CN111668963A - Motor stator and motor - Google Patents
Motor stator and motor Download PDFInfo
- Publication number
- CN111668963A CN111668963A CN202010574394.7A CN202010574394A CN111668963A CN 111668963 A CN111668963 A CN 111668963A CN 202010574394 A CN202010574394 A CN 202010574394A CN 111668963 A CN111668963 A CN 111668963A
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- CN
- China
- Prior art keywords
- stator
- outlet end
- collecting ring
- pin
- collecting
- Prior art date
- Legal status (The legal status 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 status listed.)
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/46—Fastening of windings on the stator or rotor structure
- H02K3/52—Fastening salient pole windings or connections thereto
- H02K3/521—Fastening salient pole windings or connections thereto applicable to stators only
- H02K3/522—Fastening salient pole windings or connections thereto applicable to stators only for generally annular cores with salient poles
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/46—Fastening of windings on the stator or rotor structure
- H02K3/50—Fastening of winding heads, equalising connectors, or connections thereto
Abstract
The invention relates to the field of motors and discloses a motor stator and a motor. The invention divides the wire passing plate into three collecting rings which are sleeved from inside to outside in sequence, the outlet ends corresponding to the collecting rings at the outermost side and the innermost side are electrically connected with the corresponding collecting rings through the corresponding contact pins, the outlet ends corresponding to the collecting rings in the middle are directly and electrically connected with the collecting rings, and the parallel current collection of N branches in the corresponding phases is completed through the collecting rings.
Description
Technical Field
The invention relates to the field of motors, in particular to a motor stator and a motor.
Background
The integrated motor is not only an important power output device, but also an important power generation and energy storage device, and is used for continuously providing electric power support for an electrical system of the whole machine equipment.
The starting integrated motor is mainly applied to the fields of automobiles, motorcycles, aerospace and aviation, and the like, and with the increasing of increasingly strict atmospheric emission standards and intelligent requirements, new functional requirements are provided for the starting integrated motor, for example, the starting integrated motor is required to be in charge of starting ignition of the whole machine and also has the driving functions of power-assisted acceleration and low-speed stages. Under the above circumstances, the starting-up integrated motor usually adopts a multi-parallel branch winding manner to realize high-power output under low power supply voltage to complete driving work.
In the automotive field or the aerospace field, the motor has high requirements on the size and the weight of the motor, and the motor needs to be compact and light in structure. The motor adopts a multi-parallel branch winding, and each parallel branch of each phase of the stator winding is respectively connected to the corresponding wire passing plate after the wire division. In the existing stator structure of a three-phase winding motor, U, V, W three phases are directly led out from a stator end or are led out in a transition mode by adopting a wire passing plate.
Because of the existence of the parallel branch, the direct leading-out scheme is not suitable for the parallel winding, so the parallel winding stator adopts a wire passing plate mode. However, the mode that the parallel winding adopts the wire passing plate has the following defects:
if the number of the parallel branches of each phase is too large, the connection operation after branching is more complicated, more time is needed for manual work to correspondingly find the outlet end on each parallel branch and the connecting point on the wire passing plate one by one, and the large-scale rapid production is not facilitated.
Disclosure of Invention
The invention aims to provide a motor stator and a motor, which can reduce the process difficulty of connecting a plurality of outlet ends of each phase with a collecting ring and shorten the operation time of connecting a plurality of outlet ends of the same phase with the collecting ring.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a motor stator, moulds the stator including the package, is in according to presetting the winding mode around establishing the stator winding on the stator is moulded to the package, stator winding includes three looks, every the looks includes the branch road that N connects the setting in parallel, and N is more than or equal to 2's integer, still includes:
the wire passing plate is arranged at one axial end of the plastic coated stator and is connected with the plastic coated stator, and the wire passing plate comprises collecting rings which are sequentially sleeved and connected from inside to outside; after being connected in parallel, each branch in the same phase forms N outgoing line ends distributed circumferentially on the side where the wire passing plate is located, the outgoing line ends in the same phase correspond to the same collecting ring, and the outgoing line ends in different phases correspond to different collecting rings;
the contact pins are arranged in one-to-one correspondence with the outlet ends, each outlet end corresponding to the collecting ring positioned on the outermost side and the innermost side is electrically connected with the corresponding collecting ring through the corresponding contact pin, and the outlet end corresponding to the collecting ring positioned in the middle is directly electrically connected with the collecting ring.
As a preferred technical solution of the motor stator, an outlet end corresponding to the innermost collecting ring is a first outlet end, and the contact pin corresponding to the first outlet end is a first contact pin;
the first contact pin is welded with the corresponding first outlet end, one end of the first contact pin is connected with the plastic-coated stator in an inserting mode, and the other end of the first contact pin penetrates through the innermost collecting ring and is connected with the innermost collecting ring.
As an optimal technical scheme of the motor stator, first steps corresponding to the first outlet ends one to one are arranged at the first end of the plastic-coated stator, and one first pin hole is arranged on each first step.
As an optimal technical scheme of the motor stator, the plastic-coated stator is clamped with the wire passing plate.
As a preferred technical scheme of the motor stator, at least two second steps which are circumferentially distributed are arranged at the first end of the plastic-coated stator, and the second steps are arranged closer to the first end than the first steps;
the second step is close to one side of first end is equipped with the buckle, the buckle with the stator is moulded to the package links to each other, the inward flange clamp of crossing the line board is located the buckle with between the second step.
As a preferable technical solution of the above motor stator, a height difference between the first step and the second step is greater than or equal to 2 mm.
As a preferred technical solution of the above motor stator, the outlet end corresponding to the middle collecting ring is a second outlet end;
and the second outlet end head penetrates through the middle collecting ring and is electrically connected with the middle collecting ring.
As a preferred technical solution of the above motor stator, an outlet end corresponding to the collecting ring on the outermost side is a third outlet end, and the contact pin corresponding to the third outlet end is a second contact pin;
and the second contact pin is welded with the corresponding third outlet end, one end of the second contact pin is inserted into the plastic-coated stator, and the other end of the second contact pin penetrates through the collecting ring on the outermost side and is connected with the collecting ring on the outermost side.
As a preferable technical solution of the above motor stator, the motor stator further includes three input wires corresponding to the collector rings one to one, and one end of each input wire is electrically connected to the corresponding collector ring.
The invention also provides a motor which comprises the motor stator.
The invention has the beneficial effects that: the invention divides the wire passing plate into three collecting rings which are sequentially sleeved from inside to outside, the wire outlet ends corresponding to the collecting rings at the outermost side and the innermost side are electrically connected with the corresponding collecting rings through the corresponding contact pins, the wire outlet end corresponding to the collecting ring at the middle part is directly and electrically connected with the collecting rings, and the parallel current collection of N branches in corresponding phases is completed through the collecting rings, thereby reducing the process difficulty of connecting a plurality of wire outlet ends of each phase with the collecting rings, shortening the operation time of connecting a plurality of wire outlet ends of the same phase with the collecting rings, and improving the assembly efficiency of the motor stator.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a stator of an electric machine according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a wire-passing board according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a plastic-coated stator according to an embodiment of the present invention;
fig. 4 is a cross-sectional view of a stator of an electric machine provided by an embodiment of the present invention;
fig. 5 is a partial cross-sectional view of a plastic coated stator provided by an embodiment of the invention.
In the figure:
1. a plastic-coated stator; 11. a first step; 12. a second step; 13. buckling; 14. a first pin hole; 15. a second pin hole;
2. a wire passing plate; 21. a first slip ring; 211. a first through hole; 22. a second slip ring; 221. a second through hole; 23. a third slip ring; 231. a third through hole;
31. a first pin; 32. and a second pin.
Detailed Description
In order to make the technical problems solved, the technical solutions adopted and the technical effects achieved by the present invention clearer, the technical solutions of the present invention are further described below by way of specific embodiments with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the elements associated with the present invention are shown in the drawings.
As shown in fig. 1, the present embodiment provides a motor stator and a motor, wherein the motor includes the motor stator. In this embodiment, a motor stator of the starting-integration motor is described in detail by taking the starting-integration motor as an example.
Above-mentioned motor stator moulds stator 1, stator winding, crosses line board 2 and contact pin including the package, and the stator 1 is moulded to the package and is referred to stator core and makes its outer wall cladding have the structure of insulating casing through injection moulding, and in this embodiment, stator core is the silicon steel sheet.
The stator winding is wound on the plastic-coated stator 1 according to a preset winding mode and comprises three phases, each phase comprises N branches which are arranged in parallel, and N is an integer which is more than or equal to 2. It should be noted that the preset winding manner of the stator winding is the prior art, and the corresponding winding manner can be selected according to actual requirements, which is not described herein again.
The plastic coated stator 1 is provided with two axial ends which are oppositely arranged, wherein one end is marked as a first end, the wire passing plate 2 is arranged at the first end of the plastic coated stator 1 and is connected with the plastic coated stator 1, and the wire passing plate 2 comprises collecting rings which are sequentially sleeved and connected from inside to outside; after being connected in parallel, each branch in the same phase forms N outgoing line ends distributed circumferentially on the side where the wire passing plate 2 is located, the outgoing line ends in the same phase correspond to the same collecting ring, and the outgoing line ends in different phases correspond to different collecting rings.
The contact pins and the outlet ends are arranged in one-to-one correspondence, each outlet end corresponding to the collecting ring positioned at the outermost side and the innermost side is electrically connected with the corresponding collecting ring through the corresponding contact pin, and the outlet end corresponding to the collecting ring positioned in the middle is directly electrically connected with the collecting ring.
In the embodiment, the wire passing plate 2 is divided into three collecting rings which are sequentially sleeved from inside to outside, the wire outlet ends corresponding to the collecting rings on the outermost side and the innermost side are electrically connected with the corresponding collecting rings through corresponding contact pins, the wire outlet ends corresponding to the collecting rings in the middle are directly electrically connected with the collecting rings, parallel current collection of N branches in corresponding phases is completed through the collecting rings, the process difficulty that a plurality of wire outlet ends in each phase are connected with the collecting rings is reduced, the operation time that a plurality of wire outlet ends in the same phase are connected with the collecting rings is shortened, and the assembly efficiency of the motor stator is improved.
The motor stator is specifically described by taking a motor stator with 21 slots and 14 poles as an example, wherein three phases are a U phase, a V phase and a W phase respectively, N is 7, that is, the U phase, the V phase and the W phase respectively have 7 outlet ends, the outlet end of the W phase is electrically connected with the innermost collecting ring through a corresponding contact pin, the outlet end of the V phase is directly electrically connected with the middle collecting ring, and the outlet end of the U phase is electrically connected with the outermost collecting ring through a corresponding contact pin. The correspondence between the U-phase, the V-phase, and the W-phase with the three slip rings is not limited to the above-described one.
As shown in fig. 1 and 2, the innermost slip ring is denoted as a first slip ring 21, the middle slip ring is denoted as a second slip ring 22, and the outermost slip ring is denoted as a third slip ring 23. Preferably, the first slip ring 21, the second slip ring 22 and the third slip ring 23 are each a PCB board made of copper foil. The annular region formed between two adjacent collecting rings can be a solid PCB or a hollow PCB, and is mainly used for connecting the two adjacent collecting rings.
In this embodiment, the outlet end corresponding to the first collecting ring 21 is recorded as a first outlet end, the outlet end corresponding to the second collecting ring 22 is recorded as a second outlet end, and the outlet end corresponding to the third collecting ring 23 is recorded as a third outlet end. The pin corresponding to the first outlet end is the first pin 31, and the pin corresponding to the third outlet end is the second pin 32.
As shown in fig. 1 and 3, the plastic-coated stator 1 is provided with 7 first pin holes 14 corresponding to the first outlet ends one to one, the first collecting ring 21 is provided with first through holes 211 corresponding to the first outlet ends one to one, the first pin 31 is welded to the corresponding first outlet end, one end of the first pin 31 is inserted into the first pin hole 14, and the other end of the first pin 31 penetrates through the corresponding first through hole 211 and is welded to the first collecting ring 21, so that the first outlet end is electrically connected to the first collecting ring 21, and parallel current collection of 7 first outlet ends is realized by using the first collecting ring 21. Preferably, the first wire outlet end is opposite to the corresponding first through hole 211, so as to shorten the length of the first wire outlet end, and the plurality of first wire outlet ends are orderly arranged.
Specifically, the first end of the plastic-coated stator 1 is provided with first steps 11 corresponding to the first outlet ends one to one, and each first step 11 is provided with a first pin hole 14.
The second collecting ring 22 is provided with second through holes 221 corresponding to the second outlet ends one to one, and the second outlet ends penetrate through the corresponding second through holes 221 and are welded to the second collecting ring 22, so that the second outlet joints are electrically connected with the second collecting ring 22, and the second collecting ring 22 is used for realizing parallel collection of 7 second outlet ends. Preferably, the second outlet end is arranged opposite to the corresponding second through hole 221, a certain length is reserved in the second outlet end, and the tail end of the second outlet end passes through the second through hole 221 and then is bent and welded to the second collecting ring 22.
The plastic-coated stator 1 is provided with 7 second pin holes 15 corresponding to the third outlet ends one by one, the third collecting ring 23 is provided with second through holes 221 corresponding to the third outlet ends one by one, the second pins 32 are welded with the corresponding third outlet ends, one ends of the second pins 32 are connected with the second pin holes 15 in an inserting mode, the other ends of the second pins penetrate through the corresponding third through holes 231 and are welded with the third collecting ring 23, the third outlet ends are electrically connected with the third collecting ring 23, and the third collecting ring 23 is used for realizing parallel current collection of the 7 third outlet ends. Preferably, the third wire outlet end is opposite to the corresponding third through hole 231, so as to shorten the length of the third wire outlet end, and the plurality of third wire outlet ends are orderly arranged.
Further, of a first through hole 211, a second through hole 221, and a third through hole 231, which are adjacently disposed, the second through hole 221 is located between the first through hole 211 and the third through hole 231. It should be noted that the first through hole 211, the second through hole 221, and the third through hole 231, which are adjacently disposed, are not limited to the distribution manner, and may be determined according to a preset winding manner of the stator winding.
Further, as shown in fig. 3 to 5, the plastic-coated stator 1 is clamped with the wire passing plate 2. Specifically, the first end of the plastic-coated stator 1 is provided with at least two second steps 12 which are circumferentially distributed, and the second steps 12 are arranged closer to the first end than the first steps 11; a buckle 13 is arranged on one side, close to the first end, of the second step 12, the buckle 13 is connected with the plastic coated stator 1, and the inner edge of the wire passing plate 2 is clamped between the buckle 13 and the second step 12. In this embodiment, seven second steps 12 are provided, and one second step 12 is provided between two adjacent first steps 11.
Utilize second step 12 to support and cross line board 2 to carry on spacingly through buckle 13 to crossing line board 2, in order to locate the line board 2 clamp between buckle 13 and second step 12, replaced traditional screw fastening and crossed the mode of line board 2, simplified the fixed mode of crossing line board 2, improved motor stator's compact structure nature, effectively reduced motor stator's weight.
By utilizing the height difference between the first steps 11 and the second steps 12, a mounting groove is formed between each first step 11 and two adjacent second steps 12, and is used for reserving a space for welding a pin and the end of the corresponding first outgoing line so as to prevent assembly interference.
In the present embodiment, the height difference between the first step 11 and the second step 12 is equal to or greater than 2mm, and preferably, the height difference between the first step 11 and the second step 12 is 3 mm.
Furthermore, the motor stator further comprises three input wires corresponding to the collecting rings one by one, and one end of each input wire is electrically connected with the corresponding collecting ring. Specifically, the first pin 31 is soldered to the first bus ring 21 by solder, the second pin 32 is soldered to the second bus ring 22, and the second outlet end is led out from the corresponding second through hole 221 by solder and then soldered to the second bus ring 22. And then, carrying out integral paint dipping, respectively welding one end of each input lead at a proper position on the corresponding collecting ring to realize the electric connection of the input leads and the corresponding collecting ring, and taking the three input leads as input leads of the armature current of the motor stator.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., 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 element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Claims (10)
1. The utility model provides a motor stator, moulds stator (1) including the package, is in according to presetting the winding mode around establishing the stator winding on the stator (1) is moulded to the package, stator winding includes three looks, every the looks includes the branch road that N set up in parallel, and N is more than or equal to 2's integer, its characterized in that still includes:
the wire passing plate (2) is arranged at one axial end of the plastic coated stator (1) and is connected with the plastic coated stator (1), and the wire passing plate (2) comprises collecting rings which are sequentially sleeved and connected from inside to outside; after being connected in parallel, each branch in the same phase forms N outgoing line end heads distributed circumferentially on the side where the wire passing plate (2) is located, the outgoing line end heads in the same phase correspond to the same collecting ring, and the outgoing line end heads in different phases correspond to different collecting rings;
the contact pins are arranged in one-to-one correspondence with the outlet ends, each outlet end corresponding to the collecting ring positioned on the outermost side and the innermost side is electrically connected with the corresponding collecting ring through the corresponding contact pin, and the outlet end corresponding to the collecting ring positioned in the middle is directly electrically connected with the collecting ring.
2. The motor stator according to claim 1, wherein the outlet end corresponding to the innermost collecting ring is a first outlet end, and the pin corresponding to the first outlet end is a first pin (31);
the first pin (31) is welded with the corresponding first outlet end, one end of the first pin (31) is connected with the plastic-coated stator (1) in an inserting mode, and the other end of the first pin penetrates through the innermost collecting ring and is connected with the innermost collecting ring.
3. The motor stator as claimed in claim 2, wherein the first end of the plastic-coated stator (1) is provided with first steps (11) corresponding to the first outlet ends one by one, and each first step (11) is provided with one first pin hole (14).
4. The motor stator as claimed in claim 3, wherein the plastic-coated stator (1) is clamped with the wire passing plate (2).
5. The stator according to claim 4, characterized in that the first end of the plastic-coated stator (1) is provided with at least two second steps (12) arranged circumferentially, the second steps (12) being arranged closer to the first end than the first steps (11);
second step (12) are close to one side of first end is equipped with buckle (13), buckle (13) with the package is moulded stator (1) and is linked to each other, the inward flange clamp of crossing line board (2) is located buckle (13) with between second step (12).
6. The stator according to claim 5, characterized in that the difference in height between said first step (11) and said second step (12) is greater than or equal to 2 mm.
7. The motor stator according to any one of claims 1 to 6, wherein the outlet end corresponding to the middle collector ring is a second outlet end;
and the second outlet end head penetrates through the middle collecting ring and is electrically connected with the middle collecting ring.
8. The motor stator according to any one of claims 1 to 6, wherein the outlet end corresponding to the outermost collector ring is a third outlet end, and the pin corresponding to the third outlet end is a second pin (32);
the second contact pin (32) is welded with the corresponding third outlet end, one end of the second contact pin (32) is connected with the plastic-coated stator (1) in an inserting mode, and the other end of the second contact pin penetrates through the collecting ring on the outermost side and is connected with the collecting ring on the outermost side.
9. The electric machine stator according to any one of claims 1 to 6, further comprising three input wires in one-to-one correspondence with the slip rings, each of the input wires having one end electrically connected to the corresponding slip ring.
10. An electrical machine comprising an electrical machine stator according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010574394.7A CN111668963B (en) | 2020-06-22 | 2020-06-22 | Motor stator and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010574394.7A CN111668963B (en) | 2020-06-22 | 2020-06-22 | Motor stator and motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111668963A true CN111668963A (en) | 2020-09-15 |
| CN111668963B CN111668963B (en) | 2021-08-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010574394.7A Active CN111668963B (en) | 2020-06-22 | 2020-06-22 | Motor stator and motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111668963B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2899199Y (en) * | 2006-01-26 | 2007-05-09 | 王太历 | Integrated current-collecting ring of electric motor |
| CN201623594U (en) * | 2009-12-31 | 2010-11-03 | 比亚迪股份有限公司 | Motor stator and motor comprising same |
| CN104734388A (en) * | 2013-12-19 | 2015-06-24 | 广东美的环境电器制造有限公司 | Block stator and motor with the same |
| CN205544819U (en) * | 2016-04-28 | 2016-08-31 | 长城汽车股份有限公司 | Collecting ring and concentrated winding formula motor |
| CN209608434U (en) * | 2019-05-20 | 2019-11-08 | 常州卓优电器有限公司 | A kind of stator of electrical motor of sewing machine insulation framework |
-
2020
- 2020-06-22 CN CN202010574394.7A patent/CN111668963B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2899199Y (en) * | 2006-01-26 | 2007-05-09 | 王太历 | Integrated current-collecting ring of electric motor |
| CN201623594U (en) * | 2009-12-31 | 2010-11-03 | 比亚迪股份有限公司 | Motor stator and motor comprising same |
| CN104734388A (en) * | 2013-12-19 | 2015-06-24 | 广东美的环境电器制造有限公司 | Block stator and motor with the same |
| CN205544819U (en) * | 2016-04-28 | 2016-08-31 | 长城汽车股份有限公司 | Collecting ring and concentrated winding formula motor |
| CN209608434U (en) * | 2019-05-20 | 2019-11-08 | 常州卓优电器有限公司 | A kind of stator of electrical motor of sewing machine insulation framework |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111668963B (en) | 2021-08-27 |
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