CN112202303B - High-strength motor stator - Google Patents
High-strength motor stator Download PDFInfo
- Publication number
- CN112202303B CN112202303B CN202010857977.0A CN202010857977A CN112202303B CN 112202303 B CN112202303 B CN 112202303B CN 202010857977 A CN202010857977 A CN 202010857977A CN 112202303 B CN112202303 B CN 112202303B
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- Prior art keywords
- wall
- stator
- winding
- disc
- heat dissipation
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K16/00—Machines with more than one rotor or stator
- H02K16/02—Machines with one stator and two or more rotors
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/28—Layout of windings or of connections between windings
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/18—Casings or enclosures characterised by the shape, form or construction thereof with ribs or fins for improving heat transfer
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/22—Arrangements for cooling or ventilating by solid heat conducting material embedded in, or arranged in contact with, the stator or rotor, e.g. heat bridges
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The invention discloses a high-strength motor stator which comprises a shell, wherein a lower base is clamped outside the bottom end of the shell, a lower rotor disc is arranged on the inner wall of the bottom end of the lower base, a stator disc is arranged on the top of the lower rotor disc, an upper rotor disc is arranged on the outer wall of the top of the stator disc, the middle parts of the inner walls of the lower rotor disc and the upper rotor disc are connected with a same connecting shaft, a heat dissipation sliding ring is arranged on the outer wall of the stator disc, heat dissipation fins are annularly distributed on the outer wall of the shell at equal intervals, and fixing penetrating rods are annularly distributed on the outer edge of the shell close to the outer wall of the heat dissipation fins at equal intervals. The invention adopts six groups of coils which are arranged in a crossed way by adopting the magnetic pole polarities to form an inner three-phase winding and an outer three-phase winding, the inner three-phase winding and the outer three-phase winding are connected in parallel at the input end through the wiring terminal, the working voltage of the motor is reduced, and the electric energy loss is lower under the condition that the integral power is not changed.
Description
Technical Field
The invention relates to the technical field of motors, in particular to a high-strength motor stator.
Background
An electric Motor (Motor) is a device that converts electrical energy into mechanical energy. It mainly comprises an electromagnet winding or distributed stator winding for generating a magnetic field and a rotating armature or rotor. The rotating magnetic field is generated by the electrified coil and acts on the rotor to form magnetoelectric power rotating torque. The electric motors in the power system are mostly alternating current motors, which can be synchronous motors or asynchronous motors.
The motor mainly comprises a stator and a rotor, the direction of the forced movement of the electrified conducting wire in the magnetic field is related to the current direction and the direction of the magnetic induction wire, and the working principle is that the magnetic field acts on the current stress to enable the motor to rotate.
The stator is mainly responsible for generating a rotating magnetic field, the rotor is mainly used for being cut by magnetic lines in the rotating magnetic field to generate (output) current, and the existing stator consists of a stator core, a stator winding and a machine base.
The existing coreless motor has a crossed single-layer coil stator structure, but is annularly distributed by a plurality of coils and wire harnesses, and the winding rule and the heat dissipation effect of the coreless motor are poor, so that the coreless motor is not favorable for high-strength and high-speed operation of the motor.
Disclosure of Invention
Based on the technical problems in the prior art, the invention provides a high-strength motor stator.
The invention provides a high-strength motor stator, which comprises a shell, wherein a lower base is clamped on the outer wall of the bottom end of the shell, a lower rotor disc is arranged on the inner wall of the bottom end of the lower base, a stator disc is arranged on the top of the lower rotor disc, the outer wall of the top of the stator disc is provided with an upper rotor disc, the middle parts of the inner walls of the lower rotor disc and the upper rotor disc are connected with the same connecting shaft, the inner wall of the shell is provided with a heat dissipation sliding ring on the outer wall of the stator disc, heat dissipation fins are annularly distributed on the outer wall of the shell at equal intervals, and the outer wall of the shell body is provided with fixing penetrating rods at equal intervals and in an annular shape, which are close to the outer wall of the radiating fins, the outer wall of the top of the shell body is clamped with an upper sealing cover, the outer wall of the fixed penetrating rod is inserted and fixed between the outer wall of the upper sealing cover and the outer wall of the heat dissipation sliding ring, carbon conducting strips are vertically and annularly distributed on the inner wall of the heat dissipation sliding ring at equal intervals, and the outer walls of the two ends of the carbon guide strip are respectively connected on the outer walls of the lower rotor disc and the upper rotor disc in a sliding manner.
As a further scheme of the invention, the lower rotor disc and the upper rotor disc respectively comprise a lower rotor disc magnetic yoke, an upper rotor disc magnetic yoke and magnetic pole pieces, and the magnetic pole pieces are annularly distributed between the inner walls of the opposite sides of the lower rotor disc magnetic yoke and the upper rotor disc magnetic yoke at equal intervals.
As a further scheme of the invention, the stator disc comprises a winding disc body, an inner stator winding and an outer stator winding, winding slots are annularly distributed on the outer wall of the winding disc body at equal intervals, and the inner stator winding and the outer stator winding are annularly and concentrically distributed on the inner walls of the two sides of the winding slots at equal intervals.
As a further scheme of the invention, the windings of the inner stator winding and the outer stator winding are both wire frame structures with four rounded corners, and the sections of the inner stator winding and the outer stator winding are both attached to the winding disc body to form an arc structure.
As a further scheme of the invention, the outer wall of one side of the shell is connected with a terminal, and the inner wall of the terminal is connected with the outer wall of one side of the stator disc through a lead.
As a further scheme of the invention, the outer wall of the stator disc is provided with an encapsulation sleeve, and the encapsulation sleeve is made of an insulating material of epoxy resin.
The beneficial effects of the invention are as follows:
1. in the stator winding of the motor, six groups of coils are arranged in a magnetic pole polarity crossing manner to form an inner three-phase winding and an outer three-phase winding, the inner three-phase winding and the outer three-phase winding are connected in parallel at the input end through a wiring terminal, so that the working voltage of the motor is reduced, and the electric energy loss is lower under the condition that the integral power is not changed;
2. the rotor part in the motor is fixed on a rotor magnetic yoke through magnetic poles, in order to strengthen the magnetic field intensity and ensure uniform magnetic flux, the direction is vertical to a coil, an upper rotor magnetic pole disc and a lower rotor magnetic pole disc are adopted, the magnetic flux directions of the corresponding magnetic poles of the upper rotor disc and the lower rotor disc are the same, the coil in the stator is divided into stator windings on the inner side and the outer side, the stator windings are of a frame structure, the winding surfaces are obliquely arranged on a wire winding disc, inner and outer annular continuous magnetic flux surfaces can be formed, the inner wall and the outer wall of a magnetic pole piece are cut, the operation effect of the motor is improved, the change of the inner magnetic flux and the outer magnetic flux and the instability of induced current generated when the magnetic pole piece passes through the motor are ensured, the stability of the motor during rotation is improved, and further, the inner air gap cannot cause micro-motion due to high-speed rotation;
3. the inner side of the motor is provided with the heat dissipation sliding ring, and the outer side of the motor is provided with the heat dissipation fins, so that the heat dissipation effect of the inner wall and the outer wall of the whole motor is improved, and the temperature suppression of the whole motor in high-speed operation is ensured.
Drawings
Fig. 1 is a front view schematically illustrating a high strength motor stator according to the present invention;
fig. 2 is a schematic view of a stator structure of a high-strength motor stator according to the present invention;
FIG. 3 is a schematic structural diagram of a rotor disk of a high-strength motor stator according to the present invention;
fig. 4 is a schematic side view of a high-strength motor stator according to the present invention.
In the figure: the structure comprises a shell 1, an upper rotor disc 2, a wire winding groove 3, heat dissipation fins 4, a fixed penetrating rod 5, a stator disc 6, a heat dissipation sliding ring 7, an inner stator winding 8, an outer stator winding 9, an upper rotor disc magnetic yoke 10, a bearing seat 11, a magnetic pole piece 12, a connecting shaft 13, an upper cover 14 and a lower base 15.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-4, a high strength motor stator comprises a housing 1, a lower base 15 is fastened to the outer wall of the bottom end of the housing 1, a lower rotor disc is arranged on the inner wall of the bottom end of the lower base 15, a stator disc 6 is arranged on the top of the lower rotor disc, an upper rotor disc 2 is arranged on the outer wall of the top of the stator disc 6, the middle parts of the inner walls of the lower rotor disc and the upper rotor disc 2 are connected with a same connecting shaft 13, a heat dissipation sliding ring 7 is arranged on the outer wall of the stator disc 6 on the inner wall of the housing 1, heat dissipation fins 4 are annularly distributed on the outer wall of the housing 1 at equal intervals, fixing penetrating rods 5 are annularly distributed on the outer wall of the housing 1 at equal intervals near the heat dissipation fins 4, an upper sealing cover 14 is fastened to the outer wall of the top of the housing 1, the outer wall of the fixing penetrating rods 5 is fixedly inserted between the outer wall of the upper sealing cover 14 and the outer wall of the heat dissipation sliding ring 7, carbon guide strips are vertically and annularly distributed on the inner wall of the heat dissipation sliding ring 7 at equal intervals, the outer walls of two ends of the carbon conducting strip are respectively connected on the outer walls of the lower rotor disc and the upper rotor disc 2 in a sliding way, the lower rotor disc and the upper rotor disc 2 respectively comprise a lower rotor disc magnetic yoke, an upper rotor disc magnetic yoke 10 and magnetic pole pieces 12, the magnetic pole pieces 12 are annularly distributed between the inner walls of one opposite side of the lower rotor disc magnetic yoke and the upper rotor disc magnetic yoke 10 at equal intervals, the stator disc 6 comprises a winding disc body, an inner stator winding 8 and an outer stator winding 9, winding grooves 3 are annularly distributed on the outer wall of the winding disc body at equal intervals, the inner stator winding 8 and the outer stator winding 9 are annularly and concentrically distributed on the inner walls of two sides of the winding grooves 3 at equal intervals, the windings of the inner stator winding 8 and the outer stator winding 9 are both in a wire frame structure with four corners being chamfered, the sections of the inner stator winding 8 and the outer stator winding 9 are both attached to the winding disc body to form an arc structure, one side of the shell 1 is connected with a terminal, and the inner wall of the wiring end is connected with the outer wall of one side of the stator disc 6 through a conducting wire, the outer wall of the stator disc 6 is provided with a packaging sleeve, and the packaging sleeve is made of epoxy resin insulating materials.
In the invention, a motor stator is positioned between two rotor disks, then an upper cover 14 and a lower base 15 are sealed, the motor stator is fixed on a rotor magnetic yoke through a magnetic pole piece 12, in order to strengthen the magnetic field intensity and ensure the uniform magnetic flux, the direction is vertical to a coil, an upper rotor magnetic pole disk and a lower rotor magnetic pole disk are adopted, the magnetic flux directions of corresponding magnetic poles of the upper rotor disk and the lower rotor disk are the same, the coil in the stator is divided into an inner stator winding 8 and an outer stator winding 9, the stator winding is in a frame structure, the winding surface is obliquely arranged on a winding disk, an inner annular continuous magnetic flux surface and an outer annular continuous magnetic flux surface can be formed, the inner wall and the outer wall of the magnetic pole piece are induced by the current change of the coil, and the tangential driving force of the inner side and the outer side improves the rotation of the integral connecting shaft.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. The utility model provides a high strength motor stator, includes casing (1), its characterized in that, the bottom outer wall joint of casing (1) has lower base (15), and the bottom inner wall of lower base (15) is equipped with the lower rotor dish, the top of lower rotor dish is equipped with stator dish (6), and the top outer wall of stator dish (6) is equipped with upper rotor dish (2), the inner wall middle part of lower rotor dish and upper rotor dish (2) is connected with same connecting axle (13), the outer wall that the inner wall of casing (1) is located stator dish (6) is equipped with heat dissipation sliding ring (7), the outer wall equidistance annular distribution of casing (1) has heat dissipation fin (4), and the outer wall annular distribution of the outer wall that the outer wall of casing (1) is close to heat dissipation fin (4) has fixed wear pole (5), the top outer wall joint of casing (1) has upper seal cover (14), and the outer wall of fixed wear pole (5) is pegged graft and is fixed at upper seal cover (14) and heat dissipation sliding ring (7) Carbon guide strips are vertically and annularly distributed on the inner wall of the heat dissipation sliding ring (7) at equal intervals, and the outer walls of two ends of each carbon guide strip are respectively connected to the outer walls of the lower rotor disc and the upper rotor disc (2) in a sliding mode.
2. A high strength motor stator as claimed in claim 1, wherein said lower and upper rotor discs (2) comprise a lower rotor disc yoke, an upper rotor disc yoke (10) and pole pieces (12), respectively, said pole pieces (12) being annularly distributed at equal intervals between opposite inner walls of the lower and upper rotor disc yokes (10).
3. A high-strength motor stator according to claim 1, wherein said stator plate (6) comprises a winding plate body, an inner stator winding (8) and an outer stator winding (9), and the outer wall of the winding plate body is annularly provided with the winding slots (3) at equal intervals, and said inner stator winding (8) and said outer stator winding (9) are concentrically provided at equal intervals on the inner walls of the two sides of the winding slots (3).
4. A high-strength motor stator according to claim 3, wherein the windings of the inner stator winding (8) and the outer stator winding (9) are wire frame structures with four rounded corners, and the cross sections of the inner stator winding (8) and the outer stator winding (9) are both attached to the winding disc body to form an arc structure.
5. A high-strength stator for an electric motor according to claim 1, wherein a terminal is connected to an outer wall of one side of said housing (1), and an inner wall of the terminal is connected to an outer wall of one side of said stator plate (6) through a wire.
6. A high strength stator for an electric motor as claimed in claim 1, wherein the outer wall of said stator disc (6) is provided with an encapsulating cover made of insulating material of epoxy resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010857977.0A CN112202303B (en) | 2020-08-24 | 2020-08-24 | High-strength motor stator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010857977.0A CN112202303B (en) | 2020-08-24 | 2020-08-24 | High-strength motor stator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112202303A CN112202303A (en) | 2021-01-08 |
| CN112202303B true CN112202303B (en) | 2022-03-08 |
Family
ID=74004988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010857977.0A Active CN112202303B (en) | 2020-08-24 | 2020-08-24 | High-strength motor stator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112202303B (en) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009036034B4 (en) * | 2009-08-04 | 2011-07-07 | FEAAM GmbH, 85579 | Electric machine |
| DE102011078157A1 (en) * | 2011-06-28 | 2013-01-03 | Robert Bosch Gmbh | Electric machine e.g. brushless electric machine, for use in electrical power steering apparatus, has coil whose windings are wound around rotor poles, where one of coils in coil group has number of turns smaller than that of other coils |
| JP5789145B2 (en) * | 2011-07-13 | 2015-10-07 | オークマ株式会社 | Synchronous motor |
| CN205160315U (en) * | 2015-10-26 | 2016-04-13 | 深圳市捷鼎顺科技有限公司 | Disk permanent magnet generator |
| JP6653011B2 (en) * | 2016-02-25 | 2020-02-26 | 株式会社日立製作所 | Axial gap type rotary electric machine |
| CN209389891U (en) * | 2019-02-21 | 2019-09-13 | 郑州大学 | A kind of constant two-rotor axial magnetic flux Circular Winding magneto of rotating ratio |
| CN210468936U (en) * | 2019-10-14 | 2020-05-05 | 苏州振龙科技有限公司 | High-strength motor framework |
| CN111490611A (en) * | 2020-01-07 | 2020-08-04 | 上海舞肌科技有限公司 | Permanent magnet brushless motor, robot joint, servo steering engine actuator and robot |
-
2020
- 2020-08-24 CN CN202010857977.0A patent/CN112202303B/en active Active
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| Publication number | Publication date |
|---|---|
| CN112202303A (en) | 2021-01-08 |
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