CN107707043A - Stator module, motor and electronic pump - Google Patents
Stator module, motor and electronic pump Download PDFInfo
- Publication number
- CN107707043A CN107707043A CN201710953547.7A CN201710953547A CN107707043A CN 107707043 A CN107707043 A CN 107707043A CN 201710953547 A CN201710953547 A CN 201710953547A CN 107707043 A CN107707043 A CN 107707043A
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- China
- Prior art keywords
- iron core
- silicon steel
- steel sheet
- neck
- stator module
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/14—Stator cores with salient poles
- H02K1/146—Stator cores with salient poles consisting of a generally annular yoke with salient poles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D13/0673—Units comprising pumps and their driving means the pump being electrically driven the motor being of the inside-out type
Abstract
A kind of stator module, including stator core and winding, stator core includes iron core teeth portion and iron core yoke part, stator core yoke portion is formed by the silicon steel sheet of stacking, iron core teeth portion is formed by the silicon steel sheet of stacking, iron core teeth portion includes iron core neck and iron core boots portion, the axial direction of the stacked direction of the silicon steel sheet of iron core yoke part along stator module, and the stacked direction of the silicon steel sheet of iron core neck is identical with the stacked direction of the silicon steel sheet of iron core yoke part.
Description
The application is：2016-01-29, Application No. 201610070324.1, entitled stator module
And motor and the divisional application of the Chinese invention patent application of electronic pump with the stator module.
【Technical field】
The present invention relates to a kind of DC brushless motor, and in particular to a kind of motor component.
【Background technology】
Electric machine assembly includes motor stator and rotor, and motor stator includes stator core and stator winding, and motor is fixed
Son can produce the magnetic field of certain rule after coil electricity, and rotor includes permanent-magnet material, and rotor can be in motor
Rotated in the presence of magnetic field caused by stator.Stator core includes iron core yoke part and iron core teeth portion, stator winding are wound in iron core
Teeth portion, the shape of iron core teeth portion affects the winding of stator winding, and then influences the distribution in magnetic field caused by motor stator, and then
Influence the efficiency of motor.
Therefore, it is necessary to existing technology is improved, to solve above technical problem.
【The content of the invention】
It is an object of the invention to provide a kind of stator module, convenient manufacture, manufacturing cost is advantageously reduced.
To achieve the above object, the present invention adopts the following technical scheme that：A kind of stator module, including stator core and around
Group, the stator core include iron core teeth portion and iron core yoke part, and the iron core yoke part includes inner peripheral surface and outer peripheral face, the iron core
Inner peripheral surface or outer peripheral face arrangement of the teeth portion along the iron core yoke part, it is characterised in that：The silicon steel that the iron core yoke part passes through stacking
Piece is formed, and the iron core teeth portion is formed by the silicon steel sheet of stacking, and the iron core teeth portion includes iron core neck and iron core boots portion, institute
State iron core neck both ends and connect the iron core yoke part and the iron core boots portion respectively；The stacking side of the silicon steel sheet of the iron core yoke part
To the axial direction along the stator module, the axial direction of the stacked direction of the silicon steel sheet of the iron core neck along the stator module, edge
The axial direction of the stator module, the height of the iron core neck are less than the height in the iron core boots portion.
Stator module includes the iron core teeth portion and iron core yoke part being formed separately, and iron core teeth portion and iron core yoke part pass through silicon steel
Piece shapes, and the direction of the stacking of silicon steel sheet is identical, is advantageous to mold smallization and simplifies mould structure, advantageously reduces life
Produce cost；The height of iron core teeth portion is less than the height in iron core boots portion simultaneously, advantageously reduces the length of winding, is advantageous to save material
Material, magnetic resistance is advantageously reduced, improve operating efficiency.
【Brief description of the drawings】
Fig. 1 is a kind of dimensional structure diagram of the electronic pump with broken section of the present invention；
Fig. 2 is a cross section structure schematic diagram of electronic pump shown in Fig. 1；
Fig. 3 is a dimensional structure diagram of the stator module of electronic pump shown in Fig. 1；
Fig. 4 is a dimensional structure diagram of the first embodiment of the stator core of stator module shown in Fig. 3；
Fig. 5 is a partial structural diagram of stator core shown in Fig. 4；
Fig. 6 is a dimensional structure diagram of second of embodiment of the stator core of stator module shown in Fig. 3；
Fig. 7 is a dimensional structure diagram of the iron core teeth portion of stator core shown in Fig. 4；
Fig. 8 is a dimensional structure diagram of the third embodiment of the stator core of stator module shown in Fig. 3；
Fig. 9 is a dimensional structure diagram of the iron core neck of stator core shown in Fig. 8；
Figure 10 is the right side structural representation of iron core neck shown in Fig. 9；
Figure 11 is the positive structure schematic of iron core neck shown in Fig. 9；
Figure 12 is the left view structural representation of iron core neck shown in Fig. 9；
Figure 13 is a dimensional structure diagram in the iron core boots portion of stator core shown in Fig. 8；
Figure 14 is the positive structure schematic in the portion of iron core boots shown in Figure 13；
Figure 15 is the left view structural representation in the portion of iron core boots shown in Figure 13；
Figure 16 is a dimensional structure diagram of the 4th kind of embodiment of the stator core of stator module shown in Fig. 3；
Figure 17 is a dimensional structure diagram of the iron core teeth portion of stator core shown in Figure 16；
Figure 18 is a positive structure diagram of iron core teeth portion shown in Figure 17.
【Embodiment】
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings：
With reference to referring to Fig. 1 to Fig. 3, electronic pump 10 include housing 91, rotor assembly 92, stator module 20, electric-controlled plate 93 with
And impeller 94, housing 91 form pump inner chamber, rotor assembly 92, stator module 20, electric-controlled plate 93 and impeller 94 are arranged in pump
Intracavitary, excitation field is produced by the electric current of stator module 20 by the control of electric-controlled plate 93, rotor assembly 92 includes permanent magnet, forever
Magnet produces magnetic field, and permanent magnet rotates in the presence of excitation field, and the direct or indirect impeller 94 of permanent magnet rotates, impeller
94 rotate the pressure for driving fluid and pumping fluid out pump inner chamber and lifting fluid.
In the present embodiment, stator module 20 is arranged at the periphery of rotor assembly 92, and stator module 20 and rotor assembly 92 are logical
Housing isolation is crossed, i.e., rotor assembly 92 is arranged at housing inner circumferential, and stator module 20 is arranged at housing periphery, in order to ensure rotor set
The rotation of part 92 is happy, and the periphery of rotor assembly 92 is apart from the certain gap of the inner circumferential of housing, and stator module 20 is close to housing
Periphery is set, and in order to ensure the electromagnetic force of motor, the distance of the inner circumferential of stator module 20 and the periphery of rotor assembly 92 can not be unlimited
Make increase but relatively the smaller the better.
In the present embodiment, stator module 20 includes stator core 30, insulating barrier 40 and winding 50, and insulating barrier 40 is at least set
The partial outer face such as outer surface of stator neck 80 of stator core 30 and the surface at the both sides position of stator neck 80 are placed in, to
Isolate stator core 30 and winding 50, ensure the insulating properties of winding 50；Stator core 30 is laminated by silicon steel sheet and riveted and formed,
Cost is so advantageously reduced using conventional material and common manufacturing process.Stator module 30 includes stator yoke 70 and determined
Sub- neck 80, stator neck 80 are arranged at the inner circumferential of stator yoke 70, and adjacent stator neck 80 is arranged at stator yoke 70 not
Same layer, the stator neck 80 at interval are arranged at the identical layer of stator yoke 70, and winding 50 is wound in the outer peripheral face of stator neck 80,
The distance of adjacent stators neck 80 can so be increased, facilitate the winding of winding；Or the distance in identical stator neck 80
In the case of the external diameter of stator module 20 can be caused to reduce, and then identical gap coordinate in the case of, electricity can be reduced
The radial dimension of sub- pump so that the outside dimension of electronic pump diminishes.Stator neck 80 includes the iron core that the stator core of stacking is formed
Neck (as shown in Fig. 4 to Figure 18 embodiment), iron core neck include the first cambered surface portion and second that the silicon steel sheet of stacking is formed
Portion's face, relative to the iron core neck of rectangle, girth is more in the case of identical sectional area for the iron core neck with cambered surface portion
It is small, the length of winding is advantageously reduced, saves material, while the length of winding reduces and advantageously reduces copper loss mistake, is advantageous to carry
High electric efficiency, and then improve the efficiency of electronic pump.
Fig. 4 and Fig. 5 is the structural representation of the first embodiment of stator core；Referring to Fig. 4 and Fig. 5, stator core
100 include the silicon steel sheet of stacking, and stator core 100 includes iron core yoke part 1 and iron core teeth portion 2.In the present embodiment, iron core yoke part 1
It is connected as a single entity with iron core teeth portion 2 by integrally formed silicon steel sheet, inner peripheral surface arrangement of the iron core teeth portion 2 along iron core yoke part 1, specifically
Ground, the silicon steel sheet of part iron core yoke part 1 and the silicon steel sheet of iron core teeth portion 2 are structure as a whole in same layer, strengthen the He of iron core yoke part 1
The bonding strength of iron core teeth portion 2.
Iron core yoke part 1 includes inner peripheral surface 11, outer peripheral face 12, first end 13, the second end 14, in the silicon of iron core yoke part 1
The stacked direction of steel disc, the projection of inner peripheral surface 11 is in polygon, and the projection of outer peripheral face 12 is rounded, the end of first end 13 and second
Portion 14 is located at the both ends of iron core yoke part 1, and first end 13 and the second end 14 connect inner peripheral surface 11 and outer peripheral face 12, multilayer silicon steel
The iron core yoke part 1 that piece riveting is integrated, each layer of silicon steel sheet of iron core yoke part 1 is integrated the structure of closure, in stator core
Same layer silicon steel sheet, iron core yoke part 1 is integrated with the connecting portion of iron core teeth portion 2 and the silicon steel sheet of part iron core teeth portion 2
Structure.
Iron core teeth portion 2 includes iron core neck 21 and iron core boots portion 22, and iron core neck 21 provides support, iron core for winding winding
Boots portion 22 is used to collect magnetic field, and iron core boots portion 22 is connected by iron core neck 21 with iron core yoke part 1.Iron core neck 21 and iron core yoke
Portion 1 is connected, and iron core yoke part 1 includes connecting portion, and connecting portion is directly connected to iron core neck 21, the silicon steel sheet and iron of iron core neck 21
The silicon steel sheet of the connecting portion in core yoke portion 1 is structure as a whole in same layer, and iron core boots portion 22 includes Part I 221 and Part II
222, Part I 221 is directly connected to iron core neck 21, and the silicon steel sheet of Part I 221 exists with the silicon steel sheet of iron core neck 21
Same layer is structure as a whole, and then Part I 221 is fixed with iron core neck 21, and the silicon steel sheet of Part II 222 is laminated in
In a part 221, Part II 222 is fixed with Part I 221 by riveting.
Iron core neck 21 includes the first arc portion 211, the second arc portion 212, the first planar portions 213 and the second planar portions 214, the
One arc portion 211 and the second arc portion 212 are oppositely arranged, and the first planar portions 213 and the second planar portions 214 are oppositely arranged, the first plane
The planar portions 214 of portion 213 and second is positioned at the outer surface of the silicon steel sheet at the both ends of the stacked direction of iron core neck 21, the first arc portions
211 and second the silicon steel sheet that passes through stacking of arc portion 212 the class arcuation that is formed of side.
In order to facilitate description, definition：The stacked direction of the silicon steel sheet of iron core neck 21 is the short transverse of iron core neck 21,
Width with the perpendicular direction of stacked direction for iron core neck 21, i.e. the first planar portions 213 and the second planar portions 214
Distance is the height H of iron core neck, the width of the silicon steel sheet of most wide iron core neck 21 for iron core neck 21 width W, it is most wide
Iron core neck 21 silicon steel sheet be located at iron core neck 21 height middle part a piece of or continuous several silicon steel sheets.In iron
The short transverse of core neck 21, the silicon steel sheet width of iron core neck 21 is from first the 213 to the second planar portions of planar portions 214 in first passing
Increase the trend successively decreased again.
First arc portion 211 and the second arc portion 212 include two kinds of situations in class arcuation：The silicon steel sheet of iron core neck 21 is from first
Planar portions 213 are incremented by the middle part of the height of stacking and the center of height from stacking is decremented to the second planar portions 214, and such the
One arc portion 211 or the second arc portion 212 are one section of arc；Being additionally included in the center of stacking includes several blocks of width identical silicon steel sheets, makes
Obtaining the first arc portion 211 or the second arc portion 212 includes two sections of arcs and one section of width identical line part.
The top of first arc portion 211 to the first distance W at the top of the second arc portion 212 and the first plane and the first plane it
Between the ratio between second distance H be more than or equal to 1/2 and be less than or equal to 1, the silicon steel sheet for so passing through stacking in iron core neck 21 forms arc
Face, under the requirement of same magnetic flux, the girth of iron core neck 21 can be reduced, and reduce copper loss, be advantageous to improve application
The power of motor of this stator module.
In the present embodiment, the second planar portions 214 of iron core neck 21 and an end of the Part I 221 in iron core boots portion 22
Alignment is set, and the first planar portions 213 that the Part II 222 in iron core boots portion 22 protrudes from iron core neck 21 are set, so setting
So that one end of iron core teeth portion 2 is concordant benchmark, and it is so simple for shaping the mould structure of iron core teeth portion 2, be advantageous to drop
Low manufacturing cost.
The inner peripheral surface 11 of iron core teeth portion 2 and iron core yoke part 1 is fixed, adjacent in the stacked direction of the silicon steel sheet of iron core yoke part 1
Iron core teeth portion 2 and iron core yoke part 1 connecting portion interlaced arrangement up and down, i.e., the iron core neck 21 of one iron core teeth portion 2 is close to iron
The first end 13 in core yoke portion 1 is set, and the iron core neck 21 of adjacent thereto two iron core teeth portion 2 is close to the of iron core yoke part 1
Two ends 14 are set, and the iron core neck of such interlaced arrangement is advantageous to increase the distance at the center of adjacent iron cores neck 21, favorably
In the winding of winding, winding after winding may have certain overlapping in projecting direction, can reduce the wire winding of winding
Requirement.
In the present embodiment, the first planar portions of iron core teeth portion 2 and the first end 13 of iron core yoke part 1 or the second end 14 are right
Neat to set, such iron core yoke part has common concordant benchmark, ease of assembly with the finishing die of iron core teeth portion.
Fig. 6 and Fig. 7 is the structural representation of second of embodiment of stator core；Referring to Fig. 6 and Fig. 7, stator core
200 include iron core yoke part 3 and iron core teeth portion 4, and iron core yoke part 3 and iron core teeth portion 4 are laminated to be formed by silicon steel sheet respectively, i.e. iron
Core yoke portion 3 and iron core teeth portion 4 are individually shaped, and iron core yoke part 3 and iron core teeth portion 4 are fixed by insulating barrier；Such each several part
Silicon steel sheet corresponding to being formed respectively, is advantageous to improve the utilization rate of material, and then advantageously reduces the cost of silicon steel material, simultaneously
Mould can also simplify, and reduce production cost.
Iron core yoke part 3 includes inner peripheral surface 31, outer peripheral face 32, first end 33, the second end 34, along the silicon of iron core yoke part 3
The stacked direction of steel disc, the projection of iron core yoke part 3 is annular in shape, and the projection of inner peripheral surface 31 is in polygon, and the projection of outer peripheral face 32 is in
Circle, first end 33 and the second end 34 are located at the both ends of iron core yoke part 3, and first end 33 and the second end 34 connect inner circumferential
Face 31 and outer peripheral face 32, each layer of silicon steel sheet of iron core yoke part 3 are integrated closing structure, the fixed shape of silicon steel sheet riveting of stacking
Integral iron core yoke part 3.
The inner peripheral surface 31 of iron core yoke part 3 is provided with installation groove 35, and installation groove 35 is uniformly distributed along inner peripheral surface 31, installation
The groove that groove 35 is formed from inner peripheral surface 31 to the body of iron core yoke part 3, installation groove 35 run through first end 33 and the second end
34 so that iron core teeth portion 2 can be installed from the wherein one end of iron core yoke part 1, easy to assembly.
Include iron core neck 41 and iron core boots portion 42, the silicon steel of iron core neck 41 with reference to referring to Fig. 6 and Fig. 7, iron core teeth portion 4
The stacked direction of piece is identical with the stacked direction of the silicon steel sheet in iron core boots portion 42, the silicon steel sheet and part iron that iron core neck 41 is laminated
The silicon steel sheet of the stacking in core boots portion 42 is structure as a whole so that iron core neck 41 and iron core boots portion 42 connect more firm.
Iron core neck 41 includes wound portion 411 and installation portion 412, and wound portion 411 is used to provide support for winding winding, pacified
Installed for iron core teeth portion 4 with iron core yoke part 1 spacing in dress portion 412.Wound portion 411 include the first arc portion 4111, the second arc portion 4112,
First planar portions 4113 and the second planar portions 4114, the first arc portion 4111 and the second arc portion 4112 are by forming wound portion 411
The class arcuation that the side of the silicon steel sheet of stacking is formed, the first planar portions 4113 and the second planar portions 4114 are to form wound portion 411
The outer surface of silicon steel sheet at both ends of silicon steel sheet of stacking formed, the first arc portion 4111 and the second arc portion 4112 are oppositely arranged,
First planar portions 4113 and the second planar portions 4114 are oppositely arranged.
In order to facilitate description, definition：The stacked direction of the silicon steel sheet of wound portion 411 is the short transverse of wound portion 411, with
The perpendicular direction of stacked direction is the width of wound portion 411, in the short transverse of wound portion 411, the silicon of wound portion 411
The trend that steel disc width successively decreases again from first the 4113 to the second planar portions of planar portions 4114 in being first incremented by.
First arc portion 4111 and the second arc portion 4112 include two kinds of situations in class arcuation：The silicon steel sheet width of wound portion 411
It is incremented by from the first planar portions 4113 to the middle part of the height of stacking and the silicon steel sheet width of wound portion 411 is from the height being laminated
The heart to the second planar portions 4114 are successively decreased, and such arc portion 4112 of first arc portion 4111 or second is one section of arc；It is additionally included in stacking
Center includes several blocks of width identical silicon steel sheets so that the first arc portion 4111 or the second arc portion 4112 include two sections of arcs and one section wide
Spend the line part that identical silicon steel sheet is formed.
The first distance W at the top of the first arc portion 4111 to the top of the second arc portion 4112 and the first planar portions 4113 and
The ratio between second distance H between two planar portions 4114 is more than or equal to 1/2 and is less than or equal to 1, so passes through stacking in wound portion 411
Silicon steel sheet forms cambered surface portion, and under the requirement of same magnetic flux, the girth of wound portion 411 can be reduced, and reduces copper loss, favorably
Power of motor in raising using this stator module.
Iron core boots portion 42 includes Part I 421 and Part II 422, and Part I 421 directly connects with iron core neck 41
Connect, the silicon steel sheet of the silicon steel sheet and iron core neck 41 of the stacking of Part I 421 is integrally formed, and Part II 422 is laminated in
A part 421 is simultaneously fixed by riveting.
Installation portion 412 includes lug boss 4121 and stage portion 4122, and installation portion 412 is arranged at wound portion with iron core boots portion 42
411 both ends, lug boss 4121 are inserted in the installation groove 35 of iron core yoke part 3, and it is raised that stage portion 4122 contacts limitation with inner peripheral surface
Portion 4121 inserts the depth of installation groove 35.The length direction office for the silicon steel sheet that lug boss 4121 and stage portion 4122 pass through stacking
Portion's protrusion is set.
In the present embodiment, the first planar portions 4113 of iron core neck 41 and an end of the Part I 421 in iron core boots portion 42
End alignment is set, and the second planar portions 4114 that the Part II 422 in iron core boots portion 42 protrudes from iron core neck 421 are set, so
Set and make it that iron core teeth portion 4 is concordant benchmark at one end, it is so simple for shaping the mould structure of iron core teeth portion 4, favorably
In reduction manufacturing cost.
Iron core teeth portion 4 is spacing by lug boss 4121 and installation groove 35 with iron core yoke part 3, and is fixed by insulating barrier,
In the stacked direction of the silicon steel sheet of iron core yoke part 3, adjacent iron core teeth portion 4 and interlaced arrangement above and below the connecting portion of iron core yoke part 3,
The iron core neck 41 of i.e. one iron core teeth portion 4 is set close to the first end 33 of iron core yoke part 3, adjacent thereto two iron core teeths
The iron core neck 41 in portion 4 is set close to the second end 34 of iron core yoke part 3, and the iron core neck of such interlaced arrangement is advantageous to increase
The distance at the center of adjacent iron cores neck 41, be advantageous to the winding of winding, the winding after winding may have one in projecting direction
Fixed is overlapping, can reduce the requirement of the wire winding of winding.
After iron core teeth portion 4 is fixed with iron core yoke part 3, the stacked direction of the silicon steel sheet of iron core teeth portion 4 and the silicon of iron core yoke part 3
The stacked direction of steel disc is identical, and for folded high smaller stator core, this is simple in construction, and stock utilization is high, manufactures simultaneously
Property is good.
Fig. 8 to Figure 15 is the structural representation in whole or in part of the third embodiment of stator core, fixed referring to Fig. 5
Sub- iron core 300 includes iron core yoke part 3, iron core neck 5 and iron core boots portion 6, and iron core neck 5 provides support, iron for the winding of winding
Core boots portion 6 is used to collect magnetic field, and iron core yoke part 3 is that multiple iron core necks 5 provide installation support.Iron core yoke part 3, iron core neck 5
With iron core boots portion 6 respectively by being laminated respective silicon steel sheet and riveting fixed shaping, iron core yoke part 3, iron core neck 5 and iron core boots
It is fixed as one after portion 6 is spacing by insulating barrier injection.Iron core teeth portion includes iron core neck 5 and iron core boots portion 6 in the present embodiment.
In the present embodiment, iron core yoke part 3 is identical with iron core yoke part in second embodiment 3, and iron core yoke part 3 includes the first peace
Fill groove 35.Iron core neck 5 includes the first installation portion 51, the second installation portion 52 and wound portion 53, the first installation portion 51 and
Two installation portions 52 are respectively arranged at the both ends of wound portion 53, the stacking side of the silicon steel sheet along iron core neck 5 of the first installation portion 51
To extension, the second installation portion 52 is located at the end of iron core neck and the vertical direction of the silicon steel sheet stacking along iron core neck 5 extends.
First installation portion 51 includes lug boss 511 and stage portion 512, and lug boss 511 is inserted in the first installation groove 35, stage portion 512
Setting is contacted with the inner peripheral surface of iron core yoke part 3, limits the insertion depth of lug boss 511.
Wound portion 53 include the first arc portion 531, the second arc portion 532, the first planar portions 533, the second planar portions 534, first
The class arcuation that the arc portion 532 of arc portion 531 and second is formed by forming the side of the silicon steel sheet of the stacking of wound portion 53, the first plane
The planar portions 534 of portion 533 and second are that the outer surface of the silicon steel sheet at the both ends of the silicon steel sheet for the stacking for forming wound portion 53 is formed, the
One arc portion 531 and the second arc portion 532 are oppositely arranged, and the first planar portions 533 and the second planar portions 534 are oppositely arranged.
In order to facilitate description, definition：The stacked direction of the silicon steel sheet of wound portion 53 is the short transverse of wound portion 53, with layer
The perpendicular direction in folded direction is the width of wound portion 53, in the short transverse of wound portion 53, the silicon steel sheet of wound portion 53
The trend that width successively decreases again from first the 533 to the second planar portions of planar portions 534 in being first incremented by.
First arc portion 531 and the second arc portion 532 include two kinds of situations in class arcuation：The silicon steel sheet width of wound portion 53 is from
The middle part for the height that one planar portions 533 are incremented by the middle part of the height of stacking and the width of the silicon steel sheet of wound portion 53 is laminated certainly is extremely
Second planar portions 534 are successively decreased, and such arc portion 532 of first arc portion 531 or second is one section of arc；Being additionally included in the center of stacking includes
Several blocks of width identical silicon steel sheets so that the first arc portion 531 or the second arc portion 532 include two sections of arcs and one section of width identical silicon
The line part that steel disc is formed.
The first distance W at the top of the first arc portion 531 to the top of the second arc portion 532 and the first planar portions 533 and second
The ratio between second distance H between planar portions 534 is more than or equal to 1/2 and is less than or equal to 1, the silicon steel for so passing through stacking in wound portion 53
Piece forms cambered surface portion, and under the requirement of same magnetic flux, the girth of wound portion can be reduced, and reduces copper loss, is advantageous to improve
Using the power of motor of this stator module.
Iron core boots portion 6 includes the second installation groove 61 and magnetic collection surface 62, and the second installation groove 61 is arranged at magnetic collection surface
62 opposite face, the second installation groove 61 are set close to an end away from another end, wherein the extension of the second installation groove 61
Direction is identical with the stacked direction of the silicon steel sheet in iron core boots portion 6.
Iron core yoke part 3, iron core neck 5 and iron core boots portion 6 combine, and iron core neck 5 inserts iron by the first installation portion 51
First installation groove 35 in core yoke portion 3, iron core neck 5 insert second installation groove in iron core boots portion 6 by the second installation portion 52
61, after combination, iron core yoke part 3 is identical with the stacked direction of iron core neck 5, stacked direction and the iron core neck 5 in iron core boots portion 6
Stacked direction is vertical, and so both stress are advantageous to improve bonding strength than more uniform.
After iron core yoke part 3 and iron core neck 5 are fixed by the injection of fixed insulation layer, in the layer of the silicon steel sheet of iron core yoke part 3
Folded direction, adjacent iron core neck 5 and interlaced arrangement above and below the connecting portion of iron core yoke part 3, i.e., an iron core neck 5 is close to iron core
The first end 33 in yoke portion 3 is set, and adjacent thereto two iron core necks 5 are set close to the second end 34 of iron core yoke part 3, this
The iron core neck 5 of sample interlaced arrangement is advantageous to increase the distance at the center of adjacent iron cores neck 5, is advantageous to the winding of winding, twines
Winding after may have certain overlapping in projecting direction, can reduce the requirement of the wire winding of winding.
Figure 16 to Figure 18 is the structural representation in whole or in part of the 4th kind of embodiment of stator core；Referring to Figure 16 extremely
Figure 18, stator core 400 include iron core yoke part 3 and iron core teeth portion 8, and iron core yoke part 3 and iron core teeth portion 8 are laminated and riveted solid respectively
Figuration, iron core yoke part 3 is identical with the structure of iron core yoke part 3 of second embodiment and the 3rd embodiment, iron core yoke part 3 and iron
Core teeth portion 8 is molded by insulating barrier and fixed.
Iron core teeth portion 8 includes iron core neck 81 and iron core boots portion 82, and iron core neck 81 and iron core boots portion 82 are in same stacking
Silicon steel sheet be structure as a whole, can so strengthen iron core neck 81 and the bonding strength in iron core boots portion 82, iron core neck 81 wraps
Include wound portion 811 and installation portion 812, wound portion 811 provides support for winding winding, iron core neck 81 by installation portion 812 and
Iron core yoke part 3 connects.
Wound portion 811 includes the first arc portion 8111, the second arc portion 8112, the first planar portions 8113, the second planar portions 8114,
The class arcuation that first arc portion 8111 and the second arc portion 8112 are formed by forming the side of the silicon steel sheet of the stacking of wound portion 811,
First planar portions 8113 and the second planar portions 8114 are the outer of the silicon steel sheet at the both ends of the silicon steel sheet for the stacking for forming wound portion 811
Surface is formed, and the first arc portion 8111 and the second arc portion 8112 are oppositely arranged, the first planar portions 8113 and the phase of the second planar portions 8114
To setting.
In order to facilitate description, definition：The stacked direction of the silicon steel sheet of wound portion 811 is the short transverse of wound portion 8111,
With the width that the perpendicular direction of stacked direction is wound portion 811, in the short transverse of wound portion 811, wound portion 811
The trend that silicon steel sheet width successively decreases again from first the 8113 to the second planar portions of planar portions 8114 in being first incremented by.
First arc portion 8111 and the second arc portion 8112 include two kinds of situations in class arcuation：The width of the silicon steel sheet of wound portion 811
Spend the height that the middle part from the first planar portions 8113 to the height of stacking is incremented by and the width of the silicon steel sheet of wound portion 811 is laminated certainly
Center to the second planar portions 8114 successively decrease, such arc portion 8112 of first arc portion 8111 or second is one section of arc；It is additionally included in layer
Folded center includes several blocks of width identical silicon steel sheets so that the first arc portion 8111 or the second arc portion 8112 include two sections of arcs and one
Section line part.
The first distance W at the top of the first arc portion 8111 to the top of the second arc portion 8112 and the first planar portions 8113 and
The ratio between second distance H between two planar portions 8114 is more than or equal to 1/2 and is less than or equal to 1, so passes through stacking in wound portion 811
Silicon steel sheet forms cambered surface portion, and under the requirement of same magnetic flux, the girth of wound portion 811 can be reduced, and reduces copper loss, favorably
Power of motor in raising using this stator module.
Wound portion 811 is connected relative to the eccentric setting of iron core boots portion 82, the one end of wound portion 811 with iron core boots portion 82, winding
The other end in portion 811 is connected with installation portion 812, and installation portion 812 includes lug boss 8121 and stage portion 8122, and lug boss 8121 is inserted
Enter in the installation groove 35 of iron core yoke part 3, stage portion 8122 contacts limitation lug boss 8121 with the inner peripheral surface of iron core yoke part 3 and inserted
The depth of installation groove 35.Locally protrusion is set the length direction for the silicon steel sheet that lug boss 8121 and stage portion 8122 pass through stacking
Put.
Iron core teeth portion 8 is spacing by lug boss 8121 and installation groove 35 with iron core yoke part 3, and is fixed by insulating barrier,
In the stacked direction of the silicon steel sheet of iron core yoke part 3, adjacent iron core teeth portion 8 and interlaced arrangement above and below the connecting portion of iron core yoke part 3,
The iron core neck 81 of i.e. one iron core teeth portion 8 is set close to the first end of iron core yoke part 3, adjacent thereto two iron core teeth portion
8 iron core neck 81 is set close to the second end of iron core yoke part, and the iron core neck 81 of such interlaced arrangement is advantageous to increase phase
The distance at the center of adjacent iron core neck 81, is advantageous to the winding of winding, and the winding after winding may have necessarily in projecting direction
It is overlapping, the requirement of the wire winding of winding can be reduced.
In the present embodiment, after iron core yoke part 3 and the fixation of iron core teeth portion 8, the stacked direction and iron of the silicon steel sheet of iron core yoke part 3
The stacked direction of the silicon steel sheet of core teeth portion 8 is perpendicular, and the stator core of the present embodiment is adapted to the stack height of iron core yoke part higher
Structure.
It should be noted that：Above example is merely to illustrate the present invention and not limits technical side described in the invention
Case, although this specification with reference to the above embodiments to present invention has been detailed description, the common skill of this area
Art personnel should be appreciated that person of ordinary skill in the field still can modify or equivalent substitution to the present invention, and
All do not depart from the technical scheme of the spirit and scope of the present invention and its improvement, all should cover in scope of the presently claimed invention
It is interior.
Claims (14)
1. a kind of stator module, including stator core and winding, the stator core includes iron core teeth portion and iron core yoke part, described
Iron core yoke part includes inner peripheral surface and outer peripheral face, and inner peripheral surface or outer peripheral face of the iron core teeth portion along the iron core yoke part are arranged, its
It is characterised by：The iron core yoke part is formed by the silicon steel sheet of stacking, and the iron core teeth portion is formed by the silicon steel sheet of stacking, institute
Stating iron core teeth portion includes iron core neck and iron core boots portion, and the iron core neck both ends connect the iron core yoke part and the iron respectively
Core boots portion；Axial direction of the stacked direction of the silicon steel sheet of the iron core yoke part along the stator module, the silicon steel of the iron core neck
Axial direction of the stacked direction of piece along the stator module, along the axial direction of the stator module, the height of the iron core neck is less than
The height in the iron core boots portion.
2. stator module according to claim 1, it is characterised in that：The iron core neck includes a middle silicon steel sheet, institute
It is maximum to state the width of middle silicon steel sheet, the middle silicon steel sheet is located at the centre of the stack height of the iron core neck, and described the
The silicon steel sheet quantity same widths of one middle silicon steel sheet both sides are identical, from the middle silicon steel sheet to the silicon of first planar portions
The silicon steel sheet of steel disc or second planar portions, the width of the silicon steel sheet of the iron core neck gradually decrease.
3. stator module according to claim 1, it is characterised in that：The iron core neck includes silicon steel among at least two panels
Piece, the width of the middle silicon steel sheet is maximum, and the middle silicon steel sheet is located at the centre of the stack height of the iron core neck, institute
It is identical and width is identical to state the silicon steel sheet quantity of the first middle silicon steel sheet both sides, from the middle silicon steel sheet to described first flat
The silicon steel sheet of face or the silicon steel sheet of second planar portions, the width of the silicon steel sheet of the iron core neck gradually decrease.
4. the stator module described in 1 to 3 any one as requested, it is characterised in that：The stacking of the silicon steel sheet of the iron core neck
Direction is identical with the stacked direction of the silicon steel sheet of the iron core yoke part, the same layer of the iron core neck and the iron core yoke part
Silicon steel sheet is a piece of, and the iron core boots portion includes the Part I being directly connected to iron core neck, the silicon steel of the Part I
Piece is with a piece of with the silicon steel sheet of the iron core neck and the same layer for the iron core yoke part being connected with the iron core neck.
5. stator module according to claim 4, its feature exists：The iron core boots portion also include not directly with iron core neck
The Part II of connection, the silicon steel sheet of the Part II are stacked with the Part I silicon steel sheet, the Part II
Fixed with the Part I by riveting.
6. according to the stator module described in any one of claims 1 to 3, it is characterised in that：The iron core yoke part and the iron core
Teeth portion is fixed by the insulating barrier, and the iron core yoke part is provided with installation groove, and the iron core neck includes wound portion and peace
Dress portion, the installation portion include lug boss and stage portion, the lug boss and the stage portion and the installation groove and iron
The inner peripheral surface or outer peripheral face in core yoke portion are equipped with.
7. stator module according to claim 6, it is characterised in that：In the stacked direction of the silicon steel sheet of iron core teeth portion, institute
Each layer of silicon steel sheet for stating iron core neck and the iron core boots portion is with a piece of, and the iron core teeth portion is fixed as one by riveting
Body.
8. stator module according to claim 7, it is characterised in that：The iron core boots portion includes first end, the second end
End and magnetic collection surface, the magnetic collection surface are used to collect magnetic field, and the first end and the second end are located at magnetic collection
Face both ends, the first end is concordant with the first arc portion of the wound portion to be set.
9. stator module according to claim 4, it is characterised in that：The iron core neck provides branch for winding winding
Support, the iron core neck include the first arc portion, the second arc portion, the first planar portions and the second planar portions, first arc portion and institute
State the second arc portion to be oppositely arranged, first planar portions and second planar portions are oppositely arranged, first arc portion and described
Second arc portion is laminated by the silicon steel sheet of the iron core neck and formed；In the stacked direction of the iron core neck, first plane
Portion and second planar portions be positioned at the iron core neck two ends silicon steel sheet outer surface；Along the iron core neck
Silicon steel sheet stacked direction, from first planar portions and/or second planar portions to the height of the wound portion middle part,
The width of the silicon steel sheet incrementally causes first arc portion and second arc portion is in class arc portion shape；First arc portion and institute
The maximum distance of the second arc portion is stated as the first distance (W), the distance of first planar portions and second planar portions is second
Distance (H), the second distance are more than or equal to 1/2 with first ratio of distances constant and are less than or equal to 1.
10. stator module according to claim 6, it is characterised in that：In the stacked direction of the iron core teeth portion, the iron
The silicon steel sheet of core neck and part the iron core boots portion on the same layer is with a piece of, and the iron core teeth portion is fixed as by riveting
One.
11. stator module according to claim 6, it is characterised in that：The iron core boots portion and iron core neck separation
Set, the iron core boots portion and the iron core neck are molded by insulating barrier and fixed, the stacking of the silicon steel sheet in the iron core boots portion
Direction and the stacked direction of the silicon steel sheet of the iron core neck are vertically arranged.
12. according to the stator module described in claim any one of 1-11, it is characterised in that：The silicon steel sheet of the iron core yoke part
Stacking direction is the axial direction of the stator core, and the iron core teeth portion is connected with the iron core yoke part, the adjacent iron core neck
Portion is arranged at the different height of the iron core yoke part axial direction, and the iron core neck at interval is arranged in the axle of the iron core yoke part
To identical height at.
13. a kind of motor, the motor includes stator module, and the stator module is to determine described in claim any one of 1-12
Sub-component.
14. a kind of electronic pump, the electronic pump includes stator module, including pump case, rotor assembly, stator module and automatically controlled
Plate, the pump case form pump inner chamber, and the rotor assembly and the stator module are arranged at the pump inner chamber, the rotor set
Part and the stator module are isolated by pump case to be set, and the stator module is set around the rotor assembly, described automatically controlled
Plate electrically connects setting with the stator module, and the stator module is the stator module described in claim any one of 1-12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710953547.7A CN107707043B (en) | 2016-01-29 | 2016-01-29 | Stator module, motor and electronic pump |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710953547.7A CN107707043B (en) | 2016-01-29 | 2016-01-29 | Stator module, motor and electronic pump |
| CN201610070324.1A CN107026519B (en) | 2016-01-29 | 2016-01-29 | Stator assembly, and motor and electronic pump having the same |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610070324.1A Division CN107026519B (en) | 2016-01-29 | 2016-01-29 | Stator assembly, and motor and electronic pump having the same |
Publications (2)
| Publication Number | Publication Date |
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| CN107707043A true CN107707043A (en) | 2018-02-16 |
| CN107707043B CN107707043B (en) | 2020-01-07 |
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| CN201710953547.7A Active CN107707043B (en) | 2016-01-29 | 2016-01-29 | Stator module, motor and electronic pump |
| CN201610070324.1A Active CN107026519B (en) | 2016-01-29 | 2016-01-29 | Stator assembly, and motor and electronic pump having the same |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610070324.1A Active CN107026519B (en) | 2016-01-29 | 2016-01-29 | Stator assembly, and motor and electronic pump having the same |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110236407A (en) * | 2018-03-07 | 2019-09-17 | 广东美的生活电器制造有限公司 | Food processor and its failure error-reporting method and system |
| CN112671122A (en) * | 2020-12-31 | 2021-04-16 | 山东理工大学 | Stator and rotor block permanent magnet motor |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109936266B (en) * | 2017-12-15 | 2022-07-22 | Tvs电机股份有限公司 | Motor for vehicle |
| CN109936265B (en) * | 2017-12-15 | 2022-06-14 | 杭州三花研究院有限公司 | Stator assembly, and motor and electric pump having the same |
| CN108390477B (en) * | 2018-03-28 | 2024-03-08 | 珠海凯邦电机制造有限公司 | Stator assembly, stator core and motor |
| CN213693248U (en) * | 2020-11-27 | 2021-07-13 | 瑞声光电科技(常州)有限公司 | Stator, motor and water pump |
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| US6140726A (en) * | 1997-07-03 | 2000-10-31 | Minebea Co., Ltd. | Radial gap cylindrical motor having an increased number of slots |
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| CN112671122A (en) * | 2020-12-31 | 2021-04-16 | 山东理工大学 | Stator and rotor block permanent magnet motor |
| CN112671122B (en) * | 2020-12-31 | 2022-11-25 | 山东理工大学 | Stator and rotor block permanent magnet motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107026519A (en) | 2017-08-08 |
| CN107707043B (en) | 2020-01-07 |
| CN107026519B (en) | 2020-10-20 |
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