CN104967236B - A kind of permasyn morot - Google Patents
A kind of permasyn morot Download PDFInfo
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- CN104967236B CN104967236B CN201510408657.6A CN201510408657A CN104967236B CN 104967236 B CN104967236 B CN 104967236B CN 201510408657 A CN201510408657 A CN 201510408657A CN 104967236 B CN104967236 B CN 104967236B
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Abstract
The present invention relates to a kind of permasyn morot, belongs to triphase AC synchronous permanent-magnet motor machine technical field；It is made up of stator and two big part of rotor, the stator is by casing and stator core (1), armature winding (2) and support composition, casing is by housing (3), end cap (4), bearing cap (5) and fan guard (6) composition, the stator is assembled with the rotor by bearing (7), it is characterized in that, the rotor includes rotating shaft (9), key (11), rotor core (12), permanent magnet (17), sulculus copper sheet (15), studs (13), baffle plate (10), the collar (18), internal fan (19) and external fan (8).Permasyn morot of the present invention, contrast prior art, it is capable of the staring torque and starting current of effective controlled motor, centrifugal force unshakable in one's determination is effectively controlled to cause the fatigue rupture of material, reduce the damage effect of permanent magnet and mouse cage, with controlled motor electric property, the effect of lifting motor overall mechanical properties.
Description
Technical field
The present invention relates to a kind of permasyn morot, more particularly to a kind of permasyn morot of rare-earth Nd-Fe-B,
Belong to triphase AC synchronous permanent-magnet motor machine technical field.
Background technology
Industrial circle uses threephase asynchronous more at present, exists less efficient, and power factor is poor, detent torque multiple
It is low, the phenomenon of the serious waste energy.And the various rare-earth permanent-magnet synchronous motors succeeded in developing in recent years, stacked pole wheel
More silicon steel plate stackings using less than 1mm form, and the phenomenon that staring torque is small, starting current is big be present, can not meet special work
The use of condition；There is the phenomenon that staring torque is bigger than normal, starting current is big in solid formula rotor, be easy to cause to damage for load equipment
It is bad, efficient, stable effect is unable to reach, solid formula rotor is fixed using the screw between magnetic shield ring and iron core more in addition,
The fixed solution easily causes the fatigue of material, influences the service life of motor.
Application Number (patent)：A kind of 200610041946.8 rare-earth permanent-magnet synchronous motor.Rotor is extremely right according to motor
Number difference is divided into polylith axial direction unitary solid rotor, the magnetism isolating effect between adjacent stator core is realized using magnetic shield ring, every magnetic
It is connected by screw between the collar and iron core and realizes the radially fixed of iron core.Larger staring torque can be realized by the patent,
But the excessive staring torque of the structure is easy to cause the damage of load equipment, the security of electric system, and magnetic shield are influenceed
Mode connects for screw between ring and iron core easily causes the fatigue of material within the longtime running period, influences the overall use of motor
Life-span.
Application Number (patent)：A kind of 200910183031.4 permasyn morot.The patent is in Application Number (patent)：
Increase by eight word pins on the basis of 200610041946.8 to reduce the screw fatigue behaviour between magnetic shield ring and iron core, increase simultaneously
Electric machine rotor iron core is added to transmit torsional performance, but the patent still can not effectively eliminate excessive staring torque and cause load equipment to damage
Risk, in addition, in the case of larger seat No., integral core centrifugal force is excessive, merely using screw and eight word pins it is basic
Excessive centrifugal force can not be effectively controlled, the fatigue of material is also easily caused within the longtime running period, influences motor entirety
Service life.
The content of the invention
The defects of the invention aims to overcome prior art, in order to solve permasyn morot detent torque compared with
Hardly possible controls, starting current is excessive and solid formula rotor core centrifugal force excessive the problem of causing fatigue of materials, proposes a kind of new
Permanent magnet synchronous motor structure.
The present invention is achieved through the following technical solutions：
A kind of permasyn morot, it is made up of stator and two big part of rotor, described stator component is by casing and determines
Sub unshakable in one's determination, armature winding and support composition, the casing are made up of housing, end cap, bearing cap and fan guard, described rotor portions
Part includes rotating shaft, key, iron core, permanent magnet, sulculus copper sheet, the collar, studs, internal fan, external fan and baffle plate, described fixed
Subassembly is assembled with rotor part by bearing；
The rotating shaft is multi-diameter shaft, and keyway is offered at installation iron core, internal fan and external fan；
It is described unshakable in one's determination to be cylindrical, manhole is provided with center, size matches with diameter at rotating shaft installation iron core,
The keyway with same size at rotating shaft installation iron core is opened up at central circular through hole, according to motor pole on the outside of central circular through hole
Number difference is provided with the number interrupted U-lag equal with motor pole number and is used to install permanent magnet, is provided with interrupted U-lag includes face
Manhole is used to install studs, and rectangle sulculus is radially uniformly opened up on iron core is cylindrical and is used to install sulculus copper sheet；
The baffle plate is to be left with end face of iron core size identical disc-shape, the center at unshakable in one's determination compared with rotating shaft installation slightly
The manhole of major diameter, the circle with installation studs same position formed objects unshakable in one's determination is provided with the outside of central circular through hole
Shape through hole is used to install studs, is radially uniformly opened up on baffle plate is cylindrical and installs sulculus copper sheet same position phase with iron core
Rectangle sulculus with size is used to install sulculus copper sheet；
Annexation
Internal fan and external fan are assembled by key and rotating shaft on the right side of rotating shaft, and key is installed on into rotating shaft installs in keyway unshakable in one's determination,
Right-hand apron, assembling coaxial from the inside to the outside unshakable in one's determination, permanent magnet are axially attached in corresponding groove according to correspondingly-shaped position, left side
Baffle plate encapsulates permanent magnet, and by studs through left and right sides baffle plate with unshakable in one's determination, two is fixed with nut, by sulculus copper sheet
In sulculus copper sheet groove corresponding to being installed on, both ends are fixed in left baffle by screw, and the collar is axially mounted to turn
On axle 9, end face is alignd with left side baffle plate end face, and left side internal fan is installed in rotating shaft by key.
Preferably, the rotating shaft is material be no magnetic material multi-diameter shaft.
Preferably, it is described it is unshakable in one's determination by discoid thickness 40mm-50mm 10#, 15#, 20# mild steel or electrical pure iron
Manufactured core-lamination stack is formed by high-temperature electric conduction gemel connection, and its core-lamination stack number is according to stator core length and startup
Torque determines.
Preferably, the interrupted U-lag peak opened up on the iron core is cylindrical less than unshakable in one's determination, for ensureing in permanent magnet
Embedded in iron core with reduce iron core fatigue properties.
Formed preferably, the permanent magnet is combined by rectangle Nd-Fe-B permanent magnet with unilateral trapezoidal Nd-Fe-B permanent magnet.
Preferably, the sulculus copper sheet is made up of the good hard material of I-shaped electric conductivity, such as brass.
Preferably, the baffle plate is made up of the good hard material of discoid electric conductivity, such as brass.
Preferably, the collar is made up of cylindric hard material, such as steel pipe.
Beneficial effect
Device proposed by the present invention, contrast prior art, using thickness 40mm-50mm core-lamination stack, compared to original
Silicon steel sheet closed assembly or axial unitary solid rotor less than 1mm, can be by controlling high-temperature electric conduction gemel connection lamination number effective
Controlled motor staring torque and starting current；Because iron core uses monolithic construction, iron can be effectively controlled plus interrupted U-lag
Heart centrifugal force causes the fatigue rupture of material；Replaced originally every magnetic by the saturation effect of the solid material among interrupted U-lag
Air eliminate pulsating stress of the permanent magnet inside rotor core every magnetic, reduce the damage effect of permanent magnet；Pass through I-shaped
Screw between type sulculus copper sheet and baffle plate falls the low damage effect except mouse cage.
Device proposed by the present invention, prior art is contrasted, be capable of the staring torque and starting current of effective controlled motor, have
Effect controls centrifugal force unshakable in one's determination to cause the fatigue rupture of material, reduces the damage effect of permanent magnet and mouse cage, has controlled motor electricity
Gas performance, the effect of lifting motor overall mechanical properties.
Brief description of the drawings
Fig. 1 is a kind of structural representation of permasyn morot of the embodiment of the present invention.
Fig. 2 is a kind of permanent-magnet synchronous motor rotor part vertical section organigram of the embodiment of the present invention.
Fig. 3 is a kind of permanent-magnet synchronous motor rotor iron core closed assembly side perspective view of the embodiment of the present invention shown in Fig. 2.
Fig. 4 is a kind of permasyn morot rotary shaft structure schematic diagram of the embodiment of the present invention.
Fig. 5 is a kind of permasyn morot iron core organigram of the embodiment of the present invention.
Fig. 6 is a kind of permasyn morot permanent magnet organigram of the embodiment of the present invention.
Fig. 7 is a kind of I-shaped sulculus copper sheet organigram of permasyn morot of the embodiment of the present invention.
Fig. 8 is a kind of permasyn morot shutter configuration schematic diagram of the embodiment of the present invention.
Reference：1- stator cores, 2- armature winding, 3- housings, 4- end caps, 5- bearing caps, 6- fan guards, 7- axles
Hold, 8- external fans, 9- rotating shafts, 10- baffle plates, 11- keys, 12- is unshakable in one's determination, 13- studs, 14- nuts, 15- sulculus copper sheets, 16-
Screw, 17- permanent magnets, the 18- collars, 19- internal fans.
Embodiment
For the object, technical solution and advantage of invention are more clearly understood, the reality below in conjunction with accompanying drawing to the present invention
Example is applied to be described in detail.
As shown in figure 1, a kind of permasyn morot, is made up of stator and two big part of rotor.The stator component by
Casing and stator core 1, armature winding 2 form.Casing is made up of housing 3, end cap 4, bearing cap 5, fan guard 6 and external fan 8,
Its structure is identical with common threephase asynchronous.The stator and the rotor part of the present invention of common threephase asynchronous are direct
Assembling, forms a kind of permasyn morot.
The structural change for focusing on rotor part of the present invention, as shown in Figures 2 and 3, the rotor part include turning
Axle 9, key 11, rotor core 12, permanent magnet 17, sulculus copper sheet 15, studs 13, baffle plate 10, the collar 18, internal fan 19 and outer
Fan 8.
Pivot structure schematic diagram is illustrated in figure 4, the rotating shaft 9 is made of the ladder shaft material without magnetic material, installed
Place unshakable in one's determination opens up keyway.
Be illustrated in figure 5 core construction schematic diagram, described unshakable in one's determination 12 by discoid thickness 40mm-50mm 10#, 15#,
Core-lamination stack made of 20# mild steel or electrical pure iron is formed by high-temperature electric conduction gemel connection, and circle is provided with 12 centers unshakable in one's determination
Shape through hole, size are installed diameter at iron core with rotating shaft 9 and matched, opened up at central circular through hole and install place unshakable in one's determination with rotating shaft 9
The keyway of same size, interrupted equal with motor pole number of number is provided with according to motor pole number difference on the outside of central circular through hole
U-lag is used to install permanent magnet 17, but discontinuously U-lag peak is cylindrical less than rotor core is used to ensureing that permanent magnet is embedded in turning
Sub- iron core is provided with manhole for installing double end spiral shell to reduce the fatigue properties of rotor core in interrupted U-lag includes face
Post 13, rectangle sulculus is radially uniformly opened up on iron core 12 is cylindrical and is used to sulculus copper sheet 15 be installed.
Be illustrated in figure 6 permanent magnet organigram, the permanent magnet 17 by rectangle Nd-Fe-B permanent magnet with it is unilateral trapezoidal
Nd-Fe-B permanent magnet combination is formed.
Sulculus copper sheet organigram is illustrated in figure 7, the sulculus copper sheet 15 is made up of I-shaped brass.
Shutter configuration schematic diagram is illustrated in figure 7, the baffle plate 10 is made up of discoid brass, and baffle plate 10 stays at center
There is the manhole that slightly larger diameter at iron core is installed compared with rotating shaft 9, be provided with the outside of central circular through hole and installation double end spiral shell unshakable in one's determination
The manhole of the same position formed objects of post 13 is used to install studs 13, is radially uniformly opened up on baffle plate 10 is cylindrical
It is used to sulculus copper sheet 15 be installed with the rectangle sulculus of the same position formed objects of installation sulculus copper sheet 15 unshakable in one's determination.
The annexation of each part：
Iron core 12 is installed first in rotating shaft, installation key in keyway at internal fan 19 and external fan 8, for fixed iron core
12nd, the position of internal fan 19 and external fan 8 in rotating shaft, then iron core is positioned by key and rotating shaft, ensures that iron core exists
It will not occur circumferentially displaced in rotating shaft, then will pass through high-temperature electric conduction between the core-lamination stack and core-lamination stack of built-in permanent magnet 17
Glue, which is realized, to be seamlessly connected, and axial direction does not occur by the interference fit of the collar 18 and the step position assurance rotor core 12 of rotating shaft 9
Displacement, at the both ends of rotor core 12, installation baffle plate 10 is used to prevent the axial displacement of permanent magnet 17, in rotor core 12 and baffle plate 10
Centre insertion studs 13, studs 13 are fixed with nut 14, axially solid for iron core 12 to be carried out with baffle plate 10
It is fixed, I-shaped sulculus copper sheet 15 is assigned into the rectangle sulculus unshakable in one's determination opened up with the cylindrical place of baffle plate, while by I-shaped sulculus
Copper sheet both ends are fixed on baffle plate 10 by screw 16, prevent sulculus copper sheet radial displacement, form mouse cage startup structure.Dress
The rotor part prepared, by the bearing 7 at the both ends in rotating shaft 9, assembled with the stator component assembled, form a kind of permanent magnetism
Synchronous motor.
Above-described specific descriptions, the purpose, technical scheme and beneficial effect of invention are carried out further specifically
It is bright, it should be understood that the specific embodiment that the foregoing is only the present invention, the protection model being not intended to limit the present invention
Enclose, within the spirit and principles of the invention, any modification, equivalent substitution and improvements done etc., should be included in the present invention
Protection domain within.
Claims (8)
1. a kind of permasyn morot, is made up of stator and rotor, the stator by casing and stator core (1), armature around
Group (2) and support composition, casing is made up of housing (3), end cap (4), bearing cap (5) and fan guard (6), the stator with it is described
Rotor is assembled by bearing (7), it is characterised in that the rotor includes rotating shaft (9), key (11), rotor core (12), permanent magnet
(17), sulculus copper sheet (15), studs (13), baffle plate (10), the collar (18), internal fan (19) and external fan (8)；
The rotating shaft (9) is multi-diameter shaft, and keyway is opened up at installation rotor core (12), internal fan (19) and external fan (8) place；
The rotor core (12) is cylinder, and manhole, size and diameter phase at rotating shaft (9) installation iron core are provided with center
Matching, the keyway with same size at rotating shaft (9) installation iron core is opened up at central circular through hole, on the outside of central circular through hole
The number interrupted U-lag equal with motor pole number is provided with according to motor pole number difference to be used to permanent magnet (17) be installed, in interrupted U-shaped
Groove, which includes, is provided with manhole for installing studs (13) in face, radially uniformly opened up on rotor core (12) is cylindrical
Rectangle sulculus is used to install sulculus copper sheet (15)；
The baffle plate (10) is to be left with rotor core (12) end face size identical disc-shape, the center compared with rotating shaft (9)
The manhole of slightly larger diameter at installation iron core, is provided with identical with iron core installation studs (13) on the outside of central circular through hole
The manhole of position formed objects is used to install studs (13), is radially uniformly opened up on baffle plate (10) is cylindrical and iron
The rectangle sulculus for filling sulculus copper sheet (15) same position formed objects feel at ease for installing sulculus copper sheet (15)；
Annexation：
Internal fan (19) and external fan (8) are assembled by key (11) and rotating shaft (9) on the right side of rotating shaft (9), and key (11) is installed on and turned
Axle (9) is installed in keyway unshakable in one's determination, baffle plate (10), rotor core (12) coaxial assembling from the inside to the outside, by permanent magnet (17) according to right
Answer shaped position axially mounted into corresponding groove, baffle plate (10) encapsulation permanent magnet (17), studs (13) is run through into baffle plate
(10) it is fixed with rotor core (12), two with nut (14), sulculus copper sheet (15) is installed on corresponding sulculus copper sheet
In groove, both ends are fixed on baffle plate (10) by screw (16), and the collar (18) is axially mounted in rotating shaft (9), and it is right
End face is alignd with baffle plate (10) end face, and internal fan (19) is installed in rotating shaft (9) by key (11).
A kind of 2. permasyn morot according to claim 1, it is characterised in that：The rotating shaft (9) is that material is nothing
The multi-diameter shaft of magnetic material.
A kind of 3. permasyn morot according to claim 1, it is characterised in that：Rotor core (12) is by discoid thickness
Spend core-lamination stack made of 10#, 15#, 20# mild steel or electrical pure iron in 40mm-50mm by high-temperature electric conduction gemel connection and
Into its core-lamination stack number determines according to stator core (1) length and staring torque.
A kind of 4. permasyn morot according to claim 1, it is characterised in that：Opened up on the rotor core (12)
Interrupted U-lag peak it is cylindrical less than rotor core (12), for ensureing that it is unshakable in one's determination to reduce iron core that permanent magnet (17) is embedded in
Fatigue properties.
A kind of 5. permasyn morot according to claim 1, it is characterised in that：The permanent magnet (17) is by rectangle neodymium
Iron boron permanent magnet combines composition with unilateral trapezoidal Nd-Fe-B permanent magnet.
A kind of 6. permasyn morot according to claim 1, it is characterised in that：The sulculus copper sheet (15) is by I-shaped
The good hard material of type electric conductivity is formed.
A kind of 7. permasyn morot according to claim 1, it is characterised in that：The baffle plate (10) is led by discoid
The good hard material of electrical property is formed.
A kind of 8. permasyn morot according to any one of claims 1 to 7, it is characterised in that：The collar (18) by
Cylindric hard material is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510408657.6A CN104967236B (en) | 2015-06-02 | 2015-07-13 | A kind of permasyn morot |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2015102940459 | 2015-06-02 | ||
| CN201510294045 | 2015-06-02 | ||
| CN201510408657.6A CN104967236B (en) | 2015-06-02 | 2015-07-13 | A kind of permasyn morot |
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| CN104967236A CN104967236A (en) | 2015-10-07 |
| CN104967236B true CN104967236B (en) | 2017-11-10 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105305769B (en) * | 2015-11-04 | 2019-04-02 | 河南理工大学 | A kind of salient pole fluting permanent magnet array and linear motor |
| CN105305770B (en) * | 2015-11-04 | 2018-04-06 | 河南理工大学 | Efficient high thrust bilateral linear motor |
| CN105305767A (en) * | 2015-11-30 | 2016-02-03 | 焦作市华鹰机电技术有限公司 | Salient-pole halbach composite array and permanent magnet motor |
| CN105305756A (en) * | 2015-11-30 | 2016-02-03 | 河南理工大学 | Salient-pole halbach composite permanent magnet rotation motor |
| CN105305772A (en) * | 2015-11-30 | 2016-02-03 | 河南理工大学 | Salient-pole halbach composite permanent magnet linear motor |
| CN105406627A (en) * | 2015-12-29 | 2016-03-16 | 河南理工大学 | Tooth-slot salient permanent magnet composite array and electromagnetic apparatus |
| CN105406684A (en) * | 2015-12-29 | 2016-03-16 | 河南理工大学 | Tooth-slot salient permanent magnet composite array linear motor |
| CN111355318A (en) * | 2020-04-13 | 2020-06-30 | 南京工程学院 | High-power permanent magnet synchronous motor |
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| CN203589985U (en) * | 2013-12-05 | 2014-05-07 | 山西北方机械制造有限责任公司 | Quadrupole permanent magnet synchronous motor rotor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2013188075A (en) * | 2012-03-09 | 2013-09-19 | Fuji Electric Co Ltd | Rotor of permanent magnet type rotary electrical machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101527476A (en) * | 2009-01-15 | 2009-09-09 | 姜卫亮 | Brushless electric motor rotor |
| CN102651591A (en) * | 2011-02-24 | 2012-08-29 | 通用汽车环球科技运作有限责任公司 | Rotor for an induction motor and method for fabricating |
| CN102510145A (en) * | 2011-11-03 | 2012-06-20 | 中国石油天然气股份有限公司 | Component force type rotor of underground cylindrical linear motor |
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