CN114483925A - Air-cooled heat dissipation system for external wind generating set gear box - Google Patents
Air-cooled heat dissipation system for external wind generating set gear box Download PDFInfo
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- CN114483925A CN114483925A CN202111600321.1A CN202111600321A CN114483925A CN 114483925 A CN114483925 A CN 114483925A CN 202111600321 A CN202111600321 A CN 202111600321A CN 114483925 A CN114483925 A CN 114483925A
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- ring
- gear box
- heat dissipation
- cooling
- cylinder
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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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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Wind Motors (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention discloses an air-cooled heat dissipation system for an external wind generating set gear box, which comprises a wind power gear box and a circulating heat dissipation system arranged on the outer side of the wind power gear box, wherein the circulating heat dissipation system comprises a cooling heat dissipation cylinder, a movable air inlet ring, a driver and a shunting exhaust ring, the cooling heat dissipation cylinder is arranged on one side of the wind power gear box 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 power gear box and comprises an outer ring and a rotary airflow ring arranged in the outer ring, the surface of the outer ring is provided with an annular groove, and an annular rack is arranged in the annular groove. The circulating heat dissipation system designed by the invention adopts an external installation mode, and can reduce the occupation of the internal space of the gear box and improve the heat dissipation effect compared with the internal installation mode.
Description
Technical Field
The invention relates to the technical field of wind power gear boxes, in particular to an air-cooling heat dissipation system for an external wind generating set gear box.
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 generator to obtain a corresponding rotating speed, usually, the rotating speed of the wind wheel is very low and far cannot reach the rotating speed required by the power generation of the generator, and the rotating speed is realized by the speed increasing action of a gear pair of the gearbox, so the gearbox is also called as a speed increasing box. According to the overall arrangement requirements of the unit, sometimes a transmission shaft (commonly called a large shaft) directly connected with a wind wheel hub is combined with a gear box into a whole, and the large shaft and the gear box are also arranged respectively and connected by an expansion sleeve device or a coupling. In order to increase the braking capability of the unit, a braking device is often arranged at the input end or the output end of the gear box, and the braking device is matched with a blade tip braking (fixed pitch wind wheel) or a variable pitch braking device to jointly brake a transmission system of the unit.
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 case in the long-time operation process, the existing heat dissipation mode of the wind power gear box is simple, a fan and a heat dissipation window are mostly adopted for heat dissipation, and the heat dissipation efficiency is low; (2) the existing heat dissipation device of the wind power gear box mostly adopts a built-in installation mode, occupies the space inside the case and influences the heat dissipation inside the case. For this reason, a corresponding technical scheme needs to be designed to solve the existing technical problems.
Disclosure of Invention
The invention aims to provide an air-cooled heat dissipation system for an external wind generating set gear box, which solves the technical problem that a large amount of heat can be generated inside a case in the long-time operation process of the wind generating gear box, the existing heat dissipation mode of the wind generating gear box is simple, heat is dissipated by adopting a fan and a heat dissipation window, and the heat dissipation efficiency is low.
In order to achieve the purpose, the invention provides the following technical scheme: an air-cooled heat dissipation system for an external wind generating set gear box comprises a wind power gear box and a circulating heat dissipation system arranged on the outer side of the wind power gear box, wherein the circulating heat dissipation system comprises a cooling heat dissipation cylinder, a movable air inlet ring, a driver and a shunting exhaust ring, the cooling heat dissipation cylinder is arranged on one side of the wind power gear box 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 power gear box and comprises an outer ring and a rotary airflow ring arranged in the outer ring, an annular groove is formed in the surface of the outer ring, an annular rack is arranged in the annular groove, and the inner side of the rotary airflow ring is communicated with the inner cavity of the wind power gear box, the driver is installed in one side of outer loop, the reposition of redundant personnel exhaust ring is installed in wind-powered electricity generation gear box's end and is included the primary ring and install the discharge valve on the primary ring, the primary ring is linked together and one side is connected with the back flow with wind-powered electricity generation gear box's inner chamber, the back flow is connected with the cooling cylinder.
As a preferred embodiment of the present invention, the cooling cylinder comprises a main cylinder, a spiral cooling pipe, an air guide cylinder and a fan, 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 pipe is connected with the booster pump through a pipeline, and the fan is located on one side of the main cylinder, and the air outlet end of the fan is connected with the air guide cylinder through a pipeline.
In a preferred embodiment of the present invention, both ends of the spiral cooling pipe are connected to a refrigerator, and the spiral cooling pipe has a spiral ascending structure and contains a cooling medium therein.
As a preferred embodiment of the present invention, the rotational airflow ring is composed of an inner ring, two sets of sealing sleeve gaskets and a nozzle, the inner ring is fixed to the inner side of the annular rack, the surface of the inner ring is provided with an annular notch, the two sets of sealing sleeve gaskets are respectively covered on the annular notches, the sealing sleeve gaskets are connected with the booster pump through pipelines, and the nozzle is respectively provided with a plurality of sets and is uniformly installed on the inner side of the inner ring.
In a preferred embodiment of the present invention, the outer side of the seal sleeve gasket is fixed to the inner wall of the outer ring and the inner side thereof is in sliding contact with the surface of the inner ring.
As a preferred embodiment of the present invention, an installation opening is opened at an end of the nozzle, a spherical flow distribution head is movably disposed at the installation opening, and a plurality of sets of air outlets are uniformly opened on a surface of the spherical flow distribution head.
As a preferred embodiment of the present invention, the driver includes a driving motor and a driving gear installed at a power output end of the driving motor, the driving battery is installed on the wind power gear box, and the driving gear is engaged 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 shunting exhaust ring, wherein cooling air flow is conveyed into the movable air inlet ring through the cooling heat dissipation cylinder arranged on one side of the gear box, the driver is utilized to drive the inner ring inside the movable air inlet ring to rotate, the inside of the gear box is subjected to heat dissipation treatment through a plurality of groups of spray heads arranged on the inner ring in the rotating process, in addition, the end part of each spray head is provided with a spherical shunting head, the air flow can be subjected to distributed air blowing after entering the gear box, the heat dissipation air flow flows into the shunting exhaust ring at the tail end along the inner cavity of the gear box, partial air flow is refluxed into the cooling heat dissipation cylinder through the shunting exhaust ring, the other air flow is discharged along the outside, and the heat dissipation effect of the gear box can be greatly improved through the heat dissipation mode, and the mode of recycling the air flow can reduce the entering of dust on one hand and the working load of the heat radiation fan on the other hand.
2. The circulating heat dissipation system designed by the scheme adopts an external installation mode, and compared with an internal installation mode, the circulating heat dissipation system can reduce the occupation of the internal space of the gear box and improve the heat dissipation effect.
Drawings
FIG. 1 is an overall block diagram of the present invention;
FIG. 2 is a schematic front end view of a wind power gearbox according to the present invention;
FIG. 3 is a schematic end view of a wind power gearbox according to the present invention;
FIG. 4 is a block diagram of the movable air intake ring of the present invention;
fig. 5 is a sectional structure view of the movable air inlet 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 flow-dividing exhaust ring; 6. a cooling cylinder; 7. a refrigerator; 8. a booster pump; 9. an outer ring; 10. a rotating 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 helical cooling tube; 18. an air guide cylinder; 19. a fan; 20. an inner ring; 21. sealing sleeve gasket; 22. a spray head; 23. an annular notch; 24. a spherical shunt head; 25. an air outlet; 26. a drive motor; 27. the gears are driven.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1: referring to fig. 1-5, the present invention provides a technical solution: an air-cooled heat dissipation system for an external wind generating set gear box comprises a wind power gear box 1 and a circulating heat dissipation system arranged on the outer side of the wind power gear box 1, wherein the circulating heat dissipation system comprises a cooling heat dissipation cylinder 2, a movable air inlet ring 3, a driver 4 and a diversion exhaust ring 5, the cooling heat dissipation cylinder 2 is arranged on one side of the 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 lower left 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 airflow ring 10 arranged inside, an annular groove 11 is formed in the surface of the outer ring 9, an annular rack 12 is arranged inside the annular groove 11, the inner side and the inner side of the annular rack 12 are arranged inside the rotary airflow ring 10 and communicated with the inner cavity of the wind power gear box 1, the driver 4 is installed in one side of outer ring 9, and reposition of redundant personnel exhaust ring 5 is installed in wind-powered electricity generation gear box 1's end and includes main ring 13 and the exhaust valve 14 of installing on main ring 13, and main ring 13 is linked together and one side is connected with back flow 15 with the inner chamber of wind-powered electricity generation gear box 1, and back flow 15 is connected with cooling cylinder 6.
Example 2: as shown in fig. 3: the cooling cylinder 6 is composed of a main cylinder 16, a spiral cooling pipe 17, an air guide cylinder 18 and a fan 19, 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 of the main cylinder 16 in a built-in mode, the upper end of the air guide cylinder is connected with a return pipe 15, the lower end of the air guide pipe is connected with a booster pump 8 through a pipeline, the fan 19 is located on one side of the main cylinder 16, the air outlet end of the fan is connected with the air guide cylinder 18 through a pipeline, the refrigerator 7 cools the spiral cooling pipe 17, air flow in the air guide cylinder 18 is cooled through the spiral cooling pipe 17, and the purpose of air supplement can be achieved for the air guide cylinder 18 through the fan 19.
Both ends of the spiral cooling pipe 17 are connected with the refrigerator 7, the spiral cooling pipe 17 is in a spiral ascending 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 head 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 provided with 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 head 22 is provided with 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 guided into the spray head 22.
The sealing sleeve gasket 21 is fixed on the inner wall of the outer ring 9 at the outer side and in sliding contact with the surface of the inner ring 20 at the inner side, and the sealing purpose of the annular notch 23 can be achieved.
The mounting port has been seted up to the tip of shower nozzle 22, and the mounting port activity is provided with globular flow divider 24, and a plurality of groups venthole 25 have evenly been seted up on globular flow divider 24's surface, and shower nozzle 22 air current drives globular flow divider 24 activity when spouting outward to make the air current multi-angle blowout, reach the inside all-round radiating purpose of gear box.
Specifically, the driver 4 comprises a driving motor 26 and a driving gear 27 installed at a power output end of the driving motor 26, the driving battery 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, and the annular rack 12 is driven to synchronously rotate by the driving gear 27, so that the inner ring 20 inside 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 shunting exhaust ring 5, wherein cooling air flow is conveyed into the movable air inlet ring 3 through the cooling heat dissipation cylinder 2 arranged on one side of the gear box, the driver 4 is utilized to drive an inner ring 20 inside the movable air inlet ring 3 to rotate, the inside 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 shunting heads 24, air blowing can be performed on the air flow in a scattered manner, the heat dissipation air flow flows into the shunting exhaust ring 5 at the tail end along the inner cavity of the gear box after entering the gear box, part of the air flow flows back into the cooling heat dissipation cylinder 2 through the shunting exhaust ring 5, and the other air flow is discharged outside along an exhaust valve 14, and the heat dissipation effect of the gear box can be greatly improved through the heat dissipation manner, and the mode of recycling the air flow can reduce the entering of dust on one hand and the working load of the heat radiation fan 19 on the other hand.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement 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 the circulating cooling system in wind-powered electricity generation gear box (1) outside, its characterized in that: the circulating heat dissipation system comprises a cooling heat dissipation cylinder (2), a movable air inlet ring (3), a driver (4) and a shunting exhaust ring (5), wherein the cooling heat dissipation cylinder (2) is installed 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 installed at the bottom of the cooling cylinder (6) and is connected with the cooling cylinder (6) through a pipeline, the booster pump (8) is installed at the lower left 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 installed at the front end of the wind power gear box (1) and comprises an outer ring (9) and a rotary airflow ring (10) arranged inside the outer ring (9), 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), and the rotary airflow ring (10) is arranged inside the annular rack (12) and inside the wind power gear box (5) 1) The inner cavity of the wind power gear box is communicated, the driver (4) is installed on one side of the outer ring (9), the shunting exhaust ring (5) is installed at the tail end of the wind power gear box (1) and comprises a main ring (13) and an exhaust valve (14) installed on the main ring (13), the main ring (13) is communicated with the inner cavity of the wind power gear box (1) and 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-cooling heat dissipation system for the external wind generating set gearbox according to claim 1, wherein: cooling cylinder (6) comprise main section of thick bamboo (16), spiral cooling tube (17), air guide cylinder (18) and fan (19), main section of thick bamboo (16) vertical fixation is in one side of wind-powered electricity generation gear box (1), spiral cooling tube (17) are fixed in on the inner wall of main section of thick bamboo (16), place the middle part and the upper end of main section of thick bamboo (16) in air guide cylinder (18) and be connected with back flow (15), the lower extreme of air guide cylinder is connected with booster pump (8) through the pipeline, fan (19) are located one side of main section of thick bamboo (16) and give vent to anger the end and are connected with air guide cylinder (18) through the pipeline.
3. The air-cooling heat dissipation system for the external wind generating set gearbox as recited in claim 2, wherein: both ends of spiral cooling pipe (17) all are connected with refrigerator (7), spiral cooling pipe (17) are spiral rising formula structure and built-in have coolant.
4. The air-cooling heat dissipation system for the external wind generating set gearbox according to claim 1, wherein: rotatory air current ring (10) comprise inner ring (20), sealed cover pad (21) and shower nozzle (22), annular notch (23) have been seted up on the inboard and the surface that inner ring (20) are fixed in annular rack (12), sealed cover pad (21) branch is equipped with two sets ofly and covers on annular notch (23), be connected with booster pump (8) through the pipeline on sealed cover pad (21), shower nozzle (22) divide and establish a plurality of groups and evenly install in the inboard of inner ring (20).
5. The air-cooling heat dissipation system for the external wind generating set gearbox as recited in 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 of the sealing sleeve gasket is in sliding contact with the surface of the inner ring (20).
6. The air-cooling heat dissipation system for the external wind generating set gearbox as recited in claim 4, wherein: the end part of the spray head (22) is provided with a mounting port, the mounting port 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-cooling heat dissipation system for the external wind generating set gearbox as recited in claim 2, wherein: 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 battery is installed 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 true CN114483925A (en) | 2022-05-13 |
| CN114483925B CN114483925B (en) | 2023-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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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| CN (1) | CN114483925B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115111295A (en) * | 2022-07-12 | 2022-09-27 | 梁志强 | Deceleration braking heat dissipation assembly of wind power generation equipment and implementation method thereof |
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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 |
| WO2017045929A1 (en) * | 2015-09-17 | 2017-03-23 | Gea Mechanical Equipment Gmbh | Cooling device for a drive of a solid bowl screw centrifuge |
| CN207740360U (en) * | 2016-12-08 | 2018-08-17 | 福特环球技术公司 | Clutch, clutch hub and clutch for automatic transmission |
| DE102018211358A1 (en) * | 2018-07-10 | 2020-01-16 | 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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2021
- 2021-12-24 CN CN202111600321.1A patent/CN114483925B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| WO2017045929A1 (en) * | 2015-09-17 | 2017-03-23 | Gea Mechanical Equipment Gmbh | Cooling device for a drive of a solid bowl screw centrifuge |
| CN207740360U (en) * | 2016-12-08 | 2018-08-17 | 福特环球技术公司 | Clutch, clutch hub and clutch for automatic transmission |
| DE102018211358A1 (en) * | 2018-07-10 | 2020-01-16 | 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 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115111295A (en) * | 2022-07-12 | 2022-09-27 | 梁志强 | Deceleration braking heat dissipation assembly of wind power generation equipment and implementation method thereof |
| 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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| CN114483925B (en) | 2023-06-30 |
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