TWM520670U - Heat dissipation module with dust removal unit - Google Patents

Abstract

A heat dissipation module with dust removal unit is provided in the invention. The dust removal unit is disposed between an inlet surface of a heat dissipater and a fan that provides heat dissipation airflow. Another fan is mounted at an air inlet of the dust removal unit to provide a dust removing airflow in a dust removing airway of the dust removal unit. The dust removing airflow takes away the dust cumulated at the inlet surface while flowing by the inlet surface of the heat dissipater along a direction other than that of the heat dissipation airflow, so that the cumulated dust at the inlet surface may be effectively removed thereby.

Description

Thermal module with dust removal structure

The present invention relates to a dust removal structure, and more particularly to a dust removal structure and associated heat dissipation module at the inlet of the heat dissipation module.

Most of the electronic components generate heat during operation. For some high-frequency operation microchips such as central processing units, graphics display chips, etc., the high heat generated by them needs to be additionally provided by heat pipes, fins, etc. Take it away to avoid component failure caused by high heat. At present, the heat sink of the commonly used heat dissipation module is mainly composed of a plurality of metal fins with high heat conduction effect, and the high heat generated by the wafer is transmitted to the metal through the copper conduit through the high thermal conductivity metal (usually made of copper) which is in direct contact. Fins, and a cooling fan on one side of the metal fins provides a powerful cooling airflow that flows through these metal fins to move the tropics.

It is also because the heat sink generally needs to be equipped with a heat-dissipating fan to generate a heat-dissipating airflow, so that the dust in the air is also easily accumulated in the air inlet at one end of the metal fin of the heat sink as the airflow flows. The long-term accumulation of dust will affect the flow of the heat-dissipating airflow, which will reduce the heat-dissipating capacity of the heat-dissipating system, and the internal temperature of the host will remain high, which will affect the performance and life of the system host.

In order to solve the above problem of dust accumulation which is ubiquitous in the heat sink structure, an embodiment of the present invention provides a dust removing structure and a related heat dissipation module applied to the heat dissipation module.

The heat dissipation module with the dust removal structure provided in the embodiment of the present invention includes a heat sink, a first fan, a dust removing structure and a second fan. The radiator has an air inlet surface. The first fan is disposed at the air inlet surface of the heat sink to provide a heat dissipation airflow to the heat sink in a first direction. The dust removing structure is disposed between the first fan and the air inlet surface, and the dust removing structure extends along a second direction and has an air inlet and an air outlet, and a dust removal duct is formed between the air inlet and the air outlet. . The second fan is disposed at the air inlet of the dust removing structure, and the second fan is configured to provide a dust removing airflow in the dust removing air duct along the second direction.

In an embodiment of the heat dissipation module provided by the present invention, the dust removing structure has a first side opening and a second side opening, the first side opening and the second side opening being opposite to each other, the second side opening Adjacent to the air inlet surface, the first fan is engaged with the dust removing structure and corresponds to the position of the first side opening, and the first side opening is opened from the first side to the second side and the air inlet The surface provides a cooling airflow.

In the embodiment of the heat dissipation module provided by the present invention, the plane represented by the air inlet surface is parallel to the plane formed by the second side opening, and is spaced apart from each other or extends in the dust removing structure and is located in the Between the first side opening and the second side opening.

In the embodiment of the heat dissipation module provided by the present invention, the heat sink further includes a fixing frame fixed to the air inlet surface, the dust removing structure is additionally engaged with the fixing frame and the fixing frame corresponds to the second The position of the side opening.

In the embodiment of the heat dissipation module provided by the present invention, the fixed frame has a plurality of first hooks, and the dust removing structure has a plurality of card slots corresponding to the positions of the plurality of hooks, and the plurality of hooks respectively The plurality of card slots are engaged to engage the dust removing structure with the fixing frame.

In the embodiment of the heat dissipation module provided by the present invention, the dust removing structure has a plurality of second hooks corresponding to the positions of the plurality of card slots, respectively engaging the first fan to engage the first fan. And a position corresponding to the dust removing structure and corresponding to the opening of the first side, wherein the plurality of second hooks have the same structure as the plurality of first hooks.

In an embodiment of the heat dissipation module provided by the present invention, the first fan is screwed to the dust removing structure.

In an embodiment of the heat dissipation module provided by the present invention, the heat sink has a plurality of heat dissipation fins arranged in parallel with each other, and one end of the plurality of heat dissipation fins jointly form the air inlet surface.

In the embodiment of the heat dissipation module provided by the present invention, the dust removal duct of the dust removing structure extends along the second direction, so that the air outlet is aligned with the heat sink, and the air outlet is located at the heat dissipation module. One of the outer casings, or the air outlet is located at a specific location within the casing.

In an embodiment of the heat dissipation module provided by the present invention, wherein the second direction is perpendicular to the first direction, the dust removal airflow dedusts the air inlet surface in a direction parallel to the air inlet surface.

The heat dissipation module provided by the creation can additionally provide a horizontal dust removal airflow at the air inlet surface of the radiator to effectively remove the dust which is easy to accumulate on the air inlet surface, thereby preventing dust from being blocked on the air inlet surface and affecting heat dissipation. The efficiency of heat dissipation by the flow of air through the fins of the heat sink.

Certain terms are used throughout the description and following claims to refer to particular elements. Those of ordinary skill in the art should understand that a manufacturer may refer to the same component by a different noun. The scope of this specification and the subsequent patent application do not use the difference of the names as the means for distinguishing the elements, but the difference in function of the elements as the criterion for distinguishing. The term "including" as used throughout the specification and subsequent claims is an open term and should be interpreted as "including but not limited to". In addition, the term "coupled" or "connected" is used herein to include any direct and indirect structural means of attachment. Therefore, if a first device is coupled/connected to a second device, it means that the first device can be directly connected to the second device, or indirectly connected to the second device through other devices or connection means. Device.

Please refer to FIG. 1 to FIG. 3 , wherein FIG. 1 is a schematic view of a first embodiment of the heat dissipation module of the present invention, and FIG. 2 and FIG. 3 show the components of the first embodiment of the heat dissipation module of FIG. 1 in two A schematic diagram of the explosion at different angles. The heat dissipation module 1 of the first embodiment includes a heat sink 10, a dust removing structure 30, a first fan 50, and a second fan 70. In this embodiment, the heat sink 10 is a heat dissipation structure composed of a copper conduit and a plurality of heat dissipation fins 14 (not limited thereto). The heat dissipation fins 14 are arranged in parallel with each other and form a heat sink 10 at one end. One into the wind surface 12. The first fan 50 is disposed at the air inlet surface 12 of the heat sink 10 for providing a heat dissipation airflow to the heat sink 10 along the first direction D1 in the figure. The heat dissipation airflow can be guided through the heat dissipation fins 14 arranged in parallel. The heat energy band to the heat sink fins 14 leaves the heat sink 10 to achieve the heat dissipation effect. In the embodiment of the present invention, the heat dissipation module 1 further includes a fixing frame 90. The fixing frame 90 passes through the mounting hole 95 of the screw 94 and is locked to the screw hole 16 of the heat sink 10 to fix the frame. The fixing frame 90 is fixed to the air inlet surface 12 of the heat sink 10 , and the fixing frame 90 is simultaneously engaged with the air inlet surface 12 of the heat sink 10 through the hook 96 .

The fixing frame 90 has a plurality of first hooks 92. Before the dust removing structure 30 is added, the first hook 92 can directly engage the first fan 50 to fix the first fan 50 to the fixing frame 90. At the wind surface 12 . In the embodiment of the present invention, the dust removing structure 30 is disposed between the first fan 50 and the air inlet surface 12. The dust removing structure 30 has a structure extending along the second direction D2, and has an air inlet 31 and an air outlet 32, and a dust removing duct 33 is formed between the air inlet 31 and the air outlet 32. The second fan 70 is disposed at the air inlet 31 of the dust removing structure 30. In the embodiment of the present invention, the second fan 70 is locked to the dust removing structure 30 by a screw 72 to abut the air inlet 31. When the second fan 70 is activated, it can drive the air to flow to provide a dust removal airflow in the dust removal duct 33 along the second direction D2.

The dust removing structure 30 has a plurality of card slots 36 corresponding to the positions of the plurality of first hooks 92 of the fixing frame 90, and the dust removing structure 30 additionally has a first side opening 34 and a second side opening 35, and the first side opening 34 The second side opening 35 is opposed to each other, and the first side opening 34 is adjacent to the air inlet face 12. The plurality of card slots 36 of the dust removing structure 30 are respectively engaged with the first hooks 92 of the fixing frame 90, so that the dust removing structure 30 is engaged with the fixing frame 90. When the dust removing structure 30 is engaged with the fixing frame 90, the position of the plurality of card slots 36 in the dust removing structure 30 has a plurality of second hooks 37, and in a preferred embodiment, the first hooks 92 and the second The hooks 37 have the same structure, and the dust removing structure 30 can respectively engage the first fan 50 by the second hooks 37 to engage the first fan 50 on the dust removing structure 30, and the first fan 50 corresponds to the first The position of the side opening 34. In this way, when the fixing frame 90, the dust removing structure 30, and the first fan 50 are mounted on the air inlet surface 12 of the heat sink 10 as shown in FIG. 1, the first fan 50 can be self-contained from the first side opening 34 of the dust removing structure 30. A heat dissipation airflow is provided to the second side opening 35 and the air inlet surface 12 along the first direction D1. In addition, in addition to the first hook 50 being fixed to the dust removing structure 30 through the second hook 37, the first fan 50 can be locked and locked to the dust removing structure 30 by using the screw 52. It is not limited to the embodiment.

After the dust removing structure 30 is added, the heat dissipating module 1 of the present invention is provided with the second air fan 70 at the air inlet of the dust removing structure 30, except for the heat dissipating airflow that the original first fan 50 blows toward the heat sink 10 along the first direction D1. The dust removal airflow blown along the dust removal duct 33 can effectively remove the dust accumulated on the air inlet surface 12. In the present embodiment, the second direction D2 is preferably perpendicular to the first direction D1, that is, the dust-removing airflow entering the dust-removing air passage 33 dedusts the air-intake surface 12 in a direction parallel to the air-intake surface 12, which The method of laterally blowing can ensure the best dust removal efficiency. However, the present invention is not limited thereto, that is, the direction of the dust removal duct 33 is not necessarily perpendicular to the heat dissipation airflow of the first direction D1, as long as the dust removal duct The second direction D2 of the extension 33 is not in the same direction as the first direction D1, and can achieve a certain dust removal effect on the air inlet surface 12.

Please refer to FIG. 4 and FIG. 5 , wherein FIG. 4 is a schematic plan view of the first embodiment of the heat dissipation module of FIG. 1 , and FIG. 5 is a schematic cross-sectional view taken along line A-A of FIG. 4 . In the heat dissipation module 1 of the first embodiment, the plane formed by the air inlet surface 12 is separated from the plane formed by the second side opening 35 of the dust removing structure 30 by a partition of the fixing frame 90 and spaced apart by a distance. Please refer to FIG. 6 and FIG. 7 , wherein FIG. 6 is a schematic top view of a second embodiment of the heat dissipation module of the present invention, and FIG. 7 is a schematic cross-sectional view taken along line C-C of FIG. 6 . In the heat dissipation module 2 of the second embodiment, one end of each of the heat dissipation fins 14 of the heat sink 10 can extend further outward, so that the plane represented by the air inlet surface 12 formed together is further passed through the fixing frame 90. The second side opening 35 extends into the dust removal duct 33 of the dust removing structure 30 and is located between the first side opening 34 and the second side opening 35. In this way, the dust-removing airflow flowing through the dust-removing air passage 33 can directly contact the air-intake surface 12, and the dust accumulated on one end of the heat-dissipating fins 14 can be more efficiently carried away.

Please refer to FIG. 8 and FIG. 9 and refer to FIG. 3 together. FIG. 8 is a schematic view showing a third embodiment of the heat dissipation module of the present invention disposed in a casing, and FIG. 9 is a heat dissipation of the present invention. A schematic diagram of a fourth embodiment of the module disposed in a casing. In the embodiment of the present invention, the position of the air outlet 32 of the dust removing structure 30 may also have different changes. For example, in the first embodiment of FIG. 3, the air outlet 32 of the dust removing structure 30 is aligned with the heat sink 10. Extending outwardly, in the third embodiment of FIG. 8, the air outlet 32 of the dust removing structure 30 of the heat dissipation module 3 disposed in the casing 100 is further extended outward from the heat sink 10, and can be arbitrarily changed and extended. The direction of the air is located at a specific position in the casing 100. As shown in the fourth embodiment of FIG. 9, the air outlet 32 of the dust removing structure 30 of the heat dissipation module 4 disposed in the casing 100 is further provided by the heat sink 10. The portion extends outward and continues to extend out of the casing 100, and the dust entrained by the dust removing air is carried out of the casing 100.

1,2,3,4‧‧‧ Thermal Module
10‧‧‧ radiator
12‧‧‧Into the wind
14‧‧‧Heat fins
16‧‧‧ screw holes
30‧‧‧Dust removal structure
31‧‧‧Air inlet
32‧‧‧air outlet
33‧‧‧Dust air duct
34‧‧‧ first side opening
35‧‧‧Second side opening
36‧‧‧ card slot
37‧‧‧Second card
50‧‧‧First fan
52‧‧‧ screws
70‧‧‧second fan
72‧‧‧ screws
90‧‧‧Fixed frame
92‧‧‧ first card hook
94‧‧‧ screws
95‧‧‧Installation holes
96‧‧‧ hook
100‧‧‧Chassis
D1‧‧‧ first direction
D2‧‧‧ second direction

FIG. 1 is a schematic view of a first embodiment of a heat dissipation module of the present invention. 2 and 3 are exploded views of different elements of the first embodiment of the heat dissipation module of Fig. 1 at different angles. Fig. 4 is a top plan view showing the first embodiment of the heat dissipation module of Fig. 1. Fig. 5 is a schematic cross-sectional view taken along line A-A of Fig. 4. FIG. 6 is a top plan view of a second embodiment of the heat dissipation module of the present invention. Fig. 7 is a schematic cross-sectional view taken along line C-C of Fig. 6. FIG. 8 is a schematic view showing a third embodiment of the heat dissipation module of the present invention disposed in a casing. FIG. 9 is a schematic view showing a fourth embodiment of the heat dissipation module of the present invention disposed in a casing.

1‧‧‧ Thermal Module

10‧‧‧ radiator

12‧‧‧Into the wind

14‧‧‧Heat fins

16‧‧‧ screw holes

30‧‧‧Dust removal structure

31‧‧‧Air inlet

32‧‧‧air outlet

33‧‧‧Dust air duct

34‧‧‧ first side opening

35‧‧‧Second side opening

36‧‧‧ card slot

37‧‧‧Second card

50‧‧‧First fan

52‧‧‧ screws

70‧‧‧second fan

72‧‧‧ screws

90‧‧‧Fixed frame

92‧‧‧ first card hook

94‧‧‧ screws

95‧‧‧Installation holes

96‧‧‧ hook

D1‧‧‧ first direction

D2‧‧‧ second direction

Claims (11)

A heat dissipation module having a dust removal structure, comprising: a heat sink having an air inlet surface; a first fan disposed at the air inlet surface of the heat sink for facing the heat sink along a first direction Providing a heat dissipating airflow; a dust removing structure disposed between the first fan and the air inlet surface, the dust removing structure extending along a second direction and having an air inlet and an air outlet, between the air inlet and the air outlet Forming a dust removal air duct; and a second fan disposed at the air inlet of the dust removing structure, the second fan configured to provide a dust removal airflow in the dust removal air passage along the second direction. The heat dissipation module of claim 1, wherein the dust removing structure has a first side opening and a second side opening, the first side opening and the second side opening being opposite to each other, the second side opening being adjacent to The air inlet surface, the first fan is engaged with the dust removing structure and corresponds to the position of the first side opening, to provide heat dissipation from the first side opening to the second side opening and the air inlet surface along the first direction airflow. The heat dissipation module of claim 2, wherein the plane represented by the air inlet surface is parallel to a plane formed by the second side opening and spaced apart from each other. The heat dissipation module of claim 2, wherein the plane represented by the air inlet surface extends in the dust removing structure and is located between the first side opening and the second side opening. The heat dissipation module of claim 2, wherein the heat sink further comprises a fixing frame fixed to the air inlet surface, the dust removing structure is additionally engaged with the fixing frame and the fixing frame corresponds to the second side opening position. The heat dissipation module of claim 5, wherein the fixing frame has a plurality of first hooks, the dust removing structure has a plurality of card slots corresponding to the positions of the plurality of hooks, and the plurality of hooks respectively engage the card A plurality of card slots are arranged to engage the dust removing structure with the fixing frame. The heat dissipation module of claim 6, wherein the dust removing structure has a plurality of second hooks corresponding to the positions of the plurality of card slots, respectively engaging the first fan to engage the first fan to the dust removing device. And a position corresponding to the opening of the first side, wherein the plurality of second hooks have the same structure as the plurality of first hooks. The heat dissipation module of claim 2, wherein the first fan is screwed to the dust removing structure. The heat dissipation module of claim 1, wherein the heat sink has a plurality of heat dissipation fins arranged in parallel with each other, and one end of the plurality of heat dissipation fins jointly form the air inlet surface. The heat dissipation module of claim 1, wherein the dust removal duct of the dust removal structure extends along the second direction, so that the air outlet is aligned with the heat sink, and the air outlet is located at one of the heat dissipation modules. Outside the casing, or the air outlet is located at a specific location within the casing. The heat dissipation module of claim 1, wherein the second direction is perpendicular to the first direction, and the dust removal airflow dedusts the air inlet surface in a direction parallel to the air inlet surface.