CN218603247U

CN218603247U - Novel stator winding structure for improving power density of permanent magnet motor

Info

Publication number: CN218603247U
Application number: CN202222771406.2U
Authority: CN
Inventors: 唐宇; 陈亮
Original assignee: High End Equipment Research Institute Of Zhenjiang Harbin Institute Of Technology
Current assignee: High End Equipment Research Institute Of Zhenjiang Harbin Institute Of Technology
Priority date: 2022-10-20
Filing date: 2022-10-20
Publication date: 2023-03-10
Anticipated expiration: 2032-10-20

Abstract

The utility model provides an improve permanent-magnet machine power density's novel stator winding structure relates to stator winding technical field, including the stator ring, stator core's surface winding has stator winding, the spacing groove has been seted up to the inside of stator ring, the inside joint of draw-in groove has the fixture block, the inside swing joint of connecting block has spacing post, the surface swing joint of spacing post has the spring, the right side end fixedly connected with activity post of connecting block, and the surface swing joint of activity post has the heat conduction piece. The utility model discloses, through setting up fixture block and draw-in groove, be favorable to promoting the convenience of heat conduction piece installation and dismantlement, dispel the heat to stator ring inside through installing the heat conduction piece fast, improve the installation effectiveness, promote permanent-magnet machine power density through the heat dissipation.

Description

Novel stator winding structure for improving power density of permanent magnet motor

Technical Field

The utility model relates to a stator winding technical field, concretely relates to improve permanent-magnet machine power density's novel stator winding structure.

Background

The permanent magnet motor has the remarkable characteristics of high power density, high efficiency, high reliability and the like, and is widely applied to the production and living fields. Because rare earth permanent magnet resources are in short supply, the manufacturing cost of the permanent magnet motor becomes the bottleneck of large-scale application of the permanent magnet motor, the optimization design of the structure of the permanent magnet motor and the improvement of the power of the permanent magnet motor become the research subjects of experts and scholars at home and abroad, and because the high-power density motor has small volume, high electromagnetic load and large loss of unit volume, a large amount of heat generated by the motor is generated, and the heat needs to be effectively dissipated in time so as to ensure the reliable operation of the motor. The power density of the permanent magnet motor can be indirectly improved by enhancing the heat dissipation effect of the motor.

The existing stator winding structure is provided with a heat conduction plug-in unit for heat dissipation, but the heat conduction plug-in unit needs to be welded when being installed, so that the heat conduction plug-in unit is inconvenient to disassemble, and further the installation and maintenance efficiency are affected, and therefore a novel stator winding structure for improving the power density of the permanent magnet motor is needed.

Disclosure of Invention

Technical problem to be solved

Not enough to prior art, the utility model provides an improve permanent-magnet machine power density's novel stator winding structure has solved the comparatively complicated problem of operation when the installation of heat conduction plug-in components is dismantled.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides an improve permanent-magnet machine power density's novel stator winding structure, includes the stator ring, the inside wall fixedly connected with stator core of stator ring, stator core's surface winding has stator winding, stator core's external surface fixedly connected with dog, the spacing groove has been seted up to the inside of stator ring, the draw-in groove has been seted up to the inside wall of spacing groove, the inside joint of draw-in groove has the fixture block, and the side surface fixedly connected with connecting block of fixture block, the inside swing joint of connecting block has spacing post, the surface swing joint of spacing post has the spring, and the right side end of spring laminates with the side surface of connecting block mutually, the right side end fixedly connected with movable column of connecting block, and the surface swing joint of movable column has the heat conduction piece.

As a further description of the above technical solution: the bottom of heat conduction piece has seted up the mounting groove, the interior top fixedly connected with fixed block of mounting groove, and the left side end of spacing post and the right side end fixed connection of fixed block.

As a further description of the above technical solution: the bottom of the heat conducting block is attached to the outer surface of the stator ring.

As a further description of the above technical solution: the heat conducting block is internally provided with a plurality of heat dissipation holes, and the plurality of heat dissipation holes correspond to the positions of the stator windings.

As a further description of the above technical solution: the outer fixed surface of stator ring is connected with the stopper, the quantity of stopper is provided with a plurality ofly, and is a plurality of the bar groove has been seted up to the inside of stopper, and the bottom in bar groove is corresponding with the position of dog.

(III) advantageous effects

The utility model provides an improve permanent-magnet machine power density's novel stator winding structure. Compared with the prior art, the method has the following beneficial effects:

1. compared with the prior art, this improve permanent-magnet machine power density's novel stator winding structure, through setting up fixture block and draw-in groove, utilize the movable post to promote the connecting block and compress the spring, make the connecting block drive the fixture block and remove to the fixed block direction, put into the spacing inslot portion with the connecting plate again, utilize fixture block and draw-in groove block after loosening the movable post, be favorable to promoting the convenience of heat conduction piece installation and dismantlement, dispel the heat to stator ring inside through installing the heat conduction piece fast, and the installation effectiveness is improved, promote permanent-magnet machine power density through the heat dissipation.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic diagram of an overall structure of a novel stator winding structure for improving power density of a permanent magnet motor according to the present invention;

fig. 2 is a side view of a novel stator winding structure for improving the power density of a permanent magnet motor according to the present invention;

fig. 3 is a cross-sectional view of a novel stator winding structure for improving the power density of a permanent magnet motor according to the present invention;

fig. 4 is an enlarged view of a position a in fig. 3 according to the present invention.

Illustration of the drawings:

1. a stator ring; 2. a stator core; 3. a stator winding; 4. a stopper; 5. a heat conducting block; 6. mounting grooves; 7. a fixed block; 8. a limiting post; 9. a spring; 10. a movable post; 11. connecting blocks; 12. a clamping block; 13. a limiting groove; 14. a card slot; 15. heat dissipation holes; 16. a limiting block; 17. a strip-shaped groove.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The embodiment of the application solves the problem of complex operation when the heat conduction plug-in is installed and disassembled by providing the novel stator winding structure for improving the power density of the permanent magnet motor.

In order to solve the technical problems, the general idea of the embodiment of the application is as follows: through install fast and dismantle heat conduction plug-in components, be convenient for dispel the heat to the stator winding structure to improve permanent-magnet machine power density.

In order to better understand the technical scheme, the technical scheme is described in detail in the following with reference to the attached drawings of the specification and specific embodiments.

Referring to fig. 1-4, the utility model provides a pair of improve permanent-magnet machine power density's novel stator winding structure: including stator ring 1, stator ring 1's inside wall fixedly connected with stator core 2, stator core 2's surface winding has stator winding 3, stator core 2's external fixed surface is connected with dog 4, spacing groove 13 has been seted up to stator ring 1's inside, draw-in groove 14 has been seted up to spacing groove 13's inside wall, draw-in groove 14's inside joint has fixture block 12, and fixture block 12's side surface fixedly connected with connecting block 11, connecting block 11's inside swing joint has spacing post 8, spacing post 8's surface swing joint has spring 9, and spring 9's right side end laminates mutually with connecting block 11's side surface, connecting block 11's right side end fixedly connected with activity post 10, and the surface swing joint of activity post 10 has heat conduction piece 5. Utilize movable post 10 to promote connecting block 11 and compress spring 9 for connecting block 11 drives fixture block 12 and removes to 7 directions of fixed block, put into spacing groove 13 inside with connecting block 11 again, loosen movable post 10 back and utilize fixture block 12 and draw-in groove 14 block, be favorable to promoting the convenience of heat conduction piece 5 installation and dismantlement, dispel the heat to 1 inside of stator ring through quick installation heat conduction piece 5, and the installation effectiveness is improved, promotes permanent-magnet machine power density through the heat dissipation.

Mounting groove 6 has been seted up to the bottom of heat conduction piece 5, and the interior top fixedly connected with fixed block 7 of mounting groove 6, and the left side end of spacing post 8 and the right side end fixed connection of fixed block 7. Utilize mounting groove 6 to be convenient for install fixed block 7 and spacing post 8 to accomodate it and carry out heat conduction piece 5 inside.

The bottom of the heat conducting block 5 is attached to the outer surface of the stator ring 1. The heat conducting block 5 is provided with a plurality of heat dissipation holes 15 inside, and the number of the heat dissipation holes 15 is a plurality, and the plurality of heat dissipation holes 15 correspond to the position of the stator winding 3. The heat dissipation holes 15 facilitate heat dissipation of the interior of the stator ring 1, and the plurality of heat dissipation holes 15 are provided to enhance the heat dissipation effect.

The outer fixed surface of stator ring 1 is connected with stopper 16, and the quantity of stopper 16 is provided with a plurality ofly, and bar groove 17 has been seted up to a plurality of stoppers 16's inside, and the bottom of bar groove 17 corresponds with the position of dog 4. The mounting position of the heat conducting block 5 is limited by the limiting block 16, and the strip-shaped groove 17 is matched with the heat conducting block 5 for heat dissipation.

The working principle is as follows: during the use, utilize movable post 10 to promote connecting block 11 and compress spring 9 for connecting block 11 drives fixture block 12 and removes to 7 directions of fixed block, puts into spacing groove 13 inside with connecting block 11 again, loosens and utilizes fixture block 12 and draw-in groove 14 block behind the movable post 10, thereby realizes heat conduction block 5's quick installation, through louvre 15 and the inside bar groove 17 of stopper 16, reinforcing stator ring 1's radiating effect, thereby promote permanent-magnet machine power density.

In summary, compared with the prior art, the method has the following beneficial effects:

1. through setting up fixture block and draw-in groove, utilize the movable post to promote the connecting block and compress the spring for the connecting block drives the fixture block and removes to the fixed block direction, puts into spacing inslot portion with the connecting plate again, loosens and utilizes fixture block and draw-in groove block behind the movable post, is favorable to promoting the convenience of heat conduction piece installation and dismantlement, dispels the heat to stator ring inside through installing the heat conduction piece fast, improves the installation effectiveness, promotes permanent-magnet machine power density through the heat dissipation.

2. Position to the heat conduction piece is injectd through setting up the stopper, utilizes the bar groove cooperation heat conduction piece to dispel the heat, spreads the inside unnecessary heat of stator ring fast through the heat conduction piece to reinforcing radiating effect.

It should be noted that, in this document, 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. Also, 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 phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides an improve permanent-magnet machine power density's novel stator winding structure, a serial communication port, including stator ring (1), inside wall fixedly connected with stator core (2) of stator ring (1), the surface winding of stator core (2) has stator winding (3), the surface fixedly connected with dog (4) of stator core (2), spacing groove (13) have been seted up to the inside of stator ring (1), draw-in groove (14) have been seted up to the inside wall of spacing groove (13), the inside joint of draw-in groove (14) has fixture block (12), and the side surface fixedly connected with connecting block (11) of fixture block (12), the inside swing joint of connecting block (11) has spacing post (8), the surface swing joint of spacing post (8) has spring (9), and the right side end of spring (9) laminates with the side surface of connecting block (11), the right side end fixedly connected with activity post (10) of connecting block (11), and the surface swing joint of activity post (10) has heat conduction piece (5).

2. The novel stator winding structure for improving the power density of the permanent magnet motor according to claim 1, wherein a mounting groove (6) is formed in the bottom of the heat conducting block (5), a fixing block (7) is fixedly connected to the inner top of the mounting groove (6), and the left end of the limiting column (8) is fixedly connected to the right end of the fixing block (7).

3. The new stator winding structure for improving the power density of a permanent magnet motor according to claim 2, characterized in that the bottom of the heat conducting block (5) is attached to the outer surface of the stator ring (1).

4. The novel stator winding structure for improving the power density of the permanent magnet motor according to claim 3, wherein heat dissipation holes (15) are formed inside the heat conduction block (5), a plurality of heat dissipation holes (15) are formed, and the plurality of heat dissipation holes (15) correspond to the positions of the stator windings (3).

5. The novel stator winding structure for improving the power density of the permanent magnet motor according to claim 4, wherein the outer surface of the stator ring (1) is fixedly connected with a plurality of limiting blocks (16), a plurality of limiting blocks (16) are provided, a plurality of strip-shaped grooves (17) are formed in the limiting blocks (16), and the bottoms of the strip-shaped grooves (17) correspond to the positions of the stop blocks (4).