TWM243852U - Airflow guiding structure for a heat dissipating fan - Google Patents

Description

M243852 V. Creative Instructions (l) [Technical Field to which the New Type belongs] The tif is about the air guide structure of the air outlet of a cooling fan, especially about the opening of the opening of the cooling fan to form a thin channel and the ancient μ line. The secretion n ^ η and 丄 ^ form a number of deflectors to guide airflow, increase air pressure, and reduce airflow noise at the air outlet. [Previous technology] Xi: = fan, shell structure 'such as As shown in FIG. I, it includes a casing, an air inlet 11, an air outlet 12, a base 13, and a plurality of ribs 14a. The air inlet u and the air outlet are formed on two sides of the casing 10. The base 13 is firmly formed at the air outlet of the casing 10 by the ribs 14a for: setting a certain + [not shown] and a combination-fan wheel [not shown]. By this means, when the fan wheel is running, the cooling fan can suck airflow from the air inlet u and exhaust 12 through the air outlet ψ, and vu 1 ^ μ ^ ^ ^ 1 The objects to be dissipated (such as fins or CPU) are dissipated. Household =; The hot fan does have a casual operation, but this San 4 丨 S # 山 y, mouth ° wai 脰 脰 1 0 axis and discharged through the air outlet 1 2 'so as to be directly below the air outlet 12 Perform dismissal. However, if the object to be dissipated is not located at the positive & of the air outlet 12, then the object to be dissipated will not be able to receive most p = 1 5 & ^ ^ ^ l The effect of Chengzheng's thermal unevenness affects the actual heat dissipation effect. Another + the object to be dissipated due to the limited assembly space [such as: can be selected; fit under the base 13 or the air outlet 12: Xibuweiri Temple, Or when the object to be dissipated has an age of 10 feet and # 11 inches and cannot be located directly below the cooling fan, it will seriously affect the actual cooling efficiency. Moreover, when the air flow passes through the purlin 14a, it is also easy to accompany the formation of turbulence or turbulence.

M243852 V. Creation instructions (2) and generate noise and reduce heat dissipation efficiency. There is a bell here, this work only changes the air outlet to form a number of diversion #, ^ ^ ^, eight series are arranged outside the cooling fan, and the guide i L deflector sheet is formed in a predetermined direction isotropic 邋, ， Y π pieces form a tilt with respect to the axial direction of the air outlet, @this 嗲 deflector can guide the airflow δ only ^ * Μ obliquely, so it can actually guide the airflow ::::: 政 热Bit Γθ, this work does have a margin. Design for improving thermal efficiency and increasing assembly [New content] Its department: ΐ i ί ::: Provides a kind of cooling structure for the air outlet of a cooling fan, arranged and shaped: inclined; ::: several deflectors: the The deflector is the effect of isotropic heat dissipation efficiency. The work has the guiding airflow direction and the overall improvement. ϊ: m ::: Provide-a type of cooling structure for the air outlet of the cooling fan. The position of the cooling object is selected into a plurality of deflectors. The cooling fan can be < The arrangement direction of the heat-dissipating objects into the film, so as to concentrate the thermal efficiency of the airflow and increase the heat dissipation of the assembly, so that this creation has the effect of improving the overall bulk creation of another @ 系 提 = f. It is located at the air outlet of the cooling fan. ^ Two types of air guide structure of the air outlet of the cooling fan are arranged, and the cross-section is formed into three deflectors. The deflectors are used to increase the overall heat dissipation efficiency. The shape makes the creation increase the wind pressure and the purpose of the creation of the book is to mention one of the two ducts which are connected to the air outlet of the cooling fans. Ling film, the deflector film is formed in the direction of Ding page and the bottom end near the air outlet side to form a circle. V. Creation instructions (3) ^ ------ ------- 5 The two works have the effect of reducing wind-cutting voice and improving the overall purpose of this work. Another purpose of this work is to create a raft. 1) It is a branch of a kind of cooling structure of the air outlet of a cooling fan. The open-air shape r forms several deflectors, which is extremely effective. This creation has the function of increasing the added value of the cooling fan Fan: f ^ :: The air guide structure of the fan's air outlet, which is used to dissipate heat to form a base and several air guides. The base is supported by the deflector. The deflector is listed in the air outlet according to the direction of the airflow, and is opposite to the axial shape of the air outlet

Relative force = When the feather wheel is running, the deflector can guide the airflow and increase the wind pressure relatively. I [Implementation] In order to make the above creation # 4 / indeed won *, the following will be described in detail in the following: i.:, Other objectives, features, and advantages can be described in detail below: the preferred embodiment of this creation 'In conjunction with the attached drawings, the figure: * Figure_Reveal the air duct of the cooling fan of the first embodiment—2 !: Figure 3 reveals the worm hole V of the cooling fan of the first embodiment of this creation Institution & Top View; Figure 4

Figure ^ of the figure: Figure 5 reveals the heat sink of the second embodiment of this creative A: ¥ cross-section view of the structure; Figure 5A reveals a partially enlarged view of Figure 5 of the creative, and Figure 6 reveals Taiming 丨 Cross-section view of V / melon structure of the cooling fan's air outlet of the three-man example of the author and the author; Figure 7

C: \ Logo-5 \ Five Continents \ PK9262M.ptd

Page 8 M243852 V. Creation instructions (4) Three-dimensional view of the air guide structure of the air outlet of the hot fan; The air guide structure of the air outlet of the cooling fan, and the heat sink are shown in this work. Fan out = mouth, pictures; Figure 9 reveals and Figure 10 reveals the perspective view of the fifth embodiment of the creation "L structure ^^, to create a top view. The heat-dissipating structure of the fan outlet of the political heat fan creates heat dissipation The structure of the housing of the conventional cooling fan for the guide structure of the fan's air outlet is shown in Figure 1. Because the / damaged component is the same as the same figure, its structure and function are no longer the same. Please refer to Figures 2 to 4. As shown, the original 4 = description. The air duct deflection structure includes-the shell 10, = the out of the cooling fan, 0 the air duct 11, the air duct 12, the base 13, the several deflectors 14. And one side i. Can be made of plastic or metal. 〇〇11 and outlet two are formed on both sides of the casing 10. The base 13 is located on the air outlet 12 side of the casing 10 for capacity Place a fan 20 [as shown in FIG. 4]. ^ The deflector i 4 is arranged in an equal direction in a predetermined direction on the air outlet ^ side of the casing. The flow deflector 14 can be connected between the housing 丨 0 and the base 丨 3 to support the base 13. The flow deflector 14 is preferably a grid structure arranged in a straight line in an isotropic direction. And the deflector 14 is inclined relative to the axial direction of the air outlet 12 of the cooling fan. The inclination angle of each deflector 14 can be selected to be the same or different. The side air outlet 1 0 1 is formed by the shell. The body 10 is formed on the gambling surface of the casing, and the side air outlet 10 can make the air flow out of the casing 10 more smoothly along the inclination of the deflector 14. Please refer to again FIG. 4 shows a schematic diagram of the movement of the air guide 14 of the first embodiment of the present invention to guide the air flow. When the fan wheel 20 is operating, the fan wheel

M243852 V. Creation instructions (5) The blades 2 1 of 2 0 can draw in airflow through the air inlet 11 of the casing 10 and let the air flow be discharged from the air outlet 12 in order to dissipate an object to be dissipated (not shown) , Such as heat sink fins or central processing units] for heat dissipation. At this time, 'the airflow will pass through the deflector 14 of the air outlet 12, because the deflector 14 is inclined with respect to the axial direction of the air outlet 12 of the cooling fan, so the deflector 14 can be smooth ~ The guiding airflow is discharged from the air outlet 12 and the side air outlet 10, and flows in a predetermined direction. Therefore, the deflector 14 can relatively increase the heat dissipation efficiency of the heat dissipation fan to the object to be dissipated in a predetermined position. In particular, when the cooling fan is used in a limited assembly space (such as in a notebook computer) and the assembly space is not suitable for a blower type fan, the deflectors 14 of the fan can more surely flow the air b. Guide to the object to be dissipated that is not directly below the air outlet 12 or make the cooling fan suitable for dissipating heat in a specific direction for a large-sized object to be dissipated. Furthermore, as shown in FIG. 4, since the casing 10 forms the side air outlet / 1 〇1, it is possible to prevent airflow from touching the casing ^ when the casing 10 is obliquely discharged from the casing 10, so that Reduce the chance of turbulence and turbulence, and then relatively reduce wind-cut noise. In addition, the deflector i 4 forms a linear grid structure, which can also beautify and decorate the cooling fan relatively, and relatively increase the added value of the cooling fan.凊 Referring again to Figures 5 and 5A, it reveals the air guide structure of the ventilating fan of the wounded and underheated fan according to the second embodiment of the present invention. Compared with the first embodiment, the deflectors 14 of the second embodiment further form two arc-shaped deflectors 141 and 142 at the top end near the air inlet side and the bottom end near the air outlet side. As a result, airflow will flow more smoothly through the deflectors 14 to further reduce the chance of wind-cut voices.

C: \ Logo-5 \ Five Continents \ PK9262M.ptd M243852

rate. Please refer to Figure 6 again for the air guide structure of the fan outlet. Compared with the first and second embodiments, the first: the political flow: the J flow two is not only inclined with respect to the axial direction of the air outlet 12 but also formed a v-shaped cross section. In this way, in addition to being able to guide the airflow in a predetermined direction, the baffle baffle 14 can also be used: ::: The cross-sectional area of the air outlet side of the air outlet 12 is reduced to relatively increase the angle; Please reheat the fan to make the embodiment, the flow piece 1 4 the deflector decoration should be made of the cooling fan embodiment, the same piece 1 4 should also be the deflector decoration made of the powder. Please refer to Figures 7 and 8 separately. It reveals the structure of this creation. Compared with the first to third embodiments, the μ-th V μ sheet 1 4 series is arranged in an isotropic arrangement to form a circular arc-shaped grid structure, and the side air outlet 1 0 1 correspondingly forms a circular arc. In this way, the guide can guide the air flow in the wood more smoothly and reduce wind-cut noise. In addition, the sheets 14 form a circular arc-shaped grid structure, which can also beautify the thermal fan relatively, and relatively increase the added value of the thermal fan. : As shown in Figures 9 and 10 of Cang Zhao, it reveals the 导 mouth diversion structure of the fifth embodiment of this creation. Compared with the first to fourth embodiments, when the fifth deflector 14 is further arranged in an isotropic arrangement to form an inverted v-shaped grid structure, the side air outlet 1 01 also corresponds to an inverted V shape. As a result, the diversion can guide the airflow more smoothly and reduce wind-cut noise. In addition, the sheets 14 form a circular arc-shaped grid-like structure, which also relatively enhances the added value of the heat-dissipating fan by relatively beautifying and installing the fan. ’As shown in Figures 2 to 10, this creative system can guide the airflow through several deflectors 1 4’, and the number, tilt direction, and inclination of the deflector 1 $

C: \ Logo-5 \ FiveContinents \ PK9262M.ptd ^ _ brother page 11 M243852 V. Creation Instructions (7) The size can be based on the thermal fins] Therefore, it can also cause shortcomings such as turbulent pressure as described above. The drawn air flowing in the direction flows to the assembly design. Although the original creation of this original creation, within the scope, when the Dangwei see attached

The inclination angle of the blades 21 of the fan wheel 20 and the objects to be dissipated [such as the size, installation position, shape, and heat dissipation requirements are changed ", which increases the margin for assembly and design. 'Compared to the conventional cooling fan in Figure 1 at the air outlet, turbulent flow and unable to direct the air flow to a specific direction or increase the wind. The original creation of Figure 2 can be done by setting several guides in the air outlet 129 The flow sheet 14 makes the air outlet 12 of the cooling fan have the functions of guiding, concentrating the air flow, increasing the wind pressure, reducing the wind-cut noise and increasing the degree. The work has been disclosed in the foregoing preferred embodiment, but it is not intended to limit the skill of those skilled in the art, without departing from the spirit of the creation and making various changes and modifications. Therefore, the scope of patent protection for this creation is defined Whichever comes first.

M243852 Schematic illustration [Schematic description] Figure 1: A perspective view of the housing structure of a conventional cooling fan. Figure 2: A perspective view of the air guide structure of the air outlet of the cooling fan in the first embodiment of the present invention. Figure 3: The top view of the air guide structure of the air outlet of the cooling fan in the first embodiment of this creation. Figure 4: A cross-sectional view taken along line A-A in Figure 3. Fig. 5: A cross-sectional view of the air-guiding structure of the air outlet of the cooling fan according to the second embodiment of the present invention. Figure 5A: Partially enlarged view of Figure 5 of this creation. Fig. 6: A sectional view of the air guide structure of the air outlet of the cooling fan in the third embodiment of the present invention. Fig. 7: A perspective view of the airflow diversion of a cooling fan of the fourth embodiment of this creation. Fig. 8: A top view of the air guide structure of the air outlet of the cooling fan in the fourth embodiment of this creation. Fig. 9: A perspective view of the air-guiding structure of the air outlet of the cooling fan in the fifth embodiment of the present invention. Fig. 10: A top view of the air guide structure of the air outlet of the cooling fan in the fifth embodiment of the present invention. Description of drawing number: 10 casing 12 air outlet 1 4 1 air guide 101 air outlet 13 base 1 4 2 air guide 11 air inlet 14 air guide 1 4 a rib

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Claims (1)

M243852 Scope of Six-Application Patent—An air-guiding structure for the air outlet of a heat-radiating fan, which includes., Seat, which is located in one of the shells of the cooling fan, Zhao Pzai-fan wheel, which has several blades , And, and-a flow piece, which is provided at the air outlet of the casing, 'the page is aligned at the air outlet, and is inclined at an angle relative to the x-membrane, at the axis of the fan wheel's operating opening Direction, flow, and relative increase in fate. This machine can guide the air flow. The cooling fan opening described in the above item, wherein the deflector is isotropic in the predetermined direction = :: = According to the first item of the patent scope, the air outlet of the cooling fan, and the wall surface of the casing are extended in another shape. The structure of the air outlet can make the air flow more along the air baffle to produce an air outlet. The side exits from the housing of the cooling fan according to item 1 of the patent scope. ′ Wherein the deflectors are arranged in an isotropic arrangement in a straight direction, the airflow guides ^ s, according to: the first in the patent scope, the cooling fan structure.由 The protective deflectors and the deflectors are arranged in an arc in the same direction: mouth deflector structure U-shaped structure of the cooling fan described in item 1 of the patent scope. 2 Rong deflectors are arranged in an inverted v-shaped phase ^ mouth deflector structure. ^ Please refer to the ^^ structure described in the scope of the patent. , Where the deflector is a deflector in the C diversion structure near the air inlet side. The bead is formed in an arc shape. According to the cooling fan out n, 1, 4 in the scope of the patent application, the g deflector is located near the air outlet side and the two D deflector structures. _ The bottom is formed in an arc shape. M243852 6. Scope of patent application 1. Diversion department. 9. The air guide structure of the air outlet of the cooling fan according to item 1 of the scope of the patent application, wherein the air guide sheet forms a triangular cross section. 10. The air guide structure of the air outlet of the cooling fan according to item 1 of the scope of the patent application, wherein the inclination angle of each air guide plate is the same. 11. According to the air-guiding structure of the air outlet of the cooling fan according to item 1 of the scope of the patent application, the inclination angle of each deflector is different. 1 2. According to the air-guiding structure of the air outlet of the cooling fan according to item 1 of the patent application scope, wherein the base is supported by a part of the deflector and connected to the casing. II C: \ Logo-5 \ Five Continents \ PK9262M.ptd page 15