CN104436500A - Fire identification method - Google Patents
Fire identification method Download PDFInfo
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- CN104436500A CN104436500A CN201310446022.6A CN201310446022A CN104436500A CN 104436500 A CN104436500 A CN 104436500A CN 201310446022 A CN201310446022 A CN 201310446022A CN 104436500 A CN104436500 A CN 104436500A
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- control system
- gas
- bottle
- fire
- fire disaster
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/04—Control of fire-fighting equipment with electrically-controlled release
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- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention discloses a fire identification method. The method comprises the following steps: using a temperature probe to form a current signal according to thermo-induction and feed the current signal back to a control system; starting a timer to delay the time after the control system receives the signal, allowing the control system not to be operated by a person after the time is delayed or allowing an operator to press a fire extinguish button; allowing the control system to start a fire extinguishing device to extinguish fire. The fire identification method disclosed by the invention is quite high in accuracy and can be used for effectively preventing the phenomenon of mistaken ejection.
Description
Technical field
The present invention relates to technical field of fire control, particularly relate to a kind of method for recognizing fire disaster.
Background technology
There is many deficiencies in existing method for recognizing fire disaster, especially method for recognizing fire disaster in the extinguishing device of kitchen: control system all adopts mechanical linkage type, fire condition is identified in the mechanical linkage mode of fuse metal sheet, fuse metal sheet by big fire fuse backward control system give the alarm and implement fire extinguishing, the accuracy of this method for recognizing fire disaster is low, especially under the extinguishing device condition of current kitchen, with the cooking method of Chinese cook, this fire identification device also exists a large problem: namely on cooking stove, normal naked light often causes kitchen extinguishing device misoperation, and cannot stop spraying, therefore, the mistake spray rate of method for recognizing fire disaster is high, very large economic loss is caused to user.
Summary of the invention
In view of current method for recognizing fire disaster above shortcomings, the invention provides the method for recognizing fire disaster that a kind of accuracy is very high, effectively prevent spray phenomenon by mistake.
For achieving the above object, embodiments of the invention adopt following technical scheme:
A kind of method for recognizing fire disaster, the method comprises:
Temp probe forms current signal to thermoinduction and feeds back to control system;
After described control system Received signal strength, start timer time delay, after time delay, unattended control system or operating personnel press fire button, and control system starts extinguishing device and puts out a fire.
According to one aspect of the present invention, after described control system Received signal strength, while starting timer time delay, start the cut-out starter gate valve on gas ductwork, turn off gas valve, cut off the electricity supply.
According to one aspect of the present invention, after described control system Received signal strength, start timer time delay 10-60 second.
According to one aspect of the present invention, described extinguishing device comprises spiral atomizer, gas bottle, extinguishing chemical bottle and gas starter gate valve, described gas starting valve is arranged on the bottleneck of gas bottle, gas bottle is connected by pipeline with extinguishing chemical bottle, and extinguishing chemical bottle is connected with the grid before spiral atomizer by pipeline; Described gas starting valve is connected with control system by holding wire.
According to one aspect of the present invention, described gas bottle is nitrogen pressure bottle or argon pressure bottle, and the pressure of gas bottle remains between 1.8Mpa-2.0Mpa.
According to one aspect of the present invention, described temp probe is thermocouple.
According to one aspect of the present invention, described control system is single-chip microcomputer industrial control board.
Advantage of the invention process: after control system Received signal strength of the present invention, starts timer time delay 10-60 second, while the time delay of startup timer, starts the cut-out starter gate valve on gas ductwork, turns off gas valve, cuts off the electricity supply; After time delay, unattended control system or operating personnel press fire button, control system start extinguishing device put out a fire, therefore the accuracy of method for recognizing fire disaster of the present invention very high, effectively prevent from spraying phenomenon by mistake.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, be briefly described to the accompanying drawing used required in embodiment 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 the schematic diagram of a kind of method for recognizing fire disaster of the present invention;
Fig. 2 is the schematic diagram that method for recognizing fire disaster of the present invention is applied to kitchen extinguishing device.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.
As shown in Figure 1 and Figure 2, a kind of method for recognizing fire disaster, the method comprises:
Temp probe 11 pairs of thermoinductions form current signal and feed back to control system 8;
After described control system 8 Received signal strength, start timer time delay, after time delay, unattended control system 8 or operating personnel press fire button, and control system 8 starts extinguishing device and puts out a fire.
Be described further below by embodiment:
Embodiment one: a kind of method for recognizing fire disaster, the method comprises the following steps:
Step S1: temp probe 11 pairs of thermoinductions form current signal and feed back to control system 8;
Temp probe 11 of the present invention adopts thermocouple, and thermocouple is a kind of temperature-sensing element, its direct measuring tempeature, and temperature signal is converted to thermo-electromotive force signal, converted to the temperature of measured medium by instrument, the preferred platinum thermocouple of thermocouple, is arranged on the top of the kitchen range top; Control system 8 adopts ATC9852 single-chip microcomputer industrial control board, the voltage of input, output is all DC24V, the input of single-chip microcomputer industrial control board has eight input points, and main input quantity has: temperature detection output signal, start button, stop button, the time relay etc.; Output has six output points, and main output quantity has: drive alarm, cooling water valve, gas starting valve 3, fuel gas shutoff starter gate valve 6, be the indicator lamps such as kitchen power-off and fire extinguishing, and control system 8 of the present invention adopts the watchdog technique preventing from crashing.When fire occurs, thermocouple Yin Wendu rising resistance changes, form current changing signal, signal passes on the temperature measurer of single-chip microcomputer industrial control board, can instrument board displays temperature numerical value be passed through, pass the signal to the input of single-chip microcomputer industrial control board simultaneously, effectively prevent external factor on the impact of thermocouple, guarantee signal transmission is accurate, improves the accuracy of method for recognizing fire disaster; Compared with fuse metal sheet, it is little that thermocouple also has volume, is not easy accumulation grease, easily cleans, and the mistake of kitchen extinguishing device can not be caused to spray.
Step S2: after described control system 8 Received signal strength, start timer time delay, after time delay, unattended control system 8 or operating personnel press fire button, and control system 8 starts extinguishing device and puts out a fire.
Extinguishing device of the present invention comprises spiral atomizer 10, gas bottle 4, extinguishing chemical bottle 5 and gas starter gate valve 3, gas bottle 4 is nitrogen pressure bottle or argon pressure bottle, preferred gas bottle 4 is nitrogen pressure bottle, the pressure of gas bottle 4 remains between 1.8Mpa-2.0Mpa, gas starting valve 3 is arranged on the bottleneck of gas bottle 4, gas bottle 4 is connected by pipeline with extinguishing chemical bottle 5, extinguishing chemical bottle 5 is connected with the grid 1 before spiral atomizer 10 by pipeline, and gas starting valve 3 is connected with control system 8 by holding wire 9.After control system 8 Received signal strength, start timer time delay 10-60 second, the chance of the fire true and false is judged to operating personnel, allow operating personnel make and stop fire extinguishing or fire-extinguishing operations, if unattended control system 8 or operating personnel press fire button after time delay, control system 8 starts extinguishing device and puts out a fire, and this shows that the accuracy of method for recognizing fire disaster of the present invention is very high, effectively prevents from spraying phenomenon by mistake, control system 8 indicates gas starting valve 3 to open gas bottle 4, the valve of nitrogen pressure bottle opened by gas starting valve 3, high pressure nitrogen flows out from nitrogen pressure bottle, extinguishing chemical bottle 5 is poured by pipeline, high pressure nitrogen pressurizes to the liquid surface of extinguishing chemical after pouring extinguishing chemical bottle 5, extinguishing chemical enters fire extinguishing pipe network by the check valve 2 on pipe network under the pressure of nitrogen, at a high speed by spiral atomizer 10 under the effect of 1-1.2MPa gas pressure, spiral atomizer 10 can produce the water Pcnten-1 yne-4 of variable grain size, superfine water smoke drips and fills the air above space or whole space suppresses radiant heat and isolated, oxygen is stoped to enter combustion zone, the water smoke of medium grain size drips and penetrates the direct absorbing and cooling temperature of flame, vaporization forms steam expansion and gets rid of or the oxygen that suffocates, the water smoke of Large stone drips through flame direct projection fuel surface cooling heat absorption, and vaporized expanding deoxygenation, the wherein maximum water smoke of not vaporizing drips and sprays into fuel top layer, thus form three-dimensional fire extinguishing, the little frying pan fire that goes out for 1.5 seconds can be realized, go out fire of deeply complaining and quarrel loudly for 1.8 seconds, go out large frying pan fire for 2 seconds, the efficiency of extinguishing device is high.Valve open after fire extinguishing on grid 1, water carries out cleaning by spiral atomizer 10 pairs of extinguishants and lowers the temperature, and completes whole fire extinguishing procedure, in actual applications, timer T1 can according to the difference of extinguishant setting-up time, general timer T1 time delay 30 seconds.
Embodiment two: a kind of method for recognizing fire disaster, the method comprises the following steps:
Steps A 1: temp probe 11 pairs of thermoinductions form current signal and feed back to control system 8;
Temp probe 11 of the present invention adopts thermocouple, and thermocouple is a kind of temperature-sensing element, its direct measuring tempeature, and temperature signal is converted to thermo-electromotive force signal, converted to the temperature of measured medium by instrument, the preferred platinum thermocouple of thermocouple, is arranged on the top of the kitchen range top; Control system 8 adopts ATC9852 single-chip microcomputer industrial control board, the voltage of input, output is all DC24V, the input of single-chip microcomputer industrial control board has eight input points, and main input quantity has: temperature detection output signal, start button, stop button, the time relay etc.; Output has six output points, and main output quantity has: drive alarm, cooling water valve, gas starting valve 3, fuel gas shutoff starter gate valve 6, be the indicator lamps such as kitchen power-off and fire extinguishing, and control system 8 of the present invention adopts the watchdog technique preventing from crashing.When fire occurs, thermocouple Yin Wendu rising resistance changes, form current changing signal, signal passes on the temperature measurer of single-chip microcomputer industrial control board, can instrument board displays temperature numerical value be passed through, pass the signal to the input of single-chip microcomputer industrial control board simultaneously, effectively prevent external factor on the impact of thermocouple, guarantee signal transmission is accurate, improves the accuracy of method for recognizing fire disaster; Compared with fuse metal sheet, it is little that thermocouple also has volume, is not easy accumulation grease, easily cleans, and the mistake of kitchen extinguishing device can not be caused to spray.
Steps A 2: after described control system 8 Received signal strength, while starting timer time delay, starts the cut-out starter gate valve 6 on gas ductwork 7, turns off gas valve, cuts off the electricity supply;
The gas ductwork 7 of kitchen of the present invention extinguishing device is provided with and cuts off starter gate valve 6, cut off starter gate valve 6 to be connected with control system 8 by holding wire 9, after fire occurs, after control system 8 Received signal strength, start timer time delay 10-60 second, judge the chance of the fire true and false to operating personnel, allow operating personnel make and stop fire extinguishing or fire-extinguishing operations, in actual applications, timer T1 can according to the difference of extinguishant setting-up time, general timer T1 time delay 30 seconds; While the time delay of startup timer, start the cut-out starter gate valve 6 on gas ductwork 7, turn off gas valve, cut off the electricity supply, prevent fire from expanding further, for fire extinguishing provides favourable condition.
Steps A 3: after timer time delay, unattended control system 8 or operating personnel press fire button, control system 8 starts extinguishing device and puts out a fire.
Extinguishing device of the present invention comprises spiral atomizer 10, gas bottle 4, extinguishing chemical bottle 5 and gas starter gate valve 3, gas bottle 4 is nitrogen pressure bottle or argon pressure bottle, preferred gas bottle 4 is nitrogen pressure bottle, the pressure of gas bottle 4 remains between 1.8Mpa-2.0Mpa, gas starting valve 3 is arranged on the bottleneck of gas bottle 4, gas bottle 4 is connected by pipeline with extinguishing chemical bottle 5, extinguishing chemical bottle 5 is connected with the grid 1 before spiral atomizer 10 by pipeline, and gas starting valve 3 is connected with control system 8 by holding wire 9.After control system 8 Received signal strength, after starting timer time delay 10-60 second, unattended control system 8 or operating personnel press fire button, control system 8 starts extinguishing device and puts out a fire, and this shows that the accuracy of method for recognizing fire disaster of the present invention is very high, effectively prevents from spraying phenomenon by mistake, control system 8 indicates gas starting valve 3 to open gas bottle 4, the valve of nitrogen pressure bottle opened by gas starting valve 3, high pressure nitrogen flows out from nitrogen pressure bottle, extinguishing chemical bottle 5 is poured by pipeline, high pressure nitrogen pressurizes to the liquid surface of extinguishing chemical after pouring extinguishing chemical bottle 5, extinguishing chemical enters fire extinguishing pipe network by the check valve 2 on pipe network under the pressure of nitrogen, at a high speed by spiral atomizer 10 under the effect of 1-1.2MPa gas pressure, spiral atomizer 10 can produce the water Pcnten-1 yne-4 of variable grain size, superfine water smoke drips and fills the air above space or whole space suppresses radiant heat and isolated, oxygen is stoped to enter combustion zone, the water smoke of medium grain size drips and penetrates the direct absorbing and cooling temperature of flame, vaporization forms steam expansion and gets rid of or the oxygen that suffocates, the water smoke of Large stone drips through flame direct projection fuel surface cooling heat absorption, and vaporized expanding deoxygenation, the wherein maximum water smoke of not vaporizing drips and sprays into fuel top layer, thus form three-dimensional fire extinguishing, the little frying pan fire that goes out for 1.5 seconds can be realized, go out fire of deeply complaining and quarrel loudly for 1.8 seconds, go out large frying pan fire for 2 seconds, the efficiency of extinguishing device is high.Valve open after fire extinguishing on grid 1, water carries out cleaning cooling by spiral atomizer 10 pairs of extinguishants, completes whole fire extinguishing procedure.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, the technical staff of any skilled is in technical scope disclosed by the invention; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of described claim.
Claims (7)
1. a method for recognizing fire disaster, the method comprises:
Temp probe forms current signal to thermoinduction and feeds back to control system;
After described control system Received signal strength, start timer time delay, after time delay, unattended control system or operating personnel press fire button, and control system starts extinguishing device and puts out a fire.
2. method for recognizing fire disaster according to claim 1, is characterized in that, after described control system Received signal strength, while starting timer time delay, starts the cut-out starter gate valve on gas ductwork, turns off gas valve, cuts off the electricity supply.
3. method for recognizing fire disaster according to claim 2, is characterized in that, after described control system Received signal strength, starts timer time delay 10-60 second.
4. method for recognizing fire disaster according to claim 2, it is characterized in that, described extinguishing device comprises spiral atomizer, gas bottle, extinguishing chemical bottle and gas starter gate valve, described gas starting valve is arranged on the bottleneck of gas bottle, gas bottle is connected by pipeline with extinguishing chemical bottle, and extinguishing chemical bottle is connected with the grid before spiral atomizer by pipeline; Described gas starting valve is connected with control system by holding wire.
5. method for recognizing fire disaster according to claim 4, it is characterized in that, described gas bottle is nitrogen pressure bottle or argon pressure bottle, and the pressure of gas bottle remains between 1.8Mpa-2.0Mpa.
6. according to the arbitrary described method for recognizing fire disaster of claim 1 to 5, it is characterized in that, described temp probe is thermocouple.
7. method for recognizing fire disaster according to claim 6, it is characterized in that, described control system is single-chip microcomputer industrial control board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310446022.6A CN104436500A (en) | 2013-09-23 | 2013-09-23 | Fire identification method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310446022.6A CN104436500A (en) | 2013-09-23 | 2013-09-23 | Fire identification method |
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| CN104436500A true CN104436500A (en) | 2015-03-25 |
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| CN201310446022.6A Pending CN104436500A (en) | 2013-09-23 | 2013-09-23 | Fire identification method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107233686A (en) * | 2017-08-08 | 2017-10-10 | 威特龙消防安全集团股份公司 | A kind of fire extinguishing system preventing from mistake in jetting control method |
| CN114432629A (en) * | 2021-12-31 | 2022-05-06 | 王晶 | System capable of implementing accurate fire extinguishing in laboratory |
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| CN101489631A (en) * | 2006-07-12 | 2009-07-22 | 弗格泰布兰舒尔茨有限公司 | A method and device for fire fighting |
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2013
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Patent Citations (4)
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| US5697450A (en) * | 1993-04-28 | 1997-12-16 | Twenty First Century International Fire Equipement And Services Corp. | Fire extinguishing systems and methods |
| CN101291707A (en) * | 2005-08-30 | 2008-10-22 | 联邦快递公司 | Fire sensor, fire detection system, fire suppression system, and combinations thereof |
| CN101489631A (en) * | 2006-07-12 | 2009-07-22 | 弗格泰布兰舒尔茨有限公司 | A method and device for fire fighting |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107233686A (en) * | 2017-08-08 | 2017-10-10 | 威特龙消防安全集团股份公司 | A kind of fire extinguishing system preventing from mistake in jetting control method |
| CN114432629A (en) * | 2021-12-31 | 2022-05-06 | 王晶 | System capable of implementing accurate fire extinguishing in laboratory |
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Application publication date: 20150325 |
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