CN219101650U

CN219101650U - High temperature resistant axial fan

Info

Publication number: CN219101650U
Application number: CN202223549842.1U
Authority: CN
Inventors: 吕为; 张文俊
Original assignee: Hengchi Environmental Protection Equipment Nanjing Co ltd
Current assignee: Hengchi Environmental Protection Equipment Nanjing Co ltd
Priority date: 2022-12-28
Filing date: 2022-12-28
Publication date: 2023-05-30
Anticipated expiration: 2032-12-28

Abstract

The utility model discloses a high-temperature-resistant axial flow fan, relates to the technical field of axial flow fans, and aims to solve the problems that an existing axial flow fan in the prior art is poor in heat dissipation effect, and after high-temperature gas is conveyed for a long time, a motor in the existing axial flow fan can generate a large amount of heat to raise the temperature, so that the working aging speed of internal elements of the motor is increased under a high-temperature environment, and the service life of the axial flow fan is influenced. The inside of fan shell is provided with the circulation bore, the inside centre in circulation bore is provided with the motor case, the inside fixed mounting of motor case has the motor, the inside of motor case is along the top and the below of motor respectively symmetrical fixed mounting have the refrigeration board, the refrigeration board sets up to the semiconductor refrigeration board, and the refrigeration face of refrigeration board is towards the motor, fixed mounting has the heat conduction board between refrigeration board and the motor, the heat conduction board adopts die-casting aluminum alloy to make, the top and the below of motor case are provided with the thermovent respectively symmetrical.

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

The axial flow fan is widely used, namely, the air flow in the same direction as the axis of the fan blade, such as an electric fan, an external air conditioner fan operates the fan in an axial flow mode, so the axial flow fan is called as an axial flow type because the air flows parallel to the axial flow of the fan, the axial flow fan is usually used in the occasion with higher flow requirement and lower pressure requirement, the axial flow fan is fixed in position and enables the air to move, and the axial flow fan mainly comprises a fan impeller and a shell, so the structure is simple;

for example, patent publication number CN210135112U (an axial flow fan): the axial flow fan comprises a hub, a plurality of blades and a guide cover, wherein the blades are connected to the hub and are arranged around the hub, the guide cover is connected to one windward end of the hub, the outer surface of the guide cover is a paraboloid, and the outer surface of the guide cover is smoothly connected with the surface of the hub;

the prior art is convenient for the axial flow fan to improve the efficiency of the fan, but the motor of the axial flow fan does not have the capability of rapid cooling, after the axial flow fan conveys high-temperature gas for a long time, the motor in the axial flow fan can generate a large amount of heat to raise the temperature, and the heat dissipation effect is poor only by virtue of the fan in the motor shell, so that the working aging speed of the internal elements of the motor is increased under the high-temperature environment, and the service life of the axial flow fan is influenced; therefore, the development of a high-temperature-resistant axial flow fan is urgently needed in the market to help people solve the existing problems.

Disclosure of Invention

The utility model aims to provide a high-temperature-resistant axial flow fan, which aims to solve the problems that the existing axial flow fan provided in the background art is poor in heat dissipation effect, and after high-temperature gas is conveyed for a long time, a motor in the fan generates a large amount of heat to raise the temperature, so that the working aging speed of internal elements of the motor is increased in a high-temperature environment, and the service life of the axial flow fan is influenced.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a high temperature resistant axial fan, includes the fan shell, the inside of fan shell is provided with the circulation bore, the inside centre in circulation bore is provided with the motor case, the inside fixed mounting of motor case has the motor, the inside of motor case is along the top and the below of motor respectively symmetrical fixed mounting have the refrigeration board, the refrigeration board sets up to the semiconductor refrigeration board, and the refrigeration face of refrigeration board is towards the motor, fixed mounting has the heat conduction board between refrigeration board and the motor, the heat conduction board adopts the die casting aluminum alloy to make.

Preferably, the top and the below of motor case symmetry respectively are provided with the thermovent, and thermovent and refrigeration board position correspond, the inside of thermovent is provided with the heating panel, and the heating panel passes through bolt fixed connection with the motor case, heating panel and refrigeration board laminating, the inside of heating panel is provided with the louvre, and the louvre is provided with a plurality of.

Preferably, the top fixed mounting of heating panel has the fin, and the fin extends to the outside of motor case, the inside of fin is provided with the ventilation hole, and the ventilation hole is provided with a plurality of, heating panel and fin all adopt die-casting aluminum alloy to make.

Preferably, the upper part and the lower part of the motor case are respectively and symmetrically and fixedly provided with a fixed rod, the fixed rod is fixedly connected with the fan shell through bolts, one side of the motor case is fixedly provided with a sealing plate, and the inside of the sealing plate is provided with a vent hole.

Preferably, a driving shaft is rotatably arranged on the other side of the motor case, and a fan blade is fixedly arranged on the outer side of one end of the driving shaft.

Preferably, the two sides of the inside of the circulation cavity are symmetrically provided with protective nets respectively, the upper part and the lower part of one side of each protective net are symmetrically and fixedly provided with mounting plates respectively, and the mounting plates are fixedly connected with the fan shell through bolts.

Preferably, a positioning block is arranged on one side of the mounting plate, and the positioning block is fixedly connected with the fan shell through bolts.

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

1. according to the utility model, through the arrangement of the motor box, the motor is arranged in the motor box, so that the fan blades can be conveniently driven to rotate, the refrigerating plates are arranged above and below the motor, the refrigerating plates are arranged as semiconductor refrigerating plates, and the refrigerating surfaces face the motor, so that the refrigerating plates are electrified to cool the surfaces of the refrigerating plates facing the motor, the cold temperature can be transferred to the interior of the motor through temperature transfer, the temperature of the motor is reduced, the temperature in the motor is prevented from being too high, the gas motor with high conveying temperature can also stably operate, the protection of the internal elements of the motor is facilitated, the ageing speed of the motor is reduced, the temperature resistance of the axial flow fan is improved, and the service life of the axial flow fan is prolonged.

2. According to the utility model, through the arrangement of the heat radiating plate and the heat radiating fins, the heat radiating plate and the heat radiating fins are made of die-casting aluminum alloy, so that the heat radiating plate has good heat conducting capacity, and the temperature generated by the heating surface of the refrigeration plate is conveniently led out through the effect of the heat radiating plate when the refrigeration plate is electrified, so that the heat radiating plate is convenient to radiate the heating surface of the refrigeration plate, and the stable work of the refrigeration plate is facilitated.

3. According to the utility model, through the arrangement of the protective screens, two protective screens are arranged and respectively arranged at the two ends of the interior of the fan shell, the fan shell can be protected, sundries are prevented from entering the interior of the fan shell, and the working stability of the axial flow fan is improved.

Drawings

FIG. 1 is a schematic view of a high temperature resistant axial flow fan of the present utility model;

FIG. 2 is a cross-sectional view of a blower housing of the present utility model;

FIG. 3 is a cross-sectional view of the motor case of the present utility model;

fig. 4 is an enlarged schematic view of the a site of the present utility model.

In the figure: 1. a blower housing; 2. a flow bore; 3. a protective net; 4. a fan blade; 5. a drive shaft; 6. a motor case; 7. a fixed rod; 8. a motor; 9. a temperature guide plate; 10. a refrigeration plate; 11. a heat dissipation plate; 12. a heat sink; 13. a heat radiation port; 14. a sealing plate; 15. a mounting plate; 16. and (5) positioning blocks.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-4, an embodiment of the present utility model is provided: the utility model provides a high temperature resistant axial fan, including fan housing 1, the inside of fan housing 1 is provided with circulation bore cavity 2, the inside centre of circulation bore cavity 2 is provided with motor case 6, motor case 6's inside fixed mounting has motor 8, motor case 6's inside is along motor 8 top and below respectively symmetrical fixed mounting have refrigeration board 10, refrigeration board 10 sets up to the semiconductor refrigeration board, and refrigeration board 10's refrigeration face is towards motor 8, the cold temperature that the refrigeration board 10 of being convenient for is electrified produces gets into in the motor 8, fixed mounting has heat conduction board 9 between refrigeration board 10 and the motor 8, heat conduction board 9 adopts die-casting aluminum alloy to make, die-casting aluminum alloy has fine heat conduction ability for heat conduction board 9 can be fine carry out the temperature transfer.

During the use, through being circular telegram to refrigeration board 10 for refrigeration board 10 is towards the one side refrigeration of motor 8, through temperature transmission, can be with cold temperature to the inside transmission of motor 8, reduce the temperature of motor 8, prevent that motor 8 inside temperature is too high, make at the high gas motor 8 of delivery temperature also can steady operation, it is relatively poor to have solved current axial fan radiating effect, after the high gas of long-time delivery temperature, its inside motor can produce a large amount of heat temperature and rise, lead to motor inner element work ageing speed to accelerate under high temperature environment, influence axial fan's life's problem, be favorable to protecting motor 8 inner element, reduce its ageing speed, axial fan's temperature resistance has been improved, axial fan's life has been increased.

Further, the top and the below of motor case 6 are provided with thermovent 13 respectively symmetrically, and thermovent 13 and refrigeration board 10 position correspond, make things convenient for the heating face of refrigeration board 10 to dispel the heat, thermovent 13's inside is provided with heating panel 11, and heating panel 11 passes through bolt fixed connection with motor case 6, heating panel 11 and refrigeration board 10 laminating, heating panel 11's inside is provided with the louvre, and the louvre is provided with a plurality of, heating panel 11's setting, be convenient for carry out the heat conduction heat dissipation to refrigerating board 10's heating face, the top fixed mounting of heating panel 11 has fin 12, and fin 12 extends to motor case 6's outside, the inside of fin 12 is provided with the ventilation hole, and the ventilation hole is provided with a plurality of, can increase the ability that the air passed fin 12, improve the heat dissipation ability, heating panel 11 and fin 12 all adopt die-casting aluminum alloy to make, die-casting aluminum alloy has fine heat conduction ability, make heating panel 11 and fin 12 can be fine temperature transmission go on.

Further, the top and the below of motor case 6 symmetry fixed mounting respectively have dead lever 7, and dead lever 7 passes through bolt fixed connection with fan housing 1, dead lever 7's setting has improved the stability of motor case 6, one side fixed mounting of motor case 6 has shrouding 14, the inside of shrouding 14 is provided with the air vent, the circulation of the interior air of motor case 6 of being convenient for, be favorable to the inside heat dissipation of the flabellum of taking of motor 8, drive shaft 5 is installed in the opposite side rotation of motor case 6, the outside fixed mounting of drive shaft 5 one end has fan blade 4, the output and the drive shaft 5 fixed connection of motor 8, make motor 8 can drive the drive shaft 5 and rotate, the stability of axial fan work has been improved.

Further, the inside both sides of circulation bore 2 are provided with protection network 3 respectively symmetrically, can protect fan housing 1, prevent debris entering fan housing's inside, improved axial fan's stability of work, the top and the below of protection network 3 one side are symmetrical fixed mounting respectively has mounting panel 15, and mounting panel 15 and fan housing 1 pass through bolt fixed connection, one side of mounting panel 15 is provided with locating piece 16, and locating piece 16 and fan housing 1 pass through bolt fixed connection, the setting of locating piece 16 can carry out the position restriction to mounting panel 15, thereby when protection network 3 installs, the location installation of mounting panel 15 of being convenient for has improved the practicality.

Working principle: when the air conditioner is used, the motor 8 is started to enable the driving shaft 5 to rotate, the driving shaft 5 drives the fan blades 4 to rotate, high-temperature air can be conveyed, meanwhile, the refrigerating plate 10 above and below the motor 8 is electrified, so that the refrigerating plate 10 can refrigerate towards one side of the motor 8, temperature transmission is carried out through the temperature-conducting plate 9, cold temperature can be transmitted to the inside of the motor 8, the temperature of the motor 8 is reduced, the inside temperature of the motor 8 is prevented from being too high, the air motor 8 with high conveying temperature can stably operate, the protection of the internal elements of the motor 8 is facilitated, the ageing speed of the air conditioner is reduced, the temperature resistance of an axial flow fan is improved, meanwhile, the temperature generated by the heating surface of the refrigerating plate 10 is conveniently led out when the refrigerating plate 10 is electrified, the heating surface of the refrigerating plate 10 is conveniently cooled, and the stable operation of the refrigerating plate 10 is facilitated.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a high temperature resistant axial fan, includes fan housing (1), its characterized in that: the inside of fan shell (1) is provided with circulation bore (2), the centre in circulation bore (2) inside is provided with motor case (6), the inside fixed mounting of motor case (6) has motor (8), the inside of motor case (6) is along the top and the below of motor (8) respectively symmetrical fixed mounting have refrigeration board (10), refrigeration board (10) set up to semiconductor refrigeration board, and the refrigeration face of refrigeration board (10) is towards motor (8), fixed mounting has heat conduction board (9) between refrigeration board (10) and motor (8), heat conduction board (9) adopt die casting aluminum alloy to make.

2. The high temperature resistant axial flow fan as set forth in claim 1, wherein: the motor box (6) is provided with cooling hole (13) in the top and below symmetry respectively, and cooling hole (13) and refrigeration board (10) position correspond, the inside of cooling hole (13) is provided with heating panel (11), and heating panel (11) and motor box (6) pass through bolt fixed connection, heating panel (11) and refrigeration board (10) laminating, the inside of heating panel (11) is provided with the louvre, and the louvre is provided with a plurality of.

3. The high temperature resistant axial flow fan as set forth in claim 2, wherein: the top fixed mounting of heating panel (11) has fin (12), and fin (12) extend to the outside of motor case (6), the inside of fin (12) is provided with the ventilation hole, and the ventilation hole is provided with a plurality of, heating panel (11) and fin (12) all adopt die-casting aluminum alloy to make.

4. The high temperature resistant axial flow fan as set forth in claim 1, wherein: the motor box is characterized in that a fixing rod (7) is symmetrically and fixedly arranged above and below the motor box (6), the fixing rod (7) is fixedly connected with the fan shell (1) through bolts, a sealing plate (14) is fixedly arranged on one side of the motor box (6), and vent holes are formed in the sealing plate (14).

5. The high temperature resistant axial flow fan as set forth in claim 4, wherein: the other side of the motor box (6) is rotatably provided with a driving shaft (5), and the outer side of one end of the driving shaft (5) is fixedly provided with a fan blade (4).

6. The high temperature resistant axial flow fan as set forth in claim 1, wherein: the air conditioner is characterized in that two sides of the inside of the circulation cavity (2) are symmetrically provided with protective screens (3) respectively, mounting plates (15) are symmetrically and fixedly mounted above and below one side of each protective screen (3), and the mounting plates (15) are fixedly connected with the fan housing (1) through bolts.

7. The high temperature resistant axial flow fan as set forth in claim 6, wherein: one side of the mounting plate (15) is provided with a positioning block (16), and the positioning block (16) is fixedly connected with the fan shell (1) through bolts.