CN218850576U - A subassembly, motor and power device converge for series connection stator winding - Google Patents

Abstract

The utility model provides a subassembly, motor and the power device that converges for series connection electronic winding, this subassembly that converges includes a plurality of parts that converge mutually, and a plurality of parts range upon range of settings that converge mutually converge, the part that converges mutually including a plurality of sections and at least one phase linkage section that converge mutually that are located the same one deck, the phase linkage section is connected between two adjacent sections that converge mutually, and a plurality of sections and at least one phase linkage section that converge mutually are used for connecting the coil with mutually. The utility model provides a subassembly that converges mutually, the part that converges mutually includes a plurality of sections and at least one phase linkage segment that converge mutually that are located the same one deck, therefore can establish ties with the same phase coil, and then can shorten the overline distance between the cophase winding. And a plurality of phase confluence parts are arranged in a laminating way and have the same structure, so that coils of different phases in the stator winding can be made into the same shape, and meanwhile, coil passing wires of the windings of different phases can also be made into the same shape, thereby reducing the manufacturing cost of the motor and improving the manufacturing efficiency.

Description

A subassembly, motor and power device converge for series connection stator winding

Technical Field

The utility model relates to the technical field of electric machines, concretely relates to subassembly, motor and power device converge for series connection electron winding.

Background

At present, stators in electrical machines typically employ distributed windings that constitute windings by arranging conductors in several slots to form a single pole, and distributed windings are windings that can be spread out more widely and "distributed" across the stator, with the various winding phases overlapping in different slots. However, in distributed windings, the conductor must span many slots at the end turns, which results in large crossover distances, increases manufacturing costs, and also reduces manufacturing efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model provides a subassembly, motor and the power device converge for series connection electronic winding, the subassembly that should converge can shorten stator winding's overline distance to reduce the manufacturing cost of motor and improve manufacturing efficiency.

In a first aspect, the present invention provides a bus assembly with series stator windings, the bus assembly comprising:

the phase bus component comprises a plurality of phase bus segments and at least one phase connecting segment, the phase bus segments are located on the same layer, the phase connecting segment is connected between every two adjacent phase bus segments, and the phase bus segments and the phase connecting segment are used for being connected with coils in the same phase.

The utility model provides a subassembly that converges mutually, the part that converges mutually includes a plurality of sections and at least one phase linkage segment that converge mutually that are located the same one deck, therefore can establish ties with the same phase coil, and then can shorten the overline distance between the cophase winding. And a plurality of phase confluence parts are arranged in a laminating way and have the same structure, so that coils of different phases in the stator winding can be made into the same shape, and meanwhile, coil passing wires of the windings of different phases can also be made into the same shape, thereby reducing the manufacturing cost of the motor and improving the manufacturing efficiency.

According to any of the preceding embodiments of the first aspect of the present invention, the phase junction section comprises a phase junction main body section, a first contact pin for grounding, and a second contact pin for connecting a power supply, the first contact pin is connected to one end of the phase junction main body section along a stacking direction, and the second contact pin is connected to the other end of the phase junction main body section along the stacking direction;

the phase connecting section comprises a phase connecting main body section, a third contact pin for grounding and a fourth contact pin for connecting a power supply, the third contact pin is connected to one end of the phase connecting main body section along the stacking direction, and the fourth contact pin is connected to the other end of the phase connecting main body section along the stacking direction;

between two adjacent phase bus sections, the first pin of one phase bus section is adjacent to the second pin of the other phase bus section, the phase connection section is located between the first pin and the second pin which are adjacent, the third pin is close to the second pin, and the fourth pin is close to the first pin.

According to any of the embodiments of the first aspect of the present invention, the distance between the first contact pin and the axis of the confluence assembly is equal to the distance between the third contact pin and the axis of the confluence assembly, and the distance between the second contact pin and the axis of the confluence assembly is equal to the distance between the fourth contact pin and the axis of the confluence assembly;

the distance between the first contact pin and the axis of the bus assembly is greater than the distance between the second contact pin and the axis of the bus assembly.

According to any preceding embodiment of the first aspect of the present invention, the bus bar assembly comprises: at least three of the phase bus members, the phase bus members further including a phase connection terminal located between adjacent two of the phase bus segments;

and a common bus member disposed opposite to the phase connection terminal in a radial direction of the phase bus member, the common bus member including a common bus bar section and a common terminal disposed opposite to the connection terminal, the common terminal connecting the common bus bar section in the stacking direction.

According to the utility model discloses the aforesaid of the first aspect any embodiment, the syringe needle of first contact pin the syringe needle of second contact pin the syringe needle of third contact pin the syringe needle of fourth contact pin the end of looks wiring terminal with the end of public terminal is in the coplanar.

According to any one of the preceding embodiments of the first aspect of the present invention, the at least three phase-joining members comprise:

a first phase current collecting member;

a second phase current collecting member provided on one side of the first phase current collecting member in the stacking direction;

a third phase current collecting member provided on a side of the second phase current collecting member away from the first phase current collecting member in the stacking direction;

wherein the phase bus segments of the first phase bus member, the second phase bus member, and the third phase bus member are arranged in a staggered manner in the stacking direction.

According to any one of the embodiments of the first aspect of the present invention, at least one of the first pins of the second phase merging component and at least one of the first pins of the second phase merging component are arranged at an interval between the first pins and the second pins of the phase merging segment in the first phase merging component.

According to any of the preceding embodiments of the first aspect of the present invention, the bus bar assembly further comprises:

and the bus frame is provided with a plurality of phase bus components in a laminated manner.

In a second aspect, the present invention provides an electric machine, comprising the bus bar assembly according to any of the above-mentioned embodiments of the first aspect of the present invention.

In a third aspect, embodiments of the present invention provide a power device, including the motor of any one of the aforementioned embodiments of the second aspect of the present invention.

The above description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following detailed description of the present invention is given.

Drawings

Various additional advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like parts are designated by like reference numerals throughout the drawings. In the drawings:

fig. 1 shows a schematic structural diagram of a bus bar assembly provided by some embodiments of the present invention.

Fig. 2 shows a schematic structural diagram of a bus bar assembly according to another embodiment of the present invention.

Fig. 3 shows an exploded view of a bus bar assembly according to some embodiments of the present invention.

Fig. 4 shows a schematic structural diagram of an electric machine provided in some embodiments of the present invention.

The reference numbers in the detailed description are as follows:

100-a motor;

10-a busbar assembly;

11-phase bus member, 111-phase bus segment, 111 a-phase bus main body segment, 111 b-first pin, 111 c-second pin, 112-connection segment, 112 a-connection main body segment, 112 b-third pin, 112 c-fourth pin, 113-phase connection terminal;

11 a-first phase bus member, 11 b-second phase bus member, 11 c-third phase bus member;

12-common bus member, 121-common bus segment, 122-common terminal;

13-converging skeleton, 131-positioning part.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only used to illustrate the technical solutions of the present invention more clearly, and therefore are only used as examples, and the protection scope of the present invention is not limited thereby.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs; the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention; the terms "including" and "having," and any variations thereof, in the description and claims of the invention and the above description of the drawings are intended to cover non-exclusive inclusions.

In the description of the embodiments of the present invention, the technical terms "first", "second", and the like are used only for distinguishing different objects, and are not to be construed as indicating or implying relative importance or implicitly indicating the number, specific order, or primary-secondary relationship of the technical features indicated. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

In the description of the embodiments of the present invention, the term "and/or" is only an association relationship describing an associated object, and means that there may be three relationships, for example, a and/or B, and 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.

In the description of the embodiments of the present invention, the term "plurality" refers to two or more (including two), and similarly, "plural groups" refers to two or more (including two), and "plural pieces" refers to two or more (including two).

In the description of the embodiments of the present invention, the terms "center", "longitudinal", "transverse", "length", "width", "wall thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or component referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the embodiments of the present invention.

In the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are used in a broad sense, e.g., they may be connected or detachably connected or integrated; mechanical connection or electrical connection is also possible; they may be directly connected or indirectly connected through intervening media, or may be connected through one or more other components or may be in an interactive relationship with one another. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

Preferred embodiments of the bus bar assembly according to the present disclosure will be described in detail below with reference to the accompanying drawings. Fig. 1 shows a schematic structural view of a bus bar assembly provided by some embodiments of the present invention.

Fig. 2 shows a schematic structural diagram of a bus bar assembly according to another embodiment of the present invention. Fig. 3 shows an exploded view of a bus bar assembly according to some embodiments of the present invention. Fig. 4 shows a schematic structural diagram of an electric machine provided by some embodiments of the present invention.

Possible embodiments within the scope of the present disclosure may have fewer parts, have other parts not shown in the drawings, different parts, differently arranged parts or differently connected parts, etc. than the embodiments shown in the drawings. Further, two or more of the elements in the drawings may be implemented in a single element or a single element shown in the drawings may be implemented as multiple separate elements without departing from the concepts of the present disclosure.

Stators in electrical machines will typically employ distributed windings that constitute the winding by arranging conductors in a number of slots to form a single pole, and distributed windings are windings that can be spread out more widely and "distributed" across the stator, with the various winding phases overlapping in different slots. However, in distributed windings, the conductor must span many slots at the end turns, which results in large crossover distances, increases manufacturing costs, and also reduces manufacturing efficiency.

In view of this, the utility model provides a subassembly, motor and power device converge for series connection electron winding, this subassembly that converges can shorten stator winding's overline distance to reduce the manufacturing cost of motor and improve manufacturing efficiency.

Current collecting assembly

Referring to fig. 1, fig. 1 is a schematic structural diagram illustrating a bus assembly according to some embodiments of the present invention.

As shown in fig. 1, the present invention provides a bus assembly with series stator windings, the bus assembly 10 includes a plurality of phase bus parts 11, the plurality of phase bus parts 11 are stacked, the phase bus parts 11 include a plurality of phase bus segments 111 and at least one phase connecting segment 112 located on the same layer, the phase connecting segment 112 is connected between two adjacent phase bus segments 111, and the plurality of phase bus segments 111 and the at least one phase connecting segment 112 are used for connecting the same phase coil.

In the present invention, the stacking arrangement means that the bus bar assembly 10 is sequentially arranged in the thickness direction and in contact with each other.

The utility model provides a subassembly 10 converges mutually, the part 11 converges mutually includes a plurality of sections 111 and at least one phase connection section 112 that converge mutually that are located the same one deck, therefore can establish ties with the same phase coil, and then can shorten the overline distance between the cophase winding. And a plurality of phase confluence parts 11 are stacked and arranged with the same structure, so that coils of different phases in the stator winding can be made into the same shape, and meanwhile, coil passing wires of the windings of different phases can be made into the same shape, thereby reducing the manufacturing cost of the motor and improving the manufacturing efficiency.

As shown in fig. 3, in some embodiments of the present invention, the phase junction section 111 includes a phase junction main body section 111a, a first pin 111b for grounding, and a second pin 111c for connecting a power source, the first pin 111b is connected to one end of the phase junction main body section 111a in a stacking direction, and the second pin 111c is connected to the other end of the phase junction main body section 111a in the stacking direction. The phase connecting section 112 includes a phase connecting body section 112a, a third pin 112b for grounding, and a fourth pin 112c for connecting a power source, the third pin 112b being connected to one end of the phase connecting body section 112a in the stacking direction, the fourth pin 112c being connected to the other end of the phase connecting body section 112a in the stacking direction. Between two adjacent phase bus sections 111, the first pin 111b of one phase bus section 111 is adjacent to the second pin 111c of the other phase bus section 111, and the connecting section 112 is located between the adjacent first pin 111b and the second pin 111c, the third pin 112b is close to the second pin 111c, and the fourth pin 112c is close to the first pin 111b.

In the present invention, the stacking direction refers to a direction in which the layers overlap, and is a direction substantially perpendicular to a plane direction of the layers, and may also be understood as a direction parallel to an axial direction of the bus bar assembly 10, for example, an axial direction as indicated by a in fig. 1.

In the above embodiments, the phase bus bar sections 111 and the connecting sections 112 have simple structures, and the phase bus bar sections 111 and the connecting sections 112 of the plurality of phase bus members 11 can be respectively manufactured by the same set of molds, thereby further reducing the manufacturing cost and improving the manufacturing efficiency.

In some embodiments of the present invention, the distance between the first pin 111b and the axis of the confluence assembly 10 is equal to the distance between the third pin 112b and the axis of the confluence assembly 10, and the distance between the second pin 111c and the axis of the confluence assembly 10 is equal to the distance between the fourth pin 112c and the axis of the confluence assembly 10. The distance between the first pin 111b and the axis of the bus bar assembly 10 is greater than the distance between the second pin 111c and the axis of the bus bar assembly 10.

In the above embodiments, the first pin 111b and the second pin 111c, and the third pin 112b and the fourth pin 112c are distributed in a staggered manner, so that the pins can form a ring structure, and thus the bus bar assembly 10 and the coil connection of the stator winding are neater.

Referring to fig. 2 and 3, fig. 2 is a schematic structural diagram of a bus bar assembly 10 according to another embodiment of the present invention. Fig. 3 shows an exploded view of the bus bar assembly 10 according to some embodiments of the present invention.

As shown in fig. 2, in some embodiments of the present invention, the bus bar assembly 10 further includes a bus bar frame 13, and the plurality of phase bus members 11 are stacked in the bus bar frame 13.

In the above embodiments, the bus frame 13 can provide a supporting function for the plurality of phase bus members 11 and the common bus member 12, and can also isolate adjacent pins in the plurality of pins to perform an electrical insulation function.

In some examples, the bus bar 13 may be an injection molded part, which may be integrally injection molded with the plurality of phase bus members 11.

Furthermore, in some embodiments of the present invention, the bus frame 13 can also adopt a plastic-coated process, so as to increase the frame strength and make the motor current more stable.

As shown in fig. 2, in some embodiments of the present invention, the inner edge of the confluence bobbin 13 is provided with a positioning part 131 protruding from the surface of the confluence bobbin 13.

In the above embodiments, the positioning portion 131 can guide the bus bar assembly 10 to match with other components, thereby shortening the assembly time of the motor and improving the manufacturing efficiency.

In some embodiments of the present invention, the bus bar assembly 10 includes at least three phase bus members 11 and a common bus member 12, the phase bus members 11 further include phase connection terminals 113, and the phase connection terminals 113 are located between two adjacent phase bus sections 111. The common bus member 12 is disposed opposite to the phase connection terminal 113 in a radial direction of the phase bus member 11, the common bus member 12 includes a common bus bar section 121 and a common terminal 122 disposed opposite to the connection terminal, and the common terminal 122 connects the common bus bar section 121 in a lamination direction.

In the present invention, the radial direction is a direction perpendicular to the axial direction a.

In the above embodiments, the phase connection terminal 113 enables the phase bus member 11 to be connected to the power source more favorably, and the provision of the common bus member 12 enables the motor to be safer.

In some embodiments of the present invention, the pin head of the first pin 111b, the pin head of the second pin 111c, the pin head of the third pin 112b, the pin head of the fourth pin 112c, the end of the phase connection terminal 113, and the end of the common terminal 122 are located on the same plane.

In the above embodiments, the pin heads of the first pin 111b, the second pin 111c, the third pin 112b, the fourth pin 112c, the end of the phase connection terminal 113 and the end of the common terminal 122 are in the same plane, so that the bus bar assembly 10 can be better connected to the stator windings.

In some aspects of the present invention, as shown in fig. 3, the at least three phase bus members 11 include a first phase bus member 11a, a second phase bus member 11b, and a third phase bus member 11c. The second phase current collecting member 11b is provided on one side of the first phase current collecting member 11a in the stacking direction. The third phase current collecting member 11c is provided on a side of the second phase current collecting member 11b away from the first phase current collecting member 11a in the stacking direction. The phase bus bars 111 of the first phase bus member 11a, the second phase bus member 11b, and the third phase bus member 11c are arranged in a staggered manner in the stacking direction.

In the above embodiments, the first phase bus bar 11a may be connected to the U-phase of the motor, the second phase bus bar 11b may be connected to the V-phase of the motor, and the third phase bus bar 11c may be connected to the W-phase of the motor.

In some embodiments of the present invention, at least one first pin 111b of the second phase current collecting part 11b and at least one first pin 111b of the second phase current collecting part 11b are spaced between the first pin 111b and the second pin 111c of the phase current collecting section 111 in the first phase current collecting part 11 a.

Electric machine

Referring to fig. 4, fig. 4 is a schematic structural diagram of a motor according to some embodiments of the present invention.

As shown in fig. 4, the present invention provides an electric machine 100 including the bus bar assembly of any of the above embodiments. Because the utility model discloses a motor includes the subassembly that converges among the above-mentioned embodiment, consequently, this motor also has the above-mentioned technological effect that the subassembly possessed that converges, the utility model discloses embodiment is no longer repeated here.

Power plant

The utility model provides a power device, motor in the above-mentioned arbitrary embodiment.

The utility model discloses an in the embodiment, power device can be vehicle, aerospace vehicle, marine transport means, air transport means etc..

In some examples, the vehicle may be a conventional fuel vehicle or a new energy vehicle. The new energy automobile comprises a pure electric automobile, an extended range electric automobile, a hybrid electric automobile, a fuel cell electric automobile, a hydrogen engine automobile and the like.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. The present invention is not limited to the particular embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.

Claims (10)

1. A bus assembly for serially connecting stator windings, the bus assembly comprising:

the phase bus component comprises a plurality of phase bus sections and at least one phase connection section, the phase bus sections are located on the same layer, the phase connection sections are connected between every two adjacent phase bus sections, and the phase bus sections and the phase connection sections are used for being connected with coils of the same phase.

2. The bus assembly according to claim 1, wherein the phase bus section includes a phase bus main body section, a first pin for grounding, and a second pin for connecting a power source, the first pin being connected to one end of the phase bus main body section in a stacking direction, the second pin being connected to the other end of the phase bus main body section in the stacking direction;

the phase connecting section comprises a phase connecting main body section, a third contact pin for grounding and a fourth contact pin for connecting a power supply, the third contact pin is connected to one end of the phase connecting main body section along the stacking direction, and the fourth contact pin is connected to the other end of the phase connecting main body section along the stacking direction;

between two adjacent phase bus sections, the first pin of one phase bus section is adjacent to the second pin of the other phase bus section, the phase connection section is located between the first pin and the second pin which are adjacent, the third pin is close to the second pin, and the fourth pin is close to the first pin.

3. The assembly according to claim 2, wherein a distance between the first pin and an axis of the assembly is equal to a distance between the third pin and an axis of the assembly, and a distance between the second pin and an axis of the assembly is equal to a distance between the fourth pin and an axis of the assembly;

the distance between the first contact pin and the axis of the bus assembly is greater than the distance between the second contact pin and the axis of the bus assembly.

4. The bus assembly according to claim 2 or 3, comprising: at least three of the phase bus members, the phase bus members further including a phase connection terminal located between adjacent two of the phase bus segments;

and a common bus member disposed opposite to the phase connection terminal in a radial direction of the phase bus member, the common bus member including a common bus bar section and a common terminal disposed opposite to the connection terminal, the common terminal connecting the common bus bar section in the stacking direction.

5. The busbar assembly according to claim 4, wherein the pin head of the first pin, the pin head of the second pin, the pin head of the third pin, the pin head of the fourth pin, the terminal of the phase connection terminal and the terminal of the common terminal are in the same plane.

6. The bus assembly of claim 5, wherein the at least three phase bus members comprise:

a first phase current collecting member;

a second phase current collecting member provided on one side of the first phase current collecting member in the stacking direction;

a third phase current collecting member provided on a side of the second phase current collecting member away from the first phase current collecting member in the stacking direction;

wherein the phase bus segments of the first phase bus member, the second phase bus member, and the third phase bus member are arranged in a staggered manner in the stacking direction.

7. The bus assembly of claim 6, wherein at least one of the first pins of the second phase bus member and at least one of the first pins of the second phase bus member are spaced between the first pins and the second pins of the phase bus segments of the first phase bus member.

8. The bus bar assembly of claim 1, further comprising:

and the bus frame is provided with a plurality of phase bus components in a laminated manner.

9. An electrical machine comprising the bus bar assembly of any one of claims 1-8.

10. A power plant comprising an electric machine as claimed in claim 9.

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