CN218564011U - Heat radiation structure of high-temperature-resistant axial flow fan - Google Patents

Abstract

The utility model discloses a high temperature resistant axial fan heat radiation structure, the water tank comprises a water tank, water tank top both sides all are equipped with the backup pad, backup pad top and dryer fixed connection, be equipped with the support frame in the dryer, support frame middle part fixed mounting has outer box, outer internal box that is equipped with, be equipped with the motor in the internal box, the heat transfer fin that a plurality of equidistance were arranged is pegged graft to interior box both sides lateral wall, be equipped with the baffle in the water tank, baffle one side is equipped with the pump body, pump body output is linked together through inlet tube and interior box, interior box is kept away from inlet tube one side and is equipped with the wet return, the wet return lower extreme runs through the water tank and is linked together with the heat exchange tube, the heat exchange tube outside is equipped with the heat transfer board. The axial flow fan heat radiation structure is simple in structure, convenient to operate and good in heat radiation effect, avoids damage of a motor due to overhigh temperature, and effectively guarantees the service life of the axial flow fan.

Description

A high temperature resistant axial flow fan heat dissipation structure

technical field

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

Background technique

Axial flow fan is the air flow in the same direction as the axis of the fan blade, such as an electric fan, because the gas flows parallel to the fan axis, and is usually used in occasions with high flow requirements and low pressure requirements; it drives the fan blades through a motor The rotation realizes the flow of air, and its front end is also equipped with a dust-proof net, which is a very efficient ventilation equipment. The motor of the axial flow fan in the prior art will generate a lot of heat after a long time of work, causing the temperature of the body to rise. Only relying on the heat conduction fins on the motor shell to dissipate heat, the heat dissipation effect is poor, and the internal components of the motor are long Time to work in a high temperature environment, easily damaged, thus shortening the service life. To this end, we propose a high temperature resistant axial flow fan heat dissipation structure.

Utility model content

The purpose of this utility model is to provide a heat dissipation structure of a high temperature resistant axial flow fan to solve the problems raised in the above-mentioned background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: a high temperature resistant axial flow fan heat dissipation structure, including a water tank, support plates are provided on both sides above the water tank, and the upper part of the support plate is fixedly connected with the air duct, so that A support frame is provided inside the air duct, an outer box is fixedly installed in the middle of the support frame, an inner box is arranged in the outer box, a motor is arranged in the inner box, and both sides of the inner box The side wall is plugged with a plurality of equidistantly arranged heat exchange fins. The water tank is provided with a partition, and a pump body is provided on one side of the partition. The side of the inner box away from the water inlet pipe is provided with a return pipe, and the lower end of the return pipe runs through the water tank and communicates with the heat exchange tube. A heat exchange plate is arranged outside the heat exchange tube, and the water tank is far away from the pump body. An air inlet window is arranged at the lower end of one side, an air outlet window is arranged on the side wall of the water tank close to the heat exchange tube, and a fan is arranged inside the water tank inside the air outlet window.

Preferably, the inner box is arranged coaxially with the outer box, and a plurality of equidistantly arranged heat dissipation grooves are provided on the side of the inner box away from the rotation axis of the motor.

Preferably, the rotating shaft of the motor is fixedly connected to the connection block, and the connection block is provided with a plurality of fan blades arranged equidistantly.

Preferably, filter screens are provided in both the air inlet window and the air outlet window.

Preferably, mounting rings are provided at both ends of the air cylinder.

Preferably, a water inlet is provided on the side wall of the water tank close to the pump body, a water outlet is provided below the water inlet, and valves are provided on the water inlet and the water outlet.

Compared with the prior art, the beneficial effect of the utility model is: the heat dissipation structure of the high temperature resistant axial flow fan, the water enters between the outer box body and the inner box body through the water inlet pipe, and the cooling water and the heat exchange fins The absorbed heat is exchanged, so that the heat generated by the motor is taken out through the cooling water, and the fan drives the airflow inside the water tank to make the airflow take out the heat absorbed by the heat exchange plate. The heat dissipation structure of the axial flow fan is simple in structure, easy to operate, good in heat dissipation effect, avoids damage to the motor due to excessive temperature, and effectively guarantees the service life of the axial flow fan.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the front view of the utility model;

Fig. 3 is a sectional view of the utility model;

In the figure: 1 water tank, 2 support plate, 3 air duct, 4 support frame, 5 outer box, 6 inner box, 7 motor, 8 heat exchange fin, 9 heat sink, 10 connection block, 11 fan blade, 12 Pump body, 13 water inlet pipe, 14 return water pipe, 15 heat exchange pipe, 16 heat exchange plate, 17 clapboard, 18 air inlet window, 19 air outlet window, 20 fan, 21 filter screen, 22 installation ring, 23 water inlet, 24 outlets, 25 valves.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figures 1-3, the utility model provides a technical solution: a high temperature resistant axial flow fan heat dissipation structure, including a water tank 1, both sides above the water tank 1 are provided with support plates 2, and above the support plate 2 It is fixedly connected with the air cylinder 3, and the air cylinder 3 is provided with a support frame 4, and the middle part of the support frame 4 is fixedly installed with an outer box body 5, and an inner box body 6 is arranged inside the outer box body 5, and the inner box body 6 is arranged inside the inner box body. A motor 7 is provided inside the box body 6, and a plurality of equidistantly arranged heat exchange fins 8 are plugged into the side walls on both sides of the inner box body 6. Contact, so that the heat generated by the motor 7 is absorbed through the heat exchange fins 8. The water tank 1 is provided with a partition 17, and a pump body 12 is provided on one side of the partition 17, and the pump body 12 outputs The end is connected with the inner box body 6 through the water inlet pipe 13, and the side of the inner box body 6 away from the water inlet pipe 13 is provided with a water return pipe 14, and the lower end of the water return pipe 14 runs through the water tank 1 and communicates with the heat exchange pipe 15. A heat exchange plate 16 is provided on the outside of the heat exchange tube 15. When the pump body 12 is working, the pump body 12 pumps the water inside the water tank 1, so that the water enters between the outer box body 5 and the inner box body 6 through the water inlet pipe 13. During this time, the water used for cooling exchanges heat with the heat absorbed by the heat exchange fins 8, thereby taking out the heat generated when the motor 7 is working, and the water after heat exchange flows into the heat exchange tube 15 through the return pipe 14, and the heat exchange The tube 15 exchanges heat with the heat exchange plate 16, so that the heat carried by the cooling water is transferred to the heat exchange plate 16. The lower end of the water tank 1 away from the pump body 12 is provided with an air inlet window 18, and the water tank 1 is close to the heat exchange plate 12. One side wall of heat pipe 15 is provided with air outlet window 19, and described water tank 1 is positioned at the inside of air outlet window 19 and is provided with blower fan 20, and when blower fan 20 is working, fan 20 drives the air flow inside water tank 1, makes air flow will change The heat absorbed by the hot plate 16 is taken out, and the air inlet window 18 and the air outlet window 19 form a communication channel inside the water tank 1, so that the airflow inside the box body 1 can flow quickly.

The inner box 6 is coaxially arranged with the outer box 5, and the inner box 6 is provided with a plurality of equidistantly arranged cooling grooves 9 on the side away from the rotating shaft of the motor 7, and the cooling grooves 9 make the inside of the inner box 6 The air flow can flow, thereby increasing the cooling speed of the motor 7.

The rotating shaft of the motor 7 is fixedly connected with the connecting block 10, and the connecting block 10 is provided with a plurality of fan blades 11 arranged equidistantly. The blade 11 also rotates thereupon, so that the axial flow fan can conduct the work of airflow conduction.

The air inlet window 18 and the air outlet window 19 are all provided with a filter screen 21, the setting of the filter screen 21 can filter the air flow entering the inside of the water tank 1, and prevent dust from entering the inside of the tank body 1, causing the heat exchange plate 16 The phenomenon of poor heat exchange effect occurs.

Both ends of the air duct 3 are provided with mounting rings 22 .

The water tank 1 is provided with a water inlet 23 near the side wall of the pump body 12, and a water outlet 24 is provided below the water inlet 23, and a valve 25 is arranged on the water inlet 23 and the water outlet 24, and the water inlet 23 Cooling water can be added to the inside of the water tank 1, and the water inside the water tank 1 can be discharged through the water outlet 24. The valve 25 can control the on-off of the water inlet 23 and the water outlet 24.

Specifically, in the utility model, when the pump body 12 is working, the pump body 12 extracts the water inside the water tank 1, so that the water enters between the outer box body 5 and the inner box body 6 through the water inlet pipe 13, and cools The water used exchanges heat with the heat absorbed by the heat exchange fins 8, so that the heat generated by the motor 7 is taken out through the cooling water, and the water after heat exchange flows into the heat exchange tube 15 through the return pipe 14, and the heat exchange The tube 15 exchanges heat with the heat exchange plate 16, so that the heat carried by the cooling water is transferred to the heat exchange plate 16. When the fan 20 is working, the fan 20 drives the air flow inside the water tank 1, so that the air flow will transfer the heat exchange plate 16 to the heat exchange plate 16. Absorbed heat is carried out.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (6)

1. A high temperature resistant axial flow fan heat dissipation structure, comprising a water tank (1), characterized in that: both sides above the water tank (1) are provided with support plates (2), and the top of the support plate (2) is in contact with the wind The cylinder (3) is fixedly connected, and a support frame (4) is provided inside the air cylinder (3), and an outer box (5) is fixedly installed in the middle of the support frame (4). An inner box (6) is provided, and a motor (7) is arranged inside the inner box (6), and a plurality of equidistantly arranged heat exchange fins are plugged into the side walls on both sides of the inner box (6) sheet (8), the water tank (1) is provided with a clapboard (17), one side of the clapboard (17) is provided with a pump body (12), and the output end of the pump body (12) passes through the water inlet pipe ( 13) communicate with the inner box (6), the inner box (6) is provided with a return pipe (14) on the side away from the water inlet pipe (13), and the lower end of the return pipe (14) runs through the water tank (1) and The heat exchange tubes (15) are connected, and a heat exchange plate (16) is provided on the outside of the heat exchange tube (15), and an air inlet window (18) is provided at the lower end of the water tank (1) away from the pump body (12). , the side wall of the water tank (1) close to the heat exchange tube (15) is provided with an air outlet window (19), and the water tank (1) is provided with a fan (20) inside the air outlet window (19). 2. A high temperature resistant axial flow fan heat dissipation structure according to claim 1, characterized in that: the inner box (6) is coaxially arranged with the outer box (5), and the inner box (6) A plurality of equidistantly arranged cooling grooves (9) are provided on the side away from the rotating shaft of the motor (7). 3. A high temperature resistant axial flow fan heat dissipation structure according to claim 1, characterized in that: the rotating shaft of the motor (7) is fixedly connected to the connection block (10), and the connection block (10) is provided with A plurality of fan blades (11) arranged equidistantly. 4. The heat dissipation structure of a high temperature resistant axial flow fan according to claim 1, characterized in that: the air inlet window (18) and the air outlet window (19) are both provided with filter screens (21). 5. The heat dissipation structure of a high temperature resistant axial flow fan according to claim 1, characterized in that: both ends of the air cylinder (3) are provided with mounting rings (22). 6. A heat dissipation structure for a high temperature resistant axial flow fan according to claim 1, characterized in that: the water tank (1) is provided with a water inlet (23) on the side wall close to the pump body (12), and the inlet A water outlet (24) is provided below the water outlet (23), and a valve (25) is provided on the water inlet (23) and the water outlet (24).

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