CN205356106U - Brushless in -wheel motor of direct current permanent magnetism - Google Patents
Brushless in -wheel motor of direct current permanent magnetism Download PDFInfo
- Publication number
- CN205356106U CN205356106U CN201620108751.XU CN201620108751U CN205356106U CN 205356106 U CN205356106 U CN 205356106U CN 201620108751 U CN201620108751 U CN 201620108751U CN 205356106 U CN205356106 U CN 205356106U
- Authority
- CN
- China
- Prior art keywords
- iron core
- permanent
- wheel hub
- stator body
- less
- 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.)
- Expired - Fee Related
Links
Landscapes
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
The utility model belongs to the technical field of the motor and specifically relates to a brushless in -wheel motor of direct current permanent magnetism comprises stator assembly and rotor assembly, the stator assembly includes stator body, solenoid winding iron core group and motor shaft, and the motor shaft setting is on stator body, and rotor assembly suit is on the motor shaft, iron core, solenoid that solenoid winding iron core group was arranged by a plurality of mutual independence form, and a plurality of iron core uses the motor shaft to arrange as the centre of a circle, along the circumferencial direction and arranges, iron core lateral part and stator body fixed connection, and solenoid is around establishing on the iron core, the rotor assembly includes rotor body and permanent magnetism body group, and the last ring channel that is provided with of rotor body, solenoid winding iron core histotope are inside the cell body of ring channel, and the permanent magnetism body group sets firmly just to the iron core position in the ring channel. This patent motor simple structure realizes the bipolar utilization of iron core, and the electric efficiency is higher.
Description
Technical field
The invention belongs to technical field of motors, what be specifically related to is the permanent-magnetic brush-less DC wheel hub motor of a kind of end-cover-free, the bipolar utilization of stator upper core.
Background technology
Along with people's living standard improves day by day, drive to go on a journey and become majority's traffic behavior, but existing vehicle is used mostly fossil fuel, use fossil fuel not only to user's increase car cost, also pollution of ecological environment, particularly air pollution are serious, and haze weather has a strong impact on physical and mental health and the quality of life of people, so government encourages popular purchase new-energy automobile in financial subsidies mode, each cart enterprise of the world and scientific & technical corporation are all being actively developed. produce. sell new-energy automobile.Along with petroleum resources air pollution of petering out is on the rise, pure electric automobile is with low noise. and the advantages such as zero-emission, the main flow becoming future automobile circle is the most possible.The motor of pure electric automobile is ideal with AC permanent magnet permanent-magnetic brush-less DC wheel hub motor again, many complicated heavy parts such as saves on orthodox car from electromotor to Transmission Bridge, reduces complete vehicle weight, increase car load and utilize space.The power of current pure electric automobile is also difficult to mileages of continuation compare with tradition fossil fuel automobile; do not have made marked progress under condition at existing electrokinetic cell storage electricity and charging technique; need a kind of more efficient wheel hub motor to realize the raising of power and mileages of continuation; more people is allowed to be ready to buy pure electric automobile, to reach the purpose of energy-saving and emission-reduction protection environment.
Summary of the invention
The present invention provides a kind of novel permanent-magnetic brush-less DC wheel hub motor so that solenoid winding iron core can bipolar utilize.
The permanent-magnetic brush-less DC wheel hub motor of the present invention, is made up of field frame assembly and rotor assembly；Field frame assembly includes stator body, solenoid winding iron core group and motor shaft, and motor shaft is arranged on stator body, and rotor assembly is sleeved on motor shaft；Solenoid winding iron core group is made up of the iron core of several separate layouts, solenoid, several iron cores with motor shaft be the center of circle, along the circumferential direction arranged, iron core sidepiece is fixing with stator body to be connected, and solenoid is around being located on iron core；Rotor assembly includes rotor body and set of permanent magnets, and rotor body is provided with cannelure, and solenoid winding iron core group is positioned at inside the cell body of cannelure, and set of permanent magnets is installed in cannelure just to plunger position.
Above-mentioned permanent-magnetic brush-less DC wheel hub motor, further, rotor assembly surrounds the solenoid winding iron core group part of field frame assembly, does not surround stator body part on field frame assembly, and stator body is placed on motor side.
Above-mentioned permanent-magnetic brush-less DC wheel hub motor, further, the two side in cannelure is provided with set of permanent magnets.
Above-mentioned permanent-magnetic brush-less DC wheel hub motor, further, described set of permanent magnets is arranged in order by permanent magnets and forms, the magnetic pole opposed of adjacent permanent magnet block；In cannelure, the permanent magnet blocks on two side is arranged and contrary towards the magnetic pole of iron core in pairs.
Above-mentioned permanent-magnetic brush-less DC wheel hub motor, further, described iron core is I shape.
Above-mentioned permanent-magnetic brush-less DC wheel hub motor, further, the circumferencial direction that described stator body is arranged along iron core is provided with annular mounting groove, annular mounting groove is provided with several support groups, the vertical part of the iron core of I shape fixes between adjacent support group, and support group is between the upper inferior transverse part of the iron core of I shape.
Above-mentioned permanent-magnetic brush-less DC wheel hub motor, further, described support group is made up of periphery support and inner circumferential support, annularly the notch periphery of mounting groove, inner circumferential are arranged respectively for periphery support, inner circumferential support, periphery support be circular arc and cambered surface towards circumferential exterior, inner circumferential support is circular arc and cambered surface towards circumferential inner.
Above-mentioned permanent-magnetic brush-less DC wheel hub motor, further, described stator body is provided with thermal vias.
Above-mentioned permanent-magnetic brush-less DC wheel hub motor, further, described stator body is disk-shaped structure, and stator body and motor shaft are integrated.
This patent has the advantages that
The lateral surface of 1, the permanent-magnetic brush-less DC wheel hub motor of this patent, it is not necessary to electric motor end cap, field frame assembly and rotor assembly respectively motor, structure is simpler, maintains easily.Stator body is external simultaneously, external end can manufacture and vehicle frame or body connection structure, and controller mounting seat etc. needs supporting structure when using, can also need integrated installations such as brake pump support and suspension connecting rods at the external end of stator body according to design, be extremely improved and utilize space.
2, the permanent-magnetic brush-less DC wheel hub motor of this patent is provided with several iron cores, and each iron core is independently arranged, iron core sidepiece is fixed on field frame assembly, thus being exposed at iron core two ends.After the solenoid on iron core passes into electric current, iron core can be formed independent magnetic field again, and interference between each iron core, will not be produced, meanwhile, iron core sidepiece and field frame assembly connect, and are vacated at iron core two ends, match with the ring channel structures on rotor assembly, for utilizing leaving space.
3, being provided with set of permanent magnets on both sides in the cannelure of rotor assembly, therefore the two ends of iron core are all to there being permanent magnets, when motor works, it is possible to achieve the bipolar utilization of iron core, under same operating mode, it is achieved higher efficiency.
4, further, the iron core of this patent adopts I shape, solenoid is around the vertical part being located at I shape, the I shape transverse part of adjacent iron cores can be arranged closely, coiling notch need not be left, such that it is able to reach better motor to drive effect, so can improve power of motor and more smooth and easy startup operates.
5, further, this patent arranges support group, grips iron core by support group, and support group is arranged to circular arc with iron core contact position, it is possible to the dropping place making iron core is more firm, it is ensured that stablizing of electric machine operation state.After iron core is arranged in support group, it is possible to the outer end sleeving and riveting to support group, it is achieved better fixed effect.
6, on field frame assembly, thermal vias it is provided with, thermal vias connection iron core, solenoid position, the guiding of air-flow can be carried out in running, it is achieved motor radiating.
Accompanying drawing explanation
Fig. 1 is permanent-magnetic brush-less DC wheel hub motor schematic diagram.
Fig. 2 is that in Fig. 1, AA, to sectional view, is particularly shown electric machine structure.
Fig. 3 is field frame assembly (installing solenoid winding iron core group) structural representation.
Fig. 4 is field frame assembly (not installing solenoid winding iron core group) structural representation.
Fig. 5 is rotor assembly structural representation.
Fig. 6 is rotor assembly front view.
Fig. 7 is encircled portion partial enlarged drawing in Fig. 6.
Fig. 8 is the schematic diagram after field frame assembly installs solenoid winding iron core group.
Fig. 9 is core structure figure.
Detailed description of the invention
Embodiment 1
The present embodiment provides specific embodiment, as in figure 2 it is shown, permanent-magnetic brush-less DC hub motor structure is as follows: motor is made up of field frame assembly and rotor assembly, field frame assembly includes stator body 1, solenoid winding iron core group 3 and motor shaft 2；Motor shaft 2 is fixedly installed on stator body 1, it is preferred to use with stator body 1 integrated formed structure, rotor assembly is sleeved on motor shaft 2, it is possible to rotate around motor shaft 2.Stator body 1 can be selected for the non-magnetic material such as aluminium alloy or rustless steel, and motor shaft 2 selects the steel alloy material of high intensity, stator body 1 and motor shaft 2 is manufactured integrally by forging or compression casting.
Solenoid winding iron core group 3 is made up of the iron core 31 of several separate layouts, solenoid 32, the quantity of iron core 31 can be determined as required, several iron cores 31 with motor shaft 2 be the center of circle, along the circumferential direction wound motor axle 2 arranged, the sidepiece of iron core 31 is fixing with stator body 1 to be connected, solenoid 32 is around being located on iron core 31, be independent from due to each iron core 31 and both ends are exposed, therefore, after passing into electric current around the solenoid 32 being located on iron core 31, each iron core 31 becomes independent electric magnet.
Rotor assembly includes rotor body 4 and set of permanent magnets 5, and rotor body is provided with cannelure 6, and solenoid winding iron core group 3 is positioned at inside the cell body of cannelure 6, and set of permanent magnets 5 is fixed on the medial wall of cannelure, just to iron core 31 position.
Said structure is the state that this patent is most basic, visible, rotor assembly only encloses solenoid winding iron core group 3 part of field frame assembly, does not surround stator body 1 part on field frame assembly, therefore stator body 1 and rotor body 4 all have part for external, and motor does not have end cap.In permanent-magnetic brush-less DC wheel hub motor, the coiling of solenoid and the setting of Hall element are similar to prior art, and the content being known to the skilled person does not repeat them here.In said structure, it is connected owing to the sidepiece of iron core 31 is fixing with stator body 1, solenoid winding iron core group 3 is positioned at inside the cell body of cannelure 6 simultaneously, therefore iron core 31 both ends are exposed, the bipolar field at two ends can utilize simultaneously, and the set of permanent magnets 5 on cannelure 6 medial wall as far as possible close to iron core 31, can reach better utilizing status.In time being provided with set of permanent magnets 5 on the two side in cannelure 6, can realizing the bipolar utilization of iron core 31, same electric energy reaches nearly twice driving effect.
Form as it can be seen, set of permanent magnets 5 is arranged in order by permanent magnets 51, the magnetic pole opposed of adjacent permanent magnet block 51；51 pieces of paired layouts of permanent magnet on two side and contrary towards the magnetic pole of iron core in cannelure 6.
Embodiment 2
The present embodiment provides a kind of technical scheme more having, the design specifically more optimized in the fixed form of iron core 31, as it can be seen, iron core 31 is I shape, specifically for erecting type in the middle of a kind of cross sectional shape, there is horizontal projection at upper and lower both ends.
The circumferencial direction that stator body 1 is arranged along iron core 31 is provided with annular mounting groove 7, annular mounting groove 7 is provided with several support groups, support group is made up of periphery support 8 and inner circumferential support 9, annularly the notch periphery of mounting groove 7, inner circumferential are arranged respectively for periphery support 8, inner circumferential support 9, periphery support 8 be circular arc and cambered surface towards circumferential exterior, inner circumferential support 9 is circular arc and cambered surface towards circumferential inner.When adopting support group to fix the iron core 31 of " I shape ", support group and iron core 31 insulated contact, the vertical part of iron core 31 fixes between adjacent support group, and the transverse part at iron core 31 two ends lay respectively at periphery support 8 outside, within inner circumferential support 9.Solenoid 32 is around being located on iron core 31 and having cannelure 6 owing to having on annular mounting groove 7, rotor body 4 on stator body 1, therefore solenoid 32 can not be drawn from the end of iron core 31 and be carried out coiling, and have only to walk between cannelure 6, annular mounting groove 7, it is as far as possible close that the iron core two ends transverse part of " I shape " iron core 31 can be arranged, and so can improve power of motor and more smooth and easy startup operates.
After solenoid winding iron core group 3 is arranged on stator body 1, by the periphery support 8 of inside and outside two circles, inner circumferential support 9 outer end sleeving and riveting, solenoid winding iron core group 3 is allowed to be firmly fixed on stator body 1, prevent from trembleing during work or departing from, again by whole solenoid winding iron core group 3 dipping lacquer, reach the effect that the antirust and deeper level of waterproof solidifies.
As more excellent technical scheme, above-mentioned permanent-magnetic brush-less DC wheel hub motor, stator body 1 is additionally provided with thermal vias 10, thermal vias 10 is for the heat radiation of motor, such as when this motor is in electric motor car, can be hose connection to thermal vias 10 by passing through wind-guiding, can guide air-flow is that motor realizes heat radiation, does not affect again the sealing of motor.Being provided with dead eye in the middle part of rotor body 4, motor bearings 11 is arranged on the dead eye of rotor body 4, and rotor body 4 is sleeved on motor shaft 2 by motor bearings 11, and nut 12 is fixed against generation axial motion when rotor body 4 rotates on motor shaft 2.
Installing small one and large one two sealing rings on rotor body 4 for motor seal, little is arranged on nearly motor shaft 2 position, for rotating shaft sealing circle 13；Big is arranged on nearly stator body 1 position, for rotor seal ring 14, better realizes the waterproof sealing of motor.
What above-described embodiment was only permanent-magnetic brush-less DC wheel hub motor of the present invention implements structure; being apparently not the restriction that the present invention is embodied as, all processes are simply transformed and are reached equivalence or all products of extending according to the major design of present invention spirit all among the present invention protects.
Claims (9)
1. a permanent-magnetic brush-less DC wheel hub motor, it is characterised in that: it is made up of field frame assembly and rotor assembly；
Field frame assembly includes stator body, solenoid winding iron core group and motor shaft, and motor shaft is arranged on stator body, and rotor assembly is sleeved on motor shaft；
Solenoid winding iron core group is made up of the iron core of several separate layouts, solenoid, several iron cores with motor shaft be the center of circle, along the circumferential direction arranged, iron core sidepiece is fixing with stator body to be connected, and solenoid is around being located on iron core；
Rotor assembly includes rotor body and set of permanent magnets, and rotor body is provided with cannelure, and solenoid winding iron core group is positioned at inside the cell body of cannelure, and set of permanent magnets is installed in cannelure just to plunger position.
2. permanent-magnetic brush-less DC wheel hub motor according to claim 1, it is characterised in that: rotor assembly surrounds the solenoid winding iron core group part of field frame assembly, does not surround stator body part on field frame assembly, and stator body is placed on motor side.
3. permanent-magnetic brush-less DC wheel hub motor according to claim 1, it is characterised in that: the two side in cannelure is provided with set of permanent magnets.
4. permanent-magnetic brush-less DC wheel hub motor according to claim 3, it is characterised in that: described set of permanent magnets is arranged in order by permanent magnets and forms, the magnetic pole opposed of adjacent permanent magnet block；In cannelure, the permanent magnet blocks on two side is arranged and contrary towards the magnetic pole of iron core in pairs.
5. permanent-magnetic brush-less DC wheel hub motor according to claim 1, it is characterised in that: described iron core is I shape.
6. permanent-magnetic brush-less DC wheel hub motor according to claim 5, it is characterized in that: the circumferencial direction that described stator body is arranged along iron core is provided with annular mounting groove, annular mounting groove is provided with several support groups, the vertical part of the iron core of I shape fixes between adjacent support group, and support group is between the upper inferior transverse part of the iron core of I shape.
7. permanent-magnetic brush-less DC wheel hub motor according to claim 6, it is characterized in that: described support group is made up of periphery support and inner circumferential support, annularly the notch periphery of mounting groove, inner circumferential are arranged respectively for periphery support, inner circumferential support, periphery support be circular arc and cambered surface towards circumferential exterior, inner circumferential support is circular arc and cambered surface towards circumferential inner.
8. permanent-magnetic brush-less DC wheel hub motor according to claim 1, it is characterised in that: described stator body is provided with thermal vias.
9. permanent-magnetic brush-less DC wheel hub motor according to claim 1, it is characterised in that: described stator body is disk-shaped structure, and stator body and motor shaft are integrated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620108751.XU CN205356106U (en) | 2016-02-03 | 2016-02-03 | Brushless in -wheel motor of direct current permanent magnetism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620108751.XU CN205356106U (en) | 2016-02-03 | 2016-02-03 | Brushless in -wheel motor of direct current permanent magnetism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205356106U true CN205356106U (en) | 2016-06-29 |
Family
ID=56178781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620108751.XU Expired - Fee Related CN205356106U (en) | 2016-02-03 | 2016-02-03 | Brushless in -wheel motor of direct current permanent magnetism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205356106U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105610292A (en) * | 2016-02-03 | 2016-05-25 | 陈小忠 | DC permanent magnet brushless in-wheel motor |
| CN108768018A (en) * | 2018-05-31 | 2018-11-06 | 智飞智能装备科技东台有限公司 | A kind of brushless hub electric motor for new-energy automobile |
| CN110336391A (en) * | 2019-07-16 | 2019-10-15 | 刘杰萍 | A kind of full-power electric motor |
-
2016
- 2016-02-03 CN CN201620108751.XU patent/CN205356106U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105610292A (en) * | 2016-02-03 | 2016-05-25 | 陈小忠 | DC permanent magnet brushless in-wheel motor |
| CN105610292B (en) * | 2016-02-03 | 2019-10-08 | 陈小忠 | A kind of permanent-magnetic brush-less DC hub motor |
| CN108768018A (en) * | 2018-05-31 | 2018-11-06 | 智飞智能装备科技东台有限公司 | A kind of brushless hub electric motor for new-energy automobile |
| CN110336391A (en) * | 2019-07-16 | 2019-10-15 | 刘杰萍 | A kind of full-power electric motor |
| CN110336391B (en) * | 2019-07-16 | 2024-10-08 | 刘杰萍 | Full-power motor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205356106U (en) | Brushless in -wheel motor of direct current permanent magnetism | |
| CN102416996B (en) | Electric bicycle with electric generator | |
| CN107327483A (en) | A kind of vehicle-mounted flying wheel battery double sphere hybrid magnetic bearings of alternating current-direct current five degree of freedom | |
| CN205647154U (en) | Generator for hydroelectric power generation | |
| CN101920759A (en) | Pure self-generating environment-friendly electric bicycle without battery | |
| CN102035324A (en) | Double-stator permanent magnet generator | |
| CN110071598A (en) | A kind of vehicle-mounted flying wheel battery of anti-radial gyroscopic effect | |
| CN205051549U (en) | Motor for electric motor car | |
| CN204871391U (en) | Electrodynamic balance car and motor element thereof | |
| CN201928170U (en) | Double-stator permanent magnet generator | |
| CN110112860A (en) | Five degree of freedom unilateral side suspension bearing formula dribbling flywheel integrated vehicle energy storage device | |
| CN208797856U (en) | A kind of embedded magnetic suspension hub motor of salient pole | |
| CN105610292A (en) | DC permanent magnet brushless in-wheel motor | |
| CN106972719A (en) | A kind of high-power density permanent magnetic double external rotor air compressor motor device | |
| CN202405978U (en) | Efficient permanent magnet direct-current brushless in-wheel motor for pure electric automobile | |
| CN104393728A (en) | Double-stator motor | |
| CN205365956U (en) | Self -generating electric bicycle | |
| CN208746182U (en) | A kind of New-type electric machine formula wheel | |
| CN105576886B (en) | Increase square energy storage AC/DC motor and generator | |
| CN204821656U (en) | Turnover vehicle for motor stator module for electric motor car | |
| CN206341105U (en) | A kind of high-speed electric expreess locomotive | |
| CN206673765U (en) | Hub-type motor | |
| CN205220210U (en) | Battery -operated motor cycle front wheel with generating function | |
| CN210201681U (en) | Multipurpose three-phase AC permanent magnet outer rotor low-speed synchronous motor | |
| CN205039676U (en) | Stator module of motor for electric motor car |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160629 Termination date: 20210203 |