CN211429122U

CN211429122U - Air-cooled motor

Info

Publication number: CN211429122U
Application number: CN202020193837.3U
Authority: CN
Inventors: 李建军
Original assignee: Changsha Weidong Electromechanical Equipment Co ltd
Current assignee: Changsha Weidong Electromechanical Equipment Co ltd
Priority date: 2020-02-21
Filing date: 2020-02-21
Publication date: 2020-09-04
Anticipated expiration: 2030-02-21

Abstract

The utility model relates to the technical field of motors, in particular to an air-cooled motor which has simple structure, reasonable design, practical significance and popularization value and is expected to produce good economic benefit and comprises a rotor, a motor shell, a cooling fan, a controller and a cooling fin, the activity piece, a weighing sensor and a temperature sensor, annular electromagnet and heat dissipation coating, the rotor is installed in motor housing, motor housing is located to radiator fan terminal, the controller links to each other with motor housing, motor housing surface is located to a plurality of fin, the activity piece bottom links to each other with motor housing, a plurality of activity pieces are located adjacent fin middle part, activity piece top and activity piece bottom swing joint, activity piece right side installation torsional spring, temperature sensor installs on motor housing surface, annular electromagnet installs on motor housing, heat dissipation coating locates motor housing, fin and activity piece surface.

Description

Air-cooled motor

Technical Field

The utility model relates to the technical field of motors, specifically be an air-cooled motor.

Background

The motor is widely applied in industrial production and is often used as a driving element of various machines, and the prior art discloses a motor shell and a motor (application number: CN 201821359318.9), which comprise a shell, a first cover body, a second cover body, a cover body and a fan, wherein one end of the shell is connected with the first cover body, the other end of the shell is connected with the second cover body so as to form a containing cavity for containing a functional element of the motor, one end of the shell, which is positioned outside the second cover body, is sleeved with the cover body, the fan is arranged in the cover body, the fan is connected with the cover body, and one end of the cover body, which is far away from the; the first cover body is provided with a first ventilation hole, and the second cover body is provided with a second ventilation hole. Because the first ventilation hole has been seted up on the first lid, the second ventilation hole has been seted up on the second lid, this equipment can improve radiator fan's on the motor radiating efficiency, reduce the loss of fan blast air current, improve the heat dispersion of motor, but this technical scheme also has a great deal of shortcoming, the passageway that air current accessible air channel that the fan formed and second shielding plate formed is cooled down heating panel and casing, but this passageway is piled up the dust easily, and difficult clearance to it, consequently, improve on prior art's basis, research and development one kind can improve radiator fan's on the motor radiating efficiency, it will have positive meaning to reduce the motor that the dust is difficult to the clearance problem can not appear piling up on the surface simultaneously in the air current loss.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an air-cooled motor to solve the problem that mentions in the background art.

In order to achieve the above purpose, the utility model provides a technical scheme that the device comprises a rotor, a motor shell, a heat radiation fan, a controller, heat radiation fins, movable plates, a temperature sensor, an annular electromagnet and a heat radiation coating, wherein the rotor is arranged in the motor shell, the heat radiation fan is arranged at the tail end of the motor shell, the controller is connected with the motor shell, a plurality of heat radiation fins are arranged on the surface of the motor shell, the bottom ends of the movable plates are connected with the motor shell, a plurality of movable plates are arranged at the middle parts of the adjacent heat radiation fins, the tops of the movable plates are movably connected with the bottoms of the movable plates, the right sides of the movable plates are provided with torsional springs, the two ends of the torsional springs respectively support against the tops and the bottoms of the movable plates, the temperature sensor is embedded and arranged on the surface of the, when the annular electromagnet is electrified, the annular electromagnet and the top of the movable sheet are mutually attracted, the temperature sensor and the annular electromagnet are both connected and controlled by the controller, and the heat dissipation coating is arranged on the surface of the motor shell, the heat dissipation sheet and the surface of the movable sheet.

Preferably, the heat dissipation coating is a graphene coating.

Preferably, the top of the movable sheet is movably connected with the bottom of the movable sheet through a hinge.

Preferably, the heat sink and the motor housing are of an integrated structure.

Preferably, when the annular electromagnet attracts the top of the movable sheet, the top end of the movable sheet is attached to the radiating fin.

Preferably, the torsion spring is a stainless steel torsion spring.

Preferably, the heat radiating fins are equidistantly arranged on the outer surface of the motor shell.

From the above description of the structure of the present invention, compared with the prior art, the present invention has the following advantages:

the utility model provides a pair of air-cooled motor, when the motor starts, radiator fan and temperature sensor start, temperature sensor transmits the temperature data who detects for the controller, when temperature data surpassed preset temperature, the controller starts annular electromagnet, annular electromagnet produces the attraction to the movable piece top, the torsional spring is compressed this moment, make the movable piece top paste tight fin and form a cavity, the wind energy that radiator fan blew off can get into this cavity and fully contact with motor housing, improve radiator fan's radiating efficiency, the movable piece links to each other with motor housing simultaneously, also can play certain radiating effect; when the temperature data transmitted to the controller by the temperature sensor is lower than the preset value, the annular electromagnet is closed by the controller, and the torsional spring restores the shape to drive the movable sheet to restore the original shape.

The utility model discloses can improve radiator fan's radiating efficiency, the air current that can concentrate radiator fan to bulge makes it fully cool off motor housing, has improved radiator fan's radiating efficiency, the problem that the dust is difficult to the clearance can not appear, has practical meaning and spreading value, expects to produce good economic benefits.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a schematic cross-sectional configuration of the motor housing;

FIG. 3 is an enlarged view of portion A of FIG. 2;

in the figure: rotor 1, motor housing 2, radiator fan 3, controller 4, fin 5, activity piece 6, torsional spring 61, temperature sensor 7, annular electromagnet 8.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

With reference to fig. 1-3, an air-cooled motor comprises a rotor 1, a motor housing 2, a heat dissipation fan 3, a controller 4, heat dissipation fins 5, movable fins 6, a temperature sensor 7, an annular electromagnet 8 and a heat dissipation coating, wherein the heat dissipation fins 5 are equidistantly arranged on the surface of the motor housing 2, the heat dissipation fins 5 and the motor housing 2 are of an integrated structure, the bottom end of each movable fin 6 is connected with the motor housing 2, the movable fins 6 are positioned at the middle parts of the adjacent heat dissipation fins 5, the top parts of the movable fins 6 are movably connected with the bottom parts of the movable fins 6 through hinges, the torsion spring 61 is arranged at the right side of each movable fin 6, the two ends of the torsion spring 61 are respectively abutted against the top parts and the bottom parts of the movable fins 6, the temperature sensor 7 is embedded in the surface of the motor housing 2, the annular electromagnet 8 is arranged on, annular electromagnet 8 when circular telegram with 6 tops of activity piece attract each other, annular electromagnet 8 attracts during 6 tops of activity piece, 6 tops of activity piece with the laminating of fin 5, temperature sensor 7 with annular electromagnet 8 all connects and is controlled by controller 4, heat dissipation coating locates motor housing 2 the fin 5 with 6 surfaces of activity piece.

The graphene coating is specifically adopted as the heat dissipation coating, and has an excellent heat transfer coefficient, so that the heat dissipation performance of the motor can be improved; the torsion spring 61 is a stainless steel torsion spring; the annular electromagnet 8 refers to a component which can generate magnetism after being electrified in the prior art, the annular electromagnet 8 is an electromagnet manufactured into an annular shape, the annular electromagnet 8 is adjacent to the movable sheet 6 in the specific implementation, when the electromagnet after being electrified generates attraction on the top of the movable sheet 6, the movable sheet 6 and the radiating fins 5 can form a cavity, and the cavity is communicated with the radiating fan 3; the temperature sensor is a miniature temperature sensor with the model PT100, and has the characteristics of small volume and high precision.

The utility model discloses the theory of operation: when the motor is started, the cooling fan 3 and the temperature sensor 7 are started, the temperature sensor 7 transmits detected temperature data to the controller 4, when the temperature data exceed a preset temperature, the controller 4 starts the annular electromagnet 8, the annular electromagnet 8 attracts the top of the movable sheet 6, and at the moment, the torsion spring 61 is compressed, so that the top of the movable sheet 6 is tightly attached to the cooling fins 5 to form a cavity, wind energy blown out by the cooling fan 3 can enter the cavity to be fully contacted with the motor shell 2, the cooling efficiency of the cooling fan 3 is improved, and meanwhile, the movable sheet 6 is connected with the motor shell 2 and can also play a certain cooling effect; when the temperature data transmitted to the controller 4 by the temperature sensor 7 is lower than the preset value, the annular electromagnet 8 is closed by the controller 4, and the torsion spring 61 restores the shape to drive the movable plate 6 to restore the original shape.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an air-cooled motor, includes rotor (1), motor housing (2), radiator fan (3) and controller (4), rotor (1) install in motor housing (2), radiator fan (3) are located motor housing (2) are terminal, controller (4) with motor housing (2) link to each other, its characterized in that:

the device also comprises a radiating fin (5), a movable fin (6), a temperature sensor (7), an annular electromagnet (8) and a radiating coating;

the plurality of radiating fins (5) are arranged on the surface of the motor shell (2);

the bottom ends of the movable pieces (6) are connected with the motor shell (2), the plurality of movable pieces (6) are located in the middle of the adjacent radiating fins (5), the top of each movable piece (6) is movably connected with the bottom of each movable piece (6), a torsion spring (61) is installed on the right side of each movable piece (6), and two ends of each torsion spring (61) respectively abut against the top and the bottom of each movable piece (6);

the temperature sensor (7) is installed on the surface of the motor shell (2) in an embedded mode;

the annular electromagnet (8) is arranged on the motor shell (2), the annular electromagnet (8) is mutually attracted with the top of the movable sheet (6) when being electrified, and the temperature sensor (7) and the annular electromagnet (8) are both connected and controlled by the controller (4);

the heat dissipation coating is arranged on the surfaces of the motor shell (2), the heat dissipation fins (5) and the movable fins (6).

2. The air-cooled motor of claim 1, wherein: the heat dissipation coating is a graphene coating.

3. The air-cooled motor of claim 1, wherein: the top of the movable sheet (6) is hinged with the bottom of the movable sheet (6) to realize movable connection.

4. The air-cooled motor of claim 1, wherein: the radiating fins (5) and the motor shell (2) are of an integrated structure.

5. The air-cooled motor of claim 1, wherein: when the annular electromagnet (8) attracts the top of the movable sheet (6), the top end of the movable sheet (6) is attached to the radiating fin (5).

6. The air-cooled motor of claim 1, wherein: the torsion spring (61) is a stainless steel torsion spring.

7. The air-cooled motor of claim 1, wherein: the radiating fins (5) are equidistantly arranged on the outer surface of the motor shell (2).