CN108183580A - A kind of permanent magnet synchronous motor of built-in spur-gear differential - Google Patents
A kind of permanent magnet synchronous motor of built-in spur-gear differential Download PDFInfo
- Publication number
- CN108183580A CN108183580A CN201810126907.0A CN201810126907A CN108183580A CN 108183580 A CN108183580 A CN 108183580A CN 201810126907 A CN201810126907 A CN 201810126907A CN 108183580 A CN108183580 A CN 108183580A
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- China
- Prior art keywords
- rotor
- output shaft
- spur
- permanent magnet
- gear differential
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- 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.)
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- 230000001360 synchronised effect Effects 0.000 title claims abstract description 20
- 241000239290 Araneae Species 0.000 claims description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 230000001737 promoting effect Effects 0.000 abstract description 2
- 230000005611 electricity Effects 0.000 description 4
- 230000005284 excitation Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H48/00—Differential gearings
- F16H48/06—Differential gearings with gears having orbital motion
- F16H48/10—Differential gearings with gears having orbital motion with orbital spur gears
- F16H48/11—Differential gearings with gears having orbital motion with orbital spur gears having intermeshing planet gears
-
- 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
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
-
- 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)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention discloses a kind of permanent magnet synchronous motors of built-in spur-gear differential, including motor housing and spur-gear differential, the motor housing is internally provided with motor stator, the spur-gear differential is arranged on the inside of motor stator, the spur-gear differential includes the first rotor, second rotor, planet pair, first output shaft and the second output shaft, first rotor and the second rotor are linearly arranged in motor stator, and first one end of rotor connected with one end of the second rotor, first output shaft and the second output shaft are linearly arranged on the inside of the first rotor and the second rotor；Spur-gear differential is built in the structure design among the rotor of permanent magnet synchronous motor by the present invention, reduce the volume of electric vehicle transmission link, improve power density, differential mechanism is in the speed end of retarder simultaneously, stress is smaller, with good economic efficiency and social benefit, suitable for promoting the use of.
Description
Technical field：
The present invention relates to motor field, more particularly to a kind of permanent magnet synchronous motor of built-in spur-gear differential.
Background technology：
Permanent magnet synchronous motor is the synchronous motor that synchronous rotary magnetic field is generated by permanent magnet excitation, and permanent magnet generates rotation as rotor
Turn magnetic field, threephase stator winding, by armature-reaction, senses three-phase symmetrical electric current, at this time rotor kinetic energy under rotating excitation field effect
Electric energy is converted into, permanent magnet synchronous motor is used as generator；In addition, when stator side is passed through three-phase symmetrical electric current, due to threephase stator
120 are differed on spatial position, so threephase stator electric current generates rotating excitation field in space, by electricity in rotor rotating excitation field
Magneticaction moves, and electric energy is converted into kinetic energy at this time, and permanent magnet synchronous motor is used as motor.
Traditional electric vehicle uses the scheme of motor-retarder-bevel differential, motor and difference more in the prior art
Not on the same axis, it is larger to occupy volume for fast device, and differential mechanism, at the low speed end of retarder, stress is larger, it is necessary to larger
Gear could provide it is enough strong.
Invention content：
The purpose of the present invention is that solve the above-mentioned problems and provides a kind of permanent-magnet synchronous of built-in spur-gear differential
Motor solves motor and differential mechanism not on the same axis, and it is larger to occupy volume, and differential mechanism is at the low speed end of retarder,
The problem of stress is larger.
To solve the above-mentioned problems, the present invention provides a kind of technical solutions：
A kind of permanent magnet synchronous motor of built-in spur-gear differential, including motor housing and spur-gear differential, the electricity
Machine enclosure is equipped with motor stator, and the spur-gear differential is arranged on the inside of motor stator, the roller gear differential
Device includes the first rotor, the second rotor, planet to, the first output shaft and the second output shaft, and first motor turns
Son and the second rotor are linearly arranged in motor stator, and the one of one end of the first rotor and the second rotor
End connection, first output shaft and the second output shaft are linearly arranged on the interior of the first rotor and the second rotor
Portion, one end that the second output shaft is located on first output shaft are equipped with the first driven wheel, and the first output shaft and first driven
Wheel is an integral structure, and the second driven wheel, and the second output are equipped with positioned at one end of the first output shaft on second output shaft
Axis is an integral structure with the second driven wheel, and the planet is to being set as multiple, and multiple planets are arranged on to forming a circle
The inside of one rotor and the second rotor, the planet pair are intermeshed with the first driven wheel and the second driven wheel.
As a preferred technical solution of the present invention, the motor housing includes cylindrical housings and end cap, the circle
Cylindrical shell inner wall is equipped with water jacket, and water jacket is between cylindrical housings and motor stator, the cylindrical housings and water jacket
It is directly fixed with the mode of interference fit, the end cap is set as two, and two end caps are arranged on cylindrical housings
On both ends, the end cap is equipped with the first screw, and the end cap is connect by the first screw with cylindrical housings, and described first
The other end of output shaft and the second output shaft extends through the outside for being arranged on two end caps, and the first output is located on the end cap
The position of axis and the second output shaft is equipped with bearing.
As a preferred technical solution of the present invention, the outside of first rotor and the second rotor is equipped with
Permanent magnet, and permanent magnet is fixed on the outside of the first rotor and the second rotor by way of bonding.
As a preferred technical solution of the present invention, the planet is to including the first differential spider wheel and the second differential
Device planetary gear, and the first differential spider wheel and the second differential spider wheel are intermeshed, the first differential spider wheel and
Second differential spider wheel is intermeshed respectively with the first driven wheel and the second driven wheel.
As a preferred technical solution of the present invention, the planet is to being located at the first rotor and the second rotor
Both ends be equipped with the first axle sleeve.
As a preferred technical solution of the present invention, second rotor is equipped with the second screw, and described the
Two rotors are connect by the second screw with the first rotor.
It is driven to be located at first as a preferred technical solution of the present invention, on first output shaft and the second output shaft
The second axle sleeve is equipped on the outside of one end of wheel and the second driven wheel.
Beneficial effects of the present invention：
The present invention has reasonable in design, structure spur-gear differential being built among the rotor of permanent magnet synchronous motor
Design reduces the volume of electric vehicle transmission link, improves power density, while differential mechanism is in the speed end of retarder,
Stress is smaller, with good economic efficiency and social benefit, suitable for promoting the use of.
Description of the drawings：
For ease of explanation, the present invention is described in detail by following specific implementations and attached drawing.
Fig. 1 is the sectional view of the present invention；
Fig. 2 is the front view of spur-gear differential of the present invention；
Fig. 3 is the sectional view of spur-gear differential of the present invention.
In figure：1- motor housings, 2- spur-gear differentials, 3- motor stators, the first rotors of 4-, the second motors of 5-
Rotor, 6- planets pair, the first output shafts of 7-, the second output shafts of 8-, the first driven wheels of 9-, the second driven wheels of 10-, 11- are cylindrical
Housing, 12- end caps, 13- water jackets, the first screws of 14-, 15- bearings, 16- permanent magnets, 17- the first differential spider wheels, 18-
Two differential spider wheels, the first axle sleeves of 19-, the second screws of 20-, the second axle sleeves of 21-.
Specific embodiment：
As shown in Figs. 1-3, present embodiment uses following technical scheme：A kind of permanent magnetism of built-in spur-gear differential is same
Motor is walked, including motor housing 1 and spur-gear differential 2, the motor housing 1 is internally provided with motor stator 3, the cylinder
Gear differential mechanism 2 is arranged on 3 inside of motor stator, and the spur-gear differential 2 includes the first rotor 4, the second motor
Rotor 5, planet are to the 6, first output shaft 7 and the second output shaft 8, and 4 and second rotor 5 of the first rotor is linearly
It is arranged in motor stator 3, and one end of the first rotor 4 is connected with one end of the second rotor 5, first output
7 and second output shaft 8 of axis is linearly arranged on the inside of the first rotor 4 and the second rotor 5, first output shaft
The first driven wheel 9 is equipped with positioned at one end of the second output shaft 8 on 7, and the first output shaft 7 and the first driven wheel 9 are integral type knot
Structure, one end that the first output shaft 7 is located on second output shaft 8 are equipped with the second driven wheel 10, and the second output shaft 8 and second
Driven wheel 10 is an integral structure, and the planet is set as multiple to 6, and multiple planets form a circle to 6 and are arranged on the first electricity
The inside of 4 and second rotor 5 of machine rotor, the planet are intermeshed 6 and the first driven wheel 9 and the second driven wheel 10.
Further, the motor housing 1 includes cylindrical housings 11 and end cap 12, and 11 inner wall of cylindrical housings is set
There is water jacket 13, and water jacket 13, between cylindrical housings 11 and motor stator 3, the cylindrical housings 11 and water jacket 13 are direct
It is fixed with the mode of interference fit, the end cap 12 is set as two, and two end caps 12 are arranged on cylindrical housings 11
Both ends on, the end cap 12 is equipped with the first screw 14, and the end cap 12 passes through the first screw 14 and cylindrical housings 11
Connection, the other end of 7 and second output shaft 8 of the first output shaft extends through the outside for being arranged on two end caps 12, described
The position for being located at the first output shaft 7 and the second output shaft 8 on end cap 12 is equipped with bearing 15.
Further, the outside of 4 and second rotor 5 of the first rotor is equipped with permanent magnet 16, and permanent magnet
16 are fixed on the outside of the first rotor 14 and the second rotor 15 by way of bonding.
Further, the planet includes the first differential spider wheel 17 and the second differential spider wheel 18, and first to 6
Differential spider wheel 17 is intermeshed with the second differential spider wheel 18, the first differential spider wheel 17 and the second differential mechanism
Planetary gear 18 is intermeshed respectively with the first driven wheel 9 and the second driven wheel 10.
Further, the planet is located at the first rotor 4 to 6 and the both ends of the second rotor 5 are equipped with first
Axle sleeve 19.
Further, second rotor 5 is equipped with the second screw 20, and second rotor 5 passes through the
Two screws 20 are connect with the first rotor 4.
Further, the first driven wheel 9 and the second driven wheel 10 are located on 7 and second output shaft 8 of the first output shaft
One end on the outside of be equipped with the second axle sleeve 21.
Specifically, the present apparatus in use, be first installed in electric vehicle, and make the first output shaft 7 and second by the present invention
Two wheels of output shaft 8 and electric vehicle or so connect or respectively by connecting after two retarders at both ends with the wheel of left and right two
Connect, finally the energization present apparatus can normal use, during use, the first rotor 4 and the second rotor 5 are in electricity
Machine keeps autorotation after being powered, the first differential spider wheel 17 and the second differential spider wheel 18 is driven to revolve round the sun, and then
The first driven wheel 9 and the second driven wheel 10 is driven, which to carry out circular motion, becomes power source, when cornering and the first differential mechanism row
17 and second differential spider wheel 18 of star-wheel carries out rotation while revolution so that with the first driven wheel 9 and the second driven wheel
First output shaft 7 of 10 connections is different with the output speed of the second output shaft 8.
The basic principles, main features and the advantages of the invention, the technology of the industry has been shown and described above
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention, the claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (7)
1. a kind of permanent magnet synchronous motor of built-in spur-gear differential, including motor housing（1）And spur-gear differential
（2）, it is characterised in that：The motor housing（1）It is internally provided with motor stator（3）, the spur-gear differential（2）It is arranged on
Motor stator（3）Inside, the spur-gear differential（2）Including the first rotor（4）, the second rotor（5）, planet
It is right（6）, the first output shaft（7）With the second output shaft（8）, first rotor（4）With the second rotor（5）Linearly
It is arranged on motor stator（3）It is interior, and the first rotor（4）One end and the second rotor（5）One end connection, described the
One output shaft（7）With the second output shaft（8）Linearly it is arranged on the first rotor（4）With the second rotor（5）Inside,
First output shaft（7）It is upper to be located at the second output shaft（8）One end be equipped with the first driven wheel（9）, and the first output shaft（7）With
First driven wheel（9）It is an integral structure, second output shaft（8）It is upper to be located at the first output shaft（7）One end be equipped with second
Driven wheel（10）, and the second output shaft（8）With the second driven wheel（10）It is an integral structure, the planet pair（6）It is set as more
It is a, and multiple planets pair（6）It forms a circle and is arranged on the first rotor（4）With the second rotor（5）Inside, the row
Star pair（6）With the first driven wheel（9）With the second driven wheel（10）Intermeshing.
2. a kind of permanent magnet synchronous motor of built-in spur-gear differential according to claim 1, it is characterised in that：It is described
Motor housing（1）Including cylindrical housings（11）And end cap（12）, the cylindrical housings（11）Inner wall is equipped with water jacket（13）, and
Water jacket（13）Positioned at cylindrical housings（11）With motor stator（3）Between, the cylindrical housings（11）And water jacket（13）Directly
It is fixed with the mode of interference fit, the end cap（12）It is set as two, and two end caps（12）It is arranged on circular cylindrical shell
Body（11）Both ends on, the end cap（12）It is equipped with the first screw（14）, and the end cap（12）Pass through the first screw（14）
With cylindrical housings（11）Connection, first output shaft（7）With the second output shaft（8）The other end extend through and be arranged on two
A end cap（12）Outside, the end cap（12）It is upper to be located at the first output shaft（7）With the second output shaft（8）Position be equipped with bearing
（15）.
3. a kind of permanent magnet synchronous motor of built-in spur-gear differential according to claim 1, it is characterised in that：It is described
First rotor（4）With the second rotor（5）Outside be equipped with permanent magnet（16）, and permanent magnet（16）Pass through the side of bonding
Formula is fixed on the first rotor（14）With the second rotor（15）Outside.
4. a kind of permanent magnet synchronous motor of built-in spur-gear differential according to claim 1, it is characterised in that：It is described
Planet pair（6）Including the first differential spider wheel（17）With the second differential spider wheel（18）, and the first differential spider wheel
（17）With the second differential spider wheel（18）Intermeshing, the first differential spider wheel（17）With the second differential spider wheel
（18）Respectively with the first driven wheel（9）With the second driven wheel（10）Intermeshing.
5. a kind of permanent magnet synchronous motor of built-in spur-gear differential according to claim 1, it is characterised in that：It is described
Planet pair（6）Positioned at the first rotor（4）With the second rotor（5）Both ends be equipped with the first axle sleeve（19）.
6. a kind of permanent magnet synchronous motor of built-in spur-gear differential according to claim 1, it is characterised in that：It is described
Second rotor（5）It is equipped with the second screw（20）, and second rotor（5）Pass through the second screw（20）With first
Rotor（4）Connection.
7. a kind of permanent magnet synchronous motor of built-in spur-gear differential according to claim 1, it is characterised in that：It is described
First output shaft（7）With the second output shaft（8）It is upper to be located at the first driven wheel（9）With the second driven wheel（10）One end on the outside of be equipped with
Second axle sleeve（21）.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810126907.0A CN108183580B (en) | 2018-02-08 | 2018-02-08 | Permanent magnet synchronous motor with built-in cylindrical gear differential mechanism |
| PCT/CN2019/074731 WO2019154402A1 (en) | 2018-02-08 | 2019-02-07 | Transverse coaxial differential-reducer integrated electric bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810126907.0A CN108183580B (en) | 2018-02-08 | 2018-02-08 | Permanent magnet synchronous motor with built-in cylindrical gear differential mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108183580A true CN108183580A (en) | 2018-06-19 |
| CN108183580B CN108183580B (en) | 2020-04-17 |
Family
ID=62552374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810126907.0A Active CN108183580B (en) | 2018-02-08 | 2018-02-08 | Permanent magnet synchronous motor with built-in cylindrical gear differential mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108183580B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019154402A1 (en) * | 2018-02-08 | 2019-08-15 | 西安六环传动新能源科技有限公司 | Transverse coaxial differential-reducer integrated electric bridge |
| CN111193353A (en) * | 2020-04-10 | 2020-05-22 | 领航产业技术研究院(山东)有限公司 | A dual-axis motor with built-in control mechanism |
| CN112928859A (en) * | 2021-01-21 | 2021-06-08 | 清研众智测试技术（天津）有限公司 | Differential function rotor and driving motor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5637048A (en) * | 1994-04-27 | 1997-06-10 | Aisin Seiki Kabushiki Kaisha | Power train device |
| CN2770210Y (en) * | 2005-03-11 | 2006-04-05 | 王瑷国 | Motor differential speed rotor |
| CN101267145A (en) * | 2008-04-30 | 2008-09-17 | 上海中上汽车科技有限公司 | Speed differentiator electrode |
| CN101707412A (en) * | 2009-11-13 | 2010-05-12 | 北京科技大学 | Driving motor with function of differential speed output |
| CN103887917A (en) * | 2012-12-19 | 2014-06-25 | 耀马车业(中国)有限公司 | Brushless motor provided with built-in differential mechanism |
| CN105186770A (en) * | 2015-08-01 | 2015-12-23 | 谷伟 | Differential dual-output motor |
| CN105822746A (en) * | 2016-05-14 | 2016-08-03 | 袁廷华 | Double-planet-gear differential speed reducer |
-
2018
- 2018-02-08 CN CN201810126907.0A patent/CN108183580B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5637048A (en) * | 1994-04-27 | 1997-06-10 | Aisin Seiki Kabushiki Kaisha | Power train device |
| CN2770210Y (en) * | 2005-03-11 | 2006-04-05 | 王瑷国 | Motor differential speed rotor |
| CN101267145A (en) * | 2008-04-30 | 2008-09-17 | 上海中上汽车科技有限公司 | Speed differentiator electrode |
| CN101707412A (en) * | 2009-11-13 | 2010-05-12 | 北京科技大学 | Driving motor with function of differential speed output |
| CN103887917A (en) * | 2012-12-19 | 2014-06-25 | 耀马车业(中国)有限公司 | Brushless motor provided with built-in differential mechanism |
| CN105186770A (en) * | 2015-08-01 | 2015-12-23 | 谷伟 | Differential dual-output motor |
| CN105822746A (en) * | 2016-05-14 | 2016-08-03 | 袁廷华 | Double-planet-gear differential speed reducer |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019154402A1 (en) * | 2018-02-08 | 2019-08-15 | 西安六环传动新能源科技有限公司 | Transverse coaxial differential-reducer integrated electric bridge |
| CN111193353A (en) * | 2020-04-10 | 2020-05-22 | 领航产业技术研究院(山东)有限公司 | A dual-axis motor with built-in control mechanism |
| CN111193353B (en) * | 2020-04-10 | 2020-09-04 | 怡高微型马达(龙南)有限公司 | Double-shaft motor with built-in regulating mechanism |
| CN112928859A (en) * | 2021-01-21 | 2021-06-08 | 清研众智测试技术（天津）有限公司 | Differential function rotor and driving motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108183580B (en) | 2020-04-17 |
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Effective date of registration: 20230215 Address after: 721006 75 Qing Jiang Road, Weibin District, Shaanxi, Baoji Patentee after: Shaanxi Liuhuan Intelligent Equipment Technology Co.,Ltd. Address before: 712000 room 703, 7 / F, building 14, West Yungu, Fengxi new town, Xixian New District, Xi'an City, Shaanxi Province Patentee before: XI'AN SIX RING DRIVE NEW ENERGY TECHNOLOGY Co.,Ltd. |