CN208479298U - Rotor assembly and motor - Google Patents
Rotor assembly and motor Download PDFInfo
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- CN208479298U CN208479298U CN201821094377.8U CN201821094377U CN208479298U CN 208479298 U CN208479298 U CN 208479298U CN 201821094377 U CN201821094377 U CN 201821094377U CN 208479298 U CN208479298 U CN 208479298U
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- rotor
- air groove
- axis
- rotor assembly
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Abstract
It includes rotor body that the utility model, which provides a kind of rotor assembly and motor, rotor assembly,；Rotor body includes middle section rotor, and middle section rotor has centered on the axis of middle section rotor, and along the circumferentially evenly arranged magnetic pole of middle section rotor；Magnetic pole includes middle section filling slot and middle section air groove, and on the section perpendicular to middle section rotor axis, middle section air groove is between middle section filling slot and the axis of middle section rotor；There are distances for the outer wall of middle section filling slot and middle section rotor, and conductive magnetic separator is filled in inside, and the middle section filling slot in multiple magnetic poles is successively laid along the circumferential direction of middle section rotor.The utility model reduces cost with that can not only improve production efficiency, and is conducive to carry out thermal advantage to rotor.
Description
Technical field
The utility model relates to technical field of motors, in particular to a kind of rotor assembly and motor.
Background technique
Across-the-line starting synchronous magnetic resistance motor combines the design feature of induction machine and synchronous magnetic resistance motor, passes through mouse cage sense
Torque should be generated and realize starting, reluctance torque is generated by inductor rotor gap and realizes permanent revolving speed operation, electricity can be passed directly into
Realize starting operation in source.
In the prior art, patent publication No. provides a kind of rotor, reluctance machine and use for the patent of 106537740 A of CN
In the manufacturing method of rotor, the packing material in rotor flux cut-off portion reaches rotor peripheries and forms the rotor peripheries
A part also needs to carry out rotor outer circle machining, the long low efficiency of manufacturing time, manufacture after packing material in flux cut-off portion
It is at high cost.
The patent of Patent No. US2975310A provides a kind of synchronous induction electromotor rotor structure, generates reluctance torque, knot
Structure is simple, but all injects aluminium in the patent rotor slot, and electric motor starting ability is poor, and in addition the covering of two ends of rotor end ring is entire
Rotor surface does not have air circulation heat release hole on rotor, and the flabellum on end ring does not also radiate to internal rotor.
Utility model content
The main purpose of the utility model is to provide a kind of rotor assembly and motors, can not only improve production effect
Rate reduces cost, and is conducive to radiate to rotor.
The utility model provides a kind of rotor assembly, including rotor body；
The rotor body includes middle section rotor, and the middle section rotor has centered on the axis of the middle section rotor,
And along the circumferentially evenly arranged magnetic pole of the middle section rotor；
The magnetic pole includes middle section filling slot and middle section air groove, on the section perpendicular to the middle section rotor axis,
The middle section air groove is between the middle section filling slot and the axis of the middle section rotor；
There are distances for the outer wall of the middle section filling slot and the middle section rotor, and conductive magnetic separator is filled in inside,
The middle section filling slot in multiple magnetic poles is successively laid along the circumferential direction of the middle section rotor.
More preferably, the middle section filling slot described in the same magnetic pole includes two adjacent first middle grooves；
On the section perpendicular to the middle section rotor axis, described two first middle grooves are symmetrical, and
Its symmetry axis and d overlapping of axles, the shape of the middle section air groove are using the d axis as the zhou duicheng tuxing of symmetry axis.
More preferably, in each magnetic pole, the middle section air groove includes the first air groove and the second air groove,
On the section perpendicular to the middle section rotor axis, first air groove and second air groove are from described
The outer wall of the center of middle section rotor towards the middle section rotor is successively intervally arranged.
More preferably, the quantity of first air groove is at least two, and two first air grooves turn along the middle section
The radial direction of son is successively arranged；
And/or the quantity of second air groove is at least two, two second air grooves are along the middle section rotor
Radial direction successively arrange.
More preferably, the middle section filling slot further includes the second middle groove, and the quantity of second middle groove is the middle section
Twice of air groove makes the both ends of the middle section air groove that second middle groove respectively be arranged, and perpendicular to described
On the section of middle section rotor axis, two middle section air grooves that the both ends of the middle section air groove are arranged in are with the d axis
Symmetry axis is symmetrical.
More preferably, the rotor body further includes side section rotor, and the side section rotor is fixedly connected on the middle section rotor
Axial end；
Setting filling hole and venthole, the filling hole are equal with the quantity of the middle section filling slot on the side section rotor
And connection is corresponded, so that the conductive magnetic separator in the middle section filling slot can fill the filling hole；
The venthole being capable of connection corresponding at least partly described middle section air groove.
More preferably, when the middle section air groove includes the first air groove and the second air groove, the venthole and described
The quantity of first air groove is equal, and corresponds connection.
More preferably, the cross sectional shape of the venthole with its corresponding to the cross sectional shape of first air groove it is identical.
More preferably, it is described filling hole cross sectional shape with its corresponding to the cross sectional shape of the middle section filling slot it is identical.
It more preferably, further include conducting ring；
The conducting ring is fixed on side section rotor back on the end face of the middle section rotor, and it is in place to recline
In in the conductive magnetic separator in the filling hole.
More preferably, the conducting ring is the circular ring shape with heat release hole, and what the heat release hole was connected to the venthole dissipates
Hot hole, so that the heat of the rotor body can be distributed by the heat release hole.
More preferably, the conducting ring has opposite first end face and second end face, and the heat release hole runs through described first
End face and the second end face；
The conducting ring is overlayed on the side section rotor by the second end face, and the filling hole is positioned at described
Within the scope of the overlaying of second end face.
More preferably, in the projection along the rotor axis direction, the venthole is located within the heat release hole.
More preferably, blade is provided in the first end face, the quantity of the blade is at least two and dissipates along described
The circumferential direction of hot hole is uniformly distributed.
More preferably, the blade is in the shape tapered towards the heat release hole direction.
More preferably, the first end face is the shape tapered towards the rotor body direction
On the one hand the utility model, which has, provides a kind of motor, the rotor assembly including any of the above technical characteristic.
The rotor assembly of the offer of the utility model includes middle section filling slot and middle section air groove using the magnetic pole, and
And there are distances for the outer wall of the middle section filling slot and the middle section rotor, and the technical side of conductive magnetic separator is filled in inside
Case can not only improve production efficiency, reduce cost, and be conducive to radiate to rotor.
Detailed description of the invention
Attached drawing described herein is used to provide a further understanding of the present invention, and constitutes one of the utility model
Point, the exemplary embodiment of the utility model and the description thereof are used to explain the utility model, does not constitute to the utility model
Improper restriction.In the accompanying drawings:
Fig. 1 is the decomposition diagram of one embodiment of the utility model rotor assembly；
Fig. 2 is the middle section rotor end-face schematic diagram in Fig. 1；
Fig. 3 is the side section rotor end-face schematic diagram in Fig. 1；
Fig. 4 is the rotor assembly end view in Fig. 1.
In figure: 1, rotor body；11, middle section rotor；12, middle section filling slot；121, the first middle groove；122, the second middle section
Slot；13, middle section air groove；131, the first air groove；132, the second air groove；14, side section rotor；15, hole, 16, ventilation are filled
Hole；2, conducting ring；21, heat release hole；22, first end face；23, second end face；24, blade.
Specific embodiment
It is specific below in conjunction with the utility model to keep the purpose of this utility model, technical solution and advantage clearer
Technical solutions of the utility model are clearly and completely described in embodiment and corresponding attached drawing.Obviously, described embodiment
It is only the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, this field
Those of ordinary skill's every other embodiment obtained without making creative work, belongs to the utility model
The range of protection.
It should be noted that the specification and claims of the utility model and term " first " in above-mentioned attached drawing,
" second " etc. is to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that in this way
The data used are interchangeable under appropriate circumstances, so that the embodiments of the present invention described herein can be in addition at this
In illustrate or description those of other than sequence implement.
As shown in Figure 1, 2, a kind of rotor assembly, including rotor body 1, rotor body 1 include middle section rotor 11, and middle section turns
Son 11 has centered on the axis of middle section rotor, and along the circumferential evenly arranged magnetic pole of middle section rotor 11 (not shown go out).Magnetic
Pole includes middle section filling slot 12 and middle section air groove 13, on the section perpendicular to 11 axis of middle section rotor, middle section air groove 13
Between middle section filling slot 12 and the axis of middle section rotor 11.The outer wall of middle section filling slot 12 and middle section rotor 11 exist away from
From, and it is internal fill conductive magnetic separator (not shown go out), conductive magnetic separator can be aluminum or aluminum alloy, in multiple magnetic poles
Middle section filling slot 12 successively laid along the circumferential direction of middle section rotor 11.Using such technical solution, compared with the existing technology again
When filling conductive magnetic separator to middle section filling slot 12, conductive magnetic separator will not be overflowed from the side wall of middle section rotor 11, therefore
It does not need to process the outer wall of middle section rotor 11 secondary, not only reduces production cost, and obtain production efficiency
It improves.Simultaneously by setting middle section air groove 13, be conducive to radiate to middle section rotor 11.
Specifically, as shown in Fig. 2, middle section filling slot 12 includes two adjacent first middle grooves 121 in same magnetic pole,
On the section perpendicular to 11 axis of middle section rotor, two the first middle grooves 121 are symmetrical, and its symmetry axis and d axis weight
It closes, the shape of middle section air groove 13 is using the d axis as the zhou duicheng tuxing of symmetry axis.Filling slot 12 and middle section air groove in this way
13 form the first layers of flux barriers (not shown go out), to reduce the magnetic flux of d axis direction.Further, in each magnetic pole, middle section air
Slot 13 includes the first air groove 131 and the second air groove 132, on the section perpendicular to 11 axis of middle section rotor, the first air
Slot 131 and the second air groove 132 are successively intervally arranged from the center of middle section rotor 11 towards the outer wall of middle section rotor 11.In this way
First air groove 131 and the second air groove 132 are capable of forming the second layers of flux barriers (not shown go out), to further decrease d axis direction
Magnetic flux.In actual fabrication, the quantity of the first air groove 131 is at least two, and two the first air grooves 131 are along middle section rotor
11 radial direction is successively arranged；And/or second air groove 132 quantity be at least two, two the second air grooves 132 are along middle section
The radial direction of rotor 11 is successively arranged.
Specifically, as shown in Fig. 2, middle section filling slot 12 further includes the second middle groove 122, the quantity of the second middle groove 122
Be twice of middle section air groove 13, make the both ends of middle section air groove 13 that one the second middle groove 122 is respectively set, and perpendicular to
On the section of 11 axis of middle section rotor, it is pair that two middle section air grooves 13 at the both ends of middle section air groove 13, which are arranged in, with the d axis
Claim axis symmetrical.
Further, as shown in Figure 1,3, rotor body 1 further includes side section rotor 14, and side section rotor 14 is fixedly connected on
The axial end of section rotor 11, setting filling hole 15 and venthole 16 on the section rotor 14 of side, filling hole 15 and middle section filling slot 12
Quantity it is equal and correspond connection so that the conductive magnetic separator in middle section filling slot 12 can fill filling hole 15, with
Conductive magnetic separator is set to be connected with the component except the section rotor 14 of side, venthole 16 can be at least partly middle section air
The corresponding connection of slot 13, so that heat dissipation channel can be collectively formed at least partly middle section air groove 13 in venthole 16, by rotor
The heat of ontology 1 distributes.Further, when middle section air groove 13 includes the first air groove 131 and the second air groove 132
When, the quantity of venthole 16 and the first air groove 131 is equal, and corresponds connection.It can make to fill out close to middle section in this way
The second air groove 132 of slot 12 is filled to be covered by side section rotor 14, when by filling hole 15 to middle section filling slot 12 fill it is conductive every
When magnetic material, it can prevent conductive magnetic separator from entering the second air groove 132.And then it ensure that the heat dissipation of the second air groove 132
Effect.In specific production, the cross sectional shape of venthole 16 with its corresponding to the cross sectional shape of the first air groove 131 it is identical.
Fill hole 15 cross sectional shape with its corresponding to the cross sectional shape of middle section filling slot 12 it is identical.It should be noted that side section turns
The quantity of son 14 can make two, and be respectively fixedly connected with the both ends axial in middle section rotor 11.
It further, further include conducting ring 2 as shown in Fig. 1,4；Conducting ring 2 is fixed on side section rotor 14 and turns back to middle section
It on the end face of son 11, and can stick in the conductive magnetic separator being located in filling hole 15, so that in multiple filling holes 15
Conductive magnetic separator be connected to form mouse cage, realized the asynchronous starting of motor.It is as shown in the figure, conductive in actual fabrication
Ring 2 is the circular ring shape with heat release hole 21, the heat release hole 21 that heat release hole 21 is connected to venthole 16, so that the heat of rotor body 1
Amount can be distributed by heat release hole 21.Specifically, conducting ring 2 has opposite first end face 22 and second end face 23, dissipates
Hot hole 21 runs through first end face 22 and second end face 23, and conducting ring 2 is overlayed on the section rotor 14 of side by second end face 23, and
And it fills hole 15 and is located within the scope of the overlaying of second end face 23.Further, in the projection along rotor axis direction, ventilation
Hole 16 is located within heat release hole 21, and the heat to shed from venthole 16 can be enable to dissipate without being blocked by heat release hole 21 in this way
Out, and then heat dissipation effect is improved.
More preferably, as shown in Fig. 1,4, blade 24 is provided in first end face 22, the quantity of blade 24 is at least two
And it is uniformly distributed along the circumferential direction of heat release hole 21.When the rotor assembly rotates, blade 24 generates wind pressure, generates centrifugal force and gets rid of air
It is got rid of out into reinforcement air axially circulates, and enhances rotor assembly internal heat dissipating.When specific production, blade 24 is in towards heat release hole 21
The tapered shape in direction.First end face 22 is the shape tapered towards 1 direction of rotor body, in favor of being oriented to air-flow.
When the quantity of side section rotor 14 can make two, and it is respectively fixedly connected at the axial both ends of middle section rotor 11, conducting ring 2
Quantity is also two, and is connected respectively on two side section rotors 14.
A kind of motor is provided for the realization another aspect of purpose of utility model the utility model, including described by above embodiments
Rotor assembly.
Above embodiments, which have the utility model, can not only improve production efficiency, reduce cost, and be conducive to pair
Rotor carries out thermal advantage.
The above description is only the embodiments of the present invention, is not intended to limit the utility model, for this field
Technical staff for, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model,
Any modification, equivalent replacement, improvement and so on should be included within the scope of the claims of the utility model.
Claims (17)
1. a kind of rotor assembly, it is characterised in that:
Including rotor body (1)；
The rotor body (1) includes middle section rotor (11), and the middle section rotor (11) has with the axis of the middle section rotor
Centered on, and along the circumferential evenly arranged magnetic pole of the middle section rotor (11)；
The magnetic pole includes middle section filling slot (12) and middle section air groove (13), perpendicular to middle section rotor (11) axis
On section, the middle section air groove (13) is between the middle section filling slot (12) and the axis of the middle section rotor (11)；
There are distances for the outer wall of the middle section filling slot (12) and the middle section rotor (11), and internal filling conduction is every magnetic material
Expect, the middle section filling slot (12) in multiple magnetic poles is successively laid along the circumferential direction of the middle section rotor (11).
2. rotor assembly according to claim 1, it is characterised in that:
The middle section filling slot (12) described in the same magnetic pole includes two adjacent first middle grooves (121)；
On the section perpendicular to middle section rotor (11) axis, described two first middle grooves (121) symmetrically,
And its symmetry axis and d overlapping of axles, the shape of the middle section air groove (13) are using the d axis as the zhou duicheng tuxing of symmetry axis.
3. rotor assembly according to claim 2, it is characterised in that:
In each magnetic pole, the middle section air groove (13) includes the first air groove (131) and the second air groove (132),
On the section perpendicular to middle section rotor (11) axis, first air groove (131) and second air groove
(132) it is successively intervally arranged from the center of the middle section rotor (11) towards the outer wall of the middle section rotor (11).
4. rotor assembly according to claim 3, it is characterised in that:
The quantity of first air groove (131) is at least two, and two first air grooves (131) turn along the middle section
The radial direction of sub (11) is successively arranged；
And/or the quantity of second air groove (132) is at least two, two second air grooves (132) are in described
The radial direction of section rotor (11) is successively arranged.
5. rotor assembly according to claim 3, it is characterised in that:
The middle section filling slot (12) further includes the second middle groove (122), and the quantity of second middle groove (122) is in described
Twice of section air groove (13), makes the both ends of the middle section air groove (13) that second middle groove (122) respectively be arranged, and
And on the section perpendicular to middle section rotor (11) axis, two institutes at the both ends of the middle section air groove (13) are set
It is symmetrical as symmetry axis using the d axis to state middle section air groove (13).
6. according to claim 1 to rotor assembly described in 5 any one, it is characterised in that:
The rotor body (1) further includes side section rotor (14), and the side section rotor (14) is fixedly connected on the middle section rotor
(11) axial end；
Setting filling hole (15) and venthole (16) on the side section rotor (14), the filling hole (15) and the middle section are filled
The quantity of slot (12) is equal and corresponds connection, so that the conductive magnetic separator in the middle section filling slot (12) can fill
The filling hole (15)；
The venthole (16) being capable of connection corresponding at least partly described middle section air groove (13).
7. rotor assembly according to claim 6, it is characterised in that:
When the middle section air groove (13) includes the first air groove (131) and the second air groove (132), the venthole (16)
It is equal with the quantity of first air groove (131), and correspond connection.
8. rotor assembly according to claim 7, it is characterised in that:
The cross sectional shape of the venthole (16) with its corresponding to the cross sectional shape of first air groove (131) it is identical.
9. rotor assembly according to claim 6, it is characterised in that:
It is described filling hole (15) cross sectional shape with its corresponding to the cross sectional shape of the middle section filling slot (12) it is identical.
10. rotor assembly according to claim 6, it is characterised in that:
It further include conducting ring (2)；
The conducting ring (2) is fixed on side section rotor (14) back on the end face of the middle section rotor (11), and can
It sticks in the conductive magnetic separator being located in filling hole (15).
11. rotor assembly according to claim 10, it is characterised in that:
The conducting ring (2) is the circular ring shape with heat release hole (21), and the heat release hole (21) is connected to the venthole (16)
Heat release hole (21) so that the heat of the rotor body (1) can be distributed by the heat release hole (21).
12. rotor assembly according to claim 11, it is characterised in that:
The conducting ring (2) has opposite first end face (22) and second end face (23), and the heat release hole (21) is through described
First end face (22) and the second end face (23)；
The conducting ring (2) is overlayed on the side section rotor (14) by the second end face (23), and the filling hole
(15) within the scope of the overlaying of the second end face (23).
13. rotor assembly according to claim 12, it is characterised in that:
In the projection along the rotor axis direction, the venthole (16) is located within the heat release hole (21).
14. rotor assembly according to claim 12, it is characterised in that:
It is provided on the first end face (22) blade (24), the quantity of the blade (24) is at least two and dissipates along described
The circumferential direction of hot hole (21) is uniformly distributed.
15. rotor assembly according to claim 14, it is characterised in that:
The blade (24) is in the shape tapered towards the heat release hole (21) direction.
16. rotor assembly according to claim 12, it is characterised in that:
The first end face (22) is the shape tapered towards the rotor body (1) direction.
17. a kind of motor, it is characterised in that:
Including rotor assembly described in claim 1 to 16 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821094377.8U CN208479298U (en) | 2018-07-10 | 2018-07-10 | Rotor assembly and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821094377.8U CN208479298U (en) | 2018-07-10 | 2018-07-10 | Rotor assembly and motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208479298U true CN208479298U (en) | 2019-02-05 |
Family
ID=65210182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821094377.8U Active CN208479298U (en) | 2018-07-10 | 2018-07-10 | Rotor assembly and motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208479298U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108711967A (en) * | 2018-07-10 | 2018-10-26 | 珠海格力电器股份有限公司 | Rotor assembly and motor |
| CN110086278A (en) * | 2019-05-23 | 2019-08-02 | 江苏铁锚工具有限公司 | A kind of brushless motor |
-
2018
- 2018-07-10 CN CN201821094377.8U patent/CN208479298U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108711967A (en) * | 2018-07-10 | 2018-10-26 | 珠海格力电器股份有限公司 | Rotor assembly and motor |
| CN110086278A (en) * | 2019-05-23 | 2019-08-02 | 江苏铁锚工具有限公司 | A kind of brushless motor |
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