CN206060380U - A kind of disc type wheel hub electric motor that stator liquid is cold and rotor magnetic steel is built-in - Google Patents
A kind of disc type wheel hub electric motor that stator liquid is cold and rotor magnetic steel is built-in Download PDFInfo
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- CN206060380U CN206060380U CN201620326690.4U CN201620326690U CN206060380U CN 206060380 U CN206060380 U CN 206060380U CN 201620326690 U CN201620326690 U CN 201620326690U CN 206060380 U CN206060380 U CN 206060380U
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Abstract
A kind of disc type wheel hub electric motor that stator liquid is cold and rotor magnetic steel is built-in of the present utility model, including stator module, drive end rotor assembly, anti-drive end rotor assembly, rotary transformer；Stator liquid is cold and the built-in disc-type electric motor of rotor magnetic steel, is a kind of axial excitation flux electric machine, and using double rotor single stator framework, wherein rotor adopts magnetic steel built-in type structure, heat management using stator liquid it is cold+stator winding plastic packaging epoxy composite radiating mode.Using stator liquid it is cold+disc type electric machine of stator winding plastic packaging epoxy composite radiating mode, it is bigger that power density, torque density can do, and structure is compacter.
Description
Technical field
This utility model is related to a kind of motor of pure electronic, field of hybrid electric vehicles, and in particular to a kind of stator liquid
The built-in disc type wheel hub electric motor of cold and rotor magnetic steel.
Background technology
Pure electronic, field of hybrid electric vehicles application motor mostly be radial flux AC permanent magnet synchronous motor,
Direct current generator or AC asynchronous motor, as conventional radial motor axial direction installation dimension is larger, power density and efficiency are all
It is low, it is unfavorable for electric automobile domain level constraints requirement is strict, the applications that efficiency requirements are high.
The single methods for cooling such as conventional water-cooled machine, the general end cap water-cooled for adopting support water-cooled or minority, and it is pure
Electronic, mixed power electric motor of automobile degree of protection has high demands, and chassis installing space is narrow and small, and motor is accelerating overtake other vehicles, climb
Operating mode, produces substantial amounts of heat, it is contemplated that the capacity of heat transmission of air is poor in support, only leans on sometimes support water-cooled or end
Lid water-cooled tends not to shed to exchange heat in time, brings great challenge to motor temperature rise.
Utility model content
In order to overcome the shortcoming of above-mentioned prior art, the purpose of this utility model is to provide a kind of stator coolant cooling
And the built-in disc-type electric motor of rotor.
This utility model is adopted the following technical scheme that：
A kind of disc type wheel hub electric motor that stator liquid is cold and rotor magnetic steel is built-in, it is characterised in that the motor bag
Include stator module（st100）, drive end rotor assembly（ro200）, anti-drive end rotor assembly（ro300）, rotary transformer
（re400）；The drive end rotor assembly（ro200）Including magnet steel（ro206）, the magnet steel（ro206）Excircle and coated on bottom side
Magnet steel bottom surface glue is covered with, using magnet steel support（ro205）Position the magnet steel（ro206）, in the magnet steel（ro206）Outside peace
Equipped with main pole（ro207）With leakage field pole（ro209）, the main pole（ro207）, leakage field pole（ro209）Fixed by screw
To the magnet steel support（ro205）On, rotor core（ro203）The magnet steel support is fixed to by screw（ro205）On, drive
Moved end end cap（ro202）The rotor core is fixed to by screw（ro203）On.
According to above-mentioned motor, it is characterised in that drive end axle bearing（st113）Support frame is fixed to by screw
（st107）On, non-driven-end bearing seat（st114）For a point half structure, Serpentiss type cooling water channel（st115）It is placed on the support rib
Frame（st107）With the non-driven-end bearing seat（st114）Between, a side end face is by the drive end axle bearing（st113）
Axially position, another side end face pass through bearing end cover（st116）Axially position, and it is disposed with coolant inlet（st119）With it is cold
But liquid outlet（st120）；The stator module（st100）Including stator core（st101）, the stator core（st101）It is outer
Wall is cased with stator winding（st102）, the stator winding（st102）Plastic packaging has epoxy resin.
According to above-mentioned motor, it is characterised in that by the angular contact ball bearing of a pair back-to-back settings（ro214）、
Angular contact bearing（ro215）Realize the stator module（st100）With anti-drive end rotor assembly（ro300）With drive end rotor
Component（ro200）Relative motion.
According to above-mentioned motor, it is characterised in that the Serpentiss type cooling water channel（st115）In coolant adopt 50%
Water and 50% ethylene glycol volume ratio are mixed.
According to above-mentioned motor, it is characterised in that the drive end end cap of the motor（ro202）, support（1）, it is non-
Drive end end cap（ro310）Using 6082 series alloys, and carry out anodic oxidation blackening process.
According to above-mentioned motor, it is characterised in that the magnet steel（ro206）Every piece of monomer adopt block design, by 4
The contour trapezoidal little magnet steel composition of block.
According to above-mentioned motor, it is characterised in that the anti-drive end rotor assembly（ro300）Non-drive end shield
（ro310）It is internally provided with lip packing（ro309）, the lip packing（ro309）With the stator module（st100）In
Bearing end cover（st116）Contact.
The beneficial effects of the utility model：
Disc type electric machine heat management design of the present utility model can active reduce loss and passive reduce loss.Actively reduce damaging
Ultra-thin stalloy is mainly considered as in terms of consumption and has made stator core st101, main pole ro207, main pole ro302 and leakage
Magnetic pole ro209, leakage field pole ro304, for reducing iron loss, magnet steel ro206, every piece of monomer of magnet steel ro305 adopt 4 sections of trapezoid blocks
Design, and carry out epoxy coating and be vortexed to reduce eddy-current loss to block, stator winding st102 is using thin, paint film heatproof etc.
The higher enamel-covered wire of level, multiply around reducing the measures such as high-frequency vortex copper loss.In terms of passive reduce loss, by stator module
The stator winding st102 of st100 uses epoxy resin plastic packaging, improves heat conductivity, and leads to cold using Serpentiss type cooling water channel st115
But liquid band walks heat.Magnet steel ro206, magnet steel ro305 are using the higher N38EH sintered NdFeB materials of temperature resistant grade.By with
Upper measure, disc type electric machine are provided with higher heatproof and upgrade, and can bear bigger overload, and structure is compacter, improves
Power of motor density and torque density；
Additionally, disc type electric machine weak-magnetic speed-regulating ability of the present utility model is wider.Drive end rotor assembly ro200 and non-driven
End rotor assembly ro300 employs magnet steel ro206, magnet steel ro305 built-in structures, by arranging main pole ro207, main pole
Ro302 and leakage field pole ro209, leakage field pole ro304, obtain unequal friendship/d-axis magnetic circuit, so as to have wider weak magnetic
Speed regulation capacity.The internal spline of disc type electric machine is connected by spline pair with the external splines on the output shaft of variator or differential mechanism,
Wherein couple with variator, for slowing down；Wheel hub is coupled or is to be mounted directly to differential mechanism, for straight drive, because eliminating tooth
Roller box, the complexity for reducing gear case assembly power attenuation and system is, the efficiency and maintainability that improve system.It is main to make
For traction power, harshness is required to space, reliability, high power density, high efficiency, low noise etc., be suitable for pure electronic, mixing
The fields such as power vehicle are used as the straight application for driving, matching differential mechanism or change speed gear box.
Description of the drawings
Parts detonation configuration figures of the Fig. 1 for this utility model disc type electric machine.
Overall sectional structure charts of the Fig. 2 for this utility model disc type electric machine.
Magnetic structure figures of the Fig. 3 for this utility model disc type electric machine.
Stator module sectional structure charts of the Fig. 4 for this utility model disc type electric machine.
Stator module detonation configuration figures of the Fig. 5 for this utility model disc type electric machine.
Drive end rotor assembly sectional structure charts of the Fig. 6 for this utility model disc type electric machine.
Drive end rotor assembly detonation configuration figures of the Fig. 7 for this utility model disc type electric machine.
Anti-drive end rotor assembly sectional structure charts of the Fig. 8 for this utility model disc type electric machine.
Anti-drive end rotor assembly detonation configuration figures of the Fig. 9 for this utility model disc type electric machine.
Rotary transformer component sectional structure charts of the Figure 10 for this utility model disc type electric machine.
Rotary transformer component detonation configuration figures of the Figure 11 for this utility model disc type electric machine.
Specific embodiment
Below in conjunction with the accompanying drawings this utility model is described in detail.
Described stator liquid is cold and the built-in disc-type electric motor of rotor, is a kind of axial excitation flux electric machine, is turned using double
Sub- list stator framework, wherein rotor adopt magnetic steel built-in type structure, heat management to adopt stator liquid cold and stator winding epoxy resin
Plastic packaging integrated mode；Including stator module st100, drive end rotor assembly ro200, anti-drive end rotor assembly ro300, rotation
Transformator re400.Stator module st100 is in drive end rotor assembly ro200 and anti-drive end rotor assembly ro300
Between, positioned by seam between drive end rotor assembly ro200 and anti-drive end rotor assembly ro300 and support 1.Drive end turns
Sub-component ro200, anti-drive end rotor assembly ro300, support 1 connect into the entirety of a rotation by 2 tightening of holding screw,
Stator module st100 is fixed on chassis as stationary part, facilitates outlet and injection coolant.Rotary transformer re400
Rotation become rotor be fixed on the main shaft ro213 included by anti-drive end rotor assembly ro300 by holding screw re402, rotation
Become stator to be fixed on the bearing end cover st116 included by stator module st100 by holding screw re410, such as Fig. 1, Fig. 2 institutes
Show.
Described stator liquid is cold and the magnetic circuit of the built-in disc-type electric motor of rotor turns through stator module st100, drive end
Sub-component ro200 and anti-drive end rotor assembly ro300.Concrete magnetic circuit is as follows：Magnet steel ro305a → main pole ro302a → fixed
Sub- iron core st101a → main pole ro207c → magnet steel ro206c → rotor core ro203 → magnet steel ro206b → main pole
Ro207b → stator core st101b → main pole ro302b → magnet steel ro305b → rotor core ro307.Wherein adjacent magnet steel
Ro305a and ro305b, ro206a and ro206b opposite polarity, with respect to magnet steel ro305a and ro206a, ro305b and ro206b pole
Property conversely, as shown in Figure 3.
Described stator module st100, such as Fig. 4, shown in Fig. 5, including stator core st101, stator core st101 is by height
Pcrmeability, low-loss, ultra-thin stalloy is radially superposed forms, to reduce stator core loss, in upper and lower notch position, each to weld
Each monomer is formed an entirety by 2 road weld seams.Stator winding st102 is cased with each tooth of stator core st101, it is fixed
Sub- winding st102 draws three-phase UVW lead-out wires.
Support frame st107 is embedded between adjacent 2 teeth of stator core st101, stator winding st102 both sides
End face uses outer end ring st106 and outer end ring st109, screw st104 and screw st111, interior end ring st106 and interior end ring
St106, screw st103 and screw st110 are fixed to support frame st107, form an entirety, to limit stator core
St101, stator winding st102 radially, axially, tangential motion.
Drive end axle bearing st113 is fixed on support frame st107 by screw st112, non-driven-end bearing seat
St114, for the ease of installing/dismounting, designs composition half structure, Serpentiss type cooling water channel st115 be placed on support frame st107 with
Between non-driven-end bearing seat st114, by drive end axle bearing st113 axially position, another side end face passes through for a side end face
Bearing end cover st116 axially positions, and it is disposed with coolant inlet st119, cooling liquid outlet st120.
The heat that stator winding st102, stator core st101 are produced, by the asphalt mixtures modified by epoxy resin of stator winding st102 institutes plastic packaging
Fat, is transmitted to the support frame st107 of aluminum alloy material, then by the flowing coolant band in Serpentiss type cooling water channel st115
Walk.This design, increases the contact area of dissipation of main pyrotoxin, significantly improves stator radiating effect.
Bearing end cover st116 is fixed on support frame st107 by screw st118.Temperature sensor detection line is from axle
Draw in holding the cycle hole of enclosing cover st116, sealed using rubber bush.
Described drive end rotor assembly ro200, in order that motor has wide weak-magnetic speed-regulating ability, by drive end rotor
Component ro200 is designed to magnet steel ro206 built-in structures, and it is unequal to reach friendship/direct axis reluctance, while can be with firm fixed magnet steel
And reduce the purpose of leakage magnetic flux, described drive end rotor assembly ro200 includes magnet steel ro206, magnet steel ro206 excircles and
Bottom surface coating magnet steel bottom surface glue, carrys out positioning magnetic steel ro206 using magnet steel support ro205, limits its tangential, radial motion.In magnetic
Main pole ro207 and leakage field pole ro209 are installed, by screw ro208 by main pole ro207, leakage field pole on the outside of steel ro206
Ro209 is fixed on magnet steel support ro205, then passes through screw ro204 and rotor core ro203 is fixed to magnet steel support
On ro205, finally by screw ro201 by drive end end cap ro202 fixed rotor iron core ro203.
The relative motion of stator module st100 and anti-drive end rotor assembly ro300 and drive end rotor assembly ro200,
Realized by angular contact ball bearing ro214, the angular contact bearing ro215 of one group of back-to-back setting are provided with main shaft ro213, with
Main shaft ro213 interference fit is linked, and is linked with drive end axle bearing st113 and non-driven-end bearing seat st114 interference fits, its
The side of middle angular contact bearing ro214 inner rings is positioned by main shaft ro213 seams, and outer ring is by non-in stator module st100
The end face of drive end axle bearing st114 is spacing；Angular contact bearing ro215 inner rings side is spacing by the seam of main shaft ro213, outward
Circle is spacing by the end face of drive end axle bearing st113 in stator module st100, and inner ring opposite side passes through retainer nut
Ro216 is fixed.Main shaft ro213 is fixed to drive end end cap ro202 by screw ro201, and external internal splined shaft bushing ro211 leads to
Cross screw ro210 and be fixed to drive end end cap ro202, meanwhile, O-ring ro312 realizations are installed in anti-drive end cover ro310
Static seal, such as Fig. 6, shown in Fig. 7.
Described anti-drive end rotor assembly ro300 includes main pole ro302, leakage field pole ro304, magnet steel ro305, magnet steel
Support ro306, rotor core ro307, non-drive end shield ro310 and screw ro301, screw ro303, screw 308, screw
Ro311 is essentially identical with drive end rotor assembly ro200 structures, fixed form.Difference is non-drive end shield ro310
The bearing end cover st116 being internally provided with lip packing ro309, lip packing ro309 and stator module st100 contacts,
Contact seal effect is realized, meanwhile, O-ring ro312 is installed in anti-drive end cover ro310 and realizes static seal, such as Fig. 8, scheme
Shown in 9.
Described rotary transformer component re400, in order to accurately detect rotor-position signal, revolves set attached bag
Include rotation and become stator core re408, be embedded with rotation thereon and become stator winding re407, rotation is become stator core re408 and become with rotation by hot jacket
In stator flange re409 interference fit, and the bearing end cover st116 being fixed in stator module st100 by screw re410；
Rotation becomes rotor includes that rotation becomes rotor core re405, is installed on axle sleeve re401, adjusts its axial distance by sleeve re403,
And its tangential motion is limited by key re404, and its axially-movable is limited using shaft block ring re406, axle sleeve re401 passes through
Screw re402 is fixed on the main shaft ro213 in drive end rotor assembly ro200.Rotation becomes stator flange re409 and is provided with kidney-shaped
Hole, for adjusting the position that rotation becomes the circumferencial direction of stator, such as Figure 10, shown in Figure 11.
Operation principle of the present utility model is：The external inverter outputs of stator winding st102 in stator module st100
Three-phase alternating current, generation circular rotating field, the magnetic field intercepts stator winding st102 that magnet steel ro206, magnet steel ro305 are produced, from
And the circular rotating field that stator winding st102 is produced drives the permanent magnetic field that magnet steel ro206, magnet steel ro305 are produced synchronously to revolve
Turn, produce electromagnetic torque.The heat produced in disc type electric machine running, the main circulation by stator module st100
Coolant is taken away, and conducts hot scheme as a result of coolant cooling+stator winding st102 plastic packagings, and disc type electric machine can bear
Bigger overload, possesses bigger power density and torque density；Employ built-in rotor scheme so that disc type electric machine possesses
Broader weak-magnetic speed-regulating ability, can under higher rotating speed reliability service.
Although this specification has been illustrated and described specific embodiment, it will be understood by those skilled in the art that
In the case of without departing substantially from scope of the present utility model, shown in various replacements or be equal to are realized substituting and described this
It is embodied as example.The application is intended to cover any change and this utility model is discussed various is embodied as example.Cause
This this utility model is limited only by the claims and the equivalents thereof.
Claims (7)
1. a kind of disc type wheel hub electric motor that stator liquid is cold and rotor magnetic steel is built-in, it is characterised in that the motor includes
Stator module（st100）, drive end rotor assembly（ro200）, anti-drive end rotor assembly（ro300）, rotary transformer
（re400）；The drive end rotor assembly（ro200）Including magnet steel（ro206）, the magnet steel（ro206）Excircle and coated on bottom side
Magnet steel bottom surface glue is covered with, using magnet steel support（ro205）Position the magnet steel（ro206）, in the magnet steel（ro206）Outside peace
Equipped with main pole（ro207）With leakage field pole（ro209）, the main pole（ro207）, leakage field pole（ro209）Fixed by screw
To the magnet steel support（ro205）On, rotor core（ro203）The magnet steel support is fixed to by screw（ro205）On, drive
Moved end end cap（ro202）The rotor core is fixed to by screw（ro203）On.
2. a kind of disc type wheel hub electric motor that stator liquid is cold and rotor magnetic steel is built-in according to claim 1, its feature
It is, drive end axle bearing（st113）Support frame is fixed to by screw（st107）On, non-driven-end bearing seat（st114）
For a point half structure, Serpentiss type cooling water channel（st115）It is placed on the support frame（st107）With the non-driven-end bearing seat
（st114）Between, a side end face is by the drive end axle bearing（st113）Axially position, another side end face is by outside bearing
Lid（st116）Axially position, and it is disposed with coolant inlet（st119）And cooling liquid outlet（st120）；The stator module
（st100）Including stator core（st101）, the stator core（st101）Outside wall surface be cased with stator winding（st102）, it is described
Stator winding（st102）Plastic packaging has epoxy resin.
3. a kind of disc type wheel hub electric motor that stator liquid is cold and rotor magnetic steel is built-in according to claim 1, its feature
It is, by the angular contact ball bearing of a pair back-to-back settings（ro214）, angular contact bearing（ro215）Realize the stator pack
Part（st100）With anti-drive end rotor assembly（ro300）With drive end rotor assembly（ro200）Relative motion.
4. a kind of disc type wheel hub electric motor that stator liquid is cold and rotor magnetic steel is built-in according to claim 2, its feature
It is, the Serpentiss type cooling water channel（st115）In coolant mixed using 50% water and 50% ethylene glycol volume ratio.
5. a kind of disc type wheel hub electric motor that stator liquid is cold and rotor magnetic steel is built-in according to claim 1, its feature
It is, the drive end end cap of the motor（ro202）, support（1）, non-drive end shield（ro310）Using 6082 series aluminums
Alloy, and carry out anodic oxidation blackening process.
6. a kind of disc type wheel hub electric motor that stator liquid is cold and rotor magnetic steel is built-in according to claim 1, its feature
It is, the magnet steel（ro206）Every piece of monomer adopt block design, be made up of 4 blocks of contour trapezoidal little magnet steel.
7. a kind of disc type wheel hub electric motor that stator liquid is cold and rotor magnetic steel is built-in according to claim 1, its feature
It is, the anti-drive end rotor assembly（ro300）Non-drive end shield（ro310）It is internally provided with lip packing
（ro309）, the lip packing（ro309）With the stator module（st100）In bearing end cover（st116）Contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620326690.4U CN206060380U (en) | 2016-04-19 | 2016-04-19 | A kind of disc type wheel hub electric motor that stator liquid is cold and rotor magnetic steel is built-in |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620326690.4U CN206060380U (en) | 2016-04-19 | 2016-04-19 | A kind of disc type wheel hub electric motor that stator liquid is cold and rotor magnetic steel is built-in |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206060380U true CN206060380U (en) | 2017-03-29 |
Family
ID=58372839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620326690.4U Withdrawn - After Issue CN206060380U (en) | 2016-04-19 | 2016-04-19 | A kind of disc type wheel hub electric motor that stator liquid is cold and rotor magnetic steel is built-in |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206060380U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105720712A (en) * | 2016-04-19 | 2016-06-29 | 北京康城科技有限公司 | Disk-type hub motor adopting stator liquid cooling and having rotor magnetic steel being embedded |
| CN109950995A (en) * | 2019-04-29 | 2019-06-28 | 洛阳优特威车业有限公司 | A kind of disc type hub motor |
-
2016
- 2016-04-19 CN CN201620326690.4U patent/CN206060380U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105720712A (en) * | 2016-04-19 | 2016-06-29 | 北京康城科技有限公司 | Disk-type hub motor adopting stator liquid cooling and having rotor magnetic steel being embedded |
| CN109950995A (en) * | 2019-04-29 | 2019-06-28 | 洛阳优特威车业有限公司 | A kind of disc type hub motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170329 Effective date of abandoning: 20180202 |
|
| AV01 | Patent right actively abandoned |