CN215370277U

CN215370277U - High temperature resistant axial fan

Info

Publication number: CN215370277U
Application number: CN202121087664.8U
Authority: CN
Inventors: 李胜军
Original assignee: Jianli Chutian Grain And Oil Machinery Co ltd
Current assignee: Jianli Chutian Grain And Oil Machinery Co ltd
Priority date: 2021-05-20
Filing date: 2021-05-20
Publication date: 2021-12-31
Anticipated expiration: 2031-05-20

Abstract

The utility model relates to the technical field of axial flow fans and discloses a high-temperature-resistant axial flow fan which comprises a base, wherein a shell is fixedly arranged on the upper end surface of the base, and a sound absorption layer is fixedly arranged on the inner side of the shell. This high temperature resistant axial fan, be provided with the water tank, the inside coolant liquid that loads, the coolant liquid passes through the water pump and carries in the cooling tube, the cooling tube winding is in the inside cavity of casing, outside air enters into the cavity through the vent, the cooling tube cools down to the air in the cavity, improve the outside heat resistance of fan, can use under high temperature environment for a long time, driving motor passes through heat conduction support mounting in fixed sleeve, be connected through spring leaf and sound absorption layer between fixed sleeve and the casing, play vibration/noise reduction's effect, the driving motor outside is provided with cooling sleeve, partial cooling water in the cooling tube flows into cooling sleeve through coupling hose, cool down driving motor, driving motor's heat resistance and life have been improved.

Description

High temperature resistant axial fan

Technical Field

The utility model relates to the technical field of axial flow fans, in particular to a high-temperature-resistant axial flow fan.

Background

Axial fans are widely used, namely airflow in the same direction as the axis of the fan blade, such as electric fans, and fans outside air conditioners are axial fans which are called axial fans because air flows parallel to the axis of the fan and are generally used in occasions with high flow requirements and low pressure requirements.

Most axial fan simple structure now, the thermal diffusivity of self is relatively poor, can't use under the environment of high temperature for a long time, and the heat that produces when driving motor uses also can reduce the thermal diffusivity and the life of fan, does not possess vibration/noise reduction's function simultaneously, can cause certain influence to the surrounding environment during the use.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model aims to provide a high-temperature-resistant axial flow fan, and aims to solve the problems that most axial flow fans proposed in the background art are simple in structure, poor in self heat dissipation performance and incapable of being used in a high-temperature environment for a long time, heat generated when a driving motor is used can also reduce the heat dissipation performance and the service life of the fan, and meanwhile, the axial flow fans do not have the functions of damping and reducing noise and can affect the surrounding environment to a certain extent when in use.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: a high-temperature-resistant axial flow fan comprises a base, wherein a shell is fixedly mounted on the upper end face of the base, a sound absorbing layer is fixedly mounted on the inner side of the shell, a fixing sleeve is fixedly mounted on the inner side of the sound absorbing layer, one end of a spring piece is fixedly mounted on the outer side of the fixing sleeve, a heat conducting support is fixedly mounted on the inner side of the fixing sleeve, a driving motor is fixedly mounted in the heat conducting support, an impeller is fixedly mounted on an output shaft of the driving motor, a water tank, a water pump and a heat exchanger are fixedly mounted in the base, one end of a first connecting pipe is fixedly mounted at a water outlet of the water pump, one end of a second connecting pipe is fixedly mounted at a water inlet of the heat exchanger, a cavity is formed in the shell, a cooling pipe is fixedly mounted in the cavity, ventilation openings are formed in the front end and the rear end of the shell, and a cooling sleeve is fixedly mounted on the outer side of the heat conducting support, the cooling sleeve is characterized in that radiating fins are fixedly arranged inside the cooling sleeve, one end of a connecting hose is fixedly arranged on the outer side of the cooling sleeve, and a protective mesh cover is fixedly arranged on the outer side of the shell.

Preferably, the centre of a circle of casing, sound absorbing layer, fixed sleeve is located same water flat line, sound absorbing layer specifically adopts and inhales the sound cotton, the other end fixed mounting of spring leaf plays the cushioning effect to fixed sleeve in the inboard of casing, the sound absorbing layer absorbs the noise that the fan produced, plays vibration/noise reduction's effect.

Preferably, the circle centers of the heat conduction support and the impeller and the circle center of the shell are located on the same horizontal line, two protection net covers are symmetrically arranged at the front end and the rear end of the shell, the driving motor drives the impeller to rotate, and the protection net covers prevent sundries from being blown into the shell.

Preferably, the water outlet of the water tank is fixedly connected with the water inlet of the water pump, the other end of the first connecting pipe is fixedly connected with the water inlet of the cooling pipe, cooling liquid is filled in the water tank, and the cooling liquid is pumped out of the water tank by the water pump and conveyed to the first connecting pipe.

Preferably, the cooling pipe is arranged in the cavity in a snake shape, the vent extends to the inside of the cavity, the other end of the second connecting pipe is fixedly connected with the water outlet of the cooling pipe, the water outlet of the heat exchanger is fixedly connected with the water inlet of the water tank, cooling liquid in the first connecting pipe is conveyed into the cooling pipe, external air enters the cavity through the vent, the cooling pipe cools the air in the cavity, and therefore the heat resistance of the outside of the fan is improved, heated cooling water enters the heat exchanger through the second connecting pipe, is cooled through heat exchange with the air, and finally enters the water tank to achieve circulation.

Preferably, a plurality of radiating fins are annularly arranged in the cooling sleeve, two connecting hoses are symmetrically arranged on the outer side of the cooling sleeve in the vertical direction, the connecting hoses extend into the cooling sleeve, the other ends of the connecting hoses are fixedly connected with the cooling pipe, the radiating fins absorb heat generated by the driving motor, and cooling liquid in the cooling pipe is conveyed into the cooling sleeve through the connecting hoses to cool the radiating fins, so that the heat radiation performance of the fan is improved.

Compared with the prior art, the utility model has the beneficial effects that:

1. the high-temperature-resistant axial flow fan is provided with a water tank, cooling liquid is filled in the water tank, the cooling liquid is conveyed into a cooling pipe through a water pump, the cooling pipe is wound in a cavity in the shell, external air enters the cavity through a vent, and the cooling pipe cools the air in the cavity, so that the heat resistance of the outside of the fan is improved, and the high-temperature-resistant axial flow fan can be used in a high-temperature environment for a long time;

2. this high temperature resistant axial fan, driving motor pass through heat conduction support mounting in fixed sleeve, are connected through spring leaf and sound absorption layer between fixed sleeve and the casing, play vibration/noise reduction's effect, the driving motor outside is provided with cooling sleeve, and partial cooling water in the cooling tube flows into cooling sleeve through coupling hose in, cools down driving motor, has improved driving motor's heat resistance and life.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a cross-sectional structural view of a cooling sleeve according to the present invention;

FIG. 4 is a schematic structural diagram of the present invention at A.

In the figure: 1. a base; 2. a housing; 3. a sound absorbing layer; 4. fixing the sleeve; 5. a spring plate; 6. a thermally conductive support; 7. a drive motor; 8. an impeller; 9. a water tank; 10. a water pump; 11. a heat exchanger; 12. a first connecting pipe; 13. a second connecting pipe; 14. a cavity; 15. a cooling tube; 16. a vent; 17. cooling the sleeve; 18. a heat dissipating fin; 19. a connecting hose; 20. a protective net cover.

Detailed Description

The technical solutions 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, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a high-temperature-resistant axial flow fan comprises a base 1, a shell 2, a sound absorption layer 3, a fixing sleeve 4, a spring piece 5, a heat conduction support 6, a driving motor 7, an impeller 8, a water tank 9, a water pump 10, a heat exchanger 11, a first connecting pipe 12, a second connecting pipe 13, a cavity 14, a cooling pipe 15, a ventilation opening 16, a cooling sleeve 17, a radiating fin 18, a connecting hose 19 and a protective mesh enclosure 20, wherein the shell 2 is fixedly installed on the upper end face of the base 1, the sound absorption layer 3 is fixedly installed on the inner side of the shell 2, the fixing sleeve 4 is fixedly installed on the inner side of the sound absorption layer 3, one end of the spring piece 5 is fixedly installed on the outer side of the fixing sleeve 4, the heat conduction support 6 is fixedly installed on the inner side of the fixing sleeve 4, the driving motor 7 is fixedly installed inside the heat conduction support 6, the impeller 8 is fixedly installed on an output shaft of the driving motor 7, the water tank 9 is fixedly installed inside the base 1, Water pump 10, heat exchanger 11, water outlet department fixed mounting of water pump 10 has the one end of connecting pipe 12, water inlet department fixed mounting of heat exchanger 11 has the one end of connecting pipe two 13, cavity 14 has been seted up to casing 2's inside, the inside fixed mounting of cavity 14 has cooling tube 15, vent 16 has been seted up at both ends around casing 2, the outside fixed mounting of heat conduction support 6 has cooling sleeve 17, cooling sleeve 17's inside fixed mounting has radiating fin 18, cooling sleeve 17's outside fixed mounting has the one end of connecting hose 19, the outside fixed mounting of casing 2 has protective screen cover 20.

Further, the centre of a circle of casing 2, sound absorbing layer 3, fixed sleeve 4 is located same water flat line, and sound absorbing layer 3 specifically adopts and inhales the sound cotton, and spring leaf 5's other end fixed mounting is in the inboard of casing 2, and spring leaf 5 plays the cushioning effect to fixed sleeve 4, and sound absorbing layer 3 absorbs the noise that the fan produced, plays vibration/noise reduction's effect.

Furthermore, the centers of circles of the heat conduction support 6 and the impeller 8 and the center of circle of the shell 2 are located on the same horizontal line, the two ends of the protective mesh enclosure 20 are symmetrically arranged at the front end and the rear end of the shell 2, the driving motor 7 drives the impeller 8 to rotate, and the protective mesh enclosure 20 prevents sundries from being blown into the shell 2.

Furthermore, a water outlet of the water tank 9 is fixedly connected with a water inlet of the water pump 10, the other end of the first connecting pipe 12 is fixedly connected with a water inlet of the cooling pipe 15, the water tank 9 is filled with cooling liquid, and the water pump 10 pumps the cooling liquid out of the water tank 9 and conveys the cooling liquid to the first connecting pipe 12.

Further, cooling tube 15 is snakelike arranging in cavity 14's inside, vent 16 extends to cavity 14's inside, the other end of connecting pipe two 13 and cooling tube 15's delivery port fixed connection, heat exchanger 11's delivery port and water tank 9's water inlet fixed connection, during cooling tube 15 is carried to the coolant liquid in connecting pipe one 12, outside air passes through vent 16 and enters into cavity 14, cooling tube 15 cools down the air in the cavity 14, thereby improve the outside heat resistance of fan, the cooling water rethread connecting pipe two 13 of being heated enters into heat exchanger 11, cool down through exchanging with the air heat, it circulates to enter into water tank 9 at last.

Furthermore, a plurality of radiating fins 18 are annularly arranged inside the cooling sleeve 17, two connecting hoses 19 are vertically and symmetrically arranged outside the cooling sleeve 17, the connecting hoses 19 extend into the cooling sleeve 17, the other ends of the connecting hoses 19 are fixedly connected with the cooling pipe 15, the radiating fins 18 absorb heat generated by the driving motor 7, cooling liquid in the cooling pipe 15 is conveyed into the cooling sleeve 17 through the connecting hoses 19, the radiating fins 18 are cooled, and the radiating performance of the fan is improved.

The working principle is as follows: firstly, the driving motor 7 drives the impeller 8 to rotate, the protective mesh enclosure 20 prevents sundries from being blown into the shell 2, the spring leaf 5 has a buffering effect on the fixed sleeve 4, the sound absorption layer 3 absorbs noise generated by the fan and has a shock absorption and noise reduction effect, the water tank 9 is filled with cooling liquid, the water pump 10 pumps the cooling liquid out of the water tank 9 and conveys the cooling liquid into the first connecting pipe 12, the cooling liquid in the first connecting pipe 12 is conveyed into the cooling pipe 15, external air enters the cavity 14 through the vent 16, the cooling pipe 15 cools air in the cavity 14, so that the heat resistance outside the fan is improved, the heated cooling water enters the heat exchanger 11 through the second connecting pipe 13 and is cooled through heat exchange with air, and finally enters the water tank 9 to realize circulation, the heat dissipation fins 18 absorb heat generated by the driving motor 7, and part of the cooling liquid in the cooling pipe 15 is conveyed into the cooling sleeve 17 through the connecting hose 19, the cooling fins 18 are cooled, so that the heat dissipation performance of the fan is improved, and the fan can be used in a high-temperature environment for a long time.

Finally, it should be noted that the above-mentioned contents are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, and that the simple modifications or equivalent substitutions of the technical solutions of the present invention by those of ordinary skill in the art can be made without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. The utility model provides a high temperature resistant axial fan, includes base (1), its characterized in that: the sound absorption device is characterized in that a shell (2) is fixedly mounted on the upper end face of the base (1), a sound absorption layer (3) is fixedly mounted on the inner side of the shell (2), a fixed sleeve (4) is fixedly mounted on the inner side of the sound absorption layer (3), one end of a spring leaf (5) is fixedly mounted on the outer side of the fixed sleeve (4), a heat conduction support (6) is fixedly mounted on the inner side of the fixed sleeve (4), a driving motor (7) is fixedly mounted inside the heat conduction support (6), an impeller (8) is fixedly mounted on an output shaft of the driving motor (7), a water tank (9), a water pump (10) and a heat exchanger (11) are fixedly mounted inside the base (1), one end of a first connecting pipe (12) is fixedly mounted at a water outlet of the water pump (10), one end of a second connecting pipe (13) is fixedly mounted at a water inlet of the heat exchanger (11), cavity (14) have been seted up to the inside of casing (2), the inside fixed mounting of cavity (14) has cooling tube (15), vent (16) have been seted up at both ends around casing (2), the outside fixed mounting of heat conduction support (6) has cooling sleeve (17), the inside fixed mounting of cooling sleeve (17) has radiating fin (18), the outside fixed mounting of cooling sleeve (17) has the one end of coupling hose (19), the outside fixed mounting of casing (2) has protection screen panel (20).

2. The high temperature resistant axial flow fan of claim 1, wherein: the centre of a circle of casing (2), sound absorbing layer (3), fixed sleeve (4) is located same water flat line, sound absorbing layer (3) specifically adopt and inhale the sound cotton, the other end fixed mounting of spring leaf (5) is in the inboard of casing (2).

3. The high temperature resistant axial flow fan of claim 1, wherein: the circle centers of the heat conduction support (6) and the impeller (8) and the circle center of the shell (2) are located on the same horizontal line, and two protection net covers (20) are symmetrically arranged at the front end and the rear end of the shell (2).

4. The high temperature resistant axial flow fan of claim 1, wherein: the water outlet of the water tank (9) is fixedly connected with the water inlet of the water pump (10), and the other end of the first connecting pipe (12) is fixedly connected with the water inlet of the cooling pipe (15).

5. The high temperature resistant axial flow fan of claim 1, wherein: the cooling pipe (15) is arranged in the cavity (14) in a snake shape, the ventilation opening (16) extends to the inside of the cavity (14), the other end of the second connecting pipe (13) is fixedly connected with the water outlet of the cooling pipe (15), and the water outlet of the heat exchanger (11) is fixedly connected with the water inlet of the water tank (9).

6. The high temperature resistant axial flow fan of claim 1, wherein: the cooling sleeve (17) is annularly provided with a plurality of radiating fins (18), the connecting hose (19) is arranged on the outer side of the cooling sleeve (17) in an up-down symmetrical mode, the connecting hose (19) extends to the inside of the cooling sleeve (17), and the other end of the connecting hose (19) is fixedly connected with the cooling pipe (15).