CN207926301U - A kind of cast-aluminum rotor - Google Patents
A kind of cast-aluminum rotor Download PDFInfo
- Publication number
- CN207926301U CN207926301U CN201820180377.3U CN201820180377U CN207926301U CN 207926301 U CN207926301 U CN 207926301U CN 201820180377 U CN201820180377 U CN 201820180377U CN 207926301 U CN207926301 U CN 207926301U
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- cooling wind
- wind blade
- cast
- face
- rotor
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Abstract
The utility model belongs to rotor technical field, more particularly to a kind of cast-aluminum rotor, including rotor body, it is equipped with the ring-shaped distributed cooling wind blade of multiple tracks on the rotor body both ends end face, the cooling wind blade is arc or spiral type, the arc cooling wind blade of rotor end-face accelerates air circulation, greatly improves radiating efficiency.
Description
Technical field
The utility model belongs to rotor technical field, and in particular to a kind of cast-aluminum rotor.
Background technology
Rotor will produce heat, especially cast-aluminum rotor in operation, and calorific value is relatively high, if heat cannot have
Passing out for effect can cause electric machine iron core temperature to increase, and shaft is turned blue, and motor is unqualified, therefore the problem of cast-aluminum rotor must solve
Certainly.
To solve the problem above-mentioned, the structure design that cooling wind blade is set in rotor end-face is used, when rotor rotates, is dissipated
Hot wind leaf carries out agitation air and forms air-flow, radiates to rotor, however, current cooling wind blade is disposed radially, structure
It is single, although can with agitation air formed air-flow, formed airflow it is unsmooth, heat dissipation it is inefficient.
Utility model content
Technical problem to be solved in the utility model is in view of the foregoing drawbacks, to provide a kind of cast-aluminum rotor, rotor end-face
Arc cooling wind blade accelerate air circulation, greatly improve radiating efficiency.
The technical solution that the utility model solves the use of its technical problem is as follows：
A kind of cast-aluminum rotor, including rotor body are equipped with multiple tracks on the rotor body both ends end face and annularly divide
The cooling wind blade of cloth, the cooling wind blade are arc or spiral type, and arc or spiral type are easier to guide air flowing, be formed
The air-flow of rule, air flowing accelerate, and improve radiating efficiency.
Further, the rotor body includes the annular solid with inner cavity, is set in the cast aluminium end at annular solid both ends
Ring, the cooling wind blade are arranged on the outer end face of cast aluminium end ring, and the annular solid is made of the superposition of multiple rotor punchings.
Further, the bending direction of arc cooling wind blade is consistent with cast-aluminum rotor rotation direction, multiple tracks cooling wind blade
Bending angle is consistent.
Further, the cast aluminium end ring end face axle center is equipped with inside groove, and groove is connected to the inner cavity of annular solid,
Groove makes cast aluminium end ring end face form annular end face, and the cooling wind blade is annularly uniformly arranged in annular end face, dissipates
Hot wind leaf both ends extend respectively to the interior bead of annular end face, extension mouth.
Further, cooling wind blade contoured surface close to rotor body one end to the other end far from rotor body from successively decreasing.
Further, the cast aluminium end ring peripheral surface is the conical surface, and outer end outer diameter of the cast aluminium end ring far from annular solid is less than
Close to the inner end outer diameter of annular solid.
Further, the back side of cooling wind blade evagination is arc, and the inner face of cooling wind blade indent is spiral type, cooling wind blade
The back side of evagination is arc, and the inner face of cooling wind blade indent is spiral type, cooling wind blade back side section start and rotor body inner circumferential
Face corresponding position is vertical, and cooling wind blade inner face initiating terminal and the angle of rotor body inner peripheral surface corresponding position are more than 90 °.
The utility model has the beneficial effects that：Using the above scheme, the cooling wind blade of multiple arcs or spiral type is with casting
When aluminium rotor rotates, it is easier to guide axial direction of the air-flow at rotor tip, radially, circumferentially on formation rule spiral gas
Stream, air circulation accelerates and air-flow is more smooth, greatly improves radiating efficiency.
Description of the drawings
Through the following detailed description taken in conjunction with the accompanying drawings, the utility model objects, features and advantages above-mentioned and other will
It becomes apparent.
Fig. 1 is a kind of end face vertical view of embodiment of the utility model.
Fig. 2 is a kind of Longitudinal cross section schematic of embodiment of the utility model.
Fig. 3 is the Longitudinal cross section schematic of cooling wind blade in a kind of embodiment of the utility model.
Wherein：1 is annular solid, and 2 be cast aluminium end ring, and 21 be groove, and 22 be annular end face, and 3 be cooling wind blade.
Specific implementation mode
The utility model is described further below in conjunction with the accompanying drawings.
Embodiment 1：It is shown in reference picture 1, Fig. 2, a kind of cast-aluminum rotor, including rotor body, rotor body include in having
The annular solid 1 of chamber, the cast aluminium end ring 2 for being set in 1 both ends of annular solid, annular solid 1 are made of the superposition of multiple rotor punchings, cast aluminium end
2 end face axle center of ring is equipped with inside groove 21, and groove 21 is connected to the inner cavity of annular solid 1, and groove 21 makes the end face of cast aluminium end ring 2
Annular end face 22 is formed, annular end face 22 is equipped with the annularly equally distributed arc cooling wind blade 3 of multiple tracks, cooling wind blade 3
Inner end close to 2 axle center of cast aluminium end ring extends to interior bead of the annular end face 22 close to 1 axle center of cast aluminium end ring, cooling wind blade 3
Inner end end face is concordant with circumferential surface, and the outer end of cooling wind blade 3 extends to the outer bead of annular end face 22, the outer end face of cooling wind blade 3
Concordant with the peripheral surface of annular end face 22, the bending direction of arc cooling wind blade 3 is consistent with the rotation direction of cast-aluminum rotor, multiple
The bending angle of cooling wind blade is identical, and the cooling wind blade 3 of multiple arcs forms the spiral gas of rule when being rotated with cast-aluminum rotor
The air of stream, groove is dynamic to external spiral divergent flow with arc cooling wind blade 3, forms air-flow radially from inside to outside, in turn
The annular flow in circumferential direction is formed in rotor tip, groove air flows outward, groove pressure reduction, and extraneous air is to recessed
Slot flows, and forms the air-flow in axial direction, and the cooling wind blade of arcuate structure is easier to guide air flowing, promotes the axis to form rule
To, radially, circumferentially on spiral air flow, and then greatly improve radiating efficiency.
Embodiment 2：Shown in referring to Fig.1, cooling wind blade 3 is spiral type, and along cast-aluminum rotor rotation direction, cooling wind blade 3 is curved
The bent side consistent with rotation direction is the back side of cooling wind blade 3, and the back side of cooling wind blade 3 is outer gibbosity, the back of the body of cooling wind blade 3
Face is cambered surface, and opposite another side is the inner face of cooling wind blade, and inner face is inner concavity, and the inner face of cooling wind blade indent is helical
Type, 3 back side initiating terminal of cooling wind blade is vertical with the circumferential surface corresponding position of annular end face 22,3 inner face initiating terminal of cooling wind blade and ring-type
The angle α of 22 circumferential surface corresponding position joint of end face is more than 90 °, and the back side of shape relieve heat leaf 3 is smooth cambered surface, and inner face is smooth
Spiral type, in rotation, air can smoothly be flowed out along smooth curved rear, and since angle α is more than 90 °, air passes through at center
Inner face starting point is directly flowed out along at the back side of adjacent heat radiation fan blade, to form negative pressuren zone at inner face, is in outside
Air enter negative pressuren zone, further increase the flowing smoothness of air, guiding air-flow forms heat dissipation radially, axially, circumferential
Air-flow greatly improves radiating efficiency.
Embodiment 3：With reference to shown in Fig. 3, the contoured surface of cooling wind blade 3 from 22 joint of annular end face to far from looped end
The outer end in face 22 is successively decreased, and cast aluminium end ring peripheral surface is the conical surface, and outer end outer diameter of the cast aluminium end ring far from annular solid is less than close to annular
The inner end outer diameter of body, such structure are conducive to improve production efficiency, and promote to be formed convenient for demoulding in rotor molding
Air-flow can be flowed at cast aluminium end ring peripheral surface, air-flow and cast aluminium end ring contact surface bigger, the air-flow flowing space is big, improves
Radiating efficiency, the small structure in cooling wind blade outer end, it is easier to promote air to be flowed outward from center axis, extraneous air is to groove
Flowing, further increases radiating efficiency.
The above is only the preferred embodiment of the utility model, not does limit in any form to the utility model
It makes, to any simple modification, equivalent variations made by above example in every foundation the technical essence of the utility model, falls
Enter within the scope of protection of the utility model.
Claims (7)
1. a kind of cast-aluminum rotor, including rotor body, it is characterised in that：It is equipped with multiple tracks on the rotor body both ends end face
Ring-shaped distributed cooling wind blade, the cooling wind blade are arc or spiral type.
2. a kind of cast-aluminum rotor according to claim 1, it is characterised in that：The rotor body includes having inner cavity
Annular solid, the cast aluminium end ring for being set in annular solid both ends, the cooling wind blade is arranged on the outer end face of cast aluminium end ring, described
Annular solid by multiple rotor punchings superposition constitute.
3. a kind of cast-aluminum rotor according to claim 1, it is characterised in that：The bending direction and cast aluminium of arc cooling wind blade
Rotor rotation direction is consistent, and the bending angle of multiple tracks cooling wind blade is consistent.
4. a kind of cast-aluminum rotor according to claim 2, it is characterised in that：The cast aluminium end ring end face axle center be equipped with to
Interior groove, groove are connected to the inner cavity of annular solid, and groove makes cast aluminium end ring end face form annular end face, the cooling wind blade
It is annularly uniformly arranged in annular end face, cooling wind blade both ends extend respectively to the interior bead of annular end face, extension mouth.
5. a kind of cast-aluminum rotor according to claim 1, it is characterised in that：Cooling wind blade contoured surface is by close to rotor body
Successively decrease to the other end far from rotor body one end.
6. a kind of cast-aluminum rotor according to claim 2, it is characterised in that：The cast aluminium end ring peripheral surface is the conical surface,
Outer end outer diameter of the cast aluminium end ring far from annular solid is less than the inner end outer diameter close to annular solid.
7. a kind of cast-aluminum rotor according to claim 1, it is characterised in that：The back side of cooling wind blade evagination is arc, is dissipated
The inner face of hot wind leaf indent is spiral type, and cooling wind blade back side section start is vertical with rotor body inner peripheral surface corresponding position, radiation air
Leaf inner face initiating terminal and the angle of rotor body inner peripheral surface corresponding position are more than 90 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820180377.3U CN207926301U (en) | 2018-02-01 | 2018-02-01 | A kind of cast-aluminum rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820180377.3U CN207926301U (en) | 2018-02-01 | 2018-02-01 | A kind of cast-aluminum rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207926301U true CN207926301U (en) | 2018-09-28 |
Family
ID=63602944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820180377.3U Active CN207926301U (en) | 2018-02-01 | 2018-02-01 | A kind of cast-aluminum rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207926301U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023070945A1 (en) * | 2021-10-26 | 2023-05-04 | 山东博源精密机械有限公司 | Novel heat-dissipation cast aluminum rotor of new energy vehicle |
-
2018
- 2018-02-01 CN CN201820180377.3U patent/CN207926301U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023070945A1 (en) * | 2021-10-26 | 2023-05-04 | 山东博源精密机械有限公司 | Novel heat-dissipation cast aluminum rotor of new energy vehicle |
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