CN206149039U - Synchronous servo motor of three -phase permanent magnetism - Google Patents
Synchronous servo motor of three -phase permanent magnetism Download PDFInfo
- Publication number
- CN206149039U CN206149039U CN201621272513.9U CN201621272513U CN206149039U CN 206149039 U CN206149039 U CN 206149039U CN 201621272513 U CN201621272513 U CN 201621272513U CN 206149039 U CN206149039 U CN 206149039U
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- China
- Prior art keywords
- rotor
- stator
- casing
- core
- permanent magnet
- 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
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- 230000001360 synchronised effect Effects 0.000 title claims abstract description 16
- 230000005389 magnetism Effects 0.000 title abstract description 3
- 238000004804 winding Methods 0.000 claims abstract description 21
- 229910000976 Electrical steel Inorganic materials 0.000 claims abstract description 7
- 230000017525 heat dissipation Effects 0.000 claims description 19
- 238000009434 installation Methods 0.000 claims description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims 1
- 230000005855 radiation Effects 0.000 abstract 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 6
- 229910052802 copper Inorganic materials 0.000 description 6
- 239000010949 copper Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 230000004907 flux Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000004323 axial length Effects 0.000 description 3
- 230000005284 excitation Effects 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005457 optimization Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 238000002910 structure generation Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 238000007514 turning Methods 0.000 description 1
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- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The utility model discloses a synchronous servo motor of three -phase permanent magnetism, including casing and end cover, be equipped with stator structure on the inner wall of casing, the inside of casing is equipped with rotor structure, be formed with the air gap between stator structure and the rotor structure, the middle part of casing is equipped with the motor shaft, motor shaft and rotor structure phase -match, stator structure includes stator core and stator winding, stator core fixed mounting is on the inner wall of casing, the last stator slot that is equipped with of stator core, stator slot and stator winding phase -match, rotor structure includes rotor core and permanent magnet, rotor core is built up by the silicon steel sheet, the last permanent magnet groove that is equipped with of rotor core, permanent magnet and permanent magnet groove phase -match, rotor core's middle part is equipped with the rotor shaft hole, rotor shaft hole and motor shaft phase -match, rotor core's both sides are equipped with heat radiation structure. Electromechanical integrated design is carried out to this motor structure, and is novel in design reasonable, and such motor compact structure, operation is stable, small, light in weight, power factor height, efficient.
Description
Technical field
The utility model is related to a kind of three-phase permanent synchronous servo motor.
Background technology
At present country's permanent-magnet servo motor is also fine from performance in terms of a certain aspect of performance, but in terms of comprehensive, the property of whole machine
Can be just relatively poor.And for small-sized permanent-magnet servo motor, efficiency reaches 90%, the very high also relative difficulty of combination property.
The torque ripple characteristic of domestic minitype permanent magnetism servomotor is to be improved, and vibration noise is larger, and reliability is poor, essence
Degree requirement needs to improve, and combination property needs further raising.
Because industrial robot requires higher craft precision, working (machining) efficiency and functional reliability with servomotor,
Require that the torque ripple of permanent-magnet servo motor is little, to reach the requirement of precision and reliability.In consideration of it, needing optimization design
High power density low noise Novel industrial robot permanent magnetic servo-motor, with improve existing permanent-magnet servo motor precision and
Reliability.
Utility model content
The purpose of this utility model is to provide a kind of three-phase permanent synchronous servo motor, and the electric machine structure carries out electromechanical one
Bodyization is designed, it is novel in design rationally, such electric machine structure is compact, stable, small volume, lightweight, power factor are high, effect
Rate is high.The utility model application will greatly improve the combination property of domestic industry robot permanent-magnet servo motor.Motor turn
Square wave characteristic has larger improvement, and vibration noise is effectively reduced, and reliability is improved, and the overall performance of motor is obtained
Significantly improve, while the efficiency of motor has also obtained further raising.
In order to solve above-mentioned technical problem, adopt the following technical scheme that：
A kind of three-phase permanent synchronous servo motor, including casing and end cap, end cap includes left end cap and right end cap, left end cap
Positioned at the left side of casing, right end cap is located at the right side of casing, and the inwall of casing is provided with stator structure, and the inside of casing is provided with and turns
Minor structure, is formed with air gap between stator structure and rotor structure, motor shaft, motor shaft and rotor structure are provided with the middle part of casing
Match, stator structure includes stator core and stator winding, stator core is fixedly installed on the inwall of casing, stator core
Stator slot is provided with, stator slot matches with stator winding, rotor structure includes rotor core and permanent magnet, and rotor core is by silicon
Steel disc builds up, and rotor core is provided with permanent magnet trough, and permanent magnet matches with permanent magnet trough, and rotor is provided with the middle part of rotor core
Axis hole, rotor shaft hatch matches with motor shaft, and the both sides of rotor core are provided with radiator structure.The stator structure of the motor is directly pacified
It is mounted on the inwall of casing, stator slot is uniformly arranged on the inner periphery of stator core, stator winding is arranged by the pole of 3 phase 4, adopts
Individual layer chain type winding, is powered and produces 4 pole rotating excitation fields, and such mounting arrangement not only reduces the axial length of motor, makes electricity
Machine compact conformation, winding copper consumption reduces close 10%, and using epoxide-resin glue embedding, is easy to the heat for producing copper loss
It is transmitted on end cap and casing, accelerates the radiating of stator winding.The rotor core of rotor structure is by silicon steel sheet stack into due to this
Motor is driven using inverter power supply, even if the frequency converter output for producing sine wave all contains high-frequency harmonic, if using overall steel
Material can produce eddy-current loss.Permanent magnet is embedded in rotor core, and is uniformly arranged on rotor core, simple structure, manufacture
Cost is relatively low, rotary inertia is little and is easy to optimize the pole form for making motor air gap magnetic flux density waveformses tend to sine wave.
Further, radiator structure includes rotor heat dissipation plate, rotor fin and fixed seat, and the side of rotor heat dissipation plate is provided with
Fixed seat, fixed seat connection rotor core, the opposite side of rotor heat dissipation plate is provided with rotor fin, and rotor fin is uniformly arranged
On rotor heat dissipation plate.By arranging radiator structure, when rotor structure is rotated, whole rotor heat dissipation plate is and then transported
It is dynamic, the heat of rotor structure generation is taken away by rotor fin, so as to improve the integral heat sink effect of motor.
Further, rotor heat dissipation plate is provided with louvre.By arranging louvre, the heat for producing rotor structure is timely
It is dispersed into the outside of body.
Further, the two ends of permanent magnet trough are provided with every magnetic air groove, and in magnetic air groove NULL is provided with.To prevent forever
Magnet flow short circuit, is also provided with every magnetic air groove in rotor core, and in magnetic air groove NULL is filled, and plays reduction leakage field
Effect.
Further, it is provided with terminal box at the top of casing.
Further, the bottom of casing is provided with mounting seat.
Further, the two ends of motor shaft are provided with installation bearing.
Due to adopting above-mentioned technical proposal, have the advantages that：
The utility model is a kind of three-phase permanent synchronous servo motor, and the electric machine structure carries out Electromechanical Design, if
Meter is new reasonable, and such electric machine structure is compact, stable, small volume, lightweight, power factor are high, efficiency high.This practicality
New application will greatly improve the combination property of domestic industry robot permanent-magnet servo motor.The torque ripple characteristic of motor has
Larger improvement, vibration noise is effectively reduced, and reliability is improved, and the overall performance of motor has obtained significantly carrying
Height, while the efficiency of motor has also obtained further raising.
Directly on the inwall of casing, stator slot is uniformly arranged the inner circle in stator core to the stator structure of the motor
Zhou Shang, stator winding is arranged by the pole of 3 phase 4, using individual layer chain type winding, is powered and is produced 4 pole rotating excitation fields, such installation cloth
Office, not only reduces the axial length of motor, makes electric machine structure compact, and winding copper consumption reduces close 10%, and adopts ring
Oxygen resin glue embedding, is easy to that the heat that copper loss is produced is transmitted on end cap and casing, accelerates the radiating of stator winding.Rotor
The rotor core of structure is by silicon steel sheet stack into because the motor is driven using inverter power supply, even if producing the frequency conversion of sine wave
Device output all contains high-frequency harmonic, if can produce eddy-current loss with unitary steel material.Permanent magnet is embedded in rotor core, and
Cloth is arranged on rotor core, and simple structure, manufacturing cost are relatively low, rotary inertia is little and being easy to optimization makes motor air gap magnetic close
Waveform tends to the pole form of sine wave.
By arranging radiator structure, when rotor structure is rotated, whole rotor heat dissipation plate is and then moved, by turning
Sub- fin takes away the heat of rotor structure generation, so as to improve the integral heat sink effect of motor.By arranging louvre, make to turn
The heat that minor structure is produced is dispersed in time the outside of body.
To prevent the short circuit of permanent magnet magnetic flux, also it is provided with every magnetic air groove in rotor core, fills every magnetic in magnetic air groove
Material, plays a part of to reduce leakage field.
Description of the drawings
Below in conjunction with the accompanying drawings the utility model is described in further detail：
Fig. 1 is a kind of structural representation of three-phase permanent synchronous servo motor in the utility model；
Fig. 2 is the structural representation of stator core in the utility model；
Fig. 3 is the structural representation of rotor structure in the utility model；
Fig. 4 is the structural representation of rotor core in the utility model；
Fig. 5 is the structural representation of radiator structure in the utility model.
In figure：1- casings；2- left end caps；3- right end caps；4- stator structures；5- rotor structures；6- air gaps；7- motor shafts；
8- stator cores；9- stator winding；10- stator slots；11- rotor cores；12- permanent magnets；13- permanent magnet troughs；14- armature spindles
Hole；15- radiator structures；16- rotor heat dissipation plates；17- rotor fin；18- fixed seats；19- louvres；20- is every magnetic air groove；
21- terminal boxes；22- mounting seats；23- installs bearing.
Specific embodiment
As shown in Figures 1 to 5, a kind of three-phase permanent synchronous servo motor, including casing 1 and end cap, end cap includes left end
Lid 2 and right end cap 3, left end cap 2 is located at the left side of casing 1, and right end cap 3 is located at the right side of casing 1.The middle part of casing 1 is provided with electricity
Arbor 7, the two ends of motor shaft 7 are provided with installation bearing 23, and the top of casing 1 is provided with terminal box 21, and the bottom of casing 1 is provided with installation
Seat 22.
The inwall of casing 1 is provided with stator structure 4, and the inside of casing 1 is provided with rotor structure 5, and stator structure 4 and rotor are tied
Air gap 6 is formed between structure 5, the middle part of casing 1 is provided with motor shaft 7, and motor shaft 7 matches with rotor structure 5, stator structure 4
Including stator core 8 and stator winding 9, stator core 8 is fixedly installed on the inwall of casing 1, and stator core 8 is provided with stator
Groove 10, stator slot 10 matches with stator winding 9.The stator structure 4 of the motor is directly installed on the inwall of casing 1, stator
Groove 10 is uniformly arranged on the inner periphery of stator core 8, and stator winding 9 is arranged by the pole of 3 phase 4, using individual layer chain type winding, is powered
4 pole rotating excitation fields are produced, such mounting arrangement not only reduces the axial length of motor, makes electric machine structure compact, winding is used
Amount of copper reduces close 10%, and using epoxide-resin glue embedding, is easy to for the heat that copper loss is produced to be transmitted to end cap and casing 1
On, accelerate the radiating of stator winding 9.
Rotor structure 5 includes rotor core 11 and permanent magnet 12, and rotor core 11 is by silicon steel sheet stack on rotor core 11
Permanent magnet trough 13 is provided with, permanent magnet 12 matches with permanent magnet trough 13, the middle part of rotor core 11 is provided with rotor shaft hatch 14, rotor
Axis hole 14 matches with motor shaft 7, and the both sides of rotor core 11 are provided with radiator structure 15.The rotor core 11 of rotor structure 5 by
Silicon steel sheet stack is into because the motor is driven using inverter power supply, even if the frequency converter output for producing sine wave all contains high frequency
Harmonic wave, if eddy-current loss can be produced with unitary steel material.Permanent magnet 12 is embedded in rotor core 11, and is uniformly arranged in rotor
On iron core 11, simple structure, manufacturing cost are relatively low, rotary inertia is little and being easy to optimization tends to the magnetic flux density waveformses of motor air gap 6
The pole form of sine wave.
Radiator structure 15 includes rotor heat dissipation plate 16, rotor fin 17 and fixed seat 18, the side of rotor heat dissipation plate 16
Fixed seat 18 is provided with, the connection rotor core 11 of fixed seat 18, the opposite side of rotor heat dissipation plate 16 is provided with rotor fin 17, rotor
Fin 17 is uniformly arranged on rotor heat dissipation plate 16.Rotor heat dissipation plate 16 is provided with louvre 19.By arranging louvre 19,
The heat that rotor structure 5 is produced is set to be dispersed into the outside of body in time.By arranging radiator structure 15, when rotor structure 5 is carried out
During rotary motion, whole rotor heat dissipation plate 16 is and then moved, and by rotor fin 17 heat that rotor structure 5 is produced is taken away, from
And improve the integral heat sink effect of motor.
The two ends of permanent magnet trough 13 are provided with every magnetic air groove 20, and in magnetic air groove 20 NULL is provided with.To prevent forever
The short circuit of the magnetic flux of magnet 12, is also provided with every magnetic air groove 20 in rotor core 11, and filling NULL, plays in magnetic air groove 20
Reduce the effect of leakage field.
Specific embodiment of the utility model is these are only, but technical characteristic of the present utility model is not limited thereto.Appoint
How it is to solve essentially identical technical problem based on the utility model, realizes essentially identical technique effect, donely
Simple change, equivalent or modification etc., among being all covered by protection domain of the present utility model.
Claims (7)
1. a kind of three-phase permanent synchronous servo motor, including casing and end cap, the end cap includes left end cap and right end cap, described
Left end cap is located at the left side of the casing, and the right end cap is located at the right side of the casing, it is characterised in that：The casing it is interior
Wall is provided with stator structure, and the inside of the casing is provided with rotor structure, shape between the stator structure and the rotor structure
Into there is air gap, motor shaft is provided with the middle part of the casing, the motor shaft matches with the rotor structure, the stator structure
Including stator core and stator winding, the stator core is fixedly installed on the inwall of the casing, on the stator core
Stator slot is provided with, the stator slot matches with the stator winding, the rotor structure includes rotor core and permanent magnet, institute
Rotor core is stated by silicon steel sheet stack into the rotor core is provided with permanent magnet trough, the permanent magnet and the permanent magnet trough phase
Matching, is provided with rotor shaft hatch in the middle part of the rotor core, the rotor shaft hatch matches with the motor shaft, the rotor iron
The both sides of core are provided with radiator structure.
2. a kind of three-phase permanent synchronous servo motor according to claim 1, it is characterised in that：The radiator structure includes
Rotor heat dissipation plate, rotor fin and fixed seat, the side of the rotor heat dissipation plate is provided with fixed seat, and the fixed seat connects institute
State rotor core, the opposite side of the rotor heat dissipation plate is provided with the rotor fin, the rotor fin be uniformly arranged in
On the rotor heat dissipation plate.
3. a kind of three-phase permanent synchronous servo motor according to claim 2, it is characterised in that：On the rotor heat dissipation plate
It is provided with louvre.
4. a kind of three-phase permanent synchronous servo motor according to claim 1, it is characterised in that：The two of the permanent magnet trough
End is provided with every magnetic air groove, described to be provided with NULL in magnetic air groove.
5. a kind of three-phase permanent synchronous servo motor according to claim 1, it is characterised in that：Set at the top of the casing
There is terminal box.
6. a kind of three-phase permanent synchronous servo motor according to claim 1, it is characterised in that：The bottom of the casing sets
There is mounting seat.
7. a kind of three-phase permanent synchronous servo motor according to claim 1, it is characterised in that：The two ends of the motor shaft
It is provided with installation bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621272513.9U CN206149039U (en) | 2016-11-24 | 2016-11-24 | Synchronous servo motor of three -phase permanent magnetism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621272513.9U CN206149039U (en) | 2016-11-24 | 2016-11-24 | Synchronous servo motor of three -phase permanent magnetism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206149039U true CN206149039U (en) | 2017-05-03 |
Family
ID=58626580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621272513.9U Expired - Fee Related CN206149039U (en) | 2016-11-24 | 2016-11-24 | Synchronous servo motor of three -phase permanent magnetism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206149039U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107565726A (en) * | 2017-10-31 | 2018-01-09 | 电子科技大学中山学院 | Permanent magnet synchronous motor rotor structure for electric automobile |
-
2016
- 2016-11-24 CN CN201621272513.9U patent/CN206149039U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107565726A (en) * | 2017-10-31 | 2018-01-09 | 电子科技大学中山学院 | Permanent magnet synchronous motor rotor structure for electric automobile |
| CN107565726B (en) * | 2017-10-31 | 2024-01-23 | 重庆合众电气工业有限公司 | Permanent magnet synchronous motor rotor structure for electric automobile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20170503 |