CN220401555U

CN220401555U - Air-cooled permanent magnet motor

Info

Publication number: CN220401555U
Application number: CN202321810736.6U
Authority: CN
Inventors: 潘晋; 吴春辉; 吴海洲; 许书贵; 季树珍
Original assignee: Anhui Wannan Xin Wei Electric Machine Co
Current assignee: Anhui Wannan Xin Wei Electric Machine Co
Priority date: 2023-07-11
Filing date: 2023-07-11
Publication date: 2024-01-26
Anticipated expiration: 2033-07-11

Abstract

The utility model relates to an air-cooled permanent magnet motor, which comprises a motor body, wherein an air cooler is arranged at one end of the motor body, an air outlet end of the air cooler is connected with an air guide cover through a pipeline, an annular shell is arranged outside the motor body, a plurality of groups of first radiating blocks are uniformly and fixedly connected to the inner side wall of the motor body, vent holes are formed in the first radiating blocks, flow guide channels are formed in the side walls of two adjacent first radiating blocks, the inner side wall of the shell and the outer side wall of the motor body, a plurality of first air pipes and a plurality of second air pipes are fixedly connected to one side, close to the shell, of the air guide cover, one end of each first air pipe is positioned in each flow guide channel, and one end of each second air pipe is positioned in each vent hole. The utility model can effectively take away the heat of the second radiating block, the first radiating block, the second radiating strip, the first radiating strip and the outer surface of the motor body, take away the heat generated by motor loss, and achieve the aim of rapidly radiating the motor body.

Description

Air-cooled permanent magnet motor

Technical Field

The utility model relates to the technical field of permanent magnet motors, in particular to an air-cooled permanent magnet motor.

Background

A permanent magnet motor is a motor that generates a magnetic field using permanent magnet materials, and does not require an external power source to generate the magnetic field. Compared with the traditional motor, the permanent magnet motor has higher efficiency and power density. Permanent magnet motors are typically composed of a permanent magnet rotor, in which magnets on the permanent magnet rotor generate a magnetic field, and a stator, in which coils produce torque through interaction with the magnetic field.

When the work load of the permanent magnet motor is large and the temperature is high, the permanent magnet motor needs to be cooled, and the permanent magnet motor in the general market only adopts natural cooling, or adopts a fan to blow the cooling blocks on the outer side of the permanent magnet motor so as to achieve the cooling purpose, but the fan can only blow the local area on the outer side of the permanent magnet motor, so that the fan cannot blow a plurality of cooling blocks well, the cooling blocks are difficult to uniformly cool, a large amount of heat still exists in part of cooling blocks, and the cooling requirement cannot be met.

Disclosure of Invention

Aiming at the defects existing in the prior art, the utility model provides an air-cooled permanent magnet motor, which has the following specific technical scheme:

the utility model provides an air-cooled permanent magnet motor, includes the motor body, the one end of motor body is provided with the air-cooler, the air-out end of air-cooler is through the pipe connection has the wind scooper, the outside of motor body is provided with annular shell, the inside wall of motor body evenly fixedly connected with a plurality of first radiating block of group, the ventilation hole has been seted up to inside the first radiating block, two adjacent the inside wall of first radiating block lateral wall and shell, the lateral wall of motor body are formed with the water conservancy diversion passageway, one side fixedly connected with a plurality of first tuber pipe and the second tuber pipe that the wind scooper is close to the shell, the one end of first tuber pipe is located the water conservancy diversion passageway, the one end of second tuber pipe is located the ventilation hole.

As an improvement of the technical scheme: a plurality of ventilation grooves with semicircular cross sections are arranged on both sides of the first radiating block, the middle part of water conservancy diversion passageway is provided with the second radiating block that is the trapezoid, the one end of second radiating block and the inside wall fixed connection of shell.

As an improvement of the technical scheme: the first radiating block is arranged along the axial direction of the shell, the two ends of the first radiating block extend to the two ends of the shell, the two ends of the ventilation groove are arranged along the axial direction of the first radiating block, the two ends of the ventilation groove penetrate through the first radiating block, and the two ends of the second radiating block extend to the two ends of the shell.

As an improvement of the technical scheme: the inside of water conservancy diversion passageway still is provided with the cross-sectional area and is the second heat dissipation strip that triangle-shaped set up, just the one end and the outer surface fixed connection of motor body of second heat dissipation strip, the one end fixedly connected with a plurality of first heat dissipation strip of motor body one end fixedly connected with that the air-supply line was kept away from, one side of first heat dissipation strip and the one end fixed connection of second heat dissipation strip.

As an improvement of the technical scheme: the motor body is provided with the installation shell far away from the one end of first radiating strip, the one end fixed connection of installation shell and the one end of shell, air-cooler fixed mounting is in the installation shell, one side fixedly connected with air-supply line of air-cooler, the one end of air-supply line and the air inlet end fixed connection of air-cooler, the filter screen plate is still installed to the inside of air-supply line.

As an improvement of the technical scheme: the first radiating block, the second radiating block, the first radiating strip and the second radiating strip are all made of aluminum materials.

The utility model has the beneficial effects that:

when the motor body works, the air cooler is started to pump outside air into the diversion channel and the ventilation holes, the contact area between the ventilation holes and the air can be increased through the ventilation grooves, the pumped air can be better dispersed into the diversion channel through the second heat dissipation block, the ventilation holes can be better contacted with the air, the air can be quickly taken away through the inner surface of the ventilation holes through the second air pipe, the pumped air can be further dispersed through the second heat dissipation strips arranged in a triangular shape, heat is mutually conducted between the second heat dissipation strips and the first heat dissipation strips, and finally the pumped air can flow out from one end of the motor body close to the first heat dissipation strips.

Drawings

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a schematic view of a wind scooper according to the present utility model;

fig. 3 is a schematic diagram of a connection structure between a motor body and a housing in the present utility model.

Fig. 4 is an enlarged schematic view of the structure at a in fig. 3.

Reference numerals: 1. a motor body; 2. a first heat sink bar; 21. a second heat sink bar; 3. a housing; 4. a wind scooper; 5. a first air duct; 6. a second air duct; 7. a mounting shell; 8. an air cooler; 9. an air inlet pipe; 10. a diversion channel; 12. a first heat dissipation block; 13. a second heat sink block; 14. a vent hole; 15. a ventilation groove.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Examples

Referring to fig. 1-4, the air-cooled permanent magnet motor includes a motor body 1, wherein an existing stator, rotor, rotating shaft, etc. are arranged in the motor body 1, and a structure on the market is adopted, and the application is not repeated, an air cooler 8 is arranged at one end of the motor body 1, specifically, the air cooler 8 can be a centrifugal fan or an axial flow fan with smaller volume on the market, an air outlet end of the air cooler 8 is connected with an air guide cover 4 through a pipeline, and an annular housing 3 is arranged outside the motor body 1;

specifically, shell 3 is hollow cylinder shape, the inside wall of motor body 1 evenly fixedly connected with a plurality of first radiating block 12 of group, ventilation hole 14 has been seted up to inside first radiating block 12, specifically, the other end of ventilation hole 14 and the lateral wall fixed connection of motor body 1, thereby carry out fixed connection between shell 3 and motor body 1 through first radiating block 12, ventilation hole 14 sets up along the axis direction of first radiating block 12, and the both ends of ventilation hole 14 link up first radiating block 12, the inside wall of two adjacent first radiating block 12 lateral walls and shell 3, the lateral wall of motor body 1 is formed with water conservancy diversion passageway 10, one side that wind scooper 4 is close to shell 3 fixedly connected with a plurality of first tuber pipe 5 and second tuber pipe 6, the one end of first tuber pipe 5 is located water conservancy diversion passageway 10, the one end of second tuber pipe 6 is located ventilation hole 14.

As shown in fig. 4, in an alternative embodiment: the two sides of the first heat dissipation block 12 are provided with a plurality of ventilation grooves 15 with semicircular cross sections, the middle part of the diversion channel 10 is provided with a second heat dissipation block 13 with a trapezoid shape, and one end of the second heat dissipation block 13 is fixedly connected with the inner side wall of the shell 3.

As shown in fig. 1-4, in an alternative embodiment: the first heat dissipation block 12 is arranged along the axial direction of the shell 3, two ends of the first heat dissipation block 12 extend to two ends of the shell 3, two ends of the ventilation groove 15 are arranged along the axial direction of the first heat dissipation block 12, two ends of the ventilation groove 15 penetrate through the first heat dissipation block 12, and two ends of the second heat dissipation block 13 extend to two ends of the shell 3;

specifically, when the air cooler 8 is started, external air can be extracted into the air guide channel 10 when one end of the air guide channel 10 is aligned to the central axis of the air guide channel 10, the contact area between the vent hole 14 and the air can be increased through the ventilation groove 15, the extracted air can be better dispersed into the air guide channel 10 through the second heat dissipation block 13, the vent hole 14 can be better contacted with the air, and the heat of the second heat dissipation block 13, the ventilation groove 15 and the outer surface of the motor body 1 can be effectively taken away, so that the outer surface of the motor body 1 can be effectively dissipated.

As shown in fig. 1-4, in an alternative embodiment: the inside of water conservancy diversion passageway 10 still is provided with the second heat dissipation strip 21 that the cross-sectional area is triangle-shaped setting, and the one end of second heat dissipation strip 21 and the surface fixed connection of motor body 1, the one end fixedly connected with a plurality of first heat dissipation strip 2 of motor body 1 distance from air-supply line 9, the one side of first heat dissipation strip 2 and the one end fixed connection of second heat dissipation strip 21, the second heat dissipation strip 21 through triangle-shaped setting can further make the air of drawing in dispersed, and the mutual conduction heat between second heat dissipation strip 21 and the first heat dissipation strip 2, the air of being drawn can flow out from the one end that motor body 1 is close to first heat dissipation strip 2 at last, thereby can dispel the heat with the end department of motor body 1.

In an alternative embodiment: the motor body 1 is kept away from the one end of first heat dissipation strip 2 and is provided with installation shell 7, the one end of installation shell 7 and the one end fixed connection of shell 3, air-cooler 8 fixed mounting is in installation shell 7, one side fixedly connected with air-inlet tube 9 of air-cooler 8, the one end of air-inlet tube 9 and the air inlet end fixed connection of air-cooler 8, the filter screen plate is still installed to the inside of air-inlet tube 9, can filter external air through the filter screen plate, prevent that external granule impurity from entering into the fan and producing the influence to the fan, the one end that is close to first heat dissipation strip 2 at shell 3 also can install the filter screen plate, the filter screen plate that blocks water conservancy diversion passageway 10 here, prevent that external granule impurity from entering into water conservancy diversion passageway 10.

In an alternative embodiment: the first radiating block 12, the second radiating block 13, the first radiating strip 2 and the second radiating strip 21 are all made of aluminum, and aluminum is good in heat conductivity, so that the first radiating block 12, the second radiating block 13, the first radiating strip 2 and the second radiating strip 21 are convenient for absorbing heat on the motor body 1.

Specifically, the heat generated by the loss of the motor body 1 during operation is transferred to the outer surface of the motor body 1 through the rotor, the stator and the like, the motor body 1 transfers the heat to the second radiating block 13, the first radiating block 12, the second radiating strip 21 and the first radiating strip 2, the air cooler 8 is started to extract the outside air to enter the diversion channel 10 and the vent hole 14 during operation of the motor body 1, the contact area between the vent hole 14 and the air can be increased through the vent groove 15, the extracted air is better dispersed to the inside of the diversion channel 10 through the second radiating block 13, the vent hole 14 is better contacted with the air, the air passes through the inner surface of the vent hole 14 through the second air pipe 6, the heat on the first radiating block 12 can be quickly taken away, the extracted air can be further dispersed through the second radiating strip 21 which is arranged in a triangular shape, and the first radiating strip 2 conduct heat mutually, and finally the extracted air can flow out from one end of the motor body 1 close to the first radiating strip 2, so that the heat at the end of the motor body 1 can be dissipated, the motor body 1 can be effectively taken away through the second radiating block 21, the second radiating strip 1 and the heat can be quickly taken away from the outer surface of the motor body 1, the first radiating strip 1 and the second radiating strip 1 can be quickly taken away, and the heat can be quickly dissipated to the outer surface of the motor body 1.

Of course, the utility model can also set up the air cooler 8 and the above-mentioned air draft direction to draft air in opposite directions, namely draw the external air to flow into the diversion channel 10 and ventilation hole 14 through the air cooler 8, then flow out from 9 air inlet pipes, achieve the radiating effect to the motor body 1.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. The utility model provides an air-cooled permanent magnet motor, includes motor body (1), its characterized in that, the one end of motor body (1) is provided with air-cooler (8), the air-out end of air-cooler (8) has wind scooper (4) through the pipe connection, the outside of motor body (1) is provided with annular shell (3), the inside wall of motor body (1) evenly fixedly connected with a plurality of first radiating block (12), ventilation hole (14) have been seted up to inside of first radiating block (12), two adjacent the inside wall of first radiating block (12) lateral wall and shell (3), the lateral wall of motor body (1) are formed with air guide channel (10), one side fixedly connected with a plurality of first tuber pipe (5) and second tuber pipe (6) that wind scooper (4) are close to shell (3), the one end of first tuber pipe (5) is located air guide channel (10), the one end of second tuber pipe (6) is located ventilation hole (14).

2. An air-cooled permanent magnet machine according to claim 1, wherein: the two sides of the first radiating block (12) are provided with a plurality of ventilation grooves (15) with semicircular cross sections, the middle part of the flow guide channel (10) is provided with a second radiating block (13) with a trapezoid shape, and one end of the second radiating block (13) is fixedly connected with the inner side wall of the shell (3).

3. An air-cooled permanent magnet machine according to claim 2, wherein: the first radiating block (12) is arranged along the axial direction of the shell (3), the two ends of the first radiating block (12) extend to the two ends of the shell (3), the two ends of the ventilation groove (15) are arranged along the axial direction of the first radiating block (12), the two ends of the ventilation groove (15) penetrate through the first radiating block (12), and the two ends of the second radiating block (13) extend to the two ends of the shell (3).

4. An air-cooled permanent magnet machine according to claim 3, wherein: the inside of water conservancy diversion passageway (10) still is provided with second radiating strip (21) that the cross-sectional area was triangle-shaped setting, just the one end of second radiating strip (21) and the surface fixed connection of motor body (1), the one end fixedly connected with a plurality of first radiating strip (2) of air-supply line (9) are kept away from to motor body (1), one side of first radiating strip (2) and the one end fixed connection of second radiating strip (21).

5. An air-cooled permanent magnet machine according to claim 4, wherein: the motor body (1) is kept away from one end of first radiating strip (2) and is provided with installation shell (7), the one end of installation shell (7) and the one end fixed connection of shell (3), air-cooler (8) fixed mounting is in installation shell (7), one side fixedly connected with air-supply line (9) of air-cooler (8), the one end of air-supply line (9) and the air inlet end fixed connection of air-cooler (8), the filter screen plate is still installed to the inside of air-supply line (9).

6. An air-cooled permanent magnet machine according to claim 5, wherein: the first radiating block (12), the second radiating block (13), the first radiating strip (2) and the second radiating strip (21) are all made of aluminum materials.