CN208015466U - Rotor structure and motor with same - Google Patents
Rotor structure and motor with same Download PDFInfo
- Publication number
- CN208015466U CN208015466U CN201820338486.3U CN201820338486U CN208015466U CN 208015466 U CN208015466 U CN 208015466U CN 201820338486 U CN201820338486 U CN 201820338486U CN 208015466 U CN208015466 U CN 208015466U
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- Prior art keywords
- rotor
- convex stupefied
- rotor structure
- permanent magnet
- rotor discs
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- 230000007704 transition Effects 0.000 claims description 3
- 229920006395 saturated elastomer Polymers 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 8
- 238000010276 construction Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000002537 cosmetic Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The utility model provides a rotor structure and have its motor. The rotor structure comprises a magnetic ring; the rotor disc, the magnetic ring is connected with the rotor disc, and the surface of the rotor disc is provided with protruding arris, and protruding arris outwards extends along the radial direction of the rotor disc, and protruding arris is used for increasing the width of the magnetic circuit in the thickness direction of the magnetic ring. The convex edge is arranged on the rotor disc, so that the width of a magnetic circuit formed by the magnetic ring on the rotor disc can be effectively increased. The magnetic ring is arranged in such a way that the magnetic circuit is prevented from being easily saturated, the reliability of the rotor structure is effectively improved, and the performance of the motor with the rotor structure is improved.
Description
Technical field
The utility model is related to motor device technical fields, in particular to a kind of rotor structure and with its electricity
Machine.
Background technology
In the prior art, the p-m rotor iron core of conventional axial magnetic field electric motor is typically disc-shaped structure, in order to save material
Material, the thickness on chassis are often designed than relatively thin, and magnetic circuit can be narrow, it is easy to magnetic saturation occurs, cause motor performance poor
The problem of as shown in Figure 1,11 ' being permanent magnet, 20 ' being rotor discs, S is the poles S of permanent magnet, and N is the poles N of permanent magnet.
Utility model content
The main purpose of the utility model is to provide a kind of rotor structure and with its motor, to solve the prior art
The problem of middle motor performance difference.
To achieve the goals above, one side according to the present utility model provides a kind of rotor structure, including：Magnetic
Ring；Rotor discs, magnet ring are connected with rotor discs, be provided on the surface of rotor discs it is convex stupefied, it is convex stupefied along rotor discs
Radial direction extends outwardly, the convex stupefied width for increasing the magnetic circuit of the thickness direction of magnet ring.
Further, magnet ring includes multiple permanent magnets, and multiple permanent magnets are sequentially connected to be turned with forming loop configuration and being located at
The side of sub- disk, the poles S of a permanent magnet in two adjacent permanent magnets are connected with the poles N of another permanent magnet.
Further, it is convex it is stupefied be multiple, multiple convex stupefied junctions for being located at two adjacent permanent magnets, it is convex stupefied along permanent magnetism
The junction of body is extended.
Further, convex stupefied cross section is triangular in shape, rectangular, semicircle.
Further, the convex stupefied junction with rotor discs is in cambered surface transition.
Further, the junction of the close rotor discs side of two adjacent permanent magnets is provided with receiving recess portion, convex stupefied
It is set on the surface of the close permanent magnet side of rotor discs and in receiving recess portion.
Further, on the surface of the convex stupefied separate permanent magnet for being set to rotor discs.
Further, it is provided with axis hole in the middle part of rotor discs.
Further, multiple heat emission holes are additionally provided on rotor discs, multiple heat emission holes are set along the circumferentially-spaced of axis hole
It sets.
Another aspect according to the present utility model, provides a kind of motor, including rotor structure, and rotor structure is above-mentioned
Rotor structure.
Using the technical solution of the utility model, be arranged on rotor discs it is convex stupefied, can effectively increase magnet ring turn
The width of the magnetic circuit formed on sub- disk.The case where setting can avoid magnet ring ability magnetic circuit from being easy to happen saturation in this way, effectively
The reliability of the rotor structure is improved, the performance of the motor with the rotor structure is then improved.
Description of the drawings
The accompanying drawings which form a part of this application are used to provide a further understanding of the present invention, this practicality
Novel illustrative embodiments and their description are not constituted improper limits to the present invention for explaining the utility model.
In the accompanying drawings：
Fig. 1 shows the magnetic structure schematic diagram of rotor structure in the prior art；
Fig. 2 shows the structural schematic diagrams of the first embodiment of rotor discs according to the present utility model；
Fig. 3 shows the structural schematic diagram of the second embodiment of rotor discs according to the present utility model；
Fig. 4 show A-A in Fig. 3 to schematic cross-sectional view；
Fig. 5 shows the assembling structure schematic diagram of rotor discs and magnet ring according to the present utility model；
Fig. 6 shows the structural schematic diagram of the convex stupefied first embodiment of rotor structure according to the present utility model；
Fig. 7 shows the structural schematic diagram of the convex stupefied second embodiment of rotor structure according to the present utility model；
Fig. 8 shows the structural schematic diagram of the convex stupefied 3rd embodiment of rotor structure according to the present utility model；
Fig. 9 shows the structural schematic diagram of the convex stupefied fourth embodiment of rotor structure according to the present utility model.
Wherein, above-mentioned attached drawing includes the following drawings label：
10, magnet ring；11, permanent magnet；
20, rotor discs；21, convex stupefied；22, axis hole；23, heat emission hole；
30, recess portion is accommodated.
Specific implementation mode
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
It should be noted that term used herein above is merely to describe specific implementation mode, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or combination thereof.
It should be noted that term " first ", " second " etc. in the description and claims of this application and attached drawing
It is for distinguishing similar object, without being used to describe specific sequence or precedence.It should be appreciated that the art used in this way
Language can be interchanged in the appropriate case, so that presently filed embodiment described herein for example can be in addition to illustrating herein
Or the sequence other than those of description is implemented.In addition, term " comprising " and " having " and their any deformation, it is intended that
Cover it is non-exclusive include, for example, containing the process of series of steps or unit, method, system, product or equipment need not limit
In those of clearly listing step or unit, but may include not listing clearly or for these processes, method, production
The intrinsic other steps of product or equipment or unit.
For ease of description, herein can with use space relative terms, as " ... on ", " in ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure
Except different direction in use or operation.For example, if the device in attached drawing is squeezed, it is described as " in other devices
It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " may include " ... top " and
" in ... lower section " two kinds of orientation.The device can also other different modes positioning (be rotated by 90 ° or be in other orientation), and
And respective explanations are made to the opposite description in space used herein above.
Now, the illustrative embodiments according to the application are more fully described with reference to the accompanying drawings.However, these are exemplary
Embodiment can be implemented by many different forms, and should not be construed to be limited solely to embodiment party set forth herein
Formula.It should be understood that thesing embodiments are provided so that disclosure herein is thoroughly and complete, and these are shown
The design of example property embodiment is fully conveyed to those of ordinary skill in the art, in the accompanying drawings, for the sake of clarity, it is possible to expand
The big thickness of layer and region, and make that identical device is presented with like reference characters, thus omission retouches them
It states.
In conjunction with shown in Fig. 2 to Fig. 9, embodiment according to the present utility model provides a kind of rotor structure.
Specifically, as shown in Figures 1 to 6, which includes magnet ring 10, rotor discs 20.Magnet ring 10 is justified with rotor
Disk 20 is connected, and convex stupefied 21 are provided on the surface of rotor discs 20.Convex stupefied 21 along rotor discs 20 radial direction to extension
It stretches, the width of the magnetic circuit of convex stupefied 21 thickness direction for increasing magnet ring 10.
In the present embodiment, it is arranged on rotor discs convex stupefied, can effectively increases magnet ring and be formed on rotor discs
Magnetic circuit width.The case where setting can avoid magnet ring ability magnetic circuit from being easy to happen saturation in this way, is effectively improved the rotor
Reliability of structure then improves the performance of the motor with the rotor structure.
Magnet ring 10 includes multiple permanent magnets 11.Multiple permanent magnets 11 are sequentially connected to form loop configuration and justify positioned at rotor
The side of disk 20, the poles S of a permanent magnet 11 in two adjacent permanent magnets 11 are connected with the poles N of another permanent magnet 11.
Setting can effectively improve the performance of the rotor structure in this way.
Wherein, convex stupefied 21 be multiple, and multiple convex stupefied 21 are located at the junction of two adjacent permanent magnets 11, convex stupefied 21 edge
The junction of permanent magnet 11 is extended.Setting can effectively increase the magnetic circuit of 11 junction of two adjacent permanent magnets in this way
Width.
Preferably, as shown in Figures 6 to 9, convex stupefied 21 cross section is triangular in shape, rectangular, semicircle.Setting can in this way
Play the role of increasing the width of the magnetic circuit between adjacent permanent magnet.
In order to further improve the performance of rotor structure, convex stupefied 21 can be arranged to the junctions of rotor discs 20
Cambered surface transition.
As shown in figure 9, the junction of 20 side of close rotor discs of two adjacent permanent magnets 11 is provided with receiving recess portion
30, convex stupefied 21 are set on the surface of 11 side of close permanent magnet of rotor discs 20 and in receiving recess portion 30.It sets in this way
Set the width that can further play and increase the magnetic circuit between permanent magnet.Certainly, convex stupefied 21 rotor discs can also be set to
On the surface of 20 separate permanent magnet 11.
Further, the middle part of rotor discs 20 is provided with axis hole 22.Multiple heat emission holes are additionally provided on rotor discs 20
23, multiple heat emission holes 23 are arranged circumferentially spaced along axis hole 22.Setting can effectively improve rotor structure performance in this way.
Rotor structure in above-described embodiment can be also used for motor device technical field, i.e., according to the present utility model another
On the one hand, a kind of motor is provided.The motor includes rotor structure, and rotor structure is the rotor structure in above-described embodiment.
Specifically, in the present embodiment, the rotor discs structure of use can widen magnetic circuit, promote the performance of motor,
The magnetic circuit of rotor core can be widened, magnetic energy is enhanced, the performance and efficiency for being conducive to motor improve, and can save circle
Disk metal material makes the utilization rate of material reach highest, it is convex it is stupefied be divided into two kinds of structures of convex and evagination, interior male structure can make permanent magnetism
Body has good positioning, outer male structure that the cosmetic look of rotor discs can be improved.It is convex stupefied there are many structure, have according to shape point
Arc-shaped, rectangle, triangle.
Using spirogyrate convex stupefied structure when, the air of convection current can be formed in motor cavity, make the heat of winding and iron core
It measures in Quick diffusing to external environment, has significant effect to the reduction of motor temperature rise.
By it is convex it is stupefied be set to two magnetic poles between, be conducive to magnetic conduction.The problem of for technical background, proposes a kind of axial electricity
The rotor with new structure disk (being equivalent to rotor core) of machine, it is convex stupefied which adds magnetic circuit on the basis of conventional disk
Structure.It is convex stupefied between the poles N and the permanent magnet two-by-two of the poles S, the magnetic circuit between magnetic pole can be widened.Magnet ring is assemblied in rotor discs
On, it arranges successively by the pole N, S, forms the p-m rotor of the poles n, as shown in Figure 5.
Specific processing and implementation mode is as follows：
The first step：Mold is cast out with convex stupefied rotor discs；
Second step：It by magnet ring assembly on rotor discs, arranges successively by the pole N, S, forms the permanent magnetic ring of the poles n；
Third walks：Go out according to the poles N between permanent magnet, the magnetic circuit trend that the poles S are returned, in the position shape that rotor discs pass through thickening
At the closure of the magnetic line of force, the magnetic line of force is not in saturation, can reduce the loss of magnetic energy.
Than that described above, it is also necessary to which explanation is " one embodiment " spoken of in the present specification, " another implementation
Example ", " embodiment " etc. refer to that specific features, structure or the feature of embodiment description is combined to be included in the application summary
Property description at least one embodiment in.It is not centainly to refer to the same reality that statement of the same race, which occur, in multiple places in the description
Apply example.Furthermore, it is understood that when describing a specific features, structure or feature in conjunction with any embodiment, what is advocated is knot
Other embodiment is closed to realize that this feature, structure or feature are also fallen in the scope of the utility model.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, there is no the portion being described in detail in some embodiment
Point, it may refer to the associated description of other embodiment.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of rotor structure, which is characterized in that including：
Magnet ring (10)；
Rotor discs (20), the magnet ring (10) are connected with the rotor discs (20), the surface of the rotor discs (20)
On be provided with convex stupefied (21), convex stupefied (21) extend outwardly along the radial direction of the rotor discs (20), described convex stupefied
(21) it is used to increase the width of the magnetic circuit of the thickness direction of the magnet ring (10).
2. rotor structure according to claim 1, which is characterized in that the magnet ring (10) includes multiple permanent magnets (11),
Multiple permanent magnets (11) are sequentially connected to form loop configuration and be located at the side of the rotor discs (20), two neighboring
The poles S of a permanent magnet (11) in the permanent magnet (11) are connected with the poles N of permanent magnet described in another (11).
3. rotor structure according to claim 2, which is characterized in that described convex stupefied (21) be it is multiple, it is multiple described convex stupefied
(21) junction of the two neighboring permanent magnet (11), the connection of convex stupefied (21) along the permanent magnet (11) are located at
Place is extended.
4. rotor structure according to claim 2, which is characterized in that the cross section of convex stupefied (21) is triangular in shape, square
Shape, semicircle.
5. rotor structure according to claim 2, which is characterized in that convex stupefied (21) and the rotor discs (20)
Junction is in cambered surface transition.
6. rotor structure according to claim 2, which is characterized in that the two neighboring permanent magnet (11) close to described
The junction of rotor discs (20) side, which is provided with, accommodates recess portion (30), and convex stupefied (21) are set to the rotor discs (20)
It is on the surface of the permanent magnet (11) side and interior positioned at the receivings recess portion (30).
7. rotor structure according to claim 2, which is characterized in that convex stupefied (21) are set to the rotor discs
(20) on the surface far from the permanent magnet (11).
8. rotor structure according to claim 1, which is characterized in that be provided with axis hole in the middle part of the rotor discs (20)
(22)。
9. rotor structure according to claim 8, which is characterized in that be additionally provided with multiple dissipate on the rotor discs (20)
Hot hole (23), multiple heat emission holes (23) are along the arranged circumferentially spaced of the axis hole (22).
10. a kind of motor, including rotor structure, which is characterized in that the rotor structure is any one of claim 1 to 9 institute
The rotor structure stated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820338486.3U CN208015466U (en) | 2018-03-12 | 2018-03-12 | Rotor structure and motor with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820338486.3U CN208015466U (en) | 2018-03-12 | 2018-03-12 | Rotor structure and motor with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208015466U true CN208015466U (en) | 2018-10-26 |
Family
ID=63888635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820338486.3U Active CN208015466U (en) | 2018-03-12 | 2018-03-12 | Rotor structure and motor with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208015466U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108347112A (en) * | 2018-03-12 | 2018-07-31 | 珠海凯邦电机制造有限公司 | Rotor structure and motor with same |
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2018
- 2018-03-12 CN CN201820338486.3U patent/CN208015466U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108347112A (en) * | 2018-03-12 | 2018-07-31 | 珠海凯邦电机制造有限公司 | Rotor structure and motor with same |
| CN108347112B (en) * | 2018-03-12 | 2020-11-10 | 珠海凯邦电机制造有限公司 | Rotor structure and motor with same |
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