CN218335483U

CN218335483U - Self-radiating rotor assembly

Info

Publication number: CN218335483U
Application number: CN202222429138.6U
Authority: CN
Inventors: 赵海飞; 郭青; 戴荣宽; 王莉; 姜浩
Original assignee: Anhui Meifu Intelligent Control Technology Co Ltd
Current assignee: Anhui Meifu Intelligent Control Technology Co Ltd
Priority date: 2022-09-14
Filing date: 2022-09-14
Publication date: 2023-01-17
Anticipated expiration: 2032-09-14

Abstract

The utility model provides a self-radiating rotor assembly, which comprises a rotating shaft; a rotor assembly is arranged at the lower part of the outer surface of the rotating shaft, bearings are respectively sleeved on the outer surface of the rotating shaft and the two ends of the outer surface of the rotating shaft, which are positioned on the rotor assembly, and belt pulleys are sleeved on the outer surface of the rotating shaft and one side of the outer surface of the rotating shaft, which is positioned on the bearings; the rotor subassembly includes interior rotor ring, the outer fixed surface of pivot is connected with interior rotor ring, equidistant fixedly connected with connecting rod in interior rotor ring surface, connecting rod one end fixedly connected with outer rotor ring, the equidistant standing groove that is provided with of outer rotor ring inner chamber, the permanent magnet has been placed to the standing groove inner chamber, supplementary radiator unit is installed to outer rotor ring inner chamber, radiator unit is installed respectively at outer rotor ring both ends. The utility model discloses a design of interior rotor ring, connecting rod and external rotor ring for the whole inside hollow that forms of rotor core, thereby make things convenient for the heat dissipation in later stage, then rethread radiator unit and supplementary radiator unit's cooperation, make the radiating effect better.

Description

Self-radiating rotor assembly

Technical Field

The utility model relates to a from heat dissipation type rotor technical field, concretely relates to from heat dissipation type rotor subassembly.

Background

The permanent magnet motor has the advantages of high efficiency, high power density, large power factor, large starting torque, wide speed regulation range and the like, gradually replaces an induction motor and a switched reluctance motor, and is increasingly widely applied in various fields of industrial production and daily life.

At present, the existing permanent magnet is arranged in a rotor core, when the rotor rotates at a high speed in the later stage, a large amount of heat is generated, but the existing rotor core is solid, so that the existing rotor core is difficult to dissipate heat, the permanent magnet is possibly subjected to irreversible demagnetization due to temperature rise, the output of a motor is limited, and potential safety hazards are increased;

therefore, a rotor assembly with better heat dissipation effect is needed.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a from heat dissipation type rotor subassembly has solved the problem of mentioning in the background art.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

a self-dissipating rotor assembly including a shaft; a rotor assembly is arranged at the lower part of the outer surface of the rotating shaft, bearings are respectively sleeved on the outer surface of the rotating shaft and the two ends of the outer surface of the rotating shaft, which are positioned on the rotor assembly, and belt pulleys are sleeved on the outer surface of the rotating shaft and one side of the outer surface of the rotating shaft, which is positioned on the bearings; the rotor subassembly includes interior rotor ring, rotor ring in the pivot surface fixed connection, equidistant fixedly connected with connecting rod in interior rotor ring surface, connecting rod one end fixedly connected with outer rotor ring, outer rotor ring inner chamber is equidistant to be provided with the standing groove, the permanent magnet has been placed to the standing groove inner chamber, supplementary radiator unit is installed to outer rotor ring inner chamber, radiator unit is installed respectively at outer rotor ring both ends.

Furthermore, a heat dissipation groove is formed between the two connecting rods, and the auxiliary heat dissipation assembly is located between the two connecting rods.

Further, arc-shaped heat dissipation grooves are formed in the outer surface of the outer rotor ring at equal intervals.

Further, supplementary radiator unit includes T type sliding tray, outer rotor ring inner chamber is equidistant to be provided with T type sliding tray, T type sliding tray inner chamber sliding connection has T type pole, equidistant fixedly connected with radiating fin in T type pole one side.

Furthermore, the heat dissipation assembly comprises a heat dissipation ring, two sides of the outer rotor ring are respectively and fixedly connected with the heat dissipation ring, and one side of the heat dissipation ring is fixedly connected with heat dissipation blades at equal intervals.

The utility model provides a from heat dissipation type rotor subassembly. Compared with the prior art, the method has the following beneficial effects:

through the rotor that interior rotor ring, connecting rod and outer rotor ring are constituteed for the inside vacuum that forms of rotor, thereby make things convenient for the heat dissipation in later stage, then T type pole and radiating fin among the supplementary radiator unit of rethread distribute the heat that the rotation of rotor produced to the radiating groove in, take away the heat in the radiating groove through radiator vane at last, thereby realized 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 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 creative efforts.

Fig. 1 shows the overall structure of the present invention;

fig. 2 shows a schematic view of the overall split structure of the present invention;

fig. 3 shows a schematic structural view of the rotor assembly of the present invention;

fig. 4 shows a partial structure schematic diagram of the rotor assembly of the present invention;

shown in the figure: 1. a rotating shaft; 2. a rotor assembly; 21. an inner rotor ring; 22. a connecting rod; 23. an outer rotor ring; 24. a placement groove; 25. a permanent magnet; 26. an auxiliary heat dissipation assembly; 261. a T-shaped sliding groove; 262. a T-shaped rod; 263. a heat dissipating fin; 27. a heat dissipating component; 271. a heat dissipation ring; 272. a heat dissipating fin; 28. a heat sink; 29. an arc-shaped heat dissipation groove; 3. a bearing; 4. a pulley.

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.

Example one

To solve the technical problems in the background art, the following self-heat-dissipation type rotor assembly is provided:

referring to fig. 1 to 4, the present invention provides a self-dissipating rotor assembly, which includes a rotating shaft 1; a rotor assembly 2 is arranged at the lower part of the outer surface of the rotating shaft 1, bearings 3 are respectively sleeved on the outer surface of the rotating shaft 1 and two ends of the rotating shaft 1, which are positioned on the rotor assembly 2, and a belt wheel 4 is sleeved on the outer surface of the rotating shaft 1 and one side of the bearing 3; rotor subassembly 2 includes interior rotor ring 21, rotor ring 21 in the fixed surface connection of 1 outer surface of pivot, equidistant fixedly connected with connecting rod 22 in interior rotor ring 21 surface, connecting rod 22 one end fixedly connected with outer rotor ring 23, the equidistant standing groove 24 that is provided with in outer rotor ring 23 inner chamber, permanent magnet 25 has been placed to standing groove 24 inner chamber, supplementary radiator unit 26 is installed to outer rotor ring 23 inner chamber, radiator unit 27 is installed respectively at outer rotor ring 23 both ends. A heat dissipation groove 28 is arranged between the two connecting rods 22, the auxiliary heat dissipation assembly 26 is positioned between the two connecting rods 22, and arc-shaped heat dissipation grooves 29 are arranged on the outer surface of the outer rotor ring 23 at equal intervals.

The hollow rotor assembly 2 is integrally formed by the inner rotor ring 21, the connecting rod 22 and the permanent magnet 25, so that a plurality of radiating grooves 28 are formed in the rotor assembly 2, and at the moment, the later radiating can be facilitated through the radiating grooves 28, the flow of air is accelerated, and the contact area of the rotor and the air is increased.

As an improvement of the above technical solution, the auxiliary heat dissipation assembly 26 includes a T-shaped sliding groove 261, the inner cavity of the outer rotor ring 23 is provided with the T-shaped sliding groove 261 at equal intervals, the inner cavity of the T-shaped sliding groove 261 is connected with a T-shaped rod 62 in a sliding manner, and one side of the T-shaped rod 262 is fixedly connected with heat dissipation fins 263 at equal intervals. The heat sink 27 includes a heat dissipating ring 271, two sides of the outer rotor ring 23 are respectively and fixedly connected with the heat dissipating ring 271, and one side of the heat dissipating ring 271 is fixedly connected with heat dissipating blades 272 at equal intervals.

When the permanent magnet 25 works, the generated heat is dissipated to the outer rotor ring 23, then the heat is transferred to the T-shaped rod 262 through the outer rotor ring 23, finally the heat is transferred to the heat dissipation fins 263 through the T-shaped rod 262, at this time, the heat dissipation fins 263 begin to dissipate the heat to the inner cavity of the heat dissipation groove 28, at this time, the heat dissipation blades 272 also rotate through the rotation of the rotor assembly 2, and when the heat dissipation blades 272 rotate, the heat in the heat dissipation groove 28 is immediately taken away, so that the heat in the inner cavity of the heat dissipation groove 28 can be taken away, and the heat dissipation speed is accelerated.

The utility model discloses a theory of operation and use flow:

in the use state:

firstly, the inner rotor ring 21, the connecting rod 22 and the outer rotor ring 23 are integrally combined into a complete rotor, then the permanent magnet 25 is placed in the placing groove 24, after the placing, the T-shaped rod 262 is placed on the T-shaped sliding groove 261, after the placing, the heat dissipation circular rings 271 are respectively fixed at two ends of the outer rotor ring 23, at this time, the T-shaped rod 262 is fixed in the T-shaped sliding groove 261 through the fixing of the heat dissipation circular rings 271, the T-shaped rod 262 is prevented from falling off, the permanent magnet 25 is fixed in the placing groove 24 through the fixing of the heat dissipation circular rings 271, the later high-speed rotation of the rotor assembly 2 is prevented, the permanent magnet 25 is thrown out, and the rotor assembly 2 cannot be used;

after the rotor assembly 2 is installed, in the process of rotating the rotor assembly 2, a large amount of heat is generated by the permanent magnet 25, the heat generated by the permanent magnet 25 is transferred to the outer rotor ring 23, the outer rotor ring 23 transfers the heat to the T-shaped rods 262, the T-shaped rods 262 transfer the heat to the radiating fins 263, the heat can be radiated into the radiating grooves 28 through the radiating fins 263, the radiating blades 272 are driven to rotate when the rotating assembly 2 rotates, and the heat in the radiating grooves 28 can be taken out when the radiating blades 272 rotate, so that the heat radiation of the rotor is realized.

And (2) totaling: this patent passes through the design that rotor subassembly middle part formed the fretwork, has increased the area of contact with the air, compares to be current, has accelerated the heat dissipation, through radiating fin 263's design for thermal transmission is faster, increases area of contact once more simultaneously, accelerates the radiating rate, through radiating blade 272's cooperation, can take away the heat fast.

It is noted that, herein, relational terms such as first and second, and the like may be 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 the same; 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 and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. From heat dissipation type rotor subassembly, its characterized in that: comprises a rotating shaft (1); a rotor assembly (2) is mounted on the lower portion of the outer surface of the rotating shaft (1), bearings (3) are respectively sleeved on the outer surface of the rotating shaft (1) and two ends of the outer surface of the rotating shaft (1) which are located on the rotor assembly (2), and a belt wheel (4) is sleeved on one side of the outer surface of the rotating shaft (1) which is located on the bearings (3);

rotor subassembly (2) are including interior rotor ring (21), rotor ring (21) in pivot (1) surface fixedly connected with, equidistant fixedly connected with connecting rod (22) in interior rotor ring (21) surface, connecting rod (22) one end fixedly connected with outer rotor ring (23), outer rotor ring (23) inner chamber is equidistant to be provided with standing groove (24), permanent magnet (25) have been placed to standing groove (24) inner chamber, supplementary radiator unit (26) are installed to outer rotor ring (23) inner chamber, radiator unit (27) are installed respectively to outer rotor ring (23) both ends.

2. The self-dissipating rotor assembly in accordance with claim 1, wherein: a heat dissipation groove (28) is arranged between the two connecting rods (22), and the auxiliary heat dissipation assembly (26) is positioned between the two connecting rods (22).

3. The self-dissipating rotor assembly in accordance with claim 2, wherein: arc-shaped heat dissipation grooves (29) are formed in the outer surface of the outer rotor ring (23) at equal intervals.

4. The self-dissipating rotor assembly set forth in claim 1 wherein: the auxiliary heat dissipation assembly (26) comprises a T-shaped sliding groove (261), the T-shaped sliding groove (261) is arranged in the inner cavity of the outer rotor ring (23) at equal intervals, a T-shaped rod (262) is connected to the inner cavity of the T-shaped sliding groove (261) in a sliding mode, and heat dissipation fins (263) are fixedly connected to one side of the T-shaped rod (262) at equal intervals.

5. The self-dissipating rotor assembly set forth in claim 4 wherein: the heat dissipation assembly (27) comprises a heat dissipation circular ring (271), the two sides of the outer rotor ring (23) are respectively fixedly connected with the heat dissipation circular ring (271), and heat dissipation blades (272) are fixedly connected to one side of the heat dissipation circular ring (271) at equal intervals.