阅读说明：本技术 一种用于定子绕组的接线组件、电机定子及电机 (Wiring assembly for stator winding, motor stator and motor ) 是由 周博 魏会军 于潇逍 张辉 于 2021-08-18 设计创作，主要内容包括：本发明提供一种用于定子绕组的接线组件、电机定子及电机,包括绝缘骨架、活动骨架和刺破端子,绝缘骨架缠绕有漆包线绕组,解决独立过桥线电连接不可靠的问题；活动骨架设置在绝缘骨架上,通过刺破端子实现不同的绕组的电导通,接线结构简单、拆卸方便和接线效率高,可适应绕组的不同接线方式,解决装配工艺繁琐和布线杂乱无章的问题；绝缘骨架的外轭部形成有过线槽,用于固定绕组的过桥线；绝缘骨架包括固定骨架和公共骨架,且均形成有第一刺破端子槽,实现公共骨架的绕组和固定骨架的绕组的快速串联连接；公共骨架还形成有第二刺破端子槽,实现多个公共骨架的绕组的并联连接；自动化程度高,布线规律、不易出错和不损伤漆包线。(The invention provides a wiring assembly for a stator winding, a motor stator and a motor, which comprise an insulating framework, a movable framework and a piercing terminal, wherein the insulating framework is wound with an enameled wire winding, so that the problem of unreliable electric connection of an independent bridge wire is solved; the movable framework is arranged on the insulating framework, the electric conduction of different windings is realized by puncturing the terminal, the wiring structure is simple, the disassembly is convenient, the wiring efficiency is high, the movable framework can adapt to different wiring modes of the windings, and the problems of complex assembly process and disordered wiring are solved; a wire passing groove is formed in the outer yoke part of the insulating framework and used for fixing a bridge wire of the winding; the insulation framework comprises a fixed framework and a common framework, and first piercing terminal grooves are formed in the insulation framework, so that the windings of the common framework and the windings of the fixed framework are connected in series quickly; a second piercing terminal groove is formed in the public framework to realize parallel connection of the windings of the public frameworks; the automation degree is high, the wiring rule is regular, mistakes are not easy to occur, and the enameled wire is not damaged.)

1. A wiring assembly for a stator winding, the wiring assembly comprising an insulating frame, a movable frame and a piercing terminal; the insulation framework is wound with a winding, and the wire inlet end and the wire outlet end of the winding are respectively electrically communicated with the piercing terminal;

the movable framework is arranged on the insulating framework, and the different windings are electrically conducted through the puncture terminal; the winding adopts enameled wires.

2. A terminal assembly for a stator winding according to claim 1, wherein the insulating bobbin and the movable bobbin are each formed with a piercing terminal groove; the puncture terminal comprises a puncture terminal A and a puncture terminal B which is plugged into the puncture terminal A and is electrically communicated with the puncture terminal A;

one of the piercing terminal A and the piercing terminal B is arranged in a piercing terminal groove of the insulating framework and is electrically conducted with a winding of the insulating framework correspondingly, the other one of the piercing terminal A and the piercing terminal B is arranged in a piercing terminal groove of the movable framework and is electrically conducted with a winding of the insulating framework correspondingly, the piercing terminal A and the piercing terminal B are connected in an inserting mode, and the different electrical conduction of the winding is realized.

3. A terminal assembly for a stator winding as claimed in claim 2, wherein the gap bridge wire of the in-phase winding has a length L and the outer circumference of the stator is C, wherein 35 mm. ltoreq.3L-C.ltoreq.70 mm.

4. A terminal assembly for a stator winding according to claim 2, wherein the insulating frame is provided with a slot or a buckle, and the movable frame is correspondingly provided with a buckle or a slot, and the buckle and the slot are matched to enable the movable frame to be detachably connected with the insulating frame at the puncture terminal slot of the insulating frame.

5. A terminal assembly for a stator winding according to claim 3, wherein the insulating bobbin is formed with an outer yoke portion, and a wire passing groove is formed at an outer side of the outer yoke portion for fixing a bridge wire of the winding; one end of the outer yoke part forms the puncture terminal groove which is used for fixing the puncture terminal A or the puncture terminal B; and an outlet slot is formed at the other end of the outer yoke part and used for the outlet of the winding.

6. A terminal assembly for a stator winding according to claim 5, wherein the insulating bobbin includes a fixed bobbin and a common bobbin, each of which is formed with a first piercing terminal groove; the first puncture terminal groove of public skeleton and the first puncture terminal groove department of fixed skeleton set up puncture terminal A or puncture terminal B, correspondingly set up in the puncture terminal groove of activity skeleton puncture terminal B or puncture terminal A, through the electric conduction of puncture terminal A and puncture terminal B realizes the series connection and a plurality of the winding of public skeleton and fixed skeleton the series connection of the winding of fixed skeleton.

7. A wiring assembly for a stator winding as claimed in claim 6, wherein the common bobbin is further formed with a second pierce terminal groove, the pierce terminal A or the pierce terminal B is provided in the second pierce terminal groove, and the pierce terminal B or the pierce terminal A is provided in the pierce terminal groove of the movable bobbin, respectively, whereby the parallel connection of the windings of the plurality of common bobbins is realized by the electrical conduction of the pierce terminal A and the pierce terminal B.

8. A terminal assembly for a stator winding according to claim 7, wherein said common bobbin includes three, and three of said common bobbins are wound with three phases of said winding, respectively; the three common frameworks are electrically conducted with a common line through the puncture terminals in the second puncture terminal grooves, so that one end of the three-phase winding is connected in parallel.

9. A terminal assembly for a stator winding according to claim 8, wherein the common bobbin includes a first common bobbin and a second common bobbin, and the common line includes a first common line; the wire inlet end of the winding of the first public framework is electrically communicated with one end of the first common wire through the puncture terminal, and the other end of the first common wire is electrically communicated with the wire inlet end of the winding of the second public framework through the puncture terminal, so that the parallel connection of the winding of the first public framework and the winding of the second public framework is realized.

10. A terminal assembly for a stator winding according to claim 9, wherein the common backbone further comprises a third common backbone, the common lines further comprising second common lines; and the wire inlet end of the winding of the second common framework is electrically communicated with one end of the second common wire through the puncture terminal, and the other end of the second common wire is electrically communicated with the wire inlet end of the winding of the third common framework through the puncture terminal, so that the parallel connection of the winding of the second common framework and the winding of the third common framework is realized.

11. A stator for an electric machine, comprising a plurality of stator units including a stator core, a winding and the terminal assembly for a stator winding according to any one of claims 1 to 10; the insulating framework is connected with the stator core and is wound with the winding; the different windings are connected in series or in parallel by the stab terminals.

12. An electric machine comprising an electric machine rotor and an electric machine stator according to claim 11, said electric machine rotor being disposed coaxially with said electric machine stator.

Technical Field

The invention relates to the technical field of motors, in particular to a wiring assembly for a stator winding, a motor stator and a motor.

Background

In the current motor, when carrying out each winding wiring of stator core, need to have a plurality of winding end of a thread simultaneously, carry out rounding and wiring technology again, in order to realize the electric conduction of each phase winding, need a lot of wiring parts, lead to wiring structure complicacy, assembly process is loaded down with trivial details, wiring disorder chapter and winding between the electricity connect unreliable, in addition have the potential safety hazard, the operation requirement is high and easily make mistakes, dismantle inconvenient between each part for wiring inefficiency.

Disclosure of Invention

In view of the above, the invention provides a wiring assembly for a stator winding, a motor stator and a motor, so as to solve the problems of complex wiring structure, complex assembly process, unreliable electric connection between windings and the like in the prior art.

The invention provides a wiring assembly for a stator winding, which comprises an insulating framework, a movable framework and a piercing terminal, wherein the insulating framework is arranged on the insulating framework; the insulation framework is wound with a winding, and the wire inlet end and the wire outlet end of the winding are respectively electrically communicated with the piercing terminal;

the movable framework is arranged on the insulating framework, and the different windings are electrically conducted through the puncture terminal; the winding adopts enameled wires.

Further optionally, the insulation framework and the movable framework are both formed with piercing terminal grooves; the puncture terminal comprises a puncture terminal A and a puncture terminal B which is plugged into the puncture terminal A and is electrically communicated with the puncture terminal A;

one of the piercing terminal A and the piercing terminal B is arranged in a piercing terminal groove of the insulating framework and is electrically conducted with a winding of the insulating framework correspondingly, the other one of the piercing terminal A and the piercing terminal B is arranged in a piercing terminal groove of the movable framework and is electrically conducted with a winding of the insulating framework correspondingly, the piercing terminal A and the piercing terminal B are connected in an inserting mode, and the different electrical conduction of the winding is realized.

Further optionally, the length of the gap bridge line of the in-phase winding is L, and the outer circumference of the stator is C, wherein 45mm is less than or equal to 3L-C is less than or equal to 60 mm.

Further optionally, the insulating skeleton is equipped with draw-in groove or buckle, correspondingly the activity skeleton is equipped with buckle or draw-in groove, buckle and draw-in groove cooperation make the activity skeleton be in the puncture terminal groove department of insulating skeleton with the connection can be dismantled to insulating skeleton.

Further optionally, the insulating framework is formed with an outer yoke part, and a wire passing slot is formed on the outer side of the outer yoke part and used for fixing a bridge wire of the winding; one end of the outer yoke part forms the puncture terminal groove which is used for fixing the puncture terminal A or the puncture terminal B; and an outlet slot is formed at the other end of the outer yoke part and used for the outlet of the winding.

Further optionally, the insulating framework comprises a fixed framework and a common framework, and the fixed framework and the common framework are both formed with first piercing terminal grooves; the first puncture terminal groove of public skeleton and the first puncture terminal groove department of fixed skeleton set up puncture terminal A or puncture terminal B, correspondingly set up in the puncture terminal groove of activity skeleton puncture terminal B or puncture terminal A, through the electric conduction of puncture terminal A and puncture terminal B realizes the series connection and a plurality of the winding of public skeleton and fixed skeleton the series connection of the winding of fixed skeleton.

Further optionally, the public framework further comprises a second puncture terminal groove, the second puncture terminal groove is internally provided with the puncture terminal a or the puncture terminal B, correspondingly, the puncture terminal B or the puncture terminal a is arranged in the puncture terminal groove of the movable framework, and the parallel connection of the windings of the public framework is realized through the electric conduction of the puncture terminal a and the puncture terminal B.

Further optionally, the number of the common frameworks is three, and the three common frameworks are respectively wound with three phases of the windings; the three common frameworks are electrically conducted with a common line through the puncture terminals in the second puncture terminal grooves, so that one end of the three-phase winding is connected in parallel.

Further optionally, the common skeleton includes a first common skeleton and a second common skeleton, the common lines including a first common line; the wire inlet end of the winding of the first public framework is electrically communicated with one end of the first common wire through the puncture terminal, and the other end of the first common wire is electrically communicated with the wire inlet end of the winding of the second public framework through the puncture terminal, so that the parallel connection of the winding of the first public framework and the winding of the second public framework is realized.

Further optionally, the common skeleton further comprises a third common skeleton, the common lines further comprising second common lines; and the wire inlet end of the winding of the second common framework is electrically communicated with one end of the second common wire through the puncture terminal, and the other end of the second common wire is electrically communicated with the wire inlet end of the winding of the third common framework through the puncture terminal, so that the parallel connection of the winding of the second common framework and the winding of the third common framework is realized.

The invention also provides a motor stator, which comprises a plurality of stator units, wherein each stator unit comprises a stator iron core, a winding and the wiring assembly for the stator winding, wherein the wiring assembly for the stator winding is arranged on any one of the stator iron core and the winding; the insulating framework is connected with the stator core and is wound with the winding; the different windings are connected in series or in parallel by the stab terminals.

The invention also provides a motor which comprises a motor rotor and the motor stator, wherein the motor rotor and the motor stator are coaxially arranged.

The invention provides a wiring assembly for a stator winding, which comprises an insulating framework, a movable framework and a piercing terminal, wherein the insulating framework is wound with an enameled wire winding, so that the problems of unreliable and inconvenient electric connection of an independent bridge wire are solved; the movable framework is arranged on the insulating framework, the electric conduction of different windings is realized by puncturing the terminal, the movable framework can be conveniently and quickly electrically conducted with the insulating framework, the wiring structure is simple, the wiring parts are convenient to disassemble, the electric connection is reliable, the wiring efficiency is high, the movable framework can adapt to different wiring modes of the windings, and the problems of complex assembly process and disordered wiring are solved; a wire passing groove is formed on the outer side of the outer yoke part of the insulating framework and used for fixing a bridge wire of a winding, so that the problem that the wire passing groove on the inner side of the stator touches a rotating part is solved; the insulation framework comprises a fixed framework and a common framework, and first piercing terminal grooves are formed in the insulation framework, so that the windings of the common framework and the windings of the fixed frameworks are connected in series quickly, and the windings of the fixed frameworks are connected in series quickly; a second piercing terminal groove is formed in the public framework to realize parallel connection of the windings of the public frameworks; the automation degree is high, the wiring rule is regular, mistakes are not easy to occur, and the enameled wire is not damaged.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.

Fig. 1a, fig. 1b and fig. 1c are schematic structural views of an embodiment of a fixing skeleton provided by the present invention;

FIG. 2 is a schematic structural diagram of an embodiment of a movable frame according to the present invention;

FIGS. 3a and 3b are schematic structural diagrams of an embodiment of a common framework provided by the present invention;

fig. 4a is a schematic structural diagram of a piercing terminal a according to an embodiment of the present invention;

FIG. 4B is a schematic structural view of a pierce terminal B according to an embodiment of the present invention;

FIG. 5 is a schematic structural view of an embodiment of a card slot and a card buckle provided by the present invention;

FIG. 6 is a schematic structural diagram of an embodiment of a gap bridge wire arrangement of a winding of an insulating framework provided by the invention;

FIG. 7a is a schematic structural diagram of a stator according to an embodiment of the present invention;

FIG. 7b is an enlarged view of FIG. 7a after detonation at D;

in the figure:

11-outer yoke; 111-piercing terminal slots of the insulating skeleton; 112-a threading slot; 113-a wire-passing groove; 114-outlet slot; 12-a tooth portion; 121-winding; 122-incoming line end; 123-outlet terminal; 124-bridge-crossing wire; 13-a card slot; 14-fixing the framework; 141-a first fixed skeleton; 142-a second fixed skeleton; 15-common skeleton; 151-a first common skeleton; 152-a second common skeleton; 153-a third common skeleton; 154-second piercing terminal slot; 16-first piercing terminal slot; 17-a card slot;

2-a movable framework; 21-piercing terminal grooves of the movable framework; 22-buckling;

31-a body portion; 32-a fixed part; 321-a puncturing groove; 322-positioning process; 33-piercing terminal a; 331-a clip; 34-piercing terminal B; 341-card location;

41-a first common line; 42-second common line.

Detailed Description

The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the examples of the present invention and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, and "a" and "an" generally include at least two, but do not exclude at least one, unless the context clearly dictates otherwise.

It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.

It is also noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a good or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such good or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a commodity or system that includes the element.

When the winding of the stator core is wired in the existing motor, the number of wire ends of the winding is large, the number of required wiring parts is large, the wiring structure is complex, the assembly process is complex, wiring is disordered, electric connection between the windings is unreliable, and the wiring parts are inconvenient to disassemble, so that wiring efficiency is high. The invention creatively provides a wiring assembly for a stator winding, which comprises an insulating framework, a movable framework and a piercing terminal; the insulating framework is wound with the winding, and the wire inlet end and the wire outlet end of the winding are respectively and electrically communicated with the piercing terminal, so that the structure is simple, and the electric connection is reliable and convenient; the movable framework is arranged on the insulating framework, the electric conduction of different windings is realized by puncturing the terminal, the windings are enameled wires, the disassembly is convenient, the wiring efficiency is high, different wiring modes of the applicable windings are adopted, and the problems of complex assembly process and disordered wiring are solved.

As shown in fig. 1a, 1b, 1c, 2, 3a and 3b, the present embodiment provides a wiring assembly for a stator winding, the wiring assembly including an insulating bobbin, a movable bobbin 2 and a piercing terminal; the winding 121 is wound on the insulating framework, and the winding 121 is made of enameled wires, so that the problems of unreliable and inconvenient electric connection of independent bridge wires are solved; the wire inlet end 122 and the wire outlet end 123 of the winding 121 are respectively electrically conducted with the puncture terminals, the movable framework 2 is arranged on the insulating framework, and the electrical conduction of different windings 121 is realized through the puncture terminals; the wiring structure is simple, the wiring parts are detachably connected, wiring is convenient and quick, wiring efficiency is high, different wiring modes of the winding 121 can be adapted, the working strength and the operation requirement in the wiring process are low, errors are not prone to occurring, and the problems that the assembly process is complex and wiring is disordered are solved.

In order to realize reliable connection between the piercing terminal and the insulating framework and between the piercing terminal and the movable framework 2, piercing terminal grooves are formed in the insulating framework and the movable framework 2; specifically, taking the insulating frame as an example, the piercing terminal groove 111 of the insulating frame is open at one end of the insulating frame, so as to facilitate the arrangement of the piercing terminal; a penetrating terminal groove 111 of the insulating framework is provided with a threading groove 112 with one open end and the other closed end, and the end part of the winding 121 is embedded in the threading groove 112; the threading groove 112 is opened in the one end of insulating skeleton, runs through at two relative lateral walls of insulating skeleton, and the tip of winding 121 extends to the opposite side of threading groove 112 by one side of threading groove 112, and then inlays and locate in threading groove 112, realizes reliably connecting.

In order to achieve rapid electrical conduction between the different windings, as shown in fig. 4a and 4b, the piercing terminal is formed with a fixing portion 32; the fixing part 32 is clamped in the puncture terminal groove to fix the puncture terminal on the insulating framework and the movable framework 2; specifically, the bottom of the piercing terminal forms a fixing part 32, the fixing part 32 has a structure matched with the piercing terminal groove, and the fixing part 32 is matched with the piercing terminal groove to realize reliable connection of the piercing terminal with the insulating framework and the movable framework 2;

further, the fixing portion 32 is formed with a piercing groove 321 having one end opened and the other end closed, and the opening direction of the piercing groove 321 is opposite to the opening direction of the threading groove 112 for piercing the enamel skin of the enamel wire to realize the electrical conduction between the enamel wire and the piercing terminal; when the fixing portion 32 is clamped in the puncture terminal groove, the puncture groove 321 punctures the end portion of the winding in the threading groove 112, so as to realize the electrical conduction with the incoming line end 122 or the outgoing line end 123 of the winding 121 in the threading groove 112; specifically, the piercing groove 321 is open at one end of the bottom of the piercing terminal, penetrates through two opposite sides of the piercing terminal, the penetrating direction of the piercing groove 321 is the same as the penetrating direction of the threading groove 112, when the fixing portion 32 is embedded in the piercing terminal groove, the end of the winding 121 is embedded in the space formed by the piercing groove 321 and the threading groove 112 to fix the end of the winding 121, and the piercing groove 321 pierces the end of the winding 121 to realize electrical conduction with the end of the winding 121.

Specifically, the piercing terminal comprises a main body part 31, a fixing part 32 is formed on the side part of the main body part 31, the fixing part 32 is an annular structure formed by bending the bottom of the piercing terminal to the top of the piercing terminal, and the front and back direction of the fixing part 32 is a deformable elastic structure, so that the fixing part 32 is inserted into a piercing terminal groove and then clamped; for the convenience of guiding and positioning, the left side and the right side of the fixing part 32 are provided with positioning protrusions 322 which respectively protrude towards the left side and the right side, and the left side and the right side of the puncture terminal groove are provided with vertical sliding grooves matched with the vertical sliding grooves, so that the front-back positioning of the fixing part 32 when the puncture terminal groove is inserted is realized; the bottom of the fixing portion 32 and the bottom of the body portion 31 form a piercing groove 321, and the piercing groove 321 opens to the bottom of the piercing terminal, and the notch gradually expands and penetrates in the front-rear direction of the piercing terminal.

In order to realize the electrical conduction between the puncture terminals, as shown in fig. 4a and 4B, the puncture terminals comprise a puncture terminal a33 and a puncture terminal B34 which is plugged into the puncture terminal a33 for electrical conduction, so that the incorrect assembly operation and the wrong wiring are avoided; the piercing terminal A33 is provided with a clamping piece 331, the piercing terminal B34 is provided with a clamping position 341, and the clamping piece 331 of the piercing terminal A33 is matched with the clamping position 341 of the piercing terminal B34 to realize the electric conduction of the piercing terminal A33 and the piercing terminal B34; the end of one winding 121 is electrically connected to the piercing terminal a33, the end of the other winding 121 is electrically connected to the piercing terminal B34, and then the two windings 121 are electrically connected through the piercing terminal a33 and the piercing terminal B34; preferably, snap 331 is formed on the top of piercing terminal a33, and snap 341 is formed on the top of piercing terminal B34; other structures of the piercing terminal a33 and the piercing terminal B34 are the same; specifically, main body 31 of puncture terminal a33 extends to the top to form snap-in fitting 331, and the gap between the top of fixing portion 32 of puncture terminal B34 and the top of main body 31 of puncture terminal B34 is snap-in fitting 341; the motor assembling device is simple and convenient to assemble and high in efficiency, the automation degree of motor assembling can be improved, the manual workload is reduced, and therefore the cost is reduced.

In order to facilitate winding of the winding 121, after the piercing terminal is electrically conducted with the end of the winding 121, the piercing terminal needs to be arranged in the piercing terminal groove 21 of the movable framework, specifically, one of the piercing terminal a33 and the piercing terminal B34 is arranged in the piercing terminal groove 111 of the insulating framework and is electrically conducted with the winding 121 of the corresponding insulating framework, the other one of the piercing terminal a33 and the piercing terminal B34 is arranged in the piercing terminal groove 21 of the movable framework and is electrically conducted with the winding 121 of the corresponding insulating framework, and the piercing terminal a33 and the piercing terminal B34 are plugged, so that the electrical conduction of different windings 121 is realized; the piercing terminal can fix the wire inlet end of the winding 121 on the insulating framework, the movable framework 2 is electrically conducted with the wire outlet end of the winding 121, and can freely move along with the wire outlet end 123 of the winding 121, so that the manipulator can conveniently clamp the end part of the winding 121 when winding the winding 121.

Further, in order to realize the connection of the windings 121 of the two insulating frameworks, the movable framework 2 is provided with a puncture terminal a33 or a puncture terminal B34, and is electrically conducted with the outlet end 123 of the winding 121 of one insulating framework, correspondingly, the other insulating framework is provided with a puncture terminal B34 or a puncture terminal a33, and is electrically conducted with the inlet end 122 of the winding 121, and then the puncture terminal a33 is inserted into the puncture terminal B34 for electrical conduction, so as to realize the electrical connection of the windings 121 of the two insulating frameworks;

when the windings 121 of the two insulating frameworks are in the same phase, the length of a gap bridge wire between the two insulating frameworks is L, the outer circumference of the stator is C, wherein 35mm is less than or equal to 3L-C is less than or equal to 70 mm; preferably, 45mm < 3L-C < 60 mm.

In order to ensure that the piercing terminal a33 is reliably connected with the piercing terminal B34 after being plugged, as shown in fig. 5, the insulating framework is provided with a clamping groove 17 or a buckle 22, the movable framework 2 is correspondingly provided with a buckle 22 or a clamping groove 17, and the buckle 22 is matched with the clamping groove 17, so that the movable framework 2 is detachably connected with the insulating framework at the piercing terminal groove 111 of the insulating framework; preferably, the insulating framework is provided with a clamping groove 17, and the movable framework 2 is provided with a buckle 22.

In order to avoid the easy collision of the gap bridge wire 124 of the winding 121 with the rotating component when the gap bridge wire is passed through the inside of the stator, as shown in fig. 1a, 1b and 6, the insulating frame is formed with an outer yoke 11, and the outer side of the outer yoke 11 is formed with a wire passing groove 113 for fixing the gap bridge wire 124 of the winding 121; specifically, a plurality of wire passing posts extend from the outer side of the outer yoke part 11 to the direction far away from the outer yoke part 11, the plurality of wire passing posts are arranged in a linear manner, a gap between the wire passing posts forms a wire passing groove 113, and the size of the wire passing groove 113 is matched with the bridge wire 124 of the winding 121; a puncture terminal groove is formed at one end of the outer yoke part 11 and used for fixing a puncture terminal A33 or a puncture terminal B34; the other end of the outer yoke part 11 is formed with an outlet slot 114 for the yielding of the incoming wire and the outgoing wire of the winding 121, so as to ensure the winding quality.

Further, the insulating skeleton is formed with teeth 12, the teeth 12 being wound with windings 121;

in order to realize the connection between the multi-phase windings, the insulating framework comprises a fixed framework 14 and a common framework 15, and a first piercing terminal groove 16 is formed in each of the fixed framework 14 and the common framework 15; the first puncture terminal groove 16 of the common skeleton 15 and the first puncture terminal groove 16 of the fixed skeleton 14 are provided with a puncture terminal a33 or a puncture terminal B34, the puncture terminal groove 21 of the movable skeleton is correspondingly provided with a puncture terminal B34 or a puncture terminal a33, and the series connection of the winding 121 of the common skeleton 15 and the winding 121 of the fixed skeleton 14 and the series connection of the windings 121 of the fixed skeletons 14 are realized by the electrical conduction of the puncture terminal a33 and the puncture terminal B34.

Further, as shown in fig. 3a and 3B, the common bobbin 15 further includes a second puncture terminal groove 154, a puncture terminal a33 or a puncture terminal B34 is disposed in the second puncture terminal groove 154, a puncture terminal B34 or a puncture terminal a33 is correspondingly disposed in the puncture terminal groove 21 of the movable bobbin, and the parallel connection of the windings 121 of the plurality of common bobbins 15 is realized by the electrical conduction of the puncture terminal a33 and the puncture terminal B34.

In the present embodiment, as shown in fig. 7a and 7b, taking a stator with 9 three-phase windings as an example, each phase includes three windings, and the common frame 15 includes three windings wound with three phases respectively; the three common bobbins are electrically conducted to the common line through the puncture terminals in the respective second puncture terminal grooves 154, thereby realizing the parallel connection of one ends of the three-phase windings.

Further, the common bobbin 15 includes a first common bobbin 151 and a second common bobbin 152, and the common lines include the first common lines 41; the movable framework 2 comprises a first movable framework, a second movable framework and a third movable framework; the wire inlet end 122 of the winding 121 of the first common framework 151 is electrically communicated with one end of the first common wire 41 through a puncture terminal, and the other end of the first common wire 41 is electrically communicated with the wire inlet end 122 of the winding 121 of the second common framework 152 through the puncture terminal, so that the parallel connection of the winding 121 of the first common framework 151 and the winding 121 of the second common framework 152 is realized;

specifically, a puncture terminal B1 is disposed in the second puncture terminal groove 154 of the first common bobbin 151 and is electrically conducted with the incoming line end 122 of the winding 121 of the first common bobbin 151, a puncture terminal a1 is disposed in the puncture terminal groove of the first movable bobbin and is electrically conducted with one end of the first common line 41, and a puncture terminal a1 is electrically connected with the puncture terminal B1 in an inserted manner, so that the incoming line end 122 of the winding 121 of the 151 of the first common bobbin is electrically conducted with one end of the first common line 41; a piercing terminal B2 is provided in the second piercing terminal groove 154 of the second common bobbin 152 and is electrically connected to the line inlet 122 of the winding 121 of the second common bobbin 152, and a piercing terminal a2 is provided in the piercing terminal groove of the second movable bobbin and is electrically connected to the other end of the first common line 41, so that the line inlet 122 of the winding 121 of the second common bobbin 152 is electrically connected to the other end of the first common line 41, and the line inlet 122 of the winding 121 of the first common bobbin 151 is connected in series to the line inlet 122 of the winding 121 of the second common bobbin 152.

The common bobbin 15 further includes a third common bobbin 153, and the common lines further include a second common line 42; the wire inlet end 122 of the winding 121 of the second common framework 152 is electrically communicated with one end of the second common wire 42 through the puncture terminal, and the other end of the second common wire 42 is electrically communicated with the wire inlet end 122 of the winding 121 of the third common framework 153 through the puncture terminal, so that the parallel connection of the winding 121 of the second common framework 152 and the winding 121 of the third common framework 153 is realized;

specifically, one end of the second common line 42 is electrically connected to the puncture terminal a2, a puncture terminal B3 is disposed in the second puncture terminal groove 154 of the third common bobbin 153 and electrically connected to the line inlet 122 of the winding 121 of the third common bobbin 153, a puncture terminal A3 is disposed in the puncture terminal groove of the third movable bobbin and electrically connected to the other end of the second common line 42, and the puncture terminal A3 is electrically connected to the puncture terminal B3 in a plugging manner, so that the line inlet 122 of the winding 121 of the third common bobbin 153 is electrically connected to the other end of the second common line 42, and therefore the line inlet 122 of the winding 121 of the second common bobbin 152 is connected in series to the line inlet 122 of the winding 121 of the third common bobbin 153.

The fixed skeleton 14 includes a first fixed skeleton 141 and a second fixed skeleton 142, and the movable skeleton further includes a fourth movable skeleton, a fifth movable skeleton, and a sixth movable skeleton; the outlet end 123 of the winding 121 of the first common bobbin 151 is electrically conducted with the inlet end 122 of the winding 121 of the first fixed bobbin 141 through the piercing terminal, and the outlet end 123 of the winding 121 of the first fixed bobbin 141 is electrically conducted with the inlet end 122 of the winding 121 of the second fixed bobbin 142 through the piercing terminal, so that the series connection of the winding 121 of the first common bobbin 151, the winding 121 of the first fixed bobbin 141, and the winding 121 of the second fixed bobbin 142 is realized;

specifically, a piercing terminal B4 is disposed in the first piercing terminal groove 16 of the first common bobbin 151 and is electrically conducted with the outlet terminal 123 of the winding 121 of the first common bobbin 151, a piercing terminal a4 is disposed in the piercing terminal groove of the fourth movable bobbin and is electrically conducted with the inlet terminal 122 of the winding 121 of the first fixed bobbin 141, and a piercing terminal a4 is electrically conducted with the piercing terminal B4 by plugging, so that the outlet terminal 123 of the winding 121 of the first common bobbin 151 and the inlet terminal 122 of the winding 121 of the first fixed bobbin 141 are electrically conducted; a puncture terminal B5 is arranged in the puncture terminal groove of the first fixed skeleton 141 and is electrically communicated with the outlet end 123 of the winding 121 of the first fixed skeleton 141, a puncture terminal a5 is arranged in the puncture terminal groove of the fifth movable skeleton and is electrically communicated with the inlet end 122 of the winding 121 of the second fixed skeleton 142, and then the outlet end 123 of the winding 121 of the first fixed skeleton 141 is electrically communicated with the inlet end 122 of the winding 121 of the second fixed skeleton 142; a puncture terminal B6 is arranged in the puncture terminal groove of the second fixing skeleton 142 and is electrically communicated with the outlet end 123 of the winding 121 of the second fixing skeleton 142; the winding 121 of the first common bobbin 151, the winding 121 of the first fixed bobbin 141, and the winding 121 of the second common bobbin 142 are connected in series.

The present embodiment provides a stator of an electric machine, including a plurality of stator units, the stator units including a stator core, a winding, and the wiring assembly for a stator winding of any one of the above; the insulating framework is connected with the stator core and is wound with a winding; the different windings are connected in series or in parallel by piercing the terminals.

The embodiment also provides a motor, which comprises a motor rotor and the motor stator, wherein the motor rotor and the motor stator are coaxially arranged.

Exemplary embodiments of the present disclosure are specifically illustrated and described above. It is to be understood that the present disclosure is not limited to the precise arrangements, instrumentalities, or instrumentalities described herein; on the contrary, the disclosure is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.