CN217486296U - Inside and outside ventilation heat radiation structure of air cooling island permanent-magnet machine - Google Patents
Inside and outside ventilation heat radiation structure of air cooling island permanent-magnet machine Download PDFInfo
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- CN217486296U CN217486296U CN202221365616.5U CN202221365616U CN217486296U CN 217486296 U CN217486296 U CN 217486296U CN 202221365616 U CN202221365616 U CN 202221365616U CN 217486296 U CN217486296 U CN 217486296U
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Abstract
The utility model discloses an inside and outside ventilation cooling structure of air cooling island permanent-magnet machine, it includes interior ventilation cooling structure and outer ventilation cooling structure, interior ventilation cooling structure includes that first fan, air-supply line, non-axle stretch end cover ventilation hole and axle stretch end cover ventilation hole, the non-axle stretches end cover ventilation hole as the air intake to first fan passes through the air-supply line and installs in this air intake department, the axle stretches end cover ventilation hole as the air outlet, constitute the hot air duct that looses between air intake and the air outlet, outer ventilation cooling structure includes that second fan, non-axle stretch end cover, frame and aluminium system fin, the second fan is installed and is stretched on the end cover at the non-axle, aluminium system fin is evenly installed at the frame surface along circumference. The utility model discloses a radiating problem of air cooling island motor has effectively been solved to inside and outside ventilation and the radiating form of frame aluminium system fin, guarantees permanent-magnet machine safe and reliable operation, has reduced the maintenance cost, has improved production efficiency.
Description
Technical Field
The utility model relates to an inside and outside ventilation cooling structure of motor, especially an inside and outside ventilation cooling structure of dedicated adoption frame aluminium system fin radiating permanent-magnet machine of air cooling island permanent-magnet machine belongs to the motor heat dissipation field.
Background
The permanent magnet motor of the air cooling island is mainly applied to the industries of ports, coal, cement, mines, petrifaction, pharmacy and the like, and has the characteristics of high efficiency, energy conservation, environmental protection and the like. Compared with the traditional asynchronous motor and speed reducer scheme, the air cooling island permanent magnet direct drive motor has the advantages of low long-term running cost, low current, long service life, short driving chain, high torque transmission efficiency, low system maintenance workload and the like. However, the air cooling island motor has requirements on the maximum weight, the size of the motor is small in design, the corresponding heat load is increased, if only natural convection or external simple air cooling heat dissipation is adopted, other special designs are not adopted, the motor coil can be over-heated quickly, the motor is burnt, and the property loss of a user is further caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an inside and outside ventilation cooling structure of air cooling island permanent-magnet machine to overcome the not enough of above-mentioned prior art existence.
In order to achieve the purpose, the utility model adopts the following technical scheme:
an inside and outside ventilation and heat dissipation structure of an air cooling island permanent magnet motor comprises an inside ventilation and heat dissipation structure and an outside ventilation and heat dissipation structure; the inner ventilation and heat dissipation structure comprises a first fan, an air inlet pipe, a non-shaft-extension end cover vent hole and a shaft-extension end cover vent hole, the non-shaft-extension end cover vent hole is used as an air inlet, the first fan is communicated with the air inlet through the air inlet pipe, the shaft-extension end cover vent hole is used as an air outlet, a heat dissipation air channel is formed between the air inlet and the air outlet, and cooling air in the heat dissipation air channel dissipates heat through the inner surface of the stator and the outer surface of the rotor; outer ventilation cooling structure includes that second fan, non-axle stretch end cover, frame and aluminium system fin, the second fan is just to installing the one side at non-axle stretch end cover, aluminium system fin is evenly installed at the frame surface along circumference, the cooling wind that the second fan produced blows non-axle stretch end cover and dispels the heat to aluminium system fin surface.
Furthermore, the second fan is installed on the air guide cover, and the air guide cover is fixed on the outer edge of the end cover of the non-shaft-extension end through a third locking bolt.
Furthermore, a junction box is further installed on one side of the non-shaft-extension end cover, the junction box is installed on the base through a binding post, a certain gap is reserved between the junction box and the base, and the binding post penetrates through the wind scooper to be connected with the base.
Furthermore, the air inlet end of the air inlet pipe is bent outwards and penetrates through the air guide cover, and the first fan is connected with the air inlet pipe and located on the outer side of the air guide cover; and cooling air generated by the second fan blows the air inlet pipe and the wiring terminal of the first fan, and flows to the outer surface of the aluminum radiating fin through the gap between the air guide cover and the end cover of the non-shaft extension end to dissipate heat.
Furthermore, the air outlet of the first fan is fixed at the air inlet end of the air inlet pipe through a first locking bolt and a first rubber gasket, and the air outlet end of the air inlet pipe is fixed at the vent hole of the non-shaft-extension end cover through a second locking bolt and a second rubber gasket.
Furthermore, the air inlet of the first fan is provided with a dust removal filter cylinder, and the vent hole of the end cover of the shaft extension end is provided with a filter screen.
Further, the first fan is a centrifugal fan, and the second fan is a centrifugal fan or an axial flow fan.
Furthermore, the aluminum cooling fins are uniformly fixed on the outer side of the base along the circumferential direction through fourth locking bolts, and heat-conducting silica gel is coated between contact surfaces of the aluminum cooling fins and the base.
Compared with the prior art, the beneficial effects of the utility model are as follows:
by adopting the technical scheme of the utility model, the heat generated by the motor loss is transferred to the inner surface of the stator and the outer surface of the rotor, the first fan blows cold air into the motor, so that the cold air passes through the air gap, flows through the inner surface of the stator and the outer surface of the rotor and is discharged from the vent hole of the end cover, the heat of the motor is taken away, and the effect of effectively reducing the internal temperature of the motor is achieved; meanwhile, due to the fact that the heat conducting performance of the aluminum is good, heat generated by motor loss is transferred to the outer surface of the base, the heat is quickly transferred to the outer surface of the aluminum radiating fin through the heat conducting silica gel, and cold air generated by the second fan flows through the surface of the radiating fin through an air gap between the fan cover and the end cover, and the purpose of quickly radiating the motor can be achieved.
The utility model discloses an inside and outside ventilation and frame aluminium system fin radiating form, through the required amount of wind of motor heat dissipation, the CFD of wind pressure calculates, confirms suitable inside and outside ventilation fan power, end cover business turn over wind gap area, interior ventilation air-supply line and outer ventilation wind scooper to according to heat dissipation demand reasonable in design's aluminium system fin, effectively solved the radiating problem of air cooling island motor, guarantee permanent-magnet machine safe and reliable operation, reduced the maintenance cost, 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 schematic view of a partial section of the aluminum heat sink mounting hole of the present invention.
Labeled in the figure as: 1. an air inlet pipe; 2. a first locking bolt; 3. a first rubber gasket; 4. a first fan; 5. a non-shaft-extending end cap vent hole; 6. a second lock bolt; 7. a second rubber gasket; 8. the shaft extension end covers the vent hole; 9. a rotor; 10. a stator; 11. a machine base; 12. aluminum heat dissipation fins; 13. a junction box; 14. a binding post; 15. a third locking bolt; 16. a non-shaft-extending end cap; 17. a second fan; 18. a fourth lock bolt; 19. a wind scooper.
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 inside and outside ventilation and heat dissipation structure of an air cooling island permanent magnet motor comprises an air inlet pipe 1, a first locking bolt 2, a first rubber gasket 3, a first fan 4, a non-shaft-extension end cover vent hole 5, a second locking bolt 6, a second rubber gasket 7, a shaft-extension end cover vent hole 8, a rotor 9, a stator 10, a base 11, an aluminum cooling fin 12, a junction box 13, a binding post 14, a third locking bolt 15, a non-shaft-extension end cover 16, a second fan 17, a fourth locking bolt 18 and an air guide cover 19.
Wherein, the heat radiation structure comprises an inner ventilation heat radiation structure and an outer ventilation heat radiation structure, the inner ventilation heat radiation structure comprises a first fan 4, an air inlet pipe 1, a non-shaft extension end cover vent hole 5 and a shaft extension end cover vent hole 8, the non-shaft extension end cover vent hole 5 is used as an air inlet, the first fan 4 is arranged at the air inlet through the air inlet pipe 1, the shaft extension end cover vent hole 8 is used as an air outlet, a heat radiation air channel is formed between the air inlet and the air outlet, cooling air in the heat radiation air channel flows through the inner surface of a stator 10 and the outer surface of a rotor 9 for heat radiation, the outer ventilation heat radiation structure comprises a second fan 17, a non-shaft extension end cover 16, a binding post 14, a junction box 13, a machine base 11 and an aluminum radiating fin 12, the second fan 17 is arranged on the non-shaft extension end cover 16, the junction box 13 is arranged on the machine base 11 through the binding post 14, the aluminum radiating fins 12 are uniformly arranged on the outer surface of the base 11 along the circumferential direction, and cooling air generated by the second fan 17 blows through the first fan air inlet pipe 1 and the binding post 14 and flows to the outer surface of the aluminum radiating fins 12 of the base through an air gap between the second fan 17 air guide cover and the non-shaft extension end cover 16 to radiate.
In this embodiment, the first fan 4 is a centrifugal fan, the outlet of the first fan is fixed at the inlet of the air inlet pipe 1 through the first locking bolt 2 and the first rubber gasket 3, and the outlet of the air inlet pipe 1 is fixed at the vent hole 5 of the non-shaft-extension end cover through the second locking bolt 6 and the second rubber gasket 7.
In this embodiment, the air inlet of the first fan 4 is provided with a dust removal filter cylinder, and the vent hole 8 of the end cover of the shaft extension end is provided with a filter screen.
In this embodiment, the second fan 17 is a centrifugal fan or an axial flow fan, and the outlet air guiding cover is fixed to the outer edge of the non-axial end cover 16 through a third locking bolt 15.
In this embodiment, the aluminum heat sink 12 is uniformly fixed to the outer side of the base 11 along the circumferential direction by the fourth locking bolt 18, and heat conductive silica gel is coated between two contact surfaces.
In conclusion, heat generated by motor loss is transferred to the inner surface of the stator 10 and the outer surface of the rotor 9, the first fan 4 blows cold air into the motor, the cold air passes through the air gap, flows through the inner surface of the stator 10 and the outer surface of the rotor 9 and is discharged from the air outlet 8 of the end cover at the extending end of the shaft, the heat of the motor is taken away, and the effect of effectively reducing the internal temperature of the motor is achieved; meanwhile, due to the good heat conducting property of the aluminum, heat generated by motor loss is transferred to the outer surface of the base 11 and is quickly transferred to the outer surface of the aluminum radiating fin 12 through heat conducting silica gel, and cold air generated by the second fan 17 flows through the surface of the aluminum radiating fin 12 through an air gap between the fan cover and the non-shaft-extension end cover 16 and can also achieve the purpose of quickly radiating the motor.
By adopting the technical scheme of the internal and external ventilation and the heat dissipation of the aluminum radiating fins of the base, the proper internal and external ventilation fan power, the air inlet and outlet area of the end cover, the internal ventilation air inlet pipe and the external ventilation air guide cover are determined through the CFD calculation of the air quantity and the air pressure required by the heat dissipation of the motor, and the aluminum radiating fins which are reasonably designed according to the heat dissipation requirement effectively solve the heat dissipation problem of the motor of the air cooling island, ensure the safe and reliable operation of the permanent magnet motor, reduce the maintenance cost and improve the production efficiency.
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 (8)
1. An internal and external ventilation and heat dissipation structure of an air cooling island permanent magnet motor is characterized in that the heat dissipation structure comprises an internal ventilation and heat dissipation structure and an external ventilation and heat dissipation structure; the inner ventilation and heat dissipation structure comprises a first fan (4), an air inlet pipe (1), a non-shaft-extension end cover vent hole (5) and a shaft-extension end cover vent hole (8), wherein the non-shaft-extension end cover vent hole (5) is used as an air inlet, the first fan (4) is communicated with the air inlet through the air inlet pipe (1), the shaft-extension end cover vent hole (8) is used as an air outlet, a heat dissipation air channel is formed between the air inlet and the air outlet, and cooling air in the heat dissipation air channel flows through the inner surface of the stator (10) and the outer surface of the rotor (9) to dissipate heat; outer ventilation cooling structure includes that second fan (17), non-axle stretch end cover (16), frame (11) and aluminium system fin (12), second fan (17) are just to installing the one side at non-axle stretch end cover (16), evenly install at frame (11) surface along circumference aluminium system fin (12), the cooling air that second fan (17) produced blows the non-axle and stretches end cover (16) and dispel the heat to aluminium system fin (12) surface.
2. The inside and outside ventilation and heat dissipation structure of the air cooling island permanent magnet motor according to claim 1, wherein the second fan (17) is mounted on an air guide cover (19), and the air guide cover (19) is fixed to the outer edge of the non-shaft-extension end cover (16) through a third locking bolt (15).
3. The internal and external ventilation and heat dissipation structure of the air cooling island permanent magnet motor according to claim 2, wherein a junction box (13) is further mounted on one side of the non-shaft-extension end cover (16), the junction box (13) is mounted on the base (11) through a terminal (14), a certain gap is reserved between the junction box (13) and the base (11), and the terminal (14) penetrates through the wind scooper (19) to be connected with the base (11).
4. The inside and outside ventilation and heat dissipation structure of the air cooling island permanent magnet motor according to claim 3, wherein the air inlet end of the air inlet pipe (1) is bent outwards and penetrates through the wind scooper (19), and the first fan (4) is connected with the air inlet pipe and is positioned outside the wind scooper (19); and after cooling air generated by the second fan (17) blows through the air inlet pipe (1) and the wiring terminal (14) of the first fan, the cooling air flows to the outer surface of the aluminum radiating fin (12) through a gap between the air guide cover (19) and the non-shaft extension end cover (16) to radiate.
5. The inside and outside ventilation and heat dissipation structure of the air cooling island permanent magnet motor according to claim 1, wherein an air outlet of the first fan (4) is fixed to an air inlet end of the air inlet pipe (1) through a first locking bolt (2) and a first rubber gasket (3), and an air outlet end of the air inlet pipe (1) is fixed to a non-shaft-extension end cover vent hole (5) through a second locking bolt (6) and a second rubber gasket (7).
6. The inside and outside ventilation and heat dissipation structure of the air cooling island permanent magnet motor according to claim 1, wherein a dust removal filter cylinder is arranged at an air inlet of the first fan (4), and a filter screen is arranged at the ventilation hole (8) of the shaft extension end cover.
7. The inside and outside ventilation and heat dissipation structure of the air cooling island permanent magnet motor according to claim 1, wherein the first fan (4) is a centrifugal fan, and the second fan (17) is a centrifugal fan or an axial flow fan.
8. The internal and external ventilation and heat dissipation structure of the air cooling island permanent magnet motor according to claim 1, wherein the aluminum heat dissipation fins (12) are uniformly fixed on the outer side of the base (11) along the circumferential direction through fourth locking bolts (18), and heat-conducting silica gel is coated between the contact surfaces of the aluminum heat dissipation fins and the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221365616.5U CN217486296U (en) | 2022-06-02 | 2022-06-02 | Inside and outside ventilation heat radiation structure of air cooling island permanent-magnet machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221365616.5U CN217486296U (en) | 2022-06-02 | 2022-06-02 | Inside and outside ventilation heat radiation structure of air cooling island permanent-magnet machine |
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| CN217486296U true CN217486296U (en) | 2022-09-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114928201A (en) * | 2022-06-02 | 2022-08-19 | 南京迪瓦永磁科技有限公司 | Inside and outside ventilation cooling structure of air cooling island permanent-magnet machine |
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2022
- 2022-06-02 CN CN202221365616.5U patent/CN217486296U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114928201A (en) * | 2022-06-02 | 2022-08-19 | 南京迪瓦永磁科技有限公司 | Inside and outside ventilation cooling structure of air cooling island permanent-magnet machine |
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