CN206625944U - A kind of gearbox of wind turbine heat abstractor - Google Patents
A kind of gearbox of wind turbine heat abstractor Download PDFInfo
- Publication number
- CN206625944U CN206625944U CN201720384968.8U CN201720384968U CN206625944U CN 206625944 U CN206625944 U CN 206625944U CN 201720384968 U CN201720384968 U CN 201720384968U CN 206625944 U CN206625944 U CN 206625944U
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- Prior art keywords
- oil pipe
- ventilator
- heat abstractor
- cabin
- gear
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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 application discloses a kind of gearbox of wind turbine heat abstractor, including cabin and the first ventilator for being arranged on engine room inside in fact.Nacelle top offers the first ventilating opening, and the first ventilator is provided with below the first ventilating opening；First ventilator is set in the outside of oil pipe and the first heat abstractor above gear-box, nozzle is offered at the top of first ventilator, the bottom of first ventilator offers oil pipe import and oil pipe outlet, and the internal diameter that oil pipe import and oil pipe export matches with oil pipe external diameter above gear-box.The gearbox of wind turbine heat abstractor that the application provides, the lubricating oil above gear-box in oil pipe quickly can be exchanged heat by heat abstractor with the air outside cabin, so as to realize the efficient cooling to gear-box, improve the security of gear-box operation.
Description
Technical field
The application is related to technical field of wind power generation, more particularly to a kind of gearbox of wind turbine heat abstractor.
Background technology
Gear-box is as an important mechanical part in wind power generating set, in the cabin of Wind turbines.
When carrying out wind-power electricity generation, because rotating speed of the wind wheel under wind-force effect is generally very low, required by not reaching electrical power generators far
Rotating speed, it is therefore necessary to speedup is carried out to generator by the gear pair in gear-box, speedup process is：In gear-box
The gear of Bearing outer, driven and rotated by bearing, gear drives other pinion rotations, and then band simultaneously when rotating
Dynamic generator rotates.Wherein, oil film is formed by lubricating oil between gear and bearing, makes gear and bearing generation contactless
Roll and slide, but because the reasons such as machining accuracy, gear have rolling friction and sliding friction in rotation process and bearing, produce
Raw certain heat, if heat accumulation is too high, will cause high temperature to burn gear and bearing.Therefore, taken away in time using lubricating oil
Gear and heat caused by bearing friction, for the normal operation important in inhibiting of gear-box.
When gear-box continues large load operation, amount of heat is produced, and lubricating oil cooling velocity is limited, it is impossible to meet to dissipate
Heat demand, therefore, generally open up heat dissipation channel and the oil pipe import and export above gear-box in cabin afterbody in the prior art
Installation heat abstractor (generally including oil cooling fan and heat sink) is radiated.When temperature controller detects gearbox temperature in cabin
When too high, the air draught out of cabin of oil cooling fan is controlled, and by making hot blast reach machine through heat dissipation channel after heat sink heat convection
Portion out of my cabin, so as to reduce gear the temperature inside the box.
When can be seen that from above-mentioned radiator structure and radiation processes when oil cooling fan air draught out of cabin, the heat in cabin
Air reaches cabin afterbody after cabin internal circulation flow and shed through heat dissipation channel, and radiating efficiency is relatively low, also, due in cabin
Generally also have other equipment and produce the reason such as heat and summer high temperature, easily cause temperature overheating in cabin, make radiating
Efficiency further reduces.In addition, oil pipe import and export generally has a small amount of lubricating oil spilling, the lubricating oil of spilling above gear-box
Being circulated after volatilization in cabin can also pollute to the various equipment in cabin and cabin, cause in cabin under cleannes
Drop.
Utility model content
This application provides a kind of gearbox of wind turbine heat abstractor, to solve the problems, such as that gear-box radiating efficiency is low.
A kind of gearbox of wind turbine heat abstractor that the application provides, the device include cabin and are arranged on the cabin
The first internal ventilator, wherein：
The nacelle top offers the first ventilating opening, and first ventilation is provided with below first ventilating opening
Cylinder；
First ventilator, which is fixed, is set in the outside of oil pipe and the first heat abstractor above gear-box, and described first is logical
Nozzle is offered at the top of air duct, the bottom of first ventilator offers oil pipe import and oil pipe outlet, and the oil pipe enters
Mouth and the internal diameter of oil pipe outlet match with oil pipe external diameter above gear-box.
Preferably, first ventilator is arranged on the underface of first ventilating opening.
Preferably, the nozzle is identical with the first ventilating opening size.
Preferably, the barrel top of first ventilator is in contact with the nacelle top.
Preferably, first ventilating opening is arranged above rain cover, and the rain cover includes rain-proof cover body and branch
Bar, wherein,
The pole is arranged on the periphery of first ventilating opening of the nacelle top；
The rain-proof cover body includes arcuate structure, and the rain-proof cover body is fixed on the top of the pole.
Preferably, the pole is fixedly connected with the cabin.
Preferably, the rain cover also includes weather shield, and the weather shield is fixed on the pole.
Preferably, the second ventilating opening, second ventilation are offered at the cabin side wall corresponding gear case side oil pipe
The second heat abstractor is provided between mouth and gear-box side oil pipe.
Preferably, the second ventilator is additionally provided with the cabin, the nozzle of second ventilator is logical with described second
Air port is corresponding, and second ventilator is set in the outside of gear-box side oil pipe and the second heat abstractor.
The beneficial effect for the gearbox of wind turbine heat abstractor that the application provides includes：
The gearbox of wind turbine heat abstractor that the application provides, passes through the oil pipe import and export above cabin gear box
Open up the first ventilator and open up the first ventilating opening in the corresponding first ventilator position of nacelle top, make oil pipe above gear-box
Interior lubricating oil quickly can be exchanged heat by heat abstractor with the air outside cabin, so as to realize to the efficient cold of gear-box
But, the security of gear-box operation is improved；Further, the first ventilator is set in above gear-box at oil pipe, is not only improved
Ventilation effect, it is thus also avoided that the oil gas of volatilization pollutes in cabin internal circulation flow in oil pipe, so as to improving in cabin
Cleannes.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme of the application, letter will be made to the required accompanying drawing used in embodiment below
Singly introduce, it should be apparent that, for those of ordinary skills, without having to pay creative labor,
Other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of structural representation for gearbox of wind turbine heat abstractor that the embodiment of the present application provides；
Fig. 2 is the structural representation for the first ventilator that the embodiment of the present application provides；
Fig. 3 is the structural representation for the second ventilator that the embodiment of the present application provides；
In Fig. 1-3, symbol is expressed as：
10- cabins, the ventilating openings of 11- first, the ventilators of 20- first, 21- gear-boxes top oil pipe, the radiating dresses of 22- first
Put, 23- oil pipe imports, the outlet of 24- oil pipes, the ventilation tube stents of 25- first, 26- fuel feed holes, 27- oil outlets, 30- rain covers,
31- rain-proof cover bodies, 32- poles, 33- weather shields, the ventilating openings of 40- second, 41- gear-boxes side oil pipe, the radiating dresses of 42- second
Put, the ventilators of 43- second.
Embodiment
Referring to Fig. 1, a kind of structural representation of the gearbox of wind turbine heat abstractor provided for the embodiment of the present application.Such as
Shown in Fig. 1, the gearbox of wind turbine heat abstractor of the application offer, the device includes cabin 10 and is arranged on inside cabin 10
The first ventilator 20.
Specifically, the top of cabin 10 offers the first ventilating opening 11, the lower section of the first ventilating opening 11 is provided with the first ventilation
Cylinder 20, the first ventilator 20 are set in the outside of the heat abstractor 22 of oil pipe 21 and first above gear-box, the first ventilator 20
Top offers nozzle.The bottom of first ventilator 20 offers oil pipe import 23 and oil pipe outlet 24, oil pipe import 23 and oil
The internal diameter of pipe outlet 24 matches with the external diameter of oil pipe 21 above gear-box.
Fuel feed hole 26 and oil outlet 27 are provided with above gear-box, by the oil pipe between fuel feed hole 26 and oil outlet 27
Interior lubricating oil is cooled, and the lubricating oil after cooling is entered in gear-box and is circulated, takes away gear-box gear and axle in time
Heat caused by friction between holding, so as to reduce the temperature of gear-box, avoids gear-box overtemperature from shutting down.Due to fuel feed hole 26 and go out
Oilhole 27 is arranged on above gear-box, and the oil pipe between fuel feed hole 26 and oil outlet 27 is close to the top of cabin 10, therefore, by
The top of cabin 10 opens up oil pipe of first ventilating opening 11 between oil pipe above gear-box 21 i.e. fuel feed hole 26 and oil outlet 27 and entered
Row radiating, radiating efficiency are high.First ventilator is arranged by the outside of the heat abstractor 22 of oil pipe 21 and first above gear-box
20, and the internal diameter of the oil pipe import 23 that opens up of the bottom of the first ventilator 20 and oil pipe outlet 24 with outside oil pipe 21 above gear-box
Footpath matches, and can isolate the environment out of cabin 10 of oil pipe 21 above gear-box, the cold air outside cabin 10 is not joined
With the air circulation of environment in cabin 10, only by heat abstractor, oil pipe 21 exchanges heat above gear-box, improves gear
The cooling velocity of lubricating oil in the oil pipe 21 of case top, further increase the radiating efficiency of gear-box.
In the embodiment of the present application, the first ventilator 20 is arranged on the underface of the first ventilating opening 11, passes through the first ventilator
Support 25 is fixed on above gear-box, and the nozzle of the first ventilator 20 is identical with the size of the first ventilating opening 11, can further increase
Strong radiating effect.The barrel top of first ventilator 20 is in contact with the top of cabin 10, enhances the first ventilator 20 and cabin
The isolation effect of environment in 10.Certainly, the barrel top of the first ventilator 20 can also exceed the top of cabin 10.First heat abstractor
22 are arranged on above the oil pipe between fuel feed hole 26 and oil outlet 27, specifically may include oil cooling fan and heat sink.
Further, to strengthen radiating effect, it is logical that second is offered at the side wall corresponding teeth roller box side oil pipe 41 of cabin 10
Air port 40, the second heat abstractor 42 is provided between the second ventilating opening 40 and gear-box side oil pipe 41.Wherein, the second radiating dress
Putting 42 specifically may include oil cooling fan and heat sink.The second ventilator 43, the nozzle of the second ventilator 43 are additionally provided with cabin 10
Corresponding with the second ventilating opening 40, the second ventilator 43 is set in the outer of gear-box side oil pipe 41 and the second heat abstractor 42
Portion.By setting the second ventilating opening 40, the second ventilator 43 and the second heat abstractor 42, strengthen to gear-box side oil pipe
The radiating of lubricating oil in 41, further improve the radiating effect of gear-box.
To avoid sleety weather from influenceing the normal operation of gear-box, the gearbox of wind turbine that the embodiment of the present application provides dissipates
Thermal, in addition to it is arranged on the rain cover 30 directly over the first ventilating opening 11.Referring to Fig. 3, provided for the embodiment of the present application
The structural representation of rain cover 30, as shown in figure 3, rain cover 30 includes rain-proof cover body 31, pole 32 and weather shield 33.
Specifically, pole 32 is fixedly installed on the periphery of first ventilating opening 11 at the top of cabin 10.Rain-proof cover body 31 wraps
Bracket structure, rain-proof cover body 31 are fixed on the top of pole 32.Weather shield 33 is fixed on pole.
In the embodiment of the present application, the temperature controller of the first heat abstractor and the second heat abstractor with being set in cabin is electrically connected
Connect, when temperature controller detects that gearbox temperature is too high, control the first heat abstractor and the second heat abstractor to open, improve gear
The heat exchange efficiency of case lubricating oil, reduce the temperature of gear-box.
As seen from the above-described embodiment, the gearbox of wind turbine heat abstractor that the embodiment of the present application provides, by cabin
Oil pipe import and export opens up the first ventilator and opens up the in the corresponding first ventilator position of nacelle top above gear box
One ventilating opening, and open up the second ventilator in cabin gear box side oil pipe and the second heat abstractor is set, increase machine
Enter air quantity in cabin, the lubricating oil above gear-box in oil pipe is quickly carried out by heat abstractor with the air outside cabin
Heat exchange, by the use of the cold air of nacelle exterior as cooling medium, realizes the efficient cooling to gear-box, effectively reduces gear
The probability that case overtemperature is shut down, improve the security of gear-box operation；Also, the first ventilator is set in oil pipe above gear-box
Place, not only increases ventilation effect, it is thus also avoided that the oil gas of volatilization is caused electric in cabin in cabin internal circulation flow in oil pipe
The pollution of mechanical, electrical gas holder and radiator, not only increases the cleannes in cabin, also helps disappearing for thermic load in whole cabin
Dissipate.
Above-described the utility model embodiment does not form the restriction to scope of protection of the utility model.
Claims (9)
1. a kind of gearbox of wind turbine heat abstractor, it is characterised in that including cabin (10) and be arranged on the cabin (10)
Internal the first ventilator (20), wherein：
The first ventilating opening (11) is offered at the top of the cabin (10), described the is provided with below first ventilating opening (11)
One ventilator (20)；
First ventilator (20) is fixed to be set in the outside of oil pipe (21) and the first heat abstractor (22) above gear-box, institute
State and nozzle offered at the top of the first ventilator (20), the bottom of first ventilator (20) offer oil pipe import (23) and
Oil pipe export (24), the oil pipe import (23) and oil pipe outlet (24) internal diameter with gear-box top oil pipe (21) external diameter phase
Matching.
2. gearbox of wind turbine heat abstractor according to claim 1, it is characterised in that first ventilator (20)
It is arranged on the underface of first ventilating opening (11).
3. gearbox of wind turbine heat abstractor according to claim 1, it is characterised in that the nozzle and described first
Ventilating opening (11) size is identical.
4. gearbox of wind turbine heat abstractor according to claim 1, it is characterised in that first ventilator (20)
Barrel top and the cabin (10) at the top of be in contact.
5. gearbox of wind turbine heat abstractor according to claim 1, it is characterised in that first ventilating opening (11)
Rain cover (30) is arranged above, the rain cover (30) includes rain-proof cover body (31) and pole (32), wherein,
The pole (32) is arranged on the periphery of first ventilating opening (11) at the top of the cabin (10)；
The rain-proof cover body (31) includes arcuate structure, and the rain-proof cover body (31) is fixed on the top of the pole (32)
End.
6. gearbox of wind turbine heat abstractor according to claim 5, it is characterised in that the pole (32) with it is described
Cabin (10) is fixedly connected.
7. gearbox of wind turbine heat abstractor according to claim 6, it is characterised in that the rain cover (30) is also wrapped
Weather shield (33) is included, the weather shield (33) is fixed on the pole (32).
8. gearbox of wind turbine heat abstractor according to claim 1, it is characterised in that cabin (10) side wall pair
Gear-box side oil pipe (41) place is answered to offer the second ventilating opening (40), second ventilating opening (40) and the gear-box side
The second heat abstractor (42) is provided between oil pipe (41).
9. gearbox of wind turbine heat abstractor according to claim 8, it is characterised in that also set in the cabin (10)
The second ventilator (43) is equipped with, the second ventilator (43) nozzle is corresponding with second ventilating opening (40), and described second
Ventilator (43) is set in the outside of gear-box side oil pipe (41) and the second heat abstractor (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720384968.8U CN206625944U (en) | 2017-04-13 | 2017-04-13 | A kind of gearbox of wind turbine heat abstractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720384968.8U CN206625944U (en) | 2017-04-13 | 2017-04-13 | A kind of gearbox of wind turbine heat abstractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206625944U true CN206625944U (en) | 2017-11-10 |
Family
ID=60205041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720384968.8U Active CN206625944U (en) | 2017-04-13 | 2017-04-13 | A kind of gearbox of wind turbine heat abstractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206625944U (en) |
-
2017
- 2017-04-13 CN CN201720384968.8U patent/CN206625944U/en active Active
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| GR01 | Patent grant |