11, for inciting somebody to action
The wake-up pulse voltage of described ultraviolet tube 11 input and preset reference voltage are compared, and are judging that described ultraviolet tube 11 is defeated
When the wake-up pulse voltage entering is more than described preset reference voltage, to flame detecting unit output wake-up pulse voltage with will be described
Flame detecting unit wakes up.
Preferably, the ultraviolet of described specific band is the ultraviolet of 180nm-260nm wavelength range；Described high direct voltage
The power input voltage producing circuit is 5v, and the voltage after boosting is 340v.
Preferably, described flame detecting wake module also includes: flame ultraviolet detection plate, and described ultraviolet tube 11 is located at
On flame ultraviolet detection plate.
As shown in figure 3, waking up output circuit structure schematic diagram for the embodiment of the present invention, this wake-up output circuit 12 includes:
Follower 121, is coupled to described flame ultraviolet detection plate, is used for following described flame ultraviolet detection plate input
The change of wake-up pulse voltage and export and follow voltage；
Reference voltage generating circuit 122, for producing described preset reference voltage using power input voltage；
Comparator 123, its positive pole is coupled to described follower, obtains and follows calling out of described flame ultraviolet detection plate input
The change of awake pulse voltage and export and follow voltage；Its negative pole is coupled to described reference voltage generating circuit, obtains described benchmark
The described preset reference voltage that voltage generation circuit produces；Then follow voltage and described preset reference voltage is compared by described
Relatively, judge described in follow voltage be more than described preset reference voltage when, to flame detecting unit output wake-up pulse voltage with
Described flame detecting unit is waken up；Wherein, to described flame detecting unit output described wake-up pulse voltage be negative level.
Further, it is preferable to, described wake-up output circuit 12 also includes: filter circuit 124, is coupled to described follower
And described flame ultraviolet detection plate between, the wake-up pulse voltage for inputting to described flame ultraviolet detection plate is filtered
After ripple is processed, then export to described follower.Through to wake-up pulse voltage filter, removing interference, reliability can be further able to
Ground detects the faint ultra-violet light-emitting of specific band in flame, such that it is able to further increase the credibility of fire detection.
As shown in figure 4, being a kind of embodiment of the present invention flame detecting awakening method flow chart, described flame detecting wake-up side
Method includes:
401st, using a DC high voltage generation circuit, power input voltage is boosted, then using the voltage after boosting
It is respectively outputted to a flame ultraviolet detection plate and a wake-up output circuit is powered；
402nd, described flame ultraviolet tube is coupled to described DC high voltage generation circuit, specific in flame when detecting
Pulsed quantity that the ultraviolet of wave band is sent and when continuing time of origin, to described wake-up output circuit output wake-up pulse electricity
Pressure；
403rd, setting described wake-up output circuit is coupled to described DC high voltage generation circuit and described flame detecting ultraviolet
Spool, the wake-up pulse voltage of described ultraviolet detection cell board input and preset reference voltage is compared, is judging
When the wake-up pulse voltage of described ultraviolet detection cell board input is more than described preset reference voltage, to flame detecting unit
Output wake-up pulse voltage is to wake up described system each unit.
Preferably, the ultraviolet of described specific band is the ultraviolet of 180nm-260nm wavelength range；Described high direct voltage
The power input voltage producing circuit is 5v, and the voltage after boosting is 340v.As shown in figure 5, being application example direct current of the present invention
Circuit for producing high voltage composition schematic diagram.
Preferably, described flame detecting awakening method also includes: the ultraviolet detection cell board of setting one, by described ultraviolet
Spool is placed on described ultraviolet detection cell board.As shown in fig. 6, the ultraviolet detection cell board for application example of the present invention
Plate circuit composition schematic diagram.
Preferably, a follower is coupled to described ultraviolet detection cell board, visits for following described ultraviolet
Survey the change of wake-up pulse voltage of cell board input and export and follow voltage；One reference voltage generating circuit is set, for profit
Produce described preset reference voltage with power input voltage；One comparator is set, by described comparator positive pole be coupled to described with
With device, obtain the change of wake-up pulse voltage of the input of the ultraviolet detection cell board described in following and export and follow voltage；Will
Described comparator negative pole is coupled to described reference voltage generating circuit, obtains the described pre- of described reference voltage generating circuit generation
Put reference voltage；Then follow voltage and described preset reference voltage is compared by described, it is big to follow voltage described in judge
When described preset reference voltage, to flame detecting unit output wake-up pulse voltage to wake up described flame detecting unit；
Wherein, to described flame detecting unit output described wake-up pulse voltage be negative level.
Preferably, can also arrange a filter circuit be coupled to described follower and described ultraviolet detection cell board it
Between, after the wake-up pulse voltage for inputting to described ultraviolet detection cell board is filtered processing, then export to described
Follower.As shown in fig. 7, waking up output circuit composition schematic diagram for application example of the present invention.Wherein, the high direct voltage in Fig. 5
Produce circuit boosting after voltage+340v terminal respectively with Fig. 6 in+340v terminal and Fig. 7 in+340v terminal phase couple,
And the port 1 of the j1 in Fig. 6 mutually couples with the port 1 of the j4 in Fig. 7.Through to wake-up pulse voltage filter, removing interference, can
Reliably to detect the faint ultra-violet light-emitting of peculiar wave band in flame further, such that it is able to further increase fire detection
Credibility.
Embodiment of the present invention technique scheme is sent using the ultraviolet working as the specific band detecting in flame
When pulsed quantity and lasting time of origin, export wake-up pulse voltage to waking up output circuit；Wake up output circuit by described purple
The wake-up pulse voltage of outside line probe unit plate input and preset reference voltage are compared, in the ultraviolet detection unit judging
When the wake-up pulse voltage of plate input is more than preset reference voltage, to flame detecting unit output wake-up pulse voltage with by flame
The technological means that probe unit wakes up, by this atomic power consumption flame detector by flame detecting wake module, are designed as one
Money ultraviolet on/off sensor, can reliably detect the faint ultra-violet light-emitting of peculiar wave band in flame, such that it is able to it is preferable
Apply in fire-alarm, supervision of setting on fire, in the combustion monitor equipment of burner, improve the credibility of fire detection.It
There is the extremely narrow sensitivity width to ultraviolet light wave band 180nm-260nm, and completely insensitive to visible ray.Because utilizing
Electric discharge phenomena, it can obtain very high sensitivity and sufficiently large output, thus can by simple micropower circuit
To realize the flame ultraviolet detection of high sensitivity and quick response.It can reliably detect the faint ultra-violet light-emitting in flame, from
And it ideally can be applied in fire-alarm, supervision of setting on fire, in the combustion monitor equipment of burner.Can be used for detecting
In the phenomenons such as the electric discharge of ultra-high-tension power transmission line.
As shown in figure 8, being a kind of fire prevention partition method flow chart based on above-mentioned fire alarm method of the embodiment of the present invention,
Described fire prevention partition method includes: when the ultraviolet of specific band in the flame that described flame detecting unit detects is sent
After pulsed quantity and persistently time of origin reach predetermined value and wake up system entrance working condition, automatic using spray unit extinguishing chemical
Control orientation spray nozzle to be in that level sprays water-based extinguishing agent to 60 ° of fan-shaped orientations, form fire-blocking belt, to stop the climing of fire
Prolong, specifically include:
801st, utilize the housing of spray unit, described flame detecting unit is arranged in described housing；
802nd, setting one extinguishing agent storage tank is in described housing；
803rd, setting one extinguishing chemical automatically controls orientation spray nozzle in described case top, controls electromagnetic valve by spraying
It is connected with described extinguishing agent storage tank；
804th, setting one control module is in described housing；
805th, setting one power module, in described housing, is powered to described control module, so that described control module quilt
After the detectable signal wake-up system of described flame detecting unit, described sprinkling is controlled to control electromagnetic valve by described control module
Open；When be waken up enter working condition after, the condition of a fire bearing signal being sent according to four direction flame detecting unit and wind
To open to signal sprinkling control electromagnetic valve, and using described extinguishing agent storage tank, extinguishing chemical automatically control orientation spray nozzle to
Condition of a fire azimuthal orientation sprays water-based extinguishing agent, forms fire-blocking belt, to stop spreading of fire.
As shown in figure 9, forming device explosion structural representation for a kind of fire-blocking belt of the embodiment of the present invention；Figure 10 is this
A kind of fire-blocking belt of inventive embodiments forms device overall structure diagram.Described fire-blocking belt forms device and includes: spray
Spill unit and flame detecting unit 915, wherein, this spray unit includes: housing 91, extinguishing agent storage tank 92, water-ice extinguishing chemical
93rd, high pressure nitrogen 94, head lower cover 95, filler check valve 96, accumulator 97, lid 98, anti-bird arresting device 99 on head, go out
Fiery agent automatically control orientation spray nozzle 910, support 911, direction inductor 912, solar panel 913, carry out fire alarm,
Ground magnetic orientation, wind direction mensures, wireless telecommunications, extinguishing chemical isolation strip spray control control module 914, flame detecting unit 915,
Warming wakes up induction apparatuss and wind direction measures induction apparatuss 916, sprays control electromagnetic valve 917, and wherein, extinguishing chemical automatically controls orientation spray
Spilling mouth 910 controls spray nozzle back and forth to strafe swing arm nozzles in level to 60 degree for automatic orientation, and flame detecting unit 915 is four-way
Micro Energy Lose flame UV-detector.In addition, extinguishing agent storage tank 92, control module 5, power module (accumulator 97, solar energy
Cell panel 913), spray control electromagnetic valve 917 be arranged in housing 91.60 ° of angle directional fire-extinguishing agent of water-ice automatically control fixed
It is arranged on housing 91 top to spray nozzle 910, extinguishing chemical automatically controls orientation spray nozzle 910 to be passed through to spray control electromagnetic valve 917
It is connected with extinguishing agent storage tank 92.Flame detecting unit 915 is arranged on interior four outward directions of housing 91, for detecting Forest Fire
Ultraviolet light in flame when the calamity initial stage occurs.Carry out fire alarm, magnetic orientation, wind direction mensure, wireless telecommunications, extinguishing chemical isolation
After control module 914 with spraying control is waken up by flame detecting unit 915, control and spray the unlatching controlling electromagnetic valve 917.Electricity
Source module (accumulator 97, solar panel 913) is arranged in housing 91, powers to control module 914.
When no fire occurs, flame detecting unit 915 is in Micro Energy Lose working condition, and the module such as spray unit or list
Unit is in no power consumption resting state.
Preferably, a wind direction determination unit is set, described spray nozzle top is fixed on by described housing；One earth magnetism is set
Locating module is connected by pcb wiring board with described control module and is jointly fixed on housing disk bone.As shown in figure 9, this
Bright embodiment direction inductor 912 is fixed on extinguishing chemical automatic orientation by housing 91 and controls spray nozzle 910 top, carries out fire
Early warning, magnetic orientation, wind direction mensure, wireless telecommunications, extinguishing chemical isolation strip spray control control module 914 pass through pcb circuit
Plate connects and is jointly fixed on housing disk bone.In addition, present invention additionally comprises solar panel 913, being arranged on housing 91,
For converting the solar into power storage to accumulator 97.
The surface of the housing 91 of the embodiment of the present invention, except solar module 913, is also provided with anti-bird and is detained
Device 99.
In addition, the embodiment of the present invention is additionally provided with communication module for contacting with external communications equipment, when fire occurs
Carry out the communication such as report to the police.
Additionally, the embodiment of the present invention is further opened with being easy to flame detecting unit 915 detection ultraviolet light extremely on housing 91
Few four direction perforate, detects flame middle-ultraviolet lamp in order to flame detecting unit 915.
The embodiment of the present invention passes through spray unit, and arranges corresponding flame detecting unit 915, this flame detecting unit
915 are made up of flame detecting wake module and computing module, and when forest early period of origination fire, flame detecting wake module detects
The pole narrow-band ultraviolet being sent in flame, then sends wake-up pulse voltage；Computing module is according to wake-up pulse voltameter
The ultraviolet calculated in flame continues time of origin, and when the flame middle-ultraviolet lamp that flame detecting unit detects, to reach certain time pre-
Definite value, that is, the system that wakes up enters working condition, and spray unit passes through upper horizontal to the reciprocal rocking arm sprinkler head of 60 ° of angles, sprays
Water-based extinguishing agent, forms the fire-blocking belt that diameter of up to 40～50 rice and flour amass, to stop spreading of initial fire disaster.
The embodiment of the present invention carries out incipient flame detection by flame detecting unit, and in detecting forest, initial fire disaster is sent out
When ultraviolet light in flame when raw reaches certain time preset value, wake-up system enters working condition and exports early warning signal；?
After system is waken up entrance working condition and sends condition of a fire early warning, geographical position and wind direction condition of a fire information, spray unit passes through control
Molding block starts at once and carries out water-based extinguishing agent automatic orientation sprinkling, and for example orientation sprays afff MJPZ extinguishing chemical, thus
Fire-blocking belt can be formed in the very first time, spreading of the forest intensity of a fire can be stoped well.
Those skilled in the art are it will also be appreciated that the various illustrative components, blocks listed of the embodiment of the present invention
(illustrative logical block), unit, and step can pass through electronic hardware, computer software, or both knots
Conjunction is realized.For clearly showing that the replaceability (interchangeability) of hardware and software, above-mentioned various explanations
Property part (illustrative components), unit and step have universally described their function.Such work(
It can be the design requirement realized by hardware or software depending on specific application and whole system.Those skilled in the art
Can be for every kind of specific application, it is possible to use various methods realize described function, but this realization is understood not to
Scope beyond embodiment of the present invention protection.
Various illustrative logical block described in the embodiment of the present invention, or unit can pass through general processor,
Digital signal processor, special IC (asic), field programmable gate array or other programmable logic device, discrete gate
Or transistor logic, discrete hardware components, or the design of any of the above described combination are realizing or to operate described function.General place
Reason device can be microprocessor, and alternatively, this general processor can also be any traditional processor, controller, microcontroller
Device or state machine.Processor can also be realized by the combination of computing device, such as digital signal processor and microprocessor,
Multi-microprocessor, one or more microprocessors one Digital Signal Processor Core of joint, or any other like configuration
To realize.
The step of the method described in the embodiment of the present invention or algorithm can be directly embedded into hardware, computing device soft
Part module or the combination of both.Software module can be stored in ram memorizer, flash memory, rom memorizer, eprom storage
Other any form of storage media in device, eeprom memorizer, depositor, hard disk, moveable magnetic disc, cd-rom or this area
In.Exemplarily, storage medium can be connected with processor, so that processor can read information from storage medium, and
Write information can be deposited to storage medium.Alternatively, storage medium can also be integrated in processor.Processor and storage medium can
To be arranged in asic, asic can be arranged in user terminal.Alternatively, processor and storage medium can also be arranged at use
In different part in the terminal of family.
In one or more exemplary designs, above-mentioned functions described by the embodiment of the present invention can be in hardware, soft
The combination in any of part, firmware or this three is realizing.If realized in software, these functions can store and computer-readable
On medium, or it is transmitted on the medium of computer-readable with one or more instructions or code form.Computer readable medium includes electricity
Brain stores medium and is easy to so that allowing computer program transfer to the telecommunication media in other places from a place.Storage medium is permissible
It is any general or special computer can be with the useable medium of access.For example, such computer readable media can include but
It is not limited to ram, rom, eeprom, cd-rom or other optical disc storage, disk storage or other magnetic storage device, or other
What can be used for carrying or storing to instruct or data structure and other can be by general or special computer or general or special handlings
Device reads the medium of the program code of form.Additionally, any connection can be properly termed computer readable medium, example
As if software is to pass through a coaxial cable, fiber optic cables, double from a web-site, server or other remote resource
Twisted wire, Digital Subscriber Line (dsl) or with the wireless way for transmittings such as example infrared, wireless and microwave be also contained in defined
In computer readable medium.Described video disc (disk) and disk (disc) include Zip disk, radium-shine disk, CD, dvd, floppy disk
And Blu-ray Disc, disk is generally with magnetic duplication data, and video disc generally carries out optical reproduction data with laser.Combinations of the above
Can also be included in computer readable medium.
Above-described specific embodiment, has been carried out to the purpose of the present invention, technical scheme and beneficial effect further
Describe in detail, be should be understood that the specific embodiment that the foregoing is only the present invention, be not intended to limit the present invention
Protection domain, all any modification, equivalent substitution and improvement within the spirit and principles in the present invention, done etc., all should comprise
Within protection scope of the present invention.
Claims (9)
1. a kind of fire alarm method is it is characterised in that described fire alarm method includes:
The pulsed quantity being sent using the ultraviolet that flame detecting unit detects specific band in flame and lasting time of origin；
The pulsed quantity that sent when the ultraviolet of specific band in the flame that described flame detecting unit detects and persistently occurring
When time reaches predetermined value, wake-up system enters working condition and exports early warning signal；
Described flame detecting unit includes: flame detecting wake module and computing module, wherein: described flame detecting wake module
Including: DC high voltage generation circuit, ultraviolet tube and wake-up output circuit；Described utilization flame detecting unit detects in flame
Pulsed quantity and lasting time of origin that the ultraviolet of specific band is sent, when in the flame that described flame detecting unit detects
Pulsed quantity that the ultraviolet of specific band is sent and when continuing time of origin and reaching predetermined value, the system that wakes up enters working condition
Including:
Using described DC high voltage generation circuit, power input voltage is boosted, then defeated respectively using the voltage after boosting
Go out and be powered to described ultraviolet tube and described wake-up output circuit；
Described ultraviolet tube is coupled to described DC high voltage generation circuit, when the ultraviolet of the specific band detecting in flame
When the pulsed quantity being sent and lasting time of origin, to described wake-up output circuit output wake-up pulse voltage；
Setting described wake-up output circuit is coupled to described DC high voltage generation circuit and described ultraviolet tube, by described ultraviolet
It is compared with preset reference voltage after the filtered processing of circuit of wake-up pulse voltage of pipe input, judging described ultraviolet tube
When the wake-up pulse voltage of input is more than described preset reference voltage, to computing module output wake-up pulse voltage with by described fire
Computing module in flame probe unit wakes up；
Sent according to the ultraviolet that described wake-up pulse voltage calculates the specific band in flame using described computing module
Pulsed quantity and lasting time of origin, when the ultraviolet of specific band in the flame that described flame detecting unit detects is sent
Pulsed quantity reaches predetermined value, that is, the system that wakes up enters working condition.
2. fire alarm method as claimed in claim 1 is it is characterised in that the described fire detecting when described flame detecting unit
Pulsed quantity that in flame, the ultraviolet of specific band is sent and when continuing time of origin and reaching predetermined value, wakes up system entrance work
State simultaneously exports early warning signal and includes:
The pulsed quantity that sent when the ultraviolet of specific band in the flame that described flame detecting unit detects and persistently occurring
When time reaches predetermined value, the system that wakes up enters working condition, is contacted using a communication module and external communications equipment to send
Early warning signal.
3. fire alarm method as claimed in claim 1 is it is characterised in that the ultraviolet of described specific band is 180nm-
The ultraviolet of 260nm wavelength range；The power input voltage of described DC high voltage generation circuit is 5v, and the voltage after boosting is
340v；Described fire alarm method also includes:
One flame ultraviolet detection plate is set, described ultraviolet tube is placed on described flame ultraviolet detection plate.
4. fire alarm method as claimed in claim 3 it is characterised in that
One follower is coupled to described flame ultraviolet detection plate, for following calling out of described flame ultraviolet detection plate input
The change of awake pulse voltage and export and follow voltage；
One reference voltage generating circuit is set, for producing described preset reference voltage using power input voltage；
One comparator is set, described comparator positive pole is coupled to described follower, obtain and follow described flame ultraviolet detection
Plate input the change of wake-up pulse voltage and export and follow voltage；Described comparator negative pole is coupled to described reference voltage produce
Raw circuit, obtains the described preset reference voltage that described reference voltage generating circuit produces；Then voltage and institute are followed by described
State preset reference voltage to be compared, when following voltage more than described preset reference voltage described in judging, to flame detecting list
Computing module in unit exports wake-up pulse voltage to wake up the computing module in described flame detecting unit；Wherein, to institute
The described wake-up pulse voltage stating the computing module output in flame detecting unit is negative level.
5. fire alarm method as claimed in claim 4 it is characterised in that
Arrange a filter circuit to be coupled between described follower and described flame ultraviolet detection plate, for purple to described flame
After the wake-up pulse voltage of outside line detecting plate input is filtered processing, then export to described follower.
6. a kind of fire prevention partition method based on fire alarm method any one of claim 1-5 is it is characterised in that institute
State fire prevention partition method to include:
The pulsed quantity that sent when the ultraviolet of specific band in the flame that described flame detecting unit detects and persistently occurring
After time reaches predetermined value and wakes up system entrance working condition, automatically control orientation spray nozzle using the extinguishing chemical of spray unit
Spray water-based extinguishing agent to condition of a fire orientation, form fire-blocking belt, to stop spreading of fire, specifically include:
Using the housing of described spray unit, described flame detecting unit is arranged in described housing；
One extinguishing agent storage tank is set in described housing；
One extinguishing chemical is set and automatically controls orientation spray nozzle in described case top, control electromagnetic valve to go out with described by spraying
Fiery agent holding vessel is connected；
One control module is set in described housing；
One power module is set in described housing, powers to described control module, so that described control module is by described flame
After the detectable signal wake-up system of probe unit, the described unlatching sprayed and control electromagnetic valve is controlled by described control module；When
After being waken up entrance working condition, the condition of a fire bearing signal that sent according to four direction flame detecting unit and wind direction signals Lai
Open sprinkling and control electromagnetic valve, and automatically control orientation spray nozzle to condition of a fire orientation using described extinguishing agent storage tank, extinguishing chemical
Orientation sprays water-based extinguishing agent, forms fire-blocking belt, to stop spreading of fire.
7. fire prevention partition method as claimed in claim 6 is it is characterised in that described fire prevention partition method also includes:
When no fire occurs, described flame detecting unit is in Micro Energy Lose working condition, and by described system each unit
In the resting state that no consumes energy.
8. fire prevention partition method as claimed in claim 6 is it is characterised in that described fire prevention partition method also includes:
One wind direction determination unit is set, described extinguishing chemical is fixed on by described housing and automatically controls orientation spray nozzle top；
Arrange an earth magnetism locating module to be connected by pcb wiring board with described control module and be jointly fixed on housing disk bone.
9. fire prevention partition method as claimed in claim 6 is it is characterised in that it is water that described extinguishing chemical automatically controls orientation spray nozzle
Put down to 60 ° of angle reciprocating rotary swing arm nozzles；Described housing includes tube body and mushroom-shaped end；Described fire prevention partition method is also
Including:
Solar module is arranged on the housing, is used for converting the solar into power storage to described power supply mould
Block；
Also set up anti-bird arresting device on the surface of described mushroom-shaped end；
Also open up at least four direction perforates on the housing, detect the condition of a fire in order to described flame detecting unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410392514.6A CN104217526B (en) | 2014-08-11 | 2014-08-11 | Fire early warning method and fire isolating method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410392514.6A CN104217526B (en) | 2014-08-11 | 2014-08-11 | Fire early warning method and fire isolating method |
Publications (2)
| Publication Number | Publication Date |
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| CN104217526A CN104217526A (en) | 2014-12-17 |
| CN104217526B true CN104217526B (en) | 2017-01-25 |
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| CN201410392514.6A Expired - Fee Related CN104217526B (en) | 2014-08-11 | 2014-08-11 | Fire early warning method and fire isolating method |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105096512A (en) * | 2015-09-24 | 2015-11-25 | 奇瑞汽车股份有限公司 | Smoke sensing alarm system based on GSM short message technology and operation method thereof |
| CN115346328A (en) * | 2022-08-12 | 2022-11-15 | 国网四川省电力公司绵阳供电公司 | Mountain fire early warning method and early warning system for power transmission and distribution line |
| CN117636608B (en) * | 2024-01-26 | 2024-04-19 | 中国民用航空飞行学院 | Depth estimation-based high and large space fire monitoring method, equipment and medium |
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|---|---|---|---|---|
| GB1057485A (en) * | 1962-10-05 | 1967-02-01 | Wilkinson Sword Ltd | Improvements in or relating to fire detectors |
| CN2325829Y (en) * | 1998-01-20 | 1999-06-23 | 胡钰根 | Flame alarm |
| CN101751755A (en) * | 2010-01-05 | 2010-06-23 | 重庆英卡电子有限公司 | Forest fireproofing early warning system |
| CN201681461U (en) * | 2010-01-05 | 2010-12-22 | 重庆英卡电子有限公司 | Wireless flame detector |
| CN102779389A (en) * | 2012-07-19 | 2012-11-14 | 上海电控研究所 | Single ultraviolet phototube optical detector for fire detection at high temperature |
-
2014
- 2014-08-11 CN CN201410392514.6A patent/CN104217526B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1057485A (en) * | 1962-10-05 | 1967-02-01 | Wilkinson Sword Ltd | Improvements in or relating to fire detectors |
| CN2325829Y (en) * | 1998-01-20 | 1999-06-23 | 胡钰根 | Flame alarm |
| CN101751755A (en) * | 2010-01-05 | 2010-06-23 | 重庆英卡电子有限公司 | Forest fireproofing early warning system |
| CN201681461U (en) * | 2010-01-05 | 2010-12-22 | 重庆英卡电子有限公司 | Wireless flame detector |
| CN102779389A (en) * | 2012-07-19 | 2012-11-14 | 上海电控研究所 | Single ultraviolet phototube optical detector for fire detection at high temperature |
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| Publication number | Publication date |
|---|---|
| CN104217526A (en) | 2014-12-17 |
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