CN104967236A - Permanent magnet synchronous motor - Google Patents
Permanent magnet synchronous motor Download PDFInfo
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- CN104967236A CN104967236A CN201510408657.6A CN201510408657A CN104967236A CN 104967236 A CN104967236 A CN 104967236A CN 201510408657 A CN201510408657 A CN 201510408657A CN 104967236 A CN104967236 A CN 104967236A
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Abstract
The invention relates to a permanent magnet synchronous motor, and belongs to the technical field of a three-phase AC permanent magnet synchronous motor. The permanent magnet synchronous motor is composed of two major components of a stator and a rotor. The stator is composed of a machine shell, a stator iron core (1), an armature winding (2) and a machine base. The machine shell is composed of a shell (3), an end cap (4), a bearing cap (5) and a fan cover (6). The stator and the rotor are assembled via a bearing (7). The permanent magnet synchronous motor is characterized in that the rotor comprises a rotating shaft (9), a key (11), a rotor iron core (12), permanent magnets (17), small slot copper sheets (15), a double-end stud (13), a baffle plate (10), a sleeve ring (18), internal fans (19) and an external fan (8). Compared with permanent magnet synchronous motors in the prior art, starting torque and starting current of the motor can be effectively controlled by the permanent magnet synchronous motor, fatigue damage to material caused by iron core centrifugal force can be effectively controlled and the damage effect of the permanent magnets and a mouse cage can be reduced so that the permanent magnet synchronous motor has the effects of controlling electrical performance of the motor and enhancing the overall mechanical performance of the motor.
Description
Technical field
The present invention relates to a kind of permanent magnet synchronous motor, particularly a kind of permanent magnet synchronous motor of rare-earth Nd-Fe-B, belong to triphase AC synchronous permanent-magnet motor machine technology field.
Background technology
Current industrial circle many employings threephase asynchronous, there is efficiency lower, power factor is poor, and detent torque multiple is low, the phenomenon of the serious waste energy.And the various rare-earth permanent-magnet synchronous motors succeeded in developing in recent years, the silicon steel plate stacking that the many employings of stacked pole wheel are less than 1mm forms, and there is the phenomenon that staring torque is little, starting current is large, cannot meet the use of special operation condition; There is the phenomenon that staring torque is bigger than normal, starting current is large in solid formula rotor, damage is caused for load equipment is as easy as rolling off a log, efficient, stable effect cannot be reached, screw in addition between solid formula rotor many employings magnetic shield ring and iron core is fixed, this fixed solution easily causes the fatigue of material, affects the useful life of motor.
Application Number (patent): 200610041946.8, a kind of rare-earth permanent-magnet synchronous motor.Rotor is divided into polylith axial integral solid rotor according to motor number of pole-pairs difference, utilize magnetic shield ring realize between adjacent stator core every magnetic effect, be connected by screw between magnetic shield ring and iron core and realize radial direction unshakable in one's determination and fix.Larger staring torque can be realized by this patent, but the as easy as rolling off a log damage causing load equipment of staring torque that this structure is excessive, affect the fail safe of electric system, and the screw between magnetic shield ring and iron core is connected to the fatigue easily causing material in the long-time running time period, affect the useful life of whole motor.
Application Number (patent): 200910183031.4, a kind of permanent magnet synchronous motor.This patent is at Application Number (patent): the basis of 200610041946.8 increases Eight characters pin to reduce the screw fatigue behaviour between magnetic shield ring and iron core, increase electric machine rotor iron core transmitting torque performance simultaneously, but this patent still effectively cannot eliminate the risk that excessive staring torque causes load equipment to damage, in addition, when larger seat No., integral core centrifugal force is excessive, simple employing screw and Eight characters pin cannot effectively control excessive centrifugal force at all, also the fatigue of material is easily caused within the long-time running time period, affect the useful life of whole motor.
Summary of the invention
The object of the invention is the defect in order to overcome prior art, in order to solve the more difficult control of permanent magnet synchronous motor detent torque, the excessive problem causing fatigue of materials of starting current excessive and solid formula rotor core centrifugal force, a kind of permanent magnetic synchronous electric motor structure is proposed.
The present invention is achieved through the following technical solutions:
A kind of permanent magnet synchronous motor, be made up of stator and the large parts of rotor two, described stator component is made up of casing and stator core, armature winding and support, described casing is made up of housing, end cap, bearing cap and fan guard, described rotor part comprises rotating shaft, key, iron core, permanent magnet, sulculus copper sheet, the collar, studs, internal fan, external fan and baffle plate, and described stator component and rotor part are assembled by bearing;
Described rotating shaft is multidiameter, all offers keyway at installation iron core, internal fan and external fan place;
Described iron core is cylindrical, center has manhole, size and rotating shaft are installed and unshakable in one's determination located diameter and match, offer at central circular through hole place, with rotating shaft, the keyway locating same size unshakable in one's determination is installed, the number interrupted U-lag equal with motor pole number is had for installing permanent magnet according to motor pole number difference outside central circular through hole, comprise in face at interrupted U-lag and have manhole for installing studs, on cylindrical unshakable in one's determination, radially uniform rectangle sulculus of offering is for installing sulculus copper sheet;
Described baffle plate is the disc-shape identical with end face of iron core size, the center leaves installs the slightly large diameter manhole in place unshakable in one's determination compared with rotating shaft, have outside central circular through hole studs same position formed objects is installed with iron core manhole for installing studs, on baffle plate cylindrical radially uniform offer sulculus copper sheet same position formed objects is installed with iron core rectangle sulculus for installing sulculus copper sheet;
Annexation
On the right side of rotating shaft, internal fan and external fan are assembled by key and rotating shaft, key being installed on rotating shaft installs in keyway unshakable in one's determination, right-hand apron, iron core is coaxially assembled from the inside to the outside, by permanent magnet according to correspondingly-shaped position axis to being mounted in corresponding groove, left side baffle plate encapsulation permanent magnet, studs is run through left and right sides baffle plate with unshakable in one's determination, two nut is fixed, sulculus copper sheet is installed in corresponding sulculus copper sheet groove, two ends are fixed in left baffle by screw, the collar is axially installed in rotating shaft 9, end face aligns with left side baffle plate end face, left side internal fan is installed in rotating shaft by key.
As preferably, the described rotating shaft multidiameter that to be material be without magnetic material.
As preferably, described iron core by discoid thickness 10#, 15#, 20# mild steel of 40mm-50mm or electrical pure iron make core lamination be formed by connecting by high-temperature electric conduction glue, its core lamination number is determined according to stator core length and staring torque.
As preferably, the interrupted U-lag peak that described iron core is offered is lower than cylindrical unshakable in one's determination, unshakable in one's determination to reduce fatigue properties unshakable in one's determination for ensureing that permanent magnet is embedded in.
As preferably, described permanent magnet is combined by rectangle Nd-Fe-B permanent magnet and monolateral trapezoidal Nd-Fe-B permanent magnet and forms.
As preferably, described sulculus copper sheet is made up of, as brass the hard material that I shape electric conductivity is good.
As preferably, described baffle plate is made up of, as brass the hard material that discoid electric conductivity is good.
As preferably, the described collar is made up of, as steel pipe cylindric hard material.
Beneficial effect
The device that the present invention proposes, contrast prior art, adopting thickness at the core lamination of 40mm-50mm, compare the silicon steel sheet closed assembly or axial integral solid rotor that are originally less than 1mm, can effectively controlling electric motor starting moment and starting current by controlling high-temperature electric conduction glue connection lamination number; Because iron core adopts monolithic construction, add that interrupted U-lag effectively can control the fatigue rupture that centrifugal force unshakable in one's determination causes material; Replace original air to eliminate the pulsating stress of permanent magnet in rotor core inside every magnetic by the saturation effect of the solid material in the middle of interrupted U-lag every magnetic, reduce the damage effect of permanent magnet; The low damage effect except mouse cage is fallen by the screw between I shape sulculus copper sheet and baffle plate.
The device that the present invention proposes, contrast prior art, effectively can control staring torque and the starting current of motor, effective control centrifugal force unshakable in one's determination causes the fatigue rupture of material, reduce the damage effect of permanent magnet and mouse cage, have and control motor electric property, the effect of lifting motor overall mechanical properties.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of permanent magnet synchronous motor of the embodiment of the present invention.
Fig. 2 is a kind of permanent-magnet synchronous motor rotor parts vertical section of embodiment of the present invention organigram.
Fig. 3 is a kind of permanent-magnet synchronous motor rotor of the embodiment of the present invention shown in Fig. 2 closed assembly side perspective view unshakable in one's determination.
Fig. 4 is a kind of permanent magnet synchronous motor rotary shaft structure of embodiment of the present invention schematic diagram.
Fig. 5 is a kind of permanent magnet synchronous motor of embodiment of the present invention organigram unshakable in one's determination.
Fig. 6 is a kind of permanent magnet synchronous motor permanent magnet of embodiment of the present invention organigram.
Fig. 7 is a kind of permanent magnet synchronous motor I shape of embodiment of the present invention sulculus copper sheet organigram.
Fig. 8 is a kind of permanent magnet synchronous motor shutter configuration of embodiment of the present invention schematic diagram.
Reference numeral: 1-stator core, 2-armature winding, 3-housing, 4-end cap, 5-bearing cap, 6-fan guard, 7-bearing, 8-external fan, 9-rotating shaft, 10-baffle plate, 11-key, 12-is unshakable in one's determination, 13-studs, 14-nut, 15-sulculus copper sheet, 16-screw, 17-permanent magnet, the 18-collar, 19-internal fan.
Embodiment
For making the object of invention, technical scheme and advantage clearly understand, below in conjunction with accompanying drawing, embodiments of the present invention is described in detail.
As shown in Figure 1, a kind of permanent magnet synchronous motor, is made up of the large parts of stators and rotators two.Described stator component is made up of casing and stator core 1, armature winding 2.Casing is made up of housing 3, end cap 4, bearing cap 5, fan guard 6 and external fan 8, and its structure is identical with common threephase asynchronous.Stator and the rotor part of the present invention of common threephase asynchronous directly assemble, and form a kind of permanent magnet synchronous motor.
The structural change focusing on rotor part of the present invention, as shown in Figures 2 and 3, described rotor part comprises 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.
Be illustrated in figure 4 pivot structure schematic diagram, described rotating shaft 9 adopts and makes without the multidiameter material of magnetic material, and in installation, place unshakable in one's determination offers keyway.
Be illustrated in figure 5 core construction schematic diagram, described unshakable in one's determination 12 by the 10# of discoid thickness at 40mm-50mm, 15#, 20# mild steel or electrical pure iron make core lamination be formed by connecting by high-temperature electric conduction glue, 12 centers unshakable in one's determination have manhole, size and rotating shaft 9 are installed and unshakable in one's determination located diameter and match, offer at central circular through hole place, with rotating shaft 9, the keyway locating same size unshakable in one's determination is installed, the number interrupted U-lag equal with motor pole number is had for installing permanent magnet 17 according to motor pole number difference outside central circular through hole, but interrupted U-lag peak lower than rotor core cylindrical for ensureing that permanent magnet is embedded in rotor core to reduce the fatigue properties of rotor core, comprise in face at interrupted U-lag and have manhole for installing studs 13, on 12 cylindricals unshakable in one's determination, radially uniform rectangle sulculus of offering is for installing sulculus copper sheet 15.
Be illustrated in figure 6 permanent magnet organigram, described permanent magnet 17 is combined by rectangle Nd-Fe-B permanent magnet and monolateral trapezoidal Nd-Fe-B permanent magnet and forms.
Be illustrated in figure 7 sulculus copper sheet organigram, described sulculus copper sheet 15 is made up of I shape brass.
Be illustrated in figure 7 shutter configuration schematic diagram, described baffle plate 10 is made up of discoid brass, baffle plate 10 center is left and is installed the slightly large diameter manhole in place unshakable in one's determination compared with rotating shaft 9, have outside central circular through hole studs 13 same position formed objects is installed with iron core manhole for installing studs 13, on baffle plate 10 cylindrical radially uniform offer sulculus copper sheet 15 same position formed objects is installed with iron core rectangle sulculus for installing sulculus copper sheet 15.
The annexation of each parts:
First in rotating shaft, unshakable in one's determination 12 are installed, fitting key in internal fan 19 and external fan 8 place keyway, for fixed iron core 12, internal fan 19 and the position of external fan 8 in rotating shaft, then iron core is positioned by key and rotating shaft, ensure that iron core, in rotating shaft, circumferential displacement can not occur, then seamless link is realized between the core lamination of built-in permanent magnet 17 and core lamination by high-temperature electric conduction glue, axial displacement is there is not by the interference fit of the collar 18 and the step position assurance rotor core 12 of rotating shaft 9, baffle plate 10 is installed for preventing permanent magnet 17 axial displacement at rotor core 12 two ends, studs 13 is inserted in the middle of rotor core 12 with baffle plate 10, studs 13 nut 14 is fixed, for iron core 12 and baffle plate 10 are carried out axial restraint, I shape sulculus copper sheet 15 is assigned in the unshakable in one's determination rectangle sulculus offered with baffle plate cylindrical place, I shape sulculus copper sheet two ends are fixed on baffle plate 10 by screw 16 simultaneously, prevent the radial displacement of sulculus copper sheet, form mouse cage and start structure.The rotor part assembled, by being contained in the bearing 7 at two ends in rotating shaft 9, assembling with the stator component assembled, forming a kind of permanent magnet synchronous motor.
Above-described specific descriptions; the object of inventing, technical scheme and beneficial effect are further described; be understood that; the foregoing is only specific embodiments of the invention; the protection range be not intended to limit the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. a permanent magnet synchronous motor, be made up of stator and rotor, described 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, described stator and described rotor are assembled by bearing (7), it is characterized in that, described rotor comprises 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),
Described rotating shaft (9) is multidiameter, all offers keyway at installation (12) unshakable in one's determination, internal fan (19) and external fan (8) place;
Described iron core (12) is for cylindrical, center has manhole, size and rotating shaft (9) are installed and unshakable in one's determination located diameter and match, offer at central circular through hole place, with rotating shaft (9), the keyway locating same size unshakable in one's determination is installed, the number interrupted U-lag equal with motor pole number is had for installing permanent magnet (17) according to motor pole number difference outside central circular through hole, comprise in face at interrupted U-lag and have manhole for installing studs (13), on (12) cylindrical unshakable in one's determination, radially uniform rectangle sulculus of offering is for installing sulculus copper sheet (15),
Described baffle plate (10) is the disc-shape identical with (12) end face size unshakable in one's determination, the center leaves comparatively rotating shaft (9) and installs the slightly large diameter manhole in place unshakable in one's determination, have outside central circular through hole studs (13) same position formed objects is installed with iron core manhole for installing studs (13), on baffle plate (10) cylindrical radially uniform offer sulculus copper sheet (15) same position formed objects is installed with iron core rectangle sulculus for installing sulculus copper sheet (15);
Annexation:
Rotating shaft (9) right side internal fan (19) and external fan (8) are assembled by key (11) and rotating shaft (9), key (11) is installed on rotating shaft (9) to be installed in keyway unshakable in one's determination, baffle plate (10), (12) unshakable in one's determination coaxially assemble from the inside to the outside, by permanent magnet (17) according to correspondingly-shaped position axis to being mounted in corresponding groove, baffle plate (10) encapsulation permanent magnet (17), studs (13) is run through baffle plate (10) and (12) unshakable in one's determination, two nut (14) is fixed, sulculus copper sheet (15) is installed in corresponding sulculus copper sheet groove, two ends are fixed on baffle plate (10) by screw (16), the collar (18) is axially installed in rotating shaft (9), align with baffle plate (10) end face in its right side, internal fan (19) is installed in rotating shaft (9) by key (11).
2. a kind of permanent magnet synchronous motor according to claim 1, is characterized in that: described rotating shaft (9) for material be the multidiameter without magnetic material.
3. a kind of permanent magnet synchronous motor according to claim 1, it is characterized in that: unshakable in one's determination (12) by discoid thickness 10#, 15#, 20# mild steel of 40mm-50mm or electrical pure iron make core lamination be formed by connecting by high-temperature electric conduction glue, its core lamination number is determined according to stator core (1) length and staring torque.
4. a kind of permanent magnet synchronous motor according to claim 1, it is characterized in that: the interrupted U-lag peak that described iron core (12) is offered is lower than (12) cylindrical unshakable in one's determination, unshakable in one's determination to reduce fatigue properties unshakable in one's determination for ensureing that permanent magnet (17) is embedded in.
5. a kind of permanent magnet synchronous motor according to claim 1, is characterized in that: described permanent magnet (17) is combined by rectangle Nd-Fe-B permanent magnet and monolateral trapezoidal Nd-Fe-B permanent magnet and forms.
6. a kind of permanent magnet synchronous motor according to claim 1, is characterized in that: described sulculus copper sheet (15) is made up of the hard material that I shape electric conductivity is good.
7., according to the arbitrary described a kind of permanent magnet synchronous motor of claim 1, it is characterized in that: described baffle plate (10) is made up of the hard material that discoid electric conductivity is good.
8., according to the arbitrary described a kind of permanent magnet synchronous motor of claim 1 to 7, it is characterized in that: the described collar (18) is made up of cylindric hard material.
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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| 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 true CN104967236A (en) | 2015-10-07 |
| CN104967236B CN104967236B (en) | 2017-11-10 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN105305770A (en) * | 2015-11-04 | 2016-02-03 | 河南理工大学 | High-efficiency high-thrust double-sided linear 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 |
| CN105305769A (en) * | 2015-11-04 | 2016-02-03 | 河南理工大学 | Slotted salient pole permanent magnet array and linear motor |
| CN105406684A (en) * | 2015-12-29 | 2016-03-16 | 河南理工大学 | Tooth-slot salient permanent magnet composite array 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 |
| CN111355318A (en) * | 2020-04-13 | 2020-06-30 | 南京工程学院 | High-power permanent magnet synchronous motor |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101527476A (en) * | 2009-01-15 | 2009-09-09 | 姜卫亮 | Brushless electric motor rotor |
| 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 |
| 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 |
| CN102723834A (en) * | 2012-04-25 | 2012-10-10 | 山西北方机械制造有限责任公司 | Permanent magnet synchronous motor |
| JP2013188075A (en) * | 2012-03-09 | 2013-09-19 | Fuji Electric Co Ltd | Rotor of permanent magnet type rotary electrical machine |
| 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 |
-
2015
- 2015-07-13 CN CN201510408657.6A patent/CN104967236B/en active Active
Patent Citations (6)
| 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 |
| JP2013188075A (en) * | 2012-03-09 | 2013-09-19 | Fuji Electric Co Ltd | Rotor of permanent magnet type rotary electrical machine |
| CN102723834A (en) * | 2012-04-25 | 2012-10-10 | 山西北方机械制造有限责任公司 | Permanent magnet synchronous motor |
| 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 |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105305770A (en) * | 2015-11-04 | 2016-02-03 | 河南理工大学 | High-efficiency high-thrust double-sided linear motor |
| CN105305769A (en) * | 2015-11-04 | 2016-02-03 | 河南理工大学 | Slotted salient pole 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 |
| CN105406684A (en) * | 2015-12-29 | 2016-03-16 | 河南理工大学 | Tooth-slot salient permanent magnet composite array 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 |
| CN111355318A (en) * | 2020-04-13 | 2020-06-30 | 南京工程学院 | High-power permanent magnet synchronous motor |
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