TWM250230U - Wind-blocking ring body structure of centrifugal type heat dissipation fan - Google Patents

Description

M250230 IV. Creation Instructions (l) '' — "-[Technical Field] f creation is related to _ a kind of centrifugal cooling fan structure, especially a lateral direction of the blade of the rotating impeller corresponding to the end edge of the air inlet of the casing Office 9 # Innovative structural space type with windshield ring body. [Previous technology] "-杜 ί 勒 ί * Fans are widely used in various kinds of computer equipment. The role of internal electronics is even more concerned about the extreme performance of this LU fan. I ^ How to make it Ask the question at the lowest cost; relevant knowledge of distraction = the relevant industry continually ponders the improvement of the lesson 13 shown in the diagram, the wind: the problem of the fan structure, please refer to the first) Although the blade (41) ^ 40 At the time of turning, the external hot air flow (51 inside the housing (43) makes the way. The air inlet (42) is introduced into the rotating flow of the cooling fan. 2 hot air flows (51) follow the blades (41) Lack of measures to prevent insufficiency, ministry wide: f:: 4 1) · between the air inlets (42) 42) re-bubble, return flow; 'two, (outlet): mainly from the air inlet (good heat removal) Effectiver. The heat radiation fan ca n’t be obtained any more, how to develop a kind of more reasonable ;: JJ heat: the problem of the fan, and then improve the breakthrough. W only, of, Cat-type structure, which is yet to be solved by the industry [new content] Technical problems to be solved Gas = twenty dialogue Chiba Valley Yi fan of re-Yau air inlet and have no access to reflux

Page 5 M250230 Package, creation instructions (2) Improve the problem of the best heat removal performance. Technical features for solving the problem: The cooling fan is provided with a housing, and the carcass is preset with an air inlet and an air outlet; the hub of the housing is provided with a rotation ^ 1 = to form a spaced-apart ring blade around the rotating impeller, and these blades No. 1: It is opposite to the air inlet of the casing; its technical characteristics are: the rotation of the second and second blades: the side of the blade corresponding to the air inlet of the casing is provided with a windshield; the wind ring system is a ring-shaped body But the cross-section type is not limited, and its ^ = i ~ 福 and the end edge of the air inlet have a ring-shaped corresponding relationship-the blades and the 'the body's air inlet end edge can also be opened and closed, facing the windshield ring body. Yuan Yuancheng has a ring-shaped zigzag edge portion, and the wind-blown clothing body is disposed at the inner or outer position of the edge. τΤ corresponds to the effect of the shell air inlet end compared with the previous technology: 1 · Provide an innovative cooling fan with a wind shield ring at the blade edge of the rotating impeller ~ housing, air outlet end 2. Borrow the wind shield The setting of the ring body can be ^ ... feather, 纟 σ configuration sad person. Generate a kind of blocking and reverse effect, reduce the airflow inhaled by the air inlet + to improve the heat dissipation effect of the cooling fan], _, _, the phenomenon of backflow, [implementation mode] In order to make the review committee have a better understanding of this creation and Recognition, features, and effects can be described as follows: Match 5 [Simplified illustration of the diagram] First of all, please cooperate with # heart-type cooling fan of the wind ring body structure shown in each ^ picture 'is the original creative Κ & Example 'The cooling fan is

Page 6 m M250230 Fourth, creation instructions (3) a casing (10), the casing (10) is preset with an air inlet (11) (12) and an air outlet (13); the casing (10) center group There is a rotating impeller (20) 'The periphery of the rotating impeller (20) has a spaced-apart row of blades (2 1), and the lateral sides of the blades (2 1) are exactly at the air inlet (ii) of the casing (i 〇). (1 2) Relative position (the air inlet of the casing can be a single or bidirectional air inlet structure); it is characterized in that: the blades (21) of the rotary impeller (20) enter the corresponding casing (1) side A windshield ring body (30) is further provided at the end edge of the tuyere (11). The windshield soil body (30) can be integrally formed with each blade (21), and the windshield ring body (30) is A ring-shaped body, but the cross-section type is not limited, and it connects each blade (2i) and has a relationship corresponding to the end edge of the air inlet (11) in a ring shape. Wherein, the section of the windshield ring body (30) can be a zigzag shape (as shown in FIG. 4), which has a vertical torus (3!) And a transverse torus ( 3 2); in this embodiment, as shown in FIG. 5, the lateral torus (32β) can be further extended to the lateral end of the blade (21). Wherein, an end of the air inlet (11) of the casing (10) may also be formed with a ring-shaped zigzag edge (1 4) facing the windshield ring body (30) (as shown in FIG. 4). ), And the type of the zigzag edge portion (14) can also have a variety of changes, in addition to a single side zigzag pattern as shown in FIG. 8, or the zigzag edge portion (1) shown in FIG. 9 4B) is an inverted L-shape and half covered with a wind-spreading body (30); or further, the folded edge portion (1 4 C) ′ shown in FIG. 10 is completely inverted-shaped Those who cover the form of the impact of the wind 〇), this type will be able to obtain excellent leakage prevention, 2 3 to prevent return

Page 7 M250230 3. Creation instructions (4) Stream effect. Among them, as shown in Fig. 6, the cross section of the wind-bearing ring body (30b) is also a rectangular shape. Wherein, as shown in FIG. 6, the setting position of the windshield ring body (30b) may correspond to the inner position of the end edge of the air inlet (11) of the casing (10). Among them, as shown in FIG. 7, the setting position of the windshield ring body (30c) may also correspond to the position outside the end edge of the air inlet (11) of the casing (10). Among them, as shown in FIG. 8, the blades (21) of the rotating impeller (20) may also be provided with air inlets (n) (12) on both sides corresponding to the casing (10) on both sides. Windshield ring body (301) (302); and the two sides of the air inlet Π1: can also be provided with an inwardly bent zigzag edge (14) (15) and the ring body (3 () 1) ( 3G2) counterpart.

Among them, this creation of the cooling fan ^ — A example ’, please refer to the long & type in Figures 3 '11, 12 and Figure 2

), The difference is shown in the 'its ΐίί blade (21), (21B) is the difference between its and the rotating impeller (Lei (21β "σ (21C), (22B) height difference. Wheel (20) Linking ribs (MA) [Effect description] The facts of this creative effect increase are as follows: 1. Provide a kind of wind-shield ring body with the wind impeller at the reed edge of the rotating impeller & Zhen 1 to the corresponding casing air inlet End 2 · The unique structure of the windshield ring body (30) = the fan structure type. It can be shown that the suction from the air inlet (1 丨), ..., design, as shown in Figure 3 to prevent the reverse effect, Indeed, the hot air flow (41) can be greatly reduced, resulting in a ...

$ 8 pages of M250230 4. Creation instructions (5) (as shown in Figure 3), that is, the introduced hot air flow (4 1) can be smoothly moved from the predetermined air outlet (1 1) with the rotation of the blades (2 1). 3) (as shown in Figure 2), which are discharged to improve the heat dissipation performance of the cooling fan. The new effects produced by this creation are as follows: The blades (21) of the rotating impeller (20) are connected by the connection of the windshield ring body (30), and a structural reinforcing effect can be obtained, which makes the blades more smoothly and smoothly when they rotate. Can reduce its noise.

Page 9 M250230 Schematic description of the diagram Figure 1: This is an exploded perspective view of this creation. Figure 2: The top plan view of this creation. Fig. 3 is a vertical sectional view of this creation. Fig. 4: Fig. 1 is a structural change example of this creation. Fig. 5: Fig. 2 is a structural change example of this creation. Fig. 6: Fig. 3 is a structural change example of this creation. Figure 7: Figure 4 of the structural change example of this creation. Fig. 8: Fig. 5 is a structural change example of this creation. Figure 9: Figure 6 of the structural change example of this creation.

FIG. 10: FIG. 7 of the structural change example of this creation. Fig. 11: Fig. 8 is a structural change example of this creation. Fig. 12: Fig. 9 is a structural change example of this creation. Figure 13: A schematic diagram of a conventional structure. [Description of component symbols] This creative part: Shell ----- (10) Air inlet (11) (12) Air outlet ---- (13) Zigzag edge --- (14) (14B) (14C)

Rotating impeller --- (20) blades --- (21) (21B) (21C) connecting ribs-(22A) (22B) windshield ring body --- (30) (30 1) ( 3 0 2) (3 0B) (30C) Vertical torus --- (31)

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Claims (1)

M250230 5. Scope of patent application / 1. A kind of windshield ring structure of a centrifugal cooling fan, the cooling fan has a housing, which is preset with an air inlet and an air outlet; in the housing: ~% turning impeller, The rotating impeller has spaced-apart rows of blades. The lateral sides of the blades are exactly opposite to the air inlet of the casing. It is characterized by a windshield of the L-shaped structure type 3 which has a block against the incoming air. Lateral end 4 ring body knot. The wind-shielding ring of 5 is curved. The wind-shielding edge of 6 is further set to connect the blades to form a body. The heart-type cooling fan can be a type of a horizontal ring-shaped cooling fan. Wind-shielding of a hot fan A rectangular-shaped heart-shaped cooling fan can also be formed with a rotating impeller blade laterally corresponding to the casing air inlet wind ring body. The wind ring ring system has a ring-shaped body edge and a velvet shape. Corresponding relationship, if the airflow inhaled by the wind breezes is blocked by the airflow to prevent the adverse effect, according to the structure of the annulus body described in item 1 of the scope of the patent application, the section of the annulus body is zigzag, that is Those who have a vertical torus and a state. According to the separation < ring body structure described in item 2 of the scope of patent application, the transverse torus can be further extended by an extender. 3. According to the scattered structure described in item 1 of the scope of the patent application, wherein the cross section of the windshield ring body can also be a speed-off ring structure according to the scope of the patent application item 1, in which the casing air inlet The end edge folding edge portion faces the windshield body. According to the separation ring structure described in the first range of the patent application scope, wherein the windshield ring body is provided with a center-type cooling fan, and the arrangement can correspond to Page 12 M250230 5. Scope of patent application The inside position of the end edge of the casing air inlet. 7. According to the structure of the windshield ring body of the centrifugal cooling fan described in item 1 of the scope of the patent application, the windshield ring body may also be arranged at a position corresponding to the position outside the end edge of the casing air inlet. 8. According to the windshield ring structure of the centrifugal cooling fan according to item 1 of the scope of the patent application, the blades of the rotating impeller can also be provided with windshields that correspond to the air inlets on both sides of the casing. Structure of the wind ring body 9. According to the windshield ring structure of the centrifugal cooling fan according to item 8 of the scope of the patent application, the air inlets on the two sides of the casing can also be provided with internally bent zigzag edges and two windshield rings. Counterpart. Page 13