CN106841660A - A kind of wind-resources monitoring system and method based on ZigBee - Google Patents
A kind of wind-resources monitoring system and method based on ZigBee Download PDFInfo
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- CN106841660A CN106841660A CN201510875103.7A CN201510875103A CN106841660A CN 106841660 A CN106841660 A CN 106841660A CN 201510875103 A CN201510875103 A CN 201510875103A CN 106841660 A CN106841660 A CN 106841660A
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- wind
- zigbee
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- telegon
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
- G01P5/001—Full-field flow measurement, e.g. determining flow velocity and direction in a whole region at the same time, flow visualisation
Abstract
The invention discloses a kind of wind-resources monitoring system and method based on ZigBee, including air monitoring module and host computer, wind speed measurement module and host computer are communicated by serial ports；Wind speed measurement module includes collection transmitting terminal and telegon, collection transmitting terminal includes multiple air monitoring nodes with ZigBee functions, it is distributed in the wind power plant, the air speed data of each air monitoring node collection is sent to telegon by the home control network communication protocol of ZigBee, and telegon is sent to host computer by the air speed data that serial ports will be received.It is of the invention to compensate for the small problem of isolated weather station gathered data geography coverage well, more comprehensive environmental data can be obtained, for wind energy provides certain basis using analysis, for the good application value of environmental assessment machine oil of wind power station.
Description
Technical field
The present invention relates to technical field of power systems, more particularly to a kind of wind-resources monitoring system based on ZigBee
System and method.
Background technology
With in development, the fossil fuel such as coal, oil, natural gas is gradually decreased, in addition to environmental protection requirement
Enhancing, people are striving to find renewable, environmentally friendly, the clean green energy resource of various energy substitute fossil fuels.
Wind energy is most promising a kind of novel energy at present, and it is the inexhaustible energy, or one
Plant clean, pollution-free, reproducible green energy resource.The utilization of wind energy, from windmill to wind-power electricity generation, it was demonstrated that text
The progress of bright and science.With the rise of whole world fossil energy price, wind-powered electricity generation is far below solar energy, biology with it
The cost of electricity-generating of other regenerative resources such as mass-energy turns into the first-selection that substitute fossil fuels generate electricity, and it is to environmental protection
It is very helpful.
Tellurian wind energy resources enriches very much, and in order to better profit from wind-resources, the monitoring to wind-resources just seems
It is particularly important.Traditional wind-resources monitoring method has anemometer tower, anemometer etc., but these methods flexibility
It is not high, and cost is universal higher.Based on this, set forth herein a kind of wind-resources monitoring method based on ZigBee and grind
Study carefully the realization of its specific system.
ZigBee is the low-power consumption LAN protocol based on IEEE802.15.4 standards, is that a kind of low speed short distance is passed
Defeated wireless network protocol, is mainly suitable for that, for automatically controlling and remote control field, various equipment can be embedded in.
In brief, ZigBee is exactly a kind of cheap, the near radio networking mechanics of communication of low-power consumption.
ZigBee technology be it is a kind of closely, low complex degree, low-power consumption, low rate, low cost double-direction radio
Mechanics of communication.It is mainly used in carrying out data between short, low in energy consumption and transmission rate various electronic equipments not high
Transmission and typically have periodic data, intermittent data and low reaction time data transmission application.
The main feature of ZigBee have low-power consumption, low cost, time delay is short, network capacity is big, it is highly reliable,
Safe the features such as, meanwhile, ZigBee technology also has the ability of self-organization network.These features show ZigBee
Technology is very suitable for the monitoring of large area wind-resources, can not only give full play to intrinsic advantage, moreover it is possible to effectively more
The shortcoming of the mode such as anemometer tower measurement and anemometer measurement is mended.
The area of wind power plant is all relatively large, from cost consideration, the wind speed of each position is measured with anemometer tower
Size is clearly unpractical.Nowadays, in order to monitor the wind resource of wind power plant, typically all in several passes
Key position sets up anemometer tower, and analyzes the air speed value at Wind turbines with data that anemometer tower is measured, referred to as
It is anemometer tower extrapolation.Obviously, this mode is in terms of the monitoring of the wind-resources of whole wind power plant or exists
The obvious defect of person.
The content of the invention
In view of the drawbacks described above of prior art, the technical problems to be solved by the invention are to provide one kind and are based on
The wind-resources monitoring system and method for ZigBee, are supervised by the ZigBee wind speed being distributed in wind power plant environment
The information that node is collected is surveyed, the wind speed size of whole each position of wind power plant is obtained, covered more fully hereinafter
Large area wind-resources monitored area, makes up the small problem of isolated weather station gathered data geography coverage well,
Obtain more comprehensive environmental data.
To achieve the above object, the invention provides a kind of wind-resources monitoring system based on ZigBee, including
Air monitoring module and host computer, it is characterised in that the wind speed measurement module and the host computer are by string
Mouth is communicated；The wind speed measurement module includes collection transmitting terminal and telegon, the collection transmitting terminal bag
Including multiple has ZigBee function air monitoring nodes, is distributed in the wind power plant, each wind speed prison
The air speed data for surveying node collection is sent to the telegon, the association by the home control network communication protocol of ZigBee
Device is adjusted to be sent to the host computer by the air speed data that serial ports will be received.
Preferably, the air monitoring node includes multiple air velocity transducers, multiple processing modules, Duo Gefa
Module is sent, the air velocity transducer gathers the air speed data of position, the number that the air velocity transducer is obtained
After via the processing module, sent by the sending module after the geographic coordinate information where addition.
Preferably, the telegon includes antenna, receiver module and processing module, and the telegon antenna is received
After data in network, string is used after the receiver module and the processing module carry out aggregation process
Mouth is sent to the host computer.
Preferably, the air monitoring node can be moved in the electric field, the demand according to actual wind power plant and
Change measurement position.
A kind of wind-resources monitoring method based on ZigBee, it is characterised in that comprise the following steps：
The air speed data of position is gathered by the multiple air monitoring nodes being distributed in wind power plant, and is added
Plus the geographic coordinate information in location；
According to the air speed data and the coordinate information that collect, using obtaining each outside the method for interpolation
Wind speed size at Wind turbines, draws the wind speed size of whole each position of wind power plant.
Preferably, the air monitoring node is arranged according to the position of Wind turbines, covers whole wind-powered electricity generation
.
Preferably, the quantity of the air monitoring node can be increasedd or decreased as needed.
Preferably, the interpolation method is the lagrange-interpolation of binary function.
As described above, a kind of wind-resources monitoring system and method based on ZigBee of the invention, well more
The small problem of isolated weather station gathered data geography coverage is mended, more comprehensive environmental data can have been obtained,
Large area wind-resources monitored area is covered more fully hereinafter, and the wind-resources information that analysis is obtained is compared with traditional approach
It is more accurate, for wind energy provides certain basis using analysis.Either for the wind power station being completed,
Or the environmental assessment of the wind power station to that will build, this method can all have application well.
The technique effect of design of the invention, concrete structure and generation is described further below with reference to accompanying drawing,
To be fully understood from the purpose of the present invention, feature and effect.
Brief description of the drawings
Fig. 1 is that the composition of the wind-resources monitoring system based on ZigBee of a preferred embodiment of the invention is illustrated
Figure.
Fig. 2 is the wind-resources monitoring system air monitoring based on ZigBee of a preferred embodiment of the invention
Module composition schematic diagram.
Fig. 3 is the wind-resources monitoring system telegon group based on ZigBee of a preferred embodiment of the invention
Into schematic diagram.
Fig. 4 is the wind-resources monitoring system topological diagram based on ZigBee of a preferred embodiment of the invention.
Fig. 5 is a wind-resources monitoring method schematic flow sheet based on ZigBee of preferred embodiment.
Specific embodiment
As shown in figure 1, a kind of wind-resources monitoring system based on ZigBee, including the He of air monitoring module 1
Host computer 2, wind speed measurement module 1 and host computer 2 are communicated by serial ports；Institute wind speed measurement module 1
Including collection transmitting terminal 10 and telegon 12, collection transmitting terminal 10 includes multiple air monitoring nodes 11,
It is distributed in wind power plant, the channel radio that the air speed data that each air monitoring node 11 is gathered passes through ZigBee
News agreement is sent to telegon 12, and telegon 12 is sent to host computer by the air speed data that serial ports will be received
2.Host computer 2 is extrapolated according to the air speed data for collecting and corresponding coordinate information using the method for interpolation
The wind speed size gone out at each Wind turbines, and then obtain the wind speed size of whole each position of wind power plant.Cause
It is that the coordinate that the wind-resources monitoring system based on ZigBee is sampled is substantially more compared with other manner, so to whole wind
The wind-resources monitoring and prediction of electric field just can be more accurate.
As shown in Fig. 2 air monitoring node 11 includes multiple air velocity transducers 111, multiple processing modules
112nd, multiple sending modules 113, air velocity transducer 111 gathers the air speed data of position, wind speed sensing
After the data that device 111 is obtained are via processing module 112, by transmission mould after the geographic coordinate information where addition
Block 113 sends.
As shown in figure 3, telegon 12 includes antenna 121, receiver module 122 and processing module 123, coordinate
After device antenna 121 receives the data in network, converged by receiver module 122 and processing module 123
Sent to host computer 2 using serial ports after total treatment.
Using ZigBee to target location wind speed is monitored in wind power plant when, can deliver substantial amounts of has
The air monitoring node of ZigBee functions covers whole wind power plant as much as possible, so with the number for collecting
According to carry out treatment extrapolation come the wind-resources data for obtaining whole wind power plant when just can be more accurate.Meanwhile, by
More convenient in air monitoring node motion, measurement position can change according to the demand of actual wind power plant,
So having more preferable flexibility.
It is as shown in Figure 4 topological diagram of the wind-resources monitoring system based on ZigBee in wind power plant environment, figure
Middle circle shape point represents the air monitoring node with ZigBee functions, and snowflake shape point then represents wind-powered electricity generation
Unit (this example temporarily only describes the situation of 8 ZigBee air monitorings nodes and 9 Wind turbines).
In wind power plant, the ZigBee air monitoring number of nodes for using is more, and distribution more reasonable just disclosure satisfy that to the greatest extent may be used
The requirement of wind power plant can be covered, this is that traditional mode institute for setting up anemometer tower is unappeasable.Meanwhile, ZigBee
MANET the characteristics of also cause that the wind-resources monitoring system based on ZigBee is more flexible.In actual wind power plant,
The ZigBee node quantity of monitoring system can be as needed increasedd or decreased, and does not interfere with total system
Function.
A kind of wind-resources monitoring method based on ZigBee, comprises the following steps：
Step S1, the wind speed number of position is gathered by the multiple air monitoring nodes being distributed in wind power plant
According to, and add the geographic coordinate information in location；
Step S2, according to the air speed data and the coordinate information that collect, using the method for interpolation outside
The wind speed size at each Wind turbines is obtained, the wind speed size of whole each position of wind power plant is drawn.
Wind speed size at Wind turbines is the basis of output of wind electric field, is also to analyze the basis that wind power plant is integrally exerted oneself.
According to environmental factors such as air speed data, terrain data, weather datas, using means such as two-dimensional interpolation numerical analyses,
Wind power plant is simulated and is analyzed, constructing environment factor is in actual blower fan location point two-dimensional interpolation model.Conventional inserts
Value method has Lagrange's interpolation, Newton interpolating method, Hammett differential technique, piecewise polynomial interpolation and batten to insert
Value.Because wind power plant this class needs the environment being monitored to wind-resources general all in relatively flat area,
So herein using the method for two-dimentional cubic spline interpolation, the method be by a smooth surface of series of points,
The process of toroidal function group is mathematically drawn by solving three moments euqation group.Preferably convergence is obtained with low-cost
Property, the convergence with single order, second dervative can well be simulated effect.Specific embodiment is such as
Under:
If real-valued function f (x, y) is defined on rectangular area
D={ a<x<b,c<y<d},
Interpolation knot collection:
Z=(xi, yj) | a<x0<x1<…<xn<…<b,c<y0<y1<…<ym<…<d}.
Take the group of functions of the linear independence on Z
Wherein,It is number of times many on x not higher than n times, the binary on y not higher than m times
Item formula.
In function space
Upper searching bivariate interpolation multinomial
It is set to meet interpolation condition pmn(xi,yj)=f (xi,yj) wherein i=0,1 ... n；J=0,1 ... m. are such as the feelings of unitary
Condition, the bivariate interpolation function for meeting interpolation condition is uniquely exist.This problem is exactly the algebraically of binary function
Interpolation problem.
Mathematically, conventional interpolation method have Lagrange's interpolation, Newton interpolating method, Hammett differential technique,
Piecewise polynomial interpolation and spline interpolation.Here using the lagrange-interpolation of binary function.The method
It is fairly simple, it is relatively more suitable for general mathematic interpolation.The Interpolation-Radix-Function of binary Lagrange's interpolation is such as
Under：
Wherein
Wind-resources monitoring method based on ZigBee is advantageous in that increasing for its sampled point, the knot that interpolation goes out
Fruit just can be more accurate.
Preferred embodiment of the invention described in detail above.It should be appreciated that the ordinary skill of this area need not
Creative work just can make many modifications and variations with design of the invention.Therefore, it is all in the art
Technical staff passes through logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Available technical scheme, all should be in the protection domain being defined in the patent claims.
Claims (8)
1. a kind of wind-resources monitoring system based on ZigBee, including air monitoring module and host computer, it is special
Levy and be, the wind speed measurement module and the host computer are communicated by serial ports；The wind speed
Detection module includes collection transmitting terminal and telegon, and the collection transmitting terminal includes multiple air monitorings
Node, the air monitoring node has ZigBee functions, is distributed in the wind power plant, described
The air speed data of each air monitoring node collection is sent to institute by the home control network communication protocol of ZigBee
Telegon is stated, the telegon is sent to described upper by the air speed data that serial ports will be received
Machine.
2. the wind-resources monitoring system of ZigBee is based on as claimed in claim 1, it is characterised in that the wind
Slowdown monitoring node includes multiple air velocity transducers, multiple processing modules, multiple sending modules, described
Air velocity transducer gather position air speed data, the data that the air velocity transducer is obtained via
After the processing module, sent by the sending module after the geographic coordinate information where addition.
3. the wind-resources monitoring system of ZigBee is based on as claimed in claim 1 or 2, it is characterised in that institute
Stating telegon includes antenna, receiver module and processing module, and the telegon antenna is received in network
Data after, after the receiver module and the processing module carry out aggregation process use serial ports
Send to the host computer.
4. the wind-resources monitoring system of ZigBee is based on as claimed in claim 3, it is characterised in that the wind
Slowdown monitoring node is arranged according to the position of Wind turbines, covers whole wind power plant.
5. a kind of wind-resources monitoring method based on ZigBee, it is characterised in that comprise the following steps：
The air speed data of position is gathered by the multiple air monitoring nodes being distributed in wind power plant, and
Add the geographic coordinate information in location；
It is each using being obtained outside the method for interpolation according to the air speed data and the coordinate information that collect
Wind speed size at individual Wind turbines, draws the wind speed size of whole each position of wind power plant.
6. the wind-resources monitoring method of ZigBee is based on as claimed in claim 5, it is characterised in that the wind
Slowdown monitoring node is moved in the electric field, the demand according to actual wind power plant and change measurement position.
7. the wind-resources monitoring method of ZigBee is based on as claimed in claim 6, it is characterised in that the wind
The quantity of slowdown monitoring node can be increasedd or decreased as needed.
8. the wind-resources monitoring method of ZigBee is based on as claimed in claim 5, it is characterised in that described to insert
Value method is the lagrange-interpolation of binary function.
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| CN109270290A (en) * | 2018-10-17 | 2019-01-25 | 中国农业大学 | A kind of air monitoring system and air monitoring method for poultry house environment |
| CN114817847A (en) * | 2022-06-30 | 2022-07-29 | 广州兆和电力技术有限公司 | Energy storage power station intelligent monitoring method based on multilayer feedforward neural network |
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