TWI413494B - Airflow guiding device - Google Patents

Abstract

An airflow guiding device includes a first guiding portion, a second guiding portion, and a third guiding portion. The first, second, and third guiding portions are substantially arc-shaped, and the first guiding portion is connected between the second guiding portion and the third guiding portion. The first guiding portion is flexible, which can be stretched and compressed in a first direction, and bent in a second direction perpendicular to the first direction. Two hooks are respectively formed on inner surfaces of two opposite sides of the second guiding portion, for engaging with a corresponding heat sink. A locking mechanism is formed on an end of the third guiding portion away from the first guiding portion, for engaging with a corresponding plate of an electronic device.

Description

Wind shield

The invention relates to an air hood.

In order to meet the heat dissipation requirements, an electronic device, such as a servo, is usually provided with an air hood on the heat-generating electronic component or the heat sink, such that one end of the air hood is facing a fan, and the other end is facing the air outlet of the electronic device. Through the cooperation of the fan and the air hood, the heat generated by the electronic components can be concentrated and quickly discharged into the electronic device. However, for different electronic devices, due to changes in the system layout, the air hood must be redesigned to accommodate different heat dissipation requirements.

In view of the above, it is necessary to provide an adjustable air hood to accommodate different electronic devices.

An air guiding cover includes a first air guiding portion and a second air guiding portion, wherein the first air guiding portion has elasticity and can be extended or contracted in a first direction, or may be along a second direction perpendicular to the first direction The direction of the first air guiding portion includes a rectangular top wall and two side walls extending downward from the opposite sides of the top wall and parallel to the first direction, the second air guiding portion including a top plate And a side plate extending downwardly from opposite sides of the top plate, wherein the top plate and the two side plates of the second air guiding portion are respectively connected to the top wall of the first air guiding portion and one end of the two side walls, the first guide The top wall and the two side walls of the wind part are away from the One end of the second air guiding portion is respectively provided with a slot for engaging a hook on a corresponding end plate of an electronic device, and a buckle portion is respectively disposed at an inner side of the two side plates of the second air guiding portion. a slot corresponding to the electronic device, the top wall of the first air guiding portion and the two side walls are respectively provided with a slot at an end adjacent to the second air guiding portion, and the top plate of the second air guiding portion is A hook is disposed on one end of the two side plates adjacent to the first air guiding portion, and the first air guiding portion and the second air guiding portion are connected to each other through the slots.

An air guiding cover includes a first air guiding portion, a second air guiding portion and a third air guiding portion, each of which is connected to the second air guiding portion and the first air guiding portion Between the third air guiding portions, the first air guiding portion has elasticity, can be stretched and contracted in a first direction, or can be twisted and deformed in a second direction perpendicular to the first direction, and two of the second air guiding portions The inner side of the side is respectively provided with a latching portion for accommodating a corresponding heat sink, and a locking mechanism is disposed at an end of the third air guiding portion away from the first air guiding portion for latching on an electronic device. Corresponding end plate, the third air guiding portion includes a top plate and two side plates respectively extending downward from opposite sides of the top plate, the latching mechanism comprising a protruding portion disposed at the top plate away from the first air guiding portion A wedge-shaped block.

Compared with the prior art, the air hood can be adapted to be installed in different electronic devices by adjusting the first air guiding portion, so that the air hood is not replaced, and the hood is versatile.

10‧‧‧wind hood

20‧‧‧First Air Guide

21‧‧‧ top wall

212‧‧‧ slotting

22‧‧‧ side wall

222‧‧‧ slotting

25‧‧‧ openings

30‧‧‧Second Air Guide

31‧‧‧ top board

312‧‧‧ hook

32‧‧‧ side panels

322‧‧‧ hook

33‧‧‧Snap Department

34‧‧‧Operation Department

341‧‧‧Handle

35‧‧‧ openings

40‧‧‧ Third Air Guide

41‧‧‧ top board

412‧‧‧ hook

413‧‧‧ card block

42‧‧‧ side panels

422‧‧‧ hook

423‧‧‧ hook

425‧‧‧Carmen

45‧‧‧ openings

50‧‧‧Electronic devices

51‧‧‧floor

53‧‧‧End board

531‧‧‧heating area

532‧‧‧ vents

533‧‧‧Kakong

535‧‧‧Fold

536‧‧ ‧Flap

54‧‧‧Circuit board

543‧‧‧ card slot

55‧‧‧heatsink

56‧‧‧Fan

1 is an exploded perspective view of a first preferred embodiment of an air duct of the present invention and an electronic device.

Figure 2 is an assembled, isometric view of Figure 1.

Figure 3 is a plan view of Figure 2.

4 is a perspective assembled view of a second preferred embodiment of the air duct of the present invention and the electronic device.

Please refer to FIG. 1 , which is a first preferred embodiment of the air duct 10 according to the present invention. The air duct 10 is installed in an electronic device 50 . The air hood 10 includes an adjustable first air guiding portion 20, a second air guiding portion 30, and a third air guiding portion 40.

The first air guiding portion 20 has a "ㄇ" shape and has elasticity, which can be expanded and contracted in a first direction X, or can be twisted and deformed along a second direction Y perpendicular to the first direction. The first air guiding portion 20 includes a rectangular top wall 21, two side walls 22 extending downward from opposite sides of the top wall 21, and two openings 25 respectively located at opposite ends of the first air guiding portion 20. The two side walls 22 are parallel to the first direction X. The top wall 21 is respectively provided with three slots 212 adjacent to the two openings 25, and each of the side walls 22 is also provided with a slot 222 adjacent to the two openings 25. The first air guiding portion 20 may be formed by folding a plastic material in the longitudinal direction or by laminating a plurality of metal materials one by one. In other embodiments, the first air guiding portion 20 may be made of other means or materials as long as the shape and structure conform to the above description and have the properties of telescopic distortion.

The second air guiding portion 30 has a "ㄇ" shape, and includes a top plate 31, two side plates 32 extending downward from opposite sides of the top plate 31, and two openings 35 respectively located at opposite ends of the second air guiding portion 30. . Three hooks 312 are protruded from the top plate 31 adjacent to an opening 35. A pair of hooks 322 are respectively protruded outwardly from the two side plates 32. A buckle portion 33 is disposed on the inner side of each side plate 32. An operation portion 34 is disposed on an outer side of each of the side plates 32. A handle 341 is disposed at an end of each of the operation portions 34 away from the corresponding side plate 32.

The third air guiding portion 40 has a "ㄇ" shape, and includes a top plate 41, two side plates 42 extending downward from opposite sides of the top plate 41, and two openings 45 respectively located at opposite ends of the third air guiding portion 40. . The top plate 41 has three hooks 412 protruding outwardly from an opening 45 , and two wedge-shaped blocks 413 are protruded away from the opening 45 . A hook 422 is also protruded outwardly from the two side plates 42 adjacent to the opening 45. A hook 423 extends downward from the bottom of each side plate 42 at an end adjacent to the opening 45. A latch 425 extends from one end of each side panel 42 away from the opening 45. The block 413 on the top plate 41 and the cassette 425 on the two side plates 42 together form a first snap mechanism.

The electronic device 50 includes a bottom plate 51 and an end plate 53 perpendicular to the bottom plate 51. The end plate 53 is provided with a heat dissipation region 531 composed of a plurality of heat dissipation holes 532. A card hole 533 is defined in each of the two sides of the heat dissipation area 531. An upper portion of the end plate 53 is bent into the electronic device 50 to form a flap 535. The flap 535 extends downwardly from the heat dissipating portion 531 to a blocking piece 536. The blocking piece 536 and the two engaging holes 533 form a second locking mechanism for engaging with the first air guiding mechanism of the third air guiding portion 40. A circuit board 54 is mounted on the bottom plate 51. The circuit board 54 is provided with a heat generating electronic component (not shown), and a heat sink 55 is mounted on the heat generating electronic component. The circuit board 54 is provided with two spaced apart elongated card slots 543 between the heat-generating electronic component and the heat dissipation region 531 of the end plate 53 respectively corresponding to the card holes 533 on both sides of the heat dissipation region 531. The bottom plate 51 is provided with two fans 56 for the heat sink 55.

Referring to FIG. 2 and FIG. 3 , when assembling, the handles 341 of the two operating portions 34 of the second air guiding portion 30 are first pulled outward to elastically deform the two side plates 32 of the second air guiding portion 30 outward. The second air guiding unit 30 is placed on the circuit board 54 of the electronic device 50, and the heat generating electronic component and the heat sink 55 are received in the second air guiding unit 30. The second air guiding unit An opening 35 of the unattached hooks 312, 322 of the 30 is directed to the two fans 56. The latching portions 33 on the inner sides of the side plates 32 of the second air guiding portion 30 are respectively opposite to the bottom portions of the heat sink 55. The two operating portions 34 are released, and the two side plates 32 are elastically restored. The two locking portions 33 are respectively engaged at the bottoms of the two sides of the heat sink 55. Thereby, the installation of the second air guiding portion 30 is completed. Then, the third air guiding portion 40 is mounted on the circuit board 54, and the two hooks 423 of the third air guiding portion 40 are respectively engaged in the corresponding card slots 543 of the circuit board 54. The third air guiding portion 40 is pushed in the direction of the end plate 53 , and the two hooks 423 slide along the two card slots 543 . The two wedge-shaped blocks 413 on the top plate 41 of the third air guiding portion 40 push the blocking piece 536 on the end plate 53 and pass the blocking piece 536 until the card is placed inside the blocking piece 536. At this time, the two latches 425 of the third air guiding portion 40 are respectively engaged with the two corresponding card holes 533 of the end plate 53, and the two hooks 423 are respectively clamped on the edges of the two card slots 543 on the circuit board 54. . Thereby, the installation of the third air guiding portion 40 is completed. The first air guiding portion 20 is placed between the second air guiding portion 30 and the third air guiding portion 40, and the length of the first air guiding portion 20 is stretched or compressed in the first direction X. The first air guiding portion 20 is adjusted in the second direction Y; the slots 212 and 222 at the two ends of the first air guiding portion 20 are respectively opposite to the hooks 312 and 322 of the second air guiding portion 30 and the first The hooks 412 and 422 of the three air guiding portions 40. Thereby, the first air guiding portion 20 is installed, and the air guiding cover 10 is assembled.

In other embodiments, the two operating portions 34 of the second air guiding portion 30 can be omitted, and the user can directly engage or disengage the locking portion 33 and the heat sink 55 by pulling the side plate 32.

In use, the two fans 56 blow air into the air hood 10, and the wind flows through the heat sink 55 and blows toward the end plate 53, and finally dissipates heat through the heat dissipation area 531 on the end plate 53. The aperture 532 exits the electronic device 50. Thereby, the heat generated by the heat sink 55 can be discharged to the electronic device 50 as quickly as possible.

For different electronic devices, when the system layout changes, such as the position of the fan and the heat sink changes or the position of the heat dissipation zone changes, the first air guiding portion 20 can be adjusted in the first direction X and the second direction Y. The air hood 10 can also be installed in the electronic device by adjusting the first air guiding portion 20, so that the air hood is not replaced.

Please refer to FIG. 4 , which is a second preferred embodiment of the air hood 60 of the present invention. The air hood 60 is mounted in an electronic device 70 . The air guiding cover 60 includes an adjustable first air guiding portion 61 and a second air guiding portion 63. The first air guiding portion 61 and the second air guiding portion 63 have the same configuration as the first air guiding portion 20 and the second air guiding portion 30 in the first preferred embodiment. The electronic device 70 is substantially the same as the electronic device 50 of the first preferred embodiment. The difference is that the two sides of the heat dissipation region (not shown) of the end plate 72 of the electronic device 70 are respectively provided with a hook. Not shown), not a card hole. In the second preferred embodiment, the first air guiding portion 61 is directly fixed to the end plate 72 of the electronic device 70 through a slot (not shown) on one end thereof and the pair of hooks. Thereby, the third air guiding portion 40 in the first preferred embodiment can be omitted.

In summary, the present invention has indeed met the requirements of the invention patent, and has filed a patent application according to law. However, the above description is only a preferred embodiment of the present invention, and it is not possible to limit the scope of the patent application of the present invention. Equivalent modifications or variations made by persons skilled in the art in light of the spirit of the invention are intended to be included within the scope of the following claims.

10‧‧‧wind hood

20‧‧‧First Air Guide

21‧‧‧ top wall

212‧‧‧ slotting

22‧‧‧ side wall

222‧‧‧ slotting

25‧‧‧ openings

30‧‧‧Second Air Guide

31‧‧‧ top board

312‧‧‧ hook

32‧‧‧ side panels

322‧‧‧ hook

33‧‧‧Snap Department

34‧‧‧Operation Department

341‧‧‧Handle

35‧‧‧ openings

40‧‧‧ Third Air Guide

41‧‧‧ top board

412‧‧‧ hook

413‧‧‧ card block

42‧‧‧ side panels

422‧‧‧ hook

423‧‧‧ hook

425‧‧‧Carmen

45‧‧‧ openings

50‧‧‧Electronic devices

51‧‧‧floor

53‧‧‧End board

531‧‧‧heating area

532‧‧‧ vents

533‧‧‧Kakong

535‧‧‧Fold

536‧‧ ‧Flap

54‧‧‧Circuit board

543‧‧‧ card slot

55‧‧‧heatsink

56‧‧‧Fan

Claims (8)

An air guiding cover includes a first air guiding portion and a second air guiding portion, wherein the first air guiding portion has elasticity and can be extended or contracted in a first direction, or may be along a second direction perpendicular to the first direction The direction of the first air guiding portion includes a rectangular top wall and two side walls extending downward from the opposite sides of the top wall and parallel to the first direction, the second air guiding portion including a top plate And a side plate extending downwardly from opposite sides of the top plate, wherein the top plate and the two side plates of the second air guiding portion are respectively connected to the top wall of the first air guiding portion and one end of the two side walls, the first guide The top wall of the wind portion and the two side walls are respectively provided with a slot at an end away from the second air guiding portion for engaging a hook on a corresponding end plate of an electronic device, and two of the second air guiding portion The inner side of the side panel is respectively provided with a latching portion for accommodating a corresponding heat sink of the electronic device, and the top wall of the first air guiding portion and the two side walls are respectively provided at an end adjacent to the second air guiding portion. a slot, the top plate of the second air guiding portion and the two side plates are respectively adjacent to the first air guiding portion There is a hook, the first air guiding portion interconnected with the second air guiding portion through such slot and hooks. The air hood of claim 1, wherein an outer side of each side plate of the second air guiding portion is provided with an operating portion, and the operating portions of the two side plates are outwardly pulled to elastically deform the two side plates outward. . The air hood of claim 2, wherein a handle is disposed at an end of each of the operating portions away from the corresponding side plate. An air guiding cover includes a first air guiding portion, a second air guiding portion and a third air guiding portion, each of which is connected to the second air guiding portion and the first air guiding portion Third guide Between the wind portions, the first air guiding portion has elasticity, can be stretched and contracted in a first direction, or can be twisted and deformed in a second direction perpendicular to the first direction, and the inner sides of the second air guiding portion Each of the third air guiding portion is disposed at a distal end of the third air guiding portion and is provided with a latching mechanism for engaging a corresponding end plate of an electronic device. The third air guiding portion includes a top plate and two side plates respectively extending downward from opposite sides of the top plate, the latching mechanism including a wedge-shaped card protruding from the top plate away from the first air guiding portion Piece. The air hood of claim 4, wherein the buckle mechanism further comprises two latches, wherein the two latches respectively extend from one end of the two side plates away from the first air guiding portion. The windshield of claim 4, wherein a bottom of each side plate extends downwardly with a hook for engaging in a corresponding card slot of a circuit board of the electronic device. The air hood of claim 4, wherein the first air guiding portion comprises a rectangular top wall and two parallel extending from opposite sides of the top wall, respectively, parallel to the first direction a side wall, the second air guiding portion includes a top plate and two side plates respectively extending downward from opposite sides of the top plate, and a top slot is formed at a position adjacent to the top wall and the two side walls of the first air guiding portion. The second air guiding portion and the top and side plates of the third air guiding portion are respectively disposed with a hook adjacent to the first air guiding portion, the first air guiding portion and the second air guiding portion and the third air guiding portion The portions are connected to the hooks through the slots. The air hood of the seventh aspect of the invention, wherein the buckle portion of the second air guiding portion is respectively disposed on an inner side of the two side plates, and an outer side of each side plate of the second air guiding portion is provided with an operation portion Pulling the operating portions of the two side plates outwardly can elastically deform the two side plates outward.