CN218449778U

CN218449778U - Heat radiation structure of permanent magnet synchronous motor

Info

Publication number: CN218449778U
Application number: CN202222690902.5U
Authority: CN
Inventors: 王运
Original assignee: Zhuhai Motion Control Motor Co ltd
Current assignee: Zhuhai Motion Control Motor Co ltd
Priority date: 2022-10-12
Filing date: 2022-10-12
Publication date: 2023-02-03
Anticipated expiration: 2032-10-12

Abstract

The utility model discloses a PMSM heat radiation structure relates to the motor heat dissipation field, including motor main body, motor main body installs the circulation mouth in the upper end, and circulation mouth internally mounted has the air discharge fan, motor main body rear end install and be used for cooling radiating open-type adjustment mechanism to motor main body inside, this adjustment mechanism is inside including the set casing of fixed connection at the motor main body tail end, and the fixed welding of set casing upper end one side is epaxial in the axis of rotation. The utility model discloses in, through the inside adjustment mechanism who possesses, when dispelling the heat to motor inside, possess two kinds of radiating modes, the mode through air discharge fan and cooling normally dispels the heat when permanent-magnet machine is inside not very hot, and through closing behind the closed tail shell, the air conditioner through the rear end lasts and applys air conditioning to inside to the cooperation is forced the heat dissipation at permanent-magnet machine after continuous work, ensures permanent-magnet machine's long-time work.

Description

Heat radiation structure of permanent magnet synchronous motor

Technical Field

The utility model relates to an animal products processing technology field especially relates to a PMSM heat radiation structure.

Background

The permanent magnet synchronous motor uses the permanent magnet to provide excitation, so that the structure of the motor is simpler, the processing and assembling cost is reduced, a collecting ring and an electric brush which are easy to cause problems are omitted, and the running reliability of the motor is improved; and because excitation current and excitation loss are not needed, the efficiency and the power density of the motor are improved, and when the permanent magnet synchronous motor runs for a long time, the heat of the permanent magnet synchronous motor needs to be dissipated, so that the fault caused by overhigh temperature of the motor is avoided.

In chinese utility model publication No. CN 209786970U's a novel PMSM heat abstractor, the device plays the location connection effect to the fan frame through the fixed plate to and fix the fan through various screws, though the fan is more firm, but adopt the fan to cool down equally, do not have specific enhancement to the inside heat dissipation function of motor, after permanent-magnet machine continuously used, inside temperature can not obtain better alleviating.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving in chinese utility model discloses a number is CN 209786970U's a novel PMSM heat abstractor, the device plays the location connection effect to the fan frame through the fixed plate to and fix the fan through various screws, though the fan is more firm, but equally adopt the fan to cool down, do not have specific enhancement to the inside heat dissipation function of motor, after permanent-magnet machine continuously uses, inside temperature can not obtain better alleviating, and the PMSM heat radiation structure who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a PMSM heat radiation structure, includes motor main body, motor main body installs the circulation mouth in the upper end, and circulation mouth internally mounted has the air discharge fan, motor main body rear end install and be used for cooling radiating open-type adjustment mechanism inside the motor main body, this adjustment mechanism is inside including the set casing of fixed connection at the motor main body tail end, and set casing upper end one side fixed welding is epaxial in the axis of rotation, the outer fixed welding of axis of rotation has the closed tail shell, and seals tail shell inner wall fixed welding and have the air cooler, set casing inner wall swing joint have ventilative net, and ventilative net upper and lower both sides inner wall threaded connection have fixing bolt, ventilative net middle-end fixed welding has the starter motor, and starter motor one side pivot department fixed welding has the cooling fan.

As a further description of the above technical solution:

the upper end of the motor main body is provided with a slot, the circulating port is arranged at the slot, and the exhaust fan is arranged in the slot.

As a further description of the above technical solution:

the fixed shell and the closed tail shell are in interactive connection, and screws of the closed tail shell penetrate through the fixed shell and the closed tail shell to be fixed.

As a further description of the above technical solution:

the breathable net is fixed on the inner wall of the fixed shell through a fixing bolt.

As a further description of the above technical solution:

the ventilation opening at the front end of the air conditioner is vertically distributed with the ventilation net, and blown cold air is in contact with the cooling fan through the ventilation net.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, through the inside adjustment mechanism who possesses, when dispelling the heat to motor inside, possess two kinds of radiating modes, the mode through air discharge fan and cooling normally dispels the heat when permanent-magnet machine is inside not very hot, and through closing behind the closed tail shell, the air conditioner through the rear end lasts and applys air conditioning to inside to the cooperation is forced the heat dissipation at permanent-magnet machine after continuous work, ensures permanent-magnet machine's long-time work.

2. The utility model discloses in, through the closed tail shell that can open, after permanent-magnet machine stop work, can be fast and convenient disassemble the cooling fan to the inside, clear up the maintenance to the inside for follow-up effect is more when the cooling.

Drawings

Fig. 1 is a schematic structural diagram of a heat dissipation structure of a permanent magnet synchronous motor according to the present invention;

fig. 2 is a schematic diagram of an internal structure of a heat dissipation structure of a permanent magnet synchronous motor according to the present invention;

FIG. 3 is a schematic structural view of the middle closed tail shell of the present invention;

fig. 4 is a schematic view of the structure of the rotating shaft of the present invention.

Illustration of the drawings:

1. a motor main body; 2. a circulation port; 3. an exhaust fan; 4. a stationary housing; 5. a rotating shaft; 6. closing the tail shell; 7. an air conditioner; 8. a breathable net; 9. fixing the bolt; 10. starting the motor; 11. a cooling fan.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, a heat dissipation structure of a permanent magnet synchronous motor, a motor body 1, a circulation port 2, an exhaust fan 3, a fixed casing 4, a rotation shaft 5, a closed tail casing 6, an air conditioner 7, a ventilation net 8, a fixing bolt 9, a starting motor 10 and a cooling fan 11, wherein the upper end of the motor body 1 is provided with the circulation port 2, the circulation port 2 is an internal ventilation opening, the internal air is circulated by internally installing the exhaust fan 3 through the circulation port 2 during internal cooling, the fixed casing 4 at the tail end of the motor body 1 is arranged at the tail end of the motor body 1 and connected with subsequent cooling connection through the fixed casing 4, so as to avoid being too close to the inside of the motor body 1 and damage to the program of the motor body 1, one side of the upper end of the fixed casing 4 is fixedly welded on an inner shaft of the rotation shaft 5, an outer shaft of the rotation shaft 5 is fixedly welded with the closed tail casing 6, make the pulling seal tail shell 6 can launch set casing 4 and seal tail shell 6 separation, the switching of dispelling the heat according to the inside temperature condition of motor main part 1, and seal 6 inner wall fixed welding of tail shell has air cooler 7, this air cooler 7 is through sealing tail shell 6 and sealing, the inside is continuously cooled down, thereby strengthen inside cooling effect, and set casing 4 inner wall swing joint's ventilative net 8, when sealing tail shell 6 and opening, it has starter motor 10 to drive cooling fan 11 to cool down through the fixed welding of ventilative net 8 middle-end, and ventilative net 8 absorbs the air of outer end when the cooling, simultaneously separation debris fly into, and ventilative net 8 upper and lower both sides inner wall threaded connection's fixing bolt 9, this fixing bolt 9 will ventilative net 8 in set casing 4, and it is comparatively convenient when dismantling and installing.

The working principle is as follows: when in use, the circulation port 2 is arranged at the upper end of the motor main body 1, the circulation port 2 is an internal ventilation opening, the internal air is circulated by installing the exhaust fan 3 in the circulation port 2 when the internal cooling is matched, the fixed shell 4 at the tail end of the motor main body 1 is arranged at the tail end of the motor main body 1 and is connected with the subsequent cooling connection through the fixed shell 4, the fixed shell is prevented from being too close to the inside of the motor main body 1 and damaging the program of the motor main body 1, one side of the upper end of the fixed shell 4 is fixedly welded on the inner shaft of the rotating shaft 5, the outer shaft of the rotating shaft 5 is fixedly welded with the sealed tail shell 6, so that the fixed shell 4 can be separated from the sealed tail shell 6 to be unfolded by pulling the sealed tail shell 6, and the heat dissipation switching is carried out according to the temperature condition in the motor main body 1, and seal 6 inner walls of tail shell and fixedly weld and have air cooler 7, this air cooler 7 is through sealing tail shell 6 and sealing, the inside is continuously cooled down, thereby strengthen inside cooling effect, and 4 inner wall swing joint's of set casing ventilative net 8, when sealing tail shell 6 and opening, it has starter motor 10 to drive cooling fan 11 to cool down to weld through ventilative net 8 middle-end fixed, and ventilative net 8 absorbs the air of outer end when cooling, separation debris fly into simultaneously, and ventilative net 8 upper and lower both sides inner wall threaded connection's fixing bolt 9, this fixing bolt 9 is with ventilative net 8 in set casing 4, and it is comparatively convenient when dismantling with the installation, just so accomplished this PMSM heat radiation structure's theory of operation.

Above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be included in the protection scope of the present invention.

Claims

1. The utility model provides a PMSM heat radiation structure, includes motor main body (1), its characterized in that: motor main part (1) upper end is installed and is circulated mouthful (2), and circulates mouthful (2) internally mounted and have air discharge fan (3), motor main part (1) rear end install and be used for cooling down radiating open-type adjustment mechanism to motor main part (1) inside, this adjustment mechanism is inside including fixed connection at set casing (4) of motor main part (1) tail end, and set casing (4) upper end one side fixed welding epaxial in axis of rotation (5), axis of rotation (5) outer fixed welding has sealed tail shell (6), and seals tail shell (6) inner wall fixed welding and have air cooler (7), set casing (4) inner wall swing joint have ventilative net (8), and both sides inner wall threaded connection has fixing bolt (9) about ventilative net (8), the fixed welding of ventilative net (8) middle-end has starter motor (10), and starter motor (10) one side pivot department fixed welding has cooling fan (11).

2. The heat dissipation structure of a permanent magnet synchronous motor according to claim 1, characterized in that: the upper end of the motor main body (1) is provided with a slot, the circulating port (2) is arranged at the slot, and the exhaust fan (3) is arranged in the slot.

3. The heat dissipation structure of a permanent magnet synchronous motor according to claim 1, characterized in that: for interactive connection between set casing (4) and closed tail shell (6), pass set casing (4) and closed tail shell (6) simultaneously through setting up at closed tail shell (6) screw and fix.

4. The heat dissipation structure of a permanent magnet synchronous motor according to claim 1, characterized in that: the air permeable net (8) is fixed on the inner wall of the fixed shell (4) through a fixed bolt (9).

5. The heat dissipation structure of a permanent magnet synchronous motor according to claim 1, characterized in that: the ventilation opening at the front end of the air conditioner (7) is vertically distributed with the ventilation net (8), and blown cold air is in contact with the cooling fan (11) through the ventilation net (8).