CN104217526A - Fire early warning method and fire isolating method - Google Patents
Fire early warning method and fire isolating method Download PDFInfo
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- CN104217526A CN104217526A CN201410392514.6A CN201410392514A CN104217526A CN 104217526 A CN104217526 A CN 104217526A CN 201410392514 A CN201410392514 A CN 201410392514A CN 104217526 A CN104217526 A CN 104217526A
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- 230000002618 waking effect Effects 0.000 claims abstract description 5
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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 an automatic 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, particularly relate to a kind of fire alarm method and fire prevention partition method.
Background technology
Fire is one of global important disaster, and along with the development of China, fireproofing becomes top priority.
Fire prevention must be implemented " put prevention first, early put out a fire to save life and property in pole " policy, really accomplish that pole early finds, pole early solves.
At present, based on the remote wireless monitoring system of Wireless/wired network technology, satellite shakes sense technology etc. and has been widely used in fire monitoring field, but practical application effect is unsatisfactory, Initial Stage of Fire detecting early-warning can not be solved, prevent something from spreading, the problem early puted out a fire to save life and property in pole, and cost is higher.
Summary of the invention
The embodiment of the present invention provides a kind of fire alarm method and fire prevention partition method, to provide a kind of firebreak device that effectively can carry out detection early warning, pole and early put out.
On the one hand, embodiments provide a kind of fire alarm method, described fire alarm method comprises: the pulsed quantity that the ultraviolet utilizing flame detecting unit to detect specific band in flame sends and lasting time of origin; When the pulsed quantity that the ultraviolet of specific band in the flame that described flame detecting unit detects sends and lasting time of origin reach predetermined value, waken system enters duty and exports early warning signal.
Again on the one hand, embodiments provide a kind of fire prevention partition method based on above-mentioned fire alarm method, described fire prevention partition method comprises: the pulsed quantity sent when the ultraviolet of specific band in the flame that described flame detecting unit detects and lasting time of origin reach predetermined value and after waken system enters duty, the self-orientation Control Nozzle of spray unit is utilized to spray water-based extinguishing agent to condition of a fire orientation, form fire-blocking belt, to stop spreading of fire, specifically comprise: the housing utilizing described spray unit, described flame detecting unit is arranged in described housing, one extinguishing agent storage tank is set in described housing, one fire extinguishing agent being set and automatically controlling directed spray nozzle in described case top, being connected with described extinguishing agent storage tank by spraying Controlling solenoid valve, 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 after the detectable signal waken system of described flame detecting unit, controlled the unlatching of described sprinkling Controlling solenoid valve by described control module, after being waken up and entering duty, the condition of a fire bearing signal sent according to four direction flame detecting unit and wind direction signals open sprinkling Controlling solenoid valve, and utilize described extinguishing agent storage tank, self-orientation Control Nozzle to spray water-based extinguishing agent to condition of a fire azimuthal orientation, form fire-blocking belt, to stop spreading of fire.
The embodiment of the present invention is by the ultraviolet light in flame when initial fire disaster occurs in the environment such as flame detecting unit detection forest, and when reaching a predetermined value, waken system enters duty and exports early warning signal; After system is waken up and enters duty, spray unit starts at once and carries out water-based extinguishing agent orientation sprays, and such as directedly sprays AFFF MJPZ fire extinguishing agent etc., thus can form fire-blocking belt in the very first time, can stop spreading of the intensity of a fire well.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of fire alarm method flow diagram of the embodiment of the present invention;
Fig. 2 is a kind of flame detecting wake module of embodiment of the present invention structural representation;
Fig. 3 is that the embodiment of the present invention wakes output circuit structure schematic diagram up;
Fig. 4 is a kind of flame detecting awakening method of embodiment of the present invention process flow diagram;
Fig. 5 is application example DC high voltage generation circuit of the present invention composition schematic diagram;
Fig. 6 is the ultraviolet plate circuit composition schematic diagram of application example specific band of the present invention;
Fig. 7 is that application example of the present invention wakes output circuit composition schematic diagram up;
Fig. 8 is a kind of fire prevention partition method process flow diagram based on above-mentioned fire alarm method of the embodiment of the present invention;
Fig. 9 is a kind of fire-blocking belt of embodiment of the present invention forming apparatus detonation configuration schematic diagram;
Figure 10 is a kind of fire-blocking belt of embodiment of the present invention forming apparatus one-piece construction schematic diagram.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
As shown in Figure 1, be a kind of fire alarm method flow diagram of the embodiment of the present invention, described fire alarm method comprises:
101, the pulsed quantity that the ultraviolet utilizing flame detecting unit to detect specific band in flame sends and lasting time of origin;
102, when the pulsed quantity that the ultraviolet of specific band in the flame that described flame detecting unit detects sends and lasting time of origin reach predetermined value, waken system enters duty and exports early warning signal.
Preferably, it is described when the pulsed quantity that the ultraviolet of specific band in the flame that described flame detecting unit detects sends and lasting time of origin reach predetermined value, waken system enters duty and output alarm signal comprises: when the pulsed quantity that the ultraviolet of specific band in the flame that described flame detecting unit detects sends and lasting time of origin reach predetermined value, waken system enters duty, utilizes a communication module and external communications equipment to contact to send early warning signal.
Preferably, described flame detecting unit comprises: flame detecting wake module and computing module, wherein: described flame detecting wake module comprises: DC high voltage generation circuit, ultraviolet tube and wake output circuit up; The pulsed quantity that the ultraviolet of the described specific band utilizing flame detecting unit to detect in flame sends and lasting time of origin, when the pulsed quantity that the ultraviolet of specific band in the flame that described flame detecting unit detects sends and lasting time of origin reach predetermined value, waken system enters duty and comprises: utilize described DC high voltage generation circuit to boost to power input voltage, and the voltage after then utilizing boosting outputs to described ultraviolet tube respectively and the described output circuit that wakes up is powered; Described ultraviolet tube is coupled to described DC high voltage generation circuit, when the pulsed quantity that the ultraviolet detecting the specific band in flame sends and lasting time of origin, exports wake-up level signal to the described output circuit that wakes up; Wake output circuit described in arranging up and be coupled to described DC high voltage generation circuit and described ultraviolet tube, the pulse voltage of waking up inputted by described ultraviolet tube compares with preset reference voltage after filtering circuit process, when judging that the wake-up voltage of described ultraviolet tube input is greater than described preset reference voltage, export wake-up voltage to be waken up by described flame detecting unit to computing module; The pulsed quantity that the ultraviolet of the specific band utilizing described computing module to calculate in flame according to described wake-up voltage sends and lasting time of origin, the pulsed quantity sent when the ultraviolet of specific band in the flame that described flame detecting unit detects reaches predetermined value, and namely waken system enters duty.
Preferably, the ultraviolet of described specific band is the ultraviolet of 180nm-260nm wavelength range; The power input voltage of described DC high voltage generation circuit is 5V, and the voltage after boosting is 340V; Described flame detecting awakening method also comprises: arrange a flame ultraviolet detection plate, is placed in by described ultraviolet tube on described flame ultraviolet detection plate.
Preferably, a follower is coupled to described flame ultraviolet detection plate, exports follow voltage for following the change of the wake-up voltage of described flame ultraviolet detection plate input; One reference voltage generating circuit being set, producing described preset reference voltage for utilizing power input voltage; One comparer is set, described comparer positive pole is coupled to described follower, obtain the change of the wake-up voltage of following the input of described flame ultraviolet detection plate and export and follow voltage; Described comparer negative pole is coupled to described reference voltage generating circuit, obtains the described preset reference voltage that described reference voltage generating circuit produces; Then follow voltage and described preset reference voltage compares by described, when following voltage described in judging and being greater than described preset reference voltage, export wake-up voltage to be waken up by described flame detection device to flame detection device; Wherein, the described wake-up voltage exported to described flame detection device is negative level.
Preferably, a filtering circuit is set and is coupled between described follower and described flame ultraviolet detection plate, after filtering process is carried out to the wake-up voltage of described flame ultraviolet detection plate input, then export to described follower.
As shown in Figure 2, be a kind of flame detecting wake module of embodiment of the present invention structural representation, described flame detecting wake module comprises: DC high voltage generation circuit 10, ultraviolet tube 11 and wake output circuit 12 up, wherein,
Described DC high voltage generation circuit 10, for boosting to power input voltage, the voltage after then utilizing boosting outputs to described ultraviolet tube 11 respectively and the described output circuit that wakes up is powered;
Described ultraviolet tube 11, is coupled to described DC high voltage generation circuit, during for the pulsed quantity that sends when the ultraviolet detecting the specific band in flame and lasting time of origin value, exports wake-up voltage to the described output circuit that wakes up;
Describedly wake output circuit 12 up, be coupled to described DC high voltage generation circuit and described ultraviolet tube 11, compare for wake-up voltage that described ultraviolet tube 11 is inputted and preset reference voltage, when the wake-up voltage judging that described ultraviolet tube 11 inputs is greater than described preset reference voltage, export wake-up voltage to be waken up by described flame detecting unit to flame detecting unit.
Preferably, the ultraviolet of described specific band is the ultraviolet of 180nm-260nm wavelength range; The power input voltage of described DC high voltage generation circuit is 5V, and the voltage after boosting is 340V.
Preferably, described flame detecting wake module also comprises: flame ultraviolet detection plate, and described ultraviolet tube 11 is positioned on flame ultraviolet detection plate.
As shown in Figure 3, for the embodiment of the present invention wakes output circuit structure schematic diagram up, this wakes output circuit 12 up and comprises:
Follower 121, is coupled to described flame ultraviolet detection plate, exports follow voltage for following the change of the wake-up voltage of described flame ultraviolet detection plate input;
Reference voltage generating circuit 122, produces described preset reference voltage for utilizing power input voltage;
Comparer 123, its positive pole is coupled to described follower, obtains the change of the wake-up voltage of following the input of described flame ultraviolet detection plate and exports and follow voltage; Its negative pole is coupled to described reference voltage generating circuit, obtains the described preset reference voltage that described reference voltage generating circuit produces; Then follow voltage and described preset reference voltage compares by described, when following voltage described in judging and being greater than described preset reference voltage, export wake-up voltage to be waken up by described flame detecting unit to flame detecting unit; Wherein, the described wake-up voltage exported to described flame detecting unit is negative level.
Further, preferably, wake output circuit 12 up described in also to comprise: filtering circuit 124, is coupled between described follower and described flame ultraviolet detection plate, after filtering process is carried out to the wake-up voltage of described flame ultraviolet detection plate input, then export to described follower.Through to waking pulse voltage filtering up, removing interference, reliably can detect the faint ultra-violet light-emitting of specific band in flame further, thus the confidence level of fire detection can be further increased.
As shown in Figure 4, be a kind of flame detecting awakening method of embodiment of the present invention process flow diagram, described flame detecting awakening method comprises:
401, utilize a DC high voltage generation circuit to boost to power input voltage, the voltage after then utilizing boosting outputs to a flame ultraviolet detection plate and respectively and wakes output circuit up and power;
402, described flame ultraviolet tube is coupled to described DC high voltage generation circuit, when the pulsed quantity that the ultraviolet detecting the specific band in flame sends and lasting time of origin, exports wake-up voltage to the described output circuit that wakes up;
403, arrange described in wake output circuit up and be coupled to described DC high voltage generation circuit and described flame detecting ultraviolet tube, the wake-up voltage input described ultraviolet detection cell board and preset reference voltage compare, when the wake-up voltage of the ultraviolet detection cell board input described in judging is greater than described preset reference voltage, export wake-up voltage to be waken up by each for described system unit to flame detecting unit.
Preferably, the ultraviolet of described specific band is the ultraviolet of 180nm-260nm wavelength range; The power input voltage of described DC high voltage generation circuit is 5V, and the voltage after boosting is 340V.As shown in Figure 5, be application example DC high voltage generation circuit composition schematic diagram of the present invention.
Preferably, described flame detecting awakening method also comprises: arrange the ultraviolet detection cell board of, is placed on described ultraviolet detection cell board by described ultraviolet tube.As shown in Figure 6, be the ultraviolet detection cell board plate circuit composition schematic diagram of application example of the present invention.
Preferably, a follower is coupled to described ultraviolet detection cell board, exports follow voltage for following the change of the wake-up voltage of described ultraviolet detection cell board input; One reference voltage generating circuit being set, producing described preset reference voltage for utilizing power input voltage; One comparer is set, described comparer positive pole is coupled to described follower, obtain the change of the wake-up voltage of following the input of described ultraviolet detection cell board and export and follow voltage; Described comparer negative pole is coupled to described reference voltage generating circuit, obtains the described preset reference voltage that described reference voltage generating circuit produces; Then follow voltage and described preset reference voltage compares by described, when following voltage described in judging and being greater than described preset reference voltage, export wake-up voltage to be waken up by described flame detecting unit to flame detecting unit; Wherein, the described wake-up voltage exported to described flame detecting unit is negative level.
Preferably, a filtering circuit can also being set and being coupled between described follower and described ultraviolet detection cell board, after the wake-up voltage for inputting described ultraviolet detection cell board carries out filtering process, then exporting to described follower.As shown in Figure 7, for application example of the present invention wakes output circuit composition schematic diagram up.Wherein, the voltage+340V terminal after the DC high voltage generation circuit boosting in Fig. 5 couples mutually with the+340V terminal in Fig. 6 and the+340V terminal in Fig. 7 respectively, and the port one of J1 in Fig. 6 couples mutually with the port one of the J4 in Fig. 7.Through to wake-up voltage filtering, remove interference, reliably can detect the faint ultra-violet light-emitting of peculiar wave band in flame further, thus the confidence level of fire detection can be further increased.
Embodiment of the present invention technique scheme adopts when the pulsed quantity that the ultraviolet detecting the specific band in flame sends and lasting time of origin, exports wake-up voltage to waking output circuit up, wake wake-up voltage that described ultraviolet detection cell board inputs by output circuit up and preset reference voltage compares, when the wake-up voltage of the ultraviolet detection cell board input judged is greater than preset reference voltage, wake-up voltage is exported with the technological means waken up by flame detecting unit to flame detecting unit, by by this atomic power consumption flame detector of flame detecting wake module, be designed to a ultraviolet ON/OFF sensor, reliably can detect the faint ultra-violet light-emitting of peculiar wave band in flame, thus it can be applied in fire-alarm ideally, to set on fire supervision, in the combustion monitor equipment of burner, improve the confidence level of fire detection.It has the extremely narrow sensitivity width to ultraviolet light wave band 180nm-260nm, and completely insensitive to visible ray.Because make use of electric discharge phenomena, it can obtain very high sensitivity and enough large output, thus just can realize the flame ultraviolet detection of high sensitivity and response fast by simple micropower circuit.It reliably can detect the faint ultra-violet light-emitting in flame, thus it can be applied in fire-alarm ideally, supervision of setting on fire, in the combustion monitor equipment of burner.Can also be used in the phenomenons such as the electric discharge detecting such as ultra-high-tension power transmission line.
As shown in Figure 8, for a kind of fire prevention partition method process flow diagram based on above-mentioned fire alarm method of the embodiment of the present invention, described fire prevention partition method comprises: the pulsed quantity sent when the ultraviolet of specific band in the flame that described flame detecting unit detects and lasting time of origin reach predetermined value and after waken system enters duty, spray unit self-orientation Control Nozzle is utilized to be that level sprays water-based extinguishing agent to 60 ° of fan-shaped orientations, form fire-blocking belt, to stop spreading of fire, specifically comprise:
801, utilize the housing of spray unit, described flame detecting unit is arranged in described housing;
802, one extinguishing agent storage tank is set in described housing;
803, one fire extinguishing agent being set and automatically controlling directed spray nozzle in described case top, being connected with described extinguishing agent storage tank by spraying Controlling solenoid valve;
804, one control module is set in described housing;
805, one power module is set in described housing, powers to described control module, so that described control module is by after the detectable signal waken system of described flame detecting unit, controlled the unlatching of described sprinkling Controlling solenoid valve by described control module; After being waken up and entering duty, the condition of a fire bearing signal sent according to four direction flame detecting unit and wind direction signals open sprinkling Controlling solenoid valve, and utilize described extinguishing agent storage tank, self-orientation Control Nozzle to spray water-based extinguishing agent to condition of a fire azimuthal orientation, form fire-blocking belt, to stop spreading of fire.
As shown in Figure 9, be a kind of fire-blocking belt of embodiment of the present invention forming apparatus detonation configuration schematic diagram; Figure 10 is a kind of fire-blocking belt of embodiment of the present invention forming apparatus one-piece construction schematic diagram.Described fire-blocking belt forming apparatus comprises: spray unit and flame detecting unit 915, wherein, this spray unit comprises: housing 91, extinguishing agent storage tank 92, water-ice fire extinguishing agent 93, high pressure nitrogen 94, head lower cover 95, filler retaining valve 96, accumulator 97, head upper cover 98, anti-bird arresting device 99, fire extinguishing agent controls directed spray nozzle 910 automatically, support 911, direction inductor 912, solar panel 913, carry out fire alarm, ground magnetic orientation, wind direction measures, wireless telecommunications, the control module 914 controlled is sprayed in fire extinguishing agent isolation strip, flame detecting unit 915, warming wakes inductor up and wind direction measures inductor 916, spray Controlling solenoid valve 917, wherein, it is that level back and forth strafes swing arm nozzles to 60 degree that fire extinguishing agent controls directed spray nozzle 910 automatically for self-orientation controls spray nozzle, 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 panel 913), sprinkling Controlling solenoid valve 917 are all arranged in housing 91.The agent of water-ice 60 ° of angle directional fire-extinguishings automatically controls directed spray nozzle 910 and is arranged on housing 91 top, and fire extinguishing agent automatically controls directed spray nozzle 910 and is connected with extinguishing agent storage tank 92 by spraying Controlling solenoid valve 917.Flame detecting unit 915 is arranged on interior four outward directions of housing 91, ultraviolet light when occurring for the forest fire detecting initial stage in flame.Carry out fire alarm, magnetic orientation, wind direction mensuration, wireless telecommunications, fire extinguishing agent isolation strip spray after the control module 914 controlled waken up by flame detecting unit 915, control to spray the unlatching of Controlling solenoid valve 917.Power module (accumulator 97, solar panel 913) is arranged in housing 91, powers to control module 914.
When occurring without fire, flame detecting unit 915 is in Micro Energy Lose duty, and the modules such as spray unit or unit are in without power consumption dormant state.
Preferably, a wind direction determination unit is set, is fixed on described spray nozzle top by described housing; Arrange an earth magnetism locating module and described control module be connected by PCB and be jointly fixed on housing dish bone.As shown in Figure 9, embodiment of the present invention direction inductor 912 is fixed on fire extinguishing agent self-orientation by housing 91 and controls spray nozzle 910 top, carry out fire alarm, magnetic orientation, wind direction mensurations, wireless telecommunications, fire extinguishing agent isolation strip spray the control module 914 controlled and connected by PCB and be also jointly fixed on housing dish bone.In addition, the present invention also comprises solar panel 913, is arranged on housing 91, for sun power being converted to power storage to accumulator 97.
The surface of the housing 91 of the embodiment of the present invention, except solar module 913, can also be provided with anti-bird arresting device 99.
In addition, the embodiment of the present invention is also provided with communication module for contacting with external communications equipment, carries out the communications such as warning when fire occurs.
In addition, the embodiment of the present invention also offers and is convenient at least four direction perforate that flame detecting unit 915 detects ultraviolet light, so that flame detecting unit 915 detects flame middle-ultraviolet lamp on housing 91.
The embodiment of the present invention passes through spray unit, and corresponding flame detecting unit 915 is set, this flame detecting unit 915 is made up of flame detecting wake module and computing module, when forest early period of origination fire, the extremely narrow band ultraviolet sent in flame detecting wake module detection flame, then sends wake-up voltage; The ultraviolet that computing module calculates in flame according to wake-up voltage continues time of origin, the flame middle-ultraviolet lamp detected when flame detecting unit reaches certain hour predetermined value, namely waken system enters duty, spray unit by upper horizontal to 60 ° of reciprocal rocking arm sprinkler heads of angle, spray water-based extinguishing agent, form diameter and reach the long-pending fire-blocking belt of 40 ~ 50 rice and flour, to stop spreading of initial fire disaster.
The embodiment of the present invention carries out incipient flame detection by flame detecting unit, and when the ultraviolet light when detecting initial fire disaster generation in forest in flame reaches certain hour preset value, waken system enters duty and exports early warning signal; Be waken up in system and enter duty and after sending condition of a fire early warning, geographic position and wind direction condition of a fire information, spray unit is started at once by control module and carries out the sprinkling of water-based extinguishing agent self-orientation, such as directed sprinkling AFFF MJPZ fire extinguishing agent, 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 can also recognize the various illustrative components, blocks (illustrative logical block) that the embodiment of the present invention is listed, unit, and step can pass through electronic hardware, computer software, or both combinations realize.For the replaceability (interchangeability) of clear displaying hardware and software, above-mentioned various illustrative components (illustrative components), unit and step have universally described their function.Such function is the designing requirement realizing depending on specific application and whole system by hardware or software.Those skilled in the art for often kind of specifically application, can use the function described in the realization of various method, but this realization can should not be understood to the scope exceeding 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 above-mentioned any combination realizes or operates described function.General processor can be microprocessor, and alternatively, this general processor also can be any traditional processor, controller, microcontroller or state machine.Processor also can be realized by the combination of calculation element, such as digital signal processor and microprocessor, multi-microprocessor, and a Digital Signal Processor Core combined by one or more microprocessor, or other similar configuration any realizes.
The software module that method described in the embodiment of the present invention or the step of algorithm directly can embed hardware, processor performs or the combination of both.Software module can be stored in the storage medium of other arbitrary form in RAM storer, flash memory, ROM storer, eprom memory, eeprom memory, register, hard disk, moveable magnetic disc, CD-ROM or this area.Exemplarily, storage medium can be connected with processor, with make processor can from storage medium reading information, and write information can be deposited to storage medium.Alternatively, storage medium can also be integrated in processor.Processor and storage medium can be arranged in ASIC, and ASIC can be arranged in user terminal.Alternatively, processor and storage medium also can be arranged in the different parts in user terminal.
In one or more exemplary design, the above-mentioned functions described by the embodiment of the present invention can realize in the combination in any of hardware, software, firmware or this three.If realized in software, these functions can store on the medium with computer-readable, or are transmitted on the medium of computer-readable with one or more instruction or code form.Computer readable medium comprises computer storage medium and is convenient to make to allow computer program transfer to the telecommunication media in other place from a place.Storage medium can be that any general or special computer can the useable medium of access.Such as, such computer readable media can include but not limited to RAM, ROM, EEPROM, CD-ROM or other optical disc storage, disk storage or other magnetic storage device, or other anyly may be used for carrying or store the medium that can be read the program code of form with instruction or data structure and other by general or special computer or general or special processor.In addition, any connection can be properly termed computer readable medium, such as, if software is by a concentric cable, fiber optic cables, twisted-pair feeder, Digital Subscriber Line (DSL) or being also comprised in defined computer readable medium with wireless way for transmittings such as such as infrared, wireless and microwaves from a web-site, server or other remote resource.Described video disc (disk) and disk (disc) comprise Zip disk, radium-shine dish, CD, DVD, floppy disk and Blu-ray Disc, and disk is usually with magnetic duplication data, and video disc carries out optical reproduction data with laser usually.Above-mentioned combination also can be included in computer readable medium.
Above-described embodiment; object of the present invention, technical scheme and beneficial effect are further described; be understood that; the foregoing is only the specific embodiment of the present invention; the protection domain be not intended to limit the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a fire alarm method, is characterized in that, described fire alarm method comprises:
The pulsed quantity that the ultraviolet utilizing flame detecting unit to detect specific band in flame sends and lasting time of origin;
When the pulsed quantity that the ultraviolet of specific band in the flame that described flame detecting unit detects sends and lasting time of origin reach predetermined value, waken system enters duty and exports early warning signal.
2. fire alarm method as claimed in claim 1, it is characterized in that, described when the pulsed quantity that the ultraviolet of specific band in the flame that described flame detecting unit detects sends and lasting time of origin reach predetermined value, waken system enters duty and output alarm signal comprises:
When the pulsed quantity that the ultraviolet of specific band in the flame that described flame detecting unit detects sends and lasting time of origin reach predetermined value, waken system enters duty, utilizes a communication module and external communications equipment to contact to send early warning signal.
3. fire alarm method as claimed in claim 1, it is characterized in that, described flame detecting unit comprises: flame detecting wake module and computing module, wherein: described flame detecting wake module comprises: DC high voltage generation circuit, ultraviolet tube and wake output circuit up; The pulsed quantity that the ultraviolet of the described specific band utilizing flame detecting unit to detect in flame sends and lasting time of origin, when the pulsed quantity that the ultraviolet of specific band in the flame that described flame detecting unit detects sends and lasting time of origin reach predetermined value, waken system enters duty and comprises:
Utilize described DC high voltage generation circuit to boost to power input voltage, the voltage after then utilizing boosting outputs to described ultraviolet tube respectively and the described output circuit that wakes up is powered;
Described ultraviolet tube is coupled to described DC high voltage generation circuit, when the pulsed quantity that the ultraviolet detecting the specific band in flame sends and lasting time of origin, exports wake-up level signal to the described output circuit that wakes up;
Wake output circuit described in arranging up and be coupled to described DC high voltage generation circuit and described ultraviolet tube, the pulse voltage of waking up inputted by described ultraviolet tube compares with preset reference voltage after filtering circuit process, when judging that the wake-up voltage of described ultraviolet tube input is greater than described preset reference voltage, export wake-up voltage to be waken up by described flame detecting unit to computing module;
The pulsed quantity that the ultraviolet of the specific band utilizing described computing module to calculate in flame according to described wake-up voltage sends and lasting time of origin, the pulsed quantity sent when the ultraviolet of specific band in the flame that described flame detecting unit detects reaches predetermined value, and namely waken system enters duty.
4. fire alarm method as claimed in claim 3, it is characterized in that, the ultraviolet of described specific band is the ultraviolet of 180nm-260nm wavelength range; The power input voltage of described DC high voltage generation circuit is 5V, and the voltage after boosting is 340V; Described flame detecting awakening method also comprises:
One flame ultraviolet detection plate is set, described ultraviolet tube is placed on described flame ultraviolet detection plate.
5. fire alarm method as claimed in claim 3, is characterized in that,
One follower is coupled to described flame ultraviolet detection plate, exports follow voltage for following the change of the wake-up voltage of described flame ultraviolet detection plate input;
One reference voltage generating circuit being set, producing described preset reference voltage for utilizing power input voltage;
One comparer is set, described comparer positive pole is coupled to described follower, obtain the change of the wake-up voltage of following the input of described flame ultraviolet detection plate and export and follow voltage; Described comparer negative pole is coupled to described reference voltage generating circuit, obtains the described preset reference voltage that described reference voltage generating circuit produces; Then follow voltage and described preset reference voltage compares by described, when following voltage described in judging and being greater than described preset reference voltage, export wake-up voltage to be waken up by described flame detection device to flame detection device; Wherein, the described wake-up voltage exported to described flame detection device is negative level.
6. fire alarm method as claimed in claim 5, is characterized in that,
Arranging a filtering circuit is coupled between described follower and described flame ultraviolet detection plate, after carrying out filtering process to the wake-up voltage of described flame ultraviolet detection plate input, then exports to described follower.
7., based on a fire prevention partition method for fire alarm method according to any one of claim 1-6, it is characterized in that, described fire prevention partition method comprises:
The pulsed quantity sent when the ultraviolet of specific band in the flame that described flame detecting unit detects and lasting time of origin reach predetermined value and after waken system enters duty, the self-orientation Control Nozzle of spray unit is utilized to spray water-based extinguishing agent to condition of a fire orientation, form fire-blocking belt, to stop spreading of fire, specifically comprise:
Utilize 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 fire extinguishing agent being set and automatically controlling directed spray nozzle in described case top, being connected with described extinguishing agent storage tank by spraying Controlling solenoid valve;
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 after the detectable signal waken system of described flame detecting unit, controlled the unlatching of described sprinkling Controlling solenoid valve by described control module; After being waken up and entering duty, the condition of a fire bearing signal sent according to four direction flame detecting unit and wind direction signals open sprinkling Controlling solenoid valve, and utilize described extinguishing agent storage tank, self-orientation Control Nozzle to spray water-based extinguishing agent to condition of a fire azimuthal orientation, form fire-blocking belt, to stop spreading of fire.
8. prevent fires as claimed in claim 7 partition method, it is characterized in that, described fire prevention partition method also comprises:
When occurring without fire, described flame detecting unit is in Micro Energy Lose duty, and each for described system unit is in without power consumption dormant state.
9. prevent fires as claimed in claim 7 partition method, it is characterized in that, described fire prevention partition method also comprises:
One wind direction determination unit is set, is fixed on described fire extinguishing agent spray nozzle top by described housing;
Arrange an earth magnetism locating module and described control module be connected by PCB and be jointly fixed on housing dish bone.
10. prevent fires as claimed in claim 1 partition method, it is characterized in that, it is that level is to 60 ° of angle reciprocating rotary swing arm nozzles that described fire extinguishing agent controls directed spray nozzle automatically; Described housing comprises tube body and mushroom-shaped end; Described fire prevention partition method also comprises:
Solar module is arranged on the housing, for sun power being converted to power storage to described power module;
On the surface of described mushroom-shaped end, anti-bird arresting device is also set;
Also offer at least four direction perforate on the housing, so that the described flame detecting unit detection condition of a fire.
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| CN201410392514.6A CN104217526B (en) | 2014-08-11 | 2014-08-11 | Fire early warning method and fire isolating method |
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| CN201410392514.6A CN104217526B (en) | 2014-08-11 | 2014-08-11 | Fire early warning method and fire isolating method |
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| CN104217526B (en) | 2017-01-25 |
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