CN114374293A

CN114374293A - IC411 motor with cooling pipeline inside

Info

Publication number: CN114374293A
Application number: CN202210129029.4A
Authority: CN
Inventors: 吴泰; 刘玉宝; 邓汉辉; 熊前明; 曹志华; 胡家顺; 孙庆玲; 凌青峰; 万舜; 任宇轩
Original assignee: Atb Motors Wuhan Co ltd; Wolong Electric Group Co Ltd
Current assignee: Atb Motors Wuhan Co ltd; Wolong Electric Drive Group Co Ltd
Priority date: 2022-02-11
Filing date: 2022-02-11
Publication date: 2022-04-19

Abstract

The invention discloses an IC411 motor with a cooling pipeline inside, and belongs to the technical field of motor equipment. The air generated by the inner fan arranged at one end of the first hollow cavity pipeline enters the ventilation box through the inner air inlet arranged at one end of the base cylinder, and comes out of the inner air outlet arranged at the other end of the base cylinder and enters the first hollow cavity pipeline to form an inner circulation air path structure, so that the rotor iron core and the stator iron core are radiated; further, through the wind that still fixed connection's outer fan produced in the one end of motor axis of rotation, partly enters into a plurality of cooling tube that sets up in the ventilation box, realizes the cooling process more fast, and the clearance between the even symmetry a plurality of heat dissipation strengthening rib of installation of outside of frame is followed to another part wind passes through to realize the heat dissipation, the inside and outside combination of above-mentioned three routes wind path structure greatly accelerates motor heat dissipation process.

Description

IC411 motor with cooling pipeline inside

Technical Field

The invention belongs to the technical field of motor equipment, and particularly relates to an IC411 motor with a cooling pipeline inside.

Background

The motor is an electromagnetic device which realizes the conversion or transmission of electric energy according to the law of electromagnetic induction, or converts one form of electric energy into another form of electric energy, and the motor mainly has the function of generating driving torque and is used as a power source of electric appliances or various machines. Therefore, the motor can generate a large amount of heat in the process of working for a long time, and if the heat is not dissipated in time, the service life of the motor can be seriously influenced. At present, according to different cooling modes, the cooling mode can be divided into IC01, IC06, IC411, IC416, IC611, IC81W and the like, wherein the cooling principle of the IC411 motor is that a primary cooling medium (gas) circulates in a closed loop in the motor and transfers heat to a surrounding environment medium through the surface of a shell, a plurality of radiating ribs are distributed on the circumference of the surface of the shell, and an outer fan cover improves the heat transfer effect.

However, the IC411 motor has problems of poor cooling effect and large noise during operation. In view of the above, it is necessary to provide an IC411 motor with a cooling pipeline inside to solve the above technical problems.

Disclosure of Invention

The invention aims to overcome the defects of the prior art, provides an IC411 motor with a cooling pipeline inside, and solves the problems of poor cooling effect, high noise and the like of the IC411 motor in the prior art in the working process.

In order to solve the problems in the prior art, the invention is realized by the following technical scheme:

an IC411 motor with a cooling pipeline inside comprises a base, wherein a motor rotating shaft penetrates through the middle part of the base, a front bearing and a rear bearing are respectively sleeved at two ends of the rotating shaft of the motor, a front end cover and a rear end cover are respectively and fixedly connected to the front bearing and the rear bearing, the front end cover and the rear end cover are fixedly connected through a machine base cylinder, a stator core is sleeved on the inner circle of the machine base cylinder in a hot mode, the inner cylindrical hole of the stator core is sleeved with the rotor core and is aligned axially to form a motor air gap, a middle first hollow cavity pipeline is also arranged between the rotor core and the motor rotating shaft, one end of the first hollow cavity pipeline is provided with an inner fan, the both ends of frame drum are equipped with interior air outlet and interior air intake respectively, the top of frame drum still fixedly connected with ventilates the box, ventilate the box with interior air outlet with interior air intake intercommunication.

Further, the one end of motor axis of rotation is fixedly connected with outer fan still, be equipped with a plurality of cooling tube in the ventilation box, partly wind that outer fan produced gets into in the cooling tube to realize the hot-blast of the interior wind path of auxiliary cooling motor.

Furthermore, the radiating pipe is a thin-wall round pipe.

Furthermore, the joint of the radiating pipe and the side face of the ventilation box is subjected to pipe expansion treatment and then is coated with sealant for fixing.

Furthermore, a plurality of radiating reinforcing ribs are uniformly and symmetrically arranged outside the base, and the other part of air generated by the outer fan enters gaps of the radiating reinforcing ribs, so that cooling is realized.

Furthermore, two ends of the heat dissipation reinforcing rib are provided with 45-60-degree chamfers.

Furthermore, the base is also provided with a mute fan cover.

Furthermore, lifting lugs are further arranged on the machine base in pairs and are symmetrically arranged on two sides of the center of the rotating shaft of the motor.

Furthermore, the bottom of the base is also provided with an auxiliary supporting platform which is positioned on the vertical central line of the rotating shaft of the motor.

Compared with the prior art, the invention has the following advantages:

1) in the invention, the cooling efficiency in the motor is greatly enhanced by the three air path structures, specifically, air generated by the inner fan arranged at one end of the first hollow cavity pipeline enters the ventilation box through the inner air inlet arranged at one end of the base cylinder, and then flows out of the inner air outlet arranged at the other end of the base cylinder and enters the first hollow cavity pipeline to form an inner circulation air path structure for radiating heat of the rotor core and the stator core; furthermore, one part of air generated by an external fan fixedly connected with one end of the motor rotating shaft enters a plurality of radiating pipes arranged in the ventilating box, so that the cooling process is realized more quickly, the other part of air passes through gaps among a plurality of radiating reinforcing ribs uniformly and symmetrically arranged outside the base, so that the heat radiation is realized, and the heat radiation process of the motor is greatly accelerated by the internal and external combination of the three-way air path structure;

2) in the invention, the base is also provided with the mute fan cover, so that the noise is reduced in the operation process of the fan, meanwhile, the center of the lifting lug, the center of the auxiliary supporting platform and the center of gravity of the motor are superposed, the gravity of the motor can be effectively transmitted to the ground, the vibration of the motor caused by the deviation of the center of gravity can be effectively reduced, and meanwhile, the motor is balanced in lifting and is beneficial to installation and debugging.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a partial cross-sectional view of an IC411 motor with cooling circuitry therein according to the present invention;

FIG. 2 is a side view of an IC411 motor with cooling circuitry therein according to the present invention;

FIG. 3 is an enlarged view of FIG. 1 at B;

FIG. 4 is an external front view of an IC411 motor with cooling circuitry within the motor of the present invention;

the reference numerals in the drawings mean: 1: a machine base; 2: a motor rotating shaft; 3: a front flange; 4: a front bearing; 5: a front end cover; 6: a first hollow cavity conduit; 7: a rotor core; 8: a stator core; 9: an inner fan; 10: a rear bearing; 11: a rear end cap; 12: an external fan; 13: a mute fan cover; 14: a base cylinder; 15: an inner air outlet; 16: an inner air inlet; 17: a ventilation box; 18: a radiating pipe; 19: lifting lugs; 20: an auxiliary support platform; 21: a heat dissipation reinforcing rib; 22: the motor air gap.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 4, an IC411 motor with a cooling pipeline inside includes a base 1, a motor rotating shaft 2 penetrates through the middle of the base 1, a front bearing 4 and a rear bearing 10 are respectively sleeved at two ends of the motor rotating shaft 2, a front end cover 5 and a rear end cover 11 are respectively fixedly connected to the front bearing 4 and the rear bearing 10, the front end cover 5 and the rear end cover 11 are fixedly connected through a base cylinder 14, a stator core 8 is thermally sleeved on an inner circle of the base cylinder 14, a rotor core 7 is sleeved on an inner cylindrical hole of the stator core 8 and axially aligned to form a motor air gap 22, a first hollow cavity pipeline 6 is further disposed between the rotor core 7 and the motor rotating shaft 2, an inner fan 9 is disposed at one end of the first hollow cavity pipeline 6, an inner air outlet 15 and an inner air inlet 16 are respectively disposed at two ends of the base cylinder 14, the top of the base cylinder 14 is also fixedly connected with a ventilation box 17, and the ventilation box 17 is communicated with the inner air outlet 15 and the inner air inlet 16.

Specifically, the air generated by the inner fan 9 disposed at one end of the first hollow cavity duct 6 enters the ventilation box 17 through the inner air inlet 16 disposed at one end of the base cylinder 14, and exits from the inner air outlet 15 disposed at the other end of the base cylinder 14 and enters the first hollow cavity duct 6, so as to form an inner circulation air path structure, and radiate heat to the rotor core 7 and the stator core 8.

Further, the one end of motor axis of rotation 2 is still fixedly connected with outer fan 12, be equipped with a plurality of cooling tube 18 in the ventilation box 17, a part of wind that outer fan 12 produced gets into in the cooling tube 18 to realize the hot-blast of the interior wind path of auxiliary cooling motor, compensate the not enough of interior wind path heat-sinking capability.

Specifically, the cooling process is more rapidly performed by the wind generated by the outer fan 12 which is also fixedly coupled to one end of the motor rotating shaft 2, and a portion of the wind enters the plurality of radiating pipes 18 provided in the ventilating box 17.

It should be noted that the wind generated by the outer fan 12 enters the plurality of heat dissipation pipes 18 disposed in the ventilation box 17, and the wind generated by the inner fan 9 enters the gaps between the plurality of heat dissipation pipes 18 in the ventilation box 17, which are not interfered with each other and cooperate to dissipate heat.

Further, the heat pipe 18 is a thin-walled circular pipe.

In order to improve the heat dissipation capability of the heat dissipation pipe 18, it is preferable to use a thin circular pipe, and other shapes that can improve the heat dissipation may be used.

Furthermore, the joint of the radiating pipe 18 and the side of the ventilation box 17 is expanded and then fixed by coating a sealant.

After the pipe expanding treatment is adopted, the radiating pipe 18 can be firmly combined with the ventilation box 17, so that the radiating pipe 18 is prevented from loosening due to ventilation power impact, and the stability and the radiating capacity are prevented from being influenced; the sealant is coated for fixing, so that the sealing and waterproof capabilities of the radiating pipe 18 and the ventilation box 17 can be ensured.

Furthermore, a plurality of heat dissipation ribs 21 are uniformly and symmetrically installed outside the base 1, and another part of the air generated by the outer fan 12 enters gaps between the heat dissipation ribs 21, so that cooling is realized.

The other part of the wind generated by the outer fan 12 fixedly connected with one end of the motor rotating shaft 2 passes through the gaps among the plurality of radiating reinforcing ribs 21 uniformly and symmetrically arranged outside the base 1, thereby realizing the heat radiation.

Furthermore, two ends of the heat dissipation reinforcing rib 21 are provided with 45-60-degree chamfers.

The two ends of the heat dissipation reinforcing ribs 21 are provided with the 45-60-degree chamfers, so that the friction resistance between cooling air and the heat dissipation reinforcing ribs 21 can be reduced, the frictional heat generation is reduced, and the through-flow cooling capacity of the cooling air is improved; meanwhile, the strength and the natural frequency of the base 1 can be improved by the plurality of radiating reinforcing ribs 21.

Further, the base 1 is also provided with a mute air cover 13.

The mute fan cover is arranged on the base 1, so that the noise is reduced in the operation process of the fan, and the problem of overlarge noise is solved.

Further, lifting lugs 19 are further arranged on the machine base 1 in pairs, and the lifting lugs 19 are symmetrically arranged on two sides of the center of the motor rotating shaft 2.

Further, the bottom of the machine base 1 is further provided with an auxiliary supporting platform 20, and the auxiliary supporting platform 20 is located on a vertical center line of the motor rotating shaft 2.

Through the coincidence of 19 centers of lug, the center of auxiliary stay platform 20 centers and the motor focus three centers that set up, can keep motor gravity effectively to transmit to ground, effectively reduce the motor because the skew vibration that leads to of focus, the motor lifts by crane simultaneously is balanced, is favorable to the installation and debugging.

The cooling process of the IC411 motor with the cooling pipeline inside is as follows:

firstly, when the motor operates, air generated by an inner fan 9 arranged at one end of a first hollow cavity pipeline 6 enters a ventilation box 17 through an inner air inlet 16 arranged at one end of a base cylinder 14, and comes out of an inner air outlet 15 arranged at the other end of the base cylinder 14 and enters the first hollow cavity pipeline 6 to form an inner circulation air path structure, so that the rotor core 7 and the stator core 8 are radiated; then, a part of the wind generated by the outer fan 12 fixedly connected to one end of the motor rotation shaft 2 enters the plurality of radiating pipes 18 provided in the ventilation box 17 to more rapidly perform a cooling process, and the other part of the wind passes through gaps between the plurality of radiating ribs 21 uniformly and symmetrically installed from the outside of the housing 1, thereby performing heat dissipation.

Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Various changes and modifications may be effected therein by one of ordinary skill in the pertinent art without departing from the spirit and scope of the present disclosure, and these changes and modifications are intended to be within the scope of the present disclosure.

Claims

1. An IC411 motor with a cooling pipeline inside comprises a base (1), wherein a motor rotating shaft (2) penetrates through the middle of the base (1), a front bearing (4) and a rear bearing (10) are respectively sleeved at two ends of the motor rotating shaft (2), a front end cover (5) and a rear end cover (11) are respectively and fixedly connected onto the front bearing (4) and the rear bearing (10), the front end cover (5) and the rear end cover (11) are fixedly connected through a base cylinder (14), a stator core (8) is sleeved on an inner circle of the base cylinder (14) in a hot mode, a rotor core (7) is sleeved on an inner cylinder hole of the stator core (8) and is axially aligned to form a motor air gap (22), and the IC411 motor is characterized in that a first hollow cavity pipeline (6) is further arranged between the rotor core (7) and the motor rotating shaft (2), the one end of first cavity pipeline (6) is equipped with interior fan (9), the both ends of frame drum (14) are equipped with interior air outlet (15) and interior air intake (16) respectively, fixedly connected with ventilation box (17) are still gone back to the top of frame drum (14), ventilation box (17) with interior air outlet (15) with interior air intake (16) intercommunication.

2. The IC411 motor with a cooling circuit therein according to claim 1, wherein an outer fan (12) is further fixedly connected to one end of the motor rotating shaft (2), a plurality of heat dissipating pipes (18) are disposed in the ventilation box (17), and a part of the wind generated by the outer fan (12) enters the heat dissipating pipes (18), thereby achieving the hot wind for assisting the cooling of the inner wind path of the motor.

3. The IC411 motor with cooling circuit inside according to claim 2, wherein said heat dissipating pipe (18) is a thin-walled circular pipe.

4. The IC411 motor with cooling circuit inside according to claim 2, wherein the junction of the heat dissipation pipe (18) and the side of the ventilation box (17) is expanded and then fixed by applying a sealant.

5. The IC411 motor with cooling pipeline inside according to claim 2, wherein a plurality of heat dissipating ribs (21) are uniformly and symmetrically installed outside the base (1), and another part of the wind generated by the outer fan (12) enters the gaps of the heat dissipating ribs (21) to realize cooling.

6. The IC411 motor with the cooling pipeline inside as claimed in claim 5, wherein the two ends of the heat dissipation ribs (21) are provided with 45-60 ° chamfers.

7. The IC411 motor with cooling circuit inside according to claim 1, characterized by that, the base (1) is also installed with a mute wind cover (13).

8. The IC411 motor with cooling pipeline inside according to claim 1, wherein lifting lugs (19) are further arranged on the base (1) in pairs, and the lifting lugs (19) are symmetrically arranged at two sides of the center of the motor rotating shaft (2).

9. The IC411 motor with cooling circuit inside according to claim 1, wherein the base (1) is further provided with an auxiliary support platform (20) at the bottom, and the auxiliary support platform (20) is located on the vertical center line of the motor rotation shaft (2).