CN2265824Y - Automatic detection fire-extinguishing explosion suppression device - Google Patents
Automatic detection fire-extinguishing explosion suppression device Download PDFInfo
- Publication number
- CN2265824Y CN2265824Y CN 96225990 CN96225990U CN2265824Y CN 2265824 Y CN2265824 Y CN 2265824Y CN 96225990 CN96225990 CN 96225990 CN 96225990 U CN96225990 U CN 96225990U CN 2265824 Y CN2265824 Y CN 2265824Y
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- China
- Prior art keywords
- detector
- datonation
- spark
- inhibition
- flame
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- Expired - Fee Related
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Abstract
The utility model relates to an automatic detection fire-extinguishing explosion suppression device which is used for detecting spark and flame in the pipelines of flammable material processing equipment, and the utility model can automatically adopts fire-extinguishing or explosion suppression measurement. The utility model is composed of a detector, a controller, a fire-extinguisher and an explosion suppression tank, wherein, the detector is divided into a spark detector and a flame detector, and the controller adopts an 8098 single chip computer; the fire-extinguisher adopts a water fog nozzle, and the explosion suppression tank adopts a high speed spraying explosion suppression tank. The detector of the utility model which can detect both spark and flame and has high sensitivity and good stability, is suitable for the dust environment. The utility model can extinguish fire and can suppress explosion.
Description
The utility model belongs to industry fire extinguishing explosion-protection equipment, particularly a kind of spark, flame of surveying in the flammable equipment for treating materials pipeline, and can take automatically to put out a fire or the device of datonation-inhibition measure.
Existing industry fire extinguishing explosion-protection equipment, its detector adopts the sensing element of flat thermistor as detector, and datonation-inhibition jar of interior high pressure nitrogen and the fire extinguishing pulvis adorned is when detector detects flame, control system can trigger datonation-inhibition jar electric initiation device, and makes the left alone without help machine of system.Its detector sensitivity of this kind fire extinguishing explosion-protection equipment is low, can only survey flame, can not survey very little spark of energy and hot particle, and the poor stability of detector, does not have dust prevention, often reports by mistake.Its controller adopts analog circuit, and volume is big, and analog element is safeguarded inconvenience; Control accuracy is poor.Its fire extinguishing measure is regardless of flame intensity, sprays datonation-inhibition pulvis singlely, causes the unnecessary left alone without help worker of equipment and raw material and product losses sometimes.Existing industry fire extinguishing explosion-protection equipment also has the fire disaster intelligently warning system, and the employing pick-up lens obtains the image in the visual field, carries out image processing with microcomputer, analyzes ignition zone, takes the fire extinguishing measure according to the result intelligent of image processing.This device is suitable for the outer fire hazard monitoring of large-scale equipment, is not suitable for the monitoring of spark in the equipment, flame and puts out a fire to save life and property, and its accurate pick-up lens is not suitable for dust atmosphere yet, and the equipment cost height, can not be used for datonation-inhibition.
The purpose of this utility model is to provide a kind of can survey spark and flame, and can take automatically to put out a fire and the automatic detection extinguish and anti-explosion device of datonation-inhibition measure.
The utility model is made up of detector, controller, fire extinguisher and datonation-inhibition jar of four parts.Be described in detail structure of the present utility model below in conjunction with accompanying drawing.
Fig. 1 is the spark detector structural representation;
Fig. 2 is the controller architecture schematic diagram;
Fig. 3 is a datonation-inhibition jar of schematic diagram;
Fig. 4 surveys extinguish and anti-explosion device overall structure schematic diagram automatically;
Fig. 5 surveys the extinguish and anti-explosion device to use schematic diagram automatically.
Detector is divided into two kinds of spark detector and flame detectors.The spark detector structure is as shown in Figure 1: [1] urceolus among the figure, [2] inner core, [3] mounting flange, [4] focusing bolt, [5] lens, [6] immersion lens, [7] sensing element, [8] amplifying circuit, [9] compressed air gas circuit, [10] base, [11] cable, [12] retainer ring.
Have flange [3] above the urceolus [1], No. one time lens are outer flat convex, are fixed on outer cylinder front end by retainer ring.Compressed air is introduced from outer tube wall, can be parallel to the minute surface ejection a lens outer, be used to clean the minute surface laying dust, be threaded engagement between inner core and the urceolus, immersion lens, sensing element all are fixed on the inner core, inner core can move forward and backward in urceolus by rotation, is convenient to focusing, and focal length mixes up the back and fixed by the focusing bolt.After amplifying circuit according to circumstances can place inner core or be hung on base.The lens and the immersion lens that are positioned at detector front end have constituted an infrared optical system, thereby improve detector sensitivity, increase the angle of visual field, and can prevent that visible light from disturbing.Sensing element adopts PbS photon type sensing element, and the response time is fast, the detectivity height.Adopt the compressed air spraying lens element of pulsation, can prevent dust adhesion.
Flame detector structure and spark detector basically identical because signal is stronger, have been cancelled immersion lens, and the sensing element that uses is the Si light-sensitive device.
Controller mainly by 8098 single-chip microcomputers, spark signal input logic circuit, 8255 and line output circuit three parts form.As shown in Figure 2: the input pin of [13] logic circuit, the output of the colored detector of starting to exchange fire; [14] spark signal input logic circuit; [15] logic circuit output connects 8098 HSI.2 input pin; [16] logic circuit output connects 8098 HSI.3 input pin; [17] 8098 HSI.0 input pin, the output of the colored detector of starting to exchange fire; [18] 8098 HSI.1 input pin connects the output of another flame detector; [19] 8098 A/D input port connects the output signal of a flame detector; Another A/D input port of [20] 8098 connects the self check spark detector; [21] 8098 single-chip microcomputers; [22] address and data/address bus; [23] 8255 parallel output integration blocks; [24] flame is reported to the police, and connects 8255 LPTs; [25] spark is reported to the police, and connects 8255 LPTs; [26] self check abnormal alarm connects 8255 LPTs; [27] urgent left alone without help machine relay connects 8255 LPTs; [28] self check infrared transmitter connects 8255 LPTs; [29] waterfog head control relay connects 8255 LPTs; [30] datonation-inhibition jar of control relay of high velocity jet connects 8255 LPTs.
8098 single-chip microcomputers have numeral and two kinds of input modes of simulation.Two flame probes are connected on 8098 hsi port HS1.0, HSI.1 input port respectively, a plurality of spark probes are connected on two other HSI pin by certain logical relation, be the pulse input mode, when the signal saltus step was arranged on the pin, the HSI buffer is the time of origin of recording impulse automatically.Each one of flame detector and spark detector insert 8098 A/D mouth.In the HSI interrupt service routine, successively determine the flame speed size and Orientation according to HSI.0 and HSI.1 saltus step, and carry out the A/D conversion immediately, greater than dangerous values, just start datonation-inhibition program as the result, otherwise only start the fire extinguishing program.This makes system's rate of false alarm be almost 0.As HSI.2 or any one input port of HSI.3 the signal saltus step taking place, then be judged as spark, starts the fire extinguishing program.
Controller is mainly used to analyze the signal that detector transmits, and carry out danger and judge that judgement is a flame, or spark, the intensity of identification flame and the frequency of spark, and take appropriate measures.
Fire extinguisher adopts waterfog head.
Datonation-inhibition jar as shown in Figure 3, adopts datonation-inhibition jar of high velocity jet.[31] tank body among the figure; [32] datonation-inhibition pulvis and propellant ammonia; [33] the airtight metal film of spout; [34] electric initiation device; [35] ignition cable; [36] jet pipe; [37] sealing protective jacket.High velocity jet is penetrated quick-fried jar by jar spare, electric initiation device, composition such as the datonation-inhibition pulvis of dress and propellant ammonia and sealing protective jacket in jet pipe and the tank body.Under the normal condition, datonation-inhibition pulvis and ammonia are enclosed in the tank body, blow metal film after the electric initiation device receives triggering signal, and moving datonation-inhibition pulvis one superhigh speed of the high pressure ammonia band of gas sprays, and reaches the purpose of extinguish and anti-explosion.
Overall structure of the present utility model as shown in Figure 4.Among the figure: [1] urceolus; [2] inner core; [3] mounting flange; [4] focusing spiral shell inspection; [5] lens, [6] immersion lens; [7] sensing element; [8] amplifying circuit; [9] compressed air gas circuit; [10] base; [11] cable; [12] retainer ring; [13] input pin of logic circuit, the colored detector output of starting to exchange fire; [14] spark signal input logic circuit; [15] logic circuit output connects 8098 HSI.2 input pin; [16] logic circuit output connects 8098 HSI.3 input pin; [17] 8098 HSI.0 input pin, the output of the flame detector of starting to exchange fire; [18] 8098 HSI.1 input pin connects the output of another flame detector; [19] 8098 A/D input port connects the output signal of a flame detector, and another A/D input port of [20] 8098 connects the self check spark detector; [21] 8098 single-chip microcomputers; [22] address and data/address bus; [23] 8255 parallel output integration blocks; [24] flame is reported to the police, and connects 8255 LPTs; [25] spark is reported to the police, and connects 8255 LPTs; [26] self check abnormal alarm connects 8255 LPTs; [27] urgent left alone without help machine relay connects 8255 LPTs; [28] self check infrared transmitter connects 8255 LPTs; [29] waterfog head control relay connects 8255 LPTs; [30] datonation-inhibition jar of control relay of high velocity jet connects 8255 LPTs; [31] jar part; [32] datonation-inhibition pulvis and propellant ammonia; [33] the airtight metal film of spout; [34] electric initiation device; [35] ignition cable; [36] jet pipe; [37] sealing protective jacket; [38] waterfog head.
Use automatic detection extinguish and anti-explosion device of the present utility model as shown in Figure 5.Fig. 5 is the application schematic diagram of automatic detection extinguish and anti-explosion device of the present utility model in pulverized coal preparation equipment.Using in pulverized coal preparation equipment and surveying the extinguish and anti-explosion device automatically mainly is to be used for protecting ball mill, power transportation pipe and cyclone dust collectors etc.
[24] flame is reported to the police among Fig. 5; [25] spark is reported to the police; [26] self check abnormal alarm; [27] urgent left alone without help machine relay; [28] self check infrared transmitter; [29] waterfog head control relay; [30] datonation-inhibition jar of control relay of high velocity jet; [38] waterfog head; [39] controller; [40] spark detector; [41] flame detector; [42] self check spark detector; [43] datonation-inhibition jar; [44] magnetic valve; [45] filter; [46] water under high pressure; [47] ball mill; [48] conveyance conduit; [49] blower fan; [50] cyclone dust collectors.
Spark detector, flame detector are installed on the duct wall, and the number of spark detector is decided according to the diameter of pipeline, and flame detector is generally installed 2 along the pipeline 0.5m of being separated by.Waterfog head is contained in detector along 6～8m place, throughput direction downstream, forms one section attack area.Datonation-inhibition jar is installed in pipe ends respectively near ball mill or deduster.Detector passes to controller with signal when detecting spark, hot particle or flame, select different processing according to the kind of signal with intensity.As detect flame, and then take the extinguish and anti-explosion measure according to the direction of flame, start datonation-inhibition jar an of end; As detect spark, then the downstream direction in mass transport puts out it.For the spark of different harmful grades, can control injection intensity by the length of time and the number of unlatching shower nozzle.
The utlity model has following advantage: its detector can be surveyed spark, can survey flame, sensitivity again Degree is high, and good stability can also prevent that visible light from disturbing, and detector window can prevent adsorbing powder dust, can use In dust atmosphere; The utility model can be put out a fire and can be datonation-inhibition. To little dangerous matter sources-spark, take fire extinguishing Measure can eliminate danger in the situation that does not affect operating mode, avoids system to stop work; When having blast to take place, Can take datonation-inhibition measure, can accurately calculate flame speed, all can process for the blast that different directions transmits.
Claims (6)
1. one kind includes detector, controller and datonation-inhibition jar at interior automatic detection extinguish and anti-explosion device, it is characterized in that:
A. the detector of this device is made up of urceolus, inner core, lens, immersion lens, sensing element, amplifying circuit, base, cable, retainer ring etc.;
B. controller is by 8098 single-chip microcomputers, and spark signal input logic circuit and 8255 also line output circuit is formed;
C. datonation-inhibition jar is datonation-inhibition jar of high velocity jet;
D. this device also contains fire extinguisher.
2. automatic detection extinguish and anti-explosion device as claimed in claim 1, the detector that it is characterized in that this device is divided into two kinds of spark detector and flame detectors, the outer flat convex of lens of spark detector, be fixed on the front end of urceolus by retainer ring, constitute an infrared optical system with the immersion lens that is fixed on the inner core, compressed air is introduced along a lens outer from outer tube wall and is parallel to the minute surface ejection, be threaded engagement between inner core and the urceolus, sensing element selects pbs photon type sensing element, be fixed on the inner core, amplifying circuit places inner core or is hung on base; The flame detector structure is identical with spark detector, has cancelled immersion lens, and sensing element selects the Si light-sensitive device.
3. as claim 1,2 described automatic detection extinguish and anti-explosion devices, the controller that it is characterized in that this device has used 8098 single-chip microcomputers, the connection of its each several part is: the start to exchange fire output of colored detector of the input pin of logic circuit, logic circuit output connects 8098 HSI.2 input pin and HSI.3 input pin, the start to exchange fire output of flame detector of 8098 HSI.0 input pin, 8098 HSI.1 input pin connects the output of another flame detector, 8098 A/D input port connects the output signal of a flame detector, another A/D input port of 8098 connects the self check spark detector, flame is reported to the police, spark is reported to the police, the self check abnormal alarm, urgent left alone without help machine relay, the self check infrared transmitter, the waterfog head control relay, datonation-inhibition jar of control relay of high velocity jet all connects 8255 LPTs.
4. automatic detection extinguish and anti-explosion device as claimed in claim 1, the fire extinguisher that it is characterized in that this device are the waterfog heads that adopts.
5. automatic detection extinguish and anti-explosion device as claimed in claim 1, it is characterized in that the datonation-inhibition of this device jar is datonation-inhibition jar of high velocity jet, datonation-inhibition jar of this high velocity jet by tank body, electric initiation device, jet pipe and jar in the datonation-inhibition pulvis of dress and propellant nitrogen and sealing protective jacket form.
6. automatic detection extinguish and anti-explosion device as claimed in claim 2, the detector that it is characterized in that this device are the compressed air spraying lens elements that adopts pulsation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96225990 CN2265824Y (en) | 1996-04-24 | 1996-04-24 | Automatic detection fire-extinguishing explosion suppression device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96225990 CN2265824Y (en) | 1996-04-24 | 1996-04-24 | Automatic detection fire-extinguishing explosion suppression device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2265824Y true CN2265824Y (en) | 1997-10-29 |
Family
ID=33904509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96225990 Expired - Fee Related CN2265824Y (en) | 1996-04-24 | 1996-04-24 | Automatic detection fire-extinguishing explosion suppression device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2265824Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102753239A (en) * | 2009-10-14 | 2012-10-24 | Bs&B安全系统有限公司 | Flame mitigation device and system |
| CN103285547A (en) * | 2012-03-02 | 2013-09-11 | 程琰 | Safety monitoring system and method of transportation pipeline |
| CN105664400A (en) * | 2016-04-15 | 2016-06-15 | 中煤科工集团重庆研究院有限公司 | Fast and automatic carbon dioxide combustion and explosion suppression system |
| CN108489615A (en) * | 2018-04-09 | 2018-09-04 | 无锡市永安电子科技有限公司 | A kind of composite pipe spark detector and its detection method |
| CN110255199A (en) * | 2019-07-09 | 2019-09-20 | 江苏艾瑞禾工程技术有限公司 | A kind of fire extinguishing system for bulk material conveying |
-
1996
- 1996-04-24 CN CN 96225990 patent/CN2265824Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102753239A (en) * | 2009-10-14 | 2012-10-24 | Bs&B安全系统有限公司 | Flame mitigation device and system |
| 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 |
| CN105664400A (en) * | 2016-04-15 | 2016-06-15 | 中煤科工集团重庆研究院有限公司 | Fast and automatic carbon dioxide combustion and explosion suppression system |
| CN108489615A (en) * | 2018-04-09 | 2018-09-04 | 无锡市永安电子科技有限公司 | A kind of composite pipe spark detector and its detection method |
| CN110255199A (en) * | 2019-07-09 | 2019-09-20 | 江苏艾瑞禾工程技术有限公司 | A kind of fire extinguishing system for bulk material conveying |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |