CN201574954U - Heat dissipation fan - Google Patents
Heat dissipation fan Download PDFInfo
- Publication number
- CN201574954U CN201574954U CN2009202701068U CN200920270106U CN201574954U CN 201574954 U CN201574954 U CN 201574954U CN 2009202701068 U CN2009202701068 U CN 2009202701068U CN 200920270106 U CN200920270106 U CN 200920270106U CN 201574954 U CN201574954 U CN 201574954U
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- protective cover
- fan
- fan frame
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Abstract
A heat dissipation fan at least comprises a fan frame, a driving unit, a fan wheel and at least one protective cap; the fan frame includes a base and a side wall part; the base is combined on the inner side of the side wall part; an air inlet and an air outlet are disposed on the side wall part; the driving unit is combined on the base of the fan frame; the fan wheel includes a wheel hub and a plurality of blades; the wheel hub is rotatably combine with the driving unit; the blades are combined on the outer circumferential surface of the wheel hub; at least one protective cap is combined on the air inlet or the air outlet of the fan frame; the protective cap is disposed with a ventilating opening; a pedestal is disposed on the inner side of the ventilating opening; a plurality of flow deflectors are connected between the pedestal and the ventilating opening; a safe gap is kept between every two flow deflectors for preventing finger or other foreign body from entering into the fan frame.
Description
Technical field
The utility model is about a kind of radiation fan, especially a kind ofly prevents to point or foreign matter enters the radiation fan of fan frame inside.
Background technique
Please refer to shown in Figure 1, existing radiation fan roughly comprise one the fan frame 81, a driver element 82 and an impeller 83.This fan frame 81 is provided with a wind inlet 811 and an exhaust outlet 812; This driver element 82 is arranged at this fan frame 81 inside; This impeller 83 is rotatably in conjunction with this driver element 82; Whereby, this driver element 82 can drive this impeller 83 rotations, make this impeller 83 introduce the air-flow in extraneous space from this wind inlet 811, and this air-flow can be concentrated via this exhaust outlet 812 and be disposed to the heat source position that is produced when an electronic product (not illustrating) is worked, the temperature when working to reduce this electronic product.
Yet existing radiation fan is being installed in various electronic products, and when driving these impeller 83 high speed rotating by this driver element 82, because the wind inlet 811 and the exhaust outlet 812 of this fan frame 81 there is no any structural design with block function; Therefore, when user's finger stretches to these fan frame 81 inside via this wind inlet 811 and exhaust outlet 812 accidentally, will cause unexpected injury easily; Perhaps, if foreign matter enters to this fan frame 81 when inner via this wind inlet 811 and exhaust outlet 812, also may cause this impeller 83 the high speed rotating state under to be damaged.
By improving the issuable relevant issues of above-mentioned existing radiation fan, on the market also research and development another kind of have can prevent to point or foreign matter enters the radiation fan of fan frame inside.Please refer to shown in Figure 2, for TaiWan, China is announced " being convenient to the cooling fan structure of unloading, replacing " patent case No. 516798; The existing radiation fan of this another kind consists predominantly of a pedestal 91 and several fan bases 92.One side surface of this pedestal 91 is provided with hook portion 911; These several fan bases 92 have respectively can be for being provided with the holding area 921 of several fans 93, and be provided with several through holes 922 that are communicated with this holding area 921, and respectively this through hole 922 all has several ribs 923; In addition, these several fan bases 92 are provided with several by press button 924, when these several fan bases 92 mutually combine with this pedestal 91, these several press press button 924 respectively with these several hook portion 911 mutual snap fit.
The existing radiation fan of above-mentioned another kind can be installed in several fans 93 between this pedestal 91 and this several fan bases 92 when reality is used; Block effect by several ribs 923 of the protection of this pedestal 91 and these several fan bases 92; enter to this fan 93 via the through hole 922 of these several fan bases 92 when inner with the finger that effectively prevents the user or foreign matter, to reduce the possibility that unexpected injury takes place.
Yet, consider that based on safety in utilization the above-mentioned further limit of several ribs 923 spacing each other that is formed at these through hole 922 inboards so can avoid user's finger or foreign matter to enter to fan 93 inside via this through hole 922.But respectively this fan 93 is in the process that reality is used, still must derive or import air-flow by the through hole 922 of these several fan bases 92, at this moment, each rib 923 of these through hole 922 inboards hinders the circulation of air-flow on the contrary easily, cause the air output or the air output of the air-flow that this fan 93 driven to reduce relatively, and then influence the radiating effect of this fan 93.In addition, this existing radiation fan mainly is installed in this fan 93 between this pedestal 91 and several fan bases 92, not only causes inconvenience on assembling is used, and overall structure is also too complicated, so still have necessity of being improved.
The model utility content
The utility model purpose is the above-mentioned shortcoming of improvement, so that a kind of radiation fan to be provided, in order to preventing that effectively the user from pointing or foreign matter enters fan frame inside, and to hold concurrently and can keep the air output and the air output of this radiation fan.
The utility model time goal of the invention provides a kind of effectively radiation fan of air-guiding.
The another goal of the invention of the utility model provides a kind of radiation fan that reduces the flow impedance phenomenon.
Another goal of the invention of the utility model provides a kind of radiation fan that reduces the complicated integral structure degree.
Another goal of the invention of the utility model provides a kind of radiation fan of being convenient to carry out dismounting.
For reaching aforementioned goal of the invention, the technological means that the utility model used is as follows:
A kind of radiation fan comprises a fan frame, a driver element, an impeller and at least one protective cover at least.This fan frame comprises a base and a side wall portion, and this base is incorporated into this side wall portion inboard, and this side wall portion is provided with a wind inlet and an exhaust outlet; This driver element is incorporated into the base of this fan frame; This impeller comprises a wheel hub and several blades, and this wheel hub is rotatably in conjunction with this driver element, and respectively this blade is incorporated into the outer circumferential face of this wheel hub; This at least one protective cover is incorporated into the wind inlet or the exhaust outlet of this fan frame; this protective cover has a first surface and a second surface; and be provided with a ventilated port that runs through this first surface and this second surface; this ventilated port inboard is provided with a pedestal; be connected several guide plates between this pedestal and this ventilated port, respectively this guide plate has a safety clearance each other.
The beneficial effects of the utility model are:
The formed each other safety clearance of each guide plate of the protective cover of the utility model radiation fan can prevent effectively that the user from pointing or foreign matter enters fan frame inside, makes the utility model radiation fan have effects such as improving safety and reduction damage probability.
Each guide plate of the protective cover of the utility model radiation fan can be guaranteed this impeller in the process of air-guiding, is difficult for hindering the circulation of air-flow, makes the utility model radiation fan have the effect that promotes radiating effect.
When each guide plate of the utility model radiation fan has structural designs such as two relative curved surfaces and water conservancy diversion end; this water conservancy diversion end can guarantee that air-flow smoothly by the ventilated port of this protective cover, makes the utility model radiation fan have the effect that can promote blast along this curved surface.
The guide plate of the utility model radiation fan is radial arranged radially; and this impeller axially on this blade respectively mutually at once; the air communication that can this impeller be driven is crossed this protective cover 4, makes the utility model radiation fan have the effect that can promote the water conservancy diversion effect.
The protective cover of the utility model radiation fan is one-body molded when being incorporated into the wind inlet of this fan frame or exhaust outlet, can effectively reduce the complicated integral structure degree, makes the utility model radiation fan have the manufacture cost of reduction and promotes effect such as assembling convenience.
When the fan frame of the utility model radiation fan and protective cover mutually combined by this fixed element, this protective cover can be convenient to wind inlet and the exhaust outlet of this dismounting in this fan frame, made the utility model radiation fan have effects such as the maintenance of lifting and replacing convenience.
Description of drawings
Fig. 1: the stereo appearance figure of existing radiation fan.
Fig. 2: the three-dimensional exploded view of another kind of existing radiation fan.
Fig. 3: the three-dimensional exploded view of the utility model radiation fan.
Fig. 4: the arrangement schematic representation of the guide plate of the utility model radiation fan.
Fig. 5: the sectional view of the guide plate of the utility model radiation fan.
Fig. 6: the fan frame of the utility model radiation fan and the integrated stereo appearance figure of protective cover.
The primary component symbol description:
1 fan frame, 11 bases, 12 side wall portions, 121 containing spaces
14 perforation of 122 wind inlets, 123 exhaust outlets, 13 links
2 driver elements, 3 impellers, 31 wheel hubs, 32 blades
4 protective covers, 41 first surfaces, 42 second surfaces, 43 ventilated ports
44 pedestals, 45 guide plates, 451 curved surfaces, 452 curved surfaces
453 water conservancy diversion ends, 46 open-works, 5 fixed elements, 81 fan frames
811 wind inlets, 812 exhaust outlets, 82 driver elements, 83 impellers
91 pedestals, 911 hook portions, 92 fan bases, 921 holding areas
922 through holes, 923 ribs 924 are pressed press button 93 fans
Embodiment
For above-mentioned and other purpose of the present utility model, feature and advantage can be become apparent, preferred embodiment of the present utility model cited below particularly, and conjunction with figs. are described in detail below:
Please refer to shown in Figure 3ly, the utility model first embodiment's radiation fan comprises fan frame 1, a driver element 2, an impeller 3 and two protective covers 4 at least.This fan frame 1 can be for the precalculated position (as the host board surface of computer inside) that is combined in an electronic product; This driver element 2 is incorporated into this fan frame 1 inside; This impeller 3 is rotatably in conjunction with this driver element 2; This two protective cover 4 is in conjunction with this fan frame 1, in order to prevent that the user from pointing or foreign matter enters the inside of this fan frame 1.
This fan frame 1 comprises a base 11 and a side wall portion 12.This base 11 can be incorporated into this side wall portion 12 inboards by several links 13; These side wall portion 12 inboard formation one containing spaces 121, and this side wall portion 12 is provided with a wind inlet 122 and an exhaust outlet 123 that is communicated with this containing space 121.
This driver element 2 is incorporated into the base 11 of this fan frame 1, and this driver element 2 can comprise can be in order to drive the member of these impeller 3 rotations as coil groups, silicon steel plate or other.
This impeller 3 comprises a wheel hub 31 and several blades 32.This wheel hub 31 is rotatably in conjunction with this driver element 2; 32 outer circumferential faces that are incorporated into this wheel hub 31 of this blade respectively.
This two protective cover 4 is incorporated into the wind inlet 122 and the exhaust outlet 123 of this fan frame 1 respectively.This protective cover 4 has a first surface 41 and a second surface 42, and this protective cover 4 is provided with a ventilated port 43 that runs through this first surface 41 and this second surface 42 in addition.Again, these ventilated port 43 inboards are provided with a pedestal 44, are connected several guide plates 45 between this pedestal 44 and this ventilated port 43; As Fig. 4 and shown in Figure 5, respectively this guide plate 45 has a safety clearance D each other, and this safety clearance D refers to the minimum separable between wantonly two guide plates 45, and the spacing size of this safety clearance D is difficult for by being principle with user's finger or foreign matter; For example: this safety clearance D can adopt the regulation of safety of America Valuation Standard (UL), and making respectively, this guide plate 45 safety clearance D each other must not surpass 12mm.
The utility model radiation fan is when reality is used, and this radiation fan can be installed in the position that may produce thermal source when an electronic product (not illustrating) is worked; Whereby, this driver element 2 can drive this impeller 3 rotations, makes this impeller 3 introduce the air-flow in extraneous space from this wind inlet 122 of fanning frame 1, and this air-flow can be concentrated the position that is disposed to this thermal source via this exhaust outlet 123, and this electronic product can be turned round smoothly.
The main feature of the utility model radiation fan is: utilize the easy structure design of this two protective cover 4; in the process of these impeller 3 high speed rotating; when the wind inlet 122 of this fan frame 1 and exhaust outlet 123 are provided with protective cover 4; the formed each other safety clearance D of each guide plate 45 by this protective cover 4; can effectively avoid user's finger to stretch to this fan frame 1 inside accidentally; to reduce the possibility that unexpected injury takes place; and hold concurrently and can prevent that foreign matter from entering to this fan frame 1 inside, and can avoid this radiation fan damage.
The more important thing is, when this impeller 3 when wind inlet 122 of this fan frame 1 is introduced the air-flow in extraneous space, utilize protective cover 4 designs that are incorporated into this wind inlet 122, make this air-flow can enter this fan frame 1 inside smoothly by each guide plate 45 of this protective cover 4; In addition; when this impeller 3 desires that further this air-flow is disposed to extraneous space via the exhaust outlet 123 of this fan frame 1; more can utilize another protective cover 4 designs that are incorporated into this exhaust outlet 123, make this air-flow be smoothly discharged to extraneous space by each guide plate 45 of this another protective cover 4.Generally speaking; even the fan frame 1 of the utility model radiation fan is combined with this protective cover 4; but still the water conservancy diversion effect that each guide plate 45 that can utilize this protective cover 4 is provided; to guarantee that this impeller 3 is in the process that drives air-flow; be difficult for hindering the circulation of air-flow, to guarantee the radiating effect of this radiation fan because of this protective cover 4.
By the structural design of above-mentioned the utility model radiation fan, the utility model radiation fan also can further comprise at least one accessory structure feature as described below or its combination, and it is perfect that the function of the utility model radiation fan is more leveled off to, wherein:
Described guide plate 45 can be any structural design with diversion function, and for example, this guide plate 45 can be designed to as shape of this blade 32 etc.For example, please cooperate with reference to Fig. 3 to shown in Figure 5, this guide plate 45 is preferable to have two relative curved surfaces 451,452, and wherein these two curved surfaces, 451,452 mutual adjoining positions can form a water conservancy diversion end 453; When this guide plate 45 was incorporated into the wind inlet 122 of this fan frame 1, this water conservancy diversion end 453 can be towards the opposite side direction of this wind inlet 122; When this guide plate 45 was incorporated into the exhaust outlet 123 of this fan frame 1, this water conservancy diversion end 453 can be towards the direction of this exhaust outlet 123.Whereby, this impeller 3 is in the process of the air-flow in the extraneous space of wind inlet 122 introducings of this fan frame 1, utilization is incorporated into protective cover 4 designs of this wind inlet 122, make this air-flow change flow directions, and can enter this fan frame 1 inside along this curved surface 451,452 by this ventilated port 43 smoothly by the water conservancy diversion end 453 of each guide plate 45 of this protective cover 4; In addition; when this impeller 3 desires that further this air-flow is disposed to extraneous space via the exhaust outlet 123 of this fan frame 1; more can utilize another protective cover 4 designs that are incorporated into this exhaust outlet 123; make this air-flow can change flow directions by the water conservancy diversion end 453 of each guide plate 45 of this another protective cover 4 equally, and can be smoothly along this curved surface 451,452 by this ventilated port 43 to be disposed to extraneous space.Therefore, can guarantee this impeller 3 in the process that drives air-flow, the circulation of more difficult obstruction air-flow, and with the function that promotes blast.
Described guide plate 45 is preferable can be radial arranged radially between this pedestal 44 and this ventilated port 43; In addition, as shown in Figure 4, these several guide plates 45 this impeller 3 axially on respectively this blade 32 is mutual corresponding; Whereby, make respectively this guide plate 45 can more successfully guide the ventilated port 43 that this air communication that impeller 3 is driven is crossed this protective cover 4.
Described protective cover 4 can be one or several.When this protective cover 4 was one, this protective cover 4 selected to be incorporated into the wind inlet 122 or the exhaust outlet 123 of this fan frame 1; When this protective cover 4 was several, as shown in Figure 3,4 of these several protective covers can be incorporated into the wind inlet 122 and the exhaust outlet 123 of this fan frame 1 respectively.Whereby, can select the protective cover 4 of suitable quantity for use according to different demands for the user.
Described protective cover 4 can one-body moldedly be incorporated into this fan frame 1, and the pedestal 44 of this protective cover 4 combines with base 11 one of this fan frame 1.As shown in Figure 6, the protective cover 4 that discloses the utility model radiation fan is one, and this protective cover 4 is shaped in the exhaust outlet 123 of this fan frame 1; Whereby, can effectively reduce the structure complexity of the utility model radiation fan, and promote the assembling convenience relatively.
Each place, angle of described fan frame 1 is provided with several perforation 14 respectively, 4 pairs of this protective covers should several perforation 14 also be provided with several open-works 46, these several the perforation 14 and several open-works 46 can supply a fixed element 5 combinations respectively, so that this protective cover 4 can be assembled in the wind inlet 122 of this fan frame 1 and exhaust outlet 123, and also can fan dismounting on the frame 1 where necessary from this; Whereby, conveniently to maintain or to change operation.
By on learn that the utility model radiation fan can reach many effects as described below:
The formed each other safety clearance D of each guide plate 45 of the protective cover 4 of the utility model radiation fan; can prevent effectively that the user from pointing or foreign matter enters fan frame 1 inside, make the utility model radiation fan have effects such as improving safety and reduction damage probability.
Each guide plate 45 of the protective cover 4 of the utility model radiation fan can be guaranteed this impeller 3 in the process of air-guiding, is difficult for hindering the circulation of air-flow, makes the utility model radiation fan have the effect that promotes radiating effect.
When each guide plate 45 of the utility model radiation fan has structural designs such as two relative curved surfaces 451,452 and water conservancy diversion end 453; this water conservancy diversion end 453 can guarantee that air-flow smoothly by the ventilated port 43 of this protective cover 4, makes the utility model radiation fan have the effect that can promote blast along this curved surface 451,452.
The guide plate 45 of the utility model radiation fan is radial arranged radially; and this impeller 3 axially on this blade 32 respectively mutually at once; the air communication that this impeller 3 is driven is crossed this protective cover 4, makes the utility model radiation fan have the effect that can promote the water conservancy diversion effect.
The protective cover 4 of the utility model radiation fan is one-body molded when being incorporated into the wind inlet 122 of this fan frame 1 or exhaust outlet 123; can effectively reduce the complicated integral structure degree, make the utility model radiation fan have effects such as the manufacture cost of reduction and lifting assembling convenience.
When the fan frame 1 of the utility model radiation fan and protective cover 4 mutually combine by this fixed element 5; this protective cover 4 can be convenient to wind inlet 122 and the exhaust outlet 123 of this dismounting in this fan frame 1, makes the utility model radiation fan have effects such as the maintenance of lifting and replacing convenience.
Claims (8)
1. radiation fan is characterized in that comprising:
A fan frame comprises a base and a side wall portion, and this base is incorporated into this side wall portion inboard, and this side wall portion is provided with a wind inlet and an exhaust outlet;
A driver element is incorporated into the base of this fan frame;
An impeller comprises a wheel hub and several blades, and this wheel hub can be rotatably in conjunction with this driver element, and respectively this blade is incorporated into the outer circumferential face of this wheel hub; And
At least one protective cover; be incorporated into the wind inlet or the exhaust outlet of this fan frame; this protective cover has a first surface and a second surface; and be provided with a ventilated port that runs through this first surface and this second surface; this ventilated port inboard is provided with a pedestal; be connected several guide plates between this pedestal and this ventilated port, respectively this guide plate has a safety clearance each other.
2. according to the described radiation fan of claim 1, it is characterized in that respectively this guide plate of this protective cover has two relative curved surfaces, the adjoining mutually position of these two curved surfaces forms a water conservancy diversion end.
3. according to the described radiation fan of claim 2; it is characterized in that; this protective cover is two; one of them protective cover is incorporated into the wind inlet of this fan frame; the water conservancy diversion end of this protective cover is towards the opposite side direction of this wind inlet; another protective cover is incorporated into the exhaust outlet of this fan frame, and the water conservancy diversion end of this another protective cover is towards the direction of this exhaust outlet.
4. according to the described radiation fan of claim 1, it is characterized in that this protective cover is one, this protective cover is one-body molded in conjunction with this fan frame, and the pedestal of this protective cover combines with the base one of this fan frame.
5. according to claim the 1,2,3 or 4 described radiation fans, it is characterized in that the guide plate of this protective cover is radial arranged radially between this pedestal and this ventilated port, these several guide plates this impeller axially on respectively this blade is corresponding mutually.
6. according to claim 1,2 or 3 described radiation fans; it is characterized in that; each place, angle of this fan frame is provided with several perforation respectively; this protective cover is to should several perforation being provided with several open-works, and these several perforation and several open-works combine with the fixed element of this fan frame in order to fix this protective cover for one respectively.
7. according to claim 1,2,3 or 4 described radiation fans, it is characterized in that respectively this guide plate safety clearance each other is smaller or equal to 12mm.
8. according to the described radiation fan of claim 5, it is characterized in that respectively this guide plate safety clearance each other is smaller or equal to 12mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202701068U CN201574954U (en) | 2009-11-23 | 2009-11-23 | Heat dissipation fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202701068U CN201574954U (en) | 2009-11-23 | 2009-11-23 | Heat dissipation fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201574954U true CN201574954U (en) | 2010-09-08 |
Family
ID=42694827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202701068U Expired - Fee Related CN201574954U (en) | 2009-11-23 | 2009-11-23 | Heat dissipation fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201574954U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103307001A (en) * | 2009-11-23 | 2013-09-18 | 建准电机工业股份有限公司 | Heat radiation fan |
| US10989221B2 (en) | 2016-06-29 | 2021-04-27 | Quanta Computer Inc. | Cooling system for streamlined airflow |
-
2009
- 2009-11-23 CN CN2009202701068U patent/CN201574954U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103307001A (en) * | 2009-11-23 | 2013-09-18 | 建准电机工业股份有限公司 | Heat radiation fan |
| US10989221B2 (en) | 2016-06-29 | 2021-04-27 | Quanta Computer Inc. | Cooling system for streamlined airflow |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100908 Termination date: 20171123 |