CN210953099U - Noise data acquisition system of wind generating set and wind power plant - Google Patents
Noise data acquisition system of wind generating set and wind power plant Download PDFInfo
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- CN210953099U CN210953099U CN201922196254.6U CN201922196254U CN210953099U CN 210953099 U CN210953099 U CN 210953099U CN 201922196254 U CN201922196254 U CN 201922196254U CN 210953099 U CN210953099 U CN 210953099U
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Abstract
The application provides a wind generating set's noise data acquisition system and wind power generation field. The noise data acquisition system includes: the system comprises a unit data acquisition module, a anemometer tower sensor interface module, an acquired data processing module, a sound level meter interface module and a signal processing device; the input end of the unit data acquisition module is in communication connection with a main controller of the wind generating set, and the output end of the unit data acquisition module is in communication connection with the first input end of the acquisition data processing module; the output end of the anemometer tower sensor interface module is in communication connection with the second input end of the collected data processing module; the output end of the acquisition data processing module is in communication connection with the signal processing device; the sound level meter interface module is in communication connection with the signal processing device and transmits collected acoustic data of a preset noise signal measuring point to the signal processing device.
Description
Technical Field
The embodiment of the application relates to the technical field of wind power generation, in particular to a noise data acquisition system of a wind generating set and a wind power plant.
Background
Wind power is used as clean energy, and the environmental benefits are mainly reflected in that no harmful gas is emitted, no water resource is consumed, and carbon dioxide is reduced. However, wind power can cause noise pollution if not handled properly. Many core technical problems of design and installation of a wind turbine system of a current wind power generation system are primarily solved, but in the operation and maintenance process of a wind turbine generator, the problems that a wind power fluctuating power supply is difficult to adjust, the noise environment is greatly influenced and the like exist. The excessive noise of the wind power plant becomes one of important factors restricting the development of wind power.
The existing noise test system can meet the requirements of IEC61400-11 standard, but has some problems in the actual test process. The natural environment of wind power plants in China is generally severe, the air temperature is low in most of the whole year, cables are difficult to lay, effective protection is lacked for equipment when weather conditions such as rain, snow and the like are met, workers need to be kept on a noise test site, the working conditions are severe, the test equipment needs to be adjusted according to the change of wind directions in the noise test process, and the field workload is increased.
With the development and progress of the test standard and the test technology, the noise test standard is also updated to IEC61400-11:2012, higher requirements are placed on data sampling, acquisition and analysis judgment, but the existing non-acoustic data acquisition cannot be synchronously acquired in real time, so that the data acquisition is inconvenient, and the accuracy and consistency of the noise test result of the wind generating set are affected.
SUMMERY OF THE UTILITY MODEL
The embodiment of the application aims at providing a noise data acquisition system of a wind generating set and a wind generating field, and aims at solving the technical problem that non-acoustic data acquisition in the prior art cannot be synchronous and real-time.
In order to achieve the above object, in a first aspect, an embodiment of the present application provides a noise data acquisition system for a wind turbine generator system, including: the system comprises a unit data acquisition module, a anemometer tower sensor interface module, an acquired data processing module, a sound level meter interface module and a signal processing device;
the input end of the unit data acquisition module is in communication connection with a main controller of the wind generating set, and the output end of the unit data acquisition module is in communication connection with the first input end of the acquired data processing module and is used for transmitting the acquired running signal of the wind generating set to the acquired data processing module;
the output end of the anemometer tower sensor interface module is in communication connection with the second input end of the collected data processing module and is used for transmitting the collected meteorological signals to the collected data processing module;
the output end of the acquisition data processing module is in communication connection with the signal processing device and transmits non-acoustic data to the signal processing device, wherein the non-acoustic data comprises an operation signal and an meteorological signal;
the sound level meter interface module is in communication connection with the signal processing device and transmits the collected acoustic data of the preset noise signal measuring point to the signal processing device;
and the signal processing device is used for carrying out noise test on the wind generating set according to the non-acoustic data and the acoustic data.
Optionally, the noise data acquisition system of the embodiment of the present application further includes: an operation signal interface and a meteorological signal interface;
the input end of the unit data acquisition module is in communication connection with a main controller of the wind generating set through an operation signal interface;
the anemometer tower sensor interface module is in communication connection with the anemometer tower sensor through a meteorological signal interface;
the operation signal interface and/or the meteorological signal interface are pluggable interfaces.
Optionally, the noise data acquisition system of the embodiment of the application further includes: the lightning protection device comprises a signal lightning protection device and a signal acquisition module;
the output end of the anemometer tower sensor interface module is in communication connection with the second input end of the collected data processing module sequentially through the signal lightning protector and the signal collecting module.
Optionally, the noise data acquisition system of the embodiment of the application further includes: a first lightning protection interface and a second lightning protection interface;
one end of the signal lightning protector is in communication connection with the output end of the anemometer tower sensor interface module through a first lightning protection interface;
the other end of the signal lightning protector is in communication connection with the input end of the signal acquisition module through a second lightning protection interface;
the first lightning protection interface and/or the second lightning protection interface are pluggable interfaces.
Optionally, the collected data processing module and the sound level meter interface module are both in communication connection with the satellite antenna and are used for acquiring a time signal of the satellite antenna, so that the time of the non-acoustic data output by the collected data processing module is consistent with that of the acoustic data output by the sound level meter interface module; or the like, or, alternatively,
the collected data processing module and the sound level meter interface module are both in communication connection with the signal processing device and used for acquiring time signals of the signal processing device, so that time of non-acoustic data output by the collected data processing module is consistent with time of acoustic data output by the sound level meter interface module.
Optionally, the unit data acquisition module is a Beifu CX1020 embedded PC acquisition module, and the Beifu CX1020 embedded PC acquisition module is connected to the main controller of the wind generating set through a Beifu CX1500-M510PLC integrated module; and/or the like, and/or,
the acquisition data processing module is an IMC BusDAQ main acquisition module.
In a second aspect, embodiments of the present application further provide a wind farm, including: the noise monitoring system comprises a wind generating set, a wind measuring tower sensor, a sound level meter and the noise data acquisition system of the wind generating set in the first aspect;
the anemometer tower sensor is arranged in a preset position range around the wind generating set;
the sound level meter is arranged at a preset noise signal measuring point.
Optionally, the anemometer tower sensor comprises: the wind speed sensor, the wind direction sensor, the temperature and humidity sensor and the air pressure sensor are arranged on the wind speed sensor;
the signal lightning protector comprises a first signal lightning protector, a second signal lightning protector, a third signal lightning protector and a fourth signal lightning protector;
the wind speed sensor, the wind direction sensor, the temperature and humidity sensor and the gas pressure sensor are respectively in communication connection with the input end of the signal acquisition module through the first signal lightning protection device, the second signal lightning protection device, the third signal lightning protection device and the fourth signal lightning protection device.
Optionally, a frequency conditioning module is arranged between the wind speed sensor and the first signal lightning protector, and is used for converting the frequency signal output by the wind speed sensor into a voltage signal;
a resistance conditioning module is arranged between the wind direction sensor and the second signal lightning protector and is used for converting a resistance signal output by the wind direction sensor into a voltage signal;
and a current conditioning module is arranged between the temperature and humidity sensor and the third signal lightning protector and is used for converting current signals output by the temperature and humidity sensor into voltage signals.
Optionally, the anemometer tower sensor is located on the anemometer tower;
the preset position range around the wind generating set comprises: the wind measuring tower is positioned at the left rear or the right rear of the wind generating set, and the distance between the wind measuring tower and the wind generating set is 1-2 times of the diameter of an impeller of the wind generating set.
Optionally, the sound meter is a B & K2250 model sound meter.
Compared with the prior art, the technical scheme of the embodiment of the application has at least the following beneficial technical effects:
the anemometer tower sensor interface module and the unit data acquisition module are in communication connection with the two input ends of the acquisition data processing module respectively, and the output end of the acquisition data processing module sends non-acoustic data including running signals and meteorological signals to the signal processing device. According to the embodiment of the application, the operation signals and the meteorological signals are combined through the collected data processing module, the non-acoustic data are synchronized and collected in real time, the collected data are convenient, and the noise testing accuracy and consistency of the wind generating set are improved. Meanwhile, the noise optimization of the wind generating set is promoted by accurately measuring the noise of the wind generating set, so that a balance point of wind power generation and noise protection is found, and the healthy development of the wind power industry is guaranteed.
The embodiment of the application develops a non-acoustic data acquisition system for the noise test of the wind generating set, has an extensible function, realizes the acquisition of the synchronism and the real-time property of acoustic data and non-acoustic data during the noise test, improves the accuracy of the noise test of the wind generating set, ensures the accuracy and the consistency of the acoustic data and the non-acoustic measured data, improves the test efficiency, and simultaneously provides powerful data support for the analysis and optimization of the noise problem of the wind generating set in the later period.
The noise data acquisition system that this application embodiment provided is portable device, and this system adopts a plurality of plug interfaces to be connected respectively with wind generating set and anemometry tower in the wind farm of being surveyed for test site simple to operate is swift and easily on-the-spot transport, has reduceed manpower and time cost, has improved efficiency of software testing.
Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.
Drawings
The foregoing and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a block diagram of a noise data acquisition system of a wind turbine generator system according to an embodiment of the present disclosure;
FIG. 2 is a block diagram of a noise data collection system of a wind turbine generator system according to another embodiment of the present disclosure;
FIG. 3 is a block diagram of a wind farm according to an embodiment of the present disclosure;
fig. 4 is a schematic position diagram of a wind measuring tower according to an embodiment of the present application.
Reference numerals: 1-unit data acquisition module, 2-anemometer tower sensor interface module, 3-acquisition data processing module, 4-sound level meter interface module, 5-signal processing device, 6-signal lightning protector, 7-signal acquisition module, 8-anemometer tower sensor, 9-wind generating set, 10-sound level meter, 401-wind direction, 402-left rear, 403-right rear and 404-wake flow area.
Detailed Description
Reference will now be made in detail to the embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.
It will be understood by those within the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. As used herein, the term "and/or" includes all or any element and all combinations of one or more of the associated listed items.
The following describes the technical solutions of the present application and how to solve the above technical problems with specific embodiments. The following several specific embodiments may be combined with each other, and details of the same or similar concepts or processes may not be repeated in some embodiments. Embodiments of the present application will be described below with reference to the accompanying drawings.
An embodiment of the present application provides a noise data acquisition system of a wind generating set, and as shown in fig. 1, the noise data acquisition system of the wind generating set includes: the wind measuring system comprises a unit data acquisition module 1, a wind measuring tower sensor interface module 2, an acquired data processing module 3, a sound level meter interface module 4 and a signal processing device 5.
The input end of the unit data acquisition module 1 is in communication connection with a main controller of the wind generating set 9, and the output end of the unit data acquisition module 1 is in communication connection with the first input end of the collected data processing module 3, and is used for transmitting the collected operation signal of the wind generating set 9 to the collected data processing module 3.
The output end of the anemometer tower sensor interface module 2 is in communication connection with the second input end of the collected data processing module 3, and is used for transmitting the collected meteorological signals to the collected data processing module 3.
The output end of the acquisition data processing module 3 is in communication connection with the signal processing device 5, and transmits non-acoustic data to the signal processing device 5, wherein the non-acoustic data comprises an operation signal and a meteorological signal.
The sound level meter interface module 4 is in communication connection with the signal processing device 5, and transmits the collected acoustic data of the preset noise signal measuring point to the signal processing device 5.
And the signal processing device 5 is used for carrying out noise test on the wind generating set 9 according to the non-acoustic data and the acoustic data.
The anemometer tower sensor interface module 2 and the unit data acquisition module 1 of the embodiment of the application are respectively in communication connection with the first input end and the second input end of the acquisition data processing module 3, and the output end of the acquisition data processing module 3 sends non-acoustic data including running signals and meteorological signals to the signal processing device 5. The embodiment of the application combines the operation signal and the meteorological signal through the collected data processing module 3, realizes the synchronization and the real-time collection of non-acoustic data, is convenient to collect data, and improves the accuracy and the consistency of the 9 noise test of the wind generating set.
The signal processing device 5 of the embodiment of the application synchronously and real-timely acquires the operating signal, the meteorological signal and the acoustic data of the wind generating set 9 in the noise test process, realizes the synchronization and the integration of the signals and meets the requirements of IEC standard.
Optionally, the meteorological signal adopts an IMC 8 module (isolated8-channel differential amplifier ) channel, and a voltage, temperature and current measurement module capable of supporting a Controller Area Network (CANopen) communication protocol is provided.
Optionally, the operation signal comprises a nacelle wind speed, an impeller rotation speed, a pitch angle, a power signal, and the like; the meteorological signals include wind speed, wind direction, temperature, humidity, air pressure and the like. The running signal and meteorological signal later stage of this application embodiment can also the extension insert more unit signals or meteorological signal, the analysis and the optimization of the 9 noise problems of later stage wind generating set of being convenient for.
Optionally, the unit data acquisition module 1 may combine the operation signal and the meteorological signal, integrate one data packet, and automatically store the data packet.
Optionally, the noise data collection system of the wind generating set further includes: the operation signal interface and the meteorological signal interface.
The input end of the unit data acquisition module 1 is in communication connection with a main controller of the wind generating set 9 through an operation signal interface.
The anemometer tower sensor interface module 2 is in communication connection with the anemometer tower sensor 8 through a meteorological signal interface.
The operation signal interface and/or the meteorological signal interface are pluggable interfaces.
The noise data acquisition system that this application embodiment provided is portable device, and this system adopts a plurality of plug interfaces to be connected respectively with wind generating set and anemometry tower in the wind farm of being surveyed for test site simple to operate is swift and easily on-the-spot transport, has reduceed manpower and time cost, has improved efficiency of software testing.
Optionally, referring to fig. 2, as an example, the noise data collection system of the wind turbine generator system further includes: a signal lightning protector 6 and a signal acquisition module 7;
the output end of the anemometer tower sensor interface module 2 is in communication connection with the second input end of the collected data processing module 3 sequentially through the signal lightning protector 6 and the signal collecting module 7.
Alternatively, the signal lightning protector 6 may be a DENH pluggable signal lightning protector. The signal acquisition module 7 may be an IMC 18 signal acquisition module.
Optionally, the noise data collection system of the wind generating set further includes: a first lightning protection interface and a second lightning protection interface; one end of the signal lightning protector 6 is in communication connection with the output end of the anemometer tower sensor interface module 2 through a first lightning protection interface; the other end of the signal lightning protector 6 is in communication connection with the input end of the signal acquisition module 7 through a second lightning protection interface;
the first lightning protection interface and/or the second lightning protection interface are pluggable interfaces.
The modules of the embodiment of the application can be quickly plugged in a plugging interface mode, so that the test site is convenient and quick to install and easy to carry on site, manpower and time cost are reduced, and test efficiency is improved. Alternatively, the plug interface may be a Wipu air plug, model WS-TQ.
Optionally, the collected data processing module 3 and the sound level meter interface module 4 are both in communication connection with a satellite antenna and configured to acquire a time signal of the satellite antenna, so that time of the non-acoustic data output by the collected data processing module 3 is consistent with time of the acoustic data output by the sound level meter interface module 4. The satellite antenna receives satellite signals, so that the data acquisition processing module 3 and the satellite can synchronize time, and the data acquisition synchronism is realized.
Or, the collected data processing module 3 and the sound level meter interface module 4 are both in communication connection with the signal processing device 5, and are used for acquiring a time signal of the signal processing device 5, so that the time of the non-acoustic data output by the collected data processing module 3 is consistent with that of the acoustic data output by the sound level meter interface module 4.
The embodiment of the application can adopt any one of the two modes to realize the time consistency of the non-acoustic data and the acoustic data and realize the time consistency of the operation signal and the meteorological signal.
Optionally, the noise test data acquisition system is implemented in a form including at least one of:
the unit data acquisition module 1 is a Beifu CX1020 embedded PC acquisition module, and the Beifu CX1020 embedded PC acquisition module is connected to a main controller of the wind generating set 9 through a Beifu CX1500-M510PLC integrated module; and/or the collected data processing module 3 is an IMCBusDAQ main collecting module.
Optionally, the output end of the unit data acquisition module 1 is in communication connection with one input end of the acquired data processing module 3 through a CAN bus;
the output end of the anemometer tower sensor interface module 2 is in communication connection with the other input end of the collected data processing module 3 through a CAN bus.
Optionally, the Beifu CX1500-M510PLC integrated module is connected to the wind generating set 9 through a network cable, directly acquires the power, the rotating speed, the pitch angle and the cabin wind speed of the wind generating set 9, expands according to the test requirement, can acquire more operation data of the wind generating set 9, and has the characteristics of small volume, good communication and high expandability. Meanwhile, The Beifu CX1500-M510PLC integrated module realizes direct communication with The wind generating set 9 through a TwinCAT (The Windows Control and Automation Technology, Windows-based Control and Automation Technology) programming language, adopts an RJ45 connector to facilitate on-site connection, and simultaneously expands collected variables according to test requirements, collects more unit variables and provides data support for later-stage analysis of The noise problem of The wind generating set 9.
Specifically, RJ45 is one of the connectors of an information jack (i.e., a communications outlet) in a wiring system, and is composed of a plug (connector, crystal header) and a socket (module), the plug having 8 recesses and 8 contacts. RJ is an abbreviation for Registered Jack, meaning "Registered Jack". RJ is the interface in the FCC (federal communications commission standards and regulations) that describes public telecommunication networks and RJ45 for computer networks is the common name for a standard 8-bit modular interface.
Alternatively, the CAN bus communicates via the CAN2.0a protocol. The wind generating set 9 and the set data acquisition module 1 adopt a ModbusTCP protocol for communication.
Based on the same inventive concept, the embodiment of the present application further provides a wind farm, as shown in fig. 3, including: a wind generating set 9, a wind measuring tower sensor 8, a sound level meter 10 and a noise data acquisition system of the wind generating set 9;
the anemometer tower sensor 8 is arranged in a preset position range around the wind generating set 9;
the sound level meter 10 is provided at a predetermined noise signal measurement point.
Optionally, the anemometer tower sensor 8 comprises: the wind speed sensor, the wind direction sensor, the temperature and humidity sensor and the air pressure sensor are arranged on the wind speed sensor;
the signal lightning protector 6 comprises a first signal lightning protector 6, a second signal lightning protector 6, a third signal lightning protector 6 and a fourth signal lightning protector 6;
the wind speed sensor, the wind direction sensor, the temperature and humidity sensor and the air pressure sensor are respectively in communication connection with the input end of the signal acquisition module 7 through the first signal lightning protection device 6, the second signal lightning protection device 6, the third signal lightning protection device 6 and the fourth signal lightning protection device 6.
Optionally, a frequency conditioning module is arranged between the wind speed sensor and the first signal lightning protector 6, and is used for converting the frequency signal output by the wind speed sensor into a voltage signal;
a resistance conditioning module is arranged between the wind direction sensor and the second signal lightning protector 6 and is used for converting resistance signals output by the wind direction sensor into voltage signals;
and a current conditioning module is arranged between the temperature and humidity sensor and the third signal lightning protector 6 and is used for converting current signals output by the temperature and humidity sensor into voltage signals.
Optionally, the frequency conditioning module is a Model IFAM frequency conditioning module, and the resistance conditioning module is a Phoenix resistance/position conditioning module. The current conditioning module is a Weidmuller current conditioning module.
Alternatively, as shown in fig. 4, the anemometer tower sensor 8 is provided on the anemometer tower. The preset position range around the wind generating set 9 includes: the wind measuring tower is positioned at the left rear part 402 or the right rear part 403 of the wind generating set 9, and the distance between the wind measuring tower and the wind generating set 9 is 1-2 times of the diameter of an impeller of the wind generating set. According to the IEC61400-11:2012 noise test standard, the position of the wind measuring tower is changed from the position right in front of the wind generating set to the position left behind or right behind, the position range is enlarged, and the position of the wind measuring tower does not need to be adjusted according to the wind direction during the test.
As shown in fig. 4, the anemometer tower is located at the left rear 402 of the wind park 9, defined as in the direction of the wind direction 401, with the wind park 9 being located upwind of the wind direction 401, and the anemometer tower being located downwind of the wind direction 401 and to the left of the wake behind-the-wheel region 404.
The anemometer tower is located on the right rear 403 of the wind park 9, defined as in the direction of the wind direction 401, with the wind park 9 being located upwind of the wind direction 401, and the anemometer tower being located downwind of the wind direction 401 and to the right of the wake sector 404 behind the impeller.
In the prior art, IEC61400-11:2006 specifies that the position of a wind measuring tower is within a distance range of 2-4 times of the diameter of an impeller in front of a wind generating set. The distance between the wind measuring tower and the wind generating set 9 is 1-2 times of the diameter of an impeller of the wind generating set, the wind measuring tower is closer to the wind generating set, the correlation of wind speed is better, and the accuracy is better.
Optionally, a data acquisition cabinet is installed at the anemometer tower for acquiring meteorological signals such as wind speed, wind direction, temperature, humidity and air pressure signals. A CAN bus is adopted for communication; the CAN, namely the controller area network, belongs to the field of industrial field buses, and compared with a general communication bus, the data communication of the CAN bus has outstanding reliability, instantaneity and flexibility, so that the instantaneity and synchronism of long-distance data transmission are ensured.
Optionally, the sound level meter 10 is a B & K2250 model sound level meter.
The wind farm provided by the embodiment of the present application has the same inventive concept and the same beneficial effects as the noise data acquisition system of the wind generating set 9 of the foregoing embodiments, and the content not shown in detail in the noise data acquisition system of the wind generating set 9 may refer to the foregoing embodiments, and is not described again here.
Those of skill in the art will appreciate that the various operations, methods, steps in the processes, acts, or solutions discussed in this application can be interchanged, modified, combined, or eliminated. Further, other steps, measures, or schemes in various operations, methods, or flows that have been discussed in this application can be alternated, altered, rearranged, broken down, combined, or deleted. Further, steps, measures, schemes in the prior art having various operations, methods, procedures disclosed in the present application may also be alternated, modified, rearranged, decomposed, combined, or deleted.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect.
The terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for ease of description and simplicity of description only, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting. When an element such as a layer, film, region, or substrate is referred to as being "on" or "under" another element, it can be "directly on" or "under" the other element or intervening elements may be present.
It should be understood that, although the steps in the flowcharts of the figures are shown in order as indicated by the arrows, the steps are not necessarily performed in order as indicated by the arrows. The steps are not performed in the exact order shown and may be performed in other orders unless explicitly stated herein. Moreover, at least a portion of the steps in the flow chart of the figure may include multiple sub-steps or multiple stages, which are not necessarily performed at the same time, but may be performed at different times, which are not necessarily performed in sequence, but may be performed alternately or alternately with other steps or at least a portion of the sub-steps or stages of other steps.
The foregoing is only a partial embodiment of the present application, and it should be noted that, for those skilled in the art, several modifications and decorations can be made without departing from the principle of the present application, and these modifications and decorations should also be regarded as the protection scope of the present application.
Claims (11)
1. A noise data acquisition system of a wind generating set, comprising: the system comprises a unit data acquisition module, a anemometer tower sensor interface module, an acquired data processing module, a sound level meter interface module and a signal processing device;
the input end of the unit data acquisition module is in communication connection with a main controller of the wind generating set, and the output end of the unit data acquisition module is in communication connection with the first input end of the collected data processing module and is used for transmitting the collected operating signals of the wind generating set to the collected data processing module;
the output end of the anemometer tower sensor interface module is in communication connection with the second input end of the collected data processing module and is used for transmitting the collected meteorological signals to the collected data processing module;
the output end of the acquisition data processing module is in communication connection with a signal processing device and transmits non-acoustic data to the signal processing device, wherein the non-acoustic data comprises the operation signal and the meteorological signal;
the sound level meter interface module is in communication connection with the signal processing device and transmits collected acoustic data of a preset noise signal measuring point to the signal processing device;
and the signal processing device is used for carrying out noise test on the wind generating set according to the non-acoustic data and the acoustic data.
2. The wind turbine noise data collection system of claim 1, further comprising an operational signal interface and a meteorological signal interface;
the input end of the unit data acquisition module is in communication connection with a main controller of the wind generating set through an operation signal interface;
the anemometer tower sensor interface module is in communication connection with the anemometer tower sensor through the meteorological signal interface;
the operation signal interface and/or the meteorological signal interface are pluggable interfaces.
3. The system of claim 1, further comprising: the lightning protection device comprises a signal lightning protection device and a signal acquisition module;
and the output end of the anemometer tower sensor interface module is in communication connection with the second input end of the collected data processing module sequentially through the signal lightning protector and the signal collecting module.
4. A noise data acquisition system of a wind park according to claim 3, further comprising: a first lightning protection interface and a second lightning protection interface;
one end of the signal lightning protector is in communication connection with the output end of the anemometer tower sensor interface module through a first lightning protection interface;
the other end of the signal lightning protector is in communication connection with the input end of the signal acquisition module through a second lightning protection interface;
the first lightning protection interface and/or the second lightning protection interface are pluggable interfaces.
5. A noise data acquisition system of a wind park according to claim 1,
the collected data processing module and the sound level meter interface module are both in communication connection with a satellite antenna and used for acquiring a time signal of the satellite antenna, so that time of non-acoustic data output by the collected data processing module is consistent with that of acoustic data output by the sound level meter interface module; or the like, or, alternatively,
the collected data processing module and the sound level meter interface module are in communication connection with the signal processing device and used for acquiring a time signal of the signal processing device, so that time of non-acoustic data output by the collected data processing module is consistent with that of acoustic data output by the sound level meter interface module.
6. A noise data acquisition system of a wind park according to claim 1,
the set data acquisition module is a Beifu CX1020 embedded PC acquisition module, and the Beifu CX1020 embedded PC acquisition module is connected to the main controller of the wind generating set through a Beifu CX1500-M510PLC integrated module; and/or the like, and/or,
the acquisition data processing module is an IMC BusDAQ main acquisition module.
7. A wind farm, comprising: wind park, wind tower sensor, sound level meter and noise data acquisition system of a wind park according to any of claims 1-6;
the anemometer tower sensor is arranged in a preset position range around the wind generating set;
the sound level meter is arranged at a preset noise signal measuring point.
8. The wind farm of claim 7, wherein the anemometer tower sensor comprises: the wind speed sensor, the wind direction sensor, the temperature and humidity sensor and the air pressure sensor are arranged on the wind speed sensor;
the signal lightning protector comprises a first signal lightning protector, a second signal lightning protector, a third signal lightning protector and a fourth signal lightning protector;
the wind speed sensor, the wind direction sensor, the temperature and humidity sensor and the air pressure sensor are respectively in communication connection with the input end of the signal acquisition module through a first signal lightning protection device, a second signal lightning protection device, a third signal lightning protection device and a fourth signal lightning protection device.
9. The wind farm of claim 8, wherein a frequency conditioning module is provided between the wind speed sensor and the first signal lightning protector for converting the frequency signal output by the wind speed sensor into a voltage signal;
a resistance conditioning module is arranged between the wind direction sensor and the second signal lightning protector and is used for converting a resistance signal output by the wind direction sensor into a voltage signal;
and a current conditioning module is arranged between the temperature and humidity sensor and the third signal lightning protector and is used for converting current signals output by the temperature and humidity sensor into voltage signals.
10. The wind farm of claim 7, wherein the anemometer tower sensor is located on a anemometer tower;
the preset position range around the wind generating set comprises: the wind measuring tower is positioned at the left rear part or the right rear part of the wind generating set, and the distance between the wind measuring tower and the wind generating set is 1-2 times of the diameter of an impeller of the wind generating set.
11. Wind farm according to claim 7, characterized in that the sound level meter is a B & K2250 model sound level meter.
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Address after: No.107 Shanghai Road, Urumqi Economic and Technological Development Zone, Urumqi City, Xinjiang Uygur Autonomous Region Patentee after: Jinfeng Technology Co.,Ltd. Address before: No.107 Shanghai Road, Urumqi Economic and Technological Development Zone, Urumqi City, Xinjiang Uygur Autonomous Region Patentee before: XINJIANG GOLDWIND SCIENCE & TECHNOLOGY Co.,Ltd. |