CN113119714A - Electric vehicle motor - Google Patents
Electric vehicle motor Download PDFInfo
- Publication number
- CN113119714A CN113119714A CN202110515197.2A CN202110515197A CN113119714A CN 113119714 A CN113119714 A CN 113119714A CN 202110515197 A CN202110515197 A CN 202110515197A CN 113119714 A CN113119714 A CN 113119714A
- Authority
- CN
- China
- Prior art keywords
- steel sheets
- rim
- stator
- cast steel
- sheets
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 85
- 239000010959 steel Substances 0.000 claims abstract description 85
- 229910001208 Crucible steel Inorganic materials 0.000 claims abstract description 63
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 46
- 230000002093 peripheral effect Effects 0.000 claims abstract description 29
- 229910052742 iron Inorganic materials 0.000 claims abstract description 23
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000005266 casting Methods 0.000 claims description 9
- 238000004804 winding Methods 0.000 claims 1
- 230000005611 electricity Effects 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 6
- 230000005389 magnetism Effects 0.000 abstract description 4
- 239000004411 aluminium Substances 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
Images
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
- B60K7/00—Disposition of motor in, or adjacent to, traction wheel
- B60K7/0007—Disposition of motor in, or adjacent to, traction wheel the motor being electric
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B21/00—Rims
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
- H02K21/24—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets axially facing the armatures, e.g. hub-type cycle dynamos
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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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Power Engineering (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The invention relates to the technical field of electric vehicles, in particular to an electric vehicle motor, which comprises an iron rim and an aluminum rim, wherein 4 iron sheets are embedded on the outer peripheral surface of the rim, the rim is sleeved on the outer periphery of the rim, the outer periphery of the rim is welded with the inner peripheral surface of the rim through the iron sheets, a stator is coaxially arranged in the rim, cast steel sheets are arranged between the outer peripheral surface of the stator and the inner peripheral surface of the rim, the cast steel sheets are arranged at intervals along the circumferential direction, magnetic steel sheets are clamped between two adjacent cast steel sheets, the cast steel sheets and the magnetic steel sheets are fixed on the rim, the outer peripheral surface of the stator and the cast steel sheets and the magnetic steel sheets are arranged at intervals, a coil is wound on the stator, a fixed shaft is arranged at the center of the stator, end covers are respectively arranged at two sides of the stator, the peripheral edges of the. This application iron material for rim, the cost is lower, and the magnetic leakage can be avoided to the aluminium material for the rim, effectively guarantees the magnetism and generates the magnetic force of electricity in-process.
Description
Technical Field
The invention relates to the technical field of electric vehicles, in particular to a motor of an electric vehicle.
Background
The existing motor hub is commonly used in two structural forms of an iron wheel hub and an aluminum wheel hub, and the hub of an all-aluminum wheel can effectively ensure the magnetic leakage phenomenon, but the manufacturing cost and the production cost are high; the iron wheel is more economical in cost and production, but because iron can receive the effect of magnetic force, can lead to the magnetic leakage phenomenon serious after combining, cause the magnetic force to weaken, influence the effect of generating electricity.
Disclosure of Invention
The applicant aims at the defects in the prior art and provides an electric vehicle motor which can reduce cost and ensure magnetic force in a magnetic generating process.
The technical scheme adopted by the invention is as follows: an electric vehicle motor comprises an iron rim, an aluminum rim, a magnetic steel sheet, a cast steel sheet and a stator, wherein 4 iron sheets are embedded on the outer peripheral surface of the rim, the iron sheets are uniformly arranged at intervals along the circumferential direction, the rim is sleeved on the outer periphery of the rim, the outer periphery of the rim is welded with the inner peripheral surface of the rim into a whole through the iron sheets, the stator is coaxially arranged in the rim, the cast steel sheets are arranged between the outer peripheral surface of the stator and the inner peripheral surface of the rim, the cast steel sheets are arranged at intervals along the circumferential direction, the magnetic steel sheet is clamped between two adjacent cast steel sheets, the cast steel sheet and the magnetic steel sheet are fixed on the rim, the outer peripheral surface of the stator and the cast steel sheet and the magnetic steel sheet are arranged at intervals, a coil is wound on the stator, an encoder is fixed on the stator, a fixed shaft is arranged at the center of the stator, end covers are respectively arranged at two sides of the stator, the peripheral edges, and the fixed shaft is connected with the wall of the through hole through a bearing.
As a further improvement of the above technical solution:
the edge of two sides of the inner side surface of the cast steel sheet opposite to the outer peripheral surface of the stator is respectively provided with a flange which is hung to two sides of the cast steel sheet, two edges of the inner side surface of each magnetic steel sheet are respectively overlapped on the flanges of two adjacent cast steel sheets, the outer side surface of each magnetic steel sheet is adhered to the inner peripheral surface of the rim, and the outer side surface of each cast steel sheet is adhered to the inner peripheral surface of the rim.
The casting steel sheets are Z-shaped and are formed by sequentially splicing outer steel sheets, middle steel sheets and inner steel sheets, the inner steel sheets of all the casting steel sheets are laid along the circumferential direction to form inner rings, two adjacent inner steel sheets are abutted together, the outer steel sheets of all the casting steel sheets are laid along the circumferential direction to form outer rings, two adjacent outer steel sheets are abutted together, two adjacent middle steel sheets are arranged at intervals, the magnetic steel sheets are clamped in cavities of two adjacent middle steel sheets, and the outer side faces of the outer steel sheets of each casting steel sheet are adhered to the inner peripheral surface of the rim.
The cross section of the cast steel sheets is trapezoidal, the cross section of the magnetic steel sheets is triangular, the trapezoidal bottom surfaces of all the cast steel sheets are laid along the circumferential direction to form inner rings, the trapezoidal top surfaces of all the cast steel sheets are laid along the circumferential direction to form outer rings, the magnetic steel sheets are clamped between the trapezoidal side surfaces of two adjacent cast steel sheets and adhered to the inner circumferential surface of the rim, and the trapezoidal top surface of each cast steel sheet is adhered to the inner circumferential surface of the rim.
The invention has the following beneficial effects: this application iron material for rim, the cost is lower, and the magnetic leakage can be avoided to the aluminium material for the rim, effectively guarantees the magnetism and generates the magnetic force of electricity in-process. This application adopts multiple embodiment to make magnetic steel piece firmly connect with the wheel rim under the support of cast steel piece, further assurance magnetism generates the magnetic force of electricity in-process.
Drawings
FIG. 1 is a block diagram of the present invention.
Fig. 2 is a block diagram of fig. 1 with the end cap removed.
Fig. 3 is an enlarged view of a portion a in fig. 2.
FIG. 4 is a schematic view of a second embodiment when the cast steel sheet is Z-shaped.
Fig. 5 is an enlarged view of a portion B of fig. 4.
FIG. 6 is a schematic view of the third embodiment when the cast steel sheet is trapezoidal.
Wherein: 10. a rim; 20. a rim; 30. a magnetic steel sheet; 40. casting a steel sheet; 41. an outer steel sheet; 42. an intermediate steel sheet; 43. an inner steel sheet; 44. a flange; 50. a stator; 60. iron sheets; 70. a fixed shaft; 80. and (4) end covers.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1 to 6, the electric vehicle motor of the present embodiment includes an iron rim 10, an aluminum rim 20, a magnet steel sheet 30, a cast steel sheet 40 and a stator 50, wherein 4 iron sheets 60 are embedded on an outer circumferential surface of the rim 20, the iron sheets 60 are uniformly arranged along a circumferential direction at intervals, the rim 10 is sleeved on an outer circumference of the rim 20, the outer circumference of the rim 20 is welded to an inner circumferential surface of the rim 10 through the iron sheets 60, the stator 50 is coaxially arranged in a ring of the rim 20, the cast steel sheets 40 are arranged between an outer circumferential surface of the stator 50 and the inner circumferential surface of the rim 20, the cast steel sheets 40 are arranged along the circumferential direction at intervals, the magnet steel sheet 30 is clamped between two adjacent cast steel sheets 40, the cast steel sheets 40 and the magnet steel sheet 30 are fixed on the rim 20, the outer circumferential surface of the stator 50 is arranged in a gap with the cast steel sheets 40 and the magnet steel sheet 30, a coil, the two sides of the stator 50 are respectively provided with an end cover 80, the peripheral edges of the end covers 80 are fixed on the side surface of the rim 20 by a screw connection mode, the two ends of the fixed shaft 70 respectively penetrate through holes formed in the centers of the two end covers 80, and the fixed shaft 70 is connected with the hole wall of the through hole through a bearing.
In order to make the connection of the cast steel sheet 40, the magnetic steel sheet 30 and the rim 20 more reliable, the following three embodiments are adopted:
the first embodiment;
referring to fig. 2 and 3, the cast steel sheets 40 and the magnetic steel sheets 30 are square, flanges 44 respectively overhang both side edges of an inner side surface of the cast steel sheet 40 opposite to an outer peripheral surface of the stator 50 to both sides of the cast steel sheet 40, both side edges of an inner side surface of each magnetic steel sheet 30 respectively overlap the flanges 44 of two adjacent cast steel sheets 40, an outer side surface of each magnetic steel sheet 30 is adhered to an inner peripheral surface of the rim 20, and an outer side surface of each cast steel sheet 40 is adhered to an inner peripheral surface of the rim 20. The flange 44 holds up the magnetic steel sheet 30 to prevent the magnetic steel sheet 30 from falling.
Example two:
referring to fig. 4 and 5, the cast steel sheets 40 are Z-shaped and the Z-shaped is formed by sequentially splicing outer steel sheets 41, intermediate steel sheets 42 and inner steel sheets 43, the inner steel sheets 43 of all the cast steel sheets 40 are laid along the circumferential direction to form inner rings, two adjacent inner steel sheets 43 are abutted together, the outer steel sheets 41 of all the cast steel sheets 40 are laid along the circumferential direction to form outer rings, two adjacent outer steel sheets 41 are abutted together, two adjacent intermediate steel sheets 42 are arranged at intervals, the magnetic steel sheets 30 are clamped in cavities of two adjacent intermediate steel sheets 42, and the outer side surface of the outer steel sheet 41 of each cast steel sheet 40 is adhered to the inner circumferential surface of the rim 20. The magnetic steel sheet 40 is wrapped between the cast steel sheets 40, and the magnetic steel sheet 30 can be prevented from falling off.
Example three:
referring to fig. 6, the cross section of each of the cast steel sheets 40 is trapezoidal, the cross section of each of the magnetic steel sheets 30 is triangular, the trapezoidal bottom surfaces of all of the cast steel sheets 40 are circumferentially arranged to form inner rings, the trapezoidal top surfaces of all of the cast steel sheets 40 are circumferentially arranged to form outer rings, the magnetic steel sheets 30 are clamped between the trapezoidal side surfaces of two adjacent cast steel sheets 40, the magnetic steel sheets 30 are adhered to the inner circumferential surface of the rim 20, and the trapezoidal top surface of each of the cast steel sheets 40 is adhered to the inner circumferential surface of the rim 20. The trapezoidal side surfaces of two adjacent cast steel sheets 40 support the magnetic steel sheet 30, and the magnetic steel sheet 30 can be prevented from falling off.
All of the above three embodiments allow the magnetic steel sheet 30 to be firmly coupled to the rim 20 with the support of the cast steel sheet 40. The magnetic force in the magnetic electricity generation process is ensured.
It should be noted that, according to actual need, this application motor inside can also install the encoder. The cast steel sheet 40 of the present application is actually formed by stacking and fixing a plurality of sheet bodies together, so that the magnetic generation effect is better, which is also a structural form commonly adopted in the field and is not described in detail.
This application rim 10 is with iron material, and the cost is lower, and wheel rim 20 is with aluminium material, can avoid the magnetic leakage, effectively guarantees the magnetic force of magnetism electricity generation in-process. The iron sheet 60 is used to weld the rim 10 and the rim 20 together, so as to ensure that the rim 10 and the rim 20 are firmly connected.
The above description is intended to be illustrative and not restrictive, and the scope of the invention is defined by the appended claims, which may be modified in any manner within the scope of the invention.
Claims (4)
1. An electric vehicle motor, its characterized in that: the wheel comprises an iron rim (10), an aluminum rim (20), magnetic steel sheets (30), cast steel sheets (40) and a stator (50), wherein 4 iron sheets (60) are embedded on the outer peripheral surface of the rim (20), the iron sheets (60) are uniformly arranged at intervals along the circumferential direction, the rim (10) is sleeved on the outer periphery of the rim (20), the outer periphery of the rim (20) is welded with the inner peripheral surface of the rim (10) into a whole through the iron sheets (60), the stator (50) is coaxially arranged in the ring of the rim (20), the cast steel sheets (40) are arranged between the outer peripheral surface of the stator (50) and the inner peripheral surface of the rim (20), the cast steel sheets (40) are arranged at intervals along the circumferential direction, the magnetic steel sheets (30) are clamped between two adjacent cast steel sheets (40), the cast steel sheets (40) are fixed on the rim (20), the outer peripheral surface of the stator (50) and the cast steel sheets (40) and the magnetic steel sheets (30) are, the winding coil is wound on the stator (50), the encoder is fixed on the stator (50), the fixed shaft (70) is arranged at the center of the stator (50), the end covers (80) are respectively arranged on two sides of the stator (50), the edges of the periphery of the end covers (80) are fixed on the side surface of the wheel rim (20) in a screw connection mode, two ends of the fixed shaft (70) are respectively inserted into the through holes formed in the centers of the two end covers (80) and are led out, and the fixed shaft (70) is connected with the hole walls of the through holes through bearings.
2. The electric vehicle motor of claim 1, wherein: the casting steel sheets (40) and the magnetic steel sheets (30) are square, flanges (44) are respectively hung towards the two sides of the inner side face of each casting steel sheet (40) opposite to the outer peripheral face of the stator (50), two edges of the inner side face of each magnetic steel sheet (30) are respectively overlapped on the flanges (44) of two adjacent casting steel sheets (40), the outer side face of each magnetic steel sheet (30) is adhered to the inner peripheral face of the rim (20), and the outer side face of each casting steel sheet (40) is adhered to the inner peripheral face of the rim (20).
3. The electric vehicle motor of claim 1, wherein: the wheel is characterized in that the cast steel sheets (40) are Z-shaped and formed by sequentially splicing outer steel sheets (41), middle steel sheets (42) and inner steel sheets (43), inner steel sheets (43) of all the cast steel sheets (40) are laid along the circumferential direction to form inner rings, two adjacent inner steel sheets (43) are abutted together, outer steel sheets (41) of all the cast steel sheets (40) are laid along the circumferential direction to form outer rings, two adjacent outer steel sheets (41) are abutted together, two adjacent middle steel sheets (42) are arranged at intervals, magnetic steel sheets (30) are clamped in cavities of two adjacent middle steel sheets (42), and the outer side face of each outer steel sheet (41) of each cast steel sheet (40) is adhered to the inner peripheral face of the wheel rim (20).
4. The electric vehicle motor of claim 1, wherein: the cross section of the cast steel sheets (40) is trapezoidal, the cross section of the magnetic steel sheet (30) is triangular, the trapezoidal bottom surfaces of all the cast steel sheets (40) are laid along the circumferential direction to form inner rings, the trapezoidal top surfaces of all the cast steel sheets (40) are laid along the circumferential direction to form outer rings, the magnetic steel sheets (30) are clamped between the trapezoidal side surfaces of two adjacent cast steel sheets (40), the magnetic steel sheets (30) are adhered to the inner circumferential surface of the rim (20), and the trapezoidal top surface of each cast steel sheet (40) is adhered to the inner circumferential surface of the rim (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110515197.2A CN113119714A (en) | 2021-05-12 | 2021-05-12 | Electric vehicle motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110515197.2A CN113119714A (en) | 2021-05-12 | 2021-05-12 | Electric vehicle motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113119714A true CN113119714A (en) | 2021-07-16 |
Family
ID=76781869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110515197.2A Pending CN113119714A (en) | 2021-05-12 | 2021-05-12 | Electric vehicle motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113119714A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06305466A (en) * | 1993-04-27 | 1994-11-01 | Sanyo Electric Co Ltd | Generator for bicycle |
| CN2764649Y (en) * | 2005-01-25 | 2006-03-15 | 朱吕国 | Spoke wheel motor housing for electric bicycle |
| CN107425686A (en) * | 2017-09-26 | 2017-12-01 | 江苏雅迪科技发展有限公司宁波分公司 | Coreless disc type wheel hub motor |
| CN110920376A (en) * | 2019-12-28 | 2020-03-27 | 江苏雅迪科技发展有限公司宁波分公司 | Salient-pole hub motor |
| CN211127350U (en) * | 2019-12-28 | 2020-07-28 | 江苏雅迪科技发展有限公司宁波分公司 | V-shaped rotor silicon steel sheet structure of hub motor |
| KR20210037798A (en) * | 2019-09-27 | 2021-04-07 | 엘지전자 주식회사 | Geared inwheel motor |
-
2021
- 2021-05-12 CN CN202110515197.2A patent/CN113119714A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06305466A (en) * | 1993-04-27 | 1994-11-01 | Sanyo Electric Co Ltd | Generator for bicycle |
| CN2764649Y (en) * | 2005-01-25 | 2006-03-15 | 朱吕国 | Spoke wheel motor housing for electric bicycle |
| CN107425686A (en) * | 2017-09-26 | 2017-12-01 | 江苏雅迪科技发展有限公司宁波分公司 | Coreless disc type wheel hub motor |
| KR20210037798A (en) * | 2019-09-27 | 2021-04-07 | 엘지전자 주식회사 | Geared inwheel motor |
| CN110920376A (en) * | 2019-12-28 | 2020-03-27 | 江苏雅迪科技发展有限公司宁波分公司 | Salient-pole hub motor |
| CN211127350U (en) * | 2019-12-28 | 2020-07-28 | 江苏雅迪科技发展有限公司宁波分公司 | V-shaped rotor silicon steel sheet structure of hub motor |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: No. 3-1, 3-2 Dongsheng Road, Anzhen Street, Xishan District, Wuxi City, Jiangsu Province 214105 Applicant after: Tailing Technology Co.,Ltd. Address before: 214105 No. 2, Lingwei West Road, anzhen street, Xishan District, Wuxi City, Jiangsu Province Applicant before: Tailing technology development (Jiangsu) Co.,Ltd. Address after: 214105 No. 2, Lingwei West Road, anzhen street, Xishan District, Wuxi City, Jiangsu Province Applicant after: Tailing technology development (Jiangsu) Co.,Ltd. Address before: 214105 No. 3 Dongsheng Road, Anzhen Street, Xishan District, Wuxi City, Jiangsu Province Applicant before: Tailing Technology Development Co.,Ltd. |
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20210716 |