CN206595874U - The stator of brushless electric machine and the motor with it - Google Patents
The stator of brushless electric machine and the motor with it Download PDFInfo
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- CN206595874U CN206595874U CN201720340264.0U CN201720340264U CN206595874U CN 206595874 U CN206595874 U CN 206595874U CN 201720340264 U CN201720340264 U CN 201720340264U CN 206595874 U CN206595874 U CN 206595874U
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- yoke portion
- electric machine
- brushless electric
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Abstract
The utility model discloses a kind of stator of brushless electric machine and the motor with it, the stator of the brushless electric machine includes：Including：Stator core, the stator core includes yoke portion and multiple teeth portion, in a ring, the teeth portion radially extending and extending on the inside of the yoke portion along the yoke portion, and circumferentially-spaced arrangement of multiple teeth portion along the yoke portion goes out multiple grooves with the clear width in the yoke portion in the yoke portion；Stator winding, the stator winding is wrapped in the yoke portion.According to the stator of brushless electric machine of the present utility model, stator winding is wrapped in yoke portion, for the monophase machine of conventional teeth coiling, and its magnetic circuit is short, and iron loss is low.
Description
Technical field
The utility model is related to technical field of motors, the stator of more particularly to a kind of brushless electric machine and the electricity with it
Machine.
Background technology
In correlation technique, the stator core of motor is mostly the structure of integral type, so that carried out in stator yoke
Can be very inconvenient during coiling, it is time-consuming and efficiency is low；In addition, the motor in correlation technique is in teeth portion coiling, magnetic circuit is long, and iron loss is high,
The demand of user can not be met well.
Utility model content
The utility model is intended at least solve one of technical problem in correlation technique to a certain extent.Therefore, this reality
It is to propose a kind of stator of brushless electric machine with a new purpose, the stator magnet of the brushless electric machine is short out, and iron loss is low.
Another purpose of the present utility model is to propose a kind of motor, the motor determining provided with above-mentioned brushless electric machine
Son.
According to the stator of the brushless electric machine of the utility model first aspect embodiment, including：Stator core, the stator iron
Core includes yoke portion and multiple teeth portion, and in a ring, the teeth portion radially extending and extending to described along the yoke portion in the yoke portion
On the inside of yoke portion, and circumferentially-spaced arrangement of multiple teeth portion along the yoke portion gone out with the clear width in the yoke portion it is multiple
Groove；Stator winding, the stator winding is wrapped in the yoke portion.
According to the stator of the brushless electric machine of the utility model embodiment, stator winding is wrapped in yoke portion, compared to tradition
For the monophase machine of teeth portion coiling, its magnetic circuit is short, and iron loss is low.
In addition, also having technology additional as follows special according to the stator of the brushless electric machine of the utility model above-described embodiment
Levy：
According to some embodiments of the present utility model, the stator core includes four teeth portion, four teeth portion and the yoke
Portion's engagement formation go out relative in four grooves, four grooves two be respectively arranged with it is relative in the stator winding, and four grooves
The stator winding is not provided with two other.
According to some embodiments of the present utility model, the stator core is divided into two halves, the stator iron in yoke portion
Be formed with one in the surface that the two halves of core mutually splice depression and be formed with another be placed in it is convex in the depression
Rise.
Further, the raised head is more than the raised neck, and the depression wraps the raised head
Enclose and extend encirclement and arrive the raised neck.
In some embodiments of the present utility model, use is provided with the surface that the two halves of the stator core mutually splice
In the glue that two semi-stator iron cores bond together.
In some embodiments of the present utility model, close to yoke between the surface that the two halves of the stator core mutually splice
The soldered for welding is provided with the outside of portion.
In some embodiments of the present utility model, the teeth portion of the stator core uneven distribution in the circumference in yoke portion, and
The area for being provided with the groove of stator winding is more than the area for the groove for being not provided with stator winding.
In some embodiments of the present utility model, the width of rebate for being provided with the groove of stator winding is fixed more than being not provided with
The width of rebate of the groove of sub- winding.
According to the motor of the utility model second aspect embodiment, including：Shell；Stator, the stator is located at described outer
In shell, the outer peripheral face of the stator is supported provided with stator, and the stator is supported on the inner surface of the shell, described
Stator be brushless electric machine described above stator, and the stator yoke portion, stator support and the shell surround it is multiple
Along the air channel of the direction extension of the axis parallel to the stator；Rotor, the rotor is rotatably provided on the inside of the stator.
Further, the rotor uses four-pole permanent magnet magnet ring structure, and the magnet outer wrap glass tape of the rotor
Or it is provided with stainless steel sleeve.
Alternatively, protective case is provided with outside the magnet of rotor, protective case is glass tape, stainless steel sleeve, carbon fiber set
Or copper ring；Or protective layer formed using plastic mode outside the magnet of rotor.
Additional aspect and advantage of the present utility model will be set forth in part in the description, partly by from following description
In become obvious, or by it is of the present utility model practice recognize.
Brief description of the drawings
Of the present utility model above-mentioned and/or additional aspect and advantage will from description of the accompanying drawings below to embodiment is combined
Become substantially and be readily appreciated that, wherein：
Fig. 1 is the structural representation of the stator of the brushless electric machine according to the utility model one embodiment；
Fig. 2 is the partial enlarged drawing that Fig. 1 centre circles show part；
Fig. 3 is the structural representation of the stator of the brushless electric machine according to the utility model another embodiment；
Fig. 4 is the partial enlarged drawing that Fig. 3 centre circles show part；
Fig. 5 is a structural representation of the motor according to the utility model embodiment；
Fig. 6 is the projection view according to the motor of the utility model embodiment in the other directions in Fig. 5.
Reference：
The stator 100 of brushless electric machine,
Stator core 1, yoke portion 11, teeth portion 12, groove 13, depression 14, projection 15, head 151, neck 152, stator support
16,
Stator winding 2, insulating part 21,
Motor 200, shell 210, air channel 220, rotor 230.
Embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element or element with same or like function are represented to same or similar label eventually.Below by ginseng
The embodiment for examining accompanying drawing description is exemplary, it is intended to for explaining the utility model, and it is not intended that to the utility model
Limitation.
The utility model discloses iron core segmentation and the connected mode of a kind of motor, exists applied to service work rotating speed
The household appliances of 20000rpm and above rotating speed, medical class, on electric power class product, such as blower fan, dust catcher, electric drill, centrifuge, hair
Motor etc..
The stator 100 of the brushless electric machine according to the utility model embodiment is described in detail with reference to Fig. 1 to Fig. 6.
According to the stator 100 of the brushless electric machine of the utility model first aspect embodiment, including：Stator core 1 and stator
Winding 2.
Specifically, stator core 1 includes yoke portion 11 and multiple teeth portion 12, and in a ring, teeth portion 12 is along yoke portion 11 in yoke portion 11
Radially extend, and teeth portion 12 extends to the inner side of yoke portion 11 (side of neighbouring yoke portion 11 center line in reference picture 1), Er Qieduo
Circumferentially-spaced arrangement of the individual teeth portion 12 along yoke portion 11 goes out multiple grooves 13 with the clear width in yoke portion 11；Stator winding 2 is wrapped in
In yoke portion 11.Wherein, teeth portion 12 can be four, six etc., and the number of groove 13 is corresponding with teeth portion 12.So can be by stator
100 are fabricated to different structure types, are easy to the range of choice extended one's service, and compared to the single-phase electricity of conventional teeth coiling
Its magnetic circuit of machine is short, and iron loss is low.
According to the stator 100 of the brushless electric machine of the utility model embodiment, stator winding 2 is wrapped in yoke portion 11, compared
For the monophase machine of conventional teeth coiling, its magnetic circuit is short, and iron loss is low.
Reference picture 1 and Fig. 3, according to some specific embodiments of the present utility model, stator core 1 includes four teeth portion 12,
Four teeth portion 12 and the engagement formation of yoke portion 11 go out two grooves 13 relative in four grooves 13, four grooves 13 be respectively arranged with stator around
In group 2, and four grooves 13 stator winding 2 is not provided with two other relative groove 13.That is, four grooves 13 can be
It is divided into two groups, two groups of grooves having on direction diametrically and stator winding 2, another group can be provided with one group of corresponding yoke portion 11
Stator winding 2 is not provided with corresponding yoke portion 11.
Wherein, insulating part 21 can be provided with one group of yoke portion 11 provided with stator winding 2, so can be by stator winding 2
With the insulation between insulating part 21, the performance of stator 100 is improved.
When stator 100 is applied on motor, being formed has 4 within a kind of four grooves permanent magnetic brushless, stator yoke 11
Individual groove 13, stator winding is around in two relative yoke portions 11, and the half of coiling is located in the groove 13 in yoke portion 11, another subluxation
In outside yoke portion 11.Compared to the monophase machine of conventional teeth coiling, its magnetic circuit is short, and iron loss is low, and both sides have two grooves 13 not around
Line.
With reference to Fig. 1 and Fig. 3, according to some specific embodiments of the present utility model, stator core 1 is divided into yoke portion 11
Depression 14, and two half-phases of stator core 1 are formed with one in two halves, the surface that the two halves of stator core 1 mutually splice
Projection 15 is formed with another in the surface mutually spliced, projection 15 is placed in depression 14.Stator core 1 is divided in yoke portion 11
Two halves are divided into, as shown in figure 1, segmentation two halves can facilitate coiling.Stator core 1 is divided into two halves, divisional plane in yoke portion 11
Depression 14 and projection 15 are provided with, projection 15 is placed in depression 14, and stator core 1 passes through depression 14 and raised 15 mutual cooperation group
It is fitted together.Half combination of one kind point, it is fairly simple.
Further, reference picture 2, the head 151 of projection 15 is more than the neck 152 of projection 15, and depression 14 is by projection 15
Head 151 surrounds and extended the neck 152 surrounded to projection 15.Stator core 1 is divided into two halves, divisional plane position in yoke portion 11
The projection 15 put is with being recessed 14 by the way of buckle, wherein the part snapped connection is respectively arranged with depression 14 and projection 15,
In projection 15, the head 151 of projection 15 is greater than the neck 152 of projection 15, and depression 14 surrounds the head 151 of projection 15,
And extend the neck surrounded to projection 15, a firm buckle structure is formed, two parts of segmentation is filled by axial direction
After matching somebody with somebody, circumferential direction can not be separated.Half combination of one kind point, it is fairly simple.
With reference to Fig. 1 to Fig. 4, in some specific embodiments of the present utility model, what the two halves of stator core 1 mutually spliced
The glue for two semi-stator iron cores 1 to be bonded together is provided with surface.Stator core 1 is set on the divisional plane of yoke portion 11
There is glue, will cooperate to the bonding and reinforcement of two semi-stator iron core 1 together, half combination of one kind point, it is fairly simple and can
Ensure the reliability of connection.
Referring to figs. 1 to Fig. 4, in some specific embodiments of the present utility model, what the two halves of stator core 1 mutually spliced
(side away from the center line of yoke portion 11) is provided with the soldered for welding on the outside of yoke portion 11 between surface.Stator core
1 is provided with soldered on the divisional plane of yoke portion 11 close to the outside of yoke portion 11, is welded cooperating to two semi-stator iron cores 1 together
Reinforcing is connect, the use reliability of stator with fixed stator iron core 1, can be so improved.
Reference picture 1 and Fig. 3, in some specific embodiments of the present utility model, the teeth portion 12 of stator core 1 is in yoke portion 11
Circumference on uneven distribution.For example, the teeth portion 12 of stator core 1 is distributed in the circumference in yoke portion 11, and teeth portion 12 is in yoke
The circumference in portion 11 can be in uneven distribution.And be provided with stator winding 2 groove 13 area be more than be not provided with stator winding 2
Groove 13 area.Groove area is of different sizes, area of the area than the groove 13 without coiling for having the groove 13 of coiling (stator winding 2)
Greatly, facilitate coiling, improve the ability of coiling, improve copper factor.
Reference picture 1 and Fig. 3, in some specific embodiments of the present utility model, are provided with the groove of the groove 13 of stator winding 2
Mouth width is more than the width of rebate for the groove 13 for being not provided with stator winding 2.The width of rebate of stator teeth 12 is different, without coiling
The notch of groove 13 is less than the width of rebate for the groove 13 for having coiling, facilitates coiling.
With reference to Fig. 5 and Fig. 6, according to the motor 200 of the utility model second aspect embodiment, the rotating speed of motor 200 can be with
In more than 20000rpm.Motor 200 includes：Shell 210, stator and rotor 230.The stator is located in shell 210, described
The outer peripheral face of stator is supported on the inner surface of shell 210 provided with stator support 16, stator support 16, and the stator is above-mentioned
Brushless electric machine stator 100, and yoke portion 11, stator support 16 and the shell 210 of stator 100 surround multiple edges parallel to fixed
The air channel 220 of the direction extension of the axis of son 100.Rotor 230 is rotatably provided in the inner side of stator 100.Thus, by motor
The stator 100 of the brushless electric machine of above-mentioned first aspect embodiment is set on 200, facilitates coiling and the use of motor 200 can be improved
Performance.
Further, rotor 230 uses and is provided with protective case outside four-pole permanent magnet magnet ring structure, and the magnet of rotor 230,
Protective case can be glass tape, stainless steel sleeve, carbon fiber set or copper ring etc..Magnet ring assembling is easier, and Mass Distribution is more
Plus it is uniform；Protective case is set outside rotor magnet, the intensity of rotor 230 can be strengthened.
The utility model not limited to this, using plastic mode can also form protective layer outside the magnet of rotor 230.
When stator 100 is applied on motor, motor 200 is within the groove permanent magnetic brushless of quadrupole four, stator yoke 11
With 4 grooves 13, stator winding is around in two relative yoke portions 11, and the half of coiling is located in the groove 13 in yoke portion 11, separately
Half is located at outside yoke portion 11, and stator yoke 11, stator support 16 surround the space of multiple closings with the three of shell 210, form wind
Road 220, rotor 230 is using 4 pole rotors (2 pairs of pole).
According to the motor 200 of the utility model embodiment, a kind of quadrupole four groove yoke portions coiling electric motor stator segmentation is disclosed
With the scheme of connection, it is provided with air channel 220 between yoke portion 11 and casing 210, available for high-speed fan or centrifuge etc. at a high speed
In slewing.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or the feature that the embodiment or example are described
It is contained at least one embodiment of the present utility model or example.In this manual, to the schematic representation of above-mentioned term
Necessarily it is directed to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be
Combined in an appropriate manner in any one or more embodiments or example.In addition, in the case of not conflicting, this area
Technical staff can be carried out the feature of the not be the same as Example described in this specification or example and non-be the same as Example or example
With reference to and combination.
Although embodiment of the present utility model has been shown and described above, it is to be understood that above-described embodiment is
Exemplary, it is impossible to it is interpreted as to limitation of the present utility model, one of ordinary skill in the art is in scope of the present utility model
It is interior above-described embodiment to be changed, changed, replaced and modification.
Claims (11)
1. a kind of stator of brushless electric machine, it is characterised in that including：
Stator core, the stator core includes yoke portion and multiple teeth portion, and in a ring, the teeth portion is along the yoke portion in the yoke portion
Radially extend and extend on the inside of the yoke portion, and circumferentially-spaced arrangement of multiple teeth portion along the yoke portion is with described
The clear width in yoke portion goes out multiple grooves；
Stator winding, the stator winding is wrapped in the yoke portion.
2. the stator of brushless electric machine according to claim 1, it is characterised in that the stator core includes four teeth portion,
Four teeth portion go out relative in four grooves, four grooves two with yoke portion engagement formation and are respectively arranged with the stator winding,
And it is not provided with the stator winding on relative two other in four grooves.
3. the stator of brushless electric machine according to claim 1 or 2, it is characterised in that the stator core is divided in yoke portion
Be segmented into two halves, be formed with one in the surface that the two halves of the stator core mutually splice depression and another on be formed with
The projection being placed in the depression.
4. the stator of brushless electric machine according to claim 3, it is characterised in that the raised head is more than the projection
Neck, the depression by the raised head surround and extend encirclement arrive the raised neck.
5. the stator of brushless electric machine according to claim 3, it is characterised in that the two halves of the stator core mutually splice
Surface on be provided with glue for two semi-stator iron cores to be bonded together.
6. the stator of brushless electric machine according to claim 3, it is characterised in that the two halves of the stator core mutually splice
Surface between soldered for welding is provided with the outside of the yoke portion.
7. the stator of brushless electric machine according to claim 2, it is characterised in that circumference of the teeth portion of stator core in yoke portion
Upper uneven distribution, and it is provided with the area that the area of the groove of stator winding is more than the groove for being not provided with stator winding.
8. the stator of brushless electric machine according to claim 2, it is characterised in that be provided with the slot opening of the groove of stator winding
Degree is more than the width of rebate for the groove for being not provided with stator winding.
9. a kind of motor, it is characterised in that including：
Shell；
Stator, the stator is located in the shell, and the outer peripheral face of the stator is supported provided with stator, the stator support branch
Support is on the inner surface of the shell, and the stator is the stator of the brushless electric machine according to any one of claim 1-8,
And yoke portion, stator support and the shell of the stator surround multiple edges and extended parallel to the direction of the axis of the stator
Air channel；
Rotor, the rotor is rotatably provided on the inside of the stator.
10. motor according to claim 9, it is characterised in that the rotor uses four-pole permanent magnet magnet ring structure.
11. motor according to claim 9, it is characterised in that
Protective case is provided with outside the magnet of rotor, protective case is glass tape, stainless steel sleeve, carbon fiber set or copper ring；
Or protective layer formed using plastic mode outside the magnet of rotor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720340264.0U CN206595874U (en) | 2017-03-31 | 2017-03-31 | The stator of brushless electric machine and the motor with it |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720340264.0U CN206595874U (en) | 2017-03-31 | 2017-03-31 | The stator of brushless electric machine and the motor with it |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206595874U true CN206595874U (en) | 2017-10-27 |
Family
ID=60122940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720340264.0U Active CN206595874U (en) | 2017-03-31 | 2017-03-31 | The stator of brushless electric machine and the motor with it |
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| Country | Link |
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| CN (1) | CN206595874U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108631460A (en) * | 2018-06-28 | 2018-10-09 | 广东威灵电机制造有限公司 | Stator punching, field frame assembly and motor |
| CN109802542A (en) * | 2019-01-08 | 2019-05-24 | 南京一体科技有限公司 | A kind of outer rotor desk permanent-magnet switched reluctance motor |
| CN114337037A (en) * | 2021-12-31 | 2022-04-12 | 华中科技大学 | Modular annular winding motor and stator assembly method thereof |
-
2017
- 2017-03-31 CN CN201720340264.0U patent/CN206595874U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108631460A (en) * | 2018-06-28 | 2018-10-09 | 广东威灵电机制造有限公司 | Stator punching, field frame assembly and motor |
| CN109802542A (en) * | 2019-01-08 | 2019-05-24 | 南京一体科技有限公司 | A kind of outer rotor desk permanent-magnet switched reluctance motor |
| CN114337037A (en) * | 2021-12-31 | 2022-04-12 | 华中科技大学 | Modular annular winding motor and stator assembly method thereof |
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