CN109936265A - Stator module and motor and electrodynamic pump with the stator module - Google Patents
Stator module and motor and electrodynamic pump with the stator module Download PDFInfo
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- CN109936265A CN109936265A CN201711344545.4A CN201711344545A CN109936265A CN 109936265 A CN109936265 A CN 109936265A CN 201711344545 A CN201711344545 A CN 201711344545A CN 109936265 A CN109936265 A CN 109936265A
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Abstract
A kind of stator module, including stator core, stator core includes iron core teeth portion and iron core yoke part, iron core yoke part includes the inner surface and the outer surface, iron core teeth portion circumferentially array distribution or is uniformly distributed along iron core yoke part, iron core yoke part includes multiple first, first circumferentially array distribution or is uniformly distributed along iron core yoke part, first is formed with the first slot, first is set between inner surface and outer surface, iron core teeth portion includes iron core neck and iron core boots portion, iron core neck is located between iron core yoke part and iron core boots portion, iron core neck includes the first sub-portion, first sub-portion is located in the first slot, first sub-portion is arranged with first corresponding matching；It is provided in this way and is conducive to improve the reliability that iron core teeth portion is connected with iron core yoke part, and then be conducive to improve the performance of the motor using this stator module.
Description
[technical field]
The present invention relates to a kind of technical field of electricity, and in particular to a kind of stator module.
[background technique]
In general, stator module includes stator core and stator winding, stator module can produce after stator winding electrifying
The magnetic field of certain rule, rotor assembly include permanent-magnet material, and rotor assembly can be under the action of the magnetic field that stator module generates
Rotation.
Stator core includes iron core yoke part and iron core neck, in split type stator core, usual iron core neck and iron
Whether the connection of core yoke portion, the connection of iron core neck and iron core yoke part will reliably will have a direct impact on the performance of motor.
[summary of the invention]
The purpose of the present invention is to provide a kind of stator module and motor and electrodynamic pump with the stator module, favorably
In the reliability that raising iron core teeth portion is connected with iron core yoke part, and then be conducive to improve the property of the motor using this stator module
Energy.
To achieve the above object, one embodiment of the present invention adopts the following technical scheme that
A kind of stator module, including stator core, the stator core include iron core teeth portion and iron core yoke part, the iron core
Yoke portion includes the inner surface and the outer surface, and the iron core teeth portion circumferentially array distribution or is uniformly distributed, institute along the iron core yoke part
Stating iron core yoke part includes multiple first, and described first circumferentially array distribution or is uniformly distributed along the iron core yoke part,
Described first is formed with the first slot, and the first position is between the inner surface and the outer surface, the iron core teeth portion
Including iron core neck and iron core boots portion, the iron core neck is between the iron core yoke part and iron core boots portion, the iron
Core neck includes the first sub-portion, and at least partly described first sub-portion is located in first slot, first sub-portion and described the
One corresponding matching setting.
A kind of motor, the motor include stator module, and the stator module is above-described stator module.
A kind of electrodynamic pump, the electrodynamic pump include stator module, including pump case, rotor assembly and stator module, institute
State pump case and form pump inner cavity, the rotor assembly and the stator module are set to the pump inner cavity, the rotor assembly and
The stator module is isolated by pump case to be arranged, and the stator module is arranged around the rotor assembly, the stator module
For above-described stator module.
Stator module of the invention includes iron core yoke part, and it includes first that iron core yoke part, which includes multiple, and first is formed with
First slot, the first sub-portion of iron core neck, the first sub-portion are located in the first slot, and the first sub-portion is arranged with first corresponding matching；This
Sample is arranged so that iron core neck is limited radially, to be conducive to connect between raising iron core yoke part and iron core neck
Reliability, and then be conducive to improve have said stator component motor performance；The invention also discloses in a kind of application
The motor and electrodynamic pump for stating stator module are conducive to improve the performance of the motor and electrodynamic pump using said stator component.
[Detailed description of the invention]
Fig. 1 is an a kind of the schematic diagram of the section structure of embodiment of electrodynamic pump of the present invention；
Fig. 2 is an a kind of solid of embodiment that rotor assembly and stator module are combined in motor of the present invention
Structural schematic diagram；
Fig. 3 is one schematic perspective view of stator module in Fig. 1 or Fig. 2；
Fig. 4 is a solid on a direction of the first embodiment of the stator core of stator module shown in Fig. 3
Structural schematic diagram；
Fig. 5 is that one on another direction of the first embodiment of the stator core of stator module shown in Fig. 3 is vertical
Body structural schematic diagram；
Fig. 6 is a positive structure diagram of stator core shown in Fig. 4 or Fig. 5；
Fig. 7 is a schematic perspective view of the iron core yoke part of stator core shown in Fig. 4 or Fig. 5；
Fig. 8 is a schematic perspective view in another direction of the iron core yoke part of stator core shown in Fig. 4 or Fig. 5；
Fig. 9 is the partial enlargement structural representation in the portion A of iron core yoke part shown in Fig. 7；
Figure 10 is the partial enlargement structural representation in the portion B of iron core yoke part shown in Fig. 8；
Figure 11 is a schematic perspective view of the iron core teeth portion of stator core shown in Fig. 4 or Fig. 5；
Figure 12 is a structural decomposition diagram of iron core teeth portion shown in Figure 11；
Figure 13 is a positive structure diagram of iron core teeth portion shown in Figure 11；
Figure 14 is an overlooking structure diagram of iron core teeth portion shown in Figure 11；
Figure 15 is the partial enlargement structural representation in the portion C of iron core teeth portion shown in Figure 11；
Figure 16 is a schematic perspective view of second of embodiment of the stator core of stator module shown in Fig. 3；
Figure 17 is a schematic perspective view of the iron core yoke part of stator core shown in Figure 16；
Figure 18 is a schematic perspective view on another direction of the iron core yoke part of stator core shown in Figure 16；
Figure 19 is the partial enlargement structural representation in the portion D of iron core yoke part shown in Figure 17；
Figure 20 is a schematic perspective view of the iron core teeth portion of stator core shown in Figure 16；
Figure 21 is a positive structure diagram of iron core teeth portion shown in Figure 20；
Figure 22 is the partial enlargement structural representation in the portion E of iron core teeth portion shown in Figure 20；
Figure 23 is a schematic perspective view of the third embodiment of the stator core of stator module shown in Fig. 3；
Figure 24 is a schematic perspective view of the iron core yoke part of stator core shown in Figure 23；
Figure 25 is the partial enlargement structural representation in the portion F of iron core yoke part shown in Figure 24；
Figure 26 is a schematic perspective view of the iron core teeth portion of stator core shown in Figure 23；
Figure 27 is a positive structure diagram of iron core teeth portion shown in Figure 26；
Figure 28 is the partial enlargement structural representation in the portion G of iron core teeth portion shown in Figure 26；
Figure 29 is a schematic perspective view of the 4th kind of embodiment of the stator core of stator module shown in Fig. 3；
Figure 30 is a schematic perspective view of the iron core yoke part of stator core shown in Figure 29；
Figure 31 is a schematic perspective view of the iron core teeth portion of stator core shown in Figure 29；
Figure 32 is a schematic perspective view of the 5th kind of embodiment of the stator core of stator module shown in Fig. 3；
Figure 33 is a positive structure diagram of stator core shown in Figure 32；
Figure 34 is a schematic perspective view of the iron core teeth portion of stator core shown in Figure 32；
Figure 35 is a structural decomposition diagram of iron core teeth portion shown in Figure 34；
Figure 36 is a positive structure diagram of iron core teeth portion shown in Figure 34.
[specific embodiment]
The present invention will be further explained below with reference to the attached drawings and specific examples:
Referring to Fig. 1, electrodynamic pump 10 includes rotor assembly 11, stator module 20, pump case 12, electric-controlled plate 14 and impeller
13, pump case 12 formed pump inner cavity, stator module 20, electric-controlled plate 14 and impeller 13 be set to pump in it is intracavitary, pass through electric-controlled plate
14 controls generate excitation field by the electric current of winding in stator module 20, and rotor assembly 11 includes permanent magnet, permanent magnet
Magnetic field can be generated, permanent magnet rotates under the action of excitation field, and the direct or indirect impeller 13 of permanent magnet rotates, in pump
Centrifugal force effect when fluid in chamber is due to wheel rotation and leave pump inner cavity, to generate the power of flowing.
In the present embodiment, stator module 20 is set to the periphery of rotor assembly 11, and stator module 20 and rotor assembly 11 are logical
The isolation of separation sleeve 15, the i.e. inner circumferential that is set to separation sleeve 15 of rotor assembly 11 are crossed, stator module 20 is set to the outer of separation sleeve 15
In week, the rotation in order to guarantee rotor assembly 11 is happy, and the inner circumferential of the periphery isolation by distance set 15 of rotor assembly 11 has certain
Gap, in order to guarantee the electromagnetic force of motor, the inner circumferential of stator module 20 is relatively smaller at a distance from the periphery of rotor assembly 11 to be got over
It is good；In the present embodiment, only lists stator module of the present invention and apply the situation in electrodynamic pump, certain stator module of the present invention
It is equally applicable to valve or other application occasion.
In general, motor includes electric machine casing, stator module and rotor assembly, specifically, referring to fig. 2, Fig. 2 is in motor
One schematic perspective view of the sub-assembly 1 that rotor assembly and stator module are combined；Sub-assembly 1 includes rotor assembly
11 and stator module 20, the working principle of motor is based on electromagnetic induction principle, and in the present embodiment, stator module 20 is arranged
In the periphery of rotor assembly 11, certainly, the inner circumferential in rotor assembly is also can be set in stator module 20, and rotor assembly 11 includes forever
Magnet, permanent magnet can generate magnetic field, and stator module 20 includes winding 50, so that winding 202 is alived by external cabling, together
When by the external for example controls such as electric-controlled plate excitation field is generated by the electric current of winding 50, the rotor set with permanent magnet
Part rotates under the action of excitation field；Stator module of the present invention will be described in detail below.
Referring to Fig. 3, stator module 20 includes stator core 30, insulating layer 40 and winding 50, and insulating layer 40 is at least arranged
Guarantee the insulation performance of winding 50 stator core 30 and winding 50 is isolated in the partial outer face of stator core 30.
Referring to fig. 4 to Figure 15, fig. 4 to fig. 6 is the structural schematic diagram of the first embodiment of stator core, Fig. 7 to figure
10 be the structural schematic diagram of the first embodiment of iron core yoke part, and Figure 11 to Figure 15 is the first embodiment of iron core teeth portion
Structural schematic diagram, below by the structure of the first embodiment of the first embodiment and iron core teeth portion to iron core yoke part
It is illustrated.
Referring to fig. 4 to Fig. 8, stator core 30 includes iron core teeth portion 32 and iron core yoke part 31, in the present embodiment, iron core teeth portion
32 with 31 split settings of iron core yoke part and be fixedly connected, " split settings " here refer to that iron core teeth portion and iron core yoke part add respectively
On the one hand work makes the mould structure letter for shaping iron core teeth portion and iron core yoke part at two independent components, in this way setting
It is single, manufacturing cost is advantageously reduced, on the other hand compared to integrally formed iron core teeth portion and iron core yoke part, is conducive to improve material
The utilization rate of material reduces manufacturing cost to be conducive to save rapidoprint；Specifically, referring to figs. 7 and 8, iron core yoke part 31
Including inner surface 313 and outer surface 314, in conjunction with Fig. 4 or Fig. 5, iron core teeth portion 32 along iron core yoke part 31 circumferentially array distribution or
It is uniformly distributed, " circumference array distribution " here refers to that, when iron core yoke part is cylindrical, iron core teeth portion is along iron core yoke part
Circumferencial direction array distribution, " being uniformly distributed " here refer to that iron core teeth portion is along iron core when iron core yoke part is non-cylindrical
The circumferential direction in yoke portion is uniformly distributed, and in the present embodiment, iron core teeth portion is along iron core yoke part circumferentially array distribution, specifically, this reality
It applies in example, iron core teeth portion 32 is arranged along the inner surface 313 of iron core yoke part 31, certainly according to practical situations, iron core teeth portion 32
It can also arrange along the outer surface of iron core yoke part 31 314.
Referring to Fig. 7 to Figure 10, iron core yoke part 31 includes multiple first 316, and first 316 along iron core yoke part 31 in circle
All array distributions are uniformly distributed, and first 316 is formed with the first slot 3163, and first 316 is set to inner surface 313 and appearance
Between face 314, iron core yoke part 31 further includes second 317, and second 317 is formed with the second slot 3171；Iron core yoke part 31 is also wrapped
First end 311 and the second end 312 are included, the ontology of the ontology and the second end 312 of first end 311 is arranged in parallel, here
" ontology of first end 311 " refers to the feature that major part is accounted in first end, and " feature for accounting for major part " is here
The area for referring to that this feature accounts for first end is 60% or more, and " ontology of the second end 312 " refers to here accounts in the second end
The feature of major part, the area that " feature for accounting for major part " refers to that this feature accounts for the second end here is 60% or more, this
In embodiment, the ontology of first end 311 is a flat surface with the ontology of the second end 312, naturally it is also possible in first end
311 and the second end 312 on other structures are set, for example recess portion or protrusion etc.；With first end 311 for benchmark face, second
317 to the first 316 closer to first end 311；It is extended from 313 exterior surface 314 of inner surface for second 317, here
" second from 313 exterior surface 314 of inner surface be extended " refers to the direction radially along stator core, first
316 are connected to setting with second 317, and in the present embodiment, the first slot 3162 is through setting, and certainly, the first slot 3162 can also be with
For non-through setting, on second 317 depth direction, second 317 does not pass through from first end 311 to the second end 312
It wears, " second depth direction " refers to the axial direction along stator core here.
Referring to Figure 11 to Figure 15, iron core teeth portion 32 includes iron core neck 321 and iron core boots portion 322, in conjunction with Fig. 4, iron core neck
321 both ends of portion are separately connected iron core yoke part 31 and iron core boots portion 322, and iron core neck 321 includes top 3211 and bottom 3212, knot
Fig. 4 and Fig. 5 is closed, the top 3211 in Figure 13 is concordant with the first end 311 of iron core yoke part 31 in Fig. 7, the bottom in Figure 13
3212 is concordant with the second end 312, and " concordant " here refers to that level difference within 2mm, is arranged so that magnetic circuit is equal in this way
It is even, to be conducive to improve the effective rate of utilization of magnetic flux, and then improve the performance with the motor using this stator module；Referring to
Figure 13, iron core neck 321 further include third sub-portion 323, and third sub-portion 323 is formed with third slot 3233, and third sub-portion 323 is the bottom of from
Portion 3212 is extended to top 3211, and third sub-portion 323 further includes the first confined planes 3231, in conjunction with Fig. 4 and Fig. 7, Tu13Zhong
The first confined planes 3231 contacted with the portion inner surface 313 in Fig. 7 setting installation in this way be provided be conducive to minimize first
Gap between confined planes and inner surface to be conducive to reduce leakage field, and then is conducive to improve the effective rate of utilization of magnetic flux, into
And be conducive to improve the working performance of the motor using said stator component.
Referring to Fig. 7 to Figure 10, the second confined planes 3153, the second confined planes are formed between second 317 and first 316
3153 ontology and the ontology 311 of first end are arranged in parallel, and " ontologies of the second confined planes 3153 " refer to the second limit here
The feature of major part is accounted in face, the area that " feature for accounting for major part " refers to that this feature accounts for the second confined planes here is 60%
More than, referring to Figure 13, third sub-portion 323 includes third confined planes 3232, the ontology of third confined planes 3232 and the first confined planes
3231 ontology is vertically arranged, and " ontologies of third confined planes 3232 " refer to the spy that major part is accounted in third confined planes here
Sign, the area that " feature for accounting for major part " refers to that this feature accounts for third confined planes here is 60% or more, " the first limit here
The ontology of plane 3231 " refers to the feature that major part is accounted in the first confined planes, and " feature for accounting for major part " refers to this here
The area that feature accounts for the first confined planes is 60% or more, and third confined planes 3232 contact setting with the second confined planes 3153；In this way
On the one hand setting makes iron core neck during the installation process, can be limited by the second confined planes 3153 of mounting portion, from
And be conducive to the positioning when installation of iron core neck, another aspect third confined planes 3232 contact setting with the second confined planes 3153,
Be conducive to minimize the gap between third confined planes and the second confined planes, to be conducive to reduce leakage field, and then be conducive to
The effective rate of utilization of magnetic flux is improved, and then is conducive to improve the working performance of the motor using said stator iron core.
Referring to Figure 11 to Figure 15, define the top 3211 of iron core neck 32 between the bottom of iron core neck 32 3212 most
Small distance is first distance H1, and top 3211 to the minimum range between third confined planes 3232 for defining iron core neck 32 is the
The ratio of two distance H2, second distance H2 and first distance H1 are less than or equal to 0.5；It in this way can be by minimizing third confined planes
Area between top, thus be conducive to reduce alternating magnetic field vortex caused by iron core neck, thus advantageously reduce by
In vortex and caused by iron core neck fever, and then be conducive to improve using this stator core motor performance.
Referring to Figure 11 to Figure 15, iron core neck 321 includes the first sub-portion 326, in order to better describe the first sub-portion, referring to
Figure 15 introduces an interface K, and interface K crosses the third confined planes 3232 of third sub-portion, the first sub-portion 326 be located at interface K with
Lower portion, and the first sub-portion 326 is adjacent with third sub-portion 323, referring to fig. 4 to Figure 15, at least partly the first sub-portion 326 is located at the
In one slot 3163, the first sub-portion 326 and first 316 corresponding matching are arranged, and " corresponding matching setting " here refers at least portion
The first sub-portion 326 is divided to be arranged at least partly first 316 transition fits setting or interference fit；It is arranged in this way so that iron core neck
Portion is limited radially, to be conducive to improve the reliability that iron core yoke part is connect with iron core neck, and then is conducive to
Improve the performance of the motor using said stator iron core.Specifically, referring to Fig. 8 and Figure 10, first 316 includes first side
3161 and second side 3162, first side 3161 be oppositely arranged with second side 3162, first side 3161 and second side
3162 are arranged towards the circumferential of iron core yoke part 31, refer to first side 3161 " towards the circumferential direction setting of iron core yoke part 31 " here
Direction and the direction of second side 3162 have the tendency that being circumferentially arranged towards iron core yoke part, and first side 3161 compares second side
3162 closer to outer surface 314, and referring to Figure 13, the first sub-portion 236 includes the first cooperation side 3261 and the second cooperation side
3262, the first cooperation side 3161 cooperates side 3262 to be oppositely arranged with second, referring to fig. 4 to Figure 15, in the present embodiment, at least
Part first cooperates side 3161 contact setting at least partly first side 3161, at least partly second cooperate side 3262 and
At least partly contact of second side 3162 setting, " contact setting " here refers to can pass through between the first sub-portion and first
It is full of cooperation or transition fit and realizes contact, is provided between being conducive to minimize between the first cooperation side and first side in this way
Gap and second cooperation side and second side between gap so that magnetic field in transmittance process, be conducive to reduce because
Leakage field caused by gap, and then be conducive to improve the effective rate of utilization of magnetic flux, and then be conducive to improve using said stator iron
The working performance of the motor of core.
Referring to Figure 11 and Figure 15, iron core neck 321 further includes the second sub-portion 325, the second sub-portion 325 be located at interface K with
On position, referring to fig. 4 to Figure 15, the second sub-portion 325 is located in the second slot 3171, and the second sub-portion 325 is 317 corresponding with second
It is equipped with, " corresponding matching setting " here refers to that at least partly the second sub-portion is arranged at least partly second transition fit
Or interference fit setting；Specifically, referring to Fig. 8, second 317 includes the first face 3171, and the first face 3171 is towards iron core yoke part
31 circumferential setting refers to that the direction in the first face 3171 has towards iron core yoke part " towards the circumferential direction setting of iron core yoke part 31 " here
The trend being circumferentially arranged, referring to Figure 13, the second sub-portion 325 includes the first mating surface 3251, at least portion in conjunction with Fig. 4, in Fig. 8
Point the first face 3171 contacts setting at least partly the first mating surface 3251 in Figure 13, is provided in this way conducive to minimizing the
Gap between one mating surface and the first face, so that magnetic field in transmittance process, is conducive to caused by reducing because of gap
Leakage field, and then be conducive to improve the effective rate of utilization of magnetic flux, and then be conducive to improve the work of the motor using said stator iron core
Make performance.
Referring to Fig. 7 and Figure 11, in the present embodiment, iron core yoke part 31, which is laminated by silicon steel sheet and passes through riveting, is fixed as one
Body, iron core teeth portion 32 are laminated by silicon steel sheet and pass through riveting and be fixed as one, such iron core yoke part 31 and iron core teeth portion 32
Every silicon steel sheet it is respectively separately machined, compared to integrally formed iron core yoke part and iron core teeth portion, be conducive to mention in this way
The utilization rate of high silicon sheet iron material, and then 31 He of iron core yoke part for advantageously reducing the cost of silicon steel material, while being formed separately
The corresponding mold of iron core teeth portion 32 also can simplify, to advantageously reduce production cost；In the present embodiment, iron core yoke part 31
Axial direction of the stacking direction of silicon steel sheet along stator core, the stacking direction and the silicon of iron core yoke part 31 of the silicon steel sheet of iron core teeth portion 32
The stacking direction of steel disc is vertically arranged, and the circumferential direction of the stacking direction of the silicon steel sheet of iron core teeth portion 32 towards iron core yoke part 31 is set
It sets, refers to that the stacking direction of iron core teeth portion has the circumferential cloth towards iron core yoke part " towards the circumferential direction setting of iron core yoke part 31 " here
The trend set, the non-shaped form of the stacking direction of actually iron core teeth portion, but linear type.
Referring to Figure 11 and Figure 12, iron core boots portion 322 includes the first part 3221 being directly connected to iron core neck 321, the
The silicon steel sheet of a part 3221 and the silicon steel sheet of 321 same layer of iron core neck are with a piece of, and iron core boots portion 322 further includes not direct
The second part 3222 connecting with iron core neck 321, the silicon steel sheet and 3221 silicon steel sheet of first part of second part 3222 are laminated
Setting, second part 3222 are integrally fixed with first part 3221 by riveting.
Referring to Figure 11 to Figure 15, iron core neck 321 includes the first outside portion 3213 and the second outside portion 3214, in iron core neck
The stacking direction in portion 321, the first outside portion 3213 and the second outside portion 3214 be positioned at iron core neck 321 two ends silicon
The outer surface of steel disc, defining the minimum range between the first outside portion 3213 and the second outside portion 3214 is third distance W1, iron
Core boots portion 322 includes third outside portion 3223 and the 4th outside portion 3224, on the stacking direction in iron core boots portion 322, outside third
Side 3223 and the 4th outside portion 3224 are to define outside third positioned at the outer surface of the silicon steel sheet of two ends in iron core boots portion 322
The distance between side 3223 and the 4th outside portion 3224 are that the ratio of the 4th distance W2, the 4th distance W2 and third distance W1 are big
In be equal to 1 or the 4th the ratio of distance W2 and third distance W1 be more than or equal to 1 and be less than or equal to 2, certain 4th distance W2 and third
The ratio of distance W1 may be the numerical value such as 1.3,1.5,1.8；In the case where other conditions are all the same, be conducive to shorten in this way
Magnetic circuit, and then be conducive to reduce magnetic resistance, to be conducive to reduce leakage field, and then be conducive to improve the motor for applying this stator module
Performance.
Referring to Figure 13, along the axial direction of stator core 30, the axial height for defining iron core neck 321 is the first height, the
One height is first distance H1, and the axial height in iron core boots portion 322 is the second height H3, the second height H3 and the first height
Ratio be greater than 1 or second the ratio of height H3 and the first height be more than or equal to 2 less than or equal to 6, certain second height H3 and first
The ratio of height can be the numerical value such as 1.3,1.5 or 1.8, in the case where other conditions are all the same, apply this stator in this way
In the motor of component, be conducive to the height for increasing the permanent magnet of rotor assembly in motor, and then be conducive to improve using this stator
The magnetic flux of the motor of component, to be conducive to improve the performance of the motor using this stator module.
Referring to Figure 14, iron core boots portion 322 includes wall surface 3227, in the junction in iron core boots portion 322 and iron core neck 321,
The face that definition is located at the iron core boots portion 322 of junction is joint face, and wall surface 3227 is oppositely arranged with joint face, referring to Fig. 5, definition
One tangent circle, tangent circle and the tangent setting of wall surface 3227, defining tangent diameter of a circle is first diameter Φ A, iron core yoke part 31
The diameter of outer surface is second diameter Φ B, and the ratio of first diameter Φ A and second diameter Φ B is more than or equal to 0.4 and is less than or equal to
0.6。
It is the structural schematic diagram of second of embodiment of stator core, Figure 17 to Figure 18 referring to Figure 16 to Figure 22, Figure 16
For the structural schematic diagram of the iron core yoke part of stator core in Figure 16, Figure 20 to Figure 22 is the iron core teeth portion of stator core in Figure 16
The structure of second of embodiment to stator core is illustrated by structural schematic diagram below.
Referring to Figure 16 to Figure 22, iron core yoke part 31a includes first 316a and second 317a, and iron core teeth portion 32a includes
Iron core neck 321a and iron core boots portion 322a, iron core neck 321a includes the first sub-portion 326a and the second sub-portion 325a, in order to more
First sub-portion and the second sub-portion are described well, referring to fig. 21, an interface K ' is introduced here, and interface K ' crosses third sub-portion 323a
Third confined planes 3232a, the second sub-portion 325a is located at interface K ' or more, the first sub-portion 326a be located at interface K ' hereinafter,
Compared with the first embodiment, in present embodiment, first 316a not through iron core yoke part 31a the second end 312a,
One end and one end of iron core neck 321a of the first sub-portion 326a of sub-portion 324a be not concordant, i.e., the first sub-portion in present embodiment
The length of 326a is shorter than the length of the first sub-portion in the first embodiment, in this way compared to the first embodiment, so that
The area of the first sub-portion in present embodiment in the first embodiment of the area ratio of the first sub-portion is small, to be conducive to reduce
Alternating magnetic field is vortexed caused by iron core neck, to advantageously reduce the fever for causing iron core neck due to vortex, in turn
Be conducive to improve the performance of the motor using this stator core, the iron core yoke part of present embodiment and other features of iron core teeth portion
It can refer to the first embodiment, just do not repeat one by one herein.
Referring to fig. 23 to Figure 28, Figure 23 are the structural schematic diagram of the third embodiment of stator core, Figure 24 to Figure 25
For the structural schematic diagram of the iron core yoke part of stator core in Figure 23, Figure 26 to Figure 28 is the iron core teeth portion of stator core in Figure 23
The structure of the third embodiment to stator core is illustrated by structural schematic diagram below.
Referring to fig. 23 to Figure 28, iron core yoke part 31b include include first 316b and second 317b, first 316b with
It is formed between second 317b in second confined planes 3153b the present embodiment, first 316b is through setting, certainly, first
316b can also include iron core neck 321b and iron core boots portion 322b, iron core neck 321b packet not through setting, iron core teeth portion 32b
The first sub-portion 326b and the second sub-portion 325b are included, in order to better describe the first sub-portion and the second sub-portion, referring to fig. 27, introduce one
Interface K ", interface K " cross the third confined planes 3232b of third sub-portion 323b, the second sub-portion 325b be located at interface K " with
On, the second sub-portion 326b is located at interface K " hereinafter, compared with the first embodiment, in the present embodiment, iron core yoke part 31b's
The width of second 317b is greater than the width of first 3152b, and the second sub-portion 325b of sub-portion 324b is compared to the second sub-portion
326b protrusion setting, is arranged so that the first mating surface 3251b of the second sub-portion 325b matches with the first of the first sub-portion 326b in this way
Not in the same plane, i.e. the cooperation of the first mating surface 3251b and first side 3261b forms a step surface to conjunction side 3261b,
So that the area of the second confined planes 3153b shaped between first 316b and second 317b increases, compared to iron core
The first embodiment in yoke portion and iron core teeth portion, since the second confined planes 3153b has supporting role, such second confined planes
The area of 3153b is bigger, is more conducive to the installation process of iron core teeth portion and iron core yoke part；The iron core yoke part and iron of present embodiment
Other features of core teeth portion can refer to the first embodiment, just not repeat one by one herein.
Referring to fig. 29 to Figure 31, Figure 29 are the structural schematic diagram of the 4th kind of embodiment of stator core, Figure 30 Figure 29
The structural schematic diagram of the iron core yoke part of middle stator core, Figure 31 are the structural schematic diagram of the iron core teeth portion of stator core in Figure 29,
The structure of the 4th of stator core the kind of embodiment will be illustrated below.
Referring to fig. 29 to Figure 31, stator core 30c includes iron core yoke part 31c and iron core teeth portion 32c, iron core yoke part 31c packet
First 316c and second 317c is included, is formed with the second confined planes 3153b, iron core between first 316c and second 317c
Teeth portion 32c includes iron core neck 321c and iron core boots portion 322c, iron core neck 321c include the first sub-portion 326c and the second sub-portion
325c, compared with the first embodiment of iron core yoke part and iron core teeth portion, in present embodiment, second 317c is along iron core
The radial inner surface 313c to outer surface 314c from iron core yoke part of yoke portion 31c is through setting, and the second sub-portion 325c is compared to the
One sub-portion 326c protrusion setting, is arranged in this way so that the first mating surface 3251c and the first sub-portion 326c of the second sub-portion 325c
Not in the same plane, i.e. the cooperation of the first mating surface 3251c and first side 3261c forms one to first cooperation side 3261c
Step surface is compared so that the area of the second confined planes 3153c shaped between first 316c and second 317c increases
In the first embodiment of iron core yoke part and iron core teeth portion, since the second confined planes 3153c has a supporting role, such second
The area of confined planes 3153c is bigger, is more conducive to the installation process of iron core teeth portion and iron core yoke part；The iron core yoke of present embodiment
Other features of portion and iron core teeth portion can refer to the first embodiment, just not repeat one by one herein.
It is the structural schematic diagram of the 5th kind of embodiment of stator core, Figure 33 Figure 32 referring to Figure 32 to Figure 36, Figure 32
The structural schematic diagram of the iron core yoke part of middle stator core, Figure 34 to Figure 36 are that the structure of the iron core teeth portion of stator core in Figure 32 is shown
It is intended to, the structure of the 5th of stator core the kind of embodiment will be illustrated below.
Referring to Figure 32 to Figure 36, stator core 30d include iron core yoke part 31d and iron core teeth portion 32d, iron core yoke part 31d with
Stator teeth 32d is detachably connected, and stator teeth 32d includes iron core neck 321d and iron core boots portion 322d, iron core boots portion 322d
Including the first part 3221d being directly connected to iron core neck 321d, the silicon steel sheet and iron core neck 321d of first part 3221d
The silicon steel sheet of same layer is with a piece of, and iron core boots portion 322d further includes the second part not connecting with iron core neck 321 directly
The silicon steel sheet of 3222d, second part 3222d are stacked with first part's 3221d silicon steel sheet, second part 3222d and first
Part 3221d is integrally fixed by riveting, compared with the first embodiment of iron core teeth portion, in present embodiment, in iron
In the second part 3222d of core boots portion 322d, defining apart from the silicon steel sheet of first part 3221d most nearby is the first silicon steel sheet,
Silicon steel sheet apart from the farthest first part 3221d is farthest silicon steel sheet, the silicon steel between the first silicon steel sheet and farthest silicon steel sheet
Piece (including the first silicon steel sheet and farthest silicon steel sheet) is not in planar in the wall surface 3227d of iron core boots portion 322d, but is substantially in
It is ladder-like, compared to the first embodiment of iron core yoke part and iron core teeth portion, in the present embodiment, referring to Figure 32, in stator iron
In core 30d, due to the closer circle of shape that the wall surface 3227d of iron core boots portion 322d is formed, determine to be conducive to reduce using this
The periphery of rotor in the motor of sub- iron core and the distance between the wall surface of the stator core, thus be conducive to reduce leakage field, into
And be conducive to improve the performance of the motor using this stator core；The iron core yoke part of present embodiment and other spies of iron core teeth portion
Sign can refer to the first embodiment, just not repeat one by one herein.
It should be understood that above embodiments are merely to illustrate the present invention and not limit technical side described in the invention
Case, although this specification is referring to the above embodiments, the present invention has been described in detail, the common skill of this field
Art personnel should be appreciated that person of ordinary skill in the field still can modify or equivalently replace the present invention, and
All do not depart from the technical solution and its improvement of the spirit and scope of the present invention, should all cover in scope of the presently claimed invention
It is interior.
Claims (14)
1. a kind of stator module, including stator core, the stator core includes iron core teeth portion and iron core yoke part, the iron core yoke
Portion includes the inner surface and the outer surface, and the iron core teeth portion circumferentially array distribution or is uniformly distributed along the iron core yoke part, special
Sign is: the iron core yoke part includes multiple first, described first along the iron core yoke part circumferentially array distribution or
It is uniformly distributed, described first is formed with the first slot, and the first position is described between the inner surface and the outer surface
Iron core teeth portion includes iron core neck and iron core boots portion, the iron core neck be located at the iron core yoke part and iron core boots portion it
Between, the iron core neck includes the first sub-portion, and at least partly described first sub-portion is located in first slot, first sub-portion
It is arranged with first corresponding matching.
2. stator module according to claim 1, it is characterised in that: described first includes first side and second side
Face, the first side are oppositely arranged with the second side, and the first side and the second side are towards the iron
The circumferential setting in core yoke portion, than the second side closer to the outer surface, first sub-portion includes the first side
First cooperation side and the second cooperation side, the first cooperation side are oppositely arranged with second cooperation side, at least portion
Point described first cooperation side contact setting at least partly described first side, and at least partly described second cooperates side and extremely
The contact setting of second side described in small part.
3. stator module according to claim 1 or 2, it is characterised in that: the iron core yoke part further includes second, described
Second is formed with the second slot, and the iron core yoke part further includes first end and the second end, the ontology of the first end with
The ontology of the second end is arranged in parallel, and using the first end as benchmark face, described second is more leaned on than described first
The nearly first end；The iron core neck further includes the second sub-portion, and second sub-portion is located in second slot, and described
Two sub-portions and second corresponding matching are arranged.
4. stator module according to claim 3, it is characterised in that: described second from the inner surface to the appearance
Face is extended, and described first is connected to setting with described second, and described second includes the first face, and described first faces toward
The circumferential setting of the iron core yoke part, second sub-portion include the first mating surface, at least partly described first face and at least portion
Divide the first cooperation face contact setting.
5. stator module according to claim 4, it is characterised in that: the iron core neck includes top and bottom, described
Top is concordant with the first end, and the bottom is concordant with the second end, and the iron core neck further includes third sub-portion,
The third sub-portion is formed with third slot, and the third slot is extended from the bottom to the top, the third sub-portion
It further include the first confined planes, first confined planes contact setting with the part inner surface.
6. stator module according to claim 5, it is characterised in that: described second and it is first described between be formed with
The ontology of second confined planes, the ontology and the first end of second confined planes is arranged in parallel, and the third sub-portion includes
Third confined planes, the ontology of the third confined planes and the ontology of first confined planes are vertically arranged, the third confined planes
With the second limit face contact setting.
7. stator module according to claim 6, it is characterised in that: define the top of the iron core neck to described
Minimum range between the bottom of iron core neck is first distance, defines the top of the iron core neck to described the
Minimum range between three confined planes is second distance, and the second distance and the ratio of the first distance are less than or equal to 0.5.
8. stator module according to any one of claims 1 to 7, it is characterised in that: the iron core yoke part is by silicon steel lamella
Folded to form and be fixed as one by riveting, the iron core teeth portion is laminated by silicon steel sheet and passes through riveting and is fixed as one；
Axial direction of the stacking direction of the silicon steel sheet of the iron core yoke part along the stator core, the stacking of the silicon steel sheet of the iron core teeth portion
Direction and the stacking direction of the silicon steel sheet of the iron core yoke part are vertically arranged, and the stacking side of the silicon steel sheet of the iron core teeth portion
To the circumferential direction setting towards the iron core yoke part.
9. stator module according to claim 8, it is characterised in that: iron core boots portion includes straight with the iron core neck
The silicon steel sheet of the first part connect in succession, the silicon steel sheet of first part's same layer and the iron core neck same layer is same
Piece；Iron core boots portion further includes the second part not connecting with iron core neck directly, the silicon steel sheet of the second part and institute
It states first part's silicon steel sheet to be stacked, the second part and the first part are fixed by riveting.
10. stator module according to any one of claims 1 to 9, it is characterised in that: the iron core neck includes outside first
Side and the second outside portion, on the stacking direction of the iron core neck, first outside portion and second outside portion are
The outer surface of the silicon steel sheet of two ends of the iron core neck being located at defines first outside portion and second outside portion
Between minimum range be third distance, iron core boots portion includes third outside portion and the 4th outside portion, in the iron core boots
On the stacking direction in portion, the third outside portion and the 4th outside portion is positioned at the silicon steel of two ends in iron core boots portion
The outer surface of piece, define the distance between the third outside portion and the 4th outside portion be the 4th distance, the described 4th away from
It is small more than or equal to 1 from the ratio for being more than or equal to 1 or described 4th distance and the third distance with the ratio with a distance from the third
In equal to 2.
11. stator module according to claim 10, it is characterised in that: along the axial direction of the stator core, define institute
The axial height for stating iron core neck is the first height, and the axial height in iron core boots portion is the second height, second height
The ratio for being greater than 1 or described second height and first height with the ratio of first height is less than or equal to more than or equal to 2
6。
12. according to claim 1 to 11 described in any item stator modules, it is characterised in that: iron core boots portion includes wall surface,
In iron core boots portion and the iron core neck junction, the face that definition is located at the iron core boots portion of the junction is connection
Face, the wall surface are oppositely arranged with the joint face, define a tangent circle, the tangent circle and the tangent setting of the wall surface, fixed
The justice tangent diameter of a circle is first diameter, and the diameter of the outer surface of the iron core yoke part is second diameter, described the
The ratio of one diameter and the second diameter is more than or equal to 0.4 and is less than or equal to 0.6.
13. a kind of motor, the motor includes electric machine casing, stator module and rotor assembly, and the stator module is right
It is required that the described in any item stator modules of 1-12.
14. a kind of electrodynamic pump, the electrodynamic pump includes stator module, including pump case, rotor assembly and stator module, institute
State pump case and form pump inner cavity, the rotor assembly and the stator module are set to the pump inner cavity, the rotor assembly and
The stator module is isolated by separation sleeve to be arranged, and the stator module is the described in any item stator packs of claim 1-12
Part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711344545.4A CN109936265B (en) | 2017-12-15 | 2017-12-15 | Stator assembly, and motor and electric pump having the same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711344545.4A CN109936265B (en) | 2017-12-15 | 2017-12-15 | Stator assembly, and motor and electric pump having the same |
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| Publication Number | Publication Date |
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| CN109936265A true CN109936265A (en) | 2019-06-25 |
| CN109936265B CN109936265B (en) | 2022-06-14 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110323849A (en) * | 2018-03-28 | 2019-10-11 | 杭州三花研究院有限公司 | Stator module and motor and electrodynamic pump with the stator module |
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| CN106300713A (en) * | 2016-08-29 | 2017-01-04 | 广东威灵电机制造有限公司 | Stator core, stator and double-rotor machine for double-rotor machine |
| CN205945473U (en) * | 2016-08-23 | 2017-02-08 | 浙江金达电机电器有限公司 | Brushless motor |
| CN107026519A (en) * | 2016-01-29 | 2017-08-08 | 浙江三花汽车零部件有限公司 | Stator module and motor and electronic pump with the stator module |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP2590302A1 (en) * | 2010-06-30 | 2013-05-08 | Panasonic Corporation | Motor, pump using the motor as the driving source, and hot-water supply device, dish washer, and washing machine that have the pump mounted therein |
| CN104734376A (en) * | 2014-12-23 | 2015-06-24 | 广东威灵电机制造有限公司 | Motor stator iron core, motor stator, motor, and manufacturing method of motor stator |
| CN107026519A (en) * | 2016-01-29 | 2017-08-08 | 浙江三花汽车零部件有限公司 | Stator module and motor and electronic pump with the stator module |
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| CN110323849A (en) * | 2018-03-28 | 2019-10-11 | 杭州三花研究院有限公司 | Stator module and motor and electrodynamic pump with the stator module |
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| CN109936265B (en) | 2022-06-14 |
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