JP3060530U - High-efficiency fan radiating piece structure - Google Patents

Abstract

(57) [Abstract] [Problem] Although it is a kind of high-efficiency fan radiating piece structure, the problem is to expand the range of application by making the structure small, thin, and high in heat radiating effect. A rotating shaft fan is mounted on one side of a pedestal, and a plurality of radiating plates extending from an appropriate position to the other side of the pedestal are provided. One of the heat sinks expands toward the other, reducing the width of the isolated passage, which helps to speed the airflow and increase heat dissipation efficiency. Another method to increase the heat dissipation effect is to install a separator plate at the bottom of the upper lid, facing the motor of the rotating shaft fan, and a stopper near the shaft blade of the rotating shaft fan to concentrate airflow and release heat. Let it flow on the board. Since the rotating shaft fan can be accommodated in the heat radiating piece, the assembly space of the heat radiating piece can be reduced, and its application range can be expanded.

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 The present invention relates to a high-efficiency fan radiating piece structure in which a rotating shaft fan is housed in a radiating piece to reduce an assembling space of the radiating piece and enhance a radiating effect.

[0002]

[Prior art]

 The conventional heat dissipating piece is made of aluminum compression molding and has a structure in which a plurality of heat dissipating plates are installed. However, the heat dissipating area is large because the surface of the heat dissipating plate is corrugated. However, if metal heat radiating pieces were used for electronic components that generate a large amount of heat, a high heat radiating effect could not be expected, and airflow had to be generated using a fan. This fan is a flat type, and it is a single type that is assembled with a heat dissipation piece with screws, or a type that is integrated into a heat dissipation piece, but the generated air flow goes from top to bottom and cool air flows between the heat dissipation plates. , The warm air was carried out, and the heat radiation effect of the heat radiation piece was enhanced. However, this type of fan has a certain height in the components such as the wings, magnets, and coils, and if the height of the heat dissipation piece is added to this, it must be installed in a product such as a notebook computer that is short and light. However, heat had to be dissipated using expensive heat pipes.

[0003]

[Problems to be solved by the invention]

 As can be seen from the above description, the conventional fan radiating piece structure has a certain height, and thus cannot be installed in products such as notebook personal computers pursuing shortness and lightness. Therefore, it is a challenge to improve the structure of the fan and to make it small, thin, and have a high heat dissipation effect.

[0004]

[Means for solving the invention]

 In order to solve the above-mentioned problems, the high-efficiency fan radiating piece structure of the present invention consists of a pedestal and an upper lid.A rotating shaft fan is attached to one side of the pedestal, and a plurality of radiating A plate is provided. One of the heat sinks expands toward the other, reducing the width of the isolated passage, which helps to accelerate the airflow and increase heat dissipation efficiency. Another way to enhance the heat dissipation effect is to install a separator plate at the bottom of the upper lid, facing the motor of the rotating shaft fan, and install a stopper near the shaft blade of the rotating shaft fan to concentrate the airflow. So that it flows to the heat sink. Since the rotating shaft fan can be accommodated in the heat sink, the assembly space of the heat sink can be reduced, and its application range can be expanded.

[0005]

[Embodiment of the invention]

 As shown in FIGS. 1 and 2, the high-efficiency fan radiating piece structure of the present invention includes a pedestal 20 and an upper lid 30. The pedestal 20 has a U-shape having an open space, and a rotating shaft fan is provided on one side. A plurality of heat radiating plates 23 are provided, which are attached to the pedestal 20 from an appropriate position. In addition, the upper lid 30 serves as a heat radiation piece 10 that covers and seals the pedestal 20, and the rotating shaft fan 21 of the pedestal 20 and the opposite side thereof form an air outlet 11 and an outlet 12, respectively. The upper cover 30 is provided with a separator 31 at a position facing the motor 212 of the rotary shaft fan 21 to avoid turbulence generated during operation of the motor 212 and smoothly introduce the airflow to the pedestal 20 to change the linear direction of the airflow. maintain. After the stopper 32 is provided near the shaft blade 211 of the rotary shaft fan 21 and the upper lid 30 and the pedestal 21 are combined, a gap 22 is formed between the stopper 32 and the pedestal 20, and the air flow is concentrated and So that it flows into the passage 24 between them. One of the above-mentioned heat radiating plates 23 gradually expands toward the other, so that the width of the isolated passage 24 is gradually reduced. This is a design based on the principle of hydrodynamics, and the flow of the air flow is increased. And the heat radiation efficiency can be increased. An arc-shaped convex portion 25 protruding upward is provided on the pedestal 20 of the air outlet 11 to which the rotary shaft fan 21 is attached. The convex portion 25 is installed in accordance with the angle of the inlet of the airflow in which the rotary shaft fan 21 rotates. The arc-shaped curve allows the air flow to enter smoothly. The rotating shaft fan 21 is installed so as to fit in the heat radiating piece 10 and the entire height is suppressed to only the height of the pedestal 20. However, the rotating shaft fan 21 may be manufactured as very small as only about 6 mm in height. . By doing so, it can be widely applied to electronic devices having various needs such as short, small, light, and thin, and a limited space can be saved.

The arrows shown in FIGS. 3 and 4 indicate the flow direction and path of the air flow when the rotary shaft fan 21 is rotated, and the air flow enters from the air outlet 11 along the arc-shaped curve of the convex portion 25. Then, the stopper stops and the gap flows between the stopper 32 and the pedestal 20 and flows into the passage 24 between the heat radiating plates 23. The shape before the passage 24 is wide and narrow behind is a design based on the principle of fluid dynamics, which speeds up the flow of the airflow at the outlet 12 and quickly carries out the amount of heat which the radiator plate 23 responds to, thereby improving the radiation efficiency. Enhance. Further, as shown in FIG. 4, another embodiment of the present invention uses an upper cover 30 having a small area. When the upper lid 30 and the pedestal 20 are combined, the upper lid 30 does not completely cover the entire pedestal 20 and forms an L-shaped air outlet 13, so that the flow rate of gas flowing from the air outlet 13 can be increased.

[0007]

[Effect of the invention]

 The high-efficiency fan radiating piece structure of the present invention described in detail above consists of a pedestal and an upper lid.A rotating shaft fan is mounted on one side of the pedestal, and a plurality of radiating plates extending from an appropriate position to the other side of the pedestal are installed. However, it was possible to increase the heat dissipation efficiency by speeding up the airflow. In addition, a separation plate is provided at the bottom of the upper lid at a position opposite to the motor of the rotating shaft fan, and a stopper is provided near the shaft blade of the rotating shaft fan, so that the airflow concentrates and flows to the heat sink. Heat dissipation efficiency could be improved. In addition, since the rotating shaft fan can be accommodated in the heat radiating piece, the assembly space for the heat radiating piece can be reduced, and the applicable range can be expanded.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of the present invention.

FIG. 2 is a bottom view of the pedestal of the present invention.

FIG. 3 is an exploded side view of the present invention.

FIG. 4 is another embodiment of the present invention.

[Explanation of symbols]

 DESCRIPTION OF REFERENCE NUMERALS 10 radiating piece 11 air outlet 12 outlet 13 air outlet 20 pedestal 21 rotating shaft fan 211 shaft blade 212 motor 22 gap 23 heat radiating plate 24 passage 25 convex portion 30 upper lid 31 separator plate 32 stopper

Claims (7)

[Utility model registration claims] 1. A high-efficiency fan radiating piece structure comprising a pedestal and an upper lid, wherein the pedestal has a rotating shaft fan mounted on one side and a plurality of radiator plates mounted on the surface, and the upper lid covers the pedestal and is sealed. The rotating shaft fan of the pedestal and the opposite side thereof form an air outlet and an air outlet, respectively. The above-described rotating shaft fan is housed in the heat radiating piece, and the airflow enters from the air outlet. A high-efficiency fan radiating piece structure characterized in that the isolated heat quantity is quickly sent out from the air outlet to reduce the assembling space of the radiating piece and increase the heat radiating efficiency. 2. A method according to claim 1, wherein a separator is provided on the upper lid at a position opposite to the motor of the rotary shaft fan, and turbulence generated during operation of the motor is avoided to smoothly introduce the air flow into the pedestal. Item 2. A high-efficiency fan radiating piece structure according to Item 1. 3. A stopper is provided on the bottom surface of the upper cover near the rotary shaft fan, and after the upper cover and the pedestal are combined, a gap is formed between the stopper and the pedestal. High-efficiency fan radiating piece structure described in 1. 4. The high-efficiency fan radiating piece structure according to claim 1, wherein said stopper has an arc shape. 5. The width of the isolated passage is gradually reduced because one of the heat radiating plates gradually expands toward the other,
The high-efficiency fan heat-dissipating piece structure according to claim 1, wherein the heat-dissipation efficiency is increased by accelerating the flow of the air current. 6. The high-efficiency fan radiating piece structure according to claim 1, wherein an arc-shaped convex portion protruding upward is provided at the air blowing portion of the pedestal. 7. When the upper lid having a small area is used and the upper lid and the pedestal are combined with each other, the entirety of the pedestal is not completely covered to form the L-shaped air outlet, and the gas flowing from the air outlet is formed. The high-efficiency fan radiating piece structure according to claim 1, wherein the flow rate can be increased.