CN109118700A - A kind of fire detection interlink alarm system and its method based on LoRaWAN - Google Patents
A kind of fire detection interlink alarm system and its method based on LoRaWAN Download PDFInfo
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- CN109118700A CN109118700A CN201811297603.7A CN201811297603A CN109118700A CN 109118700 A CN109118700 A CN 109118700A CN 201811297603 A CN201811297603 A CN 201811297603A CN 109118700 A CN109118700 A CN 109118700A
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- 238000001514 detection method Methods 0.000 title claims abstract description 116
- 238000000034 method Methods 0.000 title claims abstract description 14
- 235000019504 cigarettes Nutrition 0.000 claims description 14
- 230000000644 propagated effect Effects 0.000 claims description 14
- 230000035807 sensation Effects 0.000 claims description 14
- 238000010792 warming Methods 0.000 claims description 14
- 238000012797 qualification Methods 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 9
- 238000009529 body temperature measurement Methods 0.000 claims description 6
- HUTDUHSNJYTCAR-UHFFFAOYSA-N ancymidol Chemical compound C1=CC(OC)=CC=C1C(O)(C=1C=NC=NC=1)C1CC1 HUTDUHSNJYTCAR-UHFFFAOYSA-N 0.000 claims description 5
- 238000012545 processing Methods 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000012795 verification Methods 0.000 claims description 3
- 230000007547 defect Effects 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000013480 data collection Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 210000002230 centromere Anatomy 0.000 description 2
- 230000006735 deficit Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- QVFWZNCVPCJQOP-UHFFFAOYSA-N chloralodol Chemical compound CC(O)(C)CC(C)OC(O)C(Cl)(Cl)Cl QVFWZNCVPCJQOP-UHFFFAOYSA-N 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
- G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
- G08B25/10—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using wireless transmission systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/021—Services related to particular areas, e.g. point of interest [POI] services, venue services or geofences
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The invention discloses a kind of fire detection interlink alarm system and its method based on LoRaWAN, belong to internet of things field, including several radio gang fire detection alarms, several LoRaWAN gateways, network management server, application management server, linkage alarm server and management terminal, solves adjacent multiple fire detectors linkage detection and the adjacent space interlink warning simultaneously the technical issues of, the present invention changes single alarm equipment alarm mode, realize adjacent alarm automatic linkage alarm, after triggering alarm occurs for somewhere fire, the alarm that adjacent area may be implemented is simultaneously emitted by local sound-light alarm, adjacent personnel can be notified to withdraw in time, compensate for the defect of existing local alarm and wireless phone alarm；The present invention calculated using many algorithms, can be according to fire damage radius, alarm in auto-associating nearby sphere；The present invention is based on the low-power consumption wide area technology of LoRaWAN, realize that alarm battery is powered for a long time.
Description
Technical field
The invention belongs to internet of things field, in particular to a kind of fire detection interlink warning system based on LoRaWAN
System and its method.
Background technique
As urbanization process is accelerated, fire hazard quantity is continuously increased, and people's fire-fighting consciousness are gradually increased, and installs fire
Detecting alarm obtains a degree of universal, and effect has been played in terms of Reduction of Fire Disaster.In order to effectively prevent and contain weight, spy
The dead group of conflagration especially group hurts fire-fighting accident, and fire department is required in some unsuitable wired fire detection alarms of installation
Place, which is promoted, installs free-standing fire detection alarm or wireless fire disaster detecting alarm, such as school dormitory, rental house, house
The crowd is dense the place such as building, plays the role of fire preventing, but there is also some defects and deficiencies for above-mentioned alarm, solely
Vertical detecting alarm can only local sound-light alarm prompt, realize the detection alarm in point-to-point single space, people is not at the scene
It can not receive warning message.Wireless fire disaster detecting alarm uses NB-IoT LoRa technology, while local sound-light alarm,
Warning message is sent on computer or mobile phone by network, type of alarm can will be alarmed using phone, short message, wechat etc.
Information is pushed to the relevant personnel, takes timely measure, the disadvantage is that computer or mobile phone must be carried at any time, also will appear not in time
Check the situation for causing leakage receiving alert.All there is significant limitation in both the above mode, cannot be effective when fire occurs
Warning message is timely transmitted to the neighbours of point of origin, adjacent evacuating personnel cannot be notified in time, miss escape good opportunity, from
And it results in greater loss.
Summary of the invention
The object of the present invention is to provide a kind of fire detection interlink alarm system and its method based on LoRaWAN, solution
Adjacent multiple fire detectors linkage detection and the adjacent space interlink warning simultaneously the technical issues of.
To achieve the above object, the invention adopts the following technical scheme:
A kind of fire detection interlink alarm system based on LoRaWAN, including several radio gang fire detection alarms,
Several LoRaWAN gateways, network management server, application management server, linkage alarm server and management terminal, institute whether there is or not
Link fire detection alarm and all LoRaWAN gateways of line forms LoRaWAN network, each LoRaWAN gateway with it is multiple
The communication of radio gang fire detection alarm；
LoRaWAN network further includes the network management server and the application management server；
All LoRaWAN gateways pass through cable and communicate with the network management server, the network management clothes
Business device is communicated by cable with the application management server；
The application management server is communicated by internet with the radio gang fire detection alarm, described wireless
The fire detection alarm that links passes through internet and management terminal communications.
Preferably, when the radio gang fire detection alarm is with the LoRaWAN gateway communication, the LoRaWAN
Gateway selects the radio gang fire detection alarm identical with itself channel and frequency point to be communicated.
Preferably, the radio gang fire detection alarm includes MCU microprocessor, LoRaWAN module, sound-light alarm
Module, gas detection module, temperature measurement module and battery, gas detection module and temperature measurement module are respectively cigarette propagated sensation sensor and warming
Sensor, cigarette propagated sensation sensor and warming sensor are connect with two groups of I/O ports of MCU microprocessor respectively, and sound and light alarm module is police
Number, warning signal connects one group of I/O port of MCU microprocessor, and LoRaWAN module connects MCU microprocessor by SPI interface.
Preferably, the model SX1262 of the LoRaWAN chip；The MCU microprocessor is CORTEX-M0 processing
Device；The cigarette propagated sensation sensor and the warming sensor are the cigarette propagated sensation sensor that output is on-off model and warming sensing
Device；The 103 acousto-optic warning signal of model of the warning signal；The model ZYLW001LoRaWAN gateway of the LoRaWAN gateway.
Preferably, the management terminal includes mobile terminal and WEB terminal, and the mobile terminal is mobile phone and tablet computer；It is described
WEB terminal is PC computer.
A kind of fire detection interlink warning method based on LoRaWAN, includes the following steps:
Step 1: establishing a kind of fire detection interlink alarm system based on LoRaWAN, all radio gang fire are visited
It surveys alarm and is installed in fire impairment monitoring area, record the number and position letter of all radio gang fire detection alarms
Breath, and typing linkage alarm server；
The location information includes longitude, dimension and height；
Step 2: linkage alarm server sets a radio gang fire detection alarm as center node, with centromere
Centered on point, it is associated with fire damage model, calculates fire damage range；
Step 3: linkage alarm server reads all radio gang fire detecting and alarms within the scope of fire damage
The number and location information of device, and the calculating of Hamming distance is carried out, generate Hamming distance data set；
Step 4: linkage alarm server presets a Hamming distance qualifications and a fire damage radius limits item
Part；
Linkage alarm server is according to Hamming distance qualifications, fire damage radius qualifications and Hamming distance data
Collection carries out the processing of arest neighbors sorting algorithm, finds out all radio gang fire detecting and alarms in central node nearby sphere
Device number and Hamming distance data set, generating device the encoding list and Hamming distance list, and by central node and its adjacent to model
All radio gang fire detection alarms in enclosing form a linkage group of networks；Linkage group of networks includes all in linkage net
Number, channel and the frequency point of radio gang fire detection alarm in network group；
Linkage alarm server generates alarm linkage plan according to central node, device coding list and Hamming distance list
Slightly；
Step 5: from Step 2 to Step 4 is repeated, until all radio gang fire detection alarms are generated alarm
Linkage strategy；
Linkage alarm server makes alarm linkage Policy List according to alarm linkage strategy；
Linkage alarm server is according to linkage group of networks production linkage Netgroups List；
Step 6: linkage Netgroups List is handed down to application management server, application management service by linkage alarm server
Device is stored passing to network management server；
Step 7: when some radio gang fire detection alarm A issues fire alarm, radio gang fire detection
Alarm A sends LoRaWAN identical with its channel and frequency point for warning message and the number of itself by LoRaWAN network
On gateway, LoRaWAN gateway by warning message, itself gateway number, radio gang fire detection alarm A number, letter
Road, frequency point, field strength, signal-to-noise ratio and receiving time are sent to network management services, and network management server is transmitted to using pipe
Server is managed, application management server makes data packet, and data packet includes receiving time, the number for receiving gateway, channel, frequency
Point, field strength, the number of signal-to-noise ratio and radio gang fire detection alarm A；
Step 8: application management server delivers a packet to linkage alarm server, and linkage alarm server is according to report
Alert linkage strategy list, reads the alarm linkage strategy with radio gang fire detection alarm A, and make alarm linkage control
Information, it includes all relevant in the alarm linkage strategy of radio gang fire detection alarm A that alarm linkage, which controls information,
The number of radio gang fire detection alarm；
Linkage alarm server provides man machine operation interface for user, shows that alarm linkage controls information, user for user
Determine that alarm linkage controls information after verification on man machine operation interface；
By alarm linkage control, information is handed down to application management server to linkage alarm server, application management server exists
It is transmitted to network management server and saves, network management server controls information according to alarm linkage, and passes through LoRaWAN net
Network issues alarm command to all relevant radio gang fire detection alarms；
Step 9: all radio gang fire detection alarms for receiving alarm command pass through the sound-light alarm mould of itself
Block issues alarm；
Step 10: after fire, user inputs alarm release to linkage alarm server by man machine operation interface and refers to
It enables, alarm release instruction is handed down to application management server by linkage alarm server, and application management server is transmitted to network
Management server, network management server all relevant radio gang fire detection alarms into alarm linkage control information
Send alarm release instruction；
Step 11: all radio gang fire detection alarms for receiving alarm release instruction close the acousto-optic report of itself
The alarm of alert module.
A kind of fire detection interlink alarm system and its method based on LoRaWAN of the present invention, solves adjacent
Multiple fire detectors linkage detection and adjacent space simultaneously interlink warning the technical issues of, first time multimode notice
Periphery takes measures to evacuate in time adjacent to personnel；The present invention changes single alarm equipment alarm mode, realizes adjacent alarm certainly
Dynamic interlink warning, after triggering alarm occurs for somewhere fire, the alarm that adjacent area may be implemented is simultaneously emitted by local acousto-optic
Alarm, can notify in time adjacent personnel to withdraw, and compensate for the defect of existing local alarm and wireless phone alarm；The present invention adopts
It is calculated with many algorithms, can be according to fire damage radius, alarm in auto-associating nearby sphere；The present invention is based on
The low-power consumption wide area technology of LoRaWAN realizes that alarm battery is powered for a long time.
Detailed description of the invention
Fig. 1 is interlink alarm system configuration diagram of the invention；
Fig. 2 is interlink warning strategy generating schematic diagram of the invention；
Fig. 3 is interlink warning service implementation diagram of the invention.
Specific embodiment
Embodiment 1:
The as shown in Figure 1 fire detection interlink alarm system that the object of the present invention is to provide a kind of based on LoRaWAN and
Its method solves adjacent multiple fire detectors linkage detection and the adjacent space interlink warning simultaneously the technical issues of.
To achieve the above object, the invention adopts the following technical scheme:
A kind of fire detection interlink alarm system based on LoRaWAN, including several radio gang fire detection alarms,
Several LoRaWAN gateways, network management server, application management server, linkage alarm server and management terminal, institute whether there is or not
Link fire detection alarm and all LoRaWAN gateways of line forms LoRaWAN network, each LoRaWAN gateway with it is multiple
The communication of radio gang fire detection alarm；
LoRaWAN network further includes the network management server and the application management server；
All LoRaWAN gateways pass through cable and communicate with the network management server, the network management clothes
Business device is communicated by cable with the application management server；
The application management server is communicated by internet with the radio gang fire detection alarm, described wireless
The fire detection alarm that links passes through internet and management terminal communications.
When not having fire, all radio gang fire detection alarms are in reception state, when there is a radio gang
When fire detection alarm issues alarm, which, into linkage alarm server, is joined by LoRaWAN transmission of network
Dynamic Alarm Server issues association alarm command by LoRaWAN network, receives the radio gang fire of association alarm command
Detecting alarm implements alarm by the warning signal of itself.
Preferably, when the radio gang fire detection alarm is with the LoRaWAN gateway communication, the LoRaWAN
Gateway selects the radio gang fire detection alarm identical with itself channel and frequency point to be communicated.
LoRaWAN module in radio gang fire detection alarm may use different channel and frequency when leaving the factory
Point, the present invention support multichannel and frequency point by the way of multiple LoRaWAN gateways, set for live more exchange device and its installation
It is standby to bring convenience.
Preferably, the radio gang fire detection alarm includes MCU microprocessor, LoRaWAN module, sound-light alarm
Module, gas detection module, temperature measurement module and battery, gas detection module and temperature measurement module are respectively cigarette propagated sensation sensor and warming
Sensor, cigarette propagated sensation sensor and warming sensor are connect with two groups of I/O ports of MCU microprocessor respectively, and sound and light alarm module is police
Number, warning signal connects one group of I/O port of MCU microprocessor, and LoRaWAN module connects MCU microprocessor by SPI interface.
Preferably, the model SX1262 of the LoRaWAN chip；The MCU microprocessor is CORTEX-M0 processing
Device；The cigarette propagated sensation sensor and the warming sensor are the cigarette propagated sensation sensor that output is on-off model and warming sensing
Device；The 103 acousto-optic warning signal of model of the warning signal；The model ZYLW001-LoRaWAN gateway of the LoRaWAN gateway.
The cigarette propagated sensation sensor and the warming sensor are digital sensor, and output signal is on-off model,
When MCU microprocessor detects the output signal variation of the cigarette propagated sensation sensor and the warming sensor by I/O port, i.e.,
Determination has fire alarm.
103 acousto-optic warning signals are the combined aural and visual alarm of 3V power supply, and MCU microprocessor directly controls whether it opens by I/O port
Alarm.
SX1262 passes through SPI interface and MCU microprocessor communication.
Preferably, the management terminal includes mobile terminal and WEB terminal, and the mobile terminal is mobile phone and tablet computer；It is described
WEB terminal is PC computer.
Management terminal, which provides APP client and WEB page, user, can realize typing by mobile phone or WEB webpage
Alarm installation maintenance information checks alarm work state, management and setting type of alarm, provides artificial Remote triggering alarm
The functions such as device alarm.Meanwhile it being associated with Alarm Server and also passing through internet to mobile phone set by user or terminal computer push report
Alert information.
Embodiment 2:
As shown in Fig. 2-Fig. 3, a kind of fire detection interlink warning method based on LoRaWAN as described in example 2 be
It realizes on the basis of a kind of fire detection interlink alarm system based on LoRaWAN described in embodiment 1, including walks as follows
It is rapid:
Step 1: establishing a kind of fire detection interlink alarm system based on LoRaWAN, all radio gang fire are visited
It surveys alarm and is installed in fire impairment monitoring area, record the number and position letter of all radio gang fire detection alarms
Breath, and typing linkage alarm server；
The location information includes longitude, dimension and height；
Step 2: linkage alarm server sets a radio gang fire detection alarm as center node, with centromere
Centered on point, it is associated with fire damage model, calculates fire damage range；
Step 3: linkage alarm server reads all radio gang fire detecting and alarms within the scope of fire damage
The number and location information of device, and the calculating of Hamming distance is carried out, generate Hamming distance data set；
Step 4: linkage alarm server presets a Hamming distance qualifications and a fire damage radius limits item
Part；
Linkage alarm server is according to Hamming distance qualifications, fire damage radius qualifications and Hamming distance data
Collection carries out the processing of arest neighbors sorting algorithm, finds out all radio gang fire detecting and alarms in central node nearby sphere
Device number and Hamming distance data set, generating device the encoding list and Hamming distance list, and by central node and its adjacent to model
All radio gang fire detection alarms in enclosing form a linkage group of networks；Linkage group of networks includes all in linkage net
Number, channel and the frequency point of radio gang fire detection alarm in network group；
If the position data of radio gang fire detection alarm can quickly handle to obtain through Hamming distance algorithm process
The Hamming distance of the radio gang fire detection alarm of dry radio gang fire detection alarm and alarm center point fluctuates model
It encloses.
Hamming distance: as a kind of calculation method for measuring characteristic distance, the difference mainly found between two features is big
Small or similitude.
The fluctuating range difference and fire of the available position data for being observed equipment and source device of alarming of Hamming distance
The correlation of radius of vulnerability, and arest neighbors sorting algorithm will handle the former again on the basis of the former with Euclidean distance and classify
Obtained device location data, the final device data collection obtained with alarm center point device arest neighbors.
Linkage alarm server generates alarm linkage plan according to central node, device coding list and Hamming distance list
Slightly；
Step 5: from Step 2 to Step 4 is repeated, until all radio gang fire detection alarms are generated alarm
Linkage strategy；
Linkage alarm server makes alarm linkage Policy List according to alarm linkage strategy；
Linkage alarm server is according to linkage group of networks production linkage Netgroups List；
Step 6: linkage Netgroups List is handed down to application management server, application management service by linkage alarm server
Device is stored passing to network management server；
Step 7: when some radio gang fire detection alarm A issues fire alarm, radio gang fire detection
Alarm A sends LoRaWAN identical with its channel and frequency point for warning message and the number of itself by LoRaWAN network
On gateway, LoRaWAN gateway by warning message, itself gateway number, radio gang fire detection alarm A number, letter
Road, frequency point, field strength, signal-to-noise ratio and receiving time are sent to network management services, and network management server is transmitted to using pipe
Server is managed, application management server makes data packet, and data packet includes receiving time, the number for receiving gateway, channel, frequency
Point, field strength, the number of signal-to-noise ratio and radio gang fire detection alarm A；
Step 8: application management server delivers a packet to linkage alarm server, and linkage alarm server is according to report
Alert linkage strategy list, reads the alarm linkage strategy with radio gang fire detection alarm A, and make alarm linkage control
Information, it includes all relevant in the alarm linkage strategy of radio gang fire detection alarm A that alarm linkage, which controls information,
The number of radio gang fire detection alarm；
Linkage alarm server provides man machine operation interface for user, shows that alarm linkage controls information, user for user
Determine that alarm linkage controls information after verification on man machine operation interface；
By alarm linkage control, information is handed down to application management server to linkage alarm server, application management server exists
It is transmitted to network management server and saves, network management server controls information according to alarm linkage, and passes through LoRaWAN net
Network issues alarm command to all relevant radio gang fire detection alarms；
Step 9: all radio gang fire detection alarms for receiving alarm command pass through the sound-light alarm mould of itself
Block issues alarm；
Step 10: after fire, user inputs alarm release to linkage alarm server by man machine operation interface and refers to
It enables, alarm release instruction is handed down to application management server by linkage alarm server, and application management server is transmitted to network
Management server, network management server all relevant radio gang fire detection alarms into alarm linkage control information
Send alarm release instruction；
Step 11: all radio gang fire detection alarms for receiving alarm release instruction close the acousto-optic report of itself
The alarm of alert module.
A kind of fire detection interlink alarm system and its method based on LoRaWAN of the present invention, solves adjacent
Multiple fire detectors linkage detection and adjacent space simultaneously interlink warning the technical issues of, first time multimode notice
Periphery takes measures to evacuate in time adjacent to personnel；The present invention changes single alarm equipment alarm mode, realizes adjacent alarm certainly
Dynamic interlink warning, after triggering alarm occurs for somewhere fire, the alarm that adjacent area may be implemented is simultaneously emitted by local acousto-optic
Alarm, can notify in time adjacent personnel to withdraw, and compensate for the defect of existing local alarm and wireless phone alarm；The present invention adopts
It is calculated with many algorithms, can be according to fire damage radius, alarm in auto-associating nearby sphere；The present invention is based on
The low-power consumption wide area technology of LoRaWAN realizes that alarm battery is powered for a long time.
Claims (6)
1. a kind of fire detection interlink alarm system based on LoRaWAN, it is characterised in that: visited including several radio gang fire
Survey alarm, several LoRaWAN gateways, network management server, application management server, linkage alarm server and management eventually
End, all radio gang fire detection alarms and all LoRaWAN gateways form LoRaWAN network, each LoRaWAN net
Pass is communicated with multiple radio gang fire detection alarms；
LoRaWAN network further includes the network management server and the application management server；
All LoRaWAN gateways pass through cable and communicate with the network management server, the network management server
It is communicated by cable with the application management server；
The application management server is communicated by internet with the radio gang fire detection alarm, the radio gang
Fire detection alarm passes through internet and management terminal communications.
2. a kind of fire detection interlink alarm system based on LoRaWAN as described in claim 1, it is characterised in that: described
When radio gang fire detection alarm and the LoRaWAN gateway communication, the channel of LoRaWAN the gateway selection and itself
The radio gang fire detection alarm identical with frequency point is communicated.
3. a kind of fire detection interlink alarm system based on LoRaWAN as described in claim 1, it is characterised in that: described
Radio gang fire detection alarm include MCU microprocessor, LoRaWAN module, sound and light alarm module, gas detection module,
Temperature measurement module and battery, gas detection module and temperature measurement module are respectively cigarette propagated sensation sensor and warming sensor, cigarette propagated sensation sensor
It is connect respectively with two groups of I/O ports of MCU microprocessor with warming sensor, sound and light alarm module is warning signal, and it is micro- that warning signal connects MCU
One group of I/O port of processor, LoRaWAN module connect MCU microprocessor by SPI interface.
4. a kind of fire detection interlink alarm system based on LoRaWAN as described in claim 1, it is characterised in that: described
The model SX1262 of LoRaWAN chip；The MCU microprocessor is CORTEX-M0 processor；The cigarette propagated sensation sensor and institute
Stating warming sensor is the cigarette propagated sensation sensor and warming sensor that output is on-off model；The model 103 of the warning signal
Acousto-optic warning signal；The model ZYLW001LoRaWAN gateway of the LoRaWAN gateway.
5. a kind of fire detection interlink alarm system based on LoRaWAN as described in claim 1, it is characterised in that: described
Management terminal includes mobile terminal and WEB terminal, and the mobile terminal is mobile phone and tablet computer；The WEB terminal is PC computer.
6. a kind of fire detection interlink warning method based on LoRaWAN, characterized by the following steps:
Step 1: a kind of fire detection interlink alarm system based on LoRaWAN is established, by all radio gang fire detection reports
Alert device is installed in fire and harms monitoring area, records the number and location information of all radio gang fire detection alarms,
And typing linkage alarm server；
The location information includes longitude, dimension and height；
Step 2: linkage alarm server sets a radio gang fire detection alarm as center node, is with central node
Center is associated with fire damage model, calculates fire damage range；
Step 3: linkage alarm server reads all radio gang fire detection alarms within the scope of fire damage
Number and location information, and the calculating of Hamming distance is carried out, generate Hamming distance data set；
Step 4: linkage alarm server presets a Hamming distance qualifications and a fire damage radius qualifications；
Linkage alarm server according to Hamming distance qualifications, fire damage radius qualifications and Hamming distance data set into
The processing of row arest neighbors sorting algorithm, all radio gang fire detection alarms found out in central node nearby sphere are compiled
Number and Hamming distance data set, generating device the encoding list and Hamming distance list, and will be in central node and its nearby sphere
All radio gang fire detection alarms form a linkage group of networks；Linkage group of networks includes all in linkage group of networks
In radio gang fire detection alarm number, channel and frequency point；
Linkage alarm server generates alarm linkage strategy according to central node, device coding list and Hamming distance list；
Step 5: from Step 2 to Step 4 is repeated, until all radio gang fire detection alarms are generated alarm linkage
Strategy；
Linkage alarm server makes alarm linkage Policy List according to alarm linkage strategy；
Linkage alarm server is according to linkage group of networks production linkage Netgroups List；
Step 6: linkage Netgroups List is handed down to application management server by linkage alarm server, and application management server exists
Network management server is passed to be stored；
Step 7: when some radio gang fire detection alarm A issues fire alarm, radio gang fire detecting and alarm
Device A sends LoRaWAN gateway identical with its channel and frequency point for warning message and the number of itself by LoRaWAN network
On, LoRaWAN gateway by warning message, itself gateway number, the number of radio gang fire detection alarm A, channel, frequency
Point, field strength, signal-to-noise ratio and receiving time are sent to network management services, and network management server is transmitted to application management service
Device, application management server make data packet, data packet include receiving time, receive the number of gateway, channel, frequency point, field strength,
The number of signal-to-noise ratio and radio gang fire detection alarm A；
Step 8: application management server delivers a packet to linkage alarm server, and linkage alarm server joins according to alarm
Dynamic Policy List, reads the alarm linkage strategy with radio gang fire detection alarm A, and makes alarm linkage control letter
Breath, it includes all relevant nothings in the alarm linkage strategy of radio gang fire detection alarm A that alarm linkage, which controls information,
The number of line linkage fire detection alarm；
Linkage alarm server provides man machine operation interface for user, shows that alarm linkage controls information, user's verification for user
Determine that alarm linkage controls information on man machine operation interface afterwards；
By alarm linkage control, information is handed down to application management server to linkage alarm server, application management server is forwarding
To network management server and save, network management server according to alarm linkage control information, and by LoRaWAN network to
All relevant radio gang fire detection alarms issue alarm command；
Step 9: all radio gang fire detection alarms for receiving alarm command are sent out by the sound and light alarm module of itself
It alarms out；
Step 10: after fire, user inputs alarm release instruction, connection to linkage alarm server by man machine operation interface
Alarm release instruction is handed down to application management server by dynamic Alarm Server, and application management server is transmitted to network management clothes
Business device, network management server all relevant radio gang fire detection alarms into alarm linkage control information send report
It is alert to release instruction；
Step 11: all radio gang fire detection alarms for receiving alarm release instruction close the sound-light alarm mould of itself
The alarm of block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811297603.7A CN109118700A (en) | 2018-11-01 | 2018-11-01 | A kind of fire detection interlink alarm system and its method based on LoRaWAN |
Applications Claiming Priority (1)
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