CN110266123A - Stator and motor - Google Patents
Stator and motor Download PDFInfo
- Publication number
- CN110266123A CN110266123A CN201910568768.1A CN201910568768A CN110266123A CN 110266123 A CN110266123 A CN 110266123A CN 201910568768 A CN201910568768 A CN 201910568768A CN 110266123 A CN110266123 A CN 110266123A
- Authority
- CN
- China
- Prior art keywords
- stator
- winding
- tooth
- yoke
- stator tooth
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/14—Stator cores with salient poles
- H02K1/146—Stator cores with salient poles consisting of a generally annular yoke with salient poles
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
- H02K21/14—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/28—Layout of windings or of connections between windings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
- H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information
Abstract
The invention discloses a kind of stator and motors, it include: stator yoke, circumferentially spaced multiple stator tooths along the stator yoke and set winding on the stator teeth, composition stator tooth pair is arranged side by side in the stator tooth two-by-two, winding cooperation stator tooth to being arranged side by side composition winding pair two-by-two, two windings of the winding centering it is oppositely oriented.The present invention disconnects stator yoke yoke portion and is made of the stator yoke unit at multiple intervals, guarantee performance under the premise of saving material by the way that winding to be arranged in pairs and oppositely oriented, while stator yoke unit individually produces can reduce technology difficulty.And each winding be to can greatly improve the winding efficiency of winding by a coiling coiling, while be convenient for the installation of winding pair.
Description
Technical field
The present invention relates to field of motor manufacturing more particularly to a kind of stators and motor.
Background technique
With government's energy saving policy guiding, market development demand, household electrical appliance blower direct currentization gradually becomes trend, at present
Industry is radial magnetic field structure (i.e. magnetic field is distributed along rotor radial) using brushless motor and power of motor density is lower, i.e. material
Expect that utilization rate is low.By the rise in price of motor raw material market, high power density motor becomes brshless DC motor development trend.Axis
To flux electric machine with its performance advantage, gradually expanded application, but existing axial-flux electric machine be guarantee flux path it is suitable
Smooth and motor performance, stator yoke are necessary for the entirety of a connection, are produced into will use excessive material and be difficult to decrease
This.
Summary of the invention
In order to solve the stator yoke of motor in the prior art be necessary for one connection entirety and be difficult to decrease production cost
Defect, the invention proposes a kind of stator and motors.
The invention proposes a kind of stators, comprising: stator yoke, circumferentially spaced multiple stators along the stator yoke
Composition stator tooth pair is arranged side by side in the winding of tooth and set on the stator teeth, the stator tooth two-by-two, and the winding cooperates stator tooth
To two-by-two be arranged side by side composition winding pair, two windings of each winding centering it is oppositely oriented.
Preferably, two windings of each winding centering by connecting in parallel or series, with the winding pair of phase
By connecting in parallel or series between winding pair.
Preferably, the stator yoke is made of the stator yoke unit at multiple intervals, and each stator yoke unit is equipped at least
One stator tooth pair.
Further, the minimum spacing between two stator tooths of each stator tooth centering is A, two neighboring stator
Minimum spacing between tooth pair is B, and A≤B.
Further, one end of each stator tooth is equipped with through slot, and the stator yoke is equipped with and stator tooth quantity phase
Deng interconnecting piece, each stator tooth is by the pass trough instrumentation on corresponding interconnecting piece.
Further, two of the end face stretching of the stator tooth convex to form through slot, and the two sides of the interconnecting piece are to open
Mouth slot, the protrusion are inserted into the open slot.
Stator tooth includes axially extending the teeth portion for being arranged winding and the tooth boot portion set on described teeth portion one end close to rotor,
The through slot is set to the teeth portion along the axial other end.
The present invention also proposes a kind of motor, comprising: the rotor of at least one stator and corresponding stator, the stator are above-mentioned
Stator.
Further, the face of rotor described in the tooth boot portion face is the plane of vertical axis.
The rotor includes permanent magnet or including permanent magnet and magnetic conductive disk.
Compared with prior art, the present invention allows stator yoke yoke portion to break by the way that winding to be arranged in pairs and oppositely oriented
It opens and is made of the stator yoke unit at multiple intervals, guarantee performance under the premise of saving material, while stator yoke unit is individually given birth to
Production can reduce technology difficulty.And each winding by a coiling coiling to can be greatly improved the winding efficiency of winding, be convenient for simultaneously
The installation of winding pair.
Detailed description of the invention
Below with reference to embodiment and attached drawing, the present invention is described in detail, in which:
Fig. 1 is the explosive view of stator of the present invention；
Fig. 2 is that stator tooth is fixed in the embodiment of the present invention and winding is to the structure chart of cooperation；
Fig. 3 is the plan view of winding pair in the embodiment of the present invention；
Fig. 4 is winding to concatenated schematic diagram；
Fig. 5 is schematic diagram of the winding to two-way parallel connection；
Fig. 6 is schematic diagram of the winding to multi-channel parallel；
Fig. 7 is the explosive view of stator yoke of the present invention and stator tooth cooperation；
Fig. 8 is the structure chart of stator yoke in the embodiment of the present invention；
Fig. 9 is the structure chart of stator tooth pair in the embodiment of the present invention；
Figure 10 be the embodiment of the present invention in stator yoke connect with stator tooth after plan view；
Figure 11 is magnetic pole distribution map of the invention；
Figure 12 is the explosive view of motor in the embodiment of the present invention；
Figure 13 is the plan view that stator yoke yoke portion disconnects in the embodiment of the present invention；
Figure 14 is the plan view that the present invention implements that stator yoke yoke portion disconnects in another example；
Figure 15 is the schematic perspective view that the stator yoke yoke portion of stator in the embodiment of the present invention disconnects.
Specific embodiment
It should be noted that " circumferential direction " mentioned in the present invention, " axial direction " and " radial direction " refers to stator yoke
Circumferential direction, the axial direction of stator yoke, the radial direction of stator yoke are defined with " circumferential direction ", " axial direction " and " radial direction " of conventional motor stator yoke
It is identical.
As shown in Figures 1 to 3, the invention proposes a kind of stator, which can be used for axial-flux electric machine, comprising: stator
Yoke 1, stator tooth 2 and winding 3, stator yoke 1 along axially stacking multiple stator yoke punchings by forming, and each stator tooth 2 is by along diameter
The identical stator tooth punching of multiple shapes to superposition forms, multiple being provided at circumferentially spaced along stator yoke 1 of stator tooth 2, and more
A stator tooth 2 is located at stator yoke 1 along axial side.And stator yoke in axial direction lamination, stator tooth radially lamination,
Composition stator tooth is arranged side by side to 5 in stator tooth 2 two-by-two, and winding 3 cooperates stator tooth that composition winding pair is arranged side by side two-by-two to 5, often
Two windings 3 of a winding centering it is oppositely oriented, as shown in Figure 13 and Figure 14, make flux path can be in the stator for being arranged winding pair
Tooth is recycled between 5 and rotor and stator yoke, and as shown in figure 15,1 yoke portion of stator yoke can be disconnected by the stator yoke at multiple intervals
Unit 13 forms, and guarantees performance under the premise of saving stator conjugated material, while stator yoke unit individually produces can reduce technique
Difficulty.And each winding be to can greatly improve the winding efficiency of winding by a coiling coiling, while be convenient for the peace of winding pair
Dress.
As shown in Figs. 4-6, two windings for forming winding pair are same phase, and two windings of each winding centering pass through
It connects in parallel or series, it can be by connecting in parallel or series between the winding pair in same phase and winding pair, same phase winding pair
Corresponding connection is realized by modes such as PCB circuit board, leads, realizes the adjusting and variation of motor induced potential size.
As shown in Figs. 7-9, in the present invention, stator tooth 2 and stator yoke 1 are by being engaged by clamping, so that stator yoke 1 and stator
Tooth 2 is connected to, and realizes tooth, yoke communicated magnetic circuit.
In the particular embodiment, each stator tooth 2 includes the teeth portion 21 axially extended and is set to teeth portion 21 along axial direction
One end tooth boot portion 22, tooth boot portion 22 extends along perpendicular to axially direction, and the end face axially extended is plane, tooth boots
The both sides in portion 22 are round-corner transition, and teeth portion 21 is extended at the both ends of tooth boot portion 22, and teeth portion 21 is equipped with along the axial other end
Through slot 211.
Through slot 211 extends along axial direction to the end face of one end of each stator tooth 2, and the two sides of through slot 211 are protrusion 212, convex
It plays 212 to axially extend, such through slot 211 and the protrusion 212 of 211 two sides of through slot form " recessed " word structure.Interconnecting piece 22
Two sides are open slot 12, and protrusion 212 is inserted into open slot 12, and the open slot 12 of the side of interconnecting piece 11 is radially to stator yoke
1 lateral surface extends, and the open slot 12 of the other side of interconnecting piece 11 radially extends to the medial surface of stator yoke 1, connects in this way
The open slot 12 of portion 11 and 11 two sides of interconnecting piece forms " work " word structure.In the present embodiment, interconnecting piece 11 is square block, interconnecting piece
11 is concordant along two axial end faces with stator yoke 1 along two axial end faces." recessed " word structure and " work " word structure are by stator
Yoke is connect with stator tooth, realizes that stator yoke is connected to the road of stator tooth.
As shown in Figure 7 to 10, stator yoke can be with overall structure, vertical bar shaped structure and piece shape structure.Number of stator slots
And the number of poles of motor is preferentially even number.
As shown in Figure 10, Figure 11, stator yoke 1 is in regular polygon (parameter of regular polygon=stator tooth logarithm), stator yoke 1
Each side on one stator tooth of setting to 5, the inscribed circle radius of stator yoke 1 is H, and width (i.e. two stators of tooth boot portion
The width of the tooth boot portion of tooth is plus the minimum spacing A between the tooth boot portion of two stator tooths) it is L, L meets following formula:
, it is generally preferable to A=B, L value are optimal between 0.5-1mm.
Two stator teeths of stator tooth pair are parallel, each stator tooth between 5 circumferentially in angle β be arranged, wherein β=360 °/
Stator tooth logarithm N.Each stator tooth is A to the minimum spacing between two stator tooths 2 in 5, two neighboring stator tooth to 5 it
Between minimum spacing be B, and A≤B, motor cogging torque can be reduced, reduce leakage field between cog and tooth pair, promote motor
Energy.It is preferred that A=B, effect is best.
As shown in figure 12, the invention also provides a kind of motors, comprising: the rotor of above-mentioned stator and corresponding stator,
Transfer attached bag includes permanent magnet 42 and magnetic conductive disk 41.
The MgO-ZrO_2 brick of motor is q, and the slot number of motor is Z, and the number of poles of motor is 2P, and the number of phases of motor is m, and electric
Machine meets following formula:
。
The installation process of motor in the present invention are as follows: punching is laminated into stator tooth and stator yoke by stamping die；Utilize coiling
Equipment coiling annular concentratred winding；Each pair of winding is set in the teeth portion of each stator tooth pair；By each stator tooth to according to
It is secondary to be packed into corresponding stator yoke, it is fixed；Using the techniques curing molding such as injection molding, encapsulating, stator is formed；By magnet ring or sector magnet
Valley fastens with glue onto disk, or magnet ring or the injection molding of magnet steel and magnetic conductive disk are formed as one and are turned using plastics such as nylon
Son；By rotor assembly on stator corresponding position, motor is formed.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. a kind of stator, comprising: stator yoke (1), along the stator yoke (1) circumferentially spaced multiple stator tooths (2) and
Covering the winding (3) on stator tooth (2), which is characterized in that composition stator tooth is arranged side by side to (5) in the stator tooth (2) two-by-two,
Winding (3) the cooperation stator tooth (5) is arranged side by side two-by-two composition winding pair, two windings (3) of the winding centering
It is oppositely oriented.
2. stator as described in claim 1, which is characterized in that two windings (3) of each winding centering pass through parallel connection
Or be connected in series, it is connect in parallel or series with passing through between the winding pair and winding pair of phase.
3. stator as described in claim 1, which is characterized in that the stator yoke (1) by multiple intervals stator yoke unit
(13) it forms, each stator yoke unit is equipped at least one stator tooth to (5).
4. stator as described in claim 1, which is characterized in that each stator tooth to two stator tooths (2) in (5) it
Between minimum spacing be A, the minimum spacing between two neighboring stator tooth pair is B, and A≤B.
5. stator as described in claim 1, which is characterized in that one end of the stator tooth (2) is equipped with through slot (211), described
Stator yoke (1) is equipped with the interconnecting piece (11) equal with stator tooth quantity, and each stator tooth (2) passes through the through slot
(211) it is inserted on corresponding interconnecting piece (11).
6. stator as claimed in claim 5, which is characterized in that two protrusions (212) that the end face of the stator tooth (2) is stretched out
It is formed through slot (211), the two sides of the interconnecting piece (11) are open slot (12), and the protrusion (212) is inserted into the open slot
(12) in.
7. stator as claimed in claim 6, which is characterized in that the stator tooth (2) includes axially extending to be arranged winding (3)
Teeth portion (21) and be set to described teeth portion one end close to rotor (4) tooth boot portion (22), the through slot (211) be set to the teeth portion
(21) along the axial other end.
8. stator as claimed in claim 7, which is characterized in that the face of tooth boot portion (22) the face rotor (4) is vertical axis
The plane of line.
9. a kind of motor, comprising: the rotor of at least one stator and corresponding stator, which is characterized in that the stator is wanted for right
Seek 1 to 8 described in any item stators.
10. motor as claimed in claim 9, which is characterized in that the rotor (4) includes permanent magnet or including permanent magnet
(42) and magnetic conductive disk (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910568768.1A CN110266123A (en) | 2019-06-27 | 2019-06-27 | Stator and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910568768.1A CN110266123A (en) | 2019-06-27 | 2019-06-27 | Stator and motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110266123A true CN110266123A (en) | 2019-09-20 |
Family
ID=67922482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910568768.1A Pending CN110266123A (en) | 2019-06-27 | 2019-06-27 | Stator and motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110266123A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021062735A1 (en) * | 2019-09-30 | 2021-04-08 | 深圳市大疆创新科技有限公司 | Drive motor, scanning module and laser radar |
| CN113302509A (en) * | 2019-12-24 | 2021-08-24 | 深圳市大疆创新科技有限公司 | Driving motor, scanning module and laser radar |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009095088A (en) * | 2007-10-04 | 2009-04-30 | Honda Motor Co Ltd | Axial gap motor |
| CN205231872U (en) * | 2015-12-04 | 2016-05-11 | 新安乃达驱动技术(上海)有限公司 | Servo motor's novel stator and servo motor |
| CN106329747A (en) * | 2016-10-20 | 2017-01-11 | 广东美的环境电器制造有限公司 | Stator of single phase direct current motor for fan, single phase direct current motor and fan |
| CN107846091A (en) * | 2017-10-23 | 2018-03-27 | 史立伟 | A kind of motorized pulleys magneto |
| CN208142940U (en) * | 2018-03-05 | 2018-11-23 | 哈尔滨理工大学 | A kind of surface-mounted permanent magnet machine stator structure that stator rabbet is not wide |
| CN208386259U (en) * | 2018-08-06 | 2019-01-15 | 珠海凯邦电机制造有限公司 | Stator module and axial direction electric machine |
| CN109302027A (en) * | 2018-10-31 | 2019-02-01 | 淮安威灵电机制造有限公司 | Transverse flux motor |
-
2019
- 2019-06-27 CN CN201910568768.1A patent/CN110266123A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009095088A (en) * | 2007-10-04 | 2009-04-30 | Honda Motor Co Ltd | Axial gap motor |
| CN205231872U (en) * | 2015-12-04 | 2016-05-11 | 新安乃达驱动技术(上海)有限公司 | Servo motor's novel stator and servo motor |
| CN106329747A (en) * | 2016-10-20 | 2017-01-11 | 广东美的环境电器制造有限公司 | Stator of single phase direct current motor for fan, single phase direct current motor and fan |
| CN107846091A (en) * | 2017-10-23 | 2018-03-27 | 史立伟 | A kind of motorized pulleys magneto |
| CN208142940U (en) * | 2018-03-05 | 2018-11-23 | 哈尔滨理工大学 | A kind of surface-mounted permanent magnet machine stator structure that stator rabbet is not wide |
| CN208386259U (en) * | 2018-08-06 | 2019-01-15 | 珠海凯邦电机制造有限公司 | Stator module and axial direction electric machine |
| CN109302027A (en) * | 2018-10-31 | 2019-02-01 | 淮安威灵电机制造有限公司 | Transverse flux motor |
Non-Patent Citations (1)
| Title |
|---|
| 陈硕等: "《槽口宽度对伺服永磁电机齿槽转矩的影响研究》", 《湖南工业大学学报》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021062735A1 (en) * | 2019-09-30 | 2021-04-08 | 深圳市大疆创新科技有限公司 | Drive motor, scanning module and laser radar |
| CN113302509A (en) * | 2019-12-24 | 2021-08-24 | 深圳市大疆创新科技有限公司 | Driving motor, scanning module and laser radar |
| CN113302509B (en) * | 2019-12-24 | 2023-09-15 | 深圳市大疆创新科技有限公司 | Driving motor, scanning module and laser radar |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190920 |