CN207124502U - Rotor core and rotor - Google Patents
Rotor core and rotor Download PDFInfo
- Publication number
- CN207124502U CN207124502U CN201721105483.7U CN201721105483U CN207124502U CN 207124502 U CN207124502 U CN 207124502U CN 201721105483 U CN201721105483 U CN 201721105483U CN 207124502 U CN207124502 U CN 207124502U
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- magnet steel
- steel groove
- rotor core
- rotor
- groove
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Abstract
The utility model discloses a kind of rotor core and rotor, rotor core is laminated being divided axially at least two sections, every section of rotor core offers the first magnet steel groove, the second magnet steel groove, the first magnet steel groove and the second magnet steel groove are included along the circumferentially spaced multiple of the rotor core, the second magnet steel groove is located at the inner side of the first magnet steel groove, and the region between the radially described second magnet steel groove and adjacent two the first magnet steel grooves of the rotor core is relative.According to the rotor core of the utility model embodiment, cost can be reduced while anti-degaussing ability is ensured.
Description
Technical field
The utility model designs energy transition equipment technical field, more particularly to a kind of rotor core and rotor.
Background technology
For the rotor of rotary compressor for refrigerant in correlation technique typically using the stronger Rb-Fe-B material of coercivity, it is anti-
Demagnetization capability is strong, but its cost is higher.
Utility model content
The utility model is intended to one of technical problem at least solving in correlation technique to a certain extent.Therefore, this reality
It is to propose a kind of rotor core that can reduce cost while anti-degaussing ability is ensured with a new purpose.
According to the rotor core of the utility model embodiment, rotor core is laminated being divided axially at least two sections, rotor iron
Every section of core offers the first magnet steel groove, the second magnet steel groove, and the first magnet steel groove and the second magnet steel groove include edge
The rotor core it is circumferentially spaced multiple, the second magnet steel groove is located at the inner side of the first magnet steel groove, and
Region between the radially described second magnet steel groove and adjacent two the first magnet steel grooves of the rotor core is relative.
According to the rotor core of the utility model embodiment, cost can be reduced while anti-degaussing ability is ensured.
In addition, according to the rotor core of the utility model above-described embodiment, there can also be technical characteristic additional as follows：
In one embodiment of the present utility model, the second magnet steel groove in the rotor core in adjacent two sections is along axle
Misplaced vertically to relative and the first magnet steel groove.
In one embodiment of the present utility model, adjacent two sections of rotor cores laminated differ a pair of poles in circumferencial direction
Angle.
In one embodiment of the present utility model, the second magnet steel groove does not connect with the first magnet steel groove；Or
The second magnet steel groove connects with the corresponding first magnet steel groove.
In one embodiment of the present utility model, the first magnet steel groove is radially extending along the rotor core
Rectangle, the second magnet steel groove are that middle part is convex to the week of the circular arc, middle part at the rotor core center along the rotor core
Circular arc to projection or the rectangle radially extended along the rotor core.
In one embodiment of the present utility model, the first adjacent magnet steel groove and adjacent in every section of the rotor core
The second magnet steel groove on by iron core portion axis plane it is symmetrical.
In one embodiment of the present utility model, the both sides circumferential along the rotor core of the first magnet steel groove are equal
Provided with slit.
In one embodiment of the present utility model, the slit of the first magnet steel groove both sides is away from the rotor core
Center direction on open.
In one embodiment of the present utility model, the outer peripheral face of the rotor core has towards the first magnet steel groove
Depression, the inner and described of the slit are recessed in the diametrically opposite of the rotor core, and the outer end of the slit and institute
Depression is stated in the radially not relative of the rotor core.
In one embodiment of the present utility model, the outer peripheral face of the rotor core is towards the first magnet steel geosynclinal concave
Fall into.
In one embodiment of the present utility model, the first magnet steel groove is identical with the quantity of the second magnet steel groove.
The utility model additionally provides a kind of rotor, including：Rotor core, the rotor core are according to foregoing rotor
Permanent-magnet material is filled with iron core, the second magnet steel groove and the second magnet steel groove.
The stronger rubidium iron boron permanent magnetism of coercivity is placed in one embodiment of the present utility model, in the first magnet steel groove
Material, the relatively low ferrite permanent-magnet materials of coercivity are placed in the second magnet steel groove.
In one embodiment of the present utility model, tangential parallel magnetization in the first magnet steel groove, second magnet steel
Tangential parallel or radial magnetizing in groove.
Brief description of the drawings
Fig. 1, Fig. 4, Fig. 6, Fig. 8 and Figure 10 are the schematic diagrames of the rotor core of the utility model difference embodiment.
Fig. 2, Fig. 5, Fig. 7 and Fig. 9 are the schematic diagrames of the rotor of the utility model difference embodiment.
Fig. 3 is the partial schematic diagram of the rotor core of the utility model one embodiment.
Reference：Rotor core 1, the first magnet steel groove 101, the second magnet steel groove 102, stage portion 103, interconnecting part 104 are narrow
Seam 105, depression 106, the first arc section 1071, the second arc section 1072, face group 107, three-arc section 1073, first straight line section
1074, second straight line section 1075, axis hole 108, through hole 109.
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 is represented to same or similar label eventually or there is the element of same or like function.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.
With reference to Fig. 1 to Fig. 9, according to the rotor core 1 of the utility model embodiment, the rotor core 1 can apply to electricity
In machine or generator, the first magnet steel groove 101, the second magnet steel groove 102, the first magnet steel groove 101 and second are offered on rotor core 1
Magnet steel groove 102 includes along the circumference (direction of surrounding rotor iron core 1) of rotor core 1 spaced apart multiple, the second magnet steel
Groove 102 is located at the inner side (close to the side of the center line of rotor core 1) of the first magnet steel groove 101, in other words, the first magnet steel groove 101
Be located at the outside (side away from rotor core 1 center line) of the second magnet steel groove 102, and rotor core 1 radial direction (along rotor
The direction of iron core radius) on region between the second magnet steel groove 102 and adjacent two the first magnet steel grooves 101 it is relative.
, can be in the first magnet steel groove 101 and the second magnet steel groove 102 according to the rotor core 1 of the utility model embodiment
Magnetize, the material cost of rotor can be substantially reduced, and the anti-degaussing ability of rotor will not be reduced.
Wherein, in the utility model, the region between adjacent two the first magnet steel grooves 101 includes the two magnet steel grooves
Region where itself.
In addition, multiple first magnet steel grooves 101 can be set to the circumferentially uniform intervals (around the direction of the rotor core 1)
Arrangement, the form being arranged symmetrically around the plane by axis (axis of rotor core 1) can also be arranged to.Similarly, it is multiple
Second magnet steel groove 102 can be configured as the circumferentially uniform intervals arrangement (around the direction of the rotor core 1), can also set
Into the form being arranged symmetrically around the plane by axis (axis of rotor core 1).
In the centrally disposed setting axis hole of rotor core 1, can also be set in the inner end positions of neighbouring second magnet steel groove 102
Through hole.
In addition, rotor core 1 of the present utility model can also have the technical scheme of following examples, these technical schemes
It can be separately provided, can also be in the case where not conflicting by one or more solution pools.
Embodiment 1
Second magnet steel groove 102 can not connect with the first magnet steel groove 101.
Embodiment 2
Such as Fig. 3, as different from Example 1, the second magnet steel groove 102 connects with least one the first adjacent magnet steel groove 101
It is logical, that is to say, that the second magnet steel groove 102 can all connect with two adjacent the first magnet steel grooves 101, can also be with adjacent two
A connection in individual magnet steel groove.Specifically, the second magnet steel groove 102 is arranged on and two adjacent footpaths of the first magnet steel groove 101
To relative position, therefore, the two first magnet steel grooves 101 are exactly the first magnet steel groove 101 adjacent with the second magnet steel groove 102.
Further, such as Fig. 3, by stage portion 103 between interconnected the first magnet steel groove 101 and the second magnet steel groove 102
Separate and connected by interconnecting part 104, and the stage portion 103 between interconnected the first magnet steel groove 101 and the second magnet steel groove 102
With interconnecting part 104 in the axial direction of rotor core 1 interlaced arrangement.That is, the first interconnected magnet steel groove 101 and second
The axially spaced connection of connectivity part of magnet steel groove 102, for example, in the axial direction, be then interconnected at interval of certain distance, and every
Then mutually separate at a certain distance.Cut-off mentioned here is with for the section of a plane of axial direction with connecting
, in the axial direction, the first magnet steel groove 101 it may be connected on a section with the second magnet steel groove 102, and in another section
There is stage portion 103 to separate between the first magnet steel groove 101 and the second magnet steel groove 102 on face.On the whole, as long as there is provided connect
Then corresponding first magnet steel groove 101 connects with the second magnet steel groove 102 in logical portion 104.
Advantageously, as Fig. 3, the second magnet steel groove 102 connect with two adjacent the first magnet steel grooves 101, and perpendicular to
The section top bar portion 103 of the axis of rotor core 1 and the interlaced arrangement of interconnecting part 104.
In addition, on the same section perpendicular to axis, multiple stage portions 103 and multiple interconnecting parts 104 all may be used
By be set to it is symmetrical in the form of (for example, symmetrical etc. on the plane by axis), stage portion vertically can also be arranged to
103 and interconnecting part 104 interlock form.
Furthermore, it is also possible to it is arranged to symmetrical per adjacent two or more planes on passing through axis.
Embodiment 3
With reference to Fig. 1 and Fig. 2, embodiment 3 includes a kind of the second magnet steel groove 102 of concrete shape, wherein, the second magnet steel groove
102 both ends are respectively adjacent to two adjacent the first magnet steel grooves 101.
Further, the both ends of the second magnet steel groove 102 respectively the part with the first adjacent magnet steel groove 101 in rotor iron
Core 1 it is diametrically opposite.
Preferably, the both ends of the second magnet steel groove 102 respectively the part with the first adjacent magnet steel groove 101 in rotor core
1 diametrically opposite simultaneously connects.
Certainly, the both ends of the second magnet steel groove 102 can also not connect with the first adjacent magnet steel groove 101, or the second magnetic
One end of steel tank 102 connects with a first magnet steel groove 101, and the other end does not connect with another magnet steel groove.
Embodiment 4
With reference to Fig. 1 and Fig. 2, in the present embodiment, the second magnet steel groove 102 is the circle for the central shaft that middle part is convex to rotor core 1
Arc.
Embodiment 5
With reference to Fig. 4 and Fig. 5, as different from Example 3, the present embodiment has the second magnet steel groove 102 of another shape,
One end of second magnet steel groove 102 extends with a 101 adjacent and other end of the first magnet steel groove towards the center of rotor core 1, its
In the second magnet steel groove 102 can also extend along linear extension along curve (such as circular arc etc.).
Wherein, the second magnet steel groove 102 can not connect with the first magnet steel groove 101, or the second magnet steel groove 102 can also be with
Corresponding first magnet steel groove 101 connects.
Preferably, such as Fig. 4, the second magnet steel groove 102 is the circular arc of circumferential projection of the middle part along rotor core 1, and multiple
Second magnet steel groove 102 it is (clockwise or counterclockwise) raised in the same direction.It is of course also possible to it is arranged to exist towards difference
The raised shape in direction.
Further preferably, the end face of the second magnet steel groove 102 along rotor core 1 radially extend and with first magnetic
Steel tank 101 is relative.
Furthermore it is also possible to the end face of the second magnet steel groove 102 and the center line radially of a first magnet steel groove 101 are prolonged
Stretch.
Embodiment 6
With reference to Fig. 6 to Fig. 9, the second magnet steel groove 102 of another shape is described, the second magnet steel groove 102 is along rotor iron
Core 1 radially extends.
Dislocation and the production that misplaces radially be present in rotor core 1 with the first magnet steel groove 101 in the outer end of the second magnet steel groove 102
Raw stage portion 103, in other words, it is completely right that mutually corresponding second magnet steel groove 102 is not diametrically with the first magnet steel groove 101
It is neat, it is also possible to the part alignment of relative the first magnet steel groove 101 and the second magnet steel groove 102 and another part staggers.
Preferably, the second magnet steel groove 102 be along rotor core 1 the rectangle radially extended, certain second magnet steel groove 102
Can be strip or other shapes.
Advantageously, the first magnet steel groove 101 is the rectangle radially extended along rotor core 1.
In addition, the second magnet steel groove 102 can not connect with the first magnet steel groove 101；Or second magnet steel groove 102 can also be with
Corresponding first magnet steel groove 101 connects.
Embodiment 7
First magnet steel groove 101 is the rectangle radially extended along rotor core 1.
It should be noted that the above-mentioned shape to the first magnet steel groove 101 and the second magnet steel groove 102 is described, but not
It is understood that as the limitation of the utility model protection fee scope.
Embodiment 8
With reference to Fig. 6 to Fig. 9, embodiment 8 can apply in the application in arbitrary other embodiment, specifically, the
The both sides circumferential along rotor core 1 of one magnet steel groove 101 are equipped with slit 105.
Further, the slit 105 of the both sides of the first magnet steel groove 101 opens on the direction at the center away from rotor core 1.
Preferably, the outer peripheral face of rotor core 1 have towards the first magnet steel groove 101 depression 106, slit 105 the inner with
Depression 106 in the diametrically opposite of rotor core 1, and the outer end of slit 105 and depression 106 rotor core 1 radially not
Relatively, that is to say, that the outer end of slit 105 extends to the outside of depression 106 (with the diametrically not corresponding position of depression 106
Put).
Embodiment 9
Embodiment 9 can also equally be applied in other embodiments.
In the utility model, with reference to Fig. 1, Fig. 4, Fig. 6, Fig. 8, the outer peripheral face of rotor core 1 is recessed towards the first magnet steel groove 101
Fall into 106.
Further, the outer peripheral face of rotor core 1 includes the multiple face groups 107 being sequentially connected along the circumference of rotor core 1,
Face group 107 includes：First arc section 1071, the second arc section 1072, three-arc section 1073, first straight line section 1074 and second
Straightway 1075, the second arc section 1072 are connected with one end of the first arc section 1071；The circular arc of three-arc section 1073 and first
The other end of section 1071 is connected；First straight line section 1074 is connected with the second arc section 1072；Second straight line section 1075 and the 3rd is justified
Segmental arc 1073 is connected, wherein, the first straight line section 1074 in adjacent two face groups 107 is connected with second straight line section 1075 and shape
It is in depression 106.
Further, the first arc section 1071 and rotor core 1 are concentric, the second arc section 1072 and the first arc section 1071
Decentraction is simultaneously tangent, and three-arc section 1073 and the decentraction of the first arc section 1071 are simultaneously tangent.
In addition, first straight line section 1074 and second straight line section 1075 are respectively positioned on the outside of the first magnet steel groove 101, and first is straight
Line segment 1074 and second straight line section 1075 with a face of the first magnet steel groove 101.
Embodiment 10
Embodiment 10 can be applied equally in foregoing any embodiment.
In the utility model, the first magnet steel groove 101 is identical with the quantity of the second magnet steel groove 102.
Embodiment 11
Such as Figure 10, the multistage that rotor core 1 is arranged to laminate vertically.Is all opened up on every section of rotor core 1
One magnet steel groove 101, the second magnet steel groove 102.
Further, 102 axially opposed and the first magnet steel groove of the second magnet steel groove in two sections adjacent in rotor core 1
101 misplace vertically.
Further adjacent two sections of rotor cores laminated differ a pair of polar angle degree in circumferencial direction.
Wherein, the second magnet steel groove 102 can not connect with the first magnet steel groove 101；Or second magnet steel groove 102 with it is corresponding
First magnet steel groove 101 connects.
Further, the first magnet steel groove 101 is the rectangle radially extended along rotor core 1, during the second magnet steel groove 102 is
Portion is convex to the circular arc of the circumferential projection of the circular arc at the center of rotor core 1, middle part along rotor core 1 or along rotor core 1
The rectangle radially extended.
The first adjacent magnet steel groove 101 and the second adjacent magnet steel groove 102 are on described in process in every section of rotor core 1
The plane of iron core portion axis is symmetrical.Certainly, the first magnet steel groove 101 and the second magnet steel groove 102 can also be arranged to it is circumferentially spaced,
The circumferentially form of uniform intervals arrangement.
In addition, with reference to Fig. 2, Fig. 5, Fig. 7 and Fig. 9, also utility model additionally provides a kind of rotor, including：Rotor core
1, rotor core 1 is foregoing rotor core 1, and permanent-magnet material is filled with the second magnet steel groove 102 and the second magnet steel groove 102.
, can be in the first magnet steel groove 101 and the second magnet steel groove 102 according to the rotor core 1 of the utility model embodiment
Magnetize, the material cost of rotor can be substantially reduced, and the anti-degaussing ability of rotor will not be reduced.
The stronger rubidium iron boron permanent magnetism of coercivity is placed in one embodiment of the present utility model, in the first magnet steel groove 101
Material, the relatively low ferrite permanent-magnet materials of coercivity are placed in the second magnet steel groove 102.Anti- demagnetizing energy can further be improved
Power.
Preferably, tangential parallel magnetization in the first magnet steel groove 101, radial magnetizing in the second magnet steel groove 102, can also be to cut
To parallel magnetization.
Specifically, when the second magnet steel groove 102 is rectangle or elongate in shape, radial magnetizing can be used, and second
When magnet steel groove 102 is circular arc, tangential parallel magnetization can be used.So as to substantially reduce the material cost of rotor, and not
The anti-degaussing ability of rotor can be reduced.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the present utility model.In this manual, to the schematic table of above-mentioned term
State and be necessarily directed to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be with
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 the different embodiments or example and the feature of different embodiments or example described in this specification can be entered
Row combines 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 the scope of the utility model
It is interior above-described embodiment to be changed, changed, replaced and modification.
Claims (14)
1. a kind of rotor core, it is characterised in that rotor core is laminated being divided axially at least two sections, and every section of rotor core is
The first magnet steel groove, the second magnet steel groove are offered, the first magnet steel groove and the second magnet steel groove are included along the rotor iron
Core it is circumferentially spaced multiple, the second magnet steel groove is located at the inner side of the first magnet steel groove, and in the rotor iron
Region between the radially described second magnet steel groove and adjacent two the first magnet steel grooves of core is relative.
2. rotor core according to claim 1, it is characterised in that in the rotor core in adjacent two sections second
Magnet steel groove is axially opposed and the first magnet steel groove misplaces vertically.
3. rotor core according to claim 2, it is characterised in that adjacent two sections of rotor cores laminated are in circumferencial direction
Differ a pair of polar angle degree.
4. rotor core according to claim 1, it is characterised in that the second magnet steel groove and the first magnet steel groove are not
Connection；Or the second magnet steel groove connects with the corresponding first magnet steel groove.
5. rotor core according to claim 1, it is characterised in that the first magnet steel groove is along the rotor core
The rectangle radially extended, the second magnet steel groove are that middle part is convex to the circular arc at the rotor core center, middle part along described turn
The circular arc of the circumferential projection of sub- iron core or the rectangle radially extended along the rotor core.
6. rotor core according to claim 1, it is characterised in that the first adjacent magnetic in every section of the rotor core
Steel tank and the second adjacent magnet steel groove are on symmetrical by the plane of iron core portion axis.
7. according to the rotor core any one of claim 1-6, it is characterised in that the first magnet steel groove along described
The circumferential both sides of rotor core are equipped with slit.
8. rotor core according to claim 7, it is characterised in that the slit of the first magnet steel groove both sides is away from institute
State and opened on the direction at the center of rotor core.
9. rotor core according to claim 8, it is characterised in that the outer peripheral face of the rotor core has described in
First magnet steel geosynclinal concave is fallen into, and the inner and described of the slit is recessed in the diametrically opposite of the rotor core, and the slit
Outer end with it is described depression in the radially not relative of the rotor core.
10. according to the rotor core any one of claim 1-6, it is characterised in that the outer peripheral face of the rotor core
Fallen into towards the first magnet steel geosynclinal concave.
11. according to the rotor core any one of claim 1-6, it is characterised in that the first magnet steel groove and described
The quantity of second magnet steel groove is identical.
A kind of 12. rotor, it is characterised in that including：
Rotor core, the rotor core are rotor core according to any one of claim 1-11, second magnetic
Permanent-magnet material is filled with steel tank and the second magnet steel groove.
13. rotor according to claim 12, it is characterised in that the stronger rubidium of coercivity is placed in the first magnet steel groove
Iron B permanent magnetic material, the relatively low ferrite permanent-magnet materials of coercivity are placed in the second magnet steel groove.
14. rotor according to claim 12, it is characterised in that tangential parallel magnetization in the first magnet steel groove, it is described
Tangential parallel or radial magnetizing in second magnet steel groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721105483.7U CN207124502U (en) | 2017-08-30 | 2017-08-30 | Rotor core and rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721105483.7U CN207124502U (en) | 2017-08-30 | 2017-08-30 | Rotor core and rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207124502U true CN207124502U (en) | 2018-03-20 |
Family
ID=61611433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721105483.7U Active CN207124502U (en) | 2017-08-30 | 2017-08-30 | Rotor core and rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207124502U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107394926A (en) * | 2017-08-30 | 2017-11-24 | 广东威灵电机制造有限公司 | Rotor core and rotor |
-
2017
- 2017-08-30 CN CN201721105483.7U patent/CN207124502U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107394926A (en) * | 2017-08-30 | 2017-11-24 | 广东威灵电机制造有限公司 | Rotor core and rotor |
| CN107394926B (en) * | 2017-08-30 | 2023-05-26 | 广东威灵电机制造有限公司 | Rotor core and rotor |
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