CN212784918U - Stator and rotor structure of permanent magnet motor - Google Patents
Stator and rotor structure of permanent magnet motor Download PDFInfo
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- CN212784918U CN212784918U CN202021518459.8U CN202021518459U CN212784918U CN 212784918 U CN212784918 U CN 212784918U CN 202021518459 U CN202021518459 U CN 202021518459U CN 212784918 U CN212784918 U CN 212784918U
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- punching sheet
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- protective housing
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Abstract
The utility model discloses a permanent-magnet machine stator-rotor structure, including protective housing, protective housing's one end fixed mounting has the erection joint seat, the outside fixed mounting of erection joint seat has spacing connecting seat, the outside fixed mounting of spacing connecting seat has the erection joint axle, protective housing's inboard movable mounting has the stator towards the piece, the inboard reservation of stator towards the piece has the erection joint hole, movable mounting has the rotor towards the piece in the erection joint hole, the magnet steel mounting groove has been seted up towards the interior division of piece to the stator, the intercommunication groove has been seted up in the magnet steel mounting groove, the reservation has connect the hole towards the interior division of piece to the rotor, the fretwork groove has been seted up towards the interior division of piece to the rotor, the. This permanent-magnet machine stator-rotor structure, whole device structure is relatively simpler, the better use work that uses, the moment increase of motor during operation, stable performance, noise are little, high torque occasionally at the low-speed to and have wide range speed control range.
Description
Technical Field
The utility model relates to a permanent-magnet machine technical field specifically is a permanent-magnet machine stator-rotor structure.
Background
The permanent magnet motor provides excitation by the permanent magnet, so that the motor has simpler structure, reduces the processing and assembling cost, the motor saves a collecting ring and an electric brush which are easy to cause problems, improves the efficiency and the power density of the motor because of no need of exciting current and no exciting loss, mainly comprises a stator, a rotor, an end cover and other parts, the stator is formed by laminating laminations to reduce the iron loss generated when the motor runs, in which a three-phase alternating current winding, called armature, is housed, which can be made in solid form or by lamination, the permanent magnet motor is divided into a protruding type structure and a built-in type structure according to different positions of the permanent magnet material on the motor rotor, the protruding type rotor has a simple magnetic circuit structure and low manufacturing cost, but the asynchronous starting cannot be realized because the starting winding cannot be installed on the surface of the protruding type rotor.
However, when the permanent magnet motor in the existing market is used, the problem that the working efficiency of the permanent magnet motor is low exists, when the permanent magnet motor works, the permanent magnet motor can only reach seventy-five percent of the power of the permanent magnet motor, certain resource waste exists, the moment of equipment can be reduced, the power factor is delayed, the light-load power factor is low, the speed regulation performance is poor, the use range of the whole device is reduced, the use requirement can not be met, and the cost input in use is increased.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a permanent-magnet machine stator-rotor structure, in order to solve the permanent-magnet machine who proposes in the above-mentioned background art on the current market when using, there is the lower problem of self work efficiency, in work, it can only reach seventy-five percent of its self power, there is certain wasting of resources, the moment that can cause equipment simultaneously diminishes, power factor lags behind, underloaded power factor is low, the speed governing performance is poor slightly, the application range who causes whole device diminishes, the unable needs that satisfy the use, the problem of cost input when using has been increased.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a permanent-magnet machine stator-rotor structure, includes protective housing, protective housing's one end fixed mounting has the erection joint seat, the outside fixed mounting of erection joint seat has spacing connecting seat, the outside fixed mounting of spacing connecting seat has the installation connecting axle, protective housing's inboard movable mounting has the stator towards the piece, the inboard reservation of stator towards the piece has the erection joint hole, movable mounting has the rotor towards the piece in the erection joint hole, the stator has seted up the magnet steel mounting groove towards the piece, the intercommunication groove has been seted up in the magnet steel mounting groove, the reservation has connect hole towards the piece in the rotor towards the piece, the fretwork groove has been seted up towards the piece to the rotor, the interior wiring groove that.
Preferably, protective housing is cylindrical structural design, and protective housing is last the symmetry to be provided with two erection joint seats and spacing connecting seat to the size of spacing connecting seat is less than the size of erection joint seat, and the size of spacing connecting seat is greater than the size of installation connecting axle.
Preferably, the stator punching sheet is designed to be of a cylindrical structure, the size of the stator punching sheet is matched with the inner diameter of the protective shell, twelve magnetic steel mounting grooves are symmetrically formed in the stator punching sheet, and the magnetic steel mounting grooves are designed to be of a trapezoidal structure.
Preferably, the size of the mounting connecting hole is matched with the size of the rotor punching sheet, and a certain gap exists between the rotor punching sheet and the mounting connecting hole.
Preferably, the rotor punching sheet is designed to be a cylindrical structure, four hollow grooves are symmetrically formed in the rotor punching sheet, and the size of the connecting through hole in the rotor punching sheet is matched with the size of the mounting connecting shaft.
Preferably, fourteen winding slots are symmetrically arranged on the rotor punching sheet, the winding slots are designed in a rectangular structure, and the positions of the winding slots correspond to the size and the position of the hollow-out slot.
Compared with the prior art, the beneficial effects of the utility model are that:
1. according to the permanent magnet motor stator and rotor structure, a plurality of rotor sheets with the same structure are added, the plurality of groups of magnetic blocks with the same structure are used, and the different numbers of the magnetic blocks are combined for use, so that the permanent magnet motor stator and rotor structure can be better used, and the use effect of equipment is improved;
2. the permanent magnet motor stator and rotor structure is additionally provided with a plurality of groups of mutually symmetrical winding slots, so that the mounting work can be better carried out, the working efficiency of the whole machine is increased, and the bearing of the rotor is inserted into the middle of the stator to work, so that the working torque intensity is improved;
3. this permanent-magnet machine stator-rotor structure, whole device structure is relatively simpler, can be better use the work, the moment increase of motor during operation, stable performance, noise are little, high torque occasionally at the low-speed to and have wide range speed control range.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
fig. 3 is a schematic structural view of the stator punching sheet of the present invention;
fig. 4 is the structure diagram of the rotor sheet of the present invention.
In the figure: 1. a protective housing; 2. mounting a connecting seat; 3. a limiting connecting seat; 4. mounting a connecting shaft; 5. stator punching sheets; 6. mounting a connecting hole; 7. rotor punching sheets; 8. a magnetic steel mounting groove; 9. a communicating groove; 10. a connecting through hole; 11. hollowing out the grooves; 12. a winding slot.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a permanent magnet motor stator and rotor structure comprises a protective shell 1, wherein one end of the protective shell 1 is fixedly provided with an installation connecting seat 2, the outer side of the installation connecting seat 2 is fixedly provided with a limit connecting seat 3, the outer side of the limit connecting seat 3 is fixedly provided with an installation connecting shaft 4, the inner side of the protective shell 1 is movably provided with a stator punching sheet 5, the inner side of the stator punching sheet 5 is reserved with an installation connecting hole 6, a rotor punching sheet 7 is movably arranged in the installation connecting hole 6, a magnetic steel installation groove 8 is formed in the stator punching sheet 5, a communicating groove 9 is formed in the magnetic steel installation groove 8, a connecting through hole 10 is reserved in the rotor punching sheet 7, a hollow groove 11 is formed in the rotor punching sheet 7;
furthermore, the protective shell 1 is designed to be a cylindrical structure, two installation connecting seats 2 and two limit connecting seats 3 are symmetrically arranged on the protective shell 1, the size of each limit connecting seat 3 is smaller than that of the installation connecting seat 2, and the size of each limit connecting seat 3 is larger than that of the installation connecting shaft 4, so that the installation and connection work can be better carried out;
furthermore, the stator punching sheet 5 is designed to be of a cylindrical structure, the size of the stator punching sheet 5 is matched with the inner diameter of the protective shell 1, twelve magnetic steel mounting grooves 8 are symmetrically formed in the stator punching sheet 5, and the magnetic steel mounting grooves 8 are designed to be of a trapezoidal structure, so that the stator punching sheet can be better used;
furthermore, the size of the mounting connecting hole 6 is matched with that of the rotor punching sheet 7, and a certain gap exists between the rotor punching sheet 7 and the mounting connecting hole 6, so that the movement can be better carried out, and the stability of the equipment is ensured;
furthermore, the rotor punching sheet 7 is designed to be of a cylindrical structure, four hollow grooves 11 are symmetrically formed in the rotor punching sheet 7, and the size of a connecting through hole 10 in the rotor punching sheet 7 is matched with that of the mounting connecting shaft 4, so that the overall difficulty in mounting is reduced;
further, fourteen wire winding grooves 12 are symmetrically arranged on the rotor punching sheet 7, the wire winding grooves 12 are designed to be rectangular structures, the positions of the wire winding grooves 12 correspond to the size and the position of the hollow groove 11, and wire winding work can be better installed.
The working principle is as follows: when using, earlier carry out the work of installing whole device, after installation work is accomplished, the work of using, power through the switch-on equipment, the starting equipment, the work of connecting is carried out through installation connecting axle 4 on erection joint seat 2, after the connecting equipment is accomplished, inside stator punching 5 and rotor punching 7 can cooperate the work of carrying out the pivoted in the time of work, and when carrying out work, combine magnet steel mounting groove 8 and wire winding groove 12 to carry out work, better the use, whole device structure is relatively fairly simple, can be better use the work, the moment increase of motor during operation, stable performance, the noise is little, high torque occasionally at low speed, and there is wide range of speed control.
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 invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a permanent-magnet machine decides rotor structure, includes protective housing, its characterized in that: the utility model discloses a rotor punching sheet, including protective housing, stator punching sheet, rotor, mounting connecting shaft, mounting connecting seat, mounting connecting shaft, stator punching sheet, rotor punching sheet, connecting hole, fretwork groove, winding groove, rotor punching sheet, rotor and stator core, protective housing's one end fixed mounting has the mounting connecting seat, the outside fixed mounting of mounting connecting seat has the mounting connecting shaft, protective housing's inboard movable mounting has the stator punching sheet, the inboard reservation of stator punching sheet has the mounting connecting hole, movable mounting has the rotor punching sheet in the mounting connecting hole, the magnet steel mounting groove.
2. The permanent magnet motor stator-rotor structure according to claim 1, wherein: the protective housing is of a cylindrical structural design, two installation connecting seats and a limiting connecting seat are symmetrically arranged on the protective housing, the size of the limiting connecting seat is smaller than that of the installation connecting seats, and the size of the limiting connecting seat is larger than that of the installation connecting shaft.
3. The permanent magnet motor stator-rotor structure according to claim 1, wherein: the stator punching sheet is designed into a cylindrical structure, the size of the stator punching sheet is matched with the inner diameter of the protective shell, twelve magnetic steel mounting grooves are symmetrically formed in the stator punching sheet, and the magnetic steel mounting grooves are designed into a trapezoidal structure.
4. The permanent magnet motor stator-rotor structure according to claim 1, wherein: the size of the mounting connecting hole is matched with that of the rotor punching sheet, and a certain gap exists between the rotor punching sheet and the mounting connecting hole.
5. The permanent magnet motor stator-rotor structure according to claim 1, wherein: the rotor punching sheet is designed to be of a cylindrical structure, four hollow grooves are symmetrically formed in the rotor punching sheet, and the size of the connecting through hole in the rotor punching sheet is matched with the size of the mounting connecting shaft.
6. The permanent magnet motor stator-rotor structure according to claim 1, wherein: fourteen winding grooves are symmetrically arranged on the rotor punching sheet, the winding grooves are designed to be rectangular in structure, and the positions of the winding grooves correspond to the size and the position of the hollow-out groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021518459.8U CN212784918U (en) | 2020-07-28 | 2020-07-28 | Stator and rotor structure of permanent magnet motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021518459.8U CN212784918U (en) | 2020-07-28 | 2020-07-28 | Stator and rotor structure of permanent magnet motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212784918U true CN212784918U (en) | 2021-03-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021518459.8U Active CN212784918U (en) | 2020-07-28 | 2020-07-28 | Stator and rotor structure of permanent magnet motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212784918U (en) |
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2020
- 2020-07-28 CN CN202021518459.8U patent/CN212784918U/en active Active
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