CN209881513U - New forms of energy PMSM towards piece structure - Google Patents
New forms of energy PMSM towards piece structure Download PDFInfo
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- CN209881513U CN209881513U CN201920722296.6U CN201920722296U CN209881513U CN 209881513 U CN209881513 U CN 209881513U CN 201920722296 U CN201920722296 U CN 201920722296U CN 209881513 U CN209881513 U CN 209881513U
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Abstract
The utility model discloses a belongs to the motor punching sheet technical field, specifically is a new forms of energy PMSM punching sheet structure, including rotor punching sheet body, rotor shaft hole, louvre, fixed rod hole, magnetic steel groove, stator magnetic core, set up in the middle of the rotor punching sheet body the rotor shaft hole, the rotor shaft hole outside is equipped with the louvre with the fixed rod hole, rotor punching sheet body outer wall is equipped with the magnetic steel groove, magnetic steel groove outer wall is equipped with stator magnetic core, the utility model discloses structural design scientific and reasonable, rotor punching sheet body is low-loss silicon steel sheet 50W350, can improve the resistivity and the maximum permeability of iron, reduces coercive force, iron core loss and magnetic aging, stator magnetic core selects the silicon steel sheet that selects 0.5mm thick to fold to become, stator magnetic core outer wall is equipped with the recess, fixed rod hole and outside metal pole cooperation use have fixed effect to rotor punching sheet body, this device simple structure, the working efficiency is improved.
Description
Technical Field
The utility model relates to a motor is towards piece technical field, specifically is a new forms of energy PMSM towards piece structure.
Background
The permanent magnet synchronous motor is the basis of a plurality of high and new technologies and high and new technology industries, and can be combined with a power electronic technology and a microelectronic control technology to manufacture a plurality of novel electromechanical integration products and equipment with excellent performance, which represents the development direction of the motor in the 21 st century, and along with the gradual shift of the application market of the motor products to a high-end market, the development of the high-end market also puts higher requirements on the performance of the motor products, therefore, motor enterprises need to master a high-performance magnetic material technology urgently, the product quality is improved and improved by upgrading, the rotor punching sheet of the permanent magnet motor which is commonly used at present is low in overload capacity due to the unreasonable design of the rotor punching sheet, so that the permanent magnet motor is frequently lost and burnt, the permanent magnet motor runs unstably under a variable frequency speed governor, and the magnetic steel generates cracks to reduce the power factor of the permanent magnet motor, armature current is increased, stator copper consumption is increased, heat dissipation efficiency is reduced, power saving effect is not ideal, and electromotive force is reduced in operation, so that active power saving rate is reduced.
SUMMERY OF THE UTILITY MODEL
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the invention.
In view of the above-mentioned and/or the problem that exists among the current new forms of energy PMSM towards piece structure, provided the utility model discloses.
Therefore, the utility model aims at providing a new forms of energy PMSM towards piece structure can solve the radiating efficiency that the aforesaid provided and reduce, economize on electricity the effect owes the ideal, and the electromotive force descends in service, leads to the problem that active power saving rate descends.
For solving the technical problem, according to the utility model discloses an aspect, the utility model provides a following technical scheme:
the utility model provides a new forms of energy PMSM towards piece structure, it includes: rotor towards lamellar body, rotor shaft hole, louvre, fixed rod hole, magnetism steel slot, stator magnetism pistil, set up in the middle of the rotor towards the lamellar body the rotor shaft hole, the rotor shaft hole outside is equipped with the louvre with the fixed rod hole, the rotor towards lamellar body outer wall and is equipped with magnetism steel slot, magnetism steel slot outer wall is equipped with stator magnetism pistil.
As a new forms of energy PMSM towards sheet structure an preferred scheme, wherein: the magnetic steel grooves are circumferentially arranged on the outer wall of the rotor punching body, and a magnetism isolating groove is arranged between the two groups of magnetic steel grooves.
As a new forms of energy PMSM towards sheet structure an preferred scheme, wherein: the heat dissipation holes and the fixing rod holes are uniformly arranged on the rotor punching body in a circumferential mode in a crossed mode.
As a new forms of energy PMSM towards sheet structure an preferred scheme, wherein: the inner side of the stator magnetic core is provided with uniform rectangular grooves at equal intervals, and the outer wall of the stator magnetic core is provided with a groove.
As a new forms of energy PMSM towards sheet structure an preferred scheme, wherein: the rotor punching sheet body adopts a low-loss silicon steel sheet 50W 350.
Compared with the prior art: this kind of new forms of energy PMSM towards piece structure, the rotor is towards the lamellar body and is 50W350 for low-loss silicon steel sheet, can improve the resistivity and the maximum permeability of iron, reduce coercive force, iron core loss (iron loss) and magnetic aging, stator magnetic core chooses for use the silicon steel sheet of 0.5mm thickness to fold, stator magnetic core outer wall is equipped with the recess, it has the fixed action to fold the silicon steel sheet, the rectangular channel that stator magnetic core was seted up can cut the magnetic line of force, the seting up of magnetic steel groove can reduce stator copper loss with the cooperation of rotor towards the lamellar body use, increase the speed of electromotive force in service, seting up of louvre has the radiating effect to the rotor towards the lamellar body, the fixed rod hole is used with the cooperation of outside metal pole to have the fixed effect to the rotor towards the lamellar body, this device simple structure.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and detailed embodiments, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor. Wherein:
fig. 1 is a schematic view of the present invention.
In the figure, 100 rotor punching sheet bodies, 200 rotor shaft holes, 300 heat dissipation holes, 400 fixing rod holes, 500 magnetic steel grooves, 510 magnetism isolating grooves, 600 stator magnetic cores and 610 grooves are arranged.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways than those specifically described herein, and one skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Next, the present invention will be described in detail with reference to the schematic drawings, and in the detailed description of the embodiments of the present invention, for convenience of explanation, the sectional view showing the device structure will not be enlarged partially according to the general scale, and the schematic drawings are only examples, and should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.
In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
The utility model provides a new forms of energy PMSM lamination structure, has the advantages of reducing copper consumption, improving the electric tendency of movement, please refer to fig. 1, including rotor lamination body 100, rotor shaft hole 200, louvre 300, fixed rod hole 400, magnet steel groove 500, stator magnetic core 600;
referring to fig. 1, a rotor shaft hole 200 is formed in the middle of the rotor sheet 100, specifically, the diameter of the rotor sheet 100 is phi 134 to 134.03mm, and the rotor sheet 100 has an installation effect on the stator magnetic core 600.
Referring to fig. 1 again, the rotor shaft hole 200 is formed on the rotor sheet body 100, specifically, the rotor shaft hole 200 may be externally connected with a shaft rod, and the rotor shaft hole 200 is used to output the acting force through the shaft rod externally connected with the rotor shaft hole 200 by matching the magnetic steel installed in the magnetic steel groove 500 with the stator magnetic core 600.
Referring to fig. 1, the heat dissipation holes 300 are formed in the rotor punching sheet body 100, and specifically, the heat dissipation holes 300 are six and uniformly arranged on the rotor punching sheet body 100 at equal intervals, and the heat dissipation holes 300 have a heat dissipation function on the rotor punching sheet body 100.
Referring to fig. 1 again, the fixing rod holes 400 are formed in the rotor punching body 100, specifically, twelve fixing rod holes 400 are circumferentially distributed on the rotor punching body 100, the fixing rod holes 400 mainly function to stack a plurality of rotor punching bodies together for fixing installation through the cooperation of external metal rods, and the fixing rod holes 400 have a fixing function on the rotor punching body.
Referring to fig. 1, the magnetic steel slots 500 are disposed on the periphery of the rotor punching body 100, specifically, the magnetic steel slots 500 have a width of 4.3 to 4.35mm and a circular arc length of 22.2 to 22.3mm, and are circumferentially distributed on the periphery of the rotor punching body 100, a magnetic isolation slot 510 is disposed between two sets of magnetic steel slots 500, the magnetic isolation slot 510 is used for isolating the magnetic steel slots 500, and the magnetic steel slots 500 have an installation effect on magnetic steel.
Referring to fig. 1 again, the stator magnetic core 600 is disposed outside the magnetic steel slot 500, specifically, the stator magnetic core 600 is used as a part of the magnetic circuit of the motor and is used for placing the stator winding, in order to reduce eddy current and hysteresis loss caused by alternating magnetic potential in the core, the stator magnetic core 600 is formed by stacking silicon steel sheets with a thickness of 0.5mm, the stator magnetic core 600 is used by matching magnetic steel installed in the magnetic steel slot 500 to generate a magnetic field for working, the outer wall of the stator magnetic core 600 is provided with a groove 610, and the groove 610 has a positioning function when the silicon steel sheets are stacked.
The fixing rod hole 400 and the stator core 600 are made of a metal material.
When the permanent magnet synchronous motor is used specifically, the stator magnetic core 600 is formed by laminating stamped sheets, neodymium iron boron permanent magnets are filled in the stator magnetic core 600, aluminum-shaped rectangular grooves are cast simultaneously, after the magnetic steel is installed in the magnetic steel groove 500, a copper wire is wound on the outer wall of the magnetic steel, and an alternating current is introduced, a circular rotating magnetic field can be formed, a rotor of the motor at the moment is static, the rectangular grooves formed in the stator magnetic core 600 can cut magnetic lines of force, the alternating current is induced to form an alternating magnetic field, the alternating magnetic field acts with the magnetic field of the magnetic steel, the rotor punching body 100 starts to rotate, when the rotating speed of the rotor punching body 100 is close to the synchronous rotating speed, induced currents are not generated in the stator magnetic core 600 any more, but the permanent magnets of the magnetic steel form.
In order to make this device stable use, magnet steel groove 500 circumference is arranged and is being dashed the lamellar body 100 outer wall at the rotor, and is two sets of magnet steel groove 500 middle part is equipped with magnetism isolating groove 510, and is concrete, and magnetism isolating groove 510 width and length are 3.80 ~ 3.85mm, and magnetism isolating groove 510's effect is separating magnet steel groove 500, prevents that the lateral wall of every magnet steel from receiving the unable normal work of influence of magnetic force.
Referring to fig. 1, in order to prevent the stator magnetic core 600 from being fixed during installation, a rectangular groove with uniform equal intervals is formed in the inner side of the stator magnetic core 600, a groove 610 is formed in the outer wall of the stator magnetic core 600, specifically, the stator magnetic core 600 is formed by stacking silicon steel sheets with the thickness of 0.5mm, the groove 610 is formed in the outer wall of the stator magnetic core 600, each piece of silicon steel can be positioned through the groove 610 during stacking, and the groove 610 has a fixing position effect on the stator magnetic core 600.
Referring to fig. 1, in order to prevent the uneven heat dissipation of the rotor punching sheet body 100, the heat dissipation holes 300 and the fixing rod holes 400 are arranged on the rotor punching sheet body 100 in a crossed and circumferential manner, specifically, the heat dissipation holes 300 are six and are all through holes, when the rotor punching sheet body 100 rotates under the action of a magnetic field, heat generated by friction can be dissipated through the heat dissipation holes 300, and the heat dissipation holes 300 have a heat dissipation effect on the rotor punching sheet body 100.
Referring to fig. 1, the rotor sheet body 100 is a low-loss silicon steel sheet 50W350, 50W350 silicon steel sheet, which is a ferrosilicon soft magnetic alloy with very low carbon content, generally containing 0.5-4.5% of silicon, and adding silicon can improve the resistivity and maximum permeability of iron, reduce the coercive force, iron core loss (iron loss) and magnetic aging.
While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, as long as there is no structural conflict, the various features of the disclosed embodiments of the present invention can be used in any combination with each other, and the non-exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (5)
1. The utility model provides a new forms of energy PMSM towards piece structure which characterized in that includes: rotor towards lamellar body (100), rotor shaft hole (200), louvre (300), fixed rod hole (400), magnet steel groove (500), stator magnetic core (600), set up in the middle of rotor towards lamellar body (100) rotor shaft hole (200), rotor shaft hole (200) outside is equipped with louvre (300) with fixed rod hole (400), rotor towards lamellar body (100) outer wall is equipped with magnet steel groove (500), magnet steel groove (500) outer wall is equipped with stator magnetic core (600).
2. The new energy permanent magnet synchronous motor punching sheet structure according to claim 1, characterized in that the magnetic steel grooves (500) are circumferentially arranged on the outer wall of the rotor punching sheet body (100), and a magnetic isolation groove (510) is arranged between two groups of magnetic steel grooves (500).
3. The new energy permanent magnet synchronous motor punching sheet structure according to claim 1, wherein the heat dissipation holes (300) and the fixing rod holes (400) are circumferentially arranged on the rotor punching sheet body (100) in a crossed manner.
4. The new energy permanent magnet synchronous motor punching structure according to claim 1, characterized in that the inner side of the stator magnetic core (600) is provided with uniform rectangular slots with equal intervals, and the outer wall of the stator magnetic core (600) is provided with a groove (610).
5. The new energy permanent magnet synchronous motor punching structure according to claim 1, wherein the rotor punching body (100) is a low-loss silicon steel sheet 50W 350.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920722296.6U CN209881513U (en) | 2019-05-20 | 2019-05-20 | New forms of energy PMSM towards piece structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920722296.6U CN209881513U (en) | 2019-05-20 | 2019-05-20 | New forms of energy PMSM towards piece structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209881513U true CN209881513U (en) | 2019-12-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920722296.6U Active CN209881513U (en) | 2019-05-20 | 2019-05-20 | New forms of energy PMSM towards piece structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209881513U (en) |
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2019
- 2019-05-20 CN CN201920722296.6U patent/CN209881513U/en active Active
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