CN218498963U

CN218498963U - Motor heat radiation structure and operating robot

Info

Publication number: CN218498963U
Application number: CN202222070633.2U
Authority: CN
Inventors: 蔡武; 孔令超; 莫子扬; 饶顺; 王荣耀; 曹璟玉
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2022-08-08
Filing date: 2022-08-08
Publication date: 2023-02-17
Anticipated expiration: 2032-08-08

Abstract

The utility model provides a motor heat radiation structure and operation robot, the on-line screen storage device comprises a base, first motor and radiator unit, the base has an airtight appearance chamber, airtight appearance chamber is configured into holding base and first motor, radiator unit includes a circulative cooling portion and a power drive portion, circulative cooling portion includes a circulative cooling pipe and a liquid reserve tank, the storage has the coolant liquid in the liquid reserve tank, circulative cooling union coupling forms a circulation flow path with the liquid reserve tank on the liquid reserve tank, circulative cooling pipe is formed with a accommodation area along its circulation path, the accommodation area wraps up the first motor of part at least, the power drive portion sets up the coolant liquid circulation that is configured into in the drive circulation flow path on the circulation flow path. The utility model discloses a set up the circulative cooling pipe in the outside of first motor, can absorb the produced heat of first motor during operation, improve the stability of motor, can not influence its performance because of the motor temperature risees.

Description

Motor heat radiation structure and operating robot

Technical Field

The utility model belongs to the motor field especially relates to a motor heat radiation structure and work robot.

Background

The motor can produce the heat at the working process, if the motor works at full load, full fast state for a long time, then can produce a large amount of heats to make the inside temperature of motor rise, the inside temperature of motor risees and can arouse to set up in the encoder excess temperature of motor afterbody and report to the police, leads to partial components and parts excess temperature to damage even, thereby leads to the unable normal work of motor.

Especially, the motor working in a closed environment generates heat which is difficult to radiate, and the performance and the service life of the motor are seriously influenced.

In view of this special the utility model is put forward.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in overcoming the not enough of prior art, provides a motor heat radiation structure and work robot.

In order to solve the above technical problem, on one hand, the utility model provides a motor heat dissipation structure, which comprises a base, a first motor and a heat dissipation assembly;

the base is provided with a closed cavity which is configured to contain the first motor and the heat dissipation assembly;

the heat dissipation assembly comprises a circulating cooling part and a power driving part;

the circulating cooling part comprises a circulating cooling pipe and a liquid storage box, cooling liquid is stored in the liquid storage box, and the circulating cooling pipe is connected to the liquid storage box to form a circulating flow path with the liquid storage box;

the circulating cooling pipe is provided with a containing area along a circulating path, and the containing area wraps at least part of the first motor;

the power driving unit is provided on the circulation flow path and configured to drive the circulation of the coolant in the circulation flow path.

In the technical scheme, in the part of the first motor wrapped by the circulating cooling pipe, one side of the circulating cooling pipe close to the first motor is attached to the outer wall of the first motor, and one side of the circulating cooling pipe close to the base is attached to the inner wall of the base, so that the heat exchange of the partition wall is realized.

In the above technical solution, the power driving part is arranged on a circulation flow path of the circulation cooling pipe.

In the above technical solution, the power driving part includes a power bin connected to the circulating cooling pipe, a cavity is formed inside the power bin, and a pushing blade is arranged in the cavity;

the power driving part also comprises a second motor formed outside the power bin, and the output shaft end of the second motor extends into the cavity of the power bin and is connected with the pushing blade shaft.

In the above technical solution, the circulating cooling pipe includes a first pipe section, a second pipe section and a third pipe section, the liquid storage tank has a liquid outlet and a liquid return port, a liquid inlet of the third pipe section is connected to the liquid outlet of the liquid storage tank, and a liquid outlet of the first pipe section is connected to the liquid return port of the liquid storage tank;

the power bin in the power driving part is connected between the second pipe section and the third pipe section, and the liquid storage tank, the third pipe section, the second pipe section and the first pipe section are connected end to form a circulating flow path.

In the above technical scheme, the first pipe section is provided with two symmetrical bending parts which are communicated with each other, a containing area is formed between the two bending parts, each bending part is correspondingly provided with a liquid outlet end, the liquid storage tank is symmetrically provided with two liquid return ports, and the liquid outlet ends of the two bending parts are correspondingly connected with the liquid return ports on the liquid storage tank so as to communicate the first pipe section with the liquid storage tank.

In the above technical solution, the two mutually communicated bending portions are symmetrically arranged on two sides of the first motor.

In the above technical solution, each bending portion is formed with a plurality of bending segments along an axial direction of the first motor.

In the above technical solution, the joint of the second pipe section and the first pipe section is located at the center of the first pipe section to uniformly distribute the coolant flowing through the second pipe section into the two bent portions of the first pipe section.

In the above technical scheme, the liquid outlet and the liquid return port of the liquid storage tank are respectively located at the bottom and the side of the liquid storage tank.

In the above-described aspect, the accommodation region in the circulation cooling pipe is a concave-shaped region.

In foretell technical scheme, heat radiation structure still includes power supporting seat and liquid reserve tank supporting seat, and power drive portion passes through the power supporting seat to be fixed in the base, and the liquid reserve tank passes through the liquid reserve tank supporting seat to be fixed in the base.

In foretell technical scheme, power supporting seat and liquid reserve tank supporting seat are scalable pedestal.

On the other hand, the utility model also provides an operating robot, including robot and above-mentioned motor heat dissipation mechanism, wherein, the base is as robot's robot base, and first motor is as the joint motor of robot.

After the technical scheme is adopted, compared with the prior art, the utility model following beneficial effect has:

1. through the outside at first motor sets up the circulative cooling pipe in this application embodiment, can absorb the produced heat of first motor during operation, improve the stability of motor, can not influence its performance because of the motor temperature risees.

2. A circulative cooling pipe for absorbing the heat of first motor in this application embodiment adopts heat-conducting mode to absorb heat and dispel the heat, and the produced heat of timely effectual during operation with first motor absorbs and effuses, has improved the radiating effect to first motor.

The following describes embodiments of the present invention in further detail with reference to the attached drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. It is obvious that the drawings in the following description are only some embodiments and that for a person skilled in the art, other drawings can also be derived from them without inventive effort. In the drawings:

fig. 1 is a schematic diagram illustrating an explosion structure of a heat dissipation structure of a motor and a heat dissipation structure of a working robot according to an embodiment of the present disclosure;

fig. 2 is a schematic view of an internal structure of a motor heat dissipation structure and a motor heat dissipation structure in an operation robot according to an embodiment of the present disclosure;

fig. 3 is a schematic perspective view illustrating a heat dissipation structure of a motor and a heat dissipation assembly in a work robot according to an embodiment of the present disclosure;

fig. 4 is a schematic perspective view of a heat dissipation structure of a motor and a power driving part in a working robot according to an embodiment of the present disclosure, which shows a schematic structural view when a pushing blade is installed and a power bin is installed;

fig. 5 is a schematic physical force structure diagram of a motor heat dissipation structure and a pushing blade in a working robot according to an embodiment of the present disclosure;

fig. 6 is a schematic overall structure diagram of a motor heat dissipation structure and an operation robot of an operation robot according to an embodiment of the present application;

in FIGS. 1-6: 1-base, 2-first motor, 3-circulative cooling portion, 311-circulative cooling pipe, 312-liquid reserve tank, 313-accommodation area, 3111-first pipe section, 3112-second pipe section, 3113-third pipe section, 31111-bending portion, 4-power driving portion, 411-power bin, 412-pushing blade, 413-second motor, 5-power supporting seat, 6-liquid reserve tank supporting seat, 7-robot body, 8-cover plate.

It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but rather to illustrate the inventive concept by those skilled in the art with reference to specific embodiments.

Detailed Description

In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "inside", "outside", and the like are directions or positional relationships based on the drawings, and are only for convenience of description and simplification of the description, but not for indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected", "contacting" and "communicating" are to be interpreted broadly, e.g. as either a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

At present, the heat generated by a motor working in a closed environment is difficult to dissipate, and the performance and the service life of the motor are seriously influenced. The utility model discloses an outside at the motor sets up the circulative cooling pipe, can absorb the produced heat of motor during operation, improves the stability of motor, can not be because of motor temperature risees and influences its performance.

To further illustrate the technical solution of the present invention, the following specific examples are provided in conjunction with fig. 1 to 6.

Example 1:

in one aspect, an embodiment of the present application provides a motor heat dissipation structure as shown in fig. 1 and fig. 2, including a base 1, a first motor 2, and a heat dissipation assembly, where the base 1 includes a base body having an opening and a cover plate 8, the cover plate 8 covers the opening of the base body to form a sealed cavity inside the base 1, the sealed cavity is configured to accommodate the first motor 2 and the heat dissipation assembly, the heat dissipation assembly includes a circulation cooling portion 3 and a power driving portion 4, and the first motor 2 is fixedly connected to the base 1.

Specifically, as shown in fig. 3, the cooling circulation unit 3 includes a cooling circulation pipe 311 and a liquid storage tank 312, a coolant is stored in the liquid storage tank 312, a liquid filling opening is provided in the liquid storage tank 312, a threaded liquid filling cover is provided at the liquid filling opening, when the coolant is to be filled into the liquid storage tank 312, the liquid can be filled by opening the threaded liquid filling cover, and when the coolant is to be replaced, the coolant can be replaced by opening the threaded liquid filling cover.

The circulation cooling pipe 311 is connected to the liquid storage tank 312 to form a circulation flow path with the liquid storage tank 312, a receiving area 313 is formed along the circulation path of the circulation cooling pipe 311, the receiving area 313 at least partially receives the first motor 2 therein, and the power driving part 4 is disposed on the circulation flow path and configured to circulate the cooling liquid in the circulation flow path.

When the first motor 2 works, the power driving part 4 is started at the same time, the power driving part 4 drives the cooling liquid in the circulating flow path to continuously circulate along the circulating path of the circulating flow path, and the heat generated by the first motor 2 is absorbed by the cooling liquid in the circulating flow path, so that the damage to the internal elements caused by the high temperature of the first motor 2 in the working process is avoided, and the service life of the first motor 2 is prolonged.

Further, in the part of this circulative cooling pipe 311 parcel first motor 2, the one side that circulative cooling pipe 311 is close to first motor 2 is laminated with the outer wall of first motor 2 mutually, and the one side that circulative cooling pipe 311 is close to base 1 is laminated with the inside wall of base 1 mutually to realize the partition wall heat transfer. Specifically, when the first motor 2 works, when the cooling liquid in the circulating cooling pipe 311 flows to the outer wall of the first motor 2 under the driving of the power driving part 4, the cooling liquid in the circulating cooling pipe 311 absorbs the heat generated by the first motor 2, then the cooling liquid flows to the inner walls of the two sides of the base 1 respectively to dissipate heat, so that heat exchange is realized, and finally the cooling liquid flows back into the liquid storage tank 312 of the cooling liquid, and the liquid storage tank 312 continuously provides the cooling liquid for the power driving part 4, so that the cooling liquid in the circulating cooling pipe 311 continuously flows under the action of the power driving part 4, and therefore the first motor 2 can realize effective heat dissipation.

The power drive unit 4 is first described below:

as shown in fig. 3, the power drive unit 4 in the present embodiment is provided on the circulation flow path of the circulation cooling pipe 311. As shown in fig. 4 and 5, the power driving component 4 includes a power bin 411 connected to the circulating cooling pipe 311 and communicated with the circulating cooling pipe 311, the power bin 411 is a spherical bin body, the diameter of the power bin 411 is larger than that of the circulating cooling pipe 311, a cavity is formed inside the power bin 411, a pushing blade 412 is arranged in the cavity, the rotating radius of the pushing blade 412 is slightly smaller than that of the power bin 411 during rotation, the power driving component further includes a second motor 413 formed outside the power bin 411, and the output shaft end of the second motor 413 extends into the cavity of the power bin 411 and is connected with the pushing blade 412 through a shaft. Wherein, first motor 2 and second motor 413 series connection set up, and when first motor 2 started, second motor 413 synchronous start and drive and promote blade 412 and rotate, promote blade 412 and drive the coolant liquid in the circulative cooling pipe 311 when rotating and carry out the circulation flow to the realization dispels the heat to first motor 2.

It should be noted that the second motor 413 in this embodiment is a low power motor, and the power of the low power motor is much smaller than that of the first motor 2, so that the heat generated by the second motor 413 is negligible.

It should be noted that, in this embodiment, the power driving portion 4 is disposed on the circulation flow path of the circulation cooling pipe 311, in some alternative embodiments, the power driving portion 4 may also be disposed on the liquid storage tank 312, and when the power driving portion 4 is disposed on the liquid storage tank 312, the pushing blade 412 is located in the liquid storage tank 312, and of course, since the volume of the liquid storage tank 312 is larger than that of the power bin 411, the size of the pushing blade 412 is correspondingly larger when disposed in the liquid storage tank 312. For convenience of description, the power drive unit 4 is specifically described below by way of example as being provided in the circulation cooling pipe 311.

The circulation cooling pipe 311 is described in detail below:

as shown in fig. 3, the cooling circulation pipe 311 includes a first pipe section 3111, a second pipe section 3112 and a third pipe section 3113, the liquid storage tank 312 has a liquid outlet and a liquid return port, a liquid inlet of the third pipe section 311 is connected to the liquid outlet of the liquid storage tank 312, a liquid outlet of the first pipe section 3111 is connected to the liquid return port of the liquid storage tank 312, a power bin 411 of the power driving part 4 is connected between the second pipe section 3111 and the third pipe section 3113, and the liquid storage tank 312, the third pipe section 3113, the second pipe section 3112 and the first pipe section 3111 are connected end to form a circulation flow path.

When the pushing blade 412 in the power compartment 411 rotates, the coolant in the reservoir tank 312 flows through the third pipe segment 3113, the power compartment 411, the second pipe segment 3112 and the first pipe segment 3111 in sequence and flows back into the reservoir tank 312 through the liquid outlet end of the first pipe segment 3111, and in the flowing process, the coolant absorbs the heat emitted by the first motor 2 when flowing through the first pipe segment 3111.

Further, the first pipe segment 3111 is formed with two bending portions 31111 that are communicated with each other, the accommodating area 313 is formed between the two bending portions 31111, each bending portion 31111 is correspondingly provided with a liquid outlet end, the liquid storage tank 312 is symmetrically provided with two liquid return ports, and the liquid outlet ends of the two bending portions 31111 are correspondingly connected to the two liquid return ports on the liquid storage tank 312 to communicate the first pipe segment 3111 with the liquid storage tank 312.

Further, two mutually communicated bending portions 31111 are symmetrically arranged on two sides of the first motor 2

Further, each bending portion 31111 is formed with a plurality of bending sections along the axial direction of the first motor 2.

Through setting up a plurality of sections of bending with first pipeline section 3111 in the embodiment of this application, multiplicable circulative cooling pipe 311 and first motor 2, area of contact between the base 1, thereby the increase absorbs first motor 2 and produces thermal area and increase circulative cooling pipe 311's heat radiating area, then can be quick absorb the produced heat of first motor 2 and quick give off the external world through the lateral wall of base 1 with the heat after absorbing, improved the radiating effect to first motor 2.

In order to make the coolant flow in the two bent portions 31111 of the first pipe segment 3111 more uniform, in this embodiment, the joint between the second pipe segment 3112 and the first pipe segment 3111 is located at the center of the first pipe segment 3111, and this arrangement can distribute the coolant flowing through the second pipe segment 3112 evenly to the two bent portions 31111 of the first pipe segment 3111, so as to avoid the heat absorption effect on one side of the first motor 2 due to too little coolant flow in one bent portion 31111, and improve the overall heat dissipation effect on the first motor 2.

In order to improve the cooling effect of the cooling liquid flowing back into the liquid storage tank 312 for a relatively long time to cool itself, in this embodiment, the liquid outlet and the liquid return port of the liquid storage tank 312 are respectively disposed at the bottom and the side of the liquid storage tank 312, and the position of the liquid return port is disposed at the upper position of the side of the liquid storage tank 312, so as to prevent the cooling liquid from being directly discharged again at the liquid outlet under the condition of insufficient cooling.

In order to further increase the heat dissipation area of the circulating cooling pipe 311 for the first motor 2, in this embodiment, the accommodating area 313 in the circulating cooling pipe 311 is set to be a concave area, and the concave accommodating area 313 is wrapped around the outer wall of the first motor 2, so that the contact area of the circulating cooling pipe 311 and the first motor 2 can be increased, and the heat dissipation effect for the first motor 2 is further increased.

In order to fix power driving portion 4 and liquid reserve tank 312 in base 1, the heat radiation structure in this embodiment further includes power supporting seat 5 and liquid reserve tank supporting seat 6, wherein, power driving portion 4 is fixed in base 1 through power supporting seat 5, and liquid reserve tank 312 is fixed in base 1 through liquid reserve tank supporting seat 6.

Further, all set power supporting seat 5 and liquid reserve tank supporting seat 6 to the telescopic pedestal, it is specific, power supporting seat 5 and liquid reserve tank supporting seat 6 can stretch out and draw back along first motor 2's axis direction, through setting supporting seat 5 and liquid reserve tank supporting seat 6 to telescopic, can change circulation flow path and liquid reserve tank 312 for first motor 2's the position that sets up, if first motor 2 when the use its a certain position generate heat when extra serious, the accessible changes circulation flow path and liquid reserve tank 312's position and carries out the heat dissipation of pertinence to the comparatively serious part that first motor 2 generates heat.

In conclusion, the motor heat dissipation structure has a good heat dissipation effect on heat generated by the motor during operation, can well protect the motor, and prolongs the service life of the motor.

On the other hand, the embodiment of the present application further provides a working robot as shown in fig. 6, which includes a robot body 7 and the above-mentioned motor heat dissipation mechanism, wherein the base 1 is used as a robot base of the robot body 7, and the first motor 2 is used as a joint motor of the robot, and specifically, the working robot is a SCARA robot.

When the robot works, the joint motor and the second motor 413 are simultaneously opened, the second motor 413 drives the pushing blade 412 to rotate, so that cooling liquid in the circulating cooling pipe 311 flows, when the cooling liquid flows to the circulating cooling pipes on the outer walls of the two sides of the joint motor, a large amount of heat generated when the joint motor operates is absorbed, the absorbed heat is transferred to the side wall of the robot base through heat exchange, the heat is dissipated to the outside through the side wall of the robot base, and then the heat flows back into the liquid storage tank 312 through the circulating cooling pipe 311.

By adopting the working robot with the structure, on one hand, the effective heat dissipation of the joint motor can be realized, the stability of the motor is improved, the performance of the motor cannot be influenced by the temperature rise of the motor, and the performance of the robot is ensured; on the other hand, the service life of the motor can be prolonged, and the service life of the robot is prolonged.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and although the present invention has been disclosed with reference to the above preferred embodiment, but not to limit the present invention, any person skilled in the art can make some changes or modifications to equivalent embodiments without departing from the scope of the present invention, and any simple modification, equivalent change and modification made to the above embodiments by the technical spirit of the present invention still fall within the scope of the present invention.

Claims

1. A motor heat radiation structure is characterized by comprising a base (1), a first motor (2) and a heat radiation component;

the base (1) is provided with a closed cavity which is configured to accommodate the first motor (2) and a heat dissipation component;

the heat dissipation assembly comprises a circulating cooling part (3) and a power driving part (4);

the circulating cooling part (3) comprises a circulating cooling pipe (311) and a liquid storage tank (312), cooling liquid is stored in the liquid storage tank (312), and the circulating cooling pipe (311) is connected to the liquid storage tank (312) and forms a circulating flow path with the liquid storage tank (312);

the circulating cooling pipe (311) forms a containing area (313) along a circulating path of the circulating cooling pipe, and the containing area (313) at least partially contains the first motor (2);

the power drive unit (4) is provided on the circulation flow path and configured to drive the circulation of the coolant in the circulation flow path.

2. The heat dissipation structure of the motor as claimed in claim 1, wherein the portion of the circulating cooling pipe (311) wrapped around the first motor (2), a side of the circulating cooling pipe (311) close to the first motor (2) is attached to an outer wall of the first motor (2), and a side of the circulating cooling pipe (311) close to the base (1) is attached to an inner wall of the base (1) to achieve partition heat exchange.

3. The motor heat dissipation structure according to claim 1 or 2, wherein the power drive portion (4) is provided on a circulation flow path of the circulation cooling pipe (311).

4. The motor heat dissipation structure of claim 3, wherein the power driving part (4) comprises a power bin (411) connected to the circulating cooling pipe (311), and a cavity is formed inside the power bin (411), and pushing blades (412) are arranged in the cavity;

the power driving part (4) further comprises a second motor (413) formed outside the power bin (411), and the output shaft end of the second motor (413) extends into the cavity of the power bin (411) and is connected with the pushing blade (412) through a shaft.

5. The motor heat dissipation structure according to claim 4, wherein the circulation cooling pipe (311) comprises a first pipe section (3111), a second pipe section (3112) and a third pipe section (3113), the liquid storage tank (312) has a liquid outlet and a liquid return port, an inlet of the third pipe section (3113) is connected to the liquid outlet of the liquid storage tank (312), and a liquid outlet of the first pipe section (3111) is connected to the liquid return port of the liquid storage tank (312);

a power bin (411) in the power driving part (4) is connected between a second pipe section (3112) and a third pipe section (3113), and the liquid storage tank (312), the third pipe section (3113), the second pipe section (3112) and the first pipe section (3111) are connected end to form a circulating flow path.

6. The heat dissipation structure for the motor according to claim 5, wherein the first pipe section (3111) is formed with two mutually communicated bending portions (31111), the accommodating area (313) is formed between the two bending portions (31111), each bending portion (31111) is correspondingly provided with a liquid outlet end, the liquid storage tank (312) is symmetrically provided with two liquid return ports, and the liquid outlet ends of the two bending portions (31111) are correspondingly connected to the liquid return ports on the liquid storage tank (312) to communicate the first pipe section (3111) with the liquid storage tank (312).

7. The heat dissipation structure for the motor according to claim 6, wherein the two mutually communicated bent portions (31111) are symmetrically disposed on two sides of the first motor (2).

8. The heat dissipation structure of an electric motor according to claim 7, wherein each of the bent portions (31111) is formed with a plurality of bent segments in an axial direction of the first electric motor (2).

9. The heat dissipation structure of the motor according to claim 7 or 8, wherein a junction of the second pipe segment (3112) and the first pipe segment (3111) is located at a center of the first pipe segment (3111) to uniformly distribute the coolant flowing through the second pipe segment (3112) to the two bent portions (31111) of the first pipe segment (3111).

10. The motor heat dissipation structure of any one of claims 5 to 8, wherein the liquid outlet and the liquid return of the liquid storage tank (312) are located at the bottom and the side of the liquid storage tank (312), respectively.

11. The motor heat dissipation structure according to claim 10, wherein the receiving area (313) in the circulation cooling pipe (311) is a concave-shaped area.

12. The heat dissipation structure of an electric motor as claimed in claim 11, wherein the heat dissipation structure further comprises a power support base (5) and a liquid storage tank support base (6), the power driving portion (4) is fixed in the base (1) through the power support base (5), and the liquid storage tank (312) is fixed in the base (1) through the liquid storage tank support base (6).

13. The heat dissipation structure of an electric motor as claimed in claim 12, wherein the power support base (5) and the liquid storage tank support base (6) are both retractable bases.

14. A working robot, characterized by comprising a robot body (7) and the motor heat dissipation mechanism of any one of claims 1-13, wherein the base (1) serves as a robot base for the robot body (7), and the first motor (2) serves as a joint motor for the robot.