CN111162630A - Magnetic dynamic seal inner rotor hub motor structure - Google Patents

Magnetic dynamic seal inner rotor hub motor structure Download PDF

Info

Publication number
CN111162630A
CN111162630A CN202010068865.7A CN202010068865A CN111162630A CN 111162630 A CN111162630 A CN 111162630A CN 202010068865 A CN202010068865 A CN 202010068865A CN 111162630 A CN111162630 A CN 111162630A
Authority
CN
China
Prior art keywords
inner rotor
ring
magnetic
hub bearing
hub motor
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
Application number
CN202010068865.7A
Other languages
Chinese (zh)
Inventor
陈辛波
章建军
王威
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tongji University
Original Assignee
Tongji University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tongji University filed Critical Tongji University
Priority to CN202010068865.7A priority Critical patent/CN111162630A/en
Publication of CN111162630A publication Critical patent/CN111162630A/en
Pending legal-status Critical Current

Links

Images

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
    • 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
    • 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
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/32—Rotating parts of the magnetic circuit with channels or ducts for flow of cooling medium
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
    • 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
    • B60K2007/0038—Disposition of motor in, or adjacent to, traction wheel the motor moving together with the wheel axle
    • 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
    • B60K2007/0092—Disposition of motor in, or adjacent to, traction wheel the motor axle being coaxial to the wheel axle

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Motor Or Generator Frames (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Abstract

The invention relates to a magnetic dynamic sealing inner rotor hub motor structure which comprises an inner rotor support (4) and a hub bearing outer ring (5a), wherein the inner rotor support and the hub bearing outer ring are sequentially coaxially and fixedly connected with a rim (2), a hub bearing inner ring (5b) is installed in the hub bearing outer ring (5a), the hub bearing inner ring (5b) is coaxially and fixedly connected with an outer stator shell (3b), the outer stator shell (3b) is connected with a cover plate (3a), and a magnetic sealing ring (6) is arranged between the cover plate (3a) and the inner rotor support (4) and close to the axis of the hub bearing inner ring (5 b). Compared with the prior art, the hub motor has the advantages that the outer ring of the hub bearing, the inner rotor support and the rim are coaxially and fixedly connected, the electronic components are integrally installed on the stator shell, the wire harness and the cooling pipeline are led out, the integration degree of the whole hub motor is improved, in addition, the magnetic sealing ring is arranged between the cover plate and the inner rotor and close to the axis of the motor, and the dynamic sealing reliability can be effectively improved.

Description

Magnetic dynamic seal inner rotor hub motor structure
Technical Field
The invention relates to the technical field of hub motors of electric vehicles, in particular to a magnetic dynamic sealing inner rotor hub motor structure.
Background
Compared with the traditional automobile, the electric automobile has the advantages of energy conservation and environmental protection, so that the electric automobile becomes the mainstream of future development in the automobile field. The electric automobile can be divided into two types of centralized driving and distributed wheel-side driving according to the structural form of a power assembly, wherein the distributed wheel-side driving mainly structurally is that a driving motor is directly installed in or near a driving wheel, and the distributed wheel-side driving has the outstanding advantages of short driving transmission chain, high efficiency, compactness and the like.
Present driving motor often adopts in-wheel motor, and according to the rotor form of motor, in-wheel motor mainly divide into two kinds: the inner rotor type and the outer rotor type, the inner rotor hub motor usually works in the high rotating speed working condition, and has higher specific power and efficiency. The wheel hub motor technology has the biggest characteristic that power, transmission and braking devices are integrated into a wheel hub, the layout is more flexible, and a complex mechanical transmission system is not needed. However, due to the limitation of structure and space, the integrated design of wheel end components such as rims and the like and the hub motor is difficult, and meanwhile, control electronic components which are connected dispersedly are not beneficial to the integrated heat dissipation of the hub motor.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a magnetic dynamic sealing inner rotor hub motor structure, which adopts an integrated design mode and can effectively improve the reliability of dynamic sealing on the premise of ensuring the heat dissipation of a motor.
The purpose of the invention can be realized by the following technical scheme: the utility model provides a magnetic force dynamic seal inner rotor wheel hub motor structure, includes inner rotor support and the wheel hub bearing outer lane that connects firmly coaxially in proper order with the rim, install wheel hub bearing inner race in the wheel hub bearing outer lane, wheel hub bearing inner race and the coaxial solid antithetical couplet of outer stator casing, outer stator casing is connected with the apron, the position that is close to wheel hub bearing inner race axis between apron and the inner rotor support is equipped with the magnetic force sealing washer.
Furthermore, the magnetic seal ring with the magnetic compensation movable ring and the graphite ceramic compensation movable ring are installed on the inner rotor support, and the non-compensation static ring of the magnetic seal ring is fixedly installed on the cover plate through bolts.
Furthermore, an O-shaped rubber sealing ring is arranged between the movable ring with the magnetic compensation and the inner rotor support, and an O-shaped rubber sealing ring is arranged between the non-compensation static ring and the cover plate.
Further, the hub bearing outer ring is connected with the inner rotor support and the rim in sequence through bolts.
Furthermore, one end of the inner ring of the hub bearing is close to the center of the wheel rim, and the other end of the inner ring of the hub bearing is connected with the outer stator shell through a bolt.
Further, a winding coil is installed on the inner side of the outer stator shell, a water cooling jacket is arranged between the winding coil and the outer stator shell, and the water cooling jacket is connected with a cooling pipeline.
Furthermore, electronic components are installed on the outer side of the outer stator shell and connected with a wiring harness.
Furthermore, a through hole for leading out a wire harness and a cooling pipeline is formed in the outer stator shell.
Further, permanent magnets are mounted on the circumferential surface of the inner rotor bracket.
Compared with the prior art, the hub motor has the advantages that the outer ring of the hub bearing, the inner rotor support and the rim are coaxially and fixedly connected, and the inner ring of the hub bearing is coaxially and fixedly connected with the outer stator shell, so that the structural and space limitations are overcome, and the integration degree of the whole hub motor structure is improved;
according to the invention, the magnetic sealing ring in a floating design is arranged between the inner rotor bracket and the cover plate, and is arranged at a position close to the axis of the motor, so that the dynamic sealing reliability of the rotor during rotation can be effectively improved by utilizing the characteristic of low linear speed of rotation of the motor axis accessory and combining the wear-resisting property of the graphite ceramic compensation dynamic ring;
according to the invention, the cooling pipeline and the wire harness are led out from the through hole of the stator shell by adopting a mode of integrating the electronic component and the water cooling jacket on the stator, so that the integrated heat dissipation of the hub motor is facilitated.
Drawings
FIG. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is a schematic view of the installation of the magnetic seal ring;
the notation in the figure is:
1. the tire, 2, rim, 3a, apron, 3b, outer stator casing, 4, inner rotor support, 5a, wheel hub bearing outer lane, 5b, wheel hub bearing inner circle, 6, magnetic seal circle, 6a, take magnetism compensation rotating ring, 6b, graphite pottery compensation rotating ring, 6c, uncompensated stationary ring, 6d, O type rubber seal, 7, water cooling jacket, 8, winding coil, 9, pencil and cooling tube way, 10, permanent magnet, 11, electronic components.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments.
Examples
As shown in fig. 1-2, a magnetic dynamic seal inner rotor hub motor structure comprises an outer stator and an inner rotor, wherein a hub bearing outer ring 5a is coaxially arranged and fixedly connected with an inner rotor support 4 and a rim 2 in sequence through bolts, a tire 1 is arranged on the outer side of the rim 2, and a permanent magnet 10 is arranged on the circumferential surface of the inner rotor support 4;
in consideration of assembly requirements, the outer stator shell 3b is connected with the cover plate 3a on the outer side through bolts, the inner side of the outer stator shell 3b is provided with a winding coil 8, a water cooling jacket 7 is arranged between the winding coil 8 and the outer stator shell 3b, and an alternating magnetic field is generated between the winding coil 8 and the permanent magnet 10 after the winding coil is electrified so as to drive the rotor to rotate;
the inner side of the hub bearing outer ring 5a is connected with a hub bearing inner ring 5b through steel balls, one end of the hub bearing inner ring 5b is close to the center of the rim 2, and the other end of the hub bearing inner ring is coaxially arranged and fixedly connected with the outer stator shell 3b through bolts;
a magnetic sealing ring 6 is arranged between the cover plate 3a and the inner rotor support 4 at a position close to the axis of the motor, wherein a movable ring 6a with magnetic compensation and a graphite ceramic movable ring 6b of the magnetic sealing ring 6 are arranged on the inner rotor support 4, a non-compensation static ring 6c of the magnetic sealing ring 6 is fixedly arranged on the cover plate 3a through bolts, an O-shaped rubber sealing ring 6d is arranged between the movable ring 6a with magnetic compensation and the inner rotor support 4, and an O-shaped rubber sealing ring 6d is also arranged between the non-compensation static ring 6c and the cover plate 3 a;
the outer stator housing 3b is provided with through holes for leading out the wire harness and the cooling pipe 9, and an electronic component 11 is mounted on the outer side of the outer stator housing 3 b.

Claims (9)

1. The utility model provides a magnetic force dynamic seal inner rotor wheel hub motor structure, its characterized in that includes inner rotor support (4) and wheel hub bearing outer lane (5a) that connect firmly coaxially in proper order with rim (2), install wheel hub bearing inner circle (5b) in wheel hub bearing outer lane (5a), wheel hub bearing inner circle (5b) and outer stator housing (3b) are coaxial to connect firmly, outer stator housing (3b) are connected with apron (3a), the position that is close to wheel hub bearing inner circle (5b) axis between apron (3a) and inner rotor support (4) is equipped with magnetic seal circle (6).
2. The structure of the magnetic dynamic seal inner rotor hub motor in claim 1, characterized in that the magnetic compensation moving ring (6a) and the graphite ceramic compensation moving ring (6b) of the magnetic seal ring (6) are installed on the inner rotor bracket (4), and the uncompensated static ring (6c) of the magnetic seal ring (6) is fixedly installed on the cover plate (3a) through bolts.
3. The structure of the magnetic dynamic seal inner rotor hub motor in claim 2, characterized in that an O-shaped rubber sealing ring (6D) is arranged between the magnetic compensation dynamic ring (6a) and the inner rotor bracket (4), and an O-shaped rubber sealing ring (6D) is arranged between the non-compensation static ring (6c) and the cover plate (3 a).
4. The structure of the magnetic dynamic seal inner rotor hub motor in claim 1, characterized in that the hub bearing outer ring (5a) is connected with the inner rotor support (4) and the rim (2) in sequence through bolts.
5. A magnetically-sealed inner rotor hub motor construction according to claim 1, wherein the hub bearing inner ring (5b) has one end near the center of the rim (2) and the other end connected to the outer stator housing (3b) by bolts.
6. The magnetic dynamic seal inner rotor hub motor structure of claim 1, characterized in that a winding coil (8) is installed inside the outer stator housing (3b), a water cooling jacket (7) is arranged between the winding coil (8) and the outer stator housing (3b), and the water cooling jacket (7) is connected with a cooling pipeline.
7. The structure of the magnetic dynamic seal inner rotor hub motor in claim 6, characterized in that an electronic component (11) is installed outside the outer stator shell (3b), and the electronic component (11) is connected with a wire harness.
8. The structure of the magnetic dynamic seal inner rotor hub motor in claim 7, characterized in that the outer stator shell (3b) is provided with a through hole for leading out a wire harness and a cooling pipeline (9).
9. A magnetically active sealed inner rotor hub motor construction according to claim 1, characterized in that permanent magnets (10) are mounted on the circumferential surface of the inner rotor support (4).
CN202010068865.7A 2020-01-21 2020-01-21 Magnetic dynamic seal inner rotor hub motor structure Pending CN111162630A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010068865.7A CN111162630A (en) 2020-01-21 2020-01-21 Magnetic dynamic seal inner rotor hub motor structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010068865.7A CN111162630A (en) 2020-01-21 2020-01-21 Magnetic dynamic seal inner rotor hub motor structure

Publications (1)

Publication Number Publication Date
CN111162630A true CN111162630A (en) 2020-05-15

Family

ID=70564760

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010068865.7A Pending CN111162630A (en) 2020-01-21 2020-01-21 Magnetic dynamic seal inner rotor hub motor structure

Country Status (1)

Country Link
CN (1) CN111162630A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114274762A (en) * 2022-01-17 2022-04-05 中国第一汽车股份有限公司 Integrated structure of hub motor, steering knuckle and brake

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2621599A1 (en) * 2008-02-19 2009-08-19 Nicolas Labrecque In-wheel motor arrangement
CN102996812A (en) * 2012-11-21 2013-03-27 哈尔滨东安发动机（集团）有限公司 Magnetic sealing device
DE102013200117A1 (en) * 2013-01-08 2014-07-10 Siemens Aktiengesellschaft Wheel hub motor and method of sealing a wheel hub motor
CN104024015A (en) * 2011-08-24 2014-09-03 舍弗勒技术有限两合公司 Wheel hub drive system
CN207961526U (en) * 2018-03-20 2018-10-12 威海博锐化工机械有限公司 A kind of magnetic sealing device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2621599A1 (en) * 2008-02-19 2009-08-19 Nicolas Labrecque In-wheel motor arrangement
CN104024015A (en) * 2011-08-24 2014-09-03 舍弗勒技术有限两合公司 Wheel hub drive system
CN102996812A (en) * 2012-11-21 2013-03-27 哈尔滨东安发动机（集团）有限公司 Magnetic sealing device
DE102013200117A1 (en) * 2013-01-08 2014-07-10 Siemens Aktiengesellschaft Wheel hub motor and method of sealing a wheel hub motor
CN207961526U (en) * 2018-03-20 2018-10-12 威海博锐化工机械有限公司 A kind of magnetic sealing device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114274762A (en) * 2022-01-17 2022-04-05 中国第一汽车股份有限公司 Integrated structure of hub motor, steering knuckle and brake

Similar Documents

Publication Publication Date Title
CN111262360B (en) Labyrinth dynamic seal outer rotor hub motor driving device
CN107453538B (en) Hub motor with stand column
CN113799595A (en) Wheel assembly integrating hub motor, rim and brake
CN111245121A (en) Combined dynamic seal outer rotor hub motor driving device
CN106953462B (en) Hub motor
CN111162630A (en) Magnetic dynamic seal inner rotor hub motor structure
CN107196451B (en) Hub motor for automobile
CN101119060A (en) Eddy current permanent-magnet speed buffer
CN111245142A (en) Magnetic dynamic sealing outer rotor hub motor structure
CN110224541B (en) Mobile platform hub motor adopting inductance encoder
CN111371246A (en) Air-cooled structure electric drive assembly for track inspection vehicle
CN201553026U (en) Hybrid power wheel side driving device
CN209217870U (en) Quarry tipper Large Electric wheel directly drives outer rotor Direct wheel drives motor
CN111162648A (en) Labyrinth dynamic seal inner rotor hub motor structure
CN109546799B (en) Large-sized electric wheel direct-drive outer rotor wheel rim driving motor of mining dump truck
CN108599451B (en) Enhanced heat transfer structure of hub motor for electric automobile
CN101888129B (en) Waterproof high-power motor for electric vehicle
CN206060468U (en) A kind of efficient high-speed wheel hub motor with refrigerating function
CN110011482A (en) A kind of nested type wheel power-generating device
CN214124956U (en) No yoke stator module and axial permanent magnetism wheel hub formula motor
CN103121400A (en) In-wheel motor and electric vehicle
CN111193347B (en) Combined dynamic seal inner rotor hub motor driving device
KR101060018B1 (en) In-wheel motor with heat pipe
CN202319875U (en) In-wheel motor and electric vehicle
CN103187821B (en) Driving wheel wheel motor and assembly technology for track maintenance vehicle

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20200515