CN219322225U

CN219322225U - Air-cooled internal circulation motor heat dissipation mechanism

Info

Publication number: CN219322225U
Application number: CN202320814104.0U
Authority: CN
Inventors: 陈志涛; 陈志扬
Original assignee: Dezhou Wangci Technology Co ltd
Current assignee: Dezhou Wangci Technology Co ltd
Priority date: 2023-04-13
Filing date: 2023-04-13
Publication date: 2023-07-07
Anticipated expiration: 2033-04-13

Abstract

The utility model belongs to the field of motor heat dissipation, and in particular relates to an air-cooled internal circulation motor heat dissipation mechanism, which comprises a motor body, wherein the motor body comprises a shell, a rotor, a stator and a rotating shaft, blades are arranged on the rotating shaft, a guide cover is arranged between the blades and the shell, the guide cover is fixed on the inner wall of the shell, a plurality of first ventilation grooves and second ventilation grooves are respectively and uniformly arranged on the outer walls of the guide cover and the stator, a plurality of first heat dissipation grooves corresponding to the first ventilation grooves and the second ventilation grooves are arranged on the inner wall of the shell, an external circulation channel is formed after the first ventilation grooves and the second ventilation grooves correspond to the first heat dissipation grooves, and the external circulation channel is communicated with the internal circulation channel between the rotor and the stator to form air-cooled internal circulation.

Description

Air-cooled internal circulation motor heat dissipation mechanism

Technical Field

The utility model belongs to the field of motor heat dissipation, and particularly relates to an air-cooled internal circulation motor heat dissipation mechanism.

Background

When the motor is in operation, heat is mainly generated at the coil and the rotor, the heat exchange device of the existing motor mainly exchanges heat with the cooler through heat exchange airflow passing through the outer side of the shell of the motor to dissipate heat of the motor, and part of the motor also dissipates heat through water cooling.

There are also some internal circulation heat dissipation mechanisms, such as patent CN111641292a, which discloses an internal circulation heat dissipation generator, comprising a motor casing, an internal circulation heat conduction mechanism and a heat dissipation mechanism (400), wherein the motor casing is composed of an inner casing (200) with two ends open in a cylindrical shape and a closed outer casing (300), the inner casing (200) is arranged in the outer casing (300), a rotor (500) and a stator (600) are arranged in the inner casing (200), the rotor (500) is mounted on a rotating shaft (100), the stator (600) is fixed on the inner wall of the inner casing (200), the internal circulation heat conduction mechanism is used for circularly conducting heat generated by the rotor (500) in the inner casing (200) to the heat dissipation mechanism (400), and the heat dissipation mechanism (400) is arranged on the outer casing (300) and used for dissipating the heat to the outside;

however, the structure is complex, the motor is greatly improved, the motor is required to be internally improved, a heat dissipation mechanism (400) is required to be externally added, the production cost is greatly increased, and the motor is not easy to be applied to the actual industry.

Disclosure of Invention

The utility model provides an air-cooled internal circulation motor heat dissipation mechanism which can solve the problems pointed out in the background art.

The utility model provides an forced air cooling inner loop motor cooling mechanism, includes the motor body, the motor body includes casing, rotor, stator and pivot, be equipped with the blade in the pivot, the blade with be equipped with the kuppe between the casing, the kuppe is fixed on the shells inner wall, the kuppe and evenly set up a plurality of first ventilation groove and second ventilation groove on the outer wall of stator respectively, be equipped with on the shells inner wall with a plurality of first heat dissipation groove that corresponds of first ventilation groove, second ventilation groove, form outer circulation channel after first ventilation groove, second ventilation groove corresponds with first heat dissipation groove, outer circulation channel with the inner circulation channel intercommunication between rotor and the stator to form forced air cooling inner loop.

Preferably, the first heat dissipation groove comprises a plurality of small heat dissipation groove bodies.

Preferably, a plurality of second heat dissipation grooves are formed in the outer wall of the rotor.

The beneficial effects are that: the utility model provides an air-cooled internal circulation motor heat dissipation mechanism which has the characteristics of simple structure, convenience in transformation and the like, does not need to greatly change the existing mechanism, can complete internal circulation heat dissipation by only adding a guide cover and correspondingly arranging a ventilation groove and a first heat dissipation groove, and has the advantages of low cost, convenience in production and strong practicability.

Drawings

Figure 1 is a schematic view of the structure of the present utility model,

figure 2 is a schematic view of the structure of the housing, rotor and stator of the present utility model,

figure 3 is an enlarged schematic view of the utility model at a in figure 2,

figure 4 is a schematic cross-sectional view (flow schematic) of the present utility model,

reference numerals illustrate:

reference numerals in the drawings: a housing 1; a first heat radiation groove 11; a small groove 111; a rotor 2; a second heat radiation groove 21; a stator 3; a second ventilation groove 31; a rotating shaft 4; blades 5, a guide cover 6; a first ventilation groove 61; an outer circulation passage 7; and an inner circulation passage 8.

Detailed Description

One embodiment of the present utility model will be described in detail below with reference to the attached drawings, but it should be understood that the scope of the present utility model is not limited by the embodiment.

Example 1:

as shown in fig. 1-4, the air-cooled internal circulation motor heat dissipation mechanism provided by the embodiment of the utility model comprises a motor body, wherein the motor body comprises a shell 1, a rotor 2, a stator 3 and a rotating shaft 4, the rotating shaft 4 is provided with blades 5, a guide cover 6 is arranged between the blades 5 and the shell 1, the guide cover 6 is fixed on the inner wall of the shell 1, a plurality of first ventilation grooves 61 and second ventilation grooves 31 are uniformly arranged on the outer walls of the guide cover 6 and the stator 3 respectively, a plurality of first heat dissipation grooves 11 corresponding to the first ventilation grooves 61 and the second ventilation grooves 62 are arranged on the inner wall of the shell 1, an external circulation channel 7 is formed after the first ventilation grooves 61 and the second ventilation grooves 31 correspond to the first heat dissipation grooves 11, the external circulation channel 7 is communicated with an internal circulation channel 8 between the rotor 2 and the stator 3, the internal circulation channel 8 is a gap between the rotor 2 and the stator 3 so as to form air-cooled internal circulation, the first heat dissipation grooves 11 comprise a plurality of small heat dissipation grooves 111, the small heat dissipation areas 111 are arranged so as to be larger,

the outer wall of the rotor 2 is provided with a plurality of second heat dissipation grooves 21, which is more beneficial to internal circulation heat dissipation.

The working principle of the utility model is as follows: the rotating shaft 4 drives the blades 5 to do work, the blades 5 drive the airflow to flow, namely, the airflow flows circularly in the flowing direction shown by the arrow in fig. 4, when the airflow passes through the first heat dissipation groove 11, part of heat is absorbed, and then is conducted to the outside through the shell 1, so that the heat generated by the motor is continuously and outwards dissipated, and the purpose of internal circulation heat dissipation is achieved.

The foregoing disclosure is merely illustrative of some embodiments of the utility model, but the embodiments are not limited thereto and variations within the scope of the utility model will be apparent to those skilled in the art.

Claims

1. The utility model provides an air-cooled inner loop motor cooling mechanism, includes the motor body, the motor body includes casing (1), rotor (2), stator (3) and pivot (4), its characterized in that: be equipped with blade (5) on pivot (4), blade (5) with be equipped with kuppe (6) between casing (1), kuppe (6) are fixed on casing (1) inner wall, kuppe (6) and evenly set up a plurality of first ventilation groove (61) and second ventilation groove (31) on the outer wall of stator (3) respectively, be equipped with on casing (1) inner wall with a plurality of first heat dissipation groove (11) that first ventilation groove (61), second ventilation groove (31) correspond, form outer circulation channel (7) after first ventilation groove (61), second ventilation groove (31) correspond with first heat dissipation groove (11), outer circulation channel (7) with inner circulation channel (8) between rotor (2) and stator (3) communicate, in order to form the forced air cooling inner loop.

2. The air-cooled internal circulation motor heat dissipation mechanism of claim 1, wherein: the first heat dissipation groove (11) comprises a plurality of small heat dissipation groove bodies (111).

3. The air-cooled internal circulation motor heat dissipation mechanism of claim 1, wherein: the outer wall of the rotor (2) is provided with a plurality of second heat dissipation grooves (21).