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 PDF

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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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CN
China
Prior art keywords
iron core
silicon steel
steel sheet
neck
stator module
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Granted
Application number
CN201610070324.1A
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Chinese (zh)
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CN107026519B (en
Inventor
不公告发明人
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Sanhua Automotive Components Co Ltd
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Zhejiang Sanhua Automotive Components Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Zhejiang Sanhua Automotive Components Co Ltd filed Critical Zhejiang Sanhua Automotive Components Co Ltd
Priority to CN201710953547.7A priority Critical patent/CN107707043B/en
Priority to CN201610070324.1A priority patent/CN107026519B/en
Priority to EP17152632.0A priority patent/EP3200319B1/en
Priority to US15/412,483 priority patent/US10763709B2/en
Priority to EP18179555.0A priority patent/EP3413437A1/en
Publication of CN107026519A publication Critical patent/CN107026519A/en
Application granted granted Critical
Publication of CN107026519B publication Critical patent/CN107026519B/en
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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02KDYNAMO-ELECTRIC MACHINES
    • H02K1/00Details of the magnetic circuit
    • H02K1/06Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/12Stationary parts of the magnetic circuit
    • H02K1/14Stator cores with salient poles
    • H02K1/146Stator cores with salient poles consisting of a generally annular yoke with salient poles
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00Pumping installations or systems
    • F04D13/02Units comprising pumps and their driving means
    • F04D13/06Units comprising pumps and their driving means the pump being electrically driven
    • F04D13/0673Units 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

Stator module and motor and 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, 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.
CN201610070324.1A 2016-01-29 2016-01-29 Stator assembly, and motor and electronic pump having the same Active CN107026519B (en)

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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

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