CN115750241B - Hub heat abstractor of wind turbine generator system - Google Patents
Hub heat abstractor of wind turbine generator system Download PDFInfo
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- CN115750241B CN115750241B CN202211367392.6A CN202211367392A CN115750241B CN 115750241 B CN115750241 B CN 115750241B CN 202211367392 A CN202211367392 A CN 202211367392A CN 115750241 B CN115750241 B CN 115750241B
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- heat dissipation
- hub
- wind turbine
- adjusting
- hose
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- 230000017525 heat dissipation Effects 0.000 claims abstract description 100
- 150000003839 salts Chemical class 0.000 claims abstract description 35
- 239000007921 spray Substances 0.000 claims abstract description 31
- 238000001514 detection method Methods 0.000 claims abstract description 15
- 238000007791 dehumidification Methods 0.000 claims abstract description 13
- 238000001816 cooling Methods 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims description 11
- 238000005260 corrosion Methods 0.000 abstract description 6
- 230000007797 corrosion Effects 0.000 abstract description 6
- 238000001035 drying Methods 0.000 abstract description 3
- 230000006835 compression Effects 0.000 description 5
- 238000007906 compression Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Wind Motors (AREA)
Abstract
The invention discloses a hub heat abstractor of a wind turbine, which comprises a cabin, a hubcap, a cabin dehumidification salt spray system, a heat dissipation system, a hub, a temperature detection element and a pressure difference detection element, wherein: the hubcap sets up in cabin one side, and cabin dehumidification salt fog system sets up inside the cabin, and the wheel hub is installed inside the hubcap, and cooling system sets up at the wheel hub middle part, and temperature detecting element and pressure differential detecting element correspond to be set up on the wheel hub. According to the invention, the air flow velocity and pressure difference between the outside and the inside of the hubcap are utilized to rapidly dissipate heat, so that the air in the hub always keeps a micro-positive pressure drying environment, and salt spray corrosion of electromechanical equipment in the hub is effectively avoided, thereby prolonging the service life of the wind turbine generator.
Description
Technical Field
The invention belongs to the technical field of heat dissipation of wind turbines, and particularly relates to a hub heat dissipation device of a wind turbine.
Background
With the main stream of the industry of large megawatt wind turbine generators, in order to improve the generated energy, wind turbine generator equipment with a high tower and a large wind wheel is generally adopted.
In general, the hub heat dissipation device of the wind turbine generator is to singly design an axial flow fan in a hubcap to strengthen the air flow of the hubcap, and the air exchange is carried out between the gap of the hubcap and the external environment. However, for the offshore wind turbine, strong salt spray corrosion environment is formed outside, and humid salt spray air can be introduced only by bidirectional air flow inside the hub, so that electromechanical equipment inside the hub is corroded, and possible turbine faults are caused.
Disclosure of Invention
In order to at least partially solve the technical problems in the prior art, the invention provides a hub heat dissipation device of a wind turbine generator.
The hub heat dissipation device of the wind turbine generator comprises a cabin, a hubcap, a cabin dehumidification salt spray system, a heat dissipation system, a hub, a temperature detection element and a pressure difference detection element, wherein the hubcap is arranged on one side of the cabin, the cabin dehumidification salt spray system is arranged in the cabin, the hub is arranged in the hubcap, the heat dissipation system is arranged in the middle of the hub, and the temperature detection element and the pressure difference detection element are correspondingly arranged on the hub, wherein:
the engine room comprises an engine room cover, a multifunctional baffle plate and a main transmission system, wherein the multifunctional baffle plate is arranged on the outer side of the engine room cover in a surrounding mode, and the main transmission system is arranged in the middle of the engine room cover;
the cabin dehumidification salt spray system comprises an electric shutter, a salt spray filter, an axial flow fan system, a hose assembly and a control element, wherein the salt spray filter is arranged on the electric shutter, the axial flow fan system is arranged on the salt spray filter, the control element is arranged on the axial flow fan system, and the hose assembly is connected with the axial flow fan system;
the heat dissipation system comprises a first heat dissipation support, a second heat dissipation support, heat dissipation blades, an adjusting device, a heat dissipation driving device and a limiting device, wherein the first heat dissipation support and the second heat dissipation support are correspondingly arranged, the heat dissipation driving device is arranged between the first heat dissipation support and the second heat dissipation support, the heat dissipation assembly is installed on the heat dissipation driving device through the adjusting device, and the limiting device is arranged on the heat dissipation driving device.
Further, in the hub heat dissipating device of the wind turbine generator system, the hose assembly comprises a first hose and a second hose, one end of the first hose is communicated with the output end of the axial flow fan system, the other end of the first hose is connected with the second hose, and the other end of the second hose penetrates through the main transmission system and is communicated with the hubcap.
Further, in the hub heat dissipation device of the wind turbine generator system, the heat dissipation driving device comprises a driving motor, a driving rod and a mounting table, the driving rod is connected with the output end of the driving motor, the mounting table is uniformly welded on the driving rod, the driving rod is connected with a rotating shaft between the first heat dissipation bracket and the second heat dissipation bracket, and the driving motor is fixedly connected with the second heat dissipation bracket.
Further, in the hub heat dissipation device of the wind turbine generator system, a connecting table is arranged at the tail end of the heat dissipation blade, and the connecting table is connected with the rotating shaft of the mounting table.
Further, in the hub heat dissipation device of the wind turbine generator, the adjusting device comprises an adjusting table, an adjusting pressure spring and an adjusting block, one end of the adjusting pressure spring is welded with the adjusting table, and the other end of the adjusting pressure spring is welded with the adjusting block;
the adjusting table is connected with the rotating shaft of the mounting table, and the adjusting block is in sliding connection with the outer side of the connecting table.
Furthermore, in the hub heat dissipation device of the wind turbine generator system, a tension spring is welded on one side of the driving rod, which is close to the mounting table, and the other end of the tension spring is welded with the inner side of the connecting table.
Further, in the hub heat dissipation device of the wind turbine generator, a heat dissipation channel is enclosed between the hub cover and the hub, and a heat dissipation hole is enclosed between the hub cover and the multifunctional baffle.
The hub heat dissipation device of the wind turbine generator has the following advantages and beneficial effects:
in summary, compared with the prior art, the hub heat dissipation device of the wind turbine generator has the following advantages and beneficial effects: the hub heat dissipation device can adjust the heat dissipation speed according to the internal temperature of the hub through the heat dissipation system, and is matched with the dehumidifying salt spray system in the engine room, so that the air flow cooling requirement in the hub is guaranteed, the drying environment of micro-positive pressure of the air in the hub is guaranteed all the time, salt spray corrosion of electromechanical equipment in the hub is effectively avoided, and the service life of the wind turbine generator is prolonged.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the solutions of the prior art, the drawings which are necessary for the description of the embodiments or the prior art are briefly described below, it being evident that the drawings which are presented below are only for a further understanding of the embodiments of the present invention and form a part thereof, from which other drawings can be obtained without inventive effort for a person skilled in the art. In the drawings:
FIG. 1 is a front view of a hub heat sink for a wind turbine of the present invention;
FIG. 2 is an enlarged schematic view of the structure A in FIG. 1;
fig. 3 is a left side view of a hub heat dissipating device of a wind turbine generator according to the present invention.
Reference numerals illustrate:
1: nacelle, 11: nacelle cover, 12: multifunctional baffle, 13: a main transmission system;
2: a hubcap;
3: cabin dehumidification salt fog system, 31: electric blind, 32: salt spray filter, 33: an axial flow fan system,
34: hose assembly, 341: first hose, 342: a second hose,
35: a control element;
4: heat dissipation system, 41: first heat dissipation support, 42: a second heat dissipation bracket,
43: radiating fin, 431: a connecting table,
44: adjusting device, 441: adjustment stage, 442: adjusting the compression spring, 443: an adjusting block,
45: heat dissipation driving device 451: driving motor, 452: drive lever, 453: a mounting table,
46: limit device, 47: a tension spring;
5: a heat dissipation channel; 6: a heat radiation hole; 7: a hub; 8: a temperature detecting element; 9: a pressure difference detecting element.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to specific embodiments of the present invention and corresponding drawings. It will be apparent that the described embodiments are only some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 to 3, the hub heat dissipation device of the wind turbine generator system according to the present invention includes a nacelle 1, a hubcap 2, a nacelle dehumidification salt spray system 3, a heat dissipation system 4, a hub 7, a temperature detection element 8 and a pressure difference detection element 9, wherein the hubcap 2 is disposed at one side of the nacelle 1, the nacelle dehumidification salt spray system 3 is disposed inside the nacelle 1, the hub 7 is mounted inside the hubcap 2, the heat dissipation system 4 is disposed in the middle of the hub 7, and the temperature detection element 8 and the pressure difference detection element 9 are correspondingly disposed on the hub 7, wherein:
the engine room 1 comprises an engine room cover 11, a multifunctional baffle 12 and a main transmission system 13, wherein the multifunctional baffle 12 is arranged on the outer side of the engine room cover 11 in a surrounding mode, and the main transmission system 13 is arranged in the middle of the engine room cover 11;
the cabin dehumidification salt spray system 3 comprises an electric louver 31, a salt spray filter 32, an axial flow fan system 33, a hose assembly 34 and a control element 35, wherein the salt spray filter 32 is arranged on the electric louver 31, the axial flow fan system 33 is arranged on the salt spray filter 32, the control element 35 is arranged on the axial flow fan system 33, and the hose assembly 34 is connected with the axial flow fan system 33;
the heat dissipation system 4 includes a first heat dissipation bracket 41, a second heat dissipation bracket 42, heat dissipation blades 43, an adjusting device 44, a heat dissipation driving device 45 and a limiting device 46, wherein the first heat dissipation bracket 41 and the second heat dissipation bracket 42 are correspondingly arranged, the heat dissipation driving device 45 is arranged between the first heat dissipation bracket 41 and the second heat dissipation bracket 42, the heat dissipation assembly is installed on the heat dissipation driving device 45 through the adjusting device 44, and the limiting device 46 is arranged on the heat dissipation driving device 45.
Further, in the hub heat dissipating device of the wind turbine generator system of the present invention, the hose assembly 34 includes the first hose 341 and the second hose 342, one end of the first hose 341 is connected to the output end of the axial flow fan system 33, the other end of the first hose 341 is connected to the second hose 342, and the other end of the second hose 342 penetrates the main transmission system 13 to be connected to the hubcap 2, so that air processed by the cabin dehumidification salt spray system 3 is effectively ensured to enter the hubcap 2, thereby ensuring that air in the hub 7 always maintains a dry environment with micro positive pressure, and avoiding salt spray corrosion of electromechanical equipment in the hub.
Further, in the hub heat dissipation device of the wind turbine generator system of the present invention, the heat dissipation driving device 45 includes the driving motor 451, the driving rod 452 and the mounting table 453, the driving rod 452 is connected with the output end of the driving motor 451, the mounting table 453 is uniformly welded on the driving rod 452, the driving rod 452 is connected with the first heat dissipation bracket 41 and the second heat dissipation bracket 42 through the rotating shaft, and the driving motor 451 is fixedly connected with the second heat dissipation bracket 42, thereby effectively ensuring that the driving motor 451 provides power for the driving rod 452.
Further, in the hub heat dissipation device of the wind turbine generator system of the present invention, the end of the heat dissipation blade 43 is provided with the connection platform 431, and the connection platform 431 is connected with the rotating shaft of the installation platform 453, so that the heat dissipation blade 43 is effectively ensured to be capable of opening and closing.
Further, in the hub heat dissipation device of the wind turbine generator system of the present invention, the adjusting device 44 includes an adjusting table 441, an adjusting compression spring 442 and an adjusting block 443, one end of the adjusting compression spring 442 is welded with the adjusting table 441, and the other end of the adjusting compression spring 442 is welded with the adjusting block 443; the adjusting table 441 is connected with the rotating shaft of the mounting table 453, and the adjusting block 443 is slidably connected with the outer side of the connecting table 431, so that the opening and closing angle of the cooling fin 43 can be effectively guaranteed to be adjusted according to the centrifugal force of the driving rod 452.
Further, in the hub heat dissipation device of the wind turbine generator system, the tension spring 47 is welded on one side of the driving rod 452, which is close to the mounting table 453, and the other end of the tension spring 47 is welded with the inner side of the connecting table 431, so that the heat dissipation blade 43 can be effectively ensured to be in a closed state when the work is stopped.
Further, in the hub heat dissipation device of the wind turbine generator system, the heat dissipation channel 5 is enclosed between the hub cover 2 and the hub 7, and the heat dissipation hole 6 is enclosed between the hub cover 2 and the multifunctional baffle 12, so that the inside of the whole wind turbine generator system hub 7 is effectively ensured to form one-way air circulation, the air in the hub 7 is ensured to always keep a micro-positive pressure dry environment, and salt spray corrosion of electromechanical equipment in the hub 7 is avoided.
Specifically: the temperature detecting element 8 detects the temperature inside the hub 7 at a time. When the wind turbine generator runs, the hub 7 rotates at a certain rotation speed, and at the moment, the electric elements in the hub 7 start to work and heat is generated. If the temperature in the hub 7 exceeds the set value of the temperature detecting element, the limiting device 46 is opened, the heat dissipating blades 43 are opened and closed under the action of centrifugal force, and then the driving motor 451 automatically controls the rotation speed according to the condition of the temperature in the hub 7 exceeding the difference. The cooling blades 43 can compress the adjusting compression spring 442 according to the rotation speed of the wind wheel, and simultaneously stretch the tension spring 47, so as to open a certain angle, adjust the wind capturing area of the cooling blades 43, the cabin dehumidifying salt spray system 3 continuously supplies the processed dry salt spray-free air into the hub 7 through the inner cavity of the main transmission system 13, and the program can adjust the flow of the air in the hub 7 according to the numerical value of the pressure difference detecting element 9. Utilize hubcap 2 outside and inside air velocity of flow and pressure differential, carry thermal air can get into heat dissipation passageway 5, carry out quick exhaust by louvre 6, the inside one-way air cycle that forms of whole wind turbine generator system wheel hub 7, guarantee that the interior air of wheel hub remains the dry environment of pressure a little all the time, avoid the salt spray corruption of electromechanical device in the wheel hub 7, when driving motor 451 stops driving or wheel hub 7 temperature is less than the setting value of temperature detection original paper, adjust the resilience force that pressure spring and extension spring 47 produced, retrieve the fin 43 in the stop device, ensure that fin 43 does not influence operating personnel's normal traffic when shutting down the maintenance, sufficient maintenance space has effectively been ensured.
In summary, compared with the prior art, the hub heat dissipation device of the wind turbine generator has the following advantages and beneficial effects: the hub heat dissipation device is convenient to overhaul and maintain, the heat dissipation speed is adjusted according to the temperature inside the hub through the heat dissipation system, heat is dissipated rapidly, and the heat dissipation system is matched with the dehumidifying salt spray system in the engine room, so that the air flow cooling requirement in the hub is guaranteed, the drying environment of micro positive pressure of air in the hub is guaranteed all the time, salt spray corrosion of electromechanical equipment in the hub is effectively avoided, and the service life of the wind turbine generator is prolonged.
It should be noted that, unless explicitly stated or limited otherwise, the term "connected" or its synonyms should be construed broadly herein, and for example, "connected" may be either a fixed connection or a removable connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate medium, and may be the communication between two elements or the interaction relationship between the two elements, so that those skilled in the art will understand the specific meaning of the terms in the present invention according to the specific circumstances. Moreover, expressions such as "first" and "second" are merely used to distinguish one entity or action from another entity or action, and do not necessarily require or imply any such actual relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. In this context, "front", "rear", "left", "right", "upper" and "lower" are referred to with respect to the placement state shown in the drawings.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting thereof; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (7)
1. The utility model provides a wind turbine generator system's wheel hub heat abstractor, its characterized in that, wind turbine generator system's wheel hub heat abstractor includes cabin, hubcap, cabin dehumidification salt fog system, cooling system, wheel hub, temperature detection component and pressure differential detection component, wherein: the hub cover is arranged on one side of the engine room, the engine room dehumidification salt spray system is arranged in the engine room, the hub is arranged in the hub cover, the heat dissipation system is arranged in the middle of the hub, and the temperature detection element and the pressure difference detection element are correspondingly arranged on the hub;
the engine room comprises an engine room cover, a multifunctional baffle plate and a main transmission system, wherein the multifunctional baffle plate is arranged on the outer side of the engine room cover in a surrounding mode, and the main transmission system is arranged in the middle of the engine room cover;
the cabin dehumidification salt spray system comprises an electric shutter, a salt spray filter, an axial flow fan system, a hose assembly and a control element, wherein the salt spray filter is arranged on the electric shutter, the axial flow fan system is arranged on the salt spray filter, the control element is arranged on the axial flow fan system, and the hose assembly is connected with the axial flow fan system;
the heat dissipation system comprises a first heat dissipation support, a second heat dissipation support, heat dissipation blades, an adjusting device, a heat dissipation driving device and a limiting device, wherein the first heat dissipation support and the second heat dissipation support are correspondingly arranged, the heat dissipation driving device is arranged between the first heat dissipation support and the second heat dissipation support, the heat dissipation device is installed on the heat dissipation driving device through the adjusting device, and the limiting device is arranged on the heat dissipation driving device.
2. The hub heat dissipation device of a wind turbine according to claim 1, wherein: the hose assembly comprises a first hose and a second hose, one end of the first hose is communicated with the output end of the axial flow fan system, the other end of the first hose is connected with the second hose, and the other end of the second hose penetrates through the main transmission system and is communicated with the hubcap.
3. The hub heat dissipation device of a wind turbine generator system according to claim 1, wherein the heat dissipation driving device comprises a driving motor, a driving rod and a mounting table, the driving rod is connected with an output end of the driving motor, the mounting table is uniformly welded on the driving rod, the driving rod is connected with a rotating shaft between the first heat dissipation bracket and the second heat dissipation bracket, and the driving motor is fixedly connected with the second heat dissipation bracket.
4. A hub heat dissipating apparatus for a wind turbine according to claim 3, wherein a connection table is provided at an end of said heat dissipating blade, said connection table being connected to said mounting table via a rotation shaft.
5. The hub heat dissipation device of a wind turbine generator system according to claim 4, wherein the adjusting device comprises an adjusting table, an adjusting pressure spring and an adjusting block, one end of the adjusting pressure spring is welded with the adjusting table, and the other end of the adjusting pressure spring is welded with the adjusting block;
the adjusting table is connected with the rotating shaft of the mounting table, and the adjusting block is in sliding connection with the outer side of the connecting table.
6. The hub heat abstractor of a wind turbine generator system according to claim 4, wherein a tension spring is welded on one side of the driving rod, which is close to the mounting table, and the other end of the tension spring is welded on the inner side of the connecting table.
7. The hub heat dissipating apparatus of a wind turbine of claim 1, wherein a heat dissipating channel is defined between said hubcap and said hub, and a heat dissipating hole is defined between said hubcap and said multifunctional baffle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211367392.6A CN115750241B (en) | 2022-11-03 | 2022-11-03 | Hub heat abstractor of wind turbine generator system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211367392.6A CN115750241B (en) | 2022-11-03 | 2022-11-03 | Hub heat abstractor of wind turbine generator system |
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| Publication Number | Publication Date |
|---|---|
| CN115750241A CN115750241A (en) | 2023-03-07 |
| CN115750241B true CN115750241B (en) | 2024-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211367392.6A Active CN115750241B (en) | 2022-11-03 | 2022-11-03 | Hub heat abstractor of wind turbine generator system |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117967532B (en) * | 2024-04-02 | 2024-06-11 | 国网山东省电力公司莱州市供电公司 | Heat abstractor of wind driven generator |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201714586U (en) * | 2010-07-20 | 2011-01-19 | 中船重工(重庆)海装风电设备有限公司 | Offshore wind power generation system |
| WO2012002397A1 (en) * | 2010-06-30 | 2012-01-05 | 三菱重工業株式会社 | Wind power generation apparatus |
| CN106640554A (en) * | 2016-12-12 | 2017-05-10 | 北京金风科创风电设备有限公司 | Heat dissipation system and heat dissipation method for wind generating set and wind generating set |
| WO2018024039A1 (en) * | 2016-08-05 | 2018-02-08 | 江苏金风科技有限公司 | Tower bottom cooling device for wind power generator unit, and control method |
-
2022
- 2022-11-03 CN CN202211367392.6A patent/CN115750241B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012002397A1 (en) * | 2010-06-30 | 2012-01-05 | 三菱重工業株式会社 | Wind power generation apparatus |
| CN201714586U (en) * | 2010-07-20 | 2011-01-19 | 中船重工(重庆)海装风电设备有限公司 | Offshore wind power generation system |
| WO2018024039A1 (en) * | 2016-08-05 | 2018-02-08 | 江苏金风科技有限公司 | Tower bottom cooling device for wind power generator unit, and control method |
| CN106640554A (en) * | 2016-12-12 | 2017-05-10 | 北京金风科创风电设备有限公司 | Heat dissipation system and heat dissipation method for wind generating set and wind generating set |
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| CN115750241A (en) | 2023-03-07 |
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