CN220673569U

CN220673569U - Air-cooled motor housing

Info

Publication number: CN220673569U
Application number: CN202322146103.6U
Authority: CN
Inventors: 毛明清; 毛海豪
Original assignee: Taizhou Zhifang Polytron Technologies Inc
Current assignee: Taizhou Zhifang Polytron Technologies Inc
Priority date: 2023-08-10
Filing date: 2023-08-10
Publication date: 2024-03-26
Anticipated expiration: 2033-08-10

Abstract

The utility model provides an air-cooled motor shell, belongs to the field of motors, and solves the problem of insufficient heat dissipation caused by the fact that the existing air-cooled motor shell only dissipates heat by a fan. According to the utility model, the cooling pipeline is additionally arranged in the fan cover, cold water is introduced into the cooling pipeline, after the air flow driven by the cooling fan is cooled by the cooling pipeline, the cooling effect is enhanced, the air guide plate is covered on the cooling fins, the air guide plate and the cooling fins form an air channel, the air channel is narrowed in the stator mounting area of the shell body, the air flow is accelerated, and the cooling effect is enhanced; the both ends of casing main part are provided with front end housing and baffle, and the vent has been seted up to front end housing and baffle, and the cooling air current cools off inside the motor through the vent, sets up dust screen filtration impurity simultaneously. The utility model has the advantages that by additionally arranging the cooling flow passage and arranging the ventilation openings at the two ends of the shell in the narrowing air duct of the main heat generating area, the air cooling effect is enhanced, the uniform heat dissipation of the motor shell is ensured, and the damage to the motor shell is reduced.

Description

Air-cooled motor housing

Technical Field

The utility model belongs to the field of motors, and relates to a shell, in particular to an air-cooled motor shell.

Background

Most of the existing air-cooled generators adopt a fan arranged in a motor shell to drive external airflow and airflow in the motor to generate circulation flow, so that heat dissipation of the motor is promoted. But the fan heat dissipation ability of installing additional on the motor is weaker, and the heat in the motor is difficult to dispel, and outside air exists impurity, and impurity influences the motor operation easily, reduces motor life-span, and motor housing heat dissipation is uneven simultaneously, and the stator coil section of main heat production can't concentrate the heat dissipation, causes motor housing deformation easily under the long-time, influences the operation of motor.

The utility model solves the problems of excessive air-cooling shells, low assembly efficiency, complex requirements on the appearance of the stator shell, high cost and the like of the traditional air-cooling shell, such as an air-cooling motor set shell with the patent number of CN20161022486. X, and changes the traditional four or more air-cooling shells into two air-cooling shells and provides a locking device between the air-cooling shell and the stator shell.

There is an optimization space in the above utility model: the fan which is independently arranged outside the shell is difficult to meet the heat dissipation requirement of the motor, the stator coil in the motor is difficult to dissipate heat, the stator shell and the air cooling shell are locked and additionally arranged, the contact area of the stator shell and the air cooling shell is small, the fan is easy to dissipate heat of the air cooling shell, and the heat on the stator shell is difficult to dissipate; the motor shell is uneven in heat dissipation and easy to disperse and deform.

Disclosure of Invention

The present utility model has been made keeping in mind the above problems occurring in the prior art, and an object of the present utility model is to provide an air-cooled motor housing.

The aim of the utility model can be achieved by the following technical scheme: an air-cooled motor shell consists of a shell body and a fan cover, wherein a cooling pipeline is arranged in the fan cover, two ends of the cooling pipeline are a water inlet and a water outlet and penetrate through the fan cover, a radiating fin is arranged on the shell body, a plurality of raised strips are arranged on the shell body, grooves are formed in the side faces of the raised strips, and an air deflector is arranged in the grooves, and the radiating fin and the air deflector form an air duct; the air duct narrows in a stator region of the housing body.

In the air-cooled motor housing, the air guide guard plate is provided with a pull ring.

In the air-cooled motor shell, the water inlet and the water outlet are connected with each other through threads and are provided with the guide pipes, and sealing gaskets are arranged on the top surfaces of the water inlet and the water outlet.

In the air-cooled motor housing, a first ventilation opening is formed in the end face of the fan housing, and a first dust screen is arranged on the inner side of the first ventilation opening.

In the air-cooled motor shell, the front end cover and the partition plate are arranged at two ends of the shell body, the second ventilation opening is formed in the front end cover, the third ventilation opening is formed in the partition plate, and the second dust screen is arranged on the inner sides of the front end cover and the partition plate.

In the air-cooled motor housing, the housing is a cast aluminum housing.

Compared with the prior art, the utility model has the advantages that: a cooling flow passage is additionally arranged in the fan cover, so that the temperature of air flow blown out by the fan is reduced, and the cooling effect is enhanced; the heat dissipation fins are narrowed in the stator area, and an air deflector is externally arranged to guide and accelerate the flow of cooling air flow so as to accelerate the heat dissipation in the stator area; the front end cover and the rear end cover are additionally provided with ventilation openings and dust screens, and cooling air flows through the inside of the motor to dissipate heat; the main heat-generating area on the motor shell is used for concentrated heat dissipation, so that the motor shell is ensured to dissipate heat uniformly, and the deformation of the motor shell is prevented, and the operation of the motor is influenced.

Drawings

FIG. 1 is a schematic structural view of an air-cooled motor housing;

FIG. 2 is a cross-sectional view of an air-cooled motor housing;

FIG. 3 is a schematic structural view of a fan housing of an air-cooled motor housing;

FIG. 4 is a schematic structural view of a front end cover of an air-cooled motor housing;

FIG. 5 is an enlarged view of circle A of FIG. 2;

1, a shell main body; 11. a heat radiation fin; 12. a convex strip; 121. a groove; 2. a fan cover; 21. a cooling pipe; 211. a water inlet; 212. a water outlet; 213. a sealing gasket; 22. a first ventilation opening; 3. an air duct; 4. an air deflector; 41. a pull ring; 5. a conduit; 6. a first dust screen; 7. a front end cover; 71. a second ventilation opening; 8. a partition plate; 81. a third ventilation opening; 9. and a second dust screen.

Detailed Description

The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

As shown in fig. 1 to 5, the present utility model can be realized by the following embodiments: an air-cooled motor shell comprises a shell body 1 and a fan cover 2, wherein a cooling pipeline 21 is arranged in the fan cover 2, two ends of the cooling pipeline 21 are respectively provided with a water inlet 211 and a water outlet 212, the water inlet 211 and the water outlet 212 penetrate through the fan cover 2, a radiating fin 11 is arranged on the shell body 1, 4 convex strips 12 are arranged on the shell body 1, the fan cover 2 is arranged on the convex strips 12, grooves 121 are formed in the side surfaces of the convex strips 12, air deflectors 4 are arranged in the grooves 121, gaps exist among the radiating fins 11, an air duct 3 is formed by adding the air deflectors 4, and the air duct 3 is narrowed in a stator area on the shell body 1.

The working principle of the utility model is as follows: when the motor works, the motor rotating shaft drives the fan to rotate, air flow of the fan passes through the cooling pipeline 21, coolant in the cooling pipeline 21 is water, the air flow subjected to cooling treatment enters the air duct 3, cooling air flow is converged, heat on the shell body 1 is taken away, the cooling effect is enhanced, the air duct 3 positioned in the stator area is narrowed, the flow of the air flow is accelerated, the cooling effect is further enhanced, and the main heat generating area is ensured to be effectively cooled.

As shown in fig. 1 and 2, the wind deflector 4 is provided with a pull ring 41. The arrangement of the pull ring 41 facilitates the assembly of the air deflector 4 and reduces the time for assembling the motor housing.

As shown in fig. 1 to 3, the ports of the water inlet 211 and the water outlet 212 are connected with the guide pipe 5, and sealing gaskets 213 are arranged at the positions of the water inlet 211 and the water outlet 212. The guide pipe 5 is used for connecting a water pipe, and the water pipe is connected into the guide pipe 5 to prevent water flow leakage; the water inlet 211 and the water outlet 212 are provided with sealing washers 213 for preventing leakage of water flow, resulting in a short circuit of the motor.

As shown in fig. 3, a sealing washer 213 is provided on the end surface of the fan housing 2, and a dust screen 6 is attached to the inner side of the sealing washer 213. The sealing gasket 213 is arranged for air flow inside and outside the motor, so that the normal operation of the cooling function of the fan is ensured; the first dust screen 6 is used for filtering impurities in the air.

As shown in fig. 1 and 2, the left and right ends of the housing body 1 are provided with a front end cover 7 and a partition plate 8, the front end cover 7 is provided with a second vent 71, the partition plate 8 is provided with a third vent 81, and the inner sides of the front end cover 7 and the partition plate 8 are provided with a second dust screen 9. The second dust screen 9 can be provided with a shaft hole for the rotating shaft to pass through; the front end cover 7 and the partition plate 8 mainly seal the shell body 1, and the second vent 71 and the third vent 81 are arranged to enable air flow to pass through the motor, so that the cooling effect is improved; the second dust screen 9 further filters impurities in the air flow.

As shown in fig. 1, the housing body 1 is a cast aluminum housing. Cast aluminum has good heat conductivity, and is convenient for the heat dissipation of the shell body 1.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Although various terms are used more herein, the use of other terms is not precluded. These terms are used merely for convenience in describing and explaining the nature of the utility model; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present utility model.

Claims

1. An air-cooled motor housing comprises a housing main body (1) and a fan cover (2), and is characterized in that: a cooling pipeline (21) is arranged in the fan housing (2), a water inlet (211) and a water outlet (212) are arranged at two ends of the cooling pipeline (21) and penetrate through the fan housing (2), a radiating fin (11) is arranged on the housing main body (1), a plurality of raised strips (12) are arranged on the housing main body (1), grooves (121) are formed in the side faces of the raised strips (12), air deflectors (4) are arranged in the grooves (121), and the radiating fin (11) and the air deflectors (4) form an air duct (3); the air duct (3) narrows in the stator region of the housing body (1).

2. An air-cooled motor housing according to claim 1, characterized in that the air deflector (4) is provided with a pull ring (41).

3. An air-cooled motor housing according to claim 1, wherein the water inlet (211) and the water outlet (212) are provided with a guide pipe (5) through threaded connection, and sealing gaskets (213) are arranged on the top surfaces of the water inlet (211) and the water outlet (212).

4. An air-cooled motor housing according to claim 1, wherein a first ventilation opening (22) is provided on an end surface of the fan housing (2), and a first dust screen (6) is provided inside the first ventilation opening (22).

5. An air-cooled motor housing according to claim 1, wherein a front end cover (7) and a partition plate (8) are mounted at two ends of the housing main body (1), a vent second (71) is formed in the front end cover (7), a vent third (81) is formed in the partition plate (8), and a dust screen second (9) is arranged inside the front end cover (7) and the partition plate (8).

6. An air-cooled motor housing according to claim 1, wherein the housing is a cast aluminum housing.