CN109444460B - Wind direction measuring device and method for wind power generation - Google Patents
Wind direction measuring device and method for wind power generation Download PDFInfo
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- CN109444460B CN109444460B CN201811210292.6A CN201811210292A CN109444460B CN 109444460 B CN109444460 B CN 109444460B CN 201811210292 A CN201811210292 A CN 201811210292A CN 109444460 B CN109444460 B CN 109444460B
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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
- G01P13/00—Indicating or recording presence, absence, or direction, of movement
- G01P13/02—Indicating direction only, e.g. by weather vane
- G01P13/025—Indicating direction only, e.g. by weather vane indicating air data, i.e. flight variables of an aircraft, e.g. angle of attack, side slip, shear, yaw
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L11/00—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00
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Abstract
The invention discloses a wind direction measuring device and a wind direction measuring method for wind power generation, and relates to the technical field of wind direction measurement. The pressure sensing device comprises a base, a fixed rod, a pressure sensing device, a power supply, an MCU chip and a shielding plate, wherein one surface of the base is connected with the fixed rod, the fixed rod is connected with the pressure sensing device through a fixed frame, a plurality of grid baffles are arranged inside one end of the fixed rod, the grid baffles and the fixed rod are matched with each other to form a plurality of cavities, the power supply and the MCU chip are fixed in the cavities, and one surface of the fixed seat is connected with the shielding plate through a baffle seat. According to the wind power generation system, the wind direction measuring devices are arranged on the periphery of the wind power plant to monitor the real-time wind direction, so that the wind power generator turns in advance, the generation preparation is well made, the utilization rate of wind energy is improved, and the electric energy waste caused by turning of the wind power generator due to short-time wind is reduced by taking the average value of wind power for a period of time as a screening condition.
Description
Technical Field
The invention belongs to the technical field of wind direction measurement, and particularly relates to a wind direction measuring device for wind power generation and a measuring method thereof.
Background
With the progress of sustainable development in China, novel clean energy is gradually applied to various industries. Wind energy is used as a natural renewable resource, and is converted into electric energy to supplement electric power, so that the number of thermal power generation is reduced, and environmental protection and coal resource saving are facilitated. At present, a common wind energy utilization mode is to realize energy conversion through a wind driven generator. The wind power generator can adjust the angle of the fan blades according to the direction of wind, the utilization efficiency of wind energy is improved to the greatest extent, but a part of wind energy is obviously lost due to the fact that the wind direction sensing device installed on the generator cannot turn in time, and the wind energy cannot be utilized reasonably and effectively to the greatest extent.
Disclosure of Invention
The invention aims to provide a wind direction measuring device and a wind direction measuring method for wind power generation.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a wind direction measuring device for wind power generation, which comprises a base, a fixed rod, a pressure sensing device, a power supply, an MCU chip and a baffle plate, wherein one surface of the base is connected with the fixed rod, the fixed rod is of a ring structure, a plurality of grid baffles are arranged in one end of the fixed rod, the grid baffles and the fixed rod are matched with each other to form a plurality of cavities, the power supply and the MCU chip are fixed in the cavities, a plurality of fixing frames are arranged on the peripheral side surface of one end of the fixed rod, the fixing frames are connected with the pressure sensing device, one surface of the pressure sensing device is connected with the grid baffles, one surface of the fixed rod is connected with a baffle seat, the baffle seat is connected with the baffle plate, the baffle plate is of an umbrella-shaped structure, and one surface;
the solar panel is characterized in that the power supply is electrically connected with the solar panel, the power supply is electrically connected with the MCU chip, the power supply is electrically connected with the pressure sensing device, and the pressure sensing device is electrically connected with the MCU chip.
Preferably, the model of the MCU chip is LPC1768FBD 100.
Preferably, the pressure sensing device comprises a bearing plate and a pressure sensor, wherein one surface of the bearing plate is connected with the fixed rod through a fixing frame, the other surface of the bearing plate is connected with the pressure sensor, the pressure sensor is connected with the grid baffle, and the model of the pressure sensor is BTL 6-A111-M0050-A1-S115.
Preferably, the wind direction measuring device further comprises a data collector comprising a data processor of a type comprising sempern LE or Athlon LE/X2 or Pentium.
Preferably, the wind direction measuring device further comprises a lightning rod, and the lightning rod is installed on the top of the shielding plate.
A measuring method of a wind direction measuring apparatus for wind power generation, comprising the steps of:
SS 01: uniformly installing a plurality of wind direction measuring devices around a wind power generation field, wherein the surface directions of grid baffles of the wind direction measuring devices are opposite to those of the wind power generation field, and the normal directions of the grid baffles of all the wind direction measuring devices are at one point and are marked as an original point;
SS 02: numbering all wind direction measuring devices in a counterclockwise direction by taking the east-righting direction as an initial direction, wherein the numbering sequence is from small to large;
SS 03: the pressure sensing device transmits real-time wind power in all directions to the MCU chip, the MCU chip calculates pressure average values in three minutes and transmits the pressure average values to the data processor, the data processor screens the maximum value in all the pressure average values, and compares the pressure average values of the wind direction measuring devices with the maximum value and the wind direction measuring device with the front number and the rear number according to the number of the wind direction measuring device corresponding to the maximum value, the number of the wind direction measuring device corresponding to the maximum pressure average value is selected, and wind directions are measured and pressure is measured according to the two selected wind direction measuring devices.
Preferably, in step SS03, the pressure of the wind direction measuring device numbered corresponding to the maximum value of the pressure average value is recorded as Fa, and the pressure direction is from the wind direction measuring device numbered corresponding to the maximum value of the pressure average value to the origin; recording the magnitude of wind power received by the other wind direction measuring device as Fb, and the pressure direction is from the wind direction measuring device to the origin; when the total installation amount of the wind direction measuring device is n, the number corresponding to the maximum value of the measured pressure average value is s, the included angle between the wind direction and the wind direction measuring device with the number corresponding to the maximum value of the pressure average value is theta, the anticlockwise rotation angle of the wind direction from the east direction is alpha, and then the value of theta is as follows:
the value of the wind direction α is:
when the number of the wind direction measuring device corresponding to Fb is larger than that of the wind direction measuring device corresponding to Fa, the wind direction measuring device takes a positive sign, otherwise, the wind direction measuring device takes a negative sign, and the wind power is
The invention has the following beneficial effects:
according to the wind power generation system, the wind direction measuring devices are arranged on the periphery of the wind power plant to monitor the real-time wind direction, so that the wind power generator turns in advance, the generation preparation is well made, the utilization rate of wind energy is improved, and the electric energy waste caused by turning of the wind power generator due to short-time wind is reduced by taking the average value of wind power for a period of time as a screening condition.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of a wind direction measuring device for wind power generation;
FIG. 2 is a front view of a wind direction measuring device for wind power generation;
FIG. 3 is a schematic view of the cross-sectional structure A-A of FIG. 2;
FIG. 4 is an enlarged view of a portion A of FIG. 3;
FIG. 5 is a circuit connection diagram of a wind direction measuring device for wind power generation;
FIG. 6 is a schematic diagram showing the distribution directions of a plurality of wind direction measuring devices;
FIG. 7 is a flow chart of a measuring method of a wind direction measuring device for wind power generation;
FIG. 8 is a schematic view of a device for calculating the force direction of a wind direction measuring device.
In the drawings, the components represented by the respective reference numerals are listed below:
the device comprises a base 1, a fixing rod 2, a pressure sensing device 3, a grid baffle 4, a power supply 5, a fixing frame 6, a data processor 7, a shielding plate 8 and a baffle seat 201.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "middle", "outer", "inner", "around", and the like, indicate orientations or positional relationships, are used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
The first embodiment is as follows:
referring to fig. 1-4, the invention relates to a wind direction measuring device for wind power generation, which comprises a base 1, a fixing rod 2, a pressure sensing device 3, a power supply 5, an MCU chip 7 and a shielding plate 8, wherein one surface of the base 1 is connected with the fixing rod 2, the fixing rod 2 is in a ring structure, a plurality of grid baffles 4 are arranged inside one end of the fixing rod 2, the grid baffles 4 and the fixing rod 2 are matched with each other to form a plurality of cavities, the power supply 5 and the MCU chip 7 are fixed in the cavities, a plurality of fixing frames 6 are arranged on the circumferential side surface of one end of the fixing rod 2, the fixing frames 6 are connected with the pressure sensing device 3, one surface of the pressure sensing device 3 is connected with the grid baffles 4, one surface of the fixing rod 2 is connected with a blocking seat 201, the blocking seat 201 is connected with the shielding plate 8, the shielding plate 8 is.
As shown in fig. 5, the power supply 5 is electrically connected to the solar panel, the power supply 5 is electrically connected to the MCU chip 7, the power supply 5 is electrically connected to the pressure sensing device 3, and the pressure sensing device 3 is electrically connected to the MCU chip 7.
Further, the model of the MCU chip is LPC1768FBD 100.
Further, the pressure sensing device 3 comprises a bearing plate and a pressure sensor, wherein one surface of the bearing plate is connected with the fixed rod 2 through a fixing frame 6, the other surface of the bearing plate is connected with the pressure sensor, the pressure sensor is connected with the grid baffle 4, and the model of the pressure sensor is BTL 6-A111-M0050-A1-S115.
Further, the wind direction measuring device further comprises a data collector, wherein the data collector comprises a data processor, and the model of the data processor comprises Sempron LE or Athlon LE/X2 or Pentium.
Further, wind direction measuring device still includes the lightning rod, and the lightning rod is installed at 8 tops of shielding plate.
Example two:
referring to fig. 6 to 7, a measuring method of a wind direction measuring apparatus for wind power generation includes the following steps:
SS 01: uniformly installing a plurality of wind direction measuring devices around a wind power generation field, wherein the surface directions of the grid baffles 4 of the wind direction measuring devices are opposite to those of the wind power generation field, and the normal directions of the grid baffles 4 of all the wind direction measuring devices are at one point and are marked as an original point;
SS 02: numbering all wind direction measuring devices in a counterclockwise direction by taking the east-righting direction as an initial direction, wherein the numbering sequence is from small to large;
SS 03: the pressure sensing device transmits real-time wind power in all directions to the MCU chip 7, the MCU chip 7 calculates pressure average values in three minutes and transmits the pressure average values to the data processor, the data processor screens the maximum value in all the pressure average values, the serial numbers of the wind direction measuring devices corresponding to the maximum value are compared according to the serial numbers of the wind direction measuring devices corresponding to the maximum value, the serial numbers of the wind direction measuring devices corresponding to the maximum value wind direction measuring devices are selected, and wind directions are measured and pressure is measured according to the two selected wind direction measuring devices.
As shown in fig. 8, in step SS03, the pressure of the wind direction measuring device numbered corresponding to the maximum value of the pressure average value is denoted as Fa, and the pressure direction is from the wind direction measuring device numbered corresponding to the maximum value of the pressure average value to the origin; recording the magnitude of wind power received by the other wind direction measuring device as Fb, and the pressure direction is from the wind direction measuring device to the origin; when the total installation amount of the wind direction measuring device is n, the measured average value of the pressure is the maximumThe number corresponding to the value is s, the included angle between the wind direction and the wind direction measuring device with the number corresponding to the maximum value of the pressure average value is theta, the counterclockwise rotation angle from the east direction is alpha, and then the value of theta is:
the value of the wind direction α is:
when the number of the wind direction measuring device corresponding to Fb is larger than that of the wind direction measuring device corresponding to Fa, the wind direction measuring device takes a positive sign, otherwise, the wind direction measuring device takes a negative sign, and the wind power is
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (1)
1. A measuring method of a wind direction measuring device for wind power generation comprises a base (1), a fixed rod (2), a pressure sensing device (3), a power supply (5), an MCU chip (7) and a baffle plate (8), wherein one surface of the base (1) is connected with the fixed rod (2), the fixed rod (2) is of a ring structure, a plurality of grid baffles (4) are arranged outside one end of the fixed rod (2), the grid baffles (4) and the fixed rod (2) are matched with each other to form a plurality of cavities, the power supply (5) and the MCU chip (7) are fixed in the cavities, a plurality of fixing frames (6) are arranged on the peripheral side surface of one end of the fixed rod (2), the fixing frames (6) are connected with the pressure sensing device (3), one surface of the pressure sensing device (3) is connected with the grid baffles (4), and one surface of the fixed rod (2) is connected with a baffle seat (201), the baffle seat (201) is connected with a baffle plate (8), the baffle plate (8) is of an umbrella-shaped structure, and one surface of the baffle plate (8) is connected with a solar panel;
the solar panel is characterized in that the power supply (5) is electrically connected with the solar panel, the power supply (5) is electrically connected with the MCU chip (7), the power supply (5) is electrically connected with the pressure sensing device (3), and the pressure sensing device (3) is electrically connected with the MCU chip (7);
the model of the MCU chip (7) is LPC1768FBD 100;
the pressure sensing device (3) comprises a bearing plate and a pressure sensor, wherein one surface of the bearing plate is connected with the fixed rod (2) through a fixing frame (6), the other surface of the bearing plate is connected with the pressure sensor, the pressure sensor is connected with the grid baffle (4), and the model of the pressure sensor is BTL 6-A111-M0050-A1-S115;
the wind direction measuring device further comprises a data collector comprising a data processor, the data processor being of a type comprising sempern LE or Athlon LE/X2 or Pentium;
the wind direction measuring device also comprises a lightning rod, and the lightning rod is arranged at the top of the shielding plate (8);
the method is characterized by comprising the following steps:
SS 01: uniformly installing a plurality of wind direction measuring devices around a wind power generation field, wherein the surface directions of grid baffles (4) of the wind direction measuring devices are opposite to the wind power generation field, and the normal directions of the grid baffles (4) of all the wind direction measuring devices are at one point and are marked as an original point;
SS 02: numbering all wind direction measuring devices in a counterclockwise direction by taking the east-righting direction as an initial direction, wherein the numbering sequence is from small to large;
SS 03: the pressure sensing device transmits real-time wind power in all directions to the MCU chip (7), the MCU chip (7) calculates pressure average values in three minutes and transmits the pressure average values to the data processor, the data processor screens the maximum value in all the pressure average values, compares the pressure average values of the wind direction measuring devices with the front number and the rear number of the wind direction measuring device with the maximum value according to the number of the wind direction measuring device corresponding to the maximum value, selects the number of the wind direction measuring device corresponding to the maximum pressure average value, and measures the wind direction and measures the pressure according to the two screened wind direction measuring devices;
in the step SS03, the pressure of the wind direction measuring device numbered corresponding to the maximum value of the pressure average value is recorded as Fa, and the pressure direction is from the wind direction measuring device numbered corresponding to the maximum value of the pressure average value to the origin; recording the magnitude of wind power received by the other wind direction measuring device as Fb, and the pressure direction is from the wind direction measuring device to the origin; when the total installation amount of the wind direction measuring device is n, the number corresponding to the maximum value of the measured pressure average value is s, the included angle between the wind direction and the pressure direction of the wind direction measuring device with the number corresponding to the maximum value of the pressure average value is theta, and the counterclockwise rotation angle of the wind direction from the east direction is alpha, the value of the theta is as follows:
the value of the wind direction α is:
when the number of the wind direction measuring device corresponding to Fb is larger than that of the wind direction measuring device corresponding to Fa, the wind direction measuring device takes a positive sign, otherwise, the wind direction measuring device takes a negative sign, and the wind power is
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| CN109949657A (en) * | 2019-04-19 | 2019-06-28 | 北方天途航空技术发展（北京）有限公司 | Unmanned plane on-line operation learning platform and learning method |
| CN111982386B (en) * | 2020-09-16 | 2022-02-18 | 国网宁夏电力有限公司电力科学研究院 | Energy-saving big data and big wind prediction device for electric power facility |
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| JPH09196959A (en) * | 1996-01-19 | 1997-07-31 | Yokogawa Electric Corp | Wind direction/speed indicator |
| CN102444543B (en) * | 2010-09-30 | 2013-10-09 | 华锐风电科技(集团)股份有限公司 | Method and device for judging unnecessary windward condition, and method and system for tracking wind |
| CN104314759A (en) * | 2014-10-23 | 2015-01-28 | 内蒙古久和能源科技有限公司 | Wind direction weighted filtering-based automatic yaw controlling method for wind generating set |
| CN104793011B (en) * | 2014-12-19 | 2018-03-30 | 太原航空仪表有限公司 | A kind of method that train-installed omnidirectional's solid-state surveys wind |
| JP6418972B2 (en) * | 2015-02-06 | 2018-11-07 | 国立研究開発法人産業技術総合研究所 | Wind direction anemometer and wind direction wind speed measurement method |
| CN206193027U (en) * | 2016-11-15 | 2017-05-24 | 隋浩 | Detect induction system of wind direction |
| CN206488883U (en) * | 2017-01-13 | 2017-09-12 | 宁聚鹏（深圳）技术有限公司 | A kind of micro-pressure-difference sensing device |
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