CN115987028A - Large-torque servo motor for fan generator - Google Patents
Large-torque servo motor for fan generator Download PDFInfo
- Publication number
- CN115987028A CN115987028A CN202310261471.7A CN202310261471A CN115987028A CN 115987028 A CN115987028 A CN 115987028A CN 202310261471 A CN202310261471 A CN 202310261471A CN 115987028 A CN115987028 A CN 115987028A
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- Prior art keywords
- heat dissipation
- motor
- notch
- cylinder
- reduction gearbox
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- 230000017525 heat dissipation Effects 0.000 claims abstract description 92
- 230000009467 reduction Effects 0.000 claims abstract description 51
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 238000001816 cooling Methods 0.000 claims description 54
- 239000000314 lubricant Substances 0.000 claims description 11
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 7
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 7
- 241001330002 Bambuseae Species 0.000 claims description 7
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 7
- 239000011425 bamboo Substances 0.000 claims description 7
- 230000008859 change Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000032683 aging Effects 0.000 description 3
- 230000003111 delayed effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000003974 emollient agent Substances 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Images
Classifications
-
- 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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- Motor Or Generator Cooling System (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention belongs to the technical field of servo motors, and particularly relates to a high-torque servo motor for a fan generator, which comprises a motor main body and a reduction gearbox, wherein a gear set is arranged in the reduction gearbox, the motor main body comprises a main shaft, the main shaft is in transmission connection with the gear set, a heat dissipation assembly is arranged between the motor main body and the reduction gearbox, the heat dissipation assembly comprises a heat dissipation cylinder and a heat dissipation part, two ends of the heat dissipation cylinder are respectively and fixedly connected with the motor main body and the reduction gearbox, the main shaft penetrates through the heat dissipation cylinder, and the heat dissipation part is positioned in the heat dissipation cylinder and is fixedly connected with the main shaft. The invention is used for solving the problems that the output shaft of the motor body is difficult to radiate heat and the running performance of the motor body is seriously influenced in the prior art.
Description
Technical Field
The invention belongs to the technical field of servo motors, and particularly relates to a large-torque servo motor for a fan generator.
Background
The wind power generator is an electric power device which converts wind energy into mechanical work, and the mechanical work drives a rotor to rotate so as to finally output alternating current. The wind-driven generator generally comprises wind wheels, a generator (including a device), a direction regulator (empennage), a tower frame, a speed-limiting safety mechanism, an energy storage device and other components.
Because the change of the ambient wind speed is uncontrollable, when the wind speed is overlarge, the output power of the fan is easily overhigh, and the fan is damaged. Therefore, in the prior art, a variable-pitch wind turbine generator system is designed, when the wind speed changes, the whole blade is driven to rotate around the central axis of the blade by a large-torque servo motor, so that the attack angle of the blade is changed within a certain range (generally 0-90 degrees), and the output power is adjusted not to exceed a design allowable value.
The large-torque servo motor used at present mostly comprises a motor body and a reduction gearbox, and the torque output by the motor body is increased through the reduction gearbox, so that the servo motor can smoothly drive the blades to change the angle.
However, in the prior art, most of reduction boxes are directly and fixedly mounted on the motor body, the output shaft of the motor body is difficult to dissipate heat, the running performance of the motor body is seriously affected, and due to the fact that the working temperatures of the output shaft and the gear are too high, after the motor body works for a long time, the aging speed of the output shaft and the gear is high, and the later maintenance cost is increased.
Disclosure of Invention
The purpose of the invention is: the utility model provides a big moment of torsion servo motor for fan generator for solve prior art the output shaft of motor body and be difficult to the heat dissipation, seriously influence the problem of motor body running performance.
In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows:
a large-torque servo motor for a fan generator comprises a motor main body and a reduction gearbox, wherein a gear set is arranged in the reduction gearbox, the motor main body comprises a main shaft, the main shaft is in transmission connection with the gear set, a heat dissipation assembly is arranged between the motor main body and the reduction gearbox, the heat dissipation assembly comprises a heat dissipation cylinder and a heat dissipation piece, two ends of the heat dissipation cylinder are fixedly connected with the motor main body and the reduction gearbox respectively, the main shaft penetrates through the heat dissipation cylinder, and the heat dissipation piece is located in the heat dissipation cylinder and fixedly connected with the main shaft.
Through adopting above-mentioned technical scheme, set up radiator unit between motor main part and reducing gear box, dispel the heat to the main shaft through the radiating piece, can be fast with the heat diffusion that produces on the main shaft, avoid the main shaft high temperature, influence motor main part operating performance.
Further prescribe a limit, the radiating piece includes heat dissipation sleeve and a plurality of fin, and a plurality of the fin is the angle setting outside the circumference of heat dissipation sleeve, the fixed cover of heat dissipation sleeve is established on the main shaft of motor main part.
By adopting the technical scheme, when the main shaft rotates, the heat radiating piece can be driven to rotate, so that the heat radiating piece rotates to disturb airflow, the heat of the main shaft is diffused outwards, and the temperature of the main shaft is reduced.
Further inject, heat dissipation section of thick bamboo inner space is the heat dissipation chamber, the cross-section in heat dissipation chamber is the cam form, the heat dissipation chamber includes first region and second region, first notch and second notch have been seted up on the heat dissipation section of thick bamboo, first notch and first region intercommunication, second notch and second region intercommunication.
Through adopting above-mentioned technical scheme, when motor main part drive main shaft clockwise rotated, the fin in the first region pressed the gas in the first region to the external world from first notch department, and the fin in the second region inhales external gas in the second region from second notch department. When the main shaft of the motor body drives the main shaft to rotate anticlockwise, the radiating fins in the first area suck outside air into the first area from the first notch, and the radiating fins in the second area press the air in the second area to the outside from the second notch. The internal and external air is circulated, so as to quickly dissipate heat.
Further inject, first notch is provided with a plurality ofly, and is a plurality of the equal first regional side of first notch and with first regional intercommunication, it is a plurality of first notch is along the equiangular distribution of heat dissipation section of thick bamboo circumference, the second notch is provided with two, two the second notch all is the arc.
Through adopting above-mentioned technical scheme, guarantee that the gas in first region and the second region can exchange with external gas smoothly.
Further limiting, a cooling pipe is laid at the inner bottom of the reduction gearbox, one end of the cooling pipe penetrates through the side wall of the reduction gearbox and protrudes out of the reduction gearbox, and the other end of the cooling pipe is communicated with the second notch.
By adopting the technical scheme, when air flows through the cooling pipe, the heat inside the reduction gearbox can be absorbed, and the reduction of the reduction gearbox is realized.
Further limiting, a cooling ring is communicated between the air outlet end of the cooling pipe and the second notch, and the cooling ring is arranged on the inner wall of the reduction box close to the motor body end.
By adopting the technical scheme, the cooling ring can be used for dissipating heat at the joint of the reduction gearbox and the main shaft.
Further prescribe that the reduction box inner wall is close to the one end of motor main part and has seted up the slot, the slot communicates with the cooling ring, the heat dissipation section of thick bamboo is provided with in the second notch and inserts the ring, insert the ring and locate in the slot.
Through adopting above-mentioned technical scheme, through inserting ring and slot, make the second region and cooling ring intercommunication, can drive the circulation of air in the cooling tube smoothly through the fin to absorb the temperature in the gear box.
Further limiting, the bottom in the reduction gearbox is filled with a lubricant, and the cooling pipe is immersed in the lubricant.
By adopting the technical scheme, the cooling pipe absorbs the temperature of the lubricant, so that the aim of reducing the temperature in the reduction gearbox is fulfilled.
Further prescribe a limit, the both ends of a heat dissipation section of thick bamboo all are provided with the installation ear, seted up the fixed orifices on the installation ear, all seted up the screw hole on motor main body and the reducing gear box.
By adopting the technical scheme, the fixed connection of the heat dissipation cylinder, the motor main body and the reduction gearbox is realized.
The invention adopting the technical scheme has the advantages that:
1. through set up radiator unit between motor main part and reducing gear box, when the main shaft rotates, can drive the radiating piece and rotate, through the change of regional size between two adjacent fin and the heat dissipation section of thick bamboo inner wall, with the gas pressure in the heat dissipation chamber to external world or with external gas suction heat dissipation chamber, realize gas exchange, the heat that the main shaft gived off can dispel outward fast, avoid appearing the condition that the main shaft high temperature influences motor body operating performance.
2. Through setting up the cooling tube, the cooling tube passes through the heat dissipation ring and communicates with the heat dissipation chamber, and when the fin rotated, the air that can drive in the cooling tube flowed to reduce the heat in the emollient, avoid the speed reducer incasement high temperature.
Drawings
The invention is further illustrated by the non-limiting examples given in the accompanying drawings;
FIG. 1 is a schematic structural diagram of a high torque servo motor for a wind turbine generator according to the present invention;
FIG. 2 is a schematic diagram of a split structure of a high-torque servo motor for a fan generator according to the present invention;
FIG. 3 is a schematic diagram of an internal structure of a heat dissipation assembly in a high-torque servo motor for a fan generator according to the present invention;
FIG. 4 is a schematic diagram of the internal structure of a reduction gearbox in a high-torque servo motor for a fan generator according to the present invention;
FIG. 5 is a schematic plane view of a heat dissipation assembly of a high torque servo motor for a wind turbine generator according to the present invention;
the main component symbols are as follows:
the cooling device comprises a motor body 1, a main shaft 11, a reduction gearbox 2, a gear set 21, a slot 22, a heat dissipation component 3, a heat dissipation cylinder 31, a mounting lug 311, a first notch 312, a second notch 313, an insert ring 314, a heat dissipation part 32, a heat dissipation sleeve 321, a heat dissipation fin 322, a first area 41, a second area 42, a cooling pipe 5 and a cooling ring 6.
Detailed description of the preferred embodiments
The present invention will be described in detail with reference to the drawings and specific embodiments, wherein like reference numerals are used for similar or identical parts in the drawings or the description, and implementations not shown or described in the drawings are known to those of ordinary skill in the art. In addition, directional terms, such as "upper", "lower", "top", "bottom", "left", "right", "front", "rear", etc., used in the embodiments are only directions referring to the drawings, and are not intended to limit the scope of the present invention.
As shown in fig. 1 to 5, the large-torque servo motor for the fan generator comprises a motor main body 1 and a reduction gearbox 2, wherein a gear set 21 is arranged in the reduction gearbox 2, the motor main body 1 comprises a main shaft 11, the main shaft 11 is in transmission connection with the gear set 21, a heat dissipation assembly 3 is arranged between the motor main body 1 and the reduction gearbox 2, and the heat dissipation assembly 3 comprises a heat dissipation cylinder 31 and a heat dissipation piece 32.
In this embodiment, the two ends of the heat dissipating cylinder 31 are both provided with mounting lugs 311, the mounting lugs 311 are provided with fixing holes, the motor body 1 and the reduction gearbox 2 are both provided with threaded holes, and the two ends of the heat dissipating cylinder 31 can be respectively fixedly connected with the motor body 1 and the reduction gearbox 2 through fixing bolts.
The main shaft 11 penetrates through the heat dissipation cylinder 31, the heat dissipation member 32 is located in the heat dissipation cylinder 31, the heat dissipation member 32 comprises a heat dissipation sleeve 321 and a plurality of heat dissipation fins 322, the plurality of heat dissipation fins 322 are arranged on the outer side of the circumference of the heat dissipation sleeve 321 at equal angles, and the heat dissipation sleeve 321 is fixedly sleeved on the main shaft 11 of the motor main body 1. In this embodiment, the heat dissipation sleeve 321 is preferably made of a material with high thermal conductivity, such as copper, aluminum, etc., so as to quickly dissipate the heat of the spindle 11.
The inner space of the heat dissipation cylinder 31 is a heat dissipation cavity, the heat dissipation cavity comprises a first area 41 and a second area 42, a first notch 312 and a second notch 313 are formed in the heat dissipation cylinder 31, the first notch 312 is communicated with the first area 41, and the second notch 313 is communicated with the second area 42. In this embodiment, the cross section of the heat dissipation cavity is cam-shaped, and the spindle 11 drives the heat dissipation fins 322 to rotate, so that the area between two adjacent heat dissipation fins 322 and the inner wall of the heat dissipation cylinder 31 is constantly changed, thereby generating pressure or suction force, and realizing the exchange of the inside and outside air of the heat dissipation cylinder 31, so as to dissipate heat quickly.
In this embodiment, the first notches 312 are provided in plural, the first notches 312 are all on the side of the first region 41 and communicate with the first region 41, the first notches 312 are distributed at equal angles along the circumference of the heat dissipating cylinder 31, the number of the second notches 313 is two, and the two second notches 313 are both arc-shaped. When the heat dissipation fins 322 rotate to any position, the area between two adjacent heat dissipation fins 322 can be communicated with the outside, so that the heat dissipation fins 322 are prevented from being damaged due to pressure change.
The cooling pipe 5 has been laid to the interior bottom of reducing gear box 2, and the intercommunication has cooling ring 6 between the end of giving vent to anger of cooling pipe 5 and second notch 313, and slot 22 has been seted up to the one end that the reducing gear box 2 inner wall is close to motor body 1, slot 22 and cooling ring 6 intercommunication, and heat-dissipating cylinder 31 is provided with in second notch 313 and inserts ring 314, inserts ring 314 and inserts and locate in slot 22. One end of the cooling pipe 5 penetrates through the side wall of the reduction gearbox 2 and protrudes out of the reduction gearbox 2, the other end of the cooling pipe is communicated with the cooling ring 6, and the cooling ring 6 is communicated with the second notch 313 through the slot 22. The cooling tube 5 absorbs the temperature in the reduction gearbox 2, and when the cooling fins 322 rotate, the cooling tube 5 can be driven to flow, so that the cooling tube 5 is cooled, and the temperature in the reduction gearbox 2 is reduced.
In this embodiment, the bottom of the reduction gearbox 2 is filled with lubricant, and the bottom of the gear set 21 in the reduction gearbox 2 is immersed in the lubricant. When the gear rotates, the lubricant can be adhered to the gear which is meshed with the gear, on one hand, the abrasion speed of the gear is delayed, and on the other hand, the lubricant on the gear can absorb heat on the gear to cool the gear.
The cooling pipe 5 is immersed in the lubricant, and the lubricant is cooled through the cooling pipe 5, so that the gear set 21 in the reduction gearbox 2 is cooled, and the gear aging speed is delayed.
The invention relates to a heat dissipation principle of a large-torque servo motor for a fan generator, which comprises the following steps:
when the motor body 1 drives the spindle 11 to rotate clockwise, the area between two adjacent cooling fins 322 in the first area 41 and the inner wall of the cooling cylinder 31 becomes smaller gradually, and the pressure is increased, so that the gas in the first area 41 is pressed to the outside from the first notch 312;
the area between two adjacent cooling fins 322 in the second area 42 and the inner wall of the heat radiating cylinder 31 gradually becomes larger, and the pressure is reduced, so that the outside air is sucked into the second area 42 through the cooling pipe 5, the cooling ring 6 and the second notch 313 in sequence. Gas flow is achieved.
When the motor body 1 drives the main shaft 11 to rotate anticlockwise, the area between two adjacent radiating fins 322 in the first area 41 and the inner wall of the radiating cylinder 31 is gradually enlarged, the pressure is reduced, and therefore outside air is sucked into the first area 41 from the first notch 312;
the area between two adjacent cooling fins 322 in the second area 42 and the inner wall of the heat radiation cylinder 31 gradually becomes smaller, and the pressure is increased, so that the gas in the second area 42 is pressed to the outside through the second notch 313, the cooling ring 6 and the cooling pipe 5 in sequence.
When the gas flows, the heat in the reduction gearbox 2 and the heat dissipation cavity is transferred to the outside, the situation that the running performance of the motor body is affected due to overhigh temperature of the main shaft 11 and the reduction gearbox 2 is avoided, and the situation that the temperature of the working environment of the gear set 21 is high and the aging speed is high is avoided.
The high-torque servo motor for the fan generator provided by the invention is described in detail above. The description of the specific embodiments is only intended to facilitate an understanding of the method of the invention and its core ideas. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (9)
1. The utility model provides a big moment of torsion servo motor for fan generator, includes motor main part and reducing gear box, be provided with the gear train in the reducing gear box, motor main part includes the main shaft, the main shaft is connected its characterized in that with the gear train transmission: the cooling device comprises a motor main body, a speed reduction box and a heat dissipation assembly, wherein the motor main body is arranged in the speed reduction box, the heat dissipation assembly is arranged between the motor main body and the speed reduction box and comprises a heat dissipation cylinder and a heat dissipation piece, two ends of the heat dissipation cylinder are fixedly connected with the motor main body and the speed reduction box respectively, the main shaft penetrates through the heat dissipation cylinder, and the heat dissipation piece is located in the heat dissipation cylinder and is fixedly connected with the main shaft.
2. A high torque servo motor for a wind turbine generator as claimed in claim 1, wherein: the heat dissipation part comprises a heat dissipation sleeve and a plurality of heat dissipation fins, the heat dissipation fins are arranged on the outer side of the circumference of the heat dissipation sleeve at equal angles, and the heat dissipation sleeve is fixedly sleeved on a main shaft of the motor main body.
3. A high torque servo motor for a wind turbine generator as claimed in claim 2, wherein: the heat dissipation device comprises a heat dissipation cylinder and is characterized in that the inner space of the heat dissipation cylinder is a heat dissipation cavity, the cross section of the heat dissipation cavity is in a cam shape, the heat dissipation cavity comprises a first area and a second area, a first notch and a second notch are formed in the heat dissipation cylinder, the first notch is communicated with the first area, and the second notch is communicated with the second area.
4. A high torque servo motor for a wind turbine generator as claimed in claim 3 wherein: the first notch is provided with a plurality of, and is a plurality of the equal first regional side of first notch and with first regional intercommunication, it is a plurality of angular distribution such as a heat dissipation section of thick bamboo circumference is followed to first notch, the second notch is provided with two, two the second notch all is the arc.
5. A high torque servo motor for a wind turbine generator as claimed in claim 4 wherein: and a cooling pipe is laid at the inner bottom of the reduction gearbox, one end of the cooling pipe penetrates through the side wall of the reduction gearbox and protrudes out of the reduction gearbox, and the other end of the cooling pipe is communicated with the second notch.
6. A high torque servo motor for a wind turbine generator as claimed in claim 5 wherein: and a cooling ring is communicated between the cooling pipe and the second notch, and the cooling ring is arranged on the inner wall of the reduction gearbox close to the end of the motor body.
7. A high torque servo motor for a wind turbine generator as claimed in claim 6 wherein: the cooling device comprises a cooling cylinder, a motor body, a motor, a reduction gearbox and a cooling cylinder, wherein one end of the inner wall of the reduction gearbox, which is close to the motor body, is provided with a slot, the slot is communicated with a cooling ring, the cooling cylinder is provided with an inserting ring at a second notch, and the inserting ring is inserted into the slot.
8. A high torque servo motor for wind turbine generator as claimed in claim 5 wherein: the bottom in the reduction box is filled with a lubricant, and the cooling pipe is immersed in the lubricant.
9. A high torque servo motor for a wind turbine generator as claimed in claim 1, wherein: the two ends of the heat dissipation cylinder are provided with mounting lugs, fixing holes are formed in the mounting lugs, and threaded holes are formed in the motor main body and the reduction gearbox.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310261471.7A CN115987028A (en) | 2023-03-17 | 2023-03-17 | Large-torque servo motor for fan generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310261471.7A CN115987028A (en) | 2023-03-17 | 2023-03-17 | Large-torque servo motor for fan generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115987028A true CN115987028A (en) | 2023-04-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310261471.7A Pending CN115987028A (en) | 2023-03-17 | 2023-03-17 | Large-torque servo motor for fan generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115987028A (en) |
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| CN215009877U (en) * | 2021-07-16 | 2021-12-03 | 苏州盛亿电机有限公司 | High-efficient radiating permanent-magnet machine drive arrangement |
| CN215567816U (en) * | 2021-05-10 | 2022-01-18 | 常州市源开机械有限公司 | Speed reducer for stepping motor with self-cooling function |
| CN216699727U (en) * | 2021-12-21 | 2022-06-07 | 上海权志传动技术有限公司 | Speed reducing motor device for electrically adjusting and controlling automobile exhaust emission valve |
| CN114928191A (en) * | 2022-06-17 | 2022-08-19 | 江苏澳洋顺昌科技材料有限公司 | Moisture-resistant rust-proof galvanized aluminum-magnesium motor steel shell structure and processing method thereof |
| CN115102331A (en) * | 2022-08-24 | 2022-09-23 | 江苏南江减速机有限公司 | Liquid cooling motor |
-
2023
- 2023-03-17 CN CN202310261471.7A patent/CN115987028A/en active Pending
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| JPH08336803A (en) * | 1995-04-14 | 1996-12-24 | Makita Corp | Ventilating structure for power tool |
| JP2000201452A (en) * | 1998-12-29 | 2000-07-18 | Nidec-Shimpo Corp | Motor with power transmission device |
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