CN216595177U - Wind measuring device of wind machine - Google Patents
Wind measuring device of wind machine Download PDFInfo
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- CN216595177U CN216595177U CN202123448270.3U CN202123448270U CN216595177U CN 216595177 U CN216595177 U CN 216595177U CN 202123448270 U CN202123448270 U CN 202123448270U CN 216595177 U CN216595177 U CN 216595177U
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- 238000010079 rubber tapping Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 abstract description 3
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- 238000005485 electric heating Methods 0.000 description 5
- 238000007710 freezing Methods 0.000 description 5
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Abstract
The utility model discloses a wind measuring device of a wind machine, which has simple and reasonable structural design, can reduce the measuring error of the incoming wind, meanwhile, the wind turbine can avoid the influence of icing on the unit, the wind turbine comprises a flow guide cover plate, a wind measuring device is arranged at the front end of the flow guide cover plate and is rotationally connected with the flow guide cover plate through a horizontal rotating shaft, the wind measuring device comprises a wind measuring probe, the wind measuring probe is arranged at one end of the horizontal rotating shaft through an installation component, the other end of the horizontal rotating shaft is rotationally connected with the flow guide cover plate, a pressure taking pipe is arranged in the wind measuring probe and comprises a total pressure pipe and a static pressure pipe, a differential pressure gauge is arranged at the tail end of the pressure taking pipe, a heating device and a temperature sensor are arranged at the front end of a pressure taking port of the differential pressure gauge, the wind measuring device further comprises a raindrop sensor, and the raindrop sensor, the heating device and the temperature sensor are all electrically connected with the main controller through the electric conduction mechanism.
Description
Technical Field
The utility model relates to a wind energy conversion system technical field specifically is a wind energy conversion system wind measuring device.
Background
Wind measuring devices (such as anemometers and airborne wind radars) of wind turbines are main equipment for detecting wind flowing from the wind turbines, at present, the wind measuring devices of the mainstream wind turbines are all arranged at the tail parts of engine cabins, and wind is influenced by blades of the wind turbines before reaching the measuring devices, so that large errors exist. Although the airborne wind measuring radar can measure the wind direction and the wind speed of the wind turbine, the cost is high, and the meteorological equipment arranged on the wind turbine only considers the influence of the wind speed, the wind direction, the temperature and the like on the unit, neglects the icing problem of the unit, and seriously influences the normal operation of the wind turbine unit.
SUMMERY OF THE UTILITY MODEL
To the defect that exists among the prior art, the utility model provides a wind energy conversion system wind measuring device, its structural design is simple reasonable, can reduce incoming flow wind measuring error, can avoid freezing to cause the influence to the unit simultaneously.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a wind turbine wind measuring device, wind turbine includes the kuppe apron, its characterized in that, wind measuring device install in the front end of kuppe apron, wind measuring device pass through horizontal rotation axle with the kuppe apron rotates to be connected, wind measuring device includes the anemometer probe, the anemometer probe through the installation component install in horizontal rotation axle's one end, horizontal rotation axle's the other end with the kuppe apron rotates to be connected, anemometer probe internally mounted has the pressure pipe of getting, get and press the pipe including total pressure pipe, static pressure pipe, get the end of pressing the pipe and install the differential pressure gauge, heating device, temperature sensor are installed to the pressure mouth front end of getting of differential pressure gauge, wind measuring device still includes the raindrop sensor, heating device, temperature sensor, raindrop sensor all are connected with main control unit electricity through electrically conductive mechanism.
It is further characterized in that the method further comprises the steps of,
the mounting assembly comprises a mounting cylinder with a hollow interior and a bearing seat fixed in the mounting cylinder, the mounting cylinder is fixed with one end of the horizontal rotating shaft, and the wind measuring probe is rotatably mounted on the bearing seat in the mounting cylinder;
the conductive mechanism comprises a first conductive slip ring, a first transmission signal wire, a second transmission signal wire and a second conductive slip ring, the first conductive slip ring is mounted on the bearing seat and is electrically connected with the temperature sensor and the heating device, and the first conductive slip ring is electrically connected with the main controller through the first transmission signal wire and the second conductive slip ring;
the first conductive slip ring is a non-contact slip ring;
the first conductive slip ring is a pneumatic slip ring;
the wind measuring device further comprises an angle sensor, and the angle sensor is mounted above the wind measuring probe and is electrically connected with the first conductive slip ring;
the weather station assembly is integrated in the same shell, the shell is mounted at the top end of the mounting cylinder, the weather station assembly comprises a hygrothermograph, a barometer and a raindrop sensor, and the hygrothermograph, the barometer and the raindrop sensor are electrically connected with the main controller through the second transmission signal line and the second conductive slip ring respectively;
the middle of the air guide cover plate is provided with a through hole, the inner side end of the air guide cover plate is provided with a shaft sleeve surrounding the through hole, the other end of the horizontal rotating shaft penetrates through the through hole, a bearing in the middle of the horizontal rotating shaft is rotatably connected with the shaft sleeve, and the second conductive slip ring is arranged at the other end of the horizontal rotating shaft.
Adopt the utility model discloses above-mentioned structure can reach following beneficial effect: the measuring device is arranged at the front end of the cover plate of the air guide sleeve, namely the air measuring device used for measuring the incoming wind is arranged in front, so that the influence of the blades of the wind turbine on the incoming wind is avoided, and the accuracy of the measuring result is improved.
Differential pressure gauge is arranged in the anemometry device and is used for monitoring the pressure differential signal of getting the pressure port to give main control unit with pressure differential signal transmission through conductive component, the detection of incoming flow wind speed has been realized to differential pressure gauge's setting, and raindrop sensor's setting is used for freezing the detection, and when detecting freezing, heating device starts, heats the pressure port of getting of differential pressure gauge, and the reduction freezes, thereby has prevented to have fixed ice and has caused pressure port jam.
Drawings
FIG. 1 is a schematic side view of the cross-sectional structure of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
fig. 3 is a block diagram of the system structure of the present invention.
Detailed Description
The following disclosure provides many different embodiments or examples for implementing different features of the invention. In order to simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or reference letters in the various examples, which have been repeated for purposes of simplicity and clarity and do not in themselves dictate a relationship between the various embodiments and/or arrangements discussed. In addition, the present disclosure provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.
Referring to fig. 1, a wind turbine wind measuring device, the wind turbine includes a wind guide cover plate 1 fixedly connected with a wind guide cover, when the wind turbine rotates, the wind-guiding cover plate 1 is driven to synchronously rotate, the wind-measuring device is arranged at the front end of the wind-guiding cover plate 1 and is rotationally connected with the wind-guiding cover plate 1 through the horizontal rotating shaft 2, the wind-measuring device comprises a wind-measuring probe, the wind-measuring probe 3 is arranged at one end of the horizontal rotating shaft 2 through the mounting component 4, as shown in figure 2, the mounting component 4 comprises a mounting cylinder 41 with a hollow inner part and a bearing seat 42 fixed inside the mounting cylinder 41, the mounting cylinder 41 is fixed with one end of the horizontal rotating shaft 2, the wind-measuring probe 3 is fixed on the bearing seat 42 in the mounting cylinder 41, one end of the wind-measuring probe 3 is rotationally connected with the bearing seat 42, in the embodiment, the wind-measuring probe 3 and the tail vane 31 thereof are rotationally arranged at the bottom of the bearing seat, the aerodynamic force and moment of the front end of the air guide sleeve cover plate 1 facing the incoming wind are detected through the rotation of the tail rudder 31.
The other end of the horizontal rotating shaft 2 is rotatably connected with the air guide sleeve cover plate 1, when the air guide sleeve cover plate 1 rotates, the horizontal rotating shaft 2 is relatively static, a through hole is formed in the middle of the air guide sleeve cover plate 1, a shaft sleeve 10 surrounding the through hole is installed at the inner side end of the air guide sleeve cover plate 1, the other end of the horizontal rotating shaft 2 penetrates through the through hole, a bearing in the middle of the horizontal rotating shaft is rotatably connected with the shaft sleeve 10, and a second conductive sliding ring 9 is installed at the other end of the horizontal rotating shaft 2.
The inside cavity that is provided with of anemometry probe 3, the through-hole and the external environment intercommunication of cavity through anemometry probe 3 front end, the through-hole is for getting the pressure hole, incoming flow wind can run through this through-hole promptly, so that get the pressure pipe and measure the pressure differential of incoming flow wind, it is fixed in the cavity to get the pressure pipe, it includes parallel distribution's total pressure pipe 51 to get the pressure pipe, static pressure pipe 52, it installs in the front end of differential pressure gauge 5 to get the pressure pipe, heating device 7 is installed to the pressure port front end of differential pressure gauge 5, temperature sensor 6, heating device 7, temperature sensor 6 all is connected with main control unit 7 electricity through electrically conductive mechanism. In this embodiment, the heating device is an electric heating wire or an electric heating sheet, and if the heating device is an electric heating wire, the heating device is wound around the front end of the anemometry probe 3 and is packaged, and if the heating device is an electric heating sheet, the electric heating sheet is attached to the front end of the anemometry probe 3 and is packaged, the heating device is used for heating the pressure tapping port of the differential pressure gauge 4, and the temperature sensor is used for acquiring temperature information of the pressure tapping port.
The conductive mechanism comprises a first conductive slip ring 8, a first transmission signal line 101, a second transmission signal line 102 and a second conductive slip ring 9, the first conductive slip ring 8 is arranged on the bearing seat 42 and is electrically connected with the temperature sensor 6 and the heating device, and the first conductive slip ring 8 is electrically connected with the main controller 11 through a first transmission signal line 10 and the second conductive slip ring 9; in this embodiment, the first conductive slip ring 8 is a non-contact slip ring.
The wind measuring device further comprises an angle sensor 12, the model of the angle sensor 12 is P2020-360-V2, and the angle sensor 12 is installed at the top end of the wind measuring probe 31 in the installation cylinder 41 and is electrically connected with the first conductive slip ring 8; the angle sensor is used for detecting the rotation angle information of the wind measuring probe 3, the differential pressure gauge and the angle sensor send the measured differential pressure information and the measured rotation angular velocity information to the main controller 14 through the first conductive slip ring 8, the first transmission signal line 101 and the second conductive slip ring 9 which are sequentially connected, the main controller 14 accurately obtains the wind speed of the incoming wind in front of the wind turbine according to the differential pressure information, and accurately obtains the wind direction of the incoming wind according to the rotation angular velocity information. In this application, because anemometry probe 3 is connected with angle sensor, when anemometry probe and tail vane rotate, can record the contained angle of tail vane and horizontal rotation axis through angle sensor, this contained angle is exactly the relative contained angle at incoming flow wind and wind turbine pivot center, and when this contained angle was 0, the wind turbine was just to the incoming flow wind.
In addition, the wind measuring device further comprises a weather station component, the weather station component 13 is integrated in the same shell, the shell is mounted at the top end of the mounting cylinder 31, the weather station component 13 comprises a hygrothermograph 131, a barometer 132 and a raindrop sensor 133, measuring ends or sensing heads of the hygrothermograph 131, the barometer 132 and the raindrop sensor 133 are all exposed out of the shell, the hygrothermograph 131 is used for detecting incoming wind and temperature and humidity information of the current wind turbine operation environment, the barometer 132 is used for detecting the air pressure information of the incoming wind, and the raindrop sensor 133 is used for detecting whether the wind turbine operates in the current operation environment under rain and rainfall, in this embodiment, the hygrothermograph has a model of 5962-, And sending information such as air pressure information and rainfall to a main controller (the main controller is an industrial personal computer). The main controller is in communication connection with the remote terminal or the mobile terminal through a wireless network or Bluetooth and is used for sending information such as temperature and humidity information, air pressure information, rainfall, wind speed, wind direction and icing conditions to a computer of the remote terminal or a mobile phone of the mobile terminal, so that various information can be obtained remotely, and monitoring of the operating environment of the wind turbine by workers is facilitated.
The rainfall level is stored in a remote terminal (such as a computer) in advance, the remote terminal compares the current rainfall measured by a raindrop sensor 133 with the preset rainfall level, whether an alarm is sent or not is judged according to a comparison result, and the rainfall level is comprehensively determined according to a test, a rainfall condition and a rain erosion condition, so that a crew member operates the wind turbine at a limited rotating speed according to information such as the rainfall level and the wind speed, and the damage of rain erosion to the blades of the wind turbine is reduced.
The measuring device is arranged at the front end of the flow guide cover plate, so that the influence of the wind turbine blades on the incoming wind is avoided, and the accuracy of the measuring result is improved. The wind measuring probe in the wind measuring device is used for measuring the wind direction of incoming wind, the differential pressure gauge is used for measuring the wind speed of the incoming wind, and when the incoming wind acts on the pressure taking pipe at the front end of the differential pressure gauge, the pressure difference between the total pressure pipe and the static pressure pipe changes, so that the detection of the wind speed of the incoming wind is realized through the differential pressure gauge. The raindrop sensor sends a raindrop signal to the main controller through the conductive component, and when the raindrop signal detected by the raindrop sensor exceeds a preset threshold value, the raindrop sensor indicates that the current environment has raindrop corrosion or icing risk, so that icing detection is realized. When icing is detected, the main controller controls the temperature sensor and the heating device to start, and the heating device heats the pressure taking port of the differential pressure gauge to reduce the icing; simultaneously, the current temperature information of the pressure taking port is collected in real time through the temperature sensor and is sent to the main controller, and the main controller performs heating control according to the temperature information to avoid freezing, so that the pressure taking port is prevented from being blocked due to freezing.
The above is only a preferred embodiment of the present application, and the present invention is not limited to the above embodiments. It is to be understood that other modifications and variations directly derivable or suggested by those skilled in the art without departing from the spirit and scope of the present invention are to be considered as included within the scope of the present invention.
Claims (6)
1. A wind turbine wind measuring device comprises a flow guide cover plate and is characterized in that the wind measuring device is arranged at the front end of the flow guide cover plate, the wind measuring device is rotationally connected with the guide cover plate through a horizontal rotating shaft and comprises a wind measuring probe, the wind measuring probe is arranged at one end of the horizontal rotating shaft through a mounting assembly, the other end of the horizontal rotating shaft is rotationally connected with the diversion cover plate, a pressure tapping pipe is arranged in the wind measuring probe, the pressure tapping pipe comprises a total pressure pipe and a static pressure pipe, a differential pressure gauge is arranged at the tail end of the pressure tapping pipe, the front end of the pressure taking port of the differential pressure gauge is provided with a heating device and a temperature sensor, the wind measuring device also comprises a raindrop sensor, the heating device, the temperature sensor and the raindrop sensor are all electrically connected with the main controller through the conductive mechanism.
2. The wind turbine wind measuring device according to claim 1, wherein the mounting assembly comprises a hollow mounting cylinder and a bearing seat fixed inside the mounting cylinder, the mounting cylinder is fixed with one end of the horizontal rotating shaft, and the wind measuring probe is rotatably mounted on the bearing seat.
3. The wind turbine wind measuring device of claim 2, wherein the conductive mechanism comprises a first conductive slip ring, a first transmission signal line, a second transmission signal line and a second conductive slip ring, the first conductive slip ring is mounted on the bearing seat and electrically connected with the temperature sensor and the heating device, and the first conductive slip ring is electrically connected with the main controller through the first transmission signal line and the second conductive slip ring which are sequentially connected.
4. The wind turbine wind measuring device of claim 3, further comprising an angle sensor fixedly mounted above the wind measuring probe and electrically connected to the first conductive slip ring.
5. The wind turbine wind measuring device of claim 4, further comprising a weather station assembly, wherein the weather station assembly is integrated in the same housing, the housing is mounted on the top end of the mounting cylinder, the weather station assembly comprises a hygrothermograph, a barometer and a raindrop sensor, and the hygrothermograph, the barometer and the raindrop sensor are electrically connected with the main controller through the second transmission signal line and the second conductive slip ring respectively.
6. The wind turbine wind measuring device of claim 5, wherein a through hole is formed in the middle of the air guide sleeve cover plate, a shaft sleeve surrounding the through hole is installed at the inner end of the air guide sleeve cover plate, the other end of the horizontal rotating shaft penetrates through the through hole and is rotatably connected with the shaft sleeve through a bearing in the middle of the horizontal rotating shaft, and the second conductive slip ring is installed at the other end of the horizontal rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123448270.3U CN216595177U (en) | 2021-12-30 | 2021-12-30 | Wind measuring device of wind machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123448270.3U CN216595177U (en) | 2021-12-30 | 2021-12-30 | Wind measuring device of wind machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216595177U true CN216595177U (en) | 2022-05-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123448270.3U Active CN216595177U (en) | 2021-12-30 | 2021-12-30 | Wind measuring device of wind machine |
Country Status (1)
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| CN (1) | CN216595177U (en) |
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2021
- 2021-12-30 CN CN202123448270.3U patent/CN216595177U/en active Active
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