CN207819576U - A kind of new energy electric automobile motor rotor punching - Google Patents
A kind of new energy electric automobile motor rotor punching Download PDFInfo
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- CN207819576U CN207819576U CN201721304031.1U CN201721304031U CN207819576U CN 207819576 U CN207819576 U CN 207819576U CN 201721304031 U CN201721304031 U CN 201721304031U CN 207819576 U CN207819576 U CN 207819576U
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- magnetic slot
- magnetic
- punching
- slot
- new energy
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Abstract
The utility model discloses a kind of new energy electric automobile motor rotor punchings, including circular punching ontology, multigroup circumferentially equally distributed magnetic slot is equipped on the inside of the edge of the punching ontology, every group of magnetic slot includes magnetic slot one, magnetic slot two and magnetic slot three, the magnetic slot one and magnetic slot two are in the shape of the letter V symmetrical, the magnet steel three is between the magnetic slot one and magnetic slot two, three distribution triangular in shape of magnetic slot one, magnetic slot two and magnetic slot, the middle part of the punching ontology is equipped with axis hole, and multiple slots are additionally provided between axis hole and magnetic slot.The utility model is calculated using electromagnetism classical theory and finite element fully optimizes this punching, and reasonable design makes electric efficiency improve 10%, and motor weight reduces 25%.It is reliable, efficient, small, at low cost using motor performance made of rotor punching provided by the utility model.
Description
Technical field
The invention patent relates to a kind of motor parts, and in particular to a kind of new energy electric automobile motor rotor punching.
Background technology
Motor is widely used in the various electrical equipments of industrial production and life, existing motor have stator with
And rotor, armature spindle installation rotates in the rotor and with the rotation of rotor, and thus exports power.The permanent magnet of rotor structure
Positioned at internal rotor, have between permanent magnetism external surface and stator core inner circle made of ferromagnetic material (being typically lamination silicon steel sheet)
Pole shoe to help to improve the overload capacity and power density of motor using reluctance torque, and is easy to weak magnetism speed expansion.Cause
This such rotor is widely used by magneto institute.
Current Rare-earth PMSM Rotor Structure punching, since rotor punching structure designs not reasonable, electric motor starting
After cannot smoothly pull in operating.Since rotor punching structure design is not reasonable, bring magnetic intensity is unreasonable to cause to block up
Square of walking around is bigger than normal, meanwhile, and can make counter electromotive force is unreasonable to cause not economize on electricity.
Invention content
For deficiency in the prior art, the present invention provides a kind of new energy electric automobile motor rotor punchings.
In order to solve the above-mentioned technical problem, the present invention adopts the following technical scheme that：
A kind of new energy electric automobile motor rotor punching, including circular punching ontology, the edge of the punching ontology
Inside is equipped with multigroup circumferentially equally distributed magnetic slot, and every group of magnetic slot includes magnetic slot one, magnetic slot two and magnetic slot three,
The magnetic slot one and magnetic slot two be in the shape of the letter V it is symmetrical, the magnet steel three be located at the magnetic slot one and magnetic slot two it
Between, the middle part of three distribution triangular in shape of magnetic slot one, magnetic slot two and magnetic slot, the punching ontology is equipped with axis hole, in axis hole
Multiple slots are additionally provided between magnetic slot.
Preferably, the symmetry axis of the magnetic slot one and magnetic slot two passes through the center of circle of the punching ontology.
Preferably, the slot is the sector that outside carries arc groove.
Preferably, the quantity of slot is identical as the group number of magnetic slot on the punching ontology, and on the outside of the slot
Arc groove is between two adjacent groups magnetic slot.
Preferably, 12 groups of magnetic slots are equipped on the punching ontology altogether.
Preferably, the angle between the magnetic slot one and magnetic slot two is 120-150 degree.
Preferably, being additionally provided with multiple heat emission holes on the punching ontology.
Preferably, being additionally provided with multiple positioning protrusion in the axis hole.
The beneficial effects of the invention are as follows：
The present invention is calculated using electromagnetism classical theory and finite element fully optimizes this punching, and reasonable design makes electric efficiency
10% is improved, motor weight reduces 25%.Reliable, the efficient, body using motor performance made of rotor punching provided by the invention
Product is small, at low cost.
Description of the drawings
Fig. 1 is
Reference numerals list：
1- rotor bodies；2- magnetic slots one；3- magnetic slots two；4- magnetic slots three；5- axis holes；6- slots；7- arc grooves；
8- heat emission holes；9- positioning protrusion.
Specific implementation mode
The invention will be further described with reference to the accompanying drawings and detailed description：
As shown in Figure 1, a kind of new energy electric automobile motor rotor punching, including circular punching ontology, the punching
Multigroup circumferentially equally distributed magnetic slot is equipped on the inside of the edge of ontology, every group of magnetic slot includes magnetic slot 1, magnetic slot two
3 and magnetic slot 34, the magnetic slot 1 and magnetic slot 23 are in the shape of the letter V symmetrical, and the magnet steel three is located at the magnetic slot
Between one 2 and magnetic slot 23,34 distribution triangular in shape of magnetic slot 1, magnetic slot 23 and magnetic slot, the punching ontology
Middle part is equipped with axis hole 5, and multiple slots 6 are additionally provided between axis hole 5 and magnetic slot.
Preferably, the symmetry axis of the magnetic slot 1 and magnetic slot 23 passes through the center of circle of the punching ontology.
Preferably, the slot 6 is the sector that outside carries arc groove 7.
Preferably, the quantity of slot 6 is identical as the group number of magnetic slot on the punching ontology, and 6 outside of the slot
Arc groove 7 between two adjacent groups magnetic slot.
Preferably, 12 groups of magnetic slots are equipped on the punching ontology altogether.
Preferably, the angle between the magnetic slot 1 and magnetic slot 23 is 120-150 degree.
Preferably, being additionally provided with multiple heat emission holes 8 on the punching ontology.
Preferably, being additionally provided with multiple positioning protrusion 9 in the axis hole 5.
The present invention is calculated using electromagnetism classical theory and finite element fully optimizes this punching, and reasonable design makes electric efficiency
10% is improved, motor weight reduces 25%.Reliable, the efficient, body using motor performance made of rotor punching provided by the invention
Product is small, at low cost.
The technical means disclosed in the embodiments of the present invention is not limited only to the technological means disclosed in the above embodiment, further includes
By the above technical characteristic arbitrarily the formed technical solution of combination.It should be pointed out that for those skilled in the art
For, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (8)
1. a kind of new energy electric automobile motor rotor punching, which is characterized in that including circular punching ontology, the punching sheet
Multigroup circumferentially equally distributed magnetic slot is equipped on the inside of the edge of body, every group of magnetic slot includes magnetic slot one, two and of magnetic slot
Magnetic slot three, the magnetic slot one and magnetic slot two are in the shape of the letter V symmetrical, and the magnet steel three is located at the magnetic slot one and magnetic
Between steel tank two, the middle part of three distribution triangular in shape of magnetic slot one, magnetic slot two and magnetic slot, the punching ontology is equipped with axis
Hole is additionally provided with multiple slots between axis hole and magnetic slot.
2. new energy electric automobile motor rotor punching as described in claim 1, which is characterized in that the magnetic slot one and magnetic
The symmetry axis of steel tank two passes through the center of circle of the punching ontology.
3. new energy electric automobile motor rotor punching as described in claim 1, which is characterized in that the slot is outer side band
There is the sector of arc groove.
4. new energy electric automobile motor rotor punching as claimed in claim 3, which is characterized in that slot on the punching ontology
The quantity in hole is identical as the group number of magnetic slot, and the arc groove on the outside of the slot is between two adjacent groups magnetic slot.
5. new energy electric automobile motor rotor punching as described in claim 1, which is characterized in that on the punching ontology altogether
Equipped with 12 groups of magnetic slots.
6. new energy electric automobile motor rotor punching as described in claim 1, which is characterized in that the magnetic slot one and magnetic
Angle between steel tank two is 120-150 degree.
7. new energy electric automobile motor rotor punching as described in claim 1, which is characterized in that on the punching ontology also
Equipped with multiple heat emission holes.
8. new energy electric automobile motor rotor punching as described in claim 1, which is characterized in that be additionally provided in the axis hole
Multiple positioning protrusion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721304031.1U CN207819576U (en) | 2017-10-11 | 2017-10-11 | A kind of new energy electric automobile motor rotor punching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721304031.1U CN207819576U (en) | 2017-10-11 | 2017-10-11 | A kind of new energy electric automobile motor rotor punching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207819576U true CN207819576U (en) | 2018-09-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721304031.1U Active CN207819576U (en) | 2017-10-11 | 2017-10-11 | A kind of new energy electric automobile motor rotor punching |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207819576U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112234732A (en) * | 2020-09-24 | 2021-01-15 | 安徽飞翔电器有限公司 | Stator and rotor iron core punching sheet of permanent magnet new energy automobile motor |
-
2017
- 2017-10-11 CN CN201721304031.1U patent/CN207819576U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112234732A (en) * | 2020-09-24 | 2021-01-15 | 安徽飞翔电器有限公司 | Stator and rotor iron core punching sheet of permanent magnet new energy automobile motor |
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