CN215300393U - Outer ventilation heat dissipation structure of air-cooled vertical permanent magnet motor - Google Patents
Outer ventilation heat dissipation structure of air-cooled vertical permanent magnet motor Download PDFInfo
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- CN215300393U CN215300393U CN202121401810.XU CN202121401810U CN215300393U CN 215300393 U CN215300393 U CN 215300393U CN 202121401810 U CN202121401810 U CN 202121401810U CN 215300393 U CN215300393 U CN 215300393U
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- end cover
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Abstract
The utility model discloses an outer ventilation heat radiation structure of air-cooled vertical permanent magnet motor, heat radiation structure includes that fan, air intake wind scooper, frame air intake, frame inner tube, frame heat dissipation muscle, frame planking, frame air outlet, axle stretch end cover, end cover fin, fan and air intake wind scooper install in proper order on the frame air intake, frame heat dissipation muscle welds on frame inner tube surface along radial circumferencial direction, seal through the frame planking between frame air intake and the air outlet, constitute the heat dissipation wind channel between the internal surface of frame planking and the frame inner tube surface, the axle is installed respectively at the axial both ends of frame planking and frame inner tube and is stretched end cover and non-axle and stretch end cover, is provided with on the surface of axle stretch end cover the end cover fin. The utility model discloses the effectual radiating problem of ventilating outside vertical permanent-magnet machine of having solved has guaranteed permanent-magnet machine safe and reliable operation, has reduced the maintenance cost, has improved production efficiency.
Description
Technical Field
The utility model belongs to the permanent-magnet machine field relates to an outer ventilation heat radiation structure of air-cooled vertical permanent-magnet machine, especially a dedicated adoption side direction ventilation of vertical motor cooperates the radiating outer ventilation heat radiation structure of air-cooled permanent-magnet machine of end cover fin.
Background
In recent years, with the continuous development of rare earth permanent magnet technology, a permanent magnet synchronous motor becomes an ideal driving motor used by various industrial departments, and has the advantages of high overall efficiency, low maintenance, excellent speed regulation performance, large overload starting capability and the like. When the environmental temperature is high and the load is large, the heat dissipation requirement can not be met sometimes if only natural cooling is adopted, so that air cooling or water cooling is adopted for heat dissipation. When external air cooling heat dissipation is adopted, the axial heat dissipation ribs are arranged on the outer side of the machine body, and cold air is blown to the heat dissipation ribs through the axial flow fan at the non-axial-extension end of the motor to dissipate heat. For the vertical permanent magnet motor, the non-shaft-extension end of the vertical permanent magnet motor is placed on the base, the installation position of the axial flow fan cannot be reserved, and if the scheme is adopted, the fan cannot be installed.
SUMMERY OF THE UTILITY MODEL
To the not enough of above-mentioned prior art existence, the utility model provides an outer ventilation heat radiation structure of air-cooled vertical permanent-magnet machine.
The utility model adopts the technical proposal that: an external ventilation heat dissipation structure of an air-cooled vertical permanent magnet motor comprises a fan, an air inlet air guide cover, a base air inlet, a base inner cylinder, a base heat dissipation rib, a base outer plate, a base air outlet, a shaft extension end cover and an end cover heat dissipation fin, the fan and the air inlet wind scooper are sequentially arranged on the air inlet of the engine base, the heat dissipation ribs of the engine base are welded on the outer surface of the inner cylinder of the engine base along the radial circumferential direction, and the heat dissipation ribs of the engine base are uniformly distributed along the axial direction, the air inlet of the engine base and the air outlet of the engine base are oppositely arranged on the non-axial two sides of the inner cylinder of the engine base, the air inlet and the air outlet of the engine base are sealed by the outer plate of the engine base, a heat dissipation air duct is formed between the inner surface of the outer plate of the engine base and the outer surface of the inner cylinder of the engine base, and the axial two ends of the outer plate of the engine base and the inner cylinder of the engine base are respectively provided with an end cover of the shaft extension end and an end cover of the non-shaft extension end, and the outer surface of the end cover of the shaft extension end is provided with the end cover cooling fins.
Further, the fan is a centrifugal fan or an axial flow fan, and the blowing mode is blowing or suction.
Furthermore, the outlet of the fan is fixed on the air inlet guide cover through a first locking bolt, and a first rubber gasket is arranged in a connecting port of the fan and the air inlet guide cover.
Furthermore, the air inlet wind scooper is fixed on the air inlet of the engine base through a second locking bolt, and a second rubber gasket is arranged in a connecting port of the air inlet wind scooper and the engine base.
Furthermore, the heat dissipation structure further comprises a wiring terminal and a wiring box, and the coil in the motor is led into the wiring box through the wiring terminal.
Furthermore, the wiring terminal and the wiring box are arranged at the air outlet of the engine base, and the wiring terminal (11) is welded on the inner cylinder of the engine base; or may be placed outside the outer plate of the machine base or in other positions according to the actual situation.
Furthermore, the end cover cooling fins are uniformly distributed on the surface of the shaft extension end cover along the radial circumferential direction.
Furthermore, the end cover radiating fins are fixed on the surface of the shaft extension end cover through bolts, and the end cover radiating fins are made of any one of aluminum, steel, copper and the like; the shape and number of the end cover cooling fins can be selected according to actual needs.
Furthermore, the air outlet of the base is of an open structure, and an air outlet wind scooper or an outlet filtering device and the like can be arranged at the air outlet of the base according to actual needs.
The utility model has the advantages that: adopt the technical scheme of the utility model, the heat that the motor loss produced transmits frame inner tube, frame heat dissipation muscle and frame planking surface through rotor, stator and frame, and cooling blower blows in cold wind to the frame runner in, makes cold wind pass through frame inner tube surface, frame heat dissipation muscle surface and frame planking internal surface, discharges from the frame air outlet, takes away the heat that the motor loss produced to reach the radiating purpose of cooling for the motor. Meanwhile, heat generated by motor bearing abrasion and coil end loss is transferred to the outer surfaces of the end cover and the end cover radiating fins, and the purpose of radiating the motor is achieved by carrying out heat convection with ambient air.
The utility model discloses a CFD of the required amount of wind of motor heat dissipation, wind pressure calculates, confirms that suitable fan power, frame are imported and exported area and reasonable heat dissipation muscle and are distributed to adopt the side blow, the radial circumference heat dissipation muscle heat dissipation form of frame, the effectual outer ventilation cooling's of having solved vertical permanent-magnet machine problem guarantees permanent-magnet machine safe and reliable operation, has reduced the maintenance cost, has improved production efficiency.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
FIG. 1 is a schematic half-sectional view of the overall structure of the present invention;
fig. 2 is a side view of the overall structure of the present invention.
Labeled as: 1. a fan; 2. a first locking bolt; 3. a first rubber gasket; 4. an air inlet wind scooper; 5. a second locking bolt; 6. a second rubber gasket; 7. an air inlet of the engine base; 8. a shaft extension end cap; 9. end cover cooling fins; 10. an inner cylinder of the machine base; 11. a binding post; 12. a junction box; 13. a heat dissipation rib of the engine base; 14. an outer plate of the engine base; 15. an air outlet of the machine base; 16. non-shaft end caps.
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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1 and 2, an air-cooled vertical permanent magnet motor external ventilation and heat dissipation structure includes a fan 1, a first locking bolt 2, a first rubber gasket 3, an air inlet air guide cover 4, a second locking bolt 5, a second rubber gasket 6, a base air inlet 7, a shaft extension end cover 8, an end cover heat sink 9, a base inner cylinder 10, a binding post 11, a junction box 12, a base heat dissipation rib 13, a base outer plate 14, a base air outlet 15, and a non-shaft extension end cover 16. The fan 1 and the first rubber gasket 3 are fixed on an air inlet air guide cover 4 through a first locking bolt 2, the air inlet air guide cover 4 and the second rubber gasket 6 are fixed on an air inlet 7 of the machine base through a second locking bolt 5, heat dissipation ribs 13 of the machine base are welded on an inner cylinder 10 of the machine base along the radial circumferential direction, the heat dissipation ribs 13 of the machine base are uniformly distributed along the axial direction, an outer plate 14 of the machine base is welded between the air inlet 7 and the air outlet 15 of the machine base for sealing, and a heat dissipation air channel is formed between the inner surface of the outer plate 14 of the machine base and the outer surface of the inner cylinder 10 of the machine base; the wiring terminal 11 is welded on the inner barrel 10 of the machine base, the inner coil is led into the wiring box 12 through the wiring terminal 11, the end cover radiating fins 9 are uniformly fixed on the surface of the shaft extension end cover 8 along the radial circumferential direction through bolts, and the non-shaft extension end cover 16 is placed on the motor base.
In this embodiment, the fan 1 is a centrifugal fan or an axial flow fan, and the blowing manner may be blowing or suction.
In this embodiment, the end cover cooling fins 9 are made of aluminum, steel, copper, etc., and the shapes and the number thereof can be selected according to the actual situation.
In this embodiment, the junction box 12 is disposed at the outlet 15 of the base, and may be disposed outside the outer plate 14 of the base or at other positions according to the actual situation.
In this embodiment, the air outlet 15 of the base is completely open, and an air guiding cover of the air outlet, an outlet filtering device, and the like may be actually disposed.
To sum up, the working principle of the heat dissipation structure is as follows: the heat generated by the motor loss is transmitted to the outer surface of the inner cylinder 9 of the base, the outer surface of the heat dissipation rib 12 of the base and the inner surface of the outer plate 14 of the base through the rotor, the stator and the base, and the cooling fan 1 blows cold air into the flow channel of the base, so that the cold air is discharged from the air outlet 15 of the base through the outer surface of the inner cylinder 9 of the base, the outer surface of the heat dissipation rib 12 of the base and the inner surface of the outer plate 14 of the base, and the heat generated by the motor loss is taken away, thereby achieving the purpose of cooling and dissipating the heat of the motor. Meanwhile, heat generated by motor bearing abrasion and coil end loss is transferred to the outer surfaces of the end cover 8 and the end cover radiating fins 9, and the purpose of radiating the motor is achieved by carrying out heat convection with ambient air.
By adopting the technical scheme, the proper fan power, the inlet and outlet area of the base and the reasonable distribution of the heat dissipation ribs are determined through the air quantity and the CFD calculation of the air pressure required by the heat dissipation of the motor, and the side-blowing and radial circumference heat dissipation rib heat dissipation form of the base is adopted, so that the air inlet direction is parallel to the flow channel, the pressure required by the operation of the fan is reduced, the air inlet quantity is increased, the heat dissipation is facilitated, the problem of external ventilation and heat dissipation of the vertical permanent magnet motor is effectively solved, the safe and reliable operation of the permanent magnet motor is ensured, the maintenance cost is reduced, and the production efficiency is improved.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the above embodiments do not limit the scope of the present invention in any way, and all technical solutions obtained by using equivalent substitution modes and the like fall within the scope of the present invention.
The utility model discloses the part that does not relate to all is the same with prior art or can adopt prior art to realize.
Claims (10)
1. An air-cooled vertical permanent magnet motor external ventilation heat dissipation structure is characterized by comprising a fan (1), an air inlet air guide cover (4), a base air inlet (7), a base inner cylinder (10), base heat dissipation ribs (13), a base outer plate (14), a base air outlet (15), a shaft extension end cover (8) and end cover heat dissipation fins (9), wherein the fan (1) and the air inlet air guide cover (4) are sequentially arranged on the base air inlet (7), the base heat dissipation ribs (13) are welded on the outer surface of the base inner cylinder (10) along the radial circumferential direction, the base heat dissipation ribs (13) are uniformly distributed along the axial direction, the base air inlet (7) and the base air outlet (15) are oppositely arranged on the non-axial two sides of the base inner cylinder (10), and the base air inlet (7) and the base outer plate (15) are sealed through the base (14), constitute the heat dissipation wind channel between the internal surface of frame planking (14) and frame inner tube (10) surface, the axial both ends of frame planking (14) and frame inner tube (10) are installed the axle respectively and are stretched end cover (8) and non-axle and stretch end cover (16), be provided with on the surface of axle extension end cover (8) end cover fin (9).
2. The external ventilation and heat dissipation structure of the air-cooled vertical permanent magnet motor according to claim 1, wherein the fan (1) is a centrifugal fan or an axial flow fan, and the blowing manner is blowing or sucking.
3. The air-cooled vertical permanent magnet motor external ventilation heat dissipation structure according to claim 1 or 2, wherein an outlet of the fan (1) is fixed on the air inlet air guide cover (4) through a first locking bolt (2), and a first rubber gasket (3) is arranged in a connecting port of the fan and the air inlet air guide cover.
4. The external ventilation heat dissipation structure of the air-cooled vertical permanent magnet motor according to claim 1, wherein the air inlet wind scooper (4) is fixed on the air inlet (7) of the base through a second locking bolt (5), and a second rubber gasket (6) is arranged in the connecting port of the air inlet wind scooper and the air inlet (7).
5. The external ventilation heat dissipation structure of the air-cooled vertical permanent magnet motor according to claim 1, wherein the heat dissipation structure further comprises a terminal (11) and a terminal box (12), and the internal coil of the motor is led into the terminal box (12) through the terminal (11).
6. The air-cooled vertical permanent magnet motor external ventilation heat dissipation structure of claim 5, wherein the terminal (11) and the junction box (12) are arranged at the air outlet (15) of the base, and the terminal (11) is welded on the inner cylinder (10) of the base.
7. The air-cooled vertical permanent magnet motor external ventilation heat dissipation structure according to claim 5, wherein the terminal post (11) and the terminal box (12) are arranged on the outer side of the outer plate (14) of the base.
8. The air-cooled vertical permanent magnet motor outer ventilation heat dissipation structure according to claim 1, wherein the end cover cooling fins (9) are uniformly distributed on the surface of the shaft extension end cover (8) along the radial circumferential direction.
9. The air-cooled vertical permanent magnet motor outer ventilation heat dissipation structure according to claim 1 or 8, wherein the end cover cooling fins (9) are fixed on the surface of the shaft extension end cover (8) through bolts, and the material of the end cover cooling fins (9) is any one of aluminum, steel and copper.
10. The external ventilation and heat dissipation structure of the air-cooled vertical permanent magnet motor according to claim 1, wherein the base air outlet (15) is of an open structure, and the base air outlet (15) is provided with an air outlet wind scooper or an outlet filtering device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121401810.XU CN215300393U (en) | 2021-06-23 | 2021-06-23 | Outer ventilation heat dissipation structure of air-cooled vertical permanent magnet motor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121401810.XU CN215300393U (en) | 2021-06-23 | 2021-06-23 | Outer ventilation heat dissipation structure of air-cooled vertical permanent magnet motor |
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| CN215300393U true CN215300393U (en) | 2021-12-24 |
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| CN202121401810.XU Active CN215300393U (en) | 2021-06-23 | 2021-06-23 | Outer ventilation heat dissipation structure of air-cooled vertical permanent magnet motor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113364209A (en) * | 2021-06-23 | 2021-09-07 | 南京迪瓦永磁科技有限公司 | Outer ventilation heat dissipation structure of air-cooled vertical permanent magnet motor |
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2021
- 2021-06-23 CN CN202121401810.XU patent/CN215300393U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113364209A (en) * | 2021-06-23 | 2021-09-07 | 南京迪瓦永磁科技有限公司 | Outer ventilation heat dissipation structure of air-cooled vertical permanent magnet motor |
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