Industrial fan rotor heat dissipation structure

Abstract

The utility model relates to a heat dissipation structure of an industrial fan rotor, which belongs to the field of fan rotors, and comprises two fixed discs, a heat dissipation mechanism is arranged between the two fixed discs, and the heat dissipation mechanism comprises a mounting sleeve fixedly mounted between the two fixed discs; the fan body is fixedly mounted in the mounting sleeve; and the rotor flange is fixedly mounted at the top of the fan body. According to the industrial fan rotor heat dissipation structure, when the fan body runs, the output shaft rotates rapidly, heat of the fan body is transmitted to the mounting sleeve and the heat dissipation fins for heat dissipation, heat of the output shaft is transmitted to the heat dissipation silicone grease and the heat conducting fins, and the rotor flange drives the radial heat dissipation fan blades to rotate to generate a convection effect; heat generated by the rotor flange is effectively taken away, the self-rotor heat dissipation function is achieved, the heat dissipation fan blades are designed, the heat dissipation area is increased, the heat exchange efficiency is improved, meanwhile, the turbulence degree of air flow can be increased, and the heat dissipation effect is further enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of fan rotor heat dissipation, in particular to a heat dissipation structure for an industrial fan rotor. Background Technique

[0002] Industrial fans mainly consist of components such as impellers, casings, inlet collectors, guide vanes, and electric motors, and are widely used in places such as tunnels, underground garages, high-class civil buildings, metallurgy, factories and mines, etc. The fan rotor is a rotating body supported by bearings and is the main rotating component in the fan. It usually consists of an iron core wound with coils, slip rings, blades, etc., and rotates under the drive of the motor to generate air flow. The design and manufacture of the fan rotor have an important impact on the performance and efficiency of the fan. According to different types of fans, such as external rotor fans and internal rotor fans, the structure and working principle of the rotor will also be different. The heat dissipation of the fan rotor is an important design consideration factor because it directly affects the efficiency and lifespan of the fan.

[0003] In the prior art, the heat dissipation efficiency of the fan is usually improved by adding heat dissipation devices outside the fan, such as heat dissipation fins, heat dissipation fans, etc. However, these external heat dissipation devices not only increase the volume and weight of the fan, but may also affect the overall performance and aesthetics of the fan. The installation and maintenance costs of the external heat dissipation devices are relatively high, and it is difficult to achieve effective heat dissipation in some compact installation spaces. At the same time, the performance of the external heat dissipation devices may be affected by factors such as environmental temperature and dust, resulting in unstable heat dissipation effects. Therefore, for this problem, this application proposes another technical solution to solve it. Content of the Utility Model

[0004] Aiming at the deficiencies of the prior art, the utility model provides a heat dissipation structure for an industrial fan rotor, which has the advantages of being helpful for effectively dissipating heat from the flange and the fan rotor, etc., and solves the problems in the prior art that the heat dissipation efficiency of the fan is usually improved by adding heat dissipation devices outside the fan, such as heat dissipation fins, heat dissipation fans, etc. However, these external heat dissipation devices not only increase the volume and weight of the fan, but may also affect the overall performance and aesthetics of the fan. The installation and maintenance costs of the external heat dissipation devices are relatively high, and it is difficult to achieve effective heat dissipation in some compact installation spaces. At the same time, the performance of the external heat dissipation devices may be affected by factors such as environmental temperature and dust, resulting in unstable heat dissipation effects.

[0005] To achieve the above object, the utility model provides the following technical solution: A heat dissipation structure for an industrial fan rotor, including two fixed disks, and a heat dissipation mechanism is arranged between the two fixed disks;

[0006] The heat dissipation mechanism includes an installation sleeve fixedly installed between two fixed disks; a fan body fixedly installed inside the installation sleeve; a rotor flange fixedly installed on the top of the fan body; an output shaft fixedly installed inside the rotor flange and fixedly connected to the fan body; heat dissipation silicone grease arranged outside the rotor flange; a heat conduction sheet fixedly installed outside the heat dissipation silicone grease; and a disassembly and assembly heat dissipation component arranged on the top of the fixed disk.

[0007] Optionally, the disassembly and assembly heat dissipation component includes a fixed block fixedly installed on the top of the top fixed disk; a fixed screw threadedly connected inside the fixed block and threadedly connected to the fixed disk; a heat conduction frame fixedly installed inside the fixed block; and heat dissipation fan blades fixedly installed outside the heat conduction sheet.

[0008] By adopting the above technical solution, it is convenient to quickly disassemble, assemble and dissipate heat of the heat conduction frame.

[0009] Optionally, a plurality of heat dissipation fins are fixedly installed on the outer side of the installation sleeve, and the plurality of heat dissipation fins are evenly arranged on the outer side of the installation sleeve.

[0010] By adopting the above technical solution, it helps to effectively dissipate heat through the heat dissipation fins.

[0011] Optionally, a plurality of heat dissipation wing pieces are fixedly installed on the top of the rotor flange, and the heat dissipation wing pieces are evenly arranged on the top of the rotor flange.

[0012] By adopting the above technical solution, it helps to quickly dissipate heat using the heat dissipation wing pieces.

[0013] Optionally, the heat conduction sheet, the heat dissipation fins and the heat dissipation wing pieces are all made of aluminum alloy, and the heat dissipation wing pieces are in a radially divergent radiation shape.

[0014] By adopting the above technical solution, it helps to quickly conduct and dissipate heat.

[0015] Optionally, corresponding threaded grooves are provided inside the fixed block and on the top of the upper fixed disk, and the fixed screw is threadedly connected to the fixed block and the fixed disk through the threaded grooves.

[0016] By adopting the above technical solution, it helps to install, fix and disassemble the fixed block and the heat conduction frame using the fixed screw.

[0017] Optionally, the height of the heat dissipation fan blades gradually decreases from the inside to the outside in the radial direction, and the heat dissipation fan blades are in a curved arc shape and fit the inner wall of the heat conduction frame.

[0018] By adopting the above technical solution, it helps to increase the heat dissipation area and improve the heat exchange efficiency.

[0019] Optionally, the heat-conducting silicone grease is filled and bonded between the heat-conducting sheet and the rotor flange, and the heat-conducting silicone grease is made of silicone.

[0020] By adopting the above technical solution, it helps the heat-conducting silicone grease to effectively conduct the heat on the rotor flange.

[0021] Optionally, both the fixing disk and the mounting sleeve are made of copper alloy, and the fixing disk is welded to the mounting sleeve.

[0022] By adopting the above technical solution, it helps to dissipate heat and conduct heat for the fan body inside the mounting sleeve, and can improve the heat dissipation effect.

[0023] Compared with the prior art, the technical solution of the present application has the following beneficial effects:

[0024] For this industrial fan rotor heat dissipation structure, through the provided heat dissipation mechanism, when the fan body operates, the output shaft rotates rapidly, the heat of the fan body is transferred to the mounting sleeve and the heat dissipation fins for heat dissipation, the heat of the output shaft is conducted to the heat-conducting silicone grease and the heat-conducting sheet, and the heat is transferred to the heat dissipation fan blades through the heat-conducting sheet. The heat dissipation fan blades rotate following the output shaft, and the rotor flange drives the radial heat dissipation fan blades to rotate, generating a forced convection effect, which can effectively take away the heat generated by the rotor flange, realizing the function of self-rotor heat dissipation. Moreover, the design of the heat dissipation fan blades not only increases the heat dissipation area and improves the heat exchange efficiency, but also increases the turbulence of air flow and destroys the thermal boundary layer, thereby further enhancing the heat dissipation effect. Description of the Drawings

[0025] Figure 1 It is a schematic structural diagram of the present utility model;

[0026] Figure 2 For the present utility model Figure 1 The enlarged structural schematic diagram of part A in it;

[0027] Figure 3 It is the front view of the structure of the present utility model.

[0028] In the figure: 1, fixing disk; 2, mounting sleeve; 3, rotor flange; 4, output shaft; 5, heat-conducting silicone grease; 6, heat-conducting sheet; 7, fixing block; 8, heat-conducting frame; 9, heat dissipation fan blade; 10, fixing screw; 11, heat dissipation fin; 101, fan body; 301, heat dissipation wing. Detailed Embodiment

[0029] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0030] Please refer to Figures 1-3 , a heat dissipation structure for an industrial fan rotor in this embodiment, includes two fixing plates 1, and a heat dissipation mechanism is arranged between the two fixing plates 1.

[0031] In this embodiment, the heat dissipation mechanism includes an installation sleeve 2 fixedly installed between the two fixing plates 1; both the fixing plate 1 and the installation sleeve 2 are made of copper alloy, and the fixing plate 1 is welded to the installation sleeve 2. Using copper alloy material can conduct heat well, which is convenient for heat dissipation during rotation. The fan body 101 is fixedly installed inside the installation sleeve 2. The fan body 101 is composed of an impeller, a casing, an inlet collector, a guide vane, and a motor. The impeller is responsible for converting the input mechanical energy into the kinetic energy of the gas and is the core component for the fan to realize gas flow. The casing surrounds and supports the impeller to form a gas flow channel and at the same time protects the internal components from the external environment.

[0032] Among them, the inlet collector is located at the fan inlet and is used to smoothly introduce the gas into the impeller to reduce air flow disorder and energy loss. The guide vane adjusts the air flow direction to make the gas flow more smoothly inside the fan and improve the fan efficiency. The motor provides power for the fan to drive the impeller to rotate and is the key component to realize the fan function; a rotor flange 3 is fixedly installed on the top of the fan body 101; a plurality of heat dissipation fins 301 are fixedly installed on the top of the rotor flange 3, and the heat dissipation fins 301 are evenly arranged on the top of the rotor flange 3, which helps to effectively dissipate heat using the heat dissipation fins 301.

[0033] In this embodiment, an output shaft 4 fixedly installed inside the rotor flange 3 and fixedly connected to the fan body 101; a heat dissipation silicone grease 5 is arranged outside the rotor flange 3; a heat conduction sheet 6 is fixedly installed outside the heat dissipation silicone grease 5; the heat dissipation silicone grease 5 fills and bonds between the heat conduction sheet 6 and the rotor flange 3. The rotor flange 3 is fixedly composed of a flange plate, bolts or nuts, and gaskets. The flange plate is the main part of the connection, and there are holes on the flange plate for fastening connection with other components through bolts. Bolts and nuts are used to tightly connect two or more flange plates together to ensure the stability and tightness of the connection.

[0034] Among them, the gasket is placed between two flange plates, playing a sealing role to prevent medium leakage. The heat dissipation silicone grease 5 is made of silicone ketone, which helps the heat dissipation silicone grease 5 to effectively dissipate heat from the rotor flange 3. A disassembly and assembly heat dissipation component is arranged on the top of the fixed disk 1. The disassembly and assembly heat dissipation component includes a fixed block 7 fixedly installed on the top of the top fixed disk 1; a fixed screw 10 threadedly connected inside the fixed block 7 and threadedly connected to the fixed disk 1. Moreover, the components of this application are made of metal materials with excellent heat conduction performance to make the radial heat dissipation fan blades 9. The shape of the radial heat dissipation fan blades 9 is designed to be replaceable to meet different heat dissipation and aerodynamic requirements.

[0035] In this embodiment, corresponding threaded grooves are provided inside the fixed block 7 and on the top of the upper fixed disk 1. The fixed screw 10 is threadedly connected to the fixed block 7 and the fixed disk 1 through the threaded grooves, which helps to install, fix and disassemble the fixed block 7, the heat conduction frame 8 and the fixed disk 1 using the fixed screw 10. A heat conduction frame 8 fixedly installed inside the fixed block 7; a heat dissipation fan blade 9 fixedly installed outside the heat conduction sheet 6. The height of the heat dissipation fan blade 9 gradually decreases from the inside to the outside along the radial direction. The heat dissipation fan blade 9 is in a curved arc shape and fits the inner wall of the heat conduction frame 8, which helps the heat dissipation fan blade 9 to conduct heat and dissipate heat more quickly and effectively. To further enhance the heat dissipation efficiency, heat dissipation fins can be added to the surface of the radial heat dissipation fan blade 9.

[0036] Among them, these heat dissipation fins not only increase the heat dissipation area and improve the heat exchange efficiency, but also their design can increase the turbulence of air flow and break the thermal boundary layer, thereby further strengthening the heat dissipation effect. The shape of the radial heat dissipation fan blade 9 can be flexibly designed according to specific heat dissipation requirements and aerodynamic characteristics, such as using straight blades, curved blades and other diverse forms to achieve the best heat dissipation effect. In specific application scenarios, it is also possible to consider replacing traditional metal materials with new composite materials with higher heat conduction performance to further improve the heat dissipation performance.

[0037] Among them, a plurality of heat dissipation fins 11 are fixedly installed on the outer side of the installation sleeve 2. The heat conduction sheet 6, the heat dissipation fins 11 and the heat dissipation wing pieces 301 are all made of aluminum alloy. The heat dissipation wing pieces 301 are in a radially divergent shape. Such materials not only have excellent heat conduction performance, but also are light in weight and corrosion-resistant, which is beneficial to improving the overall performance of the fan and extending its service life. The plurality of heat dissipation fins 11 are evenly arranged on the outer side of the installation sleeve 2, which is convenient for using the heat dissipation fins 11 to conduct heat and dissipate heat. It is also possible to consider arranging a heat conduction sheet 6 at the connection between the rotor flange 3 and the radial heat dissipation fan blade 9 to ensure that heat can be transferred from the rotor to the radial heat dissipation fan blade 9 more smoothly and then be dissipated more efficiently.

[0038] The working principle of the above embodiment is as follows:

[0039] For the heat dissipation structure of the industrial fan rotor, during use, first, the heat conduction frame 8 and the heat dissipation fan blades 9 can be fixed on the top of the fixed disk 1, such that the heat dissipation fan blades 9 are closely attached to the outside of the heat conduction fins 6. Then, the fixing screws 10 can be screwed into the inside of the fixing block 7 and the fixed disk 1 to fix the fixing block 7, the heat conduction frame 8, and the heat dissipation fan blades 9 on the top of the top fixed disk 1 and the outside of the rotor flange 3. When the fan body 101 starts to operate, the output shaft 4 starts to rotate at a high speed. The rotation of the output shaft 4 drives the rotor flange 3 to rotate together, and at the same time drives the heat dissipation fan blades 9 to rotate. At this time, the fan body 101 generates a large amount of heat during operation;

[0040] The heat of the fan body 101 is transferred to the mounting sleeve 2 and the heat dissipation fins 11, facilitating heat dissipation. At the same time, the heat of the fan body 101 and the output shaft 4 is conducted to the heat dissipation silicone grease 5 and the heat conduction fins 6, and the heat is transferred to the heat dissipation fan blades 9 through the heat conduction fins 6. At this time, the heat dissipation fan blades 9 are rotating following the output shaft 4, and the rotor flange 3 drives the radial heat dissipation fan blades 9 to rotate, generating a forced convection effect, which can effectively take away the heat generated by the rotor flange 3, realizing the function of self-rotor heat dissipation. Moreover, the design of the heat dissipation fan blades 9 not only increases the heat dissipation area and improves the heat exchange efficiency, but also increases the turbulence degree of air flow and destroys the thermal boundary layer, thereby further strengthening the heat dissipation effect and greatly improving the self-heat dissipation effect of the device.

Claims

1. An industrial fan rotor heat dissipation structure, comprising two fixed disks (1), characterized in that: A heat dissipation mechanism is arranged between the two fixed disks (1); The heat dissipation mechanism includes a mounting sleeve (2) fixedly installed between the two fixed disks (1); a fan body (101) fixedly installed inside the mounting sleeve (2); a rotor flange (3) fixedly installed on the top of the fan body (101); an output shaft (4) fixedly installed inside the rotor flange (3) and fixedly connected to the fan body (101); a heat dissipation silicone grease (5) arranged outside the rotor flange (3); a heat conduction fin (6) fixedly installed outside the heat dissipation silicone grease (5); and a dismountable heat dissipation assembly is arranged on the top of the fixed disk (1).

2. The heat dissipation structure of an industrial fan rotor according to claim 1, characterized in that: The dismountable heat dissipation assembly includes a fixed block (7) fixedly installed on the top of the top fixed disk (1); a fixed screw (10) threadedly connected inside the fixed block (7) and threadedly connected to the fixed disk (1); a heat conduction frame (8) fixedly installed inside the fixed block (7); and a heat dissipation fan blade (9) fixedly installed outside the heat conduction fin (6).

3. The heat dissipation structure of an industrial fan rotor according to claim 1, characterized in that: A plurality of heat dissipation fins (11) are fixedly installed on the outside of the mounting sleeve (2), and the plurality of heat dissipation fins (11) are evenly arranged on the outside of the mounting sleeve (2).

4. The heat dissipation structure of an industrial fan rotor according to claim 1, wherein: A plurality of heat dissipation fins (301) are fixedly installed on the top of the rotor flange (3), and the heat dissipation fins (301) are evenly arranged on the top of the rotor flange (3).

5. The heat dissipation structure of an industrial fan rotor according to claim 1, wherein: The heat conduction fin (6), the heat dissipation fin (11) and the heat dissipation fin (301) are all made of aluminum alloy, and the heat dissipation fin (301) is in a radially divergent radiation shape.

6. The heat dissipation structure of an industrial fan rotor according to claim 2, characterized in that: Threaded grooves corresponding to each other are formed in the inside of the fixed block (7) and the top of the upper fixed disk (1), and the fixed screw (10) is threadedly connected to the fixed block (7) and the fixed disk (1) through the threaded grooves.

7. The heat dissipation structure of an industrial fan rotor according to claim 2, characterized in that: The height of the heat dissipation fan blade (9) gradually decreases from the inside to the outside in the radial direction, and the heat dissipation fan blade (9) is in a curved arc shape and fits against the inner wall of the heat conduction frame (8).

8. The heat dissipation structure of an industrial fan rotor according to claim 2, characterized in that: The heat dissipation silicone grease (5) is filled and bonded between the heat conduction fin (6) and the rotor flange (3), and the heat dissipation silicone grease (5) is made of silicone.

9. The heat dissipation structure of an industrial fan rotor according to claim 2, wherein: The fixed disk (1) and the mounting sleeve (2) are both made of copper alloy, and the fixed disk (1) is welded to the mounting sleeve (2).

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