CN108667165A - Motor - Google Patents
Motor Download PDFInfo
- Publication number
- CN108667165A CN108667165A CN201810173717.4A CN201810173717A CN108667165A CN 108667165 A CN108667165 A CN 108667165A CN 201810173717 A CN201810173717 A CN 201810173717A CN 108667165 A CN108667165 A CN 108667165A
- Authority
- CN
- China
- Prior art keywords
- tooth
- stator
- winding
- motor according
- crossed beam
- 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
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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
- 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
- H02K1/16—Stator cores with slots for windings
- H02K1/165—Shape, form or location of the slots
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/32—Windings characterised by the shape, form or construction of the insulation
- H02K3/34—Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation
- H02K3/345—Windings characterised by the shape, form or construction of the insulation between conductors or between conductor and core, e.g. slot insulation between conductor and core, e.g. slot insulation
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
Abstract
The present invention provides a kind of motors, including：Stator has stator tooth；Tooth set is set in the periphery of stator tooth；Winding is wrapped in the periphery of tooth set.Motor provided by the invention is arranged tooth set in the periphery of stator tooth, and winds winding in the periphery of tooth set, without reserving coiling nozzle space, tooth socket space is saved, more windings can be wound in tooth socket, increase winding area, improves the copper factor of stator, improve the efficiency of motor.
Description
Technical field
The present invention relates to technical field of motors, particularly, are related to a kind of motor.
Background technology
It is the front end protrusion of stator tooth that stator core in existing motor, which usually all has pole shoe, pole shoe,.It, can using pole shoe
To stop that the conductor in stator tooth socket skids off.
However, with the development of motor technology, switched reluctance machines, flux switching motor and magnetic suspension motor etc.
The magnetic Circuit Design of New-type electric machine needs the structure without pole shoe.It, typically directly will be around currently, as shown in Figure 1, for no pole shoe stator
Group 1 is wound into the periphery of stator tooth 2, and due to not having pole shoe to limit winding, winding area cannot be excessive, and must be in ladder
Shape can ensure that winding 1 will not slide to outside slot.Also, coiling nozzle reserved space 3 directly occupies space in slot, therefore,
All winding areas are too small in slot, cause copper factor too low.
In addition, using the stator of above-mentioned winding mode, need that slot insulating paper 4, slot are arranged in the tooth socket between stator tooth 2
On the one hand insulating paper 4 needs to be designed to the shape that the shape with tooth socket matches, special program is needed to carry out on the other hand
Inserting, can cause the reduction of the efficiency of assembling and working efficiency of motor.
Invention content
Present invention aims at a kind of motor is provided, low with the motor copper factor for solving existing no pole shoe structure, motor is imitated
The technical issues of rate declines.
To achieve the above object, the present invention provides a kind of motors, including：Stator has stator tooth；Tooth set, is set in
The periphery of stator tooth；Winding is wrapped in the periphery of tooth set.
Further, the side wall of stator tooth is provided with limiting slot；The inner wall of tooth set is provided with the limit coordinated with limiting slot
Protrusion.
Further, the ratio between width of the depth of each limiting slot and stator tooth is 0.125 to 0.2.
Further, limiting slot is acute angle groove, and the external part of stator tooth is directed toward on the top of acute angle groove.
Further, the first angle of the side wall of the first cell wall and stator tooth of the external part of the close stator tooth of acute angle groove
In 90 ° to 135 °；Second angle of the second cell wall of the external part of the separate stator tooth of acute angle groove and the side wall of stator tooth is in
135 ° to 150 °.
Further, tooth set positioned at the part both sides parallel with the axial direction of stator of the external part of stator tooth be both provided with to
The winding blocking portion that the outside of tooth set is stretched out.
Further, two winding blocking portions for being belonging respectively to different tooth sets in the same tooth socket cooperate
It is blocked in the tooth socket with the winding that will be located in tooth socket.
Further, the tooth set one or both sides parallel with the axial direction of stator positioned at the part of the root of stator tooth are provided with
Along the insulating layer positioning region that the circumferencial direction of stator stretches out, insulating layer is clamped between insulating layer positioning region and the bottom wall of tooth socket.
Further, the external part of insulating layer positioning region and the opposite side of the bottom wall of tooth socket, which are provided with insulating layer and step down, lacks
Mouthful.
Further, one end of tooth set was provided with line portion, crosses in line portion and is provided with crossed beam trunking, the external part of winding passes through
Crossed beam trunking.
Further, the quantity of crossed beam trunking is multiple, and the depth of each crossed beam trunking is different.
Further, the root of crossed beam trunking forms the card line tooth of the inside protrusion of oriented crossed beam trunking, card line tooth and crossed beam trunking
Slot bottom between formed winding location hole.
The invention has the advantages that：
The present invention provides a kind of motors, including：Stator has stator tooth；Tooth set is set in the periphery of stator tooth；Around
Group is wrapped in the periphery of tooth set.Motor provided by the invention is arranged tooth set in the periphery of stator tooth, and is twined in the periphery of tooth set
Tooth socket space has been saved without reserved coiling nozzle space around winding, more windings can be wound in tooth socket, increase winding
Area improves the copper factor of stator, improves the efficiency of motor.
Other than objects, features and advantages described above, the present invention also has other objects, features and advantages.
Below with reference to figure, the present invention is described in further detail.
Description of the drawings
The attached drawing constituted part of this application is used to provide further understanding of the present invention, schematic reality of the invention
Example and its explanation are applied for explaining the present invention, is not constituted improper limitations of the present invention.In the accompanying drawings：
Fig. 1 is the cross-sectional view of winding in the tooth socket of the stator of the motor without pole shoe structure in the prior art；
Fig. 2 is the tooth set and stator assembling structure schematic diagram of the preferred embodiment of the present invention；
Fig. 3 is the tooth set axis geodesic structure schematic diagram of the preferred embodiment of the present invention；
Fig. 4 is the tooth set main structure diagram of the preferred embodiment of the present invention；
Fig. 5 is cross-sectional view of the winding of the preferred embodiment of the present invention in tooth socket；
Fig. 6 is the limit slot structure schematic diagram of the stator tooth of the preferred embodiment of the present invention；And
Fig. 7 is the tooth set overlooking structure diagram of the preferred embodiment of the present invention.
Specific implementation mode
The embodiment of the present invention is described in detail below in conjunction with attached drawing, but the present invention can be defined by the claims
Implement with the multitude of different ways of covering.
As shown in Figures 2 to 4, the present invention provides a kind of motor, which includes：Stator 10 has stator tooth 11；Tooth
Set 30, is set in the periphery of stator tooth 11；Winding 50 is wrapped in the periphery of tooth set 30.Motor provided by the invention, in stator tooth
11 periphery is arranged tooth set 30, and then winding 50 is wrapped in the periphery of tooth set 30, saved shared by coiling nozzle in the prior art
Tooth socket space can increase the area of the winding 50 wound in tooth socket 12, carry from figure 5 it can be seen that covering 11 using tooth
High copper factor, by calculating it is found that compared with the existing technology, area of the winding 50 in tooth socket 12 increases nearly 15%.And
And 30 are covered using tooth, winding 50 can be just wound into the periphery of tooth set 30 before tooth set 30 is installed on stator tooth 11,
The winding mode for being directly wound into stator tooth periphery in compared with the existing technology is compared, and motor provided by the invention may be used
External independent spooling equipment carries out coiling, and the sectional area shape of winding 50 can carry out shaping, dipping lacquer according to the shape of tooth socket 12
Solidification, to reach suitable shape, input is simple, and around lineal travel freedom, winding can compact regularly arranged, and threading speed can be with
It improves, improves production efficiency.
In order to improve the connection reliability between tooth set 30 and stator tooth 11, prevent tooth set from 30 falling off from stator tooth 11,
The side wall of stator tooth 11 is provided with limiting slot 11a, and the inner wall of tooth set 30 is provided with the stopper protrusion 31 with limiting slot 11a cooperations.
Limiting slot 11a is mutually engaged by clamping with stopper protrusion 31, prevents tooth set 30 from falling off.The shape of limiting slot 11a and stopper protrusion 31
It can have any shape, can be selected according to angle easy to process and highly reliable.In the present invention by taking V-shaped groove as an example,
But shape of slotting, can also be including semi-circular groove etc. including but not limited to v-depression.
As shown in fig. 6, in order to improve the connection between limiting slot 11a and stopper protrusion 31, prevent stopper protrusion 31 from limit
It is slipped in the slot 11a of position, limiting slot 11a is the acute angle groove for the external part for being directed toward stator tooth 11.The acute angle groove of this form is similar
The form of hook is conducive to stopper protrusion 31 and enters limiting slot 11a, while being conducive to that stopper protrusion 31 is prevented to skid off limiting slot again
11a。
To ensure secure fit after assembling and not causing excessive interference to motor magnetic circuit, the close stator tooth of acute angle groove
First included angle A 1 of the first cell wall 11b of 11 external part and the side wall of stator tooth 11 is in 90 ° to 135 °, and the separate of acute angle groove is determined
Second included angle A 2 of the second cell wall 11c of the external part of sub- tooth 11 and the side wall of stator tooth 11 is in 135 ° to 150 °.Also, it limits
The ratio between the depth B c of slot 11a and the width Bs of stator tooth 11 are 0.125 to 0.2, select different teeth to cover 30, tooth covers 30 intensity
Difference, to avoid generating large effect to magnetic circuit, under conditions of meeting intensity, ratio should should remove limit value.For big
Type motor, when needing higher bonding strength, the number of limiting slot 11a can be one or more, uniformly distributed or non-be distributed on
The side of stator tooth 11.
In addition, the inner wall distance of tooth set 30 is not in the case of by external force, width should be slightly less than the width of stator tooth 11,
To ensure that tooth set 30 is interference fitted with stator tooth 11.In this way, even if working under higher temperatures liter, tooth set 30 deforms upon, shape
Variable is also much smaller than the use level of stopper protrusion 31 and limiting slot 11a, and therefore, reliability is promoted.Moreover, interference fit avoids tooth
There are gap between set 30 and stator tooth 11, winding 50 in motor operation course is avoided to be vibrated in stator tooth 11.
The both sides face thickness of tooth set 30 is thin as possible in processing range planted agent, and preferably 0.3mm to 0.5mm, both ends face thickness can
It is thicker, take 1.5mm to 3mm.
When tooth set 30 is when by the external force for being directed toward 11 root of stator tooth, tooth set 30 can be nested on stator tooth 11, be continued
Apply external force, tooth set 30 continues to move along, when tooth covers limiting slot of the limit protrusion 31 with 11 both sides of stator tooth of 30 inner wall
When 11a agrees with, tooth set 30 is installed in place.
Again as shown in Figure 3 and Figure 4, it winds 50 in order to prevent to slide out of tooth socket 12, tooth set 30 is located at stretching for stator tooth 11
The part of the outlet both sides parallel with the axial direction of stator 10 are both provided with the winding blocking portion 33 stretched out to the outside of tooth set 30.And
And two winding blocking portions 33 for being belonging respectively to different tooth sets 30 in the same tooth socket 12 cooperate to block tooth
Slot 12.
Tooth set 30 has winding blocking portion 33 so that the close closing of the notch of tooth socket 12.Winding 50 will not be skidded off out of slot,
Safety is good.Tooth set 30 have winding blocking portion 33, the winding blocking portion 33 through entire tooth cover 30, winding blocking portion 33 it is big
Small to be designed according to width of rebate, to ensure that slot inner wire does not skid off in slot, width design value maximum can be according to
Following principle：After adjacent tooth set 30 is mounted on stator tooth 11, notch is closed substantially.
The one or both sides that the part for the root that tooth set 30 is located at stator tooth 11 is parallel with the axial direction of stator 10 are provided with edge
The insulating layer positioning region 35 that the circumferencial direction of stator stretches out, is clamped with insulation between insulating layer positioning region 35 and the bottom wall of tooth socket 12
Layer 40.Insulating layer 40 can be clamped between insulating layer positioning region 35 and the groove bottom wall of tooth socket 12.
When 33 size of winding blocking portion of tooth set 30 is smaller, or does not use, then insulating layer positioning region 35 can be designed,
The insulating layer positioning region 35 of adjacent teeth set 30 can splice completely, to reduce the process for individually wiping insulating layer (slot insulation) 40.
Due to 30 structure of the design containing insulating layer positioning region 35 of tooth set, after adjacent tooth set 30 installs, adjacent teeth set 30
Insulating layer positioning region 35 can be with 40 complete joining of insulating layer, the process that eliminate inserting insulating layer (slot insulation) 40.
It should be noted that the slot bottom width of tooth socket 12 is typically larger than width of rebate, therefore, stop when needing design winding
When 33 protector inner wire of portion, to avoid interference with, the structure size of insulating layer positioning region 35 can be limited, size should around
In the projection of group blocking portion 33, to ensure to interfere in assembling process.
It, can be in the external part and tooth socket 12 of insulating layer positioning region 35 for convenience of insulating layer (such as polyester film) 40 is placed
Insulating layer resigning breach 35a is arranged in the opposite side of bottom wall, and insulating layer 40 is inserted into insulating layer resigning breach 35a.
As shown in Figure 3 and Figure 7, it is interfered between each conducting wire external part of winding 50 in order to prevent, the one of tooth set 30
End was provided with line portion 37, crosses in line portion 37 and is provided with crossed beam trunking 37a, and the external part of winding 50 passes through crossed beam trunking 37a.
The quantity of crossed beam trunking 37a is multiple on each tooth set 30, and groove depth differs, and can make the lead of different phase windings
It is in different planes, avoids intersecting.
The root of crossed beam trunking 37a forms card line the tooth 37b, card line tooth 37b of the inside protrusion of oriented crossed beam trunking 37a and crosses line
Winding location hole is formed between the slot bottom of slot 37a.
When the assembly is complete, the conductor of the formation winding 50 on each tooth set 30 was pressed into the crossed beam trunking 37a in line portion 37,
And ensure that conducting wire pushed position is in card line tooth 37b hereinafter, the barb structure of card line tooth 37b can prevent from removing in wiring, process
Lead skids off during fortune.Line plate can be crossed for plate by crossing line portion 37, which is 1.5mm to 2.5mm.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of motor, which is characterized in that including：
There is stator (10) stator tooth (11), the side wall of the stator tooth (11) to be provided with limiting slot (11a), the limiting slot
(11a) is acute angle groove, and the external part of the stator tooth (11) is directed toward on the top of the acute angle groove；
Tooth set (30), is set in the periphery of the stator tooth (11), and the inner wall of the tooth set (30) is provided with and the limiting slot
The stopper protrusion (31) that (11a) is engaged by clamping；
Winding (50) is wrapped in the periphery of the tooth set (30).
2. motor according to claim 1, which is characterized in that the depth (Bc) of the limiting slot (11a) and the stator
The ratio between width (Bs) of tooth (11) is 0.125 to 0.2.
3. motor according to claim 1, which is characterized in that the stretching close to the stator tooth (11) of the acute angle groove
The first angle (A1) of first cell wall (11b) at end and the side wall of the stator tooth (11) is in 90 ° to 135 °；The acute angle groove
The second angle (A2) of the second cell wall (11c) of external part far from the stator tooth (11) and the side wall of the stator tooth (11)
In 135 ° to 150 °.
4. motor according to claim 1, which is characterized in that the tooth set (30) is located at the stretching of the stator tooth (11)
The part at the end both sides parallel with the axial direction of the stator (10) are both provided with the winding stretched out to the outside of the tooth set (30)
Blocking portion (33).
5. motor according to claim 4, which is characterized in that being belonging respectively in the same tooth socket (12) is different
Two winding blocking portions (33) of the tooth set (30) cooperate will be located at the winding in the tooth socket (12)
(50) it blocks in the tooth socket (12).
6. motor according to claim 1, which is characterized in that the tooth set (30) is located at the root of the stator tooth (11)
Part one or both sides parallel with the axial direction of the stator (10) be provided with the exhausted of the circumferencial direction stretching along the stator
Edge layer positioning region (35) is clamped with insulating layer (40) between the insulating layer positioning region (35) and the bottom wall of tooth socket (12).
7. motor according to claim 6, which is characterized in that the external part of the insulating layer positioning region (35) and the tooth
The side that the bottom wall of slot (12) is opposite is provided with insulating layer resigning breach (35a).
8. motor according to claim 1, which is characterized in that one end of the tooth set (30) was provided with line portion (37),
Described cross on line portion (37) is provided with crossed beam trunking (37a), and the external part of the winding (50) passes through the crossed beam trunking (37a).
9. motor according to claim 8, which is characterized in that the quantity of the crossed beam trunking (37a) be it is multiple, it is each described
The depth of crossed beam trunking (37a) is different.
10. motor according to claim 8 or claim 9, which is characterized in that the root of the crossed beam trunking (37a) forms oriented institute
State the card line tooth (37b) of the inside protrusion of crossed beam trunking (37a), the slot bottom of the card line tooth (37b) and the crossed beam trunking (37a) it
Between formed winding location hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810173717.4A CN108667165A (en) | 2018-03-02 | 2018-03-02 | Motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810173717.4A CN108667165A (en) | 2018-03-02 | 2018-03-02 | Motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108667165A true CN108667165A (en) | 2018-10-16 |
Family
ID=63784985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810173717.4A Pending CN108667165A (en) | 2018-03-02 | 2018-03-02 | Motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108667165A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203504316U (en) * | 2013-10-22 | 2014-03-26 | 珠海格力节能环保制冷技术研究中心有限公司 | Motor |
| CN204408035U (en) * | 2015-01-21 | 2015-06-17 | 中山大洋电机股份有限公司 | The plastic packaging stator of a kind of stator punching and application thereof and external rotor electric machine |
-
2018
- 2018-03-02 CN CN201810173717.4A patent/CN108667165A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203504316U (en) * | 2013-10-22 | 2014-03-26 | 珠海格力节能环保制冷技术研究中心有限公司 | Motor |
| CN204408035U (en) * | 2015-01-21 | 2015-06-17 | 中山大洋电机股份有限公司 | The plastic packaging stator of a kind of stator punching and application thereof and external rotor electric machine |
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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 | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20181016 |