CN114483925B - External wind-cooling heat dissipation system for wind generating set gear box - Google Patents
External wind-cooling heat dissipation system for wind generating set gear box Download PDFInfo
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- CN114483925B CN114483925B CN202111600321.1A CN202111600321A CN114483925B CN 114483925 B CN114483925 B CN 114483925B CN 202111600321 A CN202111600321 A CN 202111600321A CN 114483925 B CN114483925 B CN 114483925B
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- ring
- cooling
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0412—Cooling or heating; Control of temperature
- F16H57/0415—Air cooling or ventilation; Heat exchangers; Thermal insulations
- F16H57/0416—Air cooling or ventilation
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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 Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Wind Motors (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention discloses an external wind cooling heat dissipation system for a wind turbine generator system gearbox, which comprises a wind turbine gearbox and a circulating heat dissipation system arranged on the outer side of the wind turbine gearbox, wherein the circulating heat dissipation system comprises a cooling heat dissipation cylinder, a movable air inlet ring, a driver and a split-flow exhaust ring, the cooling heat dissipation cylinder is arranged on one side of the wind turbine gearbox and consists of a cooling cylinder, a refrigerator and a booster pump, the refrigerator is arranged at the bottom of the cooling cylinder and is connected with the cooling cylinder through a pipeline, the booster pump is arranged at the lower left corner of the cooling cylinder and is connected with the movable air inlet ring through a pipeline, the movable air inlet ring is arranged at the front end of the wind turbine gearbox and comprises an outer ring and a rotary air flow ring arranged in the inner part, an annular groove is formed in the surface of the outer ring, and an annular rack is arranged in the annular groove. The circulating type heat radiation system designed by the invention adopts an external installation mode, and compared with an internal installation mode, the circulating type heat radiation system can reduce the occupation of the internal space of the gearbox and improve the heat radiation effect.
Description
Technical Field
The invention relates to the technical field of wind power gearboxes, in particular to an external wind cooling heat dissipation system for a wind generating set gearbox.
Background
The gearbox in the wind generating set is an important mechanical component, and the main function of the gearbox is to transmit the power generated by the wind wheel under the action of wind power to the generator and enable the power to obtain corresponding rotating speed, usually the rotating speed of the wind wheel is very low and can not reach the rotating speed required by the generator for generating electricity, and the rotating speed is realized through the speed increasing effect of the gear pair of the gearbox, so the gearbox is also called a speed increasing box. According to the overall arrangement requirement of the unit, sometimes a transmission shaft (commonly called a large shaft) directly connected with a wind wheel hub is integrated with a gear box, and the large shaft and the gear box are respectively arranged, and a structure of expansion sleeve devices or coupling joints is used for connecting the large shaft and the gear box. In order to increase the braking capacity of the unit, a braking device is often arranged at the input end or the output end of the gear box, and the unit transmission system is jointly braked by matching with a blade tip braking (fixed pitch wind wheel) or a variable pitch braking device.
However, the existing wind power gear box has the following problems in the use process: (1) The wind power gear box can generate a large amount of heat in the machine box in the long-time operation process, the existing heat dissipation mode for the wind power gear box is simpler, the heat dissipation is carried out by adopting a fan and a heat dissipation window, and the heat dissipation efficiency is lower; (2) The existing heat dissipation device of the wind power gear box mostly adopts a built-in installation mode, occupies space inside the case, and influences heat dissipation inside the case. For this purpose, a corresponding technical solution is required to be designed to solve the existing technical problems.
Disclosure of Invention
The invention aims to provide an air-cooling heat dissipation system for an external wind generating set gearbox, which solves the technical problems that a large amount of heat can be generated in the interior of a machine case in the long-time operation process of the wind generating set gearbox, the existing heat dissipation mode for the wind generating set gearbox is simpler, and the heat dissipation is carried out by adopting a fan and a heat dissipation window to dissipate heat, so that the heat dissipation efficiency is lower.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides an external wind turbine generator system is forced air cooling system for gear box, includes wind-powered electricity generation gear box and installs in the circulation cooling system in the wind-powered electricity generation gear box outside, circulation cooling system includes cooling heat dissipation section of thick bamboo, activity air inlet ring, driver and reposition of redundant personnel exhaust ring, cooling heat dissipation section of thick bamboo is installed in one side of wind-powered electricity generation gear box and is constituteed by cooling cylinder, refrigerator and booster pump, the refrigerator is installed in the bottom of cooling cylinder and is connected with cooling cylinder through the pipeline, the booster pump is installed in the lower left corner of cooling cylinder and is connected with activity air inlet ring through the pipeline, activity air inlet ring is installed in the front end of wind-powered electricity generation gear box and is including outer loop and built-in rotatory air current ring, the ring channel has been seted up on the surface of outer loop, annular rack is built-in to the ring channel, the inside and the inboard of annular rack of arranging in is linked together with the inner chamber of wind-powered electricity generation gear box in the rotatory air current ring, the driver is installed in one side of outer loop, the reposition of redundant personnel exhaust ring is installed in the end of wind-powered electricity generation gear box and is including main ring and the exhaust valve on the main ring, main ring is linked together with and one side of wind-powered electricity generation gear box inner chamber is connected with the back flow pipe, back flow is connected with cooling cylinder.
As a preferred embodiment of the invention, the cooling cylinder consists of a main cylinder, a spiral cooling pipe, an air guide cylinder and a fan, wherein the main cylinder is vertically fixed on one side of the wind power gear box, the spiral cooling pipe is fixed on the inner wall of the main cylinder, the air guide cylinder is arranged in the middle of the main cylinder, the upper end of the air guide cylinder is connected with the return pipe, the lower end of the air guide cylinder is connected with the booster pump through a pipeline, and the fan is positioned on one side of the main cylinder, and the air outlet end of the air guide cylinder is connected with the air guide cylinder through a pipeline.
In a preferred embodiment of the present invention, both ends of the spiral cooling tube are connected to a refrigerator, and the spiral cooling tube has a spiral rising structure and is internally provided with a cooling medium.
As a preferred implementation mode of the invention, the rotary airflow ring consists of an inner ring, a sealing sleeve gasket and a spray head, wherein the inner ring is fixed on the inner side of the annular rack, the surface of the inner ring is provided with an annular notch, the sealing sleeve gasket is provided with two groups and covers the annular notch, the sealing sleeve gasket is connected with the booster pump through a pipeline, and the spray head is provided with a plurality of groups and is uniformly arranged on the inner side of the inner ring.
As a preferred embodiment of the present invention, the outside of the gasket is fixed to the inner wall of the outer ring and the inside is in sliding contact with the surface of the inner ring.
As a preferred implementation mode of the invention, the end part of the spray head is provided with a mounting opening, the mounting opening is movably provided with a spherical flow dividing head, and the surface of the spherical flow dividing head is uniformly provided with a plurality of groups of air outlet holes.
As a preferred embodiment of the invention, the driver comprises a driving motor and a driving gear arranged at the power output end of the driving motor, wherein the driving motor is arranged on a wind power gear box, and the driving gear is meshed with the annular rack.
Compared with the prior art, the invention has the following beneficial effects:
1. the invention designs a heat dissipation system for a wind power gear box, which comprises a cooling heat dissipation cylinder, a movable air inlet ring, a driver and a split exhaust ring, wherein cooling air flow is conveyed into the movable air inlet ring through the cooling heat dissipation cylinder arranged at one side of the gear box, the driver is used for driving an inner ring in the movable air inlet ring to rotate, a plurality of groups of spray heads arranged on the inner ring are used for carrying out heat dissipation treatment on the inside of the gear box in the rotating process, in addition, spherical split heads are arranged at the end parts of the spray heads, so that air flow can be subjected to distributed air blowing, after entering the gear box, the cooling air flow flows into the split exhaust ring at the tail end along the inner cavity of the gear box, part of the air flow is returned into the cooling heat dissipation cylinder through the split exhaust ring, and other air flow is discharged outside along the exhaust valve.
2. The circulating type heat dissipation system designed by the scheme adopts an external installation mode, and can reduce the occupation of the internal space of the gearbox and improve the heat dissipation effect relative to an internal installation mode.
Drawings
FIG. 1 is an overall block diagram of the present invention;
FIG. 2 is a schematic diagram of the front end of the wind power gearbox according to the invention;
FIG. 3 is a schematic diagram of the end of a wind power gearbox according to the present invention;
FIG. 4 is a schematic diagram of a movable intake ring structure according to the present invention;
FIG. 5 is a cross-sectional view of the movable intake ring according to the present invention.
In the figure, 1, a wind power gear box; 2. cooling the heat dissipation cylinder; 3. a movable air inlet ring; 4. a driver; 5. a split-flow exhaust ring; 6. a cooling cylinder; 7. a refrigerator; 8. a booster pump; 9. an outer ring; 10. rotating the airflow ring; 11. an annular groove; 12. an annular rack; 13. a main ring; 14. an exhaust valve; 15. a return pipe; 16. a main barrel; 17. a spiral cooling tube; 18. a gas cylinder; 19. a blower; 20. an inner ring; 21. a sealing sleeve gasket; 22. a spray head; 23. an annular notch; 24. a spherical shunt head; 25. an air outlet hole; 26. a driving motor; 27. and a drive gear.
Description of the embodiments
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1: referring to fig. 1-5, the present invention provides a technical solution: the utility model provides an external wind turbine generator system is forced air cooling system for gear box, including wind turbine generator system 1 and install in the circulation cooling system in wind turbine generator system 1 outside, circulation cooling system includes cooling heat dissipation section of thick bamboo 2, movable intake ring 3, driver 4 and reposition of redundant personnel exhaust ring 5, cooling heat dissipation section of thick bamboo 2 installs in one side of wind turbine generator system 1 and comprises cooling section of thick bamboo 6, refrigerator 7 and booster pump 8, refrigerator 7 installs in the bottom of cooling section of thick bamboo 6 and is connected with cooling section of thick bamboo 6 through the pipeline, booster pump 8 installs in the lower left corner of cooling section of thick bamboo 6 and is connected with movable intake ring 3 through the pipeline, movable intake ring 3 installs in the front end of wind turbine generator system 1 and includes outer loop 9 and embeds in rotatory air current ring 10 of inside, annular 11 has been seted up on the surface of outer loop 9, annular rack 12 is built-in to rotatory air current ring 10 and the inboard is linked together with the inner chamber of wind turbine system 1, driver 4 installs in one side of outer loop 9, reposition of redundant personnel exhaust ring 5 installs in the end and is connected with the exhaust valve 14 on main loop 13, main loop 13 and is linked together with the back flow pipe 15 in the inner chamber of wind turbine generator system 1, main loop 13 and back flow 1 is linked together with back flow pipe 15.
Example 2: as shown in fig. 3: the cooling cylinder 6 comprises a main cylinder 16, a spiral cooling pipe 17, a gas cylinder 18 and a fan 19, wherein the main cylinder 16 is vertically fixed on one side of the wind power gear box 1, the spiral cooling pipe 17 is fixed on the inner wall of the main cylinder 16, the gas cylinder 18 is arranged in the middle of the main cylinder 16, the upper end of the gas cylinder is connected with the return pipe 15, the lower end of the gas cylinder 18 is connected with the booster pump 8 through a pipeline, the fan 19 is positioned on one side of the main cylinder 16, the air outlet end of the gas cylinder is connected with the gas cylinder 18 through a pipeline, the refrigerator 7 carries out cooling treatment on the spiral cooling pipe 17, carries out cooling treatment on air flow in the gas cylinder 18 through the spiral cooling pipe 17, and the purpose of supplementing air to the gas cylinder 18 can be achieved through the fan 19.
Both ends of the spiral cooling pipe 17 are connected with the refrigerator 7, the spiral cooling pipe 17 is of a spiral rising structure and is internally provided with a cooling medium, and the cooling medium in the spiral cooling pipe 17 is cooled by the refrigerator 7, so that the air flow of the air guide cylinder 18 is cooled.
Example 3: as shown in fig. 4 and 5: the rotary airflow ring 10 is composed of an inner ring 20, a sealing sleeve gasket 21 and a spray nozzle 22, wherein the inner ring 20 is fixed on the inner side of the annular rack 12, the surface of the inner ring is provided with an annular notch 23, the sealing sleeve gasket 21 is divided into two groups and covers the annular notch 23, the sealing sleeve gasket 21 is connected with the booster pump 8 through a pipeline, the spray nozzle 22 is divided into a plurality of groups and is uniformly arranged on the inner side of the inner ring 20, and cooling airflow flows to the sealing sleeve gasket 21 along the pipeline and enters the inner ring 20 through the annular notch 23, and is led into the spray nozzle 22.
The outer side of the gasket 21 is fixed to the inner wall of the outer ring 9 and the inner side is in sliding contact with the surface of the inner ring 20, so that the annular notch 23 can be closed.
The end of the spray head 22 is provided with a mounting opening, the mounting opening is movably provided with a spherical flow dividing head 24, the surface of the spherical flow dividing head 24 is uniformly provided with a plurality of groups of air outlet holes 25, and the air flow of the spray head 22 drives the spherical flow dividing head 24 to move when being sprayed outwards, so that the air flow is sprayed out from multiple angles, and the purpose of omnibearing heat dissipation in the gear box is achieved.
Specifically, the driver 4 comprises a driving motor 26 and a driving gear 27 installed at the power output end of the driving motor 26, the driving motor 26 is installed on the wind power gear box 1, the driving gear 27 is meshed with the annular rack 12, the driving gear 27 is driven to rotate by the driving motor 26, the annular rack 12 is driven to synchronously rotate by the driving gear 27, and therefore the inner ring 20 is driven to synchronously rotate.
When in use: the invention designs a heat dissipation system for a wind power gear box 1, which comprises a cooling heat dissipation cylinder 2, a movable air inlet ring 3, a driver 4 and a split exhaust ring 5, wherein cooling air flow is conveyed into the movable air inlet ring 3 through the cooling heat dissipation cylinder 2 arranged at one side of the gear box, the driver 4 is used for driving an inner ring 20 in the movable air inlet ring 3 to rotate, the inner part of the gear box is subjected to heat dissipation treatment through a plurality of groups of spray heads 22 arranged on the inner ring 20 in the rotating process, in addition, the end parts of the spray heads 22 are provided with spherical split heads 24, the air flow can be subjected to dispersed blowing, after entering the gear box, the cooling air flow flows into the split exhaust ring 5 at the tail end along the inner cavity of the gear box, part of the air flow is returned into the cooling heat dissipation cylinder 2 through the split exhaust ring 5, and other air flows are exhausted outside along the exhaust valve 14, so that the heat dissipation effect of the gear box can be greatly improved, and the dust entering into the air flow recycling mode can be reduced, and the work load of a heat dissipation fan 19 can be reduced.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides an external wind generating set is forced air cooling system for gear box, includes wind-powered electricity generation gear box (1) and installs in circulating cooling system in wind-powered electricity generation gear box (1) outside, its characterized in that: the circulating type heat radiation system comprises a cooling heat radiation cylinder (2), a movable air inlet ring (3), a driver (4) and a split-flow exhaust ring (5), wherein the cooling heat radiation cylinder (2) is arranged on one side of a wind power gear box (1) and consists of a cooling cylinder (6), a refrigerator (7) and a booster pump (8), the refrigerator (7) is arranged at the bottom of the cooling cylinder (6) and is connected with the cooling cylinder (6) through a pipeline, the booster pump (8) is arranged at the left lower corner of the cooling cylinder (6) and is connected with the movable air inlet ring (3) through a pipeline, the movable air inlet ring (3) is arranged at the front end of the wind power gear box (1) and comprises an outer ring (9) and a rotary air flow ring (10) arranged in the inside, an annular groove (11) is formed in the surface of the outer ring (9), an annular rack (12) is arranged in the annular groove (11), the rotary air flow ring (10) is arranged in the inside the annular gear box (12) and is communicated with an inner cavity of the wind power gear box (1), the driver (4) is arranged on one side of the cooling cylinder (6) and is arranged on one side of the air inlet ring (9), the split-flow ring (1) is arranged at the tail end of the main exhaust ring (13) and comprises a main exhaust ring (13), the main ring (13) is communicated with the inner cavity of the wind power gear box (1), one side of the main ring is connected with a return pipe (15), and the return pipe (15) is connected with the cooling cylinder (6).
2. The air-cooled heat dissipation system for an external wind generating set gearbox of claim 1, wherein: the cooling cylinder (6) comprises a main cylinder (16), a spiral cooling pipe (17), an air guide cylinder (18) and a fan (19), wherein the main cylinder (16) is vertically fixed on one side of the wind power gear box (1), the spiral cooling pipe (17) is fixed on the inner wall of the main cylinder (16), the air guide cylinder (18) is arranged in the middle part of the main cylinder (16) and is connected with the return pipe (15), the lower end of the air guide cylinder (18) is connected with the booster pump (8) through a pipeline, and the fan (19) is positioned on one side of the main cylinder (16) and the air outlet end of the fan is connected with the air guide cylinder (18) through a pipeline.
3. The air-cooled heat dissipation system for an external wind generating set gearbox of claim 2, wherein: both ends of the spiral cooling pipe (17) are connected with the refrigerator (7), and the spiral cooling pipe (17) is of a spiral rising structure and is internally provided with a cooling medium.
4. The air-cooled heat dissipation system for an external wind generating set gearbox of claim 1, wherein: the rotary airflow ring (10) consists of an inner ring (20), a sealing sleeve gasket (21) and a spray head (22), wherein the inner ring (20) is fixed on the inner side of the annular rack (12), an annular notch (23) is formed in the surface of the inner ring, the sealing sleeve gasket (21) is divided into two groups and covers the annular notch (23), the sealing sleeve gasket (21) is connected with a booster pump (8) through a pipeline, and the spray head (22) is divided into a plurality of groups and is uniformly arranged on the inner side of the inner ring (20).
5. The air-cooled heat dissipation system for an external wind generating set gearbox of claim 4, wherein: the outer side of the sealing sleeve gasket (21) is fixed on the inner wall of the outer ring (9) and the inner side is in sliding contact with the surface of the inner ring (20).
6. The air-cooled heat dissipation system for an external wind generating set gearbox of claim 4, wherein: the end part of the spray head (22) is provided with a mounting opening, the mounting opening is movably provided with a spherical flow dividing head (24), and the surface of the spherical flow dividing head (24) is uniformly provided with a plurality of groups of air outlet holes (25).
7. The air-cooled heat dissipation system for an external wind generating set gearbox of claim 2, wherein: the driver (4) comprises a driving motor (26) and a driving gear (27) arranged at the power output end of the driving motor (26), the driving motor (26) is arranged on the wind power gear box (1), and the driving gear (27) is meshed with the annular rack (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111600321.1A CN114483925B (en) | 2021-12-24 | 2021-12-24 | External wind-cooling heat dissipation system for wind generating set gear box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111600321.1A CN114483925B (en) | 2021-12-24 | 2021-12-24 | External wind-cooling heat dissipation system for wind generating set gear box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114483925A CN114483925A (en) | 2022-05-13 |
| CN114483925B true CN114483925B (en) | 2023-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111600321.1A Active CN114483925B (en) | 2021-12-24 | 2021-12-24 | External wind-cooling heat dissipation system for wind generating set gear box |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115111295B (en) * | 2022-07-12 | 2024-01-19 | 北京京能新能源有限公司正镶白旗风电分公司 | Deceleration braking heat dissipation assembly of wind power generation equipment and implementation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201739100U (en) * | 2010-07-08 | 2011-02-09 | 上海敏泰液压件有限公司 | Gear box lubricating device for wind driven generator |
| DE102015115720A1 (en) * | 2015-09-17 | 2017-03-23 | Gea Mechanical Equipment Gmbh | Drive device for a solid bowl centrifuge |
| US10247256B2 (en) * | 2016-12-08 | 2019-04-02 | Ford Global Technologies, Llc | Clutch assembly for automatic transmission |
| DE102018211358B4 (en) * | 2018-07-10 | 2020-10-29 | Audi Ag | Lubricant supply system for a drive device of an electrically operated vehicle |
| CN214694266U (en) * | 2021-04-21 | 2021-11-12 | 湖南宏睿新材料科技有限公司 | Cooling device for heat treatment of aluminum alloy castings |
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