TWI756961B - Fan frame and the array thereof - Google Patents

Abstract

A fan frame and the array thereof are disclosed. The fan frame includes a frame body with an outer frame surface and an inner frame surface, the outer frame surface is hexagonal, and the inner frame surface is circular; and a fan base connected to the frame body by a plurality of connecting elements. In this way, the fan frame's material can be reduced under the condition of providing the same flow area. Alternatively, it can increase the flow area while occupying the same physical space.

Description

Fan frame and its array

This creation is about a fan frame, especially a fan frame and an array thereof.

In order to cool the components in modern computers and servers, fans are used to exhaust the hot air and direct the cold air into the computer. If the fan is connected to the component, it is generally combined with a heat sink to increase the heat dissipation effect.

FIG. 1 is a plan view of a conventional fan frame. The frame body (90) has a structure of an outer square and an inner circle, and generally has screw holes (93) for connecting with other components.

However, with the increasing computing performance and increasing heat generation, a single fan can no longer meet the current demand, so it is conventional to use a combination of multiple fan arrays to meet the cooling demand, especially when it is used in servers.

FIG. 2 is a plan view of a conventional fan frame after the fan frame is arrayed, which can improve the heat dissipation capacity.

However, in order to cope with the miniaturization of the electronic industry, as well as to protect the environment and save costs, how to reduce the materials used for the fan frame is one of the research directions. Furthermore, in order to meet the increasingly high heat dissipation requirements of electronic devices, how to improve the heat dissipation capability of the fan unit is another research and development direction.

Increasing the speed is also one of the research and development directions, but increasing the speed will reduce the durability of the conventional fan frame and cause noise problems.

Accordingly, in order to solve the above and other problems, the present invention will improve the conventional fan frame.

One purpose of this creation is to provide a fan frame and its array, which can save materials.

Another objective of the present invention is to provide a fan frame and its array, which can increase the air volume.

Another objective of the present invention is to provide a fan frame and its array, which can increase durability.

Another objective of this creation is to provide a fan frame and its array, which can withstand higher motor rotation speeds under the same durability conditions.

Another objective of the present invention is to provide a fan frame and an array thereof, which can reduce operating noise.

Another purpose of this creation is to provide a fan frame and its array, which can reduce the material usage under the condition of providing the same area of the air outlet.

Another objective of the present invention is to provide a fan frame and its array, which can increase the area of the tuyere while occupying the same area.

Another object of the present invention is to provide a fan frame and its array, which have an advanced structure and are compatible with conventional applications.

In order to achieve the above and other purposes, the present invention provides a fan frame with an air inlet side and an air outlet side. The fan frame includes: a frame body with an outer frame edge and an inner frame edge, the fan frame having an outer frame edge and an inner frame edge. The outer frame edge is hexagonal, the inner frame edge is circular, and the size of the outer frame edge (11) is the same as that of the air inlet side and the air outlet side, and the size of the inner frame edge (12) is larger than the size of the air inlet side and the air outlet side. The air inlet side and the air outlet side are the same; and a fan base is connected to the frame body by a plurality of connecting elements.

In one embodiment, the outer frame edge is a regular hexagon, and the inner frame edge is a perfect circle.

In one embodiment, the fan further includes a frame connecting member which is detachably connected to the outer frame edge, and the fan frame connecting member is an isosceles triangle with sides having two equal lengths.

In one embodiment, the sides have an included angle of 60 degrees or 120 degrees.

In one embodiment, the fan further includes an auxiliary fan frame connecting member which is detachably connected to the outer frame edge, and the auxiliary fan frame connecting member is in a diamond shape.

In one embodiment, the auxiliary frame connecting member has two included angles of 60 degrees and two included angles of 120 degrees.

In one embodiment, the fan further includes a peripheral fan frame connecting member detachably connected to the outer frame edge, and the peripheral fan frame connecting member is a right-angled triangle with an included angle of 60 degrees and an included angle of 30 degrees.

In one embodiment, the peripheral frame connecting member has a locking hole.

In one embodiment, the number of the plurality of fan base connectors is six, and the extension lines thereof are respectively directed to the six corners of the hexagon of the outer frame edge.

Another embodiment of the present invention provides a fan frame array, which includes a plurality of fan frames, and one of the outer frame edges of each of the fan frames is detachably connected to one of the outer frame edges of the other fan frame.

In an embodiment of a fan frame array, the number of the fan frames is seven, and each of the outer frame edges of one of the fan frames is detachably connected to one of the outer frame edges of different fan frames, respectively. .

(10): Frame

(11): Outer frame edge

(12): Inner frame edge

(20): Fan base

(30): fan base connector

(40): Sector frame connector

(40a): Sector frame connector

(40b): Sector frame connector

(40c): Sector frame connector

(41): side

(50): Auxiliary Sector Frame Connector

(50a): Auxiliary sector frame connector

(60): Angle

(60a): Angle

(61): Angle

(61a): Angle

(62): Angle

(62a): Angle

(70): peripheral sector frame connector

(71): Angle

(72): Angle

(73): Locking hole

(80): Outer frame for comparison

(90): Frame

(93): Screw holes

The embodiment of this creation is described with the following brief description in conjunction with the drawings: Fig. 1 is a plan view of a conventional fan frame; Fig. 2 is a plan view of a conventional fan frame after arraying; Fig. 3 is an implementation of this creation 4 is a perspective view of the fan frame of an embodiment of the present creation; FIG. 5 is a schematic diagram of the overlapping of the fan frame of an embodiment of the present creation and the conventional fan frame of FIG. 1; FIG. 6 is the creation of the present invention. Figure 7 is a front view of the fan frame of an embodiment of the present invention; Figure 8 is a front view of the fan frame of an embodiment of the present invention; Figure 9 It is a front view of the fan frame of an embodiment of the present creation; Figure 10 is a front view of the fan frame of an embodiment of the present creation; Figure 11 is a front view of the fan frame of an embodiment of the present creation; Figure 12 is an embodiment of the present creation. Front view of an example fan frame array.

In order to make the above-mentioned and other purposes, functions, and features of the present creation more clearly understood, preferred embodiments are exemplified below, and are described in detail with reference to the accompanying drawings. The drawings are not necessarily to scale and are provided only to illustrate the embodiments.

FIG. 3 shows a front view of a fan frame according to an embodiment of the present invention. FIG. 4 shows a perspective view of a fan frame according to an embodiment of the present invention. Please refer to FIG. 3 and FIG. 4 , in one embodiment, the fan of the present creation The frame may include a frame body (10) and a fan seat (20). The frame body (10) can have an outer frame edge (11) and an inner frame edge (12). The outer frame edge (11) may be hexagonal, and the inner frame edge (12) may be circular. The fan base (20) can be connected to the frame body (10) by a plurality of fan base connecting pieces (30).

The fan base (20) can be used to combine and carry fan structures such as a stator, a fan wheel, and a fan blade to form a complete fan, which will not be repeated here.

The fan base connector (30) may be a fan structure such as a rib, a stationary blade, a guide vane, etc., so as to increase the flow rate, and details are not described here.

In one embodiment, the outer frame edge (11) may be a regular hexagon, and the inner frame edge (12) may be a perfect circle. Thereby, a fan frame with a more stable mechanical structure is provided.

In one embodiment, the number of the plurality of sash connectors (30) is six, and the extension lines thereof are respectively directed to the six corners of the hexagon of the outer frame edge (11).

In terms of mechanics, hexagons are the basis of the honeycomb structure. A regular hexagon composed of six regular triangles has better structural rigidity and strength. At this time, the stacking area is the largest, and the edge-to-edge closeness is the best. Compared with the conventional quadrilateral, the amount of ventilation that can be generated per unit area of the hexagon is relatively increased.

Comparing the conventional quadrilateral and the hexagonal fan frame of this embodiment, the simulation test of the resonance frequency is shown in Table 1 below:

A higher resonant frequency means that the fan frame can withstand a higher motor speed. Accordingly, the fan frame of the embodiment of the present invention can have better durability.

In the following, for convenience of description, components such as the fan base (20) and the fan base connector (30) may be omitted from the illustration.

5 is a schematic diagram showing the overlapping of the fan frame of the first embodiment of the present invention and the conventional fan frame of FIG. 1 , the fan frame of the present invention is shown in solid lines, and the conventional fan frame in FIG. 1 is shown in dotted lines, and the fan base ( 20), a connecting element (30). Please refer to FIG. 5 , under the condition of the same tuyere area, the cross-sectional area of the outer frame of the conventional fan frame in FIG. 1 is about 465.9 square units, and the cross-sectional area of the outer frame of the fan frame of the present invention is about 251.5 square units. In comparison, the cross-sectional area of the frame body of the fan frame of the present invention is reduced by about 46%. This is equivalent to saving 46% of materials, while providing the same tuyere area.

FIG. 6 is a schematic diagram showing the overlapping of the fan frame of the first embodiment of the present invention and the conventional fan frame of FIG. 2 , the fan frame of the present invention is shown in solid lines, the conventional fan frame in FIG. 2 is shown in dotted lines, and the outer frame is used for comparison (80) is shown as a dotted chain line. Please refer to FIG. 6 , under the same conditions of the area of the outer frame ( 80 ) for comparison, the tuyere area of the conventional fan frame in FIG. 2 is about 4536.5 square units, and the tuyere area of the fan frame of the present invention is about 5340.1 square units . After comparison, the area of the tuyere in this creative example is increased by about 17.7%. It is equivalent to increasing the air volume by 17.7% under the condition that the fan occupies the same area.

FIG. 7 shows a front view of a fan frame according to an embodiment of the present invention. Please refer to FIG. 7. In one embodiment, the fan frame of the present invention may further include a frame connecting member (40), which can be detachably connected to the outer frame. Frame edge (11). The sash frame connecting member (40) can be in the shape of an isosceles triangle, and can have sides (41) with two equal lengths. In this embodiment, the side edge (41) may include an included angle (60) of 60 degrees.

FIG. 8 shows a front view of a fan frame according to an embodiment of the present invention. Please refer to FIG. 8 , in one embodiment, the fan frame of the present invention may further include a frame connecting member ( 40 a ), which is detachably connected to the outer frame edge ( 11 ). The sash frame connecting member (40a) can be in the shape of an isosceles triangle, and can have two sides (41a) of equal length. In this embodiment, the side edge (41a) may include an included angle (60a) of 120 degrees.

FIG. 9 shows a front view of a fan frame according to an embodiment of the present invention. Referring to FIG. 9 , in one embodiment, the fan frame of the present invention may further include a fan frame connecting member (40b) and an auxiliary fan frame connecting member (50). The sash frame connector (40b) and the auxiliary sash frame connector (50) are detachably connected to the outer frame edge (11). The auxiliary sector frame connecting member (50) can be in the shape of a rhombus. In this embodiment, the auxiliary frame connecting member (50) has two included angles (61) of 60 degrees and two included angles (62) of 120 degrees.

FIG. 10 shows a front view of a fan frame according to an embodiment of the present invention. Please refer to FIG. 10 , in one embodiment, the fan frame of the present invention may further include a fan frame connecting member (40c) and an auxiliary fan frame connecting member (50a). The auxiliary sector frame connecting piece (50a) can be in the shape of a rhombus. In this embodiment, the auxiliary frame connecting member (50a) has two included angles (61a) of 120 degrees and two included angles (62a) of 60 degrees.

FIG. 11 shows a front view of a fan frame according to an embodiment of the present invention. Please refer to FIG. 11 , in one embodiment, the fan frame of the present invention may further include a peripheral frame connecting member (70). The peripheral sector frame connecting piece (70) is detachably connected to the outer frame edge (11). The peripheral sector frame connecting member (70) can be in the form of a right-angled triangle with an included angle (71) of 60 degrees and an included angle (72) of 30 degrees.

In one embodiment, the peripheral frame connecting member (70) may have a locking hole (73). In this way, the fan frame of the present inventive embodiment can be matched with conventional electronic components that require screw locking. That is, the peripheral fan frame connecting member (70) is fastened by screws, and the fan frame of the present invention is tightly fitted therein.

In one embodiment, the sash frame connectors (40, 40a, 40b, 40c), the auxiliary sash frame connectors (50, 50a), and the peripheral sash frame connectors (70) can be made of slightly elastic hard materials. In this way, each connector can be tightly fitted between each fan frame, providing a more stable fixing effect of the fan frame array.

In addition, if the tight fit is used, in addition to the possibility of omitting the screws, the fan at this time may also be replaced by a removable type, which improves the convenience of maintenance.

In one embodiment, the sash frame connectors (40, 40a, 40b, 40c), the auxiliary sash frame connectors (50, 50a), and the peripheral sash frame connectors (70) may be sound absorbing materials. In this way, in addition to fixing the fan, the anti-vibration capability of the fan can also be improved and the operating noise can be reduced. At this time, the fan can maintain the original removable replacement.

FIG. 12 is a front view of a fan frame array according to an embodiment of the present invention. Please refer to FIG. 12 , in one embodiment, the present invention further discloses a fan frame array including a plurality of fan frames (10), one of the outer frame edges of each of the fan frames and the other of the fan frames One of the outer frame edges is detachably connected.

Additionally, Figure 8 also illustrates a fan frame array possibility. In the embodiment of FIG. 8 , the number of fan frames in the fan frame array is three, and the left and right outer frame edges of the central fan frame are detachably connected to the left and right outer frame edges of different fan frames. Thereby, the present embodiment can provide long electronic component loading such as a display card.

In one embodiment, the number of fan frames in the fan frame array is seven, and each of the outer frame edges of one fan frame is detachably connected to one of the outer frame edges of different fan frames, respectively. . In other words, the fan frame in the center has six different outer frame edges, each It is in contact with one of the outer frame edges of different fan frames around it to be detachably connected. For example, the combination shown in FIG. 12 . Thereby, the present embodiment can provide a larger tuyere area per unit area.

The present invention has been disclosed by the above-mentioned preferred embodiments, but it is not intended to limit the present invention. Those skilled in the art to which the present creation pertains will clearly understand that the present creation is not limited to the details of the above-described illustrative embodiments. The embodiments are only to illustrate the present creation, but not to limit the present creation. The present creation is based on the scope of the patent application, rather than the above description. The text of the scope of the patent application and its equivalent scope belong to the scope of the patent right of this creation.

(10): Frame

(11): Outer frame edge

(12): Inner frame edge

(20): Fan base

(30): fan base connector

Claims (9)

A fan frame, having an air inlet side and an air outlet side, comprising: a frame body (10) having an outer frame edge (11) and an inner frame edge (12), the outer frame edge (11) being a straight Hexagonal shape, the inner frame edge (12) is a perfect circle, and the size of the outer frame edge (11) is the same as that of the air inlet side and the air outlet side, and the size of the inner frame edge (12) is larger than the air inlet side. The wind side is the same as the air outlet side; a fan base (20) is connected to the frame body (10) by a plurality of fan base connecting pieces (30); and a fan frame connecting piece (40) is detachably connected to the frame body (10) The outer frame edge (11), the fan frame connecting piece (40) is an isosceles triangle, and has two sides (41) of equal length. The fan frame of claim 1, wherein the two side edges (41) form an included angle (60) of 60 degrees, or an included angle (60a) of 120 degrees. The fan frame of claim 1, further comprising an auxiliary fan frame connecting piece (50) for detachably connecting the outer frame edge (11), and the auxiliary fan frame connecting piece (50) is diamond-shaped. The fan frame of claim 3, wherein the auxiliary fan frame connecting member (50) has two included angles (61) of 60 degrees and two included angles (62) of 120 degrees. The fan frame of claim 1, further comprising a peripheral fan frame connecting piece (70) for detachably connecting the outer frame edge (11), the peripheral fan frame connecting piece (70) being a right-angled triangle, It has a 60-degree included angle (71) and a 30-degree included angle (72). The fan frame of claim 5, wherein the peripheral frame connecting member (70) has a locking hole (73). The fan frame of claim 1, wherein the number of the plurality of fan base connectors (30) is six, and the extension lines thereof respectively point to the six corners of the hexagon of the outer frame edge (11). A fan frame array includes a plurality of fan frames as claimed in claim 1, wherein one of the outer frame edges of each fan frame is detachably connected to one of the outer frame edges of the other fan frame. The fan frame array of claim 8, wherein the number of the fan frames is seven, and each of the outer frame edges of one of the fan frames is detachable from one of the outer frame edges of the different fan frames, respectively connect.

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