CN218633556U

CN218633556U - Air-cooled motor radiating through aluminum profile base interlayer

Info

Publication number: CN218633556U
Application number: CN202223027251.8U
Authority: CN
Inventors: 刘仲洋; 祁红飞; 姚立波
Original assignee: Zhejiang Saifu Electromechanical Technology Co ltd
Current assignee: Zhejiang Saifu Electromechanical Technology Co ltd
Priority date: 2022-11-15
Filing date: 2022-11-15
Publication date: 2023-03-14
Anticipated expiration: 2032-11-15

Abstract

The utility model provides an air-cooled motor radiating through aluminium alloy frame intermediate layer, including front end housing, shell, stator winding, rotor, fan blade, cantilever shaft, back shroud and inner shell, shell and inner shell constitute the frame of taking the intermediate layer ventilation groove, and the both ends of frame are fixedly connected with front end housing and back shroud respectively, are equipped with the air outlet on the front end housing, and the air outlet corresponds the intercommunication with the intermediate layer ventilation groove, and the central point of back shroud puts and is equipped with the air intake, and the air intake corresponds with the fan blade that sets up on the rotor; the inner shell is provided with an annular gap at a position close to the rear cover plate to form an air inlet groove, and the air inlet groove is communicated with the interlayer ventilation groove. The utility model has the advantages that: dispel the heat through frame intermediate layer and stator winding encapsulating, avoided the stator winding to receive the risk of adsorbing debris completely, effectively promote the motor radiating effect, promote motor life.

Description

Air-cooled motor radiating through aluminum profile base interlayer

Technical Field

The utility model relates to an air-cooled motor mainly is a through radiating air-cooled motor of aluminium alloy frame intermediate layer.

Background

Most of the known air-cooled motor ventilation modes are heat dissipation through fans, air is blown out from the interior of the motor, and sucked scrap iron and impurities are adsorbed in air gaps among a copper wire winding, a stator and a rotor in the ventilation process. The ventilation mode has certain damage to a stator winding and a rotor of the motor, the high temperature of the motor is easily caused, and the normal operation of the motor is influenced by the overhigh temperature rise of the motor.

Chinese patent CN201266864Y discloses a motor base with an interlayer air duct, the base is in an outer square and inner round shape, an inner air duct and an outer air duct are arranged between the inner wall and the outer wall of the base, the inner air duct and the outer air duct are arranged alternately, and an inner air duct air inlet communicated with the inner air duct is arranged on the inner wall of the base. The defects are as follows: 1. the two air channels of the inner air channel and the outer air channel are arranged at intervals and are not communicated with each other, the air inlet of the inner air channel only can be arranged to be a smaller opening because of corresponding to the inner air channel, and if the air inlet is enlarged, the air inlet can interfere with the outer air channel, so that the air inlet amount is not large, and the heat dissipation efficiency is not high. 2. In the two air channels, two fans at the shaft end of the motor and two fans inside the motor are used for exhausting air, two air circulations are formed in the inner air channel and the outer air channel, and the inner air channel and the outer air channel transfer heat through the wall of the machine base, so that one fan needs to be additionally arranged outside, the structure is complex, and the cost is high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the not enough of prior art existence, and provide a through radiating air-cooled motor of aluminium alloy frame intermediate layer.

The purpose of the utility model is accomplished through following technical scheme. An air-cooled motor radiating heat through an interlayer of an aluminum profile base comprises a front end cover, an outer shell, a stator winding, a rotor, fan blades, a cantilever shaft, a rear cover plate and an inner shell, wherein the outer shell and the inner shell form the base with interlayer ventilation grooves; the inner shell is provided with an annular gap at a position close to the rear cover plate to form an air inlet groove, and the air inlet groove is communicated with the interlayer ventilation groove.

Furthermore, the outer shell and the inner shell are connected with each other along the radial direction through reinforcing ribs, and interlayer ventilating grooves are formed between the adjacent reinforcing ribs.

Furthermore, a plurality of air outlets are formed in the circumferential direction of the front end cover close to the edge, and each air outlet is communicated with the corresponding interlayer ventilation groove.

Furthermore, the interlayer ventilation groove is internally provided with a plurality of heat dissipation ribs, the heat dissipation ribs are arranged in parallel with the interlayer ventilation groove along the length direction, a certain gap is formed between the top surface of each heat dissipation rib and the upper surface of the interlayer ventilation groove, and the bottom surface of each heat dissipation rib is connected with the outer wall of the inner shell.

Furthermore, the end face of the reinforcing rib is provided with a mounting hole for connecting the front end cover and the shell.

Furthermore, the fan blade is of a centrifugal fan blade structure.

The utility model has the advantages that:

1. the air inlet is arranged at the center of the rear cover plate and corresponds to the fan blades arranged on the rotor, so that the air entering from the center is directly blown to the notches of the inner shell wall along the radial direction through the rotation of the fan blades, thereby shortening the air inlet and exhaust time and accelerating the heat dissipation speed;

2. the inner shell is provided with an annular gap at a position close to the rear cover plate to form an air inlet groove, the air inlet groove is communicated with the interlayer ventilation groove, and the gap is a whole circle of annular opening, so that the air inlet amount is large, and the heat dissipation effect is improved.

3. The inner shell and the outer shell are connected with each other through reinforcing ribs, and interlayer ventilating grooves are formed between adjacent reinforcing ribs and are uniformly distributed along the circumference, so that the heat dissipation capacity is large, and the heat dissipation is uniform; meanwhile, the reinforcing ribs improve the overall strength of the base.

4. The interlayer ventilation groove is internally provided with a plurality of heat dissipation ribs, the heat dissipation ribs are arranged in parallel with the interlayer ventilation groove along the length direction, the bottom surfaces of the heat dissipation ribs are connected with the outer wall of the inner shell, the heat conduction transfer function is increased through the heat dissipation ribs, and heat is discharged from the interlayer ventilation groove.

5. Dispel the heat through frame intermediate layer and stator winding encapsulating, avoided the stator winding to receive the risk of adsorbing debris completely, effectively promote the motor radiating effect, promote motor life.

Drawings

Fig. 1 is a schematic view of a three-dimensional structure 1 of the present invention.

Fig. 2 is a schematic view of the structure of the present invention.

Fig. 3 is a schematic perspective view of the present invention 2.

Fig. 4 is a schematic perspective view of the rear cover plate removed.

FIG. 5 is a schematic cross-sectional view of the rear cover plate and the front end cap removed.

Fig. 6 is a schematic view of the three-dimensional structure of the present invention after being cut open.

Fig. 7 is a schematic perspective view of a frame composed of an inner shell and an outer shell according to the present invention.

Description of reference numerals: the wind power generator comprises a front end cover 1, an outer shell 2, a stator 3, a stator winding 4, a rotor 5, fan blades 6, a cantilever shaft 7, a rear cover plate 8, an air inlet 9, an air outlet 10, an interlayer ventilation groove 11, a heat dissipation rib 12, a mounting hole 13, an inner shell 14, a reinforcing rib 15 and an air inlet groove 16.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that, in the present invention, the embodiments or technical features described below may be arbitrarily combined to form a new embodiment without conflict.

As shown in fig. 1-6, the air-cooled motor radiating heat through the interlayer of the aluminum profile base comprises a front end cover 1, an outer shell 2, a stator 3, a stator winding 4, a rotor 5, fan blades 6, a cantilever shaft 7, a rear cover plate 8 and an inner shell 14, wherein the outer shell 2 and the inner shell 14 form the base, the base is formed by stretching an aluminum profile, and the base is of an interlayer structure and is provided with 12 equally-divided interlayer ventilation grooves 11. Be equipped with cantilever shaft 7 in the inner shell 14, rotor 5 is established to the cover on the cantilever shaft 7, and rotor 5 rear end is equipped with fan blade 6, rotor 6 is equipped with stator 3 outward, and the stator 3 outer fringe is equipped with stator winding 4, and stator winding adopts the encapsulating technique, has avoided stator winding to receive the risk of adsorbing debris, and two ends of frame are fixedly connected with front end housing 1 and back shroud 8 respectively. The front end cover 1 is provided with 12 uniformly distributed air outlets 10 in the circumferential direction close to the edge, each air outlet 10 is communicated with a corresponding interlayer ventilation groove 11, and the air outlets 10 and the interlayer ventilation grooves 11 are equal in size. The central position of the back cover plate 8 is provided with an air inlet 9, the air inlet 9 corresponds to the fan blade 6 arranged on the rotor 5, the fan blade 6 is a centrifugal fan blade structure, so that the air entering from the center is directly blown to the gap of the inner shell wall along the radial direction through the rotation of the fan blade, thereby shortening the air inlet and exhaust time and accelerating the heat dissipation speed. The inner shell 14 is provided with an annular gap at a position close to the rear cover plate 8 to form an air inlet slot 16, the air inlet slot 16 is communicated with the interlayer ventilation slot 11, and the gap is a whole circle of annular opening, so that the air inlet amount is large, and the heat dissipation efficiency is improved.

As shown in fig. 7, the outer shell 2 and the inner shell 14 are connected with each other along the radial direction through the reinforcing ribs 15, and the interlayer ventilation slots 11 are formed between the adjacent reinforcing ribs 15 and are uniformly distributed along the circumference, so that the heat dissipation capacity is large and the heat dissipation is uniform; and meanwhile, the reinforcing ribs improve the overall strength of the base. And the end face of the reinforcing rib 15 is provided with a mounting hole 13 for connecting the front end cover 1 and the shell 2.

Interlayer ventilation groove 11 in be equipped with many heat dissipation muscle 12, heat dissipation muscle 12 is provided with certain clearance along length direction and interlayer ventilation groove 11 parallel arrangement between the top surface of heat dissipation muscle 12 and the upper surface of interlayer ventilation groove 11, the bottom surface of heat dissipation muscle 12 links to each other with the outer wall of inner shell 14, has increased the thermal conductance transmission function through the heat dissipation muscle to discharge the heat from interlayer ventilation groove.

The working principle is as follows: when the motor runs, the temperature of the stator is transmitted on the aluminum profile interlayer base, the rotor 5 rotates to drive the fan blades 6, wind is sucked from the air inlet 9 of the rear cover plate 8, the fan blades rotate to push the wind to the annular gap (air inlet groove 16) of the inner shell 14 close to the rear cover plate 8, the wind is blown to the base interlayer ventilation groove 11 from the air inlet groove 16, and finally the wind is blown out from the air outlet 10 of the front end cover 1, so that the heat dissipation of the motor is completed.

It should be understood that equivalent substitutions or changes to the technical solution and the inventive concept of the present invention should be considered to fall within the scope of the appended claims for the skilled person.

Claims

1. The utility model provides a through radiating air-cooled motor of aluminium alloy frame intermediate layer which characterized in that: the wind power generator comprises a front end cover (1), an outer shell (2), a stator (3), a stator winding (4), a rotor (5), fan blades (6), a cantilever shaft (7), a rear cover plate (8) and an inner shell (14), wherein the outer shell (2) and the inner shell (14) form a machine base with a sandwich ventilation groove (11), two ends of the machine base are fixedly connected with the front end cover (1) and the rear cover plate (8) respectively, an air outlet (10) is formed in the front end cover (1), the air outlet (10) is correspondingly communicated with the sandwich ventilation groove (11), an air inlet (9) is formed in the center of the rear cover plate (8), and the air inlet (9) corresponds to the fan blades (6) arranged on the rotor (5); an annular gap is formed in the position, close to the rear cover plate (8), of the inner shell (14) to form an air inlet groove (16), and the air inlet groove (16) is communicated with the interlayer ventilation groove (11).

2. The air-cooled motor capable of dissipating heat through the interlayer of the aluminum profile machine base according to claim 1, is characterized in that: the outer shell (2) and the inner shell (14) are connected with each other through reinforcing ribs (15) in the radial direction, and interlayer ventilation grooves (11) are formed between the adjacent reinforcing ribs (15).

3. The air-cooled motor capable of dissipating heat through the interlayer of the aluminum profile machine base according to claim 2, is characterized in that: the front end cover (1) is provided with a plurality of air outlets (10) in the circumferential direction close to the edge, and each air outlet (10) is communicated with the corresponding interlayer ventilation groove (11).

4. The air-cooled motor capable of dissipating heat through the interlayer of the aluminum profile machine base according to claim 3, is characterized in that: interlayer ventilation groove (11) in be equipped with many heat dissipation muscle (12), heat dissipation muscle (12) along length direction and interlayer ventilation groove (11) parallel arrangement, be provided with certain clearance between the top surface of heat dissipation muscle (12) and the upper surface of interlayer ventilation groove (11), the bottom surface of heat dissipation muscle (12) links to each other with the outer wall of inner shell (14).

5. The air-cooled motor capable of dissipating heat through the interlayer of the aluminum profile machine base according to claim 4, is characterized in that: and the end face of the reinforcing rib (15) is provided with a mounting hole (13) for connecting the front end cover (1) and the shell (2).

6. The air-cooled motor capable of dissipating heat through the interlayer of the aluminum profile machine base according to claim 5, is characterized in that: the fan blade (6) is of a centrifugal fan blade structure.