CN111412118A - Heat dissipation mechanism for gearbox of wind driven generator - Google Patents
Heat dissipation mechanism for gearbox of wind driven generator Download PDFInfo
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- CN111412118A CN111412118A CN202010328126.7A CN202010328126A CN111412118A CN 111412118 A CN111412118 A CN 111412118A CN 202010328126 A CN202010328126 A CN 202010328126A CN 111412118 A CN111412118 A CN 111412118A
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 121
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 133
- 238000001816 cooling Methods 0.000 claims abstract description 75
- 239000000498 cooling water Substances 0.000 claims abstract description 40
- 238000005192 partition Methods 0.000 claims abstract description 12
- 238000007664 blowing Methods 0.000 claims description 15
- 239000000428 dust Substances 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 7
- 239000012535 impurity Substances 0.000 claims description 5
- 238000005057 refrigeration Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 9
- 230000001360 synchronised effect Effects 0.000 abstract 1
- 230000005855 radiation Effects 0.000 description 6
- 230000003245 working effect Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000000191 radiation effect Effects 0.000 description 1
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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 clapboard is fixedly arranged in an outer case, the upper end of the clapboard is provided with a water-cooling heat dissipation mechanism which is connected with a heat dissipation pipe, the radiating pipe extends downwards to the lower part of the clapboard, the gear box is positioned in the middle of the lower end of the outer box, the connecting frames are fixedly connected with the lower ends of the partition plates, two groups of the connecting frames are arranged on the connecting frames and are respectively positioned on two sides of the gear box, the connecting frame is parallel to the side wall of the outer box provided with the heat dissipation port, the invention drives the air around the gear box to rapidly circulate through the two groups of heat dissipation fans, the low-temperature air dissipates the heat of the gear box, the air cooling circulation improves the heat dissipation effect on the gear box, meanwhile, cooling water circulating in the water-cooling heat dissipation mechanism conducts heat of the gear box, and the heat dissipation efficiency and the heat dissipation effect of the gear box are ensured by synchronous air cooling and water cooling.
Description
Technical Field
The invention relates to the technical field of heat dissipation of gear boxes, in particular to a heat dissipation mechanism for a gear box of a wind driven generator.
Background
The wind driven generator is an electric device which converts wind energy into mechanical work, the mechanical work drives a rotor to rotate, and alternating current is finally output. Its main function is that the power that produces the wind wheel under wind-force effect transmits for the generator and makes it obtain corresponding rotational speed, but, current aerogenerator gear box is after long-time work, and the gear of gear box crescent rotates and produces a large amount of heat energy to influence the working property of gear box, long-time high temperature leads to gear box inner structure to damage the life who influences the gear box, consequently need dispel the heat fast in order to improve the working property and the life of gear box to the gear box.
The publication number is: the patent of CN110375061A discloses a gear box heat dissipation system and gear with the same, compared with the present application, it cannot solve the problems proposed in the present application: the gear of current aerogenerator gear box is after long-time work, and the gear rotation of gear box crescent produces a large amount of heat energy, and the gear box radiating effect is poor to influence the working property of gear box, long-time high temperature leads to gear box inner structure to damage the life who influences the gear box, consequently need dispel the heat in order to improve the working property and the life of gear box fast to the gear box.
Disclosure of Invention
The invention aims to provide a heat dissipation mechanism for a gearbox of a wind driven generator, wherein two groups of heat dissipation fans drive air around the gearbox to rapidly circulate, low-temperature air dissipates heat of the gearbox, air cooling circulation improves the heat dissipation effect on the gearbox, meanwhile cooling water circulated in a water cooling heat dissipation mechanism conducts heat of the gearbox, and air cooling and water cooling are synchronously performed to ensure the heat dissipation efficiency and the heat dissipation effect of the gearbox.
The purpose of the invention can be realized by the following technical scheme:
a heat dissipation mechanism for a gear box of a wind driven generator comprises an outer case, a driving motor, a driving mechanism, a connecting frame, the gear box, a mounting frame, a heat dissipation fan and a guide plate, wherein a plurality of groups of first heat dissipation holes are formed in the upper portions of the left side wall and the right side wall of the outer case, heat dissipation ports are formed in the upper portions of the left side wall and the right side wall of the outer case, a plurality of groups of second heat dissipation holes are uniformly formed in the left end and the right end of the front side wall and the right end of the rear side wall of the outer case, a front cover plate is detachably mounted at the front end of the outer case, a horizontal partition plate is fixedly arranged in the outer case, a water-cooling heat dissipation mechanism is mounted at the upper end of the partition plate and connected with a heat dissipation pipe, the heat dissipation pipe extends downwards to the, the connecting frame is parallel to the side wall of the outer case provided with the heat dissipation port, the guide plates are provided with a plurality of groups and are uniformly installed on the connecting frame, each guide plate comprises a guide rotating shaft and a guide baffle, the guide rotating shafts are connected to the middle parts of the guide baffles, two ends of each guide rotating shaft are rotatably connected to the connecting frame, one end of each guide rotating shaft extends out of the connecting frame and is connected with the driving mechanism, the driving mechanism is connected to the output end of the driving motor, and the driving motor is fixedly installed on the partition plate; the heat dissipation fan is fixedly installed on the partition plate through the installation frame, the heat dissipation fan is provided with two groups and is respectively located on two sides of the gear box, the heat dissipation fan is parallel to the connection frame, and the heat dissipation fan is located between the connection 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 case, the dustproof baffles are positioned at the heat radiating openings and are arranged in a downward inclined mode, and one ends, close to the heat radiating openings, of the dustproof baffles are lower than one ends, close to the connecting frames.
Preferably, one end of the dustproof baffle, which is far away from the heat dissipation port, is connected with a dustproof net, and the dustproof nets are arranged at the first heat dissipation hole and the second heat dissipation hole.
Preferably, the water-cooling heat dissipation mechanism comprises a first side plate, a top plate, a third side plate, an L-type connecting plate, a fourth side plate, a first condenser, a circulating water tank, a water pump and a connecting pipe, wherein the L-type connecting plate is provided with two groups of connecting plates which are respectively connected to the front end and the rear end of the top plate, the first side plate is fixedly connected to the lower end of the L-type connecting plate, the third side plate is fixedly connected to the left side of the L-type connecting plate, the fourth side plate is fixedly connected to the right side of the L-type connecting plate, circulating cooling water is filled in the circulating water tank, a water filling port is arranged at the top of the circulating water tank and located 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.
Preferably, a through hole is formed in the middle of the fourth side plate, a cooling fan is fixedly mounted 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 roof lower extreme is provided with the second condenser, the second condenser with first condenser is located respectively the circulating water tank both sides, the second condenser is intake the end and is passed through the connecting pipe with first condenser goes out the water end and links to each other, the second condenser goes out the water end and passes through the connecting pipe with circulating water tank is intake the end and is linked to each other.
Preferably, L type connecting plate includes L type base plate and square pipe, L type base plate outside evenly is provided with a plurality of groups heat dissipation fin, square pipe fixed connection bestows on L type base plate is inboard, square pipe is last to be provided with inlet tube and outlet pipe, water pump play water end and rear side inlet tube on L type connecting plate links to each other, the rear side outlet pipe on L type connecting plate with the cooling tube end of intaking links to each other, cooling tube play water end and front end inlet tube on the L type connecting plate links to each other, the front end outlet pipe on the L type connecting plate passes through the connecting pipe with the first condenser end of intaking links to each other.
Preferably, actuating mechanism includes drive shaft, first helical gear and second helical gear, the drive shaft is connected the driving motor output, first helical gear fixed connection be in the drive shaft, first helical gear evenly be provided with a plurality of groups and with guide plate position corresponds with quantity, second helical gear fixed connection be in the water conservancy diversion pivot, the second helical gear with first helical gear meshing is linked.
Preferably, the two groups of cooling fans have the same blowing direction, the cooling pipe is located between the cooling fan and the gear box, and the blowing direction of the cooling pipe faces the gear box, and the cooling pipe is of a continuous S-shaped structure.
Preferably, the use method of the heat dissipation mechanism comprises the following specific steps:
the method comprises the following steps: the outer box is arranged outside the gear box, a large amount of heat energy is dissipated when the gear box works, the driving motor works to drive the driving shaft to rotate, the driving shaft drives the 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 rotates from a vertical state to a horizontal state, and air in the outer box circulates to dissipate heat of the gear box;
step two: the working of the cooling fans drives the air in the outer machine box to circulate, the blowing directions of the two sets of cooling fans are the same, so that an air circulation channel is formed between the outer machine box and the outside air, the heat energy dissipated by the working of the gear box is dissipated along with the circulated air, and a dust screen connected to the inner side wall of the outer machine box filters dust and sundries in the air;
pumping out circulating cooling water in a circulating water tank by using a water pump, enabling the cooling water to flow into a radiating pipe through an L-type connecting plate, enabling the radiating pipe to be close to a gear box, conducting heat emitted by the gear box through the cooling water flowing in the radiating pipe, enabling the cooling water with heat to flow into a first condenser through a L-type connecting plate, enabling heat of the cooling water to be radiated by a radiating fin plate arranged on a L-type connecting plate, enabling the cooling water to flow into the first condenser for refrigerating and cooling, then flowing into a second condenser for further cooling, enabling the cooled water to flow back into the circulating water tank for reuse, performing circulating water cooling heat radiation on the gear box, and enabling a cooling fan to perform blowing heat radiation on the first condenser, the second condenser, the circulating water tank and the water pump when performing water cooling heat radiation on the circulating water tank;
step four: when the gear box stops working, the water-cooling heat dissipation mechanism stops conducting heat dissipation work on 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 the multiple 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 plates are rotated to the vertical state from the horizontal state, and two sides of the gear box are sealed.
The invention has the beneficial effects that: the outer box is arranged outside the gear box, a large amount of heat energy is dissipated when the gear box works, the driving motor works to drive the driving shaft to rotate, the driving shaft drives the 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 plate is rotated from a vertical state to a horizontal state, so that the air in the outer box is ensured to be communicated with the outside air to dissipate heat of the gear box; the heat energy of the gear box is rapidly dissipated, the heat dissipation fans work to drive air in the outer box to circulate, one group of heat dissipation fans blow external cold air into the outer box, the other group of heat dissipation fans blow hot air in the outer box into the outside, the heat energy dissipated by the gear box during working is dissipated along with the circulated air, and the heat dissipation effect of the gear box is improved through air cooling circulation; when air cooling and heat dissipation are carried out, dust impurities in the outside air enter the outer machine box due to circulation of the air to influence the working performance of the gear box, and the dust impurities in the air are filtered through the dust screen connected to the inner side wall of the outer machine box, so that the purity of the air entering the outer machine box is effectively ensured;
the water pump works to pump out circulating cooling water in the circulating water tank, the cooling water flows into the radiating pipe through the L-type connecting plate, the radiating fin plate arranged on the L-type connecting plate can effectively radiate heat energy of the cooling water, so that the low temperature of the cooling water is ensured to radiate the gear box, the radiating pipe is close to the gear box, the heat radiated by the gear box is conducted through the cooling water flowing in the radiating pipe, the high-temperature heat energy in the air conducts the cooling water in the radiating pipe through heat conduction, further conduction and radiation of the gear box are realized, the cooling water with heat flows into the first condenser through the L-type connecting plate, the radiating fin plate arranged on the L-type connecting plate radiates the heat energy of the cooling water, so that preliminary heat radiation is realized, then the cooling water enters the first condenser for refrigeration and cooling, then flows into the second condenser for further cooling, so that the cooling water is in a low-temperature state when flowing back into the circulating water tank, the cooled water flows back into the circulating water tank for reuse, so that the circulating water cooling fan works to perform circulating water cooling heat radiation to ensure the internal heat radiation effect of the water cooling circulation and the radiating mechanism;
when the gear box stops working, the water-cooling heat dissipation mechanism stops heat dissipation work on 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 the 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 flow guide rotating shafts to rotate, the flow guide baffle plates are rotated from a horizontal state to a vertical state, two sides of the gear box are sealed, the gear box is guaranteed to be stored in a sealed mode in a non-working state, and the gear box is prevented from being influenced by an external;
drive the quick circulation of air around the gear box through two sets of radiator fan, the low temperature air gives off the gear box heat, and the forced air cooling circulation improves the radiating effect to the gear box, and the cooling water of water-cooling heat dissipation mechanism inner loop circulation conducts the heat of gear box simultaneously, and forced air cooling and water-cooling guarantee the radiating efficiency and the radiating effect of gear box in step.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic view 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 structural diagram of a water-cooling heat dissipation mechanism according to the present invention;
FIG. 5 is an isometric view of FIG. 4 of the present invention;
FIG. 6 is a schematic view of a water flow structure of the water cooling mechanism according to the present invention;
FIG. 7 is a schematic view of the internal structure of the water-cooling heat dissipation mechanism according to the present invention;
FIG. 8 is an isometric view of FIG. 7 of the present invention;
FIG. 9 is a schematic structural view of L-type connecting plates according to the invention;
FIG. 10 is a schematic view of the drive mechanism of 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 structure according to the present invention;
FIG. 13 is a schematic view of a heat pipe according to the present invention;
FIG. 14 is a schematic view of the structure of the connecting frame of the present invention;
in the drawing, the air conditioner comprises an outer box 1, a first heat dissipation hole 101, a second heat dissipation hole 102, a heat dissipation hole 103, a heat dissipation hole 104, a front cover plate 105, a dustproof baffle plate 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, a 34-L type connecting plate, a 341-L type base plate, a 342-square tube, a 343-radiating fin plate, a 344-water inlet tube 345, a water outlet tube 35, a fourth side plate 36, a cooling fan 37, a first condenser 38, a second condenser 39, a circulating water tank 391, a water tank cover 310, a water pump 311, a connecting tube 312-cooling through groove 4, a heat dissipation tube 5, a driving motor 6, a dustproof net 7, a driving mechanism 71, a driving shaft 72, a first bevel gear 73, a second bevel gear 8, a connecting frame 9, a gear box 10, a mounting frame 11, a heat dissipation fan 12, a guide plate 121, a guide rotating shaft 122 and a guide baffle plate.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood 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.
Referring to fig. 1-14, a heat dissipation mechanism for a gearbox of a wind turbine generator comprises an outer casing 1, a driving motor 5, a driving mechanism 7, a connecting frame 8, a gearbox 9, a mounting frame 10, a heat dissipation fan 11 and a guide plate 12, wherein a plurality of groups of first heat dissipation holes 101 are formed in the upper portions of the left and right side walls of the outer casing 1, heat dissipation ports 103 are formed in the upper portions of the left and right side walls of the outer casing 1, a plurality of groups of second heat dissipation holes 102 are uniformly formed in the left and right ends of the front and rear side walls of the outer casing 1, a front cover plate 104 is detachably mounted at the front end of the outer casing 1, a horizontal partition plate 2 is fixedly arranged in the outer casing 1, a water-cooling heat dissipation mechanism 3 is mounted at the upper end of the partition plate 2, a heat dissipation pipe 4 is connected to the water-cooling heat dissipation mechanism 3, the connecting frames 8 are provided with two groups 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 case 1 provided with the heat radiating port 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 shaft 121 is connected to the middle part of the guide baffle 122, 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 frame 8 to be connected with the driving mechanism 7, the driving mechanism 7 is connected to the output end of the driving motor 5; radiator fan 11 passes through mounting bracket 10 fixed mounting on baffle 2, and radiator fan 11 is provided with two sets ofly and is located gear box 9 both sides respectively, and radiator fan 11 and link 8 parallel arrangement, radiator fan 11 are located between link 8 and 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 opening 103, the dustproof baffles 105 are arranged in a downward inclined mode, and one end, close to the heat dissipation opening 103, of the dustproof baffles 105 is lower than one end, close to the connecting frame 8, of the dustproof baffles 105.
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 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 circulating water tank 39, a water pump 310 and a connecting pipe 311, wherein the L-shaped connecting plate 34 is provided with two groups of connecting plates which are respectively connected to the front end and the rear end of the top plate 32, the first side plate 31 is fixedly connected to the lower end of the L-shaped connecting plate 34, the third side plate 33 is fixedly connected to the left side of the L-shaped connecting plate 34, the fourth side plate 35 is fixedly connected to the right side of the L-shaped connecting plate 34, circulating cooling water is filled in the circulating water tank 39, a water filling port is arranged at the top of the circulating water tank 39 and positioned above the top plate 32, a water tank cover 391 is connected to the water filling port of the circulating water tank 39, the water outlet end of the water pump 310 is connected.
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.
The lower end of the top plate 32 is provided with a second condenser 38, the second condenser 38 and the first condenser 37 are respectively positioned 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 a 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 a connecting pipe 311.
The L type connecting plate 34 comprises a L type base plate 341 and a square tube 342, a plurality of groups of radiating fins 343 are uniformly arranged on the outer side of the L type base plate 341, the square tube 342 is fixedly connected to the inner side of the L type 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 rear L type connecting plate 34, the water outlet tube 345 on the rear L type connecting plate 34 is connected with the water inlet end of the radiating tube 4, the water outlet end of the radiating tube 4 is connected with the water inlet tube 344 on the front L type connecting plate 34, and the water outlet tube 345 on the front L type.
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 positions and the number of the guide plates 12, the second bevel gear 73 is fixedly connected to the guide rotating shaft 121, and the second bevel gear 73 is meshed and connected with the first bevel gear 72.
The two sets of heat dissipation fans 11 have the same blowing direction, the heat dissipation pipe 4 is located between the heat dissipation fans 11 facing the gear box 9 and the gear box 9 in the blowing direction, and the heat dissipation pipe 4 is in a continuous S-shaped structure.
The use method of the heat dissipation mechanism comprises the following specific steps:
the method comprises the following steps: the outer case 1 is installed outside the gear box 9, a large amount of heat energy is dissipated when the gear box 9 works, the driving motor 5 works to drive the driving shaft 71 to rotate, the driving shaft 71 drives the multiple 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 shafts 121 to rotate, the diversion baffles 122 are rotated from the vertical state to the horizontal state, and air in the outer case 1 circulates to dissipate heat of the gear box 9;
step two: the heat dissipation fans 11 work to drive air in the outer case 1 to circulate, the blowing directions of the two groups of heat dissipation fans 11 are the same, so that an air circulation channel is formed between the outer case 1 and outside air, heat energy dissipated by the work of the gear box 9 is dissipated along with the circulated air, and dust screens 6 connected to the inner side wall of the outer case 1 filter dust and impurities in the air;
step three, the water pump 310 works to pump out circulating cooling water in the circulating water tank 39, the cooling water flows into the radiating pipe 4 through the L-type connecting plate 34, the radiating pipe 4 is close to the gear box 9, the heat dissipated by the gear box 9 is conducted through the cooling water flowing in the radiating pipe 4, the cooling water with heat flows into the first condenser 37 through the L-type connecting plate 34, the heat dissipation fin plate 343 arranged on the L-type connecting plate 34 dissipates the heat of the cooling water, the cooling water enters the first condenser 37 for refrigeration cooling and then flows into the second condenser 38 for further cooling, the cooled water flows back into the circulating water tank 39 for repeated use, the gear box 9 is cooled and dissipated by circulating water, and when the circulating water tank 39 dissipates heat by water cooling, the cooling fan 36 works to dissipate heat by blowing 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 performing heat dissipation work on 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 multiple 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 shafts 121 to rotate, the diversion baffles 122 are rotated to the vertical state from the horizontal state, and two sides of the gear box 9 are sealed.
When the cooling water circulation type condenser is used, an outer case 1 is installed outside a gear box 9, a large amount of heat energy is dissipated when the gear box 9 works, a driving motor 5 works to drive a 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 second bevel gears 73 to rotate, the second bevel gears 73 drive a diversion rotating shaft 121 to rotate, a diversion baffle 122 rotates from a vertical state to a horizontal state, air in the outer case 1 circulates to dissipate heat energy, a cooling fan 11 works to drive air in the outer case 1 to circulate, air flows in the outer case 1 in the same blowing direction, an air circulation channel is formed between the outer case 1 and outside air, heat energy dissipated by the gear box 9 in the working process is dissipated along with the circulated air, a dustproof net 6 connected to the inner side wall of the outer case 1 filters dust impurities in the air, a water pump 310 works to pump out circulating cooling water in a circulating water tank 39, the cooling water flows into a cooling pipe 4 through a L type connecting plate 34, the cooling water tank 4 is close to the gear box 9, the cooling water tank 4 flows into a cooling water tank 37 through the water cooling tank 34, the water cooling mechanism 34 drives a plurality of the water cooling tank 34 to drive a condenser 34 to rotate, the heat dissipation water cooling tank 34, the heat dissipation mechanism 39, the heat dissipation condenser 7 drives the heat dissipation water cooling tank to cool the condenser 34, the condenser 7, the condenser 7 drives the condenser 7, the condenser.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms 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 utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (10)
1. 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 guide plate (12), and is characterized in that a plurality of groups of first heat dissipation holes (101) are formed in the upper portions of the left side wall and the right side wall of the outer case (1), heat dissipation ports (103) are formed in the upper portions of the left side wall and the right side wall of the outer case (1), a plurality of groups of second heat dissipation holes (102) are uniformly formed in the left end and the right end of the front side wall and the rear side wall of the outer case (1), a front cover plate (104) is detachably mounted 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, the heat dissipation pipe (4) downwards extends into the lower part of the partition board (2), the gear box (9) is positioned in the middle of the lower end of the outer case (1), the connecting frame (8) is fixedly connected with the lower end of the partition board (2), the connecting frame (8) is provided with two groups and is respectively positioned on two sides of the gear box (9), the connecting frame (8) is parallel to the side wall of the outer case (1) provided with the heat dissipation port (103), the guide plate (12) is provided with a plurality of groups and is uniformly arranged on the connecting frame (8), the guide plate (12) comprises a guide rotating shaft (121) and a guide baffle plate (122), the guide rotating shaft (121) is connected in the middle of the guide baffle plate (122), two ends of the guide rotating shaft (121) are rotatably connected on the connecting frame (8), one end of the guide rotating shaft (121) extends out 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); radiator fan (11) pass through mounting bracket (10) fixed mounting be in on baffle (2), radiator fan (11) are provided with two sets ofly and are located respectively gear box (9) both sides, radiator fan (11) with link (8) parallel arrangement, radiator fan (11) are located link (8) with between gear box (9).
2. The heat dissipation mechanism for the gearbox of the wind driven generator according to claim 1, wherein a plurality of sets of dust-proof baffles (105) are uniformly arranged on the left inner side wall and the right inner side wall of the outer chassis (1), the dust-proof baffles (105) are positioned at the heat dissipation port (103), the dust-proof baffles (105) are arranged in a downward inclined manner, and one end of each dust-proof baffle (105) close to the heat dissipation port (103) is lower than one end close to the connecting frame (8).
3. The heat dissipation mechanism for the wind driven generator gearbox as claimed in claim 2, wherein a dust screen (6) is connected to an end of the dust baffle (105) away from the heat dissipation port (103), and the dust screen (6) is disposed at each of the first heat dissipation hole (101) and the second heat dissipation hole (102).
4. The heat dissipation mechanism for the wind driven generator gearbox as claimed in claim 1, wherein 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 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 plates which are respectively connected to the front end and the rear end of the top plate (32), the first side plate (31) is fixedly connected to the lower end of the L-shaped connecting plate (34), the third side plate (33) is fixedly connected to the left side of the L-shaped connecting plate (34), the fourth side plate (35) is fixedly connected to the right side of the L-shaped connecting plate (34), the circulating water tank (39) is filled with circulating cooling water, a water filling port is arranged at the top of the circulating water tank (39), the water filling port is positioned above the top plate (32), a water filling port of the water tank is connected with a water tank cover (39), a water outlet of the circulating water tank (39) is connected with the water pump (391) through the connecting pipe (310), the connecting pipe (311) is connected with a water outlet end of the first side plate (37), and the first side plate (37) is connected with a water outlet end of the water outlet.
5. The heat dissipation mechanism for the gearbox of the wind driven generator as recited in claim 4, 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).
6. The heat dissipation mechanism for the gearbox of the wind driven generator as claimed in claim 4, 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 arranged 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).
7. The heat dissipation mechanism for the gearbox of the wind driven generator as claimed in claim 4, wherein the L-type connecting plate (34) comprises a L-type 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-type base plate (341), the square tube (342) is fixedly connected to the inner side of the L-type base plate (341), the square tube (342) is provided with a water inlet tube (344) and a water outlet tube (345), the water outlet end of the water pump (310) is connected to the water inlet tube (344) on the L-type connecting plate (34) on the rear side, the water outlet tube (345) on the L-type connecting plate (34) on the rear side is connected to the water inlet ends of the heat dissipation tubes (4), the water outlet ends of the heat dissipation tubes (4) are connected to the water inlet tube (344) on the L-type connecting plate (34) on the front end, and the water outlet tube (345) on the L-type connecting plate (34.
8. The heat dissipation mechanism for the wind driven generator gearbox is characterized in that 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 positions and the numbers of the guide plates (12), the second bevel gear (73) is fixedly connected to the guide rotating shaft (121), and the second bevel gear (73) is meshed and connected with the first bevel gear (72).
9. The heat dissipating mechanism for a gearbox of a wind turbine generator as claimed in claim 1, wherein the blowing directions of the two sets of heat dissipating fans (11) are the same, the heat dissipating pipe (4) is located between the heat dissipating fans (11) and the gearbox (9) facing the gearbox (9) in the blowing directions, and the heat dissipating pipe (4) has a continuous S-shaped structure.
10. The heat dissipation mechanism for the gearbox of the wind driven generator as claimed in any one of claims 1 to 9, wherein the use method of the heat dissipation mechanism comprises the following specific steps:
the method comprises the following steps: the outer case (1) is installed outside the gear box (9), a large amount of heat energy is dissipated when the gear box (9) works, the driving motor (5) works to drive the driving shaft (71) to rotate, the driving shaft (71) drives the multiple 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 shafts (121) to rotate, the diversion baffles (122) are rotated to the horizontal state from the vertical state, and air in the outer case (1) circulates to dissipate heat of the gear box (9);
step two: the heat dissipation fans (11) work to drive air in the outer case (1) to circulate, the blowing directions of the two sets of heat dissipation fans (11) are the same, so that an air circulation channel is formed between the outer case (1) and outside air, heat energy dissipated by the gear box (9) during working is dissipated along with the circulated air, and a dust screen (6) connected to the inner side wall of the outer case (1) filters dust and impurities in the air;
step three, the water pump (310) works to pump out circulating cooling water in the circulating water tank (39), the cooling water flows into the radiating pipe (4) through an L-type connecting plate (34), the radiating pipe (4) is close to the gear box (9), the heat dissipated from the gear box (9) is conducted through the cooling water flowing in the radiating pipe (4), the cooling water with the heat flows into the first condenser (37) through a L-type connecting plate (34), the cooling water heat is dissipated through a radiating fin plate (343) arranged on a L-type connecting plate (34), the cooling water enters the first condenser (37) for refrigeration and cooling and then flows into the second condenser (38) for further cooling, the cooled water flows back into the circulating water tank (39) for repeated use, the circulating water cooling heat dissipation is carried out on the gear box (9), and when the circulating water cooling heat dissipation is carried out on the circulating water tank (39), the cooling fan (36) works to blow air to 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 performing heat dissipation work on the gear box (9), the heat dissipation fan (11) stops rotating, the driving motor (5) works to drive the driving shaft (71) to rotate, the driving shaft (71) drives the multiple 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) is rotated to the vertical state from the 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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| CN112867350A (en) * | 2020-12-31 | 2021-05-28 | 广东技术师范大学 | Intelligent heat dissipation type robot controller |
| CN113090479A (en) * | 2021-04-29 | 2021-07-09 | 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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