CN202117992U - Radiator fan and fan frame thereof - Google Patents
Radiator fan and fan frame thereof Download PDFInfo
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- CN202117992U CN202117992U CN2011200388254U CN201120038825U CN202117992U CN 202117992 U CN202117992 U CN 202117992U CN 2011200388254 U CN2011200388254 U CN 2011200388254U CN 201120038825 U CN201120038825 U CN 201120038825U CN 202117992 U CN202117992 U CN 202117992U
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- fan frame
- reference level
- fan
- discharge passage
- dust discharge
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Abstract
The utility model discloses a radiator fan and a fan frame thereof, which comprises a fan frame, a stator, a fan wheel and a control element. The fan frame is provided with a dust exhausting passage; the stator is combined with the fan frame; the fan wheel can be rotationally combined with the stator; the control element controls the fan wheel to work in manner of rotating backwards or forwards so as to respectively provide radiation function or automatic dust removal function according to different needs, wherein the circumferential wall of the inner side of the fan frame is divided into a first flow guide wall and a second flow guide wall; the first flow guide wall has a guiding part adjacent to the dust exhausting passage; the guiding part and a central point of the fan wheel have a first distance; the second flow guide wall and the central point of the fan wheel have at least a second distance; the first distance is smaller than the second distance; and the dust exhausting passage can certainly guide the air flow to exhaust the dust out of the fan frame during dust removal operation.
Description
Technical field
The utility model is about a kind of radiation fan and fan frame thereof, especially a kind of radiation fan and fan frame thereof with automatic dedusting function.
Background technique
Existing radiation fan is roughly to comprise fan frame, a driver element and an impeller.This fan frame is provided with a wind inlet and an exhaust outlet; It is inner that this driver element is arranged at this fan frame; This impeller rotatably combines this driver element; Whereby; This driver element can drive this impeller rotary work; Make this impeller can introduce the air-flow in extraneous space, and can this air-flow be concentrated the heat source position that is produced when being disposed to electronic product running via this exhaust outlet, the temperature when reducing this electronic product running from this wind inlet.
Yet; Should constantly be disposed in the process of this heat source position long-time by existing radiation fan from this wind inlet introducing air-flow and via this exhaust outlet; It is inner that the dust that the air-flow in extraneous space is carried secretly also constantly is piled up in this fan frame easily, for example: several blades of wind inlet, exhaust outlet, this impeller ... wait the position; Therefore, after existing radiation fan used between for a long time, being piled up in the inner dust of this fan frame influenced whole air output or air output easily, caused the radiating effect of existing radiation fan to reduce.
Another kind of existing radiation fan is like No. 229254 " fan module " patent of invention of TaiWan, China I.As shown in Figure 1, this existing radiation fan 9 comprises a shell block 91, a fan 92 and several fins 93.This shell block 91 has a wind inlet 911 and an exhaust outlet 912; This fan 92 is equipped on this shell block 91 inside; Respectively this fin 93 is equipped within this exhaust outlet 912; Whereby, this fan 92 can be introduced air-flow from this wind inlet 911 equally, and air-guiding is through respectively between this fin 93, so that this exhaust outlet 912 is disposed to air-flow the heat source position that is produced when one electronic product operates certainly.
The existing radiation fan 9 of this another kind is after long-time the use, and in these shell block 91 inner dusts of piling up, particularly because the exhaust outlet 912 of this radiation fan 9 is equipped with several fins 93, respectively the distance between this fin 93 is quite limited equally easily; Therefore; The dust that the air-flow in extraneous space is carried secretly is piled up in respectively between this fin 93 more easily; With the whole air output that has a strong impact on this radiation fan 9, so must cause the inconvenience in the use also regularly with these radiation fan 9 inner dusts of being piled up of manual mode cleaning.
The model utility content
The utility model purpose is that the shortcoming that is directed against above-mentioned various existing radiation fans improves, so that a kind of radiation fan that can clear up dust automatically to be provided.
The utility model time purpose provides a kind of radiation fan, and it is the function by automatic cleaning dust, with air output and the air output of effectively keeping this radiation fan.
Another purpose of the utility model provides a kind of fan frame of radiation fan, and it is to clear up automatically in the process of dust in radiation fan, and air-guiding gets rid of dust to extraneous space really.
The another purpose of the utility model provides a kind of fan frame of radiation fan, and it is to prevent further that dust that radiation fan is cleared up is back to fan frame inside.
According to the utility model radiation fan; Be to comprise: a fan frame comprises a base and a side wall portion; This side wall portion combines this base, and in the inboard containing space that forms of this side wall portion, this fan frame is provided with a wind inlet, an exhaust outlet and a dust discharge passage that is communicated with this containing space in addition; One stator is incorporated into the base of this fan frame; One impeller rotatably combines this stator; And a control unit comprises an one drive circuit and a positive and reverse rotation control circuit, this this stator of drive circuit electrical connection, this this drive circuit of positive and reverse rotation control circuit electrical connection; Wherein this exhaust outlet and this dust discharge passage are jointly the inboard perisporium of this side wall portion to be divided into one first training wall and one second training wall; This first training wall has a guide portion of adjoining this dust discharge passage; Has one first distance between the central point of this guide portion and this impeller; Have at least one second distance between the central point of this second training wall to this impeller, this first distance is smaller or equal to this second distance.
Fan frame according to the utility model radiation fan; Be to comprise a base and a side wall portion; This side wall portion combines this base, and in the inboard containing space that forms of this side wall portion, this containing space is provided with an axle bed that can supply an impeller to articulate; This fan frame is provided with a wind inlet, an exhaust outlet and a dust discharge passage that is communicated with this containing space in addition; Wherein: this exhaust outlet and this dust discharge passage are jointly the inboard perisporium of this side wall portion to be divided into one first training wall and one second training wall, and this first training wall has a guide portion of adjoining this dust discharge passage, has one first distance between the central point of this guide portion and this axle bed; Have at least one second distance between the central point of this second training wall to this axle bed, this first distance is smaller or equal to this second distance.
The useful technique effect of the utility model is:
The positive and reverse rotation control circuit of the utility model radiation fan and fan frame this control unit capable of using thereof is through this this impeller rotary work of drive circuit control; And cooperate the design of this dust discharge passage; To reach the function of carrying out dedusting automatically; Whereby, can effectively remove and be piled up in the inner dust of this fan frame, so have the effect that promotes the dedusting convenience.
The utility model radiation fan and fan frame thereof can reach the function as aforementioned automatic cleaning dust by the design of this this dust discharge passage of control unit collocation; So can guarantee that this fan frame inside is unlikely to the overheap dust; Effectively keeping the air output and the air output of this radiation fan and fan frame thereof, and then reach the effect that promotes radiating effect.
The utility model radiation fan and fan frame thereof can be fanned the structural design of first distance that guide portion defined of frame smaller or equal to this second distance by this; Being used to radiation fan clears up in the process of dust automatically; Really air-guiding gets rid of dust to extraneous space; And double to prevent that dust is back to the fan frame inner, to reach the effect that promotes dust removing effects.
Description of drawings
Fig. 1: the stereo appearance figure of existing radiation fan and fan frame thereof.
Fig. 2: the three-dimensional exploded view of the utility model radiation fan and fan frame thereof.
Fig. 3: the combination plan view of the utility model radiation fan and fan frame thereof.
Fig. 4: the schematic representation when the utility model radiation fan and fan frame thereof are used to carry out automatic dedusting.
Fig. 5: the plan view when the dust discharge passage of the utility model radiation fan and fan frame thereof is inclined to set.
Fig. 6: the plan view when the dust discharge passage of the utility model radiation fan and fan frame thereof is vertical setting.
Fig. 7: the plan view when the dust discharge passage of the utility model radiation fan and fan frame thereof is set in parallel.
[primary component symbol description]
(the utility model)
1 fan frame
11 bases, 111 auxiliary wind inlets
12 12a of side wall portion, first training wall
12b second training wall 121 containing spaces
121a wind outlet area 121b pressure accumulation district
122 wind inlets, 123 exhaust outlets
The 123a first turning edge 123b second turning edge
124 dust discharge passages, 13 guide portions
14 turning points, 15 cover plates
151 perforation, 16 fins
17 dust guiding tubes
2 stators
21 coil groups, 22 axle beds
3 impellers
31 wheel hubs, 32 blades
4 control units
41 drive circuits, 42 positive and reverse rotation control circuits
D1 first distance B 2 second distances
The P1 first reference level P2 second reference level
(existing technology)
9 radiation fans
91 shell blocks, 911 wind inlets
912 exhaust outlets, 92 fans
93 fins
Embodiment
For letting the above-mentioned of the utility model and other purposes, characteristic and the advantage can be more obviously understandable, the special preferred embodiment of lifting the utility model of hereinafter, and conjunction with figs. elaborate as follows:
Please with reference to shown in Figure 2, the utility model radiation fan is to comprise a fan frame 1, a stator 2, an impeller 3 and a control unit 4.This fan frame 1 can supply to be combined in the precalculated position (like the host board surface of computer inside) of an electronic product; This stator 2 is incorporated into this fan frame 1 inside; This impeller 3 rotatably combines this stator 2; This control unit 4 dispels the heat to produce enough air quantity with first direction rotation in order to control this impeller 3, or also this impeller 3 of may command rotates with the structural design of this fan frame 1 of arranging in pairs or groups with a second direction, and then reaches the function of automatic dedusting.
This fan frame 1 is to comprise a base 11 and a side wall portion 12.This side wall portion 12 combines this base 11; And in these side wall portion 12 inboard containing spaces 121 that form; 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, and this side wall portion 12 can further form a dust discharge passage 124 (can be designed to several on demand) in addition.
More in detail, this exhaust outlet 123 and this dust discharge passage 124 are jointly the inboard perisporium of this side wall portion 12 to be divided into one first training wall 12a and one second training wall 12b; Wherein this first training wall 12a has a guide portion 13 of adjoining this dust discharge passage 124; As shown in Figure 3; Has one first distance B 1 between the central point of this guide portion 13 and this impeller 3; This second training wall 12b is to having at least one second distance D2 between the central point of this impeller 3, this first distance B 1 is preferable with this first distance B 1 less than this second distance D2 wherein smaller or equal to this second distance D2.
This stator 2 is incorporated into the base 11 of this fan frame 1, and this stator 2 can comprise like members such as coil groups 21 and axle beds 22.Wherein this coil groups 21 can be incorporated into the outer circumferential face of this axle bed 22; This axle bed 22 can be selected one to combine this base 11 or be assembled on this base 11.
This impeller 3 comprises a wheel hub 31 and several blades 32.This wheel hub 31 rotatably combines the axle bed 22 of this stator 2; 32 outer circumferential faces that are incorporated into this wheel hub 31 of this blade respectively.Though wherein aforementioned first distance B 1 and second distance D2 are defined as this guide portion 13 and the second training wall 12b respectively to the distance of the central point of this impeller 3; Just because this impeller 3 is to articulate with this axle bed 22; Therefore, this first distance B 1 and second distance D2 also may be defined as this guide portion 13 and the second training wall 12b respectively to the distance of the central point of this axle bed 22.
This control unit 4 comprises an one drive circuit 41 and a positive and reverse rotation control circuit 42.This drive circuit 41 is electrically connected the coil groups 21 of this stator 2, and this positive and reverse rotation control circuit 42 then is electrically connected this drive circuit 41.In addition, but this drive circuit 41 and positive and reverse rotation control circuit 42 mutual encapsulation are an intergrated circuit (IC).Moreover this control unit 4 can be integrated in this fan frame 1 inside, perhaps, also can external mode be arranged at the outside of this fan frame 1, and it can reach the purpose of these impeller 3 working methods of control equally.The utility model radiation fan can be incorporated into an electronic product when reality is used, and the exhaust outlet 123 that will fan frame 1 is easy to generate the position of thermal source in operation towards this electronic product; When this electronic product produces thermal source in operation; Shown in Fig. 2 and 3; This positive and reverse rotation control circuit 42 can send one and control signal to this drive circuit 41; The coil groups 21 that drives these stators 2 for this drive circuit 41 produces a magnetic field, by this magnetic field can this impeller 3 of further repulsion towards first direction rotation (for example counterrotating or be rotated in the forward), so that introduce air-flow from extraneous space via this wind inlet 122; Further utilize this impeller 3 that this air-flow is concentrated again and be disposed to the thermal source that this electronic product produces, to reach predetermined radiating effect via this exhaust outlet 123.
Please with reference to shown in Fig. 2 and 4; Because the utility model radiation fan is after long-time use; The dust that the air-flow in its extraneous space is carried secretly also is piled up in this fan frame 1 inside easily, for example: several blades 32 of wind inlet 122, exhaust outlet 123, this impeller 3 ... wait the position; At this moment; This positive and reverse rotation control circuit 42 can send one and control signal to this drive circuit 41, and the coil groups 21 that drives this stator 2 for this drive circuit 41 produces a magnetic field, by the change of this control signal; Also further this impeller 3 of repulsion is (opposite with aforementioned first direction towards second direction rotation in this magnetic field; As be rotated in the forward or counterrotating), the flow direction of the air-flow that is produced when this fan frame 1 inner air-flow was dispelled the heat with original this impeller 3 is opposite, so that the air-flow reverse pilot that will be introduced via this wind inlet 122 is to this dust discharge passage 124; And then make the dust that is deposited in this fan frame 1 inside be disposed to extraneous space along with this air-flow; Guarantee that this fan frame 1 inside is unlikely to because of the overheap dust, and influence whole air output or air output, so can effectively promote the integral heat sink effect.
More in detail; This positive and reverse rotation control circuit 42 can be through the opportunity of rotation forward or backwards of these drive circuit 41 these impellers 3 of control; For example: the utility model radiation fan can be set when this impeller after one scheduled time of 3 counterrotating work (as 1 hour to 2 hours) when starting, and controls this impeller 3 again and is rotated in the forward one scheduled time of work (as 10 minutes to 20 minutes); To reach the function of automatic dedusting; By the time after accomplishing automatic dedusting operation, control this impeller 3 counterrotating work again, with the operation of dispelling the heat; Perhaps also can when the utility model radiation fan and the startup of fan frame thereof, directly set this impeller 3 and be rotated in the forward work in advance, after accomplishing automatic dedusting operation in advance, control this impeller 3 counterrotating work again, with the operation of dispelling the heat.
By the structure characteristic of preceding taking off; The main feature of the utility model radiation fan includes at least: the utility model radiation fan can be controlled this impeller 3 towards a first direction rotary work, except that can keeping the original heat sinking function of this radiation fan through this drive circuit 41 by the positive and reverse rotation control circuit 42 of this control unit 4; Can with the function that can carry out dedusting automatically, influence the integral heat sink effect by this impeller 3 of control towards a second direction rotary work in addition so can effectively avoid this fan frame 1 inner overheap dust.
The more important thing is; When this impeller 3 rotates with this second direction; And the air-flow that this wind inlet 122 is introduced is during along the second training wall 12b reverse pilot to this dust discharge passage 124 of this fan frame 1; Because the guide portion 13 of this fan frame 1 is to utilize this first distance B 1 smaller or equal to this second distance D2, therefore, it is mobile toward this dust discharge passage 124 that this guide portion 13 can have the air-flow of dust in order to guide clip; And then make the dust that is deposited in this fan frame 1 inside be disposed to extraneous space, and can prevent further that dust that radiation fan is cleared up is back to this fan frame 1 inside along with this air-flow.Generally speaking, the utility model radiation fan is the structural design of this positive and reverse rotation control circuit 42 capable of using and this dust discharge passage 124 of arranging in pairs or groups really, reaching the function of carrying out dedusting automatically, and then can promote radiating effect, effectively prolongs the working life of this electronic product.
Structural design notion by above-mentioned the utility model radiation fan and fan frame thereof; The utility model radiation fan and fan frame thereof also can further comprise at least one accessory structure characteristic or its combination that is described below; Make the utility model radiation fan and the fan frame function more level off to perfect, wherein:
Please with reference to shown in Fig. 2 and 3; The exhaust outlet 123 of described fan frame 1 has one first relative turning edge 123a and one second turning edge 123b; This fan frame 1 definition one first reference level P1, this first reference level P1 is through this first turning edge 123a and this second turning edge 123b; In addition; These impeller 3 definition one second reference level P2; As shown in Figure 2, this second reference level P2 can pass through the central point of this wheel hub 31, or as shown in Figure 3; This second reference level P2 also may be defined as with this wheel hub 31 tangent near the maximum rotating range of this exhaust outlet 123, and this second reference level P 2 is parallel to this first reference level P1; More in detail; By this second reference level P2 of definition and this first reference level P1; The containing space 121 of this fan frame 1 can be divided into a wind outlet area 121a and a pressure accumulation district 121b, and this wind outlet area 121a is between this second reference level P 2 and this first reference level P1, and this pressure accumulation district 121b is positioned at the opposite side of this second reference level P2 with respect to this wind outlet area 121a; This exhaust outlet 123 is positioned at this wind outlet area 121a, and this dust discharge passage 124 is positioned at this pressure accumulation district 121b; Whereby; This dust discharge passage 124 can be relatively away from this exhaust outlet 123; When this control unit 4 is controlled these impellers 3 towards the second direction rotary work; This impeller 3 can be pushed air-flow to this pressure accumulation district 121b via this wind outlet area 121a comparatively all sidedly in regular turn, makes the dust that is piled up in this fan frame 1 inside more successfully be disposed to extraneous space via this dust discharge passage 124 along with air-flow, so can promote whole dust removing effects.
Please with reference to Fig. 5, shown in 6 and 7; Take off the technological concept of this first distance B 1 before complying with smaller or equal to this second distance D2; The bearing of trend of described dust discharge passage 124 can be to tilt as shown in Figure 5, vertical as shown in Figure 6 or parallel as shown in Figure 7 with this second reference level P2, and this bearing of trend is preferably the direct of travel of the air-flow that is promoted when cooperating this impeller 3 to carry out dedusting, for example; Among the embodiment as shown in Figure 5, the bearing of trend of this dust discharge passage 124 is inclination; Whereby, air-flow that this impeller 3 promoted is got in the process of this dust discharge passage 124 along the second training wall 12b of this fan frame 1, the resistance that this air-flow receives can reduce relatively, guarantees that the dedusting operation can accomplish smoothly.Again, please with reference to shown in Fig. 2 and 4, the second training wall 12b also can be provided with a turning point 14 of adjoining this dust discharge passage 124 again, has minimum second distance D2 between the central point of this turning point 14 and this impeller 3.
Please with reference to shown in Fig. 2 and 3, the side wall portion 12 of described fan frame 1 can combine a cover plate 15 in addition, and this cover plate 15 has a perforation 151, this this wind inlet 122 of 151 contrapositions of boring a hole; Whereby; This cover plate 15 can be in order to the containing space 121 that seals this fan frame 1; Guarantee air-flow that this impeller 3 produced can via this bore a hole 151 and wind inlet 122 enter to this fan frame 1 inside, so that a pressurization to be provided, this impeller 3 can more successfully be derived air-flow from this exhaust outlet 123.
Please with reference to shown in Fig. 2 and 3, the base 11 of described fan frame 1 can form several auxiliary wind inlets 111 in addition, and this several auxiliary wind inlet 111 can be relative with this wind inlet 122; Whereby, the air-flow that this impeller 3 is produced also can enter to this fan frame 1 inside via these several auxiliary wind inlet 111, so that more air output to be provided.
Please with reference to shown in Fig. 2 and 3; The exhaust outlet 123 of described fan frame 1 can be provided with several fins 16, and wherein these several fins 16 are formed directly in this exhaust outlet 123, perhaps; These several fins 16 also can be integrated into a radiator, and this radiator is organized separately and is loaded on this exhaust outlet 123 positions; Whereby, when this fan frame 1 combined this electronic product, respectively this fin 16 can make this impeller 2 promote air-flow in the process that this exhaust outlet 123 is discharged in order to absorb the high heat that thermal source produced of this electronic product, has better radiating effect.
Please with reference to shown in Figure 6, the dust discharge passage 124 of described fan frame 1 can an external dust guiding tube 17 (other graphic embodiments that disclose also are suitable for); Whereby, when carrying out automatic dedusting function, be deposited in this fan frame 1 inner dust and can be disposed to position via this dust guiding tube 17, so that better dust removing effects to be provided along with this air-flow away from this fan frame 1.
In sum, the utility model radiation fan and fan frame thereof can reach the many effects that are described below at least:
The positive and reverse rotation control circuit 42 of the utility model radiation fan and fan frame this control unit 4 capable of using thereof is through these drive circuit 41 these impeller 3 rotary works of control; And cooperate the design of this dust discharge passage 124; To reach the function of carrying out dedusting automatically; Whereby, can effectively remove the dust that is piled up in this fan frame 1 inside, so have the effect that promotes the dedusting convenience.
The utility model radiation fan and fan frame thereof can reach the function as aforementioned automatic cleaning dust by the design of these control unit 4 these dust discharge passages 124 of collocation; So can guarantee that this fan frame 1 inside is unlikely to the overheap dust; Effectively keeping the air output and the air output of this radiation fan and fan frame thereof, and then reach the effect that promotes radiating effect.
Claims (20)
1. radiation fan is characterized in that it comprises:
A fan frame comprises a base and a side wall portion, and this side wall portion combines this base, and in containing space of the inboard formation of this side wall portion, this fan frame is provided with a wind inlet, an exhaust outlet and dust discharge passage that is communicated with this containing space in addition;
A stator is incorporated into the base of this fan frame;
An impeller rotatably combines this stator; And
A control unit comprises a drive circuit and a positive and reverse rotation control circuit, and this drive circuit is electrically connected this stator, and this positive and reverse rotation control circuit is electrically connected this drive circuit;
Wherein this exhaust outlet and this dust discharge passage are jointly the inboard perisporium of this side wall portion to be divided into one first training wall and one second training wall; This first training wall has a guide portion of adjoining this dust discharge passage; Has one first distance between the central point of this guide portion and this impeller; Have at least one second distance between the central point of this second training wall to this impeller, this first distance is smaller or equal to this second distance.
2. radiation fan according to claim 1; It is characterized in that; The exhaust outlet of this fan frame has relative one first turning edge and one second turning edge, and this fan is confined one first reference level of justice, and this first reference level is through this first turning edge and this second turning edge; One second reference level of this impeller definition; This second reference level and this wheel hub are tangent and be parallel to this first reference level near the maximum rotating range of this exhaust outlet, and the containing space of this fan frame is divided into a wind outlet area and a pressure accumulation district, is this wind outlet area between this second reference level and this first reference level; This second reference level opposite side of this wind outlet area relatively is this pressure accumulation district, and this dust discharge passage is positioned at this pressure accumulation district.
3. radiation fan according to claim 2 is characterized in that, the bearing of trend of the dust discharge passage of this fan frame and this second reference level are inclination, perpendicular or parallel.
4. radiation fan according to claim 1 is characterized in that, the exhaust outlet of this fan frame has relative one first turning edge and one second turning edge; This fan is confined one first reference level of justice; This first reference level is through this first turning edge and this second turning edge, one second reference level of this impeller definition, this second reference level through this impeller central point and be parallel to this first reference level; The containing space of this fan frame is divided into a wind outlet area and a pressure accumulation district; Between this second reference level and this first reference level is this wind outlet area, and this second reference level opposite side of this wind outlet area relatively is this pressure accumulation district, and this dust discharge passage is positioned at this pressure accumulation district.
5. radiation fan according to claim 4 is characterized in that, the bearing of trend of the dust discharge passage of this fan frame and this second reference level are inclination, perpendicular or parallel.
6. according to claim 1,2,3,4 or 5 described radiation fans, it is characterized in that second training wall is provided with a turning point of adjoining this dust discharge passage, has minimum second distance between the central point of this turning point and this impeller.
7. according to claim 1,2,3,4 or 5 described radiation fans, it is characterized in that the external dust guiding tube of dust discharge passage of this fan frame.
8. according to claim 1,2,3,4 or 5 described radiation fans, it is characterized in that the exhaust outlet of this fan frame is provided with several fins.
9. according to claim the 1,2,3,4 or 5 described radiation fans, it is characterized in that the side wall portion of this fan frame combines a cover plate in addition, this cover plate has a perforation, this this wind inlet of perforation contraposition.
10. according to claim the 1,2,3,4 or 5 described radiation fans, it is characterized in that the base of this fan frame forms several auxiliary wind inlets.
11. the fan frame of a radiation fan; Comprise a base and a side wall portion; This side wall portion combines this base, and in containing space of the inboard formation of this side wall portion, this containing space is provided with an axle bed that supplies an impeller to articulate; This fan frame is provided with a wind inlet, an exhaust outlet and dust discharge passage that is communicated with this containing space in addition, it is characterized in that:
This exhaust outlet and this dust discharge passage are jointly the inboard perisporium of this side wall portion to be divided into one first training wall and one second training wall; This first training wall has a guide portion of adjoining this dust discharge passage; Has one first distance between the central point of this guide portion and this axle bed; Have at least one second distance between the central point of this second training wall to this axle bed, this first distance is smaller or equal to this second distance.
12. the fan frame of radiation fan according to claim 11; It is characterized in that; The exhaust outlet of this fan frame has relative one first turning edge and one second turning edge, and this fan is confined one first reference level of justice, and this first reference level is through this first turning edge and this second turning edge; One second reference level of this impeller definition; This second reference level and this wheel hub are tangent and be parallel to this first reference level near the maximum rotating range of this exhaust outlet, and the containing space of this fan frame is divided into a wind outlet area and a pressure accumulation district, is this wind outlet area between this second reference level and this first reference level; This second reference level opposite side of this wind outlet area relatively is this pressure accumulation district, and this dust discharge passage is positioned at this pressure accumulation district.
13. the fan frame of radiation fan according to claim 12 is characterized in that, the bearing of trend of the dust discharge passage of this fan frame and this second reference level are inclination, perpendicular or parallel.
14. the fan frame of radiation fan according to claim 11; It is characterized in that; The exhaust outlet of this fan frame has relative one first turning edge and one second turning edge, and this fan is confined one first reference level of justice, and this first reference level is through this first turning edge and this second turning edge; One second reference level of this axle bed definition; This second reference level through this axle bed central point and be parallel to this first reference level, the containing space of this fan frame is divided into a wind outlet area and a pressure accumulation district, is this wind outlet area between this second reference level and this first reference level; This second reference level opposite side of this wind outlet area relatively is this pressure accumulation district, and this dust discharge passage is positioned at this pressure accumulation district.
15. the fan frame of radiation fan according to claim 14 is characterized in that, the bearing of trend of the dust discharge passage of this fan frame and this second reference level are inclination, perpendicular or parallel.
16. the fan frame according to claim 11,12,13,14 or 15 described radiation fans is characterized in that second training wall is provided with a turning point of adjoining this dust discharge passage, has minimum second distance between the central point of this turning point and this axle bed.
17. the fan frame according to claim 11,12,13,14 or 15 described radiation fans is characterized in that, the external dust guiding tube of dust discharge passage of this fan frame.
18. the fan frame according to claim 11,12,13,14 or 15 described radiation fans is characterized in that the exhaust outlet of this fan frame is provided with several fins.
19. the fan frame according to claim 11,12,13,14 or 15 described radiation fans is characterized in that the side wall portion of this fan frame combines a cover plate in addition, this cover plate has a perforation, this this wind inlet of perforation contraposition.
20. the fan frame according to claim 11,12,13,14 or 15 described radiation fans is characterized in that, the base of this fan frame forms several auxiliary wind inlets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200388254U CN202117992U (en) | 2011-02-15 | 2011-02-15 | Radiator fan and fan frame thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200388254U CN202117992U (en) | 2011-02-15 | 2011-02-15 | Radiator fan and fan frame thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202117992U true CN202117992U (en) | 2012-01-18 |
Family
ID=45459061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200388254U Expired - Fee Related CN202117992U (en) | 2011-02-15 | 2011-02-15 | Radiator fan and fan frame thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202117992U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102635574A (en) * | 2011-02-15 | 2012-08-15 | 建准电机工业股份有限公司 | Radiator fan and fan frame thereof |
| US9341195B2 (en) | 2013-07-09 | 2016-05-17 | Asustek Computer Inc. | Centrifugal fan module and electronic device using the centrifugal fan module |
-
2011
- 2011-02-15 CN CN2011200388254U patent/CN202117992U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102635574A (en) * | 2011-02-15 | 2012-08-15 | 建准电机工业股份有限公司 | Radiator fan and fan frame thereof |
| US9341195B2 (en) | 2013-07-09 | 2016-05-17 | Asustek Computer Inc. | Centrifugal fan module and electronic device using the centrifugal fan module |
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Assignee: Kunshan Guangxing Electronics Co., Ltd. Assignor: Jianzhun Electric Motor Industry Co., Ltd. Contract record no.: 2013990000343 Denomination of utility model: Centrifugal radiator fan and fan frame thereof Granted publication date: 20120118 License type: Common License Record date: 20130625 |
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