CN107026519A - Stator module and motor and electronic pump with the stator module - Google Patents
Stator module and motor and electronic pump with the stator module Download PDFInfo
- Publication number
- CN107026519A CN107026519A CN201610070324.1A CN201610070324A CN107026519A CN 107026519 A CN107026519 A CN 107026519A CN 201610070324 A CN201610070324 A CN 201610070324A CN 107026519 A CN107026519 A CN 107026519A
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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
-
- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The present invention relates to stator module and motor and electronic pump with the stator module, a kind of stator module, including stator core, stator core includes iron core yoke part and iron core teeth portion, iron core teeth portion includes iron core neck and iron core boots portion, iron core neck includes the first arc portion, second arc portion, first plane and the second plane, first arc portion and the second arc portion are oppositely arranged, first plane and the second plane are oppositely arranged, first arc portion and the second arc portion are laminated to be formed by the silicon steel sheet of iron core neck, first plane and the second plane are the outer surface of the silicon steel sheet of two ends of the iron core neck positioned at stacked direction;Silicon steel sheet formation arc portion so in iron core neck by stacking, in iron core neck sectional area under the same conditions, iron core neck perimeter of section can be reduced, and then reduce the winding length wound thereon, copper loss is reduced, is conducive to improving the efficiency of the motor using this stator module.
Description
【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, motor stator include stator core and stator around
Group, motor stator can produce the magnetic field of certain rule after coil electricity, and rotor includes permanent magnetism
Material, rotor can be rotated in the presence of the magnetic field that motor stator is produced.Stator core includes
Iron core yoke part and iron core teeth portion, stator winding are wound in iron core teeth portion, and the shape of iron core teeth portion is affected
The winding of stator winding, and then the distribution in the magnetic field of motor stator generation is influenceed, and then influence motor
Efficiency.
Therefore, it is necessary to be improved to existing technology, 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 is conducive to improving motor
Efficiency.
To achieve the above object, the present invention is adopted the following technical scheme that:A kind of stator module, including it is fixed
Sub- iron core and winding, the stator core include iron core teeth portion and iron core yoke part, the iron core yoke part bag
Inner peripheral surface and outer peripheral face are included, inner peripheral surface or outer peripheral face of the iron core teeth portion along the iron core yoke part are arranged,
The stator core is formed by the silicon steel sheet of stacking, and the iron core teeth portion includes iron core neck and iron core
Boots portion, the iron core neck two ends connect the iron core yoke part and the iron core boots portion respectively;The iron
Core neck provides support for winding winding, the iron core neck including the first arc portion, the second arc portion,
First planar portions and the second planar portions, first arc portion and second arc portion are oppositely arranged, described
First planar portions and second planar portions are oppositely arranged, first arc portion and second arc portion by
The silicon steel sheet of the iron core neck is laminated to be formed;In the stacked direction of the iron core neck, described first
Planar portions and second planar portions be positioned at the iron core neck two ends silicon steel sheet appearance
Face;Along the stacked direction of the silicon steel sheet of the iron core neck, from first planar portions and/or described
Two planar portions incrementally cause described first to the height middle part of the wound portion, the width of the silicon steel sheet
Arc portion and second arc portion are in class arc portion shape;The most long distance of first arc portion and second arc portion
From for (W) with a distance from first, the distance of first planar portions and second planar portions is second distance
(H), the second distance is more than or equal to 1/2 with first ratio of distances constant and is less than or equal to 1.
Compared with prior art, stator module of the invention forms cambered surface portion, and iron in iron core neck
Core neck is generally circular, and on the premise of iron core neck sectional area is constant, the girth of iron core neck can
To reduce, it is possible to reduce be wound in the length of the winding of iron core neck, production cost can be reduced, drop
Lower copper consumation, while the stator core of the present invention uses silicon steel sheet, can further reduce production cost.
The invention also discloses a kind of motor and electronic pump of application said stator component, be conducive to improving motor
With the power of motor of electronic pump.
【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 three-dimensional knot of the first embodiment of the stator core of stator module shown in Fig. 3
Structure schematic diagram;
Fig. 5 is a partial structural diagram of stator core shown in Fig. 4;
Fig. 6 is a three-dimensional knot of second of embodiment of the stator core of stator module shown in Fig. 3
Structure schematic diagram;
Fig. 7 is a dimensional structure diagram of the iron core teeth portion of stator core shown in Fig. 4;
Fig. 8 is a three-dimensional knot of the third embodiment of the stator core of stator module shown in Fig. 3
Structure schematic diagram;
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 three-dimensional knot of the 4th kind of embodiment of the stator core of stator module shown in Fig. 3
Structure schematic diagram;
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 includes housing 91, rotor assembly 92, stator pack
Part 20, electric-controlled plate 93 and impeller 94, the formation pump of housing 91 inner chamber, rotor assembly 92, stator
Component 20, electric-controlled plate 93 and impeller 94 are arranged at intracavitary in pump, are controlled by electric-controlled plate 93 logical
The electric current for crossing stator module 20 produces excitation field, and rotor assembly 92 includes permanent magnet, permanent magnet production
Magnetisation, permanent magnet is rotated in the presence of excitation field, the direct or indirect impeller 94 of permanent magnet
Rotate, impeller 94 rotates 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, stator module 20
Isolated with rotor assembly 92 by housing, i.e., rotor assembly 92 is arranged at housing inner circumferential, stator module
20 are arranged at housing periphery, in order to ensure that the rotation of rotor assembly 92 is happy, outside rotor assembly 92
Week, stator module 20 was set close to the periphery of housing, in order to protect apart from the inner circumferential of housing certain gap
The distance of the electromagnetic force of card motor, the inner circumferential of stator module 20 and the periphery of rotor assembly 92 can not be unlimited
System increases but relatively the smaller the better.
In the present embodiment, stator module 20 includes stator core 30, insulating barrier 40 and winding 50,
Insulating barrier 40 at least provided with such as outer surface of stator neck 80 of the partial outer face in stator core 30 and
The surface at the both sides position of stator neck 80, to isolate stator core 30 and winding 50, it is ensured that winding
50 insulating properties;Stator core 30 is laminated by silicon steel sheet and riveted and formed, and so uses what is commonly used
Material and common manufacturing process advantageously reduce cost.Stator module 30 includes the He of stator yoke 70
Stator neck 80, stator neck 80 is arranged at the inner circumferential of stator yoke 70, adjacent stator neck 80
The different layers of stator yoke 70 are arranged at, the stator neck 80 at interval is arranged at the phase of stator yoke 70
Same layer, winding 50 is wound in the outer peripheral face of stator neck 80, can so increase adjacent stators neck
80 distance, facilitates the winding of winding;Or in the case of the distance of identical stator neck 80
The external diameter of stator module 20 can be caused to reduce, and then in the case of coordinating in identical gap, can be with
Reduce the radial dimension of electronic pump so that the outside dimension of electronic pump diminishes.Stator neck 80 includes stacking
Stator core formation iron core neck (as shown in Fig. 4 to Figure 18 embodiment), iron core neck bag
The first cambered surface portion and second face that the silicon steel sheet of stacking is formed are included, relative to the iron core neck of rectangle,
Iron core neck with cambered surface portion girth in the case of identical sectional area is smaller, advantageously reduce around
The length of group, saves material, while the length of winding, which is reduced, advantageously reduces copper loss mistake, is conducive to carrying
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 includes the silicon steel sheet of stacking, and stator core 100 includes the He of iron core yoke part 1
Iron core teeth portion 2.In the present embodiment, iron core yoke part 1 and iron core teeth portion 2 pass through integrally formed silicon steel
Piece is connected as a single entity, inner peripheral surface arrangement of the iron core teeth portion 2 along iron core yoke part 1, specifically, part iron core
The silicon steel sheet in yoke portion 1 and the silicon steel sheet of iron core teeth portion 2 are structure as a whole in same layer, strengthen iron core yoke
Portion 1 and 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 stacked direction of the silicon steel sheet of iron core yoke part 1, the projection of inner peripheral surface 11 is in polygon, outer peripheral face
12 projection is rounded, and first end 13 and the second end 14 are located at the two ends of iron core yoke part 1, the
One end 13 and the connection inner peripheral surface 11 of the second end 14 and outer peripheral face 12, multilayer silicon steel sheet, which is riveted, is
The iron core yoke part 1 of one, each layer of silicon steel sheet of iron core yoke part 1 is integrated the structure of closure,
The silicon steel sheet of the same layer of stator core, connecting portion and part of the iron core yoke part 1 with iron core teeth portion 2
The silicon steel sheet of iron core teeth portion 2 is structure as a whole.
Iron core teeth portion 2 includes iron core neck 21 and iron core boots portion 22, and iron core neck 21 is winding winding
Support is provided, iron core boots portion 22 is used to collect magnetic field, and iron core boots portion 22 passes through iron core neck 21 and iron
Core yoke portion 1 is connected.Iron core neck 21 is connected with iron core yoke part 1, and iron core yoke part 1 includes connecting portion,
Connecting portion is directly connected to iron core neck 21, the silicon steel sheet of iron core neck 21 and the company of iron core yoke part 1
The silicon steel sheet of socket part is structure as a whole in same layer, and iron core boots portion 22 includes Part I 221 and second
Part 222, Part I 221 is directly connected to iron core neck 21, the silicon steel sheet of Part I 221
It is structure as a whole with the silicon steel sheet of iron core neck 21 in same layer, and then Part I 221 and iron core neck
Portion 21 is fixed, and the silicon steel sheet of Part II 222 is laminated on Part I 221, Part II 222
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
Two planar portions 214, the first arc portion 211 and the second arc portion 212 are oppositely arranged, the first planar portions 213
It is oppositely arranged with the second planar portions 214, the first planar portions 213 and the second planar portions 214 are positioned at iron
The outer surface of the silicon steel sheet at the two ends of the stacked direction of core neck 21, the first arc portion 211 and the second arc portion
The 212 class arcuations formed by the side of the silicon steel sheet of stacking.
Describe, define for convenience:The stacked direction of the silicon steel sheet of iron core neck 21 is iron core neck
21 short transverse, with the perpendicular direction of stacked direction be iron core neck 21 width, i.e.,
The distance of first planar portions 213 and the second planar portions 214 is the height H of iron core neck, most wide iron
The width of the silicon steel sheet of core neck 21 is the width W of iron core neck 21, 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.
The short transverse of iron core neck 21, the silicon steel sheet width of iron core neck 21 from the first planar portions 213 to
The trend that second planar portions 214 are successively decreased again in being first incremented by.
First arc portion 211 and the second arc portion 212 include two kinds of situations in class arcuation:Iron core neck 21
Middle part of the silicon steel sheet from the first planar portions 213 to the height of stacking be incremented by and from the height of stacking
The heart is decremented to the second planar portions 214, and such arc portion 212 of first arc portion 211 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 211 or the
Two arc portions 212 include two sections of arcs and one section of width identical line part.
The first of the top of first arc portion 211 to the top of the second arc portion 212 is apart from W and the first plane
The ratio between second distance H between the first plane is more than or equal to 1/2 and is less than or equal to 1, so in iron core
Neck 21 forms cambered surface portion, under the requirement of same magnetic flux, iron core neck by the silicon steel sheet of stacking
The girth in portion 21 can be reduced, and reduce copper loss, be conducive to improving the power of motor using this stator module.
In the present embodiment, the second planar portions 214 of iron core neck 21 with first of iron core boots portion 22
221 end alignment is divided to set, the Part II 222 in iron core boots portion 22 protrudes from iron core neck
21 the first planar portions 213 are set, and are so set and are caused one end of iron core teeth portion 2 for concordant benchmark,
The mould structure for being so used to shape iron core teeth portion 2 is simple, advantageously reduces manufacturing cost.
The inner peripheral surface 11 of iron core teeth portion 2 and iron core yoke part 1 fixes, in the silicon steel sheet of iron core yoke part 1
Stacked direction, adjacent iron core teeth portion 2 and interlaced arrangement, i.e., one above and below the connecting portion of iron core yoke part 1
The iron core neck 21 of individual iron core teeth portion 2 is set close to the first end 13 of iron core yoke part 1, therewith phase
The iron core neck 21 of two adjacent iron core teeth portion 2 is set close to the second end 14 of iron core yoke part 1,
The iron core neck of so interlaced arrangement is conducive to increasing 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 requirement of the wire winding of winding.
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 alignment of the second end 14 is set, the finishing die of such iron core yoke part and iron core teeth portion has common put down
Neat benchmark, ease of assembly.
Fig. 6 and Fig. 7 are the structural representations of second of embodiment of stator core;Referring to Fig. 6 and
Fig. 7, stator core 200 includes iron core yoke part 3 and iron core teeth portion 4, 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 part 3 and iron core teeth portion 4 individually shape,
Iron core yoke part 3 and iron core teeth portion 4 are fixed by insulating barrier;So each several part forms corresponding silicon respectively
Steel disc, is conducive to improving 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 stacked direction of the silicon steel sheet of iron core yoke part 3, the projection of iron core yoke part 3 is annular in shape, inner peripheral surface 31
Projection be in polygon, the projection of outer peripheral face 32 is rounded, first end 33 and the second end 34
Positioned at the two ends of iron core yoke part 3, first end 33 and the connection inner peripheral surface 31 of the second end 34 and periphery
Face 32, each layer of silicon steel sheet of iron core yoke part 3 is integrated closing structure, the silicon steel sheet riveting of stacking
The fixed iron core yoke part 3 for forming one.
The inner peripheral surface 31 of iron core yoke part 3 is provided with installation groove 35, installs groove 35 along inner peripheral surface 31
It is uniformly distributed, the groove that groove 35 is formed from inner peripheral surface 31 to the body of iron core yoke part 3 is installed, installs
Groove 35 runs through first end 33 and the second end 34 so that iron core teeth portion 2 can be from iron core yoke part
1 wherein one end is installed, easy to assembly.
With reference to referring to Fig. 6 and Fig. 7, iron core teeth portion 4 includes iron core neck 41 and iron core boots portion 42, iron
The stacked direction of the silicon steel sheet of core neck 41 is identical with the stacked direction of the silicon steel sheet in iron core boots portion 42,
The silicon steel sheet and the silicon steel sheet of the stacking in part iron core boots portion 42 that iron core neck 41 is laminated are structure as a whole,
So that iron core neck 41 and iron core boots portion 42 connect it is more firm.
Iron core neck 41 includes wound portion 411 and installation portion 412, and wound portion 411 is used to twine for winding
Around support is provided, installation portion 412 is that iron core teeth portion 4 installs spacing with iron core yoke part 1.Wound portion 411
Including the first arc portion 4111, the second arc portion 4112, the first planar portions 4113 and the second planar portions 4114,
First arc portion 4111 and the second arc portion 4112 are by forming the side of the silicon steel sheet of the stacking of wound portion 411
The class arcuation that face 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 two ends of silicon steel sheet of stacking formed, the first arc portion 4111 and the second arc portion
4112 are oppositely arranged, and the first planar portions 4113 and the second planar portions 4114 are oppositely arranged.
Describe, define for convenience:The stacked direction of the silicon steel sheet of wound portion 411 is wound portion 411
Short transverse, with the perpendicular direction of stacked direction be wound portion 411 width, winding
The short transverse in portion 411, the silicon steel sheet width of wound portion 411 is flat from the first planar portions 4113 to the second
The trend that face 4114 successively decreases again in being first incremented by.
First arc portion 4111 and the second arc portion 4112 include two kinds of situations in class arcuation:Wound portion 411
Middle part of the silicon steel sheet width from the first planar portions 4113 to the height of stacking be incremented by and wound portion 411
Silicon steel sheet width successively decrease from center to the second planar portions 4114 of height being laminated, such first arc portion
4111 or second arc portion 4112 be one section of arc;The center for being additionally included in stacking is identical including several pieces of width
Silicon steel sheet so that the first arc portion 4111 or the second arc portion 4112 include two sections of arcs and one section of width phase
The line part of same silicon steel sheet formation.
The first of the top of first arc portion 4111 to the top of the second arc portion 4112 is flat with first apart from W
The ratio between 4113 and second second distance H between planar portions 4114 of face is more than or equal to 1/2 and is less than etc.
In 1, so in silicon steel sheet formation cambered surface portion of the wound portion 411 by stacking, in same magnetic flux
Requirement under, the girth of wound portion 411 can be reduced, and reduce copper loss, be conducive to improving application that this is fixed
The power of motor of sub-component.
Iron core boots portion 42 includes Part I 421 and Part II 422, Part I 421 and iron core
Neck 41 is directly connected to, the silicon steel sheet of the stacking of Part I 421 and the silicon steel sheet of iron core neck 41
Integrally formed, Part II 422 is laminated in Part I 421 and fixed by riveting.
Installation portion 412 includes lug boss 4121 and stage portion 4122, installation portion 412 and iron core boots portion
42 are arranged in the two ends of wound portion 411, the installation groove 35 of the insertion iron core yoke part 3 of lug boss 4121,
Stage portion 4122 contacts the depth that groove 35 is installed in the limitation insertion of lug boss 4121 with inner peripheral surface.It is raised
Locally protrusion is set the length direction for the silicon steel sheet that portion 4121 and stage portion 4122 pass through stacking.
In the present embodiment, the first planar portions 4113 of iron core neck 41 with first of iron core boots portion 42
421 end alignment is divided to set, the Part II 422 in iron core boots portion 42 protrudes from iron core neck
421 the second planar portions 4114 are set, and are so set and are caused iron core teeth portion 4 to be concordant base at one end
Standard, the mould structure for being so used to shape iron core teeth portion 4 is simple, advantageously reduces manufacturing cost.
Iron core teeth portion 4 is spacing by lug boss 4121 and installation groove 35 with iron core yoke part 3, and leads to
Insulating barrier is crossed to fix, in the stacked direction of the silicon steel sheet of iron core yoke part 3, adjacent iron core teeth portion 4 with
The iron core neck 41 of the iron core teeth portion 4 of interlaced arrangement above and below the connecting portion of iron core yoke part 3, i.e., one is close
The first end 33 of iron core yoke part 3 is set, the iron core neck of two iron core teeth portion 4 adjacent thereto
41 are set close to the second end 34 of iron core yoke part 3, and the iron core neck of such interlaced arrangement is conducive to
Increase the distance at the center of adjacent iron cores neck 41, be conducive to the winding of winding, the winding after winding exists
Projecting direction may have certain overlapping, can reduce the requirement of the wire winding of winding.
After iron core teeth portion 4 and iron core yoke part 3 are fixed, the stacked direction of the silicon steel sheet of iron core teeth portion 4 with
The stacked direction of the silicon steel sheet of iron core yoke part 3 is identical, for folded high smaller stator core, this knot
Structure is simple, and stock utilization is high, while manufacturing is good.
Fig. 8 to Figure 15 is the structural representation in whole or in part of the third embodiment of stator core,
Referring to Fig. 5, stator core 300 includes iron core yoke part 3, iron core neck 5 and iron core boots portion 6, iron core
Neck 5 provides support for the winding of winding, and iron core boots portion 6 is used to collect magnetic field, and iron core yoke part 3 is
Multiple iron core necks 5, which are provided, installs support.6 points of iron core yoke part 3, iron core neck 5 and iron core boots portion
Not by being laminated respective silicon steel sheet and riveting fixed shaping, iron core yoke part 3, iron core neck 5 and iron
It is fixed as one after core boots portion 6 is spacing by insulating barrier injection.Iron core teeth portion includes iron in the present embodiment
Core neck 5 and iron core boots portion 6.
In the present embodiment, iron core yoke part 3 is identical with iron core yoke part in second embodiment 3, iron core yoke
Portion 3 includes first and installs 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 the second installation portion 52 are respectively arranged at wound portion 53
Two ends, the silicon steel sheet along iron core neck 5 of the first installation portion 51 stacked direction extension, second peace
Dress 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 is prolonged
Stretch.First installation portion 51 includes lug boss 511 and stage portion 512, and the insertion of lug boss 511 first is pacified
Fill in groove 35, stage portion 512 contacts setting with the inner peripheral surface of iron core yoke part 3, limit lug boss
511 insertion depth.
Wound portion 53 includes the first arc portion 531, the second arc portion 532, the first planar portions 533, second
Planar portions 534, the first arc portion 531 and the second arc portion 532 are by forming the silicon of the stacking of wound portion 53
The class arcuation that the side of steel disc is formed, the first planar portions 533 and the second planar portions 534 wind to be formed
The outer surface of the silicon steel sheet at the two ends of the silicon steel sheet of the stacking in portion 53 is formed, the first arc portion 531 and second
Arc portion 532 is oppositely arranged, and the first planar portions 533 and the second planar portions 534 are oppositely arranged.
Describe, define for convenience:The stacked direction of the silicon steel sheet of wound portion 53 is wound portion 53
Short transverse, with the perpendicular direction of stacked direction be wound portion 53 width, in wound portion
53 short transverse, the silicon steel sheet width of wound portion 53 is from first the 533 to the second planar portions of planar portions
534 trend successively decreased again 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 of wound portion 53
Incremental and wound portion 53 the silicon steel sheet in middle part of the steel disc width from the first planar portions 533 to the height of stacking
Width successively decrease from middle part to the second planar portions 534 of height being laminated, such first arc portion 531 or
Second arc portion 532 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 steel sheet shape
Into line part.
The first of the top of first arc portion 531 to the top of the second arc portion 532 is apart from W and the first plane
The ratio between second distance H between the planar portions 534 of portion 533 and second is more than or equal to 1/2 and is less than or equal to 1,
So in silicon steel sheet formation cambered surface portion of the wound portion 53 by stacking, in the requirement of same magnetic flux
Under, the girth of wound portion can be reduced, and reduce copper loss, be conducive to improving the electricity using this stator module
Acc power.
Iron core boots portion 6 includes second and installs groove 61 and magnetic collection surface 62, and the second installation groove 61 is set
The opposite face of magnetic collection surface 62 is placed in, the second installation groove 61 is set close to an end away from another end
Put, wherein second installs the stacked direction phase of the bearing of trend and the silicon steel sheet in iron core boots portion 6 of groove 61
Together.
Iron core yoke part 3, iron core neck 5 and iron core boots portion 6 are combined, and iron core neck 5 passes through first
The first of the insertion iron core yoke part 3 of installation portion 51 installs groove 35, and iron core neck 5 is installed by second
The second of insertion iron core boots portion of portion 52 6 installs groove 61, after combination, iron core yoke part 3 and iron core neck
The stacked direction in portion 5 is identical, and the stacked direction in iron core boots portion 6 hangs down with the stacked direction of iron core neck 5
Directly, so both stress, than more uniform, are conducive to improving bonding strength.
After iron core yoke part 3 and iron core neck 5 are fixed by fixed insulation layer injection, in iron core yoke part 3
Silicon steel sheet stacked direction, adjacent iron core neck 5 and the connecting portion of iron core yoke part 3 interlock up and down
Arrangement, i.e., one iron core neck 5 is set close to the first end 33 of iron core yoke part 3, adjacent thereto
Two iron core necks 5 are set close to the second end 34 of iron core yoke part 3, the iron core of such interlaced arrangement
Neck 5 is conducive to increasing the distance at the center of adjacent iron cores neck 5, is conducive to the winding of winding, twines
Winding after may have certain overlapping in projecting direction, can reduce the wire winding of winding
It is required that.
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 to Figure 18, stator core 400 includes iron core yoke part 3 and iron core teeth portion 8, iron core yoke part
3 and iron core teeth portion 8 be laminated respectively and rivet fixed shaping, iron core yoke part 3 and second embodiment and
The structure of iron core yoke part 3 of 3rd embodiment is identical, and iron core yoke part 3 passes through insulation with iron core teeth portion 8
Layer injection is fixed.
Iron core teeth portion 8 includes iron core neck 81 and iron core boots portion 82, iron core neck 81 and iron core boots portion
82 are structure as a whole in the silicon steel sheet of same stacking, can so strengthen iron core neck 81 and iron core boots
The bonding strength in portion 82, iron core neck 81 includes wound portion 811 and installation portion 812, wound portion 811
Support is provided for winding winding, iron core neck 81 is connected by installation portion 812 with iron core yoke part 3.
Wound portion 811 include the first arc portion 8111, the second arc portion 8112, the first planar portions 8113,
Second planar portions 8114, the first arc portion 8111 and the second arc portion 8112 are by forming wound portion 811
The class arcuation that the side of the silicon steel sheet of stacking is formed, the first planar portions 8113 and the second planar portions 8114
Outer surface for the silicon steel sheet at the two ends of the silicon steel sheet of the stacking of formation wound portion 811 is formed, the first arc
The arc portion 8112 of portion 8111 and second is oppositely arranged, the first planar portions 8113 and the second planar portions 8114
It is oppositely arranged.
Describe, define for convenience:The stacked direction of the silicon steel sheet of wound portion 811 is wound portion 8111
Short transverse, with the perpendicular direction of stacked direction be wound portion 811 width, winding
The short transverse in portion 811, the silicon steel sheet width of wound portion 811 is flat from the first planar portions 8113 to the second
The trend that face 8114 successively decreases again in being first incremented by.
First arc portion 8111 and the second arc portion 8112 include two kinds of situations in class arcuation:Wound portion 811
Middle part of the width from the first planar portions 8113 to the height of stacking of silicon steel sheet be incremented by and wound portion 811
The width of silicon steel sheet successively decrease from center to the second planar portions 8114 of height being laminated, such first arc
The arc portion 8112 of portion 8111 or second is one section of arc;Being additionally included in the center of stacking includes several pieces of width phases
Same silicon steel sheet so that the first arc portion 8111 or the second arc portion 8112 include two sections of arcs and one section of straight line
Portion.
The first of the top of first arc portion 8111 to the top of the second arc portion 8112 is flat with first apart from W
The ratio between 8113 and second second distance H between planar portions 8114 of face is more than or equal to 1/2 and is less than etc.
In 1, so in silicon steel sheet formation cambered surface portion of the wound portion 811 by stacking, in same magnetic flux
Requirement under, the girth of wound portion 811 can be reduced, and reduce copper loss, be conducive to improving application that this is fixed
The power of motor of sub-component.
Wound portion 811 is relative to the eccentric setting of iron core boots portion 82, the one end of wound portion 811 and iron core boots portion
82 connections, the other end of wound portion 811 is connected with installation portion 812, and installation portion 812 includes lug boss
8121 and stage portion 8122, in the installation groove 35 of the insertion iron core yoke part 3 of lug boss 8121, step
Portion 8122 contacts the depth that groove 35 is installed in the limitation insertion of lug boss 8121 with the inner peripheral surface of iron core yoke part 3
Degree.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 leads to
Insulating barrier is crossed to fix, in the stacked direction of the silicon steel sheet of iron core yoke part 3, adjacent iron core teeth portion 8 with
The iron core neck 81 of the iron core teeth portion 8 of interlaced arrangement above and below the connecting portion of iron core yoke part 3, i.e., one is close
The first end of iron core yoke part 3 is set, the iron core neck 81 of two iron core teeth portion 8 adjacent thereto
The second end close to iron core yoke part is set, and the iron core neck 81 of such interlaced arrangement is conducive to increasing phase
The distance at the center of adjacent iron core neck 81, is conducive to the winding of winding, and the winding after winding is in projection side
It is certain overlapping to there may be, 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 silicon steel sheet of iron core yoke part 3
Stacked direction and the silicon steel sheet of iron core teeth portion 8 stacked direction it is perpendicular, the stator iron of the present embodiment
Core is adapted to the higher structure of stack height of iron core yoke part.
It should be noted that:Above example is merely to illustrate the present invention and not limits the present invention and retouched
The technical scheme stated, although this specification reference the above embodiments are to present invention has been detailed
Illustrate, still, it will be understood by those within the art that, person of ordinary skill in the field
Still the present invention can be modified or equivalent substitution, and all do not depart from the present invention spirit and
The technical scheme of scope and its improvement, all should cover in scope of the presently claimed invention.
Claims (14)
1. a kind of stator module, including stator core and winding, the stator core include iron core teeth portion
And iron core yoke part, the iron core yoke part includes inner peripheral surface and outer peripheral face, and the iron core teeth portion is along the iron core
Inner peripheral surface or the outer peripheral face arrangement in yoke portion, it is characterised in that:The silicon steel sheet that the stator core passes through stacking
Formed, the iron core teeth portion includes iron core neck and iron core boots portion, and the iron core neck two ends are connected respectively
The iron core yoke part and the iron core boots portion;The iron core neck provides support for winding winding, institute
Stating iron core neck includes the first arc portion, the second arc portion, the first planar portions and the second planar portions, described first
Arc portion and second arc portion are oppositely arranged, and first planar portions and second planar portions are set relatively
Put, first arc portion and second arc portion are laminated by the silicon steel sheet of the iron core neck and formed;Institute
State the stacked direction of iron core neck, first planar portions and second planar portions be positioned at the iron
The outer surface of the silicon steel sheet of two ends of core neck;Along the stacked direction of the silicon steel sheet of the iron core neck,
Middle part, the silicon steel from first planar portions and/or second planar portions to the height of the wound portion
The width of piece incrementally causes first arc portion and second arc portion is in class arc portion shape;First arc portion
Maximum distance with second arc portion is the first distance (W), first planar portions and described second
The distance of planar portions is second distance (H), and the second distance is more than or equal to first ratio of distances constant
1/2 is less than or equal to 1.
2. stator module according to claim 1, it is characterised in that:The iron core neck includes
One middle silicon steel sheet, the width of the middle silicon steel sheet is maximum, and the middle silicon steel sheet is located at the iron core
The centre of the stack height of neck, the silicon steel sheet quantity same widths phase of the first middle silicon steel sheet both sides
Together, from the middle silicon steel sheet to the silicon steel sheet of first planar portions or the silicon steel of second planar portions
Piece, the width of the silicon steel sheet of the iron core neck is gradually decreased.
3. stator module according to claim 1, it is characterised in that:The iron core neck includes
Silicon steel sheet at least in the middle of two panels, the width of the middle silicon steel sheet is maximum, and the middle silicon steel sheet is located at institute
The centre of the stack height of iron core neck is stated, the silicon steel sheet quantity of the first middle silicon steel sheet both sides is identical
And width is identical, from the middle silicon steel sheet to the silicon steel sheet of first planar portions or described second flat
The silicon steel sheet of face, the width of the silicon steel sheet of the iron core neck is gradually decreased.
4. the stator module described in 1 to 3 any one as requested, it is characterised in that:The iron core neck
The stacked direction of the silicon steel sheet in portion is identical with the stacked direction of the silicon steel sheet of the iron core yoke part, the iron core
The silicon steel sheet of neck and the same layer of the iron core yoke part is a piece of, and the iron core boots portion includes and iron core neck
The Part I that portion is directly connected to, the silicon steel sheet of the Part I with the iron core neck and with it is described
The silicon steel sheet of the same layer of the iron core yoke part of iron core neck connection is with a piece of.
5. stator module according to claim 4, its feature exists:The iron core boots portion also includes
The Part II not being connected with iron core neck directly, the silicon steel sheet of the Part II and the Part I
Silicon steel sheet is stacked, and the Part II is fixed with the Part I by riveting.
6. the stator module according to any one of claims 1 to 3, it is characterised in that:The iron
Core yoke portion and the iron core teeth portion are fixed by the insulating barrier, and it is recessed that the iron core yoke part is provided with installation
Groove, the iron core neck includes wound portion and installation portion, and the installation portion includes lug boss and stage portion,
The lug boss and the stage portion and the installation groove and the inner peripheral surface or outer peripheral face of iron core yoke part
It is equipped with.
7. stator module according to claim 6, it is characterised in that:In the silicon steel of iron core teeth portion
Each layer of the silicon steel sheet in the stacked direction of piece, the iron core neck and the iron core boots portion be with a piece of,
The iron core teeth portion is fixed as one by riveting.
8. stator module according to claim 7, it is characterised in that:The iron core boots portion includes
First end, second end and magnetic collection surface, the magnetic collection surface are used to collect magnetic field, described first
End and the second end are located at magnetic collection surface two ends, the first end and the first of the wound portion
Arc portion is concordantly set.
9. stator module according to claim 8, it is characterised in that:The iron core teeth portion and institute
State iron core yoke part assembling fixation, the stacked direction of the silicon steel sheet of the iron core yoke part and the iron core teeth portion
Silicon steel sheet the identical stacked direction of stacked direction it is identical.
10. stator module according to claim 6, it is characterised in that:In the iron core teeth portion
Stacked direction, the silicon steel sheet of the iron core neck and part the iron core boots portion on the same layer is same
Piece, the iron core teeth portion is fixed as one by riveting.
11. stator module according to claim 6, it is characterised in that:The iron core boots portion and institute
State iron core neck separately positioned, the iron core boots portion and the iron core neck are molded by insulating barrier and fixed,
The stacked direction of the stacked direction of the silicon steel sheet in the iron core boots portion and the silicon steel sheet of the iron core neck hangs down
It is straight to set.
12. the stator module according to claim any one of 1-11, it is characterised in that:The iron core
The stacking direction of the silicon steel sheet in yoke portion is the axial direction of the stator core, the iron core teeth portion and the iron core
Yoke portion is connected, and the adjacent iron core neck is arranged at the different height of the iron core yoke part axial direction,
Every the iron core neck be arranged at the axial identical height of the iron core yoke part.
13. a kind of motor, the motor includes stator module, the stator module is claim 1-12
Stator module described in any one.
14. a kind of electronic pump, the electronic pump includes stator module, including pump case, rotor assembly,
Stator module and electric-controlled plate, the pump case formation pump inner chamber, the rotor assembly and the stator pack
Part is arranged at the pump inner chamber, and the rotor assembly and the stator module are isolated by pump case to be set,
The stator module is set around the rotor assembly, and the electric-controlled plate is electrically connected with the stator module and set
Put, the stator module is the stator module described in claim any one of 1-12.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
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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 |
EP17152632.0A EP3200319B1 (en) | 2016-01-29 | 2017-01-23 | Stator assembly, and, motor and electric pump having the same |
US15/412,483 US10763709B2 (en) | 2016-01-29 | 2017-01-23 | Stator assembly, electric pump having stator assembly, and method for manufacturing stator assembly |
EP18179555.0A EP3413437A1 (en) | 2016-01-29 | 2017-01-23 | Stator assembly, and, motor and electric pump having the same |
Applications Claiming Priority (1)
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CN201610070324.1A CN107026519B (en) | 2016-01-29 | 2016-01-29 | Stator assembly, and motor and electronic pump having the same |
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CN201710953547.7A Division CN107707043B (en) | 2016-01-29 | 2016-01-29 | Stator module, motor and electronic pump |
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CN107026519B CN107026519B (en) | 2020-10-20 |
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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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CN108390477A (en) * | 2018-03-28 | 2018-08-10 | 珠海凯邦电机制造有限公司 | Stator module, stator core and motor |
CN109936266A (en) * | 2017-12-15 | 2019-06-25 | Tvs电机股份有限公司 | Motor for vehicle |
CN109936265A (en) * | 2017-12-15 | 2019-06-25 | 杭州三花研究院有限公司 | Stator module and motor and electrodynamic pump with the stator module |
WO2022110378A1 (en) * | 2020-11-27 | 2022-06-02 | 瑞声声学科技(深圳)有限公司 | Stator, motor, and water pump |
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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 |
US11677281B2 (en) * | 2019-09-04 | 2023-06-13 | Lg Electronics Inc. | Divided core of a motor |
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CN109936266A (en) * | 2017-12-15 | 2019-06-25 | Tvs电机股份有限公司 | Motor for vehicle |
CN109936265A (en) * | 2017-12-15 | 2019-06-25 | 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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Also Published As
Publication number | Publication date |
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CN107707043B (en) | 2020-01-07 |
CN107026519B (en) | 2020-10-20 |
CN107707043A (en) | 2018-02-16 |
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