CN202181995U - Deicing and frost-resisting system for blade of wind-power wind generator system - Google Patents
Deicing and frost-resisting system for blade of wind-power wind generator system Download PDFInfo
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- CN202181995U CN202181995U CN201120298645XU CN201120298645U CN202181995U CN 202181995 U CN202181995 U CN 202181995U CN 201120298645X U CN201120298645X U CN 201120298645XU CN 201120298645 U CN201120298645 U CN 201120298645U CN 202181995 U CN202181995 U CN 202181995U
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- pipeline
- main shaft
- blade
- deicing
- generator
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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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Abstract
The utility model relates to a deicing and frost-resisting system for a blade of a wind-power wind generator system, which comprises a generator, a gear box, a main shaft, a hub, a blade and a hot air circulating system, wherein the generator, the gear box and the main shaft are connected, the hub is arranged on the main shaft, and the blade is arranged on the hub. The hot air circulating system comprises a three-way pipeline, a pipeline I, a centrifugal fan I, a pipeline II and a centrifugal fan II, wherein the three-way pipeline is arranged at the air outlet of a generator cooler, the pipeline I is arranged at the connecting part of the main shaft and the hub and is communicated with a cavity opening at one side of the blade, the centrifugal fan I is arranged at the air inlet of the pipeline I, the pipeline II is arranged at a cavity air outlet at other side of the blade, and the centrifugal fan II is arranged at the outlet of the pipeline II. With the deicing and frost-resisting system, heat produced by the generator can circulate to the inside of the blade and can be utilized for preventing frost and deicing and, and the system is simple in structure and operation and is energy-saving and environment-friendly.
Description
Technical field
The utility model relates to a kind of wind-force wind-powered electricity generation unit, is specifically related to the freeze proof system of wind-force wind power generation unit blade deicing.
Background technique
Along with becoming increasingly conspicuous of social energy problem, Climatic issues, environmental problem, the development of renewable energy sources comes into one's own day by day.Wind-power electricity generation has aboundresources, environmental benefit is good, industrialization level is high, cost of electricity-generating is relatively low advantage, has become the important channel of renewable energy utilization.
Along with increasing blower fan stands in low-temperature region, blade all has icing phenomenon in various degree in winter, and some wind fields often run into sleet in south, makes blade surface cover ice sheet, has directly influenced leafly, and load change is unpredictable.Blower fan system is had a negative impact.
Application number is that the one Chinese patent application of CN201010208585 discloses and a kind of wind turbine rotor blade cleaned the device with deicing, and this device comes deicing and is provided with lifting device through pump connecting tube and shower nozzle.Application number is that the one Chinese patent application of CN201010581255.3 discloses a kind of blades of large-scale wind driven generator de-icing method, and this method heats through blower input hot air and makes blade flutter shake off ice sheet.Application number is that 200880110464.0 one Chinese patent application discloses a kind of method that is used for to the blade deicing of wind turbine, and this method is shaked off ice through actuating mechanism from blade.Existing these deicers all need be provided with power plant or air heating apparatus in addition, remove the ice on the blade through injection, flutter etc., not only make complex structure, and consumes energy.
The model utility content
In order to overcome the deficiency of existing blade deicer complex structure, consumes energy; The purpose of the utility model is: provide the deicing of a kind of wind-force wind power generation unit blade freeze proof system; This system can be recycled to the heat that generator self produces in the blade, utilizes the antifreeze deicing of this heat, this system architecture and simple to operate; And energy saving, economic environmental protection.
It is following that the utility model solves the technological scheme that its technical problem adopted:
The freeze proof system of a kind of wind-force wind power generation unit blade deicing comprises generator, gear-box, main shaft, wheel hub, blade and hot air circulating system; Described generator is connected with gear-box through coupling, and the other end of gear-box links to each other with main shaft, and wheel hub is installed on the main shaft, and blade installation is on wheel hub; Described hot air circulating system comprises three-way pipeline, pipeline I, centrifugal cutter I, pipeline II and centrifugal cutter II; Three-way pipeline is located at generator cooler cooling exhaust outlet; Pipeline I is located at the axial and wheel hub joint of main shaft, and is connected with blade one side cavity mouth, and centrifugal cutter I is located at the intake grill of pipeline I; Pipeline II is located at blade opposite side cavity exhaust outlet, is provided with centrifugal cutter II at this pipe outlet.Described main shaft is a hollow shaft, and main shaft diameter is to having inlet hole, and this inlet hole communicates with pipeline I in the hot air circulating system through the main shaft hollow lumen; On main shaft,, be inlaid with the aeroseal circle between this circular cowling and the main shaft around being provided with the cavity circular cowling; Described three-way pipeline links to each other with conduction pipe, and this conduction pipe outlet end communicates with the main shaft hollow lumen.
Described generator, gear-box and main shaft are installed on the underframe of cabin, are covered with engine room cover on the underframe of cabin; Described generator cooler is located at the generator top, and the three-way pipeline that is located at the cooling exhaust outlet of this cooler is installed in the engine room cover inboard; Inlet at three-way pipeline is equipped with valve respectively.
Because the utility model is provided with three-way pipeline at the relief opening of generator; And communicate with the blade cavity through main shaft, the wheel hub that links to each other with pipeline; The hot air that produces when making generator work gets into blade one side cavity through three-way pipeline, pipeline I, centrifugal cutter I; Carry out air circulation, discharge from the opposite side cavity by centrifugal cutter II again, realize the antifreeze deicing of blade.
Owing to adopt technique scheme, make the utility model compared with prior art, have following beneficial effect:
1, do not establish heating and mechanical device in addition, realize the blade deicing, energy-conserving and environment-protective
The utility model utilizes the heat that generator when work self produce, and in the blade cavity body-internal-circulation, makes the antifreeze deicing of blade, does not establish heating facility in addition, does not also establish mechanical deicing's device in addition, thereby can realize energy-conservationly, helps environmental protection.
2, simple in structure, easy to operate
The utility model is simple in structure, does not need the equipment of operating machine separately during operation, only needs opening and closing valve and fan, thereby simple.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is further specified.
Fig. 1 is the structure and the air circulation conspectus of the freeze proof system of the utility model wind-force wind power generation unit blade deicing.
Fig. 2 is an I portion enlarged diagram among Fig. 1.
Fig. 3 is an II portion enlarged diagram among Fig. 1.
Among the figure, 1. generator, 2. coupling, 3. gear-box, 4. main shaft, 5. three-way pipeline; 6. generator cooler, 7. cabin underframe, 8. engine room cover, 9. pipeline I, 10. centrifugal cutter I, 11. wheel hubs; 12. blade, 13. air guide sleeves, 14. centrifugal cutter II, 15. pipeline II, 16. conduction pipes, 17. cavity A; 18. cavity B, 19. cooling exhaust outlets, 20. aeroseal circles, 21. valve A, 22. valve B.
Embodiment
Shown in Figure 1 is an embodiment of the freeze proof system of the utility model wind-force wind power generation unit blade deicing, and this system comprises generator 1, gear-box 3, main shaft 4, wheel hub 11, blade 12 and hot air circulating system.Generator 1 is connected with gear-box 3 through coupling 2, and the other end of gear-box 3 links to each other with main shaft 4.Generator 1, gear-box 3 and main shaft 4 are installed on the cabin underframe 7, are covered with engine room cover 8 on the underframe.Be provided with generator cooler 6 at generator 1 top.As shown in Figure 2, cooler exhaust outlet 19 links to each other with three-way pipeline 5.This three-way pipeline 5 is installed in engine room cover 8 inboards, and each inlet of three-way pipeline 5 is equipped with valve A21 and valve B22 respectively.Along engine room cover 8 inboards conduction pipe 16 is housed, this conduction pipe 16 is connected with the valve B22 of three-way pipeline 5.
Hot air circulating system comprises three-way pipeline 5, pipeline I 9, centrifugal cutter I 10, pipeline II 15 and centrifugal cutter II 14; Three-way pipeline 5 is located at generator cooler cooling exhaust outlet 19; Pipeline I 9 is located at main shaft 4 axial and wheel hub 11 joints, and is connected with blade 12 1 side cavity mouths, and centrifugal cutter I 10 is located at the intake grill of pipeline I 9; Pipeline II 15 is located at blade 12 opposite side cavity exhaust outlets, is provided with centrifugal cutter II 14 at this pipe outlet.In the present embodiment, hot air circulating system respectively is provided with three equally distributed pipeline I 9 and pipeline II 15.Main shaft 4 is a hollow shaft, and main shaft 4 radially has inlet hole, and this inlet hole communicates with pipeline I 10 in the hot air circulating system through the main shaft hollow lumen; On main shaft 4,, be inlaid with aeroseal circle 20 between this circular cowling and the main shaft 4 around being provided with the cavity circular cowling.Three-way pipeline 5 links to each other with conduction pipe 16, and the outlet end that is located at the inboard conduction pipe 16 of engine room cover communicates with main shaft 4 hollow lumen to several inlet holes that have through main shaft diameter.This inlet hole can be 3～4.
The working procedure of the utility model is following:
The hot air that produces during generator operation is through adjusting the valve switch of three-way pipeline 5 of cabin afterbody, the trend of decision hot air.
When the ambient temperature height, when blade does not have risk of icing, directly afterbody discharge of hot air from the cabin, this moment, pipeline valve A21 was in out state, and valve B22 is in closed state; When ambient temperature is low, when there was risk of icing in blade, pipeline valve A21 closed, and valve B22 opens.Two centrifugal cutters among Fig. 1 are all opened simultaneously, and hot air circulate is got up.The circulating path of hot air is seen shown in the arrow among Fig. 1.
Difficult point in the hot air circulate process is how to get into the blade cavity through wheel hub.The method that the utility model system adopts is perforate on main shaft 4, and main shaft is partially sealed, as shown in Figure 3.Hot air flows into seal chamber from conduction pipe 16, collects in the cavity circular cowling, and the cavity circular cowling is looped around on the main shaft 4; And 20 sealings of aeroseal circle are arranged between the main shaft; Even main shaft 4 when rotated, hot air can not be run out of the cavity circular cowling, but gets into main shaft along the hollow spindle radial hole that circular cowling covered; Get into wheel hub 11 from the main shaft axial bore then; After getting into wheel hub 11, hot air is squeezed into three pipeline I 9 that are uniformly distributed with, finally get into blade-side cavity A17 through centrifugal cutter I 10; Referring to Fig. 1; Hot air rises at blade one side cavity A17; Circulate then and discharge, collect the wheel hub top end with three pipeline II 15, through centrifugal cutter II 14 from opposite side cavity B18; Hot air is come the space between air guide sleeve 13 and the wheel hub 11, and final hot air is discharged in the atmosphere through air guide sleeve 13 rear side windows.
Claims (4)
1. the freeze proof system of wind-force wind power generation unit blade deicing, it is characterized in that: the freeze proof system of described blade deicing comprises generator, gear-box, main shaft, wheel hub, blade and hot air circulating system; Described generator is connected with gear-box through coupling, and the other end of gear-box links to each other with main shaft, and wheel hub is installed on the main shaft, and blade installation is on wheel hub; Described hot air circulating system comprises three-way pipeline, pipeline I, centrifugal cutter I, pipeline II and centrifugal cutter II; Three-way pipeline is located at generator cooler cooling exhaust outlet; Pipeline I is located at the axial and wheel hub joint of main shaft, and is connected with blade one side cavity mouth, and centrifugal cutter I is located at the intake grill of pipeline I; Pipeline II is located at blade opposite side cavity exhaust outlet, is provided with centrifugal cutter II at this pipe outlet; Described main shaft is a hollow shaft, and main shaft diameter is to having inlet hole, and this inlet hole communicates with pipeline I in the hot air circulating system through the main shaft hollow lumen; On main shaft,, be inlaid with the aeroseal circle between this circular cowling and the main shaft around being provided with the cavity circular cowling; Described three-way pipeline links to each other with conduction pipe, and this conduction pipe outlet end communicates with the main shaft hollow lumen.
2. the freeze proof system of wind-force wind power generation unit blade according to claim 1 deicing is characterized in that: described generator, gear-box and main shaft are installed on the underframe of cabin, are covered with engine room cover on the underframe of cabin; Described generator cooler is located at the generator top, and the three-way pipeline that is located at the cooling exhaust outlet of this cooler is installed in the engine room cover inboard; Inlet at three-way pipeline is equipped with valve respectively.
3. the freeze proof system of wind-force wind power generation unit blade according to claim 1 deicing, it is characterized in that: described conduction pipe is located at the engine room cover inboard, and the outlet end of this conduction pipe communicates with the main shaft hollow lumen to several inlet holes that have through main shaft diameter.
4. the freeze proof system of wind-force wind power generation unit blade according to claim 1 deicing is characterized in that: described hot air circulating system respectively is provided with three equally distributed pipeline I and pipeline II.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120298645XU CN202181995U (en) | 2011-08-16 | 2011-08-16 | Deicing and frost-resisting system for blade of wind-power wind generator system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120298645XU CN202181995U (en) | 2011-08-16 | 2011-08-16 | Deicing and frost-resisting system for blade of wind-power wind generator system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202181995U true CN202181995U (en) | 2012-04-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120298645XU Expired - Lifetime CN202181995U (en) | 2011-08-16 | 2011-08-16 | Deicing and frost-resisting system for blade of wind-power wind generator system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202181995U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102322405A (en) * | 2011-08-16 | 2012-01-18 | 国电联合动力技术有限公司 | Deicing and freeze resisting system for blade of wind generating set |
| CN108180122A (en) * | 2017-12-29 | 2018-06-19 | 太原重型机械集团工程技术研发有限公司 | Cooling heating services Wind turbines certainly |
| CN108700042A (en) * | 2016-03-01 | 2018-10-23 | 9719245加拿大公司 | wind turbine blade deicing system and method |
-
2011
- 2011-08-16 CN CN201120298645XU patent/CN202181995U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102322405A (en) * | 2011-08-16 | 2012-01-18 | 国电联合动力技术有限公司 | Deicing and freeze resisting system for blade of wind generating set |
| CN102322405B (en) * | 2011-08-16 | 2013-03-06 | 国电联合动力技术有限公司 | Deicing and freeze resisting system for blade of wind generating set |
| CN108700042A (en) * | 2016-03-01 | 2018-10-23 | 9719245加拿大公司 | wind turbine blade deicing system and method |
| US10823152B2 (en) | 2016-03-01 | 2020-11-03 | Borealis Wind Inc. | Wind turbine blade de-icing systems and methods |
| CN108180122A (en) * | 2017-12-29 | 2018-06-19 | 太原重型机械集团工程技术研发有限公司 | Cooling heating services Wind turbines certainly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120404 Effective date of abandoning: 20130306 |
|
| RGAV | Abandon patent right to avoid regrant |