CN117134545B - Efficient heat dissipation hub motor - Google Patents
Efficient heat dissipation hub motor Download PDFInfo
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- CN117134545B CN117134545B CN202311408847.9A CN202311408847A CN117134545B CN 117134545 B CN117134545 B CN 117134545B CN 202311408847 A CN202311408847 A CN 202311408847A CN 117134545 B CN117134545 B CN 117134545B
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- Prior art keywords
- stator
- impeller
- hub
- fixedly arranged
- copper
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 26
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 57
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 57
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 17
- 238000004804 winding Methods 0.000 claims abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000010949 copper Substances 0.000 claims abstract description 9
- 229910052802 copper Inorganic materials 0.000 claims abstract description 9
- 238000007747 plating Methods 0.000 claims abstract description 9
- 239000002826 coolant Substances 0.000 claims description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 8
- 239000004721 Polyphenylene oxide Substances 0.000 claims description 7
- 229920013639 polyalphaolefin Polymers 0.000 claims description 7
- 229920000570 polyether Polymers 0.000 claims description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 238000009713 electroplating Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 3
- 238000001816 cooling Methods 0.000 abstract description 18
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000010438 heat treatment Methods 0.000 abstract description 4
- 239000004411 aluminium Substances 0.000 abstract 2
- 230000005855 radiation Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 5
- 239000007788 liquid Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000005347 demagnetization Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Classifications
-
- 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
- H02K3/00—Details of windings
- H02K3/02—Windings characterised by the conductor material
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/24—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors with channels or ducts for cooling medium between the conductors
-
- 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
- H02K5/161—Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields radially supporting the rotary shaft at both ends of the rotor
-
- 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
- H02K5/203—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium specially adapted for liquids, e.g. cooling jackets
-
- 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
-
- 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
Abstract
The application relates to the technical field of motors, in particular to a high-efficiency heat-dissipation hub motor, which comprises a stator and a rotor arranged in a hub, an impeller heat-dissipation assembly fixedly arranged on the outer periphery side of the stator, a first aluminum end cover fixedly arranged on one side of the hub and a second aluminum end cover fixedly arranged on the other side of the hub; the winding of stator adopts copper-clad aluminum wire rod, copper-clad aluminum wire rod includes inside aluminium wire and wraps up the copper plating layer at aluminium wire periphery. Compared with the traditional pure copper wire winding, the cost of the copper-clad aluminum wire is about one half of that of the pure copper wire, so that the manufacturing cost of the motor is reduced, and the market competitiveness is improved; the application designs an impeller heat radiation assembly with a stator slot similar to a water turbine blade structure: through the oil guide plate of the ladle shape of design on the rotor, realized the accurate splash of cooling oil. Therefore, the cooling oil can be preferentially and directly contacted with the heating part of the stator wire slot, and the heat dissipation efficiency and the heat dissipation accuracy are improved.
Description
Technical Field
The application relates to the technical field of motors, in particular to a high-efficiency heat dissipation hub motor.
Background
The permanent magnet hub motor using the traditional pure copper wire winding has some problems such as high cost, high motor temperature rise, insufficient precision of heat dissipation of the heating part inside the motor by an oil cooling system and the like.
The traditional pure copper wire winding materials are high in cost, so that the manufacturing cost of the permanent magnet hub motor is increased, and the competitiveness of the permanent magnet hub motor in the market is reduced. The heat generated by the traditional motor in the operation process increases the temperature rise of the motor, and influences the operation efficiency and service life of the motor.
Disclosure of Invention
In order to reduce manufacturing cost, the application provides a high-efficiency heat dissipation hub motor.
The following technical scheme is adopted:
the application provides a high-efficiency heat dissipation hub motor, which comprises a stator and a rotor arranged in a hub, an impeller heat dissipation assembly fixedly arranged on the outer periphery side of the stator, a first aluminum end cover fixedly arranged on one side of the hub and a second aluminum end cover fixedly arranged on the other side of the hub;
the winding of the stator adopts a copper-clad aluminum wire, and the copper-clad aluminum wire comprises an internal aluminum wire and a copper plating layer wrapping the periphery of the aluminum wire in an electroplating process;
the thickness of the copper plating layer ranges from 50 to 100 micrometers.
By adopting the technical scheme, compared with the traditional pure copper wire winding, the cost of the copper-clad aluminum wire is reduced, so that the manufacturing cost of the hub motor is reduced.
Optionally, the diameter of the aluminum wire ranges from 1 to 3 millimeters.
By adopting the technical scheme, the aluminum wire with the proper diameter is selected as the wire core of the winding according to the specification of the motor, the copper plating layer is wrapped outside the aluminum wire in the electroplating process, and then the strength of the copper-clad aluminum wire is increased through cold treatment such as stretching.
Optionally, the impeller heat dissipation assembly comprises an annular fixed base fixedly arranged at one side of the stator, impeller blades with one ends fixedly connected with the annular fixed base, and an impeller fixing ring clamped at the other ends of the impeller blades;
the impeller blades are inserted from the iron core gaps of the stator.
By adopting the technical scheme, the impeller radiating component adopts a structure similar to a water turbine blade, the impeller blade is arranged at the position of the wire slot of the stator core, the impeller blade can enable cooling oil to stay for more time, and the cooling effect on the stator heat source core coil is improved.
Optionally, the number of the impeller blades is more than 3, and each impeller blade is provided with a clamping groove for clamping the impeller fixing ring.
By adopting the technical scheme, the impeller blades are fixedly connected with the impeller fixing ring through the clamping grooves, so that the assembly is convenient and the operation is easy outside the stator core.
Optionally, a fixed base positioning pin is fixedly arranged on the annular fixed base; and a fixed ring locating pin is fixedly arranged on the impeller fixed ring.
By adopting the technical scheme, the annular fixed base is positioned and fixed with one side of the stator through the fixed base positioning pin; the impeller fixing ring is positioned and fixed with the other side of the stator through a fixing ring positioning pin.
Optionally, the number of the positioning pins of the fixed base is more than two, and the positioning pins of the fixed base are uniformly distributed on the annular fixed base at intervals; the number of the fixed ring locating pins is more than two, and the fixed ring locating pins are uniformly distributed on the impeller fixed ring at intervals.
By adopting the technical scheme, the more than two fixed base locating pins can stably locate the position of the annular fixed base on the stator, and the more than two fixed ring locating pins can stably locate the position of the impeller fixed ring on the stator.
Optionally, more than two reinforcing ribs are fixedly connected between the annular fixing base and the impeller fixing ring.
By adopting the technical scheme, the reinforcing ribs improve the connection strength of the annular fixed base and the impeller fixed ring, avoid deformation and maintain stability.
Optionally, a plurality of oil guide plates are fixedly arranged at intervals on the edge of the inner side of the first aluminum end cover; a plurality of oil guide plates are also fixedly arranged at intervals on the inner side edge of the second aluminum end cover;
the oil guide plate is positioned outside the circumference of the stator.
By adopting the technical scheme, the first aluminum end cover and the second aluminum end cover rotate along with the hub in the running process of the hub motor, and the impeller blades of the impeller radiating assembly are fixed on the stator which does not move, so that the oil guide sheets on the first aluminum end cover and the second aluminum end cover can uniformly splash cooling medium to the impeller blades on the periphery of the stator, the residence time of the cooling medium is prolonged by the impeller blades, and the heat source of the stator core is effectively cooled.
Optionally, the plurality of oil guide plates are in a shape of a water ladle which is bent in the same direction.
By adopting the technical scheme, the oil guide plate has the function of guiding the splashing direction of the cooling medium, and the oil guide plate in the shape of the water ladle can enable the cooling medium to be precisely splashed to the stator core.
Optionally, a cooling medium is arranged in the hub motor, the cooling medium is a mixture of poly alpha-olefin oil and polyether oil, and the volume ratio of the poly alpha-olefin oil to the polyether oil is 1:3.
By adopting the technical scheme, compared with the existing cooling oil, the heat conductivity coefficient is improved by 2 times, and the cooling effect is improved.
In summary, the present application includes at least one of the following beneficial technical effects:
the copper-clad aluminum wire has low cost: compared with the traditional pure copper wire winding, the cost of the copper-clad aluminum wire is about one half of that of the pure copper wire. This reduces the manufacturing cost of the motor and improves its market competitiveness.
The novel liquid cooling oil is used for circulating heat dissipation: because the resistivity of the copper-clad aluminum wire is slightly high, the motor generates higher heat in the operation process, and in order to effectively reduce the temperature rise of the motor, the application adopts poly alpha-olefin oil: the polyether oil=1:3 (volume ratio) cooling oil carries out circulation heat dissipation, and the common liquid cooling oil has lower heat conductivity coefficient, so that the heat conductivity coefficient of the cooling oil is improved by 2 times, the heating part inside the motor can be efficiently cooled, and the running efficiency and the service life of the motor are improved.
The application designs a rotor water ladle structure and a stator wire slot similar to a water turbine blade structure: through designing the oil guide piece of ladle form on the rotor to and design similar hydraulic turbine blade structure between the stator wire casing, realized the accurate splash of cooling oil. Therefore, the cooling oil can be preferentially and directly contacted with the heating part of the stator wire slot, so that the heat dissipation efficiency and the heat dissipation accuracy are improved, and the heat dissipation efficiency is improved by 70 percent compared with that of a common motor.
Drawings
FIG. 1 is a schematic diagram of an explosive structure of the present application;
FIG. 2 is a schematic view of the assembly of the water wheel heat dissipating assembly and stator of the present application;
FIG. 3 is a schematic structural view of a first aluminum end cap of the present application;
FIG. 4 is a schematic view of the impeller heat dissipation assembly of the present application;
FIG. 5 is a schematic view of the construction of the impeller blade of the present application;
FIG. 6 is a schematic view of the structure of the impeller retention ring of the present application;
FIG. 7 is a graph of test temperatures for a first channel and a second channel;
fig. 8 is a distribution histogram of the overall temperature distribution ratio of different temperature segments.
In the attached drawings, 1, a first aluminum end cover; 2. impeller blades; 3. a stator; 4. an impeller fixing ring; 5. a hub; 6. a second aluminum end cap; 7. an oil guiding sheet; 8. an annular fixed base; 9. fixing a base positioning pin; 10. a fixed ring locating pin; 11. reinforcing ribs; 12. a clamping groove; 13. a fastening screw; 20. a second channel; 30. a first channel.
Description of the embodiments
The present application is described in further detail below in conjunction with figures 1-8.
As shown in fig. 1, the present application provides a high-efficiency heat-dissipating in-wheel motor, comprising a stator 3 and a rotor disposed in a wheel hub 5, an impeller heat-dissipating assembly fixedly mounted on the outer peripheral side of the stator 3, a first aluminum end cover 1 fixedly mounted on one side of the wheel hub 5, and a second aluminum end cover 6 fixedly mounted on the other side of the wheel hub 5;
the first aluminum end cover 1 and the second aluminum end cover 6 are fixedly connected with the stator 3 through fastening screws 13 respectively;
the winding of the stator 3 adopts a copper-clad aluminum wire, and the copper-clad aluminum wire comprises an internal aluminum wire and a copper plating layer wrapping the periphery of the aluminum wire in the electroplating process;
the thickness of the copper plating layer ranges from 50 to 100 micrometers.
In this embodiment, compared with the conventional pure copper wire winding, the cost of the copper-clad aluminum wire is reduced, thereby reducing the manufacturing cost of the hub motor.
In this embodiment, the diameter of the aluminum wire is in the range of 1 to 3 mm.
According to the embodiment, an aluminum wire with a proper diameter is selected as a wire core of a winding according to the specification of the motor, a copper plating layer is wrapped outside the aluminum wire in an electroplating process, and then the strength of the copper-clad aluminum wire is increased through cold treatment such as stretching.
Specifically, as shown in fig. 2, the impeller heat dissipation assembly includes an annular fixing base 8 fixedly disposed at one side of the stator 3, an impeller blade 2 with one end fixedly connected to the annular fixing base 8, and an impeller fixing ring 4 clamped at the other end of the impeller blade 2;
the impeller blades 2 are inserted into the core slots of the stator 3.
In this embodiment, as shown in fig. 4, the impeller heat dissipation assembly adopts a structure similar to a water turbine blade, the impeller blades 2 are arranged at the positions of the slots of the stator 3 iron core, and the impeller blades 2 can make the cooling oil stay for more time, so as to increase the cooling effect on the stator 3 heat source iron core coil.
In this embodiment, as shown in fig. 5, the number of the impeller blades 2 is more than 3, and each impeller blade 2 is provided with a clamping groove 12 for clamping the impeller fixing ring 4.
In this embodiment, the impeller blades 2 are clamped and fixed with the impeller fixing ring 4 through the clamping grooves 12, so that the assembly is convenient and the operation is easy outside the iron core of the stator 3.
In this embodiment, as shown in fig. 5 and fig. 6, the annular fixed base 8 is fixedly provided with a fixed base positioning pin 9; the impeller fixing ring 4 is fixedly provided with a fixing ring positioning pin 10.
In the embodiment, the annular fixed base 8 is positioned and fixed with one side of the stator 3 through a fixed base positioning pin 9; the impeller fixing ring 4 is fixed with the other side of the stator 3 through a fixing ring locating pin 10.
In this embodiment, the number of the fixing base positioning pins 9 is more than two, and the fixing base positioning pins 9 are uniformly distributed on the annular fixing base 8 at intervals; the number of the fixed ring positioning pins 10 is more than two, and the fixed ring positioning pins 10 are uniformly distributed on the impeller fixed ring 4 at intervals.
In this embodiment, the two or more fixing base positioning pins 9 can stably position the annular fixing base 8 on the stator 3, and the two or more fixing ring positioning pins 10 can stably position the impeller fixing ring 4 on the stator 3.
In this embodiment, more than two reinforcing ribs 11 are fixedly connected between the annular fixing base 8 and the impeller fixing ring 4.
In this embodiment, the reinforcing ribs 11 improve the connection strength between the annular fixing base 8 and the impeller fixing ring 4, avoid deformation, and maintain stability.
In this embodiment, as shown in fig. 3, a plurality of oil guide plates 7 are fixedly arranged at intervals on the inner edge of the first aluminum end cover 1; a plurality of oil guide plates 7 are also fixedly arranged at intervals on the inner side edge of the second aluminum end cover 6;
the oil guide plate 7 is positioned outside the circumference of the stator 3.
In this embodiment, the first aluminum end cover 1 and the second aluminum end cover 6 rotate along with the hub 5 during the operation of the hub motor, and the impeller blades 2 of the impeller heat dissipation assembly are fixed on the stator 3 without movement, so that the oil guide sheets 7 on the first aluminum end cover 1 and the second aluminum end cover 6 can uniformly spill the cooling medium to the impeller blades 2 on the periphery of the stator 3, the residence time of the cooling medium is prolonged by the impeller blades 2, and the iron core heat source of the stator 3 is effectively cooled.
In this embodiment, the plurality of oil guiding sheets 7 are in the shape of a water ladle which is bent in the same direction.
In this embodiment, the oil guide sheet 7 has a function of guiding the direction of the coolant splashing, and the oil guide sheet 7 in the shape of a water ladle can precisely splash the coolant to the stator 3 core.
In the embodiment, a cooling medium is arranged in the hub motor, and the cooling medium is a mixture of poly alpha-olefin oil and polyether oil, wherein the volume ratio of the poly alpha-olefin oil to the polyether oil is 1:3.
In this embodiment, compared with the existing cooling oil, the heat conductivity coefficient is improved by 2 times, and the cooling effect is improved.
The in-wheel motor of this embodiment was subjected to a temperature detection test, in which the hall element portion in the coil was set as the first channel 30, and the diametrically opposite portion of the hall element in the coil rotated 180 degrees was set as the second channel 20, and the temperature inspection report produced a temperature profile as shown in fig. 7 and a temperature profile as shown in fig. 8.
In fig. 8, each column refers to a percentage of the total temperature distribution of each segment temperature, e.g., a maximum temperature of 63.61 ℃, accounting for only 2.06% of the total temperature distribution.
As can be seen from fig. 7 and 8: experimental results prove that under the combined action of the heat dissipation hub structure and the novel cooling oil formula, the temperature rise of the iron core inside the hub motor is controlled in the range of 40-50 ℃ for the most of time, and the heat dissipation hub structure belongs to a very good state, and the temperature rise inside the iron core of the general motor can reach 120 ℃ at the highest, so that magnetic field degradation, insulation failure and permanent magnet demagnetization are easy to cause.
The embodiments of the present invention are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in this way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (9)
1. The utility model provides a high-efficient heat dissipation wheel hub motor which characterized in that: the novel motor comprises a stator (3) and a rotor which are arranged in a hub (5), an impeller heat dissipation assembly fixedly arranged on the outer periphery side of the stator (3), a first aluminum end cover (1) fixedly arranged on one side of the hub (5) and a second aluminum end cover (6) fixedly arranged on the other side of the hub (5);
the winding of the stator (3) adopts a copper-clad aluminum wire, and the copper-clad aluminum wire comprises an internal aluminum wire and a copper plating layer wrapping the periphery of the aluminum wire in an electroplating process;
the thickness range of the copper plating layer is 50-100 micrometers;
the impeller heat dissipation assembly comprises an annular fixed base (8) fixedly arranged at one side of the stator (3), impeller blades (2) with one ends fixedly connected with the annular fixed base (8) and impeller fixing rings (4) clamped at the other ends of the impeller blades (2);
the impeller blades (2) are inserted into the iron core gaps of the stator (3).
2. The high efficiency heat dissipating in-wheel motor of claim 1, wherein: the diameter of the aluminum wire ranges from 1 to 3 millimeters.
3. The high efficiency heat dissipating in-wheel motor of claim 1, wherein: the number of the impeller blades (2) is more than 3, and each impeller blade (2) is provided with a clamping groove (12) for clamping the impeller fixing ring (4).
4. The high efficiency heat dissipating in-wheel motor of claim 1, wherein: a fixed base positioning pin (9) is fixedly arranged on the annular fixed base (8); and a fixed ring positioning pin (10) is fixedly arranged on the impeller fixed ring (4).
5. The high efficiency heat dissipating in-wheel motor of claim 4, wherein: the number of the fixed base positioning pins (9) is more than two, and the fixed base positioning pins (9) are uniformly distributed on the annular fixed base (8) at intervals; the number of the fixed ring locating pins (10) is more than two, and the fixed ring locating pins (10) are uniformly distributed on the impeller fixed ring (4) at intervals.
6. The high efficiency heat dissipating in-wheel motor of claim 1, wherein: more than two reinforcing ribs (11) are fixedly connected between the annular fixing base (8) and the impeller fixing ring (4).
7. The high efficiency heat dissipating in-wheel motor of claim 1, wherein: a plurality of oil guide plates (7) are fixedly arranged at intervals on the inner side edge of the first aluminum end cover (1);
the oil guide sheet (7) is positioned at the outer side of the circumference of the stator (3).
8. The high efficiency heat dissipating in-wheel motor of claim 7, wherein: the oil guide plates (7) are in a water ladle shape which is bent in the same direction.
9. The high efficiency heat dissipating in-wheel motor of claim 7, wherein: a cooling medium is arranged in the motor of the hub (5), and the cooling medium adopts a mixture of poly alpha-olefin oil and polyether oil; the volume ratio of poly alpha-olefin oil to polyether oil is 1:3.
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CN202311408847.9A CN117134545B (en) | 2023-10-27 | 2023-10-27 | Efficient heat dissipation hub motor |
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CN202311408847.9A CN117134545B (en) | 2023-10-27 | 2023-10-27 | Efficient heat dissipation hub motor |
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CN117134545B true CN117134545B (en) | 2024-01-12 |
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CN110858744A (en) * | 2018-08-23 | 2020-03-03 | 北京锋锐新源电驱动科技有限公司 | In-wheel motor with strengthen heat dispersion |
CN110601449A (en) * | 2019-09-26 | 2019-12-20 | 沈阳理工大学 | Electric automobile in-wheel motor cooling system |
CN215072020U (en) * | 2021-07-08 | 2021-12-07 | 李绵军 | Impeller pump type motor |
CN113839482A (en) * | 2021-09-25 | 2021-12-24 | 松下压缩机(大连)有限公司 | Motor stator and multiphase motor system |
WO2023108915A1 (en) * | 2021-12-16 | 2023-06-22 | 广东威灵电机制造有限公司 | Hub motor and electric vehicle |
CN114412629A (en) * | 2022-02-11 | 2022-04-29 | 东风马勒热系统有限公司 | Electric control silicon oil clutch water pump |
CN217642903U (en) * | 2022-06-09 | 2022-10-21 | 铜陵硬核电机科技有限公司 | Disc type hub motor |
CN115276323A (en) * | 2022-09-27 | 2022-11-01 | 长沙长利电气有限公司 | Single-bearing water-cooling hub motor |
CN115459479A (en) * | 2022-11-11 | 2022-12-09 | 台州市黄岩博创工业设计股份有限公司 | Hub motor |
CN219247641U (en) * | 2022-11-18 | 2023-06-23 | 金亚东 | Novel liquid cooling in-wheel motor |
CN116915010A (en) * | 2023-07-06 | 2023-10-20 | 合肥工业大学 | Heat radiation structure for double-stator inner rotor axial flux hub motor |
CN116599281A (en) * | 2023-07-18 | 2023-08-15 | 台州市黄岩博创工业设计股份有限公司 | Liquid cooling hub motor |
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