CN211859775U

CN211859775U - Motor with good heat dissipation performance

Info

Publication number: CN211859775U
Application number: CN202020656500.1U
Authority: CN
Inventors: 许成
Original assignee: Jiangsu Yuanzhong Motor Co ltd
Current assignee: Jiangsu Yuanzhong Motor Co ltd
Priority date: 2020-04-27
Filing date: 2020-04-27
Publication date: 2020-11-03
Anticipated expiration: 2030-04-27

Abstract

The utility model discloses a motor with good heat dissipation performance, which comprises a shell, and a rotor, a winding, a rear end cover, an encoder and a motor shaft which are arranged in the shell, wherein the rear end cover is arranged between the winding and the encoder, a motor cover is arranged at the upper end of the shell, a plurality of first heat dissipation holes are annularly and uniformly distributed on the side surface of the motor cover, the upper end of the motor cover is detachably connected with a protective cover, and shaft through holes for the motor shaft to pass through are arranged on the motor cover and the protective cover; the shell is uniformly provided with a plurality of first air holes on one side of the encoder, and the rear end cover is provided with a plurality of second air holes; the outer side of the shell is hermetically connected with a heat dissipation cover, a heat dissipation fan is arranged in the heat dissipation cover, a power supply socket is arranged on the outer side of the heat dissipation cover, and an external power supply plug is connected to the power supply socket to supply power to the heat dissipation fan. The utility model discloses form outside heat dissipation from heat exchanger orientation to motor cover orientation to the inside temperature of motor, the life of extension motor.

Description

Motor with good heat dissipation performance

Technical Field

The utility model relates to the technical field of motors, concretely relates to good motor of heat dispersion.

Background

With the rapid development of intelligent equipment such as robots and the like, the market has higher and higher requirements on the performance and the structure of servo motors, and all servo motor manufacturers strive to develop servo motors with short length, small volume and high power density. A conventional servo motor includes a brake and an aluminum rear end cap. The stopper is installed in aluminium back end housing, and the outer wall of back end housing is used for protecting the stopper, so aluminium back end housing outer wall needs to have certain thickness to guarantee mechanical strength. However, when the conventional servo motor works, the temperature of the inner winding is high, which easily causes the damage of the inner encoder on one hand and the damage of the external adjacent parts on the other hand, so that a motor with excellent heat dissipation performance is needed to prolong the service life of the motor, and further the service life of the whole robot.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a good motor of heat dispersion to prior art's defect and not enough.

In order to achieve the above object, the utility model adopts the following technical scheme: a motor with good heat dissipation performance comprises a shell, and a rotor, a winding, a rear end cover, an encoder and a motor shaft which are arranged in the shell, wherein the rear end cover is arranged between the winding and the encoder; the shell is uniformly provided with a plurality of first air holes on one side of the encoder, and the rear end cover is provided with a plurality of second air holes; the outer side of the shell is hermetically connected with a heat dissipation cover, a heat dissipation fan is arranged in the heat dissipation cover, a power supply socket is arranged on the outer side of the heat dissipation cover, and an external power supply plug is connected to the power supply socket to supply power to the heat dissipation fan.

Further, the inner diameter of the protective cover is larger than the outer diameter of the shell, and the gap between the protective cover and the shell is larger than 10 mm.

Wherein, a heat dissipation air duct is arranged in the protective cover towards one side of the shell.

Preferably, the protective cover is provided in a horn-like structure.

Further, the motor cover is connected with the protective cover in a buckle connection mode.

Further, the casing is provided with the external screw thread on encoder one side, be provided with the internal thread of looks adaptation on the heat exchanger that looses, be connected through interior external screw thread between casing and the heat exchanger that looses.

Furthermore, a plurality of second heat dissipation holes are formed in the side face of the heat dissipation cover.

After the structure is adopted, the utility model discloses beneficial effect does:

the utility model discloses a simple structure, the cost is lower, convenient to use, the utility model discloses a motor, be provided with first louvre on the motor cover, be provided with a plurality of first bleeder vents in the lower extreme position of casing, encoder one side, be provided with a plurality of second bleeder vents on the rear end lid, be provided with radiator fan in the radiator cover, insert power supply socket through the external power supply plug and supply power for radiator fan power supply, after radiator fan starts, form outward heat dissipation from the radiator cover direction to the motor cover direction, thereby the temperature in the motor, simultaneously, radiator fan blows heat to the winding direction, reduce being heated of encoder, the life of extension motor; in addition, still be provided with the protection casing in motor cover upper end, the protection casing can avoid the heat that the motor distributes out to blow to the equipment that is connected with direct discharge, protects the equipment that is connected with the motor shaft of motor.

Drawings

FIG. 1 is a schematic structural view of various parts of the present invention;

fig. 2 is a schematic diagram of the internal structure of the present invention.

Description of reference numerals:

1. a housing; 2. a rotor; 3. a winding; 4. a rear end cap; 5. an encoder; 6. a motor shaft; 7. a motor cover; 8. a first heat dissipation hole; 9. a protective cover; 10. a shaft through hole; 11. a first air vent; 12. A second air hole; 13. a heat dissipation cover; 14. a heat radiation fan; 15. a power supply socket; 16. a second heat dissipation hole.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and the following detailed description. It should be understood that the detailed description and specific examples, while indicating the invention, are given by way of illustration only.

Referring to fig. 1 and 2, a motor with good heat dissipation performance comprises a housing 1, and a rotor 2, a winding 3, a rear end cover 4, an encoder 5 and a motor shaft 6 which are arranged in the housing 1, wherein the rear end cover 4 is arranged between the winding 3 and the encoder 5, a motor cover 7 is arranged at the upper end of the housing 1, a plurality of first heat dissipation holes 8 are annularly and uniformly distributed on the side surface of the motor cover 7, a protective cover 9 is detachably connected to the upper end of the motor cover 7, and shaft through holes 10 for the motor shaft 6 to pass through are formed in the motor cover 7 and the protective cover 9; a plurality of first air holes 11 are uniformly formed in one side of the encoder 5 of the shell 1, and a plurality of second air holes 12 are formed in the rear end cover 4; outside sealing connection has radiator cover 13 on casing 1, be provided with radiator fan 14 in the radiator cover 13, the outside of radiator cover 13 is provided with a power supply socket 15, power supply socket 15 is connected with the external power supply plug and supplies power for radiator fan, selects suitable power supply according to radiator fan 14's rated voltage, can be direct current socket or alternating current socket, according to the model of radiator fan 14 that the model of motor was selected, in this patent application, do not do detailed protection to radiator fan 14's model and mains voltage etc. only require the adaptation can.

In a further embodiment, the inner diameter of the shield 9 is larger than the outer diameter of the housing 1, the gap between the shield 9 and the housing 1 is larger than 10 mm; a gap is left between the protective cover 9 and the shell 1, so that heat can be conveniently discharged.

Wherein, a heat dissipation air duct is arranged in the protective cover 9 towards one side of the shell 1, and the heat dissipation air duct guides the wind direction.

Preferably, the protective cover 9 is a horn-shaped structure, one side of the small end of the protective cover is connected with one side of the motor cover 7, the gap is enlarged by the horn-shaped protective cover 9, and the wind direction is guided to be outwards diffused.

In a further embodiment, the motor cover 7 is connected with the protective cover 9 in a buckling connection mode, whether the protective cover is used or not can be selected according to equipment connected with the motor shaft 6, and the use is more convenient.

In a further embodiment, the housing 1 is provided with an external thread on one side of the encoder 5, the heat dissipation cover 13 is provided with a matched internal thread, and the housing 1 and the heat dissipation cover 13 are connected through the internal thread and the external thread; facilitating internal maintenance of the radiator fan 14; meanwhile, the heat radiating cover 13 may be provided as needed.

In a further embodiment, the side surface of the heat dissipation cover 13 is provided with a plurality of second heat dissipation holes 16, and the addition of the second heat dissipation holes 16 can improve heat dissipation performance.

The working process of the utility model is that the motor cover 7 is provided with a first heat dissipation hole 8, one side of the lower end position of the shell 1, namely the encoder, is provided with a plurality of first air holes 11, the rear end cover 4 is provided with a plurality of second air holes 12, the heat dissipation cover 13 is internally provided with a heat dissipation fan 14, an external power supply is inserted into a power supply socket 15 through an external power supply plug to supply power for the heat dissipation fan, and after the heat dissipation fan is started, the heat dissipation is outwards dissipated from the direction of the heat dissipation cover 13 to the direction of the motor cover 7, so that the temperature inside the motor is increased, and the; meanwhile, the upper end of the motor cover 7 is also provided with a protective cover 9, the protective cover 9 can prevent heat emitted by the motor from being directly discharged, and equipment connected with the motor shaft 6 of the motor is protected.

The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent replacements made by those of ordinary skill in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.

Claims

1. A motor with good heat dissipation performance comprises a shell, and a rotor, a winding, a rear end cover, an encoder and a motor shaft which are arranged in the shell, wherein the rear end cover is arranged between the winding and the encoder; the shell is uniformly provided with a plurality of first air holes on one side of the encoder, and the rear end cover is provided with a plurality of second air holes; the outer side of the shell is hermetically connected with a heat dissipation cover, a heat dissipation fan is arranged in the heat dissipation cover, a power supply socket is arranged on the outer side of the heat dissipation cover, and an external power supply plug is connected to the power supply socket to supply power to the heat dissipation fan.

2. The motor of claim 1, wherein an inner diameter of the protective cover is larger than an outer diameter of the casing, and a gap between the protective cover and the casing is larger than 10 mm.

3. The motor with excellent heat dissipation performance according to claim 2, wherein a heat dissipation air duct is disposed in the protective cover and on a side facing the housing.

4. The electric machine with good heat dissipation performance of claim 3, wherein the protective cover is configured to be a horn-shaped structure.

5. The motor with excellent heat dissipation performance according to claim 1, wherein the motor cover and the protective cover are connected in a snap connection manner.

6. The motor with excellent heat dissipation performance according to claim 1, wherein the housing is provided with an external thread on one side of the encoder, the heat dissipation cover is provided with an internal thread matched with the external thread, and the housing and the heat dissipation cover are connected through the internal thread and the external thread.

7. The motor of claim 1, wherein the side of the heat dissipation cover is provided with a plurality of second heat dissipation holes.