Blower runner type fan heat dissipation structure capable of axially guiding air inlet and radially pressurizing air outlet

By designing axis -directed air -drum flow -type fan structure with pressure -induced air -to -air outlet, the existing centrifugal fan constitutes tedious and poor flow design in the heat dissipation application, and achieves more efficient heat dissipation effects And more convenient assembly process.

CN222415305UActive Publication Date: 2025-01-28DONG GUAN YUNG TENG ELECTRONICS PROD
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Patent Information

Application Number
CN202421189404.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-28
Publication Date
2025-01-28
Estimated Expiration
2034-05-28

AI Technical Summary

Technical Problem

The existing centrifugal fans have complicated structures and poor runner design in heat dissipation applications, which leads to difficult positioning, affecting the complete smooth operation of the runner, and thus making the overall heat dissipation effect poor.

Method used

Design an axis -directed air -drum flow -type fan structure with a axial directional direction. The combination of wind drum -type hood and a derivative base cover can be achieved to achieve the amount of momentum of gas and the conversion of pressure energy. And air volume, and improve the convenience and assembly efficiency of the diversion support board.

Benefits of technology

The axial air intake of the fan guidance into radial pressure, which enhances wind pressure and air volume, enhances the heat dissipation effect, simplifies the assembly process, improves the assembly efficiency of the production line and the user's self -assembly convenience.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a wind-blowing flow channel type fan heat dissipation structure capable of axially guiding air inlet and radially pressurizing air outlet, which comprises a heat dissipation fin device, a flow space is arranged above the heat dissipation base, the heat dissipation fin device comprises a heat dissipation base and a heat dissipation fin group on the outer ring side, and the heat dissipation fin group is communicated with the flow space; the air blowing type fan device comprises an air blowing type housing, a fan body and a flow guide base cover, the air blowing type housing is at least provided with a bottom housing and an opening in one side, the bottom housing is provided with an inlet, the inlet corresponds to the flowing space, and the fan body is arranged in the air blowing type housing; the flow guide base cover is arranged on the lower portion of the wind drum type cover shell, a flow guide inlet is formed in one side of the flow guide base cover, and the flow guide inlet, the space in the flow guide base cover and the inlet form a guide flow channel; the flow guide supporting plate is arranged on the side edge of the combination of the wind drum type housing and the flow guide base cover and correspondingly connected with the opening and the flow guide inlet, and a plurality of through holes in an array form are formed in the flow guide supporting plate.
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Description

Technical Field

[0001] The utility model relates to a fan heat dissipation structure, in particular to a fan heat dissipation structure of an axially guided air intake and radially pressurized air outlet, which can improve the wind pressure and air volume by designing a fan device body of a flow channel guide type, so as to simplify the overall structure and make it more efficient. Background Art

[0002] The electronic components in electronic products are gradually becoming more functionally centralized and powerful. For example, the display adapter device is designed to meet the needs of higher-level graphics functions, e-sports games, AI functions, etc., which will generate more heat when the display adapter device (or other electronic components) is in operation. If this heat cannot be removed in time, it will lead to problems with the stability of the performance and shortened life of the electronic products. Therefore, in order to maintain the operating temperature of such electronic components within an appropriate range, effective heat dissipation technology is critical. Therefore, using heat dissipation devices to effectively dissipate heat from electronic components and electronic components has become a normal focus of the industry.

[0003] A common type of turbofan / centrifugal fan is used in the field of personal computer cooling. Since the gas flow direction of the turbofan is perpendicular to the shaft, the turbofan / centrifugal fan can output a larger air volume within a certain space, improving the cooling effect. It is often used in high-performance display adapter heat sinks. However, this type of centrifugal fan often has a complicated structure and poor flow channel design, making it difficult to position during assembly and application, which affects the complete and smooth operation of the flow channel, resulting in poor overall cooling effect. It is indeed necessary to make further improvements and breakthroughs.

[0004] To this end, the creator of this case has learned about the shortcomings of the centrifugal fan heat dissipation technology and the fact that its structural design is not ideal, and has begun to develop a solution, hoping to develop an axially guided air intake and radially pressurized air outlet wind blower flow channel type fan heat dissipation structure that is easier to position, has complete and unobstructed flow channels, and has excellent airflow pressurization efficiency, so as to serve the general public and promote the development of this industry. After a long period of thinking, the present utility model was created. Utility Model Content

[0005] The utility model aims to provide a fan heat dissipation structure with a blast flow channel that guides air intake axially and discharges pressurized air radially, which can force the gas to rotate after the motor drives the hub and impeller to rotate, and do work on the gas to increase its momentum, so that the gas is thrown out to the surroundings of the impeller under the action of centrifugal force, and the kinetic energy is converted into pressure energy through the design of the blast type cover, so that the axial air intake of the fan is guided into radial pressurized air outlet, and the pressure in the impeller is lower than the pressure at the air inlet, and new gas is sucked into the impeller under the action of the pressure difference, thereby producing continuous heat absorption, heat dissipation and heat exhaust effects.

[0006] Another object of the utility model is to provide a fan heat dissipation structure with an axially guided air intake and radially pressurized air outlet, which can make the axial air intake have excellent integrated guidance through the complete unobstructed design of the flow channel, and the overall assembly application is more convenient in positioning, so as to improve the assembly efficiency of the production line or facilitate the user's self-assembly and use, and has high applicability and heat dissipation efficiency.

[0007] Another object of the utility model is to provide a fan heat dissipation structure with a blast flow channel that axially guides the air intake and radially pressurizes the air outlet. The structure can produce a combined effect in positioning and wind direction through the combined design of a guide support plate, so that the fan can be more practical for assembly application while improving the wind pressure and air volume.

[0008] The technical means adopted by the utility model to achieve the above-mentioned purpose are as follows: the utility model provides a wind-drum flow channel fan structure that axially guides the intake air and radially pressurizes the exhaust air, including: a heat dissipation fin device, including a heat dissipation seat and a heat dissipation fin group on the outer ring side, the heat dissipation fin group is formed by a plurality of heat dissipation fins surrounding the outer ring connected to the heat dissipation seat, a downwardly concave flow space is provided above the heat dissipation seat, and the flow space is connected to the heat dissipation fin group; a wind-drum fan device, including a wind-drum cover, a fan body and a guide base cover, the wind-drum cover to The fan body is arranged in the wind drum type cover; the guide base cover is arranged at the lower part of the wind drum type cover, and a guide inlet is formed on one side of the guide base cover, and the guide inlet, the space inside the guide base cover and the inlet form a guide flow channel; a guide support plate is arranged on the side of the combination of the wind drum type cover and the guide base cover, and is correspondingly connected to the opening and the guide inlet, and a plurality of through openings in an array form are arranged on the guide support plate.

[0009] In this embodiment, the guide base cover is based on the bottom cover shell as the top surface, and two side cover plates and a rear cover plate are arranged downwardly from the bottom cover shell, and the rear cover plate is opposite to the guide inlet.

[0010] In this embodiment, the plurality of through-ports include a first through-port group at the top and a second through-port group at the bottom. The first through-port group corresponds to the opening, and the second through-port group corresponds to the diversion inlet.

[0011] In this embodiment, a positioning plate is provided on one side of the guide support plate.

[0012] In this embodiment, the wind-drum type cover further includes a top cover and a peripheral side cover, and the side cover is connected between the periphery of the top cover and the bottom cover.

[0013] In this embodiment, the fan body includes a hub and a motor. The hub is driven to rotate by the motor. The annular outer side of the hub is connected to an impeller composed of a plurality of blades.

[0014] In this embodiment, the heat sink is formed integrally with the heat sink fin assembly.

[0015] In this embodiment, the longitudinal height of the heat dissipation fin group is higher than the heat dissipation seat, and the flow space is arranged at an inner position above the heat dissipation fin group.

[0016] In this embodiment, the flow space is a cylindrical space.

[0017] In this embodiment, it further includes an electronic device, which includes a circuit board. The circuit board is used to set and position the heat sink fin device and the guide base cover. The circuit board is provided with at least one processor, and the heat sink is in contact with the processor.

[0018] The utility model discloses a wind-drum flow channel fan heat dissipation structure with axially guided air intake and radially pressurized air outlet. By means of the above-mentioned structure, the motor can drive the hub and the impeller to rotate, and then force the gas to rotate, and do work on the gas to increase its momentum, so that the gas is thrown out to the periphery of the impeller under the action of centrifugal force. The kinetic energy is converted into pressure energy through the design of the wind-drum cover, so that the axial air intake of the fan is guided into radially pressurized air outlet, and the pressure in the impeller is lower than the pressure at the air inlet. New gas is sucked into the impeller under the action of the pressure difference, thereby generating a continuous The utility model can achieve the effects of heat absorption, heat dissipation and heat exhaust; at the same time, the utility model can make the axial air intake have excellent integrated guidance through the complete unobstructed design of the flow channel, and the overall assembly application is more convenient in positioning, so as to improve the assembly efficiency of the production line or facilitate the user's self-assembly and use, and has deep applicability and heat dissipation efficiency; in addition, the utility model can further produce a combined effect in positioning and wind direction through the integrated design of the guide support plate, so that it can have a more practical effect in assembly application while improving the wind pressure and air volume of the fan.

[0019] In order to enable a better understanding and recognition of the technical features and the effects achieved by the utility model, a preferred embodiment diagram and a detailed description are provided as follows. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional schematic diagram of the utility model.

[0021] Figure 2 It is a three-dimensional exploded schematic diagram of the utility model.

[0022] Figure 3It is a three-dimensional schematic diagram of the wind-blast fan device of the utility model.

[0023] Figure 4 It is a schematic diagram of the combined operation of the utility model.

[0024] Figure 5 It is a cross-sectional schematic diagram of the combined operation of the utility model.

[0025] Figure 6 It is a schematic diagram of the combined application of the utility model.

[0026] Explanation of the reference numerals: a blast fan device 1; a blast fan 10; a top cover shell 11; a bottom cover shell 12; an inlet 121; a side cover shell 13; an opening 14; a hub 15; a motor 16; an impeller 17; a guide base cover 18; a side cover plate 181; a side cover plate 182; a rear side cover plate 183; a guide inlet 19; a heat sink fin device 2; a heat sink seat 21; a heat sink fin group 22; a flow space 23; an electronic device 3; a circuit board 31; a processor 32; a guide support plate device 4; a guide support plate 41; a through port 411; a positioning plate 42; a first through port group 43; a second through port group 44; a computer body 5; a heat sink panel 51; a heat sink window 52. DETAILED DESCRIPTION

[0027] See also Figures 1 to 3 , used to illustrate the embodiment of the wind-blast flow channel type fan heat dissipation structure of the utility model, which guides the intake air axially and pressurizes the exhaust air radially. The top and bottom, upper and lower positions described in the embodiment of the utility model are described according to the positions of the mutual relationship between the components in the disclosed figure, and the positions presented in actual application are not limited. The wind-blast flow channel type fan heat dissipation device in the embodiment disclosed by the utility model includes a wind-blast type fan device 1, a heat dissipation fin device 2 and an electronic device 3.

[0028] The wind-drum fan device 1 includes a wind-drum fan 10 and a guide base cover 18. The wind-drum fan 10 includes a wind-drum cover and a fan body (not numbered). The wind-drum cover further includes a top cover 11, a bottom cover 12 and a peripheral side cover 13. The side cover 13 is connected between the top cover 11 and the bottom cover 12, and the top edge of the side cover 13 is connected along the periphery of the top cover 11 to form the structure of the wind-drum cover, and the bottom edge of the side cover 13 is connected to the top surface of the bottom cover 12, and one side of the wind-drum cover has an opening 14 like a trumpet expansion, and the structure of the wind-drum cover is not limited. The bottom cover 12 is provided with an inlet 121, and the inlet 121 is arranged corresponding to the fan body.

[0029] Please also read Figure 5The fan body is disposed in the wind drum housing, and the fan body includes a hub 15 and a motor 16. The hub 15 is sleeved and pivotally connected to the spindle of the motor 16 to be driven to generate a rotational operation. The hub 15 is also disposed at a position relative to the inlet 121. The annular outer side of the hub 15 is connected to an impeller 17 composed of a plurality of blades. The impeller 17 is preferably in a circular ring shape and rotates with the hub 15.

[0030] The guide base cover 18 is arranged at the lower part of the blast fan 10, and the guide base cover 18 takes the bottom cover shell 12 as the top surface, and has two side cover plates 181, 182 and a rear cover plate 183 downwardly provided on the bottom cover shell 12, and a guide inlet 19 is formed on the side / front side relative to the rear cover plate 183, so that the guide inlet 19, the space inside the guide base cover 18 and the inlet 121 of the bottom cover shell 12 form a guide flow channel design.

[0031] In other embodiments, the wind drum type housing can form its bottom housing 12 into a configuration identical to the top housing 11, and the guide base housing 18 has another top housing plate (not shown), and the bottom housing 12 is placed on the top housing plate of the guide base housing 18. Of course, the top housing plate is also provided with an inlet (not shown), which corresponds to the inlet 121 of the bottom housing 12, so as to form a guide channel design. Therefore, in this embodiment, the bottom housing 12 of the wind drum type housing forms a shared intermediate plate / shell with the guide base housing 18, but these equivalent difference designs are not limited.

[0032] The heat dissipation fin device 2 is disposed in the guide base cover 18. The heat dissipation fin device 2 includes at least one heat dissipation seat 21 (such as Figure 5 The heat sink 21 is provided with a heat sink fin assembly 22 on the outer ring side. The heat sink fin assembly 22 is formed by a plurality of heat sink fins surrounding the outer ring connected to the heat sink 21. That is, the heat sink fin assembly 22 is a plurality of heat sink fins arranged in a ring with a gap, so that a heat dissipation channel is formed between adjacent heat sink fins. In a suitable embodiment, the heat sink 21 and the heat sink fin assembly 22 can also be formed integrally. Furthermore, the longitudinal height of the heat sink fin assembly 22 is higher than that of the heat sink 21, and the upper side of the heat sink 21 (depending on the heat sink 21) is provided with a plurality of heat sink fins surrounding the outer ring connected to the heat sink 21. Figure 5 A downwardly recessed flow space 23 is provided in the direction shown, and the flow space 23 is formed by the inner part above the heat dissipation fin group 22, that is, the flow space 23 is arranged at the inner side above the heat dissipation fin group 22, so that the flow space 23 is connected to the gap distance / heat dissipation channel of the heat dissipation fin group 22, and the flow space 23 is a cylindrical space and corresponds to the inlet 121 of the bottom cover shell 12.

[0033] The electronic device 3 may be a display adapter device or other electronic component device. The electronic device 3 includes a circuit board 31 on which a display adapter or other electronic component device related to the electronic component is disposed. The electronic component device at least includes a processor 32 .

[0034] Furthermore, the utility model of the wind-drum flow channel fan heat dissipation structure for axially guiding the intake air and radially pressurizing the exhaust air further includes a guide support plate device 4, which is arranged on the side of the wind-drum fan 10 and the guide base cover 18 combination, and corresponds to the opening 14 of the wind-drum cover shell and the guide inlet 19 of the guide base cover 18. The guide support plate device 4 includes a guide support plate 41, and the guide support plate 41 is provided with a plurality of through holes 411 in the form of an array. The plurality of through holes 411 are a combination of several columns, as shown in the figure, including a first through hole group 43 in the first column (or above) and a second through hole group 44 in the second and third columns (or below). The first through hole group 43 corresponds to the opening 14, and the second through hole group 44 corresponds to the guide inlet 19, but this corresponding method is not limited; furthermore, a positioning plate 42 is provided on one side of the guide support plate 41 to facilitate consolidation on the electronic product to be set.

[0035] Please also read Figure 4 , Figure 5 When the utility model is combined with a fan heat dissipation structure of an axially guided air intake and radially pressurized air discharge, the blast fan device 1 is arranged above the heat dissipation fin device 2, and the heat dissipation fin device 2 is located in the guide base cover 18, and the inlet 121 of the bottom cover shell 12 corresponds to the flow space 23 of the heat dissipation fin device 2. The heat dissipation fin device 2 is fixed on the circuit board 31, and the heat dissipation seat 21 is in contact with the processor 32 (or other heat generating components) to conduct the heat of the processor 32 to the heat dissipation seat 21. The side cover plates 181, 182 and the rear side cover plate 183 of the blast fan device 1 are in contact with the circuit board 31, so that the heat dissipation fin device 2 is located in the guide flow channel in the guide base cover 18, and only the guide inlet 19 and the opening 14 are connected to the outside. The guide support plate 41 is disposed at the opening 14 of the wind drum housing and the guide inlet 19 of the guide base cover 18 .

[0036] When the blast flow channel type fan heat dissipation structure of the utility model with axially guided air intake and radially pressurized air outlet is in operation, when the motor 16 is started to drive the hub 15 and the impeller 17 to rotate, the external air / windflow enters the guide flow channel in the guide base cover 18 through the second port group 44 and the guide inlet 19, and enters the heat dissipation fin device 2 for forced heat dissipation, and the air around the heat dissipation fin group 22 is attracted to enter the flow space 23, so that the heat source on the heat dissipation seat 21 axially enters the blast fan 10 through the inlet 121 along with the incoming cold air, and the hot air entering the blast fan 10 is forced to rotate through the impeller 17 in the hub 15, and work is done on the hot air to increase its momentum, so that the hot air is centrifugal. , are thrown out to the hub 15 and the impeller 17, and the kinetic energy is converted into pressure energy through the configuration design of the wind-drum cover to guide the radial pressurized air outlet, and then discharged from the opening 14 and the first port group 43 on the guide support plate 41, and the pressure at the hub 15 / inlet 121 is made lower than the pressure at the flow space 23, so that the hot air is continuously sucked into the wind-drum fan 10 under the action of the pressure difference, and at the same time, the new external air is sucked into the heat dissipation fin group 22 through the second port group 44 below the guide support plate 41 under the action of attraction, and enters the flow space 23 for heat conduction, so that the wind-drum flow channel fan heat dissipation device of the utility model produces a continuous operation effect of absorbing, dissipating and exhausting heat.

[0037] Please also read Figure 6 As shown, it is an application description of an embodiment of the blast channel type fan heat dissipation structure of the utility model that axially guides the intake air and radially pressurizes the exhaust air. As shown in the figure, the fan heat dissipation device disclosed by the utility model is arranged in a computer body 5, and the computer body 5 has a heat dissipation panel 51, and the heat dissipation panel 51 is also provided with a heat dissipation window 52, ​​and the guide support plate 41 is fixed to the heat dissipation window 52 by the positioning plate 42, so that the blast channel type fan heat dissipation device of the utility model can effectively improve the wind pressure, air volume, etc. of the blast fan 10 during operation when performing heat dissipation operation, which is helpful for its heat dissipation effect and reduces the temperature of the electronic heating component during operation.

[0038] The utility model discloses a wind-drum flow channel fan heat dissipation structure with axially guided air intake and radially pressurized air outlet. By means of the above-mentioned structure, the motor can drive the hub and the impeller to rotate, and then force the gas to rotate, and do work on the gas to increase its momentum, so that the gas is thrown out to the periphery of the impeller under the action of centrifugal force. The kinetic energy is converted into pressure energy through the design of the wind-drum cover, so that the axial air intake of the fan is guided into radially pressurized air outlet, and the pressure in the impeller is lower than the pressure at the air inlet. New gas is sucked into the impeller under the action of the pressure difference, thereby generating a continuous The utility model can achieve the effects of heat absorption, heat dissipation and heat exhaust; at the same time, the utility model can make the axial air intake have excellent integrated guidance through the complete unobstructed design of the flow channel, and the overall assembly application is more convenient in positioning, so as to improve the assembly efficiency of the production line or facilitate the user's self-assembly and use, and has deep applicability and heat dissipation efficiency; in addition, the utility model can further produce a combined effect in positioning and wind direction through the integrated design of the guide support plate, so that it can have a more practical effect in assembly application while improving the wind pressure and air volume of the fan.

[0039] The present invention has been described in more detail through the above preferred specific embodiments, but the present invention is not limited to the above exemplified embodiments. Within the scope of the technical idea disclosed in the present invention, various changes and modifications to the structures still fall within the patent scope of the present invention.

Claims

1. A fan heat dissipation structure with a blast channel that guides air intake axially and pressurizes air outlet radially, characterized in that: Included are: A heat sink fin device includes a heat sink and a heat sink fin group on the outer ring side. The heat sink fin group is formed by a plurality of heat sink fins surrounding the outer ring connected to the heat sink. A downwardly concave flow space is provided above the heat sink, and the flow space is connected to the heat sink fin group. A wind-drum fan device comprises a wind-drum casing, a fan body and a guide base cover, wherein the wind-drum casing has at least a bottom casing and an opening on one side, the bottom casing is provided with an inlet, the inlet corresponds to the flow space, and the fan body is arranged in the wind-drum casing; the guide base cover is arranged at the lower part of the wind-drum casing, a guide inlet is formed on one side of the guide base cover, and the guide inlet, the space inside the guide base cover and the inlet form a guide flow channel; A guide support plate is arranged on the side of the wind drum type cover shell and the guide base cover combination and is correspondingly connected to the opening and the guide inlet. The guide support plate is provided with a plurality of through openings in an array form.

2. The blast channel type fan heat dissipation structure with axially guided air intake and radially pressurized air outlet according to claim 1, characterized in that: The guide base cover takes the bottom cover shell as the top surface, and two side cover plates and a rear cover plate are arranged downwardly from the bottom cover shell, and the rear cover plate is opposite to the guide inlet.

3. The blast channel type fan heat dissipation structure with axially guided air intake and radially pressurized air outlet according to claim 1, characterized in that: The plurality of through-ports include a first through-port group at the top and a second through-port group at the bottom. The first through-port group corresponds to the opening, and the second through-port group corresponds to the diversion inlet.

4. The blast channel type fan heat dissipation structure with axially guided air intake and radially pressurized air outlet according to claim 3, characterized in that: A positioning plate is provided on one side of the guide support plate.

5. The blast channel type fan heat dissipation structure with axially guided air intake and radially pressurized air outlet according to claim 1, characterized in that: The wind drum type cover shell also includes a top cover shell and a peripheral side cover shell, and the side cover shell is connected between the periphery of the top cover shell and the bottom cover shell.

6. The blast channel type fan heat dissipation structure with axially guided air intake and radially pressurized air outlet according to claim 1, characterized in that: The fan body includes a hub and a motor. The hub is driven to rotate by the motor. The annular outer side of the hub is connected with an impeller composed of a plurality of blades.

7. The blast channel type fan heat dissipation structure with axially guided air intake and radially pressurized air outlet according to claim 1, characterized in that: The heat sink and the heat sink fin group are formed as one body.

8. The blast channel type fan heat dissipation structure with axially guided air intake and radially pressurized air outlet according to claim 1, characterized in that: The longitudinal height of the heat dissipation fin group is higher than that of the heat dissipation seat, and the flow space is arranged at the inner side above the heat dissipation fin group.

9. The blast channel type fan heat dissipation structure with axially guided air intake and radially pressurized air outlet according to claim 8, characterized in that: The flow space is a cylindrical space.

10. The blast channel type fan heat dissipation structure with axially guided air intake and radially pressurized air outlet according to claim 1, characterized in that: The invention also comprises an electronic device, which comprises a circuit board, and the circuit board is used for setting and positioning the heat dissipation fin device and the guide base cover. The circuit board is provided with at least one processor, and the heat dissipation seat is in contact with the processor.