CN113162267A - Integrated inner ring cooling type hub motor - Google Patents
Integrated inner ring cooling type hub motor Download PDFInfo
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- CN113162267A CN113162267A CN202110259898.4A CN202110259898A CN113162267A CN 113162267 A CN113162267 A CN 113162267A CN 202110259898 A CN202110259898 A CN 202110259898A CN 113162267 A CN113162267 A CN 113162267A
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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
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
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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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- 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
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- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The utility model provides an integrated inner ring cooled in-wheel motor includes: the motor comprises a motor stator, wherein a stator sleeve is arranged at the center of the motor stator, stator cores are uniformly arranged on the outer side of the stator sleeve in a circumferential shape, and winding coils are arranged on the outer side of the stator cores; the central fixed shaft is nested and arranged on the inner side of the stator sleeve; and the rotor sealing shell is nested outside the motor stator. The motor stator is completely covered by the sealed rotary bin of the rotor sealed shell, the cooling oil filled in the sealed rotary bin absorbs the heat generated by the winding coil, the conveying turbine linked with the rotor sealed shell can convey the cooling oil to the shunt cooling pipe from the central conveying cylinder, the cooling oil is radiated by the radiating fins on the outer side of the shunt cooling pipe and then flows back to the sealed rotary bin through the interval backflow layer to form a complete cooling circulation system, so that the motor is cooled by the power of the motor, and the integral radiating efficiency and the integration level of the motor are improved.
Description
Technical Field
The utility model relates to an in-wheel motor technical field especially relates to an integrated inner ring cooling type in-wheel motor.
Background
The wheel hub motor is also called as wheel built-in motor, and its most important feature is that the power, transmission and brake devices are all integrated in the wheel hub, so that the mechanical part of the electric vehicle is greatly simplified, and the wheel hub motor is mainly divided into inner rotor type and outer rotor type according to the rotor type of the motor, and the modern wheel hub motor is generally a brushless motor with higher efficiency, and at the same time, because it is more integrated and the corresponding load change is larger, the heating value of the corresponding coil is larger, and the corresponding cooling structure is needed to ensure the stability of its working temperature.
The applicant finds that due to the particularity of the working environment of an automobile, the integral structure of the hub motor is required to be in a sealed form, so that the traditional air-cooled structure is difficult to use, external air flows through an internal coil of the motor to carry out heat dissipation, a corresponding heat conduction groove or heat conduction fin is arranged on an outer shell of a general hub motor, the heat conduction fin is driven to rotate through the rotation of a rotor of the hub motor, and further the whole motor is subjected to heat dissipation, but the heat dissipation area is still small, the whole heat dissipation power is low, the heat dissipation is difficult to apply to a high-power hub motor, and the hub motor of the structure usually needs to use a longer cooling conveying pipeline to convey cooling liquid to the same radiator for heat dissipation when the liquid cooling is carried out, although the heat dissipation power is higher, the length of the whole pipeline is longer, damage and leakage are easy to occur, and the reliability is lower.
Disclosure of Invention
In view of the above, the present disclosure is directed to an integrated inner ring cooling type hub motor to solve the problems.
Based on above-mentioned purpose, this disclosure provides an integrated inner ring cooled in-wheel motor, includes:
the motor comprises a motor stator, wherein a stator sleeve is arranged at the center of the motor stator, a fixed embedding groove is formed in the middle of the stator sleeve, stator cores are uniformly arranged on the outer side of the stator sleeve in a circumferential manner, and winding coils are arranged on the outer side of the stator cores;
the central fixed shaft is nested inside the stator sleeve, a fixed embedding block is arranged on the outer side wall of the central fixed shaft in parallel, a central conveying cylinder is arranged inside the central fixed shaft, a cooling communication hole is formed in the front end of the central conveying cylinder, a conical collecting pipe is arranged at the rear end of the central conveying cylinder, a horizontal conveying pipe is arranged at the rear end of the conical collecting pipe, an interval backflow layer is arranged on the outer side of the horizontal conveying pipe, and a cooling backflow hole is formed in the middle of the interval backflow layer;
the rotor sealing shell is nested outside the motor stator, a sealing rotary bin is arranged inside the rotor sealing shell, a fixed magnet is arranged in the middle of the rotor sealing shell, connecting sleeves are arranged at the front end and the rear end of the rotor sealing shell, a spacing sealing ring is arranged on one side of each connecting sleeve, which is close to the vertical central line of the rotor sealing shell, a spacing bearing is arranged on the inner side of each connecting sleeve, and a linkage sleeve is arranged on the front side of the connecting sleeve, which is arranged at the front end of the rotor sealing shell;
the central connecting frame is arranged at the rear side of the rotor sealing shell, a plurality of inclined blades are uniformly arranged on the outer side of the central connecting frame in a circumferential shape, and the outer ends of the inclined blades are provided with protective outer rings;
the conveying turbine is embedded and arranged on the inner side of the central conveying cylinder, a central transmission shaft is arranged at the center of the conveying turbine, and a linkage plug is arranged at the front end of the central transmission shaft;
the reposition of redundant personnel cooling tube set up in horizontal transfer pipe's rear end, the front end of reposition of redundant personnel cooling tube is provided with input port, the rear end of reposition of redundant personnel cooling tube is provided with output port, the outside of reposition of redundant personnel cooling tube evenly is provided with a plurality of heat radiation fins.
In some optional embodiments, the motor stator is nested with the central fixed shaft through the stator sleeve, an axial center line of the motor stator and an axial center line of the central transmission shaft are located on the same straight line, and the fixing and embedding grooves and the fixing and embedding blocks are matched in size.
In some optional embodiments, cooling oil is filled between the sealed rotary bins, and the central conveying cylinder is communicated with the sealed rotary bins through the cooling communication holes.
In some optional embodiments, the central conveying cylinder is communicated with the horizontal conveying pipe through the tapered collecting pipe, and the interval backflow layer is communicated with the sealed rotary bin through the cooling backflow hole.
In some optional embodiments, the rotor seal housing is nested and rotationally connected with the central fixed shaft through the connecting sleeve, and the connecting sleeve is rotationally connected with the central fixed shaft through the spacing bearing.
In some alternative embodiments, the axial centerline of the rotor seal housing is aligned with the axial centerline of the central drive shaft, and the spacer seal ring is sized to mate with the central stationary shaft.
In some alternative embodiments, the delivery turbine and the central delivery cylinder are mutually matched in size, and the axial center line of the central transmission shaft and the axial center line of the central fixed shaft are positioned on the same straight line.
In some alternative embodiments, the central drive shaft is interconnected to the rotor seal housing by the linkage plug and the linkage sleeve, the linkage plug and the linkage sleeve being cooperatively dimensioned.
In some optional embodiments, the split-flow cooling pipes are uniformly arranged in a circumferential manner around the outside of the axial center line of the central fixed shaft, the heat dissipation fins are in a circular structure, and the heat dissipation fins are uniformly laminated around the outside of the axial center line of the central fixed shaft.
In some optional embodiments, the split cooling tubes are in communication with the horizontal transport tubes through the input ports, and the split cooling tubes are in communication with the spaced apart recirculation layers through the output ports.
As can be seen from the above, in the integrated inner ring cooling type hub motor provided by the present disclosure, the sealed rotating chamber of the rotor sealing shell completely covers the motor stator, the cooling oil filled in the sealed rotating chamber can completely immerse the plurality of winding coils arranged on the motor stator, and further the cooling oil absorbs the heat generated by the winding coils, the hollow central conveying cylinder is arranged inside the central fixed shaft in the middle of the motor stator, the central conveying cylinder is communicated with the sealed rotating chamber, and the conveying turbine linked with the rotor sealing shell is arranged inside the central conveying cylinder, so that the cooling oil in the sealed rotating chamber can be conveyed from the central conveying cylinder to the rear end of the horizontal conveying pipe, and the horizontal conveying pipe is communicated with one end of the split cooling pipe, so that the cooling oil can be conveyed into the split cooling pipe, and can be dissipated through the heat dissipating fins outside the split cooling pipe, and the dissipated cooling oil can be output from the split cooling pipe, and the backflow enters the sealed rotary bin through the interval backflow layer to form a complete cooling circulation system, so that the motor can be cooled through the power of the motor, and the overall heat dissipation efficiency and the integration level of the motor can be improved.
Drawings
In order to more clearly illustrate the technical solutions in the present disclosure or related technologies, the drawings needed to be used in the description of the embodiments or related technologies are briefly introduced below, and it is obvious that the drawings in the following description are only embodiments of the present disclosure, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic diagram of the internal structure of an embodiment of the present disclosure;
FIG. 2 is a schematic front view of an embodiment of the present disclosure;
FIG. 3 is a schematic diagram of a backside structure of an embodiment of the present disclosure;
FIG. 4 is a schematic structural view in longitudinal cross-section of an embodiment of the present disclosure;
fig. 5 is a schematic structural view of a stator of an electric machine according to an embodiment of the present disclosure;
FIG. 6 is a schematic view of the internal structure of the central stationary shaft according to an embodiment of the present disclosure;
FIG. 7 is a schematic view of the internal structure of a rotor seal housing according to an embodiment of the present disclosure;
fig. 8 is a partial structural schematic view of a split cooling tube according to an embodiment of the present disclosure.
Detailed Description
To make the objects, technical solutions and advantages of the present disclosure more apparent, the present disclosure is further described in detail below with reference to specific embodiments.
It is to be noted that technical terms or scientific terms used in the embodiments of the present disclosure should have a general meaning as understood by those having ordinary skill in the art to which the present disclosure belongs, unless otherwise defined. The use of "first," "second," and similar terms in the embodiments of the disclosure is not intended to indicate any order, quantity, or importance, but rather to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
The utility model discloses, integrated inner ring cooled in-wheel motor includes:
the motor stator 1 is provided with a stator sleeve 101 at the center of the motor stator 1, a fixed embedding groove 102 is arranged in the middle of the stator sleeve 101, stator cores 103 are uniformly arranged on the outer side of the stator sleeve 101 in a circumferential manner, and winding coils 104 are arranged on the outer side of the stator cores 103;
the stator comprises a central fixed shaft 2, a stator sleeve 101 and a stator sleeve, wherein the central fixed shaft 2 is nested and arranged on the inner side of the stator sleeve 101, a fixed embedding block 201 is arranged on the outer side wall of the central fixed shaft 2 in parallel, a central conveying cylinder 202 is arranged inside the central fixed shaft 2, a cooling communication hole 203 is formed in the front end of the central conveying cylinder 202, a conical collecting pipe 204 is arranged at the rear end of the central conveying cylinder 202, a horizontal conveying pipe 205 is arranged at the rear end of the conical collecting pipe 204, an interval reflux layer 206 is arranged on the outer side of the horizontal conveying pipe 205, and a cooling reflux hole 207 is formed in the middle of the interval reflux layer 206;
the motor stator comprises a rotor sealing shell 3 which is nested and arranged at the outer side of a motor stator 1, a sealing rotary bin 301 is arranged inside the rotor sealing shell 3, a fixed magnet 302 is arranged in the middle of the rotor sealing shell 3, connecting sleeves 303 are arranged at the front end and the rear end of the rotor sealing shell 3, a spacing sealing ring 304 is arranged on one side, close to the vertical central line of the rotor sealing shell 3, of each connecting sleeve 303, a spacing bearing 305 is arranged on the inner side of each connecting sleeve 303, and a linkage sleeve 306 is arranged on the front side, close to the connecting sleeve 303, of the front end of the rotor sealing shell 3;
the central connecting frame 4 is arranged at the rear side of the rotor sealing shell 3, a plurality of inclined blades 401 are uniformly arranged on the outer side of the central connecting frame 4 in a circumferential shape, and the outer ends of the inclined blades 401 are provided with a protective outer ring 402;
the conveying turbine 5 is embedded and arranged on the inner side of the central conveying cylinder 202, a central transmission shaft 501 is arranged at the center of the conveying turbine 5, and a linkage plug 502 is arranged at the front end of the central transmission shaft 501;
the split-flow cooling pipe 6 is arranged at the rear end of the horizontal conveying pipe 205, an input port 601 is arranged at the front end of the split-flow cooling pipe 6, an output port 602 is arranged at the rear end of the split-flow cooling pipe 6, and a plurality of radiating fins 603 are uniformly arranged on the outer side of the split-flow cooling pipe 6.
Referring to fig. 1 to 8, as an embodiment of the present invention, an integrated inner ring cooling type hub motor includes: the motor stator 1 is provided with a stator sleeve 101 at the center of the motor stator 1, a fixed embedding groove 102 is arranged in the middle of the stator sleeve 101, stator cores 103 are uniformly arranged on the outer side of the stator sleeve 101 in a circumferential manner, and winding coils 104 are arranged on the outer side of the stator cores 103; the stator comprises a central fixed shaft 2, a stator sleeve 101 and a stator sleeve, wherein the central fixed shaft 2 is nested and arranged on the inner side of the stator sleeve 101, a fixed embedding block 201 is arranged on the outer side wall of the central fixed shaft 2 in parallel, a central conveying cylinder 202 is arranged inside the central fixed shaft 2, a cooling communication hole 203 is formed in the front end of the central conveying cylinder 202, a conical collecting pipe 204 is arranged at the rear end of the central conveying cylinder 202, a horizontal conveying pipe 205 is arranged at the rear end of the conical collecting pipe 204, an interval reflux layer 206 is arranged on the outer side of the horizontal conveying pipe 205, and a cooling reflux hole 207 is formed in the middle of the interval reflux layer 206; the motor stator comprises a rotor sealing shell 3 which is nested and arranged at the outer side of a motor stator 1, a sealing rotary bin 301 is arranged inside the rotor sealing shell 3, a fixed magnet 302 is arranged in the middle of the rotor sealing shell 3, connecting sleeves 303 are arranged at the front end and the rear end of the rotor sealing shell 3, a spacing sealing ring 304 is arranged on one side, close to the vertical central line of the rotor sealing shell 3, of each connecting sleeve 303, a spacing bearing 305 is arranged on the inner side of each connecting sleeve 303, and a linkage sleeve 306 is arranged on the front side, close to the connecting sleeve 303, of the front end of the rotor sealing shell 3; the central connecting frame 4 is arranged at the rear side of the rotor sealing shell 3, a plurality of inclined blades 401 are uniformly arranged on the outer side of the central connecting frame 4 in a circumferential shape, and the outer ends of the inclined blades 401 are provided with a protective outer ring 402; the conveying turbine 5 is embedded and arranged on the inner side of the central conveying cylinder 202, a central transmission shaft 501 is arranged at the center of the conveying turbine 5, and a linkage plug 502 is arranged at the front end of the central transmission shaft 501; the split-flow cooling pipe 6 is arranged at the rear end of the horizontal conveying pipe 205, an input port 601 is arranged at the front end of the split-flow cooling pipe 6, an output port 602 is arranged at the rear end of the split-flow cooling pipe 6, and a plurality of radiating fins 603 are uniformly arranged on the outer side of the split-flow cooling pipe 6.
Referring to fig. 1 to 8, optionally, a motor stator 1 of the motor is nested with a central fixed shaft 2 through a stator sleeve 101, and an axial center line of the motor stator 1 and an axial center line of a central transmission shaft 501 are located on the same straight line, while an outer surface of the central fixed shaft 2 is correspondingly provided with a fixed embedding block 201, and a size of the fixed embedding block 201 is matched with that of the fixed embedding block 201, so that the motor stator 1 can be synchronously and fixedly connected with the central fixed shaft 2, the motor stator 1 is correspondingly provided with a stator core 103 and a winding coil 104, a rotor of the motor is a rotor sealing shell 3, and the rotor sealing shell 3 is nested and rotatably connected with the central fixed shaft 2 through a connecting sleeve 303, and the connecting sleeve 303 and the central fixed shaft 2 are rotatably connected through a spacer bearing 305 to reduce a rotational friction force, and an axial center line of the rotor sealing shell 3 and an axial center line of the central transmission shaft 501 are located on the same straight line, the size is mutually supported between interval sealing washer 304 and the central fixed axle 2, can seal the seam between connecting sleeve 303 and the central fixed axle 2 through interval sealing washer 304, and then make the inside sealed rotatory storehouse 301 of rotor seal shell 3 constitute sealed space, thereby make rotor seal shell 3 with the sealed inboard of the whole cage cover of motor stator 1, in order to avoid external environment to cause the influence to inside motor stator 1 and other devices, be favorable to improving holistic protectiveness and reliability of motor.
Referring to fig. 1 to 8, optionally, the motor covers and seals the whole motor stator 1 inside through the rotor sealing shell 3 to avoid the external environment from affecting the internal motor stator 1 and other devices, and cooling oil is filled between the sealed rotating bins 301 inside the rotor sealing shell 3, the winding coils 104 on the motor stator 1 can be immersed through the cooling oil, and then the heat of the winding coils 104 can be absorbed through the cooling oil to dissipate the heat, the center fixed shaft 2 is of a hollow structure as a whole, the center conveying cylinder 202 is correspondingly arranged inside, the center conveying cylinder 202 is communicated with the sealed rotating bins 301 through the cooling communication holes 203, so that the cooling oil in the sealed rotating bins 301 can be input into the center conveying cylinder 202 through the cooling communication holes 203, the conveying turbine 5 is correspondingly arranged inside the center conveying cylinder 202, and the conveying turbine 5 and the center conveying cylinder 202 are matched in size, the axial center line of the central transmission shaft 501 and the axial center line of the central fixed shaft 2 are positioned on the same straight line, the cooling oil in the central conveying cylinder 202 can be conveyed by the rotation of the conveying turbine 5, the cooling oil in the sealed rotary bin is pumped into the central conveying cylinder 202 and conveyed to the rear side of the central conveying cylinder 202, the rear side of the central conveying cylinder 202 is correspondingly provided with a conical collecting pipe 204, the central conveying cylinder 202 is communicated with the horizontal conveying pipe 205 through the conical collecting pipe 204, so that the cooling oil can be conveyed to the horizontal conveying pipe 205, the rear end of the horizontal conveying pipe 205 is connected with a cooling structure, the cooling oil can be cooled, a cooling conveying system can be formed by the conveying turbine 5, so that the cooling oil in the sealed rotary bin 301 can be conveyed to the cooling structure for cooling, the whole motor can be cooled, and the conveying turbine 5 is driven by the rotation of the central transmission shaft 501, the central transmission shaft 501 is connected with the rotor sealing shell 3 through the linkage plug 502 and the linkage sleeve 306, and the linkage plug 502 is matched with the linkage sleeve 306 in size, so that the transmission turbine 5 can be driven to rotate through the rotation of the rotor sealing shell 3, cooling oil is transmitted through the transmission turbine 5 for cooling, the transmission efficiency is higher when the transmission turbine 5 rotates at a higher speed, and the rotation speed of the rotor sealing shell 3 is in direct proportion to the integral power of the winding coil 104, so that when the integral power of the winding coil 104 is increased and the heat release is increased, the rotation speeds of the rotor sealing shell 3 and the transmission turbine 5 are higher, the transmission cooling efficiency of the whole motor can be timely adjusted according to the integral power of the winding coil 104, and the use is more flexible and reliable.
Referring to fig. 1 to 8, optionally, the motor can convey the cooling oil inside the central conveying cylinder 202 by the rotation of the conveying turbine 5, and can convey the cooling oil to the horizontal conveying pipe 205, and the rear end of the horizontal conveying pipe 205 is correspondingly provided with the split cooling pipe 6, the split cooling pipe 6 is uniformly arranged in a circumferential manner around the outside of the axial center line of the central fixed shaft 2, and the split cooling pipe 6 is communicated with the horizontal conveying pipe 205 through the input port 601, so that the cooling oil can be further conveyed into the split cooling pipe 6, the split cooling pipe 6 is in a U-shaped structure, and the outside is provided with a plurality of cooling fins 603, and the cooling fins 603 are in a circular structure, the cooling fins 603 are uniformly laminated around the outside of the axial center line of the central fixed shaft 2, so that the heat of the cooling oil in the split cooling pipe 6 can be transferred, and the front sides of the cooling fins 603 are correspondingly provided with the inclined blades 401, the inclined blades 401 are fixedly connected with the rotor sealing shell 3 through the central connecting frame 4, the plurality of inclined blades 401 are arranged around the rotor sealing shell 3 to form a radiating fan structure, the inclined blades can synchronously rotate along with the rotor sealing shell 3, so that air can radiate the rotor sealing shell through the radiating fins 603, and further the cooling oil and the whole motor can be radiated, meanwhile, the rotating speed of the inclined blades 401 is higher, the air quantity flowing through the radiating fins 603 in unit time is higher, and further the radiating efficiency is higher, the inclined blades 401 are driven to rotate through the rotor sealing shell 3, so that the overall conveying cooling efficiency of the motor can be timely adjusted according to the overall power of the winding coil 104, the inclined blades are more flexible and reliable in use, the shunting cooling pipes 6 are mutually communicated with the interval backflow layer 206 through the output ports 602, and the cooling oil can flow back and enter the interval backflow layer 206 after being cooled by the shunting cooling pipes 6, the interval return layer 206 is communicated with the sealed rotary bin 301 through the cooling return hole 207, so that cooling oil can flow back to enter the sealed rotary bin 301, a complete cooling circulation passage is formed, the whole motor is cooled through circulation of the cooling oil, and the heat dissipation efficiency and the reliability are higher.
When the vehicle is used, firstly, the motor is integrally arranged on a required vehicle, corresponding pipelines are connected, the central fixed shaft 2 can be fixedly connected with a vehicle suspension frame through an inner suspension connecting frame, the rotor sealing shell 3 can be used for installing and fixing a tire through an outer connecting flange, when the vehicle normally runs, the winding coil 104 of the motor stator 1 drives the rotor sealing shell 3 to integrally rotate around the central fixed shaft 2 through the fixed magnet 302 so as to drive the tire on the rotor sealing shell to rotate, meanwhile, the cooling oil in the rotary cabin 301 is sealed to immerse the winding coil 104 and absorb heat on the winding coil, the cooling oil can enter the central conveying cylinder 202 through the cooling communication hole 203, the rotor sealing shell 3 drives the central transmission shaft 501 to synchronously rotate through the linkage sleeve 306 and the linkage plug 502 so as to drive the conveying turbine 5 to rotate, and the conveying turbine 5 pumps the cooling oil in the sealed rotary cabin 301 into the central conveying cylinder 202 through the cooling hole 203, the cooling oil is conveyed to the horizontal conveying pipe 205 through the tapered collecting pipe 204, the cooling oil is further input into the shunting cooling pipe 6 through the horizontal conveying pipe 205, the inclined blades 401 are arranged around the rotor sealing shell 3 to form a cooling fan structure and synchronously rotate along with the rotor sealing shell 3, the air is cooled through the cooling fins 603, the cooling oil is further cooled, and after the cooling oil is cooled through the shunting cooling pipe 6, the cooling oil can be conveyed back to enter the interval backflow layer 206 and then enters the sealed rotary bin 301 through the cooling backflow hole 207 in a backflow mode, and cooling work is completed.
The integrated inner ring cooling type hub motor provided by the invention completely covers the motor stator 1 through the sealing rotary bin 301 of the rotor sealing shell 3, the cooling oil filled in the sealing rotary bin 301 can completely immerse the plurality of winding coils 104 arranged on the motor stator 1, and further absorbs heat generated by the winding coils 104 through the cooling oil, the hollow central conveying cylinder 202 is arranged in the central fixed shaft 2 in the middle of the motor stator 1, the central conveying cylinder 202 is communicated with the sealing rotary bin 301, the conveying turbine 5 linked with the rotor sealing shell 3 is arranged in the central conveying cylinder 202, the cooling oil in the sealing rotary bin 301 can be conveyed to the rear end of the horizontal conveying pipe 205 through the central conveying cylinder 202, the horizontal conveying pipe 205 is communicated with one end of the shunting cooling pipe 6, so that the cooling oil can be conveyed into the shunting cooling pipe 6, and heat dissipation is carried out through the heat dissipation fins 603 on the outer side of the shunting cooling pipe 6, and the cooling oil which finishes the heat dissipation can be output to the shunt cooling pipe 6 and flows back to the sealed rotary bin 301 through the interval return layer 206 to form a complete cooling circulation system, so that the motor can be cooled through the power of the motor, and the integral heat dissipation efficiency and the integral degree of the motor can be improved.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to suggest that the scope of embodiments of the present disclosure (including the claims) is limited to these examples; within the idea of embodiments of the present disclosure, also technical features in the above embodiments or in different embodiments may be combined, steps may be implemented in any order, and there are many other variations of the different aspects of the embodiments of the present disclosure as described above, which are not provided in detail for the sake of brevity.
While the present disclosure has been described in conjunction with specific embodiments thereof, many alternatives, modifications, and variations of these embodiments will be apparent to those of ordinary skill in the art in light of the foregoing description.
The disclosed embodiments are intended to embrace all such alternatives, modifications and variances which fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalents, improvements, and the like that may be made within the spirit and principles of the embodiments of the disclosure are intended to be included within the scope of the disclosure.
Claims (10)
1. An integrated inner ring cooled in-wheel motor, comprising:
the motor comprises a motor stator, wherein a stator sleeve is arranged at the center of the motor stator, a fixed embedding groove is formed in the middle of the stator sleeve, stator cores are uniformly arranged on the outer side of the stator sleeve in a circumferential manner, and winding coils are arranged on the outer side of the stator cores;
the central fixed shaft is nested inside the stator sleeve, a fixed embedding block is arranged on the outer side wall of the central fixed shaft in parallel, a central conveying cylinder is arranged inside the central fixed shaft, a cooling communication hole is formed in the front end of the central conveying cylinder, a conical collecting pipe is arranged at the rear end of the central conveying cylinder, a horizontal conveying pipe is arranged at the rear end of the conical collecting pipe, an interval backflow layer is arranged on the outer side of the horizontal conveying pipe, and a cooling backflow hole is formed in the middle of the interval backflow layer;
the rotor sealing shell is nested outside the motor stator, a sealing rotary bin is arranged inside the rotor sealing shell, a fixed magnet is arranged in the middle of the rotor sealing shell, connecting sleeves are arranged at the front end and the rear end of the rotor sealing shell, a spacing sealing ring is arranged on one side of each connecting sleeve, which is close to the vertical central line of the rotor sealing shell, a spacing bearing is arranged on the inner side of each connecting sleeve, and a linkage sleeve is arranged on the front side of the connecting sleeve, which is arranged at the front end of the rotor sealing shell;
the central connecting frame is arranged at the rear side of the rotor sealing shell, a plurality of inclined blades are uniformly arranged on the outer side of the central connecting frame in a circumferential shape, and the outer ends of the inclined blades are provided with protective outer rings;
the conveying turbine is embedded and arranged on the inner side of the central conveying cylinder, a central transmission shaft is arranged at the center of the conveying turbine, and a linkage plug is arranged at the front end of the central transmission shaft;
the reposition of redundant personnel cooling tube set up in horizontal transfer pipe's rear end, the front end of reposition of redundant personnel cooling tube is provided with input port, the rear end of reposition of redundant personnel cooling tube is provided with output port, the outside of reposition of redundant personnel cooling tube evenly is provided with a plurality of heat radiation fins.
2. An integrated inner ring cooled in-wheel motor according to claim 1, wherein said motor stator is nested with said central stationary shaft by said stator sleeve, an axial centerline of said motor stator and an axial centerline of said central drive shaft are located on the same line, and said stationary engagement groove and said stationary engagement block are mutually sized.
3. The integrated inner ring cooling type hub motor according to claim 1, wherein cooling oil is filled between the sealed rotary bins, and the central delivery cylinder is communicated with the sealed rotary bins through the cooling communication holes.
4. The integrated inner ring cooling type hub motor as claimed in claim 1, wherein the central delivery cylinder is communicated with the horizontal delivery pipe through the tapered collecting pipe, and the interval backflow layer is communicated with the sealed rotary bin through the cooling backflow hole.
5. The integrated inner ring cooled hub electric machine of claim 1, wherein said rotor seal housing is nested in rotational connection with said central stationary shaft by said connecting sleeve, said connecting sleeve being in rotational connection with said central stationary shaft by said spacer bearing.
6. An integrated inner ring cooled hub electric machine in accordance with claim 1 wherein the axial centerline of said rotor seal housing is collinear with the axial centerline of said central drive shaft, and said spacer seal ring is cooperatively dimensioned with said central stationary shaft.
7. The integrated inner ring cooled hub electric machine of claim 1, wherein the delivery turbine and the central delivery cartridge are sized to cooperate with each other, and the axial centerline of the central drive shaft is aligned with the axial centerline of the central stationary shaft.
8. The integrated inner ring cooled hub electric machine of claim 1, wherein the central drive shaft is interconnected to the rotor seal housing by the linkage plug and the linkage sleeve, the linkage plug and the linkage sleeve being cooperatively dimensioned.
9. The integrated inner ring cooled hub electric machine of claim 1, wherein the split cooling tubes are uniformly circumferentially disposed about the outside of the axial centerline of the central stationary shaft, and wherein the heat sink fins are of circular configuration and are uniformly stacked about the outside of the axial centerline of the central stationary shaft.
10. An integrated inner ring cooled in-wheel motor according to claim 1, wherein said split cooling tubes are in communication with said horizontal feed tube through said inlet port, and said split cooling tubes are in communication with said spaced apart recirculation layer through said outlet port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110259898.4A CN113162267B (en) | 2021-03-10 | 2021-03-10 | Integrated inner ring cooling type hub motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110259898.4A CN113162267B (en) | 2021-03-10 | 2021-03-10 | Integrated inner ring cooling type hub motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113162267A true CN113162267A (en) | 2021-07-23 |
| CN113162267B CN113162267B (en) | 2023-04-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110259898.4A Active CN113162267B (en) | 2021-03-10 | 2021-03-10 | Integrated inner ring cooling type hub motor |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108347136A (en) * | 2018-05-03 | 2018-07-31 | 包头天工电机有限公司 | Oil cooling wheel hub permanent magnet synchronous motor |
| CN110022034A (en) * | 2019-03-11 | 2019-07-16 | 华中科技大学 | A kind of motor and the integrated cooling oil path system of drive control device |
| CN112421833A (en) * | 2020-12-11 | 2021-02-26 | 合肥巨一动力系统有限公司 | Oil cooling rotor structure |
| CN112421889A (en) * | 2020-12-11 | 2021-02-26 | 合肥巨一动力系统有限公司 | Three-in-one oil cold and hot driving structure |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108347136A (en) * | 2018-05-03 | 2018-07-31 | 包头天工电机有限公司 | Oil cooling wheel hub permanent magnet synchronous motor |
| CN110022034A (en) * | 2019-03-11 | 2019-07-16 | 华中科技大学 | A kind of motor and the integrated cooling oil path system of drive control device |
| CN112421833A (en) * | 2020-12-11 | 2021-02-26 | 合肥巨一动力系统有限公司 | Oil cooling rotor structure |
| CN112421889A (en) * | 2020-12-11 | 2021-02-26 | 合肥巨一动力系统有限公司 | Three-in-one oil cold and hot driving structure |
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| CN113162267B (en) | 2023-04-14 |
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