CN111355321A - Embedded motor rotor structure - Google Patents
Embedded motor rotor structure Download PDFInfo
- Publication number
- CN111355321A CN111355321A CN202010201860.7A CN202010201860A CN111355321A CN 111355321 A CN111355321 A CN 111355321A CN 202010201860 A CN202010201860 A CN 202010201860A CN 111355321 A CN111355321 A CN 111355321A
- Authority
- CN
- China
- Prior art keywords
- magnet
- motor rotor
- rotor structure
- magnetic material
- line motor
- 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.)
- Pending
Links
- 239000000696 magnetic material Substances 0.000 claims abstract description 15
- 210000005056 cell body Anatomy 0.000 claims description 7
- 229910001289 Manganese-zinc ferrite Inorganic materials 0.000 claims description 6
- JIYIUPFAJUGHNL-UHFFFAOYSA-N [O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[Mn++].[Mn++].[Mn++].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Zn++].[Zn++] Chemical compound [O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[Mn++].[Mn++].[Mn++].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Zn++].[Zn++] JIYIUPFAJUGHNL-UHFFFAOYSA-N 0.000 claims description 6
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 6
- 150000002910 rare earth metals Chemical class 0.000 claims description 6
- 229910000859 α-Fe Inorganic materials 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 11
- 229910052742 iron Inorganic materials 0.000 abstract description 4
- 238000007792 addition Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
-
- 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
- H02K1/28—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The invention relates to an embedded motor rotor structure, and belongs to the field of motor rotors. The magnetic iron comprises a magnet II, a plurality of magnet I and a plurality of connecting or fixing structures, wherein the magnet II is uniformly provided with a plurality of groove bodies, the magnet I is correspondingly arranged in the groove bodies, the connecting or fixing structures are arranged between the magnet II and the magnet I, and the magnet II and the magnet I are made of magnetic materials. The invention has simple and reasonable structural design, stability, reliability, convenient operation, high working efficiency, reduced cost, improved overall performance and capability of meeting the use requirement.
Description
Technical Field
The invention relates to a permanent magnet motor rotor structure, in particular to an embedded motor rotor structure, and belongs to the field of motor rotors.
Background
In the existing rotor structure, magnets are embedded in a rotor iron core; this structure has the following drawbacks: 1) the magnetic permeability of the iron core is low; 2) the iron core of the rotor has self iron loss; 3) the process is complicated and the equipment and mould costs are high.
The chinese patent publication No. 106169822B, 11/02/2018, discloses an invention named "motor and rotor structure thereof". The rotor core of the patent is uniformly provided with a plurality of permanent magnet slots along the circumference, and permanent magnets are embedded into the permanent magnet slots; although this patent reduces vibration and noise of the motor; however, the above-mentioned drawbacks are still present because the magnets are embedded in the rotor core.
Therefore, it is necessary to provide a rotor structure of a motor with simple and reasonable structure, high working efficiency, low cost and good performance.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides the embedded motor rotor structure which is simple and reasonable in structural design, stable, reliable, convenient to operate, high in working efficiency, low in cost and capable of improving overall performance.
The technical scheme adopted by the invention for solving the problems is as follows: this embedded electric motor rotor structure, including magnet two and a plurality of magnet one, evenly set up a plurality of cell bodies on magnet two, a plurality of magnet one correspond and set up in a plurality of cell bodies, its characterized in that: the connecting or fixing structures are arranged between the second magnet and the first magnets, and the second magnet and the first magnets are made of magnetic materials; and the second magnet and the first magnet are both made of magnetic materials, so that the magnetic conduction efficiency is higher, the iron loss is small, and the cost of equipment and a die is reduced.
Preferably, the connecting or fixing structure adopts connecting and fixing modes such as welding connection, buckling connection or split and integrated forming technology and the like; to improve assembly efficiency.
Preferably, the connecting or fixing structure is provided with a draw hook or adopts a buckling position to fix the first magnet or adopts a split and integrated magnet I and a magnet II; the first magnet and the second magnet are fully connected or partially connected.
Preferably, the magnetic material of the present invention includes plastic magnetic material, sintered ferrite, rare earth and manganese zinc ferrite, etc.
Preferably, the plastic magnetic material, the sintered ferrite, the rare earth and manganese zinc ferrite and the like are mutually combined and prepared.
Preferably, the first magnet adopts a rectangle or a trapezoid; the above-described preferred shape may be selected, and other shapes may be selected according to actual circumstances.
Preferably, the plurality of grooves and the plurality of magnets are matched with each other.
Compared with the prior art, the invention has the following advantages and effects: the whole structure is simple and reasonable in design, stable and reliable, convenient to operate, high in working efficiency, low in cost and capable of improving the overall performance of the motor; magnet two and magnet one all adopt magnetic material for magnetic conduction efficiency is higher, and no iron loss has reduced the cost of equipment and mould, satisfies the user demand.
Drawings
Fig. 1 is a schematic structural view of a magnet in a trapezoidal shape according to an embodiment of the present invention.
Fig. 2 is another schematic view of the structure of fig. 1.
Fig. 3 is a schematic structural view of a magnet of an embodiment of the present invention in a rectangular shape.
Fig. 4 is another schematic view of the structure of fig. 3.
FIG. 5 is a schematic view showing the connection structure and the structure of the hook and the like for connection and fixation according to the embodiment of the present invention.
Fig. 6 is another schematic view of the structure of fig. 5.
In the figure: the device comprises a first magnet 1, a second magnet 2, a groove body 3, a connecting or fixing structure 4, a draw hook 5 and a shaft 6.
Detailed Description
The present invention will be described in further detail below by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not to be construed as limiting the present invention.
Examples are given.
Referring to fig. 1 to 6, the embedded electric motor rotor structure of this embodiment includes two magnet 2 and a plurality of magnet 1, evenly sets up a plurality of cell bodies 3 on the two magnet, and a plurality of cell bodies 3 match each other with a plurality of magnet 1, and a plurality of magnet 1 correspond and set up in a plurality of cell bodies 3.
A plurality of connection or fixed knot construct 4 of this embodiment set up between two 2, a plurality of magnet 1, connect or set up drag hook 6 on the fixed knot construct 4, two 2 and a plurality of magnet 1 all adopt magnetic material.
The connecting or fixing structure 4 in this embodiment is not limited to the provision of the hook 6, and includes connecting and fixing means such as welding, fastening, fixing, splitting, and integral molding.
The magnetic material of the embodiment comprises a plastic magnetic material, a sintered ferrite, a rare earth and manganese zinc ferrite and the like; plastic magnetic material, sintered ferrite, rare earth and manganese zinc ferrite.
The magnet 1 of the embodiment adopts a rectangular shape or a trapezoidal shape.
And will be apparent to those skilled in the art from the foregoing description.
In addition, it should be noted that the specific embodiments described in the present specification may be different in the components, the shapes of the components, the names of the components, and the like, and the above description is only an illustration of the structure of the present invention. Equivalent or simple changes in the structure, characteristics and principles of the invention are included in the protection scope of the patent. Various modifications, additions and substitutions for the specific embodiments described may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.
Claims (7)
1. The utility model provides an embedded electric motor rotor structure, includes magnet two (2) and a plurality of magnet (1), evenly set up a plurality of cell bodies (3) on the magnet two, a plurality of magnet (1) correspond and set up in a plurality of cell bodies (3), its characterized in that: still include a plurality of connection or fixed knot structure (4), a plurality of connection or fixed knot construct (4) and set up between magnet two (2), a plurality of magnet (1), magnet two (2) and a plurality of magnet (1) all adopt magnetic material.
2. The in-line motor rotor structure of claim 1, wherein: the connecting or fixing structure (4) adopts welding connection, buckling connection or split and integrated connection.
3. The in-line motor rotor structure according to claim 1 or 2, wherein: the connecting or fixing structure (4) is provided with a draw hook (6) or a first magnet (1) fixed by adopting a buckling position or a first magnet (1) and a second magnet (2) which are formed in a split and integrated mode.
4. The in-line motor rotor structure of claim 1, wherein: the magnetic material comprises plastic magnetic material, sintered ferrite, rare earth and manganese zinc ferrite.
5. The in-line motor rotor structure of claim 1, wherein: the plastic magnetic material, the sintered ferrite, the rare earth and the manganese-zinc ferrite are mutually combined and prepared.
6. The in-line motor rotor structure of claim 1, wherein: the first magnet (1) is rectangular or trapezoidal.
7. The in-line motor rotor structure of claim 1, wherein: the plurality of groove bodies (3) are matched with the plurality of first magnets (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010201860.7A CN111355321A (en) | 2020-03-20 | 2020-03-20 | Embedded motor rotor structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010201860.7A CN111355321A (en) | 2020-03-20 | 2020-03-20 | Embedded motor rotor structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111355321A true CN111355321A (en) | 2020-06-30 |
Family
ID=71196394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010201860.7A Pending CN111355321A (en) | 2020-03-20 | 2020-03-20 | Embedded motor rotor structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111355321A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203180671U (en) * | 2012-01-19 | 2013-09-04 | 三星电子株式会社 | Motor |
| CN206807165U (en) * | 2017-05-10 | 2017-12-26 | 温岭市九洲电机制造有限公司 | A kind of disc-type permanent magnet motor rotor |
| CN108352742A (en) * | 2015-11-06 | 2018-07-31 | 阿塞里克股份有限公司 | The magnet holder used in electro-motor |
| CN212518571U (en) * | 2020-03-20 | 2021-02-09 | 京马电机有限公司 | Embedded motor rotor structure |
| CN215186136U (en) * | 2021-06-04 | 2021-12-14 | 浙江弘耀机电科技有限公司 | Rotor for embedded permanent magnet motor |
-
2020
- 2020-03-20 CN CN202010201860.7A patent/CN111355321A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203180671U (en) * | 2012-01-19 | 2013-09-04 | 三星电子株式会社 | Motor |
| CN108352742A (en) * | 2015-11-06 | 2018-07-31 | 阿塞里克股份有限公司 | The magnet holder used in electro-motor |
| CN206807165U (en) * | 2017-05-10 | 2017-12-26 | 温岭市九洲电机制造有限公司 | A kind of disc-type permanent magnet motor rotor |
| CN212518571U (en) * | 2020-03-20 | 2021-02-09 | 京马电机有限公司 | Embedded motor rotor structure |
| CN215186136U (en) * | 2021-06-04 | 2021-12-14 | 浙江弘耀机电科技有限公司 | Rotor for embedded permanent magnet motor |
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