CN107170173A - Infrared and ultraviolet flame detector control system and its control method - Google Patents
Infrared and ultraviolet flame detector control system and its control method Download PDFInfo
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- 244000249914 Hemigraphis reptans Species 0.000 claims description 6
- 230000001771 impaired effect Effects 0.000 claims description 5
- 238000012423 maintenance Methods 0.000 claims description 4
- JEIPFZHSYJVQDO-UHFFFAOYSA-N ferric oxide Chemical compound O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 3
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/005—Fire alarms; Alarms responsive to explosion for forest fires, e.g. detecting fires spread over a large or outdoors area
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/12—Actuation by presence of radiation or particles, e.g. of infrared radiation or of ions
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Abstract
The present invention discloses a kind of infrared and ultraviolet flame detector control system and its control method, including infrared detection module and UV detection module, infrared detection module and UV detection module are connected with controller, infrared detection module is powered by power module, the infrared detection module and UV detection module separately detect infrared signal and ultraviolet signal in environment, the infrared detection module is according to infrared signal active controller, controller driving power module after activation is powered to UV detection module, the controller combination infrared signal and ultraviolet signal differentiate the condition of a fire, and data interaction is carried out by the controller of wireless communication module and adjacent flame detector.Beneficial effect：Using the present invention infrared and ultraviolet flame detector control system and its control method, the condition of a fire can be judged exactly, and can realize it is self-powered, it is low in energy consumption, it is adaptable to field fire monitoring.
Description
Technical field
The present invention relates to fire alarm field, more particularly to a kind of infrared and ultraviolet flame detector control system and its control
Method processed.
Background technology
Traditional forest fire protection means are mainly patrolled including forest ranger, monitoring camera-shooting.Forest ranger patrols the defect of presence：One
Be people energy it is limited, it is impossible to guard all area of fire protection always；Two be that people is also a kind of uncontrollable factor in itself.And image
Monitoring there is also the problem of：One is that power consumption is excessive, while also to take into account data transfer, can only use wired power supply, cause installation position
Put and be restricted；Two be to ensure monitoring visual field, it is necessary to installed in monitor area lofty perch position, to surface-fire, sylvan life fire
Early stage fire monitoring it is more difficult.
Ultraviolet infrared spectrum flame detecting technology, main " atmospheric window principle " using earth surface.Sunshine is complete
Light spectrum, in earth atmosphere is penetrated, because the gases such as N2, O2, O3, H2O, CO2 in air can absorb part wavelength
Spectrum, below the ultraviolet band 260nm and infrared band 4.3um immediate vicinities that reach earth surface energy does not almost have.And
Common organic matter or gas burning, there is very high energy feature in the two wave bands, therefore by monitoring ultraviolet infrared " air
Two flame characteristic wave bands of window " differentiate flame combustion, are fairly accurate.
The indoor fire safety that existing ultraviolet infrared flame detector is all based on building's fire is applied, it is necessary to wired power supply
And communication, do not consider the demand of low-power consumption and the work of field complex environment, can't resolve the long-term forest fires real-time detection in field accurate
True property and integrity problem.
The content of the invention
To solve above technical problem, the present invention provides a kind of infrared and ultraviolet flame detector control system and its controlling party
Method, by infrared detection module, fingerprint identification module activation system, reduces the power consumption of whole detector, and combine infrared light and ultraviolet light to fire
Feelings are judged, it is ensured that accuracy and reliability.
Technical scheme is as follows：
A kind of infrared and ultraviolet flame detector control system, its key is：Including infrared detection module and ultraviolet detection
Module, infrared detection module and UV detection module are connected with controller, and infrared detection module is powered by power module；
The infrared detection module and UV detection module separately detect infrared signal and ultraviolet signal in environment,
The infrared detection module is according to infrared signal active controller, and the controller driving power module after activation is to ultraviolet detection
Module for power supply, the controller combination infrared signal and ultraviolet signal differentiate the condition of a fire, and pass through wireless communication module and phase
The controller of adjacent flame detector carries out data interaction.
Using said structure, most of module is usually being at holding state, only infrared acquisition mould in detector
Block carries out preliminary judgement to the condition of a fire, if preliminary judgement has the condition of a fire, restarts whole detector and the condition of a fire is carried out further
Judge, reduce the power consumption of whole detector, and combination infrared light and ultraviolet light are judged the condition of a fire, it is ensured that accuracy
And reliability.Data interaction is carried out with other flame detectors, is easy to networking in the wild to monitor.
Further, the controller is also connected with illuminance acquisition module, and the controller control power module is given
Illuminance acquisition module is powered, and the illuminance acquisition module gathers the illuminance information of environment, and the illuminance acquisition module will
Illuminance information is sent to the controller, and the controller is broadcasted illuminance information by wireless communication module.
Using said structure, controller gathers the illuminance of environment by illuminance acquisition module, and by illuminance with depositing
The illuminance threshold value of storage is compared.
Further, the infrared detection module includes infra red flame sensor, and the infra red flame sensor is passed through successively
Amplifying circuit and filter circuit are connected with controller, and the output end of the filter circuit is also through I/O interrupt circuit and the controller
IO wake up interface connection.
Using said structure, infrared signal can be amplified using amplifying circuit, filter circuit can filter out interference, when
When infrared signal reaches certain amplitude, I/O interrupt circuit is triggered, so as to wake up controller.
Further, the power module includes solar energy collection unit and solar energy memory cell, solar energy storage
The input of unit is connected with solar energy collection unit, and output end is connected with power management module；
The controller control power management module is powered to infrared detection module and UV detection module, the controller
The information about power that solar energy memory cell is stored is gathered by power management module.
Using said structure, solar energy acquisition unit can gather solar energy, and the memory cell storage of supply solar energy makes detection
Device can be detected in the wild for a long time, it is ensured that the stability of detector.
Further, the wireless communication module includes radio communications transmitter and transmission antenna, the radio communication
The input of transmitter is connected with controller, and output end is connected with transmission antenna.
The controller is also connected with status indicator lamp unit, and the status indicator lamp unit is used to indicate infrared acquisition mould
Block, UV detection module and power module working condition.
Using said structure, the difficulty of field wiring is avoided using wireless communication module, detector field ring is improved
The adaptability of border application.
Because detector needs to be arranged on higher position, there is status indicator lamp to be easy to patrol officer to check detector
Working condition.
Further, the infrared detection module, UV detection module and controller are arranged in housing, in housing
Temperature and Humidity module is provided with, temperature information and humidity information in Temperature and Humidity module collection housing, and by temperature
Information and humidity information are sent to controller.The humiture in housing can be detected by Temperature and Humidity module, so as to judge shell
Whether the sealing of body is intact.
It is provided with the housing in light-transmitting opening, light-transmitting opening covered with light transmission piece, the light transmission piece only allows ultraviolet light and infrared light
Through the infrared detection module and UV detection module are arranged on light transmission piece back.
Using said structure, light transmission piece can filter out other light except infrared light and ultraviolet light, reduce interference, make infrared
The data that detecting module and UV detection module are detected are more accurate.
A kind of control method of infrared and ultraviolet flame detector control system, its key is to include：
Step 1, data initialization；
Step 2, determine whether obtain I/O interrupt signal, if not obtaining interrupt signal, continue judge, if obtain interrupt
Signal, then active controller；
Whether step 3, judgement housing are damaged, if not being damaged, into step 4, if impaired, state of a control indicates single
Member indicates that detector is damaged, and sends and enters step 15 after maintenance signal；
Step 4, driving power module are powered to illuminance detection module, and illuminance detection module was gathered in a period of time
Illuminance information；
Step 5, the illuminance information for obtaining the transmission of illuminance detection module, prior art meter is used according to illuminance information
Illuminance amplitude is calculated, illuminance amplitude is broadcasted, and record detection time；
Step 6, according to detection time select illuminance threshold value；
Whether illuminance exceedes illuminance threshold value in step 7, judgement illuminance information, if being not above, into step
If the 8, exceeding, into step 11；
Step 8, the illuminance amplitude for obtaining adjacent flame detector broadcast；
Step 9, judge whether the illuminance amplitude that itself calculates exceedes the illuminance width that adjacent flame detector is broadcasted
Degree；
If being not above, into step 10, if exceeding, into step 11；
Whether step 10, judgement detection time exceed schedule time；
If being not above, return to step 5；
If exceeding, stop driving power module and powered to illuminance detection module, and enter step 15；
Step 11, driving power module are powered to UV detection module；
The infrared light number of step 12, the ultraviolet light data for obtaining UV detection module transmission and infrared detection module transmission
According to；
Step 13, with reference to ultraviolet light data and Infrared Data the condition of a fire is determined whether there is, if so, then entering step
14, if not having, into step 15；
Step 14, send alarm signal；
Step 15, into holding state and return to step 1.
Using the above method, it is possible to achieve multiple combinations of detectors more efficiently monitor field into fire hazard monitoring network
The fire condition of environment.
The present invention is ensures the accuracy of condition of a fire judgement, to fire by the way of ultraviolet light judges and infrared light judges to combine
Feelings are judged that idiographic flow is as follows：
Step a, with sample frequency f gather T seconds time in Infrared Data and ultraviolet light data；
Step b, to Infrared Data carry out Fourier transformation, obtain the characteristic frequency Fa of Infrared Data, and record T seconds
Ultraviolet light pulse number Fb in time；
Whether step c, judgement characteristic frequency Fa are in specific frequency range, and ultraviolet light pulse number Fb numerical value is more than
Umber of pulse threshold value E, if so, then having the condition of a fire, if it is not, not having the condition of a fire then.
Wherein, f=100Hz, T=10s, frequency range are 2~10Hz, umber of pulse threshold value E=10.
Using upper method, the condition of a fire can be judged in time, and be avoided that interference of the environment to flame detecting, with reference to red
Outer light and ultraviolet light judged the condition of a fire, more accurately.
Further, step 3 judges whether housing is damaged using following methods：
Step S1, driving power module give Temperature and Humidity module for power supply；
Step S2, the temperature information and humidity information for obtaining the transmission of Temperature and Humidity module；
Step S3, the relative humidity calculated using prior art in housing；
Whether step S4, judgement relative humidity exceed humidity threshold, if being not above, housing seal is intact, if exceeding,
Then housing seal is damaged.
Using the above method, the sealing of housing can be judged, if housing is impaired, can send in time detector by
Alarm signal alarm signal is damaged, notifies maintenance personal to be repaired in time.Also, it can stop supplying to infrared detection module, fingerprint identification module in time
Electricity, saves the electricity of detector storage.
Further, also determine whether that obtaining other flame detectors sends including controller between step 1 and step 2
Alarm signal, if not receiving, into step 2, if receiving, wake up controller after enter step 14.
Using the above method, concrete on fire is detected in detector, can be sent out fire alarm by other detectors.
Beneficial effect：, can be exactly using the infrared and ultraviolet flame detector control system and its control method of the present invention
The condition of a fire is judged, and can realize it is self-powered, it is low in energy consumption, it is adaptable to field fire monitoring.
Brief description of the drawings
Fig. 1 is system architecture diagram of the invention；
Fig. 2 is control method flow chart of the invention；
Fig. 3 is condition of a fire decision method flow chart of the invention；
Fig. 4 is the flow chart of the impaired judgement of the present invention.
Embodiment
With reference to embodiment and accompanying drawing, the invention will be further described.
As shown in figure 1, a kind of infrared and ultraviolet flame detector control system, including infrared detection module and ultraviolet detection mould
Block, illuminance acquisition module, infrared detection module and UV detection module, illuminance acquisition module are connected with controller, infrared
Detecting module and UV detection module, illuminance acquisition module are powered by power module.
The infrared detection module includes infra red flame sensor, the infra red flame sensor amplified circuit and filter successively
Wave circuit is connected with controller signals input, and IO of the output end through I/O interrupt circuit and the controller of filter circuit wakes up
Interface is connected.
The power module includes solar energy collection unit and solar energy memory cell, the input of solar energy memory cell
It is connected with solar energy collection unit, output end is connected with power management module；
The controller controls power management module to infrared detection module and UV detection module, illuminance acquisition module
With Temperature and Humidity module for power supply, the controller gathers the electricity letter that solar energy memory cell is stored by power management module
Breath.
The wireless communication module includes radio communications transmitter and transmission antenna, the input of the radio communications transmitter
End is connected with controller, and output end is connected with transmission antenna；
The controller is also connected with status indicator lamp unit, and the status indicator lamp unit is used to indicate flame detector
Working condition.
Infrared detection module and UV detection module, illuminance acquisition module gather the infrared signal of environment, purple respectively
Outer optical signal and illuminance information.And these information are subjected to data interaction by wireless communication module with adjacent detector.
The infrared detection module, UV detection module and controller are arranged in housing, are provided with housing warm and humid
The temperature information and humidity information spent in detection module, the collection housing, and temperature information and humidity information are sent to control
Device.
The infrared detection module and UV detection module are separately detected in environment, and the infrared detection module is according to red
Outer optical signal active controller, the controller driving power module after activation is powered to UV detection module, the controller knot
Close infrared signal and ultraviolet signal differentiates the condition of a fire, and pass through wireless communication module and the controller of adjacent flame detector
Carry out data interaction.
As in Figure 2-4, a kind of control method of infrared and ultraviolet flame detector control system, comprises the following steps：
Step 1, data initialization；
Step 2, determine whether obtain I/O interrupt signal, if not obtaining interrupt signal, continue judge, if obtain interrupt
Signal, then active controller；
Whether step 3, judgement housing are damaged, if not being damaged, into step 4, if impaired, state of a control indicates single
Member indicates that detector is damaged, and sends and enters step 15 after maintenance signal；
Step 4, driving power module are powered to illuminance detection module；
Step 5, the illuminance information for obtaining the transmission of illuminance detection module, prior art meter is used according to illuminance information
Illuminance amplitude is calculated, illuminance amplitude is broadcasted, and record detection time；
Step 6, according to detection time select illuminance threshold value；
Whether illuminance exceedes illuminance threshold value in step 7, judgement illuminance information, if being not above, into step
If the 8, exceeding, into step 11；
Step 8, the illuminance amplitude for obtaining adjacent flame detector broadcast；
Step 9, judge whether the illuminance amplitude that itself calculates exceedes the illuminance width that adjacent flame detector is broadcasted
Degree；
If being not above, into step 10, if exceeding, into step 11；
Whether step 10, judgement detection time exceed schedule time；
If being not above, return to step 5；
If exceeding, stop driving power module and powered to illuminance detection module, and enter step 15；
Step 11, driving power module are powered to UV detection module；
The infrared light number of step 12, the ultraviolet light data for obtaining UV detection module transmission and infrared detection module transmission
According to；
Step 13, with reference to ultraviolet light data and Infrared Data the condition of a fire is determined whether there is, if so, then entering step
14, if not having, into step 15；
Step 14, send alarm signal；
Step 15, into holding state and return to step 1.
Wherein, step 3 judges whether housing is damaged using following methods：
Step S1, driving power module give Temperature and Humidity module for power supply；
Step S2, the temperature information and humidity information for obtaining the transmission of Temperature and Humidity module；
Step S3, the relative humidity calculated using prior art in housing；
Whether step S4, judgement relative humidity exceed humidity threshold, if being not above, housing seal is intact, if exceeding,
Then housing seal is damaged.
Step 13 determines whether there is the condition of a fire using following methods：
Step a, with sample frequency f=100Hz gather T=10 seconds time in Infrared Data and ultraviolet light data；
Step b, to Infrared Data carry out Fourier transformation, obtain the characteristic frequency Fa of Infrared Data, and record T seconds
Ultraviolet light pulse number Fb in time；
Whether step c, judgement characteristic frequency Fa are in 2Hz~10Hz, and whether ultraviolet light pulse number Fb numerical value is more than arteries and veins
Number threshold value E=10 is rushed, if so, then having the condition of a fire, if it is not, there is no the condition of a fire then.
Also, in order to preferably monitor the fire condition in whole field, also sentence between step 1 and step 2 including controller
The fixed alarm signal for whether obtaining the transmission of other flame detectors, if not receiving, into step 2, if receiving, wakes up control
Enter step 14 after device processed.
Finally it should be noted that foregoing description is only the preferred embodiments of the present invention, the ordinary skill people of this area
Member on the premise of without prejudice to present inventive concept and claim, can make table as multiple types under the enlightenment of the present invention
Show, such conversion is each fallen within protection scope of the present invention.
Claims (10)
1. a kind of infrared and ultraviolet flame detector control system, it is characterised in that：Including infrared detection module and ultraviolet detection mould
Block, infrared detection module and UV detection module are connected with controller, the infrared detection module and UV detection module difference
The infrared signal and ultraviolet signal in environment are detected, infrared detection module is powered by power module, the infrared acquisition mould
Root tuber is according to infrared signal active controller, and the controller driving power module after activation is powered to UV detection module, described
Controller combination infrared signal and ultraviolet signal differentiate the condition of a fire, and pass through wireless communication module and adjacent flame detector
Controller carry out data interaction.
2. infrared and ultraviolet flame detector control system according to claim 1, it is characterised in that：The controller also with light
Illumination acquisition module is connected, and the controller control power module is powered to illuminance acquisition module, the illuminance acquisition module
The illuminance information of environment is gathered, illuminance information is sent to controller by the illuminance acquisition module, the controller is by light
Illuminance information is broadcasted by wireless communication module.
3. infrared and ultraviolet flame detector control system according to claim 1, it is characterised in that：The infrared detection module
Including infra red flame sensor, the infra red flame sensor amplified circuit and filter circuit and controller signals input successively
Connection, the output end of filter circuit wakes up interface with the IO of the controller through I/O interrupt circuit and is connected.
4. infrared and ultraviolet flame detector control system according to claim 1, it is characterised in that：The power module includes
Solar energy collection unit and solar energy memory cell, the input of solar energy memory cell is connected with solar energy collection unit, defeated
Go out end to be connected with power management module；
The controller control power management module is powered to infrared detection module and UV detection module, and the controller passes through
The information about power of power management module collection solar energy memory cell storage.
5. according to any infrared and ultraviolet flame detector control systems of claim 1-3, it is characterised in that：The channel radio
Believe that module includes radio communications transmitter and transmission antenna, the input of the radio communications transmitter is connected with controller, defeated
Go out end to be connected with transmission antenna；
The controller is also connected with status indicator lamp unit, and the status indicator lamp unit is used to indicate infrared detection module, purple
Outer detecting module and power module working condition.
6. infrared and ultraviolet flame detector control system according to claim 1, it is characterised in that：The infrared acquisition mould
Block, UV detection module and controller are arranged in housing, and Temperature and Humidity module is provided with housing, the Temperature and Humidity
Temperature information and humidity information in module collection housing, and temperature information and humidity information are sent to controller.
7. a kind of control method of infrared and ultraviolet flame detector control system, it is characterised in that：Controller uses following steps
Carry out condition of a fire judgement：
Step 1, data initialization；
Step 2, determine whether obtain I/O interrupt signal, if not obtaining interrupt signal, continue judge, if obtain interrupt letter
Number, then active controller；
Whether step 3, judgement housing are damaged, if not being damaged, and into step 4, if impaired, state of a control indicating member refers to
Show that detector is damaged, send and enter step 15 after maintenance signal；
Step 4, driving power module are powered to illuminance detection module；
Step 5, the illuminance information for obtaining the transmission of illuminance detection module, illuminance amplitude is calculated according to illuminance information, will
Illuminance amplitude is broadcasted, and records detection time；
Step 6, according to detection time select illuminance threshold value；
Step 7, judge illuminance information in illuminance whether exceed illuminance threshold value, if being not above, if into step 8,
Exceed, then into step 11；
Step 8, the illuminance amplitude for obtaining adjacent flame detector broadcast；
Whether step 9, judgement illuminance amplitude exceed the illuminance amplitude that adjacent flame detector is broadcasted；
If being not above, into step 10, if exceeding, into step 11；
Whether step 10, judgement detection time exceed schedule time；
If being not above, return to step 5；
If exceeding, stop driving power module and powered to illuminance detection module, and enter step 15；
Step 11, driving power module are powered to UV detection module；
The Infrared Data of step 12, the ultraviolet light data for obtaining UV detection module transmission and infrared detection module transmission；
Step 13, with reference to ultraviolet light data and Infrared Data the condition of a fire is determined whether there is, if so, then enter step 14, if
No, then into step 15；
Step 14, send alarm signal；
Step 15, into holding state and return to step 1.
8. the control method of infrared and ultraviolet flame detector control system according to claim 7, it is characterised in that：Step 3
Judge whether housing is damaged using following methods：
Step S1, driving power module give Temperature and Humidity module for power supply；
Step S2, the temperature information and humidity information for obtaining the transmission of Temperature and Humidity module；
Step S3, the relative humidity calculated using prior art in housing；
Whether step S4, judgement relative humidity exceed humidity threshold, if being not above, housing seal is intact, if exceeding, shell
Body seals damaged.
9. the control method of infrared and ultraviolet flame detector control system according to claim 7, it is characterised in that：Step 13
The condition of a fire is determined whether there is using following methods：
Step a, with sample frequency f gather T seconds time in Infrared Data and ultraviolet light data；
Step b, to Infrared Data carry out Fourier transformation, obtain the characteristic frequency Fa of Infrared Data, and record T seconds time
Interior ultraviolet light pulse number Fb；
Whether step c, judgement characteristic frequency Fa are in defined frequency range, and whether ultraviolet light pulse number Fb numerical value is more than
Umber of pulse threshold value E, if so, then having the condition of a fire, if it is not, not having the condition of a fire then.
10. the control method of infrared and ultraviolet flame detector control system according to claim 7, it is characterised in that：Step 1
Determine whether to obtain the alarm signal that other flame detectors are sent with also including controller between step 2, if not receiving,
Into step 2, if receiving, wake up and enter step 14 after controller.
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| CN108806165A (en) * | 2018-08-15 | 2018-11-13 | 重庆英卡电子有限公司 | Photo taking type flame detection system and its control method |
| CN108961647A (en) * | 2018-08-15 | 2018-12-07 | 重庆英卡电子有限公司 | Photo taking type flame detector and its control method |
| CN108939384A (en) * | 2018-07-19 | 2018-12-07 | 安徽共生众服供应链技术研究院有限公司 | A kind of Initial Stage of Fire automatic fire extinguishing system based on robot |
| CN108986379A (en) * | 2018-08-15 | 2018-12-11 | 重庆英卡电子有限公司 | Flame detector and its control method with infrared photography |
| CN110146793A (en) * | 2019-05-21 | 2019-08-20 | 国网河北省电力有限公司衡水市桃城区供电分公司 | A kind of method of electric line electricity sparking fever class fault location |
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