CN102151380A - Flue fire detecting and automatic fire preventing and extinguishing system - Google Patents
Flue fire detecting and automatic fire preventing and extinguishing system Download PDFInfo
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- CN102151380A CN102151380A CN 201110077003 CN201110077003A CN102151380A CN 102151380 A CN102151380 A CN 102151380A CN 201110077003 CN201110077003 CN 201110077003 CN 201110077003 A CN201110077003 A CN 201110077003A CN 102151380 A CN102151380 A CN 102151380A
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Abstract
The invention discloses a flue fire detecting and automatic fire preventing and extinguishing system. A nitrogen outlet of a high-pressure nitrogen starting bottle of the flue fire detecting and automatic fire preventing and extinguishing system is communicated with a container valve of a high-pressure nitrogen driving bottle through an electromagnetic valve, a nitrogen outlet of the high-pressure nitrogen driving bottle is communicated with a nitrogen inlet of a water storage bottle through a reducing valve, a high-pressure water pipe is connected to a water outlet of the water storage bottle and is provided with a ball valve at the position close to the water outlet of the water storage bottle, an alarm detector is connected to the ball valve, the high-pressure water pipe is provided with thin water mist sprayers at intervals along the length direction, the thin water mist sprayers are at intervals fixed on the outer wall of a flue along the length direction of the flue and nozzles of the thin water mist sprayers penetrate in the flue through the pipe wall; first thermoelectric couples are connected to the alarm detector and at intervals fixed on the outer wall of the flue along the length direction of the flue and probes of the first thermoelectric couples penetrate in the flue through the pipe wall. The invention can be used for carrying out detection and fire prevention and extinguishment on fire in the flue, has no pollution to the environment, and can be used for purifying environment inside the flue after the fire.
Description
Technical field
The present invention relates to the anti-fire extinguishing system of a kind of intelligence, be particularly useful for the flue fire disaster intelligently and survey and anti-fire extinguishing automatically.
Background technology
Along with the fast development of the catering trade, kitchen flue fire takes place frequently all the more.Main cause is that the kitchen in use can produce a large amount of oil smoke greases, when fume pipeline is discharged, can be adsorbed on the flue inwall, and through long-term accumulation, the grease of absorption in a single day runs into high temperature or naked light burns, and can not get control just can initiation fire.Present way is to utilize the water tank voltage supply, forms the intensive network of rivers at the flue air inlet, and flue gas can reduce its temperature through out-of-date, and the Mars that carries is extinguished, and unnecessary water is recovered to water tank from the accumulator tank in the flue, thereby reaches the generation that prevents the flue fire.But the anti-fire extinguishing system of flue in the past can not be monitored the flue temperature inside, needs in running order always, cause the waste of water resource, and contain foreign material such as grease in the water that refluxes, the delivery port that is easy to arrange in the flue stops up, cause systemic breakdown, can't operate as normal.
Summary of the invention
Can not be in order to solve the anti-fire extinguishing system of existing flue to the control of monitoring in real time and prevent timely and effectively and put out a fire of flue temperature inside, the purpose of this invention is to provide a kind of flue detection and automatically anti-fire extinguishing system, it can measure the flue internal temperature, thereby prevents and put out a fire control timely and effectively.
For achieving the above object, the technical solution adopted in the present invention is: this flue detection and automatically anti-fire extinguishing system comprise that high pressure nitrogen starts bottle, high pressure nitrogen drives bottle, water-storage pot and alarm detector, the gas outlet that described high pressure nitrogen starts bottle is communicated with the container value that high pressure nitrogen drives bottle through magnetic valve, the gas outlet that described high pressure nitrogen drives bottle is communicated with the air inlet of water-storage pot via pressure-reducing valve, the delivery port of described water-storage pot is connected with high-pressure water pipe, described high-pressure water pipe is equipped with globe valve in its position near the delivery port of water-storage pot, described globe valve is connected with alarm detector, described high-pressure water pipe is equipped with fine mist spray head along its length direction compartment of terrain, and described fine mist spray head is fixed on the outer wall of described flue along the length direction compartment of terrain of described flue and the nozzle of described fine mist spray head sees through tube wall and pierces in the described flue; Described alarm detector is connected with first thermocouple, and described first thermocouple is fixed on the outer wall of described flue along the length direction compartment of terrain of described flue and the probe of described first thermocouple sees through tube wall and pierces in the described flue.
Further, the magnetic valve on the high pressure nitrogen startup bottle of the present invention is connected with manual starter.
The present invention is used to prevent that the control circuit of fire extinguishing comprises described flue detection and automatically anti-fire extinguishing system, single-chip microcomputer, signal processing circuit, second thermocouple, display circuit and warning circuit, described signal processing circuit comprises cold junction compensation circuit, amplifying circuit and D/A converting circuit, described second thermocouple is connected with described amplifying circuit, described amplifying circuit is connected with the input of described D/A converting circuit with described cold junction compensation circuit simultaneously, the output of described D/A converting circuit is connected with the input of described single-chip microcomputer, the output of described single-chip microcomputer respectively with display circuit, warning circuit is connected with the magnetic valve of described flue detection and automatically anti-fire extinguishing system.
Compared with prior art, the invention has the beneficial effects as follows: can measure the flue internal temperature, thereby prevent and put out a fire control timely and effectively, environmentally safe, can purify fire generation rear pass internal environment, having overcome the anti-fire extinguishing system of existing flue can not monitor in real time and prevent timely and effectively and the defective of the control of putting out a fire the flue temperature inside.
Description of drawings
Fig. 1 is the structural representation of flue;
Fig. 2 is the right view of Fig. 1;
Fig. 3 is the vertical view of Fig. 2;
Fig. 4 is the structural representation of fine mist spray head of the present invention;
Fig. 5 is the user mode schematic diagram of the anti-fire extinguishing system of the present invention;
Fig. 6 is the schematic diagram of control circuit of the present invention;
Among the figure, 1. high pressure nitrogen starts bottle, and 2. high pressure nitrogen drives bottle, 3. water-storage pot, 4. magnetic valve, 5. manual starter, 6. container value, 7. globe valve, 8. alarm detector, 9. pressure-reducing valve, 10. filter, 11. fine mist spray heads, 12. first thermocouple, 13. blower fan mouths, 14. flues, 15. petticoat pipes, 16. flue folding pipe, 17. flue vertical tubes, 18. flue transverse tubes, 19. the kitchen range top, 20. high-pressure water pipe, the nozzle of 21. fine mist spray heads.
The specific embodiment
As shown in Figure 5, flue detection of the present invention and automatically anti-fire extinguishing system comprise that high pressure nitrogen starts bottle 1, high pressure nitrogen drives bottle 2, water-storage pot 3 and alarm detector 8, the gas outlet that high pressure nitrogen starts bottle 1 is communicated with the container value 6 that high pressure nitrogen drives bottle 2 through magnetic valve 4, the gas outlet that high pressure nitrogen drives bottle 2 is communicated with via the air inlet of pressure-reducing valve 9 with water-storage pot 3, the delivery port of water-storage pot 3 is connected with high-pressure water pipe 20, high-pressure water pipe 20 is equipped with globe valve 7 in its position near the delivery port of water-storage pot, globe valve 7 is connected with alarm detector 8, high-pressure water pipe 20 is equipped with fine mist spray head 11 along its length direction compartment of terrain, and fine mist spray head 11 is fixed on the outer wall of flue 14 along the length direction compartment of terrain of flue 14 and the nozzle 21 of fine mist spray head 11 sees through tube wall and pierces in the flue 14; Alarm detector 8 is connected with on first thermocouple, 12, the first thermocouples 12 are fixed on flue 14 along the length direction compartment of terrain of flue 14 the outer wall and the probe of first thermocouple 12 sees through tube wall and pierces in the flue 14.
As shown in Figure 6, the present invention prevents that the control circuit of fire extinguishing mainly reaches automatically anti-fire extinguishing system, single-chip microcomputer, signal processing circuit, second thermocouple, display circuit and warning circuit by the flue detection and forms, wherein, signal processing circuit comprises cold junction compensation circuit, amplifying circuit and D/A converting circuit.For simplifying circuit, signal processing circuit is the MAX6675 thermocouple signal process chip of MAXIM company production preferably, this chip has comprised cold junction compensation circuit, signal amplification circuit and D/A converting circuit, can also directly link to each other simultaneously, when simplifying circuit, improve system accuracy and stability with single-chip microcomputer.Can it be 300~500 ℃ according to flue oil smoke fire disaster simulation test observed temperature in addition, system of the present invention can adopt a kind of K type thermocouple comparatively commonly used as fire detector, described second thermocouple is connected with the amplifying circuit of described signal processing chip MAX6675 inside, the cold junction compensation circuit compensation of described amplifying circuit and described signal processing chip MAX6675 inside is connected with described D/A converting circuit simultaneously, the output of described D/A converting circuit is connected with the input of described singlechip control chip STC89C52, the output of described single-chip microcomputer respectively with display circuit, the magnetic valve 4 that the high pressure nitrogen of warning circuit and described flue detection and automatically anti-fire extinguishing system starts on the bottle 1 is connected.By the effective control to magnetic valve 4, interlock flue detection and automatically anti-fire extinguishing system are put out a fire.
Fig. 1-3 and flue 14 shown in Figure 5 comprise flue folding pipe 16, vertical tube 17 and transverse tube 18, and the air inlet of flue 14 is equipped with petticoat pipe 15, and the other end is a blower fan mouth 13, and petticoat pipe 15 is facing to the kitchen range top 19.In Fig. 5, on outer wall, the fine mist spray head 11 and first thermocouple 12 are installed near the vertical tube 17 of flue 14 air inlets and transverse tube 18, first thermocouple 12 is mainly monitored flue 14 temperature inside, and the thermocouple signal that records is converted into the signal that singlechip control chip STC89C52 can discern by analog digital conversion chip MAX6675, singlechip control chip shows the signal that receives by JHD12864F dot matrix type LCD, and judges whether to touch to make alarm detector 8 send fire alarm signal and whether drive magnetic valve 4 according to the temperature of gathering and open the flue detection and prevent fire extinguishing system automatically.The high pressure nitrogen of opening flue detection and automatically anti-fire extinguishing system through magnetic valve 4 starts bottle 1, the high pressure nitrogen of high pressure nitrogen startup bottle 1 inside is pushed the container value 6 on the high pressure nitrogen driving bottle 2 open, the high pressure nitrogen that high pressure nitrogen drives in the bottle 2 enters water-storage pot 3 through pressure-reducing valve 9, and the liquid-state extinguishing agent in the driving water-storage pot 3, extinguishing chemical filters through filter 10, deliver to the vertical tube 17 of flue 14 and the fine mist spray head 11 of transverse tube 18 tube walls by high-pressure water pipe 20, spray through its nozzle 21, carry out the anti-fire extinguishing of flue.
As shown in Figure 5, the magnetic valve 4 that high pressure nitrogen starts on the bottle 1 also can further be equipped with manual starter 5, takes place to report to the police and control system when botching routines, and can manually start manual starter immediately, open magnetic valve 4, startup flue detection and automatically anti-fire extinguishing system are carried out the flue fire extinguishing.
Claims (3)
1. a flue detection reaches automatically anti-fire extinguishing system, it is characterized in that: comprise that high pressure nitrogen starts bottle, high pressure nitrogen drives bottle, water-storage pot and alarm detector, the gas outlet that described high pressure nitrogen starts bottle is communicated with the container value that high pressure nitrogen drives bottle through magnetic valve, the gas outlet that described high pressure nitrogen drives bottle is communicated with the air inlet of water-storage pot via pressure-reducing valve, the delivery port of described water-storage pot is connected with high-pressure water pipe, described high-pressure water pipe is equipped with globe valve in its position near the delivery port of water-storage pot, described globe valve is connected with alarm detector, described high-pressure water pipe is equipped with fine mist spray head along its length direction compartment of terrain, and described fine mist spray head is fixed on the outer wall of described flue along the length direction compartment of terrain of described flue and the nozzle of described fine mist spray head sees through tube wall and pierces in the described flue; Described alarm detector is connected with first thermocouple, and described first thermocouple is fixed on the outer wall of described flue along the length direction compartment of terrain of described flue and the probe of described first thermocouple sees through tube wall and pierces in the described flue.
2. flue detection according to claim 1 and automatically anti-fire extinguishing system, it is characterized in that: the magnetic valve that described high pressure nitrogen starts on the bottle is connected with manual starter.
3. one kind is used the flue detection of claim 1 or 2 and automatically anti-fire extinguishing system to carry out the control circuit of anti-fire extinguishing automatically, it is characterized in that: comprise described flue detection and automatically anti-fire extinguishing system, single-chip microcomputer, signal processing circuit, second thermocouple, display circuit and warning circuit, described signal processing circuit comprises cold junction compensation circuit, amplifying circuit and D/A converting circuit, described second thermocouple is connected with described amplifying circuit, described amplifying circuit is connected with the input of described D/A converting circuit with described cold junction compensation circuit simultaneously, the output of described D/A converting circuit is connected with the input of described single-chip microcomputer, the output of described single-chip microcomputer respectively with display circuit, warning circuit is connected with the magnetic valve of described flue detection and automatically anti-fire extinguishing system.
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CN 201110077003 CN102151380A (en) | 2011-03-29 | 2011-03-29 | Flue fire detecting and automatic fire preventing and extinguishing system |
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CN 201110077003 CN102151380A (en) | 2011-03-29 | 2011-03-29 | Flue fire detecting and automatic fire preventing and extinguishing system |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103285547A (en) * | 2012-03-02 | 2013-09-11 | 程琰 | Safety monitoring system and method of transportation pipeline |
CN104069601A (en) * | 2013-03-29 | 2014-10-01 | 沈阳铝镁设计研究院有限公司 | Flue gas purification system extinguishing device and method |
CN104809842A (en) * | 2015-05-08 | 2015-07-29 | 苏州首旗信息科技有限公司 | Combustible gas fire alarm monitoring system |
CN107875543A (en) * | 2017-11-09 | 2018-04-06 | 山东金力特管业有限公司 | A kind of flue fire plant |
CN111053986A (en) * | 2020-01-06 | 2020-04-24 | 温州中绿环保科技有限公司 | Waste gas treatment system with fire-fighting system and fire extinguishing method thereof |
CN111649595A (en) * | 2020-07-15 | 2020-09-11 | 洛阳万基炭素有限公司 | Annular smoke-discharging automatic fire extinguishing device and method for prebaked anode furnace chamber |
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GB2266238A (en) * | 1992-04-16 | 1993-10-27 | Heinz Gillessen | A chimney fire extinguishing system |
CN2766894Y (en) * | 2004-12-15 | 2006-03-29 | 帅春明 | Automatic fire-extinguishing device for ventilator pipe |
CN201094822Y (en) * | 2007-08-02 | 2008-08-06 | 孙巨岗 | Fire extinguisher |
CN101476945A (en) * | 2009-01-09 | 2009-07-08 | 长安大学 | Brake drum temperature measurement apparatus based on wireless transmission |
CN202028088U (en) * | 2011-03-29 | 2011-11-09 | 中国计量学院 | Flue fire preventing and extinguishing device and circuit control system thereof |
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2011
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Patent Citations (6)
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US4872513A (en) * | 1986-02-19 | 1989-10-10 | Wilfred J. Finnigan | Chimney fire extinguisher |
GB2266238A (en) * | 1992-04-16 | 1993-10-27 | Heinz Gillessen | A chimney fire extinguishing system |
CN2766894Y (en) * | 2004-12-15 | 2006-03-29 | 帅春明 | Automatic fire-extinguishing device for ventilator pipe |
CN201094822Y (en) * | 2007-08-02 | 2008-08-06 | 孙巨岗 | Fire extinguisher |
CN101476945A (en) * | 2009-01-09 | 2009-07-08 | 长安大学 | Brake drum temperature measurement apparatus based on wireless transmission |
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Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103285547A (en) * | 2012-03-02 | 2013-09-11 | 程琰 | Safety monitoring system and method of transportation pipeline |
CN103285547B (en) * | 2012-03-02 | 2015-12-02 | 陈瑾 | The safety monitoring system of transport pipeline and method |
CN104069601A (en) * | 2013-03-29 | 2014-10-01 | 沈阳铝镁设计研究院有限公司 | Flue gas purification system extinguishing device and method |
CN104069601B (en) * | 2013-03-29 | 2016-12-28 | 沈阳铝镁设计研究院有限公司 | A kind of flue gas purification system extinguishing device and method |
CN104809842A (en) * | 2015-05-08 | 2015-07-29 | 苏州首旗信息科技有限公司 | Combustible gas fire alarm monitoring system |
CN107875543A (en) * | 2017-11-09 | 2018-04-06 | 山东金力特管业有限公司 | A kind of flue fire plant |
CN107875543B (en) * | 2017-11-09 | 2020-06-16 | 山东金力特管业有限公司 | Flue fire control unit |
CN111053986A (en) * | 2020-01-06 | 2020-04-24 | 温州中绿环保科技有限公司 | Waste gas treatment system with fire-fighting system and fire extinguishing method thereof |
CN111053986B (en) * | 2020-01-06 | 2024-01-26 | 温州中绿环保科技有限公司 | Waste gas treatment system with fire extinguishing system and fire extinguishing method thereof |
CN111649595A (en) * | 2020-07-15 | 2020-09-11 | 洛阳万基炭素有限公司 | Annular smoke-discharging automatic fire extinguishing device and method for prebaked anode furnace chamber |
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Application publication date: 20110817 |