CN111412118B - Heat dissipation mechanism for wind driven generator gear box - Google Patents
Heat dissipation mechanism for wind driven generator gear box Download PDFInfo
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- CN111412118B CN111412118B CN202010328126.7A CN202010328126A CN111412118B CN 111412118 B CN111412118 B CN 111412118B CN 202010328126 A CN202010328126 A CN 202010328126A CN 111412118 B CN111412118 B CN 111412118B
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- cooling
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 94
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 179
- 238000001816 cooling Methods 0.000 claims abstract description 111
- 238000005192 partition Methods 0.000 claims abstract description 14
- 239000000498 cooling water Substances 0.000 claims description 45
- 238000007664 blowing Methods 0.000 claims description 16
- 239000000428 dust Substances 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 3
- 239000000758 substrate Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000005855 radiation Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000191 radiation effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
- F03D80/60—Cooling or heating of wind motors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D15/00—Transmission of mechanical power
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
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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
- F16H57/0417—Heat exchangers adapted or integrated in the gearing
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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)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention discloses a heat dissipation mechanism for a gear box of a wind driven generator, wherein a horizontal partition plate is fixedly arranged in an outer machine box, a water cooling heat dissipation mechanism is arranged at the upper end of the partition plate, a heat dissipation pipe is connected to the water cooling heat dissipation mechanism, the heat dissipation pipe downwards extends to the lower part of the partition plate, the gear box is positioned in the middle of the lower end of the outer machine box, a connecting frame is fixedly connected to the lower end of the partition plate, two groups of connecting frames are respectively arranged on two sides of the gear box, and the connecting frames are parallel to the side wall of the outer machine box, which is provided with a heat dissipation opening.
Description
Technical Field
The invention relates to the technical field of gearbox heat dissipation, in particular to a heat dissipation mechanism for a gearbox of a wind driven generator.
Background
The wind driven generator is power equipment for converting wind energy into mechanical work, the mechanical work drives a rotor to rotate and finally outputs alternating current, and the gear box is an important mechanical component widely applied to wind driven generator sets. The main function of the wind turbine is to transmit the power generated by the wind wheel under the action of wind power to the generator and enable the wind wheel to obtain corresponding rotating speed, but after the existing wind turbine gear box works for a long time, gears meshed in the gear box rotate to generate a large amount of heat energy, so that the working performance of the gear box is influenced, and the service life of the gear box is influenced due to the fact that the internal structure of the gear box is damaged due to the long-time high temperature, and therefore the gear box needs to be rapidly cooled to improve the working performance and the service life of the gear box.
The publication number is: CN110375061a discloses a gearbox heat dissipation system and a gear with the same, compared with the present application, the present application cannot solve the problems: after the existing wind driven generator gear box works for a long time, gears meshed in the gear box rotate to generate a large amount of heat energy, the heat dissipation effect of the gear box is poor, so that the working performance of the gear box is affected, the service life of the gear box is affected due to the fact that the internal structure of the gear box is damaged due to the long-time high temperature, and therefore the gear box needs to be quickly cooled to improve the working performance and the service life of the gear box.
Disclosure of Invention
The invention aims to provide a heat dissipation mechanism for a gearbox of a wind driven generator, which drives air around the gearbox to quickly circulate through two groups of heat dissipation fans, low-temperature air dissipates heat of the gearbox, air cooling circulation improves the heat dissipation effect of the gearbox, meanwhile, cooling water circulating in a water cooling heat dissipation mechanism conducts heat of the gearbox, and synchronous air cooling and water cooling are carried out to ensure the heat dissipation efficiency and the heat dissipation effect of the gearbox.
The aim of the invention can be achieved by the following technical scheme:
The utility model provides a cooling mechanism for aerogenerator gear box, includes outer quick-witted case, driving motor, actuating mechanism, link, gear box, mounting bracket, radiator fan and guide plate, outer quick-witted case left and right sides wall upper portion all is provided with a plurality of groups of first louvres, outer quick-witted case left and right sides wall upper portion all is provided with the thermovent, outer quick-witted case front and back lateral wall's left and right sides evenly is provided with a plurality of groups of second louvres, outer quick-witted case front end demountable installation has the front shroud, outer quick-witted incasement is fixed with horizontal baffle, the water-cooling mechanism is installed to the baffle upper end, be connected with the cooling tube on the water-cooling mechanism, the cooling tube stretches into downwards to the baffle below, the gear box is located outer quick-witted case lower extreme middle part, link fixed connection is in the baffle lower extreme, the link is provided with two sets of and is located respectively the gear box both sides, the link is parallel with the lateral wall that outer quick-witted case is provided with the thermovent, the guide plate is provided with a plurality of groups and evenly installs on the link, guide plate front shroud detachable mounting the front shroud, guide motor is connected with the pivot, guide plate is connected with the pivot and is connected to the pivot and is in the end on the pivot; the cooling fan is fixedly installed on the partition plate through the installation frame, the cooling fan is provided with two groups and is respectively located on two sides of the gear box, the cooling fan is parallel to the connecting frame, and the cooling fan is located between the connecting frame and the gear box.
Preferably, a plurality of groups of dustproof baffles are uniformly arranged on the left inner side wall and the right inner side wall of the outer chassis, the dustproof baffles are positioned at the heat dissipation opening, the dustproof baffles are arranged in a downward inclined mode, and one end, close to the heat dissipation opening, of each dustproof baffle is lower than one end, close to the connecting frame.
Preferably, the dustproof baffle is far away from one end of the radiating port is connected with a dustproof net, and dustproof nets are arranged at the first radiating hole and the second radiating hole.
Preferably, the water cooling mechanism comprises a first side plate, a top plate, a third side plate, an L-shaped connecting plate, a fourth side plate, a first condenser, a circulating water tank, a water pump and a connecting pipe; the L-shaped connecting plate is provided with two groups of connecting plates which are respectively connected with the front end and the rear end of the top plate, the first side plate is fixedly connected with the lower end of the L-shaped connecting plate, the third side plate is fixedly connected with the left side of the L-shaped connecting plate, the fourth side plate is fixedly connected with the right side of the L-shaped connecting plate, circulating cooling water is filled in the circulating water tank, the top of the circulating water tank is provided with a water filling port, the water filling port is positioned above the top plate, a water tank cover is connected to the water filling port, a water outlet of the circulating water tank is connected with a water inlet end of the water pump through the connecting pipe, a water outlet end of the water pump is connected with a water inlet end of the radiating pipe, a water outlet end of the radiating pipe is connected with a water inlet end of the first condenser, and a water outlet end of the first condenser is connected with a water inlet end of the circulating water tank through the connecting pipe.
Preferably, the middle part of the fourth side plate is provided with a through hole, a cooling fan is fixedly installed on the fourth side plate, the blowing direction of the cooling fan faces the circulating water tank, and a plurality of groups of cooling through grooves are uniformly formed in the first side plate and the third side plate.
Preferably, the lower end of the top plate is provided with a second condenser, the second condenser and the first condenser are respectively located at two sides of the circulating water tank, the water inlet end of the second condenser is connected with the water outlet end of the first condenser through the connecting pipe, and the water outlet end of the second condenser is connected with the water inlet end of the circulating water tank through the connecting pipe.
Preferably, the L-shaped connecting plate comprises an L-shaped substrate and a square tube, a plurality of groups of heat dissipation fin plates are uniformly arranged on the outer side of the L-shaped substrate, the square tube is fixedly connected with the inner side of the L-shaped substrate, a water inlet pipe and a water outlet pipe are arranged on the square tube, the water outlet end of the water pump is connected with the water inlet pipe on the L-shaped connecting plate at the rear side, the water outlet pipe on the L-shaped connecting plate is connected with the water inlet end of the heat dissipation pipe, the water outlet end of the heat dissipation pipe is connected with the water inlet pipe on the L-shaped connecting plate at the front end, and the water outlet pipe on the L-shaped connecting plate is connected with the water inlet end of the first condenser through the connecting pipe.
Preferably, the driving mechanism comprises a driving shaft, a first bevel gear and a second bevel gear, the driving shaft is connected to the output end of the driving motor, the first bevel gear is fixedly connected to the driving shaft, the first bevel gear is uniformly provided with a plurality of groups and corresponds to the guide plates in position and quantity, the second bevel gear is fixedly connected to the guide rotating shaft, and the second bevel gear is meshed and linked with the first bevel gear.
Preferably, the blowing directions of the two groups of cooling fans are the same, the cooling pipes are located between the cooling fans with the blowing directions facing the gear box and the gear box, and the cooling pipes are of continuous S-shaped structures.
Preferably, the application method of the heat dissipation mechanism comprises the following specific steps:
Step one: the outer machine case is arranged outside the gear case, a large amount of heat energy is radiated when the gear case works, the driving motor works to drive the driving shaft to rotate, the driving shaft drives a plurality of groups of first bevel gears to rotate, the first bevel gears drive the second bevel gears to rotate, the second bevel gears drive the diversion rotating shaft to rotate, the diversion baffle is rotated from a vertical state to a horizontal state, and air circulation in the outer machine case radiates heat to the gear case;
Step two: the heat dissipation fans work to drive air in the outer chassis to circulate, the two groups of heat dissipation fans have the same blowing direction, so that an air circulation channel is formed between the outer chassis and the outside air, heat energy emitted by the work of the gear box is emitted along with the circulated air, and dust and sundries in the air are filtered by a dust screen connected to the inner side wall of the outer chassis;
Step three: the water pump works to pump out the circulating cooling water in the circulating water tank, the cooling water flows into the cooling pipe through the L-shaped connecting plate, the cooling pipe is close to the gear box, the cooling water flows into the cooling pipe to conduct heat emitted by the gear box, the cooling water with heat flows into the first condenser through the L-shaped connecting plate, the cooling fin plate arranged on the L-shaped connecting plate emits the heat of the cooling water, the cooling water enters the first condenser to be refrigerated and cooled, then flows into the second condenser to be further cooled, the cooled water flows back into the circulating water tank to be reused, the gear box is subjected to circulating water cooling and heat dissipation, and when the circulating water tank is subjected to water cooling and heat dissipation, the cooling fan works to blow and dissipate the heat of the first condenser, the second condenser, the circulating water tank and the water pump;
Step four: when the gear box stops working, the water cooling heat dissipation mechanism stops working for heat dissipation of the gear box, the heat dissipation fan stops rotating, the driving motor is driven to work to drive the driving shaft to rotate, the driving shaft drives a plurality of groups of first bevel gears to rotate, the first bevel gears drive the second bevel gears to rotate, the second bevel gears drive the diversion rotating shaft to rotate, the diversion baffle plate is rotated to be in a vertical state from a horizontal state, and two sides of the gear box are sealed.
The beneficial effects of the invention are as follows: the outer machine case is arranged outside the gear case, a large amount of heat energy is radiated when the gear case works, the driving motor works to drive the driving shaft to rotate, the driving shaft drives a plurality of groups of first bevel gears to rotate, the first bevel gears drive the second bevel gears to rotate, the second bevel gears drive the diversion rotating shaft to rotate, and the diversion baffle is rotated from a vertical state to a horizontal state, so that air in the outer machine case and outside air are enabled to circulate to radiate heat of the gear case; the rapid emission of the heat energy of the gear box is realized, the cooling fans work to drive the air in the outer machine case to circulate, one group of cooling fans blow external cold air into the outer machine case, the other group of cooling fans blow hot air in the outer machine case to the outside, the heat energy emitted by the gear box work is emitted along with the circulated air, and the heat radiation effect of the gear box is improved through air cooling circulation; when air cooling and heat dissipation are carried out, dust and sundries in the air enter the outer case to influence the working performance of the gear case due to the circulation of the air, and the dust and sundries in the air are filtered through a dust screen connected to the inner side wall of the outer case, so that the purity of the air entering the outer case is effectively ensured;
The circulating cooling water in the circulating water tank is pumped out by the water pump, the cooling water flows into the cooling pipe through the L-shaped connecting plate, the heat dissipation fin plate arranged on the L-shaped connecting plate can effectively dissipate heat energy of the cooling water, the low temperature of the cooling water is guaranteed to dissipate heat of the gear box, the cooling pipe is close to the gear box, the cooling water flowing in the cooling pipe conducts heat of the cooling water emitted by the gear box through the heat conduction, the cooling water in the air conducts heat of the gear box, the cooling water with heat flows into the first condenser through the L-shaped connecting plate, the heat dissipation fin plate arranged on the L-shaped connecting plate dissipates heat of the cooling water, primary heat energy is emitted, then the cooling water enters the first condenser for refrigerating and cooling, and then flows into the second condenser for further cooling, so that the cooling water is guaranteed to be in a low temperature state when the cooling water flows back into the circulating water tank, the cooled water is reused in the circulating water tank, the circulating water cooling heat dissipation is realized, and the cooling fan works to cool the first condenser, the second condenser, the circulating water tank and the water pump for cooling heat dissipation; the dissipation of heat energy during internal circulation of the water cooling mechanism is effectively ensured, so that the circulating water cooling effect is ensured;
When the gear box stops working, the water cooling heat dissipation mechanism stops working for dissipating heat of the gear box, the heat dissipation fan stops rotating, the driving motor is driven to work to drive the driving shaft to rotate, the driving shaft drives a plurality of groups of first bevel gears to rotate, the first bevel gears drive the second bevel gears to rotate, the second bevel gears drive the diversion rotating shaft to rotate, the diversion baffle is rotated from a horizontal state to a vertical state, two sides of the gear box are sealed, the gear box is ensured to be stored in a sealed mode in a non-working state, and the influence of external environment on the gear box is prevented;
The two groups of cooling fans drive air around the gear box to circulate rapidly, low-temperature air dissipates heat of the gear box, air cooling circulation improves the heat dissipation effect of the gear box, cooling water circulated in the water cooling mechanism conducts heat of the gear box, and air cooling and water cooling are synchronously carried out to ensure the heat dissipation efficiency and the heat dissipation effect of the gear box.
Drawings
The present invention is further described below with reference to the accompanying drawings for the convenience of understanding by those skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a front view of FIG. 1 in accordance with the present invention;
FIG. 3 is a schematic view of the internal structure of the present invention;
FIG. 4 is a schematic diagram of a water cooling mechanism according to the present invention;
FIG. 5 is an isometric view of FIG. 4 in accordance with the present invention;
FIG. 6 is a schematic diagram of a water flow structure of a water cooling mechanism according to the present invention;
FIG. 7 is a schematic diagram of the internal structure of the water cooling mechanism of the present invention;
FIG. 8 is an isometric view of FIG. 7 in accordance with the present invention;
FIG. 9 is a schematic view of the structure of the L-shaped connecting plate of the present invention;
FIG. 10 is a schematic diagram of a driving mechanism according to the present invention;
FIG. 11 is a front view of the drive mechanism of the present invention;
FIG. 12 is a schematic view of a turntable according to the present invention;
Fig. 13 is a schematic structural view of a radiating pipe according to the present invention;
FIG. 14 is a schematic view of a connector of the present invention;
In the figure: 1. an outer case; 101. a first heat radiation hole; 102. a second heat radiation hole; 103. a heat radiation port; 104. a front cover plate; 105. a dust-proof baffle; 2. a partition plate; 3. a water-cooling heat dissipation mechanism; 31. a first side plate; 32. a top plate; 33. a third side plate; 34. an L-shaped connecting plate; 341. an L-shaped substrate; 342. square tubes; 343. a heat dissipation fin; 344. a water inlet pipe; 345. a water outlet pipe; 35. a fourth side plate; 36. a cooling fan; 37. a first condenser; 38. a second condenser; 39. a circulation water tank; 391. a water tank cover; 310. a water pump; 311. a connecting pipe; 312. cooling through grooves; 4. a heat radiating pipe; 5. a driving motor; 6. a dust screen; 7. a driving mechanism; 71. a drive shaft; 72. a first helical gear; 73. a second helical gear; 8. a connecting frame; 9. a gear box; 10. a mounting frame; 11. a heat radiation fan; 12. a deflector; 121. a diversion rotating shaft; 122. a flow guiding baffle.
Detailed Description
The technical solutions of the present invention will be clearly and completely described in connection with the embodiments, and it is obvious that the described embodiments are only some embodiments of the present invention, 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.
Referring to fig. 1-14, a heat dissipation mechanism for a gear box of a wind driven generator comprises an outer case 1, a driving motor 5, a driving mechanism 7, a connecting frame 8, a gear box 9, a mounting frame 10, a heat dissipation fan 11 and a deflector 12, wherein a plurality of groups of first heat dissipation holes 101 are respectively arranged at the upper parts of the left and right side walls of the outer case 1, heat dissipation holes 103 are respectively arranged at the upper parts of the left and right side walls of the outer case 1, a plurality of groups of second heat dissipation holes 102 are respectively arranged at the left and right ends of the front and rear side walls of the outer case 1, a front cover plate 104 is detachably arranged at the front end of the outer case 1, a horizontal partition plate 2 is fixedly arranged in the outer case 1, a water-cooling heat dissipation mechanism 3 is arranged at the upper end of the partition plate 2, and a heat dissipation pipe 4 is connected to the water-cooling heat dissipation mechanism 3, the cooling pipes 4 extend downwards to the lower part of the partition board 2, the gear box 9 is positioned in the middle of the lower end of the outer machine case 1, the connecting frames 8 are fixedly connected to the lower end of the partition board 2, two groups of connecting frames 8 are arranged and are respectively positioned at two sides of the gear box 9, the connecting frames 8 are parallel to the side wall of the outer machine case 1, which is provided with the cooling ports 103, the guide plates 12 are provided with a plurality of groups and are uniformly arranged on the connecting frames 8, each guide plate 12 comprises a guide rotating shaft 121 and a guide baffle 122, the guide rotating shafts 121 are connected to the middle of the guide baffle 122, the two ends of each guide rotating shaft 121 are rotatably connected to the connecting frames 8, one end of each guide rotating shaft 121 extends out of the connecting frames 8 to be connected with the driving mechanism 7, the driving mechanism 7 is connected to the output end of the driving motor 5, and the driving motor 5 is fixedly arranged on the partition board 2; the radiator fan 11 is fixedly arranged on the partition plate 2 through the mounting frame 10, the radiator fan 11 is provided with two groups and is respectively located at two sides of the gear box 9, the radiator fan 11 is arranged in parallel with the connecting frame 8, and the radiator fan 11 is located between the connecting frame 8 and the gear box 9.
A plurality of groups of dustproof baffles 105 are uniformly arranged on the left inner side wall and the right inner side wall of the outer case 1, the dustproof baffles 105 are positioned at the heat dissipation openings 103, the dustproof baffles 105 are arranged in a downward inclined mode, and one end of each dustproof baffle 105 close to the heat dissipation opening 103 is lower than one end close to the connecting frame 8.
One end of the dustproof baffle 105, which is far away from the heat dissipation port 103, is connected with a dustproof net 6, and the dustproof net 6 is arranged at the positions of the first heat dissipation hole 101 and the second heat dissipation hole 102.
The water cooling mechanism 3 comprises a first side plate 31, a top plate 32, a third side plate 33, an L-shaped connecting plate 34, a fourth side plate 35, a first condenser 37, a circulating water tank 39, a water pump 310 and a connecting pipe 311; the L-shaped connecting plate 34 is provided with two groups of connecting plates at the front end and the rear end of the top plate 32 respectively, the first side plate 31 is fixedly connected at the lower end of the L-shaped connecting plate 34, the third side plate 33 is fixedly connected at the left side of the L-shaped connecting plate 34, the fourth side plate 35 is fixedly connected at the right side of the L-shaped connecting plate 34, circulating water tank 39 is internally provided with circulating cooling water, the top of the circulating water tank 39 is provided with a water filling port, the water filling port is positioned above the top plate 32, a water tank cover 391 is connected on the water filling port, the water outlet of the circulating water tank 39 is connected with the water inlet end of the water pump 310 through a connecting pipe 311, the water outlet end of the water pump 310 is connected with the water inlet end of the radiating pipe 4, the water outlet end of the radiating pipe 4 is connected with the water inlet end of the first condenser 37, and the water outlet end of the first condenser 37 is connected with the water inlet end of the circulating water tank 39 through the connecting pipe 311.
The middle part of the fourth side plate 35 is provided with a through hole, the fourth side plate 35 is fixedly provided with a cooling fan 36, the blowing direction of the cooling fan 36 faces the circulating water tank 39, and the first side plate 31 and the third side plate 33 are uniformly provided with a plurality of groups of cooling through grooves 312.
The lower extreme of roof 32 is provided with second condenser 38, and second condenser 38 and first condenser 37 are located circulation tank 39 both sides respectively, and second condenser 38 water inlet end links to each other with first condenser 37 water outlet end through connecting pipe 311, and second condenser 38 water outlet end links to each other with circulation tank 39 water inlet end through connecting pipe 311.
The L-shaped connecting plate 34 comprises an L-shaped substrate 341 and a square tube 342, a plurality of groups of heat dissipation fin plates 343 are uniformly arranged on the outer side of the L-shaped substrate 341, the square tube 342 is fixedly connected with the inner side of the L-shaped substrate 341, a water inlet pipe 344 and a water outlet pipe 345 are arranged on the square tube 342, the water outlet end of the water pump 310 is connected with the water inlet pipe 344 on the rear side L-shaped connecting plate 34, the water outlet pipe 345 on the rear side L-shaped connecting plate 34 is connected with the water inlet end of the heat dissipation tube 4, the water outlet end of the heat dissipation tube 4 is connected with the water inlet pipe 344 on the front end L-shaped connecting plate 34, and the water outlet pipe 345 on the front end L-shaped connecting plate 34 is connected with the water inlet end of the first condenser 37 through the connecting pipe 311.
The driving mechanism 7 comprises a driving shaft 71, a first bevel gear 72 and a second bevel gear 73, the driving shaft 71 is connected to the output end of the driving motor 5, the first bevel gear 72 is fixedly connected to the driving shaft 71, the first bevel gear 72 is uniformly provided with a plurality of groups and corresponds to the guide plates 12 in position and quantity, the second bevel gear 73 is fixedly connected to the guide rotating shaft 121, and the second bevel gear 73 is meshed and linked with the first bevel gear 72.
The blowing directions of the two groups of cooling fans 11 are the same, the cooling pipe 4 is positioned between the cooling fan 11 with the blowing direction facing the gear box 9 and the gear box 9, and the cooling pipe 4 is in a continuous S-shaped structure.
The application method of the heat dissipation mechanism comprises the following specific steps:
Step one: the outer case 1 is arranged outside the gear case 9, a large amount of heat energy is radiated when the gear case 9 works, the driving motor 5 works to drive the driving shaft 71 to rotate, the driving shaft 71 drives a plurality of groups of first bevel gears 72 to rotate, the first bevel gears 72 drive the second bevel gears 73 to rotate, the second bevel gears 73 drive the diversion rotating shaft 121 to rotate, the diversion baffle 122 is rotated from a vertical state to a horizontal state, and air circulation in the outer case 1 radiates heat to the gear case 9;
step two: the heat dissipation fans 11 work to drive the air in the outer case 1 to circulate, the two groups of heat dissipation fans 11 have the same blowing direction, so that an air circulation channel is formed between the outer case 1 and the outside air, heat energy emitted by the work of the gear case 9 is emitted along with the circulated air, and dust and sundries in the air are filtered by the dust screen 6 connected to the inner side wall of the outer case 1;
Step three: the water pump 310 is used for pumping out circulating cooling water in the circulating water tank 39, the cooling water flows into the cooling pipe 4 through the L-shaped connecting plate 34, the cooling pipe 4 is close to the gear box 9, the cooling water flowing into the cooling pipe 4 conducts heat emitted by the gear box 9, the cooling water with heat flows into the first condenser 37 through the L-shaped connecting plate 34, the cooling fin plate 343 arranged on the L-shaped connecting plate 34 radiates heat of the cooling water, the cooling water enters the first condenser 37 for refrigerating and cooling, then flows into the second condenser 38 for further cooling, the cooled water flows back into the circulating water tank 39 for reuse, the gear box 9 is subjected to circulating water cooling and heat dissipation, and when the circulating water tank 39 is subjected to water cooling and heat dissipation, the cooling fan 36 is used for blowing and heat dissipation on the first condenser 37, the second condenser 38, the circulating water tank 39 and the water pump 310;
Step four: when the gear box 9 stops working, the water cooling heat dissipation mechanism 3 stops working for dissipating heat of the gear box 9, the heat dissipation fan 11 stops rotating, the driving motor 5 is driven to drive the driving shaft 71 to rotate, the driving shaft 71 drives the plurality of groups of first bevel gears 72 to rotate, the first bevel gears 72 drive the second bevel gears 73 to rotate, the second bevel gears 73 drive the diversion rotating shaft 121 to rotate, the diversion baffle 122 is rotated from a horizontal state to a vertical state, and two sides of the gear box 9 are sealed.
When the invention is used, the outer case 1 is arranged outside the gear case 9, a large amount of heat energy is radiated when the gear case 9 works, the driving motor 5 works to drive the driving shaft 71 to rotate, the driving shaft 71 drives a plurality of groups of first bevel gears 72 to rotate, the first bevel gears 72 drive the second bevel gears 73 to rotate, the second bevel gears 73 drive the diversion rotating shaft 121 to rotate, the diversion baffle 122 is rotated from a vertical state to a horizontal state, and air circulation in the outer case 1 radiates heat to the gear case 9; the heat dissipation fans 11 work to drive the air in the outer case 1 to circulate, the two groups of heat dissipation fans 11 have the same blowing direction, so that an air circulation channel is formed between the outer case 1 and the outside air, heat energy emitted by the work of the gear case 9 is emitted along with the circulated air, and dust and sundries in the air are filtered by the dust screen 6 connected to the inner side wall of the outer case 1; the water pump 310 is used for pumping out circulating cooling water in the circulating water tank 39, the cooling water flows into the cooling pipe 4 through the L-shaped connecting plate 34, the cooling pipe 4 is close to the gear box 9, the cooling water flowing into the cooling pipe 4 conducts heat emitted by the gear box 9, the cooling water with heat flows into the first condenser 37 through the L-shaped connecting plate 34, the cooling fin plate 343 arranged on the L-shaped connecting plate 34 radiates heat of the cooling water, the cooling water enters the first condenser 37 for refrigerating and cooling, then flows into the second condenser 38 for further cooling, the cooled water flows back into the circulating water tank 39 for reuse, the gear box 9 is subjected to circulating water cooling and heat dissipation, and when the circulating water tank 39 is subjected to water cooling and heat dissipation, the cooling fan 36 is used for blowing and heat dissipation on the first condenser 37, the second condenser 38, the circulating water tank 39 and the water pump 310; when the gear box 9 stops working, the water cooling heat dissipation mechanism 3 stops working for dissipating heat of the gear box 9, the heat dissipation fan 11 stops rotating, the driving motor 5 is driven to drive the driving shaft 71 to rotate, the driving shaft 71 drives the plurality of groups of first bevel gears 72 to rotate, the first bevel gears 72 drive the second bevel gears 73 to rotate, the second bevel gears 73 drive the diversion rotating shaft 121 to rotate, the diversion baffle 122 is rotated from a horizontal state to a vertical state, and two sides of the gear box 9 are sealed.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (6)
1. The utility model provides a cooling mechanism for aerogenerator gear box, includes outer quick-witted case (1), driving motor (5), actuating mechanism (7), link (8), gear box (9), mounting bracket (10), radiator fan (11) and guide plate (12), its characterized in that, outer quick-witted case (1) left and right sides wall upper portion all is provided with a plurality of first louvres (101), outer quick-witted case (1) left and right sides wall upper portion all is provided with thermovent (103), the left and right sides of outer quick-witted case (1) front and back lateral wall evenly is provided with a plurality of second louvres (102), outer quick-witted case (1) front end demountable installation has front bezel (104), outer quick-witted case (1) internal fixation is provided with horizontal baffle (2), water cooling mechanism (3) are installed to baffle (2) upper end, be connected with cooling tube (4) on water cooling mechanism (3), cooling tube (4) inwards stretch into baffle (2) below, gear box (9) are located outer quick-witted case (1) lower extreme, link (8) are located both sides (8) are located respectively, the connecting frame (8) is parallel to the side wall of the outer chassis (1) provided with the heat dissipation opening (103), the guide plates (12) are provided with a plurality of groups and are uniformly arranged on the connecting frame (8), the guide plates (12) comprise guide rotating shafts (121) and guide baffle plates (122), the guide rotating shafts (121) are connected to the middle parts of the guide baffle plates (122), two ends of the guide rotating shafts (121) are rotationally connected to the connecting frame (8), one end of each guide rotating shaft (121) extends out of the connecting frame (8) and is connected with the driving mechanism (7), the driving mechanism (7) is connected to the output end of the driving motor (5), and the driving motor (5) is fixedly arranged on the partition plate (2); the cooling fans (11) are fixedly arranged on the partition plate (2) through the mounting frame (10), the cooling fans (11) are provided with two groups and are respectively positioned at two sides of the gear box (9), the cooling fans (11) are arranged in parallel with the connecting frame (8), and the cooling fans (11) are positioned between the connecting frame (8) and the gear box (9);
A plurality of groups of dustproof baffles (105) are uniformly arranged on the left inner side wall and the right inner side wall of the outer case (1), the dustproof baffles (105) are positioned at the heat dissipation openings (103), the dustproof baffles (105) are obliquely arranged downwards, and one end, close to the heat dissipation openings (103), of each dustproof baffle (105) is lower than one end, close to the connecting frame (8);
One end of the dustproof baffle plate (105) far away from the heat dissipation port (103) is connected with a dustproof net (6), and the dustproof nets (6) are arranged at the first heat dissipation hole (101) and the second heat dissipation hole (102);
The driving mechanism (7) comprises a driving shaft (71), a first bevel gear (72) and a second bevel gear (73), the driving shaft (71) is connected to the output end of the driving motor (5), the first bevel gear (72) is fixedly connected to the driving shaft (71), the first bevel gears (72) are uniformly provided with a plurality of groups and correspond to the guide plates (12) in position and number, the second bevel gear (73) is fixedly connected to the guide rotating shaft (121), and the second bevel gear (73) is meshed and linked with the first bevel gear (72);
The two groups of radiating fans (11) are the same in blowing direction, the radiating pipe (4) is located between the radiating fans (11) with the blowing direction facing the gear box (9) and the gear box (9), and the radiating pipe (4) is of a continuous S-shaped structure.
2. A heat dissipation mechanism for a wind turbine gearbox according to claim 1, characterized in that the water-cooled heat dissipation mechanism (3) comprises a first side plate (31), a top plate (32), a third side plate (33), an L-shaped connecting plate (34), a fourth side plate (35), a first condenser (37), a circulation tank (39), a water pump (310) and a connecting pipe (311); the utility model discloses a cooling water circulation device, including roof (32), circulating water tank (39), circulating water tank (37), cooling water circulation device, cooling water tank (39), circulating water tank (39), cooling water tank cover (391) are connected with on the water inlet, circulating water tank (39) delivery port is in through connecting pipe (311) with water pump (310) water inlet links to each other, water pump (310) water outlet with cooling tube (4) water inlet links to each other, fourth curb plate (35) fixed connection is in L type connecting plate (34) right side, circulating water tank (39) are equipped with circulating cooling water, circulating water tank (39) top is provided with the water filling port, the water filling port is located roof (32) top, be connected with water tank cover (391), circulating water pump (310) water outlet link to each other with cooling tube (4) water inlet.
3. A heat dissipation mechanism for a gearbox of a wind driven generator according to claim 2, wherein a through hole is formed in the middle of the fourth side plate (35), a cooling fan (36) is fixedly mounted on the fourth side plate (35), the blowing direction of the cooling fan (36) faces the circulating water tank (39), and a plurality of groups of cooling through grooves (312) are uniformly formed in the first side plate (31) and the third side plate (33).
4. A heat dissipation mechanism for a wind driven generator gearbox according to claim 2, wherein a second condenser (38) is arranged at the lower end of the top plate (32), the second condenser (38) and the first condenser (37) are respectively located at two sides of the circulating water tank (39), the water inlet end of the second condenser (38) is connected with the water outlet end of the first condenser (37) through the connecting pipe (311), and the water outlet end of the second condenser (38) is connected with the water inlet end of the circulating water tank (39) through the connecting pipe (311).
5. The heat dissipation mechanism for a gearbox of a wind driven generator according to claim 2, wherein the L-shaped connecting plate (34) comprises an L-shaped base plate (341) and a square tube (342), a plurality of groups of heat dissipation fin plates (343) are uniformly arranged on the outer side of the L-shaped base plate (341), the square tube (342) is fixedly connected with the inner side of the L-shaped base plate (341), a water inlet tube (344) and a water outlet tube (345) are arranged on the square tube (342), the water outlet end of the water pump (310) is connected with the water inlet tube (344) on the L-shaped connecting plate (34) on the rear side, the water outlet tube (345) on the L-shaped connecting plate (34) on the rear side is connected with the water inlet end of the heat dissipation tube (4), the water outlet end of the heat dissipation tube (4) is connected with the water inlet tube (344) on the L-shaped connecting plate (34) on the front side, and the water outlet tube (345) on the L-shaped connecting plate (34) is connected with the water inlet end of the first condenser (37) through the connecting tube (311).
6. The method of using a heat dissipation mechanism for a gearbox of a wind turbine according to any one of claims 1-5, wherein the method of using the heat dissipation mechanism comprises the specific steps of:
step one: the outer machine case (1) is arranged outside the gear case (9), a large amount of heat energy is radiated when the gear case (9) works, the driving motor (5) works to drive the driving shaft (71) to rotate, the driving shaft (71) drives the plurality of groups of first bevel gears (72) to rotate, the first bevel gears (72) drive the second bevel gears (73) to rotate, the second bevel gears (73) drive the flow guide rotating shaft (121) to rotate, the flow guide baffle (122) rotates from a vertical state to a horizontal state, and air circulation in the outer machine case (1) radiates heat to the gear case (9);
step two: the heat dissipation fans (11) work to drive air in the outer case (1) to circulate, the two groups of heat dissipation fans (11) have the same blowing direction, so that an air circulation channel is formed between the outer case (1) and the outside air, heat energy emitted by the work of the gear case (9) is emitted along with the circulated air, and dust and sundries in the air are filtered by the dust screen (6) connected to the inner side wall of the outer case (1);
Step three: the water pump (310) is used for pumping out circulating cooling water in the circulating water tank (39), the cooling water flows into the cooling pipe (4) through the L-shaped connecting plate (34), the cooling pipe (4) is close to the gear box (9), the cooling water flows into the cooling pipe (4) to conduct heat emitted by the gear box (9), the cooling water with heat flows into the first condenser (37) through the L-shaped connecting plate (34), the cooling fin plate (343) arranged on the L-shaped connecting plate (34) is used for emitting the heat of the cooling water, the cooling water enters the first condenser (37) to be cooled, then flows into the second condenser (38) to be further cooled, the cooled water flows back into the circulating water tank (39) to be reused, and when the circulating water tank (39) is used for cooling the first condenser (37), the second condenser (38), the circulating water tank (39) and the water pump (310) are used for blowing and cooling;
Step four: when the gear box (9) stops working, the water cooling heat dissipation mechanism (3) stops working for dissipating heat of the gear box (9), the heat dissipation fan (11) stops rotating, the driving motor (5) is driven to work to drive the driving shaft (71) to rotate, the driving shaft (71) drives the plurality of groups of first bevel gears (72) to rotate, the first bevel gears (72) drive the second bevel gears (73) to rotate, the second bevel gears (73) drive the diversion rotating shaft (121) to rotate, the diversion baffle plate (122) is rotated to a vertical state from a horizontal state, and two sides of the gear box (9) are sealed.
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| CN202010328126.7A CN111412118B (en) | 2020-04-23 | 2020-04-23 | Heat dissipation mechanism for wind driven generator gear box |
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| CN202010328126.7A CN111412118B (en) | 2020-04-23 | 2020-04-23 | Heat dissipation mechanism for wind driven generator gear box |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112000202B (en) * | 2020-08-11 | 2023-06-09 | 南京信息职业技术学院 | Computer heat abstractor |
| CN111998059B (en) * | 2020-08-31 | 2022-12-20 | 重庆纳川重工设备制造有限公司 | Box body of gear box |
| CN112523978B (en) * | 2020-11-09 | 2021-07-20 | 赵涛 | Intelligent cooling equipment of wind driven generator |
| CN112867350B (en) * | 2020-12-31 | 2022-08-02 | 广东技术师范大学 | Intelligent heat dissipation type robot controller |
| CN113090479B (en) * | 2021-04-29 | 2022-04-12 | 中国华能集团清洁能源技术研究院有限公司 | Ash removal heat abstractor for aerogenerator |
| CN114352711A (en) * | 2021-12-01 | 2022-04-15 | 江苏海迪威液压有限公司 | Wind power gear box lubricating and cooling system suitable for low-temperature environment |
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