CN103174602A - Engine room ventilation hood of wind driven generator and wind driven generator - Google Patents
Engine room ventilation hood of wind driven generator and wind driven generator Download PDFInfo
- Publication number
- CN103174602A CN103174602A CN2011104379259A CN201110437925A CN103174602A CN 103174602 A CN103174602 A CN 103174602A CN 2011104379259 A CN2011104379259 A CN 2011104379259A CN 201110437925 A CN201110437925 A CN 201110437925A CN 103174602 A CN103174602 A CN 103174602A
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- Prior art keywords
- generator
- wind
- cooler
- ventilator cowling
- driven generator
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- 238000009423 ventilation Methods 0.000 title claims abstract description 33
- 238000001816 cooling Methods 0.000 claims abstract description 35
- 230000005540 biological transmission Effects 0.000 claims abstract description 7
- 239000000110 cooling liquid Substances 0.000 claims description 21
- 238000004891 communication Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 10
- 230000017525 heat dissipation Effects 0.000 abstract description 7
- 239000003921 oil Substances 0.000 description 14
- 239000007788 liquid Substances 0.000 description 8
- 230000005855 radiation Effects 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000012208 gear oil Substances 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000012423 maintenance 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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- General Details Of Gearings (AREA)
Abstract
The invention discloses an engine room ventilation hood of a wind driven generator. The engine room ventilation hood comprises the ventilation hood, a generator cooling device and a gear transmission cooling device. A jalousie air inlet is formed in the ventilation hood. The jalousie air inlet is in the same direction with the front side of a wind wheel of the wind driven generator. The invention further discloses the wind driven generator. The jalousie air inlet is always in the direction of wind, and therefore external cold air can be collected by the ventilation hood to the maximum extent. The cold air enters the generator through an air inlet channel of the wind driven generator and is cooled, and then hot air is discharged through an exhaust fan, driving heat dissipation is combined with driven heat dissipation, and therefore heat dissipation effect is more efficient.
Description
Technical field
The present invention relates to a kind of engine room ventilation cover and a kind of generator of generator, relate in particular to a kind of engine room ventilation cover and a kind of wind-driven generator of wind-driven generator.
Background technique
General wind-driven generator is comprised of wind wheel, main frame, three parts of tower cylinder, and wind wheel is arranged on the main shaft of main frame, and main frame is arranged on the tower cylinder.Wind wheel under the driving of wind relatively main engine axis do 360 ° of rotations.
Main frame partly is comprised of main shaft, bearing support, speed-changing gear box, generator, lubrication system, cooling system, engine room cover, driftage etc.Main shaft is connected with speed-changing gear box under the support of bearing support, and speed-changing gear box is connected with generator.Lubrication system is lubricated the revolute pair of bearing support, speed-changing gear box.Cooling system carries out cooling down to the heat that speed-changing gear box, generator produce in rotation process.The major function of engine room cover is that whole main frame is carried out protection.The driftage control all the time the wind wheel face windward to.
The electricity generating principle of wind-driven generator is: the moving wind wheel rotation of wind, drive the main shaft rotation, and main shaft is the input shaft rotation of driven gear gearbox again, by driving the rotor of generator after the speed-changing gear box speed change, thereby reaches the purpose of generating.
The revolute such as speed-changing gear box, generator can produce a large amount of heats at work, if do not add and control, machine can't work, be all generally to realize by equipment such as cooler, air bells exhausters in prior art, this radiating mode is active heat removal, and whole radiation system need to consume more energy, and probability of failure is higher, in case this active heat removal system breaks down, the heat of generator can not in time be discharged, and may cause whole generator to burn when serious.
Summary of the invention
Embodiment of the present invention technical problem to be solved is, a kind of engine room ventilation cover of wind-driven generator is provided.In conjunction with active heat removal and two kinds of technology of passive heat radiation, make whole radiation system reliable and stable, the little energy that consumes during heat radiation, rapid heat dissipation, even when the active heat removal disabler, passive heat radiation can also be controlled at normal level with the temperature of generator, and the equipment that prevents is impaired because of excess Temperature.
In order to solve the problems of the technologies described above, the embodiment of the present invention provides a kind of engine room ventilation cover of wind-driven generator, described engine room ventilation cover comprises ventilator cowling, engine cooler and gear-shift transmission cooling unit, described ventilator cowling is provided with the venetian blind intake grill, described venetian blind intake grill towards with the wind wheel of described wind-driven generator just facing to identical.
Described engine cooler comprises generator intake duct, generator ventilating fan;
One end of described generator intake duct is communicated with described ventilator cowling, and the other end is communicated with the generator inlet hole of described wind-driven generator;
The rear wall of described ventilator cowling is provided with the circular hole that is in communication with the outside, and the inlet end of described generator ventilating fan is communicated with the generator air outlet hole of described wind-driven generator, and the outlet side of described generator ventilating fan is communicated with the circular hole of described ventilator cowling.
Described gear graduation cooling unit comprises cold oil pipe, deep fat pipe, cooler, speed-change gear box, cooling liquid, the two ends of described cold oil pipe and described deep fat pipe are connected with described speed-change gear box with described cooler respectively, described ventilator cowling rear portion is provided with concave station, described cooler is located at the back side on described concave station top, and described cooling liquid flows between described cooler and described speed-change gear box by described deep fat pipe and described cold oil pipe.
Described concave station top is an inclined-plane, and described inclined-plane has square hole, and the intake grill of described cooler is communicated with described square hole.
Described engine room ventilation cover also comprises the relief opening weather shield of being located at the described ventilator cowling back side.
Described ventilator cowling is provided with the port lid of being convenient to keep in repair.
Correspondingly, the embodiment of the present invention also provides a kind of wind-driven generator, comprise wind wheel, main frame, tower cylinder, described wind wheel is arranged on the main shaft of described main frame, described wind wheel and described main frame are arranged on described tower cylinder, described main frame is provided with the engine room ventilation cover, described engine room ventilation cover comprises ventilator cowling, engine cooler, gear-shift transmission cooling unit, described ventilator cowling is provided with the venetian blind intake grill, described venetian blind intake grill towards with the wind wheel of described wind-driven generator just facing to identical.
Described engine cooler comprises generator intake duct, generator ventilating fan;
One end of described generator intake duct is communicated with described ventilator cowling, and the other end is communicated with the generator inlet hole of described wind-driven generator;
The rear wall of described ventilator cowling is provided with the circular hole that is in communication with the outside, and the inlet end of described generator ventilating fan is communicated with the generator air outlet hole of described wind-driven generator, and the outlet side of described generator ventilating fan is communicated with the circular hole of described ventilator cowling.
Described gear graduation cooling unit comprises cold oil pipe, deep fat pipe, cooler, speed-change gear box, cooling liquid, the two ends of described cold oil pipe and described deep fat pipe are connected with described speed-change gear box with described cooler respectively, described ventilator cowling rear portion is provided with concave station, described cooler is located at the back side on described concave station top, and described cooling liquid flows between described cooler and described speed-change gear box by described deep fat pipe and described cold oil pipe.
Implement the embodiment of the present invention, have following beneficial effect: ventilator cowling is provided with the venetian blind intake grill, the venetian blind intake grill towards with the wind wheel of wind-driven generator just facing to identical, and due to the driftage control all the time the wind wheel face windward to, that is to say the venetian blind intake grill all the time towards the direction of wind, so ventilator cowling can be collected extraneous cold wind to greatest extent.Cold wind through the generator intake duct enter generator cooling after, hot blast is discharged by ventilating fan, active heat removal and passive heat radiation combination make radiating effect more efficient.Even the ventilating fan fault, whole heat dissipation channel is still unobstructed, and the cold wind that enters continually still can be cooling for generator.
Speed-change gear box uses liquid cooling mode, and liquid cooling can be delivered to the external world than the air-cooled heat that more promptly gear is produced, and the cooling liquid in speed-change gear box itself also plays the function that stops the speed-change gear box high-speed heating.The suction port of cooler tiltedly faces toward the venetian blind intake grill of ventilator cowling, the cold wind that enters from the venetian blind intake grill of ventilator cowling can directly be blown into the cooler suction port, improved radiating effect, simultaneously also can still keep certain radiating effect when the ventilating fan fault of cooler, avoid because of excess Temperature, machine being caused damage at short notice.
Description of drawings
Fig. 1 is the structural representation of the engine room ventilation cover of a kind of wind-driven generator of the present invention;
Fig. 2 is the A-A face sectional view of structural representation of the engine room ventilation cover of a kind of wind-driven generator of Fig. 1 the present invention;
Fig. 3 is the structural representation of a kind of wind-driven generator of the present invention.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, the present invention is described in further detail below in conjunction with accompanying drawing.
In conjunction with Fig. 1 and Fig. 2, a kind of engine room ventilation cover of wind-driven generator, described engine room ventilation cover comprises ventilator cowling 1, engine cooler 2 and gear-shift transmission cooling unit 3, described ventilator cowling 1 is provided with venetian blind intake grill 11, described venetian blind intake grill 11 towards with the wind wheel 4 of described wind-driven generator just facing to identical.
Venetian blind intake grill 11 towards with the wind wheel 4 of wind-driven generator just facing to identical, and due to the driftage control all the time wind wheel 4 faces windward to, that is to say 11 mouthfuls of venetian blind air intakes all the time towards the direction of wind, so ventilator cowling 1 can be collected extraneous cold wind to greatest extent.
Described engine cooler 2 comprises generator intake duct 21, generator ventilating fan 22;
One end of described generator intake duct 21 is communicated with described ventilator cowling 1, and the other end is communicated with the generator inlet hole 23 of described wind-driven generator;
The rear wall of described ventilator cowling 1 is provided with the circular hole 25 that is in communication with the outside, and the inlet end of described generator ventilating fan 22 is communicated with the generator air outlet hole 24 of described wind-driven generator, and the outlet side of described generator ventilating fan 22 is communicated with the circular hole 25 of described ventilator cowling 1.
Cold wind enters generator intake duct 21 through ventilator cowling 1, enter generator 5 from generator intake duct 21 under the guiding of generator intake duct 21, the heat that cold wind is taken away generator 5 generations becomes hot blast, hot blast is discharged from ventilating fan 22 by generator air outlet hole 24, active heat removal and passive heat radiation combination make radiating effect more efficient.Even ventilating fan 22 faults, whole heat dissipation channel is still unobstructed, and the cold wind that enters continually still can be cooling for generator 5.
Described gear graduation cooling unit 3 comprises cold oil pipe 32, deep fat pipe 33, cooler 31, speed-change gear box 6, cooling liquid, the two ends of described cold oil pipe 32 and described deep fat pipe 33 are connected with described speed-change gear box 6 with described cooler 31 respectively, described ventilator cowling 1 rear portion is provided with concave station 34, described cooler 31 is located at the back side on described concave station 34 tops, and described cooling liquid flows between described cooler 31 and described speed-change gear box 6 by described deep fat pipe 33 and described cold oil pipe 32.
Described concave station 34 tops are an inclined-plane, and described inclined-plane has square hole 35, and the intake grill of described cooler 31 is communicated with described square hole 35.
6 of speed-change gear boxs use liquid cooling mode, and liquid cooling can be delivered to the external world than the air-cooled heat that more promptly gear is produced, and the cooling liquid in speed-change gear box 6 itself also plays the function that stops speed-change gear box 6 high-speed heatings.The gear oil of heat through infiltrating these gears that gear in speed-change gear box 6 produces is delivered to the cooling liquid around speed-change gear box, cooling liquid enters cooler 31 from deep fat pipe 33 after absorbing heat, 31 pairs of cooling liquids that heated up of cooler are carried out cooling, come back to speed-change gear box 6 through cooling cooling liquid from cold oil pipe 32, circulate according to this, reach the purpose of cooling speed-change gear box 6.The suction port of cooler 31 tiltedly faces toward the venetian blind intake grill 11 of ventilator cowling 1, the cold wind that enters from the venetian blind intake grill 11 of ventilator cowling 1 can directly be blown into the cooler suction port, improved radiating effect, simultaneously also can still keep certain radiating effect when the ventilating fan fault of cooler 31, avoid because of excess Temperature, machine being caused damage at short notice.
Described engine room ventilation cover also comprises the relief opening weather shield 12 of being located at described ventilator cowling 1 back side.Described relief opening weather shield 12 can prevent that rainwater from entering ventilator cowling 1 inside, can keep again the inside and outside air ventilation of ventilator cowling 1 simultaneously.
Described ventilator cowling 1 is provided with the port lid 13 of being convenient to keep in repair.When ventilator cowling 1 needs repairing, can open port lid 13, from then on the maintenance man can enter ventilator cowling 1 inside and keep in repair.
In conjunction with Fig. 1 to Fig. 3, correspondingly, the embodiment of the present invention also provides a kind of wind-driven generator, comprise wind wheel 4, main frame 7, tower cylinder 8, described wind wheel 4 is arranged on the main shaft of described main frame 7, described main frame 7 is arranged on described tower cylinder 8, described main frame 7 is provided with the engine room ventilation cover, described engine room ventilation cover comprises ventilator cowling 1, engine cooler 2 and gear-shift transmission cooling unit 3, described ventilator cowling 1 is provided with venetian blind intake grill 11, described venetian blind intake grill 11 towards with the wind wheel 4 of described wind-driven generator just facing to identical.
Venetian blind intake grill 11 towards with the wind wheel 4 of wind-driven generator just facing to identical, and due to the driftage control all the time wind wheel 4 faces windward to, that is to say 11 mouthfuls of venetian blind air intakes all the time towards the direction of wind, so ventilator cowling 1 can be collected extraneous cold wind to greatest extent.
Described engine cooler 2 comprises generator intake duct 21, generator ventilating fan 22;
One end of described generator intake duct 21 is communicated with described ventilator cowling 1, and the other end is communicated with the generator inlet hole 23 of described wind-driven generator;
The rear wall of described ventilator cowling 1 is provided with the circular hole 25 that is in communication with the outside, and the inlet end of described generator ventilating fan 22 is communicated with the generator air outlet hole 24 of described wind-driven generator, and the outlet side of described generator ventilating fan 22 is communicated with the circular hole 25 of described ventilator cowling 1.
Cold wind enters generator intake duct 21 through ventilator cowling 1, enter generator 5 from generator intake duct 21 under the guiding of generator intake duct 21, the heat that cold wind is taken away generator 5 generations becomes hot blast, hot blast is discharged from ventilating fan 22 by generator air outlet hole 24, active heat removal and passive heat radiation combination make radiating effect more efficient.Even ventilating fan 22 faults, whole heat dissipation channel is still unobstructed, and the cold wind that enters continually still can be cooling for generator 5.
Described gear graduation cooling unit 3 comprises cold oil pipe 32, deep fat pipe 33, cooler 31, speed-change gear box 6, cooling liquid, the two ends of described cold oil pipe 32 and described deep fat pipe 33 are connected with described speed-change gear box 6 with described cooler 31 respectively, described ventilator cowling 1 rear portion is provided with concave station 34, described cooler 31 is located at the back side on described concave station 34 tops, and described cooling liquid flows between described cooler 31 and described speed-change gear box 6 by described deep fat pipe 33 and described cold oil pipe 32.
Described concave station 34 tops are an inclined-plane, and described inclined-plane has square hole 35, and the intake grill of described cooler 31 is communicated with described square hole 35.
6 of speed-change gear boxs use liquid cooling mode, and liquid cooling can be delivered to the external world than the air-cooled heat that more promptly gear is produced, and the cooling liquid in speed-change gear box 6 itself also plays the function that stops speed-change gear box 6 high-speed heatings.The gear oil of heat through infiltrating these gears that gear in speed-change gear box 6 produces is delivered to the cooling liquid around speed-change gear box, cooling liquid enters cooler 31 from deep fat pipe 33 after absorbing heat, 31 pairs of cooling liquids that heated up of cooler are carried out cooling, come back to speed-change gear box 6 through cooling cooling liquid from cold oil pipe 32, circulate according to this, reach the purpose of cooling speed-change gear box 6.The suction port of cooler 31 tiltedly faces toward the venetian blind intake grill 11 of ventilator cowling 1, the cold wind that enters from the venetian blind intake grill 11 of ventilator cowling 1 can directly be blown into the cooler suction port, improved radiating effect, simultaneously also can still keep certain radiating effect when the ventilating fan fault of cooler 31, avoid because of excess Temperature, machine being caused damage at short notice.
Above disclosed is only a kind of preferred embodiment of the present invention, certainly can not limit with this interest field of the present invention, and the equivalent variations of therefore doing according to claim of the present invention still belongs to the scope that the present invention is contained.
Claims (9)
1. the engine room ventilation cover of a wind-driven generator, it is characterized in that, described engine room ventilation cover comprises ventilator cowling, engine cooler and gear-shift transmission cooling unit, described ventilator cowling is provided with the venetian blind intake grill, described venetian blind intake grill towards with the wind wheel of described wind-driven generator just facing to identical.
2. engine room ventilation cover as claimed in claim 1, is characterized in that, described engine cooler comprises generator intake duct, generator ventilating fan;
One end of described generator intake duct is communicated with described ventilator cowling, and the other end is communicated with the generator inlet hole of described wind-driven generator;
The rear wall of described ventilator cowling is provided with the circular hole that is in communication with the outside, and the inlet end of described generator ventilating fan is communicated with the generator air outlet hole of described wind-driven generator, and the outlet side of described generator ventilating fan is communicated with the circular hole of described ventilator cowling.
3. engine room ventilation cover as claimed in claim 1, it is characterized in that, described gear graduation cooling unit comprises cold oil pipe, deep fat pipe, cooler, speed-change gear box, cooling liquid, the two ends of described cold oil pipe and described deep fat pipe are connected with described speed-change gear box with described cooler respectively, described ventilator cowling rear portion is provided with concave station, described cooler is located at the back side on described concave station top, and described cooling liquid flows between described cooler and described speed-change gear box by described deep fat pipe and described cold oil pipe.
4. engine room ventilation cover as claimed in claim 3, is characterized in that, described concave station top is an inclined-plane, and described inclined-plane has square hole, and the intake grill of described cooler is communicated with described square hole.
5. engine room ventilation cover as claimed in claim 1, is characterized in that, described engine room ventilation cover also comprises the relief opening weather shield of being located at the described ventilator cowling back side.
6. engine room ventilation cover as claimed in claim 1, is characterized in that, described ventilator cowling is provided with the port lid of being convenient to keep in repair.
7. wind-driven generator, comprise wind wheel, main frame, tower cylinder, described wind wheel is arranged on the main shaft of described main frame, described wind wheel and described main frame are arranged on described tower cylinder, it is characterized in that, described main frame is provided with the engine room ventilation cover, and described engine room ventilation cover comprises ventilator cowling, engine cooler, gear-shift transmission cooling unit, described ventilator cowling is provided with the venetian blind intake grill, described venetian blind intake grill towards with the wind wheel of described wind-driven generator just facing to identical.
8. wind-driven generator as claimed in claim 7, is characterized in that, described engine cooler comprises generator intake duct, generator ventilating fan;
One end of described generator intake duct is communicated with described ventilator cowling, and the other end is communicated with the generator inlet hole of described wind-driven generator;
The rear wall of described ventilator cowling is provided with the circular hole that is in communication with the outside, and the inlet end of described generator ventilating fan is communicated with the generator air outlet hole of described wind-driven generator, and the outlet side of described generator ventilating fan is communicated with the circular hole of described ventilator cowling.
9. wind-driven generator as claimed in claim 7, it is characterized in that, described gear graduation cooling unit comprises cold oil pipe, deep fat pipe, cooler, speed-change gear box, cooling liquid, the two ends of described cold oil pipe and described deep fat pipe are connected with described speed-change gear box with described cooler respectively, described ventilator cowling rear portion is provided with concave station, described cooler is located at the back side on described concave station top, and described cooling liquid flows between described cooler and described speed-change gear box by described deep fat pipe and described cold oil pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104379259A CN103174602A (en) | 2011-12-23 | 2011-12-23 | Engine room ventilation hood of wind driven generator and wind driven generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104379259A CN103174602A (en) | 2011-12-23 | 2011-12-23 | Engine room ventilation hood of wind driven generator and wind driven generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103174602A true CN103174602A (en) | 2013-06-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011104379259A Pending CN103174602A (en) | 2011-12-23 | 2011-12-23 | Engine room ventilation hood of wind driven generator and wind driven generator |
Country Status (1)
| Country | Link |
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| CN (1) | CN103174602A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107401483A (en) * | 2017-08-31 | 2017-11-28 | 张笑多 | A kind of wind-driven generator |
| CN115234454A (en) * | 2022-09-23 | 2022-10-25 | 国家电投集团繁峙云雾峪风电有限公司 | Efficient heat dissipation device of wind driven generator |
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| CN202001222U (en) * | 2011-04-19 | 2011-10-05 | 天津市诚睿缘金属制品有限公司 | Dustproof device for air vent of engine casing of wind turbine |
| CN202493384U (en) * | 2011-12-23 | 2012-10-17 | 广东东兴风盈风电设备制造有限公司 | Engine cabin ventilating scoop of wind driven generator and wind driven generator |
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2011
- 2011-12-23 CN CN2011104379259A patent/CN103174602A/en active Pending
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| CN201326519Y (en) * | 2008-12-24 | 2009-10-14 | 华锐风电科技有限公司 | Air-cooled engine room of wind turbine |
| CN201401287Y (en) * | 2009-04-23 | 2010-02-10 | 锋电能源技术有限公司 | A wind turbine nacelle structure conducive to heat dissipation |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107401483A (en) * | 2017-08-31 | 2017-11-28 | 张笑多 | A kind of wind-driven generator |
| CN115234454A (en) * | 2022-09-23 | 2022-10-25 | 国家电投集团繁峙云雾峪风电有限公司 | Efficient heat dissipation device of wind driven generator |
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