CN201742177U - Electric machine with a non-slot amorphous ferroalloy radial magnetic circuit - Google Patents
Electric machine with a non-slot amorphous ferroalloy radial magnetic circuit Download PDFInfo
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- CN201742177U CN201742177U CN2010202719454U CN201020271945U CN201742177U CN 201742177 U CN201742177 U CN 201742177U CN 2010202719454 U CN2010202719454 U CN 2010202719454U CN 201020271945 U CN201020271945 U CN 201020271945U CN 201742177 U CN201742177 U CN 201742177U
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Abstract
The utility model relates to an electric machine with a non-slot amorphous ferroalloy radial magnetic circuit. A stator core (21) is formed by winding an amorphous ferroalloy belt into the cylinder shape and the stator winding (22) is wholly in cylinder shape and fixed on the inner cylindrical surface of the stator core (21) and a metal reinforced liner (25) is also fixed on the inner wall of the stator winding (22) and a radial gas gap (5) is formed between the inner hole and the outer surface of a rotor (3); a rotor core (31) is formed into a hollow column shape by the amorphous ferroalloy material and a key groove (312) connected with an electric machine axle (6) is opened on the inner hole wall and its radial outer surface is adaptive with a permanent magnet (32) and the permanent magnet (32) is inlaid or sleeved on the outer surface of the rotor core (31). The electric machine effectively shortens the volume, reduces the loss and increases the efficiency. Meanwhile, the processing difficulty of the slot is avoided and the man hour is saved, the process cost is greatly reduced and the electric machine slot effect is eliminated and the electromagnetic noise is reduced. The eddy current loss is small, the high-frequency feature is good, the power density is large, thus the electric machine is a high-efficiency energy-saving electric machine.
Description
[technical field]
The utility model relates to the magnetic circuit parts that motor is made, and relates in particular to armature winding to be feature and to be the stator or the rotor body of feature with the magnetic material.
[background technology]
The amorphous iron alloy material is to utilize the metallic atom that is in active state under the high temperature fused state to have little time to arrange and the alloy material with long-range disordered structure of formation in order by certain crystalline state rule in hurried cooling.This amorphous iron alloy material has the permeability height compared with traditional silicon steel material, and resistance is big, series of advantages such as the little and excellent in high-frequency characteristics of eddy current loss, but its processing characteristics is relatively poor, is difficult to strike out sheet and is difficult to carry out the large volume cut.The prior art motor comprises generator and motor, comprise casing, end cap, stator, rotor and motor shaft, stator is fixed in the casing, rotor is fixed in and is arranged in the stator on the motor shaft, and air gap is arranged between stator, motor shaft passes stator core, is loaded on rotationally on the definite installation site of casing and end cap.Stator is made up of stator core and stator winding, and stator core generally adopts soft magnetic material such as silicon steel sheet to press folded making, and there is axial teeth groove its inboard, and stator winding is flush-mounted in the teeth groove.In the loss of motor, iron loss has occupied sizable ratio, and these losses have all consumed non-renewable energy resources with the heating form, has increased the temperature rise of motor simultaneously, has reduced efficiency of motor.Reducing the motor iron loss is design of electrical motor one big problem, adopts the permeability height, and resistance is big, and the new material that eddy current loss is little replaces the direction that silicon steel sheet is the motor research and development.Prior art is used the motor of amorphous iron alloy material, as publication number is the Chinese patent application " novel motor of non-crystalline material " of CN 1874113A, its stator core adopts columnar non-crystalline material shell and the bonding formation teeth groove of silicon steel plate packing pole, set sub-winding and make stator in that teeth groove is embedded, in motor stator core, use non-crystalline material partly.This its rotor of composite material iron core motor remains traditional structure, it is bonding that its stator core adopts two kinds of materials, two parts to make the back respectively, structure and complex manufacturing process, and because of teeth groove is arranged, slot effect is still overcome to electromagnetic noise and teeth groove loss that motor brings.And in for the slotless electric machines that overcomes the defective that slot effect brings, be called " high output brushless, permanently slotless motor " disclosed technology as notification number for the CN2891450Y name, its stator core is still continued to use traditional silicon steel material and is laminated and make, and its rotor adopts the iron core of traditional material and the permanent magnetic steel that is enclosed within around the iron core is formed.Silicon steel sheet is in permeability, and resistance, the inherent defect of aspects such as eddy current loss and high frequency characteristics make it can not produce more high efficiency motor.
[summary of the invention]
The technical problems to be solved in the utility model is to avoid the deficiencies in the prior art part and provides a kind of eddy current loss little, excellent in high-frequency characteristics and electromagnetic noise are low do not have the teeth groove loss, the efficient height, power density is big, and stock utilization is high has slotless amorphous iron the alloy radially motor and the process thereof of magnetic circuit.The technical scheme that the utility model solve the technical problem employing is: a kind of slotless amorphous iron the alloy radially motor and process thereof of magnetic circuit of having is provided, described have slotless amorphous iron alloy radially the motor of magnetic circuit comprise casing, end cap, stator, rotor and motor shaft, end cap is loaded on the casing end and determines the installation site of motor shaft jointly with casing, stator is installed in the casing, rotor is installed on the motor shaft and is arranged in the stator, and radial air gap is arranged between the stator, motor shaft passes stator inner hole, is loaded on rotationally on the definite installation site of casing and end cap; Stator comprises stator core and stator winding, and rotor comprises rotor core and permanent magnet; Especially, described stator core is the cylinder that is wound into by the amorphous iron alloy strip steel rolled stock, described stator winding integral body is cylindrical, be fixed on the stator core inner cylinder face, the stator winding inwall also is fixed with metal and strengthens lining, and the axial length that this metal is strengthened lining is identical with stator winding, form radial air gap between the outer surface of its endoporus and rotor; Described rotor core is the open column shape structure of being made by the amorphous iron alloy strip steel rolled stock, has on its inner hole wall that to link keyway, its radially-outer surface and the permanent magnet of usefulness suitable with motor shaft, and permanent magnet is inlayed or is placed in the rotor core outer surface and fixes.Promptly when permanent magnet be hollow cylindrical, when forming the permanent magnet cylinder of many magnetic poles on being magnetized to periphery, the rotor core outer surface is that cylindrical, its external diameter and this permanent magnet barrel bore are suitable, described permanent magnet cylinder directly is placed in the rotor core external fixation; When permanent magnet be the tile section bar shape or ' during the bar shaped entity of V ' shape section, the rotor core outer surface is left equal number and the adaptive axial notch of permanent magnet section configuration, is inlaid in these grooves each permanent magnet fixing.Described axial notch can be a dovetail groove, and correspondingly described permanent magnet has the dovetail structure.
Described permanent magnet is neodymium iron boron high magnetic energy alloy or strontium or barium ferrite.
Described have slotless amorphous iron alloy radially the motor of magnetic circuit be brshless DC motor or alternating current machine.
When the utility model is embodied as AC induction motor, described have slotless amorphous iron alloy radially the motor of magnetic circuit comprise casing, end cap, stator, rotor and motor shaft, end cap is loaded on the casing end and determines the installation site of motor shaft jointly with casing, stator is installed in the casing, rotor is installed on the motor shaft and is arranged in the stator and between the stator radial air gap, motor shaft passes the endoporus of stator, is loaded on rotationally on the definite installation site of casing and end cap; Stator comprises stator core and stator winding, and rotor comprises the mouse cage on rotor core and surface thereof, and rotor core is set on the motor shaft, and described mouse cage is installed in the rotor core outer surface; Especially, described stator core is the cylinder that is wound into by the amorphous iron alloy strip steel rolled stock, this cylinder inner wall is being fixed columnar stator winding, described stator winding inwall is fixed with metal and strengthens lining, and the axial length that this metal is strengthened lining is identical with stator winding, form radial air gap between the outer surface of its inner cylinder face and rotor; Described rotor core is the open column shape structure of being made by the amorphous iron alloy material, have on its inner hole wall that to link the shape of keyway, its radially-outer surface and axial copper bar of described mouse cage or aluminum strip of usefulness adaptive with motor shaft, this copper bar or aluminum strip are embedded in the rotor core outer surface, install by the copper or the aluminium ring at both ends.
In described stator core, first insulation framework can be arranged, the main body of this first insulation framework is a cylindrical shape, one end has the ring-type radial flange, two first identical insulation framework respectively with its do not establish flange an end embed butt joint mutually from the two ends of stator core endoporus, and fix with the stator core inwall, the ring-type radial flange of described two first insulation framework end faces pushes against the both ends at the stator core endoporus; Described stator winding inner chamber has columnar second insulation framework to support and is fixed in wherein, and the axial length of this second insulation framework is identical with stator winding; The inwall of described second insulation framework and metal are strengthened the lining external cylindrical surface and are fixed.The insulation framework structure can be strengthened the stability and the insulation safety of stator winding.
Described stator winding ' is fixed in the stator core endoporus ', can be stator winding directly and the stator core inwall fix, can also be that stator winding is fixed in the first insulation framework inwall, first insulation framework is fixed in the stator core inwall again.Described " fixing " comprises that the use adhesive is adhesively fixed, and the adhesive of the usefulness that is adhesively fixed can be the adhesive that any serviceability temperature is not less than motor maximum temperature rise limit.
The amorphous iron alloy material that stator core uses is the commercially available section bar of being reeled and being formed by the amorphous iron alloy strip steel rolled stock;
Rotor core uses section bar blank that commercially available amorphous iron alloy strip steel rolled stock is wound into through being processed into.
The utility model adopts the section bar that is wound into by the amorphous iron alloy strip steel rolled stock radially magnetic circuit blank as motor stator and rotor.Multi-form according to rotor can constitute inner rotor motor or external rotor electric machine.When the utility model is implemented on external rotor electric machine, the described radially motor of the magnetic circuit motor bearing axle that comprises stator, external rotor and be used to install of slotless amorphous iron alloy that has, external rotor is arranged in outside the stator, comprise casing, end cap and permanent magnet, permanent magnet is fixed in the casing inner wall, end cap is installed in the casing end, and external rotor is rotatably installed on the motor bearing axle; Stator is installed on the motor bearing axle, comprise stator core and stator winding; Especially, described stator core is the open column shape structure of being made by the amorphous iron alloy material, and described stator winding integral body is cylindrical, is fixed on the stator core external cylindrical surface.The stator winding radially-outer surface has the metal reinforcing sleeve, forms radial air gap between the outer cylinder of this metal reinforcing sleeve and the inner surface of rotor; Permanent magnet is the even number strip shape body and is embedded in, or is hollow cylindrical and is directly fixed on casing inner surface.Casing is rolled into or directly makes with steel pipe with steel plate.
Correspondingly, the utility model also provides a kind of manufacturing to have the radially method of the motor of magnetic circuit of slotless amorphous iron alloy, comprises the steps:
A, preparation: select for use hollow cylindrical section bar that the amorphous iron alloy strip steel rolled stock is wound into as stator core and rotor core blank;
B, stator are made: first coiling stator winding then by shaping, forms the needed shape and size of stator winding; And optionally carry out one of following steps:
If the b1 stator winding uses second insulation framework, then second insulation framework is fixed on the stator winding inner cylinder face; Metal is strengthened lining then and the second insulation framework inwall is fixed;
If the b2 stator winding does not use second insulation framework, then the stator winding inner cylinder face is directly fixed with metal reinforcement lining;
In addition, also optionally carry out one of following steps again:
If first insulation framework is arranged in the b3 stator core, then first insulation framework and stator core inwall are fixed, and the stator winding external cylindrical surface and the first insulation framework inwall are fixed, finish stator and make;
If need not first insulation framework in the b4 stator core, then stator winding is directly fixed on the stator core inwall, finish stator and make;
C, rotor are made: process the keyway that links with motor shaft on the hollow cylindrical section bar blank inner hole wall that the amorphous iron alloy strip steel rolled stock as rotor core is wound into, and optionally carry out one of following steps:
C1, when permanent magnet is the hollow cylindrical cylinder, the section bar blank outer surface of rotor core is cylindrical, then directly rotor core is inlaid into described permanent magnet cylinder internal fixation, assembles rotor;
C2, when permanent magnet be even number tile section bar shape or ' during the bar shaped entity of V ' shape section, the rotor core outer surface is left same quantity and the adaptive axial notch of each permanent magnet section configuration, each permanent magnet is inlaid in these axial notches fixing, assembles rotor;
C3, when rotor is mouse cage type structure, process the adaptive axial groove of shape with axial copper bar of described mouse cage or aluminum strip at the rotor core outer surface, the copper bar of this mouse cage or aluminum strip are embedded in the rotor core outer surface, install by the copper or the aluminium ring at both ends;
D, operation routinely with pack into casing and rotor is set on the motor shaft of stator, are finished the making of these two big parts;
E, final assembly: operation routinely, finish the motor final assembly.
The utility model comprises that more a kind of manufacturing has the radially method of the external rotor electric machine of magnetic circuit of slotless amorphous iron alloy, and this method comprises the steps:
A, preparation: select for use hollow cylindrical section bar that the amorphous iron alloy strip steel rolled stock is wound into as stator core;
B, stator are made: process the keyway that links usefulness with the motor bearing axle at the stator core inner surface, the coiling stator winding then by shaping, forms the needed shape and size of stator winding; Stator winding outer cylinder and metal reinforcing sleeve are fixed; Again this stator winding is placed on the stator core outer cylinder fixingly, described stator core is connected with key with the motor bearing axle installs, and this motor bearing axle is loaded onto bearing, finish the stator making;
C, rotor are made: permanent magnet is made the even number strip shape body or made hollow cylindrical, be rolled into or directly use steel pipe as casing with steel plate, process and the permanent magnet shape adapting that will fix at casing inner wall; Permanent magnet is inlaid into casing inner wall fixes, assemble rotor;
The motor final assembly is finished in d, operation routinely.
The beneficial effects of the utility model are: adopt the radially magnetic circuit of amorphous iron alloy material as motor, dwindled motor volume effectively, reduced loss, improved efficient.Adopt simultaneously stator anodontia slotless designs teeth groove difficulty of processing and save man-hour, greatly reduced processing cost, eliminated the slot effect of motor and reduced electromagnetic noise, improved the runnability of motor.Eddy current loss is little, and excellent in high-frequency characteristics and electromagnetic noise are low, efficient is high, and power density is big, it is a kind of energy-saving efficient motor, its electromechanical efficiency can be increased to 97% or higher by 95% of conventional motors, has received beyond thought effect, obtains the coml success easily.
[description of drawings]
Fig. 1 is the overall structure orthographic projection vertical section schematic diagram of the utility model preferred embodiment that " has slotless amorphous iron the alloy radially motor and the process thereof of magnetic circuit ";
Fig. 2 is the structure vertical section schematic diagram of described preferred embodiment rotor 3;
Fig. 3 is the schematic cross-sectional view of described preferred embodiment rotor core 31 and permanent magnet 32 assemblings;
Fig. 4 is the A-A cutaway view of Fig. 3;
Fig. 5 is the vertical section schematic diagram of described preferred embodiment rotor core 31;
Fig. 6 is the left view of Fig. 5;
Fig. 7 is the overall structure schematic cross-sectional view of described preferred embodiment stator 2;
Fig. 8 is that the vertical section schematic diagram is looked on the left side of Fig. 7;
Fig. 9 is the schematic cross-sectional view of stator core 21;
Figure 10 is that the vertical section schematic diagram is looked on the left side of Fig. 9;
Figure 11 is the vertical section schematic diagram of first insulation framework, 23 structures;
The vertical section schematic diagram of stator core 21 structures after two first insulation framework 23 that Figure 12 is bonding.
Figure 13 is the vertical section schematic diagram of second insulation framework, 24 structures;
Figure 14 is the embodiment overall structure orthographic projection vertical section schematic diagram that the utility model is used for external rotor electric machine.
Among the figure: 1 be casing, 2 for stator, 3 for rotor, 4 for end cap, 5 for air gap, 6 for motor shaft, 7 for bearing, 8 for snap ring; In the structure of stator 2,21 is that stator core, 22 is that stator winding, 23 is that first insulation framework, 231 is that (cylindric) main body, 232 is that ring-type radial flange, 24 is that second insulation framework, 25 is that metal is strengthened lining; In the structure of rotor 3,31 is that rotor core, 32 is that permanent magnet, 311 is that groove, 312 is keyway.
In Figure 14 external rotor electric machine overall structure schematic diagram, 2 ' is that stator, 3 ' is that external rotor, 5 ' is that air gap, 6 ' is the motor bearing axle, and 7 ' is bearing; In the structure of stator 2 ', 21 ' is that stator core, 22 ' is that stator winding, 25 ' is the metal reinforcing sleeve; In the structure of rotor 3 ', 31 ' is that casing, 32 ' is that permanent magnet, 33 ' is end cap.
[embodiment]
The utility model is described in further detail below in conjunction with each accompanying drawing.
Referring to accompanying drawing 1, the utility model " has slotless amorphous iron the alloy radially motor and the process thereof of magnetic circuit " provides a kind of slotless electric machines and process thereof of using the amorphous iron alloy material, described have slotless amorphous iron alloy radially the motor of magnetic circuit comprise casing 1, end cap 4, stator 2, rotor 3 and motor shaft 6, end cap 4 be loaded on casing 1 end and with the common installation site of determining motor shaft 6 of casing 1, stator 2 is installed in the casing 1, rotor 3 is installed on the motor shaft 6 and is arranged in the stator 2, and radial air gap 5 is arranged between the stator 2, motor shaft 6 passes stator 2 endoporus, is loaded on rotationally on the installation site that casing 1 and end cap 4 determine; Stator 2 comprises stator core 21 and stator winding 22, and rotor 3 comprises rotor core 31 and permanent magnet 32; Especially, described stator core 21 is the cylinders that are wound into by the amorphous iron alloy strip steel rolled stock, described stator winding 22 integral body are cylindrical, be fixed on stator core 21 inner cylinder faces, stator winding 22 inwalls also are fixed with metal and strengthen lining 25, and the axial length that this metal is strengthened lining 25 and stator winding are 22 identical, formation radial air gap 5 between the outer surface of its endoporus and rotor 3; Described rotor core 31 is open column shape structures of being made by the amorphous iron alloy material, have on its inner hole wall that to link keyway 312, its radially-outer surface and the permanent magnet 32 of usefulness suitable with motor shaft 6, permanent magnet 32 is inlayed or is placed in rotor core 31 outer surfaces and fixes.Promptly working as permanent magnet 32 is hollow cylindricals, when on being magnetized to periphery, forming the permanent magnet cylinder of many magnetic poles, because of the section bar blank outer surface of rotor core 31 is that cylindrical, its external diameter and this permanent magnet barrel bore are suitable, directly described permanent magnet cylinder is placed on the rotor core 31 fixing; When permanent magnet 32 be even number tile section bar shape or ' V ' shape section
During the bar shaped entity, rotor core 31 outer surfaces are left equal number and the adaptive axial notch 311 of each permanent magnet 32 section configurations, are inlaid in these grooves 311 each permanent magnet 32 fixing.
When the utility model is implemented on AC induction motor, described have slotless amorphous iron alloy radially the motor of magnetic circuit comprise casing 1, end cap 4, stator 2, rotor 3 and motor shaft 6, end cap 4 be loaded on casing 1 end and with the common installation site of determining motor shaft 6 of casing 1, stator 2 is installed in the casing 1, rotor 3 be installed on the motor shaft 6 and be arranged in the stator 2, and stator 2 between radial air gap 5 is arranged, motor shaft 6 passes the endoporus of stator 2, is loaded on rotationally on the installation site that casing 1 and end cap 4 determine; Stator 2 comprises stator core 21 and stator winding 22, and rotor 3 comprises the mouse cage on rotor core 31 and surface thereof, and rotor core 31 is set on the motor shaft 6, and described mouse cage is installed in rotor core 31 outer surfaces; Especially, described stator core 21 is the cylinders that are wound into by the amorphous iron alloy strip steel rolled stock, this cylinder inner wall is being fixed columnar stator winding 22, described stator winding 22 inwalls are fixed with metal and strengthen lining 25, and the axial length that this metal is strengthened lining 25 and stator winding are 22 identical, formation radial air gap 5 between the outer surface of its inner cylinder and rotor 3; Described rotor core 31 is open column shape structures of being made by the amorphous iron alloy material, its endoporus has that to link the shape of keyway 312, its radially-outer surface and axial copper bar of described mouse cage or aluminum strip of usefulness adaptive with motor shaft 6, this copper bar or aluminum strip are embedded in rotor core 31 outer surfaces, install by the copper or the aluminium ring at both ends.
In first embodiment of the present utility model, stator winding 22 is directly fixed on described stator core 21 inwalls, and metal is strengthened lining 25 and is directly fixed on stator winding 22 inwalls.
In second embodiment of the present utility model, described stator core 21 inwalls are equipped with first insulation framework 23, the main body 231 of this first insulation framework 23 is cylindrical shapes, one end has ring-type radial flange 232, two first identical insulation framework 23 respectively with its do not establish flange an end embed butt joint mutually from the two ends of stator core 21 endoporus, and fix with stator core 21 inwalls, the ring-type radial flange 232 of described two first insulation framework 23 end faces pushes against the both ends at stator core 21 endoporus; Described stator winding 22 inner chambers have columnar second insulation framework 24 to support and are fixed in wherein, and the axial length of this second insulation framework 24 is identical with stator winding 22; The inwall of described second insulation framework 24 and metal are strengthened lining 25 external cylindrical surfaces and are fixed.In the utility model the various embodiments described above, described have slotless amorphous iron alloy radially the motor of magnetic circuit be brshless DC motor or ac synchronous motor, comprise the motor and the generator of direct current or interchange.。
The utility model can also be an AC induction motor.When the utility model is implemented on AC induction motor, the described radially motor of magnetic circuit of slotless amorphous iron alloy that has, comprise casing 1, end cap 4, stator 2, rotor 3 and motor shaft 6, end cap 4 be loaded on casing 1 end and with the common installation site of determining motor shaft 6 of casing 1, stator 2 is installed in the casing 1, rotor 3 be installed on the motor shaft 6 and be arranged in the stator 2, and stator 2 between radial air gap 5 is arranged, motor shaft 6 passes stator 2, is loaded on rotationally on the installation site that casing 1 and end cap 4 determine; Rotor 3 comprises the mouse cage on rotor core 31 and surface thereof, and rotor core 31 is set on the motor shaft 6, and described mouse cage is installed in rotor core 31 outer surfaces; Especially, described stator core 21 is the cylinders that are wound into by the amorphous iron alloy strip steel rolled stock, this cylinder inner wall is being fixed columnar stator winding 22, described stator winding 22 inwalls are fixed with metal and strengthen lining 25, and the axial length that this metal is strengthened lining 25 and stator winding are 22 identical, formation radial air gap 5 between the outer surface of its inner cylinder and rotor 3; Described rotor core 31 is open column shape structures of being made by the amorphous iron alloy material, its endoporus has that to link the shape of keyway 312, its radially-outer surface and axial copper bar of described mouse cage or aluminum strip of usefulness adaptive with motor shaft 6, this copper bar or aluminum strip are embedded in rotor core (31) outer surface, install by the copper or the aluminium ring at both ends.
In each preferred embodiment of the present utility model, described permanent magnet 32 is bar shapes of even number tile section, rotor core 31 outer surfaces have the axial notch 311 adaptive with permanent magnet 32 section configurations of same quantity, and described each permanent magnet 32 is inlaid in these axial notches 311 fixing.
In each preferred embodiment of the present utility model, described groove 311 is a dovetail groove.
In each embodiment of the present utility model, described permanent magnet 32 is neodymium iron boron high magnetic energy alloy or strontium or barium ferrite.
The utility model adopts the radially magnetic circuit of amorphous iron alloy as motor stator and rotor, and multi-form according to rotor can constitute inner rotor motor or external rotor electric machine.When the utility model is implemented on external rotor electric machine, described have slotless amorphous iron alloy radially the motor of magnetic circuit comprise stator 2 ', rotor 3 ' and the motor bearing axle 6 ' that is used to install, external rotor 3 ' is arranged in outside the stator 2 ', comprise casing 31 ', end cap 33 ' and permanent magnet 32 ', permanent magnet 32 ' is fixed on the casing 31 ' inwall, end cap 33 ' is installed in casing 31 ' end, and external rotor 3 ' is rotatably installed on the motor bearing axle 6 '; Stator 2 ' is installed in motor shaft 6 ' and goes up, comprises stator core 21 ' and stator winding 22 ', especially, described stator core 21 ' is the open column shape structure of being made by the amorphous iron alloy material, and described stator winding 22 ' integral body is cylindrical, is fixed on the stator core 21 ' external cylindrical surface.Stator winding 22 ' radially-outer surface has metal reinforcing sleeve 25 ', forms radial air gap 5 ' between the outer cylinder of this metal reinforcing sleeve 25 ' and the inner surface of rotor 3 '; Permanent magnet 32 ' is the even number strip shape body and is embedded in, or is hollow cylindrical and is directly fixed on casing 31 ' inner surface.Casing 31 ' is rolled into or directly makes with steel pipe with steel plate.
In each embodiment of the present utility model, the adhesive that described " fixing " is to use heatproof to be not less than described electrical machine insulation grade heatproof level is adhesively fixed.
Correspondingly, the utility model also provides a kind of manufacturing to have the radially method of the motor of magnetic circuit of slotless amorphous iron alloy, comprises the steps:
A, preparation: select for use hollow cylindrical section bar that the amorphous iron alloy strip steel rolled stock is wound into as stator core 21 and rotor core 31 blanks;
B, stator are made: first coiling stator winding 22 then by shaping, forms stator winding 22 needed shape and size; And optionally carry out one of following steps:
If b1 stator winding 22 uses second insulation framework 24, then second insulation framework 24 is fixed on stator winding 22 inwalls; Then metal is strengthened lining 25 and second insulation framework 24 is fixing;
If it is b2 stator winding 22 does not use second insulation framework 24, then that stator winding 22 inwalls and metal reinforcement lining 25 are directly fixing;
In addition, also optionally carry out one of following steps again:
If first insulation framework 23 is arranged in the b3 stator core 21, then first insulation framework 23 is fixed with stator core 21 inwalls, and stator winding 22 external cylindrical surfaces and first insulation framework, 23 inwalls are fixed, finish stator and make;
If need not first insulation framework 23 in the b4 stator core 21, then stator winding 22 is directly fixed on stator core 21 inwalls, finish stator and make;
C, rotor are made: process the keyway 312 that links with motor shaft 6 on the hollow cylindrical section bar blank inner hole wall that the amorphous iron alloy strip steel rolled stock as rotor core 31 is wound into, and optionally carry out one of following steps:
C1, when permanent magnet 32 are hollow cylindricals, when on being magnetized to periphery, forming the permanent magnet cylinder of many magnetic poles, because of the section bar blank outer surface of rotor core 31 is cylindrical, then directly rotor core 31 is inlaid into described permanent magnet 32 cylinder internal fixation, assemble rotor;
C2, when permanent magnet 32 be even number tile section bar shape or ' during the bar shaped entity of V ' shape section, rotor core 31 outer surfaces are left same quantity and the adaptive axial notch 311 of permanent magnet 32 section configurations, each permanent magnet 32 is inlaid in these axial notches 311 fixing, assembles rotor;
C3, when rotor adopts mouse cage type structure, process the adaptive axial groove of shape with axial copper bar of described mouse cage or aluminum strip at rotor core 31 outer surfaces, the copper bar of this mouse cage or aluminum strip are embedded in rotor core 31 outer surfaces, install welding by the copper or the aluminium ring at both ends;
D, operation routinely with pack into casing 1 and rotor 3 is set on the motor shaft 6 of stator 2, are finished the making of these two big parts;
E, final assembly: operation routinely, finish the motor final assembly.
For external rotor electric machine, the utility model correspondingly provides a kind of manufacturing to have the radially method of the external rotor electric machine of magnetic circuit of slotless amorphous iron alloy, comprises the steps:
A, preparation: select for use hollow cylindrical section bar that the amorphous iron alloy strip steel rolled stock is wound into as stator core 21 ';
B, stator are made: process keyway, the coiling stator winding 22 ' that links usefulness with motor shaft at stator core 21 ' bore area, then by shaping, form stator winding 22 ' the needed shape and size; Stator winding 22 ' outer cylinder and metal reinforcing sleeve 25 ' is fixing; Stator winding 22 ' is placed on the stator core 21 ' outer cylinder fixing, stator core 21 ' linked with key with motor shaft 6 ' installs, and motor shaft 6 ' is loaded onto bearing 7 ', finish stator and make;
C, rotor make: permanent magnet 32 ' is made the even number strip shape body or made hollow cylindrical, be rolled into or directly make casing 31 ' with steel pipe with steel plate, process and the permanent magnet 32 ' shape adapting that will fix at casing 31 ' inwall; Permanent magnet 32 ' is inlaid in the casing 31 ' inwall fixing, assembles rotor;
The motor final assembly is finished in d, operation routinely.
A kind of manufacturing has radially another preferred embodiment of the method for the motor of magnetic circuit of slotless amorphous iron alloy as the utility model, bag
Draw together following steps:
A, preparation: the satisfactory respectively hollow cylindrical section bar that is wound into the amorphous iron alloy strip steel rolled stock of preferred dimension is as stator core 21 and rotor core 31 blanks;
B, stator make: use self-binding enamel wire coiling stator winding 22 earlier on winding former, by the sizing die shaping and according to the typing of heating of the self-binding enamel wire standard of heating, obtain stator winding 22 needed drum and sizes then; In sizing die, stator winding 22 inner cylinder faces and metal reinforcement lining 25 are sticked with glue the moulding of agent adhering and solidifying; Sticking with glue agent again with stator winding 22 external cylindrical surfaces and stator core 21 inner cylinder face adhering and solidifying, is 60-100 degree centigrade in temperature then, and the time is that the baking typing is finished stator and made under 2--3 hour condition;
C, rotor are made: process the keyway 312 of the rotor core 31 that links with motor shaft 6 at the hollow cylindrical section bar inwall that the amorphous iron alloy strip steel rolled stock as iron core 31 is wound into, and optionally carry out one of following steps:
C1, when permanent magnet 32 are hollow cylindricals, when on being magnetized to periphery, forming the permanent magnet cylinder of many magnetic poles, because of the section bar blank outer surface of rotor core 31 is that cylindrical, its external diameter and this permanent magnet barrel bore are adaptive, rotor core 31 directly is inlaid into bonding curing in the described permanent magnet cylinder, assemble rotor, is 60-100 degree centigrade with it in temperature, and the time is baking typing under 2--3 hour condition;
C2, when permanent magnet 32 be even number tile section bar shape or ' during the bar shaped entity of V ' shape section, rotor core 31 outer surfaces are left same quantity and the adaptive axial notch 311 of permanent magnet 32 section configurations, be inlaid in these axial notches 311 each permanent magnet 32 fixing, assemble rotor and be 60-100 degree centigrade with rotor in temperature, the time is baking typing under 2--3 hour condition;
C3, when rotor adopts mouse cage type structure, process the adaptive axial groove of shape with axial copper bar of described mouse cage or aluminum strip at rotor core 31 outer surfaces, the copper bar of this mouse cage or aluminum strip are embedded in rotor core 31 outer surfaces, install welding by the copper or the aluminium ring at both ends, assemble rotor;
D, operation routinely with pack into casing 1 and rotor 3 is set on the motor shaft 6 of stator 2, are finished the making of these two big parts;
E, final assembly: operation routinely, finish the motor final assembly.
As the utility model preferred embodiment again, a kind of manufacturing has the radially method of the motor of magnetic circuit of slotless amorphous iron alloy, comprises the steps:
A, preparation: select that commercially available, size is satisfactory respectively reels the hollow cylindrical section bar made as stator core 21 and rotor core 31 blanks with the amorphous iron alloy strip steel rolled stock for use;
B, stator make: use self-binding enamel wire coiling stator winding 22 earlier on winding former, by the sizing die shaping and according to the typing of heating of the self-binding enamel wire standard of heating, obtain stator winding 22 needed drum and sizes then; In sizing die, second insulation framework 24 is sticked with glue agent again and be adhered to stator winding 22 inner cylinder face curing moldings, in sizing die, metal is strengthened lining 25 then and second insulation framework, 24 inwalls stick with glue the bonding curing molding of agent, then two first identical insulation framework 23 are embedded butt joint mutually with the end that it does not establish flange 232 respectively from stator core 21 endoporus two ends, and sticking with glue the bonding curing molding of agent with stator core 21 inwalls, the collar flange 232 of described two first insulation framework, 23 end faces pushes against the both ends at stator core 21 endoporus; To stick with glue that agent is bonding solidifies in described stator core 21 inwalls by the stator winding assembly 22,24,25 that above-mentioned steps is made, at last whole stator 2 being placed on temperature is 60-100 degree centigrade, and the time is that the baking typing is finished stator and made under 2--3 hour condition;
C, rotor are made: process the keyway 312 of the rotor core 31 that links with motor shaft 6 at the inwall of the hollow cylindrical section bar blank of making as the amorphous iron alloy material of iron core 31, and optionally carry out one of following steps:
C1, when permanent magnet 32 are hollow cylindricals, when on being magnetized to the face of cylinder, forming the permanent magnet cylinder of many magnetic poles, because of the section bar blank outer surface of rotor core 31 is that cylindrical, its external diameter and this permanent magnet barrel bore are adaptive, rotor core 31 directly is inlaid into bonding curing in the described permanent magnet cylinder, assemble rotor, and be 60-100 degree centigrade with rotor in temperature, the time is baking typing under 2--3 hour condition;
C2, when permanent magnet 32 be even number tile section bar shape or ' during the bar shaped entity of V ' shape section, rotor core 31 outer surfaces are left same quantity and the adaptive axial notch 311 of permanent magnet 32 section configurations, each permanent magnet 32 is inlaid into bonding curing in these axial notches 311, assemble rotor, and be 60-100 degree centigrade with rotor in temperature, the time is baking typing under 2--3 hour condition;
C3, when rotor adopts mouse cage type structure, process the adaptive axial groove of shape with axial copper bar of described mouse cage or aluminum strip at rotor core 31 outer surfaces, the copper bar of this mouse cage or aluminum strip are embedded in rotor core 31 outer surfaces, install by the copper or the aluminium ring at both ends, assemble rotor;
D, operation routinely with pack into casing 1 and rotor 3 is set on the motor shaft 6 of stator 2, are finished the making of these two big parts;
E, final assembly: operation routinely, finish the motor final assembly.
In each embodiment of the utility model, section bar and section bar blank that the nanometer iron-based amorphous iron alloy strip steel rolled stock that the amorphous iron alloy material that described stator core 21 and rotor core 31 use adopts Chinese safe and sound company to produce is reeled and produced.
In each embodiment of the utility model, the bonding employed adhesive that bonding and rotor core 31 in the described stator 2 between each parts and permanent magnet are 32 is the adhesive that heatproof is not less than described electrical machine insulation grade heatproof level.The trade mark that each embodiment of the utility model has used U.S. Henkel Corp. to produce is spent as the resin of ESP110 and the high strength, high temperature resistant 200 of Lang Bowan company production, bi-component 3034A, and 3034B epoxy resin, bonding operation is undertaken by the requirement of relevant adhesive.
Claims (5)
1. one kind has the radially motor of magnetic circuit of slotless amorphous iron alloy, comprise casing (1), end cap (4), stator (2), rotor (3) and motor shaft (6), end cap (4) is loaded on casing (1) end and determines the installation site of motor shaft (6) jointly with casing (1), stator (2) is installed in the casing (1), rotor (3) be installed in motor shaft (6) go up and be arranged in the stator (2), and stator (2) between radial air gap (5) is arranged, motor shaft (6) passes stator (2) endoporus, is loaded on rotationally on the definite installation site of casing (1) and end cap (4); Stator (2) comprises stator core (21) and stator winding (22), and rotor (3) comprises rotor core (31) and permanent magnet (32), it is characterized in that:
Described stator core (21) is the cylinder that is wound into by the amorphous iron alloy strip steel rolled stock, described stator winding (22) is whole cylindrical, be fixed on stator core (21) inner cylinder face, stator winding (22) inwall also is fixed with metal and strengthens lining (25), and the axial length that this metal is strengthened lining (25) is identical with stator winding (22), form radial air gap (5) between the outer surface of its endoporus and rotor (3); Described rotor core (31) is the open column shape structure of being made by the amorphous iron alloy material, have on its inner hole wall that to link keyway (312), its radially-outer surface and the permanent magnet (32) of usefulness suitable with motor shaft (6), permanent magnet (32) is inlayed or is placed in rotor core (31) outer surface and fixes.
2. one kind has the radially motor of magnetic circuit of slotless amorphous iron alloy, comprise casing (1), end cap (4), stator (2), rotor (3) and motor shaft (6), end cap (4) is loaded on casing (1) end and determines the installation site of motor shaft (6) jointly with casing (1), stator (2) is installed in the casing (1), rotor (3) be installed in motor shaft (6) go up and be arranged in the stator (2), and stator (2) between radial air gap (5) is arranged, motor shaft (6) passes stator (2) endoporus, is loaded on rotationally on the definite installation site of casing (1) and end cap (4); Stator (2) comprises stator core (21) and stator winding (22), rotor (3) comprises the mouse cage on rotor core (31) and surface thereof, and rotor core (31) is set on the motor shaft (6), and described mouse cage is installed in rotor core (31) outer surface, be assembled into AC induction motor, it is characterized in that:
Described stator core (21) is the cylinder that is wound into by the amorphous iron alloy strip steel rolled stock, this cylinder inner wall is being fixed columnar stator winding (22), described stator winding (22) inwall is fixed with metal and strengthens lining (25), and the axial length that this metal is strengthened lining (25) is identical with stator winding (22), form radial air gap (5) between the outer surface of its inner cylinder face and rotor (3); Described rotor core (31) is the open column shape structure of being made by the amorphous iron alloy material, have on its inner hole wall that to link the shape of keyway (312), its radially-outer surface and axial copper bar of described mouse cage or aluminum strip of usefulness adaptive with motor shaft (6), this copper bar or aluminum strip are embedded in rotor core (31) outer surface, install by the copper or the aluminium ring at both ends.
3. one kind has the radially motor of magnetic circuit of slotless amorphous iron alloy, comprise stator (2 '), external rotor (3 ') and the motor bearing axle (6 ') that is used to install, external rotor (3 ') be arranged in stator (2 ') outer, comprise casing (31 '), end cap (33 ') and permanent magnet (32 '), permanent magnet (32 ') is fixed on casing (the 31 ') inwall, end cap (33 ') is installed in casing (31 ') end, and external rotor (3 ') is rotatably installed on the motor bearing axle (6 '); Stator (2 ') is installed in motor bearing axle (6 ') and goes up, comprises stator core (21 ') and stator winding (22 '), it is characterized in that:
Described stator core (21 ') is the open column shape structure of being made by the amorphous iron alloy material, described stator winding (22 ') is whole cylindrical, be fixed on stator core (the 21 ') external cylindrical surface, stator winding (22 ') radially-outer surface has metal reinforcing sleeve (25 '), forms radial air gap (5 ') between the inner surface of the outer cylinder of this metal reinforcing sleeve (25 ') and external rotor (3 '); Permanent magnet (32 ') is the even number strip shape body and is embedded in, or is hollow cylindrical and is directly fixed on casing (31 ') inner surface.
4. the radially motor of magnetic circuit of slotless amorphous iron alloy that has according to claim 1 and 2, it is characterized in that: described stator core (21) inwall is equipped with first insulation framework (23), the main body (231) of this first insulation framework (23) is a cylindrical shape, one end has ring-type radial flange (232), two identical first insulation framework (23) are not established the two ends embedding mutually butt joint of an end of flange from stator core (21) endoporus with it respectively, and fix with stator core (21) inwall, the ring-type radial flange (232) of described two first insulation framework (23) end face pushes against the both ends at stator core (21) endoporus; Described stator winding (22) inner chamber has columnar second insulation framework (24) to support and is fixed in wherein, and the axial length of this second insulation framework (24) is identical with stator winding (22); The inwall of described second insulation framework (24) and metal are strengthened lining (25) external cylindrical surface and are fixed.
5. according to claim 1 or the 3 described radially motors of magnetic circuit of slotless amorphous iron alloy that have, it is characterized in that: described have slotless amorphous iron alloy radially the motor of magnetic circuit comprise brshless DC motor and ac synchronous motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202719454U CN201742177U (en) | 2010-07-26 | 2010-07-26 | Electric machine with a non-slot amorphous ferroalloy radial magnetic circuit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202719454U CN201742177U (en) | 2010-07-26 | 2010-07-26 | Electric machine with a non-slot amorphous ferroalloy radial magnetic circuit |
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| CN201742177U true CN201742177U (en) | 2011-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010202719454U Expired - Fee Related CN201742177U (en) | 2010-07-26 | 2010-07-26 | Electric machine with a non-slot amorphous ferroalloy radial magnetic circuit |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012012925A1 (en) * | 2010-07-26 | 2012-02-02 | 深圳华任兴科技有限公司 | Slotless amorphous ferroalloy motor with radial magnetic circuit and manufacturing method thereof |
| CN102739001A (en) * | 2011-04-14 | 2012-10-17 | 东莞市毅瑞得电机有限公司 | Slotless micromotor with high efficiency |
| ES2405849R1 (en) * | 2011-11-29 | 2013-10-28 | Acciona Windpower Sa | ELECTRIC GENERATOR AND AEROGENERATOR THAT UNDERSTAND SUCH ELECTRIC GENERATOR |
| CN111478474A (en) * | 2020-06-01 | 2020-07-31 | 苏州英磁新能源科技有限公司 | Motor rotor for radial cylinder type permanent magnet synchronous motor and preparation method thereof |
-
2010
- 2010-07-26 CN CN2010202719454U patent/CN201742177U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012012925A1 (en) * | 2010-07-26 | 2012-02-02 | 深圳华任兴科技有限公司 | Slotless amorphous ferroalloy motor with radial magnetic circuit and manufacturing method thereof |
| CN102739001A (en) * | 2011-04-14 | 2012-10-17 | 东莞市毅瑞得电机有限公司 | Slotless micromotor with high efficiency |
| ES2405849R1 (en) * | 2011-11-29 | 2013-10-28 | Acciona Windpower Sa | ELECTRIC GENERATOR AND AEROGENERATOR THAT UNDERSTAND SUCH ELECTRIC GENERATOR |
| CN111478474A (en) * | 2020-06-01 | 2020-07-31 | 苏州英磁新能源科技有限公司 | Motor rotor for radial cylinder type permanent magnet synchronous motor and preparation method thereof |
| CN111478474B (en) * | 2020-06-01 | 2022-11-15 | 苏州英磁新能源科技有限公司 | Motor rotor for radial cylinder type permanent magnet synchronous motor and preparation method thereof |
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| CF01 | Termination of patent right due to non-payment of annual fee |
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| CF01 | Termination of patent right due to non-payment of annual fee |