CN216157831U - Cooling structure of wind turbine generator - Google Patents
Cooling structure of wind turbine generator Download PDFInfo
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- CN216157831U CN216157831U CN202121198306.4U CN202121198306U CN216157831U CN 216157831 U CN216157831 U CN 216157831U CN 202121198306 U CN202121198306 U CN 202121198306U CN 216157831 U CN216157831 U CN 216157831U
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- 238000001816 cooling Methods 0.000 title claims abstract description 61
- 238000009423 ventilation Methods 0.000 claims description 9
- 238000013461 design Methods 0.000 abstract description 21
- 230000017525 heat dissipation Effects 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 4
- 235000017491 Bambusa tulda Nutrition 0.000 description 4
- 241001330002 Bambuseae Species 0.000 description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 4
- 239000011425 bamboo Substances 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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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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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Motor Or Generator Cooling System (AREA)
- Wind Motors (AREA)
Abstract
The utility model discloses a wind turbine generator cooling structure, and belongs to the technical field of wind turbine generator devices; the structure comprises a wind turbine generator, wherein the wind turbine generator comprises a tower and a main frame arranged on the tower, the main frame is provided with a wind turbine generator control cabinet and a generator, the generator is provided with a hub for assembling blades, the main frame is also provided with a cabin cover, a cabin is arranged in the cabin cover, the main frame, the hub and the cabin are communicated to form a cooling air channel, and the cooling air channel is provided with a heat exchange device; the utility model provides a not good problem of cooling effect among traditional wind turbine generator system, adopted two kinds of cooling system to go on at least usually among the traditional cooling system, and this design adopts air cycle's mode to make whole process can obtain effectual heat dissipation to simplify traditional structure through this mode, realize simple structure, reduce cost.
Description
Technical Field
The utility model relates to a wind turbine generator cooling structure, and belongs to the technical field of wind turbine generator devices.
Background
The wind turbine generator is used as power generation equipment utilizing clean energy, can convert wind energy into electric energy to meet the living demand and industrial demand of thousands of households, and cannot cause serious problems of environmental pollution and the like. The permanent magnet direct-drive generator set is one of wind energy utilization equipment technical routes and mainly comprises a wind wheel, a direct-drive generator, a cabin, a tower barrel and other parts, wherein the wind wheel and a rotor part for generating electricity rotate under the push of flowing air, and the design structure is that the inner space of a hub, a central hole of the generator and the space of the cabin are communicated with each other.
The wind turbine generator is used as energy conversion equipment, and the generator inevitably generates a certain amount of loss heat due to efficiency reasons, such as coils, magnetic steel, iron cores and the like; meanwhile, various control operation components of the unit also generate heat loss, such as a pitch system in a hub, electrical equipment such as a main control cabinet in a cabin, a yaw system and the like. The heat must be transferred out of the unit by the heat dissipation system, otherwise the unit will have various problems affecting the normal operation of the unit due to overhigh temperature rise. In order to cool the unit, heat dissipation engineers design various heat dissipation modes, and the unit is provided with an air-air cooling system or a water cooling system for cooling the direct-drive generator independently, an engine room is also provided with an air-air cooler system or a water cooling system for heat dissipation, and an independent fresh air system is also designed for the hub for heat dissipation and cooling. In order to simultaneously cool the hub, the generator and the nacelle, at least two cooling systems are usually used. The system has complex structure and high cost, and can explore and design a heat dissipation cooling scheme with simple structure and low cost to solve the heat dissipation problem of the whole machine.
Disclosure of Invention
The utility model aims to: aiming at the problems, the cooling structure of the wind turbine generator is provided, a set of cooling equipment can be adopted to realize heat dissipation and cooling of the space in the wind wheel hub, the generator and the space in the engine room in the state that the whole wind turbine generator is isolated and sealed from the outside, and the cooling structure is simple in structure, environment-friendly and good in weather resistance.
The technical scheme adopted by the utility model is as follows:
the utility model provides a wind turbine generator system cooling structure, includes wind turbine generator system, wind turbine generator system includes a tower section of thick bamboo and sets up the main frame on a tower section of thick bamboo, and this main frame is provided with wind turbine generator system switch board and generator, and the generator is equipped with the wheel hub that is used for assembling the blade, still is provided with the cabin cover on this main frame, and this cabin cover is inside to be the cabin, and this main frame, wheel hub and cabin intercommunication are provided with heat exchange device in order to form cooling duct on this cooling duct.
Furthermore, one end of the main frame is communicated with the engine room, and cooling air in the engine room enters the main frame to be used for cooling the wind turbine control cabinet.
Furthermore, a generator center hole is formed in the middle of the generator, and the other end of the stator main frame is communicated with the hub through the generator center hole to achieve wind circulation.
Furthermore, the generator comprises a stator, a coil and an outer rotor, and a central hole of the generator is formed in the middle of the stator.
Furthermore, a plurality of ventilation holes are formed in the hub, the generator is provided with a corresponding number of ventilation holes, and the hub and the generator are assembled in a way that the ventilation holes are correspondingly assembled.
Furthermore, the hub and the generator are assembled in a corresponding mode through the vent holes, the communicated vent holes are also internally provided with first air pipes, and the air path is sealed through the first air pipes.
Further, this first tuber pipe still is provided with the fan, shifts the air in the wheel hub to the generator through the fan.
Further, the generator is provided with an air inlet duct, and the engine room can introduce air in the engine room into the generator through the air inlet duct.
Furthermore, the heat exchange device is arranged at the rear end of the main frame and is provided with an air inlet and an air outlet, and heat exchange is realized through circulation of air inlet and air outlet.
Furthermore, the heat exchange device is communicated with the generator through a second air pipe, and hot air generated by the generator is pumped to the heat exchange device to be cooled and then sent to the engine room.
In summary, due to the adoption of the technical scheme, the utility model has the beneficial effects that:
the cooling structure of the wind turbine generator solves the problem of poor cooling effect in the traditional wind turbine generator, the generator in the wind turbine generator inevitably generates a certain amount of heat loss due to efficiency reasons, such as coils, magnetic steel, an iron core and the like, the traditional cooling system is generally carried out by at least two cooling systems, the whole process can be effectively radiated by adopting an air circulation mode, and the traditional structure is simplified by the mode, so that the structure is simple, and the cost is reduced.
According to the wind turbine generator cooling structure, the heat generated by the rotor and the coil of the generator can be effectively cooled through the design of multi-path air inlet of the generator, and the cooling effect of the wind turbine generator is effectively guaranteed by adopting a multi-path air inlet mode.
Drawings
Fig. 1 is a schematic structural view of the present invention.
The labels in the figure are: the wind power generation system comprises a tower 1, a main frame 2, a wind turbine control cabinet 3, a generator 4, blades 5, a hub 6, a cabin cover 7, a heat exchange device 8, a cabin 9, a stator 10, an outer rotor 11, a coil 12, a generator center hole 13, a first air pipe 14, an air inlet air passage 15, a second air pipe 16, a pitch control cabinet 17 and a wind wheel 18.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
Examples
The utility model provides a wind turbine generator system cooling structure, as shown in fig. 1, including wind turbine generator system, wind turbine generator system includes tower section of thick bamboo 1 and sets up main frame 2 on the tower section of thick bamboo, and this main frame 2 is provided with wind turbine generator system switch board 3 and generator 4, and generator 4 is equipped with wheel hub 6 that is used for assembling blade 5, still is provided with cabin cover 7 on this main frame 2, and this cabin cover 7 is inside to be cabin 9, and this main frame, wheel hub and cabin intercommunication are provided with heat exchange device 8 in order to form the cooling air duct on this cooling air duct.
In this embodiment, fig. 1 is taken as a schematic diagram, an arrow indicates a schematic diagram of the flow direction of the wind path in the structure, and as a specific description, on the basis of the original structure of the wind turbine, the cooling effect of the whole wind turbine can be better reflected only by designing the cooling wind path before the installation of the internal structure of the wind turbine, especially the heat generated by the generator can be effectively and timely cooled, so that the service life of the wind turbine is effectively prolonged, the maintenance cost is reduced, the design of the cooling system is also reduced, the production cost of the whole cooling system is reduced, the installation efficiency of the cooling system is improved, and the structure of the cooling system is reduced.
On the basis of the above specific structural design, as a more specific structural design, in a specific embodiment, one end of the main frame 2 is communicated with the nacelle, and the cooling air in the nacelle enters the main frame for cooling the wind turbine control cabinet. In this design, the heat generated by the wind turbine control cabinet 3 can be cooled by the air in the nacelle entering the main frame.
On the basis of the design of the specific structure, as a further design, in another specific embodiment, the middle part of the generator is provided with a generator central hole 13, and the other end part of the stator main frame 2 is communicated with the hub through the generator central hole 13 to realize the circulation of wind. In the structural design, the main frame can send wind to the hub through the center hole 13 of the generator, and the center shaft of the generator can be effectively cooled in the process of entering the hub.
On the basis of the design of the specific structure, in one specific embodiment, the generator comprises a stator 10, a coil 12 and an outer rotor 11, and a generator central hole 13 is arranged in the middle of the stator.
On the basis of the design of above-mentioned embodiment, to the further design of the assembly of wheel hub and generator, specifically, a plurality of ventilation holes have been seted up to this wheel hub 6, are provided with the ventilation hole that corresponds quantity on the generator, and wheel hub and generator assembly back ventilation hole correspond the assembly.
In order to maintain the sealing performance of the whole air path, specifically, in another embodiment, the hub is assembled with the air hole after the generator is assembled, and a first air duct 14 is further disposed in the communicated air hole, so that the air path is sealed by the first air duct.
And as specific structural design, in the middle of transferring to the generator in the cavity of wheel hub for better letting wind, specifically, this first tuber pipe still is provided with the fan, transfers the air in the wheel hub to the generator through the fan. More specifically, this fan assembly is in the front end of first tuber pipe and is located wheel hub.
In the design of the specific structure, a variable pitch control cabinet 17 is further arranged at the hub, and the blades 5 are assembled on the hub through a wind wheel 18. In the design of this concrete structure, the wind energy in the wheel hub can effectually cool off wheel hub and become oar switch board 17, ensures whole wheel hub's cooling effect, has also guaranteed the operation effect of equipment.
In addition to the above-mentioned specific structure, as a more specific design, in one embodiment, the generator has an air intake duct 15 through which the cabin can introduce air in the cabin into the generator. Specifically, the air inlet duct 15 has a plurality of air inlet ducts and is distributed in a circumferential array. The negative pressure in the generator enters the generator through the air inlet duct, the air source of the generator is derived from the air in the engine room, and the generator is effectively cooled through the air entering.
On the basis of the design of the specific structure, the heat exchange device is specifically designed, the heat exchange device 8 is arranged at the rear end of the main frame, the heat exchange device is provided with an air inlet and an air outlet, and heat exchange is realized through circulation of air inlet and air outlet. As described in more detail, the heat exchange device is an air-to-air heat exchanger. Specifically, the cooler is characterized in that a fan drives external environment air to flow through the heat exchange core to cool hot air flowing through the inner circulation, the external air flows in the outer circulation channel of the air-air cooler and does not generate mass exchange with air in the engine room, and the external air flows through the heat exchange core to absorb heat and then returns to the environment outside the unit.
On the basis of the above specific structure, in order to realize the whole circulation function, in one embodiment, the heat exchange device is communicated with the generator through the second air duct 16, and hot air generated by the generator is extracted to the heat exchange device to be cooled and then sent to the cabin. Specifically, the space in the hub, the space in the engine room and the space in the generator are communicated with each other, and no barrier should exist.
In summary, the following steps:
the cooling structure of the wind turbine generator solves the problem of poor cooling effect in the traditional wind turbine generator, the generator in the wind turbine generator inevitably generates a certain amount of heat loss due to efficiency reasons, such as coils, magnetic steel, an iron core and the like, the traditional cooling system is generally carried out by at least two cooling systems, the whole process can be effectively radiated by adopting an air circulation mode, and the traditional structure is simplified by the mode, so that the structure is simple, and the cost is reduced.
According to the wind turbine generator cooling structure, the heat generated by the rotor and the coil of the generator can be effectively cooled through the design of multi-path air inlet of the generator, and the cooling effect of the wind turbine generator is effectively guaranteed by adopting a multi-path air inlet mode.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. The utility model provides a wind turbine generator system cooling structure, includes wind turbine generator system, its characterized in that: the wind turbine generator system comprises a tower drum (1) and a main frame (2) arranged on the tower drum, wherein the main frame (2) is provided with a wind turbine generator control cabinet (3) and a generator (4), the generator (4) is provided with a hub (6) used for assembling blades (5), the main frame (2) is also provided with a cabin cover (7), a cabin (9) is arranged inside the cabin cover (7), the main frame, the hub and the cabin are communicated to form a cooling air duct, and a heat exchange device (8) is arranged on the cooling air duct;
the heat exchange device (8) is arranged at the rear end of the main frame and is provided with an air inlet and an air outlet, and heat exchange is realized through circulation of inlet air and outlet air;
the heat exchange device is communicated with the generator through a second air pipe (16), and hot air generated by the generator is pumped to the heat exchange device to be cooled and then sent to the engine room.
2. The wind turbine generator cooling structure according to claim 1, wherein: one end of the main frame (2) is communicated with the engine room, and cooling air in the engine room enters the main frame to be used for cooling the wind turbine control cabinet.
3. The wind turbine generator cooling structure according to claim 2, wherein: the middle part of the generator is provided with a generator central hole (13), and the other end part of the stator main frame (2) is communicated with the hub through the generator central hole (13) to realize the circulation of wind.
4. The wind turbine generator cooling structure according to claim 3, wherein: the generator comprises a stator (10), a coil (12) and an outer rotor (11), wherein a generator center hole (13) is formed in the middle of the stator.
5. The wind turbine generator cooling structure according to claim 1, wherein: a plurality of ventilation holes are formed in the hub (6), the generator is provided with the ventilation holes with corresponding quantity, and the hub and the generator are assembled in a corresponding mode through the ventilation holes.
6. The wind turbine generator cooling structure according to claim 5, wherein: the hub and the generator are assembled in a corresponding mode through the vent hole, a first air pipe (14) is further arranged in the communicated vent hole, and the air path is sealed through the first air pipe.
7. The wind turbine generator cooling structure according to claim 6, wherein: this first tuber pipe still is provided with the fan, shifts the air in the wheel hub to the generator through the fan.
8. The wind turbine generator cooling structure according to claim 1, wherein: the generator is provided with an air inlet air passage (15), and air in the engine room can be introduced into the generator through the air inlet air passage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121198306.4U CN216157831U (en) | 2021-05-31 | 2021-05-31 | Cooling structure of wind turbine generator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121198306.4U CN216157831U (en) | 2021-05-31 | 2021-05-31 | Cooling structure of wind turbine generator |
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| CN216157831U true CN216157831U (en) | 2022-04-01 |
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| CN202121198306.4U Active CN216157831U (en) | 2021-05-31 | 2021-05-31 | Cooling structure of wind turbine generator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114704444A (en) * | 2022-05-13 | 2022-07-05 | 北京三力新能电气设备有限公司 | Cooling device of wind generating set, engine room and wind generating set |
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2021
- 2021-05-31 CN CN202121198306.4U patent/CN216157831U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114704444A (en) * | 2022-05-13 | 2022-07-05 | 北京三力新能电气设备有限公司 | Cooling device of wind generating set, engine room and wind generating set |
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