CN108490899A - A kind of wind-power engine room automatic fire-fighting monitoring system - Google Patents

A kind of wind-power engine room automatic fire-fighting monitoring system Download PDF

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Publication number
CN108490899A
CN108490899A CN201810231797.4A CN201810231797A CN108490899A CN 108490899 A CN108490899 A CN 108490899A CN 201810231797 A CN201810231797 A CN 201810231797A CN 108490899 A CN108490899 A CN 108490899A
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fire
fighting
module
sensor node
node
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CN201810231797.4A
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李健斌
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Shenzhen City Creative Industry Technology Co Ltd
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Shenzhen City Creative Industry Technology Co Ltd
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    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM]
    • G05B19/4183—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM] characterised by data acquisition, e.g. workpiece identification
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM]
    • G05B19/41845—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM] characterised by system universality, reconfigurability, modularity
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00—Programme-control systems
    • G05B19/02—Programme-control systems electric
    • G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM]
    • G05B19/4185—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM] characterised by the network communication
    • G05B19/41855—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM] characterised by the network communication by local area network [LAN], network structure
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/20—Pc systems
    • G05B2219/25—Pc structure of the system
    • G05B2219/25187—Transmission of signals, medium, ultrasonic, radio
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/20—Pc systems
    • G05B2219/25—Pc structure of the system
    • G05B2219/25232—DCS, distributed control system, decentralised control unit
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/20—Pc systems
    • G05B2219/26—Pc applications
    • G05B2219/2639—Energy management, use maximum of cheap power, keep peak load low
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]

Abstract

The present invention provides a kind of wind-power engine room automatic fire-fighting monitoring systems, including environmental monitoring wireless sensor network, fire-fighting control terminal, device control module, emergent execution module and fire-fighting module；The environmental monitoring wireless sensor network includes temperature for acquiring in wind-power engine room, the environmental data of smokescope and oxygen concentration, the fire-fighting control terminal is used for according to environmental data control device control module, emergent execution module and the work of fire-fighting module, wherein device control module, fire-fighting module and emergent execution module are all wirelessly connected fire-fighting control terminal, device control module is used to control the power supply and start and stop of Wind turbines, fire-fighting module is used to be put out a fire according to the order-driven carbon dioxide gas of fire-fighting control terminal, emergent execution module is used to receive the instruction of fire-fighting control terminal, the connection of cut-out Wind turbines and power grid simultaneously records field conditions.The present invention realizes the security against fire to wind-power engine room and carries out monitoring and emergency processing automatically.

Description

A kind of wind-power engine room automatic fire-fighting monitoring system
Technical field
The present invention relates to fire fighting monitoring fields, and in particular to a kind of wind-power engine room automatic fire-fighting monitoring system.
Background technology
Wind-power electricity generation relies primarily on wind power generating set and its control system to realize.Wind power generating set and its main control System is all mounted in apart from ground up in the cabin on 60 meters or more of wind power tower drum top, and entire cabin is rated as wind-force The heart and brain of generating set.Due to will produce higher heat when wind-driven generator is run, unsmooth or unit occurs in heat dissipation Break down make generation heat be higher than heat-sinking capability when, then accumulated heat can make the rapid Wen Sheng of unit, if temperature rise cannot find in time And call a halt, when temperature hot spot resistance to more than motor, less serious case will cause wind-driven generator or control system to break down, gear Gear oil in case is also possible to leak outside.Severe one by the cable to ignite in cabin or control system electric appliance, leaked outside The combustibles such as gear oil, cause fire behavior.In the related technology, in the wind power generating set being currently running, all lack substantially To active automatic measuring and controlling and the emergency set of fire-fighting are carried out in cabin safely.
Invention content
In view of the above-mentioned problems, the present invention provides a kind of wind-power engine room automatic fire-fighting monitoring system.
The purpose of the present invention is realized using following technical scheme：
Provide a kind of wind-power engine room automatic fire-fighting monitoring system, including environmental monitoring wireless sensor network, fire-fighting control Terminal, device control module, emergent execution module and fire-fighting module processed；The environmental monitoring wireless sensor network is for adopting Collect the environmental data including temperature, smokescope and oxygen concentration, the fire-fighting control terminal in wind-power engine room and is used for basis Environmental data control device control module, emergent execution module and the work of fire-fighting module, wherein device control module, fire-fighting module It is all wirelessly connected fire-fighting control terminal with emergent execution module, device control module is used to control the power supply of Wind turbines and opens Stop, the fire-fighting module is used to be put out a fire according to the order-driven carbon dioxide gas of fire-fighting control terminal, described emergent to hold Row module is used to receive the instruction of fire-fighting control terminal, cuts off the connection of Wind turbines and power grid and records field conditions.
Beneficial effects of the present invention are：Combining with wireless sensor network technology, administrative distance length, model when wind park is run Enclose wide, unit distribution more disperses, and under nacelle position environment is special and special situation of high altitude and the present situations such as unattended, realizes Real-time acquisition to wind turbine indoor environment data handles the environmental data after acquisition by fire-fighting control terminal, realization pair The security against fire of wind-power engine room carries out monitoring and emergency processing automatically.
Description of the drawings
Using attached drawing, the invention will be further described, but the embodiment in attached drawing does not constitute any limit to the present invention System, for those of ordinary skill in the art, without creative efforts, can also obtain according to the following drawings Other attached drawings.
Fig. 1 is the structure connection block diagram of an illustrative embodiment of the invention；
Fig. 2 is the structure connection block diagram of the fire-fighting control terminal of an illustrative embodiment of the invention.
Reference numeral：
Environmental monitoring wireless sensor network 1, device control module 3, emergent execution module 4, disappears at fire-fighting control terminal 2 Anti- module 5, main processing block 10, memory module 20, drive module 30, display module 40, signal processing module 50, input module 60。
Specific implementation mode
The invention will be further described with the following Examples.
Referring to Fig. 1, a kind of wind-power engine room automatic fire-fighting monitoring system provided in this embodiment, including environmental monitoring wirelessly pass Sensor network 1, fire-fighting control terminal 2, device control module 3, emergent execution module 4, fire-fighting module 5；The environmental monitoring Wireless sensor network 1 is used to acquire the environmental data including temperature, smokescope and oxygen concentration in wind-power engine room, described Fire-fighting control terminal 2 is used to be worked according to environmental data control device control module 3, emergent execution module 4 and fire-fighting module 5, Wherein device control module 3, fire-fighting module 5 and emergent execution module 4 are all wirelessly connected fire-fighting control terminal 2, and equipment controls mould Block 3 is used to control the power supply and start and stop of Wind turbines, and the fire-fighting module 5 is used to be driven according to the instruction of fire-fighting control terminal 2 Dynamic carbon dioxide gas fire extinguishing, the emergent execution module 4 are used to receive the instruction of fire-fighting control terminal 2, cut off wind turbine It organizes the connection with power grid and records field conditions.
Preferably, the fire-fighting control terminal 2 include for storage environment data memory module 20, receive main process task mould The drive module 30 and display module 40 of the instruction of block 10, the signal processing module 50 for sending information to main processing block 10 and input Module 60.
Preferably, the fire-fighting module 5 include carbon dioxide gas gas cylinder, nitrogen driver bottle, air shooter, Pipeline is driven, after fire-fighting control terminal 2 judges that fire occurs according to environmental data, to the solenoid valve on nitrogen driver bottle Open signal is sent out, drives the nitrogen in gas cylinder by driving pipeline to open the tack valve of CO 2 high pressure gas cylinder, makes dioxy Change carbon gas to spray automatically rapidly, is delivered into cabin and put out a fire by air shooter.
The above embodiment of the present invention combining with wireless sensor network technology, administrative distance length, range when wind park is run Extensively, unit distribution more disperses, and under nacelle position environment is special and special situation of high altitude and the present situations such as unattended, realizes pair The real-time acquisition of wind turbine indoor environment data handles the environmental data after acquisition by fire-fighting control terminal 2, realizes to wind The security against fire of motor room carries out monitoring and emergency processing automatically.
In one embodiment, the environmental monitoring wireless sensor network 1 includes base station and multiple is deployed in fire-fighting Sensor node in observing and controlling region, each sensor node are responsible for obtaining the environmental data of institute's measuring point, and sensor section is responsible in base station Two-way information interaction between point and fire-fighting control terminal 2；Sensor node is divided into multiple clusters, each cluster choosing by self-organizing Environmental data of the cluster head for polymerizeing the acquisition of cluster inner sensor node is enumerated, cluster head also passes through the environmental data of polymerization more The mode for jumping routing is sent to base station.
In one embodiment, the static poisson process Ψ that the spatial position obedience intensity of sensor node is λ= {xi；I=1,2,3 ..., n }, wherein xiIndicate that the spatial position of sensor node i, n are the sensor section in fire-fighting observing and controlling region Point quantity, all the sensors node primary power having the same.
When netinit, each sensor node in fire-fighting observing and controlling region receives the signal of base station broadcast, to really The fixed distance for itself arriving base station.
Sensor node is located in square law channel, the letter analyzed as sensor node sensor model using Rayleigh channel The sensing range in road, setting sensor node is：
In formula, DiIndicate the perception radius of sensor node i, PiFor the transmission power of sensor node i, ξ is transmission Constant, z are the path-loss factor in square law channel, and z ∈ (2,6), ω are square law white Gaussian noise power in signal channels, μ Indicate that the channel gain of rayleigh distributed, β are that the sensor node of the signal of receiving sensor node i can be with the noise of reliable decoding Than Γ () is gamma function；L (i, sink) is working node i to the distance of base station, LmaxFor all the sensors node to base Maximum value in the distance stood, LminFor the minimum value in the distance of all the sensors node to base station, x is the radius control of definition The factor processed, value is between [0.4,0.8].
The signal of sensor node is in transmission process, other than path loss, can encounter barrier or building, gloomy The veils such as woods, high mountain block, and the signal energy of sensor node part can be fallen by absorption, reflection or scattering, cause letter The shadow fading of number power.
The present embodiment is controlled in the sensing range of setting sensor node based on the distance of sensor node to base station Sensing range, and influence of the multipath fading to sensor node sensing range is considered, realize sensor node sensing range Accurately control so that the sensing range of sensor node can change according to itself to the distance of base station, be got over apart from base station The sensing range of close sensor node is smaller, can be kept when being conducive to the sensor node closer apart from base station as cluster head Smaller cluster scale avoids undertaking excessive environmental data polymerization task, extends the longevity of the sensor node closer apart from base station Life, to ensure the stability of wireless sensor network.
In one embodiment, sensor node is divided into multiple clusters by self-organizing, specifically includes：
(1) sensor node according to the sensing range of itself to remaining sensor node interaction message, so that it is determined that oneself Neighbor node collection；
(2) sensor node receives " hello " data packet of base station broadcast, and sensor node receives base station It after " hello " data packet, obtains clock and synchronizes, sensor node is that each neighbor node that its neighbor node is concentrated distributes one Time labeling Eij, EijFor the random number for being between being distributed in [0,1], characterization sensor node ij switchs to work from sensing channel The time of work, wherein ij indicate j-th of neighbor node that the neighbor node of sensor node i is concentrated；
(3) neighbor node of sensor node i concentrates the sensor node with maximum probability to be activated and start working, As working node, other sensors node then enters sleep state；
(4) remaining the working node broadcast packet of working node into sensing range contains the cluster head election contest letter of competitiveness Breath if working node receives the cluster head election contest information that the working node of competitiveness bigger is sent, is put within the set time Cluster head competition is abandoned, cluster head is otherwise become and is elected to information to broadcast, the working node of not elected cluster head becomes sensor node simultaneously It is added to nearest cluster head；
(5) after cluster head competition, working node wakes up the dormant sensor node of entrance of surrounding, sensor section Nearest cluster head is added after being waken up in point, completes the division of cluster；
Wherein, the calculation formula of probability is：
In formula, RijIndicate the probability of sensor node ij, EijFor the Time labeling that sensor node ij is assigned to, Qij For the current remaining of sensor node ij, QminFor the minimum energy value of setting.
The present embodiment carries out sleep scheduling creatively before carrying out election of cluster head to sensor node, is synchronized in clock Sensor node between swap time label information, selection wake up with minimum time label sensor node, meeting Reduce the sensor node quantity for participating in cluster head competition under the premise of network coverage demand, while it is too small to reduce dump energy Sensor node be elected as the probability of cluster head, can quickly be consumed to avoid the energy of sensor node, save the energy of sub-clustering Expense is measured, to reduce the cost of energy of wind-power engine room automatic fire-fighting monitoring system on the whole.
In one embodiment, when sensor node receives " hello " data packet of base station broadcast, record receives Time when " hello " data packet, described " hello " data packet further include being received by each sensor node of base station sets The theoretical time of " hello " data packet, the calculation formula of the competitiveness are：
In formula,Indicate working nodeCompetitiveness,For working nodeSensing range,For work Make nodeTo the distance of base station,For working nodeThe time of base station " hello " data packet is received,For by base station sets Working nodeReceive the theoretical time of base station " hello " data packet, τ1And τ2For the weight coefficient and τ of setting1+τ%=1.
It is maximum as cluster head that current remaining is directly selected compared with the existing technology, and the present embodiment is creatively chosen The maximum sensor node of competitiveness is as cluster head, wherein the calculation formula of competitiveness is creatively devised, according to biography The difference for the actual signal intensity and theory signal intensity that sensor node receives base station data packet devises the weighting for distance Coefficient so that calculated competitiveness more accurately weighs the position advantage of sensor node.
The present embodiment because usually selecting cluster head, is enabled to apart from base station closer to, sensing range smaller according to position advantage Working node have and become cluster head with big probability, be conducive to the cluster head ratio for improving base station near zone, and increase cluster The cluster head quantity of scale is smaller reduces cluster head to forward the energy consumption of environmental data beneficial to balance base station near zone cluster head Energy consumption rate has saved the communications cost of wind-power engine room automatic fire-fighting monitoring system on the whole.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than the present invention is protected The limitation of range is protected, although being explained in detail to the present invention with reference to preferred embodiment, those skilled in the art answer Work as understanding, technical scheme of the present invention can be modified or replaced equivalently, without departing from the reality of technical solution of the present invention Matter and range.

Claims (6)

1. a kind of wind-power engine room automatic fire-fighting monitoring system, characterized in that including environmental monitoring wireless sensor network, fire-fighting control Terminal, device control module, emergent execution module and fire-fighting module processed；The environmental monitoring wireless sensor network is for adopting Collect the environmental data including temperature, smokescope and oxygen concentration, the fire-fighting control terminal in wind-power engine room and is used for basis Environmental data control device control module, emergent execution module and the work of fire-fighting module, wherein device control module, fire-fighting module It is all wirelessly connected fire-fighting control terminal with emergent execution module, device control module is used to control the power supply of Wind turbines and opens Stop, the fire-fighting module is used to be put out a fire according to the order-driven carbon dioxide gas of fire-fighting control terminal, described emergent to hold Row module is used to receive the instruction of fire-fighting control terminal, cuts off the connection of Wind turbines and power grid and records field conditions.
2. a kind of wind-power engine room automatic fire-fighting monitoring system according to claim 1, characterized in that the fire-fighting control is eventually End includes main processing block, the memory module for storage environment data, the drive module of reception main processing block instruction and shows The signal processing module and input module for showing module, sending information to main processing block.
3. a kind of wind-power engine room automatic fire-fighting monitoring system according to claim 2, characterized in that the fire-fighting module packet Carbon dioxide gas gas cylinder, nitrogen driver bottle, air shooter, driving pipeline are included, when fire-fighting control terminal is according to ring After border data judge that fire occurs, open signal is sent out to the solenoid valve on nitrogen driver bottle, drives the nitrogen in gas cylinder The tack valve that CO 2 high pressure gas cylinder is opened by driving pipeline, makes carbon dioxide gas spray automatically rapidly, defeated by gas It send pipe to deliver into cabin to put out a fire.
4. according to a kind of wind-power engine room automatic fire-fighting monitoring system of claim 1-3 any one of them, characterized in that described Environmental monitoring wireless sensor network includes base station and multiple sensor nodes being deployed in fire-fighting observing and controlling region, each sensor Node is responsible for obtaining the environmental data of institute's measuring point, and the friendship of the bidirectional information between sensor node and fire-fighting control terminal is responsible in base station Mutually；Sensor node is divided into multiple clusters by self-organizing, and each cluster elects a cluster head for polymerizeing cluster inner sensor section The environmental data of polymerization is also sent to base station by the environmental data of point acquisition, cluster head by way of multihop routing.
5. a kind of wind-power engine room automatic fire-fighting monitoring system according to claim 4, characterized in that sensor node is located at In square law channel, the channel analyzed as sensor node sensor model using Rayleigh channel, the sense of setting sensor node Know ranging from：
In formula, DiIndicate the perception radius of sensor node i, PiFor the transmission power of sensor node i, ξ is that transmission is normal Number, z are the path-loss factor in square law channel, and z ∈ (2,6), ω are square law white Gaussian noise power in signal channels, μ tables Show that the channel gain of rayleigh distributed, β are that the sensor node of the signal of receiving sensor node i can be with the noise of reliable decoding Than Γ () is gamma function；L (i, sink) is working node i to the distance of base station, LmaxFor all the sensors node to base Maximum value in the distance stood, LminFor the minimum value in the distance of all the sensors node to base station, x is the radius control of definition The factor processed, value is between [0.4,0.8].
6. a kind of wind-power engine room automatic fire-fighting monitoring system according to claim 4, characterized in that sensor node passes through Self-organizing is divided into multiple clusters, specifically includes：
(1) sensor node according to the sensing range of itself to remaining sensor node interaction message, so that it is determined that the neighbour of oneself Occupy set of node；
(2) sensor node receives " hello " data packet of base station broadcast, and sensor node receives " hello " number of base station It after packet, obtains clock and synchronizes, sensor node is that each neighbor node that its neighbor node is concentrated distributes a Time labeling Eij, EijFor the random number for being between being distributed in [0,1], characterization sensor node ij switchs to the time of work from sensing channel, Wherein ij indicates j-th of neighbor node that the neighbor node of sensor node i is concentrated；
(3) neighbor node of sensor node i concentrates the sensor node with maximum probability to be activated and start working, and becomes Working node, other sensors node then enter sleep state；
(4) remaining the working node broadcast packet of working node into sensing range contains the cluster head election contest information of competitiveness, In the time of setting, if working node receives the cluster head election contest information that the working node of competitiveness bigger is sent, cluster is abandoned Otherwise head competition becomes cluster head and is elected to information to broadcast, the working node of not elected cluster head becomes sensor node and is added To nearest cluster head；
(5) after cluster head competition, working node wakes up the dormant sensor node of entrance of surrounding, sensor node quilt Nearest cluster head is added after wake-up, completes the division of cluster；
Wherein, the calculation formula of probability is：
In formula, RijIndicate the probability of sensor node ij, EijFor the Time labeling that sensor node ij is assigned to, QijTo pass The current remaining of sensor node ij, QminFor the minimum energy value of setting.
CN201810231797.4A 2018-03-20 2018-03-20 A kind of wind-power engine room automatic fire-fighting monitoring system Pending CN108490899A (en)

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CN109260639A (en) * 2018-09-06 2019-01-25 吉林建筑大学 A kind of wind-powered electricity generation computer room fire control system and control method
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CN111223497A (en) * 2020-01-06 2020-06-02 苏州思必驰信息科技有限公司 Nearby wake-up method and device for terminal, computing equipment and storage medium
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Application publication date: 20180904