Cogging-free stator core mechanism

Abstract

The utility model belongs to the technical field of stator iron cores, and particularly relates to a cogging-free stator iron core mechanism, which comprises a stator yoke iron core. A stator tooth part iron core is arranged in the stator yoke part iron core; a cooling groove is formed in the stator yoke iron core; a plurality of groups of heat-conducting fins are fixedly connected to the side wall of the cooling tank; the heat-conducting fins are arranged in an annular array; a filling port is formed in the side wall of the stator yoke iron core; the side wall of the filling port is rotationally connected with a cover body; through the arrangement of the heat-conducting fins and the cooling grooves, the design is simple and convenient to operate, and heat generated by the stator core can be quickly absorbed and taken away through the cooling liquid in the cooling grooves, so that the heat dissipation effect can be improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of stator cores, in particular to a slotless stator core mechanism. Background Art

[0002] With the development of society, slotless stator core mechanisms are often needed in other fields such as high-precision motors, high-efficiency motors, low-noise motors, and micro motors. Slotless stator core mechanisms are a specially designed motor stator structure.

[0003] Its characteristic is that there is no traditional slot structure on the stator core. This design is intended to reduce the vibration, noise and torque fluctuation caused by the slot effect during the operation of the motor, thereby improving the speed stability of the motor, reducing noise and vibration, and improving the overall performance.

[0004] In the prior art, long-term observations have shown that the existing slotless stator core mechanism may reduce the contact area between the winding and the core during use due to the slotless design, thereby affecting the heat dissipation performance. Therefore, a slotless stator core mechanism is proposed to address the above problem. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art and solve at least one technical problem raised in the background art, the present invention proposes a slotless stator core mechanism.

[0006] The technical solution adopted by the present invention to solve its technical problems is: the present invention describes a slotless stator core mechanism, comprising a stator choke core; a stator tooth core is arranged inside the stator choke core; a cooling groove is provided inside the stator choke core; a plurality of groups of heat conducting plates are fixedly connected to the side walls of the cooling groove; the heat conducting plates are arranged in a ring array; a filling port is provided on the side walls of the stator choke core; and a cover is connected to the side walls of the filling port.

[0007] Preferably, a plurality of heat dissipation fins are fixedly connected to the side walls of the stator choke core; the heat dissipation fins are arranged in an arc shape.

[0008] Preferably, the side wall of the stator choke core is provided with an observation window; the observation window is made of transparent material.

[0009] Preferably, a plurality of groups of insulating sheets are symmetrically arranged on the side walls of the stator tooth core; and the insulating sheets are arranged in an arc shape.

[0010] Preferably, a heat conducting rod is provided on the side wall of the heat conducting plate; the heat conducting rod runs through the interior of the heat conducting plate.

[0011] Preferably, the side wall of the cover body is provided with a plurality of anti-sliding blocks; the anti-sliding blocks are connected to the cover body by adhesive bonding.

[0012] Beneficial effects of the utility model:

[0013] 1. The utility model provides a slotless stator core mechanism. By setting up a heat conducting plate and a cooling groove structure, this design is not only simple and convenient to operate, but also the coolant in the cooling groove can quickly absorb and take away the heat generated by the stator core, thereby improving the heat dissipation effect.

[0014] 2. The utility model provides a slotless stator core mechanism. By setting up a heat dissipation fin structure, this design can increase the contact area between the stator core and the air, improve the heat exchange effect, thereby helping to reduce the temperature of the stator core, thereby improving the overall performance and stability of the motor. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of this application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0016] Figure 1 It is a three-dimensional diagram of the utility model;

[0017] Figure 2 It is a three-dimensional diagram of the heat conducting rod in the utility model;

[0018] Figure 3 It is a three-dimensional diagram of the insulating sheet in the utility model;

[0019] Figure 4 It is a three-dimensional diagram of the observation window in the present utility model.

[0020] Legend:

[0021] 1. Stator choke core; 10. Stator tooth core; 11. Cooling trough; 12. Heat conducting plate; 13. Filling port; 14. Cover; 2. Heat dissipating fins; 3. Observation window; 4. Insulating plate; 5. Heat conducting rod; 6. Anti-slip block. DETAILED DESCRIPTION

[0022] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] Specific examples are given below.

[0024] See also Figure 1-Figure 4The utility model provides a slotless stator core mechanism, comprising a stator choke core 1; a stator tooth core 10 is arranged inside the stator choke core 1; a cooling groove 11 is opened inside the stator choke core 1; a plurality of groups of heat conducting plates 12 are fixedly connected to the side wall of the cooling groove 11; the heat conducting plates 12 are arranged in a ring array; a filling port 13 is opened on the side wall of the stator choke core 1; a cover 14 is connected to the side wall of the filling port 13; when working, the stator tooth core 10 can be supported by the stator choke core 1, and the staff rotates the cover 14 in advance to feed the cooling groove through the filling port 13. 11 is filled with coolant. When the slotless stator core is in use, a certain amount of heat will be generated. The stator choke core 1 is made of a material with a high thermal conductivity coefficient, thereby improving its own heat conduction ability. Then, the heat conducting plate 12 is made of a metal material, thereby utilizing the heat conduction principle to absorb the heat of the stator choke core 1. Then, the coolant in the cooling tank 11 can cool down the heat absorbed by the heat conducting plate 12. This design is not only simple and convenient to operate, but also the coolant in the cooling tank 11 can quickly absorb and take away the heat generated by the stator core, thereby improving the heat dissipation effect.

[0025] Further, such as Figure 1 and Figure 3 As shown, the side walls of the stator choke core 1 are fixed with multiple groups of heat dissipation fins 2; the heat dissipation fins 2 are arranged in an arc shape; when working, the heat dissipation fins 2 can increase the contact area between the stator core and the air. This design can increase the contact area between the stator core and the air, improve the heat exchange effect, thereby helping to reduce the temperature of the stator core, thereby improving the overall performance and stability of the motor.

[0026] Further, such as Figure 1 、 Figure 4 and Figure 2 As shown, the side wall of the stator choke core 1 is provided with an observation window 3; the observation window 3 is made of transparent material; during operation, the staff can observe the interior of the stator choke core 1 through the observation window 3, and the design makes it easy for the staff to observe the cooling tank 11, and the design makes it easy for the staff to observe the coolant inside the cooling tank 11, and when it is found that the coolant is insufficient, it can be added in time.

[0027] Further, such as Figure 3 As shown, multiple groups of insulating sheets 4 are symmetrically arranged on the side walls of the stator tooth core 10; the insulating sheets 4 are arranged in an arc shape; during operation, the eddy current circuit can be cut off by the insulating sheets 4, thereby reducing eddy current loss. This design can reduce eddy current loss, and the insulating sheets 4 help to reduce the heat generated by the stator core and reduce energy loss.

[0028] Further, such as Figure 3As shown, a heat-conducting rod 5 is provided on the side wall of the heat-conducting sheet 12; the heat-conducting rod 5 runs through the interior of the heat-conducting sheet 12; when working, the heat-conducting rod 5 is made of metal material, so that the heat on the heat-conducting sheet 12 can be evenly transferred. This design can evenly transfer the heat on the heat-conducting sheet 12, thereby improving the heat dissipation effect.

[0029] Further, such as Figure 3 and Figure 4 As shown, the side wall of the cover body 14 is provided with multiple groups of anti-sliding blocks 6; the anti-sliding blocks 6 are connected to the cover body 14 by bonding; when working, the anti-sliding blocks 6 can increase the friction of the hand, and this design can increase the friction of the hand, thereby facilitating the staff to rotate the cover body 14.

[0030] Working principle: The stator choke core 1 can support the stator tooth core 10, and the staff rotates the cover 14 in advance and fills the cooling tank 11 with coolant through the filling port 13. When the slotless stator core is in use, a certain amount of heat will be generated. The stator choke core 1 is made of a material with a high thermal conductivity coefficient, so that its own thermal conductivity can be improved. Then, the heat conducting plate 12 is made of a metal material, so that the heat of the stator choke core 1 can be absorbed by the heat conduction principle, and then the heat absorbed by the heat conducting plate 12 can be cooled by the coolant in the cooling tank 11. The heat dissipation fins 2 can increase the contact area between the stator core and the air. The observation window 3 makes it easy for the staff to observe the inside of the stator choke core 1. The insulating sheet 4 can cut off the eddy current circuit and reduce eddy current loss. The heat conducting rod 5 is made of a metal material, so that the heat on the heat conducting plate 12 can be evenly transmitted. The anti-sliding block 6 can increase the friction of the hand.

[0031] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements fall within the scope of the present invention as claimed.

Claims

1. A slotless stator core mechanism, comprising a stator choke core (1); characterized in that: The stator choke core (1) is provided with a stator tooth core (10) inside; a cooling groove (11) is provided inside the stator choke core (1); a plurality of groups of heat conducting plates (12) are fixedly connected to the side wall of the cooling groove (11); the heat conducting plates (12) are arranged in a ring array; a filling port (13) is provided on the side wall of the stator choke core (1); and a cover (14) is connected to the side wall of the filling port (13).

2. The slotless stator core structure according to claim 1, wherein: The side walls of the stator choke core (1) are fixedly connected with multiple groups of heat dissipation fins (2); the heat dissipation fins (2) are arranged in an arc shape.

3. The slotless stator core structure according to claim 1, wherein: An observation window (3) is provided on the side wall of the stator choke core (1); the observation window (3) is made of a transparent material.

4. The slotless stator core structure according to claim 1, wherein: Multiple groups of insulating sheets (4) are symmetrically arranged on the side walls of the stator tooth core (10); the insulating sheets (4) are arranged in an arc shape.

5. The slotless stator core structure according to claim 1, wherein: A heat conducting rod (5) is provided on the side wall of the heat conducting plate (12); the heat conducting rod (5) runs through the interior of the heat conducting plate (12).

6. The slotless stator core structure according to claim 1, wherein: The side wall of the cover body (14) is provided with a plurality of anti-sliding blocks (6); the anti-sliding blocks (6) are connected to the cover body (14) by adhesive bonding.

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