CN109586442B - Motor and general rotor punching sheet thereof - Google Patents
Motor and general rotor punching sheet thereof Download PDFInfo
- Publication number
- CN109586442B CN109586442B CN201811527108.0A CN201811527108A CN109586442B CN 109586442 B CN109586442 B CN 109586442B CN 201811527108 A CN201811527108 A CN 201811527108A CN 109586442 B CN109586442 B CN 109586442B
- Authority
- CN
- China
- Prior art keywords
- magnetic steel
- magnet steel
- rotor punching
- punching sheet
- monomer
- 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.)
- Active
Links
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
- H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information
Abstract
The application discloses general rotor punching, including towards piece body and at least a set of segmentation magnet steel, towards having seted up a plurality of being used for placing on the piece body the magnet steel insertion groove of segmentation magnet steel, every group the segmentation magnet steel all includes two at least magnet steel monomers, every the magnet steel all can install alone in the magnet steel insertion groove. The utility model provides a general rotor punching utilizes the setting of segmentation magnet steel can adapt to the stator punching in the certain size range through the magnet steel monomer in the dismouting segmentation magnet steel, satisfies high-speed weak magnetism and motor wholeness ability, so, the size of rotor punching is fixed, can produce the rotor punching in batches to, only need design a small amount of stator punching mould can, can effectual reduction die design, long time of production, reduce cost improves the suitability. The application also discloses a motor comprising the universal rotor punching sheet.
Description
Technical Field
The application relates to the field of rotor punching, in particular to a universal rotor punching. In addition, this application still relates to a motor including above-mentioned general rotor punching.
Background
In order to meet the requirements of different performances and space sizes of a new energy motor, the electromagnetic scheme design is usually carried out again under a certain machine base number, and the design key of the permanent magnet synchronous motor lies in the magnetic circuit structure and size design of a rotor, so that the design time, process verification and material diversity are increased, the production efficiency is reduced, and the delivery cycle is prolonged.
In the prior art, motors of new energy automobiles are all in customized design, one rotor punching sheet is matched with one stator punching sheet, different rotor punching sheets and magnetic steel are developed by different base numbers, the research and development and process cost is increased, the material types are increased, particularly, the cost is high for a small number of motor dies, the verification period is long, the requirement on the schedule of the whole automobile project is difficult to meet, and the instability and the reliability of new products are uncertain.
In addition, the new energy automobile motor is rapidly developed, and the whole automobile enterprises are more rigorous to the torque/power density, delivery cycle and the like of the motor, so that the motor supplier increases manpower and research and development investment, and strives for mature talents to meet the requirement, but the new product needs a longer development cycle to verify the design and process compliance, thereby also influencing the whole project cycle of the whole automobile customer.
Therefore, how to increase the application range of the rotor sheet is a technical problem that needs to be solved by those skilled in the art at present.
Content of application
The utility model provides a general rotor punching, this general rotor punching can be applicable to the stator punching of multiple size, and application scope is wide, effectively reduces die sinking time and cost, is fit for mass production for the delivery cycle. Another object of the present application is to provide an electric machine including the above-mentioned universal rotor punching.
In order to achieve the above purpose, the present application provides the following technical solutions:
the utility model provides a general rotor punching, its characterized in that, includes towards piece body and at least a set of segmentation magnet steel, set up a plurality of magnet steel insertion grooves that are used for placing on the piece body towards the piece body, every group the segmentation magnet steel all includes two at least magnet steel monomers, every the magnet steel all can install alone in the magnet steel insertion groove.
Preferably, the bottom of the magnetic steel insertion groove is provided with a plurality of magnetic steel grid blocking ribs, and each bottom of the magnetic steel monomers is provided with a clamping groove which can be transversely clamped with the magnetic steel grid blocking ribs.
Preferably, the magnetic steel insertion grooves are strip-shaped, and the magnetic steel insertion grooves are sequentially arranged along the circumferential direction of the punching sheet body.
Preferably, the magnetic steel insertion grooves extend in a radial inclined mode relative to the punching sheet body, and the inclined directions of the two adjacent magnetic steel insertion grooves are opposite.
Preferably, each group of segmented magnetic steel at least comprises a first magnetic steel monomer, a second magnetic steel monomer and a third magnetic steel monomer, the length of the first magnetic steel monomer is 5% -10% of the total length of the segmented magnetic steel, and the length of the second magnetic steel monomer is 10% -20% of the total length of the segmented magnetic steel.
The application also provides a motor, which comprises the universal rotor punching sheet.
Preferably, still include stator punching, the external diameter of rotor punching is Dr, the external diameter of stator punching is D0，Dr/D0Is 0.6-0.75, inclusive.
The utility model provides a general rotor punching, including towards the piece body and a set of segmentation magnet steel at least, towards having seted up a plurality of being used for placing on the piece body the magnet steel insertion groove of segmentation magnet steel, every group the segmentation magnet steel all includes two at least magnet steel monomers, every the magnet steel all can install alone in the magnet steel insertion groove. This general rotor punching utilizes the setting of segmentation magnet steel can adapt to the stator punching in the certain size range through the magnet steel monomer in the dismouting segmentation magnet steel, satisfies high-speed weak magnetism and motor wholeness ability, so, the size of rotor punching is fixed, can batch production rotor punching to, only need design a small amount of stator punching mould can, can effectual reduction die design, long of production, reduce cost improves the suitability.
The motor that this application provided is equipped with above-mentioned general rotor punching, because general rotor punching has above-mentioned technological effect, consequently, the motor that is equipped with this general rotor punching also should have corresponding technological effect.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a specific embodiment of a general rotor sheet provided in the present application;
FIG. 2 is a schematic cross-sectional view of one embodiment of an electric machine provided herein;
fig. 3 is a schematic structural diagram of a segmented magnetic steel provided in the present application;
wherein: the magnetic steel stamping die comprises a stamping body (1), a magnetic steel insertion groove (2), segmented magnetic steel (3), magnetic steel grid blocking ribs (4), a first magnetic steel monomer (3a), a second magnetic steel monomer (3b) and a third magnetic steel monomer (3 c).
Detailed Description
The core of the application is to provide a universal rotor punching sheet, the universal rotor punching sheet greatly improves the core competitive advantage of products in the aspects of motor design performance, labor cost, production process universality, development period and the like, and the motor can achieve the best performance. Another core of the present application is to provide an electric machine including the above-mentioned universal rotor punching.
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Referring to fig. 1 to 3, fig. 1 is a schematic structural diagram of a general rotor sheet according to an embodiment of the present disclosure; FIG. 2 is a schematic cross-sectional view of one embodiment of an electric machine provided herein; fig. 3 is a schematic structural diagram of the segmented magnetic steel provided in the present application.
In this embodiment, the general rotor punching sheet includes a punching sheet body 1 and at least one group of segmented magnetic steels 3.
Specifically, set up a plurality of magnet steel insertion grooves 2 that are used for placing segmentation magnet steel 3 on the towards piece body 1, the degree of depth of magnet steel insertion groove 2 should match with segmentation magnet steel 3's thickness, every segmentation magnet steel 3 of group all includes two at least magnet steel monomers, and every magnet steel all can install alone in magnet steel insertion groove 2.
More specifically, one, two or more magnetic steel monomers can be placed in one magnetic steel insertion groove 2, different numbers of magnetic steel monomers can be placed in different magnetic steel insertion grooves 2, and the number of the magnetic steel monomers can be set according to the requirements of the power assembly formed by the torque, the rotating speed, the power and the like of the motor.
Meanwhile, the lengths of the magnetic steel monomers in each group of segmented magnetic steels 3 can be different, and the magnetic steels can be freely combined to form the required overall length when in use.
This general rotor punching sheet, utilize segmentation magnet steel 3's setting, can be through the magnet steel monomer in the dismouting segmentation magnet steel 3, adapt to the stator punching sheet in the certain size range, satisfy high-speed weak magnetism and motor wholeness ability, thus, the size of rotor punching sheet is fixed, can batch production rotor punching sheet, and, only need design a small amount of stator punching sheet mould can, can effectual reduction die design, long of production, reduce cost, improve the suitability, reduce whole project cycle, the quick response customer demand, reduce material management and control and mould input, save the cost, greatly optimize the product operation system.
On the basis of each embodiment, each group of segmented magnetic steel 3 at least comprises a first magnetic steel monomer 3a, a second magnetic steel monomer 3b and a third magnetic steel monomer 3c, wherein the length of the first magnetic steel monomer 3a is 5% -10% of the total length of the segmented magnetic steel 3, and the length of the second magnetic steel monomer 3b is 10% -20% of the total length of the segmented magnetic steel 3. Specifically, the length of third magnet steel monomer 3c can be for predetermineeing length, and the length of first magnet steel monomer 3a and second magnet steel monomer 3b can be set for as required, and in order to improve the suitability, the preferred different numerical values of length of first magnet steel monomer 3a and second magnet steel monomer 3 b.
On the basis of each above-mentioned embodiment, the bottom of magnet steel insertion groove 2 is equipped with a plurality of magnet steel check fender muscle 4, and every free bottom of magnet steel all is equipped with can keep off the joint recess of 4 horizontal joints of muscle with the magnet steel check, and joint recess and magnet steel check keep off 4 cooperation backs, can restrict the free position of magnet steel, guarantee that the free installation of magnet steel is stable.
On the basis of the above embodiments, the magnetic steel insertion grooves 2 are strip-shaped, and the magnetic steel insertion grooves 2 are sequentially arranged along the circumferential direction of the punching sheet body 1, so that when in use, magnetic steel single bodies with specific quantity and length can be installed in the magnetic steel insertion grooves 2 at required positions.
In addition to the above embodiments, the magnetic steel insertion grooves 2 extend obliquely with respect to the radial direction of the punch main body 1, and the inclination directions of two adjacent magnetic steel insertion grooves 2 are opposite to each other, forming a V-shape.
The general rotor punching sheet provided by the embodiment has the following beneficial effects:
the outer diameter of the rotor meeting the requirement of the coefficient K is adopted, and all stator punching sheets in a certain range can be matched in a compatible mode; the back electromotive forces required by different motors are adjusted through the segmented magnetic steel 3 so as to achieve the optimal design; the sectional magnetic steel 3 made of different materials can be selectively adopted, so that the motor achieves the best performance; the invention greatly improves the core competitive advantage of the product in the aspects of motor design performance, labor cost, production process universality, development period and the like.
Besides the universal rotor punching sheet, the application also provides a motor comprising the universal rotor punching sheet.
Preferably, the stator punching sheet further comprises a stator punching sheet, the outer diameter of the rotor punching sheet is Dr, and the outer diameter of the stator punching sheet is D0，Dr/D0Is 0.6-0.75, inclusive. The general rotor punching sheet determines a general outer diameter according to a proportional coefficient (stator outer diameter/rotor outer diameter) designed by the patent, and then utilizes the segmented magnetic steel to adjust the counter electromotive force of the motor to meet the requirements of the whole vehicle power and control assembly system.
Specifically, the general rotor punching that this embodiment provided, segmentation magnet steel 3 inserts respectively in magnet steel insertion groove 2, keeps off each segmentation magnet steel 3 of muscle 4 fixed through the magnet steel check, wherein:
outer diameter of rotor Dr and outer diameter of stator D0Coefficient K ═ Dr/D0K is more than or equal to 0.6 and less than or equal to 0.75;
the total length of segmentation magnet steel 3 is L, and first magnet steel monomer 3a length is La, and second magnet steel monomer 3b length is Lb, and third magnet steel monomer 3c length is Lc, and third magnet steel monomer 3 c's length is basic length, and La, Lb satisfy following relation:
La＝5～10％*L；
Lb＝10～20％*L。
in particular to a motor of a passenger car or a logistics carOuter diameter D of stator0When phi is 200-phi 240, the general rotor punching sheet with the rotor outer diameter Dr meeting the coefficient K achieves the required performance by changing the lamination thickness and the winding, when the designed motor back electromotive force is higher than the withstand voltage of a capacitor, the back electromotive force can be adjusted by inserting or removing the first magnetic steel single body 3a and/or the second magnetic steel single body 3b so as to meet the high-speed weak magnetism and the overall performance of the motor, and similarly, for commercial vehicles and bus motors, the stator outer diameter D0When the rotor is respectively phi 260-phi 300/phi 340-phi 400, the performance requirements of various motors can be met by respectively designing a universal rotor punching sheet in the same way; the segmented magnetic steel 3 can be made of different materials to meet the requirements of the best motor performance, specifically, the magnetic steel monomer can be made of magnetic steel synthesized by iron, aluminum, nickel, cobalt and the like, or made of copper, niobium and tantalum, and of course, the materials of the first magnetic steel monomer 3a, the second magnetic steel monomer 3b and the third magnetic steel monomer 3c can be different.
The motor provided by the embodiment can be a permanent magnet motor, and the motor uses a universal rotor punching sheet, and the outer diameter of the universal rotor punching sheet meets a coefficient K; the universal rotor punching sheet can cover the motor stator base number required by a certain vehicle type to a certain degree; the general rotor punching sheet uses segmented magnetic steel 3, the magnetic steel is 3 segments, and the length meets the requirements; the segmented magnetic steel 3 can adopt different magnetic steel materials so as to achieve the best motor performance; the magnetic steel single body is fixed by a magnetic steel grid retaining rib 4, and a corresponding clamping groove is formed in the magnetic steel single body and is matched with the magnetic steel single body to fix the magnetic steel single body.
For other structures of the motor, please refer to the prior art, and the description is omitted here.
Different topological structures of the rotor, such as a V1 type and a double V type, can adopt the design of the universal rotor punching sheet to achieve the effect of the patent and fall into the protection scope of the patent. The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The general rotor punching sheet provided by the application is described in detail above. The principles and embodiments of the present application are explained herein using specific examples, which are provided only to help understand the method and the core idea of the present application. It should be noted that, for those skilled in the art, it is possible to make several improvements and modifications to the present application without departing from the principle of the present application, and such improvements and modifications also fall within the scope of the claims of the present application.
Claims (4)
1. The general rotor punching sheet is characterized by comprising a punching sheet body (1) and at least one group of segmented magnetic steels (3), wherein a plurality of magnetic steel insertion grooves (2) for placing the segmented magnetic steels (3) are formed in the punching sheet body (1), each group of segmented magnetic steels (3) comprises at least two magnetic steel monomers, and each magnetic steel can be independently installed in the magnetic steel insertion groove (2); the bottom of the magnetic steel insertion groove (2) is provided with a plurality of magnetic steel grid blocking ribs (4), and the bottom of each magnetic steel monomer is provided with a clamping groove which can be transversely clamped with the magnetic steel grid blocking ribs (4);
each group of segmented magnetic steel (3) at least comprises a first magnetic steel monomer (3a), a second magnetic steel monomer (3b) and a third magnetic steel monomer (3c), the length of the first magnetic steel monomer (3a) is 5% -10% of the total length of the segmented magnetic steel (3), and the length of the second magnetic steel monomer (3b) is 10% -20% of the total length of the segmented magnetic steel (3);
the outer diameter of the rotor punching sheet is Dr, and the outer diameter of the stator punching sheet is D0，Dr/D0Is 0.6-0.75, inclusive.
2. The universal rotor punching sheet according to claim 1, wherein the magnetic steel insertion grooves (2) are strip-shaped, and the magnetic steel insertion grooves (2) are sequentially arranged along the circumferential direction of the punching sheet body (1).
3. The universal rotor punching sheet according to claim 2, wherein the magnetic steel insertion grooves (2) extend obliquely relative to the radial direction of the punching sheet body (1), and the inclination directions of two adjacent magnetic steel insertion grooves (2) are opposite.
4. An electric machine comprising a universal rotor punching sheet, characterized in that the universal rotor punching sheet is the universal rotor punching sheet of any one of claims 1 to 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811527108.0A CN109586442B (en) | 2018-12-13 | 2018-12-13 | Motor and general rotor punching sheet thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811527108.0A CN109586442B (en) | 2018-12-13 | 2018-12-13 | Motor and general rotor punching sheet thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109586442A CN109586442A (en) | 2019-04-05 |
| CN109586442B true CN109586442B (en) | 2021-06-22 |
Family
ID=65928459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811527108.0A Active CN109586442B (en) | 2018-12-13 | 2018-12-13 | Motor and general rotor punching sheet thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109586442B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111600408B (en) * | 2020-06-15 | 2022-02-08 | 中车株洲电机有限公司 | Composite rotor punching sheet, permanent magnet motor and vehicle |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205864111U (en) * | 2016-07-15 | 2017-01-04 | 珠海凌达压缩机有限公司 | Rotor and frequency conversion motor |
| CN108566004A (en) * | 2018-02-05 | 2018-09-21 | 天津大学 | Widen the rotor structure Robust-Design of the internal permanent magnet synchronous motor range of speeds |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103956843B (en) * | 2014-05-12 | 2016-08-24 | 西北工业大学 | A kind of high-speed electric main shaft internal permanent magnet synchronous motor |
| CN205725216U (en) * | 2016-06-08 | 2016-11-23 | 苏州瑞驱电动科技有限公司 | A kind of permanent magnetism for electric automobile electric propulsion assists reluctance-synchronous machine |
| CN108448767A (en) * | 2018-05-11 | 2018-08-24 | 哈尔滨理工大学 | A kind of permasyn morot with new type rotor structure |
-
2018
- 2018-12-13 CN CN201811527108.0A patent/CN109586442B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205864111U (en) * | 2016-07-15 | 2017-01-04 | 珠海凌达压缩机有限公司 | Rotor and frequency conversion motor |
| CN108566004A (en) * | 2018-02-05 | 2018-09-21 | 天津大学 | Widen the rotor structure Robust-Design of the internal permanent magnet synchronous motor range of speeds |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109586442A (en) | 2019-04-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202034835U (en) | Sectional motor stator iron core used on sewing machine | |
| CN104798289A (en) | Rotor of an electric motor and method for producing the rotor | |
| CN109586442B (en) | Motor and general rotor punching sheet thereof | |
| CN203445710U (en) | Motor | |
| CN202696299U (en) | Rare earth permanent magnet generator rotor sheet | |
| CN103475170B (en) | Manufacturing method of iron core, iron core structure and motor | |
| CN214707337U (en) | Sectional dislocation type permanent magnet motor rotor | |
| CN111327127A (en) | High-efficiency novel stator design for automobile brake | |
| CN215071849U (en) | New energy automobile motor rotor punching | |
| CN108599421A (en) | Rotor punching, skewed pole rotor and motor | |
| CN208272733U (en) | Rotor punching, skewed pole rotor and motor | |
| CN102201720B (en) | Method and device for molding stator core with helix angle | |
| CN106787567A (en) | A kind of oblique pole structure of permasyn morot magnetic steel embedded rotor and manufacturing process | |
| CN205725214U (en) | The double-deck slot type p-m rotor of low fluctuation of motor in electric automobile | |
| CN206948051U (en) | A kind of lamination structure of motor stator and the motor of vehicle traction | |
| CN212726615U (en) | Non-rare earth reluctance synchronous motor rotor punching sheet | |
| CN206023403U (en) | Permanent magnet machine rotor | |
| CN220342111U (en) | Stator structure, motor and electric drive system | |
| CN216530761U (en) | Rotor punching sheet, rotor and motor | |
| CN202405885U (en) | Stator iron core of motor | |
| CN213243657U (en) | Sectional stator core with tooth part made of oriented silicon steel material | |
| CN217063406U (en) | Three-phase permanent magnet motor | |
| CN211830368U (en) | Rotor punching sheet, rotor and motor | |
| CN211981604U (en) | Rotor core and motor | |
| CN219760728U (en) | Stator structure capable of improving cogging torque of motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |