CN220857736U - V-shaped magnetic steel groove motor - Google Patents

Abstract

The utility model discloses a V-shaped magnetic steel slot motor, which comprises a stator and a rotor, wherein an upper resin framework is positioned and installed at the top of the stator, a lower resin framework is positioned and installed at the bottom of the stator, a stator core is integrally formed at the inner side of the stator, an iron core frame is integrally formed on the stator core, insulation slot paper and inter-phase insulation slot paper in slots are positioned at the inner side of the stator core, a stator winding is positioned between the stator and the stator core, a protective outer frame is positioned at the outer side of the stator, a framework supporting piece is integrally formed on the upper resin framework, and rotor end plates are positioned at the two ends of the rotor. The V-shaped magnetic steel groove motor adopts a brand new V-shaped magnetic steel structure optimization structure, the magnetic steels are arranged in a V shape, the consumption of the magnetic steels is reduced by 20%, the power performance is kept consistent, the consumption of materials is reduced, the material cost is reduced, the cogging torque of the motor is low, and the motor is more stable in the high-speed running process.

Description

V-shaped magnetic steel groove motor

Technical Field

The utility model relates to the field of motors, in particular to a V-shaped magnetic steel groove motor.

Background

The motor is a supporting device which is driven by electricity, and the motor is a power source in the industrial field. The mutual conversion between the electric energy and the kinetic energy is realized through the interaction of electricity and magnetism. A narrow sense of electric machine is primarily meant to be an electric motor and may broadly include electric motors and generators. The motor occupies a significant position in the global industrial automation market, is widely applied to the fields of gold treatment, electric power, petrifaction, coal, mine, building materials, papermaking, municipal administration, water conservancy, shipbuilding, port loading and unloading and the like, and has developed greatly for decades, but the industry still has a plurality of problems, and along with the continuous development of technology, the requirements of people on the manufacturing process of the motor are higher and higher.

The existing motor has certain defects when in use, firstly, the magnetic steel material consumption is more, the manufacturing cost of the motor is increased, the motor efficiency cannot be well improved, the motor is unfavorable for use by people, and the motor stability cannot well meet the requirements when running at high speed, so that certain adverse effects are brought to the actual use process.

Disclosure of utility model

The technical problems to be solved are as follows: aiming at the defects of the prior art, the utility model provides the V-shaped magnetic steel groove motor, which adopts a brand new V-shaped magnetic steel structure optimization structure, adopts V-shaped arrangement of magnetic steel, reduces the dosage of the magnetic steel by 20%, keeps the original consistency of power performance, reduces the dosage of materials, reduces the cost of materials, has low cogging torque of the motor, ensures that the motor is more stable in the high-speed running process, and can effectively solve the problems in the background art.

The technical scheme is as follows: in order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the utility model provides a V style of calligraphy magnet steel groove motor, includes stator and rotor, the top position location of stator is installed and is gone up the resin skeleton, the bottom position location of stator is installed down the resin skeleton, the inboard integrated into one piece of stator has the stator core, integrated into one piece has the iron core frame on the stator core, the inboard location of stator core has inslot insulation groove paper and interphase insulation groove paper, be located stator winding between stator and the stator core, the outside location of stator has the protection frame, integrated into one piece has skeleton support piece on the last resin skeleton.

Preferably, the rotor end plates are positioned at the two ends of the rotor, the upper balance weight is positioned at the upper end of the rotor, the lower balance weight is positioned at the lower end of the rotor, the rotor core is positioned in the rotor, the electromagnetic block is positioned on the rotor core, and the rivet penetrates through the rotor end plates.

Preferably, the stator, the upper resin skeleton, the lower resin skeleton, the protective outer frame, the stator core, the in-slot insulation slot paper and the inter-phase insulation slot paper are assembled.

Preferably, the rotor, the upper balancing block, the rotor end plate, the rivet, the rotor core, the electromagnetic block and the lower balancing block are assembled, the magnetic steel groove inside the rotor core adopts a V-shaped structure layout, and the electromagnetic block is of a V-shaped structure.

Preferably, the protective outer frame comprises a fiber wear-resistant cover, a waterproof cover, an insulating cover and a shielding cover, wherein the insulating cover is positioned on the surface of the shielding cover, the waterproof cover is positioned on the surface of the insulating cover, and the fiber wear-resistant cover is positioned on the surface of the waterproof cover.

Preferably, the fiber wear-resistant cover, the waterproof cover, the insulating cover and the shielding cover are integrally formed through die casting.

The beneficial effects are that: compared with the prior art, the utility model provides the V-shaped magnetic steel groove motor, which has the following beneficial effects: the V-shaped magnetic steel groove motor has the same outer diameter size to adapt to the requirements of clients, and meanwhile, the upper limit of motor efficiency is improved, so that the motor has better adjustable capacity; the novel V-shaped magnetic steel structure is optimally designed, and the rotor adopts a non-uniform unequal air gap design, so that the motor can run more stably at a high speed;

Determining the magnetic field layout of the motor by analyzing the fundamental wave amplitude, the magnetic field density cloud picture, the cogging torque, the MAP picture and the like of the back electromotive force of the motor through finite elements;

The same stator structure is used, the magnetic steel is arranged in a V shape, the consumption of the magnetic steel is reduced by 20%, the power performance is kept consistent, the consumption of materials is reduced, the cost of the materials is reduced, the whole motor is simple in structure and convenient to operate, and the using effect is better than that of the traditional mode.

Drawings

Fig. 1 is a schematic diagram of a stator structure of a V-shaped magnetic steel groove motor according to the present utility model.

Fig. 2 is a schematic structural diagram of a rotor in a V-shaped magnetic steel groove motor according to the present utility model.

Fig. 3 is a schematic structural diagram of an upper resin skeleton in a V-shaped magnetic steel groove motor according to the present utility model.

Fig. 4 is a schematic structural diagram of a lower resin skeleton in a V-shaped magnetic steel groove motor according to the present utility model.

Fig. 5 is a schematic structural diagram of a stator core in a V-shaped magnetic steel groove motor according to the present utility model.

Fig. 6 is a schematic structural diagram of a stator winding in a V-shaped magnetic steel groove motor according to the present utility model.

Fig. 7 is a schematic diagram of a structure of insulation slot paper in a V-shaped magnetic steel slot motor according to the present utility model.

Fig. 8 is a schematic structural diagram of interphase insulation slot paper in a V-shaped magnetic steel slot motor according to the present utility model.

Fig. 9 is a schematic structural view of a rotor core in a V-shaped magnetic steel groove motor according to the present utility model.

Fig. 10 is a schematic structural view of a rotor end plate in a V-shaped magnetic steel groove motor according to the present utility model.

Fig. 11 is a schematic structural view of a rivet in a V-shaped magnetic steel groove motor according to the present utility model.

Fig. 12 is a schematic structural diagram of an electromagnetic block in a V-shaped magnetic steel groove motor according to the present utility model.

Fig. 13 is a schematic structural diagram of an upper counterweight in a V-shaped magnetic steel groove motor according to the utility model.

Fig. 14 is a schematic structural diagram of a lower balance weight in a V-shaped magnetic steel groove motor according to the present utility model.

Fig. 15 is a schematic structural diagram of a protective outer frame in a V-shaped magnetic steel groove motor according to the present utility model.

In the figure: 1. a stator; 2. a stator winding; 3. a resin skeleton is arranged; 4. insulation paper in the tank; 5. interphase insulation slot paper; 6. a stator core; 7. a protective outer frame; 8. a lower resin skeleton; 9. a rotor; 10. an upper balance block; 11. a rotor end plate; 12. a rivet; 13. a rotor core; 14. an electromagnetic block; 15. a lower balance block; 16. a skeletal support; 17. an iron core frame; 18. a fibrous wear cap; 19. a waterproof cover; 20. an insulating cover; 21. and a shielding case.

Detailed Description

The technical solution of the present utility model will be clearly and completely described below with reference to the accompanying drawings and detailed description, but it will be understood by those skilled in the art that the examples described below are some, but not all, examples of the present utility model, and are intended to be illustrative of the present utility model only and should not be construed as limiting the scope of the present utility model. 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. The specific conditions are not noted in the examples and are carried out according to conventional conditions or conditions recommended by the manufacturer. The reagents or apparatus used were conventional products commercially available without the manufacturer's attention.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1-15, a V-shaped magnetic steel slot motor comprises a stator 1 and a rotor 9, wherein an upper resin skeleton 3 is arranged at the top position of the stator 1, a lower resin skeleton 8 is arranged at the bottom position of the stator 1, a stator core 6 is integrally formed at the inner side of the stator 1, a core frame 17 is integrally formed on the stator core 6, a stator winding 2 is positioned between the stator 1 and the stator core 6, a protective outer frame 7 is positioned at the outer side of the stator 1, a skeleton support 16 is integrally formed on the upper resin skeleton 3, a brand-new V-shaped magnetic steel structure optimization structure is adopted, magnetic steel is arranged in a V shape, the magnetic steel consumption is reduced by 20%, the power performance is kept to be consistent, the material consumption is reduced, the material cost is reduced, the motor cogging torque is low, and the motor is more stable in the high-speed running process.

Further, rotor end plates 11 are positioned at two ends of the rotor 9, an upper balance weight 10 is positioned at the upper end of the rotor 9, a lower balance weight 15 is positioned at the lower end of the rotor 9, a rotor iron core 13 is positioned in the rotor 9, an electromagnetic block 14 is positioned on the rotor iron core 13, and rivets 12 penetrate through the positions of the rotor end plates 11.

Further, the stator 1, the upper resin frame 3, the lower resin frame 8, the protective outer frame 7, the stator core 6, the in-slot insulating slot paper 4 and the inter-phase insulating slot paper 5 are assembled.

Further, the rotor 9, the upper balance weight 10, the rotor end plate 11, the rivet 12, the rotor core 13, the electromagnetic block 14 and the lower balance weight 15 are assembled, the magnetic steel groove inside the rotor core 13 adopts a V-shaped structure layout, and the electromagnetic block 14 is of a V-shaped structure.

Further, the protective outer frame 7 comprises a fiber wear-resistant cover 18, a waterproof cover 19, an insulating cover 20 and a shielding cover 21, wherein the insulating cover 20 is positioned on the surface of the shielding cover 21, the waterproof cover 19 is positioned on the surface of the insulating cover 20, and the fiber wear-resistant cover 18 is positioned on the surface of the waterproof cover 19.

Further, the fiber wear-resistant cover 18, the waterproof cover 19, the insulating cover 20 and the shielding cover 21 are integrally formed by die casting.

Working principle: the novel high-speed motor comprises a stator 1, a stator winding 2, an upper resin skeleton 3, in-slot insulating slot paper 4, inter-phase insulating slot paper 5, a stator iron core 6, a protective outer frame 7, a lower resin skeleton 8, a rotor 9, an upper balance block 10, a rotor end plate 11, rivets 12, a rotor iron core 13, an electromagnetic block 14, a lower balance block 15, a skeleton support 16, an iron core frame 17, a fiber wear-resistant cover 18, a waterproof cover 19, an insulating cover 20 and a shielding cover 21, wherein a brand new V-shaped magnetic steel structure optimization structure is adopted, the magnetic steel is arranged in a V shape, the magnetic steel consumption is reduced by 20%, the power performance is kept consistent, the material consumption is reduced, the material cost is reduced, the motor cogging torque is low, and the motor is more stable in the high-speed running process.

Resin skeleton-stator top and bottom copper coil support and insulating protection piece, PBT resin material injection molding integrated into one piece is connected with the iron core through bottom stuck point, goes up the skeleton periphery and is equipped with the coil groove, and copper line goes out to wind and goes into the inslot when going into can effectively protect the copper line insulation. The binding holes are reserved, so that the outgoing wire copper wires of the motor and the resin skeleton binding tool are integrated, loose and shake of the copper wires is prevented, and motor noise can be effectively reduced;

The stator core, acts as part of the magnetic circuit of the motor and embeds the stator windings. The stator core is formed by laminating silicon steel sheets, the iron core and the framework are matched and embedded with stator windings, so that the windings are mutually insulated from the iron core, and the iron core loss caused by a rotating magnetic field in the stator core is reduced;

The stator winding-winding adopts an angle joint mode, which is helpful for improving the power of the motor, and the motor flies through the coil slots at the outer side of the framework;

Insulation slot paper-insulation in a slot and interphase insulation, the material M238 coiled material equipment is automatically inserted, and through the matching installation of skeleton clamping points, the interphase insulation paper can more effectively space copper wires (prevent copper wires from breakdown), the damage of the copper wires is prevented, and the overall creepage distance of the motor is increased;

Rotor core-as part of the motor's magnetic circuit, and the placement of rotor electromagnetic and balancing masses. The iron core is formed by stacking silicon steel sheets with the same thickness, each silicon steel sheet is connected through a self-buckling point, the iron core is in non-uniform unequal air gap design, weight reduction and ventilation are facilitated, the magnetic steel grooves in the rotor are in V-shaped structure layout, and at the same efficiency point, the V-shaped magnetic steel saves materials, reduces cost and has lower cogging torque relative to the linear magnetic steel, so that the rotor can maintain the stability of the motor more than the linear magnetic steel in high-speed operation;

The rotor end plate, in order to prevent the magnetic steel from being thrown out during high-speed operation of the motor, is tightly attached to the rotor core through rivets; holes which are designed to be equal to the rotor core are adopted on the end plate, so that the rotor ventilation is facilitated and the cooling is convenient;

rivet-used for fixing every part of rotor component, preventing rotor component from falling apart in the course of high-speed operation;

Electromagnetic block-in the motor, the magnetic steel is used as a part of the magnetic circuit, the controller supplies a variable frequency power supply to the coil to generate a magnetic field to drive the motor to operate, and the magnetic steel material adopts neodymium-boron-rare earth;

Balance weight-improve the quality of rotor and its products, reduce noise and vibration, make the rotor reach rated balance, the rotor is installed on both sides.

It should be noted that in this document, relational terms such as first and second (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. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims (6)

1. The utility model provides a V style of calligraphy magnet steel groove motor, includes stator (1) and rotor (9), its characterized in that: the top position location of stator (1) is installed resin skeleton (3), resin skeleton (8) down are installed to the bottom position location of stator (1), the inboard integrated into one piece of stator (1) has stator core (6), integrated into one piece has iron core frame (17) on stator core (6), the inboard location of stator core (6) has inslot insulation slot paper (4) and interphase insulation slot paper (5), be located stator winding (2) between stator (1) and stator core (6), the outside location of stator (1) has protective outer frame (7), integrated into one piece has skeleton support piece (16) on going up resin skeleton (3).

2. A V-shaped magnetic steel groove electric machine as claimed in claim 1, wherein: rotor end plate (11) are all located at both ends position of rotor (9), upper end location of rotor (9) has upper balance weight (10), lower balance weight (15) are located to the lower extreme of rotor (9), rotor core (13) are located in rotor (9), electromagnetic block (14) are located on rotor core (13), rivet (12) are located in the position run-through of rotor end plate (11).

3. A V-shaped magnetic steel groove electric machine as claimed in claim 1, wherein: the stator (1), the upper resin framework (3), the lower resin framework (8), the protective outer frame (7), the stator core (6), the in-slot insulation slot paper (4) and the interphase insulation slot paper (5) are assembled.

4. A V-shaped magnetic steel groove electric machine as claimed in claim 2, wherein: the novel electromagnetic iron core assembly comprises a rotor (9), an upper balance block (10), a rotor end plate (11), rivets (12), a rotor iron core (13), electromagnetic blocks (14) and a lower balance block (15), wherein V-shaped structural layout is adopted in an inner magnetic steel groove of the rotor iron core (13), and the electromagnetic blocks (14) are of V-shaped structures.

5. A V-shaped magnetic steel groove electric machine as claimed in claim 1, wherein: the protective outer frame (7) comprises a fiber wear-resistant cover (18), a waterproof cover (19), an insulating cover (20) and a shielding cover (21), wherein the insulating cover (20) is positioned on the surface of the shielding cover (21), the waterproof cover (19) is positioned on the surface of the insulating cover (20), and the fiber wear-resistant cover (18) is positioned on the surface of the waterproof cover (19).

6. A V-shaped magnetic steel groove electric machine as defined in claim 5, wherein: the fiber wear-resistant cover (18), the waterproof cover (19), the insulating cover (20) and the shielding cover (21) are integrally formed through die casting.