CN219659510U - Double-rotor three-phase asynchronous motor - Google Patents
Double-rotor three-phase asynchronous motor Download PDFInfo
- Publication number
- CN219659510U CN219659510U CN202320204399.XU CN202320204399U CN219659510U CN 219659510 U CN219659510 U CN 219659510U CN 202320204399 U CN202320204399 U CN 202320204399U CN 219659510 U CN219659510 U CN 219659510U
- Authority
- CN
- China
- Prior art keywords
- rotor
- shell
- rotating shaft
- pivot
- barrel
- 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
- 238000004804 winding Methods 0.000 claims abstract description 19
- 230000017525 heat dissipation Effects 0.000 claims description 16
- 230000009977 dual effect Effects 0.000 claims description 5
- 210000001503 joint Anatomy 0.000 claims description 2
- 238000001816 cooling Methods 0.000 abstract description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 9
- 238000009434 installation Methods 0.000 abstract description 3
- 230000001681 protective effect Effects 0.000 description 9
- 239000000428 dust Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Landscapes
- Motor Or Generator Cooling System (AREA)
Abstract
The utility model relates to a double-rotor three-phase asynchronous motor, which comprises a shell, a first rotor, a second rotor and cooling fins, wherein the first rotor and the second rotor are respectively assembled in the shell, the first rotor comprises a first rotating shaft and a first iron core winding, the second rotor comprises a second rotating shaft, a second iron core winding and a cylinder body, the cooling fins are arranged outside the cylinder body, a plurality of cooling fins are arranged on the cylinder body along the circumference of the first rotating shaft at intervals, the inner wall of the shell and the cooling fins are arranged at intervals, the first rotating shaft and the shell are arranged in a non-concentric mode, so that the axial lead of the first rotating shaft is positioned under the axial lead of the shell, an opening through which the cooling fins penetrate is formed in the bottom of the shell, and a shielding plate for shielding the opening is further arranged at the opening, so that the distance between the first rotating shaft and the bottom surface of the shell is reduced, and the installation space required by the first rotor, the second rotor and the cooling fins is ensured, so that the central height of an output shaft of the motor is consistent with the central height of the existing motor with a same machine seat number.
Description
Technical Field
The utility model relates to the field of motors, in particular to a double-rotor three-phase asynchronous motor.
Background
In the design and use process of the three-phase asynchronous motor, the height of the central line of the output shaft of the three-phase asynchronous motor from the mounting surface (the bottom surface of the shell) is uniformly called as the central height of the output shaft of the three-phase asynchronous motor, and the design and use of the three-phase asynchronous motor also need to meet the international uniform manufacturing standard, so that the three-phase asynchronous motor is convenient to design and use in various working scenes.
The existing double-rotor three-phase asynchronous motor consists of an outer rotor, an inner rotor and a shell, wherein the outer rotor and the inner rotor are rotatably assembled together and are arranged in a cavity of the shell, the outer rotor consists of an outer rotating shaft, a cylinder body and an outer iron core winding, and the inner rotor consists of an inner rotating shaft and an inner iron core winding.
Compared with the traditional three-phase asynchronous motor, in the existing double-rotor three-phase asynchronous motor, the installation space of the cylinder body and the outer rotating shaft is required to be increased in the cavity of the shell, and a proper gap is required to be reserved between the outer rotor and the shell so as to avoid the interference of the outer rotor and the shell, so that the shell required by the existing double-rotor three-phase asynchronous motor is larger, but the center of the shell is higher than the standard of the three-phase asynchronous motor manufactured by national standards.
In addition, because the existing double-rotor three-phase asynchronous motor is provided with two iron core windings, the heat productivity is large, and the working state and the service life of the double-rotor three-phase asynchronous motor are affected.
Therefore, there is an urgent need for a dual-rotor three-phase asynchronous motor that has a good heat dissipation and ensures that the center height of its output shaft is identical to that of the existing motor of the same base number to solve the above-mentioned problems.
Disclosure of Invention
The utility model aims to provide a double-rotor three-phase asynchronous motor which has good heat dissipation and can ensure that the center of an output shaft of the double-rotor three-phase asynchronous motor is high and accords with national standards.
In order to achieve the above object, the present utility model provides a dual-rotor three-phase asynchronous motor, comprising a housing, a first rotor and a second rotor, wherein the first rotor and the second rotor are respectively assembled in the housing, the first rotor comprises a first rotating shaft and a first iron core winding, the first iron core winding is arranged on the first rotating shaft, the second rotor comprises a second rotating shaft, a second iron core winding and a cylinder body, the second iron core winding is arranged in the cylinder body, the first rotor is positioned in the cylinder body (installed in the second rotor), the first rotating shaft is rotatably assembled at the front end and the rear end of the cylinder body, the front end of the first rotating shaft extends out of the housing, the first rotating shaft is rotatably assembled at the front end of the housing, the front end of the second rotating shaft is fixedly connected with the cylinder body, the second rotating shaft is positioned outside the cylinder body and is in disconnected coaxial butt joint with the rear end of the first rotating shaft, the second rotating shaft is rotatably assembled in the shell, the dual-rotor three-phase asynchronous motor further comprises radiating fins arranged on the outer side of the cylinder body, the radiating fins are arranged on the cylinder body at intervals along the circumferential direction of the first rotating shaft, the inner wall of the shell is arranged at intervals with the radiating fins, the first rotating shaft and the shell are arranged in a non-concentric mode, so that the axial lead of the first rotating shaft is positioned under the axial lead of the shell, an opening for the radiating fins to penetrate is formed in the bottom of the shell, a shielding plate which is spaced from the radiating fins is further arranged at the opening, the shielding plate is fixedly connected with the shell and shields the opening, and preferably, the rear end of the second rotating shaft extends out of the shell.
Preferably, a protective cover is arranged on the rear end cover of the housing, the protective cover is positioned behind the rear end of the second rotating shaft, and a protective space for the rear end of the second rotating shaft to penetrate is formed between the protective cover and the rear end of the housing.
Preferably, the shell is provided with a heat dissipation hole.
Preferably, the heat dissipation holes are respectively arranged on a front end cover and a rear end cover of the shell.
Compared with the prior art, the dual-rotor three-phase asynchronous motor further comprises the radiating fins arranged on the outer side of the cylinder, the radiating fins are arranged on the cylinder at intervals along the circumference of the first rotating shaft, the inner wall of the shell is arranged at intervals with the radiating fins, the first rotating shaft and the shell are arranged in a non-concentric mode, so that the axis line (central line) of the first rotating shaft is positioned right below the axis line of the shell, an opening through which the radiating fins pass is formed in the bottom of the shell, a shielding plate which is separated from the radiating fins is further arranged at the opening, the shielding plate is fixedly connected with the shell and shields the opening, the distance between the first rotating shaft and the bottom surface (mounting surface) of the shell is reduced, and the mounting space required by the first rotor, the second rotor and the radiating fins is ensured, so that the dual-rotor three-phase asynchronous motor has good heat dissipation and the high output shaft center of the dual-rotor three-phase asynchronous motor meets national standard.
Drawings
Fig. 1 is a schematic diagram of the internal structure of a dual-rotor three-phase asynchronous motor according to the present utility model.
Fig. 2 is a cross-sectional view of the dual rotor three-phase asynchronous motor shown in fig. 1 along the line A-A.
Reference numerals illustrate: 1. a double-rotor three-phase asynchronous motor; 10. a housing; 10a, the front end of the outer shell; 10b, the rear end of the housing; 10c, the bottom of the shell; 11. a front end cover; 12. a rear end cover; 13. an opening; 14. a heat radiation hole; 20. a first rotor; 21. a first rotating shaft; 21a, the front end of the first rotating shaft; 21b, the rear end of the first rotating shaft; 22. a first core winding; 30. a second rotor; 31. a second rotating shaft; 31a, the front end of the second rotor; 31b, the rear end of the second rotor; 32. a second core winding; 33. a cylinder; 33a, the front end of the cylinder; 33b, the rear end of the cylinder; 40. a heat sink; 50. a shielding plate; 60. a protective cover; 60a, a protection space.
Detailed Description
Referring to fig. 1 and 2, the dual-rotor motor 1 of the present utility model includes a housing 10, a first rotor 20 and a second rotor 30, wherein the first rotor 20 and the second rotor 30 are respectively assembled in the housing 10, the first rotor 20 includes a first rotating shaft 21 and a first core winding 22, the first core winding 22 is disposed on the first rotating shaft 21, the second rotor 30 includes a second rotating shaft 31, a second core winding 32 and a barrel 33, the second core winding 32 is disposed in the barrel 33, the first rotor 20 is disposed in the barrel 33, the first rotating shaft 21 is rotatably assembled at a front end 33a of the barrel 33, the first rotating shaft 21 is rotatably assembled at a rear end 33b of the barrel 33, the front end 21a of the first rotating shaft 21 extends out of the housing 10, the first rotating shaft 21 is rotatably assembled at a front end 10a of the housing 10, the front end of the second rotating shaft 31 is fixedly connected with the barrel 33, the second rotating shaft 31 is disposed outside the barrel 33 and is coaxially abutted with a rear end of the first rotating shaft 21 in a disconnected state, the second rotating shaft 31 is rotatably assembled at the housing 10, so that the first rotor 20 is rotatably assembled at a high speed with the first rotating shaft 31 and the first rotating shaft 33 is not exposed to the housing 30 by the first rotating shaft 33. More specifically, the following is:
as shown in fig. 1 and 2, the dual-rotor three-phase asynchronous motor 1 of the present utility model further includes a heat sink 40, wherein the heat sink 40 is disposed at the outer side of the cylinder 33 to better dissipate heat of the first rotor 20 and the second rotor 30, and the inner wall of the housing 10 is spaced from the heat sink 40 to avoid operational interference between the heat sink 40 and the housing 10 when the heat sink 40 rotates along with the second rotor 30. Preferably, a plurality of cooling fins 40 are disposed at intervals on the cylinder 33 along the circumferential direction of the first rotating shaft 21, so as to further improve the heat dissipation capability of the cooling fins 40 to the first rotor 20 and the second rotor 30.
As shown in FIGS. 1 and 2, the first shaft 21 and the housing 10 are arranged non-concentrically such that the axis O of the first shaft 21 is 2 An axis O located in the housing 10 1 Directly below (the center line) to reduce the distance of the first rotating shaft 21 relative to the bottom surface (mounting surface) of the housing 10, i.e., to reduce the center height of the double-rotor three-phase asynchronous motor 1 of the present utility model, as shown in fig. 1, to make the center height be equal to H 1 Reduced to H 2 。
As shown in fig. 1 and 2, the bottom 10c of the housing 10 is provided with an opening 13 for the heat sink 40 to pass therethrough, thereby facilitating the installation of the heat sink 40. The opening 13 is also provided with a shielding plate 50 which is separated from the radiating fins 40, and the shielding plate 50 is fixedly connected with the shell 10 so as to shield the opening 13 and prevent foreign matters or dust from entering the outside, and meanwhile, the inside of the shell 10 is also convenient to check and maintain.
As shown in fig. 1 and 2, the rear end 31b of the second rotating shaft 31 extends out of the housing 10, and preferably, the rear end cover 12 of the housing 10 is provided with a protective cover 60, the protective cover 60 is located behind the rear end 10b of the second rotating shaft 31, and the protective cover 60 and the rear end 10b of the housing 10 form a protective space 60a for the rear end 31b of the second rotating shaft 31 to pass through.
As shown in fig. 1, the housing 10 is provided with heat dissipation holes 14 for heat dissipation, and specifically, the heat dissipation holes 14 are provided at the front end cover 11 and the rear end cover 12 of the housing 10, respectively, to reduce entry of foreign matters or dust and to secure heat dissipation capability thereof.
In the drawings, O 1 Represents the central axis of the housing 10, O 2 Is the central axis of the first rotating shaft 21.
Compared with the prior art, since the dual-rotor three-phase asynchronous motor 1 of the utility model further comprises the cooling fins 40 arranged outside the cylinder 33, the cooling fins 40 are arranged on the cylinder 33 along the circumference of the first rotating shaft 21 at intervals, the inner wall of the shell 10 is arranged at intervals from the cooling fins 40, and the first rotating shaft 21 and the shell 10 are arranged in a non-concentric way, so that the axis O of the first rotating shaft 21 is 2 (center line) is located at the axis O of the housing 10 1 An opening 13 through which the cooling fin 40 passes is formed in the bottom 10c of the housing 10, a shielding plate 50 separated from the cooling fin 40 is further arranged at the opening 13, the shielding plate 50 is fixedly connected with the housing 10 and shields the opening 13, the distance H between the first rotating shaft and the bottom surface (mounting surface) of the housing is reduced, and the mounting space required by the first rotor 20, the second rotor 30 and the cooling fin 40 is ensured, so that the dual-rotor three-phase asynchronous motor 1 of the utility model has good heat dissipation and can ensure that the center of an output shaft of the dual-rotor three-phase asynchronous motor is high in accordance with national standards.
The foregoing disclosure is illustrative of the present utility model and is not to be construed as limiting the scope of the utility model, but is for the convenience of those skilled in the art to understand and practice the utility model, and therefore, equivalent variations to the appended claims are intended to be encompassed by the present utility model.
Claims (5)
1. The utility model provides a birotor three-phase asynchronous motor, includes shell, first rotor and second rotor respectively assemble in the shell, first rotor contains first pivot and first core winding, first core winding is located first pivot, the second rotor contains second pivot, second core winding and barrel, second core winding locates in the barrel, first rotor is located in the barrel, first pivot rotationally assemble in front end and the rear end of barrel, the front end of first pivot stretches out the shell, first pivot still rotationally assemble in the front end of shell, the front end of second pivot with barrel fixed connection, the second pivot be located the barrel is outer and with the coaxial butt joint that the rear end of first pivot is the disconnection, the second pivot rotationally assemble in the shell, characterized in that, the birotor three-phase asynchronous motor still including set up in the barrel is located in the first rotor, first pivot rotationally assemble in the front end of barrel and rear end of barrel, the front end of first pivot stretches out the shell, first pivot and front end of barrel are located in the first pivot and front end of barrel are located the shell, the first pivot is located the heat dissipation plate is located the first pivot is arranged in the opening is in the same as one side, the shell is parallel to the heat dissipation plate is separated to the second axis, the heat dissipation plate is arranged in the periphery of the shell and is kept away from the opening, and is equipped with the front of the shell, and is separated with the opening, and is parallel to the front to the opening.
2. The dual rotor three-phase asynchronous motor according to claim 1, wherein a rear end of the second rotating shaft protrudes out of the housing.
3. The dual rotor three phase asynchronous motor according to claim 2, wherein the rear end cover of the housing is provided with a protection cover, the protection cover is located at the rear of the rear end of the second rotating shaft, and a protection space for the rear end of the second rotating shaft to pass through is formed between the protection cover and the rear end of the housing.
4. The dual rotor three phase asynchronous motor according to claim 1, wherein the housing is provided with heat dissipation holes.
5. The dual rotor three phase asynchronous motor according to claim 4, wherein the heat dissipation holes are provided at a front end cover and a rear end cover of the housing, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320204399.XU CN219659510U (en) | 2023-02-10 | 2023-02-10 | Double-rotor three-phase asynchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320204399.XU CN219659510U (en) | 2023-02-10 | 2023-02-10 | Double-rotor three-phase asynchronous motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219659510U true CN219659510U (en) | 2023-09-08 |
Family
ID=87877333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320204399.XU Active CN219659510U (en) | 2023-02-10 | 2023-02-10 | Double-rotor three-phase asynchronous motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219659510U (en) |
-
2023
- 2023-02-10 CN CN202320204399.XU patent/CN219659510U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109194035A (en) | Motor with oil cooled system system | |
| CN212121675U (en) | Anti-channeling high-power main shaft | |
| CN108023441B (en) | Novel motor wind path structure | |
| CN219659510U (en) | Double-rotor three-phase asynchronous motor | |
| CN105024490A (en) | Integrated motor with impeller | |
| CN113890272A (en) | Oil-cooled stator structure, motor and vehicle | |
| WO2024207711A1 (en) | Oil cooling system for high-speed motor | |
| CN208534781U (en) | Electronic water pump | |
| CN207200403U (en) | A kind of fixed structure of motor stator core | |
| CN212935661U (en) | Motor with air cooling structure | |
| CN214412437U (en) | Improved water-cooling air-cooling magnetic suspension high-speed motor | |
| CN203180694U (en) | Motor dedicated for axial flow fan | |
| CN210518020U (en) | Motor with novel heat radiation structure | |
| CN213243737U (en) | External machine tool bearingless permanent magnet spindle | |
| CN113489192A (en) | Motor rotor and motor | |
| CN110868001B (en) | Permanent magnet motor | |
| CN209375321U (en) | A kind of radiator structure of external rotor electric machine | |
| CN209140502U (en) | A kind of main shaft bearing inner ring cooling structure | |
| CN110729857A (en) | Automobile range extender | |
| CN105186760A (en) | Mounting structure of motor bearings, and motor | |
| CN201639411U (en) | Lightweight fully enclosed motor housing | |
| CN216162561U (en) | Oil-cooled stator structure, motor and vehicle | |
| CN215344143U (en) | Motor rotor and motor | |
| CN215733791U (en) | External rotor motor | |
| CN218633607U (en) | High-voltage fixed slip ring motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |