CN215218869U - Wind power plant wind speed and direction measuring device - Google Patents
Wind power plant wind speed and direction measuring device Download PDFInfo
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- CN215218869U CN215218869U CN202121094058.9U CN202121094058U CN215218869U CN 215218869 U CN215218869 U CN 215218869U CN 202121094058 U CN202121094058 U CN 202121094058U CN 215218869 U CN215218869 U CN 215218869U
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Abstract
The utility model relates to a wind power plant wind speed and direction measuring device, which comprises a data acquisition terminal, a data processing terminal and a wind power plant central station server; the data acquisition terminals are connected with the data processing terminal through a wireless network, and the data processing terminal is connected with the wind power plant central station server through the wireless network; the data acquisition terminal comprises a microprocessor, a wind speed and direction detection circuit, a data repeated reading module, a data storage module and a wireless communication module; the input end of the microprocessor is connected with the wind speed and direction detection circuit, and the output end of the microprocessor is respectively connected with the data storage module and the wireless communication network module; the input end of the data repeated reading module is connected with the data storage module, and the output end of the data repeated reading module is connected with the microprocessor; the wind speed and direction detection circuit is provided with the wind speed detection sensor and the wind direction detection sensor, and the device can acquire a large amount of detection data in time, and is simple in structure and high in measurement precision.
Description
Technical Field
The utility model relates to a wind speed wind direction measurement field especially relates to a wind-powered electricity generation field wind speed wind direction measuring device.
Background
Wind power generation is highly regarded by countries in the world as the most economical and mature renewable energy power generation at present. In recent years, the centralized development and utilization of large-scale wind power plants in China become the mainstream direction of wind power generation, but the grid-connected operation of large-scale wind power brings certain difficulties to the scheduling of a power system, and further the phenomenon of wind power abandon is caused. The main reasons for causing wind power abandoned wind are the random fluctuation of wind power wind speed and the dispersion of spatial distribution of wind power generation sets, and the difficulty in predicting the wind speed of a wind power plant and controlling the output power, thereby bringing difficulties to scheduling control. Therefore, it is particularly important to monitor wind speed and wind direction of the wind farm.
However, the existing wind power plant wind speed and direction measuring device generally has the problem of untimely data acquisition, meanwhile, due to the fact that the data sampling frequency is not high, the data acquisition samples are not enough, and part of data in the acquired data samples is missing or seriously lost, so that the measuring accuracy of the wind speed and the wind direction in the wind power plant is greatly reduced. Therefore, how to improve the measurement accuracy of wind speed and wind direction of the wind power plant is a problem which needs to be solved urgently at present.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a wind-powered electricity generation field wind speed and direction measuring device through set up a plurality of data acquisition terminals at wind-powered electricity generation field, can gather sufficient wind speed and direction detection sample simultaneously on a large scale, for the detection sample of gathering is more timely, abundant, thereby has effectively improved wind speed and direction's measurement accuracy. By arranging the data repeated reading module in each data acquisition terminal and utilizing the function of the data repeated reading module for repeatedly reading the detection data in the early stage, the problem of measurement accuracy reduction caused by insufficient detection data due to data loss or loss is solved.
In order to achieve the above object, the utility model provides a following scheme:
a wind power plant wind speed and direction measuring device comprises a data acquisition terminal, a data processing terminal and a wind power plant central station server;
the data acquisition terminals are connected with the data processing terminal through a wireless network, and the data processing terminal is connected with the wind power plant central station server through the wireless network;
the data acquisition terminal comprises a microprocessor, a wind speed and direction detection circuit, a data repeated reading module, a data storage module and a wireless communication module;
the input end of the microprocessor is connected with the wind speed and direction detection circuit, and the output end of the microprocessor is respectively connected with the data storage module and the wireless communication module;
the input end of the data repeated reading module is connected with the data storage module, and the output end of the data repeated reading module is connected with the microprocessor;
and the wind speed and direction detection circuit is provided with a wind speed detection sensor and a wind direction detection sensor.
Optionally, the data acquisition terminal further includes an analog-to-digital conversion circuit, an input end of the analog-to-digital conversion circuit is connected with the wind speed and direction detection circuit, and an output end of the analog-to-digital conversion circuit is connected with the microprocessor.
Optionally, the data acquisition terminal further includes a signal conditioning circuit, an input end of the signal conditioning circuit is connected to the wind speed and direction detection circuit, and an output end of the signal conditioning circuit is connected to the analog-to-digital conversion circuit.
Optionally, a communication interface circuit is disposed on the microprocessor.
Optionally, the data acquisition terminal further includes a clock module, and the clock module is connected to the input end of the microprocessor.
Optionally, the data acquisition terminal is connected to the data processing terminal through an LoRa network.
Optionally, the data processing terminal is connected to the wind farm central station server through a GPRS network.
Optionally, the microprocessor is an STM32 processor.
Optionally, a 16-bit analog-to-digital conversion chip is disposed in the analog-to-digital conversion circuit.
Optionally, the wind speed detection sensor is an ultrasonic wind speed sensor, and the wind direction detection sensor is a photoelectric wind direction sensor.
According to the utility model provides a concrete embodiment, the utility model discloses a following technological effect:
1. the utility model discloses a set up a plurality of data acquisition terminals at wind-powered electricity generation field, can gather sufficient wind speed wind direction sample simultaneously on a large scale, for the detection sample of gathering is more timely, abundant, thereby has effectively improved the measurement accuracy of wind speed wind direction.
2. The utility model discloses a set up the repeated module that reads of data in every data acquisition terminal, when taking place the data disappearance or losing, utilize the repeated module that reads of data to repeatedly read the last detected data that keeps in among the data storage module to compensate the problem that the measuring accuracy that the detected data is not enough to cause descends, promoted the measuring accuracy of wind speed and direction.
3. The utility model discloses a data acquisition terminal, data processing terminal and wind farm central station server are connected to wireless communication network's mode, need not to lay complicated transmission line, have reduced the cost of a whole set of real-time wind speed wind direction data acquisition device, have realized measuring device's intellectuality and long-range, the quick real-time accurate measurement of the on-the-spot data of being convenient for.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of an overall structure of a wind speed and direction measuring device for a wind farm provided in embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of a data acquisition terminal provided in embodiment 1 of the present invention.
Description of reference numerals:
the system comprises a data acquisition terminal, a microprocessor 101, a 1011 communication interface circuit, a 102 wind speed and direction detection circuit, a 1021 wind speed detection sensor, a 1022 wind direction detection sensor, a 103 data repeated reading module, a 104 data storage module, a 105 wireless communication module, a 106 analog-digital conversion circuit, a 107 signal conditioning circuit, a 108 clock module, a 2 data processing terminal and a 3 wind power plant central station server.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a wind-powered electricity generation field wind speed and direction measuring device through set up a plurality of data acquisition terminals at wind-powered electricity generation field, can gather sufficient wind speed and direction detection sample simultaneously on a large scale, for the detection sample of gathering is more timely, abundant, thereby has effectively improved wind speed and direction's measurement accuracy. By arranging the data repeated reading module in each data acquisition terminal and utilizing the function of the data repeated reading module for repeatedly reading the detection data in the early stage, the problem of measurement accuracy reduction caused by insufficient detection data due to data loss or loss is solved.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
Example 1
As shown in fig. 1, the present embodiment shows a wind speed and wind direction measuring device for a wind farm, which is composed of a data acquisition terminal 1, a data processing terminal 2 and a wind farm central station server 3. The data acquisition terminals 1 are connected with the data processing terminal 2 through a wireless network, and the data processing terminal 2 is connected with the wind power plant central station server 3 through a wireless network.
In this embodiment, a wireless network connected between each data acquisition terminal 1 and the data processing terminal 2 is an LoRa network, a wireless network connected between the data processing terminal 2 and the wind farm central station server 3 is a GPRS network, and a 4G or 5G communication network may be adopted.
Fig. 2 is a schematic structural diagram of the data acquisition terminal 1 provided in this embodiment. As shown in fig. 2, the data acquisition terminal 1 includes a microprocessor 101, a wind speed and direction detection circuit 102, a data repeat reading module 103, a data storage module 104, a wireless communication module 105, an analog-to-digital conversion circuit 106, a signal conditioning circuit 107, and a clock module 108.
The microprocessor 101 has an operation and control function, an input end of the microprocessor is connected to the wind speed and direction detection circuit 102, and an output end of the microprocessor is connected to the data storage module 104 and the wireless communication module 105, respectively. The wireless communication module 105 provides a wireless network for the data acquisition terminal 1, the data processing terminal 2 and the wind power station central station server 3, adopts a wireless network transmission communication mode, not only improves the timeliness and the real-time performance of transmission detection data, but also does not need to lay a complex transmission line, reduces the installation cost, realizes the intellectualization and the remote control of the measuring device, and facilitates the rapid, real-time and accurate measurement of field data.
The input end of the data repeat reading module 103 is connected to the data storage module 104, and the output end is connected to the microprocessor 101. The data repeated reading module 103 can repeatedly read the last detection data stored in the data storage module 104, so as to make up for the problem that the measurement accuracy is reduced due to insufficient detection data caused by the loss of part of detection data, and improve the measurement accuracy of wind speed and wind direction.
The wind speed and direction detection circuit 102 comprises a wind speed signal acquisition circuit and a wind direction signal acquisition circuit, a wind speed detection sensor 1021 for acquiring wind speed detection data is arranged in the wind speed signal acquisition circuit, and a wind direction detection sensor 1022 for acquiring wind direction detection data is arranged in the wind direction signal acquisition circuit.
In the present embodiment, the wind speed detection sensor 1021 is an ultrasonic wind speed sensor, and the wind direction detection sensor 1022 is a photoelectric wind direction sensor. The wind speed detecting sensor 1021 may also adopt a mechanical wind speed sensor, such as a three-cup wind speed sensor; the wind direction detecting sensor 1022 may also be a wind direction arrow type wind direction sensor, or may also be an integrated wind direction and wind speed detector, such as a PH-M5YT-MINI ultrasonic series detector. It should be noted that the types and models of the wind speed detecting sensor 1021 and the wind direction detecting sensor 1022 are not exclusive, and any setting of the types and models of the wind speed detecting sensor 1021 and the wind direction detecting sensor 1022 should be within the scope of the present invention.
In this embodiment, an input end of the signal conditioning circuit 107 is connected to the wind speed and direction detecting circuit 102, and an output end of the signal conditioning circuit 107 is connected to the analog-to-digital conversion circuit 106. The input end of the analog-to-digital conversion circuit 106 is connected with the wind speed and direction detection circuit 102, and the output end of the analog-to-digital conversion circuit 106 is connected with the microprocessor 101. The signal conditioning circuit 107 can perform signal conditioning such as amplification, filtering and the like on the acquired wind speed and wind direction detection signals. The analog-to-digital conversion circuit 106 is provided with a 16-bit analog-to-digital conversion chip having an analog-to-digital conversion function, and has a function of converting the conditioned wind speed and direction detection signal into a digital signal and transmitting the digital signal to the microprocessor 101. The analog-to-digital conversion chip can adopt an AD7705 chip, an LTC1859IG chip or an ADS1148IPWR chip and the like.
In this embodiment, the microprocessor 101 is an STM 32-series microprocessor 101, and has the characteristics of high performance, low power consumption and low cost, so that the signal processing efficiency is improved, the working energy consumption is reduced, and the service life of the device is prolonged. The microprocessor 101 may also be a single chip microcomputer of the type AVR 32.
The microprocessor 101 is further provided with a communication interface circuit 1011, and the communication interface circuit 1011 provides rich communication interfaces for the microprocessor 101, so that connection with each functional module is realized.
Each data acquisition terminal 1 is internally provided with a clock module 108, the clock module 108 is connected with the input end of the microprocessor 101, the clock modules 108 are all time-served by the data processing terminal 2 in a unified manner, the clock modules 108 not only can display the current time, but also have the function of marking time marks for each piece of detection data temporarily stored in the data storage module 104, so that the simultaneity and the real-time property of the wind speed and direction detection data stored in each data acquisition terminal 1 are ensured.
In this embodiment, the data processing terminal 2 has a function of counting and processing wind speed and direction detection data according to a fixed period, in this embodiment, the collection period of the data collection terminal 1 is set to be collected every 1 minute, and the statistical period of the data processing terminal 2 is set to be counted every 5 minutes. The wind power station central station server 3 has the functions of data storage and data analysis, can perform summary analysis on the wind speed and direction detection data by taking time, day, month, quarter or year as time periods, and visually displays the wind speed and direction detection data in the form of a curve chart or a bar chart. It should be noted that the above cycle time is not fixed, and can be set according to actual requirements.
The utility model provides a wind-powered electricity generation field wind speed and direction measuring device through set up a plurality of data acquisition terminal 1 at wind-powered electricity generation field, can gather sufficient wind speed and direction detection sample simultaneously on a large scale, for the detection sample of gathering is more timely, abundant, thereby has effectively improved wind speed and direction's measurement accuracy.
The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (10)
1. A wind power plant wind speed and direction measuring device is characterized by comprising a data acquisition terminal, a data processing terminal and a wind power plant central station server;
the data acquisition terminals are connected with the data processing terminal through a wireless network, and the data processing terminal is connected with the wind power plant central station server through the wireless network;
the data acquisition terminal comprises a microprocessor, a wind speed and direction detection circuit, a data repeated reading module, a data storage module and a wireless communication module;
the input end of the microprocessor is connected with the wind speed and direction detection circuit, and the output end of the microprocessor is respectively connected with the data storage module and the wireless communication module;
the input end of the data repeated reading module is connected with the data storage module, and the output end of the data repeated reading module is connected with the microprocessor;
and the wind speed and direction detection circuit is provided with a wind speed detection sensor and a wind direction detection sensor.
2. The wind farm wind speed and direction measuring device according to claim 1, wherein the data acquisition terminal further comprises an analog-to-digital conversion circuit, an input end of the analog-to-digital conversion circuit is connected with the wind speed and direction detection circuit, and an output end of the analog-to-digital conversion circuit is connected with the microprocessor.
3. The wind farm wind speed and direction measuring device according to claim 2, wherein the data acquisition terminal further comprises a signal conditioning circuit, an input end of the signal conditioning circuit is connected with the wind speed and direction detecting circuit, and an output end of the signal conditioning circuit is connected with the analog-to-digital conversion circuit.
4. The wind farm anemometry device of claim 1 wherein said microprocessor has a communications interface circuit disposed thereon.
5. The wind farm anemometry device of claim 1 wherein the data acquisition terminal further comprises a clock module, the clock module connected to an input of the microprocessor.
6. The wind farm anemometry device of claim 1 wherein the data acquisition terminal is connected to the data processing terminal through an LoRa network.
7. The wind farm anemometry device of claim 1 wherein the data processing terminal is connected to the wind farm central station server via a GPRS network.
8. The wind farm anemometry apparatus of claim 1 wherein the microprocessor is an STM32 processor.
9. The wind farm wind speed and direction measuring device according to claim 2, wherein a 16-bit analog-to-digital conversion chip is arranged in the analog-to-digital conversion circuit.
10. The wind farm anemometry apparatus of claim 1 wherein the wind speed detection sensor is an ultrasonic wind speed sensor and the wind direction detection sensor is a photoelectric wind direction sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121094058.9U CN215218869U (en) | 2021-05-21 | 2021-05-21 | Wind power plant wind speed and direction measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121094058.9U CN215218869U (en) | 2021-05-21 | 2021-05-21 | Wind power plant wind speed and direction measuring device |
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| Publication Number | Publication Date |
|---|---|
| CN215218869U true CN215218869U (en) | 2021-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121094058.9U Active CN215218869U (en) | 2021-05-21 | 2021-05-21 | Wind power plant wind speed and direction measuring device |
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| CN (1) | CN215218869U (en) |
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2021
- 2021-05-21 CN CN202121094058.9U patent/CN215218869U/en active Active
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