CN109274235A - Double output shaft permanent magnet synchronous motor with high-power density - Google Patents
Double output shaft permanent magnet synchronous motor with high-power density Download PDFInfo
- Publication number
- CN109274235A CN109274235A CN201811403038.8A CN201811403038A CN109274235A CN 109274235 A CN109274235 A CN 109274235A CN 201811403038 A CN201811403038 A CN 201811403038A CN 109274235 A CN109274235 A CN 109274235A
- Authority
- CN
- China
- Prior art keywords
- motor
- encoder
- steel sheet
- casing
- connecting screw
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000001360 synchronised effect Effects 0.000 title claims abstract description 9
- 229910000976 Electrical steel Inorganic materials 0.000 claims abstract description 32
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 21
- 238000004804 winding Methods 0.000 claims abstract description 11
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 8
- 239000010959 steel Substances 0.000 claims abstract description 8
- 239000003921 oil Substances 0.000 claims abstract description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052802 copper Inorganic materials 0.000 claims abstract description 4
- 239000010949 copper Substances 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 239000012535 impurity Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 238000007493 shaping process Methods 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000007373 indentation Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/02—Details
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
Abstract
A kind of double output shaft permanent magnet synchronous motor with high-power density, belongs to motor device technical field.Electric machine structure include: casing, public rear flange, motor shaft, motor stator, electric motor back shaft hold, encoder shell, hollow encoder, outside framework oil seal, planetary reducer, speed reducer connecting screw, casing connecting screw, power outlet, encoder socket, socket connecting screw.Wherein motor stator is made of orientation tooth silicon steel sheet and non-oriented silicon steel sheet yoke portion.Grain-oriented Si steel sheet tooth is directly wound on motor teeth portion by shaping by the connection of tooth shoulder and unconnected silicon steel sheet staggered, machine winding.Such motor is high compared to conventional motors stator copper factor, and cogging torque is small, and the combination of orientation and non-oriented silicon steel sheet can be such that the leakage field of motor reduces, and then improves the power density of motor.Motor can be applicable to the occasion that front and back end requires torque output, since there is speed reducer at both ends, the advantage is that realizing low speed high torque operation, can replace the higher direct-drive type low speed high torque motor of cost.
Description
Technical field
The invention patent belongs to motor device technical field, same more particularly to a kind of double output shaft high-power density permanent magnetic
Walk motor.
Background technique
It is general to be realized using straight drive three-phase permanent magnet synchronous motor for low speed high torque operating condition.Some equipment are past
To meet torque output due to directly driving three-phase permanent magnet synchronous motor higher cost toward needing twin shaft output to carry out torque output, electricity
Often diameter is very big for arbor, can not cooperate suitable hollow encoder.
Summary of the invention
The purpose of the present invention is to provide a kind of double output shaft permanent magnet synchronous motor with high-power density, and it is past to solve motor shaft
The problems such as past diameter is very big, can not cooperate suitable hollow encoder.Have matched planetary reducer and hollow encoder, motor shaft
Perforation motor is connected with front and back planetary reducer realizes twin shaft output low speed high torque operation.
The present invention includes: that casing 1, public rear flange 2, motor shaft 3, motor stator 4, electric motor back shaft hold 5, motor front axle and hold
6, encoder shell 7, hollow encoder 8, outside framework oil seal 9, planetary reducer 10, speed reducer connecting screw 11, casing connecting screw
12, power outlet 13, encoder socket 14, socket connecting screw 15.Wherein motor uses hollow encoder 8, and casing 1 is equipped with only
Mouthful and installation screw hole, encoder shell 7 equipped with seam allowance and installation screw hole, motor shaft 3 through entire motor and with front and back planet
Speed reducer 10 is connected.Realize low speed high torque operation.Motor stator 4 is by orientation tooth silicon steel sheet 16 and non-oriented silicon steel sheet yoke portion
18 compositions, winding 17 are nested in motor teeth portion composition motor stator.The copper factor of increased motor while facilitating offline, orientation
The combination in tooth silicon steel sheet (16) and non-oriented silicon steel sheet yoke (18) portion effectively reduces iron loss and magnetic leakage factor, and then improves motor
Power density.Grain-oriented Si steel sheet tooth finally forms motor stator by notch connection and unconnected silicon steel sheet staggered.
Casing 1 is equipped with seam allowance and installation screw hole, and encoder shell 7 is equipped with seam allowance and installation screw hole, and motor shaft 3 is by motor
Rear bearing 5 and motor front axle are held 6 and are supported, and are connect with front and back planetary reducer 10 by speed reducer by hollow encoder 8
Screw 11 is connected.Public rear flange 2 has through-hole and threaded hole, the through-hole and volume that casing connecting screw 12 passes through public rear flange
Code device shell 7 connects, and threaded hole is then attached with casing 1 by casing connecting screw 12, three formation integral structures.Skeleton oil
Envelope 9 is installed on encoder shell 7, prevents impurity from entering encoder shell 7.Power outlet 13 passes through socket connecting screw 15 and casing
1 is connected, and encoder socket 14 is connect by socket connecting screw 15 with encoder shell 7.Wherein motor stator 4 is orientated tooth silicon steel
Piece 16 and non-oriented silicon steel sheet yoke portion 18 form, and winding 17 is nested in motor teeth portion composition motor stator.While facilitating offline
The copper factor of increased motor, orientation tooth silicon steel sheet 16 and non-oriented silicon steel sheet yoke 18 combinations can effectively reduce iron loss
And magnetic leakage factor, and then improve the power density of motor.
To improve power of motor density, motor stator is made of orientation tooth silicon steel sheet and non-oriented silicon steel sheet yoke portion, winding
It is nested in motor teeth portion composition motor stator.Grain-oriented Si steel sheet tooth is by notch connection and unconnected silicon steel sheet staggered, most
Composition motor stator eventually.
Detailed description of the invention
Fig. 1 is double output shaft low speed high torque permanent magnet synchronous motor with high-power density structure chart.
Fig. 2 is double output shaft low speed high torque permanent magnet synchronous motor with high-power density sectional view.
Fig. 3 is to have grain-oriented Si steel sheet teeth portion structure X-Y scheme.
Fig. 4 is to be inserted in winding to have grain-oriented Si steel sheet teeth portion structure X-Y scheme
Fig. 5 is to have grain-oriented Si steel sheet teeth portion structure three-dimensional figure.
Fig. 6 is non-oriented silicon steel sheet yoke portion structure three-dimensional figure.
Fig. 7 is non-oriented silicon steel sheet yoke portion structure X-Y scheme.
Fig. 8 is winding X-Y scheme.
In figure, casing 1, public rear flange 2, motor shaft 3, motor stator 4, electric motor back shaft hold 5, motor front axle and hold 6, coding
Device shell 7, hollow encoder 8, outside framework oil seal 9, planetary reducer 10, speed reducer connecting screw 11, casing connecting screw 12, power supply
Socket 13, encoder socket 14, socket connecting screw 15, orientation tooth silicon steel sheet 16, winding 17, non-oriented silicon steel sheet yoke portion 18.
Specific embodiment
The present invention includes: that casing 1, public rear flange 2, motor shaft 3, motor stator 4, electric motor back shaft hold 5, motor front axle and hold
6, encoder shell 7, hollow encoder 8, outside framework oil seal 9, planetary reducer 10, speed reducer connecting screw 11, casing connecting screw
12, power outlet 13, encoder socket 14, socket connecting screw 15.Wherein motor uses hollow encoder 8, and casing 1 is equipped with only
Mouthful and installation screw hole, encoder shell 7 equipped with seam allowance and installation screw hole, motor shaft 3 through entire motor and with front and back planet
Speed reducer 10 is connected.Realize low speed high torque operation.Motor stator 4 is by orientation tooth silicon steel sheet 16 and non-oriented silicon steel sheet yoke portion
18 compositions, winding 17 are nested in motor teeth portion composition motor stator.Grain-oriented Si steel sheet tooth is by notch connection and unconnected silicon steel
Piece staggered, finally forms motor stator.
Motor stator 4 is orientated tooth silicon steel sheet 16 and non-oriented silicon steel sheet yoke portion 18 forms, and winding 17 is nested in motor teeth portion,
By the indentation of non-oriented silicon steel sheet yoke portion 18 with the orientation tooth silicon steel sheet 16 of winding 17, motor stator 4 is formed.4 sets of motor stator
Enter into casing 1, public rear flange 2 has through-hole and threaded hole, and casing screw 12 passes through the through-hole and encoder of public rear flange
Shell 7 connects, and threaded hole is then attached with casing 1 by casing screw 12, three formation integral structures.Front and back planetary reducer
10 are connected with motor shaft 3, and planetary reducer 10 is connected reality by speed reducer connecting screw 11 with casing 1 and encoder shell 7
Existing double end low speed high torque output.
Claims (1)
1. a kind of double output shaft permanent magnet synchronous motor with high-power density, which is characterized in that including casing, public rear flange, motor
Axis, motor stator, electric motor back shaft are held, motor front axle is held, encoder shell, hollow encoder, outside framework oil seal, planetary reducer, are subtracted
Fast machine connecting screw, casing connecting screw, power outlet, encoder socket, socket connecting screw；Motor uses hollow encoder
(8), casing (1) runs through equipped with seam allowance and installation screw hole, encoder shell (7) equipped with seam allowance and installation screw hole, motor shaft (3)
Entire motor is simultaneously connected with front and back planetary reducer (10), realizes low speed high torque operation；Motor stator (4) is by orientation tooth silicon
Steel disc (16) and non-oriented silicon steel sheet yoke portion (18) form, and winding (17) is nested in motor teeth portion composition motor stator；Under convenient
The copper factor of increased motor while line, is orientated tooth silicon steel sheet (16) and the combination in non-oriented silicon steel sheet yoke (18) portion is effective
Iron loss and magnetic leakage factor are reduced, and then improves the power density of motor；Grain-oriented Si steel sheet tooth is by notch connection and unconnected silicon
Steel disc staggered, finally forms motor stator；
Casing (1) is equipped with seam allowance and installation screw hole, and encoder shell (7) is equipped with seam allowance and installation screw hole, and motor shaft (3) is by electricity
Machine rear bearing (5) and motor front axle hold (6) support, pass through deceleration by hollow encoder (8) and front and back planetary reducer (10)
Machine connecting screw (11) is connected；Public rear flange (2) has through-hole and threaded hole, and casing connecting screw (12) passes through public rear method
Blue through-hole is connect with encoder shell (7), and threaded hole is then attached with casing (1) by casing connecting screw (12), and three
Form integral structure；Outside framework oil seal (9) is installed on encoder shell (7), prevents impurity from entering encoder shell (7)；Power outlet
(13) be connected with casing (1) by socket connecting screw (15), encoder socket (14) by socket connecting screw (15) and
Encoder shell (7) connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811403038.8A CN109274235A (en) | 2018-11-23 | 2018-11-23 | Double output shaft permanent magnet synchronous motor with high-power density |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811403038.8A CN109274235A (en) | 2018-11-23 | 2018-11-23 | Double output shaft permanent magnet synchronous motor with high-power density |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109274235A true CN109274235A (en) | 2019-01-25 |
Family
ID=65191299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811403038.8A Pending CN109274235A (en) | 2018-11-23 | 2018-11-23 | Double output shaft permanent magnet synchronous motor with high-power density |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109274235A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005348522A (en) * | 2004-06-03 | 2005-12-15 | Hitachi Ltd | Motor for electric power steering and its manufacturing method |
| JP2007151232A (en) * | 2005-11-24 | 2007-06-14 | Toshiba Corp | Permanent magnet motor and electric power steering apparatus using the same |
| CN201616739U (en) * | 2010-01-15 | 2010-10-27 | 杭州通灵自动化股份有限公司 | Double shaft-extension permanent magnet synchronous servomotor |
| JP2011244671A (en) * | 2010-05-21 | 2011-12-01 | Ihi Corp | Split stator |
| CN103280903A (en) * | 2013-05-17 | 2013-09-04 | 曹宇轩 | Structure of motor stator core and cooling method for motor stator based on structure of motor stator core |
| CN203352307U (en) * | 2013-05-17 | 2013-12-18 | 曹宇轩 | Structure of motor stator core and cooling device of motor stator |
| CN207603374U (en) * | 2017-12-08 | 2018-07-10 | 日照东方电机有限公司 | High pressure turns low pressure low-speed big drive assembly |
| CN209150967U (en) * | 2018-11-23 | 2019-07-23 | 冶金自动化研究设计院 | Double output shaft permanent magnet synchronous motor with high-power density |
-
2018
- 2018-11-23 CN CN201811403038.8A patent/CN109274235A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005348522A (en) * | 2004-06-03 | 2005-12-15 | Hitachi Ltd | Motor for electric power steering and its manufacturing method |
| JP2007151232A (en) * | 2005-11-24 | 2007-06-14 | Toshiba Corp | Permanent magnet motor and electric power steering apparatus using the same |
| CN201616739U (en) * | 2010-01-15 | 2010-10-27 | 杭州通灵自动化股份有限公司 | Double shaft-extension permanent magnet synchronous servomotor |
| JP2011244671A (en) * | 2010-05-21 | 2011-12-01 | Ihi Corp | Split stator |
| CN103280903A (en) * | 2013-05-17 | 2013-09-04 | 曹宇轩 | Structure of motor stator core and cooling method for motor stator based on structure of motor stator core |
| CN203352307U (en) * | 2013-05-17 | 2013-12-18 | 曹宇轩 | Structure of motor stator core and cooling device of motor stator |
| CN207603374U (en) * | 2017-12-08 | 2018-07-10 | 日照东方电机有限公司 | High pressure turns low pressure low-speed big drive assembly |
| CN209150967U (en) * | 2018-11-23 | 2019-07-23 | 冶金自动化研究设计院 | Double output shaft permanent magnet synchronous motor with high-power density |
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