CN223109746U - A high heat dissipation motor rotor - Google Patents
A high heat dissipation motor rotorInfo
- Publication number
- CN223109746U CN223109746U CN202422258602.9U CN202422258602U CN223109746U CN 223109746 U CN223109746 U CN 223109746U CN 202422258602 U CN202422258602 U CN 202422258602U CN 223109746 U CN223109746 U CN 223109746U
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- CN
- China
- Prior art keywords
- heat
- rotor
- heat dissipation
- dissipation
- motor rotor
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- Motor Or Generator Cooling System (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
本实用新型公开了一种高散热电机转子，包括转子轴(1)和转子体，转子体包括由硅钢片(21)构成的转子铁芯(2)，转子铁芯(2)的两端均设有端环(3)，所述端环(3)的外侧面圆周设有多个第一散热叶片(31)，相邻两个第一散热叶片(31)之间设有贯穿两个端环(3)的通风管道(32)；所述转子轴(1)的尾端设有环形的安装架(11)，安装架(11)的内环部圆周设有多个与转子轴(1)连接的第二散热叶片(12)，安装架(11)的外环部圆周设有多个第三散热叶片(13)。本实用新型具有加大散热风量和面积，提高散热效果的特点。
The utility model discloses a high heat dissipation motor rotor, comprising a rotor shaft (1) and a rotor body, wherein the rotor body comprises a rotor core (2) composed of silicon steel sheets (21), end rings (3) are arranged at both ends of the rotor core (2), a plurality of first heat dissipation blades (31) are arranged on the circumference of the outer side surface of the end ring (3), and a ventilation duct (32) penetrating the two end rings (3) is arranged between two adjacent first heat dissipation blades (31); an annular mounting frame (11) is arranged at the tail end of the rotor shaft (1), a plurality of second heat dissipation blades (12) connected to the rotor shaft (1) are arranged on the circumference of the inner ring portion of the mounting frame (11), and a plurality of third heat dissipation blades (13) are arranged on the circumference of the outer ring portion of the mounting frame (11). The utility model has the characteristics of increasing the heat dissipation air volume and area, and improving the heat dissipation effect.
Description
Technical Field
The utility model relates to a motor rotor, in particular to a high-heat-dissipation motor rotor.
Background
The motor rotor refers to a rotating part in the motor, provides a magnetic field for a motor armature, and is a conversion device for realizing electric energy and mechanical energy conversion. When the motor works, the rotor can generate heat, if the heat dissipation is poor, the temperature can be increased, and the performance and the service life of the motor are affected. Therefore, the heat dissipation requirement and design of the motor rotor are key factors for ensuring efficient and stable operation of the motor.
The heat dissipation conductor of the motor is natural wind, natural wind is sucked from the rear end of the motor by a fan, and generated heat is discharged from the front end by taking the natural wind as a carrier through the motor armature. But the fan structure that current adopted is comparatively simple singlely, because the position is limited, and the air output is less, and the air gap is very little between motor rotor and the stator moreover, and ventilation channel in the rotor is less, and the passage area is less, only dispels the heat to motor rotor's outside, and the radiating range is little, and the ventilation volume of motor inside is very limited, has influenced the heat dispersion of motor.
Disclosure of utility model
The utility model aims to provide a high-heat-dissipation motor rotor. The utility model has the characteristics of increasing the heat radiation air quantity and area and improving the heat radiation effect.
The technical scheme includes that the high-heat-dissipation motor rotor comprises a rotor shaft and a rotor body, wherein the rotor body comprises a rotor core formed by silicon steel sheets, end rings are arranged at two ends of the rotor core, a plurality of first heat dissipation blades are arranged on the circumference of the outer side surface of each end ring, a ventilation pipeline penetrating through the two end rings is arranged between every two adjacent first heat dissipation blades, an annular mounting frame is arranged at the tail end of the rotor shaft, a plurality of second heat dissipation blades connected with the rotor shaft are arranged on the circumference of the inner ring portion of the mounting frame, and a plurality of third heat dissipation blades are arranged on the circumference of the outer ring portion of the mounting frame.
In the high-heat-dissipation motor rotor, the inner circumference of the silicon steel sheet is provided with a plurality of ventilation holes communicated with the central shaft hole, a plurality of positioning convex blocks are symmetrically distributed on the inner ring surface of the silicon steel sheet, and a plurality of staggered winding grooves and ventilation grooves are circumferentially arranged on the outer ring surface of the silicon steel sheet.
In the high heat dissipation motor rotor, the heat conducting strips are arranged in the ventilation grooves and are T-shaped, and gaps are reserved between the heat conducting strips and the ventilation grooves.
In the high heat dissipation motor rotor, the second heat dissipation blade and the third heat dissipation blade are all sickle-shaped with small inner ends and large outer ends, one end angle of the outer edge of the third heat dissipation blade is a round angle larger than 120 degrees, and the other end angle is an acute angle smaller than 30 degrees.
In the foregoing high heat dissipation motor rotor, the area of the second heat dissipation fins is smaller than the area of the third heat dissipation fins, and the number of the second heat dissipation fins is smaller than the number of the third heat dissipation fins.
In the foregoing high heat dissipation motor rotor, a plurality of wavy heat dissipation grooves are provided on a surface of the first heat dissipation blade.
Compared with the prior art, the utility model has the beneficial effects that:
The utility model forms a multi-layer structure through the first radiating blades, the second radiating blades and the third radiating blades to synchronously rotate, increases air quantity and air pressure, forms a large amount of air flow outside the rotor to quickly take away the heat outside the rotor, and is provided with a plurality of ventilating ducts on the end ring, so that the cooling air flow can penetrate through the rotor body through the ventilating ducts to take away the heat inside the rotor. Therefore, the utility model carries out heat radiation treatment on the rotor from the inner aspect and the outer aspect, enlarges the heat radiation area and improves the heat radiation efficiency and the effect of the rotor.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic structural view of an end ring.
Fig. 3 is a schematic structural view of a silicon steel sheet.
Fig. 4 is a schematic structural view of the mounting frame.
Fig. 5 is a schematic structural view of a first heat dissipating fin.
The drawing comprises 1 part of a rotor shaft, 11 parts of a mounting rack, 12 parts of a second radiating blade, 13 parts of a third radiating blade, 2 parts of a rotor core, 21 parts of a silicon steel sheet, 22 parts of ventilation holes, 23 parts of positioning convex blocks, 24 parts of a winding groove, 25 parts of a ventilation groove, 26 parts of a heat conducting strip, 3 parts of an end ring, 31 parts of a first radiating blade, 32 parts of a ventilation pipeline, 33 parts of a heat radiating groove.
Detailed Description
The utility model is further illustrated by the following figures and examples, which are not intended to be limiting.
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediary, or in communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Examples:
As shown in fig. 1-5, a high heat dissipation motor rotor comprises a rotor shaft 1 and a rotor body, wherein the rotor body comprises a rotor core 2 formed by silicon steel sheets 21, end rings 3 are arranged at two ends of the rotor core 2, a plurality of first heat dissipation blades 31 are arranged on the circumference of the outer side surface of each end ring 3, ventilation pipes 32 penetrating through the two end rings 3 are arranged between every two adjacent first heat dissipation blades 31, an annular mounting frame 11 is arranged at the tail end of the rotor shaft 1, a plurality of second heat dissipation blades 12 connected with the rotor shaft 1 are arranged on the circumference of the inner ring part of the mounting frame 11, and a plurality of third heat dissipation blades 13 are arranged on the circumference of the outer ring part of the mounting frame 11.
The rotor drives the first radiating blade 31, the second radiating blade 12 and the third radiating blade 13 to synchronously rotate in the rotating process, airflow is formed outside the rotor to take away heat outside the rotor, the first radiating blade 31, the second radiating blade 12 and the third radiating blade 13 form a multi-layer structure, the air quantity and the air pressure are increased, the air flow speed is accelerated, the radiating efficiency is improved, the first radiating blade 31, the second radiating blade 12 and the third radiating blade 13 are positioned at different positions, the airflow circulation range is enlarged, the radiating effect is improved, a plurality of ventilation pipelines 32 are further arranged on the end ring 3, and cooling airflow can penetrate through the rotor body through the ventilation pipes, so that heat inside the rotor is taken away, and the radiating effect of the rotor is improved.
The inside circumference of the silicon steel sheet 21 is provided with a plurality of ventilation holes 22 communicated with the central shaft hole, a plurality of positioning convex blocks 23 are symmetrically distributed on the inner annular surface of the silicon steel sheet 21, and a plurality of winding grooves 24 and ventilation grooves 25 which are distributed in a staggered manner are circumferentially arranged on the outer annular surface of the silicon steel sheet 21. The ventilation holes 22 are formed in the silicon steel sheet 21, so that a ventilation and heat dissipation channel for cooling air is formed between the rotor body and the rotor shaft 1, and the ventilation grooves 25 are formed in the silicon steel sheet 21, so that a ventilation and heat dissipation channel for cooling air is formed between the silicon steel sheet 21 and the motor stator, the air circulation space is enlarged, more heat of all parts of the motor is taken away from the inner aspect and the outer aspect, and the heat dissipation capacity of the rotor is improved. And the positioning lug 23 on the silicon steel sheet 21 is matched with the key groove on the rotor shaft 1 for positioning, so that the connection stability of the rotor shaft 1 and the rotor is improved.
The ventilation groove 25 is internally provided with a heat conducting strip 26, the heat conducting strip 26 is T-shaped, and a gap is reserved between the heat conducting strip 26 and the ventilation groove 25. The heat conducting strip 26 conducts heat, and the heat conducting area is enlarged in the T-shaped shape, gaps between the heat conducting strip and the ventilation grooves 25 are reserved for air flow circulation, and the heat dissipation effect is improved.
The second radiating blade 12 and the third radiating blade 13 are sickle-shaped, the inner ends of the second radiating blade and the third radiating blade are small, the outer ends of the second radiating blade and the third radiating blade are large, the air flow direction is optimized, the load is reduced, one end angle of the outer edge of the third radiating blade 13 is a round angle larger than 120 degrees, and the other end angle of the outer edge of the third radiating blade is an acute angle smaller than 30 degrees. The third radiating blades 13 are positioned at the outermost side of the rotor, one end of the outer edge is provided with a larger round angle, so that the wind speed can be increased, the other end of the outer edge is provided with an acute angle smaller than 30 degrees, the impact on the air flow is reduced, the generation of air flow vortex and backflow is reduced, and the generation of noise is reduced.
The area of the second heat dissipating fins 12 is smaller than the area of the third heat dissipating fins 13, and the number of the second heat dissipating fins 12 is smaller than the number of the third heat dissipating fins 13. The third heat dissipation blade 13 has a large area, improves the air quantity, has a small second heat dissipation area and reduces the load.
The surface of the first heat dissipating fin 31 is provided with a plurality of wavy heat dissipating grooves 33. The contact area between the air flow and the first heat radiating fins 31 is increased, and the heat radiating effect is improved.
The utility model is not described in detail in the prior art and is not specifically described herein.
Claims (6)
1. The high-heat-dissipation motor rotor comprises a rotor shaft (1) and a rotor body, wherein the rotor body comprises a rotor core (2) formed by silicon steel sheets (21), end rings (3) are arranged at two ends of the rotor core (2), and the high-heat-dissipation motor rotor is characterized in that a plurality of first heat-dissipation blades (31) are arranged on the circumference of the outer side face of each end ring (3), ventilation pipelines (32) penetrating through the two end rings (3) are arranged between every two adjacent first heat-dissipation blades (31), an annular mounting frame (11) is arranged at the tail end of the rotor shaft (1), a plurality of second heat-dissipation blades (12) connected with the rotor shaft (1) are arranged on the circumference of the inner ring part of the mounting frame (11), and a plurality of third heat-dissipation blades (13) are arranged on the circumference of the outer ring part of the mounting frame (11).
2. The high-heat-dissipation motor rotor as set forth in claim 1, wherein the inner circumference of the silicon steel sheet (21) is provided with a plurality of ventilation holes (22) communicated with the central shaft hole, a plurality of positioning convex blocks (23) are symmetrically distributed on the inner ring surface of the silicon steel sheet (21), and a plurality of winding grooves (24) and ventilation grooves (25) which are distributed in a staggered manner are circumferentially arranged on the outer ring surface of the silicon steel sheet (21).
3. The high heat dissipation motor rotor as set forth in claim 2, wherein the ventilation groove (25) is provided with a heat conducting strip (26), the heat conducting strip (26) is T-shaped, and a gap is left between the heat conducting strip (26) and the ventilation groove (25).
4. The high heat dissipation motor rotor as set forth in claim 1, wherein the second heat dissipation blades (12) and the third heat dissipation blades (13) are sickle-shaped with small inner ends and large outer ends, and one end angle of the outer edge of the third heat dissipation blades (13) is a round angle larger than 120 degrees, and the other end angle is an acute angle smaller than 30 degrees.
5. A high heat dissipating motor rotor according to claim 1, wherein the second heat dissipating fins (12) have an area smaller than the area of the third heat dissipating fins (13), and the number of the second heat dissipating fins (12) is smaller than the number of the third heat dissipating fins (13).
6. A high heat dissipation motor rotor as set forth in claim 1, wherein a plurality of wave-like heat dissipation grooves (33) are provided on the surface of the first heat dissipation blade (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422258602.9U CN223109746U (en) | 2024-09-13 | 2024-09-13 | A high heat dissipation motor rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422258602.9U CN223109746U (en) | 2024-09-13 | 2024-09-13 | A high heat dissipation motor rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223109746U true CN223109746U (en) | 2025-07-15 |
Family
ID=96314507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422258602.9U Active CN223109746U (en) | 2024-09-13 | 2024-09-13 | A high heat dissipation motor rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223109746U (en) |
-
2024
- 2024-09-13 CN CN202422258602.9U patent/CN223109746U/en active Active
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