CN114844256A - Generator for new energy automobile and processing method thereof - Google Patents
Generator for new energy automobile and processing method thereof Download PDFInfo
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- CN114844256A CN114844256A CN202210782373.3A CN202210782373A CN114844256A CN 114844256 A CN114844256 A CN 114844256A CN 202210782373 A CN202210782373 A CN 202210782373A CN 114844256 A CN114844256 A CN 114844256A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/20—Stationary parts of the magnetic circuit with channels or ducts for flow of cooling medium
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/14—Casings; Enclosures; Supports
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/16—Centering rotors within the stator; Balancing rotors
- H02K15/165—Balancing the rotor
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/16—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/08—Arrangements for cooling or ventilating by gaseous cooling medium circulating wholly within the machine casing
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/22—Arrangements for cooling or ventilating by solid heat conducting material embedded in, or arranged in contact with, the stator or rotor, e.g. heat bridges
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2205/00—Specific aspects not provided for in the other groups of this subclass relating to casings, enclosures, supports
- H02K2205/09—Machines characterised by drain passages or by venting, breathing or pressure compensating means
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The invention discloses a generator for a new energy automobile and a processing method thereof, and belongs to the technical field of new energy motors. According to the invention, the electric push rod continuously pulls the corrugated cover to drive the heat-conducting air ring to move and pull the insertion rod with rear-side heat exchange to be separated from the cooling groove, the nozzle is separated from the air hole to seal the air hole, so that the air circulation between the positioning iron core and the winding fixing slot piece is reduced, the rotary heat storage capacity in the rotor main body and the rotor shaft lever is improved through sealing the heat exchange cavity in the motor shell, the influence on the rotary smoothness of the rotor shaft lever due to cold contraction effect is reduced, the waste heat efficiency of the rotor main body and the rotor shaft lever in the initial working process of the generator is improved, and the stability of the working state of the generator in the initial working condition in cold weather is met.
Description
Technical Field
The invention belongs to the technical field of new energy motors, and particularly relates to a generator for a new energy automobile and a processing method thereof.
Background
The automobile generator is a main power supply of an automobile, and has the functions of supplying power to all electric equipment (except a starter) and charging a storage battery when an engine runs normally, and the working state of the automobile generator determines the stability and the safety of the running condition of the automobile.
Chinese patent document CN112928837B discloses a baffling air-cooled generator stator and a generator with high torque density. The generator stator includes a stator core and a plurality of stator windings. Stator core includes a plurality of lamination groups, and a plurality of lamination groups are arranged into hollow column structure, and are being close to generator rotor side and be formed with a plurality of stator teeth, and stator core is including cavity and the cooling duct that is located the cavity, and at least one lamination group includes a plurality of same laminations of piling up along the thickness direction to and be equipped with the cooling duct. The plurality of stator windings are assembled in each stator slot, a ventilation gap is formed between each stator winding and at least one stator tooth adjacent to the stator winding in the tooth width direction, the ventilation gap extends along the stator teeth, and the cooling air duct is communicated with the ventilation gap and a cavity in the hollow position of the stator core. This scheme has realized the comprehensive optimization to generator electromagnetic property and cooling effect, has effectively promoted the torque density upper limit of generator to, stator core adopts the same lamination to pile up, but when in actual use, the radiating effect of generator stator leads to preheating efficiency of inside rotor lower at the initial during operation of generator, and when using in cold areas, the generator is because radiating effect influences rotation efficiency easily, can not well satisfy the preparation under the generator work initial condition and handle the needs.
Disclosure of Invention
The invention aims to: the generator for the new energy automobile and the processing method thereof are provided for solving the problems that the preheating efficiency of an inner rotor is low due to the fact that the radiating effect of a stator of the generator is in the initial working state of the generator, the rotating efficiency is easily affected due to the radiating effect, and the requirement for preparation and treatment in the initial working state of the generator cannot be well met.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a generator for new energy automobile, includes motor housing, motor housing inner chamber fixed mounting has stator mechanism, stator mechanism is located motor housing inner chamber most outward, stator mechanism one side sliding connection has cooling body for regulation control stator mechanism heat conduction effect through cooling body, cooling body one side fixed mounting has drive mechanism, drive mechanism fixed mounting is in motor housing one side fixed mounting's end cover one side, motor housing inner chamber fixed mounting has the rotor main part, rotor main part inner chamber fixed mounting has the rotor axostylus axostyle, the rotor axostylus axostyle extends to motor housing outer edge, rotor main part and rotor axostylus axostyle all are located positioning mechanism inboard, and rotor axostylus axostyle axle center water flat line and the same horizontal position of stator mechanism axle center horizontal line processing.
As a further description of the above technical solution:
stator mechanism includes stator core, equal between stator core outer wall diameter and the motor housing inner chamber, stator core one side has been seted up a plurality of cooling channels around the equidistance along the axle center, cooling channel cross sectional shape is the toper, and the cooling channel inner chamber is close to stator core inner chamber one side and corresponds the position and seted up a plurality of air vents, and the distance is the same between a plurality of air vents, air vent cross sectional shape is circular, cooling channel inner chamber and cooling body one side sliding connection, a plurality of winding fixed slot pieces of stator core inner chamber fixedly connected with, and two adjacent winding fixed slot pieces respectively fixed connection correspond the position in stator core inboard air vent both sides, and the winding has the winding wire between a plurality of winding fixed slot pieces.
As a further description of the above technical solution:
the cooling mechanism comprises a heat conducting gas ring, one side of the heat conducting gas ring is fixedly connected with a corrugated cover, one side of the corrugated cover is fixedly connected with one side of an end cover, the outer side wall of the corrugated cover is sleeved with a protective shell, one side of the protective shell is fixedly connected with one side of a motor shell, the other side of the protective shell is fixedly connected with one side of the end cover, the heat conducting gas ring is slidably connected with an inner cavity of the motor shell, one side of the heat conducting gas ring is provided with a gas channel cavity, the gas channel cavity is slidably connected with a gas guide grid sheet and a transmission grid sheet which are mutually corresponding, the gas guide grid sheet and one side of the transmission grid sheet are both provided with a plurality of gas guide grooves in an equidistant penetrating way along the axis, the cross section of each gas guide groove is rectangular, one side of the heat conducting gas ring is fixedly connected with a plurality of inserting rods in an equidistant way along the axis, cavity gas channels are arranged in the inserting rods, and the cavity gas channels in the inserting rods are communicated with the gas channel of the heat conducting gas ring through grooves arranged on one side of the heat conducting gas ring, the inserting rod is inserted and connected in the cooling groove, and the corresponding position of one side of the transmission grid sheet, which is far away from the air guide grid sheet, is fixedly connected with one side of the transmission mechanism.
As a further description of the above technical solution:
the cross section shapes of the inserting rod and the cooling groove are equal, the inserting rod and the cooling groove are tightly matched, a plurality of nozzles communicated with the air cavity are arranged at the bottom of the inserting rod, the nozzles are inserted into the air holes in the bottom of the cooling groove, and the tail end positions of the nozzles and the tail end positions of the air holes are in the same horizontal line.
As a further description of the above technical solution:
the transmission mechanism comprises a moving ring and a triangular plate, the moving ring is slidably connected to the inner cavity of the motor shell, the triangular plate is fixedly connected to one side of a transmission grid piece, a connecting rod is connected to one side of the moving ring in an inserting mode, one end of the connecting rod is hinged to one side of a hinge block through a pin shaft, a connecting block is fixedly connected to one side of the hinge block, a driving piece is fixedly connected to one side of the connecting block, the driving piece is fixedly installed on one side of the top of the inner cavity of the motor shell, an idler wheel is fixedly connected to the other side of the connecting rod and is attached to an inclined plane on one side of the triangular plate, a reset piece is fixedly connected to one side of the triangular plate, and the other end of the reset piece is fixedly connected to one side of the inner cavity of the ripple cover.
As a further description of the above technical solution:
the driving piece is an electric push rod, the other end of the electric push rod is fixedly connected with a fixing plate, and the fixing plate is fixedly installed on one side of the top of the inner cavity of the motor shell.
As a further description of the above technical solution:
the ripple cover is flexible plastic cover, and the ripple cover is heat-resisting member, the diameter of ripple cover is less than the diameter of protective housing inner chamber, and ripple cover sliding connection is in protective housing inner chamber one side.
As a further description of the above technical solution:
motor chassis bottom is equipped with supporting mechanism, supporting mechanism includes two support airbags, two support airbags are located the supporting leg bottom that motor chassis bottom both sides set firmly respectively, and two support and are linked together through the branch pipe of blowing between gasbag one side, and support the intercommunication between gasbag and the branch pipe of blowing and have the check valve, and the check valve is used for spacing support airbag one-way to blowing the branch pipe and blow, branch pipe one side middle part intercommunication of blowing has the connection house steward, the connection house steward extends to end cover one side and is linked together with the inboard heat dissipation bearing of end cover for blow the heat dissipation through vibrating the drum gas to heat dissipation bearing.
As a further description of the above technical solution:
the motor comprises a rotor body and a motor shell, wherein the motor shell is provided with a motor cavity, a motor cover is arranged on the motor shell, a motor connecting box is arranged at one side of the motor shell, a motor cover is arranged at one side of the motor connecting box, a motor shell rear cover is fixedly arranged at the rear side of the motor shell, a radiating fan is arranged in the inner cavity of the motor shell rear cover, and the radiating fan is sleeved outside the rotor body.
As a further description of the above technical solution:
a processing method of a generator for a new energy automobile specifically comprises the following steps:
s1, weighing raw materials, weighing cold-rolled silicon steel sheets according to standard gravity, pouring molten aluminum for die casting, removing a die to obtain a rotor main body iron core, freezing a rotor shaft lever through liquid nitrogen, inserting the rotor shaft lever into the rotor main body iron core for assembly, turning, grinding and polishing the rotor shaft lever and a rotating shaft main body iron core, calibrating dynamic balance, and spraying antirust paint to obtain a motor rotor;
s2, die-casting the stator core through casting equipment, reserving a corresponding cooling groove and integrally casting a winding fixing groove piece in a die-casting mold, feeding the poured stator core through automatic equipment, punching a cooling hole in the bottom side of the cooling groove by a machine tool, polishing the edge of the cooling groove, winding the winding fixing groove piece through a winding machine, and embedding the stator core into a wire embedding mold for assembly;
s3, positioning and sliding the cooling mechanism into a stator core reserved cooling groove, performing dynamic balance calibration, extending a driving piece circuit into a wire arrangement groove, sequentially assembling the stator core, a rotor shaft lever and a rotor main body into a motor shell, assembling the residual supporting bearing and an electric brush accessory, assembling an end cover and a shell rear cover through bolts, and completing assembly and processing.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. in the invention, through a designed transmission mechanism, an electric push rod can work and shorten to pull a connecting rod at the front end to move to drive a roller to be separated from a triangular plate, the triangular plate drives a side transmission grid sheet to rotate in a heat conduction air ring under the reset action of a side reset piece, the transmission grid sheet can rotate to reduce the air circulation of a cooling groove at one side of a stator iron core through closing a side air guide groove, the electric push rod continuously pulls a corrugated cover to drive the heat conduction air ring to move to pull an insertion rod for heat exchange at the rear side to be separated from the cooling groove, a nozzle is separated from an air hole to close the air hole, the air circulation between a positioning iron core and a winding fixing groove sheet is reduced, the rotary heat storage capacity in a rotor main body and a rotor shaft lever is improved through closing a heat exchange cavity in a motor shell, the rotary smoothness of the rotor shaft lever caused by cold contraction effect is reduced, and the waste heat efficiency of the rotor main body and the rotor shaft lever during the initial work of a generator is improved, the stability of the working state of the generator under the initial working condition of the generator in cold weather is met.
2. According to the invention, through the designed heat-conducting gas ring, when the heat-conducting gas ring drives the inserting rod to control the contact effect with the positioning iron core through the pushing of the electric push rod, and meanwhile, whether the inserting rod is inserted into the vent hole through the bottom side nozzle or not can be realized when the inserting rod moves, the internal and external alternating current air passages of the stator iron core are sealed, the heat exchange efficiency of the control motor main body is effectively improved, through the designed cooling groove, on one hand, the lightweight effect of the stator iron core can be improved, on the other hand, the heat exchange treatment effect of the stator iron core can be ensured, and after the temperature rises, the communication of the air guide grooves between the transmission grid pieces and the air guide grid pieces is opened through the extension control of the electric push rod, the air guide heat dissipation effect after the heat efficiency rises is met, and the stability of the working state of the generator is improved.
3. According to the invention, through the designed supporting mechanism, the supporting air bag is arranged behind the new energy vehicle, the air can be blown into the air blowing branch pipes through the continuous compression control of the supporting air bag when the new energy vehicle runs, the air blowing branch pipes can be fed into the connecting main pipe under the limiting action of the one-way valve after air blowing, after the connecting main pipe blows the air out through the air cavity at one side of the heat dissipation bearing, the blown air leads out the heat generated by the rotation of the heat dissipation bearing and the rotor shaft lever through the heat exchange effect, the heat accumulation between the heat dissipation bearing and the rotor shaft lever is reduced, the assembly stability of the motor shell is improved through the elastic effect of the supporting air bag, the frequency vibration generated when the motor shell works is reduced, and the working state stability is improved.
Drawings
Fig. 1 is a schematic overall structure diagram of a generator for a new energy vehicle according to the present invention;
fig. 2 is a schematic half-section structure view of a generator for a new energy automobile according to the present invention;
fig. 3 is an enlarged schematic structural diagram of a portion a of a generator for a new energy vehicle according to the present invention;
fig. 4 is a schematic view of an exploded structure of a generator for a new energy vehicle according to the present invention;
fig. 5 is a schematic diagram of a split structure of a stator mechanism and a cooling mechanism of a generator for a new energy automobile, which is provided by the invention;
fig. 6 is an enlarged schematic structural diagram of a part B of a generator for a new energy vehicle according to the present invention;
fig. 7 is a schematic structural view of another angle part of the generator for the new energy automobile according to the present invention;
fig. 8 is a schematic view of another angle overall structure of the generator for the new energy vehicle according to the present invention.
Illustration of the drawings:
1. a motor housing; 2. a junction box; 3. an end cap; 4. a support mechanism; 401. a support airbag; 402. an air blowing branch pipe; 403. connecting a main pipe; 404. a heat-dissipating bearing; 405. supporting legs; 5. a transmission mechanism; 501. a fixing plate; 502. an electric push rod; 503. connecting blocks; 504. a hinged block; 505. a connecting rod; 506. a roller; 507. a set square; 508. a moving ring; 509. a reset member; 6. a stator mechanism; 601. a stator core; 602. a cooling tank; 603. winding fixing slot pieces; 604. a vent hole; 7. a cooling mechanism; 701. a heat conducting gas ring; 702. an insertion rod; 703. a nozzle; 704. a through groove; 705. an air guide grid sheet; 706. a transmission grid sheet; 707. a gas guide groove; 8. a rotor shaft lever; 9. a rotor body; 10. a rear cover of the housing; 11. a bellows cover; 12. a protective shell.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, the present invention provides a technical solution: a generator for a new energy automobile comprises a motor shell 1, a stator mechanism 6 is fixedly mounted in an inner cavity of the motor shell 1, the stator mechanism 6 is located on the most outer portion of the inner cavity of the motor shell 1, a cooling mechanism 7 is slidably connected to one side of the stator mechanism 6 and used for controlling the heat conduction effect of the stator mechanism 6 through adjustment of the cooling mechanism 7, a transmission mechanism 5 is fixedly mounted on one side of the cooling mechanism 7, the transmission mechanism 5 is fixedly mounted on one side of an end cover 3 fixedly mounted on one side of the motor shell 1, a rotor main body 9 is fixedly mounted in the inner cavity of the motor shell 1, a rotor shaft rod 8 is fixedly mounted in the inner cavity of the rotor main body 9, the rotor shaft rod 8 extends to the outer edge of the motor shell 1, the rotor main body 9 and the rotor shaft rod 8 are both located on the inner side of a positioning mechanism, and the horizontal line of the axis of the rotor shaft rod 8 and the horizontal line of the axis of the stator mechanism 6 are located at the same horizontal position, the stator mechanism 6 comprises a stator core 601, the diameter of the outer wall of the stator core 601 is equal to the inner cavity of the motor casing 1, one side of the stator core 601 is surrounded by a plurality of cooling slots 602 along the axis in equal distance, the cross section of the cooling slot 602 is conical, the inner cavity of the cooling slot 602 is close to the corresponding position of one side of the inner cavity of the stator core 601 and is provided with a plurality of air vents 604, the distance between the plurality of air vents 604 is the same, the cross section of the air vents 604 is circular, the inner cavity of the cooling slot 602 is slidably connected with one side of the cooling mechanism 7, the inner cavity of the stator core 601 is fixedly connected with a plurality of winding fixing slot sheets 603, two adjacent winding fixing slot sheets 603 are respectively and fixedly connected with the corresponding positions of two sides of the inner side air vents 604 of the stator core 601, winding wires are wound between the plurality of winding fixing slot sheets 603, the transmission mechanism 5 comprises a moving ring 508 slidably connected with the inner cavity of the motor casing 1 and a triangular plate 507 fixedly connected with one side of the transmission grid sheet 706, one side of the moving ring 508 is connected with a connecting rod 505 in an inserting manner, one end of the connecting rod 505 is hinged to one side of the hinge block 504 through a pin shaft, one side of the hinge block 504 is fixedly connected with a connecting block 503, one side of the connecting block 503 is fixedly connected with a driving piece, the driving piece is fixedly installed on one side of the top of the inner cavity of the motor shell 1, the other side of the connecting rod 505 is fixedly connected with a roller 506, the roller 506 is attached to an inclined surface on one side of the triangular plate 507, one side of the triangular plate 507 is fixedly connected with a reset piece 509, the other end of the reset piece 509 is fixedly connected with one side of the inner cavity of the corrugated cover 11, the driving piece is an electric push rod 502, the other end of the electric push rod 502 is fixedly connected with a fixing plate 501, and the fixing plate 501 is fixedly installed on one side of the top of the inner cavity of the motor shell 1.
The implementation mode is specifically as follows: when the generator is in use at an initial stage, the electric push rod 502 can work and shorten to pull the front end connecting block 503 to move, the connecting block 503 can move to pull the connecting rod 505 to move, the connecting rod 505 can move to pull the roller 506 to separate from the triangular plate 507, the triangular plate 507 can drive one side transmission grid plate 706 to rotate in the heat conduction air ring 701 under the reset action of one side reset piece 509, the transmission grid plate 706 can rotate to reduce the air circulation of the cooling groove 602 at one side of the stator core 601 through closing one side air guide groove 707, and the electric push rod 502 can continuously pull the outer moving ring 508 to move through the connecting rod 505, the moving ring 508 can pull one side ripple cover 11 to drive the heat conduction air ring 701 to move, the heat conduction air ring 701 can move to pull the insertion rod 702 for heat exchange at the rear side to separate from the cooling groove 602, so that the nozzle 703 at the bottom side of the insertion rod 702 can be pulled to separate from the vent hole 604, and further adjust and control the closure vent hole 604, the air circulation between the positioning iron core and the winding fixing slot sheets 603 is reduced, thereby improving the rotary heat storage capacity in the rotor main body 9 and the rotor shaft lever 8 by sealing the heat exchange cavity in the motor casing 1, improving the rapid preheating between the rotor main body 9 and the rotor shaft lever 8 and the bearing, reducing the influence on the rotary smoothness of the rotor shaft lever 8 due to the cold contraction effect, improving the waste heat efficiency of the rotor main body 9 and the rotor shaft lever 8 in the initial working of the generator, meeting the stability of the working state under the initial working condition of the generator in cold weather, improving the light weight effect of the stator iron core 601 on the one hand and ensuring the heat exchange treatment effect of the stator iron core 601 on the other hand through the designed cooling slot 602, and opening the communication of the air guide slots 707 between the transmission grid sheets 706 and the air guide grid sheets 705 through the extension control of the electric push rod 502 after the temperature rises, therefore, the air guide and heat dissipation effect after the heat efficiency is increased can be met, and the stability of the working state of the generator is improved.
Referring to fig. 4-5, the cooling mechanism 7 includes a heat conducting gas ring 701, a corrugated cover 11 is fixedly connected to one side of the heat conducting gas ring 701, one side of the corrugated cover 11 is fixedly connected to one side of the end cover 3, a protective shell 12 is sleeved on an outer side wall of the corrugated cover 11, one side of the protective shell 12 is fixedly connected to one side of the motor casing 1, the other side of the protective shell 12 is fixedly connected to one side of the end cover 3, the heat conducting gas ring 701 is slidably connected to an inner cavity of the motor casing 1, an air channel cavity is formed in one side of the heat conducting gas ring 701, an air guiding grid sheet 705 and a transmission grid sheet 706 are slidably connected in the air channel cavity, a plurality of air guiding grooves 707 are formed in one side of the air guiding grid sheet 705 and one side of the transmission grid sheet 706, the cross-sectional shape of the air guiding grooves 707 is rectangular, and a plurality of inserting rods 702 are fixedly connected to one side of the heat conducting gas ring 701, the inserting rods are equidistantly surrounded by the axis, the cooling structure is characterized in that a cavity air passage is arranged inside the insertion rod 702, the cavity air passage inside the insertion rod 702 is communicated with an air passage cavity of the heat conducting air ring 701 through a through groove 704 formed in one side of the heat conducting air ring 701, the insertion rod 702 is inserted and connected into the cooling groove 602, the corresponding position of one side, far away from the air guide grid plate 705, of the transmission grid plate 706 is fixedly connected with one side of the transmission mechanism 5, the cross sections of the insertion rod 702 and the cooling groove 602 are equal, the insertion rod 702 is tightly matched with the cooling groove 602, a plurality of nozzles 703 communicated with the air cavity are arranged at the bottom of the insertion rod 702, the nozzles 703 are inserted and connected into an air vent 604 at the bottom of the cooling groove 602, and the tail end positions of the nozzles 703 and the tail end positions of the air vent 604 are in the same horizontal line.
The implementation mode is specifically as follows: through the designed heat-conducting gas ring 701, when the heat-conducting gas ring 701 drives the insertion rod 702 to control the contact effect with the positioning iron core through the pushing of the electric push rod 502, and meanwhile, whether the insertion rod 702 is inserted in the vent hole 604 through the bottom side nozzle 703 or not when moving, the internal and external alternating current air passages of the stator iron core 601 are sealed, so that the heat exchange efficiency of the control motor main body can be effectively improved, the nozzle 703 and the tail end of the through hole are in the same horizontal line, the winding stability of a winding cable can be prevented from being influenced, through the designed insertion rod 702, the air passages in the inner cavity of the insertion rod 702 can improve the heat exchange efficiency between the internal and external sides of the insertion rod 702 and the stator iron core 601, the treatment effect is improved, the transmission grid plate and the air guide grid plate 705 can be sealed through rotation, the air guide plate 705 can improve the connection sealing capability of the corrugated cover 11 through the rear side elastic member, and the air guide plate 705 can be conveniently rotated and reset through the resetting force of the compression elastic member after rotation, the sealing treatment effect is improved.
Referring to fig. 1-2, the bellows cover 11 is a flexible plastic cover, the bellows cover 11 is a heat-resistant member, the diameter of the bellows cover 11 is smaller than the diameter of the inner cavity of the protective shell 12, the bellows cover 11 is slidably connected to one side of the inner cavity of the protective shell 12, the bottom of the motor case 1 is provided with a support mechanism 4, the support mechanism 4 includes two support airbags 401, the two support airbags 401 are respectively located at the bottoms of support legs 405 fixedly arranged at two sides of the bottom of the motor case 1, one sides of the two support airbags 401 are communicated with each other through an air blowing branch pipe 402, a one-way valve is communicated between the support airbags 401 and the air blowing branch pipe 402 and used for limiting the support airbags 401 to perform air blowing on the air blowing branch pipe 402 in one direction, the middle of one side of the air blowing branch pipe 402 is communicated with a connection header pipe 403, the connection header pipe 403 extends to one side of the end cover 3 and is communicated with a heat-dissipating bearing 404 at the inner side of the end cover 3, the motor shell is used for blowing and radiating heat of the heat radiating bearing 404 through vibration and air blowing, one side of the motor shell 1 is communicated with the junction box 2, a box cover is arranged on one side of the junction box 2, a shell rear cover 10 is fixedly arranged on the rear side of the motor shell 1, a heat radiating fan is arranged in the inner cavity of the shell rear cover 10, and the heat radiating fan is sleeved outside the rotor main body 9.
A processing method of a generator for a new energy automobile specifically comprises the following steps:
s1, weighing raw materials, weighing cold-rolled silicon steel sheets according to standard gravity, pouring molten aluminum for die casting, removing a die to obtain a rotor main body 9 iron core, freezing a rotor shaft rod 8 through liquid nitrogen, inserting the frozen rotor shaft rod 8 into the rotor main body 9 iron core for assembly, turning, grinding and polishing the rotor shaft rod 8 and a rotating shaft main body iron core, calibrating dynamic balance, and spraying antirust paint to obtain a motor rotor;
s2, die-casting the stator core 601 through casting equipment, reserving a corresponding cooling groove 602 and integrally casting a winding fixing groove piece 603 in a die-casting mold, feeding the poured stator core 601 through automation equipment, punching a cooling hole in the bottom side of the cooling groove 602 through machine tool machining, polishing the edge of the cooling groove 602, winding the winding fixing groove piece 603 through a winding machine, and embedding the stator core 601 into a wire embedding mold for assembly;
s3, the cooling mechanism 7 is positioned and slid into the reserved cooling groove 602 of the stator core 601, after dynamic balance calibration is carried out, the driving piece circuit extends into the winding displacement groove, the stator core 601, the rotor shaft rod 8 and the rotor main body 9 are sequentially assembled into the motor shell 1, the residual supporting bearing and the electric brush fittings are assembled, the end cover 3 and the shell rear cover 10 are assembled through bolts, and assembly processing is completed.
The implementation mode is specifically as follows: through the designed corrugated cover 11, the movement reset of the heat conducting gas ring 701 can be controlled through the elasticity of the corrugated cover 11, the reset effect of the insertion rod 702 and the heat conducting gas ring 701 after the position adjustment can be favorably realized, through the designed supporting mechanism 4, the supporting air bag 401 is installed behind the new energy vehicle, the new energy vehicle can blow air into the air blowing branch pipe 402 through the continuous compression control of the supporting air bag 401 during the operation, the air blowing branch pipe 402 can be sent into the connecting header pipe 403 under the limiting action of the one-way valve after the air blowing, after the connecting header pipe 403 blows the air out from one side of the heat dissipation bearing 404, the blown air guides out the heat generated by the rotation of the heat dissipation bearing 404 and the rotor shaft lever 8 through the heat exchange effect, thereby the heat accumulation between the heat dissipation bearing 404 and the rotor shaft lever 8 can be reduced, the junction box 2 can facilitate the arrangement treatment of the wiring harnesses in the motor shell 1, through the designed one-way valve, the case side gas blowing branch pipe 402 can be guaranteed to blow when supporting the gasbag 401 and compressing, and when the heat dissipation bearing 404 and the shaft cover are assembled, the gas flue arranged on the inner side of the shaft cover can process the heat of the purging gas through the connecting main pipe 403.
The working principle is as follows: when the generator is used, in the initial stage of the use of the generator, the electric push rod 502 works to shorten and pull the front end connecting block 503 to move, the connecting block 503 moves and pulls the connecting rod 505 to move, the connecting rod 505 moves and pulls the roller 506 to separate from the triangular plate 507, the triangular plate 507 drives the one side transmission grid plate 706 to rotate in the heat conduction air ring 701 under the reset action of the one side reset piece 509, the transmission grid plate 706 rotates to reduce the air circulation of the cooling groove 602 on one side of the stator core 601 through the closed one side air guide groove 707, the electric push rod 502 continuously pulls the connecting rod 505 to drive the outer moving ring 508 to move, the moving ring 508 moves and pulls the one side bellow 11 to drive the heat conduction air ring 701 to move, the heat conduction air ring 701 moves and pulls the insertion rod 702 for heat exchange on the rear side to separate from the cooling groove 602, so as to pull the bottom side nozzle 703 of the insertion rod 702 to separate from the vent 604, further regulate and control the closed vent hole, and reduce the air circulation between the positioning core and the winding fixing groove 603, when the temperature rises, the electric push rod 502 is controlled to work and extend, the electric push rod 502 drives the heat conducting gas ring 701 on one side to move to drive the insertion rod 702 to fully contact with the cooling groove 602 for heat exchange, and the nozzle 703 moves into the vent hole 604 on one side to realize air communication;
after the supporting air bag 401 is installed on a new energy vehicle, the new energy vehicle blows air into the air blowing branch pipes 402 through continuous compression control of the supporting air bag 401 during operation, the air blowing branch pipes 402 are sent into the connecting main pipe 403 under the limiting effect of the one-way valve after air blowing, after the connecting main pipe 403 blows air out through the air cavity on one side of the heat dissipation bearing 404, the blown air leads out heat generated by rotation of the heat dissipation bearing 404 and the rotor shaft rod 8 through the heat exchange effect.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. The generator for the new energy automobile comprises a motor shell (1) and is characterized in that a stator mechanism (6) is fixedly mounted in an inner cavity of the motor shell (1), the stator mechanism (6) is located on the most outward extent of the inner cavity of the motor shell (1), a cooling mechanism (7) is connected to one side of the stator mechanism (6) in a sliding mode and used for controlling the heat conduction effect of the stator mechanism (6) through adjustment of the cooling mechanism (7), a transmission mechanism (5) is fixedly mounted on one side of the cooling mechanism (7), the transmission mechanism (5) is fixedly mounted on one side of an end cover (3) fixedly mounted on one side of the motor shell (1), a rotor main body (9) is fixedly mounted in the inner cavity of the motor shell (1), a rotor shaft rod (8) is fixedly mounted in the inner cavity of the rotor main body (9), and the rotor shaft rod (8) extends to the outer edge of the motor shell (1), the rotor main body (9) and the rotor shaft lever (8) are both positioned at the inner side of the positioning mechanism, and the horizontal line of the axis of the rotor shaft lever (8) and the horizontal line of the axis of the stator mechanism (6) are positioned at the same horizontal position.
2. The generator for the new energy automobile of claim 1, characterized in that stator mechanism (6) includes stator core (601), equal between stator core (601) outer wall diameter and the motor casing (1) inner chamber, a plurality of cooling bath (602) have been seted up around the equidistance along the axle center in stator core (601) one side, cooling bath (602) cross sectional shape is the toper, and cooling bath (602) inner chamber is close to stator core (601) inner chamber one side and has seted up a plurality of air vents (604) corresponding position, and the distance is the same between a plurality of air vents (604), air vent (604) cross sectional shape is circular, cooling bath (602) inner chamber and cooling mechanism (7) one side sliding connection, stator core (601) inner chamber fixedly connected with a plurality of winding fixed slot pieces (603), and two adjacent winding fixed slot pieces (603) respectively fixed connection correspond two sides at stator core (601) inboard air vent (604) both sides and correspond Winding wires are wound between the plurality of winding fixing slot pieces (603).
3. The generator for the new energy automobile as claimed in claim 1, wherein the cooling mechanism (7) comprises a heat conducting gas ring (701), a corrugated cover (11) is fixedly connected to one side of the heat conducting gas ring (701), one side of the corrugated cover (11) is fixedly connected to one side of the end cover (3), a protective shell (12) is sleeved on the outer side wall of the corrugated cover (11), one side of the protective shell (12) is fixedly connected to one side of the motor casing (1), the other side of the protective shell (12) is fixedly connected to one side of the end cover (3), the heat conducting gas ring (701) is slidably connected to the inner cavity of the motor casing (1), an air channel cavity is formed in one side of the heat conducting gas ring (701), an air guide grid sheet (705) and a transmission grid sheet (706) which correspond to each other are slidably connected to the air channel cavity, and a plurality of air guide grooves (707) are formed in one side of the air guide grid sheet (705) and the transmission grid sheet (706) at equal intervals around the axis, the cross section of the air guide groove (707) is rectangular, one side of the heat conducting air ring (701) is fixedly connected with a plurality of inserting rods (702) at equal intervals around the axis, a cavity air passage is arranged inside each inserting rod (702), the cavity air passage inside each inserting rod (702) is communicated with an air passage cavity of the heat conducting air ring (701) through a through groove (704) formed in one side of the heat conducting air ring (701), each inserting rod (702) is connected in the cooling groove (602) in an inserting mode, and the corresponding position of one side, far away from the air guide grid sheet (705), of the transmission grid sheet (706) is fixedly connected with one side of the transmission mechanism (5).
4. The generator for the new energy automobile as claimed in claim 3, wherein the cross-sectional shape of the insertion rod (702) is the same as that of the cooling groove (602), the insertion rod (702) is tightly fitted with the cooling groove (602), the bottom of the insertion rod (702) is provided with a plurality of nozzles (703) communicated with the air cavity, the nozzles (703) are inserted into the vent holes (604) at the bottom of the cooling groove (602), and the positions of the tail ends of the nozzles (703) and the positions of the tail ends of the vent holes (604) are in the same horizontal line.
5. The generator for the new energy automobile as claimed in claim 3, wherein the transmission mechanism (5) comprises a moving ring (508) slidably connected to an inner cavity of the motor housing (1) and a triangular plate (507) fixedly connected to one side of the transmission grid (706), a connecting rod (505) is inserted into one side of the moving ring (508), one end of the connecting rod (505) is hinged to one side of a hinge block (504) through a pin shaft, a connecting block (503) is fixedly connected to one side of the hinge block (504), a driving member is fixedly connected to one side of the connecting block (503), the driving member is fixedly mounted to one side of the top of the inner cavity of the motor housing (1), a roller (506) is fixedly connected to the other side of the connecting rod (505), the roller (506) is attached to an inclined surface of one side of the triangular plate (507), and a reset member (509) is fixedly connected to one side of the triangular plate (507), the other end of the reset piece (509) is fixedly connected with one side of the inner cavity of the corrugated cover (11).
6. The generator for the new energy automobile as claimed in claim 5, wherein the driving member is an electric push rod (502), the other end of the electric push rod (502) is fixedly connected with a fixing plate (501), and the fixing plate (501) is fixedly installed on one side of the top of the inner cavity of the motor housing (1).
7. The generator for the new energy automobile as claimed in claim 3, wherein the bellows cover (11) is a flexible plastic cover, the bellows cover (11) is a heat-resistant component, the diameter of the bellows cover (11) is smaller than that of the inner cavity of the protective shell (12), and the bellows cover (11) is slidably connected to one side of the inner cavity of the protective shell (12).
8. The generator for the new energy automobile according to claim 1, wherein a supporting mechanism (4) is arranged at the bottom of the motor casing (1), the supporting mechanism (4) comprises two supporting air bags (401), the two supporting air bags (401) are respectively positioned at the bottoms of the supporting legs (405) fixedly arranged at the two sides of the bottom of the motor shell (1), and one sides of the two supporting air bags (401) are communicated through an air blowing branch pipe (402), and a one-way valve is communicated between the supporting air bag (401) and the blowing branch pipe (402), and the one-way valve is used for the limit support air bag (401) to perform one-way air blowing on the air blowing branch pipe (402), the middle part of one side of the air blowing branch pipe (402) is communicated with a connecting main pipe (403), the connecting main pipe (403) extends to one side of the end cover (3) and is communicated with a heat dissipation bearing (404) on the inner side of the end cover (3) and used for performing air blowing heat dissipation on the heat dissipation bearing (404) through vibration air blowing.
9. The generator for the new energy automobile as claimed in claim 1, wherein one side of the motor casing (1) is communicated with a junction box (2), one side of the junction box (2) is provided with a box cover, a casing rear cover (10) is fixedly installed at the rear side of the motor casing (1), an inner cavity of the casing rear cover (10) is provided with a cooling fan, and the cooling fan is sleeved outside the rotor body (9).
10. A processing method of a generator for a new energy automobile, which is used for producing the generator for the new energy automobile as claimed in claims 1-9, and is characterized by comprising the following steps:
s1, weighing raw materials, weighing cold-rolled silicon steel sheets according to standard gravity, pouring molten aluminum for die casting, removing a die to obtain a rotor main body (9) iron core, freezing a rotor shaft lever (8) through liquid nitrogen, inserting the frozen rotor shaft lever into the rotor main body (9) iron core for assembly, turning, grinding and polishing the rotor shaft lever (8) and a rotating shaft main body iron core, calibrating dynamic balance, and spraying antirust paint to obtain a motor rotor;
s2, die-casting the stator core (601) through casting equipment, reserving a corresponding cooling groove (602) and integrally casting a winding fixing groove piece (603) in a die-casting mold, feeding the poured stator core (601) through automatic equipment, punching a cooling hole in the bottom side of the cooling groove (602) through machine tool machining, polishing the edge of the cooling groove (602), winding the winding fixing groove piece (603) through a winding machine, and embedding the stator core (601) into a wire embedding mold for assembly;
s3, the cooling mechanism (7) is positioned and slides into a reserved cooling groove (602) of the stator iron core (601), after dynamic balance calibration is carried out, a driving piece circuit extends into a wiring groove, the stator iron core (601), the rotor shaft lever (8) and the rotor main body (9) are sequentially assembled into the motor shell (1), the residual supporting component and the electric brush accessories are assembled, the end cover (3) and the shell rear cover (10) are assembled through bolts, and assembly processing is completed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210782373.3A CN114844256B (en) | 2022-07-05 | 2022-07-05 | Generator for new energy automobile and processing method thereof |
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| CN202210782373.3A CN114844256B (en) | 2022-07-05 | 2022-07-05 | Generator for new energy automobile and processing method thereof |
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| CN114844256B CN114844256B (en) | 2022-09-20 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116760229A (en) * | 2023-06-27 | 2023-09-15 | 光陆机电有限公司 | Stable three-phase asynchronous motor |
| CN116749088A (en) * | 2023-08-24 | 2023-09-15 | 新乡市豫能防爆科技有限公司 | Motor housing processingequipment |
| CN117895703A (en) * | 2024-03-15 | 2024-04-16 | 常州天安尼康达电器有限公司 | Alternating current motor with intelligent adjustable heat dissipation function |
| CN117914052A (en) * | 2024-03-19 | 2024-04-19 | 淮北津奥铝业有限公司 | New energy automobile motor aluminum alloy shell foundry goods |
| CN117937874A (en) * | 2024-03-22 | 2024-04-26 | 安徽广博机电制造股份有限公司 | Shell assembling equipment for rare earth permanent magnet motor |
| CN118572917A (en) * | 2024-08-02 | 2024-08-30 | 洛阳中嘉控制技术有限公司 | Heat dissipation mechanism of direct current motor stator and installation method thereof |
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| CN208623408U (en) * | 2018-08-14 | 2019-03-19 | 永康市胜时电机有限公司 | A kind of absolutely empty cooled electric generator |
| US20200185985A1 (en) * | 2017-07-04 | 2020-06-11 | Bayerische Motoren Werke Aktiengesellschaft | Stator of an Electrical Machine and Cooling Apparatus for Same |
| CN216086280U (en) * | 2021-09-25 | 2022-03-18 | 浙江实日机电科技有限公司 | Driving motor stator for new energy automobile |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20200185985A1 (en) * | 2017-07-04 | 2020-06-11 | Bayerische Motoren Werke Aktiengesellschaft | Stator of an Electrical Machine and Cooling Apparatus for Same |
| CN208623408U (en) * | 2018-08-14 | 2019-03-19 | 永康市胜时电机有限公司 | A kind of absolutely empty cooled electric generator |
| CN216086280U (en) * | 2021-09-25 | 2022-03-18 | 浙江实日机电科技有限公司 | Driving motor stator for new energy automobile |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116760229A (en) * | 2023-06-27 | 2023-09-15 | 光陆机电有限公司 | Stable three-phase asynchronous motor |
| CN116760229B (en) * | 2023-06-27 | 2024-01-23 | 光陆机电有限公司 | Stable three-phase asynchronous motor |
| CN116749088A (en) * | 2023-08-24 | 2023-09-15 | 新乡市豫能防爆科技有限公司 | Motor housing processingequipment |
| CN116749088B (en) * | 2023-08-24 | 2023-11-03 | 新乡市豫能防爆科技有限公司 | Motor housing processingequipment |
| CN117895703A (en) * | 2024-03-15 | 2024-04-16 | 常州天安尼康达电器有限公司 | Alternating current motor with intelligent adjustable heat dissipation function |
| CN117895703B (en) * | 2024-03-15 | 2024-05-14 | 常州天安尼康达电器有限公司 | Alternating current motor with intelligent adjustable heat dissipation function |
| CN117914052A (en) * | 2024-03-19 | 2024-04-19 | 淮北津奥铝业有限公司 | New energy automobile motor aluminum alloy shell foundry goods |
| CN117914052B (en) * | 2024-03-19 | 2024-05-24 | 淮北津奥铝业有限公司 | New energy automobile motor aluminum alloy shell foundry goods |
| CN117937874A (en) * | 2024-03-22 | 2024-04-26 | 安徽广博机电制造股份有限公司 | Shell assembling equipment for rare earth permanent magnet motor |
| CN117937874B (en) * | 2024-03-22 | 2024-05-31 | 安徽广博机电制造股份有限公司 | Shell assembling equipment for rare earth permanent magnet motor |
| CN118572917A (en) * | 2024-08-02 | 2024-08-30 | 洛阳中嘉控制技术有限公司 | Heat dissipation mechanism of direct current motor stator and installation method thereof |
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