CN110264658A - A kind of fire early-warning system and method - Google Patents
A kind of fire early-warning system and method Download PDFInfo
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- CN110264658A CN110264658A CN201910642585.XA CN201910642585A CN110264658A CN 110264658 A CN110264658 A CN 110264658A CN 201910642585 A CN201910642585 A CN 201910642585A CN 110264658 A CN110264658 A CN 110264658A
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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
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- 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
- G08B25/08—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 communication transmission lines
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- 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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Abstract
The present invention provides a kind of fire early-warning system and method, system includes: each wireless terminal device, for the real-time monitoring signal itself acquired to be transferred to Internet of Things cloud platform by NB-loT network；Each line termination unit, the real-time monitoring signal for acquiring itself are transferred to fire alarm control unit；The received real-time monitoring signal of institute is transferred to Internet of Things cloud platform via user information transmitting device by wired mode for receiving the real-time monitoring signal of each line termination unit acquisition by fire alarm control unit；Internet of Things cloud platform, for receiving various real-time monitoring signals, the received various real-time monitoring signals of institute are converted into preset data form, event handling is carried out to the real-time monitoring signal for being converted to preset data form, the event class that fire alarm event occurs for building is obtained, the fire alarm event for belonging to default warning grade set to event class carries out early warning.Using the embodiment of the present invention, the accuracy rate of fire alarm is improved.
Description
Technical field
The present invention relates to urban fire control technical field more particularly to a kind of fire early-warning system and methods.
Background technique
The economic loss due to caused by fire and casualties are inestimable, once fire occurs, consequence is hardly imaginable,
In order to reduce the generation of event of fire, early warning can be carried out to event of fire.Currently, fire early-warning system is usually only to single biography
The acquisition signal of sensor is handled, and since information source is relatively simple, causes information not comprehensive enough, accuracy rate is lower.
It is therefore desirable to design a kind of new fire early-warning system, to overcome the above problem.
Summary of the invention
It is an object of the invention to overcome the defect of the prior art, a kind of fire early-warning system and method are provided, with reality
Now improve the accuracy rate of fire alarm.
The present invention is implemented as follows:
In a first aspect, the present invention provides a kind of fire early-warning system, the system comprises each wireless terminal devices, each
Line termination unit, Internet of Things cloud platform and fire alarm control unit, wherein
Each wireless terminal device, for being transferred to the real-time monitoring signal itself acquired by NB-loT network
The Internet of Things cloud platform；
Each line termination unit, the real-time monitoring signal for acquiring itself are transferred to the fire alarm control
Device processed；
The fire alarm control unit, for receiving the real-time monitoring signal of each line termination unit acquisition, by having
The received real-time monitoring signal of institute is transferred to the Internet of Things cloud platform via user information transmitting device by line mode；
The Internet of Things cloud platform turns the received various real-time monitoring signals of institute for receiving various real-time monitoring signals
It is changed to preset data form, event handling is carried out to the real-time monitoring signal for being converted to preset data form, obtains building
The event class of fire alarm event, the fire alarm event for belonging to default warning grade set to event class carry out early warning.
Optionally, each line termination unit includes free-standing smoke alarm, combustible gas probe, acousto-optic report
Alert device, manual alarm, spray control cabinet, stabilized pressure pump control cabinet, roof stabilized pressure pump control cabinet, fire hydrant pump control cabinet, transmission
Pump at least one of control cabinet, foam pump control cabinet, smoke control system control cabinet.
Optionally, the Internet of Things cloud platform receives various real-time monitoring signals, specifically:
Various real-time monitoring signals are received based on tls protocol cipher mode.
Optionally, the Internet of Things cloud platform is also used to:
Before receiving various real-time monitoring signals, using bi-directional authentification verification technique to each wireless terminal device and institute
It states fire alarm control unit and carries out authentication verification.
Optionally, the received various real-time monitoring signals of institute are converted to preset data form by the Internet of Things cloud platform, are had
Body are as follows:
Each real-time monitoring signal received for institute obtains the corresponding position data of real-time monitoring signal, equipment is compiled
Number, device type, acquisition time, event initial data and event description；With acquired position data, device numbering, equipment
Each parameter preset in type, sending time, event initial data and event description filling preset data form, is completed the reality
When monitoring signals be converted to preset data form.
Optionally, the Internet of Things cloud platform is also used to:
Whether online detect the fire alarm control unit, if not online, not for the fire alarm control unit
Presence generates the first information off-line；
Perceive whether each wireless terminal device is online by way of heartbeat packet, for not online each wireless
Terminal device generates each second information off-line；
Show the first information off-line generated and each second information off-line.
Optionally, the Internet of Things cloud platform carries out event handling to the real-time monitoring signal for being converted to preset data form,
The event class that fire alarm event occurs for building is obtained, specifically:
According to the real-time monitoring signal for being converted to preset data form, the detector of building interior alert is determined
The operating status and monitor value of quantity, the operating status of all kinds of Fire Control Cabinets and each Wireless/wired terminal device；
If the detector quantity of alert is greater than the first preset value in the same fire compartment of building, determine that this is built
It builds and A class fire alarm event occurs；
If the Fire Control Cabinet quantity in building in unpowered state is greater than the second preset value or two or more disappears
Fiery bolt opens pump button failure or all kinds of Fire Control Cabinet failure summations are more than that four or fire water box liquid level are lower than the first liquid
Position preset value or roof test-fire-hydrants water pressure monitoring value, wet alarm valve group least favorable point water pressure monitoring value are below third
Preset value determines that B class fire alarm event occurs for the building；
If all kinds of Fire Control Cabinets are in manual mode in building or fire water box liquid level is in the first liquid level and presets
To between the second liquid level preset value, C class fire alarm event occurs value for determining building；
If the monitor value of the water pressure monitor of outdoor fire hydrant belonging to building is lower than default hydraulic pressure reference value, the building is determined
D class fire alarm event occurs.
Second aspect, the present invention provide a kind of fire alarm method, which comprises
The real-time monitoring signal itself acquired is transferred to Internet of Things cloud by NB-loT network and put down by each wireless terminal device
Platform；
The real-time monitoring signal itself acquired is transferred to the fire alarm control unit by each line termination unit；
Fire alarm control unit receives the real-time monitoring signal of each line termination unit acquisition, by wired mode via
The received real-time monitoring signal of institute is transferred to the Internet of Things cloud platform by user information transmitting device；
The Internet of Things cloud platform receives various real-time monitoring signals, the received various real-time monitoring signals of institute is converted to pre-
If data format, event handling is carried out to the real-time monitoring signal for being converted to preset data form, building is obtained and fire announcement occurs
The event class of alert event, the fire alarm event for belonging to default warning grade set to event class carry out early warning.
Optionally, each line termination unit includes free-standing smoke alarm, combustible gas probe, acousto-optic report
Alert device, manual alarm, spray control cabinet, stabilized pressure pump control cabinet, roof stabilized pressure pump control cabinet, fire hydrant pump control cabinet, transmission
Pump at least one of control cabinet, foam pump control cabinet, smoke control system control cabinet.
Optionally, the Internet of Things cloud platform receives various real-time monitoring signals, comprising:
Various real-time monitoring signals are received based on tls protocol cipher mode.
The invention has the following advantages: Internet of Things cloud platform can receive from each using the embodiment of the present invention
The real-time monitoring signal of wireless terminal device and fire alarm control unit, information obtained is more comprehensive, and can be by institute
Received various real-time monitoring signals are converted to preset data form, realize the unification to the real-time monitoring signal of separate sources
Processing, improves data-handling efficiency；In turn, the real-time monitoring signal for being converted to preset data form can be carried out at event
Reason obtains the event class that fire alarm event occurs for building, and the fire for belonging to default warning grade set to event class is accused
Alert event carries out early warning, the early warning to the fire alarm event for belonging to default warning grade set is realized, due to event handling
The real-time monitoring signal relied on had not only included the signal of each wireless terminal device acquisition, but also included that each line termination unit is adopted
The real-time monitoring signal of collection, therefore, information source is more comprehensive, improves the accuracy rate of fire alarm.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is a kind of structural schematic diagram of fire early-warning system provided in an embodiment of the present invention；
Fig. 2 is a kind of flow diagram of fire alarm method provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
To solve prior art problem, the embodiment of the invention provides a kind of fire early-warning system and methods.First below
A kind of fire early-warning system provided by the present invention is illustrated.
Referring to Fig. 1, Fig. 1 is a kind of structural schematic diagram of fire early-warning system provided in an embodiment of the present invention, and system includes
Each wireless terminal device, each line termination unit, Internet of Things cloud platform and fire alarm control unit, wherein
Each wireless terminal device, for being transferred to the real-time monitoring signal itself acquired by NB-loT network
The Internet of Things cloud platform；
Each line termination unit, the real-time monitoring signal for acquiring itself are transferred to the fire alarm control
Device processed；
The fire alarm control unit, for receiving the real-time monitoring signal of each line termination unit acquisition, by having
The received real-time monitoring signal of institute is transferred to the Internet of Things cloud platform via user information transmitting device by line mode；
The Internet of Things cloud platform turns the received various real-time monitoring signals of institute for receiving various real-time monitoring signals
It is changed to preset data form, event handling is carried out to the real-time monitoring signal for being converted to preset data form, obtains building
The event class of fire alarm event, the fire alarm event for belonging to default warning grade set to event class carry out early warning.
Each wireless terminal device may include wireless smoke detector, wireless heat detector, the spy of wireless fuel gas
Survey device, wireless water pressure monitor, liquid level wireless monitor, spray control cabinet state monitoring module, stabilized pressure pump control cabinet state prison
Survey module, transmission pump control cabinet state monitoring module, fire hydrant pump control cabinet state monitoring module, foam pump control cabinet state prison
Survey module, smoke control system control cabinet state monitoring module, wherein wireless smoke detector can monitor smokescope；Wirelessly
Combustible gas probe can monitor combustable gas concentration, including food and drink place, household place etc.；Wireless water pressure monitor can
To monitor the hydraulic pressure of self-built unit or municipal fire hydrant, roof test-fire-hydrants, spray system end water testing device；Liquid level wireless
Monitor can monitor fire water box (pond) liquid level；
The spray control cabinet state monitoring module, the stabilized pressure pump control cabinet state monitoring module, the transmission pump control
Cabinet state monitoring module processed, fire hydrant pump control cabinet state monitoring module, foam pump control cabinet state monitoring module, smoke controlling system
Control cabinet state monitoring module of uniting can be hardware cell or software function module respectively, may be respectively used for: monitoring spray control
Cabinet processed, stabilized pressure pump control cabinet, transmission pump control cabinet, fire hydrant pump control cabinet, foam pump control cabinet, smoke control system control cabinet
Operating status, the operating status include manual mode, auto state, power supply status.
Each wireless terminal device can pass through NB-loT (Narrow Band Internet of Things, protenchyma
Networking) real-time monitoring signal is transmitted to Internet of Things cloud platform by network, and Internet of Things cloud platform can be to the received various real-time monitorings of institute
Signal is parsed and is stored, and is handled by the analysis to real-time monitoring signal, is realized the intelligence to various kinds of sensors data
Monitoring, Internet of Things cloud platform can use different warning strategies, handle different business scenarios, realize to different type equipment
Differentiation alarm.For example, different event handling modes can be preset, thus, it is true according to different event handling modes
Determine influence of the different type equipment to fire alarm event.And it can also provide to each wireless terminal device, fire alarm control
The management of device processed provides data for fire-fighting service application and supports.For example, it is possible to monitor each wireless terminal device, fire alarm
Whether controller breaks down or is operating abnormally.
Fire alarm control unit can be a server or host, and each line termination unit can pass through I2C bus
Or the data/address bus such as CAN bus access fire alarm control unit, each line termination unit may include free-standing cigarette sense detection
Device, combustible gas probe, combined aural and visual alarm, manual alarm, spray control cabinet, stabilized pressure pump control cabinet, roof stabilized pressure pump control
Cabinet processed, fire hydrant pump control cabinet, transmission pump control cabinet, foam pump control cabinet, smoke control system control cabinet etc. pass through wired mode
Access the monitoring device of fire alarm control unit.Fire alarm control unit can be connected to user information transmission by wired mode
Then the real-time monitoring signal that all kinds of line termination units acquire is transmitted to Internet of Things cloud by user information transmitting device by device
Platform.Real-time monitoring signal may include warning message and/or device status information etc..
User information transmitting device is the core front-end equipment of urban fire control remote monitoring system, can be used for obtaining and passing
The defeated all kinds of terminal alarms information obtained from fire alarm control unit and device status information, user information transmitting device can lead to
It crosses different communication protocol and the real-time monitoring signal in fire alarm control unit is passed to Internet of Things cloud platform, it being capable of compatible transmission
The real-time monitoring signal of all kinds of fire protection warning equipment, and it is easy for installation, debugging is simple and compatibility is strong.
After obtaining various real-time monitoring signals, each terminal due to sending various real-time monitoring signals is set Internet of Things cloud platform
The mode of standby access Internet of Things cloud platform may be different, for instance it can be possible that being based respectively on HTTP (hypertext transfer protocol), MQTT
(Message Queuing Telemetry Transport, message queue telemetering transmission), TCP (Transmission
Control Protocol, transmission control protocol), UDP (User Datagram Protocol, User Datagram Protocol), SDK
Communication protocols such as (Software Development Kit, Software Development Kit) can be based on different types of communication protocols
View is pre-designed corresponding protocol resolver, is parsed to obtain real-time monitoring signal to received signal of communication, due to difference
Protocol resolver parses the possible disunity of resulting data format and can will be received to simplify follow-up data treatment process
Various real-time monitoring signals be uniformly converted to preset data form, to realize the data flow for exporting unified format.This hair
Bright Internet of Things cloud platform can support the Internet of Things of various equipment to access.And it can be based on different agreement feature, realize two-way communication.
Using the embodiment of the present invention, Internet of Things cloud platform be can receive from each wireless terminal device and fire alarm control
The real-time monitoring signal of device processed, information obtained is more comprehensive, and the received various real-time monitoring signals of institute can be turned
It is changed to preset data form, being uniformly processed to the real-time monitoring signal of separate sources is realized, improves data-handling efficiency；
In turn, event handling can be carried out to the real-time monitoring signal for being converted to preset data form, obtains building and fire alarm occurs
The event class of event, the fire alarm event for belonging to default warning grade set to event class carry out early warning, realize pair
The early warning for belonging to the fire alarm event of default warning grade set, since the real-time monitoring signal that event handling is relied on both had wrapped
The signal of the acquisition containing each wireless terminal device, and include the real-time monitoring signal of each line termination unit acquisition, therefore, letter
It is more comprehensive to cease source, improves the accuracy rate of fire alarm.
In a kind of implementation, in order to improve the safety of communication, the Internet of Things cloud platform receives various real-time monitorings letters
Number, specifically:
Various real-time monitoring signals are received based on tls protocol cipher mode.
The Internet of Things cloud platform can be also used for:
Before receiving various real-time monitoring signals, using bi-directional authentification verification technique to each wireless terminal device and institute
It states fire alarm control unit and carries out authentication verification.
As can be seen that Internet of Things cloud platform can be based on TLS (Transport other than providing mass data access
Layer Security, transport layer security protocol) encrypted communication session, may include encryption Internet of Things cloud platform with it is described each
Two-way communication, Internet of Things cloud platform between wireless terminal device and the two-way communication between fire alarm control unit, thus, Internet of Things
Cloud platform receive various real-time monitoring signals can be it is encrypted, can be obtained by actual reality by decrypting accordingly
When monitoring signals.And the verifying of the bi-directional authentification between Internet of Things cloud platform and each wireless terminal device, Internet of Things cloud can also be carried out
Bi-directional authentification verifying between platform and fire alarm control unit, to ensure that data access and transmission security.
The present invention to specific bi-directional authentification verification mode without limitation.Such as LTE (Long Term can be used
Evolution, long term evolution) bi-directional authentification mode.
The received various real-time monitoring signals of institute are converted to preset data form by Internet of Things cloud platform, are specifically as follows:
Each real-time monitoring signal received for institute obtains the corresponding position data of real-time monitoring signal, equipment is compiled
Number, device type, acquisition time, event initial data and event description；With acquired position data, device numbering, equipment
Each parameter preset in type, sending time, event initial data and event description filling preset data form, is completed the reality
When monitoring signals be converted to preset data form.
The device numbering of each wireless terminal device or line termination unit and its right can be stored in advance in Internet of Things cloud platform
The data information answered, data information may include position data and device type of terminal device present position etc..Based on this,
Internet of Things cloud platform obtains the reality after the real-time monitoring signal for receiving a certain wireless terminal device or line termination unit acquisition
When monitoring signals corresponding position datas, device numbering, device type, acquisition time, event initial data and event description, tool
Body can be with are as follows: determines the device numbering of the sender of the real-time monitoring signal；The terminal with the device numbering is directly read to set
Standby data information；And acquisition time, event initial data and event description are extracted from the real-time monitoring signal.Real-time monitoring
Signal can carry the device numbering of sender, and Internet of Things cloud platform can directly determine the reality after receiving real-time monitoring signal
When monitoring signals sender device numbering.
Alternatively, in another implementation, real-time monitoring signal may include position data, device numbering, device type,
Acquisition time, event initial data and event description, Internet of Things cloud platform obtain the corresponding position data of real-time monitoring signal, equipment
Number, device type, acquisition time, event initial data and event description, are specifically as follows: mentioning from the real-time monitoring signal
Position data, device numbering, device type, acquisition time, event initial data and the event description taken.
Event initial data can be monitor value that wireless terminal device or line termination unit monitor in real time either
Warning message, event description can be the operating status of wireless terminal device or line termination unit itself, for example, may include
Normal condition, State of alarm, malfunction, terminal disconnection state, bottom do split state, masked state, off-mode, stop shape
State etc..
For each line termination unit, whether can directly being disconnected according to the connection with fire alarm control unit, to feel
Know the online or offline of equipment of itself；For each wireless terminal device, itself can be perceived by way of heartbeat packet and set
Whether standby online, the period of heartbeat packet can be pre-defined according to the energy consumption of equipment.
Preset data form may include event identifier parameter, address parameter, device numbering parameter, acquisition time parameter,
Device type parameter, event initial data data, event description parameter, Internet of Things cloud platform is by acquired each terminal device
Position data, device numbering, device type, acquisition time, event initial data and event description can be assigned to address ginseng respectively
Number, device numbering parameter, acquisition time parameter, device type parameter, event initial data data, event description parameter, and can
To generate unique event identity for real-time monitoring signal, event identifier generated is assigned to event identifier parameter, thus complete
Pairs of real-time monitoring signal is converted to preset data form.
In another implementation, the Internet of Things cloud platform be can be also used for:
Whether online detect the fire alarm control unit, if not online, not for the fire alarm control unit
Presence generates the first information off-line；
Perceive whether each wireless terminal device is online by way of heartbeat packet, for not online each wireless
Terminal device generates each second information off-line；
Show the first information off-line generated and each second information off-line.
Since fire alarm control unit is to be connect by wired mode with user information transmitting device, then assisted by TCP
View realizes the communication between user information transmitting device and Internet of Things cloud platform, and the monitoring signals of terminal device are transmitted to Internet of Things cloud
Platform, thus can by communication connection whether disconnect it is whether online directly to detect fire alarm control unit, if fire alarm control
Communication connection between device processed and user information transmitting device and the communication between user information transmitting device and Internet of Things cloud platform
Connection does not disconnect, may indicate that fire alarm control unit is online；Otherwise, may indicate that detection fire alarm control unit is
It is not online.
Using the embodiment of the present invention, it can check which equipment is in off-line state in order to user, it is thus possible to carry out phase
The processing answered makes wireless terminal device or fire alarm control unit in off-line state revert to presence, improves system
The safety of system.
Internet of Things cloud platform carries out event handling to the real-time monitoring signal for being converted to preset data form, obtains building
The event class of fire alarm event, is specifically as follows:
According to the real-time monitoring signal for being converted to preset data form, the detector of building interior alert is determined
The operating status and monitor value of quantity, the operating status of all kinds of Fire Control Cabinets and each Wireless/wired terminal device；
If the detector quantity of alert is greater than the first preset value in the same fire compartment of building, determine that this is built
It builds and A class fire alarm event occurs；
If the Fire Control Cabinet quantity in building in unpowered state is greater than the second preset value or two or more disappears
Fiery bolt opens pump button failure or all kinds of Fire Control Cabinet failure summations are more than that four or fire water box liquid level are lower than the first liquid
Position preset value or roof test-fire-hydrants water pressure monitoring value, wet alarm valve group least favorable point water pressure monitoring value are below third
Preset value determines that B class fire alarm event occurs for the building；
If all kinds of Fire Control Cabinets are in manual mode in building or fire water box liquid level is in the first liquid level and presets
Value between the second liquid level preset value, determine the building occur C class fire alarm event；
If the monitor value of the water pressure monitor of outdoor fire hydrant belonging to building is lower than default hydraulic pressure reference value, the building is determined
D class fire alarm event occurs.
A class, B class, C class, D class fire alarm event respectively indicate fire alarm, fixed fire protection system severely subnormal, fixed fire-fighting
General abnormal, the fixed fire protection system slight abnormality of facility.A class fire alarm event shows to may be genuine fire, or false
Fire can play the role of fire alarm.
Real-time monitoring signal can be converted to preset data form by Internet of Things cloud platform, and each preset data form can wrap
Position data, device numbering, device type, acquisition time, event initial data and event description etc. are included, therefore can therefrom be determined
The detector quantity of building interior alert, the operating status of all kinds of Fire Control Cabinets and each Wireless/wired end
The operating status and monitor value of end equipment.Fire compartment can be pre-designed according to building structure in advance, can be in a building
There are one or more fire compartments, position data entrained by each terminal device preset data form of Internet of Things cloud platform output
In may include fire compartment mark, by prevent fires mark can uniquely determine fire compartment.Device numbering is used for unique identification
Acquire the terminal device of real-time monitoring signal.
Fire compartment can refer to the region separated with firewall, floor, fire resistant doorsets or fire resisting shutter, can be in a timing
It is interior to be limited in fire in certain regional area.Fire compartment may include all kinds of detectors, does not include fire cistern, disappears
Caisson, outdoor fire hydrant.
Detector may include wired or wireless smoke detector, wired or wireless heat detector, it is wired or wireless can
Combustion gas bulk detector, wired or wireless manual fire alarm call point, wired or wireless fire hydrant button etc..All kinds of Fire Control Cabinets
May include fire hydrant pump control cabinet, spray control cabinet, stabilized pressure pump control cabinet, transmission pump control cabinet, smoke control system control cabinet,
Blower etc..
Each building can dispose the water pressure monitor of outdoor fire hydrant, and Internet of Things cloud platform can store pre-defined hydraulic pressure
It, can be with when the actually detected monitor value of water pressure monitor of reference value, the outdoor fire hydrant belonging to build is lower than hydraulic pressure reference value
Determine that D class fire alarm event occurs for the building.Hydraulic pressure reference value can be previously set according to demand, such as can be
0.14MPa etc..Outdoor fire hydrant can be the self-built fire hydrant of unit.
The liquid level monitor of fire water box or fire cistern can detecte the liquid level of fire water box or fire cistern, liquid level prison
The roof and basement of building can be accessed by surveying instrument, namely for the liquid level of monitoring fire water box, fire cistern.Internet of Things cloud is flat
Platform can store the first liquid level preset value predetermined and the second liquid level preset value, if the liquid of fire water box or fire cistern
Position is lower than the first liquid level preset value, determines that B class fire alarm event occurs for the building；If the liquid of fire water box or fire cistern
Position is higher than the first liquid level preset value and is lower than the second liquid level preset value, determines that C class fire alarm event occurs for the building.First liquid
Position preset value and the second liquid level preset value can be previously set according to demand, such as can be respectively 50% He of default liquid level
80%.
Exemplary, the first liquid level preset value and the second liquid level preset value are 2m, 3.2m respectively, if monitoring fire water box
Actual liquid level value is 1m, is lower than early warning value, determines that B class fire alarm event occurs for the building.
First preset value can be previously set according to demand, for example, can be 0/1 etc., the second preset value and first is in advance
If the setting of value is unrelated.For example, it may be 0/1 etc..Third preset value can be previously set, for example, can be 0.05MPa.
Using the embodiment of the present invention, realizes and determine event of fire in varied situations, improve the early warning of event of fire
Accuracy rate and reasonability.
In addition, if in building there are two and the above manual alarm or combined aural and visual alarm button failure, can also determine this
B class fire alarm event occurs for building.
In a kind of implementation, Internet of Things cloud platform of the invention can also support complicated customized business scenario, such as
It can support the event handling mode based on conditional expression, custom function, illustratively, temperature sensitive type fire detection equipment
After real-time monitoring signal is passed to Internet of Things cloud platform, when the temperature value in real-time monitoring signal is higher than to preset temperature threshold,
It may determine that and fire has occurred, but since before fire alarm releases, the temperature of temperature sensitive type fire detection equipment detection is will not
It lowers, if directly handled each received real-time monitoring signal, will constantly issue temperature sensitive type fire detection
The alarm of A class fire alarm event occurs for fire compartment where equipment, but actually other than being for the first time effective, behind
Alarm be essentially all it is invalid, in order to solve this problem, be higher than in the temperature of temperature sensitive type fire detection equipment detection pre-
If after temperature threshold, being locked to the temperature sensitive type fire detection equipment.By being locked to temperature sensitive type fire detection equipment,
The interior real-time monitoring signal uploaded of the temperature sensitive type fire detection equipment preset time period can not be reprocessed, is avoided to same
The repetition of one event of fire alerts.
Corresponding to above-mentioned fire early-warning system embodiment, the embodiment of the invention provides a kind of fire alarm method, referring to
Shown in Fig. 2, method includes:
The real-time monitoring signal itself acquired is transferred to Internet of Things by NB-loT network by S201, each wireless terminal device
Cloud platform；
The real-time monitoring signal itself acquired is transferred to the fire alarming and controlling by S202, each line termination unit
Device；
S203, fire alarm control unit receive the real-time monitoring signal of each line termination unit acquisition, pass through wired side
The received real-time monitoring signal of institute is transferred to the Internet of Things cloud platform via user information transmitting device by formula；
S204, the Internet of Things cloud platform receive various real-time monitoring signals, and the received various real-time monitoring signals of institute are turned
It is changed to preset data form, event handling is carried out to the real-time monitoring signal for being converted to preset data form, obtains building
The event class of fire alarm event, the fire alarm event for belonging to default warning grade set to event class carry out early warning.
Using the embodiment of the present invention, Internet of Things cloud platform be can receive from each wireless terminal device and fire alarm control
The real-time monitoring signal of device processed, information obtained is more comprehensive, and the received various real-time monitoring signals of institute can be turned
It is changed to preset data form, being uniformly processed to the real-time monitoring signal of separate sources is realized, improves data-handling efficiency；
In turn, event handling can be carried out to the real-time monitoring signal for being converted to preset data form, obtains building and fire alarm occurs
The event class of event, the fire alarm event for belonging to default warning grade set to event class carry out early warning, realize pair
The early warning for belonging to the fire alarm event of default warning grade set, since the real-time monitoring signal that event handling is relied on both had wrapped
The signal of the acquisition containing each wireless terminal device, and include the real-time monitoring signal of each line termination unit acquisition, therefore, letter
Breath source is used more entirely, improves the accuracy rate of fire alarm.
Optionally, each line termination unit includes free-standing smoke alarm, combustible gas probe, acousto-optic report
Alert device, manual alarm, spray control cabinet, stabilized pressure pump control cabinet, roof stabilized pressure pump control cabinet, fire hydrant pump control cabinet, transmission
Pump at least one of control cabinet, foam pump control cabinet, smoke control system control cabinet.
Optionally, the Internet of Things cloud platform receives various real-time monitoring signals, comprising:
Various real-time monitoring signals are received based on tls protocol cipher mode.
Optionally, the method also includes:
The Internet of Things cloud platform is before receiving various real-time monitoring signals, using bi-directional authentification verification technique to each nothing
Line terminal equipment and the fire alarm control unit carry out authentication verification.
Optionally, the received various real-time monitoring signals of institute are converted to preset data form by the Internet of Things cloud platform, are wrapped
It includes:
Each real-time monitoring signal received for institute obtains the corresponding position data of real-time monitoring signal, equipment is compiled
Number, device type, acquisition time, event initial data and event description；With acquired position data, device numbering, equipment
Each parameter preset in type, sending time, event initial data and event description filling preset data form, is completed the reality
When monitoring signals be converted to preset data form.
Optionally, the method also includes:
Whether the Internet of Things cloud platform detects the fire alarm control unit online, if not online, is directed to the fire
The not presence of alarm controller generates the first information off-line；Each wireless terminal is perceived by way of heartbeat packet to set
It is standby whether online, each second information off-line is generated for not online each wireless terminal device；Show generated first
Information off-line and each second information off-line.
Optionally, the Internet of Things cloud platform carries out event handling to the real-time monitoring signal for being converted to preset data form,
Obtain the event class that fire alarm event occurs for building, comprising:
According to the real-time monitoring signal for being converted to preset data form, the detector of building interior alert is determined
The operating status and monitor value of quantity, the operating status of all kinds of Fire Control Cabinets and each Wireless/wired terminal device；
If the detector quantity of alert is greater than the first preset value in the same fire compartment of building, determine that this is built
It builds and A class fire alarm event occurs；
If the Fire Control Cabinet quantity in building in unpowered state is greater than the second preset value or two or more disappears
Fiery bolt opens pump button failure or all kinds of Fire Control Cabinet failure summations are more than that four or fire water box liquid level are lower than the first liquid
Position preset value or roof test-fire-hydrants water pressure monitoring value, wet alarm valve group least favorable point water pressure monitoring value are below third
Preset value determines that B class fire alarm event occurs for the building；
If all kinds of Fire Control Cabinets are in manual mode in building or fire water box liquid level is in the first liquid level and presets
Value between the second liquid level preset value, determine the building occur C class fire alarm event；
If the monitor value of the water pressure monitor of outdoor fire hydrant belonging to building is lower than default hydraulic pressure reference value, the building is determined
D class fire alarm event occurs.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of fire early-warning system, which is characterized in that the system comprises each wireless terminal device, each catv terminals to set
Standby, Internet of Things cloud platform and fire alarm control unit, wherein
Each wireless terminal device, it is described for being transferred to the real-time monitoring signal itself acquired by NB-loT network
Internet of Things cloud platform；
Each line termination unit, the real-time monitoring signal for acquiring itself are transferred to the fire alarming and controlling
Device；
The fire alarm control unit passes through wired side for receiving the real-time monitoring signal of each line termination unit acquisition
The received real-time monitoring signal of institute is transferred to the Internet of Things cloud platform via user information transmitting device by formula；
The Internet of Things cloud platform is converted to the received various real-time monitoring signals of institute for receiving various real-time monitoring signals
Preset data form carries out event handling to the real-time monitoring signal for being converted to preset data form, obtains building and fire occurs
The event class of alarm event, the fire alarm event for belonging to default warning grade set to event class carry out early warning.
2. system according to claim 1, which is characterized in that each line termination unit includes that free-standing cigarette sense is visited
Survey device, combustible gas probe, combined aural and visual alarm, manual alarm, spray control cabinet, stabilized pressure pump control cabinet, roof stabilized pressure pump
At least one of control cabinet, fire hydrant pump control cabinet, transmission pump control cabinet, foam pump control cabinet, smoke control system control cabinet.
3. system according to claim 1 or 2, which is characterized in that the Internet of Things cloud platform receives various real-time monitoring letters
Number, specifically:
Various real-time monitoring signals are received based on tls protocol cipher mode.
4. system according to claim 1, which is characterized in that the Internet of Things cloud platform is also used to:
Before receiving various real-time monitoring signals, using bi-directional authentification verification technique to each wireless terminal device and the fire
Calamity alarm controller carries out authentication verification.
5. system according to claim 1, which is characterized in that the Internet of Things cloud platform is by the received various real-time monitorings of institute
Signal is converted to preset data form, specifically:
Each real-time monitoring signal received for institute, obtains the corresponding position data of real-time monitoring signal, device numbering, sets
Standby type, acquisition time, event initial data and event description；With acquired position data, device numbering, device type,
Each parameter preset in sending time, event initial data and event description filling preset data form, is completed the real-time prison
It surveys signal and is converted to preset data form.
6. system according to claim 1, which is characterized in that the Internet of Things cloud platform is also used to:
Whether online the fire alarm control unit is detected, if not online, for the not online of the fire alarm control unit
State generates the first information off-line；
Perceive whether each wireless terminal device is online by way of heartbeat packet, for not online each wireless terminal
Equipment generates each second information off-line；
Show the first information off-line generated and each second information off-line.
7. system according to claim 5, which is characterized in that the Internet of Things cloud platform is to being converted to preset data form
Real-time monitoring signal carries out event handling, obtains the event class that fire alarm event occurs for building, specifically:
According to the real-time monitoring signal for being converted to preset data form, the detector number of building interior alert is determined
The operating status and monitor value of amount, the operating status of all kinds of Fire Control Cabinets and each Wireless/wired terminal device；
If the detector quantity of alert is greater than the first preset value in the same fire compartment of building, determine that the building is sent out
Raw A class fire alarm event；
If the Fire Control Cabinet quantity in building in unpowered state is greater than the second preset value or two or more fire hydrant
It opens pump button failure or all kinds of Fire Control Cabinet failure summations is more than that four or fire water box liquid level are pre- lower than the first liquid level
If it is default that value or roof test-fire-hydrants water pressure monitoring value, wet alarm valve group least favorable point water pressure monitoring value are below third
Value determines that B class fire alarm event occurs for the building；
If all kinds of Fire Control Cabinets are in manual mode in building or fire water box liquid level is in the first liquid level preset value extremely
Between second liquid level preset value, determine that C class fire alarm event occurs for the building；
If the monitor value of the water pressure monitor of outdoor fire hydrant belonging to building is lower than default hydraulic pressure reference value, determine that the building occurs
D class fire alarm event.
8. a kind of fire alarm method, which is characterized in that the described method includes:
The real-time monitoring signal itself acquired is transferred to Internet of Things cloud platform by NB-loT network by each wireless terminal device；
The real-time monitoring signal itself acquired is transferred to the fire alarm control unit by each line termination unit；
Fire alarm control unit receives the real-time monitoring signal of each line termination unit acquisition, by wired mode via user
The received real-time monitoring signal of institute is transferred to the Internet of Things cloud platform by information carrying means；
The Internet of Things cloud platform receives various real-time monitoring signals, and the received various real-time monitoring signals of institute are converted to present count
According to format, event handling is carried out to the real-time monitoring signal for being converted to preset data form, building is obtained and fire alarm thing occurs
The event class of part, the fire alarm event for belonging to default warning grade set to event class carry out early warning.
9. according to the method described in claim 8, it is characterized in that, each line termination unit includes that free-standing cigarette sense is visited
Survey device, combustible gas probe, combined aural and visual alarm, manual alarm, spray control cabinet, stabilized pressure pump control cabinet, roof stabilized pressure pump
At least one of control cabinet, fire hydrant pump control cabinet, transmission pump control cabinet, foam pump control cabinet, smoke control system control cabinet.
10. according to the method described in claim 8, it is characterized in that, the Internet of Things cloud platform receives various real-time monitoring signals,
Include:
Various real-time monitoring signals are received based on tls protocol cipher mode.
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