CN201654978U - Wireless fire alarm monitoring system of dry kiln - Google Patents
Wireless fire alarm monitoring system of dry kiln Download PDFInfo
- Publication number
- CN201654978U CN201654978U CN2010201467920U CN201020146792U CN201654978U CN 201654978 U CN201654978 U CN 201654978U CN 2010201467920 U CN2010201467920 U CN 2010201467920U CN 201020146792 U CN201020146792 U CN 201020146792U CN 201654978 U CN201654978 U CN 201654978U
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- fire alarm
- dry kiln
- long distance
- optical fiber
- wireless fire
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Abstract
The utility model relates to a remote wireless fire alarm monitoring system for a dry kiln, which adopts a multiple-sensor fusion technology. The wireless fire alarm monitoring system comprises a temperature sensor, a smog sensor and a flame sensor, and can monitor fire alarm information for the condition in the dry kiln simultaneously and circularly from all directions. The fire alarm information is transmitted to a remote control center through reliable wireless transmission equipment. The wireless transmission equipment has strong penetrability, and can perform long distance transmission, and avoid potential safety hazard caused by a circuit. At the same time, a control interface also can be directly connected with a computer, the inside of the dry kiln is properly controlled according to the feedback information, and due to the adoption of the embedded type technology and the accurate arithmetic inside a detection module, alarm can be given accurately.
Description
Technical field
The utility model relates to a cover long distance wireless fire alarm supervising device, more particularly, relates to a kind of long distance wireless fire alarm supervising device that is used for common dry kiln.
Background technology
Dry kiln in industrial application more and more widely, as lumber kiln, cereal dry kiln, Tobacco drying kiln etc.Yet, the frequent breaking out of fire of domestic in recent years big or small dry kiln.The fire initial stage begins flame combustion and shows distinctive feature, be ultraviolet ray and the infrared ray that contains the different wave length that naked eyes can't distinguish in the flame, object is called radiation by the process that electromagnetic wave transmits energy, and object is called heat radiation because of the former of heat thereby the process of sending energy.Because the dry kiln sealing, wireless fire alarm supervisory system is placed in no personnel's monitoring therein, just can report to the police and emergency measures to abnormal conditions in the shortest time, has the demonstration meaning.
Industry, the dry process technology of agricultural byproducts is widely used in the Modern Industry Products aftertreatment and further investigate.Major part all is on drying process computer control to be carried out in aspects such as temperature, humidity both at home and abroad, it is developed to digital control and Based Intelligent Control direction, the efficient and the product quality of the dry processing of agricultural product have greatly been improved, on drying process, keep on improving, and seldom in safety management, monitor.And most of control all adopts the wire transmission mode setting, not only needs wiring setting, also can produce potential safety hazard because of circuit question.And the still not current focus of research both at home and abroad of wireless transmission, and its security, convenience etc. all are much higher than wire transmission, are the main means of following transmission mode.
The utility model content
The technical problems to be solved in the utility model is, in order to Strengthen Safety Management, reduces the incidence of accidents such as fire, protection manufacturer and workpeople's lives and properties, and then the purpose of raising industrial efficiency.But a cover long distance wireless fire alarm supervising device is provided, is mainly used in the dry kiln of enclose inside, no personnel monitoring, be used to ensure its trouble free service.
In a kind of long distance wireless fire alarm supervisory system that is used for dry kiln described in the utility model, comprise conduction optical fiber, pick-up unit, transmitting device and intelligent decision module and warning device, described pick-up unit is made up of temperature sensor, smoke transducer, flame sensor, detect temperature, smog and flame in the dry kiln respectively, described conduction optical fiber links to each other with described flame sensor, and described flame sensor adopts at least a in infrared ray flame detector or the ultraviolet flame detectors.Described conduction optical fiber has the photoconduction effect, described conduction optical fiber can transmit wavelength coverage greater than 185nm less than 260nm the ultraviolet ray or can transmit wavelength coverage less than the infrared ray of 4.5nm greater than 4nm; Described conduction optical fiber adopts quartz material, and outer bag has been tied up exotic material.Described smoke transducer adopts the plasma smoke transducer; Described emitter has wireless transmitter module and wireless receiving module respectively; Described warning device has display module, and described display module comprises at least a in alarm lamp, special-purpose alarm buzzer, liquid crystal display, the speech chip; Described emitter sends information by radio transmission apparatus, and described radio transmission apparatus adopts NF905.
Flame radiation is to have the gas radiation of discrete spectrum and with the solid radiation of continuous spectrum, its wavelength is in 0.1-10 μ m or wideer scope, interference for fear of other signals, often utilize the ultraviolet ray of wavelength＜300nm, perhaps in the flame near the CO2 radiation spectrum of distinctive wavelength 4.4 μ m as detectable signal.UV sensor only responds the ultraviolet ray in 185～260nm narrow range, and insensitive to the light of other spectral range, utilizes it can the ultraviolet ray in the flame be detected.The ultraviolet flame Detection Techniques can make system avoid the complex background that the most powerful lamp sun causes, and make that the burden of information processing greatly alleviates in system.So reliability is higher, it is the photon detection means in addition, thereby the signal to noise ratio (S/N ratio) height, has atomic Testing of Feeble Signals ability, and in addition, it also has the characteristics that the reaction time is exceedingly fast.Yet because kiln temperature is too high, detector can't be put into wherein, and the optical fiber of some kind has good high-temperature stability, and has good light conductivity.
In a kind of long distance wireless fire alarm supervisory system that is used for dry kiln described in the utility model, adopt multi-sensor fusion technology, (temperature sensor, smoke transducer, flame sensor), comprehensive monitoring fire alarm information, add the inner exact algorithm of detection module, accurately report to the police.Hygrosensor adopts pt100 resistance, pass through temperature variation, cause resistance variations, to resistance two ends making alive, and then cause change in voltage (adopting the three-wire system connection), again by amplifying circuit and filtering circuit, carry out analog to digital conversion by adc0804, calculate resistance by single-chip microcomputer, obtain temperature by pt100 resistance temperature algorithm again.Smoke transducer adopts the plasma smoke transducer, smog by the time cause capacitance variations, signal is exported.Flame detecting adopts ultraviolet flame detector, relay output.Adopt reliable radio transmission apparatus nf905, penetrability is strong, but long-distance transmissions, the hidden danger of avoiding circuit to bring.Control is accepted module except that display device is clearly arranged accurately, as alarm lamp, and special-purpose alarm buzzer, liquid crystal display, speech chip is monitored signal in the kiln in real time.Also leave control interface, simultaneously, also can directly link to each other with PC, by the serial ports conversion information is outputed to computer screen, the observer also can suitably control according to feedback information, for example regulates kiln temperature etc.Adopt Optical Fiber Transmission fire alarm information, accurately report to the police.Because dry kiln temperature is too high, reasons such as humidity height, common detecting devices can't be put into wherein, this novel employing fiber optic conduction technology, UV fiber (UVC) that can special as required propagation fixed band, this kind optical fiber adopts quartz to make, the outside is surrounded by exotic material, spreading rate reaches more than 95% when transmission 200nm---285nm wavelength, specialty optical fiber has high temperature resistant in addition, not flammable, moisture resistance is wet, the characteristics that light conductivity is good, thereby ultraviolet flame detector can be by this optical fiber with outside the photoconduction kiln discharge, the flame detection medium wavelength is the ultraviolet spectrum of 185～260nm, carries out monitoring alarm (for infrared eye, can the optical fiber of special leaded light wavelength about 4000nm photoconduction being gone out monitoring).Adopt single-chip microcomputer control technology.When any one detector detects signal, pass to the single-chip microcomputer in the expelling plate, single-chip microcomputer detects, and judges whether to report to the police according to algorithm, and by wireless module information transmission is arrived long-range control center.
Implement the remote wireless monitoring fire alarm system that is used for dry kiln of the present utility model, have following beneficial effect: this device is easy for installation, uses simple.In the device actual operation, temperature sensor, smoke transducer, flame sensor circulates simultaneously situation in the dry kiln is detected, and in time information is passed to emitter, send to the intelligent decision module by the wireless breath of delivering a letter again and link to each other with computing machine information is presented at screen, the intelligent decision module is built-in with exact algorithm simultaneously, can judge whether to report to the police.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the fire alarm supervisory system structural representation of dry kiln of the present utility model;
Fig. 2 is the structural representation of expelling plate in the utility model emitter;
Fig. 3 is the logic diagram of fire alarm supervisory system of the present utility model.
Embodiment
As shown in Figure 1, in the fire alarm supervisory system structural representation of the utility model dry kiln.
Adopt specialty optical fiber transmission fire alarm information, because dry kiln temperature is too high, reasons such as humidity height, common detecting devices can't be put into wherein, this novel employing fiber optic conduction technology, UV fiber (UVC) that can special as required propagation fixed band, this kind optical fiber adopts quartz to make, the outside is surrounded by exotic material, spreading rate reaches more than 95% when transmission 200nm---285nm wavelength, and specialty optical fiber has high temperature resistant, not flammable in addition, moisture resistance is wet, the characteristics that light conductivity is good, thereby specialty optical fiber has high temperature resistant, not flammable, moisture resistance is wet, the characteristics that light conductivity is good can be surveyed flame in kiln, and light is exported to flame detector survey the place, the flame detection medium wavelength is the ultraviolet spectrum of 185～260nm, carries out monitoring alarm.Temperature sensor detects temperature regime in the dry kiln, smoke transducer is placed in the ventilating opening in the dry kiln, abnormal conditions to smog detect, the three kinds of comprehensive monitoring fire alarm of sensor information, when any one detector detects signal, pass to the single-chip microcomputer in the expelling plate, single-chip microcomputer detects, judge whether to report to the police according to algorithm, and information transmission is arrived long-range control center by wireless module.
Fig. 2 is the structural representation of expelling plate in the utility model emitter.
The inner exact algorithm of detection module is accurately reported to the police.Adopt reliable radio transmission apparatus nf905, penetrability is strong, but long-distance transmissions, the hidden danger of avoiding circuit to bring.Control is accepted module except that display device is clearly arranged accurately, as alarm lamp, and special-purpose alarm buzzer, liquid crystal display, speech chip is monitored signal in the kiln in real time.Also leave control interface, simultaneously, also can directly link to each other with PC, by the serial ports conversion information is outputed to computer screen, the observer also can suitably control according to feedback information, for example regulates kiln temperature etc.
Claims (9)
1. long distance wireless fire alarm supervisory system that is used for dry kiln, comprise conduction optical fiber, pick-up unit, transmitting device and intelligent decision module and warning device, it is characterized in that, described pick-up unit is made up of temperature sensor, smoke transducer, flame sensor, detect temperature, smog and flame in the dry kiln respectively, described conduction optical fiber links to each other with described flame sensor.
2. the long distance wireless fire alarm supervisory system that is used for dry kiln according to claim 1 is characterized in that, described smoke transducer adopts the plasma smoke transducer.
3. the long distance wireless fire alarm supervisory system that is used for dry kiln according to claim 1 is characterized in that, described flame sensor adopts at least a in infrared ray flame detector or the ultraviolet flame detectors.
4. the long distance wireless fire alarm supervisory system that is used for dry kiln according to claim 1 is characterized in that described emitter has wireless transmitter module and wireless receiving module respectively.
5. the long distance wireless fire alarm supervisory system that is used for dry kiln according to claim 1, it is characterized in that, described warning device has display module, and described display module comprises at least a in alarm lamp, special-purpose alarm buzzer, liquid crystal display, the speech chip.
6. the long distance wireless fire alarm supervisory system that is used for dry kiln according to claim 3 is characterized in that described conduction optical fiber has the photoconduction effect, and described conduction optical fiber can transmit wavelength coverage greater than the ultraviolet ray of 185nm less than 260nm.
7. the long distance wireless fire alarm supervisory system that is used for dry kiln according to claim 3 is characterized in that described conduction optical fiber has the photoconduction effect, and described conduction optical fiber can transmit wavelength coverage less than the infrared ray of 4.5 μ m greater than 4 μ m.
8. according to claim 6 or the 7 described long distance wireless fire alarm supervisory systems that are used for dry kiln, it is characterized in that described conduction optical fiber adopts quartz material, outer bag has been tied up exotic material.
9. the long distance wireless fire alarm supervisory system that is used for dry kiln according to claim 4 is characterized in that described emitter sends information by radio transmission apparatus, and described radio transmission apparatus adopts NF905.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201467920U CN201654978U (en) | 2010-04-01 | 2010-04-01 | Wireless fire alarm monitoring system of dry kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201467920U CN201654978U (en) | 2010-04-01 | 2010-04-01 | Wireless fire alarm monitoring system of dry kiln |
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| Publication Number | Publication Date |
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| CN201654978U true CN201654978U (en) | 2010-11-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010201467920U Expired - Fee Related CN201654978U (en) | 2010-04-01 | 2010-04-01 | Wireless fire alarm monitoring system of dry kiln |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102760347A (en) * | 2011-04-28 | 2012-10-31 | 杨香莲 | Failure alarm system |
| CN105069957A (en) * | 2015-07-16 | 2015-11-18 | 苏州欧可罗电子科技有限公司 | Wireless fire detecting method based on ultraviolet flame detection |
| CN105741472A (en) * | 2016-04-27 | 2016-07-06 | 广西科技大学 | Automatic fire alarm system based on smoke and temperature abnormity |
| CN105901122A (en) * | 2016-05-18 | 2016-08-31 | 山东省农业机械科学研究院 | High-temperature continuous crop dryer equipped with emergency system |
| CN107038832A (en) * | 2015-05-27 | 2017-08-11 | 罗永安 | Wisdom jewellery |
| CN107179102A (en) * | 2017-06-14 | 2017-09-19 | 国网湖北省电力公司孝感供电公司 | The power transmission line corridor pyrotechnics identifying system and method for a kind of Fusion |
| CN108593116A (en) * | 2018-05-18 | 2018-09-28 | 武汉理工大学 | Superhigh temperature deep ultraviolet optical fiber sensor measuring system |
| CN112677153A (en) * | 2020-12-16 | 2021-04-20 | 东北林业大学 | Improved RRT algorithm and industrial robot path obstacle avoidance planning method |
-
2010
- 2010-04-01 CN CN2010201467920U patent/CN201654978U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102760347A (en) * | 2011-04-28 | 2012-10-31 | 杨香莲 | Failure alarm system |
| CN107038832A (en) * | 2015-05-27 | 2017-08-11 | 罗永安 | Wisdom jewellery |
| CN105069957A (en) * | 2015-07-16 | 2015-11-18 | 苏州欧可罗电子科技有限公司 | Wireless fire detecting method based on ultraviolet flame detection |
| CN105741472A (en) * | 2016-04-27 | 2016-07-06 | 广西科技大学 | Automatic fire alarm system based on smoke and temperature abnormity |
| CN105901122A (en) * | 2016-05-18 | 2016-08-31 | 山东省农业机械科学研究院 | High-temperature continuous crop dryer equipped with emergency system |
| CN107179102A (en) * | 2017-06-14 | 2017-09-19 | 国网湖北省电力公司孝感供电公司 | The power transmission line corridor pyrotechnics identifying system and method for a kind of Fusion |
| CN108593116A (en) * | 2018-05-18 | 2018-09-28 | 武汉理工大学 | Superhigh temperature deep ultraviolet optical fiber sensor measuring system |
| CN112677153A (en) * | 2020-12-16 | 2021-04-20 | 东北林业大学 | Improved RRT algorithm and industrial robot path obstacle avoidance planning method |
| CN112677153B (en) * | 2020-12-16 | 2022-09-06 | 东北林业大学 | Improved RRT algorithm and industrial robot path obstacle avoidance planning method |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101124 Termination date: 20110401 |