CN220319870U

CN220319870U - A heat dissipation structure for an axial flow fan

Info

Publication number: CN220319870U
Application number: CN202322045639.9U
Authority: CN
Inventors: 范宝华; 刘峰; 刘超
Original assignee: Jiangsu Fenghua Air Conditioning Equipment Co ltd
Current assignee: Jiangsu Fenghua Air Conditioning Equipment Co ltd
Priority date: 2023-08-01
Filing date: 2023-08-01
Publication date: 2024-01-09
Anticipated expiration: 2033-08-01

Abstract

The utility model relates to the technical field of axial flow fans, specifically a heat dissipation structure of an axial flow fan, which includes a casing. The top of the casing is provided with a dust-proof frame. The interior of the casing is provided with an installation cylinder. The interior of the installation cylinder is provided with a cooling cylinder. It is connected to the circulating water tank. There is a driving motor inside the cooling cylinder. The output end of the driving motor is equipped with a connecting shaft. The outside of the connecting shaft is equipped with a heat transfer plate. The two ends of the bottom are provided with connecting pipes. The inside of the heat transfer plate is provided with a fixed ring. , there are water tanks on both sides, and the water tank is connected to the atomizer. One end of the connecting shaft is provided with a fan blade, and one end is provided with a fixed frame. The outside of the fixed frame is provided with a protective cover. The cooling tube, circulating water tank, and drive are used The structure of the motor, connecting shaft, heat transfer plate, connecting tube, fixed ring, atomizer, and water tank solves the problem of relying solely on the heat conduction fins on the motor shell for heat dissipation. The heat dissipation effect is poor, and the internal components of the motor are exposed to high temperatures for a long time. It is easy to be damaged when working under low conditions, thus shortening the service life.

Description

Heat radiation structure of axial flow fan

Technical Field

The utility model relates to the technical field of axial flow fans, in particular to a heat dissipation structure of an axial flow fan.

Background

The axial flow fan, namely the air flow in the same direction as the axis of the fan blade, such as an electric fan, is generally applied to occasions with higher flow requirements and lower pressure requirements because the air flows parallel to the heat dissipation structure of the fan; the fan blade is driven by a motor to rotate to realize the air flow, and the front end of the fan blade is also provided with a dustproof net, so that the fan blade is very efficient ventilation equipment.

The motor of the axial flow fan in the prior art can generate a large amount of heat after long-time working, so that the temperature of the body is increased, the heat is dissipated by solely relying on the heat conduction fins on the motor shell, the heat dissipation effect is poor, and the internal elements of the motor work in a high-temperature environment for a long time and are easy to damage, so that the service life is shortened.

Therefore, it is important to design a heat dissipation structure of an axial flow fan to improve the overall practicality by changing the technical defects.

Disclosure of Invention

The present utility model is directed to a heat dissipation structure of an axial flow fan, so as to solve the problems set forth in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a heat radiation structure of axial fan, includes the shell, the top of shell is equipped with the dust frame, the inside of shell is equipped with the installation section of thick bamboo, the inside of installation section of thick bamboo is equipped with the cooling cylinder, circulation water tank is connected to the cooling cylinder, the inside of cooling cylinder is equipped with driving motor, driving motor's output is equipped with the connecting axle, the outside of connecting axle is equipped with the heat conduction dish, heat conduction dish bottom both ends are equipped with communicating pipe, the inside of heat conduction dish is equipped with solid fixed ring, gu fixed ring's both sides are equipped with the water tank, the atomizer is connected to the water tank, the one end of connecting axle is equipped with the flabellum, the one end of flabellum is equipped with the mount, the outside of mount is equipped with the safety cover.

As a preferable scheme of the utility model, support columns for supporting are arranged at four corners of the bottom end of the shell, a slot for avoiding the mounting cylinder is arranged at the near center of the bottom end of the shell, and a power line for switching on a power supply is arranged at one side of the shell.

As a preferable scheme of the utility model, the mounting cylinder is vertically arranged in the shell, the mounting cylinder is connected with the shell through bolts, and a sealing ring is arranged between the connecting shaft and the heat conducting disc.

As a preferable scheme of the utility model, a water filling port is arranged outside the circulating water tank, a water pipe is arranged outside the circulating water tank, the cross section of the cooling cylinder is I-shaped, and the water pipe is spirally wound along the cooling cylinder.

As a preferable scheme of the utility model, the driving motor is connected with the connecting shaft by a key, the heat conducting disc is smeared with silicone grease for heat conduction, and the fixing ring, the heat conducting disc and the mounting cylinder are fixedly connected.

As a preferable scheme of the utility model, a water filling port is arranged outside the water tank, a plurality of spraying holes for spraying are arranged outside the atomizer, and the spraying holes are arranged at equal intervals.

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

1. according to the utility model, through the heat radiation structure of the axial flow fan, the cooling cylinder, the circulating water tank, the driving motor, the connecting shaft, the heat conducting disc, the communicating pipe, the fixed ring, the atomizer and the water tank are utilized, the connecting shaft is driven to rotate through the driving motor, the atomizer and the circulating water tank are started at the same time, the atomizer cools fan blades and output air flow, meanwhile, water mist flows back to the heat conducting disc and is discharged through the communicating pipe, the connecting shaft is cooled, and meanwhile, the driving motor is cooled in a water circulation mode, so that the problems that heat is radiated by the heat conducting fins on the motor shell only, the heat radiation effect is poor, and internal elements of the motor work in a high-temperature environment for a long time and are easy to damage, and the service life is shortened are solved.

Drawings

FIG. 1 is a diagram of the overall structure of the present utility model;

FIG. 2 is a connection block diagram of the mounting cylinder and mount assembly of the present utility model;

FIG. 3 is a schematic view of the structure of the inside of the mounting cylinder of the present utility model.

In the figure: 1. a housing; 101. a dust-proof frame; 102. a mounting cylinder; 103. a cooling cylinder; 104. a circulation water tank; 105. a driving motor; 106. a connecting shaft; 107. a heat conduction plate; 108. a communicating pipe; 2. a fixing ring; 201. a water tank; 202. an atomizer; 203. a fan blade; 204. a fixing frame; 205. and a protective cover.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present utility model are within the scope of protection of the present utility model.

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Several embodiments of the utility model are presented. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-3, the present utility model provides a technical solution:

the utility model provides a heat radiation structure of axial fan, including shell 1, the top of shell 1 is equipped with dustproof frame 101, the inside of shell 1 is equipped with mounting cylinder 102, the inside of mounting cylinder 102 is equipped with cooling cylinder 103, cooling cylinder 103 connects circulating water tank 104, the inside of cooling cylinder 103 is equipped with driving motor 105, the output of driving motor 105 is equipped with connecting axle 106, the outside of connecting axle 106 is equipped with heat conduction dish 107, heat conduction dish 107 bottom both ends are equipped with communicating pipe 108, the inside of heat conduction dish 107 is equipped with solid fixed ring 2, gu both sides of solid fixed ring 2 are equipped with water tank 201, water tank 201 connects atomizer 202, one end of connecting axle 106 is equipped with flabellum 203, the one end of flabellum 203 is equipped with mount 204, the outside of mount 204 is equipped with safety cover 205, make it drive flabellum 203 rotate through starting driving motor 105, the windage that produces is carried outward from dustproof frame 101, after a period of operation, connecting axle 106 and driving motor 105 begin to generate heat, circulating water tank 104 makes rivers winding cooling cylinder 103 flow this moment, the inside temperature of driving motor 105 drops at this moment, afterwards, the temperature of connecting axle 106 is discharged through communicating pipe 108, atomizer 202 is opened simultaneously, atomizer 202 is carried to the part 203 through heat conduction through 203, and finally the heat conduction is cooled down to the heat conduction dish 107 is cooled down through the heat conduction dish, the counter-current, the temperature is discharged through the heat conduction dish 107;

wherein bottom four corners of shell 1 is equipped with the support column that is used for supporting, the nearly central department in bottom of shell 1 is equipped with the fluting that is used for dodging mounting cylinder 102, one side of shell 1 is equipped with the power cord that is used for switching on the power, be convenient for connect the power and start up work, mounting cylinder 102 is vertical to be placed in the inside of shell 1, and pass through bolted connection between mounting cylinder 102 and the shell 1, be equipped with the sealing washer between connecting axle 106 and the heat conduction dish 107, convenient to detach clearance, circulation tank 104's outside is equipped with the water filling port, circulation tank 104's outside is equipped with the water pipe, cooling cylinder 103's transversal is the I shape, the water pipe is heliciform along cooling cylinder 103 winding setting, be convenient for carry out the water cooling to cooling cylinder 103, be key-type connection between driving motor 105 and the connecting axle 106, be used for fixed connection on the heat conduction dish 107, be convenient for drive flabellum 203 motion between fixed ring 2, the outside of water tank 201 is equipped with the water filling port, atomizer 202's outside is equipped with a plurality of spraying holes that are used for spraying, and equidistant the range of spraying holes are convenient for cool down flabellum 203, guarantee simultaneously to blow off cold wind.

The working flow of the utility model is as follows: when the heat radiation structure of the axial flow fan is used, the driving motor 105 is started to drive the fan blades 203 to rotate, generated wind flow is conveyed to the outside from the dustproof frame 101, after a period of working, the connecting shaft 106 and the driving motor 105 start to generate heat, the circulating water tank 104 enables water flow to flow around the cooling cylinder 103, at the moment, the internal temperature of the driving motor 105 is reduced, then the temperature of the connecting shaft 106 is discharged through the communicating pipe 108 through the heat conducting disc 107, meanwhile, the atomizer 202 is started, at the moment, water mist is conveyed to the fan blades 203 through the spraying holes, the water mist is returned to the heat conducting disc 107 when the whole output is cooled, the heat conducting disc 107 is cooled, and finally the water mist is discharged through the communicating pipe 108.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A heat dissipation structure for an axial flow fan, including a casing (1), characterized in that: a dust-proof frame (101) is provided at the top of the casing (1), and a mounting barrel is provided inside the casing (1). (102). A cooling cylinder (103) is provided inside the installation cylinder (102). The cooling cylinder (103) is connected to the circulating water tank (104). A driving motor (105) is provided inside the cooling cylinder (103). ), the output end of the driving motor (105) is provided with a connecting shaft (106), the outside of the connecting shaft (106) is provided with a heat conduction plate (107), and the two ends of the bottom of the heat conduction plate (107) are provided with connecting tube (108), a fixed ring (2) is provided inside the heat transfer plate (107), and water tanks (201) are provided on both sides of the fixed ring (2), and the water tank (201) is connected to the atomizer The device (202) has a fan blade (203) at one end of the connecting shaft (106), a fixed frame (204) at one end of the fan blade (203), and a fixed frame (204) on the outside. Protective cover (205).

2. The heat dissipation structure of an axial flow fan according to claim 1, characterized in that: the four corners of the bottom end of the housing (1) are provided with support columns for support, and the bottom end of the housing (1) is close to There is a slot in the center for avoiding the installation barrel (102), and a power cord for connecting the power supply is provided on one side of the housing (1).

3. The heat dissipation structure of an axial flow fan according to claim 1, characterized in that: the installation tube (102) is placed vertically inside the casing (1), and the installation tube (102) is in contact with the casing (1). (1) are connected by bolts, and a sealing ring is provided between the connecting shaft (106) and the heat transfer plate (107).

4. The heat dissipation structure of an axial flow fan according to claim 1, characterized in that: a water injection port is provided on the outside of the circulating water tank (104), and a water pipe is provided on the outside of the circulating water tank (104). The cooling tube (103) has an I-shaped cross section, and the water pipe is spirally wound along the cooling tube (103).

5. The heat dissipation structure of an axial flow fan according to claim 1, characterized in that: the drive motor (105) and the connecting shaft (106) are connected by a key, and the heat conduction plate (107) is coated with There is silicone grease used for heat conduction, and the fixed ring (2), the heat conduction plate (107) and the installation barrel (102) are fixedly connected.

6. The heat dissipation structure of an axial flow fan according to claim 1, characterized in that: the outside of the water tank (201) is provided with a water injection port, and the outside of the atomizer (202) is provided with several The spray holes are arranged at equal intervals.