CN216625406U - High-strength permanent magnet motor rotor - Google Patents
High-strength permanent magnet motor rotor Download PDFInfo
- Publication number
- CN216625406U CN216625406U CN202123236808.4U CN202123236808U CN216625406U CN 216625406 U CN216625406 U CN 216625406U CN 202123236808 U CN202123236808 U CN 202123236808U CN 216625406 U CN216625406 U CN 216625406U
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- Prior art keywords
- heat
- permanent magnet
- assembling
- hole
- rotor
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 14
- 230000017525 heat dissipation Effects 0.000 claims description 42
- 238000001704 evaporation Methods 0.000 claims description 20
- 230000008020 evaporation Effects 0.000 claims description 20
- 238000010521 absorption reaction Methods 0.000 claims description 19
- 238000009833 condensation Methods 0.000 claims description 17
- 230000005494 condensation Effects 0.000 claims description 17
- 238000009413 insulation Methods 0.000 claims description 9
- 239000011148 porous material Substances 0.000 claims description 9
- 238000002955 isolation Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- 230000005855 radiation Effects 0.000 claims description 6
- 239000007788 liquid Substances 0.000 description 10
- 230000000694 effects Effects 0.000 description 8
- 238000009835 boiling Methods 0.000 description 3
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- Iron Core Of Rotating Electric Machines (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The utility model relates to the technical field of motor rotors, in particular to a high-strength permanent magnet motor rotor, which comprises: the heat pipe type permanent magnet motor comprises a rotor core, a rotor core and a motor, wherein a rotating shaft through hole is formed in the middle of the rotor core, a rotating shaft penetrates through the rotating shaft through hole, permanent magnet assembling grooves which are distributed at equal angles are formed in the rotor core, a heat pipe assembling hole is formed between each permanent magnet assembling groove and the corresponding rotating shaft through hole, and the heat pipe assembling hole is formed in the rotor core; the heat pipe radiating structure is installed in the heat pipe assembling holes, a plurality of assembling grooves are formed in the convex edge of the iron core, and assembling blocks are installed in the assembling grooves. The assembling blocks arranged in the utility model can be assembled on the surface of the rotor core through the assembling grooves, so that the assembling blocks of the rotor can be processed when the eccentricity of the rotor rotation is detected, the uniformity of force distribution can be maintained when the rotor rotates, the eccentricity problem is reduced, and the dynamic balance state of the rotor during operation is improved.
Description
Technical Field
The utility model relates to the technical field of motor rotors, in particular to a high-strength permanent magnet motor rotor.
Background
The rotor of an electric machine is a part which rotates in the electric machine in popular terms. The motor rotor is also a rotating part in the motor. The motor consists of a rotor and a stator, and is a conversion device for realizing electric energy and mechanical energy and electric energy. In the field of medium and small capacity high precision transmission, a permanent magnet synchronous servo motor is widely adopted, and a magnetic field is generated by adding a permanent magnet on a rotor. Due to the inherent properties of permanent magnetic materials, it no longer requires external energy to create a strong permanent magnetic field in its surrounding space.
The general permanent magnet motor rotor has the problem of eccentricity after being used for long-time high-speed rotation, so that the high-speed operation of the motor rotor is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a high-strength permanent magnet motor rotor to solve the problem that the general permanent magnet motor rotor has eccentricity after being used for long-time high-speed rotation, so that the high-speed operation of the motor rotor is influenced.
In order to achieve the purpose, the utility model provides the following technical scheme: a high strength permanent magnet motor rotor comprising:
the rotor comprises a rotor core, a rotating shaft through hole is formed in the middle of the rotor core, a rotating shaft is inserted into the rotating shaft through hole, permanent magnet assembling grooves which are distributed at equal angles are formed in the rotor core, permanent magnets are installed in the permanent magnet assembling grooves, magnetic isolation material filling bins are arranged on two sides of each permanent magnet, a heat pipe assembling hole is formed between each permanent magnet assembling groove and the corresponding rotating shaft through hole, and the heat pipe assembling hole is formed in the rotor core;
the heat pipe heat radiation structure is installed in the heat pipe assembling holes, the outer surface of the rotor core is provided with an iron core groove and iron core convex tombs, the iron core convex tombs and the iron core groove are alternately distributed on the rotor core, a plurality of assembling grooves are formed in the iron core convex tombs, and assembling blocks are installed inside the assembling grooves.
Preferably, the assembly block is connected with the rotor core in a clamping manner through the assembly groove and the iron core protruding edge, and the assembly block is matched with the assembly groove in shape and size.
Preferably, the permanent magnets are embedded with the rotor core through permanent magnet assembling grooves, and the four permanent magnets are distributed in a square shape.
Preferably, the heat pipe heat dissipation structure comprises a heat dissipation condensation section, a heat insulation section, a heat absorption evaporation section, a porous material and a pipe body, the pipe body is installed inside the heat pipe assembly hole, the porous material is arranged inside the pipe body, one end of the pipe body is the heat dissipation condensation section, the other end of the pipe body is the heat absorption evaporation section, and the heat insulation section is arranged between the heat dissipation condensation section and the heat absorption evaporation section.
Preferably, the interior of the tube body is in a vacuum negative pressure state, the heat dissipation condensation section is communicated with the heat absorption evaporation section through the heat insulation section, and the heat pipe heat dissipation structure is provided with a plurality of heat pipes at equal angles.
Preferably, a heat radiation fan is fixedly installed at one end of the rotating shaft, a heat radiation through hole is formed in one side of the permanent magnet, and the heat radiation through hole is formed in the rotor core.
Preferably, the plurality of heat dissipation through holes are distributed on the rotor core at equal angles, and the heat dissipation fans correspond to the heat dissipation through holes.
Compared with the prior art, the utility model has the beneficial effects that:
the assembling blocks arranged in the utility model can be assembled on the surface of the rotor core through the assembling grooves, so that the assembling blocks of the rotor can be processed when the eccentricity of the rotor rotation is detected, the uniformity of force distribution can be maintained when the rotor rotates, the eccentricity problem is reduced, and the dynamic balance state of the rotor during operation is improved.
The liquid which is low in boiling point and easy to volatilize is arranged in the tube body, heat generated by the rotor during working can be absorbed through evaporation and heat absorption of the liquid at the heat absorption evaporation section, and the heat is led out through the heat dissipation condensation section, so that the heat dissipation effect on the interior of the rotor can be achieved, and the working time of the motor can be prolonged.
The rotating shaft arranged in the utility model can drive the radiating fan to rotate when in work, the radiating fan corresponds to the radiating through hole, so that a circulating air channel is formed in the radiating through hole, a second radiating effect can be achieved, the radiating performance of the whole rotor is ensured, and the magnetic isolation material filling bin can be filled with the magnetic isolation material, so that the magnetic interaction between permanent magnets can be avoided.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a partial structure of a connection between a heat pipe heat dissipation structure and a rotor core according to the present invention;
FIG. 3 is a schematic cross-sectional view of a rotor core according to the present invention;
FIG. 4 is an enlarged view of a portion A of FIG. 3 according to the present invention.
In the figure: 1. a rotor core; 2. the rotating shaft is perforated; 3. a rotating shaft; 4. a permanent magnet assembly groove; 5. a permanent magnet; 6. a magnetic isolation material filling bin; 7. an iron core groove; 8. a heat radiation fan; 9. a heat pipe assembly hole; 10. a heat pipe heat dissipation structure; 1001. a heat dissipation condensation section; 1002. a thermally insulating section; 1003. a heat absorption evaporation section; 1004. a porous material; 1005. a pipe body; 11. the iron core is protruded; 12. assembling a groove; 13. assembling the block; 14. and the heat dissipation through hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, 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 invention.
Referring to fig. 1, a high-strength permanent magnet motor rotor includes: a rotor core 1, a rotating shaft through hole 2 is arranged in the middle of the rotor core 1, a rotating shaft 3 is inserted in the rotating shaft through hole 2, permanent magnet assembling grooves 4 distributed at equal angles are arranged in the rotor core 1, permanent magnets 5 are arranged in the permanent magnet assembling grooves 4, the permanent magnets 5 are embedded between the permanent magnet assembling grooves 4 and the rotor core 1, the four permanent magnets 5 are distributed in a square shape, the permanent magnets 5 are conveniently arranged to provide a magnetic field for the rotation of a motor, magnetic isolation material filling bins 6 are arranged on two sides of each permanent magnet 5, the magnetic isolation material filling bins 6 can be filled with magnetic isolation materials, so that the magnetic interaction between the permanent magnets 5 can be avoided, heat pipe assembling holes 9 are arranged between the permanent magnet assembling grooves 4 and the rotating shaft through hole 2, the heat pipe assembling holes 9 are arranged on the rotor core 1, and a cooling fan 8 is fixedly arranged at one end of the rotating shaft 3, one side of permanent magnet 5 is provided with heat dissipation through-hole 14, and heat dissipation through-hole 14 sets up on rotor core 1, heat dissipation through-hole 14 has a plurality of to distribute at an equal angle on rotor core 1, and radiator fan 8 and heat dissipation through-hole 14 correspond to each other, the pivot 3 of setting can drive radiator fan 8 and rotate at the during operation, radiator fan 8 and heat dissipation through-hole 14 correspond to each other, so enable the inside wind channel that forms the circulation of heat dissipation through-hole 14, thereby can play the second heavy radiating effect, thereby guarantee the heat dispersion of whole rotor.
As shown in fig. 1 to 4, a high-strength permanent magnet motor rotor includes: the heat pipe radiating structure 10 is installed inside the heat pipe assembling hole 9, the heat pipe radiating structure 10 comprises a radiating condensation section 1001, a heat insulation section 1002, a heat absorption evaporation section 1003, a porous material 1004 and a pipe body 1005, the pipe body 1005 is installed inside the heat pipe assembling hole 9, the porous material 1004 is arranged inside the pipe body 1005, one end of the pipe body 1005 is the radiating condensation section 1001, the other end of the pipe body 1005 is the heat absorption evaporation section 1003, the heat insulation section 1002 is arranged between the radiating condensation section 1001 and the heat absorption evaporation section 1003, the inside of the pipe body 1005 is in a vacuum negative pressure state, the radiating condensation section 1001 is communicated with the heat absorption evaporation section 1003 through the heat insulation section 1002, a plurality of heat pipe radiating structures 10 are arranged at equal angles, liquid with low boiling point and easy volatilization is arranged inside the pipe body 1005, heat generated during the work of a rotor can be absorbed through the evaporation and absorption of the liquid of the heat absorption evaporation section 1003, and the heat is conducted out through the radiating condensation section 1001, thus, the heat dissipation effect on the inside of the rotor can be achieved, the working time of the motor can be prolonged, the outer surface of the rotor core 1 is provided with the core slots 7 and the core bosses 11, the core bosses 11 and the core slots 7 are alternately distributed on the rotor core 1, the heat dissipation area on the surface of the rotor can be increased due to the arrangement of the core slots 7, the heat dissipation effect can also be improved, the core bosses 11 are provided with a plurality of assembling slots 12, assembling blocks 13 are installed inside the assembling slots 12, the assembling blocks 13 are in clamping connection with the rotor core 1 through the assembling slots 12 and the core bosses 11, the assembling blocks 13 are matched with the assembling slots 12 in shape and size, the assembling blocks 13 are assembled on the surface of the rotor core 1 through the assembling slots 12, the assembling blocks 13 of the rotor can be processed when the eccentricity of the rotor rotation is detected, and the uniformity of the force distribution of the rotor can be maintained when the rotor rotates, the problem of eccentricity is reduced, and the dynamic balance state of the rotor during operation is improved.
The working principle is as follows: firstly, when the high-strength permanent magnet motor rotor is used, a rotating shaft 3 is inserted into a rotor core 1 through a rotating shaft through hole 2, a radiating fan 8 is fixed at the top end of the rotating shaft 3, a tube body 1005 of a heat pipe radiating structure 10 is inserted into a heat pipe assembling hole 9, liquid with a low boiling point and easy volatilization is arranged inside the tube body 1005, the inside of the tube body 1005 is in a vacuum negative pressure state, when heat accumulation occurs inside the rotor core 1, the liquid of a heat absorption evaporation section 1003 can absorb heat, a porous material 1004 is arranged inside the tube body 1005, the liquid in the heat absorption evaporation section 1003 is quickly evaporated, steam flows to a heat dissipation condensation section 1001 through a heat insulation section 1002 under a slight pressure difference, heat is released through the heat dissipation condensation section 1001, the liquid after heat is released can be condensed into liquid again, and the liquid flows back to the heat absorption evaporation section 1003 along the porous material 1004 under the action of capillary force, the heat is transmitted from one end of the tube body 1005 to the other end, so that the power mechanism is not needed for providing power for heat dissipation, thereby the heat dissipation effect of the rotor core 1 can be achieved, meanwhile, the rotating shaft 3 can drive the heat dissipation fan 8 to rotate during operation, the heat dissipation fan 8 corresponds to the heat dissipation through hole 14, so that a circulating air duct can be formed inside the heat dissipation through hole 14, thereby the second heat dissipation is performed, the heat dissipation area on the surface of the rotor can be increased due to the arrangement of the core slots 7, so that the heat dissipation effect can also be improved, when the rotor rotates and is eccentric, the assembling blocks 13 can be assembled in the assembling grooves 12 of the core bosses 11, so that the uniformity of force distribution of the rotor can be maintained during rotation, and the eccentric effect is reduced.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A high strength permanent magnet motor rotor comprising:
the rotor core comprises a rotor core (1), wherein a rotating shaft through hole (2) is formed in the middle of the rotor core (1), a rotating shaft (3) is inserted into the rotating shaft through hole (2), permanent magnet assembling grooves (4) distributed at equal angles are formed in the rotor core (1), permanent magnets (5) are installed in the permanent magnet assembling grooves (4), magnetic isolation material filling bins (6) are arranged on two sides of each permanent magnet (5), a heat pipe assembling hole (9) is formed between each permanent magnet assembling groove (4) and the rotating shaft through hole (2), and the heat pipe assembling hole (9) is formed in the rotor core (1);
heat pipe heat radiation structure (10), it installs the inside of heat pipe pilot hole (9), the surface of rotor core (1) is provided with iron core groove (7) and the protruding mausoleum (11) of iron core, and protruding mausoleum (11) of iron core and iron core groove (7) alternate distribution on rotor core (1), a plurality of assembly grooves (12) have been seted up on the protruding mausoleum (11) of iron core, and the internally mounted of assembly groove (12) has assembly piece (13).
2. A high-strength permanent magnet motor rotor according to claim 1, wherein the assembling block (13) is connected with the rotor core (1) in a clamping manner through the assembling groove (12) and the core boss (11), and the external dimensions of the assembling block (13) and the assembling groove (12) are matched with each other.
3. A high-strength permanent magnet motor rotor according to claim 1, wherein the permanent magnets (5) are embedded between the rotor core (1) and the permanent magnet assembly slots (4), and the four permanent magnets (5) are distributed in a square shape.
4. The high-strength permanent magnet motor rotor according to claim 1, wherein the heat pipe heat dissipation structure (10) comprises a heat dissipation condensation section (1001), a heat insulation section (1002), a heat absorption evaporation section (1003), a porous material (1004), and a pipe body (1005), the pipe body (1005) is installed inside the heat pipe assembly hole (9), the porous material (1004) is arranged inside the pipe body (1005), the heat dissipation condensation section (1001) is arranged at one end of the pipe body (1005), the heat absorption evaporation section (1003) is arranged at the other end of the pipe body (1005), and the heat insulation section (1002) is arranged between the heat dissipation condensation section (1001) and the heat absorption evaporation section (1003).
5. The high-strength permanent magnet motor rotor according to claim 4, wherein the interior of the tube (1005) is in a vacuum negative pressure state, the heat-dissipating condensation section (1001) is communicated with the heat-absorbing evaporation section (1003) through a heat-insulating section (1002), and the heat-pipe heat-dissipating structure (10) is provided in a plurality of equal angles.
6. A high-strength permanent magnet motor rotor according to claim 1, wherein a heat dissipation fan (8) is fixedly installed at one end of the rotating shaft (3), a heat dissipation through hole (14) is formed at one side of the permanent magnet (5), and the heat dissipation through hole (14) is formed in the rotor core (1).
7. A high-strength permanent magnet motor rotor according to claim 6, characterized in that a plurality of said heat dissipating through holes (14) are distributed on the rotor core (1) at equal angles, and the heat dissipating fan (8) and the heat dissipating through holes (14) correspond to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123236808.4U CN216625406U (en) | 2021-12-21 | 2021-12-21 | High-strength permanent magnet motor rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123236808.4U CN216625406U (en) | 2021-12-21 | 2021-12-21 | High-strength permanent magnet motor rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216625406U true CN216625406U (en) | 2022-05-27 |
Family
ID=81705642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123236808.4U Expired - Fee Related CN216625406U (en) | 2021-12-21 | 2021-12-21 | High-strength permanent magnet motor rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216625406U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3148880A1 (en) * | 2023-05-17 | 2024-11-22 | Valeo Eautomotive Germany Gmbh | ROTATING ELECTRIC MACHINE WITH HEAT PIPES INTEGRATED INSIDE |
-
2021
- 2021-12-21 CN CN202123236808.4U patent/CN216625406U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3148880A1 (en) * | 2023-05-17 | 2024-11-22 | Valeo Eautomotive Germany Gmbh | ROTATING ELECTRIC MACHINE WITH HEAT PIPES INTEGRATED INSIDE |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220527 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |