CN106504460A - A kind of fire alarm system - Google Patents
A kind of fire alarm system Download PDFInfo
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- CN106504460A CN106504460A CN201611145700.5A CN201611145700A CN106504460A CN 106504460 A CN106504460 A CN 106504460A CN 201611145700 A CN201611145700 A CN 201611145700A CN 106504460 A CN106504460 A CN 106504460A
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- fire alarm
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- wifi module
- positional information
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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
-
- 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
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Alarm Systems (AREA)
- Fire Alarms (AREA)
Abstract
The invention discloses a kind of fire alarm system, including：Fire alarm；The number of the fire alarm is at least two；The Cloud Server being connected with the fire alarm, is reported to the police for after the warning message that a fire alarm sends is received, controlling all of fire alarm；The mobile terminal being connected with the Cloud Server, for detecting the positional information of present position and sending to the Cloud Server；Wherein, the fire alarm includes temperature sensor, Smoke Sensor, flame sensor, buzzer and WiFi module；The WiFi module is wirelessly connected with the Cloud Server.It can be seen that, the system realizes wireless connection fire alarm and background server, reduces cost.
Description
Technical field
The present invention relates to fireproof alarming technical field, more particularly to a kind of fire alarm system.
Background technology
In the buildings miscellaneous such as present supermarket, square, office building fire alarm when standard configuration, do not have
If when cannot put into building and use.Although being equipped with fire alarm in the building of many, which only acts on
Simply alarm function, cannot provide more helps.Currently a popular fire-alarm, is essentially all based on temperature sensor
With Smoke Sensor realization, its principle very simple, when temperature and smokescope exceed suddenly certain predetermined threshold value, alarm
Will report to the police.Some alarms can link shower nozzle, sprinkling fire.The facility of these process fire, is only merely single presence, does not have
Have and be linked to be a system.
With the progress of science and technology, have tried to improving fire alarm, also have tried to for fire alarm to be linked to be net
Network system.At present, all kinds of buildings mainly use the distributed fire alarm system of Intellectual bus.The report of the system
Alert device and various kinds of sensors are parallel in bus, are uniformly controlled by computer system.This scheme can be widely used
It is largely because its principle simple, it is easy to realize.
Wherein, the fire alarm system based on Zigbee, ZigBee are translated into " purple honeybee ", and it is similar with bluetooth.It is one
Emerging short-distance wireless communication technology is planted, for sensing control application (Sensor and Control).By IEEE 802.15
Propose in working group, and by its TG4 working groups constituting criterion.The characteristics of Zigbee is maximum is exactly low-power consumption and networking flexibility, mesh
There have been very ripe protocol stack in front TI companies.Connect each fire alarm using Zigbee and be one and good taste
Examination.But it is for industry control that Zigbee is more, has its limitation, so that seldom having on the market in the utilization of Internet of Things
The ripe products of Zigbee, are more that innovation is attempted.
Wherein, the fire alarm system based on GSM, this mode are passed to warning message in control by gsm module
The heart.Gsm module, is a communication module similar to mobile phone, is integrated with some functions of mobile phone on one piece of little circuit board, it
Short message, call etc. can be sent, though module is little, it possesses the function of a lot of mobile phones, have it to be equal to is exactly to have
The core of mobile phone, it in a lot of applications suffers from being widely applied, gsm module by using AT instructions
It can be controlled, module can be connected with computer RS232 serial ports, it is also possible to be controlled with single-chip microcomputer.But use gsm module
Carry out communication and have to insert phonecard and could realize, and corresponding expense can be produced.
Although the distributed fire alarm system principle of the Intellectual bus that commonly use now is simple, it is mounted to
This is very high, needs manpower to enter the laying and installation of row line, and regular maintenance and maintenance difficulty are big.So wireless intelligence is prevented
Fiery warning system is following trend.But the system connected by Zigbee or GSM has significant limitations, feasibility
Not high yet.The fire alarm connected using Zigbee, although have very big flexibility and low-power consumption, but its coverage has
Limit.Zigbee is more to apply to industrial control field, does not have very ripe product in Internet of Things this respect.Additionally, most heavy
Wanted is a little simply to cannot be connected to internet with Zigbee, for information and data cannot upload to background service
Device.The fire alarm system connected by GSM, needs each fire alarm with a Mobile phone card, could with control in
The heart is attached, and cost is very big.
Content of the invention
It is an object of the invention to provide a kind of fire alarm system, realizes wireless connection fire alarm and background service
Device, reduces cost.
For solving above-mentioned technical problem, the present invention provides a kind of fire alarm system, and the system includes：
Fire alarm；The number of the fire alarm is at least two；
The Cloud Server being connected with the fire alarm, for receiving the alarm signal that a fire alarm sends
After breath, control all of fire alarm and reported to the police；
The mobile terminal being connected with the Cloud Server, for detecting the positional information of present position and sending to institute
State Cloud Server；
Wherein, the fire alarm includes temperature sensor, Smoke Sensor, flame sensor, buzzer and WiFi
Module；The WiFi module is wirelessly connected with the Cloud Server.
Preferably, the WiFi module is NL6621-Y1wifi modules.
Preferably, the WiFi module also includes SoC chip.
Preferably, the temperature sensor, Smoke Sensor, flame sensor are connected with WiFi module with buzzer.
Preferably, the system also includes：The monitoring center being connected with the Cloud Server, for showing all of fire prevention
The positional information of the positional information of alarm, status information and mobile terminal.
Preferably, the Cloud Server also includes：Microprocessor, for the position of the fire alarm to sending warning message
The positional information of confidence breath and mobile terminal is analyzed, and obtains escape routes and sends to mobile terminal.
A kind of fire alarm system provided by the present invention, including：Fire alarm；The number of the fire alarm is
At least two；The Cloud Server being connected with the fire alarm, for receiving the warning that a fire alarm sends
After information, control all of fire alarm and reported to the police；The mobile terminal being connected with the Cloud Server, is worked as detection
The positional information of front position is simultaneously sent to the Cloud Server；Wherein, the fire alarm includes temperature sensor, cigarette
Mist sensor, flame sensor, buzzer and WiFi module；The WiFi module is wirelessly connected with the Cloud Server.
It can be seen that, in the fire alarm system, fire alarm is wirelessly connected with Cloud Server by WiFi module, realizes wirelessly connecting
Connect fire alarm and background server, it is to avoid adopt track laying, reduces cost, and one is being received using Cloud Server
After the warning message that individual fire alarm sends, trigger all of fire alarm and reported to the police, contribute to evacuating people in time
Group, and mobile terminal detects the positional information of present position and sends to Cloud Server that people just pass through Cloud Server
The positional information of mobile terminal can be solved in time, be easy to the trapped personnel to holding mobile terminal to implement relief.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Inventive embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, can be with basis
The accompanying drawing of offer obtains other accompanying drawings.
A kind of structural representation schematic diagram of fire alarm system that Fig. 1 is provided by the embodiment of the present invention；
Fig. 2 is NL6621-Y1 workflow diagrams；
Fig. 3 is weighting labyrinth algorithm flow chart.
Specific embodiment
The core of the present invention is to provide a kind of fire alarm system, wirelessly to connect fire alarm and background server,
Reduces cost.
In order that those skilled in the art more fully understand the present invention program, below in conjunction with the embodiment of the present invention in
Accompanying drawing, to the embodiment of the present invention in technical scheme be clearly and completely described, it is clear that described embodiment is only
The a part of embodiment of the present invention, rather than whole embodiments.Embodiment in based on the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
Refer to Fig. 1, a kind of structural representation schematic diagram of fire alarm system that Fig. 1 is provided by the embodiment of the present invention,
The system includes：
Fire alarm 101；The number of fire alarm 101 is at least two；
The Cloud Server 102 being connected with fire alarm 101, for receiving the warning that a fire alarm sends
After information, control all of fire alarm and reported to the police；
The mobile terminal 1 03 being connected with Cloud Server 102, for detect present position positional information and send to
Cloud Server 102；
Wherein, fire alarm includes temperature sensor, Smoke Sensor, flame sensor, buzzer and WiFi module；
WiFi module is wirelessly connected with Cloud Server.
It can be seen that, in the fire alarm system, fire alarm is wirelessly connected with Cloud Server by WiFi module, real
Now wirelessly connect fire alarm and background server, it is to avoid adopt track laying, reduces cost, and exist using Cloud Server
After receiving the warning message that fire alarm sends, trigger all of fire alarm and reported to the police, contribute to and
When Evacuation, and the positional information of mobile terminal detection present position send to Cloud Server, people pass through cloud
Server just can solve the positional information of mobile terminal in time, be easy to the trapped personnel to holding mobile terminal to implement relief.
Said system is based on, specifically, WiFi module is NL6621-Y1wifi modules.
Wherein, WiFi module also includes SoC chip.
Further, temperature sensor, Smoke Sensor, flame sensor are connected with WiFi module with buzzer.
Further, the system also includes：The monitoring center being connected with Cloud Server, for showing all of fire prevention report
The positional information of the positional information, status information and mobile terminal of alert device.
Further, Cloud Server also includes：Microprocessor, for the position of the fire alarm to sending warning message
The positional information of information and mobile terminal is analyzed, and obtains escape routes and sends to mobile terminal.
Wherein, fire alarm is referred to herein as intelligent fireproof device.Cloud Server is referred to herein as rear
Platform server.
In the present invention, each intelligent fireproof device is connected together one intelligence system of composition first, so convenient
Management and linkage.When certain intelligent fire-proofing device sends alarm, alarm region can be navigated to by backstage Cloud Server, be convenient for people to
Find fire location and process the condition of a fire.And, when an intelligent fireproof device sends alarm, other intelligent fireproofs
Device should also send alarm and carry out Evacuation.Secondly, it is that intelligent fireproof device is installed configuration, upgrading, maintenance and safeguards and will facilitate.
The running parameter configuration of intelligent fireproof device and the upgrading of software section can be realized by backstage Cloud Server, and hardware
Original intelligent fireproof device need to only be replaced by partial upgrading, need not change whole system.Due to using nothing
Line connection scheme, overhauls and safeguards very convenient, will not lead one as the distributed fire alarm system of Intellectual bus
Send out and dynamic whole body.Finally, be Cloud Server to be connected to, connection server can to the data processing collected and record, and
And facilitate Admin Administration and monitoring, can also provide the user various services.
Specifically, intelligent fireproof device is a modified version to fire alarm now on the market.Except common
Outside the various kinds of sensors such as buzzer that alarm has, temperature sensor, Smoke Sensor, intelligent fireproof device also has
NL6621-Y1wifi modules.This module not only can be wirelessly connected to route, but also can use as microcontroller, can
To carry out preliminary process to the data that collection is returned.According to the position that each intelligent fireproof device is located, building is drawn
It is divided into multiple regions and to each zone number, so the information for being transferred to background server can all carry corresponding numbering,
Confirmation is originated.NL6621-Y1 workflows such as Fig. 2.
Under normal circumstances, NL6621-Y1 is divided through row is preliminary to data by the corresponding data of the collection of various sensors
Analysis.If data exceed threshold value, alarm can ring, and send warning information to background server, relay to backstage Cloud Server.
If data occur drastically to be mutated but do not reach threshold value or abnormal NL6621-Y1 generations, warning message can be sent to backstage
Server.When various sensors occur abnormal, abnormal information is sent to background server.When fire occurs, NL6621-
Y1 can allow so the data that collected pass to Cloud Server in real time keeper to monitor each sensor, and can judge
The scope for involving and the size of the intensity of a fire of fire.
Alarm in the present invention using three kinds of sensors is mainly adopted, respectively temperature sensor, Smoke Sensor and
Flame sensor.Wherein, temperature sensor uses DS18B20 modules.The module only needs an end using unique one-wire interface
Mouth pin is communicated, and directly transmission data signal is without the need for be AD converted again.Temperature-measuring range is：- 55～+125 DEG C, can be right
Fire is checked.Temperature is read with 9 bit digital quantities, and error is little.
Wherein, Smoke Sensor uses simulation MQ-2 Smoke Sensor modules.MQ-2 gas sensors are used
Gas sensitive is the relatively low tin ash of electrical conductivity (SnO2) in clean air.When there is combustible gas in sensor local environment
During body, the electrical conductivity of sensor increases with the increase of combustable gas concentration in air.Can be by conductance using simple circuit
The change of rate is converted to the output signal corresponding with the gas concentration.MQ-2 gas sensors are to liquefied gas, propane, hydrogen
Sensitivity is high, and the detection to natural gas and other combustible vapors is also highly desirable.This sensor can detect multiple imflammable gas,
It is a inexpensive sensor for being suitable for multiple applications.The analog signal of the module output becomes numeral after AD conversion
Amount, is easy to transmit and processes.
Wherein, flame sensor uses infra red flame sensor.Its operation principle is that detection flame or wavelength exist
Light source in 760 nanometers～1100 nanometer ranges.Detection angle is 60 degree, has six infra red flame sensors just can be with theory
Cover all around.The size of distance and flame is changed into analog signalses by the module, can just be obtained by an AD converter
Arrive corresponding voltage.Processor can be different according to the environment used by the module, arrange different threshold values.
Specifically, NL6621-Y1wifi modules are a high integration SOC, specifically for high data throughput low cost
Wireless LAN Equipments and design.It is integrated with MCU, and MAC, 1T1R base band and band power amplifier RF transceivers are on chips
NL6621M supports 802.11b/g/n and Wi-Fi direct (SDIO network interface card patterns), BSS STA, soft AP, WiFi protection settings.
It also supports WMM-PS and WPA/WPA2 security protocols.NL6621M can both make host processor control from equipment and also can make not
Need the independent wlan device of any other processor.The general-purpose interface that it supports includes QuadSPI, standard SPI, I2C,
UART, GPIO, I2S audio frequency, PWM audio frequency.NL6621M can be not so good as the abundant week such as audio amplifier, camera, flash memory, liquid crystal display
Edge equipment is joined directly together.The abundant Internet protocol such as TCP/IP, UPD, HTTP has been integrated in NL6621M.High performance nothing
Line is transmitted, and abundant interface and agreement support to make NL6621M to become ANTENNAUDIO, wireless video, wireless wisdom family and wireless
The optimal selection of the one chip solutions such as medical treatment.The present invention is using the module not only due to it provides multiple networking modes and rich
Rich Internet protocol, but also because it can be used as single-chip microcomputer, have up to 32 GPIO and various interfaces, make us
Intelligent fireproof device can be improved according to different demands.
Wherein, backstage Cloud Server mainly the information that intelligent fireproof device and mobile phone app are transmitted is collected and
Process, and tackle various types of informations.In fire alarm system, need by backstage Cloud Server to intelligent fire-proofing
The running parameter of alarm such as threshold value etc. is configured, and so can be directed to different use environments, arrange different parameters,
To improve the security of intelligent fireproof device and reduce rate of false alarm.Further, it is also possible to it is anti-to intelligence to pass through backstage Cloud Server
The software section of fiery alarm is upgraded.
Under normal circumstances, backstage Cloud Server is collected data from each intelligent fireproof device and is recorded, each to received
The information of kind is responded.If backstage Cloud Server receives exception or warning message, keeper can be reminded, respective regions are entered
Row maintenance and maintenance.If receiving warning information, can link other intelligent fireproof devices, send out to other intelligent fireproof devices
Go out warning information, Evacuation.During generation fire, backstage Cloud Server can receive customer position information from mobile phone app terminations,
These information are issued fire department, when to search and rescue targetedly, increases the possibility of surviving of trapped personnel.Additionally, also
The positional information of user can be utilized, by weighting labyrinth algorithm, is that the user calculates safest escape route.
Mobile phone app ends can receive backstage Cloud Server and spread out of warning and the warning message that comes, real time inspection each intelligence
The data and working condition of fire alarm.When fire occurs, people can pass through mobile phone app and open the flat of current building
Face figure checks the floor at place and region, and the area information oneself being located is passed to Cloud Server, will be from backstage cloud service
The escape route of optimum is obtained in device, and is shown on mobile phone screen.
The labyrinth algorithm for using is the depth-first search (DFS) for improving.Depth Priority Algorithm (Depth-
First-Search), be searching algorithm one kind.It is the node of the extreme saturation tree along tree, as deep as possible search tree
Branch.When all sides of node v, all oneself was sought, and is searched for and will be traced back to the start node on that side for finding node v.This
Process is performed until till having been found that all nodes reachable from source node.If also there is undiscovered node, select
One of them is selected as source node and repeats above procedure, till whole process is performed repeatedly until that all nodes are all accessed.
The thought of DFS algorithms is：To a Connected undigraph, in figure is accessed after a certain initial vertex v, by v, access it certain
One adjacent vertex w1；Again from w1, access adjacent with w1 but without the summit w2 for accessing；Then again from w2, enter
The similar access of row；...；So go on, till the summit u that all of its neighbor summit is all accessed is reached；Then,
Backward is returned, the adjacent vertex for whether also having other not visited is seen on the summit once just accessed before returning back to, if
Have, then access this summit, afterwards again from this summit, carry out and aforementioned similar access；If it did not, just returning backward again
Carry out similar access.Repeat said process, till all summits are all accessed in the connected graph.
The entrance that labyrinth algorithm is formulated, that is, the node for starting is position that user is located, and outlet can be selected by user, be
Where the convenient rescue such as gate, near windows or some temporarily safer regions.From entrance, along a direction to
Front exploration, often will add the weights in the region through corresponding region.Often make a move and will compare added up weights and do not surpass
Limit value is crossed, the path for needing to calculate can be so reduced, the efficiency of algorithm is improved.If added up weights are less than limit value,
Then continue to go ahead；Otherwise return along former road and recall, change a direction and be further continued for exploring.Until all possible path is all visited
Rope is to.If a certain step explores outlet just, paths from the inlet to the outlet are just have found.In order to ensure
Can return along former road on any position, prevent endless loop, need a large amount of records are preserved using storehouse.As algorithm is in cloud
Run on server, it is not necessary to worry this shortcoming.And shortest path in maze footpath will be solved, then must be gone out with depth-first search all
The path of outlet is reached, and the minimum path of sum weight is obtained by comparing. so also inevitable requirement increases data space to protect
Deposit and searched for.
Before using this algorithm, the position that the plan according to building and intelligent fireproof device are located is obtained
Data storage in one drawing, establish the space relationship between each region, could so realize algorithm.Limit value is root
The injury for continuing to cause of human body is formulated according to different temperatures and smokescope.Therefore, limit value and temperature smokescope with
And there is relation the time.The formulation of limit value, it is desirable to when environment reaches limit value, human body can also normally freely one section of activities
Time.
Data and area of the weights in each region according to intelligent fireproof device from various sensor collections to each region
Domain and the distance formulation of user position.Therefore, the weights in each region are relevant with temperature and smokescope, Ye Yugai areas
Domain and the distance dependent of entrance.If data cannot be obtained from intelligent fireproof device, the weights in the region being located set
For sufficiently large more than limit value so that when algorithm calculates escape route, do not pass through from the region.So formulating weights can be fine
The situation and danger that reflect regional, safe and reliable escape route can be made for user.Calculate in weighting labyrinth
Method flow process such as Fig. 3.
Based on the present invention provide fire alarm system, the system using wifi communication mode, using weighted value after
Labyrinth algorithm, using intelligent fireproof device based on NL6621-Y1.The system adopts wifi connected modes, will be all of
Intelligent fireproof device is connected on Cloud Server by router, and do so can reduce the cost that installs and safeguard first.
Secondly, each intelligent fireproof device can be managed collectively from backstage.When intelligent fireproof device occur alarm or
When person is abnormal, abnormal area can be navigated to rapidly, infringement is dropped to minimum.Finally, being can in real time by various sensors
The data of collection are passed to Cloud Server and collect and analyze.The system may provide the user with diversified clothes by internet
Business.Keeper can be configured to intelligent fireproof device by backstage Cloud Server and be upgraded, monitor in real time regional
Situation.User just can be with the various data of real time inspection and the working condition of intelligent fireproof device, and in fire by mobile phone app
Calamity can also draw optimal escape route when occurring.
Above a kind of fire alarm system provided by the present invention is described in detail.Used herein specifically individual
Example is set forth to principle of the invention and embodiment, and the explanation of above example is only intended to help understand the present invention's
Method and its core concept.It should be pointed out that for those skilled in the art, without departing from the principle of the invention
On the premise of, some improvement and modification can also be carried out to the present invention, these improvement and modification also fall into the claims in the present invention
Protection domain in.
Claims (6)
1. a kind of fire alarm system, it is characterised in that include：
Fire alarm；The number of the fire alarm is at least two；
The Cloud Server being connected with the fire alarm, for receiving the warning message that a fire alarm sends
Afterwards, control all of fire alarm to be reported to the police；
The mobile terminal being connected with the Cloud Server, for detecting the positional information of present position and sending to the cloud
Server；
Wherein, the fire alarm includes temperature sensor, Smoke Sensor, flame sensor, buzzer and WiFi module；
The WiFi module is wirelessly connected with the Cloud Server.
2. the system as claimed in claim 1, it is characterised in that the WiFi module is NL6621-Y1wifi modules.
3. system as claimed in claim 2, it is characterised in that the WiFi module also includes SoC chip.
4. the system as claimed in claim 1, it is characterised in that the temperature sensor, Smoke Sensor, flame sensor and
Buzzer is connected with WiFi module.
5. the system as claimed in claim 1, it is characterised in that also include：The monitoring center being connected with the Cloud Server, is used
Positional information in the positional information, status information and mobile terminal for showing all of fire alarm.
6. the system as described in any one in claim 1 to 5, it is characterised in that the Cloud Server also includes：Microprocessor
Device, for being analyzed to the positional information of fire alarm and the positional information of mobile terminal that send warning message, obtains
Escape routes are simultaneously sent to mobile terminal.
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| CN108541115A (en) * | 2018-03-20 | 2018-09-14 | 深圳市泰和安科技有限公司 | A kind of lamps and lanterns and its control method and device |
| CN111341047A (en) * | 2020-02-14 | 2020-06-26 | Oppo（重庆）智能科技有限公司 | Unexpected event processing method and related equipment |
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