CN220570442U - Double-air-gap solid rotor asynchronous motor - Google Patents
Double-air-gap solid rotor asynchronous motor Download PDFInfo
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- CN220570442U CN220570442U CN202322055780.7U CN202322055780U CN220570442U CN 220570442 U CN220570442 U CN 220570442U CN 202322055780 U CN202322055780 U CN 202322055780U CN 220570442 U CN220570442 U CN 220570442U
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- 239000007787 solid Substances 0.000 title claims abstract description 22
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- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- 239000004020 conductor Substances 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 3
- 230000017525 heat dissipation Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 230000009471 action Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
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- 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)
Abstract
The utility model discloses a double-air-gap solid rotor asynchronous motor, which comprises a rotor frame, wherein a bearing seat is arranged in the rotor frame and is rotationally connected with the rotor frame through an upper bearing seat, a left bearing and a right bearing are respectively arranged between two sides of the bearing seat and the rotor frame, a stator is fixedly arranged on the bearing seat, the stator penetrates through the interior of the rotor frame and extends to the exterior of the rotor frame to be fixedly connected with a stator seat, a left rotor core and a right rotor core are arranged in the rotor frame, the stator is positioned between the left rotor core and the right rotor core, a left rotor coil is arranged on the left rotor core, and a right rotor coil is arranged on the right rotor core.
Description
Technical Field
The utility model relates to the technical field of asynchronous motors, in particular to a double-air-gap solid rotor asynchronous motor.
Background
An asynchronous motor is also called an induction motor, and is an alternating current motor which generates electromagnetic torque by the interaction of an air gap rotating magnetic field and rotor winding induction current, so that the conversion of electromechanical energy into mechanical energy is realized.
The three-phase asynchronous motor is mainly used as a motor to drag various production machines, has simple structure, easy manufacture, low price, reliable operation, firmness and durability, higher operation efficiency and applicable working characteristics, is more suitable for high-speed operation because of no slip ring, no carbon brush and no permanent magnet compared with synchronous motors and direct current motors, but has large volume, heavy weight, low efficiency and poor heat dissipation effect in high-speed operation, and therefore, the double-air-gap solid rotor asynchronous motor is required to be improved.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a double-air-gap solid rotor asynchronous motor, which solves the existing problems.
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a double-air-gap solid rotor asynchronous motor, includes the rotor frame, the inside of rotor frame is provided with the bearing frame, the bearing frame passes through the bolster and rotates with the rotor frame to be connected, install left bearing and right bearing respectively between the both sides of bearing frame and the rotor frame, fixed mounting has the stator on the bearing frame, the stator runs through inside the rotor frame and extends to the outside and stator seat fixed connection of rotor frame, the internally mounted of rotor frame has left rotor core and right rotor core, the stator is located between left rotor core and the right rotor core, left rotor core upper winding has left rotor coil, right rotor core upper winding has right rotor coil, be provided with left air gap between left rotor core and the stator, be provided with right air gap between right rotor core and the stator, outer rectangular channel has been seted up to the periphery of rotor frame, circular logical groove has been seted up to the inside of rotor frame, the helical groove has been seted up to circular logical inslot.
Preferably, the widths of the left air gap and the right air gap are the same and symmetrically distributed on two sides of the stator.
Preferably, the stator is made of a magnetically conductive steel material or a non-magnetically conductive copper or aluminum material or a multi-layer composite of the magnetically conductive steel material and the non-magnetically conductive copper or aluminum material.
Preferably, the stator is provided with a through narrow groove to form a separated conducting bar.
Preferably, the ends of the conducting bars are short-circuited by good conductors.
Preferably, the number of the outer rectangular grooves is multiple, and the outer rectangular grooves are distributed on the outer peripheral wall of the rotor frame in an equidistant straight line mode.
Preferably, the number of the circular through grooves is multiple, the circular through grooves are distributed on the outer peripheral shell of the rotor frame in an equidistant straight line mode, and the spiral grooves are arranged on the inner wall of the circular through grooves in a spiral surrounding mode.
Advantageous effects
The utility model provides a double-air-gap solid rotor asynchronous motor. Compared with the prior art, the method has the following beneficial effects:
1. the double-air-gap solid rotor asynchronous motor is characterized in that a stator is additionally arranged on one side of a rotor of a single-stator single-rotor motor to form a double-air-gap motor with two stators and one rotor, and the solid rotor made of conductive materials is adopted.
2. This solid rotor asynchronous motor of two air gaps, through seting up outer rectangular channel at rotor frame periphery, set up circular logical groove in rotor frame inside, and set up the helicla flute that the spiral encircleed the setting at circular logical inslot wall, rotor frame casing outside is convenient for dispel the heat through outer rectangular channel increase radiating area in rotor frame motion in-process, thereby rotor frame inside air gets into circular logical inslot and has produced the spiral air current through following helicla movement and has increaseed rotor frame casing inside air current velocity of flow, rotor frame inside heat dissipation environment has been improved, thereby satisfy the performance requirement that this motor is more suitable for the operation under high speed.
Drawings
FIG. 1 is a schematic view of the appearance structure of the present utility model;
FIG. 2 is a schematic diagram of the overall structure of the present utility model;
FIG. 3 is a schematic view of a rotor frame structure according to the present utility model;
FIG. 4 is a schematic cross-sectional view of a circular through slot of the present utility model.
In the figure: 1. a rotor frame; 2. a bearing seat; 3. an upper bearing seat; 4. a left bearing; 5. a right bearing; 6. a stator; 7. a stator base; 8. a left rotor core; 9. a right rotor core; 10. a left rotor coil; 11. a right rotor coil; 12. a left air gap; 13. a right air gap; 14. an outer rectangular groove; 15. a circular through groove; 151. a spiral groove.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the present utility model provides two technical solutions:
embodiment one:
the utility model provides a double-air-gap solid rotor asynchronous motor, including rotor frame 1, rotor frame 1's inside is provided with bearing frame 2, bearing frame 2 rotates with rotor frame 1 through upper bearing frame 3 to be connected, install left bearing 4 and right bearing 5 respectively between the both sides of bearing frame 2 and the rotor frame 1, fixed mounting has stator 6 on the bearing frame 2, stator 6 runs through rotor frame 1 inside and extends to rotor frame 1 outside and stator seat 7 fixed connection, rotor frame 1's internally mounted has left rotor core 8 and right rotor core 9, stator 6 is located between left rotor core 8 and right rotor core 9, the winding has left rotor coil 10 on the left rotor core 8, the winding has right rotor coil 11 on the right rotor core 9, be provided with left air gap 12 between left rotor core 8 and the stator 6, be provided with right air gap 13 between right rotor core 9 and the stator 6, outer rectangular channel 14 has been seted up to rotor frame 1's inside, circular through-slot 15 has been seted up to the inner wall of circular through-slot 15 helical groove 151.
Embodiment two:
the double-air-gap solid rotor asynchronous motor comprises a rotor frame 1, wherein a bearing seat 2 is arranged in the rotor frame 1, the bearing seat 2 is rotationally connected with the rotor frame 1 through an upper bearing seat 3, a left bearing 4 and a right bearing 5 are respectively arranged between two sides of the bearing seat 2 and the rotor frame 1, a stator 6 is fixedly arranged on the bearing seat 2, the stator 6 is made of a magnetic conductive steel material or a non-magnetic conductive copper or aluminum material or a multilayer composite of the two materials, and the stator 6 is used for inducing current; the stator 6 is provided with a through narrow groove to form a root isolated conducting bar, the end parts of the conducting bars are in short circuit by adopting good conductors, the stator 6 is provided with a through narrow groove to form a root isolated conducting bar, and eddy current is reduced; the stator 6 penetrates through the interior of the rotor frame 1 and extends to the exterior of the rotor frame 1 to be fixedly connected with the stator seat 7, a left rotor core 8 and a right rotor core 9 are arranged in the interior of the rotor frame 1, the stator 6 is positioned between the left rotor core 8 and the right rotor core 9, a left rotor coil 10 is wound on the left rotor core 8, a right rotor coil 11 is wound on the right rotor core 9, a left air gap 12 is arranged between the left rotor core 8 and the stator 6, a right air gap 13 is arranged between the right rotor core 9 and the stator 6, the widths of the left air gap 12 and the right air gap 13 are the same and symmetrically distributed on two sides of the stator 6, and the motor capacity is increased but the number of structural members is small; the outer circumference of the rotor frame 1 is provided with a plurality of outer rectangular grooves 14, the outer rectangular grooves 14 are distributed on the outer circumferential wall of the rotor frame 1 in an equidistant straight line manner, and the heat dissipation area of the outer surface of the rotor frame 1 is increased so as to facilitate heat dissipation; the inside of rotor frame 1 has been seted up circular logical groove 15, circular logical groove 15 inner wall has been seted up helical groove 151, the quantity of circular logical groove 15 sets up to a plurality ofly, circular logical groove 15 equidistant straight line distributes on rotor frame 1 periphery casing, helical groove 151 is the spiral and encircles the setting at circular logical groove 15 inner wall, thereby the air gets into circular logical inslot 15 and has produced helical air current through following helical groove 151 helical movement and has increaseed rotor frame 1 inside air current velocity of flow, rotor frame 1 inside heat dissipation environment has been improved, thereby satisfy the performance requirement that this motor is more suitable for the operation under high speed.
When the double-air-gap solid rotor asynchronous motor is used, one stator is additionally arranged on one side of a rotor of a single-stator single-rotor motor to form a double-air-gap motor with two stators and one rotor, and the solid rotor made of conductive materials is adopted; in addition, the outer rectangular groove 14 is formed in the periphery of the rotor frame 1, the circular through groove 15 is formed in the rotor frame 1, the spiral groove 151 which is spirally and circumferentially arranged is formed in the inner wall of the circular through groove 15, the heat dissipation area is increased outside the rotor frame 1 shell through the outer rectangular groove 14 in the moving process of the rotor frame 1 so as to facilitate heat dissipation, meanwhile, air in the rotor frame 1 enters the circular through groove 15 and spiral air flow is generated through spiral movement along the spiral groove 151, so that the air flow velocity in the rotor frame 1 shell is increased, the heat dissipation environment in the rotor frame 1 is improved, and the motor is more suitable for the performance requirement of running at high speed.
And all that is not described in detail in this specification is well known to those skilled in the art.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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. The utility model provides a double air gap solid rotor asynchronous motor, includes rotor frame (1), its characterized in that: the inside of rotor frame (1) is provided with bearing frame (2), bearing frame (2) are connected with rotor frame (1) rotation through upper bearing frame (3), install left bearing (4) and right bearing (5) respectively between the both sides of bearing frame (2) and rotor frame (1), fixed mounting has stator (6) on bearing frame (2), stator (6) run through inside rotor frame (1) and extend to rotor frame (1) outside and stator seat (7) fixed connection, the internally mounted of rotor frame (1) has left rotor core (8) and right rotor core (9), stator (6) are located between left rotor core (8) and right rotor core (9), winding has left rotor coil (10) on left rotor core (8), winding has right rotor coil (11) on right rotor core (9), be provided with left air gap (12) between left rotor core (8) and stator (6), be provided with right air gap (13) between right rotor core (9) and stator (6), rotor frame (1) circumference is seted up rectangular channel (14) outside rotor frame (1), spiral grooves (151) are formed in the inner wall of the circular through groove (15).
2. A double air gap solid rotor asynchronous motor as claimed in claim 1 wherein: the left air gap (12) and the right air gap (13) have the same width and are symmetrically distributed on two sides of the stator (6).
3. A double air gap solid rotor asynchronous motor as claimed in claim 1 wherein: the stator (6) adopts magnetic conduction steel materials or non-magnetic conduction copper and aluminum materials or a multilayer composite body of the magnetic conduction steel materials and the non-magnetic conduction copper and aluminum materials.
4. A double air gap solid rotor asynchronous motor as claimed in claim 1 wherein: the stator (6) is provided with a through narrow groove to form a separated conducting bar.
5. The double air gap solid rotor asynchronous machine of claim 4 wherein: and the end parts of the conducting bars are short-circuited by good conductors.
6. A double air gap solid rotor asynchronous motor as claimed in claim 1 wherein: the number of the outer rectangular grooves (14) is multiple, and the outer rectangular grooves (14) are distributed on the outer peripheral wall of the rotor frame (1) in an equidistant straight line mode.
7. A double air gap solid rotor asynchronous motor as claimed in claim 1 wherein: the number of the circular through grooves (15) is multiple, the circular through grooves (15) are distributed on the outer peripheral shell of the rotor frame (1) in an equidistant straight line mode, and the spiral grooves (151) are arranged on the inner wall of the circular through grooves (15) in a spiral surrounding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322055780.7U CN220570442U (en) | 2023-08-01 | 2023-08-01 | Double-air-gap solid rotor asynchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322055780.7U CN220570442U (en) | 2023-08-01 | 2023-08-01 | Double-air-gap solid rotor asynchronous motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220570442U true CN220570442U (en) | 2024-03-08 |
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ID=90093112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322055780.7U Active CN220570442U (en) | 2023-08-01 | 2023-08-01 | Double-air-gap solid rotor asynchronous motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220570442U (en) |
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2023
- 2023-08-01 CN CN202322055780.7U patent/CN220570442U/en active Active
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