CN208190359U - Stator core and rotating electric machine - Google Patents
Stator core and rotating electric machine Download PDFInfo
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- CN208190359U CN208190359U CN201820821757.0U CN201820821757U CN208190359U CN 208190359 U CN208190359 U CN 208190359U CN 201820821757 U CN201820821757 U CN 201820821757U CN 208190359 U CN208190359 U CN 208190359U
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Abstract
The utility model proposes a kind of stator core and rotating electric machines, wherein, stator core includes: the stator punching of multiple stackings, stator punching includes circumferentially distributed multiple stator tooths, two adjacent stator tooths, which enclose, to be set to form stator slot, stator tooth radially successively includes teeth portion and tooth boot portion from outside to inside, multiple tooth boot portions, which are enclosed, sets the centre bore to form stator punching, gap between two adjacent tooth boot portions limits the notch of corresponding stator slot, wherein, the stator punching of multiple stackings includes at least two first stator punchings and at least two second stator punchings, auxiliary tank is offered on the inner wall of at least one upper tooth boot portion of first stator punching, the second stator punching is arranged at least one end of stator core.By the technical solution of the utility model, the lowest spatial order component of radial electromagnetic force wave is reduced, to achieve the purpose that reduce the vibration noise of motor.
Description
Technical field
The utility model relates to motor fields, in particular to a kind of stator core and a kind of rotating electric machine.
Background technique
In the related technology, motor is widely used in motor-driven various productions as important energy conversion device
In mechanical and equipment, rotating electric machine includes motor stator and rotor, and the rotor of setting within the compressor is general
Using cantilever design, due in rotor installation process, needing through the toolings tune such as clearance gauge only by unilateral bearing support
Whole air gap.
In order to reduce Gas-gap Magnetic Field Resonance Wave, rotor outer circle arc is provided off structure, then makes periphery and the stator of rotor
Inner circumferential between corresponding relationship be point-to-area relationship, cause to be difficult to adjust air gap precision.
Utility model content
At least one in order to solve the above-mentioned technical problem, one of the utility model is designed to provide a kind of stator iron
Core.
Another of the utility model is designed to provide a kind of rotating electric machine.
To achieve the goals above, the embodiment of the utility model first aspect proposes a kind of stator core, comprising: more
The stator punching of a stacking, stator punching include circumferentially distributed multiple stator tooths, and two adjacent stator tooths, which enclose, to be set to be formed
Stator slot, stator tooth include successively from outside to inside radially teeth portion and tooth boot portion, and multiple tooth boot portions, which are enclosed, to be set to form stator punching
Centre bore, the gap between two adjacent tooth boot portions limit the notch of corresponding stator slot, wherein the stator of multiple stackings
Punching includes at least two first stator punchings and at least two second stator punchings, at least one upper of the first stator punching
Auxiliary tank is offered on the inner wall of tooth boot portion, the second stator punching is arranged at least one end of stator core.
In the technical scheme, by the multiple stator punchings for being used to laminate be set as include at least two forms stator rush
Piece, wherein offer auxiliary tank on the side wall of the tooth boot portion of the first stator punching, and do not opened in the tooth boot portion of the second stator punching
If auxiliary tank, on the one hand, since the vibration deformation that radial component generates stator core is the main source of electromagnetic noise, pass through
Auxiliary tank is opened up in partial stator punching, even if the corresponding relationship between the periphery of rotor and the inner circumferential of motor stator
When being point-to-area, remain to reduce the deformation of stator core, in turn by improving stator slot to improve the order of radial electromagnetic force wave
The lowest spatial order component of radial electromagnetic force wave is reduced, to achieve the purpose that reduce the vibration noise of motor.
On the other hand, by the way that the second stator punching is arranged at least one end of stator core, stator core can be made and matched
The correspondence between the face of face is realized between the rotor of conjunction to greatest extent, to be conducive to using the toolings such as clearance gauge adjustment gas, in turn
The concentricity between stator core and rotor is promoted, to achieve the purpose that adjust air gap precision and reduce electromagnetic noise.
It is understood that the stator punching as the same stator core, the first stator punching and the second stator punching
Shape it is identical as size, sole difference be whether offer auxiliary tank.
It will also be appreciated that on the first stator punching, it can be and open up auxiliary tank in the tooth boot portion of part, it can also be with
Auxiliary tank is opened up in whole tooth boot portions, an auxiliary tank can be opened up in each tooth boot portion, can also be opened up multiple auxiliary
Help slot.
Wherein, the quantity of stator tooth can be 6,9 or 12 etc..
In addition, the stator core in above-described embodiment provided by the utility model can also have following supplementary technology special
Sign:
In the above-mentioned technical solutions, it is preferable that at least one end of stator core is provided with the second stator punching.
In the technical scheme, the second stator punching is set as by least one end in stator core, to facilitate clearance gauge
Adjust air gap precision.
In the above-mentioned technical solutions, it is preferable that the inner wall of each tooth boot portion on the first stator punching correspondence offers
One auxiliary tank.
In the technical scheme, an auxiliary tank is opened up by corresponding in each tooth boot portion, on the one hand, can be realized auxiliary
It helps the circumferential direction of slot uniformly distributed, to reduce the probability of low order Reeb generation, on the other hand, and opens up multiple auxiliary in each tooth boot portion
The scheme of slot is compared, and on the basis of meeting to stator slot improvement demand, process is simpler.
In any of the above-described technical solution, it is preferable that stator tooth is symmetrical structure, for the auxiliary tank on each stator tooth
Symmetrical center line relative to stator tooth is symmetrical arranged.
In the technical scheme, symmetrical center line is all had for each stator tooth, stator tooth is configured to axial symmetry
Auxiliary tank is configured to relative to the symmetrical axis of symmetrical centre by structure by the way that auxiliary tank to be provided in symmetrical center line
Symmetrical structure, on the one hand, be conducive to make the tactical ruleization of auxiliary tank to be arranged, to promote auxiliary tank to the auxiliary function of stator slot
Can, improve the fitness of slot, on the other hand, be also able to ascend auxiliary tank preparation convenience,
In any of the above-described technical solution, it is preferable that auxiliary tank semi-circular groove, rectangular slot, dovetail groove and vee gutter
In any one or any two kinds of combination.
In the technical scheme, by limiting the shape of auxiliary tank, it is convenient on the one hand can to guarantee to prepare, on the other hand,
Than being able to ascend the efficiency for weakening tooth socket pulsation using being compared before auxiliary tank after the auxiliary tank of the above structure of use.
Preferably, auxiliary tank is radially formed by trapezoidal combine with rectangle from outside to inside, and uses in angle
Round-corner transition.
In any of the above-described technical solution, it is preferable that the width of notch is W1, and the radial width of tooth boot portion is H1, auxiliary
The width of slot is W2, and the radial depth capacity of auxiliary tank is H2, wherein 0.9
In the technical scheme, by limiting the ratio range of W2 and W1 and the ratio range of H2 and H1, on the one hand,
The optimization of the size of auxiliary tank is realized, to reduce the lowest spatial order component of radial electromagnetic force wave, another party to greatest extent
Face can also prevent auxiliary tank since the air gap of radial dimension and the excessive generation of width dimensions is excessive, with the increasing of caused magnetic resistance
Add and influences motor operation efficiency.
As a preferred embodiment, W2 is identical as W1, H2 is identical as H1.
In any of the above-described technical solution, it is preferable that the both ends of stator core are respectively arranged with the second stator punching；Second
Quantity of the quantity of stator punching less than the first stator punching.
In the technical scheme, the embodiment being specifically superimposed as one kind, on the one hand, equal at the both ends of stator core
Stator punching is set, to promote the convenient degree for adjusting air gap using the toolings such as clearance gauge, on the other hand, by by the second stator punching
Quantity be set smaller than the quantity of the first stator punching, taken up space with promoting auxiliary tank, and reach raising radial electromagnetic force
The purpose of the order of wave.
Wherein, as a kind of preferably limit embodiment, the second stator punching only can be set by both ends, inside is
Multiple first stator punchings are continuously superimposed, and the auxiliary tank on the first stator punching being continuously superimposed corresponds to one by one, to form axial direction
The auxiliary through slot of extension, to achieve the purpose that the air gap precision for promoting the auxiliary of auxiliary tank is adjusted.
As another real-time mode, the first stator punching and the second stator punching random superposition, as long as realizing that both ends are set
It is set to quantity of the quantity less than the first stator punching of the second stator punching and the second stator punching.
In any of the above-described technical solution, it is preferable that the first stator punching and the second stator punching are alternately stacked setting；The
The number differences of one stator punching and the second stator punching are 1.
In the technical scheme, the embodiment being specifically superimposed as another kind, the first stator punching and the second stator
Punching is alternately stacked setting, and the number differences of the first stator punching and the second stator punching are limited to 1, i.e. the second stator punching
The quantity of piece than the first stator punching quantity more than 1, on the one hand, realize the both ends of stator core be respectively provided with stator punching
On the other hand piece, is also beneficial to reduce radial force lowest spatial rank to promote the convenient degree for adjusting air gap using toolings such as clearance gauges
Component of degree n n.
In any of the above-described technical solution, it is preferable that multiple first stator punchings, which continuously stack, forms the first punch fragment, more
A second stator punching, which continuously stacks, forms the second punch fragment, and multiple first punch fragments are alternately stacked with multiple second punch fragments and set
It sets, wherein for the first punch fragment, the multiple auxiliary tank structures being correspondingly arranged set to form axial pass trough.
In the technical scheme, multiple first stator punchings are superimposed to form the first punch fragment, in the first punching
Multiple circumferentially distributed connection auxiliary tanks are formed on the inner wall of the centre bore of segment, and multiple second stator punchings are superimposed upon one
It rises and forms the second punch fragment, at least one first punch fragment is then subjected to docking at least one punch fragment and is superimposed, same energy
Enough achieve the purpose that the vibration noise for reducing motor.
As a kind of specific real-time mode, the second punch fragment is arranged in both ends, the first punch fragment is set in centre, so that
The both ends of stator core are respectively provided with stator punching, wherein the quantity that can be set to the second stator punching is rushed less than the first stator
The quantity of piece.
The embodiment of the utility model second aspect proposes a kind of rotating electric machine, comprising: the utility model first aspect
The technical solution stator core proposed and the winding that is set around on stator core；Rotor, the centre bore with motor stator
It is arranged assembling.
In the technical scheme, the stator iron constructed in the technical solution by using the utility model first aspect
Core, due to opening up auxiliary tank on partial stator iron core, since the vibration deformation that radial component generates stator core is electromagnetism
The main source of noise, by opening up auxiliary tank in partial stator punching, by improving stator slot to improve radial electromagnetism
The order of Reeb reduces the deformation of stator core, and then reduces the lowest spatial order component of radial electromagnetic force wave, to reach drop
The purpose of the vibration noise of low motor.
In the above-mentioned technical solutions, it is preferable that rotor cross section profile perpendicular to the axis is by a plurality of opposite centre bore
Circumferentially head and the tail connecting structure is formed for eccentric eccentric arc and the isocentric circular arc concentric with centre bore.
In the technical scheme, in order to reduce Gas-gap Magnetic Field Resonance Wave, by rotor cross section profile perpendicular to the axis by
Circumferentially head and the tail connecting structure is formed the circular arc and the circular arc concentric with centre bore of a plurality of opposite centre bore bias, on the one hand,
In conjunction with the setting of auxiliary tank, be conducive to further decrease Gas-gap Magnetic Field Resonance Wave, on the other hand, by least the one of stator core
The second stator punching of end setting, can make to realize that face face is corresponding between stator core and the outer wall of rotor to greatest extent, from
And be conducive to using the toolings such as clearance gauge adjustment gas, and then promote the concentricity between stator core and rotor, to reach adjustment
Air gap precision and the purpose for reducing electromagnetic noise.
The additional aspect and advantage of the utility model will become obviously in following description section, or practical new by this
The practice of type is recognized.
Detailed description of the invention
The above-mentioned and/or additional aspect and advantage of the utility model from the description of the embodiment in conjunction with the following figures will
Become obvious and be readily appreciated that, in which:
Fig. 1 shows the schematic perspective view of the stator core of one embodiment according to the present utility model；
Fig. 2 shows the planar structure schematic diagrams of the stator core of one embodiment according to the present utility model；
Fig. 3 shows the planar structure schematic diagram of first stator punching of one embodiment according to the present utility model；
Fig. 4 shows the schematic perspective view of first stator punching of one embodiment according to the present utility model；
Fig. 5 shows the planar structure schematic diagram of second stator punching of one embodiment according to the present utility model；
Fig. 6 shows the schematic perspective view of second stator punching of one embodiment according to the present utility model；
Fig. 7 shows the planar structure schematic diagram of the rotating electric machine of one embodiment according to the present utility model；
Fig. 8 shows the planar structure schematic diagram of the rotor of one embodiment according to the present utility model.
Wherein, corresponding relationship of the Fig. 1 into Fig. 8 between appended drawing reference and component names are as follows:
10 stator cores, 102 first stator punchings, 104 second stator punchings, 1,022 first stator teeths, 1,024 first
Stator tooth boot portion, 1026 auxiliary tanks, 1,042 second stator teeths, 1,044 second stator tooth boot portions, 20 rotors, 202 with one heart
Circular arc, 204 eccentric arcs, 206 magnetic slots, 208 axis holes.
Specific embodiment
In order to be more clearly understood that the above objects, features, and advantages of the utility model, with reference to the accompanying drawing and have
The utility model is further described in detail in body embodiment.It should be noted that in the absence of conflict, this Shen
The feature in embodiment and embodiment please can be combined with each other.
Many details are explained in the following description in order to fully understand the utility model, still, this is practical
Novel to be implemented using other than the one described here other modes, therefore, the protection scope of the utility model is simultaneously
It is not limited by the specific embodiments disclosed below.
Referring to Fig. 1 to Fig. 6 description according to the stator core 10 of some embodiments of the utility model.
As shown in Figures 1 and 2, the stator core 10 of embodiment according to the present utility model, comprising: the stator of multiple stackings
Punching, stator punching include circumferentially distributed multiple stator tooths, and two adjacent stator tooths, which enclose, to be set to form stator slot, stator tooth
It include successively from outside to inside radially teeth portion and tooth boot portion, multiple tooth boot portions, which are enclosed, sets the centre bore to form stator punching, adjacent
Gap between two tooth boot portions limits the notch of corresponding stator slot, wherein the stator punching of multiple stackings includes at least
Two the first stator punchings 102 and at least two second stator punchings 104, at least one upper tooth of the first stator punching 102
Auxiliary tank 1026 is offered on the inner wall in boots portion.
As shown in Figure 3 and Figure 4, the stator tooth of the first stator punching 102 radially successively includes the first stator from outside to inside
Teeth portion 1022 and the first stator tooth boot portion 1024.
As shown in figs. 5 and 6, the stator tooth of the second stator punching 104 radially successively includes the second stator from outside to inside
Teeth portion 1042 and the second stator tooth boot portion 1044.
The second stator punching 104 is arranged at least one end of stator core 10.
In this embodiment, by the multiple stator punchings for being used to laminate be set as include at least two forms stator rush
Piece, wherein offer auxiliary tank 1026 on the side wall of the tooth boot portion of the first stator punching 102, and the tooth of the second stator punching 104
Auxiliary tank 1026 is not opened up in boots portion, on the one hand, since the vibration deformation that radial component generates stator core 10 is that electromagnetism is made an uproar
The main source of sound, by opening up auxiliary tank 1026 in partial stator punching, even if periphery and motor in rotor 20
When corresponding relationship between the inner circumferential of stator 10 is point-to-area, remain to by improving stator slot to improve the rank of radial electromagnetic force wave
It is secondary, reduce the deformation of stator core, and then reduce the lowest spatial order component of radial electromagnetic force wave, reduces motor to reach
The purpose of vibration noise.
On the other hand, by the way that the second stator punching 104 is arranged at least one end of stator core 10, stator core can be made
Realized to greatest extent between 10 and the rotor of cooperation it is corresponding between the face of face, to be conducive to using the toolings adjustment gas such as clearance gauge
Body, and then the concentricity between stator core 10 and rotor is promoted, to reach adjustment air gap precision and reduce electromagnetic noise
Purpose.
It is understood that the stator punching as the same stator core 10, the first stator punching 102 and the second stator
The shape of punching 104 is identical as size, and sole difference is whether to offer auxiliary tank 1026.
It will also be appreciated that can be on the first stator punching 102 and open up auxiliary tank in the tooth boot portion of part
1026, auxiliary tank 1026 can also be opened up in whole tooth boot portions, an auxiliary tank can be opened up in each tooth boot portion
1026, multiple auxiliary tanks 1026 can also be opened up.
Wherein, the quantity of stator tooth can be 6,9 or 12 etc..
In the above embodiment, it is preferable that at least one end of stator core is provided with the second stator punching.
In this embodiment, the second stator punching is set as by least one end in stator core, to facilitate clearance gauge tune
Air gap precision.
In the above embodiment, it is preferable that the inner wall of each tooth boot portion on the first stator punching 102 correspondence offers
One auxiliary tank 1026.
In this embodiment, an auxiliary tank 1026 is opened up by corresponding in each tooth boot portion, on the one hand, can be realized
The circumferential direction of auxiliary tank 1026 is uniformly distributed, on the other hand, more with opening up in each tooth boot portion to reduce the probability of low order Reeb generation
The scheme of a auxiliary tank 1026 is compared, and on the basis of meeting to stator slot improvement demand, process is simpler.
In any of the above-described embodiment, it is preferable that stator tooth is symmetrical structure, for the auxiliary tank on each stator tooth
1026 relative to stator tooth symmetrical center line be symmetrical arranged.
In this embodiment, symmetrical center line is all had for each stator tooth, stator tooth is configured to axial symmetry knot
Auxiliary tank 1026 is configured to relative to symmetrical center line pair by structure by the way that auxiliary tank 1026 to be provided in symmetrical center line
The axially symmetric structure of title, on the one hand, be conducive to make the tactical ruleization of auxiliary tank 1026 to be arranged, to promote auxiliary tank 1026 to fixed
The miscellaneous function of pilot trench improves the fitness of slot, on the other hand, be also able to ascend auxiliary tank 1026 preparation convenience,
In any of the above-described embodiment, it is preferable that 1026 semi-circular groove of auxiliary tank, rectangular slot, dovetail groove and triangle
Any one in slot or any two kinds of combination.
In this embodiment, by limiting the shape of auxiliary tank 1026, it on the one hand can guarantee that preparation is convenient, another party
Face, than being able to ascend and weakening tooth socket arteries and veins using being compared before auxiliary tank 1026 after the auxiliary tank 1026 of the above structure of use
Dynamic efficiency.
Preferably, auxiliary tank 1026 is radially formed by trapezoidal combine with rectangle from outside to inside, and is adopted in angle
With rounded corner transition.
In any of the above-described embodiment, it is preferable that the width of notch is W1, and the radial width of tooth boot portion is H1, auxiliary tank 1026
Width be W2, the radial depth capacity of auxiliary tank 1026 is H2, wherein
In this embodiment, by limiting the ratio range of W2 and W1 and the ratio range of H2 and H1, on the one hand, real
Show the optimization of the size of auxiliary tank 1026, it is another to reduce the lowest spatial order component of radial electromagnetic force wave to greatest extent
Aspect can also prevent auxiliary tank 1026 since the air gap of radial dimension and the excessive generation of width dimensions is excessive, with caused
Magnetic resistance increases and influences motor operation efficiency.
As a preferred embodiment, W2 is identical as W1, H2 is identical as H1.
The corresponding basis for offering an auxiliary tank 1026 of the inner wall of each tooth boot portion on the first stator punching 102
On, stator punching has following a variety of stacked systems.
Embodiment one:
In any of the above-described embodiment, it is preferable that the both ends of stator core 10 are respectively arranged with the second stator punching 104；
Quantity of the quantity of second stator punching 104 less than the first stator punching 102.
In this embodiment, the embodiment being specifically superimposed as one kind, on the one hand, equal at the both ends of stator core 10
Stator punching is set, to promote the convenient degree for adjusting air gap using the toolings such as clearance gauge, on the other hand, by by the second stator punching
104 quantity is set smaller than the quantity of the first stator punching 102, is taken up space with promoting auxiliary tank 1026, and reach raising
The purpose of the order of radial electromagnetic force wave.
Embodiment two:
Wherein, as a kind of preferably limit embodiment, the second stator punching 104 only can be set by both ends, it is interior
Portion is that continuously superposition, the auxiliary tank 1026 on the first stator punching 102 being continuously superimposed are right one by one for multiple first stator punchings 102
It answers, to form axially extending auxiliary through slot, to achieve the purpose that the air gap precision for promoting the auxiliary of auxiliary tank 1026 is adjusted.
As another real-time mode, 104 random superposition of the first stator punching 102 and the second stator punching, as long as realizing
Both ends are set as quantity of the quantity less than the first stator punching 102 of the second stator punching 104 and the second stator punching 104
?.
Embodiment three:
As shown in Figure 1, in any of the above-described embodiment, it is preferable that the first stator punching 102 and the second stator punching 104
It is alternately stacked setting；The number differences of first stator punching 102 and the second stator punching 104 are 1.
In this embodiment, the embodiment being specifically superimposed as another kind, the first stator punching 102 and the second stator
Punching 104 is alternately stacked setting, and the number differences of the first stator punching 102 and the second stator punching 104 are limited to 1, i.e.,
The quantity of second stator punching 104 than the first stator punching 102 quantity more than 1, on the one hand, realize in stator core 10
Both ends are respectively provided with stator punching, and to promote the convenient degree for adjusting air gap using toolings such as clearance gauges, another aspect is also beneficial to reduce
Radial force lowest spatial order component.
Example IV:
In any of the above-described embodiment, it is preferable that multiple first stator punchings 102, which continuously stack, forms the first punch fragment,
Multiple second stator punchings 104, which continuously stack, forms the second punch fragment, and multiple first punch fragments replace with multiple second punch fragments
Stack setting, wherein for the first punch fragment, 1026 structure of multiple auxiliary tanks being correspondingly arranged sets to form axial pass trough.
In this embodiment, multiple first stator punchings 102 are superimposed to form the first punch fragment, in the first punching
Multiple circumferentially distributed connection auxiliary tanks 1026 are formed on the inner wall of the centre bore of segment, by multiple second stator punchings 104
It is superimposed to form the second punch fragment, then dock at least one punch fragment by least one first punch fragment folded
Add, is equally reached the purpose for reducing the vibration noise of motor.
As a kind of specific real-time mode, the second punch fragment is arranged in both ends, the first punch fragment is set in centre, so that
The both ends of stator core 10 are respectively provided with stator punching, wherein the quantity that can be set to the second stator punching 104 is fixed less than first
The quantity of sub- punching 102.
As illustrated in figs. 7 and 8, the rotating electric machine of embodiment according to the present utility model, comprising: any of the above-described embodiment mentions
Stator core 10 out and the winding being set around on stator core 10；Rotor 20 is arranged group with the centre bore of motor stator
Dress.
In this embodiment, the stator core 10 constructed in the embodiment by using the utility model first aspect,
Due to opening up auxiliary tank 1026 on partial stator iron core 10, since the vibration deformation that radial component generates stator core 10 is
The main source of electromagnetic noise, by opening up auxiliary tank 1026 in partial stator punching, by improving stator slot to improve
The order of radial electromagnetic force wave reduces the deformation of stator core 10, and then reduces the lowest spatial order point of radial electromagnetic force wave
Amount, to achieve the purpose that reduce the vibration noise of motor.
In the above embodiment, it is preferable that the cross section profile perpendicular to the axis of rotor 20 is by a plurality of opposite centre bore
Circumferentially head and the tail connecting structure is formed for eccentric eccentric arc 204 and the isocentric circular arc 202 concentric with centre bore.
As shown in figure 8, rotor is by multiple rotor iron core laminated formation, the outer profile of each rotor core by it is a plurality of not
The circular arc head and the tail connection composition of concentric, including the isocentric circular arc 202 concentric with axis hole 208, and eccentric eccentric arc 204
Deng in addition, being also provided with the magnetic slot for accommodating magnet steel.
In this embodiment, in order to reduce Gas-gap Magnetic Field Resonance Wave, by the cross section profile perpendicular to the axis of rotor 20 by
Circumferentially head and the tail connecting structure is formed the circular arc and the circular arc concentric with centre bore of a plurality of opposite centre bore bias, on the one hand,
In conjunction with the setting of auxiliary tank 1026, be conducive to further decrease Gas-gap Magnetic Field Resonance Wave, on the other hand, by stator core 10
At least the second stator punching 104 is arranged in one end, can make real to greatest extent between stator core 10 and the outer wall of rotor 20
Existing face face is corresponding, to be conducive to using the toolings such as clearance gauge adjustment gas, and then is promoted same between stator core 10 and rotor
Heart degree, to achieve the purpose that adjust air gap precision and reduce electromagnetic noise.
In the present invention, term " first ", " second ", " third " are only used for the purpose of description, and should not be understood as
Indication or suggestion relative importance；Term " multiple " then refers to two or more, unless otherwise restricted clearly.Term " peace
Dress ", " connected ", " connection ", the terms such as " fixation " shall be understood in a broad sense, can also be with for example, " connection " may be a fixed connection
It is to be detachably connected, or be integrally connected；" connected " can be directly connected, can also be indirectly connected through an intermediary.It is right
For those skilled in the art, can understand as the case may be above-mentioned term in the present invention specifically contain
Justice.
In the description of the utility model, it is to be understood that term " on ", "lower", "left", "right", "front", "rear" etc. refer to
The orientation or positional relationship shown be based on the orientation or positional relationship shown in the drawings, be merely for convenience of description the utility model and
Simplify description, rather than the device or unit of indication or suggestion meaning there must be specific direction, with specific orientation construction
And operation, it is thus impossible to be construed as a limitation of the present invention.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc.
Mean that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least the one of the utility model
In a embodiment or example.In the present specification, schematic expression of the above terms are not necessarily referring to identical embodiment
Or example.Moreover, the particular features, structures, materials, or characteristics of description can be in any one or more embodiment or examples
In can be combined in any suitable manner.
The above is only the preferred embodiments of the utility model, are not intended to limit the utility model, for this field
Technical staff for, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model,
Any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (12)
1. a kind of stator core characterized by comprising
The stator punching of multiple stackings, the stator punching include circumferentially distributed multiple stator tooths, two adjacent described
Stator tooth, which encloses, to be set to form stator slot, and the stator tooth radially successively includes teeth portion and tooth boot portion, multiple teeth from outside to inside
Boots portion encloses the centre bore for setting and forming the stator punching, and the gap between two adjacent tooth boot portions limits corresponding institute
The notch of stator slot is stated,
Wherein, the stator punching of the multiple stacking includes that at least two first stator punchings and at least two second stators rush
Piece offers auxiliary tank on the inner wall of at least one upper tooth boot portion of first stator punching.
2. stator core according to claim 1, which is characterized in that
At least one end of the stator core is provided with second stator punching.
3. stator core according to claim 1, which is characterized in that
The inner wall of the tooth boot portion correspondence offers the auxiliary tank each of on first stator punching.
4. stator core according to claim 3, which is characterized in that
The stator tooth is symmetrical structure, pair for the auxiliary tank in each tooth boot portion relative to the stator tooth
Claim center line symmetrical setting.
5. stator core according to claim 4, which is characterized in that
Any one in the auxiliary tank semi-circular groove, rectangular slot, dovetail groove and vee gutter or any two kinds of combination.
6. stator core according to claim 1, which is characterized in that
The width of the notch is W1, and the width of the auxiliary tank is W2,
Wherein,
7. stator core according to claim 1, which is characterized in that
The radial width of the tooth boot portion is H1, and the radial depth capacity of the auxiliary tank is H2,
Wherein,
8. stator core according to any one of claim 1 to 7, which is characterized in that
The both ends of the stator core are respectively arranged with second stator punching；
The quantity of second stator punching is less than the quantity of first stator punching.
9. stator core according to any one of claim 1 to 7, which is characterized in that
First stator punching and second stator punching are alternately stacked setting；
The number differences of first stator punching and second stator punching are 1.
10. the stator core according to any one of claim 3 to 7, which is characterized in that
Multiple first stator punchings, which continuously stack, forms the first punch fragment, and multiple second stator punchings continuously stack shape
At the second punch fragment, multiple first punch fragments and multiple second punch fragments are alternately stacked setting,
Wherein, for first punch fragment, the multiple auxiliary tank structures being correspondingly arranged set to form axial pass trough.
11. a kind of rotating electric machine characterized by comprising
Motor stator, including the stator core as described in any one of claims 1 to 10 and on stator core as described in being set around
Winding；
Rotor is arranged assembling with the centre bore of the motor stator.
12. rotating electric machine according to claim 11, which is characterized in that
Rotor cross section profile perpendicular to the axis by a plurality of relatively described centre bore bias eccentric arc and with
Circumferentially head and the tail connecting structure is formed the concentric isocentric circular arc of the centre bore.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820821757.0U CN208190359U (en) | 2018-05-30 | 2018-05-30 | Stator core and rotating electric machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820821757.0U CN208190359U (en) | 2018-05-30 | 2018-05-30 | Stator core and rotating electric machine |
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| CN112564321A (en) * | 2020-11-30 | 2021-03-26 | 安徽美芝精密制造有限公司 | Stator core, stator, permanent magnet synchronous motor, compressor and refrigeration equipment |
| CN112564318A (en) * | 2020-11-30 | 2021-03-26 | 安徽美芝精密制造有限公司 | Stator punching sheet, stator core, motor, compressor and refrigeration equipment |
| CN112564317A (en) * | 2020-11-30 | 2021-03-26 | 安徽美芝精密制造有限公司 | Stator core, stator, permanent magnet synchronous motor, compressor and refrigeration equipment |
| CN112564319A (en) * | 2020-11-30 | 2021-03-26 | 安徽美芝精密制造有限公司 | Stator punching sheet, stator core, motor, compressor and refrigeration equipment |
| CN112583143A (en) * | 2020-11-30 | 2021-03-30 | 安徽美芝精密制造有限公司 | Stator core, stator, permanent magnet synchronous motor, compressor and refrigeration equipment |
| WO2022110306A1 (en) * | 2020-11-30 | 2022-06-02 | 安徽美芝精密制造有限公司 | Stator core, stator, permanent magnet synchronous motor, compressor, and refrigeration device |
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2018
- 2018-05-30 CN CN201820821757.0U patent/CN208190359U/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112564321A (en) * | 2020-11-30 | 2021-03-26 | 安徽美芝精密制造有限公司 | Stator core, stator, permanent magnet synchronous motor, compressor and refrigeration equipment |
| CN112564318A (en) * | 2020-11-30 | 2021-03-26 | 安徽美芝精密制造有限公司 | Stator punching sheet, stator core, motor, compressor and refrigeration equipment |
| CN112564317A (en) * | 2020-11-30 | 2021-03-26 | 安徽美芝精密制造有限公司 | Stator core, stator, permanent magnet synchronous motor, compressor and refrigeration equipment |
| CN112564319A (en) * | 2020-11-30 | 2021-03-26 | 安徽美芝精密制造有限公司 | Stator punching sheet, stator core, motor, compressor and refrigeration equipment |
| CN112583143A (en) * | 2020-11-30 | 2021-03-30 | 安徽美芝精密制造有限公司 | Stator core, stator, permanent magnet synchronous motor, compressor and refrigeration equipment |
| CN112564317B (en) * | 2020-11-30 | 2022-02-15 | 安徽美芝精密制造有限公司 | Stator core, stator, permanent magnet synchronous motor, compressor and refrigeration equipment |
| WO2022110311A1 (en) * | 2020-11-30 | 2022-06-02 | 安徽美芝精密制造有限公司 | Stator core, stator, permanent-magnet synchronous motor, compressor, and refrigeration device |
| WO2022110306A1 (en) * | 2020-11-30 | 2022-06-02 | 安徽美芝精密制造有限公司 | Stator core, stator, permanent magnet synchronous motor, compressor, and refrigeration device |
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