CN203896073U - Permanent magnetic synchronous generator rotor sheet for 4-pole cart - Google Patents
Permanent magnetic synchronous generator rotor sheet for 4-pole cart Download PDFInfo
- Publication number
- CN203896073U CN203896073U CN201420270831.6U CN201420270831U CN203896073U CN 203896073 U CN203896073 U CN 203896073U CN 201420270831 U CN201420270831 U CN 201420270831U CN 203896073 U CN203896073 U CN 203896073U
- Authority
- CN
- China
- Prior art keywords
- sipes
- synchronous generator
- permanent magnet
- narrow groove
- generator rotor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000001360 synchronised Effects 0.000 title claims abstract description 15
- 238000004080 punching Methods 0.000 claims description 25
- 230000000875 corresponding Effects 0.000 claims description 4
- 230000004907 flux Effects 0.000 abstract description 14
- 230000000694 effects Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000005301 magnetic effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Abstract
The invention discloses a permanent magnet synchronous generator rotor sheet for a 4-pole cart. The permanent magnet synchronous generator rotor sheet comprises a rotor sheet body, a plurality of wide grooves and narrow grooves for storing permanent magnets are evenly formed in the rotor sheet body, tensioning holes are formed between the wide grooves and the narrow grooves, and cutoff bridges are arranged between the wide grooves and the narrow grooves. Leakage flux of a motor can be effectively reduced, the utilization rate of the permanent magnets is improved, the number of the permanent magnets is reduced, and motor material cost is lowered.
Description
Technical field
The utility model relates to the punching of a kind of automobile permanent magnet synchronous generator rotor, particularly relates to a kind of 4 utmost point automobile permanent magnet synchronous generator rotor punchings, belongs to electric field of components.
Background technology
In recent years, automobile permanent magnet synchronous generator because its efficiency high, low speed power supply performance is good, voltage regulation is low, the advantage such as simple in structure, reliable operation, stable performance more and more applied.The rotor punching of car permanent magneto has surface-type and built-in two kinds of forms, and wherein the application of built-in rotor punching is comparatively extensive.Built-in rotor punching leakage field is larger, and the effective rate of utilization of permanent magnet is lower, has increased the material cost of motor.
For reducing leakage field, existing car permanent magneto arranges every magnetic bridge on rotor punching, but every magnetic effect not obvious, and rotor punching reliability is low.
Summary of the invention
Goal of the invention:
The purpose of this utility model is to propose a kind ofly can to reduce leakage field, can guarantee mechanical strength again, the automobile permanent magnet synchronous generator rotor punching that reliability is high.
Technical scheme:
A kind of 4 utmost point automobile permanent magnet synchronous generator rotor punchings, comprise rotor punching body, it is characterized in that: on rotor punching body, be evenly provided with a plurality of for placing sipes and the narrow groove of permanent magnet, between sipes and narrow groove, be provided with tension hole, between sipes and narrow groove, be provided with bridge cut-off.
On rotor punching body excircle, be evenly provided with sipes, in the left and right sides, inner side of each sipes, be equipped with narrow groove.
Between the narrow groove that bridge cut-off is arranged on sipes and any side being adjacent and is homonymy.
The quantity of described sipes and narrow groove is corresponding with motor pole number.
Advantage and effect:
The punching of this automobile permanent magnet synchronous generator rotor of the utility model, has the following advantages and beneficial effect:
(1) adopt bridge cut-off structure, effectively reduced rotor leakage field;
(2) effectively guarantee mechanical strength, reliability is high;
(3) improve the utilance of permanent magnet, reduce permanent magnet consumption, reduce motor material cost.
accompanying drawing explanation:
Fig. 1 is overall structure schematic diagram of the present utility model.
Description of reference numerals:
In figure: 1-sipes, 2-bridge cut-off, 3-strains hole, the narrow groove of 4-, 5-rotor punching body.
embodiment:
Below in conjunction with accompanying drawing, the utility model is described further:
As shown in Figure 1, the utility model is i.e. 4 utmost point automobile permanent magnet synchronous generator rotor punchings of rotor punching that are applied on car permanent magneto, rotor punching is completely circular structure, comprise rotor punching body 5, it is characterized in that: on rotor punching body 5, be evenly provided with a plurality of for placing sipes 1 and the narrow groove 4 of permanent magnet, between described sipes 1 and narrow groove 4, be provided with tension hole 3, for punching axial tightening; Between described sipes 1 and narrow groove 4, be provided with bridge cut-off 2, effectively reduce leakage flux.
On rotor punching body 5 excircles, be evenly provided with sipes 1, in the left and right sides, inner side of each sipes 1, be equipped with narrow groove 4.
Between the narrow groove 4 that bridge cut-off 2 is arranged on sipes 1 and any side being adjacent and is homonymy, between sipes 1 and the narrow groove 4 of any side in left and right that is adjacent, all bridge cut-off can be set, be arranged on when left side all in left side, while being arranged on right side all on right side.
The quantity of described sipes 1 and narrow groove 4 is corresponding with motor pole number.
The quantity in described tension hole 3 is corresponding with the number of poles of motor, and the diameter in tension hole can be arranged between 5～10mm, best results now, and tension Kong Tai little affect the tension intensity of rotor punching, strains Kong Tai great, can affect the leakage field of motor.
The width of bridge cut-off 2 is a, and the width of narrow groove 4 ends is b, and the width a of bridge cut-off 2 and the width b of narrow groove 4 should meet
.Mechanical strength is set so high, effective every magnetic.
When the utility model is used:
Current existing rotor punching, without bridge cut-off, is ined succession, and leakage field phenomenon is serious, and the utility model is provided with bridge cut-off 2 between sipes 1 and narrow groove 4, efficiently solves this problem.
Rotor punching in use, the permanent magnet being arranged in sipes 1 and narrow groove 4 outwards sends total magnetic flux, total magnetic flux is main flux and leakage flux sum, and wherein main flux is useful magnetic flux, and leakage flux is harmful magnetic flux, leakage flux is that main flux is fewer more, more unfavorable to motor, between sipes 1 and narrow groove 4, arrange after bridge cut-off 2, effectively stoped leakage field, reduced leakage flux, the main flux that motor sends is increased greatly.So just can reduce the consumption of permanent magnet, effectively save the production cost of motor.
Claims (4)
1. utmost point automobile permanent magnet synchronous generator rotor punching, comprise rotor punching body (5), it is characterized in that: on rotor punching body (5), be evenly provided with a plurality of for placing sipes (1) and the narrow groove (4) of permanent magnet, between sipes (1) and narrow groove (4), be provided with tension hole (3), between sipes (1) and narrow groove (4), be provided with bridge cut-off (2).
2. 4 utmost point automobile permanent magnet synchronous generator rotor punchings according to claim 1, is characterized in that: on rotor punching body (5) excircle, be evenly provided with sipes (1), in the left and right sides, inner side of each sipes (1), be equipped with narrow groove (4).
3. 4 utmost point automobile permanent magnet synchronous generator rotor punchings according to claim 1, is characterized in that: between the narrow groove (4) that bridge cut-off (2) is arranged on sipes (1) and any side being adjacent and is homonymy.
4. according to 4 utmost point automobile permanent magnet synchronous generator rotor punchings described in claim 1,2 or 3, it is characterized in that: described sipes (1) is corresponding with motor pole number with the quantity of narrow groove (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420270831.6U CN203896073U (en) | 2014-05-26 | 2014-05-26 | Permanent magnetic synchronous generator rotor sheet for 4-pole cart |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420270831.6U CN203896073U (en) | 2014-05-26 | 2014-05-26 | Permanent magnetic synchronous generator rotor sheet for 4-pole cart |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203896073U true CN203896073U (en) | 2014-10-22 |
Family
ID=51722427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420270831.6U Expired - Fee Related CN203896073U (en) | 2014-05-26 | 2014-05-26 | Permanent magnetic synchronous generator rotor sheet for 4-pole cart |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203896073U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103973011A (en) * | 2014-05-26 | 2014-08-06 | 沈阳工业大学 | Rotor punching sheet of four-pole automotive permanent magnet synchronous generator |
| CN108667172A (en) * | 2017-03-29 | 2018-10-16 | 大陆汽车电子(芜湖)有限公司 | The rotor and brushless motor of brushless motor and the method for manufacturing rotor |
-
2014
- 2014-05-26 CN CN201420270831.6U patent/CN203896073U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103973011A (en) * | 2014-05-26 | 2014-08-06 | 沈阳工业大学 | Rotor punching sheet of four-pole automotive permanent magnet synchronous generator |
| CN108667172A (en) * | 2017-03-29 | 2018-10-16 | 大陆汽车电子(芜湖)有限公司 | The rotor and brushless motor of brushless motor and the method for manufacturing rotor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| C14 | Grant of patent or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141022 Termination date: 20170526 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |