CN2680909Y - Shell base of heat radiation fan - Google Patents

Shell base of heat radiation fan Download PDF

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Publication number
CN2680909Y
CN2680909Y CN 200420001294 CN200420001294U CN2680909Y CN 2680909 Y CN2680909 Y CN 2680909Y CN 200420001294 CN200420001294 CN 200420001294 CN 200420001294 U CN200420001294 U CN 200420001294U CN 2680909 Y CN2680909 Y CN 2680909Y
Authority
CN
China
Prior art keywords
flow guiding
framework
radiation fan
shell block
guiding unit
Prior art date
Application number
CN 200420001294
Other languages
Chinese (zh)
Inventor
陈建荣
段健忠
孙新诚
Original Assignee
元山科技工业股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 元山科技工业股份有限公司 filed Critical 元山科技工业股份有限公司
Priority to CN 200420001294 priority Critical patent/CN2680909Y/en
Application granted granted Critical
Publication of CN2680909Y publication Critical patent/CN2680909Y/en

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Abstract

The utility model relates to the case base of a radiation fan, comprising a basic frame, a frame arranged on the periphery of the basic frame, and at least one flow guiding unit. The frame is provided with an air inlet surface and an air outlet surface which is opposite to the air inlet surface. The flow guiding unit comprises two flow guiding plates which are correspondingly arranged on the periphery of the air inlet surface of the frame, and the two flow guiding plates are respectively inclined towards the outer side of the frame and form an obtuse angle with the air inlet surface. As the two flow guiding plates of the flow guiding unit are arranged on the periphery of the air inlet surface of the frame, the two flow guiding plates and the frame form a linear connection state, and more stable combined effect and stronger supporting intensity can be achieved.

Description

The shell block of radiation fan
[technical field]
The utility model relates to a kind of shell block, particularly relates to a kind of shell block of radiation fan.
[background technique]
Consult Fig. 1, the shell block 1 of general heat-dissipating fan mainly is to be located at annular enclosure wall 13, on this substrate 11 by a substrate 11, to be located at seat board 14 in this enclosure wall 13, and several are connected in the pole 15 of 13 on seat board 14 and enclosure wall.This seat board 14 is to use for an impeller 2 to be pivoted, and the gap between each pole 15 and seat board 14 and enclosure wall 13 inwalls forms air-flow path.Moreover the internal ring wall face 18 and the seat board 14 of this enclosure wall 13 is the inclined wall of non-90 ° of angles.
The shell block 1 of this heat-dissipating fan is in using, and by the spacing that 18 formation of enclosure wall 13 internal ring wall faces of this impeller 2 and shell block 1 do not wait, cuts noise and can reduce the wind of impeller 2 when rotating.Simultaneously,, make can make the air quantity that is imported by this shell block 1 these internal ring wall face 18 formed plane of inclination obtain broad importing effect, and then can produce bigger air output by big gradually little design by this internal ring wall face 18.
Yet the shell block 1 of this heat-dissipating fan has the limited disappearance of structural strength deficiency and user mode in design.As shown in Figure 1, a pole 15 by several interconnects between this seat board 14 and the enclosure wall 13.When the impeller 2 of this heat-dissipating fan turned round, the airflow that is caused must blow this enclosure wall 13, and these enclosure wall 13 related these substrates 11 are shaken with each pole 15, and of a specified duration time one when use, this pole 15 just can be chapped, even fractures.Continue as described above, only connect this seat board 14 and enclosure wall 13 with pole 15, its structure is comparatively fragile and can't bear long-term the use, and because of the not enough volume that can't increase this enclosure wall 13 of adhesive strength, and this shell block 1 in order to the enclosure wall 13 of air-guiding be provided with volume limited under, and can't enlarge its wind-guiding amount again, so be difficult to reach better heat radiating effect.Therefore, the shell block 1 of general heat-dissipating fan still has above-mentioned disappearance and demands urgently improving in design.
[model utility content]
Therefore, the purpose of this utility model provides and a kind ofly can reach more firm in conjunction with effect, and the shell block of the radiation fan of bigger support strength.
The utility model provides a kind of shell block of radiation fan, install for an impeller, the shell block of this radiation fan comprises a pedestal, and a framework, this pedestal has a frame plate, and several are arranged at the dunnage of this frame plate periphery, this framework is to be located on this pedestal periphery and to be connected with mutually with each dunnage, this framework has an air intake surface, and an outlet air surface that is in reverse to this air intake surface, it is characterized in that:
The shell block of this radiation fan more includes at least one flow guiding unit, and this flow guiding unit comprises two guide plates, and this two guide plate is that correspondence is located on the air intake surface periphery of this framework, and this two guide plate is obliquely installed towards the framework outside all respectively and becomes an obtuse angle with air intake surface.
The shell block of described radiation fan is characterized in that:
The relative angle of two guide plates of this flow guiding unit and the air intake surface of this framework is 100 °~175 °.
The shell block of described radiation fan is characterized in that:
The shell block of this radiation fan is to include two flow guiding units, and each guide plate of this two flow guiding unit is to be staggered to be provided with and to be in contact with one another.
The shell block of described radiation fan is characterized in that:
This framework has more the blocking bar that two correspondences are located at the air intake surface periphery, and two guide plates of this flow guiding unit have more the engagement groove that corresponding engaging with aforementioned blocking bar is provided with.
The shell block of described radiation fan is characterized in that:
The shell block of this radiation fan is to include two flow guiding units, each guide plate of this two flow guiding unit is to be staggered to be provided with and to be in contact with one another, and this framework has more four blocking bars that are located on the air intake surface periphery, and two guide plates of aforementioned two flow guiding units all have the engagement groove that corresponding engaging with each blocking bar is provided with.
The shell block of described radiation fan is characterized in that:
This flow guiding unit has more several and is divided into reinforcing chip on two guide plates, and each reinforcing chip is to be extended towards framework side face direction by corresponding guide plate outer side surface to be provided with and to contact with this framework.
The utility model is by being located at two guide plates of the flow guiding unit of air-guiding on the air intake surface periphery of framework, makes the coupled condition that forms wire between two guide plates and the framework, and can reach more firm in conjunction with effect, and bigger support strength.Therefore, under long-term the use, do not cause the dunnage generation be full of cracks of this pedestal or the phenomenon that fractures.
[description of drawings]
Be elaborated below by preferred embodiment and accompanying drawing shell block to the utility model radiation fan, in the accompanying drawing:
Fig. 1 is the stereogram of the shell block of general heat-dissipating fan.
Fig. 2 is the stereogram of shell block first preferred embodiment of the utility model radiation fan.
Fig. 3 is the side view cutaway drawing of this first preferred embodiment.
Fig. 4 is the stereogram of shell block second preferred embodiment of the utility model radiation fan.
Fig. 5 is the stereogram of shell block the 3rd preferred embodiment of the utility model radiation fan.
Fig. 6 is the stereogram of shell block the 4th preferred embodiment of the utility model radiation fan.
Fig. 7 is the side view of the 4th preferred embodiment.
[embodiment]
Before the utility model is described in detail, be noted that in the following description similar elements is to represent with identical numbering.
Consult Fig. 2,3, first embodiment of the shell block 3 of the utility model radiation fan comprises: a pedestal 31, a framework 32, and a flow guiding unit 33.
This pedestal 31 has uses the frame plate 311 that installs for this impeller 4, and several are by the outward extending dunnage 312 of these frame plate 311 peripheries.
This framework 32 is to be located on these pedestal 31 peripheries and to be connected with each dunnage 312, and this framework 32 has an air intake surface 321, and an outlet air surface 322 that is in reverse to this air intake surface 321.
And this flow guiding unit 33 is made up of two guide plates 331.This two guide plate 331 is that correspondence is located on air intake surface 321 peripheries of this framework 32, and this two guide plate 331 tilt towards framework 32 outsides all respectively and and the obtuse angle of this air intake surface 321 between forming one 100 °~175 °.In the present embodiment, two guide plates 331 of this flow guiding unit 33 form 150 ° of angles with the air intake surface 321 of this framework 32 all respectively.
The continuous Fig. 3 that consults, when the impeller 4 on being located at this pedestal 31 turns round, two guide plates 331 by this flow guiding unit 33 all are 150 ° of inclinations by these framework 32 directions towards the outside, make to be led in the framework 32, blow out towards outlet air surface 322 directions again by the air-flow that is sucked around the air intake surface 321.Therefore, shown in arrow among the figure, when air-flow by directly to introducing again by big face when the mode of facet flows, just can relax, compress the high wind that this air-flow caused and blow in this framework 32 and flow guiding unit 33, and then can reduce the wind that is produced when fan 4 turns round and cut noise.Simultaneously, constitute one jointly by big gradually little ventilation runner by this framework 32 and flow guiding unit 33, the feasible air-flow that is imported by the air intake surface 321 of this framework 32 can blow in diminishing scope, and can improve whole air output, and then reaches better heat radiating effect.
Particularly, the shell block 3 of present embodiment radiation fan in design, be that two guide plates 331 of the flow guiding unit 33 of air-guiding directly are located on air intake surface 321 peripheries of this framework 32, but not be connected with dunnage 312, make the coupled condition that forms wire between two guide plates 331 of this flow guiding unit 33 and this framework 32, reaching more firm in conjunction with effect, and bigger support strength.Therefore, when this impeller 4 turns round and makes air-flow when the inner side surface of this framework 32 and two guide plates 331 blows, two guide plates 331 of these pedestal 31 peripheries have higher combination force to bear blast, make the shell block 3 of this radiation fan under long-term the use, the phenomenon that does not cause the dunnage 312 of this pedestal 31 be full of cracks to take place or fracture.
Consult Fig. 4, second embodiment of the shell block 3 of the utility model radiation fan comprises: a pedestal 31, a framework 32, and two flow guiding units 33,33 '.The structure of this pedestal 31 and framework 32 is with that the position is set is all identical with first embodiment.And this two flow guiding unit 33,33 ' each guide plate 331,331 ' be staggered and be provided with and be in contact with one another, make constitute on the air intake surface 321 of this framework 32 guide plate 331,331 that several intensive rings establish '.And the shell block 3 of present embodiment radiation fan is in the use, can make the air-flow that is imported by air intake surface 321, be subjected to the guide plate 331,331 that these intensive rings establish ' guiding and outwards blow out towards outlet air surface 322 directions of this framework 32.
Therefore, the shell block 3 of this radiation fan in design, the wind in the time of more effectively reducing fan 4 running is cut noise, reaches the use effect that improves air output simultaneously.In addition, this two flow guiding unit 33,33 ' each guide plate 331,331 ' also be directly to be located on the air intake surface 321 of this framework 32, make each guide plate 331,331 ' and this framework 32 between form the coupled condition of wire, and can reach more firm equally, and bigger support strength in conjunction with effect.
Consult Fig. 5, the 3rd embodiment of the shell block 3 of the utility model radiation fan comprises equally: a pedestal 31, a framework 32, and a flow guiding unit 33.The places different with first embodiment are, this framework 32 has more the blocking bar 323 that two correspondences are located on air intake surface 321 peripheries, and two guide plates 331 of this flow guiding unit 33 have more one can be for the engagement grooves 330 of aforementioned blocking bar 323 corresponding engagings, make this framework 32 can be fastened with two guide plates 331 of flow guiding unit 33 and combine.And be sticked on air intake surface 321 peripheries of framework 32 when this two guide plate 331 after, this two guide plate 331 all can be respectively tilt towards framework 32 outsides and with this air intake surface 321 form 150 ° the obtuse angle (engagement groove 330 of this guide plate 331 is to be the urgent state that closes with the surface of contact of the blocking bar 323 of framework 32, and so that this guide plate 331 be positioned on this air intake surface 321 with 150 ° predetermined angle).
Consult Fig. 6,7, the 4th embodiment of the shell block 3 of the utility model radiation fan is roughly identical with the 3rd embodiment.Different places are, the shell block 3 of this radiation fan be include two flow guiding units 33,33 ', this two flow guiding unit 33,33 ' all have several be divided into its two guide plate 331,331 ' on reinforcing chip 333,333 ', and each reinforcing chip 333,333 ' all is to be extended towards framework 32 side face directions by corresponding guide plate 331,331 ' outer side surface, and can contact with this framework 32.When assembling, be make this two flow guiding unit 33,33 ' each guide plate 331,331 ' be staggered and be provided with and be in contact with one another, and this framework 32 has more the blocking bar 323 that the air intake surface periphery is located at the Fourth Ring, and this two flow guiding unit 33,33 ' two guide plates 331,331 ' all have one can for engagement grooves 330,330 of each blocking bar 323 corresponding engagings ', make this framework 32 and this two flow guiding unit 33,33 ' each guide plate 331,331 ' can be fastened and combine, and then constitute the guide plate 331,331 that intensive ring establishes '.In addition, by this two flow guiding unit 33,33 ' each reinforcing chip 333,333 ' all contact on framework 32 side faces, make being positioned on this framework 32 that each guide plate 331,331 ' more can be firm, and have bigger support strength.
Described before continuous, the shell block 3 of present embodiment radiation fan in the use, visual Environmental Conditions is assembled the guide plate 331 of this flow guiding unit 33 flexibly, adjusts the relative angle of this guide plate 331 and air intake surface 321 simultaneously.If it is less that group is established the space, then can assemble by the less guide plate 331 of specification, or suitably adjust the relative angle of this guide plate 331 and air intake surface 321; If it is bigger that group is established the space, when can assembling by the bigger guide plate 331 of specification, and be assembled on the framework 32 with the bigger guide plate 331 of specification, the wind in the time of reducing fan 4 runnings is more cut noise, can significantly improve air output simultaneously.Therefore, the shell block 3 of present embodiment radiation fan more can connect the guide plate 331 of establishing different size, and reaches the flexible assembling function of the angle of adjusting guide plate 331.
Conclude above-mentioned, the shell block 3 of the utility model radiation fan in design, by two guide plates 331 of the flow guiding unit 33 of air-guiding are located on air intake surface 321 peripheries of this framework 32, make the coupled condition that forms wire between two guide plates 331 of this flow guiding unit 33 and this framework 32, and can reach more firm, and bigger support strength in conjunction with effect.Therefore, the shell block 3 of this radiation fan does not cause the dunnage 312 generation be full of cracks of this pedestal 31 or the phenomenon that fractures, and can reach the purpose of this utility model really under long-term the use.

Claims (6)

1. the shell block of a radiation fan, install for an impeller, the shell block of this radiation fan comprises a pedestal, and a framework, this pedestal has a frame plate, and several are arranged at the dunnage of this frame plate periphery, this framework is to be located on this pedestal periphery and to be connected with mutually with each dunnage, this framework has an air intake surface, and an outlet air surface that is in reverse to this air intake surface, it is characterized in that:
The shell block of this radiation fan more includes at least one flow guiding unit, and this flow guiding unit comprises two guide plates, and this two guide plate is that correspondence is located on the air intake surface periphery of this framework, and this two guide plate is obliquely installed towards the framework outside all respectively and becomes an obtuse angle with air intake surface.
2. the shell block of radiation fan according to claim 1 is characterized in that:
The relative angle of two guide plates of this flow guiding unit and the air intake surface of this framework is 100 °~175 °.
3. the shell block of radiation fan as claimed in claim 1 or 2 is characterized in that:
The shell block of this radiation fan is to include two flow guiding units, and each guide plate of this two flow guiding unit is to be staggered to be provided with and to be in contact with one another.
4. the shell block of radiation fan as claimed in claim 1 or 2 is characterized in that:
This framework has more the blocking bar that two correspondences are located at the air intake surface periphery, and two guide plates of this flow guiding unit have more the engagement groove that corresponding engaging with aforementioned blocking bar is provided with.
5. the shell block of radiation fan as claimed in claim 1 or 2 is characterized in that:
The shell block of this radiation fan is to include two flow guiding units, each guide plate of this two flow guiding unit is to be staggered to be provided with and to be in contact with one another, and this framework has more four blocking bars that are located on the air intake surface periphery, and two guide plates of aforementioned two flow guiding units all have the engagement groove that corresponding engaging with each blocking bar is provided with.
6. the shell block of radiation fan as claimed in claim 1 or 2 is characterized in that:
This flow guiding unit has more several and is divided into reinforcing chip on two guide plates, and each reinforcing chip is to be extended towards framework side face direction by corresponding guide plate outer side surface to be provided with and to contact with this framework.
CN 200420001294 2004-02-11 2004-02-11 Shell base of heat radiation fan CN2680909Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200420001294 CN2680909Y (en) 2004-02-11 2004-02-11 Shell base of heat radiation fan

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200420001294 CN2680909Y (en) 2004-02-11 2004-02-11 Shell base of heat radiation fan

Publications (1)

Publication Number Publication Date
CN2680909Y true CN2680909Y (en) 2005-02-23

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200420001294 CN2680909Y (en) 2004-02-11 2004-02-11 Shell base of heat radiation fan

Country Status (1)

Country Link
CN (1) CN2680909Y (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101994707B (en) * 2009-08-24 2012-07-18 神基科技股份有限公司 Airflow generation device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101994707B (en) * 2009-08-24 2012-07-18 神基科技股份有限公司 Airflow generation device

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20050223

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