CN116722697A - Driving motor of electric vehicle - Google Patents
Driving motor of electric vehicle Download PDFInfo
- Publication number
- CN116722697A CN116722697A CN202310973898.XA CN202310973898A CN116722697A CN 116722697 A CN116722697 A CN 116722697A CN 202310973898 A CN202310973898 A CN 202310973898A CN 116722697 A CN116722697 A CN 116722697A
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- China
- Prior art keywords
- motor
- transmission
- heat dissipation
- copper pipe
- shaft
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- 230000005540 biological transmission Effects 0.000 claims abstract description 104
- 230000017525 heat dissipation Effects 0.000 claims abstract description 67
- 230000001360 synchronised effect Effects 0.000 claims abstract description 50
- 238000001816 cooling Methods 0.000 claims abstract description 17
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 75
- 229910052802 copper Inorganic materials 0.000 claims description 75
- 239000010949 copper Substances 0.000 claims description 75
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 23
- 229910052782 aluminium Inorganic materials 0.000 claims description 23
- 230000005389 magnetism Effects 0.000 abstract description 7
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 6
- 235000017491 Bambusa tulda Nutrition 0.000 description 6
- 241001330002 Bambuseae Species 0.000 description 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 6
- 239000011425 bamboo Substances 0.000 description 6
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 239000002826 coolant Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 206010039203 Road traffic accident Diseases 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K11/00—Arrangement in connection with cooling of propulsion units
- B60K11/02—Arrangement in connection with cooling of propulsion units with liquid cooling
- B60K11/04—Arrangement or mounting of radiators, radiator shutters, or radiator blinds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
- B60K17/16—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of differential gearing
-
- 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
- H02K5/18—Casings or enclosures characterised by the shape, form or construction thereof with ribs or fins for improving heat transfer
-
- 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
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
-
- 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
- H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
- H02K5/225—Terminal boxes or connection arrangements
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/003—Couplings; Details of shafts
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/006—Structural association of a motor or generator with the drive train of a motor vehicle
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/1004—Structural association with clutches, brakes, gears, pulleys or mechanical starters with pulleys
- H02K7/1012—Machine arranged inside the pulley
- H02K7/1016—Machine of the outer rotor type
-
- 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
- Y02T10/64—Electric machine technologies in electromobility
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention provides a driving motor of an electric vehicle, which relates to the technical field of motors and comprises a synchronous motor, wherein a transmission assembly is fixedly arranged at one end of an output shaft of the synchronous motor, a motor heat dissipation frame piece is fixedly arranged at the outer side of the synchronous motor, coaxial transmission connecting pieces are arranged at two ends of the transmission assembly, driving wheel connecting shafts are fixedly connected at the outer ends of the two coaxial transmission connecting pieces, and wheel mounting seats are fixedly arranged at the outer ends of the two driving wheel connecting shafts; according to the invention, the cooling system in the vehicle can be communicated to the motor cooling frame piece arranged on the outer side of the synchronous motor, so that the temperature of the outer stator of the synchronous motor is increased, and after the temperature of the stator is reduced, the heat of the middle permanent magnet can be taken away at the same time, so that the temperature of the permanent magnet is reduced, the magnetism of the permanent magnet is kept, and the power output of the synchronous motor can be ensured.
Description
Technical Field
The invention relates to the technical field of motors, in particular to a driving motor of an electric vehicle.
Background
Because the development time is short, the new energy automobile motor industry is not completely mature, and the new energy automobile motor products in the domestic and foreign markets are generally provided by suppliers expanded by traditional motor enterprises, automobile electronic enterprises or battery enterprises. Through the centralized research and development and application of the motor system for the electric automobile in the recent country, the driving motor system products meeting the requirements of various new energy automobiles are independently developed in China, a large number of related intellectual property rights of the motor system are obtained, and the mass production capacity of the driving motor system for the automobile with core competitiveness is formed.
The existing new energy vehicle runs at high temperature in hot summer, the function failure and power loss of the vehicle are often caused under the double high temperature actions of the vehicle and the outside, the fact is that the permanent magnet machine inside the motor is magnetically lowered under the high temperature action, the motor loses the inherent torque, the vehicle loses the power, the vehicle is likely to be out of control, and serious traffic accidents are likely to be caused.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a driving motor of an electric vehicle, which solves the problems that a permanent magnet machine inside the motor loses own torque due to magnetic decline under the action of high temperature, and the vehicle loses power, so that the vehicle is likely to be out of control, and serious traffic accidents are caused.
In order to achieve the above purpose, the invention is realized by the following technical scheme: the driving motor of the electric vehicle comprises a synchronous motor, wherein a transmission assembly is fixedly arranged at one end of an output shaft of the synchronous motor, motor radiating frame pieces are fixedly arranged at the outer sides of the synchronous motor, coaxial transmission connecting pieces are arranged at two ends of the transmission assembly, driving wheel connecting shafts are fixedly connected to the outer ends of the two coaxial transmission connecting pieces, and wheel mounting seats are fixedly arranged at the outer ends of the two driving wheel connecting shafts;
the upper end of the synchronous motor is provided with a synchronous motor electric box, and the synchronous motor electric box is provided with a plurality of electric box connectors.
Preferably, the transmission assembly includes: the transmission assembly comprises a transmission assembly shell, a shell radiating fin, a motor connecting shaft, a first motor transmission belt pulley, a belt pulley rotating shaft, a second motor transmission belt pulley, a transmission belt, a differential output shaft, a differential input shaft, an input shaft bevel gear and a belt pulley bevel gear;
two transmission component shells are fixedly arranged at one end of the synchronous motor, a motor connecting shaft is inserted in one transmission component shell in a rotating way, a first motor transmission belt pulley is coaxially and fixedly connected to the inner end of the motor connecting shaft, a belt pulley rotating shaft is rotatably arranged on the inner wall of the other transmission component shell, a second motor transmission belt pulley is coaxially and fixedly arranged at the inner end of the belt pulley rotating shaft, and a transmission belt is sleeved on the first motor transmission belt pulley and the second motor transmission belt pulley in a rotating way;
one end of the second motor driving belt pulley, which is far away from the belt pulley rotating shaft, is coaxially and fixedly connected with a belt pulley bevel gear;
the transmission assembly shell is rotatably provided with a differential mechanism output shaft, a differential mechanism is arranged between the two differential mechanism output shafts, the input end of the differential mechanism is coaxially provided with a differential mechanism input shaft, and the front end of the differential mechanism input shaft is coaxially and fixedly connected with an input shaft bevel gear;
the transmission assembly is characterized in that a plurality of shell cooling fins are integrally arranged on the outer surface of the shell of the transmission assembly.
Preferably, the motor connecting shaft is fixedly connected with the output shaft of the synchronous motor in a coaxial manner.
Preferably, the two differential output shafts are each connected to two outputs of the differential.
Preferably, the input shaft bevel gear is in meshed connection with the pulley bevel gear.
Preferably, the motor heat dissipation frame member includes: the heat dissipation device comprises a heat dissipation frame, a copper pipe insertion channel, a heat dissipation through cavity, a heat dissipation copper pipe, an aluminum sheet groove, a heat conduction rubber sheet, a heat dissipation aluminum sheet, a fixed clamping piece, a clamping piece hole, a copper pipe rotating head, a copper pipe external inlet, a copper pipe external outlet and a copper pipe baffle ring;
a plurality of copper pipe inserting channels are integrally distributed on the outer side of the heat dissipation frame at equal intervals, and each copper pipe inserting channel is internally provided with a heat dissipation through cavity;
aluminum sheet grooves are formed in the heat dissipation frame and located between the copper pipe inserting channels, heat conduction films are fixedly mounted on the inner side surface of the heat dissipation frame and located on the inner side of each aluminum sheet groove, and a plurality of heat dissipation aluminum sheets are integrally arranged between the inner walls of the two sides of each aluminum sheet groove;
the lower end of the heat dissipation frame is integrally provided with two fixing clamping pieces, and two clamping piece holes are formed in the two fixing clamping pieces;
each copper pipe inserting channel is internally and slidably inserted with a heat dissipation copper pipe, each heat dissipation copper pipe front end is provided with a copper pipe rotating head in a matched mode, copper pipe external inlets are integrally formed in the side faces of the copper pipe rotating heads, and copper pipe baffle rings and copper pipe external outlets are integrally formed in the side faces of the heat dissipation copper pipes.
Preferably, the heat dissipation frame is located between the two fixing clips and is an opening.
Preferably, the copper pipe rotating head is in threaded sealing connection with the heat dissipation copper pipe.
Preferably, the coaxial transmission connector comprises: the wheel connecting shaft, the transmission connecting shaft, the wheel connecting shaft outer clamping cylinder, the transmission connecting shaft outer clamping cylinder, the connecting pin jack, the connecting pin, the connecting thread head and the connecting thread seat;
the wheel connecting shaft is characterized in that one end of the wheel connecting shaft is integrally connected with a wheel connecting shaft outer clamping cylinder, one end of the transmission connecting shaft is integrally connected with a transmission connecting shaft outer clamping cylinder, a connecting thread seat is integrally arranged in the wheel connecting shaft outer clamping cylinder, and a connecting thread head is integrally arranged in the transmission connecting shaft outer clamping cylinder;
the wheel connecting shaft outer clamping cylinder, the transmission connecting shaft outer clamping cylinder, the connecting screw thread head and the connecting screw thread seat side face are provided with a plurality of connecting pin jacks, and each connecting pin jack is internally provided with a connecting pin.
Preferably, the outer end of the wheel connecting shaft is fixedly connected with the driving wheel connecting shaft in a coaxial manner, and the outer end of the transmission connecting shaft is fixedly connected with the output shaft of the differential mechanism in a coaxial manner.
The invention provides a driving motor of an electric vehicle. The beneficial effects are as follows:
according to the invention, the cooling system in the vehicle can be communicated to the motor cooling frame piece arranged on the outer side of the synchronous motor, so that the temperature of the outer stator of the synchronous motor is increased, and after the temperature of the stator is reduced, the heat of the middle permanent magnet can be taken away at the same time, so that the permanent magnet is cooled, the magnetism of the permanent magnet is kept, and the power output of the synchronous motor can be ensured;
when the output power of the synchronous motor is transmitted to the first motor transmission belt pulley through the motor connecting shaft in the transmission assembly, the power can be synchronized through the transmission belt, the axial direction of the power transmission is turned through the engagement between the bevel gear of the input shaft and the bevel gear of the belt pulley and is output to the differential mechanism, and then the output power is transmitted to the differential mechanism output shafts on two sides through the differential mechanism, so that the consistency of the power output of the wheels on two sides can be ensured;
the vehicle-mounted cooling system is connected to the copper pipe external inlet and the copper pipe external outlet, a cooling medium with low temperature is circulated in the heat dissipation copper pipe to cool the whole heat dissipation frame, the heat dissipation aluminum sheet at the outer side can absorb the temperature and cool the heat conduction film, so that the shell of the synchronous motor can be cooled, the temperature can be cooled better, and the magnetism in the motor is ensured;
wherein, through inserting the connecting pin in the connecting pin jack of wheel connecting axle outer card section of thick bamboo, transmission connecting axle outer card section of thick bamboo, connection screw thread head and connecting screw thread seat side to can increase coaxial transmission effect, can conveniently dismantle simultaneously, carry out vehicle maintenance.
Drawings
FIG. 1 is a schematic overall perspective view of the present invention;
FIG. 2 is a schematic perspective view of another view of the present invention;
FIG. 3 is a schematic perspective view of a transmission assembly according to the present invention;
FIG. 4 is a schematic elevational view of the transmission assembly of the present invention;
FIG. 5 is a schematic view showing a cross-sectional perspective structure of the line a-a in FIG. 4 according to the present invention;
FIG. 6 is an enlarged schematic view of the structure of FIG. 5A according to the present invention;
FIG. 7 is a schematic perspective view of a heat dissipation frame of a motor according to the present invention;
FIG. 8 is a schematic side view of a heat dissipating frame of a motor according to the present invention;
FIG. 9 is a schematic perspective view of the cross-section of the present invention taken along line b-b of FIG. 8;
FIG. 10 is an enlarged schematic view of the structure of FIG. 9B according to the present invention;
FIG. 11 is an enlarged schematic view of the structure of FIG. 9C in accordance with the present invention;
FIG. 12 is a schematic perspective view of a coaxial drive connection of the present invention;
FIG. 13 is a schematic side view of a coaxial drive connection of the present invention;
FIG. 14 is a schematic cross-sectional view of the structure of the invention taken along line c-c in FIG. 13.
1, a synchronous motor; 2. a transmission assembly; 201. a drive assembly housing; 202. a housing fin; 203. a motor connecting shaft; 204. a first motor drive pulley; 205. a pulley rotation shaft; 206. a second motor drive pulley; 207. a drive belt; 208. a differential; 209. a differential output shaft; 210. a differential input shaft; 211. an input shaft bevel gear; 212. bevel gears of belt pulleys; 3. a motor heat dissipation frame member; 301. a heat dissipation frame; 302. copper pipe insertion; 303. a heat dissipation cavity is formed; 304. a heat dissipation copper pipe; 305. an aluminum sheet groove; 306. a heat conducting film; 307. a heat radiation aluminum sheet; 308. fixing the clamping piece; 309. a clip hole; 310. a copper pipe rotating head; 311. the copper pipe is externally connected with an inlet; 312. the copper pipe is externally connected with an outlet; 313. a copper pipe baffle ring; 4. a coaxial drive connection; 401. a wheel connecting shaft; 402. a transmission connecting shaft; 403. the outer clamping cylinder of the wheel connecting shaft; 404. the outer clamping cylinder of the transmission connecting shaft; 405. a connecting pin jack; 406. a connecting pin; 407. connecting a threaded head; 408. connecting a threaded seat; 5. the driving wheel is connected with the shaft; 6. a wheel mounting base; 7. a synchronous motor cartridge; 8. and an electric box connector.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 to 2, the embodiment of the invention provides a driving motor of an electric vehicle, which comprises a synchronous motor 1, wherein a transmission assembly 2 is fixedly arranged at one end of an output shaft of the synchronous motor 1, a motor heat dissipation frame member 3 is fixedly arranged at the outer side of the synchronous motor 1, coaxial transmission connecting members 4 are arranged at two ends of the transmission assembly 2, driving wheel connecting shafts 5 are fixedly connected at the outer ends of the two coaxial transmission connecting members 4, and wheel mounting seats 6 are fixedly arranged at the outer ends of the two driving wheel connecting shafts 5; the upper end of the synchronous motor 1 is provided with a synchronous motor electric box 7, and the synchronous motor electric box 7 is provided with a plurality of electric box connectors 8.
Through foretell technical scheme, through the motor heat dissipation frame piece 3 in synchronous machine 1 outside installation, can communicate the cooling system in the car to it, increase synchronous machine 1 outside stator temperature, after the temperature of stator reduces, just can take away the heat of middle permanent magnet simultaneously to for the permanent magnet cooling, keep its magnetism, thereby can guarantee synchronous machine 1's power take off.
As shown in fig. 1, 3 to 6, the transmission assembly 2 includes: a transmission assembly housing 201, housing fins 202, motor connecting shaft 203, first motor drive pulley 204, pulley rotating shaft 205, second motor drive pulley 206, drive belt 207, differential 208, differential output shaft 209, differential input shaft 210, input shaft bevel gear 211, and pulley bevel gear 212; two transmission assembly shells 201 are fixedly arranged at one end of the synchronous motor 1, a motor connecting shaft 203 is inserted in one transmission assembly shell 201 in a rotating way, a first motor transmission belt pulley 204 is coaxially and fixedly connected to the inner end of the motor connecting shaft 203, a belt pulley rotating shaft 205 is rotatably arranged on the inner wall of the other transmission assembly shell 201, a second motor transmission belt pulley 206 is coaxially and fixedly arranged at the inner end of the belt pulley rotating shaft 205, and a transmission belt 207 is rotatably sleeved on the first motor transmission belt pulley 204 and the second motor transmission belt pulley 206; one end of the second motor driving belt pulley 206 far away from the belt pulley rotating shaft 205 is coaxially and fixedly connected with a belt pulley bevel gear 212; a differential output shaft 209 is rotatably mounted on the transmission assembly housing 201, a differential 208 is disposed between the two differential output shafts 209, an input end of the differential 208 is coaxially provided with a differential input shaft 210, and a front end of the differential input shaft 210 is coaxially and fixedly connected with an input shaft bevel gear 211; the outer surface of the transmission assembly shell 201 is integrally provided with a plurality of shell cooling fins 202, the motor connecting shaft 203 is fixedly connected with the output shaft of the synchronous motor 1 in a coaxial way, two differential output shafts 209 are respectively connected to two output ends of the differential 208, and the input shaft bevel gear 211 is in meshed connection with the belt pulley bevel gear 212.
Through the above technical scheme, when the output power of the synchronous motor 1 is transmitted to the first motor driving pulley 204 through the motor connecting shaft 203 in the driving assembly 2, the power can be synchronized through the driving belt 207, and the axial direction of the power transmission is turned through the engagement between the input shaft bevel gear 211 and the pulley bevel gear 212 and is output to the differential 208, and then the output power is transmitted to the differential output shafts 209 on two sides through the differential 208, so that the consistency of the power output of the wheels on two sides can be ensured.
As shown in fig. 1, 7 to 11, the motor heat dissipation frame member 3 includes: the heat dissipation frame 301, the copper pipe insertion channel 302, the heat dissipation through cavity 303, the heat dissipation copper pipe 304, the aluminum sheet groove 305, the heat conduction film 306, the heat dissipation aluminum sheet 307, the fixed clamping piece 308, the clamping piece hole 309, the copper pipe rotating head 310, the copper pipe external inlet 311, the copper pipe external outlet 312 and the copper pipe baffle ring 313; a plurality of copper pipe inserting channels 302 are integrally and equidistantly distributed on the outer side of the heat dissipation frame 301, and a heat dissipation through cavity 303 is formed in each copper pipe inserting channel 302; aluminum sheet grooves 305 are formed in the heat dissipation frame 301 and located between the copper pipe insertion channels 302, heat conduction films 306 are fixedly mounted on the inner side surface of the heat dissipation frame 301 and located inside each aluminum sheet groove 305, and a plurality of heat dissipation aluminum sheets 307 are integrally arranged between the inner walls of the two sides of each aluminum sheet groove 305; two fixing clips 308 are integrally arranged at the lower end of the heat dissipation frame 301, and two clip holes 309 are formed in the two fixing clips 308; each copper pipe inserting channel 302 is internally and slidably inserted with a heat dissipation copper pipe 304, each heat dissipation copper pipe 304 is provided with a copper pipe rotating head 310 in a matched mode, copper pipe external inlets 311 are integrally formed in the side faces of the copper pipe rotating heads 310, copper pipe baffle rings 313 and copper pipe external outlets 312 are integrally formed in the side faces of the heat dissipation copper pipes 304, an opening is formed in the heat dissipation frame 301 and located between the two fixing clamping pieces 308, and the copper pipe rotating heads 310 are in threaded sealing connection with the heat dissipation copper pipes 304.
Through foretell technical scheme, through connect on copper external connection entry 311 and copper external connection export 312 with on-vehicle cooling system, with the low coolant of temperature, through heat dissipation copper pipe 304 inner loop, for whole heat dissipation frame 301 cooling down, and the heat dissipation aluminum sheet 307 in the outside can absorb the temperature to cool down heat conduction film 306, thereby can cool down synchronous machine 1's shell, thereby cooling down that can be better, guarantee the inside magnetism of motor.
As shown in fig. 1, 12 to 14, the coaxial transmission connector 4 includes: a wheel connecting shaft 401, a transmission connecting shaft 402, a wheel connecting shaft outer clamping cylinder 403, a transmission connecting shaft outer clamping cylinder 404, a connecting pin inserting hole 405, a connecting pin 406, a connecting thread head 407 and a connecting thread seat 408; one end of the wheel connecting shaft 401 is integrally connected with a wheel connecting shaft outer clamping cylinder 403, one end of the transmission connecting shaft 402 is integrally connected with a transmission connecting shaft outer clamping cylinder 404, a connecting thread seat 408 is integrally arranged in the wheel connecting shaft outer clamping cylinder 403, and a connecting thread head 407 is integrally arranged in the transmission connecting shaft outer clamping cylinder 404; the outer clamping cylinder 403 of the wheel connecting shaft, the outer clamping cylinder 404 of the transmission connecting shaft, the connecting threaded head 407 and the connecting threaded seat 408 are provided with a plurality of connecting pin jacks 405, each connecting pin jack 405 is internally provided with a connecting pin 406, the outer end of the wheel connecting shaft 401 is fixedly connected with the connecting shaft 5 of the driving wheel in a coaxial way, and the outer end of the transmission connecting shaft 402 is fixedly connected with the output shaft 209 of the differential mechanism in a coaxial way.
Through foretell technical scheme, through inserting connecting pin 406 in the connecting pin jack 405 of wheel connecting axle outer card section of thick bamboo 403, transmission connecting axle outer card section of thick bamboo 404, connection screw thread head 407 and connection screw thread seat 408 side to can increase coaxial transmission effect, can conveniently dismantle simultaneously, carry out the vehicle maintenance.
Working principle:
according to the invention, the motor cooling frame 3 arranged on the outer side of the synchronous motor 1 can be used for communicating a cooling system in a vehicle to the motor cooling frame, so that the temperature of the outer stator of the synchronous motor 1 is increased, and after the temperature of the stator is reduced, the heat of the middle permanent magnet can be taken away at the same time, so that the permanent magnet is cooled, the magnetism of the permanent magnet is kept, and the power output of the synchronous motor 1 can be ensured;
when the output power of the synchronous motor 1 is transmitted to the first motor transmission belt pulley 204 through the motor connecting shaft 203 in the transmission assembly 2, the power can be synchronized through the transmission belt 207, the axial direction of the power transmission is turned through the engagement between the input shaft bevel gear 211 and the belt pulley bevel gear 212 and is output to the differential 208, and then the output power is transmitted to the differential output shafts 209 on two sides through the differential 208, so that the consistent power output of the wheels on two sides can be ensured;
the vehicle-mounted cooling system is connected to the copper pipe external inlet 311 and the copper pipe external outlet 312, so that a cooling medium with low temperature is circulated in the heat dissipation copper pipe 304 to cool the whole heat dissipation frame 301, the heat dissipation aluminum sheet 307 on the outer side can absorb the temperature and cool the heat conduction film 306, the shell of the synchronous motor 1 can be cooled, and therefore the temperature of the shell can be reduced better, and the magnetism of the interior of the motor is ensured;
wherein, through inserting connecting pin 406 in the connecting pin jack 405 of wheel connecting axle outer card section of thick bamboo 403, transmission connecting axle outer card section of thick bamboo 404, connection screw thread head 407 and connection screw thread seat 408 side to can increase coaxial transmission effect, can conveniently dismantle simultaneously, carry out the vehicle maintenance.
It should be understood that the foregoing examples of the present invention are merely illustrative of the present invention and not limiting of the embodiments of the present invention, and that various other changes and modifications can be made by those skilled in the art based on the above description, and it is not intended to be exhaustive of all of the embodiments, and all obvious changes and modifications that come within the scope of the invention are defined by the following claims.
Claims (10)
1. The driving motor of the electric vehicle comprises a synchronous motor (1), and is characterized in that a transmission assembly (2) is fixedly arranged at one end of an output shaft of the synchronous motor (1), motor radiating frame pieces (3) are fixedly arranged at the outer sides of the synchronous motor (1), coaxial transmission connecting pieces (4) are arranged at two ends of the transmission assembly (2), driving wheel connecting shafts (5) are fixedly connected to the outer ends of the two coaxial transmission connecting pieces (4), and wheel mounting seats (6) are fixedly arranged at the outer ends of the two driving wheel connecting shafts (5);
the upper end of the synchronous motor (1) is provided with a synchronous motor electric box (7), and the synchronous motor electric box (7) is provided with a plurality of electric box connectors (8).
2. A drive motor of an electric vehicle according to claim 1, characterized in that the transmission assembly (2) comprises: a transmission assembly housing (201), housing fins (202), a motor connecting shaft (203), a first motor transmission pulley (204), a pulley rotating shaft (205), a second motor transmission pulley (206), a transmission belt (207), a differential (208), a differential output shaft (209), a differential input shaft (210), an input shaft bevel gear (211) and a pulley bevel gear (212);
two transmission component shells (201) are fixedly arranged at one end of the synchronous motor (1), a motor connecting shaft (203) is inserted in one transmission component shell (201) in a rotating mode, a first motor transmission belt pulley (204) is coaxially and fixedly connected to the inner end of the motor connecting shaft (203), a belt pulley rotating shaft (205) is rotatably arranged on the inner wall of the transmission component shell (201), a second motor transmission belt pulley (206) is coaxially and fixedly arranged at the inner end of the belt pulley rotating shaft (205), and a transmission belt (207) is rotatably sleeved on the first motor transmission belt pulley (204) and the second motor transmission belt pulley (206);
one end of the second motor driving belt pulley (206) far away from the belt pulley rotating shaft (205) is coaxially and fixedly connected with a belt pulley bevel gear (212);
a differential mechanism output shaft (209) is rotatably arranged on the transmission assembly shell (201), a differential mechanism (208) is arranged between the two differential mechanism output shafts (209), a differential mechanism input shaft (210) is coaxially arranged at the input end of the differential mechanism (208), and an input shaft bevel gear (211) is coaxially and fixedly connected at the front end of the differential mechanism input shaft (210);
a plurality of shell cooling fins (202) are integrally arranged on the outer surface of the transmission assembly shell (201).
3. A drive motor for an electric vehicle according to claim 2, characterized in that the motor connection shaft (203) is fixedly connected coaxially to the output shaft of the synchronous motor (1).
4. A drive motor for an electric vehicle according to claim 3, characterized in that two of the differential output shafts (209) are connected to two outputs of the differential (208), respectively.
5. A drive motor for an electric vehicle according to claim 4, characterized in that the input shaft bevel gear (211) is in meshing connection with a pulley bevel gear (212).
6. A drive motor for an electric vehicle according to claim 1, characterized in that the motor heat dissipation frame (3) comprises: the heat dissipation device comprises a heat dissipation frame (301), copper pipe inserting channels (302), a heat dissipation through cavity (303), a heat dissipation copper pipe (304), an aluminum sheet groove (305), a heat conduction film (306), a heat dissipation aluminum sheet (307), a fixed clamping piece (308), a clamping piece hole (309), a copper pipe rotating head (310), a copper pipe external inlet (311), a copper pipe external outlet (312) and a copper pipe baffle ring (313);
a plurality of copper pipe inserting channels (302) are integrally and equidistantly distributed on the outer side of the heat dissipation frame (301), and a heat dissipation through cavity (303) is formed in each copper pipe inserting channel (302);
aluminum sheet grooves (305) are formed in the heat dissipation frame (301) and located between the copper pipe inserting channels (302), heat conduction films (306) are fixedly installed on the inner side surfaces of the heat dissipation frame (301) and located inside the aluminum sheet grooves (305), and a plurality of heat dissipation aluminum sheets (307) are integrally arranged between the inner walls of the two sides of each aluminum sheet groove (305);
two fixing clamping pieces (308) are integrally arranged at the lower end of the heat dissipation frame (301), and two clamping piece holes (309) are formed in the two fixing clamping pieces (308);
each copper pipe inserting channel (302) is internally and slidably inserted with a heat dissipation copper pipe (304), each heat dissipation copper pipe (304) is provided with a copper pipe rotating head (310) in a matched mode, copper pipe external inlets (311) are integrally formed in the side faces of the copper pipe rotating heads (310), and copper pipe baffle rings (313) and copper pipe external outlets (312) are integrally formed in the side faces of the heat dissipation copper pipes (304).
7. The drive motor of an electric vehicle according to claim 6, characterized in that the heat dissipation frame (301) is open between two fixing clips (308).
8. The drive motor of an electric vehicle according to claim 7, wherein the copper tube swivel (310) is connected to the heat dissipation copper tube (304) by a screw seal.
9. A drive motor for an electric vehicle according to claim 5, characterized in that the coaxial transmission connection (4) comprises: the wheel connecting shaft (401), the transmission connecting shaft (402), the wheel connecting shaft outer clamping cylinder (403), the transmission connecting shaft outer clamping cylinder (404), the connecting pin jack (405), the connecting pin (406), the connecting thread head (407) and the connecting thread seat (408);
one end of the wheel connecting shaft (401) is integrally connected with a wheel connecting shaft outer clamping cylinder (403), one end of the transmission connecting shaft (402) is integrally connected with a transmission connecting shaft outer clamping cylinder (404), a connecting thread seat (408) is integrally arranged in the wheel connecting shaft outer clamping cylinder (403), and a connecting thread head (407) is integrally arranged in the transmission connecting shaft outer clamping cylinder (404);
the wheel connecting shaft outer clamping cylinder (403), the transmission connecting shaft outer clamping cylinder (404), the connecting thread head (407) and the connecting thread seat (408) are provided with a plurality of connecting pin jacks (405) on the side surfaces, and each connecting pin jack (405) is internally provided with a connecting pin (406).
10. The drive motor of an electric vehicle according to claim 9, characterized in that the outer end of the wheel connecting shaft (401) is fixedly connected coaxially with the drive wheel connecting shaft (5), and the outer end of the transmission connecting shaft (402) is fixedly connected coaxially with the differential output shaft (209).
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CN202310973898.XA CN116722697B (en) | 2023-08-04 | 2023-08-04 | Driving motor of electric vehicle |
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CN202310973898.XA CN116722697B (en) | 2023-08-04 | 2023-08-04 | Driving motor of electric vehicle |
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CN116722697B CN116722697B (en) | 2023-12-19 |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN206485201U (en) * | 2016-10-12 | 2017-09-12 | 深圳市晓鸟动力技术有限公司 | A kind of permagnetic synchronous motor difference device drive assembly of electric automobile |
CN208190391U (en) * | 2018-02-12 | 2018-12-04 | 比亚迪股份有限公司 | Electronic assembly and vehicle with it |
CN209051291U (en) * | 2018-11-15 | 2019-07-02 | 合普动力股份有限公司 | A kind of integrated form power-driven system for electric vehicle |
CN216774514U (en) * | 2021-12-28 | 2022-06-17 | 江苏宗申电动车有限公司 | Large-torque transmission motor for electric vehicle |
-
2023
- 2023-08-04 CN CN202310973898.XA patent/CN116722697B/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN206485201U (en) * | 2016-10-12 | 2017-09-12 | 深圳市晓鸟动力技术有限公司 | A kind of permagnetic synchronous motor difference device drive assembly of electric automobile |
CN208190391U (en) * | 2018-02-12 | 2018-12-04 | 比亚迪股份有限公司 | Electronic assembly and vehicle with it |
CN209051291U (en) * | 2018-11-15 | 2019-07-02 | 合普动力股份有限公司 | A kind of integrated form power-driven system for electric vehicle |
CN216774514U (en) * | 2021-12-28 | 2022-06-17 | 江苏宗申电动车有限公司 | Large-torque transmission motor for electric vehicle |
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